Terminal socket device

Abstract

The present invention discloses a terminal sleeve device, which relates to the field of terminal installation technology and includes: a wire placement groove with an opening at one end, in which two wires are placed side by side; a copper wire gathering mechanism including a U-shaped plate, an insert plate, and a first stroke component, wherein the U-shaped plate and the insert plate are respectively located on both sides of the copper wire, and the first stroke component is used to adjust the spacing between the U-shaped plate and the insert plate so that the insert plate can be inserted into the U-shaped groove of the U-shaped plate and the copper wires of the two wires are gathered in the U-shaped groove; a terminal connecting strip is laid on the top surface of a conveyor platform, and a plurality of terminals are arrayed on the side of the terminal connecting strip away from the copper wire gathering mechanism, and the flat portion of the terminal is located outside the conveyor platform, and the conveyor platform is used to move one of the terminals to a preset position; a cutting mechanism is used to cut the terminal at the preset position from the terminal connecting strip; and a terminal sleeve mechanism is used to clamp the flat portion of the terminal at the preset position, move the terminal upward, and sleeve the copper wire horizontally. This solution can automatically gather the copper wires of the two wires and automatically sleeve the terminals.

Description

Technical Field

[0001] The present invention relates to the technical field of terminal installation, and in particular to a terminal sleeve device. Background Art

[0002] When connecting the ends of two wires side by side to the same terminal, the connection method is as follows: After using a stripping machine to strip the insulation from the ends of the wires to expose the copper wires, a worker manually aligns the two wires. One hand holds the two wires, while the other hand holds pliers, using the pliers to squeeze and gather the copper wires of the two wires so that the terminal can be fitted over them. After the terminals are fitted, a crimping tool or device is used to press the terminals together, firmly connecting the terminals to the copper wires. The problem is that before fitting the terminals, the pliers are used to gather the copper wires of the two wires, a process that relies on manual labor and is inefficient. Furthermore, the uneven gathering of the copper wires can lead to an unsmooth fitting of the terminals. During fitting, the worker manually holds a terminal and fits it over the copper wires of the two wires, also relying on manual labor. Summary of the Invention

[0003] In order to solve the deficiencies of the prior art, the present invention provides a terminal sleeve device that automatically gathers the copper wires of two conductors and automatically sleeves the terminals.

[0004] In order to achieve the purpose of the present invention, the following scheme is proposed:

[0005] A terminal sleeve device comprises a cylindrical portion and a flat portion arranged at one end of the cylindrical portion. The device comprises a wire placement groove, a copper wire gathering mechanism, a terminal connecting belt, a terminal sleeve mechanism and a cutting mechanism.

[0006] One end of the wire placement slot is open and is used to place two wires side by side. When placed, the copper wire at one end of the wire extends to the outside of the open end of the wire placement slot.

[0007] The copper wire gathering mechanism includes a U-shaped plate, an inserting plate, and a first stroke assembly. The U-shaped plate and the inserting plate are respectively located on both sides of the copper wire. The first stroke assembly connects the U-shaped plate and the inserting plate and is used to adjust the distance between the two so that the inserting plate can be inserted into the U-shaped groove of the U-shaped plate and the copper wires of the two conductors can be gathered in the U-shaped groove. When the copper wires are gathered, the ends of the copper wires are exposed outside the U-shaped groove.

[0008] The terminal connection belt is laid on the top surface of the conveyor platform, and the conveyor platform is located between the terminal sleeve mechanism and the copper wire gathering mechanism. A plurality of terminals are arranged in an array on the side of the terminal connection belt away from the copper wire gathering mechanism, and the flat portion of the terminal is located outside the conveyor platform. The conveyor platform is used to move the terminal connection belt so that one of the terminals moves to a preset position.

[0009] The cutting mechanism is provided on the side wall of the conveying platform and is used to cut the cylindrical portion of the terminal and the terminal connecting strip at a preset position;

[0010] The terminal sleeve mechanism is used to clamp the flat portion of the terminal at a preset position, move the terminal upward, and sleeve the copper wire horizontally.

[0011] Furthermore, the first stroke component includes a motor, a screw, a first slider and a second slider. The screw is rotatably arranged in the power box. The motor output shaft is used to drive the screw. The top of the power box is open. The threads at both ends of the screw are opposite. The first slider and the second slider are both slidably fitted in the power box and are respectively threadedly connected to the two ends of the screw. The U-shaped plate and the insert plate are respectively connected to the first slider and the second slider.

