Multi-axis milling equipment for workpiece machiningTechnical Field
The invention relates to the field of metal cutting machining, in particular to multi-axis milling equipment for workpiece machining.
Background
Along with the development of industrialization process, milling process equipment's use is more and more extensive, and general milling process equipment is mostly diaxon or unipolar, can't realize the quick convenient processing of high flexibility, proposes a milling process device in order to solve this problem application number CN202010043807.9, and the device dress card is inconvenient with disassembling the part, can't realize treating the automatic locking of processing part.
Disclosure of Invention
The invention provides a multi-axis milling device for workpiece processing, which aims at the technical problem and comprises a device base plate, wherein the upper mounting surface of the device base plate is mounted with the lower mounting surface of a workpiece conveying device base plate in a workpiece conveying device, the front side edge of the workpiece conveying device base plate in the workpiece conveying device is aligned with the front side edge of the device base plate, the upper mounting surface of the device base plate is mounted with the lower mounting surface of a gantry frame body frame in a gantry frame body device, the rear side edge of the device base plate is aligned with the rear side edge of the gantry frame body frame in the gantry frame body device, the front side mounting surface of a left-right moving slide block in the gantry frame body device is mounted with the rear side mounting surface of a milling device mounting plate in the milling device, the milling device mounting plate is arranged in the middle relative to four left-right moving slide blocks, the upper mounting surface of a front sliding plate and a rear sliding plate in the workpiece conveying device is arranged in The front side edges of the front and rear sliding plates are aligned with the front side edges of the workpiece positioning clamp bottom plate, the upper mounting surface of the equipment bottom plate is mounted with the lower mounting surface of the servo driving device bottom plate in the servo driving device, and the servo driving device is positioned on the right side of the workpiece conveying device.
The servo driving device comprises a servo driving device bottom plate, a motor mounting bracket, a screw bearing mounting bracket, a motor mounting seat, a front driving motor, a rear screw nut, a front screw nut mounting block, a rear screw nut mounting block, a front sliding table connecting pin, a rear screw, a front motor coupler, a rear motor coupler, a front side supporting bearing and a rear side supporting bearing, wherein the upper mounting surface of the servo driving device bottom plate is mounted with the lower mounting surface of the motor mounting bracket together, the front side edge of the motor mounting bracket is aligned with the front side edge of the servo driving device bottom plate, the upper mounting surface of the servo driving device bottom plate is mounted with the lower mounting surface of the screw bearing mounting bracket together, the rear side edge of the screw bearing mounting bracket is aligned with the rear side edge of the servo driving device bottom plate, the front side mounting surface of the motor mounting bracket is mounted with the rear side mounting surface of, the front side mounting surface of the motor mounting seat and the rear side mounting surface of the front and rear driving motors are mounted together, the inner hole of the motor mounting bracket is matched with the excircle of the front side supporting bearing, the inner hole of the lead screw bearing mounting bracket is matched with the excircle of the rear side supporting bearing, the inner holes of the front side support bearing and the rear side support bearing are matched with the excircles at the two ends of the front screw rod and the rear screw rod at the same time, the front shaft excircle of the front and the rear screw rods is coaxially connected with the output shaft excircle of the front and the rear driving motors through the front and the rear motor couplings, the outer side threads of the front and the rear screw rods are matched with the inner side threads of the front and the rear screw rod nuts, the outer circles of the front and the rear screw rod nuts are matched with the inner holes of the front and the rear screw rod nut mounting blocks, the upper mounting surfaces of the front and rear screw nut mounting blocks and the lower mounting surface of the front and rear sliding table connecting block are mounted together, the long holes of the front sliding table connecting block and the rear sliding table connecting block are matched with the excircle of the cylindrical pin of the front sliding table connecting pin and the excircle of the rear sliding table connecting pin.
