CN110732736B

CN110732736B - Tapping equipment for piston rod of automobile shock absorber and operation method

Info

Publication number: CN110732736B
Application number: CN201910857862.9A
Authority: CN
Inventors: 张彦磊
Original assignee: Nanjing Jiesi Automobile Technology Co ltd
Current assignee: Ningbo Jinghengtai Automotive Parts Co.,Ltd.
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2021-02-09
Anticipated expiration: 2039-09-11
Also published as: CN110732736A

Abstract

The invention belongs to the technical field of automobile part machining, and particularly relates to tapping equipment for a piston rod of an automobile shock absorber. This tapping equipment and operating method of automobile shock absorber piston rod uses through the cooperation of pay-off transmission band, go up the work or material rest, tapping mechanism steady rest, circular lathe tool, thorn angle lathe tool and piston rod clamping mechanism, makes this equipment add man-hour to the piston rod, whole work flows such as from material loading, processing and unloading all need not manual operation, labour saving and time saving not only need not to occupy too much manpower and materials, and easy and simple to handle swiftly, the staff of being convenient for uses it, make this equipment possess good practicality.

Description

Tapping equipment for piston rod of automobile shock absorber and operation method

Technical Field

The invention belongs to the technical field of automobile part machining, and particularly relates to tapping equipment for an automobile shock absorber piston rod.

Background

In order to make the vibration of the frame and the automobile body attenuate rapidly, improve the ride comfort and comfortableness that the car travels, the bumper shock absorber is generally equipped with on the automotive suspension system, what extensively used on the car is the cylinder bumper shock absorber of two-way effect, the bumper shock absorber is the vulnerable accessory in the car use, the bumper shock absorber works well, will directly influence the stationarity that the car travels and the life-span of other parts, the piston rod is the adapting unit that supports the piston to do work, most use in hydro-cylinder, cylinder movement executive component, it is a movement part that moves frequently, technical requirement is high, take hydraulic cylinder as an example, by: the cylinder barrel, the piston rod, the piston and the end cover are formed, the service life and the reliability of the whole product are directly influenced by the quality of the machining quality of the cylinder barrel, the piston rod is high in machining requirement, and the surface roughness requirement of the piston rod is Ra0.4-0.8 mu m.

Generally, the piston rod tapping device is positioned by manually operating equipment and then processed, a large amount of manpower is needed, time and labor are wasted, and therefore the tapping device for the piston rod of the automobile shock absorber is provided.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides tapping equipment for a piston rod of an automobile shock absorber, which has the characteristic that the whole machining process does not need manual operation to machine the piston rod.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a tapping equipment of automobile shock absorber piston rod, includes operation platform, operation platform's top is provided with the pay-off transmission band, the top of pay-off transmission band is provided with the work or material rest, one side fixedly connected with tapping mechanism of operation platform upper surface stabilizes the frame, the inside of tapping mechanism steady frame is provided with the lathe tool carriage, the fixed surface of lathe tool carriage is connected with the lathe tool bracing piece, the quantity of lathe tool bracing piece is two, one of them the circular lathe tool of top fixedly connected with of lathe tool bracing piece, another the top fixedly connected with thorn angle lathe tool of lathe tool bracing piece, operation platform's top is provided with piston rod clamping mechanism.

Preferably, the two sides of the feeding frame are provided with first hydraulic telescopic rods, the output end of each first hydraulic telescopic rod is fixedly connected with a cylinder stabilizing support frame, one side of each cylinder stabilizing support frame is fixedly connected with a first pushing cylinder, the output end of each first pushing cylinder penetrates through the inside of each cylinder stabilizing support frame and is fixedly connected with a piston rod limiting clamp, and a clamping hole is formed in the piston rod limiting clamp.

Preferably, the equal fixedly connected with longitudinal slide bar in both sides of tapping mechanism steady frame, lathe tool carriage and longitudinal slide bar sliding connection, the equal fixedly connected with second hydraulic telescoping rod in both sides of tapping mechanism steady frame bottom, the output fixed connection of second hydraulic telescoping rod is in one side of lathe tool carriage.

