Rapid butt joint device for automobile wire harnesses

Abstract

The utility model relates to an automobile wire harness quick butt joint device applied to the field of wire harness processing equipment, which comprises an equipment base, a first equipment bin and a second equipment bin are symmetrically and fixedly connected to the front side and the rear side of the upper end of the equipment base, and a self-propelled ultrasonic welding head is arranged at one end, close to a transparent outer cover, of the first equipment bin. And a welding back block is arranged at the end, close to the first equipment bin, of the second equipment bin, and the welding back block and the self-propelled ultrasonic welding head are matched with each other. In the rapid butt-joint device for the automobile wire harness, the butt-joint arc-shaped wire limiting blocks on the two sides of the equipment base can be used for carrying out preliminary butt-joint fixing on the wire harness; and two inclined face abutting plates, controlled by centering springs, in the butt-joint arc-shaped wire limiting blocks are used for keeping the circle center positions of the wire harnesses with the different diameters in a precise butt-joint mode, at the moment, telescopic push rods outside the butt-joint arc-shaped wire limiting blocks are pushed inwards so that the two butt-joint arc-shaped wire limiting blocks can be stably close to each other, and precise butt-joint welding operation can be achieved.

Description

Technical Field

[0001] This utility model relates to a quick-connection device for automotive wiring harnesses, and more particularly to a quick-connection device for automotive wiring harnesses applied in the field of wiring harness processing equipment. Background Technology

[0002] Ultrasonic welding equipment used in automotive wiring harness processing converts electrical energy into high-frequency mechanical vibration energy through a transducer. When the welding head contacts the wiring harness to be welded, the vibration energy is transmitted to the metal surface of the harness, generating localized high temperature and high pressure within a very short time. Under this high temperature and high pressure, the molecules on the surface of the metal wiring harness diffuse and fuse together, thereby achieving a strong welded connection.

[0003] Chinese patent CN216598771U discloses an electrical wire harness butt welding device, including: an operating plate, an anti-slip pad, a wire harness clamp, a connector, a sliding plate, and a slider; the operating plate is rectangular. This utility model improves an electrical wire harness butt welding device, which has the advantages of convenient wire harness fixing, increased compression and friction, lateral sliding capability, and positioning welding capability, thereby effectively solving the problems and shortcomings of existing devices.

[0004] In manual operation of ultrasonic welding equipment for automotive wiring harnesses, insufficient docking precision and slow operation may prevent the metal surfaces in the welding area from fully contacting and fusing, resulting in reduced strength at the wiring harness joint. This can lead to loosening, breakage, and other problems during use, affecting the reliability of the automotive electrical system. Utility Model Content

[0005] The technical problem this invention aims to solve is that, in the manual operation of ultrasonic welding equipment for automotive wiring harnesses, insufficient welding precision and slow operation may lead to incomplete contact and fusion of the metal surfaces in the welding area, resulting in reduced strength at the wiring harness joint. This may cause loosening or breakage during use, affecting the reliability of the automotive electrical system.

[0006] To address the aforementioned issues, this utility model provides a rapid docking device for automotive wiring harnesses, comprising a base, with a first equipment compartment and a second equipment compartment symmetrically fixedly connected to the front and rear sides of the upper end of the base. A self-propelled ultrasonic welding head is located at the end of the first equipment compartment near the transparent outer cover, and a welding back block is located at the end of the second equipment compartment near the first equipment compartment. The welding back block and the self-propelled ultrasonic welding head cooperate with each other. Telescopic push rods are symmetrically fixedly connected to the left and right sides of the base, and a docking arc-shaped wire limiting block is fixedly connected to the end of the telescopic push rod away from the base. Two sets of centering springs are symmetrically fixedly connected to the front and rear inner walls of the docking arc-shaped wire limiting block. A sloped abutment is fixedly connected to the end of one set of centering springs on the same side away from the inner wall of the docking arc-shaped wire limiting block. A transparent outer cover is installed between the second equipment compartment and the first equipment compartment.

