Automatic external welding assembly machine for fuses

Abstract

The utility model discloses an automatic fuse external welding assembly machine which comprises a machine body, a rotating disc mechanism is arranged on the machine body, and a plurality of material clamping clamps are arranged on the rotating disc mechanism. A porcelain tube feeding device, an empty welding tube pushing device, a porcelain tube correcting device, a fuse wire feeding device, a first fuse wire shearing device, a first fuse wire guiding device, a one-end welding device, a one-end tin wire feeding device, a second fuse wire shearing device, a turnover device, a second fuse wire guiding device, a third fuse wire shearing device and a sand filling device are distributed around the rotating disc mechanism in a surrounding mode. A heating device, a two-end welding device, a two-end tin wire feeding device, a resistance detection device, a good product discharging device and a defective product discharging device are arranged on the rotating disc mechanism, and a fuse wire supporting plate is arranged between the rotating disc mechanism and the first fuse wire shearing device, the first fuse wire guiding device, the one-end welding device and the one-end tin wire feeding device. According to the automatic fuse external welding assembly machine, a preheating link is introduced before assembly, a product is preheated through the hot air gun and the soldering iron, the temperature of a welding spot is increased, gas is made to escape more easily in the welding process, air holes are avoided, the welding quality is improved, and the product percent of pass is increased.

Description

Technical Field

[0001] This utility model relates to the field of fuse manufacturing technology, and in particular to an automatic external welding assembly machine for fuses. Background Technology

[0002] With the advancement of technology, the level of automation in product manufacturing has been greatly improved. Tubular fuses, in particular, have been gradually replaced by automated fuse welding equipment because traditional manual processing methods suffered from high losses, high costs, complex operations, and poor product quality. While most automated welding and assembly equipment on the market can complete welding operations, these devices generally lack effective measures to prevent porosity. The absence of a preheating stage during welding means that gas cannot escape in time during the weld formation, leading to product defects and a low product yield. Utility Model Content

[0003] The purpose of this utility model is to provide an automatic external welding assembly machine for fuses, which aims to solve the above-mentioned technical problems. This utility model automatic external welding assembly machine for fuses has the advantages of improving welding quality, solving the problem of porosity caused by welding, and increasing product qualification rate.

[0004] To achieve the above objectives, this utility model employs the following technical solution:

[0005] An automatic fuse external welding assembly machine includes a body with a turntable mechanism on the body. The turntable mechanism has several clamping devices. Around the turntable mechanism are arranged a series of devices: a ceramic tube feeding device, an empty welding tube pushing device, a ceramic tube straightening device, a fuse feeding device, a first fuse cutting device, a first fuse guiding device, a one-end welding device, a one-end solder wire feeding device, a second fuse cutting device, a flipping device, a second fuse guiding device, a third fuse cutting device, a sand filling device, a heating device, a two-end welding device, a two-end solder wire feeding device, a resistance detection device, a good product unloading device, and a defective product unloading device. The one-end solder wire feeding device is located on one side of the one-end welding device, and the two-end solder wire feeding device is located on one side of the two-end welding device. A fuse support plate is provided between the turntable mechanism and the first fuse cutting device, the first fuse guiding device, the one-end welding device, and the one-end solder wire feeding device.

[0006] Preferably, the one-end welding device includes a one-end welding support, a one-end welding drive, a first slide rail slider structure, and a heating soldering iron. The slide rail of the first slide rail slider structure and the one-end welding drive are both mounted on the one-end welding support. The output end of the one-end welding drive is connected to the slider of the first slide rail slider structure, and the slider of the first slide rail slider structure is connected to the heating soldering iron.

[0007] Preferably, the one-end solder wire feeding device includes a one-end solder wire feeding support, a one-end solder wire roll, a one-end solder passing roll, and a one-end solder passing block, wherein the one-end solder wire roll, the one-end solder passing roll, and the one-end solder passing block are all installed on the one-end solder wire feeding support.

[0008] Preferably, the flipping device includes a flipping support base, a second slide rail slider structure, a flipping drive component, and a flipping push drive component, wherein the slide rail of the second slide rail slider structure and the flipping push drive component are both mounted on the flipping support base.

[0009] Preferably, the slider of the second slide rail slider structure is provided with a flip drive support seat, the output end of the flip push drive component is connected to the flip drive support seat, the flip drive component is mounted on the flip drive support seat, and the output end of the flip drive component is provided with a clamping component.

[0010] Preferably, the heating device includes a heating support base and a hot air gun, wherein the hot air gun is mounted on the heating support base.

