Thermal shrinkage device for thermal shrinkage tube

Abstract

The utility model discloses a heat shrink tube thermal shrinkage device, relates to the wiring harness assembly technology field, and comprises a bearing frame, a thermal shrinkage mechanism is arranged below the bearing frame, the thermal shrinkage mechanism comprises a driving worm, the outer surface of the driving worm is rotatably connected with the bearing frame, the outer surface of the driving worm is engaged with a driven worm gear, and the driven worm gear is engaged with the bearing frame. The inner wall of the driven worm gear is fixedly connected with a transmission shaft, the two ends of the transmission shaft are rotationally connected with the bearing frame, the outer surface of the transmission shaft is fixedly connected with a driven arm, and the end, away from the transmission shaft, of the driven arm is hinged to a swing arm. Therefore, in the process of driving the arc-shaped spray pipe to move up and down, the arc-shaped spray pipe is synchronously driven to rotate in a reciprocating mode with the driving worm as the axis, hot air sprayed out of the arc-shaped spray pipe can make uniform contact with a heat shrink tube on a wire harness, the heat shrink quality of the heat shrink tube is remarkably improved, and the structural reliability of wire harness packaging is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wiring harness assembly, concretely is heat shrink tube heat shrink device. BACKGROUND

[0002] It is very important to sleeve heat shrink tube on wire, which tightly wraps wire through heat shrinkage, providing multiple protection: first, insulation and leakage prevention, avoiding short circuit risk; second, anti-wear and anti-stretch, enhancing mechanical strength; third, waterproof and moistureproof, resisting environmental erosion; fourth, anti-oxidation and corrosion, prolonging service life. In addition, color identification can quickly distinguish line function, improving maintenance efficiency.

[0003] Through the retrieval, the Chinese patent with publication number CN215283446U discloses a kind of wiring harness terminal heat shrink tube heat shrink device, including machine table;U-shaped frame, the U-shaped frame is fixedly installed at the top of machine table;Two rotating shafts, two The rotating shaft is rotatably installed on the inner wall of one side of the U-shaped frame;Two transmission rollers.The device has the advantages of labor saving, high working efficiency, uniform heat shrinkage.

[0004] Although the above scheme can save manpower and automatically heat shrink heat shrink tube, there are obvious defects in actual use, and the branch pipe can only be blown from top to bottom in one direction, so the hot air blown to the wiring harness on the conveying belt will gradually attenuate with the increase of distance, resulting in uneven heat shrinkage effect;Therefore, we provide a heat shrink tube heat shrink device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing heat shrink tube heat shrink device to solve the problems in the prior art.

[0006] To achieve the above object, the utility model provides the following technical scheme: heat shrink tube heat shrink device, including bearing frame, the lower portion of bearing frame is provided with heat shrink mechanism, the heat shrink mechanism includes driving worm, the outer surface of driving worm is rotatably connected with bearing frame, the outer surface of driving worm is connected with driven worm in meshing, the inner wall of driven worm is fixedly connected with transmission shaft, the both ends of transmission shaft are rotatably connected with bearing frame, the outer surface of transmission shaft is fixedly connected with driven arm, the end away from transmission shaft of driven arm is hingedly connected with swing arm, the end away from driven arm of swing arm is hingedly connected with driving ring, one end of driving worm is fixedly connected with L-shaped telescopic plate.

[0007] Preferably, the inner wall of the driving ring is slidably connected with a support slide, the top surface of the support slide is fixedly connected with the L-shaped telescopic plate, and the inner ring of the driving ring is provided with a sliding groove adapted to the support slide, thereby providing more stability when the support slide moves.

[0008] Preferably, the outer surface of the supporting slide is fixedly connected with the arc-shaped spray pipe and the hot air equipment body, the output end of the hot air equipment body is fixedly connected with the connecting pipe, the end of the connecting pipe away from the hot air equipment body is fixedly communicated with the arc-shaped spray pipe, and the hot air can be conveyed to the arc-shaped spray pipe through the connecting pipe by starting the hot air equipment body.

