Welding mechanism of pulley angle welding robot

By designing the pulley fillet welding robot welding mechanism, the problem of poor fixing effect and inconvenient rotation of pulley parts during fillet welding is solved, good fixing and grinding effects are achieved, and welding efficiency and quality are improved.

CN223160299UActive Publication Date: 2025-07-29NINGBO DONGFANG PULLEY CO LTD
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Patent Information

Application Number
CN202422271812.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-07-29
Estimated Expiration
2034-09-18

AI Technical Summary

Technical Problem

When existing welding robots perform fillet welding on pulley parts, the fixing effect is poor and it is inconvenient to rotate. It is impossible to polish the excess welding after welding.

Method used

A pulley fillet welding robot welding mechanism is designed, including a base, an inward moving assembly, a translation assembly, a limit rotation assembly, a grinding assembly and a welding assembly, and the fixing, rotation and grinding of the pulley through the collaborative work of these components is achieved.

Benefits of technology

It achieves good fixing effect of the pulley, and facilitates rotation during welding and grinding of excess welding places after welding, improving welding efficiency and quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pulley fillet welding robot welding mechanism which comprises a base, an inward moving assembly, a translation assembly, a limiting rotating assembly, a polishing assembly and a welding assembly, the inward moving assembly is arranged on the top of the base, the welding assembly is arranged on the top of the front face of the base, the polishing assembly is arranged on the front face of the welding assembly, and the limiting rotating assembly is arranged on the base. The translation assembly is arranged at the bottom of the front face of the inward moving assembly, the limiting rotating assembly is arranged at the top of the translation assembly, and the inward moving assembly comprises a first moving rod, a first motor, a two-way threaded rod, a first sliding groove and a first sliding block. The welding mechanism of the pulley angle welding robot has the advantages of being good in fixing effect and convenient to weld and polish, and solves the problems that when a welding robot in the prior art conducts angle welding on pulley parts, the fixing effect is poor, the pulley parts are inconvenient to rotate, and redundant welding positions cannot be polished after welding.
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Description

Technical Field

[0001] The utility model relates to the technical field of pulley welding, in particular to a welding mechanism for fillet welding of pulleys by a robot. Background Technique

[0002] A pulley is a small wheel with a groove on its periphery that can rotate around an axis. A simple machine composed of a disc with a groove that can rotate around a central axis and a flexible cable striding across the disc is called a pulley.

[0003] When a pulley is produced, fillet welding needs to be carried out on it. Fillet welding refers to the process of vertically connecting two pieces of metal together. However, when the existing welding robots perform fillet welding on pulley parts, the fixing effect is poor and it is not convenient to rotate them. After welding, the redundant welding parts cannot be polished. Therefore, there is an urgent need for a welding mechanism for fillet welding of pulleys by a robot to overcome the above defects. Summary of the Invention

[0004] The purpose of the utility model is to provide a welding mechanism for fillet welding of pulleys by a robot, which has the advantages of good fixing effect and convenient welding and polishing, so as to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A welding mechanism for fillet welding of pulleys by a robot, including a base, an inward movement component, a translation component, a limit rotation component, a grinding component and a welding component. The inward movement component is arranged on the top of the base, the welding component is arranged on the top of the front surface of the base, the grinding component is arranged on the front surface of the welding component, the translation component is arranged at the bottom of the front surface of the inward movement component, the limit rotation component is arranged on the top of the translation component. The inward movement component includes a first moving rod, a first motor, a bidirectional threaded rod, a first chute and a first slider. The welding component includes a cylinder, a fixed seat and a welding machine. The grinding component includes a fourth moving rod, a fifth motor, a grinding machine body, a fourth threaded rod, a fourth chute and a fourth slider.

[0006] Further, the translation component includes a second moving rod, a second chute, a second slider, a second threaded rod and a second motor. The limit rotation component includes a U-shaped seat, a third motor, a first turntable, a second turntable, a third chute, a third moving rod, a fourth motor, a third slider, a sliding rod and a third threaded rod. The first motor is fixedly installed on the top of the first moving rod, and the first chute is opened inside the first moving rod.