[0011] Preferably, the two-end welding device includes a two-end welding support, a two-end welding drive, a two-end welding head, and a third slide rail slider structure. The slide rails of the two-end welding drive and the third slide rail slider structure are both mounted on the two-end welding support. The output end of the two-end welding drive is connected to the slider of the third slide rail slider structure, and one end of the two-end welding head is connected to the slider of the third slide rail slider structure.

[0012] Preferably, the two-end solder wire feeding device includes a two-end solder wire feeding support, a two-end solder wire roll, a two-end soldering roll, and a two-end soldering block, wherein the two-end solder wire roll, the two-end soldering roll, and the two-end soldering block are all installed on the two-end solder wire feeding support.

[0013] Preferably, the fused wire feeding device includes a fused wire feeding support, a winding drum, a wire feeding roller, a straight wire assembly, and a wire guiding structure. The winding drum, the wire feeding roller, the straight wire assembly, and the wire guiding structure are all installed on one side wall of the fused wire feeding support, and the wire guiding structure is located below the straight wire assembly.

[0014] Preferably, the machine body is further equipped with a control system, and the ceramic tube feeding device, the empty welding tube pushing device, the ceramic tube straightening device, the fuse feeding device, the first fuse cutting device, the first fuse guiding device, the one-end welding device, the one-end tin wire feeding device, the second fuse cutting device, the flipping device, the second fuse guiding device, the third fuse cutting device, the sand filling device, the heating device, the two-end welding device, the two-end tin wire feeding device, the resistance detection device, the good product unloading device, and the defective product unloading device are all electrically connected to the control system.

[0015] This utility model of an automatic external welding assembly machine for fuses has the following beneficial effects:

[0016] 1. The present invention relates to an automatic external welding assembly machine for fuses, which introduces a preheating process before assembly. The product is preheated using a hot air gun and a heated soldering iron: before welding one end, the heated soldering iron is pressed down onto the fuse welding tube for preheating, and then the solder is automatically fed to weld the product. Before welding the other two ends, the product is preheated with a hot air gun, and then the solder is fed to weld the product. This increases the temperature of the solder joint, making it easier for gas to escape during welding and avoiding the formation of porosity.

[0017] 2. This utility model of an automatic external welding assembly machine for fuses optimizes the design of the turntable fixture, adopts a fixture arrangement of 16 pieces or more, strengthens the fixation of the product, ensures the stability of welding, adds corresponding detection functions to each station, conducts more comprehensive inspection of the product, improves the quality control in the process, and effectively reduces the porosity defect rate and improves the product qualification rate without changing the energy consumption of the equipment. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the automatic external welding assembly machine for fuses according to this utility model;

[0019] Figure 2 This is a top view of the automatic external welding assembly machine for fuses according to this utility model;

[0020] Figure 3 for Figure 2 The diagram shows a structure without the organism. Figure 1 ;

[0021] Figure 4 for Figure 2 The diagram shows a structure without the organism. Figure 2 ;

[0022] Figure 5 for Figure 4 The diagram shows a structural schematic of a feeding device without ceramic tubes.

[0023] Figure 6 for Figure 2 The diagram shows a welding device at one end and a solder wire feeding device at the other end.

[0024] Figure 7 for Figure 2 The diagram shows the structure of the flipping device.

[0025] The diagram is labeled as follows: 1. Machine body; 2. Turntable mechanism; 3. Clamping clamp; 4. Ceramic tube feeding device; 5. Empty welding tube pushing device; 6. Ceramic tube straightening device; 7. Fuse wire feeding device; 8. First fuse wire cutting device; 9. First fuse wire guiding device; 10. One-end welding device; 11. One-end solder wire feeding device; 12. Second fuse wire cutting device; 13. Tilting device; 14. Second fuse wire guiding device; 15. Third fuse wire cutting device; 16. Sand filling device; 17. Heating device; 18. Two-end welding device; 19. Two-end solder wire feeding device; 20. Resistance detection device; 21. Good product unloading device; 22. Defective product unloading device; 23. Control system; 24. One-end welding support; 25. 1. Welding drive unit at one end; 26. First slide rail slider structure; 27. Heating soldering iron; 28. Solder wire feeding support base at one end; 29. ​​Solder wire roll at one end; 30. Solder roll at one end; 31. Solder block at one end; 32. Flip support base; 33. Second slide rail slider structure; 34. Flip drive unit; 35. Flip push drive unit; 36. Flip drive support base; 37. Fuse wire feeding support base; 38. Wire winding drum; 39. Wire feeding roller; 40. Straight wire assembly; 41. Wire feeding structure; 42. Empty welding tube push drive unit; 43. Empty welding tube clamping cylinder; 44. Fourth slide rail slider structure; 45. Empty welding tube temporary storage base; 46. First fuse wire cutting drive unit; 47. Shearing cylinder; 48. Sixth slide rail slider structure. Detailed Implementation