The workpiece conveying device comprises a workpiece conveying device bottom plate, a slide rod front side supporting plate, a slide rod rear side supporting plate, a front sliding block, a rear sliding plate, a front guide rod and a rear guide rod, wherein a lower mounting surface of the workpiece conveying device bottom plate is fixedly mounted on an upper mounting surface of an equipment bottom plate, an upper mounting surface of the workpiece conveying device bottom plate is mounted with a lower mounting surface of the slide rod front side supporting plate, a front side edge of the workpiece conveying device bottom plate is aligned with a front side edge of the slide rod front side supporting plate, an upper mounting surface of the workpiece conveying device bottom plate is mounted with a lower mounting surface of the slide rod rear side supporting plate, a front side edge of the workpiece conveying device bottom plate is aligned with a front side edge of the slide rod rear side supporting plate, round holes of the slide rod front side supporting plate and the slide rod rear side supporting plate are matched with outer cylindrical surfaces of the, the outer circles of the front and rear guide rods are matched with inner holes of the front and rear sliding blocks, upper mounting surfaces of the front and rear sliding blocks are mounted with lower mounting surfaces of the front and rear sliding plates, and the front and rear sliding plates are arranged in the middle relative to the four front and rear sliding blocks.
The gantry frame device comprises a gantry frame, a welding installation support, a left guide rod, a right guide rod, a left moving bottom plate, a left guide rod support plate, a left motor installation seat, a right guide rod support plate, a left motor, a right motor, a left slider, a right bearing, a left bearing, a right coupler, a left screw nut, a right screw nut, a left screw, a right screw, a cross beam lower installation surface of the gantry frame is installed with an upper installation surface of the welding installation support, a front side installation surface of the welding installation support is installed with a rear side installation surface of the left moving bottom plate, the lower edge of the front side installation surface of the welding installation support is aligned with the lower edge of the left moving bottom plate, the left installation surface of the left moving bottom plate is installed with, the right side mounting surface of the left and right moving bottom plate is mounted with the left side mounting surface of the guide rod right side support plate, the upper side edge of the left and right moving bottom plate is aligned with the upper side edge of the guide rod right side support plate, the round holes of the guide rod left side support plate and the guide rod right side support plate are matched with the excircles of the left and right guide rods, the two left and right guide rods are distributed on the upper and lower sides of the guide rod right side support plate, the excircles of the left and right guide rods are matched with the inner hole of the left and right moving slide block, the left side mounting surface of the guide rod left side support plate is mounted with the right side mounting surface of the left and right motor mounting seat, the left side mounting surface of the left and right motor mounting seat is mounted with the, the hole of right side support bearing and left side support bearing cooperatees with the both ends excircle of left and right sides silk simultaneously, the left end excircle of left and right sides silk carries out coaxial coupling through controlling the shaft coupling with the output shaft excircle that removes the motor about, the outside screw thread of left and right sides silk cooperatees with controlling screw-nut, control screw-nut's excircle and control the hole of slide connecting block and cooperate.
The workpiece positioning clamp comprises a workpiece positioning clamp bottom plate, an auxiliary supporting block, a clamping guide rail, a clamping slide block, a clamping sliding plate, a workpiece placing plate, a clamping device fixing block, a front side rotating bracket, a rotating central shaft, a rotating guide shaft, a rear side rotating bracket, a clamping rod, a clamping cylinder joint, a clamping block and a clamping cylinder mounting plate, wherein the upper mounting surface of the workpiece positioning clamp bottom plate is mounted with the lower mounting surface of the clamping guide rail, the outer side of the clamping guide rail is matched with the inner side of the clamping slide block, the upper mounting surface of the clamping slide block is mounted with the lower mounting surface of the clamping sliding plate, the upper mounting surface of the clamping sliding plate is mounted with the lower mounting surface of the clamping block, the upper mounting surface of the workpiece positioning clamp bottom plate is mounted with the lower mounting surface of the auxiliary supporting block, and the upper mounting surface of the, the upper side mounting surface of the workpiece positioning clamp bottom plate is mounted together with the lower side mounting surface of the pressing device fixing block, the left side edge of the pressing device fixing block is aligned with the left side edge of the workpiece positioning clamp bottom plate, the lower side round hole of the pressing device fixing block is matched with the excircle of the rotating center shaft, the two rotating center shafts are positioned at the front side and the rear side of the pressing device fixing block, the upper side round hole of the pressing device fixing block is matched with the excircle of the rotating guide shaft, the two rotating guide shafts are positioned at the front side and the rear side of the pressing device fixing block, the excircle of the rotating center shaft at the front side is matched with the round hole of the front side rotating support, the excircle of the rotating center shaft at the rear side is matched with the round hole of the rear side rotating support, a pressing rod is mounted and fixed between the front side rotating support and the rear side rotating support, and a, the workpiece positioning fixture is characterized in that the upper side mounting surface of the workpiece positioning fixture bottom plate is mounted with the lower side mounting surface of the clamping cylinder mounting plate, the right side edge of the clamping cylinder mounting plate is aligned with the right side edge of the workpiece positioning fixture bottom plate, the right side mounting surface of the clamping cylinder mounting plate is mounted with the left side mounting surface of the clamping cylinder, the end part of an output shaft of the clamping cylinder is connected with a clamping cylinder joint, and the left side mounting surface of the clamping cylinder joint is mounted with the right side mounting surface of the clamping sliding plate.
