Automatic hot melting quick-change tool

By using multiple sets of conical positioning pins and tool identification induction block design in automated hot melt quick change tooling, the problem of inaccurate positioning of tooling is solved, the welding accuracy and quality is improved, and the tooling replacement process is simplified through modular design and reduced costs.

CN222972791UActive Publication Date: 2025-06-13SHANDONG KESEN AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202422129214.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-31
Publication Date
2025-06-13
Estimated Expiration
2034-08-31

AI Technical Summary

Technical Problem

The existing automated hot melt quick change tooling may have inaccurate positioning problems during the rapid replacement of tooling, which will affect welding accuracy and quality. At the same time, the tooling design is complex, increasing manufacturing difficulty and design cycle.

Method used

An automated hot melt quick change tooling including a base plate, reinforcement rod, downward mechanism, pushing mechanism and positioning mechanism is designed. Through multiple sets of conical positioning pins and tool identification sensing blocks, precise positioning of the quick-changing tool pallets is achieved, and the tool replacement process is simplified through modular design.

Benefits of technology

Improves the compatibility of tooling between different equipment, reduces manufacturing and maintenance costs, ensures welding accuracy and quality, and reduces tooling replacement time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of welding, in particular to an automatic hot melting quick-change tool which comprises a bottom plate, four sets of reinforcing rods are arranged at the top end of the bottom plate, a pressing mechanism is arranged at the top ends of the reinforcing rods, a positioning device is fixedly connected to the top end of a pushing block, and the positioning mechanism comprises a quick-change tool base. According to the automatic hot melting quick-change tool, a conical positioning pin in the positioning mechanism corresponds to a positioning hole formed in the top end of the quick-change tool supporting plate, and a tool identification induction block and a work identification switch are arranged, so that the production efficiency and the operation convenience are further improved, and the manufacturing and maintenance cost is reduced; the top end of the quick-change tool base is detachably connected with the third welding die and the fourth welding die, the quick-change tool supporting plate is conveniently and quickly replaced through the handle, the tool is designed to be of a modularized structure, different parts can be flexibly combined and replaced, the replacement time is shortened, the universality is improved, and the production efficiency is improved. Therefore, the tool has better compatibility between different devices.
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Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to an automatic hot-melt quick-change tooling. Background Art

[0002] An automatic hot-melt quick-change tooling is a special tool for plastic welding. Its main feature is that it can quickly replace different toolings to meet the welding requirements of plastic parts with different shapes and sizes. This kind of tooling is usually used in the manufacturing industry, especially in fields such as automobile manufacturing, home appliance production, and electronic product assembly. Existing automatic hot-melt quick-change toolings have some disadvantages. First, during the process of quickly replacing the tooling, there may be problems with inaccurate positioning, affecting the welding accuracy and quality. Second, in order to adapt to plastic parts with different shapes and sizes, the design of the tooling may be very complex, which not only increases the manufacturing difficulty but also may lead to an extended design cycle. To solve the above problems, we propose an automatic hot-melt quick-change tooling. Summary of the Invention

[0003] The main purpose of the utility model is to provide an automatic hot-melt quick-change tooling, which can effectively solve the problems in the background art.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] An automatic hot-melt quick-change tooling, including a bottom plate. Four groups of reinforcing rods are arranged at the top end of the bottom plate. A pressing mechanism is arranged at the top end of the reinforcing rods. A pushing mechanism is arranged at the rear of the bottom end of the bottom plate. The pushing device includes a bottom block. The top end of the bottom block is fixedly connected to the bottom plate. A rotating block is rotatably connected to the bottom block. A second air pump is fixedly connected to the front end of the rotating block. A connecting block is arranged at the front end of the second air pump. A pushing block is fixedly connected to the front end of the connecting block. A positioning device is fixedly connected to the top end of the pushing block. The positioning mechanism includes a quick-change tooling base. A fixing mechanism is arranged at the top end of the quick-change tooling base. The fixing mechanism includes multiple groups of support frames. The surface of the top end of the support frame is rotatably connected to a fixture bracket. One side wall of the fixture bracket is movably connected to a fixture plate. A bolt column is arranged at the bottom end of the fixture plate. A pressing block is arranged at the bottom end of the bolt column. A screw is threadedly connected to the bolt column. A connecting bracket is rotatably connected to the side wall of the support frame. A handle is arranged at the top end of the connecting bracket. A fixing plate is rotatably connected to the inner surface of the connecting bracket. A protruding plate is arranged on the side wall of the fixing plate. The bottom surface of the protruding plate abuts against the upper surface of the fixture bracket.

