Wire feeding equipment for terminal assembly

Abstract

The utility model discloses a wire feeding device for terminal assembly, which belongs to the technical field of terminal machines and comprises a workbench, and a wire conveying assembly used for clamping and conveying terminal wires is mounted on the workbench. The wire conveying assembly comprises a driving clamping device, a wire conveying device and an adjusting device, the workbench is connected with the driving clamping device, and the driving clamping device, the wire conveying device and the adjusting device are connected with one another; a limiting driving assembly for driving the device to move is mounted on the workbench, and the limiting driving assembly is connected with the wire conveying device; the workbench is fixedly connected with a limiting wire conveying device used for limiting a terminal wire. Through the above mode, the wire feeding device for terminal assembly can realize conveying of wires through clamping of the wire feeding device for terminal assembly, can realize movement of the wires when the wires are loosened so as to carry out next processing, and can drive a device for conveying the wires to move through displacement of the device so as to realize multi-station processing and improve efficiency. And the two ends of the wire can also be processed.

Description

Technical Field

[0001] The utility model relates to the technical field of terminal machines, in particular to a wire feeding device for terminal assembly. Background Art

[0002] Terminal wires are an indispensable part of the assembly process of electronic products. Through their connection, a huge electronic product can be divided into several parts, thereby reducing the size of the electronic product, reducing production costs, and improving production efficiency.

[0003] For example, Chinese utility model patent CN214114502U discloses a terminal wire conveying device. When the terminal wire moves along the fixed seat, the terminal wire moves on the inner side of the limit block. The limit block always conflicts with the outer surface of the terminal wire on the terminal wire reel. The limit blocks on both sides restrict the terminal wire to prevent the terminal wire from jumping during the conveying process, thereby ensuring that the terminal wire remains aligned during the conveying process.

[0004] However, it still has the following disadvantages: the terminal wire is always kept in a clamped state during transportation, and its displacement cannot be adjusted, so that only one end of the terminal wire can be processed during transportation.

[0005] Based on this, the utility model designs a wire feeding device for terminal assembly to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a wire feeding device for terminal assembly.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A wire feeding device for terminal assembly comprises a workbench, on which a wire feeding assembly for clamping and conveying a terminal wire is installed;

[0009] The wire feeding assembly includes a driving clamping device, a wire feeding device and an adjusting device, the workbench is connected to the driving clamping device, and the driving clamping device, the wire feeding device and the adjusting device are connected to each other;

[0010] The workbench is equipped with a limit drive assembly for driving the device to move, and the limit drive assembly is connected to the wire transmission device;

[0011] A position limiting wire transmission device for limiting the position of the terminal wire is fixedly connected to the workbench.

[0012] Furthermore, the driving clamping device includes cylinder 2, a clamping block, connecting plate 1, rotating shaft 1, connecting plate 2 and supporting plate 1. Support plate 1 is fixedly connected to the left side of the upper end of the workbench, support plate 1 is connected to the line transmission device, cylinder 2 is fixedly connected to the rear end of the right side of support plate 1, the clamping block is fixedly connected to the output end of cylinder 2, supporting plate 1 is rotatably connected to the right side of support plate 1, connecting plate 1 is fixedly connected to the right end of rotating shaft 1, the clamping block is fixedly connected to the upper end of connecting plate 1, connecting plate 2 is rotatably connected to the upper end of connecting plate 1, and connecting plate 2 is connected to the adjusting device.

[0013] Furthermore, the adjusting device includes a third support plate, an L-shaped plate, a spring and a bolt. The upper end of the second connecting plate is rotatably connected to the L-shaped plate. The rear side of the upper end of the clamping roller is threadedly connected to the bolt. The lower end of the bolt is fixedly connected to one end of the spring. The other end of the spring is fixedly connected to the third support plate. The third support plate is in contact with the L-shaped plate. The third support plate and the L-shaped plate are connected to the line transmission device.

