Wire harness terminal crimping mechanism

Abstract

The utility model relates to the technical field of crimping tools, in particular to a wire harness terminal crimping mechanism, which comprises a base, a driving unit and a crimping unit, the base is provided with a mounting rack and at least two guide rods, and a movable space is formed between the tops of the two guide rods and the top of the mounting rack; the crimping unit comprises a supporting block and a pressing block, the supporting block and the pressing block are in sliding connection with the two guide rods, elastic pieces are arranged on the two guide rods and located between the supporting block and the pressing block, and a groove and a convex strip are arranged on the sides, close to each other, of the supporting block and the pressing block respectively; the driving unit is arranged on the installation frame, the movable end of the driving unit can move into the movable space and abut against the pressing block, and when the crimping terminal is arranged in the groove, the driving unit drives the pressing block to move relative to the supporting block so that the protruding strip can extrude the crimping terminal. The problem that when an existing crimping mechanism extrudes a crimping terminal, the crimping terminal is prone to being damaged when the pressure is too large is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of crimping tools, in particular to a wire harness terminal crimping mechanism. Background Art

[0002] Wire harnesses are used to connect input and output terminals for electrical or signal transmission and are widely used in various types of live devices and equipment. In order to facilitate connection, terminals are usually provided at the ends of the wire harnesses. During the processing of the wire harnesses, the terminals need to be crimped at the ends of the wire harnesses.

[0003] In the patent document with the existing patent application number 202120804935.0, a crimping machine for wire harness terminal processing is disclosed, and specifically discloses that a fixed plate is fixedly installed on the right side of the top of the support platform, and a servo motor is fixedly installed on the right side of the fixed plate, a driving screw is fixedly installed on the output shaft of the servo motor, and the external thread of the driving screw is sleeved with a lower sliding block located on the top of the support platform, a clamping frame is fixedly installed on the top of the support platform, and a hydraulic rod is fixedly installed on the inner side of the upper surface of the clamping frame, an upper forming block is fixedly installed on the bottom end of the hydraulic rod, and a forming groove that cooperates with the upper forming block is opened on the top of the lower sliding block; through the above scheme, the forming block is driven by the hydraulic rod to extrude the terminal, and excessive pressure on the forming block can easily cause damage to the terminal joint due to excessive pressure, thereby affecting the crimping quality of the terminal and the wire harness. Utility Model Content

[0004] The utility model aims to overcome the above technical deficiencies and provide a wire harness terminal crimping mechanism to solve the problem that when the existing crimping mechanism squeezes the crimping terminal, the crimping terminal is easily damaged when the pressure is too large.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a wire harness terminal crimping mechanism, comprising a base, a driving unit and a crimping unit, wherein a mounting frame and at least two guide rods are arranged on the base, and an activity space is formed between the tops of the two guide rods and the tops of the mounting frame;

[0007] The crimping unit comprises a support block and a pressure block, the support block and the pressure block are slidably connected with the two guide rods, and elastic members are arranged between the support block and the pressure block on the two guide rods, and a groove and a convex strip are respectively arranged on the side of the support block close to the pressure block;

[0008] The driving unit is arranged on the mounting frame, and the movable end of the driving unit can be moved into the movable space and abut against the pressing block. When the crimping terminal is arranged in the groove, the driving unit drives the pressing block to move relative to the supporting block so that the convex strip can squeeze the crimping terminal.

[0009] In some embodiments, a cushion block is connected to the movable end of the driving unit, and the cushion block can abut against the pressing block.

[0010] In some embodiments, the crimping terminal includes a crimping tube and an L-shaped connecting piece connected to one end of the crimping tube, and the crimping tube is placed in the groove.

[0011] In some embodiments, it further includes a fixing unit disposed on the base, and the fixing unit is used to press the L-shaped connecting piece against one side of the supporting block.

[0012] In some embodiments, a reinforcing joint is also included, which includes a first sleeve and a second sleeve connected to the first sleeve, the first sleeve is connected to the other end of the pressure tube, and the second sleeve is connected to the wiring harness passing through the pressure tube.

[0013] In some embodiments, the interior of the first sleeve and the second sleeve is coated with an adhesive layer.

[0014] In some embodiments, the length of the convex strip is the same as the length of the concave groove.

[0015] In some embodiments, the fixing unit is a telescopic quick fixing clamp.

[0016] In some embodiments, the support block and the pressing block are both made of copper blocks, iron blocks or alloy blocks.

[0017] In some embodiments, the driving unit is an electric push rod, a pneumatic cylinder or a hydraulic cylinder.