[0007] In the aforementioned automotive wiring harness quick docking device, this solution utilizes the docking arc-shaped wire limiting blocks on both sides of the equipment base to initially dock and fix the wiring harness. The two inclined abutments in the docking arc-shaped wire limiting blocks, controlled by centering springs, maintain the precise docking of the center positions of wiring harnesses of different diameters. At this point, pushing the telescopic push rod outside the docking arc-shaped wire limiting blocks inward allows the two docking arc-shaped wire limiting blocks to stably approach each other, thus achieving precise docking and welding operations.

[0008] As a further improvement of this application, U-shaped bars are symmetrically fixedly connected to the lower left and right sides of the transparent cover, and electric guide rails are symmetrically installed on the front and rear sides of the rear inner wall of the U-shaped bars.

[0009] As a further improvement of this application, the output ends of the two electric guide rails are fixedly connected to displacement plates, and the lower ends of the displacement plates are fixedly connected to multiple external sleeves, which are equidistant from left to right.

[0010] As a further improvement of this application, a compression spring is fixedly connected to the upper inner wall of the outer sleeve, and a flexible inner cylinder is fixedly connected to the lower end of the compression spring, with the flexible inner cylinder slidingly connected inside the outer sleeve.

[0011] As another improvement of this application, a pair of recessed slots are provided at the upper end of the equipment base, and two external sleeves are located directly below the corresponding U-shaped bars.

[0012] As a further improvement to this application, a rubber pad is fixedly connected to the inner wall of the recessed groove, and the rubber pad is in contact with the flexible inner cylinder.

[0013] As a further improvement to this application, a suction pipe is fixedly connected to the upper front side of the first equipment compartment, and a suction pump is connected to the outside of the suction pipe.

[0014] In summary, this solution utilizes the arc-shaped limiting blocks on both sides of the equipment base to initially connect and fix the wire harness. Two inclined abutments controlled by centering springs within the arc-shaped limiting blocks maintain precise alignment of the centers of wire harnesses with different diameters. Pushing the telescopic push rod outside the arc-shaped limiting blocks inwards allows the two blocks to stably approach each other, ensuring more precise welding of the metal position between them by the self-propelled ultrasonic welding head. Compared to manual operation, the use of the arc-shaped limiting blocks effectively ensures the tightness of the wire harness during welding, preventing loosening. Furthermore, the undesirable gases generated during welding can be blocked by the transparent outer casing, preventing large-scale inhalation by the operator. In addition to the transparent outer casing blocking undesirable gases, a flexible inner cylinder is designed to flexibly cooperate with the wire harness, further preventing the escape of undesirable gases during welding. Attached Figure Description

[0015] Figure 1 This is an isometric view of the docking device according to the first and second embodiments of this application;

[0016] Figure 2 This is the first embodiment of the present application. Figure 1 Enlarged view of a partial truncation at point A in the middle;

[0017] Figure 3 This is a top view of the docking device according to the first embodiment of this application;

[0018] Figure 4 This is an isometric view of the U-shaped bar according to the first embodiment of this application;

[0019] Figure 5 This is a partially truncated enlarged view of the U-shaped bar according to the first embodiment of this application;

[0020] Figure 6 This is a schematic diagram of the interior of the outer sleeve according to the first embodiment of this application;

[0021] Figure 7 This is the second embodiment of the present application. Figure 1 Enlarged view of a partial section of the concave groove in the middle and lower part.

