Disclosure of Invention
To above-mentioned problem, provide an intelligence loading and unloading valve rod keyway location processingequipment, through the automatic feeding mechanism who is connected with conveying mechanism transmission for conveying mechanism is at the in-process of horizontal transport valve rod, and automatic feeding mechanism can get a valve rod and fall on conveying mechanism's backing block, and simultaneously at the in-process of carrying, is fixed the valve rod through positioning mechanism, and carries out fluting through slotting mechanism, has solved current processing equipment and can promote two valve rods together to fall in the valve rod constant head tank's problem through the roof.
In order to solve the problems in the prior art, the invention provides an intelligent assembling and disassembling valve rod key slot positioning processing device which comprises a conveying mechanism, an automatic feeding mechanism, a positioning mechanism and a grooving mechanism, wherein the conveying mechanism is provided with a conveying surface which circulates along the horizontal direction, supporting blocks are arranged on the conveying surface at equal intervals, V-shaped notches are arranged at the outer ends of the supporting blocks, and a valve rod is horizontally arranged on the V-shaped notches; the automatic feeding mechanism is arranged at the top of the feeding end of the conveying mechanism and comprises a storage box and a distributing piece, the distributing piece is in transmission connection with the conveying mechanism, and when the conveying mechanism conveys, the distributing piece takes out a valve rod from the storage box and horizontally lays the valve rod on the supporting block; the positioning mechanisms are arranged on two sides of the conveying mechanism along the width direction of the conveying mechanism, and in a working state, the valve rod passing through the positioning mechanisms is fixed by the positioning mechanisms; the slotting mechanism is arranged on the top of the positioning mechanism and is provided with a milling head capable of moving longitudinally and transversely.
Preferably, the conveying mechanism comprises a bottom plate, side plates, driven sprockets, driving sprockets, roller chains and a servo motor, wherein the side plates are arranged at the top end of the bottom plate in parallel along the longitudinal direction, the driven sprockets and the driving links are horizontally and rotationally arranged at the two ends of the side plates, the roller chains are sleeved on the driven sprockets and the driving sprockets, the supporting blocks are equidistantly arranged on the roller chains, the material distributing pieces are in transmission connection with the driven sprockets, the servo motor is arranged on the side plates, and an output shaft of the servo motor is in synchronous transmission connection with the driving sprockets.
Preferably, the automatic feeding mechanism further comprises a positioning frame, the positioning frame is horizontally arranged at the top of the feeding end of the conveying mechanism, a feeding port is formed in the top end of the positioning frame, a discharging port which is transversely staggered with the feeding port is formed in the bottom end of the positioning frame, a storage box is arranged at the top end of the positioning frame and communicated with the discharging port, a material distributing piece is slidingly arranged in the positioning frame along the conveying direction of the conveying mechanism, the material distributing piece is provided with a transition port which penetrates longitudinally, and when the driven sprocket rotates, the material distributing piece slides back and forth between the feeding port and the discharging port.
Preferably, the automatic feeding mechanism further comprises a rotating shaft, a rotating disc and a transmission rod, wherein the rotating shaft is rotationally arranged on one side of the positioning frame, the rotating disc is coaxially and fixedly arranged at one end of the rotating shaft, an eccentric pin deviating from the axis of the rotating disc is arranged on the rotating disc, the other end of the rotating shaft is synchronously in transmission connection with the driven sprocket, and two ends of the transmission rod are respectively in rotational connection with the material distributing piece and the eccentric pin.
Preferably, the bottom of discharge gate is provided with the guide hopper, the inside of guide hopper has the decurrent inclined plane of slope, and the valve rod rolls on the inclined plane and falls on the riding block.
Preferably, the positioning mechanism comprises a sliding table cylinder, a support and a thimble piece, wherein the sliding table cylinder is arranged on two sides of the conveying mechanism, the support is fixedly arranged at the working end of the sliding table cylinder along the longitudinal direction, the thimble piece is transversely arranged on the support, and under the working state, the tip end of the thimble piece is coaxially abutted to two ends of the valve rod.
Preferably, the thimble piece includes needle body, fixed column and stop nut, the fixed column transversely sets up on the support, the needle body with the one end threaded connection of fixed column, stop nut and the other end threaded connection of fixed column.
