Vacuum cup welding machine

By setting adjustment stations and rear adjustment mechanisms on the left and right sides of the thermos cup welding machine frame, the problems of large horizontal width and cumbersome adjustment of the welding machine are solved, and more efficient operation and space utilization are achieved.

CN223325713UActive Publication Date: 2025-09-12ZHEJIANG JINGJIANG INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202422658232.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-09-12
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

The existing thermos cup welding machine is relatively wide, occupies a large area, and has a complicated adjustment process, which affects the operating efficiency.

Method used

Adjustment stations are set on the left and right sides of the frame, and the adjustment mechanism is located on the rear side of the workbench. The welding gun position is adjusted through the longitudinal, lateral and vertical adjustment components of the adjustment mechanism to simplify the adjustment process.

Benefits of technology

It effectively reduces the horizontal length of the welding machine, simplifies the adjustment steps, and improves the convenience of operation and space utilization.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The technical scheme belongs to the technical field of vacuum cup production equipment, and particularly relates to a vacuum cup welding machine which comprises a rack, a feeding window is arranged at the front end of the rack, and adjusting stations are arranged on the left side and the right side of the rack; the machining device is arranged on the rack and provided with a machining station, and the machining station is located at the feeding window; the feeding device is arranged in the rack, located behind the machining device and used for feeding the vacuum cups into the machining stations. Wherein the adjusting station is used for personnel to adjust parameters of a welding gun of the machining device; the processing device comprises; the workbench is located at the feeding window; the upper die mechanism is arranged above the workbench and used for carrying the vacuum cup shell to ascend, descend and rotate; the lower die mechanism is arranged below the workbench and used for carrying the vacuum cup base to ascend, descend and rotate; and the adjusting mechanism is arranged on the rear side of the workbench, a welding gun is arranged at the output end of the adjusting mechanism, and the adjusting mechanism is used for adjusting the welding position of the welding gun.
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Description

Technical Field

[0001] The present invention relates to the technical field of thermos cup production equipment, and in particular to a thermos cup welding machine. Background Art

[0002] Thermos cups are mainly composed of a shell and a base. During production, the base and the shell need to be welded together. Currently, welding work in the thermos cup industry is mainly done manually. In addition, the production of thermos cups requires multiple processes such as loading, positioning, and welding. Therefore, the production of thermos cups requires the cooperation of multiple mechanisms such as upper mold mechanism, lower mold mechanism, welding mechanism, and adjustment mechanism. Therefore, the positional coordination relationship between each mechanism directly determines the space occupied by the thermos cup welding machine and the ease of operation. When welding thermos cups of different models, the welding mechanism requires personnel to manually adjust the position of the welding gun.

[0003] In the existing thermos cup welding machine, the upper mold mechanism and the lower mold mechanism are arranged relative to each other up and down, and the welding mechanism, the upper mold mechanism and the lower mold mechanism are at the same horizontal position and are located in front of the personnel. When the personnel need to adjust the parameters of the welding mechanism, they need to open the isolation plate in front of the welding machine and adjust it. This makes the horizontal length of the welding machine larger and the operation process cumbersome. Summary of the Invention

[0004] The purpose of this technical solution is to provide a thermos cup welding machine, which provides adjustment stations on the left and right sides of the frame, and sets the adjustment mechanism on the rear side of the workbench. The adjustment mechanism is located between the processing device and the loading device, so that personnel can directly adjust the position of the welding gun from the left and right sides of the frame, thereby solving the problems of the original welding machine being horizontally wide, occupying a large area and having a cumbersome adjustment process.

[0005] The purpose of this technical solution is achieved in this way:

[0006] A thermos cup welding machine comprises: a frame with a visual window at the front end and adjustment stations on the left and right sides; a processing device, which is arranged on the frame and has a processing station, and the processing station is located at the visual window; and a loading device, which is arranged in the frame and located behind the processing device, and is used to load the thermos cup into the processing station; wherein the adjustment station is used for personnel to adjust the parameters of the welding gun of the processing device; the processing device comprises: a workbench, which is located at the visual window; an upper mold mechanism, which is arranged above the workbench, and is used to carry the thermos cup shell up and down and rotate; a lower mold mechanism, which is arranged below the workbench, and is used to carry the thermos cup base up and down and rotate; and an adjustment mechanism, which is arranged on the side of the rear of the workbench, and the output end of the adjustment mechanism is provided with a welding gun, and the adjustment mechanism is used to adjust the welding position of the welding gun.

