CN220971707U

CN220971707U - Piston pin grinding equipment

Info

Publication number: CN220971707U
Application number: CN202323018134.XU
Authority: CN
Inventors: 王振华
Original assignee: Jiangxi Shengrui Machinery Parts Co ltd
Current assignee: Jiangxi Shengrui Machinery Parts Co ltd
Priority date: 2023-11-08
Filing date: 2023-11-08
Publication date: 2024-05-17
Anticipated expiration: 2033-11-08

Abstract

The utility model discloses piston pin grinding equipment, which comprises an operation table, wherein a first motor is fixedly arranged at the top of the operation table through bolts, and a transmission plate is fixedly connected with the output end of the first motor through the operation table; according to the utility model, the first motor on the top surface of the operating platform is started to drive the transmission plate with the fixed output end to rotate, so that the transmission plate drives the grinding roller arranged at the bottom of the transmission plate to rotate, then the second motor on the top surface of the supporting plate is started to drive the large gear with the fixed output end to rotate, and the large gear drives the plurality of small gears arranged around the side surface of the large gear to rotate, so that the fixing piece correspondingly arranged on each small gear synchronously rotates until the grinding roller is sequentially contacted with the piston pin sleeved on the periphery of the fixing piece, and the piston pin is driven to rotate along with the fixing piece, so that the aim of grinding the outer surface of the piston pin is fulfilled.

Description

Piston pin grinding equipment

Technical Field

The utility model relates to the technical field of piston pin processing equipment, in particular to piston pin grinding equipment.

Background

The piston pin is a cylindrical pin mounted to the piston skirt. The middle part of the piston penetrates through the small end hole of the connecting rod to connect the piston and the connecting rod, and the piston is used for transmitting the gas acting force born by the piston to the connecting rod or enabling the small end of the connecting rod to drive the piston to move together. Since the wrist pin is a high strength, high use speed article, the surface of the wrist pin in particular needs to be resistant to stamping and friction. The surface cross section of the wrist pin needs to be nearly perfectly circular to increase the strength of the surface and reduce the coefficient of friction, increasing its lifetime, to save the cost of use.

Through searching, publication number CN210678162U discloses a piston pin grinding device, which comprises a base, wherein a base is fixedly arranged on the base, a first motor is arranged on the base, the output shaft of the first motor is connected with a supporting plate, a fixing column is fixedly arranged on the supporting plate, and a fixing component for fixing the inner wall of a piston pin is arranged on the side wall of the fixing column; the both sides of base are equipped with support and grinding subassembly, are connected with the spring between the bottom of support and the base, and the top of support is equipped with the bottom plate, and fixed mounting has the second motor on the bottom plate, and the output shaft of second motor has the grinding roller, and the outer wall of grinding roller supports with the wrist pin surface each other and leans on. The grinding roller of the grinding assembly always keeps against the outer surface of the piston pin, and the grinding roller can grind all parts of the outer surface of the piston pin according to different thicknesses of all parts of the piston pin, so that the surface section of the piston pin is finally processed into a shape similar to an absolute circle.

According to the scheme, the fixing assembly and the grinding assembly are adopted to realize the grinding processing of the outer surface of the piston pin, but the grinding assembly can only grind a single piston pin at the same time, so that the problem of low grinding efficiency is solved, and the grinding assembly is not beneficial to grinding of a large number of piston pins.

Therefore, a piston pin grinding device is provided, which has the advantage of batch grinding processing, and further solves the problems in the background technology.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides piston pin grinding equipment.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a piston pin grinding equipment, includes the operation panel, there is first motor at the top of operation panel through bolt fixed mounting, and first motor output runs through operation panel fixedly connected with drive plate, flat round hole has been seted up to the left end of drive plate, and alternate in the flat round hole to be provided with the screw thread post, the upper portion surface threaded connection of screw thread post has the nut, and the bottom rigid coupling of screw thread post has the grinding roller, the below of drive plate is provided with the supporting disk, and the side of supporting disk passes through support and the inboard bottom surface welding of operation panel, there is the second motor centre of a circle department of supporting disk through bolt fixed mounting, and the second motor output runs through supporting disk fixedly connected with gear wheel, the edge week of supporting disk top surface all is connected with a plurality of mounting through the bearing, and the bottom of a plurality of mounting all passes the supporting disk rigid coupling has the pinion, the pinion is connected with the gear wheel meshing.

