Automobile wire harness connecting, wrapping and welding device

Abstract

The invention provides an automobile wire harness connection package welding device, and relates to the technical field of welding devices.The automobile wire harness connection package welding device comprises a shell, a storage groove is formed in the shell, first sliding rails are arranged on the two sides of the inner wall of the storage groove, and a first sealing rod is arranged in an expansion hole in a sealed mode; before rotation, an electromagnetic valve is started to enable scaling powder in a storage tank to fall to a rod body of a wire pressing rod, the wire pressing rod smears the scaling powder on the surface of a wire harness while winding is conducted, then an extending base rotates, the wire pressing rod can continuously push the wire harness at the current position, and in the process, due to the fact that one side of the wire harness is connected to the upper portion, the wire harness is not prone to falling off. The length of the wire pressing rod can be reduced through the buffer spring, the wire pressing rod is prevented from being clamped in the rotating process, rapid wire winding and soldering flux adding of the wire harnesses are achieved, the processing flow is reduced, and the welding efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of welding devices, and in particular to an automobile wiring harness connection and wrapping welding device. Background Art

[0002] When processing and repairing automobile wiring harnesses, the wiring harnesses need to be connected. Generally, a welding device is used to connect the wiring harnesses together. For example, the patent announcement number is CN216598349U, which is a welding device for automobile wiring harness production, including a welding device body, a concave wheel is fixedly installed on the welding device body, and an assembly block is fixedly installed on the welding device body, and a waist-shaped hole is opened on the assembly block. A heater is fixedly installed on the welding device body, and a heating head is installed on the heater. The utility model is provided with a fixing mechanism, and the clamping block clamps and fixes the wiring harness by rotating the second threaded rod on the fixing mechanism. A foam block is provided on the clamping block, and when the clamping block is clamped, damage to the wiring harness can be reduced. The controller is used to operate the servo motor inside the welding device body to move the fixing mechanism to move the wiring harness to the heating head, so that the welding preparation between the wiring harness and the equipment is done in advance.

[0003] Before welding, the existing welding device needs to manually wind the required connecting wire harnesses together, then add flux to the welding point to ensure the welding effect, and finally perform welding processing. However, the above process requires frequent manual operations during continuous welding, which makes the overall process time-consuming and labor-intensive. For this reason, the present application designs an automotive wire harness connection wrapping welding device to realize the rapid processing of wire winding and flux adding processes before welding. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides an automobile wiring harness connection wrapping welding device, which solves the problem of limited welding efficiency caused by the need for manual wire winding during the welding process.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] A car wire harness connection, wrapping and welding device comprises a shell, a storage slot is provided inside the shell, first slide rails are provided on both sides of the inner wall of the storage slot, a winding assembly for winding the wire harness together is movably provided inside the first slide rail, a vertical slot is provided in the middle of the storage slot, a welding assembly for welding the wire harness is provided inside the vertical slot, an expansion hole is provided in the middle of the shell, and a first sealing rod is provided inside the expansion hole for sealing.

[0007] Preferably, the winding assembly includes a side plate, movable seats are arranged on both sides of the side plate, the movable seats are slidably connected with the first slide rail, a rotating groove is opened inside the side plate, a rotating ring is rotatably installed inside the rotating groove, an extension seat is arranged outside the rotating ring, and a wire pressing rod for pressing and holding the wire harness is arranged outside the extension seat;

[0008] Bosses are arranged on both sides of the shell, and a return spring is arranged between the bosses and the side plates.

[0009] Preferably, an expansion groove is provided on one side of the rotation groove, a transmission gear is rotatably installed inside the expansion groove, and a tooth groove is provided on the outer surface of the rotation ring, and the tooth groove is meshed with the transmission gear.

[0010] Preferably, rotating seats are fixedly installed on both sides of the shell, a rotating sleeve rod is rotatably installed inside the rotating seat, a movable plug rod is movably installed on the rotating sleeve rod, the movable plug rod is fixedly connected to the transmission gear, and the movable plug rod body is provided with a matching gear column.

[0011] Preferably, a connecting frame is movably installed inside the extension seat through a screw rod, a storage tank for storing solder flux is fixedly installed on the upper side of the connecting frame, a solenoid valve is installed at the discharge port of the storage tank, and a wire pressing rod is movably installed on the lower side of the connecting frame;

[0012] An extension frame is fixedly installed on one side of the connecting frame, a buffer spring is fixedly installed inside the extension frame, and the buffer spring is connected to one end of the wire pressing rod.

