A double-tube insertion machine
The rotary wire harness processing equipment automates the switching between wire harness tubing, heat shrinking, and cooling, solving the problem of complex structure in existing equipment, improving processing efficiency and stability, and reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 广东卓迈智能机械有限公司
- Filing Date
- 2025-08-14
- Publication Date
- 2026-07-03
AI Technical Summary
Existing wire harness processing equipment has a complex structure and requires multiple robotic arms to work together, resulting in high design difficulty, high cost and difficult maintenance.
The device adopts a rotary table structure, which automates the switching of wire harness tubing, heat shrinking and cooling through multiple stations on the rotary table. This simplifies the equipment structure and uses the rotation of the rotary table to drive the switching of stations, so that tubing, heat shrinking and cooling can be performed simultaneously.
It simplifies the equipment structure, reduces design and manufacturing costs, improves processing efficiency and stability, and reduces equipment maintenance difficulty.
Smart Images

Figure CN224458915U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wire harness processing, and in particular to a double-tube insertion machine. Background Technology
[0002] In current wire harness manufacturing, the assembly process of terminals and heat shrink tubing is a crucial step in ensuring the electrical performance and mechanical stability of the wire harness. The manufacturing process involves first fitting heat shrink tubing onto the outside of the wire harness, and then using equipment such as a hot air gun and heating plate to heat the heat shrink tubing, causing it to shrink and tightly wrap around the terminal, thereby achieving the functions of sealing, insulation, and protection for the terminal.
[0003] To complete operations such as sheathing, heating, and transferring wire harnesses in the wire harness processing workflow, existing equipment often requires multiple robotic arms to work together. The coordination of multiple robotic arms necessitates precise motion coordination and a complex control system, which not only makes the overall machine structure extremely complex, increasing the difficulty of design, manufacturing, and debugging, but also significantly raises the machine's cost. Furthermore, the complex structure makes subsequent maintenance and troubleshooting difficult. Utility Model Content
[0004] This utility model provides a double-tube insertion machine.
[0005] This utility model provides a technical solution that adopts the following approach:
[0006] A double-tube insertion machine includes a terminal feeding device, a detection device, a wire feeding device, a tube sleeve device, and a discharge station. The tube sleeve device includes a turntable and multiple stations disposed on the turntable. The multiple stations are evenly distributed around the outer circumference of the turntable. The stations are configured as circular holes to accommodate the insertion of the tubes. The multiple stations include a tube sleeve station, a heat shrink station, and several cooling stations.
[0007] The heat shrink tubing is inserted into the sleeve station, and then the turntable is driven to rotate, causing the heat shrink tubing to move to the heat shrink station. One end of the wire harness is then inserted into the heat shrink station, so that the wire harness is inserted into the heat shrink tubing. The heat shrink tubing in the heat shrink station is heated, causing the heat shrink tubing to shrink and wrap the wire harness and terminals. After the heat shrink tubing is shrunk, the wire harness is removed from the heat shrink station by a worker or a robotic arm and moved to the testing device for quality inspection.
[0008] After the wire harness is removed, the turntable rotates, moving the position originally at the heat shrink station to the cooling station for cooling. This lowers the temperature at the sleeve station, preventing sleeve deformation before heat shrinking. The turntable's rotation drives the switching between multiple stations, allowing wire harness sleevering, heating, and transfer to be completed on the turntable itself. This simplifies the overall device, and the simultaneous sleevering, heat shrinking, and cooling improves the efficiency of wire harness processing.
[0009] Preferably, the number of workstations is four, each workstation is provided with a clearance hole, the clearance hole extends from the workstation toward a direction away from the center of the turntable and thus penetrates the outer peripheral wall of the turntable; the heat shrinking workstation is provided with a heating element.
[0010] The clearance hole can prevent the heating element from heating, so that the heat from the heating element can be transferred to the heat shrink tubing more efficiently, reducing heat loss during the heat transfer process, while increasing the opening area to facilitate subsequent heat dissipation.
[0011] Preferably, the turntable is further provided with a limiting part and a clamping part on both sides. The limiting part and the wire fixing part are respectively provided with a limiting hole and a fixing hole that are directly opposite the heat shrink station. The diameter of the limiting hole is smaller than the diameter of the heat shrink tube before heating. The clamping part is used to clamp the wire harness.
[0012] When the heat shrink tubing rotates to the heat shrinking station, the worker or robot will pass the wire harness through the fixing hole, the inner circumference of the heat shrink tubing, and the limiting hole in sequence. The limiting hole restricts the movement of the heat shrink tubing, preventing the heat shrink tubing from being driven into the limiting hole by the wire harness. This ensures that the heat shrink tubing is stably set in the heat shrinking station. Then, the clamping part clamps one end of the wire harness, so that when heated, the heat shrink tubing can stably and evenly wrap the wire harness, which helps to improve the stability of the processing.
