CN219026711U

CN219026711U - Clamp for pin shaft production

Info

Publication number: CN219026711U
Application number: CN202223302726.XU
Authority: CN
Inventors: 骆振云
Original assignee: Yuhuan Xingguang Machinery Co ltd
Current assignee: Yuhuan Xingguang Machinery Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-16
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a clamp for pin shaft production, and belongs to the technical field of pin shaft production clamps. The utility model provides a anchor clamps are used in round pin axle production, includes the base, be equipped with the positioning mechanism that carries out the location to the round pin axle on the base, be located on the base positioning mechanism's left side be equipped with positioning mechanism complex buckling mechanism, be located on the base positioning mechanism's rear is equipped with the work mechanism that carries out the processing to the round pin axle. The utility model can realize the positioning drilling work of the pin shafts with various outer diameters and different sizes, buffer the vibration generated in the pin shaft drilling process and ensure the pin shaft drilling precision.

Description

Clamp for pin shaft production

Technical Field

The utility model belongs to the technical field of pin shaft production clamps, and particularly relates to a clamp for pin shaft production.

Background

In order to be connected with components such as a crankshaft and a cam, when the pin shaft is produced, holes perpendicular to the axis are drilled on the pin shaft through the clamp, the machining efficiency of the pin shaft is not guaranteed, the existing clamp also has the property of simultaneously drilling holes for a plurality of pin shafts, but when the pin shaft is drilled, the existing clamp is poor in stability, the drilling precision is affected by vibration when the pin shaft is drilled, and the existing clamp cannot meet the requirement of synchronous drilling work of the pin shafts with different outer diameter sizes.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the fixture for pin shaft production, which can realize the positioning and drilling work of pin shafts with various outer diameters and different sizes, buffer vibration generated in the pin shaft drilling process and ensure the pin shaft drilling precision.

The clamp for pin shaft production comprises a base, wherein a positioning mechanism for positioning a pin shaft is arranged on the base, a buckling mechanism matched with the positioning mechanism is arranged on the left side of the positioning mechanism on the base, and a working mechanism for processing the pin shaft is arranged behind the positioning mechanism on the base.

Preferably, the positioning mechanism is provided with a first positioning part and a second positioning part from front to back along the width direction of the base, and the width of the first positioning part is smaller than that of the second positioning part.

Preferably, the first positioning part comprises a first positioning block arranged on the base along the length direction of the base, the second positioning part comprises a second positioning block arranged on the base along the length direction of the base, at least two semicircular grooves are respectively arranged on the first positioning block and the second positioning block, the semicircular grooves are arranged along the width direction of the base, a first rubber pad is arranged in each semicircular groove on the first positioning block, and a second rubber pad is arranged in each semicircular groove on the second positioning block.

Preferably, the pushing plate is slidably connected to the first positioning block, and a handle connected with the pushing plate is arranged at one end, away from the second positioning block, of the first positioning block.

Preferably, two clamping grooves are respectively arranged in the semicircular groove of the first positioning block and the semicircular groove of the second positioning block, and a limiting plate is detachably arranged between the clamping groove in the semicircular groove of the first positioning block and the corresponding clamping groove in the semicircular groove of the second positioning block.

Preferably, the buckling mechanism comprises a driving motor arranged on the base, a worm is arranged at the output end of the driving motor, a worm wheel matched with the worm is arranged on one side, close to the center line of the base, of the worm on the base, a cylinder is arranged on a worm wheel shaft, and a pressing plate matched with the positioning mechanism is arranged on a piston rod of the cylinder.

Preferably, a third rubber pad is detachably arranged on the end face of one side, facing the base, of the pressing plate.

Preferably, the working mechanism comprises two hydraulic cylinders arranged on the base, a control platform is arranged on a piston cylinder of each hydraulic cylinder, and at least two drill bits for drilling the pin shaft are arranged on the control platform.

Compared with the prior art, the utility model has the advantages that:

1. through the setting of first rubber pad, second rubber pad and third rubber pad, on the one hand increased the external friction that waits to process the round pin axle and received, improved the stability of round pin axle settling between positioning mechanism and buckling mechanism, on the other hand can cushion the vibration that the round pin axle received in the processing, not only improved the stability of round pin axle settling again, guaranteed the round pin axle drilling precision moreover.