[0013] Preferably, a plurality of extension columns are fixedly mounted on the outer side of the rotating groove, and a pulley block for stabilizing the wiring harness is movably mounted inside each of the extension columns via a supporting spring.

[0014] Preferably, the welding assembly includes two upper and lower mold seats, each of which is provided with slide grooves on both sides, the slide grooves are slidably connected with the vertical grooves, each mold seat surface is provided with a main molding groove, each mold seat middle part is provided with a secondary molding groove, an injection hole for injecting solder material is opened in the middle of the upper mold seat, and a second sealing rod is provided inside the injection hole for sealing.

[0015] Preferably, extension plates are provided on both sides of the upper mold base, racks are fixedly mounted on both sides of the extension plates, and through holes are provided on the upper surface of the shell, through which the racks pass to mesh with mating tooth columns.

[0016] Preferably, bearing seats are fixedly installed on the upper and lower sides of the middle part of the shell, and forward and reverse screw rods are rotatably installed inside the bearing seats. A threaded hole is opened inside each mold seat, and the upper and lower threaded holes are threadedly matched with the forward and reverse screw rod body, and a knob is provided on the upper end of the forward and reverse screw rod.

[0017] Preferably, a heat exchange groove is provided inside each of the mold seats, and connecting channels for connecting pipelines are provided on both sides of each of the heat exchange grooves.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. When the upper mold seat moves downward, the rack moves downward through the perforation. During the movement of the rack, it will mesh with the matching tooth column to rotate the movable rod and drive the rotating sleeve to drive the winding; the movable rod can drive the transmission gear to rotate by rotating the rotating sleeve. During the rotation of the transmission gear, the extended rotating groove is communicated with the rotating groove, and the tooth groove is meshed with the transmission gear, so that the rotating sleeve rotates inside the rotating groove to provide power for subsequent winding.

[0020] 2. When the wire harness is stored in the storage slot, the extension seat is driven to rotate around the wire harness by rotating the ring. The connecting frame can be limited according to the width of the wire harness through the screw adjustment, so that the wire pressing distance of the wire pressing rod is guaranteed. Then, before rotation, the flux inside the storage tank is dropped to the rod body of the wire pressing rod by starting the solenoid valve, so that the wire pressing rod can apply flux to the surface of the wire harness while winding the wire. After that, the extension seat rotates, and the wire pressing rod will continue to push the wire harness at the current position. In this process, because the wire harness is connected to one side and rests on top, the wire pressing rod will push the upper wire harness to rotate around the other side of the wire harness or the connection terminal. The buffer spring can shrink the length of the wire pressing rod to prevent the wire pressing rod from being stuck during rotation, thereby realizing rapid winding and adding flux to the wire harness, reducing the processing flow and improving welding efficiency.

[0021] 3. After the winding is completed, the upper and lower mold seats will be merged. After the merger, the main molding groove and the secondary molding groove will cooperate with the wire harness to seal the inside of the mold seat, and then the second sealing rod will be opened, and the welding material will be poured into the main molding groove and the secondary molding groove, so that the welding material will completely wrap the current wire harness, thereby realizing fast welding operation. Compared with spot welding with a hand-held welding gun, this application not only reduces the welding difficulty by wrapping the wire harness, but also improves the protection performance after welding, thereby greatly increasing the service life of the wire harness.

[0022] 4. By rotating the knob or connecting the motor for driving, the positive and negative screws rotate inside the bearing seat. During the rotation of the positive and negative screws, the mold seat is limited by sliding the slide groove and the vertical groove. Then the positive and negative screws are used to cooperate with the upper and lower threaded holes to achieve the mutual fit of the upper and lower mold seats and realize the merging of the molds. During the merging process, the side plates on both sides are moved away from each other by the inclined cooperation between the mold seat and the side plates, and the upper and lower mold seats can be stably fitted to ensure the subsequent molding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0024] Figure 2 It is a front view structural schematic diagram of the present invention;

[0025] Figure 3 yes Figure 2 Schematic diagram of the cross-section structure at AA in the middle;