[0007] Further, the first sliders are both slidably arranged on both sides inside the first chute. The bidirectional threaded rod rotates through threads inside the first slider. The output shaft of the first motor penetrates into the inner cavity of the first chute and is fixedly connected to the top of the bidirectional threaded rod. The cylinder is fixedly installed on the top of the fixed seat.

[0008] Furthermore, the back surface of the fixed seat is fixedly connected to the front surface of the first slider at the top. The welding machine is arranged at the bottom of the fixed seat. The bottom of the air cylinder penetrates through to the inner cavity of the fixed seat and is fixedly connected to the top of the welding machine. The top of the first moving rod is fixedly connected to the top of the base.

[0009] Furthermore, the second moving rod is fixedly installed on the front surface of the first slider at the bottom. The second motor is fixedly installed on the left side of the second moving rod. The second chute is opened inside the second moving rod. The second slider slides inside the second chute. The second threaded rod rotates through threads inside the second slider. The output shaft of the second motor penetrates through to the inner cavity of the second chute and is fixedly connected to the left side of the second threaded rod.

[0010] Furthermore, the U-shaped seat is fixedly installed on the top of the second slider. The first turntable is arranged on the right side inside the U-shaped seat. The third motor is fixedly installed on the right side of the U-shaped seat. The output shaft of the third motor penetrates through to the inner cavity of the U-shaped seat and is fixedly connected to the right side of the first turntable. The second turntable is arranged on the left side inside the U-shaped seat.

[0011] Furthermore, the third moving rod is fixedly installed on the left side of the U-shaped seat. The third chute is opened inside the third moving rod. The third slider slides inside the third chute. The sliding rod is fixedly installed on the right side of the third slider. The sliding rod penetrates through to the inner cavity of the U-shaped seat and is rotationally connected to the left side of the second turntable through a bearing.

[0012] Furthermore, the fourth motor is fixedly installed on the left side of the third moving rod. The third threaded rod rotates through threads inside the third slider. The output shaft of the fourth motor penetrates through to the inner cavity of the third chute and is fixedly connected to the left side of the third threaded rod. The fifth motor is fixedly installed on the front surface of the fourth moving rod.

[0013] Furthermore, the fourth chute is opened inside the fourth moving rod. The bottom of the fourth moving rod is fixedly connected to the top of the base. The fourth slider slides inside the fourth chute. The grinding machine body is fixedly installed on the top of the fourth slider. The fourth threaded rod rotates through threads inside the fourth slider. The output shaft of the fifth motor penetrates through to the inner cavity of the fourth chute and is fixedly connected to the front surface of the fourth threaded rod.

[0014] In summary, due to the adoption of the above technologies, the beneficial effects of the present utility model are:

[0015] The utility model is mainly used to improve the stability of the overall device by arranging the base, and to move the position of the welding assembly and the translation assembly by arranging the inward moving assembly, to translate the position of the limit rotation assembly by arranging the translation assembly, and to fix the pulley assembly by arranging the limit rotation assembly. The welding assembly is convenient for welding the pulley assembly, and the welded pulley assembly is polished by arranging the grinding assembly. When in use, the pulley assembly is first placed in the inner cavity of the U-shaped seat, and then the fourth motor is turned on, and the third threaded rod is driven to rotate by the fourth motor, so that the third slider drives the slide rod and the second turntable to move to the right, thereby fixing the pulley assembly. When welding, it is necessary to turn on the first motor, and the bidirectional threaded rod is driven to rotate by the first motor, and under the action of the bidirectional threaded rod, the first slider drives the fixed seat and the second moving rod to move inward, and finally After that, the cylinder and the welding machine are turned on, and the welding machine moves back and forth under the action of the cylinder, and the pulley assembly is welded by the welding machine. When moving horizontally, the second motor is turned on, and the second threaded rod is driven to rotate by the second motor, and the limited rotation assembly and the pulley assembly are transferred under the action of the second slider. When the pulley assembly is rotated, the third motor is turned on, and the third motor drives the first turntable to rotate, thereby flipping the pulley assembly. When grinding, the fifth motor is turned on, and the fifth motor drives the fourth threaded rod to rotate, so that the fourth slider drives the grinder body to move to one side, and the pulley welding assembly is grinded by the grinder body. It has the advantages of good fixing effect and convenient welding and grinding, and solves the problem that the welding robot in the prior art has poor fixing effect and is inconvenient to rotate when performing fillet welding on the pulley parts, and cannot grind the redundant welding points after welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the translation component of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the limited rotation component of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the grinding component of the utility model;

