CN212496844U

CN212496844U - Piston pin outer circular surface precision grinding equipment

Info

Publication number: CN212496844U
Application number: CN202021344469.4U
Authority: CN
Inventors: 王振华
Original assignee: Jiangxi Shengrui Machinery Parts Co ltd
Current assignee: Jiangxi Shengrui Machinery Parts Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-02-09
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to a precise grinding device for the outer circular surface of a piston pin, which comprises a bottom plate, wherein the right side of the top of the bottom plate is fixedly connected with a first motor box, the rear side of the first motor box is connected with a positioning pipe, the rear side of the positioning pipe is provided with a second motor, the right side of the second motor box is connected with a grinding disc, a first motor is arranged in the first motor box, a second motor is arranged in the second motor box, the positioning tube comprises a first limiting disc and a sleeve, the left side of the first limiting disc is fixedly connected with the right end of the sleeve, the inner part of the sleeve is connected with a positioning screw in a threaded manner, the left end of the positioning screw is fixedly connected with a second limiting disc, the piston pin is sleeved on the outer wall of the sleeve, the piston pin can be conveniently taken out after the processing is finished, the operation and the structure are simpler, the piston pin can be integrated with the whole equipment, and the cost of using other large-scale auxiliary equipment is avoided being additionally increased.

Description

Piston pin outer circular surface precision grinding equipment

Technical Field

The utility model relates to an outer disc precision grinding equipment of piston pin belongs to machining technical field.

Background

Because the piston pin is for high strength, high service speed articles for use, especially the surface of piston pin needs resistant punching press and friction, so the surface cross-section of piston pin need be close absolute circular in order to improve the intensity of surface and reduce coefficient of friction, increase its life, in order to practice thrift use cost, often adopt the mode of direct rotation grinding at traditional surface rounding in-process, the mode of getting of piston pin is complicated under this condition, the structure of spraying the cooling water simultaneously can not combine together with grinding equipment, thereby the manufacturing cost of equipment has been increased, for this, provide a piston pin excircle face precision grinding equipment.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, provides an outer disc precision grinding equipment of piston pin, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a piston pin outer disc precision grinding equipment, includes the bottom plate, the first motor case of bottom plate top right side fixedly connected with, first motor case rear side is connected with the registration arm, the registration arm rear side is equipped with the second motor case, second motor case right side is connected with the grinding dish, first motor incasement portion is equipped with first motor, the inside second motor that is equipped with of second motor case, the registration arm includes first spacing dish, sleeve pipe, first spacing dish left side and sleeve pipe right-hand member fixed connection, the inside threaded connection of sleeve pipe has positioning screw, positioning screw left end fixedly connected with second spacing dish, the cover is equipped with the piston pin on the sleeve pipe outer wall, the bottom plate top is dug and is equipped with the rectangle recess, be equipped with the raceway between the rectangle recess inner wall, raceway top equidistance is equipped with the shower nozzle.

As a further description of the above scheme, the output shaft of the first motor penetrates through the first motor box, and the output shaft of the first motor is fixedly connected with the right side of the first limiting disc.

As a further description of the above solution, the output shaft of the second motor penetrates through the right side of the second motor box and is fixedly connected with the left side of the grinding disc.

As a further description of the above scheme, two ends of the rectangular groove penetrate through two sides of the bottom plate, and the water delivery pipe is located right below the space between the piston pin and the grinding disc.

As a further description of the above scheme, the two ends of the water pipe are fixedly connected with mounting plates, the mounting plates are both fixedly connected with the inner wall of the rectangular groove, and the right end of the water pipe penetrates through the right mounting plate and is connected with a hose in a penetrating manner.

As a further description of the above scheme, the thickness of the grinding disc is equal to the length of the piston pin, and the inner walls of the first limiting disc and the second limiting disc are both provided with anti-skid cushion layers.