[0006] Preferably, the pressing mechanism includes a first guide plate. Holes are formed at the four corners of the first guide plate and are fixedly connected to sleeves. The inner side of the sleeve is slidably connected to the side wall of the reinforcing rod. The top end of the reinforcing rod is fixedly connected to a second guide plate. A number of first round holes are formed on the top surface of the second guide plate.

[0007] Preferably, a first air pump is provided at the top end of the second guide plate, a first transmission rod is provided at the bottom end of the first air pump, a plurality of groups of second circular holes are formed on the surface of the top end of the first guide plate, and the inner surfaces of the bottom ends of the two groups of second circular holes are respectively fixedly connected with a first welding assembly and a second welding assembly. The first welding assembly and the second welding assembly are respectively slidably connected with the two groups of first circular holes.

[0008] Preferably, a sliding groove is formed at one end of the top end of the bottom plate away from the bottom block. The sliding groove is slidably connected with the pushing block. A slide rail is fixedly connected to the top end of the bottom plate. A first limiting block is fixedly connected to the side wall of the slide rail away from the bottom block, and a second limiting block is fixedly connected to the side wall of the slide rail close to the bottom block. A plurality of groups of sliders are slidably connected to the side wall of the slide rail. The sliders are located between the first limiting block and the second limiting block. The bottom end and the top end of the quick-change tooling base are fixedly connected.

[0009] Preferably, the bottom end of the quick-change tooling base is fixedly connected to the top end of the pushing block. Four corners of the top end of the quick-change tooling base are respectively provided with conical positioning pins. A plurality of groups of first fixing frames are provided at one end of the top end of the bottom plate away from the bottom block. A first working identification switch is arranged on the side wall of the first fixing frame. A second fixing frame is provided at one end of the top end of the bottom plate close to the bottom block. A second working identification switch is arranged on the side wall of the second fixing frame.

[0010] Preferably, a quick-change mechanism is detachably connected to the top end of the quick-change tooling base. The quick-change mechanism includes a quick-change tooling pallet. Handles are provided at both ends of the top end of the quick-change tooling pallet. A plurality of groups of positioning holes are formed on the top end of the quick-change tooling pallet. The positioning holes are movably connected with the conical positioning pins. A tooling identification induction block is arranged on the side wall of the quick-change tooling pallet. The tooling identification induction block corresponds to the first working identification switch.

[0011] Preferably, a first welding die is fixedly connected to one side of the top end of the quick-change tooling pallet, and a second welding die is fixedly connected to the other side of the top end of the quick-change tooling pallet. A third welding die and a fourth welding die are respectively detachably connected to the top end of the quick-change tooling base.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The automated hot-melt quick-change tooling uses a plurality of groups of tapered positioning pins in a positioning mechanism to correspond one-to-one with the positioning holes provided on the top of the quick-change tooling pallet, thereby positioning the quick-change tooling pallet, and the first working identification switch and the tooling identification sensing block are mutually inductively coupled, thereby making the positioning of the quick-change tooling pallet more precise. When the quick-change tooling pallet moves to directly below the first welding assembly and the second welding assembly, the tooling identification sensing block and the second working identification switch are mutually inductively coupled, thereby making the positioning of the quick-change tooling pallet more precise. The tooling identification sensing block and the working identification switch technology are used to further improve production efficiency and operational convenience, thereby making the tooling more compatible between different equipment and reducing manufacturing and maintenance costs.