[0026] Figure 4 yes Figure 2 Schematic diagram of the cross-section structure at BB in the middle;

[0027] Figure 5 It is a schematic diagram of the top view of the structure of the present invention;

[0028] Figure 6 yes Figure 5 Schematic diagram of the cross-section structure at CC;

[0029] Figure 7 yes Figure 5 Schematic diagram of the cross-section structure at DD in the middle;

[0030] Figure 8 yes Figure 6 The enlarged structural diagram at a in the middle;

[0031] Fig. 9 It is a schematic diagram of the three-dimensional structure of the mold base;

[0032] Fig.10 It is a schematic diagram of the three-dimensional structure of the side plate.

[0033] In the figure: 1, housing; 2, storage slot; 3, winding assembly; 301, side plate; 3011, moving seat; 3012, extended rotating slot; 3013, rotating slot; 302, rotating collar; 3021, tooth groove; 3022, extension seat; 3023, connecting frame; 3024, extension frame; 3025, wire pressing rod; 3026, buffer spring; 3027, storage tank; 3028, solenoid valve; 303, extension column; 3031, support spring; 3032, pulley block; 304, rotating seat; 3041, rotating sleeve rod; 3042, movable plug rod; 304 3. Matching gear column; 3044. Transmission gear; 305. Boss; 306. Return spring; 4. Welding assembly; 401. Mold seat; 4011. Heat exchange groove; 4012. Injection hole; 4013. Second sealing rod; 4014. Connecting channel; 4015. Slide groove; 4016. Threaded hole; 402. Bearing seat; 4021. Positive and negative screw rods; 4022. Knob; 403. Main molding groove; 404. Second molding groove; 405. Extension plate; 406. Rack; 407. Perforation; 5. Vertical groove; 6. First slide rail; 7. Expansion hole; 8. First sealing rod. DETAILED DESCRIPTION

[0034] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0035] like Figures 1 to 10 As shown, a car wire harness connection, wrapping and welding device comprises a shell 1, a storage slot 2 is provided inside the shell 1, first slide rails 6 are provided on both sides of the inner wall of the storage slot 2, a winding assembly 3 for winding the wire harness together is movably provided inside the first slide rail 6, a vertical slot 5 is provided in the middle of the storage slot 2, a welding assembly 4 for welding the wire harness is provided inside the vertical slot 5, an expansion hole 7 is provided in the middle of the shell 1, and a first sealing rod 8 is provided inside the expansion hole 7 for sealing.

[0036] Before welding, if it is necessary to place the wiring harness on another wiring harness according to welding requirements, the first sealing rod 8 can be opened and the wiring harness can be inserted into the expansion hole 7 and the storage slot 2 respectively to meet different welding needs. By installing the first sealing rod 8, the expansion hole 7 and the secondary molding slot 404 can be blocked, thereby not affecting the normal welding operation.

[0037] In this embodiment, the winding assembly 3 includes a side plate 301, and a movable seat 3011 is arranged on both sides of the side plate 301. The movable seat 3011 is slidably connected to the first slide rail 6. A rotating groove 3013 is opened inside the side plate 301, and a rotating ring 302 is rotatably installed inside the rotating groove 3013. An extension seat 3022 is arranged outside the rotating ring 302, and a wire pressing rod 3025 for pressing and holding the wire harness is arranged outside the extension seat 3022;

[0038] Bosses 305 are provided on both sides of the housing 1 , and a return spring 306 is provided between the bosses 305 and the side plates 301 .

[0039] An expansion groove 3012 is provided on one side of the rotation groove 3013, a transmission gear 3044 is rotatably installed inside the expansion groove 3012, and a tooth groove 3021 is provided on the outer surface of the rotation ring 302, and the tooth groove 3021 meshes with the transmission gear 3044;

[0040] Rotating seats 304 are fixedly installed on both sides of the shell 1, and a rotating sleeve rod 3041 is rotatably installed inside the rotating seat 304. The rotating sleeve rod 3041 is movably installed with a movable plug rod 3042, which is fixedly connected to the transmission gear 3044, and the movable plug rod 3042 is provided with a matching tooth column 3043.