[0013] Preferably, the clamping part includes a pneumatic finger and two clamping plates, the fixing hole passes through the connection of the two clamping plates, and the side of the clamping plate away from the turntable has an inclined guide surface.
[0014] The guide surface makes it easy to insert the wire harness into the fixing hole. The two clamping plates can clamp the wire harness located between the fixing holes by moving towards each other, making it easier to feed the wire harness and improving the efficiency of wire harness processing.
[0015] Preferably, the limiting part includes a fixing plate disposed on the side of the turntable away from the clamping part, and the limiting hole penetrates the fixing plate.
[0016] Preferably, the guide surfaces of the two clamping plates are joined to form a conical surface.
[0017] The inclined guide surfaces of the two clamps are spliced together to form a conical inner wall, which creates an arc-shaped surface on the fixing hole that facilitates guidance, making it easier to insert the wire harness into the fixing hole.
[0018] In summary, this utility model has the following beneficial technical effects:
[0019] The heat shrink tubing is inserted into the sleeve station, and then the turntable is driven to rotate, causing the heat shrink tubing to move to the heat shrink station. One end of the wire harness is then inserted into the heat shrink station, so that the wire harness is inserted into the heat shrink tubing. The heat shrink tubing in the heat shrink station is heated, causing the heat shrink tubing to shrink and wrap the wire harness and terminals. After the heat shrink tubing is shrunk, the wire harness is removed from the heat shrink station by a worker or a robotic arm and moved to the testing device for quality inspection.
[0020] After the wire harness is removed, the turntable rotates, moving the position originally at the heat shrink station to the cooling station for cooling. This lowers the temperature at the sleeve station, preventing sleeve deformation before heat shrinking. The turntable's rotation drives the switching between multiple stations, allowing wire harness sleevering, heating, and transfer to be completed on the turntable itself. This simplifies the overall device, and the simultaneous sleevering, heat shrinking, and cooling improves the efficiency of wire harness processing. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the overall structure of a double-tube number insertion machine according to this utility model.
[0022] Figure 2 yes Figure 1 Enlarged diagram of point A in the middle.
[0023] Figure 3 It is a structural schematic diagram used to show the relative positions of fixed holes, limiting holes, and workstations.
[0024] Explanation of reference numerals in the attached drawings: 1. Turntable; 2. Sleeve station; 3. Heat shrink station; 4. Cooling station; 5. Clearance hole; 6. Restriction hole; 7. Pneumatic finger; 8. Clamping plate; 9. Guide surface; 10. Fixing hole; 11. Fixing plate. Detailed Implementation
[0025] The following is in conjunction with the appendix Figure 1-3 The present invention will be described in further detail below.
[0026] This utility model discloses a double-tube insertion machine.
[0027] Reference Figure 1 as well as Figure 2 A double-tube insertion machine includes a terminal feeding device, a detection device, a wire feeding device, a sleeve device, and a discharge station. The sleeve device includes a turntable 1 and multiple stations on the turntable 1. The multiple stations are evenly distributed around the outer circumference of the turntable 1. The stations are arranged in a circular hole shape to accommodate the insertion of the tube. The multiple stations include a sleeve station 2, a heat shrink station 3, and several cooling stations 4.
[0028] The feeding device cuts the heat shrink tubing and inserts it into the sleeve station 2. Then, it drives the turntable 1 to rotate, causing the heat shrink tubing to move to the heat shrink station 3. Then, one end of the wire harness is inserted into the heat shrink station 3, so that the wire harness is inserted into the heat shrink tubing. The heat shrink tubing in the heat shrink station 3 is heated, so that the heat shrink tubing shrinks and wraps the wire harness and terminals. After the heat shrink tubing shrinks, the wire harness is removed from the heat shrink station 3 by a worker or a robotic arm and moved to the testing device for quality inspection.
[0029] After the wire harness is removed, turntable 1 rotates, moving it from the heat shrink station 3 to the cooling station 4 for cooling. This lowers the temperature at the sleeve station 2, preventing sleeve deformation before heat shrinking. The rotation of turntable 1 drives the switching between multiple stations, allowing wire harness sleeve, heating, and transfer to be completed on turntable 1. This simplifies the overall device, and the simultaneous sleeve, heat shrinking, and cooling improves the efficiency of wire harness processing.
[0030] The feeding device, which provides heat shrink tubing, cuts the heat shrink tubing, and inserts it onto the turntable 1, is existing technology and will not be described in detail here.
[0031] The testing device uses a CCD camera to check whether the wire harness sleeve is standard, which is existing technology and will not be elaborated here.