[0012] Furthermore, a base block is provided on the top of the first slider, an extension plate is provided at the bottom of the U-shaped plate, a first guide rod is provided on the outer wall of the extension plate, the first guide rod passes through the base block and is connected to a convex plate, a first spring is provided on the outer periphery of the first guide rod, and the two ends of the first spring are respectively connected to the extension plate and the base block, and a baffle is provided on the top of the power box. When the first slider moves and causes the extension plate to contact the baffle, the copper wires of the two conductors are just located at the deepest part of the U-shaped groove.

[0013] Furthermore, a push plate is provided on the top of the second slider, the plug plate is connected to the movable plate, base plates are provided on the top of the two side walls of the power box respectively, a second guide rod is provided between the base plate and the baffle, the movable plate slides and fits in the two second guide rods, a second spring is provided on the outer periphery of the second guide rod, and the two ends of the second spring are respectively connected to the base plate and the movable plate. When the copper wires of the two conductors are located at the deepest part of the U-shaped groove, the push plate contacts the movable plate.

[0014] Furthermore, the cutting mechanism includes a second stroke component and a cutting wheel. The second stroke component is arranged at the top of the side wall of the conveyor platform close to the copper wire gathering mechanism. The second stroke component is connected to the adjusting block. The cutting wheel is rotatably connected to the adjusting block through a rotating shaft. The second stroke component is used to move the position of the cutting wheel. A cutting groove is provided on the top surface of the conveyor platform. The bottom surface of the cutting wheel is located in the cutting groove, and the cutting wheel is located downstream of the preset position of the conveyor platform.

[0015] Furthermore, the terminal sleeve mechanism includes a clamp, a first plate, a second plate and a third stroke component. The first plate is vertically arranged on the top of the base plate. The first plate is provided with an inverted L-shaped groove. The horizontal section of the L-shaped groove faces the direction of the wire placement groove. The third stroke component is arranged on the top of the first plate, which is connected to the second plate and is used to horizontally move the second plate in the direction of the wire placement groove. The second plate is close to the first plate. The second plate is provided with an inclined groove. The two clamping plates of the clamp are respectively located on the upper and lower sides of the plane part of the terminal in the preset position. A vertical plate is provided on the top of the clamp, and a cylinder is provided on the side wall of the vertical plate. A square is provided on the outer end of the cylinder, and a circular plate is provided on the outer end of the square. The vertical plate is close to the second plate. The cylinder is located at the lowest end of the inclined groove, and the highest end of the inclined groove is higher than the horizontal section of the L-shaped groove. The square is located in the vertical section of the L-shaped groove. When the second plate moves horizontally in the direction of the wire placement groove, it is used to move the clamp up and then move horizontally.

[0016] The beneficial effects of the present invention are that it can automatically gather the copper wires of two conductors together without manual intervention, and ensure that the copper wires can be gathered neatly so that the terminals can be smoothly sleeved on the copper wires; it can also automatically sleeve the terminals on the copper wires, eliminating manual labor and improving the speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Shows a structural diagram of the socket device;

[0018] Figure 2 A top view of the sleeve device is shown;

[0019] Figure 3 A front view of the copper wire gathering mechanism is shown;

[0020] Figure 4 Shows a partial right side view of the sleeve device;

[0021] Figure 5 Shows a partial left view of the sleeve device;

[0022] Figure 6 A diagram of the fixture structure is shown. DETAILED DESCRIPTION

[0023] Figure 1 A terminal 32 in the prior art is shown in FIG. The terminal 32 includes a cylindrical portion and a flat portion provided at one end of the cylindrical portion. This embodiment provides a terminal sleeve device for sleeve-fitting the terminal 32 onto the copper wires at the ends of the two wires. Figure 1 As shown, the device includes a wire placement groove 1, a copper wire gathering mechanism 2, a terminal connecting belt 3, a terminal sleeve mechanism 4 and a cutting mechanism 5.

[0024] Specifically, according to actual needs, a wire placement groove 1 of appropriate size is selected. The wire placement groove 1 is detachably arranged on the top of the support seat. The wire placement groove 1 is opened at one end toward the copper wire gathering mechanism 2. The wire placement groove 1 is used to place two wires side by side. When placed, the copper wire at one end of the wire extends to the outside of the open end of the wire placement groove 1.

