Automobile wire harness sleeve thermal shrinkage device
By introducing a cooling fan into the automotive wiring harness heat shrinking device to air-cool the wiring harness and conveyor belt, the problem of excessively high temperatures in the wiring harness and conveyor belt is solved, achieving a safe and efficient heat shrinking process.
Patent Information
- Application Number
- CN202422728740.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-09
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-11-09
AI Technical Summary
Existing automotive wiring harness heat shrinking devices generate excessively high surface temperatures on the wiring harness and conveyor belt during use, which can easily burn operators and poses a safety hazard.
A heat shrinking device for automotive wiring harness sleeves, comprising a conveying component, a heating component, and a cooling component, was designed. A cooling fan is used to air-cool the heat-shrinked wiring harness and conveyor belt to ensure safety.
It effectively reduces the temperature of the wire harness and conveyor belt, preventing burns and improving the safety of equipment use. At the same time, it has a simple structure and low cost.
Smart Images

Figure CN223493884U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of heat shrinking devices, specifically a heat shrinking device for automotive wiring harness sleeves. Background Technology
[0002] Automotive wiring harnesses are the core of a vehicle's electrical network; without them, there is no automotive electrical system. A wiring harness is an assembly consisting of copper-plated contact terminals (connectors) crimped to wires and cables, then covered with a molded insulator or an outer metal shell, and bundled together to form a connected circuit. The wiring harness industry chain includes wires and cables, connectors, processing equipment, wiring harness manufacturing, and downstream application industries. Wiring harnesses have a wide range of applications, including automobiles, home appliances, computer and communication equipment, and various electronic instruments.
[0003] During the processing of automotive wiring harnesses, heat shrink tubing needs to be applied externally and then heated and shrunk. This heat shrinking process requires heat shrinking equipment. One commonly used existing heat shrinking device is a continuous conveyor system, mainly composed of a conveyor structure and a heating component. Personnel simply place the wiring harness inside the conveyor structure, which then transports it to the heater, where the tubing is heated and shrunk. However, in practical use, the applicant has found that some automotive wiring harness tubing reaches high temperatures during heat shrinking, resulting in a high surface temperature after shrinking. This poses a significant risk of burns when personnel handle the harness. Furthermore, the high temperature of the conveyor belt during continuous operation further increases the risk of burns when loading, unloading, or handling the harness. Therefore, the safety of the equipment needs improvement. To address these issues, a heat shrinking device for automotive wiring harness tubing is proposed. Utility Model Content
[0004] The purpose of this utility model is to provide a heat shrink device for automotive wiring harness sleeves in order to solve the problems mentioned above.
[0005] The technical solution adopted in this utility model is as follows: A heat-shrinkable device for automotive wiring harness sleeves, comprising:
[0006] Base frame;
[0007] A conveying assembly for automotive wiring harnesses, the conveying assembly being mounted on the base frame;
[0008] A heating assembly for heat shrinking tubing, the heating assembly including an upper heater and a lower heater, both of which are fixedly mounted on a base frame;
[0009] A cooling assembly includes two supports and multiple horizontal plates, the horizontal plates being mounted on the supports and multiple cooling fans being fixedly mounted on the horizontal plates.
[0010] In a preferred embodiment, the conveying assembly includes four drive shafts, a motor, two chains, and a wire conveyor belt. The drive shafts are rotatably mounted on both sides of the base frame in pairs. The motor is fixedly mounted on the base frame and connected to one of the drive shafts via an output shaft. Sprockets are fixedly mounted on both sides of each drive shaft. The two chains mesh with the sprockets on both sides of the four drive shafts, and the wire conveyor belt is fixedly mounted on the chains.
[0011] In a preferred embodiment, the upper heater and the lower heater structures are respectively provided on the upper and lower sides of the steel belt conveyor.
[0012] In a preferred embodiment, the upper heater and the lower heater have the same structure, both including a housing, and a heat-shrinkable electric heating tube is fixedly installed inside the housing.
[0013] In a preferred embodiment, the support includes a top plate and a plurality of vertical plates, the vertical plates being fixedly installed at equal intervals at the bottom of the top plate, the lower part of the vertical plates being fixedly connected to the base frame, and the horizontal plates being fixedly installed on the top plate.
[0014] In a preferred embodiment, the fan includes a housing, a mounting bracket is fixedly installed on the inner wall of the housing, a second motor is fixedly installed on the mounting bracket, and a plurality of fan blades are installed on the output shaft of the second motor.