[0022] Explanation of the labels in the diagram:

[0023] 1. Equipment base; 2. First equipment compartment; 3. Second equipment compartment; 4. Suction pipe; 5. Self-propelled ultrasonic welding head; 6. U-shaped bar; 7. Recessed groove; 8. Rubber inner pad; 9. Telescopic push rod; 10. Butt joint arc-shaped limit block; 11. Centering spring; 12. Angled abutment plate; 13. Transparent outer cover; 14. Welding back block; 15. Electric guide rail; 16. Displacement bar; 17. Outer sleeve; 18. Flexible inner cylinder; 19. Compression spring. Detailed Implementation

[0024] The two embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0025] First implementation method:

[0026] Figure 1-6 A quick-connection device for automotive wiring harnesses is shown, comprising a base 1. A first equipment compartment 2 and a second equipment compartment 3 are symmetrically fixedly connected to the front and rear sides of the upper end of the base 1. A self-propelled ultrasonic welding head 5 is provided at the end of the first equipment compartment 2 near the transparent cover 13. A welding back block 14 is provided at the end of the second equipment compartment 3 near the first equipment compartment 2. The welding back block 14 and the self-propelled ultrasonic welding head 5 cooperate with each other. Telescopic push rods 9 are symmetrically fixedly connected to the left and right sides of the base 1. A docking arc-shaped wire limiting block 10 is fixedly connected at the end of the telescopic push rod 9 away from the base 1. Two sets of centering springs 11 are symmetrically fixedly connected to the front and rear inner walls of the docking arc-shaped wire limiting block 10. An inclined abutment plate 12 is fixedly connected at the end of one set of centering springs 11 located on the same side away from the inner wall of the docking arc-shaped wire limiting block 10. A transparent cover 13 is installed between the second equipment compartment 3 and the first equipment compartment 2.

[0027] Figure 1-6 The lower end of the transparent outer cover 13 is symmetrically fixedly connected to the left and right sides of the left and right sides. The rear inner wall of the U-shaped bar 6 is symmetrically installed with electric guide rails 15 on the front and rear sides. The output ends of the two electric guide rails 15 are fixedly connected to the displacement bar 16. The lower end of the displacement bar 16 is fixedly connected to multiple outer sleeves 17. The multiple outer sleeves 17 are equidistant from left to right. The upper inner wall of the outer sleeve 17 is fixedly connected to the compression spring 19. The lower end of the compression spring 19 is fixedly connected to the flexible inner cylinder 18. The flexible inner cylinder 18 is slidably connected inside the outer sleeve 17. The front upper side of the first equipment compartment 2 is fixedly connected to the suction pipe 4. The suction pipe 4 is connected to the suction pump.

[0028] Figure 1-6This solution utilizes the self-propelled ultrasonic welding head 5 and the welding back block 14 on one side to weld the metal parts of the wire harnesses. When the two wire harnesses are positioned between the self-propelled ultrasonic welding head 5 and the suction pipe 4, the arc-shaped wire limiting blocks 10 on both sides of the equipment base 1 can be used to initially connect and fix the wire harnesses. The two inclined abutments 12 within the arc-shaped wire limiting blocks 10, controlled by the centering spring 11, maintain precise alignment of the center positions of wire harnesses of different diameters. At this point, pushing the telescopic push rod 9 outside the arc-shaped wire limiting blocks 10 inwards allows the two arc-shaped wire limiting blocks 10 to stably approach each other, ensuring that the metal position between the two arc-shaped wire limiting blocks 10 can be welded more precisely by the self-propelled ultrasonic welding head 5. Compared to manual operation, the cooperation of the arc-shaped wire limiting blocks 10 effectively ensures the tightness of the wire harness welding and prevents defects. The loosening and welding process can be prevented by the transparent outer cover 13, thus preventing the operator from inhaling large amounts of it. When the transparent outer cover 13 is used to prevent the welding process, displacement plates 16 can be set in the U-shaped bars 6 on both sides of the lower part of the transparent outer cover 13. The displacement plates 16 can be moved up and down by the electric guide rail 15. After the wire harness is connected and before the welding operation begins, multiple outer sleeves 17 can be pressed down by the electric guide rail 15. When the flexible inner cylinder 18 under the outer sleeve 17 contacts the wire harness position, the compression spring 19 inside is compressed, causing the flexible inner cylinder 18 to retract into the outer sleeve 17. The remaining flexible inner cylinders 18 move down smoothly to seal the two sides of the transparent outer cover 13, further preventing the welding process from escaping. The welding process can also be ensured by the suction pump connected to the suction pipe 4.