[0026] To enable those skilled in the art to better understand the technical solution of this utility model, the product of this utility model will be further described in detail below with reference to the embodiments and accompanying drawings.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0029] like Figure 1 and Figure 2As shown, an automatic fuse external welding assembly machine includes a body 1, a turntable mechanism 2 on the body 1, a plurality of clamping clamps 3 on the turntable mechanism 2, and a ceramic tube feeding device 4, an empty welding tube pushing device 5, a ceramic tube straightening device 6, a fuse feeding device 7, a first fuse cutting device 8, a first fuse guiding device 9, a one-end welding device 10, a one-end solder wire feeding device 11, a second fuse cutting device 12, a flipping device 13, a second fuse guiding device 14, and a third fuse... The device includes a shearing device 15, a sand-filling device 16, a heating device 17, a two-end welding device 18, a two-end solder wire feeding device 19, a resistance detection device 20, a good product unloading device 21, and a defective product unloading device 22. The one-end solder wire feeding device 11 is located on one side of the one-end welding device 10, and the two-end solder wire feeding device 19 is located on one side of the two-end welding device 18. A fuse support plate is provided between the turntable mechanism 2 and the first fuse shearing device 8, the first fuse guiding device 9, the one-end welding device 10, and the one-end solder wire feeding device 11.

[0030] It should be noted that the turntable mechanism 2 is responsible for sequentially feeding the fuses to be processed into the welding area;

[0031] The clamp 3 is used to secure the fuse, ensuring its stability during welding and testing.

[0032] The ceramic tube feeding device 4 is used to provide empty welded tubes;

[0033] The empty welding pipe pushing device 5 delivers the empty welding pipe to the clamping clamp 3;

[0034] The ceramic tube straightening device 6 performs centering and straightening of the empty welded tube;

[0035] The molten wire feeding device 7 feeds the molten wire into the empty welding pipe; the first molten wire cutting device 8 cuts the molten wire to the required length.

[0036] The first fuse guiding device 9 guides the fuse and detects whether there is a fuse.

[0037] The one-end solder wire feeding device 11 feeds the solder wire into one end of the welding pipe;

[0038] The one-end welding device 10 is first preheated by the heating soldering iron 27, and then the solder wire is welded to one end of the fuse.

[0039] The second fuse cutting device 12 cuts off excess solder wire; the flipping device 13 flips the fuse to allow soldering at the other end.

[0040] The second fuse guiding device 14 guides the fuse position;

[0041] The third fuse shearing device 15 cuts off the excess solder wire;

[0042] The sand filling device 16 fills the welded pipe with insulating sand to provide explosion protection.

[0043] The heating device 17 preheats the fuse and welding nozzle to improve the subsequent welding effect;

[0044] The two-end solder wire feeding device 19 feeds the solder wire into the other end of the welding pipe;

[0045] The two-end welding device 18 welds the solder wire to the other end of the fuse;

[0046] The resistance detection device 20 detects whether the welded joint is good and whether there are problems such as short circuit or open circuit.

[0047] The good product unloading device 21 unloads qualified welding fuses; the defective product unloading device 22 unloads unqualified welding fuses.

[0048] It should be further explained that, in this embodiment, a vacuum testing device can also be installed on one side of the ceramic tube straightening device 6 to check whether the ceramic tube is cracked by vacuum pressure testing on the fixture.

[0049] like Figure 6 As shown, the one-end welding device 10 includes a one-end welding support 24, a one-end welding drive 25, a first slide rail slider structure 26, and a heating soldering iron 27. The slide rail of the first slide rail slider structure 26 and the one-end welding drive 25 are both mounted on the one-end welding support 24. The output end of the one-end welding drive 25 is connected to the slider of the first slide rail slider structure 26, and the slider of the first slide rail slider structure 26 is connected to the heating soldering iron 27.

[0050] It should be noted that before soldering one end, the heated soldering iron 27 is pressed down onto the soldering tube with the fused wire in place for preheating, and then the solder is automatically fed to solder the product.

[0051] like Figure 6 As shown, the one-end solder wire feeding device 11 includes a one-end solder wire feeding support 28, a one-end solder wire roll 29, a one-end solder passing roll 30, and a one-end solder passing block 31. The one-end solder wire roll 29, the one-end solder passing roll 30, and the one-end solder passing block 31 are all installed on the one-end solder wire feeding support 28.

