Expansion tool for automobile wire harness rubber part

Abstract

The utility model discloses an expansion tool for an automobile wire harness rubber part. The expansion tool comprises a mounting rack, a mounting seat is mounted at the bottom end of the mounting frame, an air blowing mechanism is mounted in the middle of the mounting frame, an air inlet is formed in one end of the air blowing mechanism, a conical air outlet is formed in the other end of the air blowing mechanism, a heating pipe is mounted in the middle of the air blowing mechanism, and a fan is mounted at the position, close to the air inlet, of the air blowing mechanism; a traction mechanism is installed at the position, around the blowing mechanism, of the upper end of the installation frame, a traction rod is installed on the upper side of the traction mechanism, and an insertion rod is installed on the upper side of the traction rod. The rubber part is softened through hot air, the traction rod is driven by the traction mechanism to move after the rubber part is softened, the rubber part is expanded by the insertion rod under the driving of the traction rod, the heating pipe is closed after the rubber part is expanded, and the expanded rubber part is fixed through cold air, so that the device is very convenient and rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of expansion of rubber parts, in particular to an expansion tool for automobile wiring harness rubber parts. Background Art

[0002] The automotive wiring harness is the main network of the automotive circuit. Without the wiring harness, there would be no automotive circuit. The wiring harness refers to the contact terminal (connector) made of copper material, which is crimped with the wires and cables, and then plastic-pressed with an insulator or a metal shell, etc., to form a component that connects the circuit. When installing the wiring harness, the rubber parts often need to be expanded.

[0003] Chinese patent number CN217803438U discloses an expansion tool for automotive wiring harness rubber parts, including a processing table, a circular hole is formed through the top surface of the processing table, a number of sliding openings are formed through the top surface of the processing table and located outside the circular hole, the sliding openings are connected to the circular hole, a slider is provided inside the sliding opening, and an arc-shaped limit plate is provided on the upper surface of the slider; a driving mechanism for driving the slider to approach or move away from the circular hole is provided on the bottom surface of the processing table. The prior art directly expands the rubber parts when in use, and the hardness of the rubber parts after shaping is relatively large, and cracking is likely to occur when expanding by pulling force. Utility Model Content

[0004] The utility model aims to provide an expansion tool for automobile wiring harness rubber parts to solve the problems raised in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an expansion tool for automotive wiring harness rubber parts, comprising a mounting frame; a base is installed at the bottom end of the mounting frame, a blower mechanism is installed at the middle position of the mounting frame, the blower mechanism is used to heat and soften the workpiece or fix it by cold air, an air inlet is provided at one end of the blower mechanism, a conical air outlet is installed at the other end of the blower mechanism, a heating pipe is installed at the middle position of the blower mechanism, the heating pipe is used to heat the air, a fan is installed near the air inlet of the blower mechanism, the fan is used to drive the airflow to flow, a traction mechanism is installed at the upper end of the mounting frame around the blower mechanism, a traction rod is installed on the upper side of the traction mechanism, and a plug rod is installed on the upper side of the traction rod.

[0006] Preferably, a rubber pad is provided on the outer side of the insertion rod, and the rubber pad is adhered to the outer side of the insertion rod by adhesive.

[0007] Preferably, the traction mechanism is composed of a rodless cylinder and a slider, the rodless cylinder is mounted on the upper side of the mounting frame, and the slider is slidably mounted on the upper side of the rodless cylinder.

[0008] Preferably, a filter is provided at the air inlet position, and the filter is installed on the upper side of the air inlet.

[0009] Preferably, a heat insulation plate is provided at the inner side of the hair dryer mechanism, and the heat insulation plate is fixed inside the hair dryer mechanism by bolts.

[0010] Preferably, a heat conducting plate is provided at the upper end of the heating tube, and the heat conducting plate is welded to the upper side of the heating tube.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. Soften the rubber parts with hot air, and then move the traction rod through the traction mechanism. The plug rod will expand the rubber parts under the drive of the traction rod. After expansion, turn off the heating tube and fix the expanded rubber parts with cold air, which is very convenient and quick.

[0013] 2. The filter can filter the incoming air to prevent dust from entering and adhering to the upper side of the heating tube, which will affect the heating effect of the heating tube on the air;

[0014] 3. The setting of the heat insulation board can increase the heat insulation effect of the hair dryer mechanism and reduce heat loss;

[0015] 4. The setting of the heat conduction plate can increase the contact area between the heat source and the air, and improve the heating effect on the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the hair dryer mechanism of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the traction mechanism of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the traction rod of the utility model.