[0007] Preferably, the thermos cup welding machine also includes a door opening and closing mechanism, which includes: a door opening and closing slide rail, which is arranged on the left and right side walls of the frame; and a door opening and closing body, on which a door opening and closing slider adapted to the door opening and closing slide rail is provided; wherein, after the personnel opens the door opening and closing body arranged on the left or right side of the frame, they can enter the adjustment station to perform adjustment work.

[0008] Preferably, the upper mold mechanism includes: an upper mold lifting assembly, which includes an upper mold lifting drive and an upper mold lifting rod arranged at the output end of the upper mold lifting drive; an upper mold rotating assembly, which includes an upper mold rotating shaft sleeve, and the upper mold rotating shaft sleeve is sleeved on the outside of the upper mold lifting rod; and an upper mold pressure plate, which is arranged at the lower end of the upper mold lifting rod and connected to the upper mold rotating shaft sleeve through an upper mold rotating bearing; wherein, the upper mold lifting assembly is used to control the lifting and lowering of the upper mold pressure plate, and the upper mold rotating assembly is used to control the rotation of the upper mold pressure plate.

[0009] Preferably, the upper mold rotation assembly also includes: an upper mold rotation driving member, the output end of which is outer-circuited with an upper mold rotation driving wheel; an upper mold rotation driven wheel, which is sleeved on the outside of the upper mold rotation shaft sleeve; and an upper mold rotation belt, which is sleeved on the outside of the upper mold rotation driving wheel and the upper mold rotation driven wheel.

[0010] Preferably, the lower mold mechanism includes: a lower mold lifting assembly, which includes a lower mold lifting drive and a lower mold lifting rod arranged at the output end of the lower mold lifting drive; a lower mold rotation assembly, which includes a lower mold rotating shaft sleeve, and the lower mold rotating shaft sleeve is sleeved on the outside of the lower mold lifting rod; and a lower mold support plate, which is arranged at the lower end of the lower mold lifting rod and connected to the lower mold rotating shaft sleeve through a lower mold rotating bearing; wherein, the lower mold lifting assembly is used to control the lifting and lowering of the lower mold support plate, and the lower mold rotation assembly is used to control the rotation of the lower mold support plate.

[0011] Preferably, the lower mold rotation assembly also includes: a lower mold rotation driving member, the output end of which is outer-circuited with a lower mold rotation active wheel; a lower mold rotation driven wheel, which is sleeved on the outside of the lower mold rotation shaft sleeve; and a lower mold rotation belt, which is sleeved on the outside of the lower mold rotation active wheel and the lower mold rotation driven wheel.

[0012] Preferably, the adjustment mechanism includes: a first horizontal adjustment component, which is arranged on the frame and is used to longitudinally adjust the position of the welding gun; a second horizontal adjustment component, which is arranged on the first horizontal adjustment component and is used to laterally adjust the position of the welding gun; and a vertical adjustment component, which is arranged on the second horizontal adjustment component and is used to adjust the height of the welding gun; wherein the welding gun is arranged on the vertical adjustment component.

[0013] Preferably, the first horizontal adjustment assembly includes: a first adjustment base, which is arranged on the frame, and a first adjustment slide rail is provided on the first adjustment base; a first adjustment slider, which is movably set on the first adjustment slide rail; and a first adjustment rod, whose front end is connected to the first adjustment slider and the rear end is threaded on the first adjustment base.

[0014] Preferably, the second horizontal adjustment component includes: a second adjustment base, which is arranged on the first adjustment slider, and a second adjustment slide rail is arranged on the second adjustment base; a second adjustment slider, which is movably arranged on the second adjustment slide rail; and a second adjustment rod, whose front end is connected to the second adjustment slider and the rear end is threaded on the second adjustment base.

[0015] Preferably, the vertical adjustment assembly includes: a vertical adjustment base, which is arranged on the second adjustment slider, and a vertical adjustment slide rail is arranged on the vertical adjustment base; a vertical adjustment slider, which is movably arranged on the vertical adjustment slide rail; and a vertical adjustment rod, the front end of which is connected to the vertical adjustment slider and the rear end is threadedly arranged on the vertical adjustment base; wherein, the welding gun is arranged on the vertical adjustment slider at an angle upward.