Preferably, one side fixedly connected with slide bar support frame of operation platform upper surface, the inside fixedly connected with horizontal slide bar of slide bar support frame, one side fixedly connected with lathe tool catch bar of lathe tool bracing piece bottom, the other end of lathe tool catch bar runs through the inside of slide bar connecting block.

Preferably, the slide bar connecting block is sleeved on the outer surface of the transverse slide bar, one side inside the slide bar supporting frame is fixedly connected with a third hydraulic telescopic rod, and the output end of the third hydraulic telescopic rod is fixedly connected to one side of the slide bar connecting block.

Preferably, a piston rod chuck is arranged inside the piston rod clamping mechanism, a motor is fixedly connected to one side of the piston rod chuck, and a clamping mechanism lifting support plate is arranged at the bottom of the piston rod clamping mechanism.

Preferably, the upper surface of the clamping mechanism lifting support plate is fixedly connected with a guide sliding block, the piston rod clamping mechanism is connected with the guide sliding block in a sliding manner, and one side of the upper surface of the clamping mechanism lifting support plate is fixedly connected with a second pushing cylinder.

Preferably, one side of pay-off transmission band extends to the inside of finished product containing box, the inside of pay-off transmission band is provided with the driving part, the equal fixedly connected with of both sides of pay-off transmission band and last work or material rest stabilizes the support frame, pay-off transmission band and last work or material rest are through the upper surface of stabilizing support frame fixed connection at operation platform.

Preferably, the output end of the second pushing cylinder is fixedly connected to one side of the piston rod clamping mechanism, the bottom of the lifting support plate of the clamping mechanism is fixedly connected with a hydraulic cylinder, and the hydraulic cylinder is fixedly connected to the upper surface of the operating platform.

An operation method of tapping equipment of an automobile shock absorber piston rod is characterized in that: the method comprises the following steps:

the method comprises the following steps: firstly, an external power supply and an external air source are required to be connected, and electric energy or compressed air is respectively provided for a first hydraulic telescopic rod, a first pushing cylinder, a second hydraulic telescopic rod, a third hydraulic telescopic rod, a motor, a second pushing cylinder, a hydraulic cylinder and a driving part;

step two: the staff puts into the work or material rest with the bumper shock absorber piston rod that needs processing earlier, then pushes away the bumper shock absorber piston rod to one side of work or material rest, makes first promotion cylinder operation, can make the piston rod spacing clamp promote to the inboard of work or material rest, and the piston rod spacing clamp can cup joint the both ends at the bumper shock absorber piston rod through calorie hole, can release the bumper shock absorber piston rod from the work or material rest after the operation of first hydraulic telescoping rod.

Step three: the hydraulic cylinder is operated to drive the piston rod clamping mechanism to ascend, the second pushing cylinder is operated after the piston rod clamping mechanism ascends to the two ends of the pushed shock absorber piston rod, the piston rod clamping mechanism can be pushed after the second pushing cylinder operates, a piston rod chuck plate on one side of the piston rod clamping mechanism is clamped at the two ends of the shock absorber piston rod, then the first hydraulic telescopic rod operates, and the piston rod limiting clamp is retracted into the feeding frame;

step four: the second hydraulic telescopic rod is made to operate, the turning tool sliding frame can be pushed, so that the turning tool supporting rod is driven to enable the round turning tool and the thorn-angle turning tool to be attached to one side of the damper piston rod, then the motor is made to operate to drive the damper piston rod to rotate, so that the round turning tool and the thorn-angle turning tool can process the damper piston rod, in the processing process, the third hydraulic telescopic rod can be made to operate, the turning tool pushing rod is used for driving the round turning tool and the thorn-angle turning tool to translate, and therefore the processing area of the turning tool is enlarged;

step five: after the damper piston rod is machined, the hydraulic cylinder drives the piston rod clamping mechanism to descend until the damper piston rod descends into a finished product storage box, the second pushing cylinder is driven to separate the piston rod chuck from the damper piston rod, the damper piston rod can fall onto a feeding conveying belt inside the finished product storage box after separation, and a driving part can drive the feeding conveying belt to convey the damper piston rod to other positions, so that machining of a single damper piston rod is completed.