[0032] The wire feeding device includes a winding wheel and a structure for cutting the wire harness. The cut wire harness is inserted onto the turntable 1 by a robotic arm or manually. The winding wheel and the wire harness cutting structure are existing technologies and will not be described in detail here.
[0033] The unloading station is located at the end of the detection device that is far from the loading device. The structure is existing technology and will not be described in detail here.
[0034] Reference Figure 2 as well as Figure 3 In this embodiment, there are four workstations, and each workstation is provided with a clearance hole 5. The clearance hole 5 extends from the workstation toward the direction away from the center of the turntable 1 and thus penetrates the outer peripheral wall of the turntable 1; a heating element is provided on the heat shrinking workstation 3.
[0035] The clearance hole 5 can avoid the heating of the heating element, so that the heat of the heating element can be transferred to the heat shrink tubing more efficiently, reducing the loss in the heat transfer process, while increasing the opening area to facilitate subsequent heat dissipation.
[0036] Reference Figure 2 as well as Figure 3 In this embodiment, the turntable 1 is also provided with a limiting part and a clamping part on both sides. The limiting part and the wire fixing part are respectively provided with a limiting hole 6 and a fixing hole 10 that are directly opposite the heat shrink station 3. The diameter of the limiting hole 6 is smaller than the diameter of the heat shrink tube before heating. The clamping part is used to clamp the wire harness.
[0037] When the heat shrink tubing rotates to the heat shrink station 3, the worker or robot will pass the wire harness through the fixing hole 10, the inner circumference of the heat shrink tubing, and the limiting hole 6 in sequence. The limiting hole 6 restricts the movement of the heat shrink tubing, preventing the heat shrink tubing from being driven into the limiting hole 6 by the wire harness. This ensures that the heat shrink tubing is stably set in the heat shrink station 3. Then, the clamping part clamps one end of the wire harness, so that when heated, the heat shrink tubing can stably and evenly wrap the wire harness, which helps to improve the stability of the processing.
[0038] Reference Figure 2 as well as Figure 3 In this embodiment, the clamping part includes a pneumatic finger 7 and two clamping plates 8. The fixing hole 10 passes through the connection of the two clamping plates 8, and the side of the clamping plate 8 away from the turntable 1 has an inclined guide surface 9.
[0039] The guide surface 9 makes it easy to insert the wire harness into the fixing hole 10. The two clamping plates 8 can clamp the wire harness located between the fixing holes 10 by moving towards each other, making it easier to feed the wire harness and improving the efficiency of wire harness processing.
[0040] Reference Figure 2 as well as Figure 3 In this embodiment, the limiting part includes a fixing plate 11 disposed on the side of the turntable 1 away from the clamping part, and the limiting hole 6 penetrates the fixing plate 11.
[0041] Reference Figure 2 as well as Figure 3 In this embodiment, the guide surfaces 9 of the two clamping plates 8 are spliced into a conical surface.
[0042] The inclined guide surfaces 9 of the two clamping plates 8 are spliced together to form a conical inner wall, which makes the arc surface on the fixing hole 10 easy to guide, making it easier to insert the wire harness into the fixing hole 10.
[0043] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.
Claims
1. A double numbering tube insertion housing machine characterized by: The device includes a terminal feeding device, a testing device, a wire feeding device, a sleeve device, and a unloading station. The sleeve device includes a turntable and multiple stations on the turntable. The multiple stations are evenly distributed around the outer circumference of the turntable. The stations are configured as circular holes to accommodate the insertion of the sleeves. The multiple stations include a sleeve station, a heat shrink station, and several cooling stations.
2. The double numbering tube shell inserting machine according to claim 1, wherein: The number of workstations is four, and each workstation is provided with a clearance hole. The clearance hole extends from the workstation in a direction away from the center of the turntable and penetrates the outer peripheral wall of the turntable. The heat shrinking workstation is provided with a heating element.
3. The dual number tube shell inserter of claim 2 wherein: The turntable is also provided with a limiting part and a clamping part on both sides. The limiting part and the wire fixing part are respectively provided with limiting holes and fixing holes that are directly opposite the heat shrink station. The diameter of the limiting hole is smaller than the diameter of the heat shrink tube before heating. The clamping part is used to clamp the wire harness.
4. The dual number tube shell inserter of claim 3 wherein: The clamping part includes a pneumatic finger and two clamping plates. The fixing hole passes through the connection between the two clamping plates, and the side of the clamping plate away from the turntable has an inclined guide surface.
5. The dual number tube shell inserter of claim 3 wherein: The limiting part includes a fixing plate located on the side of the turntable away from the clamping part, and the limiting hole penetrates the fixing plate.
6. The dual number tube shell inserter of claim 4 wherein: The guide surfaces of the two clamping plates are joined to form a conical surface.