A relay heat seal device

Abstract

The utility model relates to relay packaging equipment's technical field, and particularly relates to a relay heat sealing device, and it is fixed to relay when heat sealing through the setting clamping device, and the heat sealing quality is promoted, including the fuselage, still including rotating device, clamping device, heat sealing device and conveyer, and rotating device and heat sealing device all install on the fuselage, and clamping device installs on rotating device, and conveyer installs on heat sealing device, the fuselage provides support, and rotating device drives clamping device to rotate, and clamping device clamps relay, and heat sealing device heat seals relay, and conveyer conveys welding wire.

Description

Technical Field

[0001] This utility model relates to the technical field of relay packaging equipment, and in particular to a relay heat sealing device. Background Technology

[0002] A relay is an electrical control device that causes a predetermined step change in the controlled quantity in the electrical output circuit when the change in the input quantity reaches a specified requirement. Relays need to be packaged after assembly.

[0003] Existing relay packaging equipment, such as the Chinese utility model patent CN212434542U, which describes a relay heat sealing device, mainly consists of a material distribution device, a heat sealing head, and a pressure plate. The material distribution device works with the pressure plate to transport relays in groups, and the heat sealing head heat seals the relays.

[0004] However, the existing technology and equipment still have the following problems when in use: the existing machines lack the ability to fix the relay during heat sealing, which makes the relay easy to bend during heat sealing, resulting in poor heat sealing quality. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a relay heat sealing device that improves the heat sealing quality by setting a clamping device to fix the relay during heat sealing.

[0006] This utility model discloses a relay heat sealing device, including a machine body; it also includes a rotating device, a clamping device, a heat sealing device, and a conveying device. The rotating device and the heat sealing device are both mounted on the machine body, the clamping device is mounted on the rotating device, and the conveying device is mounted on the heat sealing device. The machine body provides support, the rotating device drives the clamping device to rotate, the clamping device clamps the relay, the heat sealing device heat seals the relay, and the conveying device conveys the welding wire.

[0007] Preferably, the body includes a base plate and a column, with the column fixedly installed on the top of the base plate to provide support.

[0008] Preferably, the rotating device includes a first bracket, a first motor, a first reducer, a first gear, a second bracket, and a gear ring. The first bracket is fixedly installed on the side end of the column, the first motor is fixedly installed on the first bracket, the first reducer is fixedly installed on the top of the first motor, the first gear is rotatably installed on the top of the first reducer, and the first motor provides power to the first gear through the first reducer. The second bracket is rotatably installed on the top of the column, and the gear ring is fixedly installed on the bottom end of the second bracket, and the gear ring and the first gear mesh with each other. The first motor provides power, which is transmitted through the first reducer, the first gear, the second bracket, and the gear ring to drive the clamping device to rotate.

[0009] Preferably, the clamping device includes multiple cylinders and multiple clamping plates. The multiple cylinders are symmetrically mounted on the top of the support second relative to the axis of the support second, and the multiple clamping plates are respectively mounted on the multiple cylinders. The cylinders provide power to drive the clamping plates to move closer or further away from each other, and the clamping plates move closer to each other to clamp the relay.

[0010] Preferably, the heat sealing device includes a third bracket, a fourth bracket, a first hydraulic cylinder, multiple first smooth rods, a fifth bracket, a welding machine, and a heat sealing head. The third bracket is fixedly installed on the side end of the column, and the fourth bracket is fixedly installed on the top of the third bracket. The fourth bracket is provided with a first mounting hole and multiple first through holes. The first hydraulic cylinder is fixedly installed at the mounting hole, and the multiple first smooth rods are slidably installed in the multiple first through holes respectively. The fifth bracket is installed on the first hydraulic cylinder and the multiple first smooth rods. The welding machine is installed on the fifth bracket, and the heat sealing head is installed on the welding machine. The first hydraulic cylinder provides power to drive the heat sealing head to approach or move away from the relay. The welding machine provides power to the heat sealing head. The first hydraulic cylinder and the welding machine cooperate to drive the heat sealing head to heat seal the relay.