[0029] Second implementation method:

[0030] Figure 1 , Figure 7 This invention discloses a quick-connection device for automotive wiring harnesses. The upper end of the device base 1 is provided with a pair of recessed slots 7. Two external sleeves 17 are respectively located directly below the corresponding U-shaped bars 6. A rubber inner pad 8 is fixedly connected to the inner wall of the recessed slot 7. The rubber inner pad 8 is in contact with the flexible inner cylinder 18. At the same time, recessed slots 7 that cooperate with the flexible inner cylinder 18 are provided on both sides of the device base 1. The recessed slots 7 can extend the flexible inner cylinder 18 into its inner position during the pressing process, so that its effect of blocking bad gas is better. When the flexible inner cylinder 18 is inserted into the recessed slot 7, it can also contact the rubber inner pad 8, so that the fit between the flexible inner cylinder 18 and the recessed slot 7 is better.

[0031] In light of current practical needs, the above-described embodiments adopted in this application are not limited to these. Any changes made within the scope of knowledge possessed by those skilled in the art without departing from the concept of this application still fall within the protection scope of this utility model.

Claims

1. A quick-connect device for automotive wiring harnesses, characterized in that: The device includes a base (1), on which a first equipment compartment (2) and a second equipment compartment (3) are symmetrically fixedly connected on the front and rear sides of the upper end. A self-propelled ultrasonic welding head (5) is provided at the end of the first equipment compartment (2) near the transparent outer cover (13), and a welding back block (14) is provided at the end of the second equipment compartment (3) near the first equipment compartment (2). The welding back block (14) and the self-propelled ultrasonic welding head (5) cooperate with each other. The left and right sides of the device base (1) are symmetrical. A telescopic push rod (9) is fixedly connected. The end of the telescopic push rod (9) away from the equipment base (1) is fixedly connected to a docking arc-shaped limit block (10). Two sets of centering springs (11) are symmetrically fixedly connected to the front and rear inner walls of the docking arc-shaped limit block (10). The end of the centering spring (11) located on the same side away from the inner wall of the docking arc-shaped limit block (10) is fixedly connected to a sloped abutment plate (12). A transparent cover (13) is installed between the second equipment compartment (3) and the first equipment compartment (2).

2. The automotive wiring harness quick-connection device according to claim 1, characterized in that: The lower end of the transparent outer cover (13) is symmetrically fixed with U-shaped bars (6) on the left and right sides, and electric guide rails (15) are symmetrically installed on the rear inner wall of the U-shaped bars (6) on the front and rear sides.

3. The automotive wiring harness quick-connection device according to claim 2, characterized in that: The output ends of the two electric guide rails (15) are fixedly connected to displacement plates (16), and the lower ends of the displacement plates (16) are fixedly connected to multiple external sleeves (17), which are equidistant from left to right.

4. The automotive wiring harness quick-connection device according to claim 3, characterized in that: A compression spring (19) is fixedly connected to the upper inner wall of the outer sleeve (17), and a flexible inner cylinder (18) is fixedly connected to the lower end of the compression spring (19). The flexible inner cylinder (18) is slidably connected inside the outer sleeve (17).

5. The automotive wiring harness quick-connection device according to claim 4, characterized in that: The upper end of the equipment base (1) is provided with a pair of recessed slots (7), and the two external sleeves (17) are located directly below the corresponding U-shaped bars (6).

6. The automotive wiring harness quick-connection device according to claim 5, characterized in that: A rubber pad (8) is fixedly connected to the inner wall of the recessed groove (7), and the rubber pad (8) is in contact with the flexible inner cylinder (18).

7. The automotive wiring harness quick-connection device according to claim 1, characterized in that: A suction pipe (4) is fixedly connected to the upper front end of the first equipment compartment (2), and a suction pump is connected to the outside of the suction pipe (4).

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