Disclosure of Invention
Based on the above, it is necessary to provide a cast part surface treatment apparatus for solving the technical problem that the existing cast part having a turbine structure is difficult to polish.
The above purpose is achieved by the following technical scheme:
The surface treatment equipment for the cast parts comprises a frame and a base, wherein the base is connected with a grinding box through a vibrating spring, and a sanding hole is arranged in the grinding box; the machine frame is arranged on the base in a vertical sliding mode, a grinding mechanism is arranged on the machine frame and comprises a clamping assembly, a guiding assembly and a stirring assembly, and the clamping assembly is used for clamping two ends of a casting piece; the guiding component is used for guiding the polishing sand along the rotation direction of the turbine blade of the casting piece, and the stirring component is used for stirring the polishing sand in the polishing box to the circumference of the casting piece.
Further, the grinding mechanism further comprises a main shaft, the main shaft is rotatably arranged on the frame, the clamping assembly comprises a rotating frame, the rotating frame is rotatably arranged on the main shaft, a long groove is formed in the rotating frame, two clamping pieces are slidably arranged in the long groove and respectively clamp two ends of the casting piece, a first spring is arranged between the end part of the clamping piece and the long groove, and the clamping piece is kept in a clamping state by the first spring.
Further, two lifting frames are symmetrically arranged on the main shaft, the two lifting frames can synchronously slide along the main shaft and are close to or far away from each other, a cambered plate is arranged on the lifting frames, a clamping ring is arranged in the middle of the cambered plate, sliding grooves are formed in two sides of the clamping ring, and the sliding grooves are obliquely arranged.
Further, the stirring assembly comprises an annular frame which is semicircular, a rotating ring is arranged in the annular frame in a sliding mode, a plurality of stirring plates are arranged in the circumferential direction of the rotating ring, and the stirring plates can rotate along a set angle and guide polishing sand to be close to a casting piece; be equipped with the transmission case on the loop wheel frame, the inside of transmission case is equipped with first transmission shaft, and first transmission shaft transmission is connected with two second transmission shafts, the side of swivel becket is equipped with first ring gear, second transmission shaft and first ring gear meshing, fixedly on the transmission case be equipped with the slider, the slider can follow the spout and slide, be equipped with the second spring in the spout, the second spring can drive the slider and be close to the casting, and then drives the loop wheel frame of stirring the subassembly and be close to the casting.
Further, the first magnets are arranged at the two ends of the annular frame, the second magnets are arranged in the middle of the annular frame, the third magnets are arranged at the two ends of the rotating ring, the fourth magnets are arranged in the middle of the rotating ring, the first magnets at the two ends of the annular frame are mutually attracted with the third magnets at the two ends of the rotating ring, and the second magnets in the middle of the annular frame are mutually attracted with the fourth magnets in the middle of the rotating ring.
Further, the guide assembly comprises a first gear, the side that the first gear is close to the casting is equipped with the drum, the drum is located in the snap ring, the circumference of drum is equipped with a plurality of rotatable guide boards, the guide board is connected with the pivot, the tip of pivot is equipped with the drive tooth, it is equipped with a plurality of first racks of buckling and the second racks of buckling to slide on the drum, first racks of buckling and second racks of buckling are located the both sides of drive tooth respectively and mesh with the drive tooth, first racks of buckling and second racks of buckling synchronous reverse movement.
Further, the first bending rack is provided with a first propping end, the second bending rack is provided with a second propping end, the first propping end is close to the axis of the cylinder in the diameter direction of the cylinder, and the second propping end is far away from the axis of the cylinder.
Further, the frame includes the apron, be equipped with flexible cylinder on the apron, flexible cylinder has the lift axle, the lift axle is equipped with the drive rack, the drive rack is used for driving the rotating turret rotation.
Further, the guide components are arranged symmetrically up and down, the cover plate is provided with a second gear ring, the bottom of the frame is provided with a third gear ring, the first gear is meshed with a gear rod, the second gear ring is meshed with the gear rod of the guide component positioned above, and the third gear ring is meshed with the gear rod of the guide component positioned below; the first gear is meshed with the first transmission shaft.
Further, the guide assembly is in jacking fit with one side, far away from the casting piece, of the clamping piece, a first lug is arranged on one clamping piece, a second lug is arranged on the other clamping piece, the first lug is used for jacking a first jacking end, and the second lug is used for jacking a second jacking end.