[0011] Preferably, the heat sealing device includes a bracket four, a hydraulic cylinder one, multiple smooth rods one, a bracket five, a hot welding machine, a heat sealing head, a bracket six, a hydraulic cylinder two, multiple smooth rods two, and a bracket seven. Bracket six is ​​fixedly installed on the side end of the column. The top of bracket six is ​​provided with a mounting hole two and multiple through holes two. Hydraulic cylinder two is fixedly installed at the bottom end of the mounting hole two. Multiple smooth rods two are slidably installed in the multiple through holes two. Bracket seven is installed on the top of hydraulic cylinder two and multiple smooth rods two. Bracket four is fixedly installed on the top of bracket seven. Bracket four is provided with a mounting hole one and multiple through holes one. Hydraulic cylinder one is fixedly installed at the mounting hole. Multiple smooth rods one are slidably installed in the multiple through holes one. Bracket five is installed on hydraulic cylinder one and multiple smooth rods one. The hot welding machine is installed on bracket five, and the heat sealing head is installed on the hot welding machine. Hydraulic cylinder two provides power to drive bracket four to move up and down. Hydraulic cylinder one provides power to drive the heat sealing head closer to or away from the relay. The hot welding machine provides power to the heat sealing head. Hydraulic cylinder two, hydraulic cylinder one, and the hot welding machine cooperate to drive the heat sealing head to heat seal the relay.

[0012] Preferably, the conveying device includes a support eight, a reel, a support nine, a support ten, a support eleven, a guide tube, four conveying wheels, four sprockets, two chains, two gears two, a reducer two, and a motor two. Supports eight, nine, and ten are all fixedly mounted on a welding machine. The reel is rotatably mounted on support eight, and welding wire is wound on the reel. Support eleven is fixedly mounted on supports nine and ten. The guide tube is fixedly mounted on support eleven, and both support eleven and the guide tube have the same through hole three that matches the size of the welding wire. The four conveying wheels are rotatably mounted on supports nine and ten, and the four sprockets are respectively fixed... Installed on the same side of four conveyor wheels, two chains are respectively installed on the four sprockets, and two gears are respectively fixedly installed on the same side of two sprockets, and these two sprockets are not installed on the same chain. The two gears mesh with each other. The reducer is fixedly installed on the side end of the bracket nine, and the bracket eight passes through the bracket nine and is rotatably connected to one of the conveyor wheels. The motor is fixedly installed on the side end of the reducer, and the motor provides power to one of the conveyor wheels connected to it through the reducer. The power provided by the motor is transmitted through the reducer, gears, chains and sprockets, driving the conveyor wheel to rotate. The rotation of the conveyor wheel drives the welding wire to move.

[0013] Compared with the prior art, the advantages of this utility model are: the relay can be fixed during heat sealing, and the heat sealing quality is better. Attached Figure Description

[0014] Figure 1 This is an isometric structural schematic diagram of Embodiment 1 of this utility model;

[0015] Figure 2 This is an isometric structural schematic diagram of Embodiment 2 of this utility model;

[0016] Figure 3 This is an isometric structural diagram of the fuselage;

[0017] Figure 4 This is an isometric structural diagram of the rotating device;

[0018] Figure 5 This is an isometric structural diagram of the clamping device;

[0019] Figure 6 This is an isometric structural diagram of bracket three, bracket four, and hydraulic cylinder one, etc.

[0020] Figure 7 This is an isometric structural diagram of bracket six, hydraulic cylinder two, and polished rod two, etc.

[0021] Figure 8 This is a schematic diagram of the isometric cross-sectional structure of the transport device.

[0022] The attached diagram is labeled as follows: 01, machine body; 11, base plate; 12, column; 02, rotating device; 21, bracket one; 22, motor one; 23, reducer one; 24, gear one; 25, bracket two; 26, gear ring; 03, clamping device; 31, cylinder; 32, clamping plate; 04, heat sealing device; 41, bracket three; 42, bracket four; 43, hydraulic cylinder one; 44, smooth rod one; 45, bracket five; 46, hot welding machine; 47, heat sealing head; 61, bracket six; 62, hydraulic cylinder two; 63, smooth rod two; 64, bracket seven; 05, conveying device; 51, bracket eight; 52, reel; 53, bracket nine; 54, bracket ten; 55, bracket eleven; 56, guide tube; 57, conveying wheel; 58, sprocket; 59, chain; 60, gear two; 71, reducer two; 72, motor two. Detailed Implementation

[0023] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example

[0024] like Figure 1 As shown, the device includes a body 01; it also includes a rotating device 02, a clamping device 03, a heat sealing device 04, and a conveying device 05. The rotating device 02 and the heat sealing device 04 are both mounted on the body 01, the clamping device 03 is mounted on the rotating device 02, and the conveying device 05 is mounted on the heat sealing device 04. The body 01 provides support, the rotating device 02 drives the clamping device 03 to rotate, the clamping device 03 clamps the relay, the heat sealing device 04 heat seals the relay, and the conveying device 05 conveys the welding wire.