[0018] Compared with the prior art, the utility model provides a wiring harness terminal crimping mechanism, which is slidably connected to two guide rods through a support block and a pressure block, and elastic parts are arranged on the two guide rods between the support block and the pressure block, and grooves and convex strips are respectively arranged on the side of the support block close to the pressure block, and a driving unit is arranged on the mounting frame, and the movable end of the driving unit can be moved into the movable space and abut against the pressure block. When the crimping terminal is arranged in the groove, the driving unit drives the pressure block to move relative to the support block to provide the convex strip to extrude the crimping terminal. The structure is simple, and the crimping terminal is limited by the groove, which can prevent the crimping terminal from rolling and shifting, so that the crimping terminal extrusion position is accurate, and the stability of the crimping terminal extrusion process is improved. At the same time, the elastic part provides resistance, which effectively avoids the situation where the crimping terminal is damaged by excessive pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a wire harness terminal crimping mechanism provided by the utility model;

[0020] Figure 2It is a side view of a wire harness terminal crimping mechanism of the utility model;

[0021] Figure 3 This is a front view of a wire harness terminal crimping mechanism of the utility model;

[0022] Figure 4 It is a connection schematic diagram of the wire harness and the crimping terminal of the utility model. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] See also Figures 1 to 4 The utility model provides a wire harness terminal crimping mechanism. The crimping mechanism can limit the crimping terminal to prevent the crimping terminal from rolling during the extrusion process, and at the same time, can prevent the crimping terminal from being damaged by excessive pressure.

[0025] In this specific embodiment, a wire harness terminal crimping mechanism includes a base 1, a crimping unit 2 and a driving unit 3, wherein the base 1 is provided with a mounting frame 11 and at least two guide rods 12, and an activity space 10 is formed between the tops of the two guide rods 12 and the tops of the mounting frame 11; the crimping unit 2 includes a support block 21 and a pressing block 22, wherein the support block 21 and the pressing block 22 can be slidably connected to the two guide rods 12 via the activity space 10, and the two guide rods 12 are located on the support block 21. An elastic member 23 is arranged between the support block 21 and the pressing block 22, and a groove 211 and a convex strip 221 are respectively arranged on the side of the support block 21 close to the pressing block 22; the driving unit 3 is arranged on the mounting frame 11, and the movable end of the driving unit 3 can be moved into the movable space 10 and abut against the pressing block 22. When the crimping terminal A is arranged in the groove 211, the driving unit 3 drives the pressing block 22 to move relative to the support block 21, so that the convex strip 221 squeezes the crimping terminal A.

[0026] During actual use, one end of the wiring harness is passed through the crimping terminal A, and the crimping terminal A is placed in the groove 211. At this time, the driving unit 3 drives the pressing block 22 to move relative to the supporting block 21, and the convex strip 221 can squeeze the crimping terminal A, causing the crimping terminal A to deform and fix the wiring harness and the crimping terminal A.

[0027] In one embodiment, a set of crimping mechanisms can be configured with multiple groups of support blocks 21 and pressing blocks 22, and the sizes of the grooves 211 and the convex strips 221 of each group of support blocks 21 and pressing blocks 22 are different. In order to be able to wire crimping terminals of different models and sizes, the support blocks 21 and the pressing blocks 22 need to be replaced according to the sizes of the crimping terminals; that is, the support blocks 21 and the pressing blocks 22 are slid upward along the guide rods 12 into the active space 10, so that the support blocks 21 and the pressing blocks 22 can be separated from the two guide rods 12, and the operation is simple.

[0028] In this specific embodiment, the mounting frame 11 includes two side plates fixedly connected to the base 1 and a transverse plate connected between the two side plates, and the drive unit 3 is fixedly connected to the transverse plate. The movable end of the drive unit 3 is connected to a cushion block 31, and the cushion block 31 can abut against the pressure block 22.

[0029] In one embodiment, the driving unit 3 is an electric push rod, and in other embodiments, the driving unit 3 can also be a pneumatic cylinder or a hydraulic cylinder. The cushion block 31 is made of elastic rubber material.

[0030] In this specific embodiment, the crimping terminal A includes a crimping tube A1 and an L-shaped connecting piece A2 connected to one end of the crimping tube A1. The crimping tube A1 is placed in the groove 211, and the wiring harness can be passed through the crimping tube A1.

