Crimping blade assembly

Abstract

The utility model relates to the field of wire harness terminal crimping equipment. The crimping blade assembly comprises a first blade, an elastic deviation correction line pressing sheet and a second blade which are sequentially arranged in the thickness direction. A mounting hole for fixing is formed in the first blade; a first through hole is formed in the center of the first blade; the elastic deviation rectifying line pressing piece comprises a frame, a mounting ring is arranged in the center of the frame and fixedly connected with the inner side of the frame through an elastic bending structure, and a positioning groove is formed in the bottom of the frame. A second through hole is formed in the center of the second blade; and the first blade, the elastic deviation rectifying line pressing sheet and the second blade are connected through a connecting piece penetrating through the first penetrating hole, the inner hole of the mounting ring and the second penetrating hole. According to the utility model, the elastic deviation rectification wire pressing sheet is additionally arranged, so that the elastic deviation rectification of the wire is realized in the terminal crimping process, the positioning groove always presses the exposed conductive wire area of the wire, the problem of core wire leakage of the terminal is avoided, and the product yield is improved.

Description

Technical Field

[0001] The utility model relates to the field of wire harness terminal crimping equipment, and specifically relates to a crimping blade. Background Art

[0002] During the processing of wire harnesses, it is necessary to crimp wires to terminals. In the existing crimping blade assembly, there is no elastic deviation correction function. During the crimping process of the wire core and the terminal, there is a situation where the terminal leaks the core wire, that is, the core wire in the wire is not completely wrapped by the terminal during crimping, resulting in the scrapping of the terminal and the wire, which is not conducive to ensuring the crimping yield.

[0003] Currently, there is a lack of a crimping blade assembly that can elastically correct the position of the wire during the crimping process of the terminal. Summary of the Utility Model

[0004] Aiming at the problems existing in the prior art, the utility model provides a crimping blade assembly to solve at least one of the above technical problems.

[0005] The technical solution of the utility model is: a crimping blade assembly, characterized in that it includes a first blade, an elastic deviation correction and wire pressing piece, and a second blade arranged in sequence along the thickness direction;

[0006] An installation hole for fixation is installed on the first blade;

[0007] A first through hole is opened in the center of the first blade, and a first opening groove is opened at the bottom of the first blade;

[0008] The elastic deviation correction and wire pressing piece includes a frame, and an installation ring is arranged in the center of the frame. The installation ring is fixedly connected to the inner side of the frame through an elastic bending structure, and a positioning groove is opened at the bottom of the frame;

[0009] A second through hole is opened in the center of the second blade, and a second opening groove is opened at the bottom of the second blade;

[0010] The longitudinal depth of the positioning groove is less than the longitudinal depth of the first opening groove and less than the longitudinal depth of the second opening groove;

[0011] The first blade, the elastic deviation correction and wire pressing piece, and the second blade are connected by a connecting piece passing through the first through hole, the inner hole of the installation ring, and the second through hole.

[0012] By adding an elastic deviation correction and wire pressing piece, the utility model realizes the elastic deviation correction of the wire during the terminal crimping process. The positioning groove always presses the exposed conductive wire area of the wire, avoiding the problem of terminal core wire leakage and improving the product yield.

[0013] Further preferably, the second perforation is an oblong hole with a vertical length direction;

[0014] The connecting member is a screw, and the head of the screw abuts against the second blade.

[0015] It is convenient to adjust the longitudinal height difference between the first blade and the second blade. It is applicable to the adjustment of the thickness of the insulating layers of different wires.

[0016] Further preferably, the elastic bending structure includes an upper bending portion located above the mounting ring and a lower bending portion located below the mounting ring;

[0017] The upper bending portion includes an extension portion extending from the outside of the mounting ring to the upper left, an arc connecting portion, and a first S-shaped bending portion connected in sequence;

[0018] The lower bending portion includes a second S-shaped bending portion;

[0019] The first S-shaped bending portion is connected to one end of the second S-shaped bending portion through a vertically arranged connecting portion, and the other end of the second S-shaped bending portion is connected to the inner side of the lower right end of the frame.