[0014] The automated hot-melt quick-change tooling is detachably connected to the third welding mold and the fourth welding mold through the top of the quick-change tooling base, and the quick-change tooling pallet is conveniently replaced quickly through the handle. The tooling is designed into a modular structure so that different parts can be flexibly combined and replaced, reducing replacement time, improving versatility, and making the tooling more compatible between different devices. The handshake in the fixing mechanism is rotated and pressed downward, so that the connecting bracket follows the handshake to rotate, thereby rotating the fixing plate, causing the bottom end of the protruding plate to collide with the upper surface of the fixture bracket, thereby pressing the fixture bracket to rotate around the side surface of the support frame, causing the lower surface of the lower pressure block to contact the upper surface of the quick-change tooling pallet, thereby fixing the quick-change tooling pallet and reducing manufacturing and maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a partial structural schematic diagram of the utility model;

[0017] Figure 3 This is a schematic cross-sectional view of a local structure of the utility model;

[0018] Figure 4 This is the second schematic diagram of the partial structure of the utility model;

[0019] Figure 5 The second schematic cross-sectional view of the local structure of the utility model;

[0020] Figure 6 The third is a schematic diagram of the local structure of the utility model.

[0021] In the figure: 1. Base plate; 12. Reinforcing rod; 13. First guiding plate; 14. Sleeve; 15. Second guiding plate; 16. First air pump; 17. First round hole; 18. Second round hole; 19. First transmission rod; 2. Bottom block; 21. Rotating block; 22. Second air pump; 23. Sliding groove; 24. Connecting block; 25. Pushing block; 26. Slide rail; 27. First limiting block; 28. Second limiting block; 29. Slide block; 3. Quick-change tooling base; 31. Tapered positioning pin; 33. First fixing bracket; 34. First working identification switch; 35. Second fixing bracket; 36. Second working identification switch; 37. First welding assembly; 38. Second welding assembly; 4. Support frame; 41. Fixture bracket; 42. Fixture plate; 43. Bolt column; 44. Pressing block; 45. Screw; 46. Connecting bracket; 47. Handshake; 48. Fixed plate; 49. Protruding plate; 5. Quick-change tooling support plate; 51. Handle; 52. Positioning hole; 53. First welding die; 54. Second welding die; 55. Tooling identification induction block; 56. Third welding die; 57. Fourth welding die. Detailed implementation manners

[0022] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with the specific implementation manners.

[0023] As Figure 1-6 shown, an automatic hot-melt quick-change tooling includes a base plate 1. Four groups of reinforcing rods 12 are arranged at the top end of the base plate 1. A pressing mechanism is arranged at the top end of the reinforcing rods 12. A pushing mechanism is arranged at the rear of the bottom end of the base plate 1. The pushing device includes a bottom block 2. The top end of the bottom block 2 is fixedly connected to the base plate 1. The bottom block 2 is rotatably connected to a rotating block 21. The front end of the rotating block 21 is fixedly connected to a second air pump 22. A connecting block 24 is arranged at the front end of the second air pump 22. The front end of the connecting block 24 is fixedly connected to a pushing block 25. A positioning device is fixedly connected to the top end of the pushing block 25. The positioning mechanism includes a quick-change tooling base 3. A fixing mechanism is arranged at the top end of the quick-change tooling base 3. The fixing mechanism includes multiple groups of support frames 4. The surface of the top end of the support frame 4 is rotatably connected to a fixture bracket 41. One side wall of the fixture bracket 41 is movably connected to a fixture plate 42. A bolt column 43 is arranged at the bottom end of the fixture plate 42. A pressing block 44 is arranged at the bottom end of the bolt column 43. The bolt column 43 is threadedly connected to a screw 45. The side wall of the support frame 4 is rotatably connected to a connecting bracket 46. A handshake 47 is arranged at the top end of the connecting bracket 46. The inner surface of the connecting bracket 46 is rotatably connected to a fixed plate 48. A protruding plate 49 is arranged on the side wall of the fixed plate 48. The bottom surface of the protruding plate 49 abuts against the upper surface of the fixture bracket 41.