Preferably, the positioning mechanism further comprises a first fixing sleeve, a disc spring and a fixing nut, the axis of the first fixing sleeve is horizontally arranged on the support, one end of the outer circumferential surface of the first fixing sleeve is provided with a first fixing ring, the fixing nut is in threaded connection with the other end of the first fixing sleeve, the fixing column is coaxially and slidingly arranged in the first fixing sleeve, the disc spring is sleeved on the fixing column, and the disc spring is located between the first fixing ring and the needle body.
Preferably, the positioning mechanism further comprises a second fixed ring, a connecting rod and an abutting claw, a first slot extending along the radial direction of the first fixed ring is formed in the outer circumferential surface of the first fixed ring, the second fixed ring is coaxially and fixedly arranged on the outer circumferential surface of the needle body, a second slot extending along the radial direction of the second fixed ring is formed in the outer circumferential surface of the second fixed ring, the abutting claw is rotationally arranged in the second slot, two ends of the connecting rod are respectively connected with the first slot and one end of the abutting claw in a rotating mode, and the other end of the abutting claw is in abutting connection with the outer circumferential surface of the valve rod along the radial direction.
Preferably, the positioning mechanism further comprises a second fixing sleeve and a clamp, the second fixing sleeve is coaxially screwed on the outer circumferential surface of the needle body, a limiting ring is arranged at one end of the outer circumferential surface of the first fixing sleeve, the second fixing ring is coaxially arranged on the outer circumferential surface of the second fixing sleeve, a ring groove coaxial with the second fixing sleeve is further formed in the outer circumferential surface of the second fixing sleeve, the clamp is coaxially arranged on the ring groove, and the second fixing ring is located between the clamp and the limiting ring.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the automatic feeding mechanism is arranged at the feeding end of the conveying mechanism, and is in transmission connection with the conveying mechanism, so that when the conveying mechanism horizontally conveys the valve rods, the material distributing piece can take out one valve rod in the storage box and fall on the supporting block of the conveying mechanism, the conveying mechanism can position the two ends of the valve rods in the process of horizontally intermittently conveying the valve rods, and meanwhile, the milling head rotating at a high speed on the slotting mechanism can be provided with a key slot on the circumferential surface of the valve rods, so that the discharging precision and the processing efficiency are high.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
As shown in fig. 1 and 2, the present invention provides:
the intelligent assembling and disassembling valve rod key slot positioning processing device comprises a conveying mechanism 1, an automatic feeding mechanism 2, a positioning mechanism 3 and a grooving mechanism 4, wherein the conveying mechanism 1 is provided with a conveying surface which circulates along the horizontal direction, supporting blocks 11 are arranged on the conveying surface at equal intervals, V-shaped notches are formed in the outer ends of the supporting blocks 11, and valve rods are horizontally arranged on the V-shaped notches; the automatic feeding mechanism 2 is arranged at the top of the feeding end of the conveying mechanism 1, the automatic feeding mechanism 2 comprises a storage box 21 and a distributing piece 22, the distributing piece 22 is in transmission connection with the conveying mechanism 1, and when the conveying mechanism 1 conveys, the distributing piece 22 takes out a valve rod from the storage box 21 and horizontally lays the valve rod on the supporting block 11; the positioning mechanisms 3 are arranged on two sides of the conveying mechanism 1 along the width direction of the conveying mechanism, and in the working state, the valve rod passing through the positioning mechanisms 3 is fixed; the slotting mechanism 4 is arranged on top of the positioning mechanism 3, the slotting mechanism 4 having a milling head 41 that is movable in a longitudinal direction and in a transverse direction.
As shown in fig. 2, the slotting mechanism 4 further includes a gantry 42, a sliding table 43, a longitudinal lifter 44 and a milling motor 45, the gantry 42 is disposed at the top of the conveying mechanism 1, the sliding table 43 is fixedly disposed at the top end of the gantry 42 in a transverse direction, the longitudinal lifter 44 is fixedly disposed at the working end of the sliding table 43 in a longitudinal direction, the milling motor 45 is fixedly disposed at the working end of the longitudinal lifter 44 in the longitudinal direction, and the milling head 41 is fixedly disposed on the output shaft of the milling motor 45 in a coaxial direction.