[0020] Figure 5 This is a schematic diagram of the inward moving component structure of the present invention.

[0021] In the figure: 1. Base; 2. Inward movement component; 21. First moving rod; 22. First motor; 23. Bi-directional threaded rod; 24. First chute; 25. First slider; 3. Translation component; 31. Second moving rod; 32. Second chute; 33. Second slider; 34. Second threaded rod; 35. Second motor; 4. Limit rotation component; 41. U-shaped seat; 42. Third motor; 43. First turntable; 44. Second turntable; 45. Third chute; 46. Third moving rod; 47. Fourth motor; 48. Third slider; 49. Slide bar; 491. Third threaded rod; 5. Grinding component; 51. Fourth moving rod; 52. Fifth motor; 53. Grinding machine body; 54. Fourth threaded rod; 55. Fourth chute; 56. Fourth slider; 6. Welding component; 61. Cylinder; 62. Fixed seat; 63. Welder. Detailed implementation mode

[0022] To make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present utility model. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model to be protected, but merely represents the selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present utility model.

[0023] The present utility model provides a Figure 1-5 shown pulley fillet welding robot welding mechanism, including a base 1, an inward movement component 2, a translation component 3, a limit rotation component 4, a grinding component 5 and a welding component 6. The inward movement component 2 is arranged on the top of the base 1, the welding component 6 is arranged on the top of the front surface of the base 1, the grinding component 5 is arranged on the front surface of the welding component 6, the translation component 3 is arranged at the bottom of the front surface of the inward movement component 2, the limit rotation component 4 is arranged on the top of the translation component 3. The inward movement component 2 includes a first moving rod 21, a first motor 22, a bi-directional threaded rod 23, a first chute 24 and a first slider 25. The welding component 6 includes a cylinder 61, a fixed seat 62 and a welder 63. The grinding component 5 includes a fourth moving rod 51, a fifth motor 52, a grinding machine body 53, a fourth threaded rod 54, a fourth chute 55 and a fourth slider 56;

[0024] More specifically, by setting the grinding component 5 to grind the pulley component after welding, when in use, first place the pulley component in the inner cavity of the U-shaped seat 41, then turn on the fourth motor 47. The fourth motor 47 drives the third threaded rod 491 to rotate, so that the third slider 48 drives the sliding rod 49 and the second turntable 44 to move to the right, thereby fixing the pulley component. When welding, it is necessary to turn on the first motor 22. The first motor 22 drives the bidirectional threaded rod 23 to rotate, and under the action of the bidirectional threaded rod 23, the first slider 25 drives the fixed seat 62 and the second moving rod 31 to move inward. Finally, turn on the air cylinder 61 and the welding machine 63. Under the action of the air cylinder 61, the welding machine 63 reciprocates, and the pulley component is welded by the welding machine 63. When translating, turn on the second motor 35. The second motor 35 drives the second threaded rod 34 to rotate, and under the action of the second slider 33, the limit rotation component 4 and the pulley component are transferred. When rotating the pulley component, turn on the third motor 42. The third motor 42 drives the first turntable 43 to rotate, thereby flipping the pulley component. When grinding, turn on the fifth motor 52. The fifth motor 52 drives the fourth threaded rod 54 to rotate, so that the fourth slider 56 drives the grinding machine body 53 to move to one side, and the welding part of the pulley component is ground by the grinding machine body 53, which has the advantages of good fixing effect and convenient welding and grinding.