Compared with the prior art, the invention has the beneficial effects that:

this tapping equipment of automobile shock absorber piston rod, through the pay-off transmission band, go up the work or material rest, tapping mechanism stable frame, circular lathe tool, thorn angle lathe tool and piston rod clamping mechanism's cooperation is used, make this equipment add man-hour to the piston rod, from whole work flows such as material loading, processing and unloading all allow the manual work to operate, labour saving and time saving not only need not to occupy too much manpower and materials, and easy and simple to handle swiftly, the staff of being convenient for uses it, make this equipment possess good practicality.

This tapping equipment of automobile shock absorber ware piston rod uses through the cooperation of card hole, piston rod spacing clamp, lathe tool catch bar, slide bar connecting block, vertical slide bar and horizontal slide bar for the device is at the in-process to bumper shock absorber piston rod material loading, processing or unloading, and is more firm, thereby has improved the precision when adding man-hour to the bumper shock absorber piston rod, has improved the precision of processing, has improved the qualification rate of product, has reduced use cost.

Drawings

The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of a feeding frame according to the present invention;

FIG. 3 is a schematic perspective view of the feeding belt of the present invention;

FIG. 4 is a schematic perspective view of a piston rod clamping mechanism according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 3 according to the present invention.

In the figure: 1. an operating platform; 2. a feeding conveyor belt; 3. a feeding frame; 4. the cylinder stabilizes the support frame; 5. the tapping mechanism is fixed on the frame; 6. a turning tool sliding frame; 7. a turning tool supporting rod; 8. a circular turning tool; 9. a corner cutting tool is pricked; 10. a piston rod clamping mechanism; 11. a first hydraulic telescopic rod; 12. a first push cylinder; 13. a piston rod limiting clamp; 14. a clamping hole; 15. a longitudinal slide bar; 16. a second hydraulic telescopic rod; 17. a slide bar support frame; 18. a transverse sliding bar; 19. a lathe tool pushing rod; 20. a slide bar connecting block; 21. a third hydraulic telescopic rod; 22. a piston rod chuck; 23. a motor; 24. the clamping mechanism lifts the supporting plate; 25. a guide slider; 26. a second push cylinder; 27. a hydraulic cylinder; 28. a finished product storage box; 29. a driving member; 30. and (5) stabilizing the support frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-6, a tapping device for a piston rod of a shock absorber of an automobile, comprising an operation platform 1, wherein a feeding transmission belt 2 is arranged at the top of the operation platform 1, a feeding frame 3 is arranged above the feeding transmission belt 2, one side of the upper surface of the operation platform 1 is fixedly connected with a tapping mechanism stabilizing frame 5, a turning tool sliding frame 6 is arranged inside the tapping mechanism stabilizing frame 5, the outer surface of the turning tool sliding frame 6 is fixedly connected with turning tool supporting rods 7, the number of the turning tool supporting rods 7 is two, one of the turning tool supporting rods 7 is fixedly connected with a round turning tool 8, the other turning tool supporting rod 7 is fixedly connected with a turning tool bit 9, and the top of the operation platform 1 is provided with a piston rod clamping mechanism 10.

According to the invention, through the matched use of the feeding conveying belt 2, the feeding frame 3, the tapping mechanism stabilizing frame 5, the circular turning tool 8, the corner-piercing turning tool 9 and the piston rod clamping mechanism 10, the whole working procedures of feeding, processing, blanking and the like do not need manual operation when the equipment is used for processing a piston rod, so that the equipment is time-saving and labor-saving, does not need to occupy too much manpower and material resources, is simple, convenient and quick to operate, is convenient for a worker to use the equipment, and has good practicability.

Please refer to fig. 1 and fig. 3, a sliding slot is formed at one side of the clamping hole 14, and when the piston rod is clamped by the piston rod chuck 22, the first hydraulic telescopic rod 11 retracts the piston rod limiting clamp 13 into the feeding frame 3, so that the piston rod can slide out of the clamping hole 14 along the sliding slot, thereby preventing the piston rod from being clamped inside the clamping hole 14 and affecting the processing progress.