The beneficial effects of the invention are as follows:
according to the cast part surface treatment equipment provided by the invention, the two ends of the cast part are clamped by the clamping component, the polishing sand is guided along the rotating direction of the turbine blade of the cast part by the guiding component, and the polishing sand in the polishing box is stirred to the circumference of the cast part by the stirring component, so that the polishing sand is fully contacted with the turbine blade of the cast part, and the polishing effect of the cast part is better.
Secondly, the clamping assembly can drive the casting piece to rotate 180 degrees, and then the polishing effect of the upper turbine blade and the lower turbine blade of the casting piece is consistent, and the polishing effect is further improved.
Detailed Description
The present invention will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 13, an apparatus for treating a surface of a cast part according to an embodiment of the present invention includes a frame 102 and a base 100, wherein a grinding box 200 is connected to the base 100 through a vibrating spring, and a sanding hole is placed in the grinding box 200; the frame 102 is arranged on the base 100 in a vertically sliding way through the lifting cylinder 101, a grinding mechanism is arranged on the frame 102, the grinding mechanism comprises a clamping assembly 430, a guiding assembly 720 and a stirring assembly 800, and the clamping assembly 430 is used for clamping two ends of the casting piece 600; the guide assembly 720 is used to guide the sanding in the direction of rotation of the turbine blades of the casting 600, and the poking assembly 800 is used to poke the sanding in the grinding tank 200 toward the circumference of the casting 600. The casting 600 in this embodiment has dual turbine blades, with the upper turbine blade having opposite rotational directions from the lower turbine blade.
In a further embodiment, the grinding mechanism includes a spindle 400, the spindle 400 is rotatably disposed on the frame 102, the clamping assembly 430 includes a rotating frame 410, the rotating frame 410 is rotatably disposed on the spindle 400, a long groove is disposed in the rotating frame 410, two clamping members 420 are slidably disposed in the long groove, the two clamping members 420 respectively clamp two ends of the casting member 600, and a first spring is disposed between an end of the clamping member 420 and the long groove, and the clamping member 420 is kept in a clamped state by the first spring. The spindle 400 is rotatably provided with a rotation shaft 402, and the turret 410 is fixed to the rotation shaft 402.
In a further embodiment, two lifting frames 500 are symmetrically arranged on the main shaft 400, the two lifting frames 500 can synchronously slide along the main shaft 400 and approach or separate from each other, a cambered plate is arranged on the lifting frames 500, a clamping ring 501 is arranged in the middle of the cambered plate, sliding grooves 502 are formed in two sides of the clamping ring 501, and the sliding grooves 502 are obliquely arranged. The main shaft 400 is provided with a hydraulic oil tank, two hydraulic oil chambers are arranged in the hydraulic oil tank, the upper lifting frame 500 and the lower lifting frame 500 are respectively provided with a piston 503, and the pistons 503 are respectively positioned in one of the hydraulic oil chambers and slide along the hydraulic oil chambers. The middle parts of the two hydraulic oil chambers are communicated through the communication chamber 401, so that the two lifting frames 500 can be synchronously controlled to be close to or far from each other by controlling hydraulic oil to enter the hydraulic oil chambers through a hydraulic pump (not shown in the figure).
In a further embodiment, the stirring assembly 800 includes an annular frame 810, the annular frame 810 is semicircular, an annular groove 815 is provided in the annular frame 810, a rotating ring 820 is provided in the annular groove 815 in a sliding manner, a plurality of fixing lugs 821 are provided in the circumference of the rotating ring 820, a stirring plate 830 is provided in the fixing lugs 821, and the stirring plate 830 can rotate along a set angle and guide sanding to approach to the casting 600. The set angle is 90 degrees, and initially, the cutting angle between the toggle plate 830 and the ring frame 810 is 30 degrees, 45 degrees or 60 degrees. The annular frame 810 is provided with a transmission case 813, a first transmission shaft 812 is arranged in the transmission case 813, the first transmission shaft 812 is in transmission connection with two second transmission shafts 814, a first gear ring (not shown in the figure) is arranged on the side face of the rotating ring 820, and the end portion of the second transmission shaft 814 extends into the annular frame 810 and is meshed with the first gear ring, so that the rotating ring 820 can be driven to rotate by the rotation of the second transmission shaft 814. The transmission case 813 is fixedly provided with a sliding block 811, the sliding block 811 can slide along the sliding groove 502, the sliding groove 502 is internally provided with a second spring, and the second spring can drive the sliding block 811 to approach the casting 600, so as to drive the annular frame 810 of the toggle assembly 800 to approach the casting 600. The toggle assemblies 800 are arranged in one-to-one correspondence with the sliding grooves 502, and the annular frames 810 of the two toggle assemblies 800 can be abutted to form a circular ring, so that the circumference of the casting 600 is surrounded. The stirring assemblies 800 are vertically symmetrically arranged and are respectively positioned on the upper lifting frame 500 and the lower lifting frame 500, the upper turbine blades of the casting piece 600 can be surrounded by the two stirring assemblies 800 positioned above, and the lower turbine blades of the casting piece 600 can be surrounded by the two stirring assemblies 800 positioned below.