[0025] like Figure 3 As shown, the fuselage 01 includes a base plate 11 and a column 12, with the column 12 fixedly installed on the top of the base plate 11;

[0026] like Figure 4 As shown, the rotating device 02 includes a bracket 21, a motor 22, a reducer 23, a gear 24, a second bracket 25, and a gear ring 26. The bracket 21 is fixedly installed on the side of the column 12, the motor 22 is fixedly installed on the bracket 21, the reducer 23 is fixedly installed on the top of the motor 22, the gear 24 is rotatably installed on the top of the reducer 23, and the motor 22 provides power to the gear 24 through the reducer 23. The second bracket 25 is rotatably installed on the top of the column 12, and the gear ring 26 is fixedly installed on the bottom of the second bracket 25, and the gear ring 26 and the gear 24 mesh with each other.

[0027] like Figure 5As shown, the clamping device 03 includes multiple cylinders 31 and multiple clamping plates 32. The multiple cylinders 31 are symmetrically mounted on the top of the support 25 with respect to the axis of the support 25, and the multiple clamping plates 32 are respectively mounted on the multiple cylinders 31.

[0028] like Figure 6 As shown, the heat sealing device 04 includes a support 3 41, a support 42, a hydraulic cylinder 1 43, multiple smooth rods 1 44, a support 5 45, a hot welding machine 46, and a heat sealing head 47. The support 3 41 is fixedly installed on the side of the column 12, and the support 42 is fixedly installed on the top of the support 3 41. The support 42 is provided with a mounting hole 1 and multiple through holes 1. The hydraulic cylinder 1 43 is fixedly installed at the mounting hole. The multiple smooth rods 1 44 are slidably installed in the multiple through holes respectively. The support 5 45 is installed on the hydraulic cylinder 1 43 and the multiple smooth rods 1 44. The hot welding machine 46 is installed on the support 5 45, and the heat sealing head 47 is installed on the hot welding machine 46.

[0029] like Figure 8 As shown, the conveying device 05 includes a support 8 51, a reel 52, a support 9 53, a support 10 54, a support 11 55, a guide tube 56, four conveying wheels 57, four sprockets 58, two chains 59, two gears 2 60, a reducer 2 71, and a motor 2 72. Supports 8 51, 9 53, and 10 54 are all fixedly mounted on the welding machine 46. The reel 52 is rotatably mounted on support 8 51, and welding wire is wound on the reel 52. Support 11 55 is fixedly mounted on support 9 53 and support 10 54. The guide tube 56 is fixedly mounted on support 11 55, and both support 11 55 and guide tube 56 have the same through hole 3 that matches the size of the welding wire. Four conveying wheels 57 are rotatably mounted on bracket nine 53 and bracket ten 54. Four sprockets 58 are fixedly mounted on the same side of the four conveying wheels 57. Two chains 59 are mounted on the four sprockets 58. Two gears 60 are fixedly mounted on the same side of the two sprockets 58. The two sprockets 58 are not mounted on the same chain 59. The two gears 60 mesh with each other. Reducer 71 is fixedly mounted on the side of bracket nine 53. Bracket eight 51 passes through bracket nine 53 and is rotatably connected to one of the conveying wheels 57. Motor 72 is fixedly mounted on the side of reducer 71. Motor 72 provides power to one of the conveying wheels 57 connected to it through reducer 71.