[0016] Compared with the existing technology, this technical solution has the following outstanding and beneficial technical effects:

[0017] 1. The adjustment mechanism designed in this technical solution is located on the inner rear side of the processing station, and the entire mechanism is placed in the frame. When welding one type of thermos cup, you only need to adjust the welding gun to the set position to complete the welding. When welding another type of thermos cup, you only need to enter the adjustment station on the side of the frame to adjust the welding gun position.

[0018] 2. The door opening and closing mechanism designed in this technical solution can close various mechanisms inside the frame, and the door opening and closing mechanism is set on the side of the frame, which can reduce the horizontal length of the welding machine and avoid the tedious process of opening the frame from the front and then adjusting the position of the original welding machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural diagram of the technical solution.

[0020] Figure 2 Schematic diagram of the structure of the processing device.

[0021] Figure 3 Schematic diagram of the structure of the adjustment mechanism.

[0022] Figure 4 It is a structural diagram of the lower mold mechanism.

[0023] Figure 5 It is a structural diagram of the upper mold mechanism.

[0024] Figure numerals: 1, frame; 2, viewing window; 3, adjustment station; 4, processing device; 5, processing station; 6, workbench; 7, upper mold mechanism; 8, lower mold mechanism; 9, adjustment mechanism; 10, door opening and closing mechanism; 11, door opening and closing slide rail; 12, door opening and closing body; 13, upper mold lifting assembly; 14, upper mold lifting drive; 15, upper mold lifting rod; 16, upper mold rotating assembly; 17, upper mold rotating shaft sleeve; 18, upper mold pressure plate; 19, upper mold rotating bearing; 20, upper mold rotating drive; 21, upper mold rotating driving wheel; 22, upper mold rotating driven wheel; 23, upper mold rotating belt; 24, lower mold lifting assembly; 25, lower mold lifting drive; 26, lower mold lifting rod; 27, lower Mold rotation assembly; 28. Lower mold rotation sleeve; 29. ​​Lower mold support plate; 30. Lower mold rotation bearing; 31. Lower mold rotation drive member; 32. Lower mold rotation active wheel; 33. Lower mold rotation driven wheel; 34. Lower mold rotation belt; 35. First horizontal adjustment assembly; 36. Second horizontal adjustment assembly; 37. Vertical adjustment assembly; 38. First adjustment base; 39. First adjustment slide rail; 40. First adjustment slider; 41. First adjustment rod; 42. Second adjustment base; 43. Second adjustment slide rail; 44. Second adjustment slider; 45. Second adjustment rod; 46. Vertical adjustment base; 47. Vertical adjustment slide rail; 48. Vertical adjustment slider; 49. Vertical adjustment rod; 50. Loading device. DETAILED DESCRIPTION

[0025] The specific implementation of the technical solution is further described in detail below with reference to the accompanying drawings.

[0026] like Figure 1 As shown, a thermos cup welding machine includes a frame 1, a processing device 4 and a loading device 50. The processing device 4 is used to complete the positioning and welding of the thermos cup shell and the thermos cup base. The processing device 4 has a processing station 5. The loading device 50 is arranged in the frame 1 and is located behind the processing device 4. It is used to load the thermos cup into the processing station 5. The loading device 50 includes a loading robot. The front end of the frame 1 has a visual window 2. The left and right sides of the frame 1 have adjustment stations 3. The welding gun of the thermos cup welding machine is fixed. When a new model of thermos cup needs to be welded, the position of the welding gun needs to be adjusted. The adjustment station 3 is used to facilitate personnel to enter to adjust the position of the welding gun. It is opened on the left and right sides of the frame 1. Since there are more mechanisms on the front of the welding machine and the operating space is small, adjustment on the side of the frame 1 can effectively simplify the tedious steps of personnel opening the isolation plate of the frame 1 on the front.

