Heat shrink tube expansion equipment

Abstract

The utility model discloses a heat shrink tube expansion device which comprises an expansion assembly, two connecting assemblies and a driving assembly, and the expansion assembly comprises a first expansion part and a second expansion part; the connecting assembly comprises a first connecting seat and a second connecting seat, the first connecting seat is installed on the first expansion part, the second connecting seat is installed on the second expansion part, and the first connecting seat is hinged to the second connecting seat; the driving assembly comprises a driving part, a first transmission shaft, a first driving wheel and a first driven wheel, the first driving wheel is connected with the movable end of the driving part, the first driven wheel is installed on the first transmission shaft, the first transmission shaft is connected with the first connecting base, and the first connecting base is connected with the second transmission shaft; and the first driving wheel is meshed with the first driven wheel. The diameter of the heat shrink tube can be well expanded, and the efficiency is high.

Description

Technical Field

[0001] The utility model relates to a heat shrinkable tube expanding device, belonging to the technical field of heat shrinkable tube devices. Background Art

[0002] A heat shrinkable tube is an insulating, protective and sealing material widely used in the fields of electronics, electrics, communication, automobiles, etc. In conventional electronic operation experiments, when it is necessary to use a heat shrinkable tube to protect a circuit, it is necessary to find a heat shrinkable tube with a diameter larger than that of the circuit for operation, and it is often a waste of time to find a suitable heat shrinkable tube. After retrieval, it is found that the Chinese patent with the publication number of CN220242388U discloses a heat shrinkable tube expander device. In this patent, the heat shrinkable tube is placed between a fixed expansion rod and a movable expansion rod, so that the heat shrinkable tube completely wraps the fixed expansion rod and the movable expansion rod. By manually rotating the driving device to drive the lifting mechanism, the movable expansion rod is driven to move away from the fixed expansion rod, so as to change the diameter of the heat shrinkable tube. This patent is manually operated and has a slow efficiency. Summary of the Invention

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a heat shrinkable tube expanding device which can well expand the diameter of the heat shrinkable tube and has a high efficiency.

[0004] To solve the above technical problem, the technical solution of the utility model is: a heat shrinkable tube expanding device, comprising:

[0005] An expansion assembly, the expansion assembly includes a first expansion part and a second expansion part;

[0006] Two connection assemblies, the connection assembly includes a first connection seat and a second connection seat, the first connection seat is installed on the first expansion part, the second connection seat is installed on the second expansion part, and the first connection seat is hinged to the second connection seat;

[0007] A driving assembly, the driving assembly includes a driving member, a first transmission shaft, a first driving wheel and a first driven wheel, the first driving wheel is connected to the movable end of the driving member, the first driven wheel is installed on the first transmission shaft, the first transmission shaft is connected to the first connection seat, and the first driving wheel is meshed with the first driven wheel.

[0008] Further, in order to improve the efficiency, the driving assembly further includes a second transmission shaft, a second driving wheel and a second driven wheel, the second transmission shaft is connected to the second connection seat, the second driving wheel is installed on the first transmission shaft, the second driven wheel is installed on the second transmission shaft, and the second driving wheel is meshed with the second driven wheel;

[0009] The driving member is adapted to drive the first driven wheel and the second driven wheel to rotate so as to drive the first expansion part and the second expansion part to approach or move away from each other.

[0010] Furthermore, in order to prevent damage to the driving assembly, the heat shrink tube expansion device further includes a driving box, a working cavity is provided in the driving box, and the driving assembly is arranged in the working cavity.

[0011] Furthermore, in order to ensure the stability of transmission, a fixing seat adapted to fix the driving member is further provided in the working cavity.

[0012] Furthermore, in order to better enter the heat shrink tube, the first expansion part and the second expansion part are of semi-cylindrical structures.

[0013] Furthermore, a squeezing head adapted to enter the heat shrink tube is provided at the front end of the semi-cylinder.

[0014] Furthermore, in order to maintain the size of the heat shrink tube expansion, heating tubes are provided on the inner surfaces of the first expansion part and the second expansion part.