[0025] Specifically, the copper wire gathering mechanism 2 includes a U-shaped plate 21, an insert plate 22 and a first stroke component 23. The insert plate 22 matches the size of the U-shaped groove of the U-shaped plate 21. The U-shaped plate 21 and the insert plate 22 are respectively located on both sides of the copper wire. The U-shaped groove of the U-shaped plate 21 opens horizontally in the direction of the copper wire. The first stroke component 23 is arranged on the top of the base plate 6. The first stroke component 23 connects the U-shaped plate 21 and the insert plate 22, and is used to adjust the distance between the two so that the insert plate 22 is inserted into the U-shaped groove of the U-shaped plate 21 and the copper wires of the two conductors are gathered in the U-shaped groove.

[0026] Two points need to be noted about the copper wire gathering mechanism 2: first, in order to facilitate the U-shaped plate 21 to smoothly gather the copper wires of the two conductors, it is best to set the open end of the U-shaped groove to be trumpet-shaped; second, when the copper wires of the two conductors are gathered together, the end of the copper wire is exposed outside the U-shaped groove so that the terminal 32 can be put on next.

[0027] Specifically, the terminal connection belt 3 is laid on the top surface of the conveyor platform 31. The conveyor platform 31 is located between the terminal socket mechanism 4 and the copper wire gathering mechanism 2. A plurality of terminals 32 are arrayed on the side of the terminal connection belt 3 away from the copper wire gathering mechanism 2. The cylindrical portion at one end of the terminal 32 is connected to the side wall of the terminal connection belt 3, and the flat portion at the other end of the terminal 32 is located outside the conveyor platform 31. The conveyor platform 31 is used to move the terminal connection belt 3 so that one of the terminals 32 moves to a preset position. The preset position refers to a position directly opposite the copper wire, and the preset position is located diagonally below the copper wire. Note that the direction of movement of the terminal connection belt 3 is parallel to the direction of movement of the plug board 22. There are many ways to implement the movement of the terminal connection belt 3 by the conveyor platform 31, which will not be elaborated here. In addition, due to limited space, only a partial length of the conveyor platform 31 is shown in the accompanying drawings.

[0028] Specifically, the cutting mechanism 5 is provided on the side wall of the conveying platform 31 and is used to cut the cylindrical portion of the terminal 32 at the preset position from the terminal connecting strip 3. The specific implementation of the cutting mechanism 5 is as follows:

[0029] like Figure 1 、 Figure 2 As shown, the cutting mechanism 5 includes a second stroke component 51, an adjusting block 53 and a cutting wheel 52. The second stroke component 51 is arranged at the top of the side wall of the conveying platform 31 close to the copper wire gathering mechanism 2. The second stroke component 51 is connected to the adjusting block 53, and the cutting wheel 52 is rotatably connected to the adjusting block 53 through a rotating shaft. The second stroke component 51 is used to move the position of the cutting wheel 52. There are many ways to implement the second stroke component 51, such as using a telescopic rod driven by a pneumatic cylinder, an oil cylinder or a hydraulic cylinder. In order to improve the stability of the cutting wheel 52, a cutting groove is provided on the top surface of the conveying platform 31, and the bottom surface of the cutting wheel 52 is located in the cutting groove, and the cutting wheel 52 is located downstream of the preset position of the conveying platform 31. The downstream direction refers to the direction in which the conveying platform 31 moves the terminal connecting belt 3.

[0030] Specifically, the terminal sleeve mechanism 4 is provided on the top of the bottom plate 6 , and is used to clamp the flat portion of the terminal 32 at a preset position, move the terminal 32 upward, and then sleeve it horizontally onto the copper wire.

[0031] Here’s how to use it:

[0032] The two stripped wires are placed in the wire placement groove 1, and the copper wire at one end of the wire extends to the outside of the open end of the wire placement groove 1; the first stroke component 23 is used to reduce the distance between the U-shaped plate 21 and the plug plate 22, so that the plug plate 22 is inserted into the U-shaped groove of the U-shaped plate 21, and the copper wires of the two wires are gathered in the U-shaped groove. At this time, the ends of the copper wires are exposed outside the U-shaped groove. Note that in the process of gathering the copper wires, a pressure plate can be covered on the top of the wire placement groove 1. The pressure plate automatically moves up and down under the action of the pneumatic lifting rod to press the two wires; the terminal connection belt 3 is moved in advance using the conveyor 31 to move one of the terminals 32 to the preset position, and then the terminal sleeve is used to press the two wires. The connecting mechanism 4 clamps the flat portion of the terminal 32 at the preset position and keeps it stationary, and then uses the second stroke component 51 to move the cutting wheel 52 toward the preset position until the cutting wheel 52 cuts the cylindrical portion of the terminal 32 at the preset position from the terminal connecting strip 3, and then the cutting wheel 52 returns to its original position; the terminal sleeve mechanism 4 is used to move the clamped terminal 32 upward and then horizontally sleeved on the end of the copper wire; the first stroke component 23 is used to expand the distance between the U-shaped plate 21 and the plug plate 22. After the copper wire loses the restriction of the U-shaped plate 21 and the plug plate 22, the terminal sleeve mechanism 4 is used to make the clamped terminal 32 continue to move horizontally until the terminal 32 is completely sleeved on the copper wire.