[0041] By rotating the rotating sleeve rod 3041, the movable insertion rod 3042 can drive the transmission gear 3044 to rotate. During the rotation of the transmission gear 3044, the extended rotation groove 3012 is communicated with the rotation groove 3013, and the tooth groove 3021 is engaged with the transmission gear 3044, so that the rotating ring 302 rotates inside the rotation groove 3013 to provide power for subsequent winding.

[0042] In this embodiment, a connecting frame 3023 is movably installed inside the extension seat 3022 through a screw rod, a storage tank 3027 for storing flux is fixedly installed on the upper side of the connecting frame 3023, a solenoid valve 3028 is installed at the outlet of the storage tank 3027, and a wire pressing rod 3025 is movably installed on the lower side of the connecting frame 3023;

[0043] An extension frame 3024 is fixedly installed on one side of the connecting frame 3023 , a buffer spring 3026 is fixedly installed inside the extension frame 3024 , and the buffer spring 3026 is connected to one end of the wire pressing rod 3025 .

[0044] In order to achieve fast winding operation, when the wire harness is stored in the storage slot 2, the extension seat 3022 is driven to rotate around the wire harness by rotating the ring 302, wherein the connecting frame 3023 can be limited according to the width of the wire harness through the screw adjustment, so that the wire pressing distance of the wire pressing rod 3025 is guaranteed, and then before the rotation, the flux inside the storage tank 3027 is dropped to the rod body of the wire pressing rod 3025 by starting the solenoid valve 3028, so that the wire pressing rod 3025 can apply flux to the surface of the wire harness while winding. The extension seat 3022 then rotates, and the wire pressing rod 3025 will continue to push the wire harness at the current position. During this process, the wire harness is connected to one side and is placed on top, so that the wire pressing rod 3025 will push the wire harness on the top to rotate around the other side of the wire harness or the connecting terminal, wherein the buffer spring 3026 can shrink the length of the wire pressing rod 3025 to prevent the wire pressing rod 3025 from being stuck during rotation, thereby achieving rapid winding of the wire harness and adding flux, reducing the processing flow and improving welding efficiency.

[0045] It should be noted that a plurality of extension columns 303 are fixedly installed outside the rotating groove 3013 , and a pulley block 3032 for stabilizing the wire harness is movably installed inside each extension column 303 via a supporting spring 3031 .

[0046] In order to prevent the wire harness from moving during the winding process, the support spring 3031 is used to press the pulley block 3032 so that several pulley blocks 3032 can simultaneously fix the wire harness in the current rotating groove 3013, and the pulley block 3032 can prevent wear on the surface of the wire harness.

[0047] In the present application, the welding assembly 4 includes two upper and lower mold seats 401, each mold seat 401 is provided with a slide groove 4015 on both sides, the slide groove 4015 is slidably connected with the vertical groove 5, each mold seat 401 surface is provided with a main molding groove 403, each mold seat 401 is provided with a secondary molding groove 404 in the middle, and an injection hole 4012 for injecting solder material is opened in the middle of the upper mold seat 401, and a second sealing rod 4013 is provided inside the injection hole 4012 for sealing;

[0048] After the winding is completed, the upper and lower mold seats 401 will be merged. After the merger, the main molding groove 403 and the secondary molding groove 404 will cooperate with the wire harness to seal the inside of the mold seat 401, and then the second sealing rod 4013 is opened, and the welding material is poured into the main molding groove 403 and the secondary molding groove 404, so that the welding material will completely wrap the current wire harness, thereby realizing fast welding operation. Compared with spot welding by holding a welding gun, the present application not only reduces the welding difficulty by wrapping the wire harness, but also improves the protection performance after welding, thereby greatly increasing the service life of the wire harness.

[0049] Extension plates 405 are provided on both sides of the upper mold base 401 , and racks 406 are fixedly installed on both sides of the extension plates 405 . A through hole 407 is opened on the upper surface of the shell 1 , and the rack 406 passes through the through hole 407 and meshes with the matching tooth column 3043 .

[0050] When the upper mold base 401 moves downward, the rack 406 moves downward through the through hole 407. During the movement of the rack 406, it will engage with the matching gear column 3043 to rotate the movable plug rod 3042 and drive the rotating ring 302 to perform winding drive.