Please refer to fig. 2, a groove is formed inside the finished product storage box 28, after the piston rod is processed, the hydraulic cylinder 27 drives the piston rod clamping mechanism 10 to descend, the piston rod clamping mechanism 10 descends into the finished product storage box 28 along the groove, and then the clamping of the piston rod of the shock absorber is released, so that the shock absorber piston rod is prevented from being damaged due to too high descending amplitude and too large impact force during descending.

Please refer to fig. 4, the bottom of the piston rod clamping mechanism 10 is provided with a guiding slider 25, and the second pushing cylinder 26 can slide on the guiding slider 25 during pushing the piston rod clamping mechanism 10, so as to prevent the piston rod clamping mechanism 10 from deviating during sliding, and thus the two ends of the piston rod cannot be clamped.

Please refer to fig. 1 and 5, the turning tool sliding frame 6 is pushed to slide on the longitudinal sliding rod 15 after the first hydraulic telescopic rod 11 is operated, so as to avoid the turning tool sliding frame 6 from deviating, and the pushing sliding rod connecting block 20 can slide on the transverse sliding rod 18 after the third hydraulic telescopic rod 21 is operated, so that the circular turning tool 8 and the angle turning tool 9 are more stable during processing, the processing accuracy is improved, and errors are avoided.

Referring to fig. 1 to 5, a method for operating a tapping apparatus for a piston rod of a shock absorber of an automobile, comprising: the method comprises the following steps:

the method comprises the following steps: firstly, an external power source and an external air source need to be connected to respectively provide electric energy or compressed air for the first hydraulic telescopic rod 11, the first pushing cylinder 12, the second hydraulic telescopic rod 16, the third hydraulic telescopic rod 21, the motor 23, the second pushing cylinder 26, the hydraulic cylinder 27 and the driving part 29.

Step two: the staff puts into last work or material rest 3 with the bumper shock absorber piston rod that needs the processing earlier, then pushes away the bumper shock absorber piston rod to one side of last work or material rest 3, makes first promotion cylinder 12 operation, can push piston rod spacing clamp 13 to the inboard of last work or material rest 3, and piston rod spacing clamp 13 can cup joint the both ends at the bumper shock absorber piston rod through calorie hole 14, can release the bumper shock absorber piston rod from last work or material rest 3 after 11 operation of first hydraulic telescoping rod.

Step three: the hydraulic cylinder 27 is operated to drive the piston rod clamping mechanism 10 to ascend, the second pushing cylinder 26 is operated after ascending to the two ends of the pushed damper piston rod, the piston rod clamping mechanism 10 can be pushed after the second pushing cylinder 26 is operated, the piston rod chuck 22 on one side of the piston rod clamping mechanism 10 is clamped at the two ends of the damper piston rod, then the first hydraulic telescopic rod 11 is operated, and the piston rod limiting clamp 13 is retracted into the feeding frame 3.

Step four: make second hydraulic telescoping rod 16 move, can promote lathe tool carriage 6, thereby drive lathe tool bracing piece 7 and make circular lathe tool 8 and thorn angle lathe tool 9 paste to one side of this bumper shock absorber piston rod, then move through making motor 23, can drive this bumper shock absorber piston rod and rotate, thereby make this circular lathe tool 8 and thorn angle lathe tool 9 process this bumper shock absorber piston rod, at the in-process of processing, the accessible makes the operation of third hydraulic telescoping rod 21, drive circular lathe tool 8 and thorn angle lathe tool 9 through lathe tool catch bar 19 and carry out the translation, thereby enlarge the machining area of this lathe tool.