The utility model discloses beneficial effect:

1. the sleeve and the positioning screw are arranged, so that the first limiting disc and the second limiting disc clamp and fix the left side and the right side of the piston pin, the piston pin can be conveniently taken out after the processing is finished, and the operation and the structure are simpler;

2. the water pipe and the spray heads are arranged, the piston pin which is ground is cooled by water sprayed by the spray heads, and meanwhile, the water pipe is arranged in the rectangular groove of the bottom plate, so that the water pipe can be integrated with the whole equipment, and the additional increase of the cost for using other large-scale auxiliary equipment is avoided;

3. through setting up the rectangle recess, can collect shower nozzle spun cooling water, then flow out from rectangle recess both sides, avoid liquid to remain on the bottom plate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is an appearance structure side view of the piston pin outer circular surface precision grinding equipment of the utility model.

Fig. 2 is a schematic view of the expansion structure of the positioning tube of the piston pin outer circular surface precision grinding device of the present invention.

Fig. 3 is a top view of a bottom plate of the piston pin outer circular surface precision grinding device of the present invention.

Reference numbers in the figures: 1. a base plate; 2. a first motor case; 3. a positioning tube; 4. a second motor case; 5. grinding the disc; 6. a first motor; 7. a second motor; 8. a first limiting disc; 9. a sleeve; 10. positioning a screw rod; 11. a second limiting disc; 12. a piston pin; 13. a rectangular groove; 14. a water delivery pipe; 15. a spray head; 16. mounting a plate; 17. a hose.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the precise grinding equipment for the outer circular surface of the piston pin comprises a bottom plate 1, wherein a first motor box 2 is fixedly connected to the right side of the top of the bottom plate 1, a positioning pipe 3 is connected to the rear side of the first motor box 2, a second motor box 4 is arranged on the rear side of the positioning pipe 3, a grinding disc 5 is connected to the right side of the second motor box 4, a first motor 6 is arranged inside the first motor box 2, a second motor 7 is arranged inside the second motor box 4, an output shaft of the second motor 7 penetrates through the right side of the second motor box 4 and is fixedly connected with the left side of the grinding disc 5, the positioning pipe 3 comprises a first limiting disc 8 and a sleeve 9, the left side of the first limiting disc 8 is fixedly connected with the right end of the sleeve 9, an output shaft of the first motor 6 penetrates through the first motor box 2, the output shaft of the first motor 6 is fixedly connected with the right side of the first limiting disc 8, and a positioning screw 10 is in threaded connection with the sleeve 9, by arranging the sleeve 9 and the positioning screw 10, when a piston pin 12 to be processed is assembled, the piston pin 12 can be sleeved in the sleeve 9, and then the positioning screw 10 is in threaded connection with the inner wall of the sleeve 9, so that the first limiting disc 8 and the second limiting disc 11 can clamp and fix the left side and the right side of the piston pin 12, the piston pin 12 can be conveniently taken out after processing is finished, the operation and the structure are simpler, the second limiting disc 11 is fixedly connected with the left end of the positioning screw 10, the piston pin 12 is sleeved on the outer wall of the sleeve 9, the rectangular groove 13 is dug at the top of the bottom plate 1, cooling water sprayed by the spray heads 15 can be collected by arranging the rectangular groove 13 and then flows out from the two sides of the rectangular groove 13, so that liquid is prevented from remaining on the bottom plate 1, a water conveying pipe 14 is arranged between the inner walls of the rectangular groove 13, and, through setting up raceway 14 and shower nozzle 15, connect the water pump at hose 17 and carry the cooling water to raceway 14 in, can utilize shower nozzle 15 spun water to cool off the piston pin 12 carrying out the grinding, raceway 14 sets up inside the rectangle recess 13 of bottom plate 1 simultaneously, can with whole equipment integration, avoids additionally increasing the cost of using other large-scale auxiliary assembly.

Specifically, as shown in fig. 3, both ends of the rectangular groove 13 penetrate through both sides of the bottom plate 1, and the water pipe 14 is located right below the space between the piston pin 12 and the grinding disc 5.

