A semi-automatic wire crimping device

Abstract

This invention provides a semi-automatic wire crimping device, belonging to the field of electronic wire processing technology. It includes a mounting frame, a stepper motor fixed to the lower rear of the mounting frame, a linear slide module fixed to the lower front of the mounting frame, a coupling connecting the stepper motor and the linear slide module, a fixture mounted on the linear slide module, two first push-pull electromagnets fixed to the upper side of the mounting frame, a first pressure head mounted on the first push-pull electromagnets, a second push-pull electromagnet fixed to the upper front of the mounting frame, a second pressure head mounted on the second push-pull electromagnet, and two modified tweezers respectively mounted on both sides of the upper front of the mounting frame. The mounting frame is slidably connected to the second pressure head, and the two modified tweezers are arranged in an inverted V-shape. This invention avoids the need for manual searching of corresponding slots on the terminals of the plastic parts, and has advantages such as reducing manual labor intensity and improving work efficiency.

Description

Technical Field

[0001] This invention relates to the field of electronic wire processing technology, and more specifically, to a semi-automatic wire crimping device. Background Technology

[0002] Before multi-core shielded wires can be processed into interchangeable cables, they must first be integrated onto plastic terminals. Then, through processes such as wire splitting, injection molding, mating universal connectors, and re-injection molding, they can be processed into interchangeable cables. A wire pressing device disclosed in patent CN209591797U has a connector placed in a limiting groove and a wire pairing block hinged to the upper surface of the base. The wire pairing block has several grooves for fixing the core wires. In use, the wire pairing block is placed directly above the connector. The operator first inserts a single wire into the groove of the wire pairing block, and then drives the wire pressing assembly to press the core wire into the connector. However, this device requires the operator to first take a single wire of the corresponding color and then find the corresponding slot on the wire pairing block. This operation is time-consuming and prone to errors due to fatigue. Summary of the Invention

[0003] The purpose of this invention is to address the aforementioned problems in existing technologies by providing a semi-automatic wire crimping device. The technical problem to be solved by this invention is how to avoid manually finding the corresponding slots on the plastic parts terminals, reduce manual labor intensity, and improve work efficiency.

[0004] The objective of this invention can be achieved through the following technical solution: A semi-automatic wire pressing device includes a mounting frame, a stepper motor fixed at the lower rear of the mounting frame, a linear slide module fixed at the lower front of the mounting frame, a coupling connecting the stepper motor and the linear slide module, a fixture disposed on the linear slide module, two first push-pull electromagnets fixed at the upper side of the mounting frame, a first pressure head disposed on the first push-pull electromagnets, a second push-pull electromagnet fixed at the upper front of the mounting frame, a second pressure head disposed on the second push-pull electromagnets, and two modified tweezers respectively disposed on both sides of the upper front of the mounting frame. The mounting frame is slidably connected to the second pressure head, and the two modified tweezers are arranged in an inverted V-shape.

[0005] Furthermore, the modified tweezers are rotatably connected to the mounting bracket at the tail end.

[0006] Furthermore, the mounting bracket has two second through holes at the front upper part, the first pressure head passes through the second through holes, and an L-shaped stop fixed on the mounting bracket is provided on the outside of the second through holes, and the modified tweezers pass through the L-shaped stop.

[0007] Furthermore, two limiting blocks are provided at the front upper part of the mounting frame, and the head of the modified tweezers passes through the limiting blocks.

[0008] Furthermore, a guide groove is provided at the front upper part of the mounting bracket, and a limiting block is fixedly provided on both sides of the guide groove.

[0009] Furthermore, the fixture includes a mounting base, a fixed clamping plate fixed above the mounting base, a movable clamping plate slidably connected to the mounting base, a pull rod with one end extending out of the mounting base and the other end fixed to the movable clamping plate, and a spring disposed between the mounting base and the movable clamping plate and penetrated by the pull rod.