[0024] In this embodiment, the pressing mechanism includes a first guide plate 13. Holes are formed at the four corners of the first guide plate 13 and are fixedly connected with sleeves 14. The inner side of the sleeves 14 is slidably connected with the side wall of the reinforcing rod 12. The top end of the reinforcing rod 12 is fixedly connected with a second guide plate 15. A number of groups of first round holes 17 are formed on the top surface of the second guide plate 15.

[0025] Specifically, the pressing mechanism is stably supported by the reinforcing rod 12. Through the sliding connection between the sleeve 14 and the side wall of the reinforcing rod 12, when the first guide plate 13 moves up and down, it is more stable.

[0026] In this embodiment, a first air pump 16 is arranged at the top end of the second guide plate 15. A first transmission rod 19 is arranged at the bottom end of the first air pump 16. A number of groups of second round holes 18 are formed on the top surface of the first guide plate 13. The inner surfaces of the bottom ends of the two groups of second round holes 18 are respectively fixedly connected with a first welding component 37 and a second welding component 38. The first welding component 37 and the second welding component 38 are respectively slidably connected with the two groups of first round holes 17.

[0027] Specifically, the operation of the first air pump 16 drives the first transmission rod 19 to move up and down, thereby driving the first guide plate 13 to move up and down. By driving the first welding component 37 and the second welding component 38 to move up and down, welding is performed on the first welding die 53 and the fourth welding die 57.

[0028] In this embodiment, a sliding groove 23 is formed at one end of the top of the bottom plate 1 away from the bottom block 2. The sliding groove 23 is slidably connected with a pushing block 25. A slide rail 26 is fixedly connected to the top of the bottom plate 1. A first limit block 27 is fixedly connected to the side wall of the slide rail 26 away from the bottom block 2. A second limit block 28 is fixedly connected to the side wall of the slide rail 26 close to the bottom block 2. A plurality of groups of sliders 29 are slidably connected to the side wall of the slide rail 26. The sliders 29 are located between the first limit block 27 and the second limit block 28. The bottom end of the quick-change tooling base 3 is fixedly connected to the top ends of the plurality of groups of sliders 29.

[0029] Specifically, the operation of the second air pump 22 drives the connecting block 24 to move, thereby driving the pushing block 25 to move, so that the pushing block 25 slides in the sliding groove 23. The sliders 29 are limited by the first limit block 27 and the second limit block 28. By the plurality of groups of sliders 29 sliding on the side wall of the slide rail 26, the quick-change tooling base 3 can move stably.

[0030] In this embodiment, the bottom end of the quick-change tooling base 3 is fixedly connected to the top end of the pushing block 25. Four corners of the top end of the quick-change tooling base 3 are respectively provided with conical positioning pins 31. A plurality of groups of first fixing frames 33 are arranged at one end of the top of the bottom plate 1 away from the bottom block 2. A first working identification switch 34 is arranged on the side wall of the first fixing frame 33. A second fixing frame 35 is arranged at one end of the top of the bottom plate 1 close to the bottom block 2. A second working identification switch 36 is arranged on the side wall of the second fixing frame 35.

[0031] Specifically, a plurality of sets of conical positioning pins 31 correspond to the positioning holes 52 of the quick-change tooling pallet 5 one by one, so as to position the quick-change tooling pallet 5. The first working identification switch 34 and the tooling identification induction block 55 interact with each other, so that the positioning of the quick-change tooling pallet 5 is more accurate.

[0032] In this embodiment, a quick-change mechanism is detachably connected to the top of the quick-change tooling base 3. The quick-change mechanism includes a quick-change tooling pallet 5. Handles 51 are arranged at both ends of the top of the quick-change tooling pallet 5. A plurality of sets of positioning holes 52 are formed in the top of the quick-change tooling pallet 5. The positioning holes 52 are movably connected to the conical positioning pins 31. A tooling identification induction block 55 is arranged on the side wall of the quick-change tooling pallet 5. The tooling identification induction block 55 corresponds to the first working identification switch 34.

