A omnidirectional heat shrink device for electric wires
By designing a servo motor-driven wire all-round heat shrink device, the combination of screws and positioning plates can achieve heat shrinkage at the same time at both ends of the wire harness, which solves the problem of inefficient heat shrinkage caused by insufficient concentration of heat in the prior art, and significantly improves the heat shrinkage effect.
Patent Information
- Application Number
- CN202420570182.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-03-22
AI Technical Summary
The existing wire heat shrinking devices do not concentrate enough during the heat shrinkage process, resulting in low heating efficiency, extended heat shrinkage time and poor heat shrinkage effect.
A full-circuit heat shrinkage device for wires is designed, using a servo motor to drive the screw operation, and the positioning plate and the hot air gun are arranged symmetrically to achieve the heat shrinkage at the same time at both ends of the wire harness. The air outlet of the hot air gun faces the heating tank to release heat in a concentrated manner.
Through all-round heat shrinkage treatment, the range and strength of heat shrinkage are improved, the heat shrinkage time is shortened, the heat shrinkage effect is significantly improved, and the wire harness is closely integrated with the wire.
Smart Images

Figure CN222720132U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of electric wire heat shrinkage processing, and in particular relates to an all-round electric wire heat shrinkage device. Background Art
[0002] In the production process of wires, it is often necessary to bundle multiple wires and put them inside a designated harness, and heat shrink the harness so that the harness and multiple wires are tightly combined into one. Heat shrinkage refers to the behavior of polymer materials shrinking when heated, and the shrinkage ratio is generally 30%. This heat shrinkage phenomenon is essentially different from the thermal expansion and contraction of a small number of small molecular substances. The latter mainly refers to the abnormal thermal shrinkage and cold expansion behavior of substances due to the action of intermolecular hydrogen bonds.
[0003] In the process of realizing the utility model, the inventors found that there are at least the following problems in the technology: most of the heat shrink devices currently used for heat shrinking wires and wire harnesses in the wire processing process do not concentrate the heat sufficiently during heat shrinkage of the wire harnesses and have low heating efficiency, which results in prolonged heat shrinkage time and poor heat shrinkage effect.
[0004] Therefore, we propose a omnidirectional heat shrink device for electric wires to solve the above problems. Utility Model Content
[0005] The main purpose of the utility model is to provide an all-round heat shrink device for electric wires, so that the heat shrinkage range and strength are higher, all-round heat shrinkage is achieved, so that the final heat shrinkage effect is better, and the problems in the background technology can be effectively solved.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A omnidirectional heat shrink device for electric wires, comprising a workbench and a heat shrink mechanism located on the workbench, a motor is horizontally mounted on one side wall of the workbench, and a through groove penetrating the top wall and the bottom wall of the workbench is formed on the workbench, wherein both sides of the through groove are formed with side grooves facing inwardly of the workbench, a screw rod and a limit slide rod are respectively arranged in the two side grooves, wherein the output shaft of the motor is coaxially connected with the screw rod, and both ends of the limit slide rod are welded to the workbench;
[0008] Positioning plates are symmetrically arranged on both sides of the penetration groove on the workbench, wherein ear plates are welded on both sides of the bottom wall of each positioning plate, one of the ear plates on the bottom wall of the positioning plate is threadedly sleeved on the screw rod, and the other ear plate is slidably sleeved on the limit sliding rod, and the threads at both ends of the screw rod have opposite rotation directions;
[0009] The positioning plate is in an inverted T shape and has three installation slots. The heat shrink mechanism includes hot air guns installed in the three installation slots respectively. A heating slot is formed at the center of the bottom wall of the positioning plate, and the air outlets of the three hot air guns on the positioning plate are all facing the heating slot. A storage table is fixed at the center of the penetrating slot on the workbench.
[0010] As a preferred implementation scheme, the screw rod and the limiting slide rod are both arranged horizontally, and both ends of the screw rod are rotatably connected to the workbench; so that the screw rod can operate stably under the drive of the motor, and the motor needs to be powered by external power facilities.