[0025] In some embodiments, the translation component 3 includes a second moving rod 31, a second chute 32, a second slider 33, a second threaded rod 34 and a second motor 35. The limit rotation component 4 includes a U-shaped seat 41, a third motor 42, a first turntable 43, a second turntable 44, a third chute 45, a third moving rod 46, a fourth motor 47, a third slider 48, a sliding rod 49 and a third threaded rod 491. The first motor 22 is fixedly installed on the top of the first moving rod 21. The first chute 24 is opened inside the first moving rod 21. More specifically, by setting the first chute 24 to limit the first slider 25, it is prevented that the first slider 25 shakes during the movement.

[0026] In some embodiments, both sides of the first slider 25 slide inside the first chute 24. The bidirectional threaded rod 23 rotates through the thread inside the first slider 25. The output shaft of the first motor 22 penetrates into the inner cavity of the first chute 24 and is fixedly connected to the top of the bidirectional threaded rod 23. The air cylinder 61 is fixedly installed on the top of the fixed seat 62. More specifically, by setting the first slider 25 to limit the fixed seat 62 and the second moving rod 31 respectively, it is prevented that the second moving rod 31 and the fixed seat 62 shake during the movement. By setting the first motor 22 to drive the bidirectional threaded rod 23, the position of the first slider 25 is indirectly moved.

[0027] In some embodiments, the back side of the fixed seat 62 is fixedly connected to the front side of the top first slider 25, the welder 63 is arranged at the bottom of the fixed seat 62, the bottom of the cylinder 61 passes through the inner cavity of the fixed seat 62 and is fixedly connected to the top of the welder 63, and the top of the first movable rod 21 is fixedly connected to the top of the base 1. More specifically, the position of the welder 63 is moved by setting the cylinder 61, and the pulley assembly is welded by setting the welder 63.

[0028] In some embodiments, the second moving rod 31 is fixedly mounted on the front side of the bottom first slider 25, the second motor 35 is fixedly mounted on the left side of the second moving rod 31, the second slide groove 32 is opened inside the second moving rod 31, the second slider 33 slides inside the second slide groove 32, the second threaded rod 34 is rotated inside the second slider 33 through a thread, and the output shaft of the second motor 35 passes through the inner cavity of the second slide groove 32 and is fixedly connected to the left side of the second threaded rod 34. More specifically, the second slide groove 32 is set to limit the second slider 33 to prevent the second slider 33 from shaking during movement, and the second motor 35 is set to drive the second threaded rod 34 to indirectly adjust the position of the second slider 33.

[0029] In some embodiments, the U-shaped seat 41 is fixedly mounted on the top of the second slider 33, the first turntable 43 is arranged on the right side of the inner cavity of the U-shaped seat 41, the third motor 42 is fixedly mounted on the right side of the U-shaped seat 41, the output shaft of the third motor 42 passes through the inner cavity of the U-shaped seat 41 and is fixedly connected to the right side of the first turntable 43, and the second turntable 44 is arranged on the left side of the inner cavity of the U-shaped seat 41. More specifically, the U-shaped seat 41 is limited by setting the second slider 33 to prevent the U-shaped seat 41 from shaking during movement, and the first turntable 43 is rotated by setting the third motor 42.

[0030] In some embodiments, the third moving rod 46 is fixedly mounted on the left side of the U-shaped seat 41, the third slide groove 45 is opened inside the third moving rod 46, the third slider 48 slides inside the third slide groove 45, and the slide rod 49 is fixedly mounted on the right side of the third slider 48. The slide rod 49 passes through the inner cavity of the U-shaped seat 41 and is rotatably connected to the left side of the second turntable 44 through a bearing. More specifically, the third slider 48 is limited by setting the third slide groove 45 to prevent the third slider 48 from shaking during movement, and the slide rod 49 is moved by setting the third slider 48.