Step five: after the piston rod of the damper is processed, the hydraulic cylinder 27 is made to drive the piston rod clamping mechanism 10 to descend, until the piston rod of the damper descends into the finished product storage box 28, the second driving cylinder 26 is driven to separate the piston rod chuck 22 from the piston rod of the damper, the piston rod of the damper can fall into the feeding transmission belt 2 inside the finished product storage box 28 after separation, the driving part 29 operates to drive the feeding transmission belt 2 to transmit the piston rod of the damper to other positions, the processing of the piston rod of a single damper is completed, the whole processing flow is realized, the piston rod is not required to be processed manually, the equipment operation flow is simple and convenient, the time and labor are saved, and the working efficiency of workers is greatly improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tapping device for a piston rod of an automobile shock absorber, comprising an operating platform (1), characterized in that: the top of the operating platform (1) is provided with a feeding conveyor belt (2), and the feeding conveyor belt ( 2) A feeding rack (3) is arranged above, one side of the upper surface of the operating platform (1) is fixedly connected with a tapping mechanism stabilizer (5), and the inside of the tapping mechanism stabilizer (5) is arranged There is a turning tool sliding frame (6), the outer surface of the turning tool sliding frame (6) is fixedly connected with a turning tool support rod (7), and the number of the turning tool support rods (7) is two, one of which is A round turning tool (8) is fixedly connected to the top of the turning tool support rod (7), and an angled turning tool (9) is fixedly connected to the top of the other turning tool support rod (7). The top of 1) is provided with a piston rod clamping mechanism (10); the specific operations of the tapping equipment are as follows:

Step 1: First, it is necessary to connect the external power supply and air source, namely the first hydraulic telescopic rod (11), the first push cylinder (12), the second hydraulic telescopic rod (16), and the third hydraulic telescopic rod (21) , the motor (23), the second push cylinder (26), the hydraulic cylinder (27) and the driving element (29) provide electrical energy or compressed air;

Step 2: The staff first puts the shock absorber piston rod to be processed into the feeding frame (3), and then pushes the shock absorber piston rod to the side of the feeding frame (3), so that the first push cylinder (12) ) operation, the piston rod limit clamp (13) can be pushed to the inner side of the upper material frame (3), and the piston rod limit clamp (13) can be sleeved on both ends of the shock absorber piston rod through the clamping hole (14). After the first hydraulic telescopic rod (11) is operated, the piston rod of the shock absorber can be pushed out from the feeding rack (3);

Step 3: Make the hydraulic cylinder (27) run, which can drive the piston rod clamping mechanism (10) to rise, and after rising to the two ends of the pushed out shock absorber piston rod, make the second push cylinder (26) run, After the second pushing cylinder (26) is operated, the piston rod clamping mechanism (10) can be pushed, so that the piston rod clamping plate (22) on one side of the piston rod clamping mechanism (10) is stuck at both ends of the piston rod of the shock absorber , and then make the first hydraulic telescopic rod (11) run, and retract the piston rod limit clamp (13) back into the feeding rack (3);

Step 4: Operate the second hydraulic telescopic rod (16), which can push the turning tool sliding frame (6), thereby driving the turning tool support rod (7) to make the round turning tool (8) and the bayonet turning tool (9) stick to one side of the piston rod of the shock absorber, and then run the motor (23) to drive the piston rod of the shock absorber to rotate, so that the circular turning tool (8) and the angled turning tool (9) ) to process the piston rod of the shock absorber. In the process of processing, the circular turning tool (8) and the corner turning tool can be driven by the turning tool pushing rod (19) by operating the third hydraulic telescopic rod (21). The tool (9) is translated to expand the processing area of the turning tool;

Step 5: After the shock absorber piston rod is processed, the hydraulic cylinder (27) drives the piston rod clamping mechanism (10) to descend until the shock absorber piston rod descends into the finished product storage box (28), and drives the first 2. Push the cylinder (26) to separate the piston rod chuck (22) from the shock absorber piston rod. After separation, the shock absorber piston rod will fall into the feeding conveyor belt (2) inside the finished product storage box (28). The operation of the driving element (29) can drive the feeding conveyor belt (2) to transmit the shock absorber piston rod to other positions, so as to complete the machining of a single shock absorber piston rod.

2 . The tapping device for a piston rod of an automobile shock absorber according to claim 1 , characterized in that: both sides of the feeding frame ( 3 ) are provided with first hydraulic telescopic rods ( 11 ), so A cylinder stabilization support frame (4) is fixedly connected to the output end of the first hydraulic telescopic rod (11), and a first push cylinder (12) is fixedly connected to one side of the cylinder stabilization support frame (4). The output end of the push cylinder (12) penetrates through the interior of the cylinder stabilization support frame (4) and is fixedly connected with the piston rod limit clamp (13), and the piston rod limit clamp (13) is provided with a clamping hole (14) inside , and one side of the card hole (14) is provided with a chute.