[0021] In the figure: 1. mounting frame; 2. blower mechanism; 3. traction mechanism; 4. base; 5. conical air outlet; 6. heating tube; 7. heat conduction plate; 8. fan; 9. air inlet; 10. filter screen; 11. heat insulation board; 12. rodless cylinder; 13. slider; 14. traction rod; 15. plug rod; 16. rubber pad. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 In an embodiment of the utility model, an expansion tool for a rubber part of an automobile wiring harness comprises a mounting frame 1; a base 4 is installed at the bottom end of the mounting frame 1, a blower mechanism 2 is installed at the middle position of the mounting frame 1, the blower mechanism 2 is used to heat and soften the workpiece or fix it by cold air, an air inlet 9 is arranged at one end of the blower mechanism 2, a conical air outlet 5 is installed at the other end of the blower mechanism 2, a heating pipe 6 is installed at the middle position of the blower mechanism 2, the heating pipe 6 is used to heat the air, a fan 8 is installed near the air inlet 9 of the blower mechanism 2, the fan 8 is used to drive the air flow, a traction mechanism 3 is installed at the upper end of the mounting frame 1 around the blower mechanism 2, a traction rod 14 is installed on the upper side of the traction mechanism 3, and a plug 15 is installed on the upper side of the traction rod 14.

[0024] Furthermore, a rubber pad 16 is provided on the outside of the insertion rod 15, and the rubber pad 16 is adhered to the outside of the insertion rod 15 by adhesive. The provision of the rubber pad 16 can reduce the pulling force of the insertion rod 15 on the rubber part, thereby avoiding the tearing of the rubber part.

[0025] Furthermore, the traction mechanism 3 is composed of a rodless cylinder 12 and a slider 13. The rodless cylinder 12 is installed on the upper side of the mounting frame 1, and the slider 13 is slidably installed on the upper side of the rodless cylinder 12. When the traction mechanism 3 is in use, the slider 13 is driven by the rodless cylinder 12 to move, thereby driving the traction rod 14 to move.

[0026] Furthermore, a filter 10 is provided at the air inlet 9 and installed on the upper side of the air inlet 9. The filter 10 can filter the incoming air to prevent dust from entering and adhering to the upper side of the heating tube 6, thereby affecting the heating effect of the heating tube 6 on the air.

[0027] Furthermore, a heat insulation board 11 is provided inside the hair dryer mechanism 2 and is fixed inside the hair dryer mechanism 2 by bolts. The provision of the heat insulation board 11 can increase the heat insulation effect of the hair dryer mechanism 2 and reduce heat loss.

[0028] Furthermore, a heat conducting plate 7 is provided at the upper end of the heating tube 6, and the heat conducting plate 7 is welded to the upper side of the heating tube 6. The provision of the heat conducting plate 7 can increase the contact area between the heat source and the air, thereby improving the heating effect on the air.

[0029] The working principle and use process of the utility model are as follows: when in use, the rubber piece is sleeved on the upper side of the conical air outlet, and the insertion rod 15 is inserted into the inside of the rubber piece. The heating tube 6 and the fan 8 are turned on by the switch, and the fan 8 will drive the air flow to flow. The flowing air flow is guided to the inside of the rubber piece through the conical air outlet 5, and the rubber piece is softened by the hot air. After softening, the traction rod 14 is driven to move by the traction mechanism 3. The insertion rod 15 will expand the rubber piece under the drive of the traction rod 14. After the expansion, the heating tube 6 is closed, and the expanded rubber piece is fixed by cold air. It is very convenient and quick.

[0030] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An expansion tool for a rubber component of an automobile wiring harness, comprising a mounting frame (1); characterized in that: A base (4) is installed at the bottom end of the mounting frame (1); a blower mechanism (2) is installed in the middle of the mounting frame (1); the blower mechanism (2) is used to heat and soften the workpiece or fix it by cold air; an air inlet (9) is provided at one end of the blower mechanism (2); a conical air outlet (5) is installed at the other end of the blower mechanism (2); a heating tube (6) is installed in the middle of the blower mechanism (2); the heating tube (6) is used to heat the air; a fan (8) is installed near the air inlet (9) of the blower mechanism (2); the fan (8) is used to drive the air flow; a traction mechanism (3) is installed at the upper end of the mounting frame (1) at a position around the blower mechanism (2); a traction rod (14) is installed on the upper side of the traction mechanism (3); and a plug rod (15) is installed on the upper side of the traction rod (14).

2. The expansion tool for automobile wiring harness rubber parts according to claim 1, characterized in that: A rubber pad (16) is provided on the outside of the insertion rod (15), and the rubber pad (16) is adhered to the outside of the insertion rod (15) by adhesive.

3. The expansion tool for automobile wiring harness rubber parts according to claim 1, characterized in that: The traction mechanism (3) is composed of a rodless cylinder (12) and a slider (13); the rodless cylinder (12) is mounted on the upper side of the mounting frame (1); and the slider (13) is slidably mounted on the upper side of the rodless cylinder (12).

4. The expansion tool for automobile wiring harness rubber parts according to claim 1, characterized in that: A filter screen (10) is provided at the air inlet (9), and the filter screen (10) is installed on the upper side of the air inlet (9).

5. The expansion tool for automobile wiring harness rubber parts according to claim 1, characterized in that: A heat insulation board (11) is arranged inside the hair dryer mechanism (2), and the heat insulation board (11) is fixed inside the hair dryer mechanism (2) by means of bolts.

6. The expansion tool for automobile wiring harness rubber parts according to claim 1, characterized in that: A heat conducting plate (7) is provided at the upper end of the heating tube (6), and the heat conducting plate (7) is welded to the upper side of the heating tube (6).

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