As a further description of the above technical solution: the mounting comprises hollow column casing and bottom welded metal pole thereof, and the metal pole bottom of mounting links to each other with the pinion, the hollow column casing top threaded connection of mounting has the knob, and the bottom rigid coupling of knob has the awl post, the awl post comprises cylinder part and the taper part of bottom, the hollow column casing inside of mounting is provided with two support pieces, and is provided with the spring between two support pieces to two support pieces all weld the piece that supports in opposite directions, the hollow column casing surface of mounting corresponds the piece of supporting and offers the mouth of stepping down.

As a further description of the above technical solution: the supporting piece is of a strip-shaped structure, and the top of the supporting piece is provided with a bevel surface corresponding to the slope surface of the conical column.

As a further description of the above technical solution: the bottom of the hollow column shell of the fixing piece is welded with a supporting ring.

As a further description of the above technical solution: two supports are welded on the side face of the supporting disc, and the sections of the two supports are of L-shaped structures.

As a further description of the above technical solution: the outer wall surface of the operating platform is fixedly provided with a motor controller, and the output end of the motor controller is electrically connected with the first motor and the second motor respectively.

As a further description of the above technical solution: the fixing pieces are arranged around the circle center of the supporting disc, and the lower parts of the grinding rollers extend to the left side of the supporting disc.

The utility model has the following beneficial effects:

According to the utility model, the first motor on the top surface of the operating platform is started to drive the transmission plate with the fixed output end to rotate, so that the transmission plate drives the grinding roller arranged at the bottom of the transmission plate to rotate, then the second motor on the top surface of the supporting plate is started to drive the big gear with the fixed output end to rotate, and then the big gear drives the plurality of pinion gears arranged around the side surface of the transmission plate to rotate, so that the fixing piece correspondingly arranged on each pinion gear synchronously rotates until the grinding roller is sequentially contacted with the piston pin sleeved on the periphery of the fixing piece, and the piston pin is driven to rotate along with the fixing piece, the purpose of grinding the outer surface of the piston pin is achieved, compared with the existing grinding device, the grinding processing can be carried out on a plurality of piston pins at the same time, the grinding efficiency of the piston pin can be remarkably improved, meanwhile, the threaded column is driven to drive the grinding roller through the threaded column to rotate, the nut on the surface of the threaded column is positioned on the transversely-moved grinding roller, and the piston pins with different thicknesses can be ground;

According to the utility model, the piston pin locking device is formed by adopting the fixing piece, the knob, the conical column, the supporting piece, the abutting block and the spring, the piston pin is sleeved on the periphery of the fixing piece, then the knob in threaded connection with the top of the fixing piece is rotated, the conical column is driven by the knob to extend between the two supporting pieces, and the two supporting pieces are enabled to move away from each other, so that the abutting block arranged on the two supporting pieces extends out of the fixing piece and abuts against the inner wall of the piston pin, the purpose of quick locking of the piston pin is achieved, and the stability of the piston pin in a grinding machining state is guaranteed.

Drawings

FIG. 1 is a schematic view of a wrist pin grinding apparatus of the present utility model;

FIG. 2 is a bottom view of a support plate of a wrist pin grinding apparatus of the present utility model;

FIG. 3 is a top view of a drive plate of a wrist pin grinding apparatus of the present utility model;

Fig. 4 is a schematic view showing the internal structure of a fixing member of a piston pin grinding apparatus according to the present utility model.

Legend description:

1. An operation table; 2. a first motor; 3. a drive plate; 4. grinding rollers; 5. a threaded column; 6. a nut; 7. a support plate; 8. a support; 9. a fixing member; 10. a knob; 11. a second motor; 12. a pinion gear; 13. a large gear; 14. a flat round hole; 15. a conical column; 16. a support; 17. abutting blocks; 18. a spring; 19. and a support ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

According to an embodiment of the present utility model, there is provided a wrist pin grinding apparatus.