The milling device comprises a milling device mounting plate, an upper side mounting bracket, a lower side mounting bracket, an up-down moving slide block, an up-down guide shaft, an up-down driving motor, an up-down sliding plate, a main shaft mounting seat, an up-down coupling, an up-down moving lead screw, an up-down moving seat, a lower bearing, a main shaft motor frequency converter, a connecting rod, a milling cutter head and a cutting edge, wherein a rear side mounting surface of the milling device mounting plate is mounted with a front side mounting surface of the up-down moving slide block, a front side mounting surface of the milling device mounting plate is mounted with a rear side mounting surface of the upper side mounting bracket, an upper side edge of the milling device mounting plate is aligned with an upper side edge of the upper side mounting bracket, a front side mounting surface of the milling device mounting plate is mounted with a rear side mounting surface of the lower side mounting bracket, the circular holes of the lower side mounting bracket and the upper side mounting bracket are matched with the excircles of the upper guide shaft and the lower guide shaft, the two upper guide shafts and the lower guide shafts are distributed at the left side and the right side of the lower side mounting bracket, the upper mounting surface of the upper side mounting bracket is mounted with the lower mounting surface of the upper driving motor and the lower driving motor together, the excircles of the upper guide shaft and the lower guide shaft are matched with the inner hole of the up-down moving slide block, the front mounting surface of the up-down moving slide block is mounted with the rear mounting surface of the up-down sliding plate together, the lower mounting surface of the lower side mounting bracket is mounted with the upper mounting surface of the lower bearing together, the inner hole of the lower bearing is matched with the lower end excircles of the up-down moving lead, the front side installation face of upper and lower removal seat is in the same place with the rear side installation face installation of slide from top to bottom, the front side installation face of slide from top to bottom is in the same place with the rear side installation face installation of main shaft mount pad, the hole of main shaft mount pad cooperatees with spindle motor's excircle, spindle motor's upside installation face is in the same place with the downside installation face installation of main shaft motor converter, spindle motor's downside installation face is in the same place with the upside installation face installation of connecting rod, the downside installation face of connecting rod and milling cutter blade disc are in the same place, and connecting rod and milling cutter disc keep coaxial, the downside installation face and the installation face installation of cutting edge upside of milling cutter disc are in the same place, and six cutting edges evenly.
Further, the front and rear slides remain relatively parallel to the workpiece transport device base during movement.
Furthermore, the gantry frame body is formed by welding, and the height of a welding line is more than eight millimeters.
Furthermore, a right support plate of the guide rod is in transition fit with the right support bearing, and the right support plate of the guide rod is made of heat-treated bearing steel.
Furthermore, the pressing rod freely rotates around the rotating central shaft, and the limit rotating position of the pressing rod is limited through the rotating guide shaft.
Further, the material of the clamping block is bearing steel, the surface of the clamping block is treated by chemical nickel plating, and the heat treatment is HRC60 degrees.