[0052] like Figure 7As shown, the flipping device 13 includes a flipping support base 32, a second slide rail slider structure 33, a flipping drive component 34, and a flipping push drive component 35. The slide rail of the second slide rail slider structure 33 and the flipping push drive component 35 are both mounted on the flipping support base 32. The output end of the flipping drive component 34 is provided with a clamping clamp for holding the product.

[0053] like Figure 7 As shown, the slider of the second slide rail slider structure 33 is provided with a flip drive support 36, the output end of the flip push drive 35 is connected to the flip drive support 36, the flip drive 34 is installed on the flip drive support 36, and the output end of the flip drive 34 is provided with a clamping component.

[0054] like Figures 2 to 5 As shown, the heating device 17 includes a heating support base and a hot air gun, with the hot air gun mounted on the heating support base.

[0055] It should be noted that before soldering at both ends, the product should be preheated with a hot air gun before being soldered.

[0056] like Figures 2 to 6 As shown, the two-end welding device 18 includes a two-end welding support, a two-end welding drive, a two-end welding head, and a third slide rail slider structure. The slide rails of the two-end welding drive and the third slide rail slider structure are both mounted on the two-end welding support. The output end of the two-end welding drive is connected to the slider of the third slide rail slider structure, and one end of the two-end welding head is connected to the slider of the third slide rail slider structure.

[0057] like Figures 2 to 6 As shown, the two-end solder wire feeding device 19 includes a two-end solder wire feeding support, a two-end solder wire roll, a two-end solder guide roll, and a two-end solder guide block. The two-end solder wire roll, the two-end solder guide roll, and the two-end solder guide block are all installed on the two-end solder wire feeding support. The two-end solder wire feeding device 19 has the same structure as the one-end solder wire feeding device 11.

[0058] like Figure 5 As shown, the fused wire feeding device 7 includes a fused wire feeding support 37, a wire winding drum 38, a wire feeding roller 39, a straight wire assembly 40, and a wire guiding structure 41. The wire winding drum 38, the wire feeding roller 39, the straight wire assembly 40, and the wire guiding structure 41 are all installed on one side wall of the fused wire feeding support 37, and the wire guiding structure 41 is located below the straight wire assembly 40.

[0059] like Figure 2As shown, the machine body 1 is also equipped with a control system 23. The ceramic tube feeding device 4, the empty welding tube pushing device 5, the ceramic tube straightening device 6, the fuse feeding device 7, the first fuse cutting device 8, the first fuse guiding device 9, the one-end welding device 10, the one-end tin wire feeding device 11, the second fuse cutting device 12, the flipping device 13, the second fuse guiding device 14, the third fuse cutting device 15, the sand filling device 16, the heating device 17, the two-end welding device 18, the two-end tin wire feeding device 19, the resistance detection device 20, the good product unloading device 21, and the defective product unloading device 22 are all electrically connected to the control system 23.

[0060] like Figure 4 As shown, the empty welded pipe pushing device 5 in this embodiment includes an empty welded pipe pushing drive 42, an empty welded pipe clamping cylinder 43, a fourth slide rail slider structure 44, and an empty welded pipe temporary storage seat 45. The empty welded pipe is pushed onto the clamping clamp 3 by the cooperation between the empty welded pipe pushing drive 42, the empty welded pipe clamping cylinder 43, the fourth slide rail slider structure 44, and the empty welded pipe temporary storage seat 45.

[0061] like Figures 2 to 6 As shown, the ceramic tube straightening device 6 in this embodiment includes a straightening clamp and a ceramic tube straightening drive for driving the straightening clamp.

[0062] like Figure 5 As shown, the first fuse shearing device 8 in this embodiment includes a first fuse shearing drive 46, a shearing cylinder 47, and a sixth slide rail slider structure 48. Excess fuse is sheared through the cooperation between the first fuse shearing drive 46, the shearing cylinder 47, the sixth slide rail slider structure 48, and the fuse support plate.

[0063] like Figures 2 to 6 As shown, the structures of the second fuse cutting device 12 and the third fuse cutting device 15 in this embodiment are the same as those of the first fuse cutting device 8, so they will not be described in detail here. It should be noted that the driving component or driver in this embodiment is a common driving component, such as a motor or cylinder.