[0031] In some embodiments, the fourth motor 47 is fixedly installed on the left side of the third moving rod 46. The third threaded rod 491 rotates through the thread inside the third slider 48. The output shaft of the fourth motor 47 penetrates into the inner cavity of the third chute 45 and is fixedly connected to the left side of the third threaded rod 491. The fifth motor 52 is fixedly installed on the front surface of the fourth moving rod 51. More specifically, by setting the fourth motor 47 to drive the third threaded rod 491, the position of the third slider 48 is indirectly adjusted.

[0032] In some embodiments, the fourth chute 55 is opened inside the fourth moving rod 51. The bottom of the fourth moving rod 51 is fixedly connected to the top of the base 1. The fourth slider 56 slides inside the fourth chute 55. The grinding machine body 53 is fixedly installed on the top of the fourth slider 56. The fourth threaded rod 54 rotates through the thread inside the fourth slider 56. The output shaft of the fifth motor 52 penetrates into the inner cavity of the fourth chute 55 and is fixedly connected to the front surface of the fourth threaded rod 54. More specifically, by setting the fifth motor 52 to drive the fourth threaded rod 54, the fourth slider 56 and the grinding machine body 53 are driven to move. By setting the grinding machine body 53, the welding joint is ground.

[0033] Working principle:

[0034] Step 1: During use, first place the pulley assembly in the inner cavity of the U-shaped seat 41, and then turn on the fourth motor 47. The fourth motor 47 drives the third threaded rod 491 to rotate, so that the third slider 48 drives the slide rod 49 and the second turntable 44 to move to the right, thereby fixing the pulley assembly. When welding, the first motor 22 needs to be turned on. The first motor 22 drives the bidirectional threaded rod 23 to rotate, and under the action of the bidirectional threaded rod 23, the first slider 25 drives the fixed seat 62 and the second moving rod 31 to move inward;

[0035] Step 2: Finally, turn on the air cylinder 61 and the welding machine 63. Under the action of the air cylinder 61, the welding machine 63 reciprocates, and the pulley assembly is welded by the welding machine 63. When translating, turn on the second motor 35. The second motor 35 drives the second threaded rod 34 to rotate, and under the action of the second slider 33, the limit rotation assembly 4 and the pulley assembly are transferred. When rotating the pulley assembly, turn on the third motor 42. The third motor 42 drives the first turntable 43 to rotate, thereby flipping the pulley assembly. When grinding, turn on the fifth motor 52. The fifth motor 52 drives the fourth threaded rod 54 to rotate, so that the fourth slider 56 drives the grinding machine body 53 to move to one side, and the welding part of the pulley assembly is ground by the grinding machine body 53, which has the advantages of good fixing effect and convenient welding and grinding.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A welding mechanism for a pulley fillet welding robot, characterized in that: It includes a base (1), an inward moving component (2), a translation component (3), a limit rotation component (4), a grinding component (5) and a welding component (6). The inward moving component (2) is arranged on the top of the base (1), the welding component (6) is arranged on the top of the front of the base (1), the grinding component (5) is arranged on the front of the welding component (6), the translation component (3) is arranged at the bottom of the front of the inward moving component (2), the limit rotation component (4) is arranged on the top of the translation component (3). The inward moving component (2) includes a first moving rod (21), a first motor (22), a bidirectional threaded rod (23), a first chute (24) and a first slider (25). The welding component (6) includes a cylinder (61), a fixed seat (62) and a welding machine (63). The grinding component (5) includes a fourth moving rod (51), a fifth motor (52), a grinding machine body (53), a fourth threaded rod (54), a fourth chute (55) and a fourth slider (56).