In a further embodiment, the two ends of the ring frame 810 are provided with first magnets (not shown in the figure), the middle part of the ring frame 810 is provided with second magnets (not shown in the figure), the two ends of the rotating ring 820 are provided with third magnets, the middle part of the rotating ring 820 is provided with fourth magnets, the first magnets at the two ends of the ring frame 810 are attracted to the third magnets at the two ends of the rotating ring 820, and the second magnets at the middle part of the ring frame 810 are attracted to the fourth magnets at the middle part of the rotating ring 820. After the rotating ring 820 stops rotating, the rotating ring 820 and the annular frame 810 are ensured to keep synchronous as much as possible, and one end of the rotating ring 820 extends out of the annular frame 810 to prevent the separation or butt joint of the two annular frames 810 from being influenced.
In a further embodiment, the guide assembly 720 includes a first gear 721, a cylinder is disposed on a side of the first gear 721 adjacent to the casting 600, the cylinder is disposed in the snap ring 501, a plurality of rotatable guide plates 722 are disposed on a circumference of the cylinder, the guide plates 722 are connected with a rotating shaft, a transmission gear is disposed at an end of the rotating shaft, a plurality of first bending racks 723 and second bending racks 724 are slidably disposed on the cylinder, the first bending racks 723 and the second bending racks 724 are disposed on two sides of the transmission gear and are engaged with the transmission gear, and the first bending racks 723 and the second bending racks 724 synchronously and reversely move. When the first bending rack 723 drives the guide plate 722 to rotate in the counterclockwise direction, the second bending rack 724 drives the guide plate 722 to rotate in the clockwise direction.
In a further embodiment, the first bent rack 723 has a first pressing end 7231 and the second bent rack 724 has a second pressing end 7241, the first pressing end 7231 being close to the axis of the cylinder and the second pressing end 7241 being distant from the axis of the cylinder in the diameter direction of the cylinder.
In a further embodiment, the frame 102 includes a cover 300, a telescopic cylinder 301 is disposed on the cover 300, the telescopic cylinder 301 has a lifting shaft 305, the lifting shaft 305 is provided with a driving rack 306, the driving rack 306 is meshed with the rotating shaft 402, and the driving rack 306 is used for driving the rotating shaft 402 to rotate. The cover plate 300 is also provided with a motor 302, and the motor 302 is meshed with the spindle 400 to drive the spindle 400 to rotate.
In a further embodiment, the cover plate 300 is provided with a second gear ring 303, the bottom of the frame 102 is provided with a third gear ring 304, the first gear 721 is meshed with the gear rod 710, the second gear ring 303 is meshed with the gear rod 710 located above, and the third gear ring 304 is meshed with the gear rod 710 located below; the gear lever 710 rotates to drive the first gear 721 to rotate, and the first gear 721 is meshed with the first transmission shaft 812. The gear rod 710 includes a second gear and a fixed rod, the second gear is matched with the second gear ring 303 or the third gear ring 304, a friction section and a smooth section are provided on the fixed rod, the friction section rotates synchronously with the first gear 721, the smooth section is located at one side of the fixed rod far away from the second gear, and the smooth section is matched with the first gear 721 in a rotating way. When the gear lever 710 is moved away from the first gear 721, the smooth section is meshed with the first gear 721.
In a further embodiment, the guiding component 720 is press-fitted to a side of the clamping member 420 away from the casting member 600, wherein a first protrusion 731 is provided on one clamping member 420, a second protrusion 732 is provided on the other clamping member 420, the first protrusion 731 is used for pressing against the first pressing end 7231, and the second protrusion 732 is used for pressing against the second pressing end 7241. In the present embodiment, the diameter of the first bump 731 is smaller than the diameter of the second bump 732, and the length of the first pressing end 7231 is shorter than the length of the second pressing end 7241, so that the first bump 731 does not contact the second pressing end 7241 when pressing the first pressing end 7231, and the second bump 732 does not contact the first pressing end 7231 when pressing the second pressing end 7241, so that the first bump and the second bump do not interfere with each other.