The bottom end of the slotting part of the conveying mechanism 1 is provided with a sensor 5, and the sensor 5 is used for detecting whether the valve rod has moved into the positioning mechanism 3, so that the positioning is facilitated.
The conveying surface of the conveying mechanism 1 is parallel, two supporting blocks 11 are formed into a group, a group of supporting blocks 11 are arranged on the conveying surface at equal intervals, a V-shaped notch is formed in the top end of each supporting block 11, two ends of a valve rod can horizontally fall into the V-shaped notch, and the V-shaped notch can pre-position the valve rod so that the positioning mechanism 3 can slot and position the valve rod.
The distributing member 22 can take out a valve rod from the storage box 21 and fall on the feeding end of the conveying mechanism 1, so that the valve rod falls on the supporting block 11 at the feeding end of the conveying mechanism 1, the conveying mechanism 1 drives the valve rod to intermittently move along the horizontal direction, when the valve rod moves between the two positioning mechanisms 3, namely, when the sensor 5 detects the valve rod, the positioning mechanisms 3 can fix the valve rod in the valve rod, thereby preventing the valve rod from moving during slotting, and when the valve rod is fixed, the slotting mechanism 4 is started, so that the milling head 41 rotates at a high speed and a key slot is formed in the circumferential surface of the valve rod.
According to the embodiment, the automatic feeding mechanism 2 is arranged at the feeding end of the conveying mechanism 1, the automatic feeding mechanism 2 is in transmission connection with the conveying mechanism 1, when the conveying mechanism 1 horizontally conveys the valve rods, the material distributing piece 22 can take out one valve rod in the material storage box 21 and fall on the supporting block 11 of the conveying mechanism 1, the conveying mechanism 1 can position two ends of the valve rods in the process of horizontally intermittently conveying the valve rods, meanwhile, the milling heads 41 rotating at high speed on the grooving mechanism 4 can be provided with key grooves on the circumferential surfaces of the valve rods, and the discharging precision and the processing efficiency are high.
As shown in fig. 3, the conveying mechanism 1 includes a bottom plate 12, a side plate 13, a driven sprocket 14, a driving sprocket 15, a roller chain 16 and a servo motor 17, wherein the side plate 13 is longitudinally and parallelly arranged at the top end of the bottom plate 12, the driven sprocket 14 and the driving chain are horizontally and rotatably arranged at two ends of the side plate 13, the roller chain 16 is sleeved on the driven sprocket 14 and the driving sprocket 15, the supporting blocks 11 are equidistantly arranged on the roller chain 16, the material distributing member 22 is in transmission connection with the driven sprocket 14, the servo motor 17 is arranged on the side plate 13, and an output shaft of the servo motor 17 is in synchronous transmission connection with the driving sprocket 15.
By arranging the two side plates 13 on the top end of the bottom plate 12 in parallel in the longitudinal direction, so that the driven sprocket 14, the driving sprocket 15 and the roller chain 16 are stably arranged on the side plates 13, when the servo motor 17 is started, the output shaft of the servo motor 17 can drive the driving sprocket 15 to coaxially rotate, so that the roller chain 16 can rotate on the driven sprocket 14 and the driving sprocket 15, the supporting plates are uniformly arranged on the roller chain 16 at intervals, and when the valve rod horizontally falls on the supporting block 11, the roller chain 16 can drive the valve rod to stably move in the horizontal direction.
As shown in fig. 4, 5 and 6, the automatic feeding mechanism 2 further includes a positioning frame 23, the positioning frame 23 is horizontally disposed at the top of the feeding end of the conveying mechanism 1, a feeding port 231 is disposed at the top end of the positioning frame 23, a discharging port 232 transversely staggered with the feeding port 231 is disposed at the bottom end of the positioning frame 23, the storage box 21 is disposed at the top end of the positioning frame 23, the storage box 21 is communicated with the discharging port 232, the distributing member 22 is slidingly disposed in the positioning frame 23 along the conveying direction of the conveying mechanism 1, the distributing member 22 has a transition port 221 penetrating longitudinally, and when the driven sprocket 14 rotates, the distributing member 22 slides reciprocally between the feeding port 231 and the discharging port 232.