[0051] In the specific setting, bearing seats 402 are fixedly installed on the upper and lower sides of the middle part of the shell 1, and forward and reverse screw rods 4021 are rotatably installed inside the bearing seats 402. A threaded hole 4016 is opened through the inside of each mold seat 401, and the upper and lower threaded holes 4016 are threadedly matched with the rod body of the forward and reverse screw rods 4021, and a knob 4022 is set at the upper end of the forward and reverse screw rods 4021.

[0052] By rotating the knob 4022 or connecting the motor for driving, the forward and reverse screw rods 4021 are rotated inside the bearing seat 402. During the rotation of the forward and reverse screw rods 4021, the mold seat 401 is limited by the sliding connection between the slide groove 4015 and the vertical groove 5. Then, the forward and reverse screw rods 4021 are threadedly matched with the upper and lower threaded holes 4016, so that the mold seats 401 on the upper and lower sides are fitted together to achieve the merging of the molds. During the merging process, the side plates 301 on both sides are moved away from the outside by the inclined cooperation between the mold seat 401 and the side plates 301, and the mold seats 401 on the upper and lower sides can be stably fitted to ensure the subsequent molding effect.

[0053] It should be noted that a heat exchange groove 4011 is provided inside each mold base 401 , and connecting channels 4014 for connecting pipelines are provided on both sides inside each heat exchange groove 4011 .

[0054] During the welding process, the coolant is connected to the welding material by a pipe through the connecting channel 4014, so that the coolant can quickly cool down the current welding material to improve the welding efficiency and avoid the problem of personnel being unable to remove the material in time due to excessive temperature after welding.

[0055] The working principle of this automotive wiring harness connection wrapping welding device:

[0056] When in use, firstly insert the wire harnesses to be welded into the storage slots 2 on both sides respectively, and then press the pulley blocks 3032 through the support springs 3031, so that several pulley blocks 3032 simultaneously fix the wire harnesses in the current rotating slot 3013;

[0057] After completion, the knob 4022 is rotated or a motor is connected to drive the forward and reverse screw rods 4021 to rotate inside the bearing seat 402. During the rotation of the forward and reverse screw rods 4021, the mold seat 401 is limited by the sliding connection between the slide groove 4015 and the vertical groove 5. Then, the forward and reverse screw rods 4021 are threadedly matched with the upper and lower threaded holes 4016, so that the mold seats 401 on the upper and lower sides are fitted to each other.

[0058] During the bonding process, when the upper mold base 401 moves downward, the rack 406 moves downward through the through hole 407. During the movement of the rack 406, it will mesh with the matching tooth column 3043 to make the movable plug rod 3042 rotate, and the transmission gear 3044 drives the rotating ring 302 to drive the winding;

[0059] The extension seat 3022 is driven to rotate around the wire harness by rotating the collar 302, wherein the connecting frame 3023 can be limited according to the width of the wire harness by adjusting the screw rod, so that the wire pressing distance of the wire pressing rod 3025 is guaranteed, and then before the rotation, the flux inside the storage tank 3027 is dropped to the rod body of the wire pressing rod 3025 by starting the solenoid valve 3028, so that the wire pressing rod 3025 applies the flux to the surface of the wire harness while winding the wire, and then the extension seat 3022 rotates, and the wire pressing rod 3025 will continue to push the wire harness at the current position, so as to realize the fast winding operation;

[0060] After the mold base 401 is merged, the primary molding groove 403 and the secondary molding groove 404 will seal the inside of the mold base 401 with the wiring harness, and then the second sealing rod 4013 is opened, and the welding material is poured into the primary molding groove 403 and the secondary molding groove 404, so that the welding material will completely wrap the current wiring harness for wrapping welding.

[0061] Finally, the forward and reverse screw rods 4021 are rotated in the reverse direction to open the mold seat 401 to realize the reset operation, and the operator only needs to take out the wire harness.

[0062] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the protection scope of the present invention.

Claims

1. An automobile wiring harness connection wrapping welding device, comprising a housing (1), characterized in that: The shell (1) has a storage slot (2) formed inside, first slide rails (6) are provided on both sides of the inner wall of the storage slot (2), a winding assembly (3) for winding the wire harness together is movably provided inside the first slide rail (6), a vertical slot (5) is formed in the middle of the storage slot (2), a welding assembly (4) for welding the wire harness together is provided inside the vertical slot (5), an expansion hole (7) is formed in the middle of the shell (1), and a first sealing rod (8) is provided inside the expansion hole (7) to seal the inside.