[0014] Furthermore, the line transmission device includes a motor, a clamping roller, a support plate 2, a rotating shaft 2, a limit plate, a connecting plate 3, a limit column 2, a fixed plate and a limit slide groove 2. The front end of the support plate 3 is fixedly connected to the support plate 2 at the upper end, the right end of the support plate 1 is rotatably connected with the rotating shaft 2, the right end of the rotating shaft 2 is fixedly connected to the support plate 2 at the lower end, the upper rear side of the support plate 2 at the lower end is fixedly connected to the limit plate, and the front ends of the support plates 2 at the lower end are respectively fixedly connected to the motor, the output end of the motor is fixedly connected with the clamping roller, the clamping roller is connected to the limit drive assembly, the right side of the support plate 1 is fixedly connected with the fixed plate, the lower end of the fixed plate is provided with a limit slide groove 2, the limit slide groove 2 is slidably connected with the limit column 2, the right end of the limit column 2 is fixedly connected with the connecting plate 3, the left side of the upper end of the connecting plate 3 is rotatably connected to the L-shaped plate, and the lower end of the connecting plate 3 is in contact with the support plate 2 and the limit plate at the lower end.

[0015] Furthermore, the limit drive assembly includes a drive device and a wire device, the workbench is connected to the drive device, the drive device is connected to the wire device, and the wire device is connected to the line transmission assembly.

[0016] Furthermore, the driving device includes a cylinder, a limiting slide groove, a limiting column, a slide groove and a moving block. A limiting slide groove is provided on the workbench, a limiting column is slidably connected inside the limiting slide groove, a moving block is fixedly connected to the upper end of the limiting column, the moving block is connected to the wire device, a slide groove is provided on the right end of the moving block, a cylinder is fixedly connected to the right side of the upper end of the workbench, and the output end of the cylinder is slidably connected to the slide groove.

[0017] Furthermore, the wire device includes a U-shaped groove, a wire tube and a wire. A U-shaped groove is opened on the front side of the upper end of the moving block, and the front and rear sides of the upper end of the workbench are respectively fixedly connected with the wire tube. The wire tube is slidingly connected to the wire, and the clamping roller is slidingly connected to the wire at one end.

[0018] Furthermore, the position-limiting wire transmission device includes a baffle, a support column, a U-shaped wire stop block and a support plate four. The support plate four is fixedly connected to the rear side of the upper end of the workbench, the support column is fixedly connected to the left side of the upper end of the support plate four at equal intervals, the baffle is fixedly connected to the upper end of the support column, and the U-shaped wire stop block is fixedly connected to the upper end and rear side of the baffle respectively.

[0019] The utility model has the following technical effects:

[0020] The utility model provides power through the cylinder 2 on the support plate 1 of the driving clamping device of the line transmission component, drives the clamping block forward through the output end of the cylinder 2, drives the connecting plate 1 and the rotating shaft 1 to rotate through the clamping block, drives the connecting plate 2 to rotate through the rotating connecting plate 1, drives the clamping roller of the line transmission device to be lifted through the rotating connecting plate 2, drives the bolt and the spring to rise through the lifted L-shaped plate, drives the rear end of the supporting plate 3 to move upward through the rising spring, drives the front end of the cylinder 2 to move downward through the upward movement of the rear end of the supporting plate 3, drives the support plate 2 of the upper line transmission device to move downward through the downward movement of the front end of the cylinder 2, drives the upper motor and the clamping roller to move downward through the downward movement of the upper support plate 2, and at the same time drives the limiting column 2 on the connecting plate 3 to slide in the limiting sliding groove 2 provided on the fixed plate through the upward movement of the L-shaped plate, and presses the limiting plate to move through the sliding of the connecting plate 3. The movement of the limit plate drives the support plate 2 and the rotating shaft 2 at the lower end to rotate, and the rotating support plate 2 at the lower end drives the motor and the clamping roller at the lower end to move up. When it is not on the conveying line, the output end of the cylinder 2 contracts and drives the connecting plate 3 to rotate and compress the support plate 2 at the lower end to rotate, and the support plate 2 at the lower end drives the motor and the clamping roller at the lower end to move down. At the same time, the support plate 3 at the rear end is pressed downward by the spring, and the front end of the support plate 3 at the rear end is driven to move up by moving the front end of the cylinder 2 upward, and the support plate 2 at the upper end is driven to move up by moving the front end of the cylinder 2 upward, and the motor and the clamping roller at the upper end are driven to move up by moving the support plate 2 at the upper end. The wire is no longer clamped, and can be transported to the next one for processing. The wire can be transported by the device for clamping and rotating the wire, and when the wire is released, the wire can be moved for the next processing.