Compared with the prior art, the invention has the beneficial effects that:
(1) the automatic clamping device can automatically clamp the metal to be processed, and is suitable for workpieces with different sizes;
(2) the space for clamping and disassembling parts is large, and large-size parts can be processed;
(3) the multi-axis linkage high-flexibility numerical control machining device has high multi-axis linkage flexibility, and ensures machining precision and consistency through numerical control programming.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a servo driving apparatus according to the present invention;
FIG. 3 is a cross-sectional view of a servo drive of the present invention;
FIG. 4 is a schematic view of a workpiece transport apparatus of the present invention;
FIG. 5 is a schematic view of a gantry frame assembly of the present invention;
FIG. 6 is an enlarged view taken at A of FIG. 5 in accordance with the present invention;
FIG. 7 is a cross-sectional view of a gantry frame assembly of the present invention;
FIG. 8 is a schematic view of a workpiece positioning fixture according to the present invention;
FIG. 9 is a cross-sectional view of a workpiece positioning fixture of the present invention;
FIG. 10 is a schematic view of a milling device according to the present invention;
fig. 11 is a sectional view of the milling device of the present invention.
Reference numerals: 1-equipment backplane; 2-servo drive means; 3-a workpiece transport device; 4-gantry frame device; 5, positioning a clamp for the workpiece; 6-milling a machining device; 201-servo drive device bottom plate; 202-motor mounting bracket; 203-lead screw bearing mounting bracket; 204-motor mount; 205-front and back drive motor; 206-front and rear screw nuts; 207-front and rear screw nut mounting blocks; 208-front and back sliding table connecting blocks; 209-front and rear slipway connecting pins; 210-front and rear screw rods; 211-front and rear motor couplings; 212-front side support bearing; 213-rear side support bearing; 301-workpiece transporter base plate; 302-a slide bar front side supporting plate; 303-supporting plates at the back side of the sliding rod; 304-front and rear sliders; 305-front and rear slide plate; 306-front and rear guide rods; 401-gantry frame; 402-welding a mounting bracket; 403-left and right guide rods; 404-moving the bottom plate left and right; 405-guide bar left support plate; 406-left and right motor mounts; 407-guide bar right support plate; 408-left and right movement motor; 409-left and right slide block; 410-left and right sliding plate connecting blocks; 411-right side support bearing; 412-left support bearing; 413-left and right couplings; 414-left and right feed screw nuts; 415-left and right screw rods; 501-a workpiece positioning clamp bottom plate; 502-an auxiliary support block; 503-clamping the guide rail; 504-clamping the slide; 505-clamping the slide plate; 506-a workpiece placing plate; 507, a pressing device fixing block; 508-front side swivel mount; 509-center axis of rotation; 510-a rotating guide shaft; 511-rear side swivel mount; 512-a hold down bar; 513-clamping cylinder; 514-clamping cylinder joint; 515-a clamping block; 516-a clamping cylinder mounting plate; 601-mounting a milling device; 602-upper side mounting bracket; 603-lower side mounting bracket; 604-moving the slider up and down; 605-upper and lower guide shafts; 606-up and down driving motor; 607-up-down slide plate; 608-spindle mount; 609-upper and lower couplings; 610-moving the lead screw up and down; 611-a vertical moving seat; 612-a lower bearing; 613-spindle motor; 614-spindle motor frequency converter; 615-connecting rod; 616-a milling cutter head; 617-knife edge.