[0010] In use, the operator manually pulls the lever backward, moving the movable clamping plate backward. The operator places the plastic terminal between the fixed and movable clamping plates on the fixture. Releasing the lever causes the spring to clamp the plastic terminal. Following the wire pressing sequence, the operator identifies the color and thickness of each individual wire. Using both hands, the operator holds the root and tail of the first wire to be pressed in the multi-core shielded wire, straightening it. The first wire is placed within the gripping area of ​​the two modified tweezers. The two first push-pull electromagnets are energized, driving the first pressing head forward to squeeze the modified tweezers. The first wire placed within the gripping area of ​​the two modified tweezers is clamped. The second push-pull electromagnet is energized, driving the second pressing head to press the clamped first wire into the corresponding slot of the plastic terminal. The second push-pull electromagnet is de-energized, the second pressing head rises, and the first push-pull electromagnet is de-energized, completing the modification process. The tweezers are released, and the stepper motor drives the fixture on the linear slide module to move via the coupling, so that the second wire groove on the plastic part terminal is placed directly below the second pressure head. The root and tail of the second wire to be pressed in the multi-core shielded wire are pinched by both hands respectively, and the single wire to be pressed is straightened. The second wire is placed in the gripping area of ​​the two modified tweezer heads. The first push-pull electromagnet, the second push-pull electromagnet, and the stepper motor repeat the above actions. This process is repeated to complete the upper layer pressing of the plastic part terminal. The stepper motor drives the linear slide module to move the fixture back. The pull rod is pulled back manually, and the moving plate moves back. The plastic part terminal is manually flipped over and placed between the fixed plate and the moving plate on the fixture. The pull rod is released, and the spring causes the moving plate to clamp the plastic part terminal. The above actions are repeated to complete the pressing of the multi-core shielded wire.

[0011] The beneficial effects of this invention are as follows: A single wire is manually placed within the gripping area of ​​two modified tweezers. Two first push-pull electromagnets are energized, driving the first pressure head to clamp the single wire. A second push-pull electromagnet is energized, driving the second pressure head to press the clamped single wire into the corresponding slot of the plastic component terminal. This eliminates the need for manual searching for the corresponding slot on the plastic component terminal, reducing labor intensity. The movement parameters are set in the program according to the spacing of the plastic component terminal slots, and the fixture is moved by a stepper motor, ensuring precise positioning of the plastic component terminal slots and improving work efficiency. After the upper layer of the plastic component terminal is crimped, it can automatically reset according to instructions, facilitating flipping the plastic component terminal to continue crimping or directly crimping the next multi-core shielded wire without adjusting the fixture position, further improving work efficiency. Attached Figure Description

[0012] Figure 1 , Figure 2 , Figure 3 These are schematic diagrams of the three-dimensional structure of this device from different orientations.

[0013] Figure 4 This is a three-dimensional structural diagram of the device with the plastic terminals in place.

[0014] Figure 5 yes Figure 4 A magnified view of a portion of the image along direction A.

[0015] Figure 6 This is a three-dimensional structural diagram of a single wire of a multi-core shielded cable placed within the gripping area of ​​the modified tweezers head.

[0016] Figure 7 yes Figure 6 A magnified view of the area in direction B.

[0017] Figure 8 This is a three-dimensional structural diagram of the mounting bracket.

[0018] Figure 9 , Figure 10 It is a three-dimensional structural diagram of the jig in different positions.

[0019] Figure 11 yes Figure 10 Full sectional view.

[0020] In the diagram, 100 is the mounting bracket; 101 is the first through hole; 102 is the second through hole; 103 is the guide groove; 104 is the L-shaped stop; 105 is the limit block; 2 is the stepper motor; 3 is the linear slide module; 4 is the coupling; 500 is the fixture; 501 is the mounting base; 502 is the fixed clamping plate; 503 is the moving clamping plate; 504 is the pressure plate; 505 is the pull rod; 506 is the spring; 6 is the first push-pull electromagnet; 7 is the first pressure head; 8 is the second push-pull electromagnet; 9 is the second pressure head; 10 is the modified tweezers; 11 is the plastic terminal; and 12 is the multi-core shielded wire. Detailed Implementation

[0021] The following provides a detailed description of specific embodiments of the present invention. It should be understood that the specific embodiments described herein are for illustrative and explanatory purposes only and are not intended to limit the scope of the invention.

[0022] In this invention, unless otherwise stated, directional terms such as "upper" and "lower" generally refer to the orientation in the assembled and used state. "Inner" and "outer" refer to the inner and outer sides relative to the outline of each component itself.

[0023] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of the invention described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0024] like Figures 1-3 As shown, the system includes a mounting bracket 100, a stepper motor 2 fixed to the lower rear of the mounting bracket 100, a linear slide module 3 fixed to the lower front of the mounting bracket 100, a coupling 4 connecting the stepper motor 2 and the linear slide module 3, a fixture 500 mounted on the moving block of the linear slide module 3, two first push-pull electromagnets 6 horizontally fixed to the upper side of the mounting bracket 100, a first pressure head 7 mounted on the first push-pull electromagnets 6, a second push-pull electromagnet 8 vertically fixed to the upper front of the mounting bracket 100, a second pressure head 9 mounted on the second push-pull electromagnet 8, and two modified tweezers 10 rotatably connected to the upper front of the mounting bracket 100 on both sides. The mounting bracket 100 is slidably connected to the second pressure head 9. The two modified tweezers 10 are arranged in an inverted V-shape, and the heads of the modified tweezers 10 must be rounded to avoid injury to the hands.