[0021] The utility model uses the cylinder of the driving device of the limit driving assembly to provide power to drive the moving block and the limit column to slide along the limit sliding groove. At the same time, the output end of the cylinder slides in the sliding groove. When it moves to the appropriate position, the clamping roller in the U-shaped groove drives the wire to move along the wire tube. The displacement of the device can drive the device of the conveyor line to move, thereby realizing multi-station processing and improving efficiency, and both ends of the wire can also be processed. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 A three-dimensional wire feeding device for terminal assembly of the utility model Figure 1 ;

[0024] Figure 2 It is a front view of a wire feeding device for terminal assembly of the utility model;

[0025] Figure 3 It is a left side view of a wire feeding device for terminal assembly of the utility model;

[0026] Figure 4 A three-dimensional wire feeding device for terminal assembly of the utility model Figure 2 ;

[0027] Figure 5 For along Figure 3 AA direction cross-sectional view;

[0028] Figure 6 For along Figure 2 BB direction cross-sectional view;

[0029] Figure 7 for Figure 5 Enlarged view of point C in the middle.

[0030] The numbers in the figure represent:

[0031] 1. Workbench; 2. Limit drive assembly; 21. Drive device; 22. Wire device; 211. Cylinder 1; 212. Limit slideway 1; 213. Limit column 1; 214. Slideway; 215. Moving block; 221. U-shaped groove; 222. Wire tube; 223. Wire; 3. Wire delivery assembly; 31. Drive clamping device; 32. Wire delivery device; 33. Adjustment device; 311. Cylinder 2; 312. Clamping block; 313. Connecting plate 1; 314. Rotating shaft 1; 31 5. Connecting plate 2; 316. Support plate 1; 321. Motor; 322. Clamping roller; 323. Support plate 2; 324. Rotating shaft 2; 325. Limiting plate; 326. Connecting plate 3; 327. Limiting column 2; 328. Fixed plate; 329. Limiting slide groove 2; 331. Support plate 3; 332. L-shaped plate; 333. Spring; 334. Bolt; 4. Limiting wire transmission device; 41. Baffle; 42. Support column; 43. U-shaped wire blocking block; 44. Support plate 4. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] The utility model is further described below in conjunction with embodiments.

[0034] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0035] Example 1

[0036] Please refer to the instruction manual Figure 1-7 , a wire feeding device for terminal assembly, comprising a workbench 1;

[0037] The workbench 1 is provided with a wire conveying assembly 3 for clamping and conveying the terminal wire, and the wire conveying assembly 3 is connected to the limit drive assembly 2;

[0038] The wire feeding assembly 3 includes a driving clamping device 31, a wire feeding device 32 and an adjusting device 33. The workbench 1 is connected to the driving clamping device 31. The driving clamping device 31, the wire feeding device 32 and the adjusting device 33 are connected to each other. The wire feeding device 32 is connected to the limit driving assembly 2.

[0039] The driving clamping device 31 comprises a second cylinder 311, a clamping block 312, a connecting plate 313, a rotating shaft 314, a second connecting plate 315 and a supporting plate 316. The left side of the upper end of the workbench 1 is fixedly connected to the supporting plate 316, the supporting plate 316 is connected to the wire transmission device 32, the rear end of the right side of the supporting plate 316 is fixedly connected to the second cylinder 311, the output end of the second cylinder 311 is fixedly connected to the clamping block 312, the right side of the supporting plate 316 is rotatably connected to the rotating shaft 314, the right end of the rotating shaft 314 is fixedly connected to the connecting plate 313, the clamping block 312 is fixedly connected to the upper end of the connecting plate 313, the upper end of the connecting plate 313 is rotatably connected to the connecting plate 2 315, and the connecting plate 2 315 is connected to the adjusting device 33;

[0040] The adjusting device 33 includes a supporting plate 331, an L-shaped plate 332, a spring 333 and a bolt 334. The upper end of the connecting plate 2 315 is rotatably connected to the L-shaped plate 332. The rear side of the upper end of the clamping roller 322 is threadedly connected to the bolt 334. The lower end of the bolt 334 is fixedly connected to one end of the spring 333. The other end of the spring 333 is fixedly connected to the supporting plate 331. The supporting plate 331 is in contact with the L-shaped plate 332. The supporting plate 331 and the L-shaped plate 332 are connected to the wire transmission device 32.