Detailed Description
The present invention is described in detail below with reference to fig. 1-11.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11, a workpiece processing multi-axis milling device comprises a device base plate 1, wherein an upper mounting surface of the device base plate 1 is mounted with a lower mounting surface of a workpiece transportdevice base plate 301 in aworkpiece transport device 3, a front side edge of the workpiece transportdevice base plate 301 in theworkpiece transport device 3 is aligned with a front side edge of the device base plate 1, an upper mounting surface of the device base plate 1 is mounted with a lower mounting surface of agantry frame 401 in thegantry frame device 4, a rear side edge of the device base plate 1 is aligned with a rear side edge of thegantry frame 401 in thegantry frame device 4, a front side mounting surface of a left-right movingslide block 409 in thegantry frame device 4 is mounted with a rear side mounting surface of a millingdevice mounting plate 601 in themilling device 6, the millingdevice mounting plate 601 is arranged in the center relative to the four left-right movingsliders 409, the upper mounting surface of the front and rearsliding plates 305 in theworkpiece conveying device 3 is mounted with the lower mounting surface of the workpiece positioningclamp base plate 501 in theworkpiece positioning clamp 5, the front side edges of the front and rearsliding plates 305 are aligned with the front side edges of the workpiece positioningclamp base plate 501, the upper mounting surface of the equipment base plate 1 is mounted with the lower mounting surface of the servo drivedevice base plate 201 in the servo drive device 2, and the servo drive device 2 is located on the right side of theworkpiece conveying device 3. The equipment base plate 1 is a mounting and fixing base body of other devices of the device, the servo driving device 2 is used for driving the workpiece conveying device to move back and forth, the gantryframe body device 4 is used for mounting and fixing themilling device 6, theworkpiece positioning clamp 5 is used for positioning a workpiece to be machined, and themilling device 6 is used for machining and cutting metal.
The specific structure of the servo drive device 2 is shown in fig. 2, the servo drive device 2 comprises a servo drivedevice bottom plate 201, amotor mounting bracket 202, a screw bearingmounting bracket 203, amotor mounting seat 204, a front andback drive motor 205, a front andback screw nut 206, a front and back screwnut mounting block 207, a front and back slidingtable connecting block 208, a front and back slidingtable connecting pin 209, a front andback screw 210, a front andback motor coupler 211, a front side support bearing 212 and a back side support bearing 213, wherein the upper mounting surface of the servo drivedevice bottom plate 201 is mounted with the lower mounting surface of themotor mounting bracket 202, the front side edge of themotor mounting bracket 202 is aligned with the front side edge of the servo drivedevice bottom plate 201, the upper mounting surface of the servo drivedevice bottom plate 201 is mounted with the lower mounting surface of the screw bearingmounting bracket 203, the back side edge of the screw bearingmounting bracket 203 is aligned with the back side edge of, the front side mounting surface of themotor mounting bracket 202 is mounted with the rear side mounting surface of themotor mounting base 204, the front side mounting surface of themotor mounting base 204 is mounted with the rear side mounting surface of the front andrear driving motors 205, the inner hole of themotor mounting bracket 202 is matched with the outer circle of the front side support bearing 212, the inner hole of the screw bearingmounting bracket 203 is matched with the outer circle of the rear side support bearing 213, the inner holes of the front side support bearing 212 and the rear side support bearing 213 are simultaneously matched with the outer circles of the two ends of the front andrear screw rods 210, the front side outer circles of the front andrear screw rods 210 are coaxially connected with the outer circle of the output shaft of the front andrear driving motors 205 through the front andrear motor couplings 211, the outer side threads of the front andrear screw rods 210 are matched with the inner side threads of the front and rearscrew rod nuts 206, the outer circles of the front and rearscrew rod nuts 206 are matched with the inner, the long holes of the front and rear slidingtable connecting blocks 208 are matched with the cylindrical pin excircle of the front and rear slidingtable connecting pin 209. Under the rotation action of the front andrear driving motors 205, the front and rear screwnut mounting blocks 207 drive the front and rear slidingtable connecting blocks 208 to move linearly front and rear, and the front and rear slidingtable connecting pins 209 drive the front and rear slidingplates 305 to move the workpiece to be machined to the position to be machined. The long holes of the front sliding table connecting pin (209) and the rear sliding table connecting block (208) support are matched with the cylindrical pin, and the adjustment amount is arranged in the left-right direction, so that the clamping stagnation of the motor is avoided.