[0033] Specifically, when the quick-change tooling pallet 5 moves to directly below the first welding assembly and the second welding assembly, the tooling identification induction block 55 and the second working identification switch 36 interact with each other, making the positioning of the quick-change tooling pallet 5 more accurate, so as to ensure the welding accuracy and quality. The handle 51 facilitates the replacement of the quick-change tooling pallet 5.

[0034] In this embodiment, a first welding die 53 is fixedly connected to one side of the top of the quick-change tooling pallet 5, and a second welding die 54 is fixedly connected to the other side of the top of the quick-change tooling pallet 5. A third welding die 56 and a fourth welding die 57 are respectively and detachably connected to the top of the quick-change tooling base 3.

[0035] Specifically, the top of the quick-change tooling base 3 is respectively detachably connected to the third welding die 56 and the fourth welding die 57, and can be quickly replaced.

[0036] It should be noted that the present utility model is an automatic hot-melt quick-change tooling. The user can detachably connect the top end of the quick-change tooling base 3 to the third welding die 56 and the fourth welding die 57 respectively, and can conveniently replace the quick-change tooling pallet 5 through the handle 51. Multiple sets of tapered positioning pins 31 in the positioning mechanism correspond to the positioning holes 52 opened at the top end of the quick-change tooling pallet 5 one by one, so as to position the quick-change tooling pallet 5. The first working identification switch 34 and the tooling identification induction block 55 interact with each other, so that the positioning of the quick-change tooling pallet 5 is more accurate. By rotating the handshake 47 in the fixing mechanism and pressing downwards, the connecting bracket 46 rotates following the handshake 47, so that the fixing plate 48 rotates, and the bottom end of the protruding plate 49 abuts against the upper surface of the fixture bracket 41, so as to press the fixture bracket 41 to rotate around the side surface of the support frame 4, and the lower surface of the pressing block 44 contacts the upper surface of the quick-change tooling pallet 5, so as to fix the quick-change tooling pallet 5. By the operation of the second air pump 22 in the pushing mechanism, the connecting block 24 is driven to move, so as to drive the pushing block 25 to move, and the pushing block 25 slides in the sliding groove 23. The first limiting block 27 and the second limiting block 28 limit the slider 29. By multiple sets of sliders 29 sliding on the side wall of the slide rail 26, the quick-change tooling base 3 can move stably. When the quick-change tooling pallet 5 moves to directly below the first welding assembly and the second welding assembly, the tooling identification induction block 55 and the second working identification switch 36 interact with each other, so that the positioning of the quick-change tooling pallet 5 is more accurate, thus ensuring the welding accuracy and quality. By the operation of the first air pump 16 in the pressing mechanism, the first transmission rod 19 is driven to move up and down, so as to drive the first guide plate 13 to move up and down. The reinforcing rod 12 stably supports the pressing mechanism. By the sliding connection between the sleeve 14 and the side wall of the reinforcing rod 12, when the first guide plate 13 moves up and down, it is more stable. By driving the first welding assembly 37 and the second welding assembly 38 to move up and down, the first welding die 53 and the fourth welding die 57 are welded.

[0037] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An automated hot melt quick-change tool, comprising a base plate (1), characterized in that: Four groups of reinforcing rods (12) are arranged at the top of the bottom plate (1), and a pressing mechanism is arranged at the top of the reinforcing rods (12). A pushing mechanism is arranged at the rear of the bottom end of the bottom plate (1), and the pushing mechanism comprises a bottom block (2), and the top of the bottom block (2) is fixedly connected to the bottom plate (1). The bottom block (2) is rotatably connected to a rotating block (21), and the front end of the rotating block (21) is fixedly connected to a second air pump (22). The front end of the second air pump (22) is provided with a connecting block (24), and the front end of the connecting block (24) is fixedly connected to a pushing block (25). The top end of the pushing block (25) is fixedly connected to a positioning device, and the positioning device comprises a quick-change tooling base (3), and the top end of the quick-change tooling base (3) is provided with a fixing mechanism, and the fixing mechanism comprises The invention comprises a plurality of support frames (4), wherein the top surface of the support frame (4) is rotatably connected to a clamp bracket (41), a side wall at one end of the clamp bracket (41) is movably connected to a clamp plate (42), a bolt column (43) is arranged at the bottom end of the clamp plate (42), a lower pressing block (44) is arranged at the bottom end of the bolt column (43), a screw (45) is threadedly connected to the bolt column (43), a connecting bracket (46) is rotatably connected to the side wall of the support frame (4), a handshake (47) is arranged at the top end of the connecting bracket (46), an inner surface of the connecting bracket (46) is rotatably connected to a fixing plate (48), a side wall of the fixing plate (48) is arranged with a protruding plate (49), and the bottom end surface of the protruding plate (49) is in conflict with the upper surface of the clamp bracket (41).

