Blade set mechanism for terminal crimping

Abstract

The utility model provides a kind of knife group mechanism for terminal crimping: including the installation substrate being connected with driving mechanism, the cutter head being connected on installation substrate, and the cutter seat being arranged just below cutter head;Elastic push-out component is connected on installation substrate, and elastic push-out component includes push block and elastic member, push block is connected on installation substrate, and can slide up and down along the height direction of installation substrate, one end of elastic member is connected with installation substrate, the other end is connected with push block, for forcing push block to press down;When driving installation substrate to press down, cutter head cooperates with cutter seat, and terminal is crimped, in this process, push block contacts terminal and is pushed up, and is moved up after overcoming the rebound of elastic member;After terminal crimping is completed, driving mechanism drives installation substrate to reset, in this process, push block loses upward thrust, and press down under the action of elastic force of elastic member, automatically push terminal out from the cutter groove of cutter head, avoid terminal to be stuck on cutter head, to improve terminal crimping efficiency.

Description

Technical Field

[0001] This utility model relates to the field of terminal crimping technology, specifically to a knife assembly mechanism for terminal crimping. Background Technology

[0002] Terminals are accessories used to achieve electrical connections, and terminal crimping is a common method of electrical connection. Terminal crimping is achieved by the drive mechanism of a terminal crimping machine driving the cutter head (upper die) to press down, and under the cooperation of the cutter holder (lower die), the terminal and the wire are tightly connected together.

[0003] In existing terminal crimping machines, the cutter head has a cutter groove, and the cutter holder has a protrusion that matches the cutter groove. Terminal crimping can only be completed through the cooperation of the cutter groove and the protrusion. In actual production and processing, in order to ensure the tightness of terminal crimping, the pressure of the drive mechanism is relatively large. Therefore, after crimping, the terminal is prone to getting stuck in the cutter groove. At this time, workers need to handle it manually, which is not only troublesome and time-consuming, but also seriously affects the crimping efficiency of the terminal. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide a tool assembly mechanism that can automatically push the terminal out of the tool groove of the tool head after the terminal crimping is completed, so as to avoid the terminal getting stuck on the tool head.

[0005] The technical solution of this utility model is to provide a knife assembly mechanism for terminal crimping with the following structure: It includes a mounting base connected to a drive mechanism, a cutting head connected to the mounting base, and a cutting head seat disposed directly below the cutting head; an elastic ejection component is connected to the mounting base, the elastic ejection component being used to apply a downward pushing force to the terminal when the cutting head completes terminal crimping and resets, causing it to disengage from the cutting head groove.

[0006] Preferably, the elastic ejection assembly includes a push block and an elastic element. The push block is connected to the mounting base plate and can slide up and down along the height direction of the mounting base plate. One end of the elastic element is connected to the mounting base plate and the other end is connected to the push block to force the push block down.

[0007] Preferably, the elastic ejection assembly further includes a cover plate, which is fixedly connected to the front end of the mounting base plate; the cover plate is provided with a through groove that runs horizontally through its two side walls, the push block and the elastic element are disposed in the through groove from bottom to top, and one end of the elastic element is connected to the push block and the other end is connected to the inner top wall of the through groove; a through hole is provided on the inner bottom wall of the through groove, and the lower end of the push block extends downward and passes through the through hole.

[0008] Preferably, the upper ends of the two side walls of the push block extend horizontally to the outside of the through groove and are connected to a downwardly extending top block. The top block is arranged parallel to the push block, and when the drive mechanism presses down, the top block abuts against the two ends of the tool holder.

[0009] Preferably, the lower end face of the pusher block is provided with an arc-shaped surface.

[0010] Preferably, the top of the push block is provided with two symmetrically distributed slots, and there are two elastic elements, which correspond one-to-one with the slots. The lower end of the elastic element is engaged in the corresponding slot.

[0011] Preferably, a cutting plate is connected to the mounting base plate behind the cutter head, and the cutting plate has a groove height lower than that of the cutter head, for cutting off the terminals on the terminal chain.