[0025] like Figure 8 As shown, the mounting bracket 100 has a first through hole 101 at the lower front for the drive shaft of the stepper motor 2 to pass through; the mounting bracket 100 has two second through holes 102 at the upper front for the first pressure head 7 to pass through; an L-shaped stop 104 fixed to the mounting bracket 100 is provided on the outside of the second through holes 102, through which the modified tweezers 10 pass, and the L-shaped stop 104 acts as a baffle when the first pressure head 7 presses the modified tweezers 10; two limiting blocks 105 are provided at the upper front of the mounting bracket 100, through which the head of the modified tweezers 10 passes, allowing the modified tweezers 10 to remain tilted; a guide groove 103 is provided at the upper front of the mounting bracket 100, and the limiting blocks 105 are fixed on both sides of the guide groove 103 for the sliding guide of the second pressure head 9; as Figures 9-11 As shown, the fixture 500 includes a mounting base 501, a fixed clamping plate 502 fixed above the mounting base 501, a movable clamping plate 503 slidably connected to the mounting base 501, a pull rod 505 with one end extending out of the mounting base 501 and the other end fixed to the movable clamping plate 503, and a spring 506 disposed between the mounting base 501 and the movable clamping plate 503 and penetrated by the pull rod 505. The fixture 500 is used to quickly fix the plastic part terminal 11, and the pull rod 505 can be directly made of hexagon socket screws.

[0026] In use, manually pull the lever 505 backward, and the moving plate 503 will move backward, as follows: Figures 4-5 As shown, the operator manually places the plastic terminal 11 between the fixed clamping plate 502 and the movable clamping plate 503 on the fixture 500. The pull rod 505 is released, and the spring 506 causes the movable clamping plate 503 to clamp the plastic terminal 11. Following the wire pressing sequence, the operator manually identifies the color and thickness of each individual wire, and with both hands, pinches the root and tail of the first wire to be pressed in the multi-core shielded wire 12, straightening the wire. Figures 6-7 As shown, the first wire to be pressed is placed within the gripping area of ​​the two modified tweezers 10. The two first push-pull electromagnets 6 are energized, driving the first pressing head 7 to move forward and squeeze the modified tweezers 10. The first wire placed within the gripping area of ​​the two modified tweezers 10 is clamped. The second push-pull electromagnet 8 is energized, driving the second pressing head 9 to press the clamped first wire into the corresponding slot of the plastic terminal 11. The second push-pull electromagnet 8 is de-energized, the second pressing head 9 rises, the first push-pull electromagnet 6 is de-energized, and the modified tweezers 10 release. The stepper motor 2 drives the fixture 500 on the linear slide module 3 to move via the coupling 4, so that the second wire slot on the plastic terminal 11 is positioned directly below the second pressing head 9. The two hands respectively pinch the corresponding wire to be pressed in the multi-core shielded wire 12. The root and tail of the second wire are straightened, and the second wire is placed in the gripping area of ​​the heads of the two modified tweezers 10. The first push-pull electromagnet 6, the second push-pull electromagnet 8 and the stepper motor 2 repeat the above actions. This process is repeated to complete the upper layer crimping of the plastic terminal 11. The stepper motor 2 drives the linear slide module 3 to reset the fixture 500. The pull rod 505 is pulled backward manually, and the moving plate 503 moves backward. The plastic terminal 11 is manually flipped over and placed between the fixed plate 502 and the moving plate 503 on the fixture 500. The pull rod 505 is released, and the spring 506 causes the moving plate 503 to clamp the plastic terminal 11. The above actions are repeated to complete the crimping of the multi-core shielded wire 12.

[0027] The advantages of this invention are as follows: A single wire is manually placed within the gripping area of ​​two modified tweezers 10. Two first push-pull electromagnets 6 are energized, driving the first pressure head 7 to clamp the single wire. A second push-pull electromagnet 8 is energized, driving the second pressure head 9 to press the clamped single wire into the corresponding slot of the plastic terminal 11. This eliminates the need for manual searching for the corresponding slot on the plastic terminal 11, avoiding fatigue from repetitive searching. The movement parameters are set in the program according to the spacing between the plastic terminal 11 slots, and the fixture 500 is moved by the stepper motor 2. The movement position of the plastic terminal 11 slots is precise, preventing misalignment of the single wire. After the upper layer of the plastic terminal 11 is pressed, it can automatically reset according to instructions, facilitating flipping of the plastic terminal 11 for further pressing or directly pressing the next multi-core shielded wire 12 without adjusting the position of the fixture 500, thus improving work efficiency.

[0028] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A semi-automatic wire crimping device, characterized in that, The utility model provides a kind of terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal terminal 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The semi-automatic wire crimping device of claim 1, wherein, ​

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