[0009] Preferably, the inner wall of the bearing frame is fixedly connected with the reciprocating motor, and the output end of the reciprocating motor is fixedly connected with the driving worm.

[0010] Preferably, the inner wall of the driving ring is slidably connected with the limiting slide rod, one end of the limiting slide rod is fixedly connected with the bearing frame, and the limiting slide rod is arranged to limit the driving ring, so that the driving ring is more stable during vertical movement.

[0011] Preferably, the outer portion of the bearing frame is provided with an adjusting mechanism, the adjusting mechanism comprises a mounting plate, the top surface of the mounting plate is rotatably connected with a driving screw, and the outer surface of the driving screw is threadedly connected with the bearing frame.

[0012] Preferably, the top surface of the mounting plate is fixedly connected with the limiting plate, and the outer surface of the limiting plate is slidably connected with the bearing frame.

[0013] Compared with the prior art, the application has the following beneficial effects:

[0014] 1. The cooperation of the parts in the heat shrinkage mechanism can drive the arc-shaped spray pipe to move up and down, and simultaneously drive the arc-shaped spray pipe to rotate around the driving worm as the axis, so that the hot air sprayed by the arc-shaped spray pipe can uniformly contact the heat shrink tube on the wire harness, significantly improving the heat shrinkage quality of the heat shrink tube and ensuring the structural reliability of the wire harness packaging.

[0015] 2. The cooperation of the parts in the adjusting mechanism can drive the bearing frame to move up and down by driving the driving screw to rotate, effectively adjusting the initial height of the arc-shaped spray pipe, so that the device can be installed on one side of a conveying equipment of different sizes, and the adaptability of the device during use is significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the heat shrinkage mechanism of the utility model;

[0018] Figure 3 It is the three-dimensional structure schematic view of the L-shaped telescopic plate of the utility model;

[0019] Figure 4 It is the three-dimensional structure schematic view of the adjusting mechanism of the utility model.

[0020] The figure mark: 1, bearing frame; 2, heat shrink mechanism; 201, driving worm; 202, driven worm wheel; 203, transmission shaft; 204, driven arm; 205, swing arm; 206, driving ring; 207, L-shaped telescopic plate; 208, supporting slide plate; 209, arc-shaped spray pipe; 210, hot air equipment body; 211, connecting pipe; 212, reciprocating motor; 213, limiting slide rod; 3, adjusting mechanism; 301, mounting plate; 302, driving screw; 303, limiting plate. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] As Figure 1 shown, the utility model provides the technical scheme of heat shrink tube heat shrink device, including bearing frame 1, the outer surface of bearing frame 1 is equipped with power supply, through the setting of power supply, can power supply for the electric equipment in the application.

[0023] As Figure 1 、 Figure 2 and Figure 3 shown, the lower portion of bearing frame 1 is provided with heat shrink mechanism 2, and heat shrink mechanism 2 includes driving worm 201, the outer surface of driving worm 201 is rotatably connected with bearing frame 1, the setting of bearing frame 1 effectively plays a limiting role on driving worm 201, and the outer surface of driving worm 201 is rotatably connected with driven worm wheel 202, driving worm 201 is driven to rotate, so that driven worm wheel 202 can be driven to rotate synchronously.

[0024] The inner wall of driven worm wheel 202 is fixedly connected with transmission shaft 203, the two ends of transmission shaft 203 are rotatably connected with bearing frame 1, the outer surface of transmission shaft 203 is fixedly connected with driven arm 204, one end of driven arm 204 away from transmission shaft 203 is hingedly connected with swing arm 205, one end of swing arm 205 away from driven arm 204 is hingedly connected with driving ring 206, the setting of transmission shaft 203 effectively plays a limiting role on driven worm wheel 202 and driven arm 204, so that they are more stable when rotating.