When the conveying mechanism 1 drives the valve rod to intermittently move along the horizontal direction, the material distributing member 22 reciprocates along the horizontal direction in the positioning frame 23, when the transition port 221 slides, the valve rod in the storage box 21 can pass through the feed port 231 under the action of gravity and fall into the transition port 221, and the material distributing member 22 can drive the valve rod in the filter port to slide to the top end of the discharge port 232, so that the valve rod in the transition port 221 passes through the discharge port 232 and then falls onto the supporting plate on the feed end of the conveying mechanism 1, thereby realizing automatic feeding of the valve rod.
As shown in fig. 5 and 6, the automatic feeding mechanism 2 further includes a rotating shaft 24, a rotating disc 25 and a driving rod 26, the rotating shaft 24 is rotatably disposed on one side of the positioning frame 23, the rotating disc 25 is coaxially and fixedly disposed at one end of the rotating shaft 24, an eccentric pin 251 deviating from the axis of the rotating disc 25 is disposed on the rotating disc 25, the other end of the rotating shaft 24 is in synchronous driving connection with the driven sprocket 14, and two ends of the driving rod 26 are respectively in rotational connection with the distributing member 22 and the eccentric pin 251.
Because the rotation shaft 24 is connected with the driven sprocket 14 in a synchronous transmission way, when the driven sprocket 14 rotates, the rotation shaft 24 rotates on the positioning frame 23, so that the rotation shaft 24 drives the rotating disc 25 to rotate on the positioning frame 23, and the eccentric shafts deviating from the axes of the rotation shaft are arranged on the positioning disc, because the two ends of the transmission rod 26 are respectively connected with the eccentric shafts and the distributing piece 22 in a rotation way, when the positioning disc rotates, the transmission rod 26 can drive the distributing piece 22 to reciprocate in the positioning frame 23 along the horizontal direction, and the distributing piece 22 can intermittently place the valve rod in the storage box 21 on the supporting plate, so that automatic feeding of the valve rod can be completed.
As shown in fig. 5, the bottom end of the discharge port 232 is provided with a pilot hopper 233, the inside of the pilot hopper 233 has a downward inclined surface, and the valve rod rolls on the inclined surface and falls on the supporting block 11.
By arranging the discharging hopper 233 at the bottom end of the discharging port 232, and arranging the inclined surface with the inclined direction at one side of the discharging hopper 233, the valve rod in the transition port 221 can fall into the discharging hopper 233 after passing through the discharging port 232, and under the action of the inclined surface, the valve rod can roll onto the supporting block 11 of the conveying mechanism 1, so that the valve rod is prevented from directly falling onto the supporting block 11 to vibrate the conveying mechanism 1, and the stability of the conveying mechanism 1 can be improved.
As shown in fig. 7, 8 and 9, the positioning mechanism 3 includes a sliding table 43 cylinder 31, a support 32 and a thimble member, the sliding table 43 cylinder 31 is disposed on two sides of the conveying mechanism 1, the support 32 is fixedly disposed at a working end of the sliding table 43 cylinder 31 along a longitudinal direction, the thimble member is transversely disposed on the support 32, and in a working state, a tip end of the thimble member coaxially abuts against two ends of the valve rod.
When the conveying mechanism 1 drives the valve rod to intermittently move between the two positioning mechanisms 3, the sliding table 43 air cylinder 31 is started, so that the sliding table 43 air cylinder 31 drives the support 32 to move along the length direction of the valve rod, and then the thimble pieces arranged on the support 32 can coaxially abut against the two ends of the valve rod, and then the valve rod on the conveying mechanism 1 can be fixed, thereby preventing the valve rod from moving when the grooving mechanism 4 is grooving, and further improving the machining precision of the valve rod.
As shown in fig. 9, 10 and 11, the ejector pin member includes a pin body 321, a fixing post 322 and a limit nut 323, the fixing post 322 is transversely disposed on the bracket 32, the pin body 321 is in threaded connection with one end of the fixing post 322, and the limit nut 323 is in threaded connection with the other end of the fixing post 322.
For adapting to the valve rods with different lengths, the fixing column 322 is fixedly arranged on the bracket 32 through the limit nut 323, so that the bracket 32 can drive the fixing column 322 to stably move along the horizontal direction, and the needle body 321 is in threaded connection with the fixing column 322, so that the abutting force of the needle body 321 to the valve rod can be adjusted.