[0027] Furthermore, the thermos cup welding machine includes a switch door mechanism 10, which includes a switch door slide rail 11 and a switch door body 12. The switch door slide rail 11 is set on the left and right side walls of the frame 1, and the switch door body 12 is provided with a switch door slider adapted to the switch door slide rail 11. In this embodiment, the number of the switch door bodies 12 is set to two. The personnel can open the switch door body 12 set on the left or right of the frame 1 and enter the adjustment station 3 to perform adjustment work.

[0028] like Figure 2 As shown, the processing device 4 includes a workbench 6, an upper mold mechanism 7, a lower mold mechanism 8 and an adjustment mechanism 9. The workbench 6 is located at the visual window 2. The upper mold mechanism 7 is arranged above the workbench 6, and is used to carry the thermos cup shell up and down and rotate. The lower mold mechanism 8 is arranged below the workbench 6, and is used to carry the thermos cup base up and down and rotate. The adjustment mechanism 9 is arranged on the side behind the workbench 6. A welding gun is provided at the output end of the adjustment mechanism 9, and the adjustment mechanism 9 is used to adjust the welding position of the welding gun.

[0029] Furthermore, the upper mold mechanism 7 and the lower mold mechanism 8 are in the same vertical direction and close to the workbench 6. The adjustment structure is located on the inner side of the frame 1 and is placed on the rear side of the workbench 6. When welding, the welding gun welds the thermos cup inside the frame 1. This arrangement can effectively save the horizontal space of the welding machine and make its internal mechanism position more compact.

[0030] like Figure 3 As shown, the adjustment mechanism 9 includes a first horizontal adjustment component 35, a second horizontal adjustment component 36 and a vertical adjustment component 37. The first horizontal adjustment component 35 is arranged on the frame 1, and is used to longitudinally adjust the position of the welding gun so that the welding gun is close to or away from the workbench 6. The second horizontal adjustment component 36 is arranged on the first horizontal adjustment component 35, and is used to laterally adjust the position of the welding gun so that the welding gun moves horizontally in the direction of the workbench 6. The vertical adjustment component 37 is arranged on the second horizontal adjustment component 36, and is used to adjust the height of the welding gun.

[0031] Furthermore, the first horizontal adjustment component 35 includes a first adjustment base 38, a first adjustment rail 39, a first adjustment slider 40 and a first adjustment rod 41. The first adjustment base 38 is arranged on the frame 1, and the first adjustment rail 39 is arranged on the first adjustment base 38. The first adjustment slider 40 is movably arranged on the first adjustment rail 39. The front end of the first adjustment rod 41 is connected to the first adjustment slider 40, and the rear end thread is arranged on the first adjustment base 38. Personnel can adjust by manually screwing the first adjustment rod 41.

[0032] Furthermore, the second horizontal adjustment component 36 includes a second adjustment base 42, a second adjustment rail 43, a second adjustment slider 44 and a second adjustment rod 45. The second adjustment base 42 is arranged on the first adjustment slider 40, and the second adjustment rail 43 is arranged on the second adjustment base 42. The second adjustment slider 44 is movably arranged on the second adjustment rail 43. The front end of the second adjustment rod 45 is connected to the second adjustment slider 44, and the rear end thread is arranged on the second adjustment base 42. Personnel can adjust by manually screwing the second adjustment rod 45.

[0033] Furthermore, the vertical adjustment assembly 37 includes a vertical adjustment base 46, a vertical adjustment rail 47, a vertical adjustment slider 48 and a vertical adjustment rod 49. The vertical adjustment base 46 is arranged on the second adjustment slider 44, the vertical adjustment base 46 is provided with a vertical adjustment rail 47, the vertical adjustment slider 48 is movably arranged on the vertical adjustment rail 47, the front end of the vertical adjustment rod 49 is connected to the vertical adjustment slider 48, and the rear end thread is arranged on the vertical adjustment base 46. Personnel can adjust by manually screwing the vertical adjustment rod 49.

[0034] like Figure 4 As shown, the lower mold mechanism 8 includes a lower mold lifting assembly 24, a lower mold rotating assembly 27 and a lower mold support plate 29. The lower mold lifting assembly 24 includes a lower mold lifting drive 25 and a lower mold lifting rod 26 arranged at the output end of the lower mold lifting drive 25. The lower mold rotating assembly 27 includes a lower mold rotating shaft sleeve 28. The lower mold rotating shaft sleeve 28 is sleeved on the outside of the lower mold lifting rod 26. The lower mold support plate 29 is arranged at the lower end of the lower mold lifting rod 26 and is connected to the lower mold rotating shaft sleeve 28 through a lower mold rotating bearing 30.