2. Through the setting of push pedal in the first locating block, the staff can utilize the push pedal to adjust the position of round pin axle on positioning mechanism according to the drilling position of round pin axle, compares with the manual regulation of round pin axle position, has guaranteed the position control precision, and then has guaranteed the drilling precision of round pin axle.

3. The buckling mechanism rotates and adjusts through the worm and gear, and the self-locking performance of the worm and gear is utilized, so that the compression effect of the buckling mechanism on the pin shaft is improved again.

4. Through the arrangement of the clamping groove, the limiting plate and the rubber pad between the first positioning block and the second positioning block, the clamp can be adapted to the pin shafts with different outer diameters for clamping.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view of the front view of the present utility model.

Fig. 3 is a right-hand cross-sectional view of the present utility model.

Fig. 4 is an enlarged partial schematic view of fig. 3 a in accordance with the present utility model.

The reference numerals in the figures illustrate:

10. a base; 11. a first positioning block; 12. a second positioning block; 13. a push plate; 14. a handle; 15. a first rubber pad; 16. a second rubber pad; 17. a limiting plate; 18. a hydraulic cylinder; 19. a control platform; 20. a drill bit; 21. a driving motor; 22. a worm; 23. a worm wheel; 24. a cylinder; 25. a pressing plate; 26. and a third rubber pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

First embodiment: referring to fig. 1-4, a clamp for pin shaft production includes a base 10, wherein a buckling mechanism and a positioning mechanism are sequentially arranged on the base 10 from left to right along the length direction of the base 10, and a working mechanism is arranged on the base 10 and located behind the positioning mechanism;

the positioning mechanism is used for positioning the pin shaft for drilling, the buckling mechanism is matched with the positioning mechanism to realize clamping of the pin shaft, and the working mechanism is used for drilling the pin shaft after clamping.

In this embodiment, the positioning mechanism includes a first positioning portion and a second positioning portion, which are disposed from front to back in the width direction of the base 10, and the width of the first positioning portion is smaller than that of the second positioning portion.

Further, the first positioning part comprises a first positioning block 11 arranged on the base 10 along the length direction of the base 10, the second positioning part comprises a second positioning block 12 arranged on the base 10 along the length direction of the base 10, at least two semicircular grooves are respectively arranged on the first positioning block 11 and the second positioning block 12, the semicircular grooves are arranged along the width direction of the base 10, a first rubber pad 15 is arranged in the semicircular groove on the first positioning block 11, and a second rubber pad 16 is arranged in the semicircular groove on the second positioning block 12;

further, a push plate 13 is slidably connected to the first positioning block 11, and a handle 14 connected with the push plate 13 is arranged at one end of the first positioning block 11 away from the second positioning block 12;

further, two clamping grooves are respectively arranged in the semicircular groove of the first positioning block 11 and the semicircular groove of the second positioning block 12, and a limiting plate 17 is detachably arranged between the clamping groove in the semicircular groove of the first positioning block 11 and the corresponding clamping groove in the semicircular groove of the second positioning block 12.

The buckling mechanism comprises a driving motor 21 arranged on the base 10, a worm 22 is arranged at the output end of the driving motor 21, a worm wheel 23 matched with the worm 22 is arranged on one side, close to the center line of the base 10, of the worm 22 on the base 10, a cylinder 24 is arranged on the worm wheel 23, and a pressing plate 25 matched with the positioning mechanism is arranged on a piston rod of the cylinder 24;

further, a third rubber pad 26 is detachably disposed on one side end surface of the pressing plate 25 facing the base 10.

The working mechanism comprises two hydraulic cylinders 18 arranged on the base 10, a control platform 19 is arranged on a piston cylinder of the two hydraulic cylinders 18, and at least two drill bits 20 for drilling the pin shaft are arranged on the control platform 19.