[0033] The device provided in this embodiment can automatically gather the copper wires of two conductors together without the need for manual intervention, and ensure that the copper wires can be gathered neatly so that the terminal 32 can be smoothly sleeved on the copper wire; the device provided in this embodiment can also automatically sleeve the terminal 32 on the copper wire, eliminating manual labor and improving the speed.

[0034] More specifically, there are many ways to implement the first stroke component 23. This embodiment provides a more preferred implementation: Figure 2 、 Figure 3 As shown, the first stroke component 23 includes a motor 231, a screw rod 232, a first slider 233 and a second slider 234. The screw rod 232 is rotatably arranged in the power box 235. The motor 231 is arranged at the outer end of the power box 235. The output shaft of the motor 231 is used to drive the screw rod 232. The top of the power box 235 is open. The threads at both ends of the screw rod 232 are opposite. The first slider 233 and the second slider 234 are both slidably fitted in the power box 235 and are respectively threadedly connected to the two ends of the screw rod 232.

[0035] A base block 2311 is provided on the top of the first slider 233, an extension plate 211 is provided at the bottom of the U-shaped plate 21, a first guide rod 212 is provided on the outer wall of the extension plate 211, the first guide rod 212 passes through the base block 2311 and is connected to a convex plate 213, the diameter of the convex plate 213 is larger than the diameter of the first guide rod 212, a first spring is provided on the outer periphery of the first guide rod 212, the two ends of the first spring are respectively connected to the extension plate 211 and the base block 2311, a baffle 2351 is provided on the top of the power box 235 for stopping the extension plate 211, when the first slider 233 moves and makes the inner wall of the extension plate 211 contact the baffle 2351, at this time, the copper wires of the two conductors are just located at the deepest part of the U-shaped groove.

[0036] A push plate 2341 is provided on the top of the second slider 234, the insert plate 22 is connected to the inner wall of the movable plate 221, and a base plate 2352 is provided on the top of each side wall of the power box 235. A second guide rod 222 is provided between the base plate 2352 and the baffle 2351. The movable plate 221 slides in cooperation with the two second guide rods 222. A second spring is provided on the outer periphery of the second guide rod 222. The two ends of the second spring are respectively connected to the base plate 2352 and the movable plate 221. When the copper wires of the two conductors are located at the deepest part of the U-shaped groove, the push plate 2341 just contacts the movable plate 221.

[0037] The principle of the first stroke assembly 23 is as follows: the motor 231 drives the screw rod 232 to reduce the distance between the first slider 233 and the second slider 234. In the first stage, the first slider 233 first moves the U-shaped plate 21 together toward the direction where the copper wire is located. During this process, the copper wires of the two conductors are gradually gathered into the U-shaped groove. When the inner wall of the extension plate 211 contacts the baffle 2351, the copper wires of the two conductors are just located at the deepest part of the U-shaped groove, and the push plate 2341 just contacts the moving plate 221. In the second stage, since the extension plate 211 is affected by the baffle, the copper wires of the two conductors are just located at the deepest part of the U-shaped groove, and the push plate 2341 just contacts the moving plate 221. 2351, so the motor 231 continues to drive the screw rod 232, the first slider 233 will continue to move, and the U-shaped plate 21 remains stationary. During this process, the first spring is continuously compressed, the second slider 234 will continue to move, and under the action of the push plate 2341, the movable plate 221 begins to move toward the direction of the copper wire until the plug-in plate 22 is inserted into the U-shaped groove, so that the copper wires of the two conductors are gathered together. During this process, the second spring is continuously stretched; finally, when the copper wire needs to be released, the motor 231 is used to drive the screw rod 232 in the reverse direction.