In combination with the above embodiment, the use principle and working process of the embodiment of the present invention are as follows:
Initially, the upper and lower lifters 500 are far apart from each other. The casting 600 is clamped between the two clamping pieces 420, the lifting cylinder 101 controls the frame 102 to descend, the casting 600 enters the grinding box 200, grinding sand is poured into the grinding box 200, then the hydraulic pump is controlled to suck hydraulic oil to enable the upper lifting frame 500 and the lower lifting frame 500 to be close to each other, the upper guide assembly 720 and the lower guide assembly 800 are close to each other under the guidance of the sliding groove 502, the upper annular frame 810 and the lower annular frame 810 are in contact, and the two annular frames 810 on the same cambered plate are in gradual butt joint, so that two semicircles are in butt joint to form a circular ring around the casting 600. As shown in fig. 10, the first bending rack 723 of the upper guide assembly 720 is pressed by the first projection 731, and the upper guide plate 722 is rotated counterclockwise by 90 degrees, so that the upper guide plate 722 is rotated in the same direction as the turbine blade above the casting 600; the second bent rack 724 of the lower guide assembly 720 is pressed by the second protrusion 732, and thus the lower guide plate 722 is rotated clockwise by 90 degrees, so that the lower guide plate 722 is rotated in the same direction as the turbine blade below the casting 600. The upper and lower lifters 500 are not moved any more, and the first gear 721 of the guide assembly 720 is engaged with the first transmission shaft 812 of the corresponding toggle assembly 800. Then, the motor 302 is controlled to rotate to drive the spindle 400 to rotate, the spindle 400 drives the lifting frame 500 to rotate around the spindle 400, and then drives the upper gear rod 710 to revolve along the second gear ring 303 of the cover plate 300 and simultaneously rotate, the lower gear rod 710 revolves along the third gear ring 304 at the bottom of the frame 102 and simultaneously rotates, the gear rod 710 rotates to drive the first gear 721 to rotate, and then drives the guide plate 722 on the upper guide assembly 720 to guide the polishing sand downwards into the turbine blades above the casting piece 600, the lower guide assembly 720 guides the polishing sand downwards along the turbine blades below the casting piece 600, the first gear 721 rotates and simultaneously drives the first transmission shaft 812 to rotate, the first transmission shaft 812 rotates to drive the second transmission shaft 814 to rotate, the rotation of the second transmission shaft 814 can drive the rotating ring 820 to rotate the stirring plate 830 on the rotating ring 820, and the stirring plate 830 of the stirring assembly 800 can guide the polishing sand in the polishing box 200 to the casting piece 600. Under the cooperation of the guiding assembly 720 and the stirring assembly 800, the polishing sand above flows around the casting piece 600 from the turbine blades above the casting piece 600 from top to bottom, and then flows to the bottom of the casting piece 600 from the turbine blades below the casting piece 600 from top to bottom, so that the polishing sand is fully contacted with the turbine blades of the casting piece 600, and the polishing effect is improved.
After polishing for a period of time, the upper and lower lifting frames 500 are controlled to be away from each other, and the smooth section of the gear rod 710 is matched with the first gear 721, so that the gear rod 710 and the first gear 721 rotate with each other, the first gear 721 does not drive the first transmission shaft 812 to rotate any more, the rotating ring 820 does not rotate along the annular frame 810 any more, and under the adsorption of the first magnet, the third magnet, the second magnet and the fourth magnet, the rotating ring 820 completely enters the corresponding annular frame 810, and half of the rotating ring 820 is not located in one annular frame 810, and the other half is located in the other annular frame 810, so that the separation of the two annular frames 810 is facilitated. At this time, the lifting shaft 305 is controlled to move downwards by the telescopic cylinder 301, so that the driving rack 306 of the lifting shaft 305 is matched with the rotating shaft 402 to realize the rotation of the rotating frame 410 by 180 degrees, the clamping assembly 430 clamps the casting piece 600 to rotate by 180 degrees, then the upper lifting frame 500 and the lower lifting frame 500 are controlled to be close to each other and polish again, in the polishing process again, the guide plate 722 of the guide assembly 720 rotates by 90 degrees again, the rotation direction of the guide plate 722 is consistent with the rotation direction of the turbine blades of the casting piece 600 all the time, the polishing effect of the upper and lower groups of turbine blades of the casting piece 600 is consistent, and the polishing effect is further improved.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples merely represent a few embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the present 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.