CN216152094U

CN216152094U - Piston pin clamping device for automatic chamfering of piston pin

Info

Publication number: CN216152094U
Application number: CN202121912472.6U
Authority: CN
Inventors: 文忠华; 张冰彬; 蔡灵; 刘昊翔; 刘遥; 陆鹏
Original assignee: Zhuzhou Torch Mechanical Manufacturing Co ltd
Current assignee: Zhuzhou Torch Mechanical Manufacturing Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-04-01
Anticipated expiration: 2031-08-16

Abstract

The utility model provides a piston pin clamping device for automatic chamfering of a piston pin, and relates to the technical field of piston pins. The piston pin body can be tightly fixed through the matching of the connecting plate, the non-slip mat, the inclined block, the cross-shaped hole block, the fixing bolt, the cylindrical block and the first rectangular block, the first rectangular block can be tightly fixed on the cross-shaped hole block through the matching of the cylindrical block and the fixing bolt, meanwhile, the clamping device can adapt to the piston pin bodies with different sizes through the matching of the cross-shaped hole block and the first rectangular block, the operation is simple, the fixing effect is good, and the use efficiency of the processing device body is improved.

Description

Piston pin clamping device for automatic chamfering of piston pin

Technical Field

The utility model relates to the technical field of piston pins, in particular to a piston pin clamping device for automatic chamfering of a piston pin.

Background

The piston pin is a cylindrical pin mounted on the skirt of the piston, and its middle portion is passed through the small end hole of the connecting rod, and is used for connecting the piston and the connecting rod and transferring the gas force borne by the piston to the connecting rod. To reduce weight, piston pins are typically made of high quality alloy steel and are hollow.

In the prior art, for example, Chinese patent numbers: 202020921899A piston pin clamping device for automatic chamfering of piston pin, comprises a frame, a clamping device for clamping the piston pin is arranged on the frame, the clamping device comprises an outer sleeve and a variable-diameter tapered cylinder in the outer sleeve, the small end of the variable-diameter tapered cylinder is detachably mounted in the outer sleeve, a movable sleeve is sleeved outside the variable-diameter tapered cylinder, the inner circumferential surface of the movable sleeve is provided with an inclined surface matched with the outer circumferential surface of the variable-diameter tapered cylinder, a translation driving mechanism is arranged between the movable sleeve and the outer sleeve, and a rotation driving device is arranged between the outer sleeve and the frame; the outer peripheral face at a toper section of thick bamboo is used in the inclined plane of removal sleeve, make the diameter of a variable diameter toper section of thick bamboo reduce, thereby make the piston pin press from both sides tightly, drive the chock pin rotation at rotation drive arrangement, set up the chamfer device respectively at the both ends of the piston pin by the clamping device centre gripping, though can realize the synchronous full automatic processing in piston pin both ends, the machining efficiency of piston pin has been improved, but clamping mechanism in this patent result of use is relatively poor, and it is comparatively complicated to operate, lead to processingequipment's availability factor to reduce, therefore, need provide a novel piston pin clamping device for the automatic chamfer of piston pin.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the use efficiency of a machining device body is reduced due to poor fixing effect and complex operation of a conventional clamping mechanism in the prior art, and provides a piston pin clamping device for automatic chamfering of a piston pin.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an automatic piston pin clamping device for chamfer of piston pin, includes processingequipment body and piston pin body, the top fixed mounting of processingequipment body has two supporting shoes that are parallel to each other, two the welding has the connecting block between the relative one side of supporting shoe, cross hole piece has all been welded to the top and the bottom of connecting block, first rectangle piece has been cup jointed in the inside activity of cross hole piece, first recess has all been seted up to the top and the bottom of connecting block, the inner wall of first recess rotates through the head rod and is connected with the connecting plate, one side welding that the connecting plate is close to the supporting shoe has the sloping block, the positive surface activity of first rectangle piece has run through fixing bolt, fixing bolt has run through the cylinder piece near the one end activity of cross hole piece.

Preferably, one side of the connecting plate, which is far away from the inclined block, is provided with an anti-slip pad, and one end of the first rectangular block, which is close to the inclined block, is rotatably connected to the groove of the inclined block, which is close to the first rectangular block, through a second connecting rod.

Preferably, one end of the fixing bolt close to the cylindrical block is movably sleeved in the cross-shaped hole block in a sliding mode, and a graduated scale is arranged on the front surface of the connecting block.