[0038] More specifically, there are many ways to implement the terminal sleeve mechanism 4. This embodiment provides a more preferred implementation method: Figure 1 、 Figure 4-Figure 6As shown, the terminal sleeve mechanism 4 includes a clamp 41, a first plate 42, a second plate 43 and a third stroke component 44. The first plate 42 is vertically arranged on the top of the bottom plate 6. The first plate 42 is provided with an inverted L-shaped groove 421. The horizontal section of the L-shaped groove 421 points to the direction of the wire placement groove 1. The third stroke component 44 is arranged on the top of the first plate 42. The bottom of the third stroke component 44 is connected to the second plate 43 for horizontally moving the second plate 43 in the direction of the wire placement groove 1. There are many ways to implement the third stroke component 44, such as using a telescopic rod driven by a cylinder, an oil cylinder or a hydraulic pressure. The second plate 43 is close to the first plate 42. The second plate 43 is provided with an inclined groove 431, which is inclined upward along the direction of the horizontal section of the L-shaped groove 421. The groove 431 is set to be inclined downward, and the inclined groove 431 is located on the side of the vertical section of the L-shaped groove 421 away from the wire placement groove 1. The highest end of the inclined groove 431 is higher than the horizontal section of the L-shaped groove 421. The two clamps of the clamp 41 are respectively located on the upper and lower sides of the plane part of the terminal 32 at the preset position. A vertical plate 411 is provided on the top of the clamp 41, and a cylinder 412 is provided on the side wall of the vertical plate 411. A square 413 is provided at the outer end of the cylinder 412, and a circular plate 414 is provided at the outer end of the square 413. The vertical plate 411 is close to the second plate 43, and the cylinder 412 is located at the lowest end of the inclined groove 431, and the cylinder 412 matches the inclined groove 431. The square 413 is located in the vertical section of the L-shaped groove 421, and the square 413 matches the L-shaped groove 421.

[0039] The terminal socket mechanism 4 is used as follows:

[0040] First, use the two clamping plates of the clamp 41 to clamp the flat part of the terminal 32 at the preset position and keep it motionless, and then use the second stroke component 51 to move the cutting wheel 52 toward the preset position until the cutting wheel 52 cuts the cylindrical part of the terminal 32 at the preset position from the terminal connecting strip 3, and then the cutting wheel 52 returns to its original position; use the third stroke component 44 to move the second plate 43 horizontally, which will prompt the clamp 41 to move up first. When the block 413 moves to the horizontal section of the L-shaped groove 421, the clamp 41 starts to move horizontally until the terminal 32 is sleeved on the end of the copper wire; after using the first stroke component 23 to expand the distance between the U-shaped plate 21 and the plug-in plate 22, the third stroke component 44 continues to move the second plate 43 horizontally until the terminal 32 is completely sleeved on the copper wire.

[0041] The above embodiments are only used to illustrate the technical ideas and features of the present invention and are not intended to be exclusive or limit the present invention. It should be understood by those skilled in the art that various changes or equivalent substitutions made to the present invention without departing from the scope of the present invention are within the scope of protection of the present invention.