The specific structure of theworkpiece conveying device 3 is shown in fig. 4, theworkpiece conveying device 3 comprises a workpiece conveyingdevice bottom plate 301, a slide rod frontside supporting plate 302, a slide rod rearside supporting plate 303, a front andrear slide block 304, a front andrear slide plate 305 and front andrear guide rods 306, the lower mounting surface of the workpiece conveyingdevice bottom plate 301 is fixedly mounted on the upper mounting surface of the equipment bottom plate 1, the upper mounting surface of the workpiece conveyingdevice bottom plate 301 is mounted with the lower mounting surface of the slide rod frontside supporting plate 302, the front side edge of the workpiece conveyingdevice bottom plate 301 is aligned with the front side edge of the slide rod frontside supporting plate 302, the upper mounting surface of the workpiece conveyingdevice bottom plate 301 is mounted with the lower mounting surface of the slide rod rearside supporting plate 303, the front side edge of the workpiece conveyingdevice bottom plate 301 is aligned with the front side edge of the slide rod rearside supporting plate 303, the round holes of the slide rod front side, and the front andrear guide rods 306 are distributed on the left and right sides of thefront support plate 302 of the slide rod, the outer circles of the front andrear guide rods 306 are matched with the inner holes of the front and rear slidingblocks 304, the upper mounting surfaces of the front and rearsliding blocks 304 are mounted with the lower mounting surfaces of the front and rearsliding plates 305, and the front and rear slidingplates 305 are arranged in the center relative to the four front and rear slidingblocks 304. The front-rear slide 305 moves forward and backward by the guide of the front-rear guide 306 and the front-rear slider 304.
The specific structure of thegantry frame assembly 4 is shown in fig. 5, 6 and 7, thegantry frame assembly 4 comprises agantry frame 401, awelding installation bracket 402, aleft guide rod 403, aright guide rod 403, a left and rightmoving base plate 404, a guide rod leftside support plate 405, a left and rightmotor installation seat 406, a guide rod rightside support plate 407, a left and right movingmotor 408, a left and right movingslider 409, a left and right slidingplate connection block 410, a right side support bearing 411, a left side support bearing 412, a left andright coupling 413, a left andright screw nut 414, a left andright screw 415, a cross beam lower installation surface of thegantry frame 401 is installed with an upper installation surface of thewelding installation bracket 402, a front side installation surface of thewelding installation bracket 402 is installed with a rear side installation surface of the left and rightmoving base plate 404, a lower edge of a front side installation surface of thewelding installation bracket 402 is aligned with a, the upper side edge of the left and right movingbottom plate 404 is aligned with the upper side edge of the guide rod left supportingplate 405, the right side mounting surface of the left and right movingbottom plate 404 is mounted with the left side mounting surface of the guide rod right supportingplate 407, the upper side edge of the left and right movingbottom plate 404 is aligned with the upper side edge of the guide rod right supportingplate 407, the circular holes of the guide rod left supportingplate 405 and the guide rod right supportingplate 407 are matched with the outer circles of the left andright guide rods 403, the two left andright guide rods 403 are distributed on the upper and lower sides of the guide rod right supportingplate 407, the outer circles of the left andright guide rods 403 are matched with the inner hole of the left and right movingslider 409, the left side mounting surface of the guide rod left supportingplate 405 is mounted with the right side mounting surface of the left and rightmotor mounting base 406, the round hole of the guide rod leftside supporting plate 405 is matched with the excircle of the left side supporting bearing 412, the inner hole of the right side supporting bearing 411 and the left side supporting bearing 412 is simultaneously matched with the excircles at the two ends of the left andright wires 415, the excircles at the left end of the left andright wires 415 are coaxially connected with the excircle of the output shaft of the left and right movingmotor 408 through the left andright couplers 413, the outer threads of the left andright wires 415 are matched with the left andright screw nuts 414, and the excircles of the left andright screw nuts 414 are. The left andright screw nuts 414 move left and right under the rotation action of the left andright movement motor 408 and the guiding action of the left andright guide rods 403 and the left andright movement slider 409.