Preferably, electric telescopic handle is installed at the top of processingequipment body, electric telescopic handle's flexible end welding has the arc piece.

Preferably, the front surface of the first rectangular block above is welded with a first L-shaped block, the front surface of the first rectangular block below is welded with a second L-shaped block, and the front surface of the second L-shaped block is welded with a T-shaped rod.

Preferably, the front surface of the first L-shaped block is provided with a first through hole matched with the moving track of the T-shaped rod, and the T-shaped rod is movably sleeved inside the first through hole.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the piston pin body can be tightly fixed through the matching of the connecting plate, the non-slip mat, the inclined block, the cross-shaped hole block, the fixing bolt, the cylindrical block and the first rectangular block, the first rectangular block can be tightly fixed on the cross-shaped hole block through the matching of the cylindrical block and the fixing bolt, meanwhile, the clamping device can adapt to piston pin bodies with different sizes through the matching of the cross-shaped hole block and the first rectangular block, the operation is simple, the fixing effect is good, and the use efficiency of the processing device body is improved.

2. According to the utility model, the height of the piston pin body can be adjusted by matching the electric telescopic rod with the arc-shaped block, so that the piston pin body can be conveniently clamped by the clamping mechanism, the upper and lower first rectangular blocks can be synchronously moved by matching the first L-shaped block, the second L-shaped block and the T-shaped block, the clamped piston pin body can be fixed at the middle position of the processing device body under the action of the graduated scale, the accuracy of automatic chamfering of the piston pin body is ensured, the structure is simple, and the quality of the processed piston pin body is effectively improved.

Drawings

FIG. 1 is a perspective view of a piston pin retainer for automatic piston pin chamfering according to the present invention;

FIG. 2 is a perspective view, partially in section, of a piston pin retainer for automatic piston pin chamfering in accordance with the present invention;

FIG. 3 is a partial perspective view of a piston pin retainer for automatic piston pin chamfering in accordance with the present invention;

FIG. 4 is a cut away perspective view of a rectangular cylindrical groove block of a piston pin retainer for automatic piston pin chamfering according to the present invention.

Illustration of the drawings: 1. a processing device body; 2. a support block; 3. connecting blocks; 4. a cross-shaped hole block; 5. a first rectangular block; 6. a first groove; 7. a connecting plate; 8. a sloping block; 9. fixing the bolt; 10. a cylindrical block; 11. a piston pin body; 12. an electric telescopic rod; 13. an arc-shaped block; 14. a first L-shaped block; 15. a second L-shaped block; 16. t-shaped rod.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 4, the utility model provides a piston pin clamping device for automatic chamfering of a piston pin, which comprises a processing device body 1 and a piston pin body 11, wherein two parallel supporting blocks 2 are fixedly installed at the top of the processing device body 1, a connecting block 3 is welded between opposite sides of the two supporting blocks 2, a scale is arranged on the front surface of the connecting block 3, cross-shaped hole blocks 4 are welded at the top and the bottom of the connecting block 3, a first rectangular block 5 is movably sleeved inside the cross-shaped hole block 4, one end of the first rectangular block 5, which is close to an inclined block 8, is rotatably connected to a groove of the inclined block 8, which is close to the first rectangular block 5, through a second connecting rod, first grooves 6 are formed at the top and the bottom of the connecting block 3, a connecting plate 7 is rotatably connected to the inner wall of the first groove 6 through the first connecting rod, and an anti-skid pad is arranged on one side, which is far away from the inclined block 8, of the connecting plate 7, the welding of one side that connecting plate 7 is close to supporting shoe 2 has sloping block 8, and the positive surface activity of first rectangular block 5 runs through there is fixing bolt 9, and the one end slip activity that fixing bolt 9 is close to cylinder piece 10 cup joints in the inside of cross hole piece 4, and the one end activity that fixing bolt 9 is close to cross hole piece 4 runs through cylinder piece 10.