[0012] After adopting the above structure, the knife assembly mechanism for terminal crimping in this utility model has the following advantages compared with the prior art: 1. When the drive mechanism of this utility model drives the mounting plate to press down, the cutter head and the cutter holder cooperate to crimp the terminal. During this process, the push block contacts the terminal and is pushed upward, moving upward after overcoming the elastic force of the elastic element. After the terminal crimping is completed, the drive mechanism drives the mounting plate to reset. During this process, the push block loses its upward pushing force and is pressed down under the elastic force of the elastic element, automatically pushing the terminal out of the cutter head's groove, avoiding the terminal from getting stuck on the cutter head, thereby improving the terminal crimping efficiency.

[0013] 2. When the mounting substrate is pressed down, the top blocks on both sides of the push block abut against the two ends of the knife holder, thereby applying an upward pushing force to the push block and compressing the elastic element. This can prevent the push block from squeezing the terminal during the pressing process, causing the terminal crimping failure, and thus avoiding the production of defective products.

[0014] 3. The arc-shaped surface of the lower end of the push block facilitates terminal insertion and allows for a more stable downward pushing force to be applied to the terminal. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 This is a half-sectional view of the present invention.

[0017] Figure 3 This is a partial sectional view of the present invention.

[0018] Figure 4 This is a schematic diagram of the top block in this utility model.

[0019] Explanation of reference numerals in the attached figures: 1. Mounting base plate, 2. Cutting head, 3. Cutting head, 4. Elastic ejection assembly, 41. Push block, 411. Top block, 412. Arc surface, 413. Slot, 42. Elastic element, 43. Cover plate, 431. Through slot, 432. Through hole, 5. Cutting plate, 6. Terminal chain. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0021] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. At the same time, the terms "first", "second", etc., are only used to distinguish the names of various components and do not have a primary or secondary relationship. Therefore, they should not be construed as limitations on this utility model.

[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this utility model discloses a knife assembly mechanism for terminal crimping: including a mounting base 1 connected to a drive mechanism, a knife head 2 connected to the mounting base 1, and a knife holder 3 disposed directly below the knife head 2.

[0023] An elastic ejection assembly 4 is connected to the mounting base plate 1. The elastic ejection assembly 4 is used to apply a downward pushing force to the terminal when the cutter head 2 completes terminal crimping and resets, so that the terminal is disengaged from the cutter groove of the cutter head 2.

[0024] The elastic ejection assembly 4 includes a push block 41 and an elastic element 42 (e.g., a spring). The push block 41 is connected to the mounting base plate 1 and can slide up and down along the height direction of the mounting base plate 1. One end of the elastic element 42 is connected to the mounting base plate 1 and the other end is connected to the push block 41 to force the push block 41 to press down.

[0025] When the drive mechanism of this utility model drives the mounting base 1 to press down, the cutter head 2 and the cutter holder 3 cooperate to crimp the terminal. During this process, the push block 41 contacts the terminal and is pushed upward, overcoming the elastic force of the elastic member 42 and moving upward. After the terminal crimping is completed, the drive mechanism drives the mounting base 1 to reset. During this process, the push block 41 loses the upward pushing force and is pressed down under the elastic force of the elastic member 42, automatically pushing the terminal out of the cutter head 2's groove, avoiding the terminal from getting stuck on the cutter head 2, thereby improving the terminal crimping efficiency.

[0026] The elastic ejection assembly 4 also includes a cover plate 43, which is fixedly connected to the front end of the mounting base plate 1 by bolts. The cover plate 43 is provided with a through groove 431 that runs horizontally through its two side walls. The push block 41 and the elastic member 42 are arranged from bottom to top in the through groove 431. One end of the elastic member 42 is connected to the push block 41, and the other end is connected to the inner top wall of the through groove 431. The push block 41 can slide up and down in the through groove 431. A through hole is provided on the inner bottom wall of the through groove 431. The lower end of the push block 41 extends downward and passes through the through hole.