[0030] First, place the relay at the top of bracket 25. Then, open cylinder 31. Cylinder 31 provides power to drive clamping plates 32 to move closer or further apart. Clamping plates 32 move closer to each other to hold the relay. Then, open motor 22, hydraulic cylinder 43, and welding machine 46. Motor 22 provides power, which is transmitted through reducer 23, gear 24, bracket 25, and gear ring 26 to drive clamping device 03 to rotate. Hydraulic cylinder 43 provides power to drive heat sealing head 47 to move closer or further away from the relay. Welding machine 46 provides power to heat sealing head 47. Motor 22, hydraulic cylinder 43, and welding machine 46 work together to drive heat sealing head 47 to heat seal the relay. When welding of the metal casing is required, open motor 72. Motor 72 provides power, which is transmitted through reducer 71, gear 60, chain 59, and sprocket 58 to drive conveyor wheel 57 to rotate. The rotation of conveyor wheel 57 drives welding wire to move, automatically welding the relay. Example

[0031] like Figure 2 As shown, the device includes a body 01; it also includes a rotating device 02, a clamping device 03, a heat sealing device 04, and a conveying device 05. The rotating device 02 and the heat sealing device 04 are both mounted on the body 01, the clamping device 03 is mounted on the rotating device 02, and the conveying device 05 is mounted on the heat sealing device 04. The body 01 provides support, the rotating device 02 drives the clamping device 03 to rotate, the clamping device 03 clamps the relay, the heat sealing device 04 heat seals the relay, and the conveying device 05 conveys the welding wire.

[0032] like Figure 3 As shown, the fuselage 01 includes a base plate 11 and a column 12, with the column 12 fixedly installed on the top of the base plate 11;

[0033] like Figure 4 As shown, the rotating device 02 includes a bracket 21, a motor 22, a reducer 23, a gear 24, a second bracket 25, and a gear ring 26. The bracket 21 is fixedly installed on the side of the column 12, the motor 22 is fixedly installed on the bracket 21, the reducer 23 is fixedly installed on the top of the motor 22, the gear 24 is rotatably installed on the top of the reducer 23, and the motor 22 provides power to the gear 24 through the reducer 23. The second bracket 25 is rotatably installed on the top of the column 12, and the gear ring 26 is fixedly installed on the bottom of the second bracket 25, and the gear ring 26 and the gear 24 mesh with each other.

[0034] like Figure 5 As shown, the clamping device 03 includes multiple cylinders 31 and multiple clamping plates 32. The multiple cylinders 31 are symmetrically mounted on the top of the support 25 with respect to the axis of the support 25, and the multiple clamping plates 32 are respectively mounted on the multiple cylinders 31.

[0035] like Figure 7 As shown, the heat sealing device 04 includes a bracket 42, a hydraulic cylinder 43, multiple smooth rods 44, a bracket 45, a welding machine 46, a heat sealing head 47, a bracket 61, a hydraulic cylinder 62, multiple smooth rods 63, and a bracket 64. The bracket 61 is fixedly installed on the side of the column 12. The top of the bracket 61 is provided with a mounting hole 2 and multiple through holes 2. The hydraulic cylinder 62 is fixedly installed at the bottom of the mounting hole 2. The multiple smooth rods 63 are slidably installed in the multiple through holes 2 respectively. The bracket 7 64 is installed on the top of the hydraulic cylinder 62 and the multiple smooth rods 63. The bracket 42 is fixedly installed on the top of the bracket 7 64. The bracket 42 is provided with a mounting hole 1 and multiple through holes 1. The hydraulic cylinder 43 is fixedly installed at the mounting hole. The multiple smooth rods 44 are slidably installed in the multiple through holes respectively. The bracket 5 45 is installed on the hydraulic cylinder 43 and the multiple smooth rods 44. The welding machine 46 is installed on the bracket 5 45. The heat sealing head 47 is installed on the welding machine 46.

[0036] like Figure 8 As shown, the conveying device 05 includes a support 8 51, a reel 52, a support 9 53, a support 10 54, a support 11 55, a guide tube 56, four conveying wheels 57, four sprockets 58, two chains 59, two gears 2 60, a reducer 2 71, and a motor 2 72. Supports 8 51, 9 53, and 10 54 are all fixedly mounted on the welding machine 46. The reel 52 is rotatably mounted on support 8 51, and welding wire is wound on the reel 52. Support 11 55 is fixedly mounted on support 9 53 and support 10 54. The guide tube 56 is fixedly mounted on support 11 55, and both support 11 55 and guide tube 56 have the same through hole 3 that matches the size of the welding wire. Four conveying wheels 57 are rotatably mounted on bracket nine 53 and bracket ten 54. Four sprockets 58 are fixedly mounted on the same side of the four conveying wheels 57. Two chains 59 are mounted on the four sprockets 58. Two gears 60 are fixedly mounted on the same side of the two sprockets 58. The two sprockets 58 are not mounted on the same chain 59. The two gears 60 mesh with each other. Reducer 71 is fixedly mounted on the side of bracket nine 53. Bracket eight 51 passes through bracket nine 53 and is rotatably connected to one of the conveying wheels 57. Motor 72 is fixedly mounted on the side of reducer 71. Motor 72 provides power to one of the conveying wheels 57 connected to it through reducer 71.