As shown in fig. 9, the positioning mechanism 3 further includes a first fixing sleeve 33, a disc spring 34 and a fixing nut 35, the axis of the first fixing sleeve 33 is horizontally disposed on the support 32, one end of the outer circumferential surface of the first fixing sleeve 33 is provided with a first fixing ring 331, the fixing nut 35 is in threaded connection with the other end of the first fixing sleeve 33, the fixing column 322 is coaxially and slidably disposed in the first fixing sleeve 33, the disc spring 34 is sleeved on the fixing column 322, and the disc spring 34 is located between the first fixing ring 331 and the needle 321.
In order to enable the thimble to stably clamp the valve rod and prevent the action of the cylinder 31 of the sliding table 43 from directly acting on the valve rod, the first fixing sleeve 33 is horizontally arranged on the bracket 32, the first fixing sleeve 33 is fixedly connected with the bracket 32 through the fixing nut 35 and the first fixing ring 331, the fixing column 322 is coaxially and slidingly arranged in the first fixing sleeve 33, the disc spring 34 is arranged between the first fixing ring 331 and the needle body 321, and the disc spring 34 is compressed when the cylinder 31 of the sliding table 43 drives the needle body 321 to abut against the end part of the valve rod, so that the action of the cylinder 31 of the sliding table 43 is prevented from directly acting on the valve rod, and meanwhile, the fixing nut 35 can prevent the fixing column 322 from being separated from the first fixing sleeve 33 due to the elastic force of the disc spring 34.
As shown in fig. 9 and 11, the positioning mechanism 3 further includes a second fixed ring 361, a connecting rod 362, and an abutment claw 363, where a first slot extending along a radial direction of the first fixed ring 331 is provided on an outer circumferential surface of the first fixed ring 331, the second fixed ring 361 is coaxially and fixedly provided on an outer circumferential surface of the needle 321, a second slot extending along a radial direction of the second fixed ring 361 is provided on an outer circumferential surface of the second fixed ring 361, the abutment claw 363 is rotatably provided in the second slot, two ends of the connecting rod 362 are respectively connected with the first slot and one end of the abutment claw 363 in a rotating manner, and the other end of the abutment claw 363 is radially abutted on the outer circumferential surface of the valve rod.
Because the abutment claw 363 is rotatably disposed in the second slot on the outer circumferential surface of the second fixed ring 361, when the fixed post 322 slides in the first fixed sleeve 33, the first fixed ring 331 approaches the second fixed ring 361, and the first fixed ring 331 drives one end of the abutment claw 363 to deflect through the connecting rod 362, so that the other end of the abutment claw 363 can radially abut against the circumferential surface of the valve rod, and when an abutment force is provided on the circumferential surface of the valve rod, the valve rod cannot rotate between the two needle bodies 321, thereby improving the machining precision of the valve rod.
The clamping end of the abutting claw 363 is provided with a connecting pin 3631, a rubber sleeve 3632 is sleeved on the connecting pin 3631, the outer diameter of the rubber sleeve 3632 is larger than that of one end of the abutting claw 363, and the abutting claw 363 clamps the end part of the valve rod through the rubber sleeve 3632.
As shown in fig. 9, the positioning mechanism 3 further includes a second fixing sleeve 371 and a clamp 372, the second fixing sleeve 371 is coaxially screwed on the outer circumferential surface of the needle 321, one end of the outer circumferential surface of the first fixing sleeve 33 is provided with a stop ring 3711, the second fixing ring 361 is coaxially disposed on the outer circumferential surface of the second fixing sleeve 371, the outer circumferential surface of the second fixing sleeve 371 is further provided with a ring groove coaxial with the second fixing sleeve 371, the clamp 372 is coaxially disposed on the ring groove, and the second fixing ring 361 is located between the clamp 372 and the stop ring 3711.
Can set up the fixed ring 361 of second on the outer periphery of fixed cover 371 of second through spacing ring 3711 and clamp 372 for the fixed cover 371 of second can take place to rotate in the fixed ring 361 of second, because of the fixed cover 371 of second and the fixed cover 371 of needle 321 threaded connection of second, when the rotatory fixed cover 371 of relative needle 321, the fixed ring 361 of second can remove on the needle 321, with this clamping force that can adjust butt claw 363, and then be convenient for adapt to the valve rod of the different diameters of centre gripping.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.