The specific structure of theworkpiece positioning jig 5 is shown in fig. 8 and 9, theworkpiece positioning jig 5 comprises a workpiece positioningjig base plate 501, an auxiliary supportingblock 502, aclamping guide rail 503, aclamping slider 504, aclamping slide plate 505, aworkpiece placing plate 506, a clampingdevice fixing block 507, a frontside rotating bracket 508, a rotatingcentral shaft 509, arotating guide shaft 510, a rearside rotating bracket 511, aclamping rod 512, aclamping cylinder 513, aclamping cylinder joint 514, aclamping block 515 and a clampingcylinder mounting plate 516, the upper mounting surface of the workpiece positioningjig base plate 501 is mounted with the lower mounting surface of theclamping guide rail 503, the outer side of theclamping guide rail 503 is matched with the inner side of theclamping slider 504, the upper mounting surface of theclamping slider 504 is mounted with the lower mounting surface of theclamping slide plate 505, the upper mounting surface of theclamping slide plate 505 is mounted with the lower mounting surface of theclamping block 515, the upper mounting surface of the workpiece positioningjig base plate 501 is, the upper mounting surface of the auxiliary supportingblock 502 is mounted with the lower mounting surface of theworkpiece placing plate 506, the upper mounting surface of the workpiece positioningfixture base plate 501 is mounted with the lower mounting surface of the pressingdevice fixing block 507, the left edge of the pressingdevice fixing block 507 is aligned with the left edge of the workpiece positioningfixture base plate 501, the lower circular hole of the pressingdevice fixing block 507 is matched with the outer circle of the rotatingcentral shaft 509, the two rotatingcentral shafts 509 are positioned at the front side and the rear side of the pressingdevice fixing block 507, the upper circular hole of the pressingdevice fixing block 507 is matched with the outer circle of therotating guide shaft 510, the two rotatingguide shafts 510 are positioned at the front side and the rear side of the pressingdevice fixing block 507, the outer circle of the front rotating central shaft is matched with thecircular hole 509 of the front rotatingbracket 508, the outer circle of the rear rotatingcentral shaft 509 is matched with the circular hole of the rear rotatingbracket 511, a pressing rod, and a bus on the excircle of thecompression rod 512 is aligned with the upper side edges of the frontside rotating bracket 508 and the rearside rotating bracket 511, the upper side mounting surface of the workpiece positioningclamp bottom plate 501 is mounted together with the lower side mounting surface of the clampingcylinder mounting plate 516, the right side edge of the clampingcylinder mounting plate 516 is aligned with the right side edge of the workpiece positioningclamp bottom plate 501, the right side mounting surface of the clampingcylinder mounting plate 516 is mounted together with the left side mounting surface of theclamping cylinder 513, the output shaft end part of theclamping cylinder 513 is connected with theclamping cylinder joint 514, and the left side mounting surface of theclamping cylinder joint 514 is mounted together with the right side mounting surface of the clamping sliding plate. Theclamping block 515 is clamped by the pushing of the clampingcylinder 513 and the guiding action of theclamping guide rail 503 and theclamping slide block 504, and thepressing rod 512 rotates around the rotatingcentral shaft 509 to press the workpiece.