[0025] One end of the driving worm 201 is fixedly connected with an L-shaped telescopic plate 207, which can effectively drive the L-shaped telescopic plate 207 to reciprocatingly extend and retract through driving the driving ring 206 to reciprocatingly vertically move. The L-shaped telescopic plate 207 not only plays a supporting role in the process of driving the driving ring 206 to vertically move by driving the driving worm 201, but also can synchronously rotate by driving the L-shaped telescopic plate 207 to rotate by driving the driving worm 201, thereby effectively adjusting the supporting slide plate 208 in the inner wall of the driving ring 206 in multiple dimensions.

[0026] The inner wall of the driving ring 206 is slidably connected with the supporting slide plate 208, the top surface of the supporting slide plate 208 is fixedly connected with the L-shaped telescopic plate 207, and the inner ring of the driving ring 206 is provided with a sliding groove matched with the supporting slide plate 208, so that the supporting slide plate 208 is more stable when moving.

[0027] The outer surface of the supporting slide plate 208 is fixedly connected with an arc-shaped spray pipe 209 and a hot air equipment body 210, the output end of the hot air equipment body 210 is fixedly connected with a connecting pipe 211, one end of the connecting pipe 211 away from the hot air equipment body 210 is fixedly connected with the arc-shaped spray pipe 209, hot air can be conveyed to the arc-shaped spray pipe 209 through the connecting pipe 211 by turning on the hot air equipment body 210, the arc-shaped spray pipe 209 is provided in an arc shape, a plurality of air outlets are formed in the inner arc surface of the arc-shaped spray pipe 209, and hot air can be more uniformly blown to the surface of the heat-shrinkable tube through this design.

[0028] The inner wall of the bearing frame 1 is fixedly connected with a reciprocating motor 212, the output end of the reciprocating motor 212 is fixedly connected with the driving worm 201, the reciprocating motor 212 is electrically connected with the power supply on the surface of the bearing frame 1 through wires, and the surface of the bearing frame 1 is provided with a control button of the reciprocating motor 212, the reciprocating motor 212 can be turned on and off through the control button, and the output end of the reciprocating motor 212 can be counterclockwise and clockwise reciprocatingly rotated by turning on the reciprocating motor 212.

[0029] The inner wall of the driving ring 206 is slidably connected with a limiting slide rod 213, one end of the limiting slide rod 213 is fixedly connected with the bearing frame 1, and the limiting slide rod 213 can effectively limit the driving ring 206, so that the driving ring 206 is more stable when vertically moving.

[0030] As Figure 1 and Figure 4As shown, the outside of the bearing frame 1 is provided with an adjusting mechanism 3, which comprises a mounting plate 301, the top surface of the mounting plate 301 is rotationally connected with a driving screw 302, the outer surface of the driving screw 302 is threadedly connected with the bearing frame 1, by driving the driving screw 302 to rotate, thereby being able to drive the bearing frame 1 to vertically slide between two limiting plates 303, the top surface of the mounting plate 301 is fixedly connected with the limiting plate 303, the outer surface of the limiting plate 303 is slidingly connected with the bearing frame 1, the inside of the mounting plate 301 is fixedly installed with a driving motor, the output end of the driving motor is fixedly connected with the driving screw 302, the reciprocating motor 212, the hot air equipment body 210 and the driving motor mentioned in the present application are all common electrical equipment in the prior art, and the present application will not make too much redundant description on the model and internal structure thereof, which can also be replaced by other power sources.

[0031] The structures of the components shown in the drawings are exemplary illustrations, and the specific embodiments should be adapted and optimized in terms of functional requirements, assembly conditions and process limitations in actual application scenarios, in terms of structural parameters, size specifications and connection methods.