Claims

1. A terminal sleeve device, wherein the terminal (32) comprises a cylindrical portion and a flat portion provided at one end of the cylindrical portion, characterized in that: The device comprises a wire placement groove (1), a copper wire gathering mechanism (2), a terminal connection belt (3), a terminal sleeve mechanism (4) and a cutting mechanism (5); One end of the wire placement slot (1) is open and is used to place two wires side by side. When placed, the copper wire at one end of the wire extends to the outside of the open end of the wire placement slot (1); The copper wire gathering mechanism (2) comprises a U-shaped plate (21), an inserting plate (22) and a first stroke component (23), wherein the U-shaped plate (21) and the inserting plate (22) are respectively located on both sides of the copper wire, and the first stroke component (23) connects the U-shaped plate (21) and the inserting plate (22) and is used to adjust the distance between the two so that the inserting plate (22) is inserted into the U-shaped groove of the U-shaped plate (21) and the copper wires of the two conductors are gathered in the U-shaped groove; when the copper wires are gathered, the ends of the copper wires are exposed outside the U-shaped groove; The terminal connection belt (3) is laid on the top surface of the conveying platform (31), and the conveying platform (31) is located between the terminal sleeve mechanism (4) and the copper wire gathering mechanism (2). A plurality of terminals (32) are arranged in an array on the side of the terminal connection belt (3) away from the copper wire gathering mechanism (2), and the flat surface of the terminal (32) is located outside the conveying platform (31). The conveying platform (31) is used to move the terminal connection belt (3) so that one of the terminals (32) moves to a preset position. The cutting mechanism (5) is provided on the side wall of the conveying platform (31) and is used to cut the cylindrical portion of the terminal (32) and the terminal connecting strip (3) at a preset position; The terminal sleeve mechanism (4) is used to clamp the flat surface of the terminal (32) at a preset position, and to move the terminal (32) upwards and sleeve the copper wire horizontally; The first stroke assembly (23) includes a motor (231), a screw rod (232), a first slider (233) and a second slider (234). The screw rod (232) is rotatably arranged in a power box (235). The output shaft of the motor (231) is used to drive the screw rod (232). The power box (235) is provided with an opening at the top. The screw rod (232) has opposite threads at both ends. The first slider (233) and the second slider (234) are both slidably matched with the power box (235) and are respectively threadedly connected to the two ends of the screw rod (232). The U-shaped plate (21) and the insert plate (22) are respectively connected to the first slider (233) and the second slider (234). A base block (2311) is provided on the top of the first slider (233), an extension plate (211) is provided on the bottom of the U-shaped plate (21), a first guide rod (212) is provided on the outer wall of the extension plate (211), the first guide rod (212) passes through the base block (2311) and is connected to the convex plate (213), a first spring is provided on the outer periphery of the first guide rod (212), and the two ends of the first spring are respectively connected to the extension plate (211) and the base block (2311), and a baffle (2351) is provided on the top of the power box (235), when the first slider (233) moves and causes the extension plate (211) to contact the baffle (2351), the copper wires of the two conductors are just located at the deepest part of the U-shaped groove; A push plate (2341) is provided on the top of the second slider (234), the insert plate (22) is connected to the movable plate (221), base plates (2352) are provided on the tops of the two side walls of the power box (235), second guide rods (222) are provided between the base plates (2352) and the baffle (2351), the movable plate (221) is slidably matched with the two second guide rods (222), a second spring is provided on the outer periphery of the second guide rods (222), and the two ends of the second spring are respectively connected to the base plate (2352) and the movable plate (221), and when the copper wires of the two conductors are exactly located at the deepest part of the U-shaped groove, the push plate (2341) contacts the movable plate (221).

2. The terminal sleeve device according to claim 1, characterized in that: The cutting mechanism (5) includes a second stroke component (51) and a cutting wheel (52). The second stroke component (51) is arranged on the top of the side wall of the conveying platform (31) close to the copper wire gathering mechanism (2). The second stroke component (51) is connected to the adjustment block (53). The cutting wheel (52) is rotatably connected to the adjustment block (53) via a rotating shaft. The second stroke component (51) is used to move the position of the cutting wheel (52). A cutting groove is provided on the top surface of the conveying platform (31). The bottom surface of the cutting wheel (52) is located in the cutting groove, and the cutting wheel (52) is located in the downstream direction of the preset position of the conveying platform (31).

3. The terminal sleeve device according to claim 1, characterized in that: The terminal sleeve mechanism (4) includes a clamp (41), a first plate (42), a second plate (43) and a third stroke assembly (44), wherein the first plate (42) is vertically arranged on the top of the bottom plate (6), the first plate (42) is provided with an inverted L-shaped groove (421), the horizontal section of the L-shaped groove (421) is oriented in the direction of the wire placement groove (1), the third stroke assembly (44) is arranged on the top of the first plate (42), connected to the second plate (43), and used to horizontally move the second plate (43) in the direction of the wire placement groove (1), the second plate (43) is closely attached to the first plate (42), the second plate (43) is provided with an inclined groove (431), and the two clamping plates of the clamp (41) are respectively located at preset positions. On the upper and lower sides of the plane portion of the upper terminal (32), a vertical plate (411) is provided on the top of the clamp (41), a cylinder (412) is provided on the side wall of the vertical plate (411), a block (413) is provided on the outer end of the cylinder (412), and a circular plate (414) is provided on the outer end of the block (413). The vertical plate (411) is closely attached to the second plate (43), the cylinder (412) is located at the lowest end of the inclined groove (431), the highest end of the inclined groove (431) is higher than the horizontal section of the L-shaped groove (421), and the block (413) is located in the vertical section of the L-shaped groove (421). When the second plate (43) moves horizontally toward the direction of the wire placement groove (1), it is used to move the clamp (41) upward and then horizontally.

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