[0027] The upper ends of the two side walls of the push block 41 extend horizontally to the outside of the through groove 431 and are connected to the downward extending top block 411. The top block 411 is arranged parallel to the push block 41, and when the drive mechanism presses down, the top block 411 abuts against the two ends of the tool holder 3.

[0028] When the mounting base plate 1 is pressed down, the top blocks 411 on both sides of the push block 41 abut against the two ends of the knife holder 3, thereby applying an upward pushing force to the push block 41 and compressing the elastic member 42. This can prevent the push block 41 from squeezing the terminal during the pressing process, causing the terminal crimping failure, and thus avoiding the production of defective products.

[0029] The lower end face of the push block 41 is provided with an arc-shaped surface 412, which is conducive to the terminal being inserted and can apply a more stable downward pushing force to the terminal.

[0030] The top of the push block 41 is also provided with two symmetrically distributed slots 413. There are two elastic elements 42, which correspond one-to-one with the slots 413. The lower end of the elastic element 42 is engaged in the corresponding slot 413 to prevent it from falling off.

[0031] A cutting plate 5 is connected to the mounting base plate 1 behind the cutter head 2. The height of the cutting groove of the cutting plate 5 is lower than that of the cutting groove of the cutter head 2. When the cutter head 2 crimps the terminals, the cutting plate 5 can cut off the terminals on the terminal chain at the same time.

[0032] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A tool assembly mechanism for terminal crimping, comprising a mounting base (1) connected to a drive mechanism, a tool head (2) connected to the mounting base (1), and a tool holder (3) disposed directly below the tool head (2); characterized in that: The mounting base plate (1) is connected to an elastic ejection assembly (4), which is used to apply a downward pushing force to the terminal when the cutter head (2) completes terminal crimping and resets, so that the terminal is disengaged from the cutter groove of the cutter head (2).

2. The knife assembly mechanism for terminal crimping according to claim 1, characterized in that: The elastic ejection assembly (4) includes a push block (41) and an elastic element (42). The push block (41) is connected to the mounting base plate (1) and can slide up and down along the height direction of the mounting base plate (1). One end of the elastic element (42) is connected to the mounting base plate (1) and the other end is connected to the push block (41) to force the push block (41) to press down.

3. The knife assembly mechanism for terminal crimping according to claim 2, characterized in that: The elastic ejection assembly (4) also includes a cover plate (43), which is fixedly connected to the front end of the mounting base plate (1). The cover plate (43) is provided with a through groove (431) that runs horizontally through its two side walls. The push block (41) and the elastic element (42) are arranged in the through groove (431) from bottom to top. One end of the elastic element (42) is connected to the push block (41), and the other end is connected to the inner top wall of the through groove (431). A through hole is provided on the inner bottom wall of the through groove (431), and the lower end of the push block (41) extends downward and passes through the through hole (432).

4. The knife assembly mechanism for terminal crimping according to claim 3, characterized in that: The upper ends of the two side walls of the push block (41) extend horizontally to the outside of the through groove (431) and are connected to the downward extending top block (411). When the drive mechanism presses down, the top block (411) is used to abut against the two ends of the tool holder (3).

5. The knife assembly mechanism for terminal crimping according to claim 4, characterized in that: The lower end face of the pusher (41) is provided with an arc-shaped surface (412).

6. The knife assembly mechanism for terminal crimping according to claim 4, characterized in that: The top of the push block (41) is also provided with two symmetrically distributed slots (413). There are two elastic elements (42), which correspond one-to-one with the slots (413). The lower end of the elastic element (42) is engaged in the corresponding slot (413).

7. The knife assembly mechanism for terminal crimping according to claim 1, characterized in that: A cutting plate (5) is connected to the mounting base (1) behind the cutter head (2). The cutting plate (5) has a groove height lower than that of the cutter head (2) and is used to cut off the terminals on the terminal chain.

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