[0064] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. An automatic external welding assembly machine for fuses, characterized in that: The device includes an organic body (1), on which a turntable mechanism (2) is provided. The turntable mechanism (2) is provided with several clamping clips (3). Around the turntable mechanism (2), a ceramic tube feeding device (4), an empty welding tube pushing device (5), a ceramic tube straightening device (6), a fuse feeding device (7), a first fuse cutting device (8), a first fuse guiding device (9), a one-end welding device (10), a one-end tin wire feeding device (11), a second fuse cutting device (12), a flipping device (13), a second fuse guiding device (14), and a third fuse cutting device (15) are arranged in a ring. The device includes a sand filling device (16), a heating device (17), a two-end welding device (18), a two-end solder wire feeding device (19), a resistance detection device (20), a good product unloading device (21), and a defective product unloading device (22). The one-end solder wire feeding device (11) is located on one side of the one-end welding device (10), and the two-end solder wire feeding device (19) is located on one side of the two-end welding device (18). A fuse support plate is provided between the turntable mechanism (2) and the first fuse cutting device (8), the first fuse guiding device (9), the one-end welding device (10), and the one-end solder wire feeding device (11).

2. The automatic external welding assembly machine for fuses according to claim 1, characterized in that: The one-end welding device (10) includes a one-end welding support (24), a one-end welding drive (25), a first slide rail slider structure (26), and a heating soldering iron (27). The slide rail of the first slide rail slider structure (26) and the one-end welding drive (25) are both mounted on the one-end welding support (24). The output end of the one-end welding drive (25) is connected to the slider of the first slide rail slider structure (26), and the slider of the first slide rail slider structure (26) is connected to the heating soldering iron (27).

3. The automatic external welding assembly machine for fuses according to claim 1, characterized in that: The one-end solder wire feeding device (11) includes a one-end solder wire feeding support (28), a one-end solder wire roll (29), a one-end solder passing roll (30), and a one-end solder passing block (31). The one-end solder wire roll (29), the one-end solder passing roll (30), and the one-end solder passing block (31) are all installed on the one-end solder wire feeding support (28).

4. The automatic external welding assembly machine for fuses according to claim 1, characterized in that: The flipping device (13) includes a flipping support base (32), a second slide rail slider structure (33), a flipping drive (34), and a flipping push drive (35). The slide rail of the second slide rail slider structure (33) and the flipping push drive (35) are both mounted on the flipping support base (32).

5. The automatic external welding assembly machine for fuses according to claim 4, characterized in that: The second slide rail slider structure (33) has a flip drive support seat (36) on its slider. The output end of the flip push drive (35) is connected to the flip drive support seat (36). The flip drive (34) is mounted on the flip drive support seat (36). The output end of the flip drive (34) is provided with a clamping component.

6. The automatic external welding assembly machine for fuses according to claim 1, characterized in that: The heating device (17) includes a heating support base and a hot air gun, the hot air gun being mounted on the heating support base.

7. The automatic external welding assembly machine for fuses according to claim 1, characterized in that: The two-end welding device (18) includes a two-end welding support, a two-end welding drive, a two-end welding head, and a third slide rail slider structure. The slide rails of the two-end welding drive and the third slide rail slider structure are both mounted on the two-end welding support. The output end of the two-end welding drive is connected to the slider of the third slide rail slider structure, and one end of the two-end welding head is connected to the slider of the third slide rail slider structure.

8. The automatic external welding assembly machine for fuses according to claim 1, characterized in that: The two-end solder wire feeding device (19) includes a two-end solder wire feeding support, a two-end solder wire roll, a two-end solder passing roll, and a two-end solder passing block. The two-end solder wire roll, the two-end solder passing roll, and the two-end solder passing block are all installed on the two-end solder wire feeding support.

9. The automatic external welding assembly machine for fuses according to claim 1, characterized in that: The fused wire feeding device (7) includes a fused wire feeding support (37), a wire winding drum (38), a wire feeding roller (39), a straight wire assembly (40), and a wire guiding structure (41). The wire winding drum (38), the wire feeding roller (39), the straight wire assembly (40), and the wire guiding structure (41) are all installed on one side wall of the fused wire feeding support (37), and the wire guiding structure (41) is located below the straight wire assembly (40).

10. The automatic external welding assembly machine for fuses according to claim 1, characterized in that: The machine body (1) is also equipped with a control system (23). The ceramic tube feeding device (4), the empty welding tube pushing device (5), the ceramic tube straightening device (6), the fuse feeding device (7), the first fuse cutting device (8), the first fuse guiding device (9), the one-end welding device (10), the one-end tin wire feeding device (11), the second fuse cutting device (12), the flipping device (13), the second fuse guiding device (14), the third fuse cutting device (15), the sand filling device (16), the heating device (17), the two-end welding device (18), the two-end tin wire feeding device (19), the resistance detection device (20), the good product unloading device (21), and the defective product unloading device (22) are all electrically connected to the control system (23).

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