2. The welding mechanism of the pulley fillet welding robot according to claim 1, characterized in that: The translation component (3) includes a second moving rod (31), a second chute (32), a second slider (33), a second threaded rod (34) and a second motor (35). The limit rotation component (4) includes a U-shaped seat (41), a third motor (42), a first turntable (43), a second turntable (44), a third chute (45), a third moving rod (46), a fourth motor (47), a third slider (48), a slide rod (49) and a third threaded rod (491). The first motor (22) is fixedly installed on the top of the first moving rod (21), and the first chute (24) is opened inside the first moving rod (21).

3. The welding mechanism of the pulley fillet welding robot according to claim 1, characterized in that: The first sliders (25) are both slidably arranged on both sides inside the first chute (24). The bidirectional threaded rod (23) is rotationally threaded inside the first slider (25). The output shaft of the first motor (22) penetrates into the inner cavity of the first chute (24) and is fixedly connected to the top of the bidirectional threaded rod (23). The cylinder (61) is fixedly installed on the top of the fixed seat (62).

4. The welding mechanism of the pulley fillet welding robot according to claim 1, characterized in that: The back of the fixed seat (62) is fixedly connected to the front of the top first slider (25). The welding machine (63) is arranged at the bottom of the fixed seat (62). The bottom of the cylinder (61) penetrates into the inner cavity of the fixed seat (62) and is fixedly connected to the top of the welding machine (63). The top of the first moving rod (21) is fixedly connected to the top of the base (1).

5. The welding mechanism of the pulley fillet welding robot according to claim 2, characterized in that: The second moving rod (31) is fixedly installed on the front of the bottom first slider (25). The second motor (35) is fixedly installed on the left side of the second moving rod (31). The second chute (32) is opened inside the second moving rod (31). The second slider (33) is slidably arranged inside the second chute (32). The second threaded rod (34) is rotationally threaded inside the second slider (33). The output shaft of the second motor (35) penetrates into the inner cavity of the second chute (32) and is fixedly connected to the left side of the second threaded rod (34).

6. The welding mechanism of the pulley fillet welding robot according to claim 2, characterized in that: The U-shaped seat (41) is fixedly installed on the top of the second slider (33). The first turntable (43) is arranged on the right side inside the U-shaped seat (41). The third motor (42) is fixedly installed on the right side of the U-shaped seat (41). The output shaft of the third motor (42) penetrates into the inner cavity of the U-shaped seat (41) and is fixedly connected to the right side of the first turntable (43). The second turntable (44) is arranged on the left side inside the U-shaped seat (41).

7. The welding mechanism of the pulley fillet welding robot according to claim 2, characterized in that: The third moving rod (46) is fixedly installed on the left side of the U-shaped seat (41). The third chute (45) is opened inside the third moving rod (46). The third slider (48) slides inside the third chute (45). The sliding rod (49) is fixedly installed on the right side of the third slider (48). The sliding rod (49) penetrates into the inner cavity of the U-shaped seat (41) and is rotatably connected to the left side of the second turntable (44) through a bearing.

8. The welding mechanism of the pulley fillet welding robot according to claim 2, characterized in that: The fourth motor (4,7) is fixedly installed on the left side of the third moving rod (46). The third threaded rod (491) rotates through the thread inside the third slider (48). The output shaft of the fourth motor (47) penetrates into the inner cavity of the third chute (45) and is fixedly connected to the left side of the third threaded rod (491). The fifth motor (52) is fixedly installed on the front surface of the fourth moving rod (51).

9. The welding mechanism of the pulley fillet welding robot according to claim 1, wherein: The fourth chute (55) is opened inside the fourth moving rod (51). The bottom of the fourth moving rod (51) is fixedly connected to the top of the base (1). The fourth slider (56) slides inside the fourth chute (55). The grinding machine body (53) is fixedly installed on the top of the fourth slider (56). The fourth threaded rod (54) rotates through the thread inside the fourth slider (56). The output shaft of the fifth motor (52) penetrates into the inner cavity of the fourth chute (55) and is fixedly connected to the front surface of the fourth threaded rod (54).