[0032] Working principle: by starting the reciprocating motor 212, the driving worm 201 can be driven to reciprocate, the driving worm 201 drives the driven worm gear 202 to rotate, the driven worm gear 202 drives the driven arm 204 on the surface of the transmission shaft 203 to rotate around the transmission shaft 203 as the axis, the driven arm 204 drives the swing arm 205 to swing, the swing arm 205 effectively drives the driving ring 206 to reciprocate vertically, the driving ring 206 reciprocates vertically to drive the arc-shaped nozzle 209 on the surface of the supporting slide plate 208 to reciprocate vertically synchronously, the driving worm 201 rotates to drive the L-shaped telescopic plate 207 to reciprocate simultaneously, the L-shaped telescopic plate 207 drives the supporting slide plate 208 to reciprocate in the inner wall of the driving ring 206, the driving ring 206 drives the arc-shaped nozzle 209 which is reciprocating vertically to reciprocate around the driving worm 201 as the axis, thereby being able to adjust the two arc-shaped nozzles 209 in multiple dimensions, effectively enabling the hot air blown by the arc-shaped nozzle 209 to uniformly contact the heat shrink tube on the wire harness, significantly improving the heat shrink quality of the heat shrink tube and guaranteeing the structural reliability of the wire harness packaging, by starting the driving motor in the inside of the mounting plate 301 to drive the driving screw 302 to rotate, thereby being able to drive the bearing frame 1 to vertically slide between the two limiting plates 303 according to the meshing force, effectively adjusting the initial height of the arc-shaped nozzle 209, enabling the device to be installed on one side of the conveying equipment of different sizes, significantly improving the adaptability of the device in use.

[0033] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A heat-shrinking device for heat-shrinking a heat-shrinkable tube, comprising a carrier frame (1), characterized in that: The lower part of the bearing frame (1) is provided with a heat shrink mechanism (2), the heat shrink mechanism (2) comprises a driving worm (201), the outer surface of the driving worm (201) is rotatably connected with the bearing frame (1), the outer surface of the driving worm (201) is meshedly connected with a driven worm wheel (202), the inner wall of the driven worm wheel (202) is fixedly connected with a transmission shaft (203), both ends of the transmission shaft (203) are rotatably connected with the bearing frame (1), the outer surface of the transmission shaft (203) is fixedly connected with a driven arm (204), one end of the driven arm (204) away from the transmission shaft (203) is hingedly connected with an oscillating arm (205), one end of the oscillating arm (205) away from the driven arm (204) is hingedly connected with a driving ring (206), one end of the driving worm (201) is fixedly connected with an L-shaped telescopic plate (207).

2. The heat-shrink-tube heat-shrinking apparatus according to claim 1, characterized by: The inner wall of the driving ring (206) is slidably connected with a supporting sliding plate (208), and the top surface of the supporting sliding plate (208) is fixedly connected with the L-shaped telescopic plate (207).

3. The heat-shrink-tube heat-shrinking apparatus according to claim 2, characterized by: The outer surface of the supporting sliding plate (208) is fixedly connected with an arc-shaped spray pipe (209) and a hot air equipment body (210), the output end of the hot air equipment body (210) is fixedly connected with a connecting pipe (211), and one end of the connecting pipe (211) away from the hot air equipment body (210) is fixedly communicated with the arc-shaped spray pipe (209).

4. The heat-shrink-tube heat-shrinking apparatus according to claim 1, characterized by: The inner wall of the bearing frame (1) is fixedly connected with a reciprocating motor (212), and the output end of the reciprocating motor (212) is fixedly connected with the driving worm (201).

5. The heat-shrink-tube heat-shrinking apparatus according to claim 1, characterized by: The inner wall of the driving ring (206) is slidably connected with a limiting sliding rod (213), and one end of the limiting sliding rod (213) is fixedly connected with the bearing frame (1).

6. The heat-shrink-tube heat-shrinking apparatus according to claim 1, characterized by: The outer part of the bearing frame (1) is provided with an adjusting mechanism (3), the adjusting mechanism (3) comprises a mounting plate (301), the top surface of the mounting plate (301) is rotatably connected with a driving screw (302), and the outer surface of the driving screw (302) is threadedly connected with the bearing frame (1).

7. The heat-shrink-tube heat-shrinking apparatus according to claim 6, characterized by: The top surface of the mounting plate (301) is fixedly connected with a limiting plate (303), and the outer surface of the limiting plate (303) is slidably connected with the bearing frame (1).

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