[0037] First, place the relay at the top of bracket 25. Then, open cylinder 31. Cylinder 31 provides power, driving clamping plates 32 to move closer or further apart. Clamping plates 32 move closer together to hold the relay. Then, open motor 22, hydraulic cylinder 43, hot welder 46, and hydraulic cylinder 62. Motor 22 provides power, which is transmitted through reducer 23, gear 24, bracket 25, and gear ring 26, driving clamping device 03 to rotate. Hydraulic cylinder 62 provides power, driving bracket 42 to move up and down. Hydraulic cylinder 43... Power is provided to drive the heat sealing head 47 to move closer to or away from the relay. The hot welding machine 46 provides power to the heat sealing head 47. The motor 22, hydraulic cylinder 62, hydraulic cylinder 43 and the hot welding machine 46 work together to drive the heat sealing head 47 to heat seal the relay. When it is necessary to weld the metal shell, the motor 72 is turned on. The motor 72 provides power. The power is transmitted through the reducer 71, gear 60, chain 59 and sprocket 58 to drive the conveyor wheel 57 to rotate. The rotation of the conveyor wheel 57 drives the welding wire to move and automatically weld the relay.

[0038] like Figures 1 to 8 As shown, this utility model discloses a relay heat-sealing device. During operation, the relay is first placed on the top of the support 25. Then, cylinder 31 is activated, providing power to drive clamping plates 32 to move closer or further apart. The clamping plates 32 clamp the relay. Next, motor 22, hydraulic cylinder 43, heat welder 46, and hydraulic cylinder 62 are activated. Motor 22 provides power, which is transmitted through reducer 23, gear 24, support 25, and gear ring 26, driving the clamping device 03 to rotate. Hydraulic cylinder 62 provides power to drive the support 45... 42 moves up and down, hydraulic cylinder 43 provides power to drive the heat sealing head 47 to move closer to or away from the relay, and the hot welding machine 46 provides power to the heat sealing head 47. Motor 22, hydraulic cylinder 62, hydraulic cylinder 43 and hot welding machine 46 work together to drive the heat sealing head 47 to heat seal the relay. When it is necessary to weld the metal shell, motor 72 is turned on and provides power. The power is transmitted through reducer 71, gear 60, chain 59 and sprocket 58 to drive the conveyor wheel 57 to rotate. The rotation of the conveyor wheel 57 drives the welding wire to move and automatically weld the relay.

[0039] The motor 22, gear 24, gear ring 26, multiple cylinders 31, hydraulic cylinder 43, hot welding machine 46, heat sealing head 47, hydraulic cylinder 62, four sprockets 58, two chains 59, two gears 60, and motor 72 of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0040] The main function achieved by this utility model is to improve the heat sealing quality by fixing the relay during heat sealing by setting the clamping device 03; and to solve the existing technical problem that the existing machine lacks the fixing of the relay during heat sealing, which makes the relay easy to bend during heat sealing and results in poor heat sealing quality.

[0041] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A relay heat sealing device, comprising a body (01); characterized in that, It also includes a rotating device (02), a clamping device (03), a heat sealing device (04), and a conveying device (05). The rotating device (02) and the heat sealing device (04) are both mounted on the machine body (01), the clamping device (03) is mounted on the rotating device (02), and the conveying device (05) is mounted on the heat sealing device (04). The machine body (01) provides support, the rotating device (02) drives the clamping device (03) to rotate, the clamping device (03) clamps the relay, the heat sealing device (04) heat seals the relay, and the conveying device (05) conveys the welding wire.

2. The relay heat sealing device as described in claim 1, characterized in that, The fuselage (01) includes a base plate (11) and a column (12), with the column (12) fixedly installed on the top of the base plate (11).