[0041] The wire conveying device 32 includes a motor 321, a clamping roller 322, a second support plate 323, a second rotating shaft 324, a limiting plate 325, a third connecting plate 326, a second limiting column 327, a fixing plate 328 and a second limiting slide groove 329. The front end of the third support plate 331 is fixedly connected to the second support plate 323 at the upper end, the right end of the first support plate 316 is rotatably connected to the second rotating shaft 324, the right end of the second rotating shaft 324 is fixedly connected to the second support plate 323 at the lower end, the rear side of the upper end of the second support plate 323 at the lower end is fixedly connected to the limiting plate 325, and the front ends of the second support plate 323 at the lower end are respectively fixed. A motor 321 is fixedly connected, a clamping roller 322 is fixedly connected to the output end of the motor 321, the clamping roller 322 is connected to the limit drive assembly 2, a fixing plate 328 is fixedly connected to the right side of the support plate 1 316, a limiting slide groove 2 329 is provided at the lower end of the fixing plate 328, a limiting column 2 327 is slidably connected in the limiting slide groove 2 329, a connecting plate 3 326 is fixedly connected to the right end of the limiting column 2 327, the left side of the upper end of the connecting plate 3 326 is rotatably connected to the L-shaped plate 332, and the lower end of the connecting plate 3 326 is in contact with the support plate 2 323 and the limiting plate 325 at the lower end;

[0042] In the embodiment of the utility model, when the device starts to feed the wire, the cylinder 2 311 on the support plate 1 316 of the driving clamping device 31 of the wire feeding assembly 3 provides power, and the clamping block 312 is driven forward by the output end of the cylinder 2 311, and the connecting plate 1 313 and the rotating shaft 1 314 are driven to rotate by the clamping block 312, and the connecting plate 1 313 is driven to rotate by the rotating connecting plate 2 315, and the clamping roller 322 of the wire feeding device 32 is lifted by the rotating connecting plate 2 315, and the bolt 332 is driven by the lifted L-shaped plate 332. The spring 333 of the upper end of the connecting plate 326 is moved downwards, and the limit column 327 on the connecting plate 326 is moved upwards to move into the limit groove on the fixing plate 328. The second support plate 329 slides inside the second support plate 329, and the sliding of the connecting plate 326 compresses the limit plate 325 to move, and the movement of the limit plate 325 drives the second support plate 323 and the second shaft 324 at the lower end to rotate, and the rotating support plate 323 at the lower end drives the motor 321 and the clamping roller 322 at the lower end to move upward. When it is not on the conveyor line, the output end of the second cylinder 311 contracts and drives the connecting plate 326 to rotate and compress the support plate 323 at the lower end to rotate, and the rotating support plate 323 at the lower end drives the motor 321 and the clamping roller 322 at the lower end. 22 moves downward, and at the same time, the support plate three 331 at the rear end is pressed downward by the spring 333, and the front end of the cylinder two 311 is driven upward by the downward movement of the support plate three 331 at the rear end, and the upper support plate two 323 is driven upward by the upward movement of the front end of the cylinder two 311, and the upper motor 321 and the clamping roller 322 are driven upward by the upward movement of the support plate two 323 at the upper end, and the wire 223 is no longer clamped. The wire 223 can be transported by clamping and rotating the device, and the wire can be moved when the wire is released for the next processing.