[0035] Furthermore, the lower mold rotation assembly 27 also includes a lower mold rotation driving member 31, a lower mold rotation active wheel 32, a lower mold rotation driven wheel 33 and a lower mold rotation belt 34. The output end of the lower mold rotation driving member 31 is outerly provided with a lower mold rotation active wheel 32, the lower mold rotation driven wheel 33 is sleeved on the outside of the lower mold rotation shaft sleeve 28, and the lower mold rotation belt 34 is sleeved on the outside of the lower mold rotation active wheel 32 and the lower mold rotation driven wheel 33.

[0036] like Figure 5 As shown, the upper mold mechanism 7 includes an upper mold lifting assembly 13, an upper mold rotating assembly 16 and an upper mold pressing plate 18. The upper mold lifting assembly 13 includes an upper mold lifting driving component 14 and an upper mold lifting rod 15 arranged at the output end of the upper mold lifting driving component 14. The upper mold rotating assembly 16 includes an upper mold rotating shaft sleeve 17. The upper mold rotating shaft sleeve 17 is sleeved on the outside of the upper mold lifting rod 15. The upper mold pressing plate 18 is arranged at the lower end of the upper mold lifting rod 15 and is connected to the upper mold rotating shaft sleeve 17 through an upper mold rotating bearing 19.

[0037] Furthermore, the upper mold rotation assembly 16 also includes an upper mold rotation driving member 20, an upper mold rotation driving pulley 21, an upper mold rotation driven pulley 22, and an upper mold rotation belt 23. The upper mold rotation driving pulley 21 is provided on the output end of the upper mold rotation driving member 20. The upper mold rotation driven pulley 22 is sleeved on the outer surface of the upper mold rotation shaft sleeve 17, and the upper mold rotation belt 23 is sleeved on the outer surfaces of the upper mold rotation driving pulley 21 and the upper mold rotation driven pulley 22.

[0038] The above shows and describes the basic principles and main features of the present technical solution and the advantages of the present technical solution. Those skilled in the art should understand that the present technical solution is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present technical solution. Various changes and improvements may be made to the present technical solution without departing from the spirit and scope of the present technical solution. Such changes and improvements fall within the scope of the present technical solution for which protection is sought. The scope of protection claimed by the present technical solution is defined by the appended claims and their equivalents.

Claims

1. A vacuum cup welding machine, characterized in that: include: A frame (1) having a viewing window (2) at its front end and adjustment stations (3) on its left and right sides; a processing device (4), which is arranged on the machine frame (1) and has a processing station (5), wherein the processing station (5) is located at the viewing window (2); and A loading device (50) is provided in the frame (1) and located behind the processing device (4), and is used for loading the thermos cup into the processing station (5); The adjustment station (3) is used for personnel to adjust the parameters of the welding gun of the processing device (4); The processing device (4) comprises: a workbench (6) located at the viewing window (2); An upper mold mechanism (7), which is arranged above the workbench (6) and is used to lift and rotate the shell of the thermos cup; A lower mold mechanism (8), which is arranged below the workbench (6) and is used to lift and rotate the thermos cup base; as well as An adjusting mechanism (9) is arranged at the rear side of the workbench (6); a welding gun is arranged at the output end of the adjusting mechanism (9); and the adjusting mechanism (9) is used to adjust the welding position of the welding gun.

2. The thermos cup welding machine according to claim 1, characterized in that: Also included is a door opening and closing mechanism (10), which includes: Door opening and closing slide rails (11), which are arranged on the left and right side walls of the frame (1); and A switch door body (12) is provided with a switch door slider adapted to the switch door slide rail (11); After a person opens the switch door body (12) provided on the left or right of the frame (1), he or she can enter the adjustment station (3) to perform adjustment work.