[0011] As a preferred embodiment, an inverted U-shaped receiving frame is welded on the workbench, and a cylinder is vertically installed at the center of the top wall of the receiving frame; wherein both ends of the receiving frame are connected to the top wall of the workbench.
[0012] As a preferred embodiment, a conveying rod is connected below the cylinder, and a pressure plate is welded to the bottom of the conveying rod; wherein the conveying rod is vertically arranged and connected below the receiving frame.
[0013] As a preferred embodiment, the pressure plate is located directly above the storage table, and two L-shaped support frames are welded on both sides of the bottom wall of the storage table, wherein the end of the support frame away from the storage table is welded to the workbench; so that the storage table structure remains stable and can hold a wiring harness with multiple wires, so that the heat shrinkage of the wiring harness can proceed smoothly.
[0014] In summary, the technical effects and advantages of the utility model are as follows:
[0015] The all-round heat shrink device for electric wires operates a screw rod through the operation of a servo motor, so that two positioning plates are moved to the two ends of the wire harness respectively, so that both ends of the wire harness (heat shrink tube) with multiple wires can be heat shrunk at the same time. At the same time, each end of the wire harness is heat-shrunk by three hot air guns, so that the range and intensity of heat shrinkage are higher, and all-round heat shrinkage is achieved, so that the final heat shrinkage effect is better. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of one side of the utility model;
[0017] Figure 2 It is a structural schematic diagram of the other side of the utility model;
[0018] Figure 3 It is a partial cross-sectional view of the utility model.
[0019] In the figure: 1. workbench; 2. motor; 3. side groove; 4. screw; 5. limit slide rod; 6. ear plate; 7. positioning plate; 8. installation groove; 9. hot air gun; 10. heating groove; 11. receiving frame; 12. cylinder; 13. transmission rod; 14. pressure plate; 15. storage table; 16. support frame. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0021] Reference Figure 1-Figure 3 , a omnidirectional heat shrink device for electric wires, comprising a workbench 1 and a heat shrink mechanism located on the workbench 1, a motor 2 is horizontally installed on one side wall of the workbench 1, and a through groove penetrating the top wall and the bottom wall thereof is formed on the workbench 1, wherein both sides of the through groove are formed with side grooves 3 facing the inside of the workbench 1, and a screw 4 and a limiting slide 5 are respectively arranged in the two side grooves 3, wherein the output shaft of the motor 2 is coaxially connected with the screw 4, and both ends of the limiting slide 5 are welded to the workbench 1, the screw 4 and the limiting slide 5 are both horizontally arranged, and both ends of the screw 4 are rotatably connected to the workbench 1, so that the screw 4 can stably operate under the drive of the motor 2, and the motor 2 needs to be powered by external power facilities;
[0022] Positioning plates 7 are symmetrically arranged on both sides of the through-groove on the workbench 1, wherein ear plates 6 are welded on both sides of the bottom wall of each positioning plate 7, one of the ear plates 6 on the bottom wall of the positioning plate 7 is threadedly sleeved on the screw rod 4, and the other ear plate 6 is slidably sleeved on the limiting slide rod 5, the threads at both ends of the screw rod 4 are rotated in opposite directions, the positioning plate 7 is in an inverted T shape, and three mounting grooves 8 are opened on the positioning plate 7, the heat shrink mechanism includes a hot air gun 9 respectively installed in the three mounting grooves 8, a heating groove 10 is formed at the center of the bottom wall of the positioning plate 7, and the air outlets of the three hot air guns 9 on the positioning plate 7 are all facing the heating groove 10, and a storage table 15 is fixed at the center of the through-groove on the workbench 1;
[0023] An inverted U-shaped receiving frame 11 is welded on the workbench 1, and a cylinder 12 is vertically installed at the center of the top wall of the receiving frame 11, wherein both ends of the receiving frame 11 are connected to the top wall of the workbench 1, a conveying rod 13 is connected below the cylinder 12, and a pressure plate 14 is welded to the bottom of the conveying rod 13, wherein the conveying rod 13 is vertically arranged and connected below the receiving frame 11, the pressure plate 14 is located directly above the storage table 15, and two L-shaped support frames 16 are welded on both sides of the bottom wall of the storage table 15, wherein the end of the support frame 16 away from the storage table 15 is welded to the workbench 1, so that the structure of the storage table 15 remains stable and can hold a wiring harness with multiple wires, so that the heat shrinkage of the wiring harness can proceed smoothly.