[0043] Example 2

[0044] Please refer to the instruction manual Figure 2-6 The workbench 1 is provided with a limit drive assembly 2 for driving the device to move, and the limit drive assembly 2 is connected to the line transmission assembly 3;

[0045] The limit drive assembly 2 includes a drive device 21 and a wire device 22, the workbench 1 is connected to the drive device 21, the drive device 21 is connected to the wire device 22, and the wire device 22 is connected to the wire transmission assembly 3;

[0046] The driving device 21 includes a cylinder 211, a limiting slide 212, a limiting column 213, a slide 214 and a moving block 215. A limiting slide 212 is provided on the workbench 1, and a limiting column 213 is slidably connected in the limiting slide 212. A moving block 215 is fixedly connected to the upper end of the limiting column 213. The moving block 215 is connected to the wire device 22. A slide 214 is provided at the right end of the moving block 215. A cylinder 211 is fixedly connected to the right side of the upper end of the workbench 1. The output end of the cylinder 211 is fitted and slidably connected to the slide 214.

[0047] The wire device 22 includes a U-shaped groove 221, a wire tube 222 and a wire 223. The U-shaped groove 221 is opened on the front side of the upper end of the moving block 215, and the wire tubes 222 are fixedly connected to the front and rear sides of the upper end of the workbench 1 respectively. The wire tube 222 and the wire 223 are slidably connected, and the clamping roller 322 is slidably connected to the wire 223 at one end thereof.

[0048] In the embodiment of the utility model, when the device starts multi-station processing, the cylinder 211 of the driving device 21 of the limit drive assembly 2 provides power to drive the moving block 215 and the limit column 213 to slide along the limit slide groove 212, and at the same time, the output end of the cylinder 211 slides in the slide groove 214. When it moves to the appropriate position, the clamping roller 322 moves to the middle of the U-shaped groove 221 to drive the wire 223 to move along the wire tube 222 without being blocked. The displacement of the device can drive the device of the conveyor line to move, thereby realizing multi-station processing and improving efficiency, and the wire 223 can also be processed at both ends.

[0049] The workbench 1 is fixedly connected with a position limiting wire transmission device 4 for limiting the position of the terminal wire;

[0050] The position-limiting wire feeding device 4 includes a baffle 41, a support column 42, a U-shaped wire block 43 and a support plate 44. The rear side of the upper end of the workbench 1 is fixedly connected to the support plate 44, the left side of the upper end of the support plate 44 is fixedly connected to the support column 42 at equal intervals, the upper end of the support column 42 is fixedly connected to the baffle 41, and the upper end and rear side of the baffle 41 are respectively fixedly connected to the U-shaped wire block 43;

[0051] In the embodiment of the utility model, when the device starts to convey the line, the support column 42 and the baffle 41 are supported by the limiting line conveying device 4, and the line 223 is conveyed into the machine by passing through the baffle 41 and the U-shaped line blocking block 43. The restriction of the device prevents the line 223 from moving horizontally to the left and right and falling into the gap of the machine and being stuck and broken.

[0052] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will 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 wire feeding device for terminal assembly, comprising a workbench (1), characterized in that: The workbench (1) is provided with a wire conveying assembly (3) for clamping and conveying the terminal wires; The wire transmission assembly (3) comprises a driving clamping device (31), a wire transmission device (32) and an adjusting device (33); the workbench (1) is connected to the driving clamping device (31); and the driving clamping device (31), the wire transmission device (32) and the adjusting device (33) are connected to each other; The workbench (1) is provided with a limit drive assembly (2) for driving the device to move, and the limit drive assembly (2) is connected to the wire transmission device (32); A position limiting wire transmission device (4) for limiting the position of the terminal wire is fixedly connected to the workbench (1).

2. The wire feeding device for terminal assembly according to claim 1, characterized in that: The driving clamping device (31) comprises a second cylinder (311), a clamping block (312), a first connecting plate (313), a first rotating shaft (314), a second connecting plate (315) and a first supporting plate (316). The left side of the upper end of the workbench (1) is fixedly connected to the first supporting plate (316), the first supporting plate (316) is connected to the line transmission device (32), the right rear end of the first supporting plate (316) is fixedly connected to the second cylinder (311), the output end of the second cylinder (311) is fixedly connected to the clamping block (312), the right side of the first supporting plate (316) is rotatably connected to the first rotating shaft (314), the right end of the first rotating shaft (314) is fixedly connected to the first connecting plate (313), the clamping block (312) is fixedly connected to the upper end of the first connecting plate (313), the upper end of the first connecting plate (313) is rotatably connected to the second connecting plate (315), and the second connecting plate (315) is connected to the adjusting device (33).