[0015] Furthermore, in order to facilitate operation, a holding part for easy gripping is provided on the driving box.

[0016] After adopting the above technical solution, the utility model has the following beneficial effects:

[0017] In the utility model, the device is squeezed into the heat shrink tube through the squeezing head, so that the heat shrink tube is sleeved on the first expansion part and the second expansion part of the expansion assembly. The expansion components are driven by the driving assembly to move away from each other, so that the heat shrink tube can be evenly expanded. When the heat shrink tube expands to a suitable diameter, the driving assembly is stopped, and the heat shrink tube is kept in an expanded state. The surfaces of the first expansion part and the second expansion part are heated by the heating tubes to heat and shape the heat shrink tube, and the device can be removed after cooling. Description of the Drawings

[0018] Figure 1 is a perspective view of the heat shrink tube expansion device of the utility model;

[0019] Figure 2 is a front view of the heat shrink tube expansion device of the utility model;

[0020] Figure 3 is a top view of the heat shrink tube expansion device of the utility model;

[0021] Figure 4 is a schematic structural view of the driving assembly of the utility model. Detailed Embodiments

[0022] To make the content of the present utility model easier to be clearly understood, the following further describes the present utility model in detail according to specific embodiments and in conjunction with the accompanying drawings.

[0023] As Figures 1-4 shown, a heat shrinkable tube expansion device includes:

[0024] An expansion assembly, which includes a first expansion part 11 and a second expansion part 12;

[0025] Two connection assemblies, the connection assembly includes a first connection seat 21 and a second connection seat 22. The first connection seat 21 is installed on the first expansion part 11, the second connection seat 22 is installed on the second expansion part 12, and the first connection seat 21 is hinged to the second connection seat 22;

[0026] A driving assembly, the driving assembly includes a driving member 31, a first transmission shaft 32, a first driving wheel 33 and a first driven wheel 34. The first driving wheel 33 is connected to the movable end of the driving member 31, the first driven wheel 34 is installed on the first transmission shaft 32, the first transmission shaft 32 is connected to the first connection seat 21, and the first driving wheel 33 is meshed with the first driven wheel 34.

[0027] In this embodiment, the driving member 31 can be a driving motor or other structures. The first driving wheel 33 and the first driven wheel 34 are bevel gears.

[0028] Specifically, as Figure 4 shown, the driving assembly further includes a second transmission shaft 35, a second driving wheel 36 and a second driven wheel 37. The second transmission shaft 35 is connected to the second connection seat 22, the second driving wheel 36 is installed on the first transmission shaft 32, the second driven wheel 37 is installed on the second transmission shaft 35, and the second driving wheel 36 is meshed with the second driven wheel 37;

[0029] The driving member 31 is adapted to drive the first driven wheel 34 and the second driven wheel 37 to rotate so as to drive the first expansion part 11 and the second expansion part 12 to approach or move away from each other.

[0030] In this embodiment, the second driving wheel 36 and the second driven wheel 37 are cylindrical gears. The driving member 31 drives the first transmission shaft 32 to rotate clockwise, driving the first driving wheel 33 to rotate clockwise. Since the first driving wheel 33 is meshed with the first driven wheel 34, the first driven wheel 34 rotates counterclockwise;

[0031] The first driven wheel 34 is installed on the second transmission shaft 35, and the second driving wheel 36 is also installed on the second transmission shaft 35. Therefore, the second driving wheel 36 also rotates counterclockwise. Since the second driving wheel 36 is meshed with the second driven wheel 37, the second driven wheel 37 rotates clockwise.

[0032] Specifically, asFigures 1-3 As shown in the figure, the heat shrinkable tube expansion device further includes a driving box 4. A working chamber 41 is provided in the driving box 4, and the driving assembly is arranged in the working chamber 41.

[0033] In this embodiment, one side of the driving box 4 facing the hinge joint of the first connecting seat 21 and the second connecting seat 22 is communicated with the working chamber 41, and an avoidance opening for avoiding the second driven wheel 34 is further provided on the driving box 4.