3. The relay heat sealing device as described in claim 2, characterized in that, The rotating device (02) includes a bracket (21), a motor (22), a reducer (23), a gear (24), a bracket (25), and a gear ring (26). The bracket (21) is fixedly installed on the side of the column (12), the motor (22) is fixedly installed on the bracket (21), the reducer (23) is fixedly installed on the top of the motor (22), the gear (24) is rotatably installed on the top of the reducer (23), and the motor (22) provides power to the gear (24) through the reducer (23). The bracket (25) is rotatably installed on the top of the column (12), and the gear ring (26) is fixedly installed on the bottom of the bracket (25). The gear ring (26) and the gear (24) mesh with each other.

4. A relay heat-sealing device as described in claim 3, characterized in that, The clamping device (03) includes multiple cylinders (31) and multiple clamping plates (32). The multiple cylinders (31) are symmetrically mounted on the top of the second bracket (25) relative to the axis of the second bracket (25), and the multiple clamping plates (32) are respectively mounted on the multiple cylinders (31).

5. A relay heat-sealing device as described in claim 2, characterized in that, The heat sealing device (04) includes a support three (41), a support four (42), a hydraulic cylinder one (43), multiple smooth rods one (44), a support five (45), a heat welding machine (46), and a heat sealing head (47). The support three (41) is fixedly installed on the side of the column (12), and the support four (42) is fixedly installed on the top of the support three (41). The support four (42) is provided with a mounting hole one and multiple through holes one. The hydraulic cylinder one (43) is fixedly installed at the mounting hole. The multiple smooth rods one (44) are slidably installed in the multiple through holes respectively. The support five (45) is installed on the hydraulic cylinder one (43) and the multiple smooth rods one (44). The heat welding machine (46) is installed on the support five (45), and the heat sealing head (47) is installed on the heat welding machine (46).

6. A relay heat-sealing device as described in claim 2, characterized in that, The heat sealing device (04) includes a bracket four (42), a hydraulic cylinder one (43), multiple smooth rods one (44), a bracket five (45), a hot welding machine (46), a heat sealing head (47), a bracket six (61), a hydraulic cylinder two (62), multiple smooth rods two (63), and a bracket seven (64). The bracket six (61) is fixedly installed on the side of the column (12). The top of the bracket six (61) is provided with a mounting hole two and multiple through holes two. The hydraulic cylinder two (62) is fixedly installed at the bottom of the mounting hole two. The multiple smooth rods two (63) are slidably installed in the multiple through holes two respectively. The bracket seven (64) is installed on the top of the hydraulic cylinder two (62) and multiple light rods two (63). The bracket four (42) is fixedly installed on the top of the bracket seven (64). The bracket four (42) is provided with a mounting hole one and multiple through holes one. The hydraulic cylinder one (43) is fixedly installed at the mounting hole. Multiple light rods one (44) are slidably installed in multiple through holes respectively. The bracket five (45) is installed on the hydraulic cylinder one (43) and multiple light rods one (44). The hot welding machine (46) is installed on the bracket five (45). The hot sealing head (47) is installed on the hot welding machine (46).

7. A relay heat-sealing device as described in claim 6, characterized in that, The conveying device (05) includes a support eight (51), a reel (52), a support nine (53), a support ten (54), a support eleven (55), a guide tube (56), four conveying wheels (57), four sprockets (58), two chains (59), two gears two (60), a reducer two (71), and a motor two (72). The support eight (51), support nine (53), and support ten (54) are all fixedly mounted on the hot welding machine (46). The reel (52) is rotatably mounted on the support eight (51), and welding wire is wound on the reel (52). The support eleven (55) is fixedly mounted on the support nine (53) and support ten (54). The guide tube (56) is fixedly mounted on the support eleven (55), and the support eleven (55) and the guide tube (56) are provided with the same size of welding wire. The through hole three, four conveying wheels (57) are rotatably mounted on bracket nine (53) and bracket ten (54), four sprockets (58) are fixedly mounted on the same side of the four conveying wheels (57), two chains (59) are mounted on the four sprockets (58), two gears (60) are fixedly mounted on the same side of the two sprockets (58), and the two sprockets (58) are not mounted on the same chain (59), the two gears (60) mesh with each other, the reducer (71) is fixedly mounted on the side end of bracket nine (53), and bracket eight (51) is rotatably connected between bracket nine (53) and one conveying wheel (57), motor two (72) is fixedly mounted on the side end of reducer two (71), and motor two (72) provides power to one conveying wheel (57) connected to it through reducer two (71).

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