The effect of the whole embodiment 1 is that, when the piston pin body 11 needs to be automatically chamfered by using the processing device body 1, the fixing bolt 9 is firstly loosened, then the piston pin body 11 is placed in the middle position of the processing device body 1, then the two first rectangular blocks 5 are moved according to the size of the piston pin body 11, the two moved first rectangular blocks 5 can drive the inclined blocks 8 to move through the second connecting rod, the two moved inclined blocks 8 can drive the connecting plate 7 to rotate inside the first groove 6 through the first connecting rod, when the two moved connecting plates 7 drive the anti-slip pad to contact with the surface of the piston pin body 11, the two first rectangular blocks 5 are continuously moved, when the piston pin body 11 is tightly fixed, only the fixing bolt 9 needs to be tightly screwed, and the piston pin body 11 can be automatically chamfered by using the automatic chamfering mechanism on the processing device body 1, the operation is simple, the fixing effect is good, and the using effect of the processing device body 1 is improved.

Embodiment 2, as shown in fig. 1-4, electric telescopic handle 12 is installed at the top of processingequipment body 1, the flexible end welding of electric telescopic handle 12 has arc piece 13, the first L type piece 14 of the positive surface welding of the first rectangle piece 5 in top, the second L type piece 15 of the positive surface welding of the first rectangle piece 5 in below, the T type pole 16 of the positive surface welding of second L type piece 15, the first through-hole with the 16 moving trajectory looks adaptations of T type pole is seted up on the positive surface of first L type piece 14, and the inside at first through-hole is cup jointed in the activity of T type pole 16.

The effect that its whole embodiment 2 reaches does, need to add man-hour when piston pin body 11, at first place piston pin body 11 on arc piece 13, start electric telescopic handle 12 after that, electric telescopic handle 12 drives piston pin body 11 through arc piece 13 and carries out the vertical migration, when piston pin body 11 removes the intermediate position of processingequipment body 1, close electric telescopic handle 12, later rethread first L type piece 14, second L type piece 15 and T type pole 16, can drive simultaneously and remove for upper and lower first rectangle piece 5, cooperation through the scale, can make piston pin body 11 tightly fixed the intermediate position at processingequipment body 1, improve the quality after piston pin body 11 processes.

The processing device body 1 and the electric telescopic rod 12 are both prior art, and will not be explained herein too much.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides an automatic piston pin clamping device for chamfer of piston pin, includes processingequipment body (1) and piston pin body (11), its characterized in that: the top of the processing device body (1) is fixedly provided with two parallel supporting blocks (2), a connecting block (3) is welded between the opposite sides of the two supporting blocks (2), the top and the bottom of the connecting block (3) are both welded with cross-shaped hole blocks (4), a first rectangular block (5) is movably sleeved in the cross-shaped hole block (4), the top and the bottom of the connecting block (3) are both provided with a first groove (6), the inner wall of the first groove (6) is rotationally connected with a connecting plate (7) through a first connecting rod, one side of the connecting plate (7) close to the supporting block (2) is welded with an inclined block (8), a fixed bolt (9) is movably penetrated through the front surface of the first rectangular block (5), one end of the fixing bolt (9) close to the cross-shaped hole block (4) is movably penetrated with a cylindrical block (10).

2. A piston pin retainer for automatic piston pin chamfering according to claim 1, wherein: one side of the connecting plate (7) far away from the inclined block (8) is provided with an anti-slip pad, and one end of the first rectangular block (5) close to the inclined block (8) is rotatably connected to the groove of the inclined block (8) close to the first rectangular block (5) through a second connecting rod.

3. A piston pin retainer for automatic piston pin chamfering according to claim 1, wherein: one end of the fixing bolt (9) close to the cylindrical block (10) is movably sleeved in the cross-shaped hole block (4) in a sliding mode, and a graduated scale is arranged on the front surface of the connecting block (3).

4. A piston pin retainer for automatic piston pin chamfering according to claim 1, wherein: electric telescopic handle (12) are installed at the top of processingequipment body (1), electric telescopic handle (12)'s flexible end welding has arc piece (13).

5. A piston pin retainer for automatic piston pin chamfering according to claim 1, wherein: the square welding has first L type piece (14) in the positive surface welding of first rectangle piece (5), and the below the positive surface welding of first rectangle piece (5) has second L type piece (15), the positive surface welding of second L type piece (15) has T type pole (16).

6. A piston pin retainer for automatic piston pin chamfering according to claim 5, wherein: the front surface of the first L-shaped block (14) is provided with a first through hole matched with the moving track of the T-shaped rod (16), and the T-shaped rod (16) is movably sleeved inside the first through hole.