[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:
[0016] 1. In this utility model, the cooling fan on the horizontal plate is activated to cool the heat-shrinked automotive wiring harness, thereby accelerating the cooling of the wiring harness and preventing it from being too hot to handle. At the same time, the cooling fan blows directly onto the steel wire conveyor belt of the conveyor assembly, thereby cooling the steel wire conveyor belt. This prevents the steel wire conveyor belt from overheating and burning the operator later. The entire heat shrinking device is safer to use, and its simple structure and low cost make it worthy of promotion and use. Attached Figure Description
[0017] Figure 1 This is a simplified schematic diagram of the three-dimensional structure of this utility model;
[0018] Figure 2 This is a simplified schematic diagram of the internal structure of this utility model from the front view;
[0019] Figure 3 This is a simplified schematic diagram of the three-dimensional structure of the cooling fan in this utility model.
[0020] The markings in the diagram are: 1-base frame, 2-conveyor assembly, 3-heating assembly, 4-upper heater, 5-lower heater, 6-cooling assembly, 7-support, 8-horizontal plate, 9-cooling fan, 10-drive shaft, 11-motor, 12-chain, 13-wire conveyor belt, 14-sprocket, 15-shell, 16-electric heating tube, 17-vertical plate, 18-shell cover, 19-fixed frame, 20-fan blade, 21-top plate, 22-motor II. Detailed Implementation
[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below in conjunction with the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0022] The following will combine Figures 1-3 The heat shrinkable device for automotive wiring harness sleeves according to embodiments of this utility model will be described in detail.
[0023] Example:
[0024] The automotive wiring harness sleeve heat shrink device provided in this embodiment of the utility model is referenced. Figures 1 to 3 As shown, it includes:
[0025] Base frame 1;
[0026] Automotive wiring harness conveyor assembly 2, which is mounted on the base frame 1;
[0027] Heating assembly 3 for heat shrinking of tubing, the heating assembly 3 includes an upper heater 4 and a lower heater 5, both of which are fixedly mounted on the base frame 1;
[0028] The personnel described above place the car wiring harness with the sleeve on the conveyor assembly 2, and then the car wiring harness conveyor belt is heated to the heating assembly 3. At this time, the upper heater 4 and the lower heater 5 are used to heat and shrink the upper and lower sides of the wiring harness simultaneously. Then the heat-shrinked wiring harness will be transferred out of the heating assembly, thereby completing the heat shrinking of the car wiring harness.
[0029] refer to Figures 1 to 3As shown, the conveying assembly 2 includes four drive shafts 10, a motor 11, two chains 12, and a steel wire conveyor belt 13. The drive shafts 10 are mounted in pairs on both sides of the base frame 1. The motor 11 is fixedly mounted on the base frame 1 and is connected to one of the drive shafts 10 through its output shaft. Sprockets 14 are fixedly mounted on both sides of each drive shaft 10. The two chains 12 are respectively engaged with the sprockets 14 on both sides of the four drive shafts 10. The steel wire conveyor belt 13 is fixedly mounted on the chains 12. In this structure, the starting motor 11 drives the drive rollers 10 to rotate, the drive rollers 10 drive the sprockets 14 to rotate, and then drive the steel wire conveyor belt 13 on the chains 12 to move, thereby realizing the conveying and heat shrinking of the automotive wiring harness.
[0030] refer to Figures 1 to 3 As shown, the upper heater 4 and the lower heater 5 are respectively provided with the upper and lower sides of the steel belt conveyor. This structure can heat the upper and lower sides of the wire harness at the same time, so that the wire harness sleeve is heated more evenly.
[0031] refer to Figures 1 to 3 As shown, the upper heater 4 and the lower heater 5 have the same structure, both including a housing 15. An electric heating tube 16 for heat shrinking is fixedly installed inside the housing 15. This structure uses the electric heating tube 16 of the housing 15 to provide heating heat, thereby realizing the heat shrinking of the sleeve.
[0032] refer to Figures 1 to 3 As shown, the support 7 includes a top plate 16 and multiple vertical plates 17. The vertical plates 17 are fixedly installed at equal intervals at the bottom of the top plate 16. The lower part of the vertical plates 17 is fixedly connected to the base frame 1. The horizontal plates 8 are fixedly installed on the top plate 16. This structure, consisting of the top plate 16 and the vertical plates 17, forms the support 7 structure.
[0033] refer to Figures 1 to 3 As shown, the cooling assembly 6 includes two supports 7 and multiple horizontal plates 8. The horizontal plates 8 are mounted on the supports 7, and multiple cooling fans 9 are fixedly installed on the horizontal plates 8. In this structure, when the heat-shrinked automotive wiring harness is conveyed out from the heating assembly 3, the cooling fans 9 on the horizontal plates 8 are activated. The cooling fans 9 provide air cooling for the heat-shrinked automotive wiring harness, thereby accelerating the cooling of the wiring harness and preventing it from being too hot to handle. At the same time, the cooling fans blow directly onto the steel wire conveyor belt 13 of the conveying assembly 2, thereby cooling the steel wire conveyor belt 13. This prevents the steel wire conveyor belt 13 from being too hot and burning the operators later, making the entire heat shrinking device safer to use. Moreover, the structure is simple and the cost is low, making it worthy of promotion and use.