[0020] Further preferably, the length of the bottom of the frame in the left-right direction decreases from top to bottom.

[0021] Further preferably, the mounting hole is located above the first perforation.

[0022] Further preferably, notches are provided at the left and right ends of the top of the second blade.

[0023] Further preferably, the bottom opening of the positioning groove decreases from bottom to top.

[0024] Further preferably, the first blade is fixed on the base through the mounting hole;

[0025] Threaded holes for threadedly connecting the connecting member are provided on the base.

[0026] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0027] By additionally providing an elastic deviation-correcting pressure piece, the present utility model realizes elastic deviation correction of the wire during the terminal crimping process. The positioning groove always presses the exposed conductive wire area of the wire, avoiding the problem of the terminal leaking the core wire and improving the yield rate of the product. Description of the Drawings

[0028] Figure 1 It is an exploded view of Embodiment 1 of the present utility model;

[0029] Figure 2Schematic diagram of the structure of the first blade in Specific Embodiment 1 of the present utility model;

[0030] Figure 3 Schematic diagram of the structure of the elastic deviation-correcting pressure wire piece in Specific Embodiment 1 of the present utility model;

[0031] Figure 4 Schematic diagram of the structure of the second blade in Specific Embodiment 1 of the present utility model;

[0032] Figure 5 Schematic diagram of a structure in Specific Embodiment 1 of the present utility model.

[0033] In the figure, 1 is the first blade, 2 is the elastic deviation-correcting pressure wire piece, 3 is the second blade, 11 is the mounting hole, 12 is the first through hole, 21 is the mounting ring, 22 is the elastic bending structure, 23 is the frame, and 31 is the second through hole. Specific Embodiment

[0034] Refer to Figures 1 to 5 , Specific Embodiment 1, a crimping blade assembly, including a first blade 1, an elastic deviation-correcting pressure wire piece 2, and a second blade 3 arranged in sequence along the thickness direction; a mounting hole 11 for fixing is installed on the first blade 1; a first through hole 12 is opened in the center of the first blade 1, and a first opening groove is opened at the bottom of the first blade 1; the elastic deviation-correcting pressure wire piece 2 includes a frame 23, a mounting ring 21 is arranged in the center of the frame 23, the mounting ring 21 is fixedly connected to the inner side of the frame 23 through an elastic bending structure 22, and a positioning groove is opened at the bottom of the frame 23; a second through hole 31 is opened in the center of the second blade 3, and a second opening groove is opened at the bottom of the second blade 3; the longitudinal depth of the positioning groove is less than the longitudinal depth of the first opening groove and less than the longitudinal depth of the second opening groove; the first blade 1, the elastic deviation-correcting pressure wire piece 2, and the second blade 3 are connected by a connecting piece passing through the first through hole 12, the inner hole of the mounting ring 21, and the second through hole 31. By adding the elastic deviation-correcting pressure wire piece 2, the present utility model realizes the elastic deviation correction of the wire during the terminal crimping process. The positioning groove always presses the exposed conductive wire area of the wire, avoiding the problem of terminal core wire leakage and improving the yield of the product.

[0035] During the crimping process, the first blade and the second blade crimp the terminal and the wire, and the elastic pressure of the elastic deviation-correcting pressure wire piece acts on the wire area between the first blade and the second blade. During the crimping process, the bottom of the positioning groove of the elastic deviation-correcting pressure wire piece elastically moves within the opening area range of the first opening groove and the second opening groove. In the initial state, the projection of the bottom of the positioning groove of the elastic deviation-correcting pressure wire piece in the front-back direction is located within the opening area of the projection of the first opening groove and the second opening groove in the front-back direction, and the projection of the bottom of the positioning groove of the elastic deviation-correcting pressure wire piece in the front-back direction is lower than the projection of the bottom of the first opening groove and the second opening groove in the front-back direction.