[0034] Specifically, as Figure 2 shown in the figure, a fixing seat 42 suitable for fixing the driving member 31 is further provided in the working chamber 41.

[0035] Specifically, as Figures 1-4 shown in the figure, the first expansion part 11 and the second expansion part 12 are semi-cylindrical structures.

[0036] Specifically, as Figures 1-4 shown in the figure, a squeezing head 5 suitable for entering the heat shrinkable tube is provided at the front end of the semi-cylinder.

[0037] Specifically, heating tubes are provided on the inner surfaces of the first expansion part 11 and the second expansion part 12.

[0038] Specifically, as Figures 1-4 shown in the figure, a holding part 6 for easy holding is provided on the driving box 4.

[0039] In this embodiment, the device is squeezed into the heat shrinkable tube through the squeezing head 5, so that the heat shrinkable tube is sleeved on the first expansion part 11 and the second expansion part 12 of the expansion assembly. The expansion components are driven by the driving assembly to move away from each other, so that the heat shrinkable tube can be evenly expanded. When the heat shrinkable tube expands to an appropriate diameter, the driving assembly is stopped, and the heat shrinkable tube is kept in an expanded state. The surfaces of the first expansion part 11 and the second expansion part 12 are heated by the heating tubes to heat and shape the heat shrinkable tube. After cooling, the device can be removed, and the reaming of the heat shrinkable tube can be completed.

[0040] In the above specific embodiments, the technical problems solved, the technical solutions and the beneficial effects of the present invention are further described in detail. It should be understood that the above are only specific embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A heat shrink tube expansion device, characterized in that: include: An expansion assembly, the expansion assembly comprising a first expansion portion (11) and a second expansion portion (12); Two connecting assemblies, the connecting assemblies comprising a first connecting seat (21) and a second connecting seat (22), the first connecting seat (21) being mounted on the first expansion portion (11), the second connecting seat (22) being mounted on the second expansion portion (12), the first connecting seat (21) being hinged to the second connecting seat (22); A driving assembly, comprising a driving member (31), a first transmission shaft (32), a first driving wheel (33) and a first driven wheel (34), wherein the first driving wheel (33) is connected to the movable end of the driving member (31), the first driven wheel (34) is mounted on the first transmission shaft (32), the first transmission shaft (32) is connected to the first connecting seat (21), and the first driving wheel (33) is meshed with the first driven wheel (34).

2. The heat shrink tube expansion device according to claim 1, characterized in that: The driving assembly further comprises a second transmission shaft (35), a second driving wheel (36) and a second driven wheel (37), wherein the second transmission shaft (35) is connected to the second connecting seat (22), the second driving wheel (36) is mounted on the first transmission shaft (32), the second driven wheel (37) is mounted on the second transmission shaft (35), and the second driving wheel (36) is meshed with the second driven wheel (37); The driving member (31) is suitable for driving the first driven wheel (34) and the second driven wheel (37) to rotate so as to drive the first expansion portion (11) and the second expansion portion (12) to move closer to or farther away from each other.

3. The heat shrink tube expansion device according to claim 1, characterized in that: It also comprises a driving box (4), wherein a working chamber (41) is provided in the driving box (4), and the driving assembly is arranged in the working chamber (41).

4. The heat shrink tube expansion device according to claim 3, characterized in that: A fixing seat (42) suitable for fixing the driving member (31) is also provided in the working chamber (41).

5. The heat shrink tube expansion device according to claim 1, characterized in that: The first expansion portion (11) and the second expansion portion (12) are semi-cylindrical structures.

6. The heat shrink tube expansion device according to claim 5, characterized in that: The front end of the semi-cylinder is provided with an extrusion head (5) suitable for entering the heat shrink tube.

7. The heat shrink tube expansion device according to claim 1, characterized in that: Heating tubes are provided on the inner surfaces of the first expansion portion (11) and the second expansion portion (12).

8. The heat shrink tube expansion device according to claim 3, characterized in that: The drive box (4) is provided with a gripping portion (6) that is easy to grip.

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