The utility model will be further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-4, a piston pin grinding device according to the embodiment of the utility model comprises an operation table 1, a first motor 2 is fixedly arranged at the top of the operation table 1 through bolts, a transmission plate 3 is fixedly connected with the output end of the first motor 2 through the operation table 1, a flat round hole 14 is arranged at the left end of the transmission plate 3, a threaded column 5 is inserted in the flat round hole 14, a nut 6 is connected with the upper surface of the threaded column 5 through threads, a grinding roller 4 is fixedly connected with the bottom of the threaded column 5, a supporting plate 7 is arranged below the transmission plate 3, the side surface of the supporting plate 7 is welded with the bottom surface of the inner side of the operation table 1 through a support 8, a second motor 11 is fixedly arranged at the center of the supporting plate 7 through bolts, the output end of the second motor 11 is fixedly connected with a large gear 13 through the supporting plate 7, a plurality of fixing pieces 9 are connected with one circle at the edge of the top surface of the supporting plate 7 through bearings, a pinion 12 is fixedly connected at the bottom of each fixing piece 9 through the supporting plate 7, the pinion 12 is meshed with a large gear 13, a first motor 2 on the top surface of the operating platform 1 is started to drive a transmission plate 3 with the fixed output end to rotate, the transmission plate 3 is driven to drive a grinding roller 4 arranged at the bottom to rotate, a second motor 11 on the top surface of the supporting plate 7 is started to drive a large gear 13 with the fixed output end to rotate, the large gear 13 drives a plurality of pinions 12 arranged around the side surface of the supporting plate to rotate, the fixing pieces 9 correspondingly arranged on each pinion 12 are enabled to synchronously rotate until the grinding roller 4 is sequentially contacted with a piston pin sleeved on the periphery of the fixing piece 9, and the piston pin is driven to rotate along with the fixing pieces 9 (through adjusting the rotation speeds of the first motor 2 and the second motor 11, the grinding roller 4 and the piston pin are in contact with each other, the fixing piece 9 rotates at least one circle, so that the piston pin is ground comprehensively, and the purpose of grinding the outer surface of the piston pin is achieved, wherein in order to be suitable for piston pins with different sizes and thicknesses, the threaded column 5 in the transverse flat round hole 14 is used for driving the grinding roller 4 to transversely move, then the nut 6 on the surface of the threaded column 5 is rotated to position the transversely moved grinding roller 4, the grinding roller 4 is always in contact with the outer surface of the piston pin with different sizes or thicknesses sleeved on the fixing piece 9, and in order to facilitate feeding and discharging of the piston pin, the front end surface of the operating table 1 is provided with an opening;

In one embodiment, the fixing piece 9 is composed of a hollow column shell and a metal rod welded at the bottom of the hollow column shell, the bottom of the metal rod of the fixing piece 9 is connected with the pinion 12, the top of the hollow column shell of the fixing piece 9 is connected with the knob 10 in a threaded manner, the bottom of the knob 10 is fixedly connected with the tapered column 15, the tapered column 15 is composed of a cylindrical part and a tapered part at the bottom of the cylindrical part, two supporting pieces 16 are arranged in the hollow column shell of the fixing piece 9, a spring 18 is arranged between the two supporting pieces 16, the opposite sides of the two supporting pieces 16 are welded with a supporting block 17, the outer surface of the hollow column shell of the fixing piece 9 is provided with a yielding opening corresponding to the supporting block 17, the knob 10 is sleeved on the periphery of the fixing piece 9, then the knob 10 is connected with the top of the fixing piece 9 in a threaded manner, the tapered column 15 is driven to extend between the two supporting pieces 16, and the two supporting pieces 16 are enabled to move in a separated manner, the supporting blocks 17 arranged on the two supporting pieces 16 extend out of the fixing piece 9 and abut against the inner walls of the piston pins, the piston pins are locked rapidly, stability of the piston pins in the grinding process is maintained, and the following material is convenient.

In one embodiment, the supporting members 16 are in a strip structure, and the top of the supporting member 16 is provided with a chamfer corresponding to the slope of the conical pillar 15, so that the two supporting members 16 can be reset after the conical pillar 15 is separated by the spring 18 between the two supporting members 16.

In one embodiment, the hollow cylindrical shell bottom of the fixing member 9 is welded with a support ring 19, and the bottom of the piston pin is supported by the arrangement of the support ring 19.

In one embodiment, two supports 8 are welded on the side of the support plate 7, and the cross sections of the two supports 8 are of an L-shaped structure, so that the support effect of the support plate 7 is increased by the arrangement of the two supports 8.

In one embodiment, the outer wall surface of the operation console 1 is fixedly provided with a motor controller, and the output end of the motor controller is electrically connected with the first motor 2 and the second motor 11 respectively, so that the first motor 2 and the second motor 11 are used in the patent, the structure and the function of the operation console are not improved, the setting mode, the installation mode and the electrical connection mode of the operation console are only required to be debugged according to the requirements of the application specification of the operation console, and the operation console is not repeated herein.

In one embodiment, a number of fixtures 9 are arranged around the center of the supporting disk 7, the lower part of the grinding roller 4 extends to the left side of the supporting disk 7, and the batch grinding of the batch piston pins is facilitated by the arrangement of the number of fixtures 9.