[0031] On the basis of the above scheme, in order to further improve the accuracy of the extrusion position, specifically, it further includes a fixing unit 4 arranged on the base 1, and the fixing unit 4 is used to press the L-shaped connecting piece A2 against one side of the support block 21.

[0032] It should be noted that the fixing unit 4 is not limited to a specific structure. In one embodiment, the fixing unit 4 is a telescopic quick fixing clamp.

[0033] On the basis of the above scheme, in order to further improve the connection strength between the wire harness and the crimping terminal, specifically, a reinforcing joint 5 is further included, the reinforcing joint 5 includes a first sleeve 51, and a second sleeve 52 connected to the first sleeve 51, the first sleeve 51 is connected to the other end of the crimping tube A1, and the second sleeve 52 is connected to the wire harness passing through the crimping tube A1. In one embodiment, the first sleeve 51 and the second sleeve 52 are coated with an adhesive layer.

[0034] In this specific embodiment, the length of the convex strip 221 is the same as the length of the groove 211. The convex strip 221 is integrally formed with the pressing block 22, and the convex strip 221 is arranged in a conical shape. The support block 21 and the pressing block 22 are both made of copper blocks. Of course, in other embodiments, the support block 21 and the pressing block 22 can also be made of iron blocks or alloy blocks.

[0035] The beneficial effects are:

[0036] Compared with the prior art, the utility model provides a wiring harness terminal crimping mechanism, which is slidably connected to two guide rods through a support block and a pressure block, and elastic parts are arranged on the two guide rods between the support block and the pressure block, and grooves and convex strips are respectively arranged on the side of the support block close to the pressure block, and a driving unit is arranged on the mounting frame, and the movable end of the driving unit can be moved into the movable space and abut against the pressure block. When the crimping terminal is arranged in the groove, the driving unit drives the pressure block to move relative to the support block to provide the convex strip to extrude the crimping terminal. The structure is simple, and the crimping terminal is limited by the groove, which can prevent the crimping terminal from rolling and shifting, so that the crimping terminal extrusion position is accurate, and the stability of the crimping terminal extrusion process is improved. At the same time, the elastic part provides resistance, which effectively avoids the situation where the crimping terminal is damaged by excessive pressure.

[0037] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A wire harness terminal crimping mechanism, comprising a base, a driving unit and a crimping unit, wherein the base is provided with a mounting frame and at least two guide rods, and a movable space is formed between the tops of the two guide rods and the top of the mounting frame; characterized in that: The crimping unit comprises a support block and a pressure block, the support block and the pressure block are slidably connected with the two guide rods, and elastic members are arranged between the support block and the pressure block on the two guide rods, and a groove and a convex strip are respectively arranged on the side of the support block close to the pressure block; The driving unit is arranged on the mounting frame, and the movable end of the driving unit can be moved into the movable space and abut against the pressing block. When the crimping terminal is arranged in the groove, the driving unit drives the pressing block to move relative to the supporting block so that the convex strip can squeeze the crimping terminal.

2. A wire harness terminal crimping mechanism according to claim 1, characterized in that: The movable end of the driving unit is connected with a cushion block, and the cushion block can abut against the pressing block.

3. A wire harness terminal crimping mechanism according to claim 1, characterized in that: The crimping terminal comprises a crimping tube and an L-shaped connecting piece connected to one end of the crimping tube, and the crimping tube is placed in the groove.

4. A wire harness terminal crimping mechanism according to claim 3, characterized in that: It also includes a fixing unit arranged on the base, and the fixing unit is used to press the L-shaped connecting piece against one side of the supporting block.

5. A wire harness terminal crimping mechanism according to claim 3, characterized in that: It also includes a reinforcing joint, which includes a first sleeve and a second sleeve connected to the first sleeve, the first sleeve is connected to the other end of the pressure tube, and the second sleeve is connected to a wiring harness passing through the pressure tube.

6. A wire harness terminal crimping mechanism according to claim 5, characterized in that: The interiors of the first sleeve and the second sleeve are coated with an adhesive layer.

7. A wire harness terminal crimping mechanism according to claim 1, characterized in that: The length of the convex strip is the same as the length of the concave groove.

8. A wire harness terminal crimping mechanism according to claim 4, characterized in that: The fixing unit is a telescopic quick fixing clamp.

9. A wire harness terminal crimping mechanism according to claim 1, characterized in that: The support block and the pressing block are both made of copper blocks, iron blocks or alloy blocks.

10. A wire harness terminal crimping mechanism according to claim 1, characterized in that: The driving unit is an electric push rod, a pneumatic cylinder or a hydraulic cylinder.

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