[0036] The second blade 3 is used for crimping the area of the wire with the insulating layer. The second blade 3 is used for crimping the area of the wire where the conductive wire is exposed.

[0037] The second perforation 31 is an oblong hole with the length direction being the vertical direction; the connecting piece is a screw, and the head of the screw abuts against the second blade 3. It is convenient to realize the adjustment of the longitudinal height difference between the first blade 1 and the second blade 3. It is applicable to the adjustment of the thickness of the insulating layers of different wires.

[0038] The elastic bending structure 22 includes an upper bending part located above the mounting ring 21 and a lower bending part located below the mounting ring 21; the upper bending part includes an extension part extending from the outside of the mounting ring to the upper left, an arc connecting part, and a first S-shaped bending part connected in sequence; the lower bending part includes a second S-shaped bending part; one end of the first S-shaped bending part is connected to one end of the second S-shaped bending part through a vertically arranged connecting part, and the other end of the second S-shaped bending part is connected to the inner side of the lower right end of the frame 23. The length of the bottom of the frame 23 in the left-right direction decreases from top to bottom.

[0039] The lengths of the left-right directions of the upper ends of the first blade 1, the elastic deviation-correcting crimping piece 2, and the second blade 3 are the same.

[0040] The mounting hole 11 is located above the first perforation 12.

[0041] Notches are formed at the left and right ends of the top of the second blade 3.

[0042] The bottom opening of the positioning groove decreases from bottom to top.

[0043] The first blade 1 is fixed on the base through the mounting hole 11; threaded holes for connecting the threaded connecting pieces are formed on the base.

[0044] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A crimping blade assembly, characterized in that: It comprises a first blade, an elastic deviation-correcting pressure line sheet and a second blade which are sequentially arranged along the thickness direction; The first blade is provided with a mounting hole for fixing; A first through hole is formed in the center of the first blade, and a first opening slot is formed at the bottom of the first blade; The elastic deviation-correcting pressure wire sheet comprises a frame, a mounting ring is arranged at the center of the frame, the mounting ring is fixedly connected to the inner side of the frame through an elastic bending structure, and a positioning groove is arranged at the bottom of the frame; A second through hole is formed in the center of the second blade, and a second opening groove is formed at the bottom of the second blade; The longitudinal depth of the positioning groove is smaller than the longitudinal depth of the first opening groove, and smaller than the longitudinal depth of the second opening groove; The first blade, the elastic deviation-correcting pressure piece and the second blade are connected via a connecting piece passing through the first through hole, the inner hole of the mounting ring and the second through hole.

2. A crimping blade assembly according to claim 1, characterized in that: The second perforation is a waist-shaped hole with a length direction in a vertical direction; The connecting member is a screw, and the head of the screw abuts against the second blade.

3. The crimping blade assembly according to claim 1, characterized in that: The elastic bending structure includes an upper bending portion located above the mounting ring and a lower bending portion located below the mounting ring; The upper bending portion includes an extension portion, an arc-shaped connecting portion, and a first S-shaped bending portion, which are sequentially connected and extend from the outer side of the mounting ring to the upper left; The lower bending portion includes a second S-shaped bending portion; The first S-shaped bending portion is connected to one end of the second S-shaped bending portion through a vertically arranged connecting portion, and the other end of the second S-shaped bending portion is connected to the inner side of the lower right end of the frame.

4. The crimping blade assembly according to claim 1, characterized in that: The length of the bottom of the frame in the left-right direction decreases from top to bottom.

5. The crimping blade assembly according to claim 1, characterized in that: The mounting hole is located above the first through hole.

6. The crimping blade assembly according to claim 1, characterized in that: Notches are formed at left and right ends of the top of the second blade.

7. The crimping blade assembly according to claim 1, characterized in that: The bottom opening of the positioning groove decreases from bottom to top.

8. The crimping blade assembly according to claim 1, characterized in that: The first blade is fixed on the base through the mounting hole; The base is provided with a threaded hole for threadedly connecting the connecting piece.

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