Working principle:

When the piston pin is in use, the piston pin is sleeved on the periphery of the fixed part 9, then the knob 10 in threaded connection with the top of the fixed part 9 is rotated, the knob 10 drives the conical column 15 to extend between the two supporting parts 16, the two supporting parts 16 are moved away from each other, the supporting block 17 arranged on the two supporting parts 16 extends out of the fixed part 9 and abuts against the inner wall of the piston pin, the piston pin is quickly locked, the threaded column 5 in the transverse flat round hole 14 is driven to drive the grinding roller 4 to transversely move, then the nut 6 on the surface of the threaded column 5 is rotated to position the transversely moved grinding roller 4, the grinding roller 4 is enabled to be in contact with the outer surface of the piston pin sleeved on the fixed part 9, when in grinding, the first motor 2 on the top surface of the operating table 1 is started to drive the transmission plate 3 fixed at the output end of the grinding roller, the transmission plate 3 is enabled to drive the grinding roller 4 arranged at the bottom of the transmission plate to rotate, then the second motor 11 on the top surface of the supporting plate 7 is started to drive the large gear 13 fixed at the output end of the grinding roller, the large gear 13 drives the small gear 12 arranged on the side of the piston pin to rotate, the small gear 12 is driven to rotate, the small gear 12 is enabled to correspondingly arranged on the grinding roller 4 and the piston pin is driven to rotate along with the piston pin 9 to be in contact with the piston pin 9 when the piston pin is in full rotation, and the piston pin is set up to be in contact with the fixed state, and the piston pin is in contact with the piston pin 9 and the piston pin is in contact with the fixed part and at least has the piston pin 9.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Piston pin grinding equipment, including operation panel (1), its characterized in that: the utility model discloses a motor, including operation panel (1), support disc (7), gear wheel (12), pinion (12) are all passed through to the top of operation panel (1) through bolt fixed mounting, and first motor (2) output runs through operation panel (1) fixedly connected with drive plate (3), flat round hole (14) have been seted up to the left end of drive plate (3), and alternate in flat round hole (14) to be provided with screw thread post (5), upper portion surface threaded connection of screw thread post (5) has nut (6), and the bottom rigid coupling of screw thread post (5) has grinding roller (4), the below of drive plate (3) is provided with supporting disk (7), and the side of supporting disk (7) is through support (8) and the welding of operation panel (1) inboard bottom surface, the centre of a circle department of supporting disk (7) is through bolt fixed mounting has second motor (11), and second motor (11) output runs through supporting disk (7) fixedly connected with gear wheel (13), the edge of supporting disk (7) top surface is all a week through the bearing and is connected with a plurality of mounting (9), and pinion (12) are all passed through supporting disk (12) meshing with pinion (12).

2. A wrist pin grinding apparatus according to claim 1, wherein: the utility model discloses a hollow column shell, including fixed part (9), support piece (16), spring (18) are provided with in the hollow column shell of fixed part (9), and the metal pole of bottom welded constitutes, and the metal pole bottom of fixed part (9) links to each other with pinion (12), the hollow column shell top threaded connection of fixed part (9) has knob (10), and the bottom rigid coupling of knob (10) has awl post (15), awl post (15) comprise cylindrical part and the taper part of bottom, the inside two support pieces (16) that are provided with of hollow column shell of fixed part (9), and be provided with spring (18) between two support pieces (16), and the one side that two support pieces (16) are on the back of the body all welds and support piece (17), the hollow column shell surface of fixed part (9) corresponds support piece (17) and offers the mouth of stepping down.

3. A wrist pin grinding apparatus according to claim 2, characterized in that: the supporting piece (16) is of a strip-shaped structure, and the top of the supporting piece (16) is provided with a bevel corresponding to the slope surface of the conical column (15).

4. A wrist pin grinding apparatus according to claim 2, characterized in that: the bottom of the hollow column shell of the fixing piece (9) is welded with a supporting ring (19).

5. A wrist pin grinding apparatus according to claim 1, wherein: two supports (8) are welded on the side face of the supporting disc (7), and the sections of the two supports (8) are of L-shaped structures.

6. A wrist pin grinding apparatus according to claim 1, wherein: the outer wall surface of the operating platform (1) is fixedly provided with a motor controller, and the output end of the motor controller is electrically connected with the first motor (2) and the second motor (11) respectively.

7. A wrist pin grinding apparatus according to claim 1, wherein: the fixing pieces (9) are arranged around the circle center of the supporting disc (7), and the lower part of the grinding roller (4) extends to the left side of the supporting disc (7).