As shown in FIGS. 10 and 11, themilling device 6 includes a millingdevice mounting plate 601, anupper mounting bracket 602, alower mounting bracket 603, an up-down slider 604, an up-down guide shaft 605, an up-down driving motor 606, an up-down slider 607, aspindle mounting base 608, an up-down coupling 609, an up-down lead screw 610, an up-downmoving base 611, alower bearing 612, aspindle motor 613, a spindlemotor frequency converter 614, a connectingrod 615, amilling cutter head 616, and ablade 617, wherein a rear mounting surface of the millingdevice mounting plate 601 and a front mounting surface of the left-right slider 409 are mounted together, a front mounting surface of the millingdevice mounting plate 601 and a rear mounting surface of theupper mounting bracket 602 are mounted together, an upper edge of the millingdevice mounting plate 601 and an upper edge of theupper mounting bracket 602 are aligned, and a front mounting surface of the millingdevice mounting plate 601 and a rear mounting surface of thelower mounting bracket 603 are mounted together Meanwhile, the lower side edge of themounting plate 601 of the milling device is aligned with the lower side edge of thelower mounting bracket 603, the round holes of thelower mounting bracket 603 and theupper mounting bracket 602 are matched with the outer circles of the upper andlower guide shafts 605, the two upper andlower guide shafts 605 are distributed at the left and right sides of thelower mounting bracket 603, the upper mounting surface of theupper mounting bracket 602 is mounted with the lower mounting surface of the upper andlower driving motor 606, the outer circle of the upper andlower guide shafts 605 is matched with the inner hole of the up-and-down movingslider 604, the front mounting surface of the up-and-down movingslider 604 is mounted with the rear mounting surface of the up-and-down slidingplate 607, the lower mounting surface of thelower mounting bracket 603 is mounted with the upper mounting surface of thelower bearing 612, the inner hole of thelower bearing 612 is matched with the lower outer circle of the up-and, the outer thread of the up-and-down movingscrew 610 is matched with the inner thread of the up-and-down movingseat 611, the front mounting surface of the up-and-down movingseat 611 is mounted with the rear mounting surface of the up-and-down slidingplate 607, the front mounting surface of the up-and-down slidingplate 607 is mounted with the rear mounting surface of thespindle mounting seat 608, the inner hole of thespindle mounting seat 608 is matched with the outer circle of thespindle motor 613, the upper mounting surface of thespindle motor 613 is mounted with the lower mounting surface of the spindlemotor frequency converter 614, the lower mounting surface of thespindle motor 613 is mounted with the upper mounting surface of the connectingrod 615, the lower mounting surface of the connectingrod 615, and the connectingrod 615 and themilling cutter head 616 keep coaxial, the lower side mounting surface of themilling cutter head 616 and the upper side mounting surface of thecutting edge 617 are mounted together, and the sixcutting edges 617 are uniformly distributed on the lower side mounting surface of themilling cutter head 616. Under the rotation of the up-downdriving motor 606 and the guiding action of the up-down movingslide block 604 and the up-down guidingshaft 605, the up-down slidingplate 607 moves up and down, the lowerside mounting bracket 603 drives theblade 617 to cut metal, and the frequency conversion and speed regulation are carried out by thefrequency converter 614 of the main shaft motor to change the cutting power.
The front andrear slide plates 305 remain relatively parallel to the workpiece transportdevice base plate 301 during movement. Thegantry frame body 401 is formed by welding, and the height of a welding line is more than eight millimeters. The guide rod rightside support plate 407 and the right side support bearing 411 are in transition fit, and the guide rod rightside support plate 407 is made of heat-treated bearing steel. Thepressing lever 512 is freely rotatable about therotation center shaft 509, and the limit rotational position of thepressing lever 512 is restricted by therotation guide shaft 510. The material of theclamping block 515 is bearing steel, the surface of the bearing steel is treated by chemical nickel plating, and the heat treatment is HRC60 degrees.
An operator places a workpiece to be machined on aworkpiece positioning clamp 5, aclamping block 515 is clamped under the pushing action of a clampingcylinder 513 and the guiding action of aclamping guide rail 503 and aclamping slide block 504, apressing rod 512 rotates around a rotatingcentral shaft 509 to press the workpiece tightly, under the rotating action of afront driving motor 205 and arear driving motor 205, a front lead screwnut mounting block 207 and a rear lead screwnut mounting block 207 drive a front slidingtable connecting block 208 and a rear slidingtable connecting block 208 to do linear motion front and rear, a front slidingtable connecting pin 209 drives a front slidingplate 305 and a rear slidingplate 305 to move the workpiece to be machined to a position to be machined, ablade 617 rotates under the driving action of aspindle motor 613 to perform metal cutting, the frequency conversion and speed regulation are performed through a spindlemotor frequency converter 614 to change the cutting power, theblade 617 moves up and down under the rotating action of an up and down drivingmotor 606, the next part is machined.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any modification, equivalent replacement, or improvement made within the scope of the present invention shall fall within the protection scope of the present invention.