2. The automatic hot melt quick-change tooling according to claim 1 is characterized in that: The pressing mechanism comprises a first guide plate (13), the first guide plate (13) is provided with holes at four corners and is fixedly connected with a sleeve (14), the inner side of the sleeve (14) is slidably connected with the side wall of the reinforcement rod (12), the top end of the reinforcement rod (12) is fixedly connected with a second guide plate (15), and the top surface of the second guide plate (15) is provided with a plurality of groups of first circular holes (17).

3. The automatic hot melt quick change tooling according to claim 2 is characterized in that: A first air pump (16) is arranged at the top end of the second guide plate (15), a first transmission rod (19) is arranged at the bottom end of the first air pump (16), a plurality of groups of second circular holes (18) are opened on the top surface of the first guide plate (13), a first welding assembly (37) and a second welding assembly (38) are respectively fixedly connected to the inner surfaces of the bottom ends of the two groups of the second circular holes (18), and the first welding assembly (37) and the second welding assembly (38) are respectively slidably connected to the two groups of the first circular holes (17).

4. The automated hot melt quick-change tooling according to claim 1 is characterized in that: A sliding groove (23) is provided at one end of the top of the bottom plate (1) away from the bottom block (2), and the sliding groove (23) is slidably connected to the push block (25). A sliding rail (26) is fixedly connected to the top of the bottom plate (1), and a first limit block (27) is fixedly connected to a side wall of the sliding rail (26) away from the bottom block (2), and a second limit block (28) is fixedly connected to a side wall of the sliding rail (26) close to the bottom block (2). Multiple groups of sliding blocks (29) are slidably connected to the side wall of the sliding rail (26), and the sliding blocks (29) are located between the first limit block (27) and the second limit block (28). The bottom end of the quick-change tooling base (3) is fixedly connected to the tops of the multiple groups of sliding blocks (29).

5. The automated hot melt quick-change tooling according to claim 1 is characterized in that: The bottom end of the quick-change tool base (3) is fixedly connected to the top end of the push block (25); four corners of the top end of the quick-change tool base (3) are respectively provided with conical positioning pins (31); a plurality of first fixing frames (33) are provided at one end of the top end of the base plate (1) away from the bottom block (2); a first working identification switch (34) is provided on a side wall of the first fixing frame (33); a second fixing frame (35) is provided at one end of the top end of the base plate (1) close to the bottom block (2); a second working identification switch (36) is provided on a side wall of the second fixing frame (35).

6. The automated hot melt quick-change tooling according to claim 1 is characterized in that: The top of the quick-change tool base (3) is detachably connected to a quick-change mechanism, the quick-change mechanism comprising a quick-change tool support plate (5), handles (51) are provided at both ends of the top of the quick-change tool support plate (5), a plurality of groups of positioning holes (52) are provided at the top of the quick-change tool support plate (5), the positioning holes (52) are movably connected to the conical positioning pins (31), and a tool identification sensing block (55) is provided on the side wall of the quick-change tool support plate (5), the tool identification sensing block (55) corresponding to the first work identification switch (34).

7. The automated hot melt quick-change tooling according to claim 6 is characterized in that: A first welding mould (53) is fixedly connected to one side of the top end of the quick-change tooling support plate (5), a second welding mould (54) is fixedly connected to the other side of the top end of the quick-change tooling support plate (5), and a third welding mould (56) and a fourth welding mould (57) are detachably connected to the top end of the quick-change tooling base (3).