3. The vacuum cup welding machine according to claim 2, characterized in that: The upper mold mechanism (7) comprises: An upper die lifting assembly (13) includes an upper die lifting driving member (14) and an upper die lifting rod (15) arranged at an output end of the upper die lifting driving member (14); An upper die rotating assembly (16), comprising an upper die rotating shaft sleeve (17), wherein the upper die rotating shaft sleeve (17) is sleeved outside the upper die lifting rod (15); and An upper mold pressing plate (18) is arranged at the lower end of the upper mold lifting rod (15) and is connected to the upper mold rotating shaft sleeve (17) through an upper mold rotating bearing (19); The upper mold lifting assembly (13) is used to control the lifting and lowering of the upper mold pressing plate (18), and the upper mold rotating assembly (16) is used to control the rotation of the upper mold pressing plate (18).

4. The thermos cup welding machine according to claim 3, characterized in that: The upper mold rotating assembly (16) further includes: An upper die rotation driving member (20) has an upper die rotation driving wheel (21) disposed on its output end outer cover; an upper die rotating driven wheel (22) sleeved on the outer side of the upper die rotating shaft sleeve (17); and The upper mold rotating belt (23) is sleeved outside the upper mold rotating driving wheel (21) and the upper mold rotating driven wheel (22).

5. The thermos cup welding machine according to claim 4, characterized in that: The lower mold mechanism (8) comprises: A lower die lifting assembly (24) includes a lower die lifting drive member (25) and a lower die lifting rod (26) arranged at the output end of the lower die lifting drive member (25); A lower die rotating assembly (27), comprising a lower die rotating shaft sleeve (28), wherein the lower die rotating shaft sleeve (28) is sleeved outside the lower die lifting rod (26); and A lower die support plate (29) is provided at the lower end of the lower die lifting rod (26) and is connected to the lower die rotating shaft sleeve (28) via a lower die rotating bearing (30); The lower die lifting assembly (24) is used to control the lifting and lowering of the lower die support plate (29), and the lower die rotating assembly (27) is used to control the rotation of the lower die support plate (29).

6. The thermos cup welding machine according to claim 5, characterized in that: The lower mold rotating assembly (27) further includes: A lower die rotation driving member (31) has an output end outer shell provided with a lower die rotation driving wheel (32); A lower die rotating driven wheel (33) sleeved on the outer side of the lower die rotating shaft sleeve (28); and The lower die rotating belt (34) is sleeved outside the lower die rotating driving wheel (32) and the lower die rotating driven wheel (33).

7. The thermos cup welding machine according to claim 6, characterized in that: The regulating mechanism (9) comprises: a first horizontal adjustment assembly (35), which is arranged on the frame (1) and is used for longitudinally adjusting the position of the welding gun; a second horizontal adjustment assembly (36), which is arranged on the first horizontal adjustment assembly (35) and is used to adjust the position of the welding gun laterally; and a vertical adjustment assembly (37), which is arranged on the second horizontal adjustment assembly (36) and is used to adjust the height of the welding gun; Wherein, the welding gun is arranged on a vertical adjustment component (37).

8. The thermos cup welding machine according to claim 7, characterized in that: The first level adjustment component (35) comprises: A first adjustment base (38) is provided on the frame (1), wherein a first adjustment slide rail (39) is provided on the first adjustment base (38); a first adjusting slider (40) movably arranged on the first adjusting slide rail (39); and A first adjusting rod (41) has a front end connected to the first adjusting slider (40) and a rear end threadedly arranged on the first adjusting base (38).

9. The thermos cup welding machine according to claim 8, characterized in that: The second level adjustment assembly (36) comprises: a second adjustment base (42) disposed on the first adjustment slider (40), wherein a second adjustment slide rail (43) is disposed on the second adjustment base (42); a second adjusting slider (44) movably arranged on the second adjusting slide rail (43); and The second adjusting rod (45) has a front end connected to the second adjusting slider (44) and a rear end threadedly arranged on the second adjusting base (42).

10. The vacuum cup welding machine according to claim 9, characterized in that: The vertical adjustment assembly (37) comprises: A vertical adjustment base (46) is provided on the second adjustment slider (44), and a vertical adjustment slide rail (47) is provided on the vertical adjustment base (46); A vertical adjustment slider (48) movably arranged on the vertical adjustment rail (47); and A vertical adjustment rod (49), the front end of which is connected to the vertical adjustment slider (48) and the rear end of which is threadedly arranged on the vertical adjustment base (46); The welding gun is arranged on a vertical adjustment slide block (48) in an inclined upward direction.