[0024] The all-round heat shrink device for electric wires: when in use, first place the wire harness to be heat shrunk, which is equipped with multiple wires, flat on the storage table 15, and then drive the motor 2 to drive the screw 4 to operate, so that the two positioning plates 7 and the ear plates 6 on both sides of the bottom wall are translated along with the limiting slide bar 5 and translated in opposite directions, so that the two positioning plates 7 are moved to the two ends of the wire harness (inside the two heating grooves 10); then the hot air guns 9 on the two positioning plates 7 are powered on and operated respectively, and heat is quickly transported into the two heating grooves 10, so that the wire harnesses located in the two heating grooves 10 (i.e., the two ends of the wire harness) are heated at the same time to achieve heat shrinkage treatment. Since the three hot air guns 9 are running at the same time, more concentrated heat release can be achieved, so that the heat shrinkage effect is better. At the same time, the two ends of the wire harness are heat-shrunk at the same time, which also improves the efficiency.
[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An all-round heat shrink device for electric wires, comprising a workbench (1) and a heat shrink mechanism located on the workbench (1), characterized in that: A motor (2) is horizontally mounted on one side wall of the workbench (1), and a through groove penetrating the top wall and the bottom wall of the workbench (1) is formed on the workbench (1), wherein side grooves (3) are formed on both sides of the through groove toward the inside of the workbench (1), and a screw rod (4) and a limiting slide rod (5) are respectively arranged in the two side grooves (3), wherein the output shaft of the motor (2) is coaxially connected to the screw rod (4), and both ends of the limiting slide rod (5) are welded to the workbench (1); Positioning plates (7) are symmetrically arranged on both sides of the through groove on the workbench (1), wherein ear plates (6) are welded on both sides of the bottom wall of each positioning plate (7), one of the ear plates (6) on the bottom wall of the positioning plate (7) is threadedly sleeved on the screw rod (4), and the other ear plate (6) is slidably sleeved on the limiting slide rod (5), and the threads at both ends of the screw rod (4) have opposite rotation directions; The positioning plate (7) is in an inverted T-shape, and three mounting grooves (8) are provided on the positioning plate (7). The heat shrink mechanism comprises hot air guns (9) respectively installed in the three mounting grooves (8). A heating groove (10) is formed at the center of the bottom wall of the positioning plate (7), and the air outlets of the three hot air guns (9) on the positioning plate (7) are all facing the heating groove (10). A storage table (15) is fixed at the center of the through groove on the workbench (1).
2. The all-round heat shrink device for electric wires according to claim 1, characterized in that: The screw rod (4) and the limiting sliding rod (5) are both arranged horizontally, and both ends of the screw rod (4) are rotatably connected to the workbench (1).
3. The all-round heat shrink device for electric wires according to claim 1, characterized in that: An inverted U-shaped receiving frame (11) is welded on the workbench (1), and a cylinder (12) is vertically installed at the center of the top wall of the receiving frame (11).
4. The all-round heat shrink device for electric wires according to claim 3, characterized in that: A conveying rod (13) is connected below the cylinder (12), and a pressing plate (14) is welded to the bottom of the conveying rod (13).
5. The all-round heat shrink device for electric wires according to claim 4, characterized in that: The pressing plate (14) is located directly above the storage platform (15), and two L-shaped support frames (16) are welded to both sides of the bottom wall of the storage platform (15), wherein one end of the support frame (16) away from the storage platform (15) is welded to the workbench (1).