Specifically, as shown in fig. 3, two ends of the water pipe 14 are fixedly connected with mounting plates 16, the mounting plates 16 are fixedly connected with the inner wall of the rectangular groove 13, and the right end of the water pipe 14 penetrates through the right mounting plate 16 and is connected with a hose 17 in a penetrating manner.

Specifically, as shown in fig. 2, the thickness of the grinding disc 5 is equal to the length of the piston pin 12, and the inner walls of the first limiting disc 8 and the second limiting disc 11 are both provided with anti-skid pad layers.

The utility model discloses when using, external power source and controlgear are connected respectively to first motor 6 and second motor 7, locate sleeve pipe 9 outside with 12 covers of piston pin, then utilize positioning screw 10 and the threaded connection of sleeve pipe 9 inner wall, thereby it is fixed to make first spacing dish 8 and the spacing dish 11 of second carry out the centre gripping to the piston pin 12 left and right sides, start first motor 6 and second motor 7 simultaneously, make first motor 6 drive piston pin 12 rotatory while, second motor 7 drives 5 high-speed rotations of grinding dish and wholly polish piston pin 12, hose 17 connects the water pump and carries the cooling water to raceway 14 in, can utilize shower nozzle 15 spun water to cool off the piston pin 12 carrying out the grinding, rectangle recess 13 is collected 15 spun cooling water, then flow from rectangle recess 13 both sides.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The precise grinding equipment for the outer circular surface of the piston pin comprises a bottom plate (1) and is characterized in that a first motor box (2) is fixedly connected to the right side of the top of the bottom plate (1), a positioning pipe (3) is connected to the rear side of the first motor box (2), a second motor box (4) is arranged on the rear side of the positioning pipe (3), a grinding disc (5) is connected to the right side of the second motor box (4), a first motor (6) is arranged inside the first motor box (2), a second motor (7) is arranged inside the second motor box (4), the positioning pipe (3) comprises a first limiting disc (8) and a sleeve (9), the left side of the first limiting disc (8) is fixedly connected with the right end of the sleeve (9), a positioning screw (10) is connected to the inner thread of the sleeve (9), and a second limiting disc (11) is fixedly connected to the left end of the positioning screw (10), the piston pin (12) is sleeved on the outer wall of the sleeve (9), the rectangular grooves (13) are dug in the top of the bottom plate (1), water conveying pipes (14) are arranged between the inner walls of the rectangular grooves (13), and spray heads (15) are arranged on the top ends of the water conveying pipes (14) at equal intervals.

2. The piston pin outer circular surface precision grinding apparatus according to claim 1, wherein: an output shaft of the first motor (6) penetrates through the first motor box (2), and the output shaft of the first motor (6) is fixedly connected with the right side of the first limiting disc (8).

3. The piston pin outer circular surface precision grinding apparatus according to claim 1, wherein: and an output shaft of the second motor (7) penetrates through the right side of the second motor box (4) and is fixedly connected with the left side of the grinding disc (5).

4. The piston pin outer circular surface precision grinding apparatus according to claim 1, wherein: two ends of the rectangular groove (13) penetrate through two sides of the bottom plate (1), and the water delivery pipe (14) is located right below the space between the piston pin (12) and the grinding disc (5).

5. The piston pin outer circular surface precision grinding apparatus according to claim 1, wherein: the mounting plates (16) are fixedly connected to the two ends of the water conveying pipe (14), the mounting plates (16) are fixedly connected with the inner wall of the rectangular groove (13), the right end of the water conveying pipe (14) penetrates through the right side of the mounting plates (16), and the hose (17) is connected in a penetrating mode.

6. The piston pin outer circular surface precision grinding apparatus according to claim 1, wherein: the thickness of the grinding disc (5) is equal to the length of the piston pin (12), and anti-skid cushion layers are arranged on the inner walls of the first limiting disc (8) and the second limiting disc (11).