2. The automotive wiring harness connection wrapping welding device according to claim 1, characterized in that: The winding assembly (3) comprises a side plate (301), movable seats (3011) are arranged on both sides of the side plate (301), the movable seats (3011) are slidably connected to the first slide rail (6), a rotating groove (3013) is provided inside the side plate (301), a rotating ring (302) is rotatably installed inside the rotating groove (3013), an extension seat (3022) is arranged outside the rotating ring (302), and a wire pressing rod (3025) for pressing and holding the wire harness is arranged outside the extension seat (3022); Bosses (305) are provided on both sides of the housing (1), and a return spring (306) is provided between the bosses (305) and the side plates (301).

3. The automotive wiring harness connection wrapping welding device according to claim 2, characterized in that: An expansion groove (3012) is provided on one side of the rotation groove (3013), a transmission gear (3044) is rotatably mounted inside the expansion groove (3012), a tooth groove (3021) is provided on the outer surface of the rotation ring (302), and the tooth groove (3021) is meshed with the transmission gear (3044).

4. The automobile wiring harness connection wrapping welding device according to claim 3 is characterized in that: A rotating seat (304) is fixedly mounted on both sides of the housing (1), a rotating sleeve rod (3041) is rotatably mounted inside the rotating seat (304), a movable plug rod (3042) is movably mounted on the rotating sleeve rod (3041), the movable plug rod (3042) is fixedly connected to a transmission gear (3044), and a matching tooth column (3043) is provided on the rod body of the movable plug rod (3042).

5. The automobile wiring harness connection wrapping welding device according to claim 2, characterized in that: A connecting frame (3023) is movably mounted inside the extension seat (3022) via a screw rod, a storage tank (3027) for storing soldering flux is fixedly mounted on the upper side of the connecting frame (3023), a solenoid valve (3028) is mounted at the discharge port of the storage tank (3027), and a wire pressing rod (3025) is movably mounted on the lower side of the connecting frame (3023); An extension frame (3024) is fixedly installed on one side of the connecting frame (3023), a buffer spring (3026) is fixedly installed inside the extension frame (3024), and the buffer spring (3026) is connected to one end of the wire pressing rod (3025).

6. The automobile wiring harness connection wrapping welding device according to claim 2, characterized in that: A plurality of extension columns (303) are fixedly mounted on the outside of the rotating groove (3013), and a pulley block (3032) for stabilizing the wiring harness is movably mounted inside each of the extension columns (303) via a supporting spring (3031).

7. The automobile wiring harness connection wrapping welding device according to claim 4, characterized in that: The welding assembly (4) comprises two upper and lower mold seats (401), each of which is provided with slide grooves (4015) on both sides, and the slide grooves (4015) are slidably connected to the vertical grooves (5), each of which is provided with a main molding groove (403) on the surface of the mold seat (401), and a secondary molding groove (404) is provided in the middle of each of which, and an injection hole (4012) for injecting solder material is provided in the middle of the upper mold seat (401), and a second sealing rod (4013) is provided inside the injection hole (4012) for sealing.

8. The automobile wiring harness connection wrapping welding device according to claim 7, characterized in that: Extension plates (405) are arranged on both sides of the upper mold base (401), and racks (406) are fixedly installed on both sides of the extension plates (405). A through hole (407) is opened on the upper surface of the shell (1), and the rack (406) passes through the through hole (407) and meshes with the matching tooth column (3043).

9. The automobile wiring harness connection wrapping welding device according to claim 7, characterized in that: The housing (1) is fixedly provided with bearing seats (402) on both upper and lower sides of the middle part, respectively; a forward and reverse screw rod (4021) is rotatably provided inside the bearing seat (402); a threaded hole (4016) is provided through the inside of each mold seat (401); the upper and lower threaded holes (4016) are threadedly matched with the rod body of the forward and reverse screw rod (4021); and a knob (4022) is provided at the upper end of the forward and reverse screw rod (4021).

10. The automobile wiring harness connection wrapping welding device according to claim 7, characterized in that: A heat exchange groove (4011) is provided inside each of the mold bases (401), and connecting channels (4014) for connecting pipelines are provided on both sides of the inside of each of the heat exchange grooves (4011).

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