[0034] refer to Figures 1 to 3As shown, the cooling fan 9 includes a housing 18, a mounting bracket 19 is fixedly installed on the inner wall of the housing 18, a motor 22 is fixedly installed on the mounting bracket 19, and multiple fan blades 20 are installed on the output shaft of the motor 22. The above structure constitutes the air-cooled cooling fan 9. The motor 22 drives the fan blades 20 to rotate, thereby driving the airflow to accelerate and blow towards the wire harness and the steel wire conveyor belt 13.
[0035] The implementation principle of the automotive wiring harness sleeve heat shrinking device in this application embodiment is as follows: In use, the operator places the automotive wiring harness with the sleeve on the conveying assembly 2, and then starts the motor 11 to drive the transmission roller 10 to rotate. The transmission roller 10 drives the sprocket 14 to rotate, which in turn drives the steel wire conveyor belt 13 on the chain 12 to move, thereby conveying the wiring harness that needs to be heat-shrunk to the heating assembly 3. Then, the electric heating tubes 16 in the upper heater 4 and the lower heater 5 provide heat, and heat shrink the upper and lower sides of the wiring harness at the same time. The heat-shrunk wiring harness is then conveyed out of the heating assembly 3, thereby completing the heat shrinking of the automotive wiring harness. After the heat-shrinkable automotive wiring harness is conveyed out of the heating assembly 3, the cooling fan 9 on the horizontal plate 8 is started. The cooling fan 9 cools the heat-shrinkable automotive wiring harness with air, thereby accelerating the cooling of the wiring harness and preventing the wiring harness from being too hot to handle. At the same time, the cooling fan blows directly on the steel wire conveyor belt 13 of the conveying assembly 2, thereby cooling the steel wire conveyor belt 13, thus preventing the steel wire conveyor belt 13 from being too hot and burning the operator later.
[0036] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A heat-shrinkable device for automotive wiring harness tubing, characterized in that, include: Base frame (1); A conveying assembly (2) for automotive wiring harnesses, the conveying assembly (2) being mounted on the base frame (1); Heating assembly (3) for heat shrinking of tubing, the heating assembly (3) includes an upper heater (4) and a lower heater (5), both the upper heater (4) and the lower heater (5) are fixedly mounted on a base frame (1); The cooling assembly (6) includes two brackets (7) and multiple horizontal plates (8), the horizontal plates (8) are mounted on the brackets (7), and multiple cooling fans (9) are fixedly mounted on the horizontal plates (8).
2. The automotive wiring harness sleeve heat shrinking device as described in claim 1, characterized in that: The conveying assembly (2) includes four drive shafts (10), a motor (11), two chains (12), and a steel wire conveyor belt (13). The drive shafts (10) are mounted in pairs on both sides of the base frame (1). The motor (11) is fixedly mounted on the base frame (1). The motor (11) is connected to one of the drive shafts (10) through an output shaft. Sprockets (14) are fixedly mounted on both sides of the drive shaft (10). The two chains (12) are respectively engaged with the sprockets (14) on both sides of the four drive shafts (10). The steel wire conveyor belt (13) is fixedly mounted on the chains (12).
3. The automotive wiring harness tubing heat shrinking device as described in claim 2, characterized in that: The upper heater (4) and the lower heater (5) are respectively provided with the upper and lower sides of the steel belt conveyor.
4. The automotive wiring harness tubing heat shrinking device as described in claim 1, characterized in that: The upper heater (4) and the lower heater (5) have the same structure, both including a housing (15), and a heat-shrinkable electric heating tube (16) is fixedly installed inside the housing (15).
5. The automotive wiring harness sleeve heat shrinking device as described in claim 1, characterized in that: The bracket (7) includes a top plate (21) and a plurality of vertical plates (17). The vertical plates (17) are fixedly installed at equal intervals at the bottom of the top plate (21). The lower part of the vertical plates (17) is fixedly connected to the base frame (1). The horizontal plate (8) is fixedly installed on the top plate (21).
6. The automotive wiring harness tubing heat shrinking device as described in claim 1, characterized in that: The cooling fan (9) includes a housing (18), and a fixing frame (19) is fixedly installed on the inner wall of the housing (18). A second motor (22) is fixedly installed on the fixing frame (19), and multiple fan blades (20) are installed on the output shaft of the second motor (22).