Before the pin shaft is drilled, selecting an adaptive limiting plate 17 to be arranged in clamping grooves corresponding to the first positioning block 11 and the second positioning block 12, after the limiting plate 17 is arranged, respectively placing a first rubber pad 15 and a second rubber pad 16 in the first positioning block 11 and the second positioning block 12, then placing the pin shaft to be processed in semicircular grooves corresponding to the first positioning block 11 and the second positioning block 12, rotating a handle 14 according to the position of the pin shaft to be drilled, and adjusting the position of a push plate 13 in the first positioning block 11 so as to control the position of the pin shaft to be drilled to be positioned under a drill bit 20;

after the pin shaft is installed, starting a driving motor 21, driving a pressing plate 25 to rotate to the position right above a second positioning block 12 by the driving motor 21 through transmission between a worm 22 and a worm wheel 23, and then starting a cylinder 24, wherein a piston rod of the cylinder 24 controls the pressing plate 25 to squeeze the pin shaft to be processed, so that the pin shaft is clamped on a positioning mechanism;

after the pin shaft completes the clamping work, the working mechanism is started, and the drill bit 20 of the working mechanism completes the drilling work of the pin shaft.

Through the setting of first rubber pad, second rubber pad and third rubber pad, on the one hand increased the external friction that waits to process the round pin axle and received, improved the stability of round pin axle settling between positioning mechanism and buckling mechanism, on the other hand can cushion the vibration that the round pin axle received in the processing, not only improved the stability of round pin axle settling again, guaranteed the round pin axle drilling precision moreover.

Through the setting of push pedal in the first locating block, the staff can utilize the push pedal to adjust the position of round pin axle on positioning mechanism according to the drilling position of round pin axle, compares with the manual regulation of round pin axle position, has guaranteed the position control precision, and then has guaranteed the drilling precision of round pin axle.

The buckling mechanism rotates and adjusts through the worm and gear, and the self-locking performance of the worm and gear is utilized, so that the compression effect of the buckling mechanism on the pin shaft is improved again.

Through the arrangement of the clamping groove, the limiting plate and the rubber pad between the first positioning block and the second positioning block, the clamp can be adapted to the pin shafts with different outer diameters for clamping.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

Claims

1. The utility model provides a anchor clamps are used in round pin axle production, includes base (10), its characterized in that: the positioning mechanism for positioning the pin shaft is arranged on the base (10), a buckling mechanism matched with the positioning mechanism is arranged on the left side of the positioning mechanism on the base (10), and a working mechanism for processing the pin shaft is arranged behind the positioning mechanism on the base (10).

2. The fixture for pin shaft production according to claim 1, wherein: the positioning mechanism is provided with a first positioning part and a second positioning part from front to back along the width direction of the base (10), and the width of the first positioning part is smaller than that of the second positioning part.

3. The fixture for pin shaft production according to claim 2, wherein: the first positioning part comprises a first positioning block (11) arranged on the base (10) along the length direction of the base (10), the second positioning part comprises a second positioning block (12) arranged on the base (10) along the length direction of the base (10), at least two semicircular grooves are respectively arranged on the first positioning block (11) and the second positioning block (12), the semicircular grooves are arranged along the width direction of the base (10), a first rubber pad (15) is arranged in each semicircular groove on the first positioning block (11), and a second rubber pad (16) is arranged in each semicircular groove on the second positioning block (12).

4. A pin production jig according to claim 3, wherein: the push plate (13) is slidably connected to the first positioning block (11), and a handle (14) connected with the push plate (13) is arranged at one end, away from the second positioning block (12), of the first positioning block (11).

5. A pin production jig according to claim 3, wherein: two clamping grooves are respectively arranged in the semicircular groove of the first positioning block (11) and the semicircular groove of the second positioning block (12), and a limiting plate (17) is detachably arranged between the clamping groove in the semicircular groove of the first positioning block (11) and the corresponding clamping groove in the semicircular groove of the second positioning block (12).

6. The fixture for pin shaft production according to claim 1, wherein: the buckling mechanism comprises a driving motor (21) arranged on the base (10), a worm (22) is arranged at the output end of the driving motor (21), a worm wheel (23) matched with the worm (22) is arranged on one side, close to the center line of the base (10), of the worm (22) on the base (10), an air cylinder (24) is arranged on the worm wheel (23) shaft, and a pressing plate (25) matched with the positioning mechanism is arranged on a piston rod of the air cylinder (24).

7. The fixture for pin shaft production according to claim 6, wherein: a third rubber pad (26) is detachably arranged on one side end face, facing the base (10), of the pressing plate (25).

8. The fixture for pin shaft production according to claim 1, wherein: the working mechanism comprises two hydraulic cylinders (18) arranged on the base (10), control platforms (19) are arranged on piston cylinders of the two hydraulic cylinders (18), and at least two drill bits (20) for drilling the pin shaft are arranged on the control platforms (19).