3. The wire feeding device for terminal assembly according to claim 2, characterized in that: The adjusting device (33) comprises a supporting plate three (331), an L-shaped plate (332), a spring (333) and a bolt; the upper end of the connecting plate two (315) is rotatably connected to the L-shaped plate (332); the rear side of the upper end of the clamping roller (322) is threadedly connected to a bolt (334); the lower end of the bolt (334) is fixedly connected to one end of the spring (333); the other end of the spring (333) is fixedly connected to the supporting plate three (331); the supporting plate three (331) is contact-connected to the L-shaped plate (332); and the supporting plate three (331) and the L-shaped plate (332) are connected to the line transmission device (32).

4. The wire feeding device for terminal assembly according to claim 3, characterized in that: The wire conveying device (32) comprises a motor (321), a clamping roller (322), a second support plate (323), a second rotating shaft (324), a limiting plate (325), a third connecting plate (326), a second limiting column (327), a fixing plate (328) and a second limiting slide groove (329), wherein the front end of the third support plate (331) is fixedly connected to the second support plate (323) at the upper end, the right end of the first support plate (316) is rotatably connected to the second rotating shaft (324), the right end of the second rotating shaft (324) is fixedly connected to the second support plate (323) at the lower end, the rear side of the upper end of the second support plate (323) at the lower end is fixedly connected to the limiting plate (325), and the front end of the second support plate (323) at the lower end is respectively A motor (321) is fixedly connected, and a clamping roller (322) is fixedly connected to the output end of the motor (321). The clamping roller (322) is connected to the limit drive assembly (2). A fixing plate (328) is fixedly connected to the right side of the support plate 1 (316). A limit slide groove 2 (329) is provided at the lower end of the fixing plate (328). A limit column 2 (327) is slidably connected in the limit slide groove 2 (329). A connecting plate 3 (326) is fixedly connected to the right end of the limit column 2 (327). The left side of the upper end of the connecting plate 3 (326) is rotatably connected to the L-shaped plate (332). The lower end of the connecting plate 3 (326) is in contact with the support plate 2 (323) and the limit plate (325) at the lower end.

5. The wire feeding device for terminal assembly according to claim 4, characterized in that: The position-limiting drive assembly (2) comprises a drive device (21) and a conductor device (22); the workbench (1) is connected to the drive device (21); the drive device (21) is connected to the conductor device (22); and the conductor device (22) is connected to the line transmission assembly (3).

6. The wire feeding device for terminal assembly according to claim 5, characterized in that: The driving device (21) comprises a cylinder (211), a limiting slide groove (212), a limiting column (213), a slide groove (214) and a moving block (215). A limiting slide groove (212) is provided on the workbench (1). A limiting column (213) is slidably connected inside the limiting slide groove (212). The upper end of the limiting column (213) is fixedly connected with a moving block (215). The moving block (215) is connected to the wire device (22). A slide groove (214) is provided at the right end of the moving block (215). A cylinder (211) is fixedly connected to the right side of the upper end of the workbench (1). The output end of the cylinder (211) is slidably connected with the slide groove (214).

7. The wire feeding device for terminal assembly according to claim 6, characterized in that: The wire guide device (22) comprises a U-shaped groove (221), a wire tube (222) and a wire (223); a U-shaped groove (221) is provided on the front side of the upper end of the moving block (215); the wire tube (222) is fixedly connected to the front and rear sides of the upper end of the workbench (1); the wire tube (222) and the wire (223) are slidably connected in a close fit; and the clamping roller (322) is slidably connected to the wire (223) at one end thereof.

8. The wire feeding device for terminal assembly according to claim 7, characterized in that: The position-limiting wire feeding device (4) comprises a baffle (41), a support column (42), a U-shaped wire blocking block (43) and a support plate four (44); the rear side of the upper end of the workbench (1) is fixedly connected to the support plate four (44); the left side of the upper end of the support plate four (44) is fixedly connected to the support column (42) at equal intervals; the upper end of the support column (42) is fixedly connected to the baffle (41); the upper end and the rear side of the baffle (41) are respectively fixedly connected to the U-shaped wire blocking block (43).

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