3 . The tapping device for the piston rod of an automobile shock absorber according to claim 1 , wherein the two sides of the stable frame ( 5 ) of the tapping mechanism are fixedly connected with longitudinal sliding rods ( 15 ). 4 . The turning tool sliding frame (6) is slidably connected with the longitudinal sliding rod (15), and second hydraulic telescopic rods (16) are fixedly connected to both sides of the bottom of the tapping mechanism stable frame (5). The output end of the hydraulic telescopic rod (16) is fixedly connected to one side of the turning tool sliding frame (6).

4 . The tapping device for the piston rod of an automobile shock absorber according to claim 1 , wherein a sliding rod support frame ( 17 ) is fixedly connected to one side of the upper surface of the operating platform ( 1 ). A transverse sliding rod (18) is fixedly connected to the inside of the sliding rod support frame (17), and a turning tool pushing rod (19) is fixedly connected to one side of the bottom of the turning tool supporting rod (7). The other end of (19) penetrates the interior of the sliding rod connecting block (20), and the sliding rod connecting block (20) is sleeved on the outer surface of the transverse sliding rod (18).

5 . The tapping device for a piston rod of an automobile shock absorber according to claim 4 , wherein a third hydraulic telescopic rod ( 21 ) is fixedly connected to one side inside the sliding rod support frame ( 17 ). 6 . , the output end of the third hydraulic telescopic rod (21) is fixedly connected to one side of the sliding rod connecting block (20).

6 . The tapping device for a piston rod of an automobile shock absorber according to claim 1 , characterized in that: a piston rod clamping plate ( 22 ) is arranged inside the piston rod clamping mechanism ( 10 ), and the A motor (23) is fixedly connected to one side of the piston rod clamping plate (22), and the bottom of the piston rod clamping mechanism (10) is provided with a clamping mechanism lifting support plate (24).

7 . The tapping device for a piston rod of an automobile shock absorber according to claim 6 , wherein a guide slider ( 25 ) is fixedly connected to the upper surface of the lifting support plate ( 24 ) of the clamping mechanism, 7 . The piston rod clamping mechanism (10) is slidably connected with the guide slider (25), and a second pushing cylinder (26) is fixedly connected to one side of the upper surface of the lifting support plate (24) of the clamping mechanism, and the piston rod clamps The bottom of the tightening mechanism (10) is provided with a guide slider (25), and in the process of pushing the piston rod clamping mechanism (10) by the second pushing cylinder (26), the piston rod clamping mechanism (10) can slide on the guide slider. (25), to avoid the displacement of the piston rod clamping mechanism (10) during the sliding process, so that the two ends of the piston rod cannot be clamped.

8 . The tapping device for a piston rod of an automobile shock absorber according to claim 1 , wherein one side of the feeding conveyor belt ( 2 ) extends to the interior of the finished product storage box ( 28 ). The inside of the feeding conveyor belt (2) is provided with an active member (29), and both sides of the feeding conveyor belt (2) and the feeding rack (3) are fixedly connected with a stable support frame (30). (2) and the feeding rack (3) are fixedly connected to the upper surface of the operating platform (1) through a stable support frame (30).

9 . The tapping device for a piston rod of an automobile shock absorber according to claim 7 , wherein the output end of the second pushing cylinder ( 26 ) is fixedly connected to the piston rod clamping mechanism ( 10 ). 10 . On one side, a hydraulic cylinder (27) is fixedly connected to the bottom of the lifting support plate (24) of the clamping mechanism, and the hydraulic cylinder (27) is fixedly connected to the upper surface of the operation platform (1).

10. an operating method of the tapping device of the piston rod of an automobile shock absorber, is characterized in that: comprise the following use steps:

Step 1: First, it is necessary to connect the external power supply and air source, namely the first hydraulic telescopic rod (11), the first push cylinder (12), the second hydraulic telescopic rod (16), and the third hydraulic telescopic rod (21) , the motor (23), the second push cylinder (26), the hydraulic cylinder (27) and the active part (29) provide electrical energy or compressed air;