Terminal wiring device and processing method thereof

Abstract

The present invention discloses a terminal wiring device and a processing method thereof. The device comprises a workbench and an electric turntable arranged on the workbench, wherein a plurality of placement blocks are evenly distributed on the circumference of the electric turntable, and the placement blocks are provided with placement grooves for placing terminal preforms. The following are arranged in sequence on the workbench along the circumference of the electric turntable: a terminal forming and feeding assembly, which is used for punching a metal sheet to form the terminal preform and feeding the terminal preform into one of the placement grooves; a wire feeding assembly, which is used for controlling the tightness of the wire and allowing the wire to smoothly enter the wiring part of the terminal preform; a primary stamping assembly, which is used for performing a primary crimping between the wiring part of the terminal preform and the wire; a secondary stamping assembly, which is used for performing a secondary crimping on the wiring part of the terminal preform that has been initially crimped; and a cutting assembly, which is used for cutting off the connecting part in the middle of the terminal preform. The present invention can improve production efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of processing electrical connection accessories, and in particular to a terminal wiring device and a processing method thereof. Background Art

[0002] The existing wiring terminals mainly include metal terminals and wires, and both ends of the wires are respectively connected with the metal terminals.

[0003] Generally, automated equipment is used to produce the terminal blocks. The wires are connected to the terminals after being stamped and formed. At this time, the wires need to be placed manually in the wiring part of the terminal each time, which leads to low production efficiency. During the manual placement process, the wires are easily damaged by the automated machines of the next process (such as the pressing process). The wires are generally electrode wires, which are very thin, generally only 0.06mm. Therefore, it is difficult to connect the electrode wires to the metal terminals well, and the length of the electrode wires between the two metal terminals must be consistent. Summary of the invention

[0004] The present invention aims to solve at least one of the problems existing in the prior art to a certain extent. To this end, the present invention provides a terminal wiring device and a processing method thereof. In order to achieve the above-mentioned purpose, the present invention adopts the following scheme:

[0005] A terminal wiring device comprises a workbench and an electric turntable arranged on the workbench, wherein a plurality of placement blocks are evenly distributed on the circumference of the electric turntable, and the placement blocks are provided with placement grooves for placing terminal prefabricated parts, and the workbench is provided with the following in sequence along the circumference of the electric turntable:

[0006] A terminal forming and feeding assembly, which is used for punching a metal sheet to form the terminal preform and feeding the terminal preform into one of the placement grooves;

[0007] A wire feeding assembly is used to control the tightness of the wire and enable the wire to smoothly enter the connection part of the terminal preform; a primary stamping assembly is used to perform the initial crimping between the connection part of the terminal preform and the wire;

[0008] A secondary stamping assembly, which is used to perform secondary crimping on the connection portion of the terminal preform that has been crimped initially;

[0009] A cutting assembly is used to cut off the connection portion in the middle of the terminal preform.

[0010] Preferably, the terminal forming feeding assembly includes a feeding seat arranged on a workbench, the feeding seat is higher than the placement block, a first cylinder fixing frame is arranged on the workbench and is located above the feeding seat, a first cylinder is arranged on the first cylinder fixing frame, a first stamping block facing the feeding seat is arranged on the cylinder axis of the first cylinder, the first stamping block sequentially has a first stamping portion for stamping the metal sheet to form a terminal preform group composed of a plurality of terminal preforms and pressing stripes on the wiring surface of the terminal preform wiring part, a second stamping portion for folding the wiring part of the terminal preform, and a third stamping portion for cutting the terminal preforms from the terminal preform group one by one so that the terminal preforms fall into the placement groove, and a plurality of electric rotating wheels capable of clamping both sides of the metal sheet are arranged on both sides of the feeding seat on the workbench.

[0011] Preferably, the wire feeding assembly includes a pay-off wheel and a winding wheel rotatably connected to the workbench, the wire on the pay-off wheel is wound on the winding wheel, and the end of the wire is located at the wiring portion of the terminal preform in one of the placement grooves, and a friction assembly that can increase the rotational resistance of the pay-off wheel is provided on the workbench.

[0012] Preferably, the friction assembly includes a friction wheel arranged on the pay-off wheel, a friction plate capable of resisting the friction wheel is provided on the workbench, a friction layer is provided on the side of the friction plate facing the friction wheel, a first adjustment assembly capable of adjusting the friction force between the friction plate and the friction wheel is provided on the workbench, the first adjustment assembly includes a fixed block arranged on the workbench and located next to the friction wheel, a first screw is threadedly connected to the fixed block, one end of the first screw is connected to the outer end of the friction plate, and the other end of the first screw is provided with a knob.

[0013] Preferably, a second adjusting component capable of adjusting the tightness of the line is provided on the workbench, the second adjusting component includes a hinged ear arranged on the workbench, a swing rod is hinged on the hinged ear, the swing rod is located on the side of the winding wheel away from the pay-off wheel, a rotating rod is rotatably connected to the workbench, the winding wheel is rotatably connected to the outer end of the rotating rod, a tension spring is provided between the outer end of the swing rod and the outer end of the rotating rod, a positioning component capable of fixing the angle of the swing rod is provided at the hinge of the swing rod on the workbench, the positioning component includes a second screw arranged on the hinge shaft of the swing rod, the second screw passes through the hinged ear, and a nut is threadedly connected to the second screw.

[0014] Preferably, an arc-shaped member with adjustable position is provided between two adjacent placement blocks, and the line on the pay-off wheel is supported on the outer arc surface of the arc-shaped member after passing through the winding wheel.

[0015] Preferably, the single stamping assembly includes a second cylinder fixing frame arranged on the workbench, a second cylinder is provided on the second cylinder fixing frame, and a second stamping block facing the placing block is provided on the cylinder shaft of the second cylinder, and the second stamping block is used for performing initial crimping between the wiring part of the terminal preform and the wire.

[0016] Preferably, the secondary stamping assembly includes a third cylinder fixing bracket arranged on the workbench, a third cylinder is provided on the third cylinder fixing bracket, a third stamping block facing the placement block is provided on the cylinder shaft of the third cylinder, and the third stamping block is used for secondary crimping of the wiring part of the terminal preform and the wire.

[0017] Preferably, the cutting assembly includes a fourth cylinder fixing bracket arranged on the workbench, a fourth cylinder is provided on the fourth cylinder fixing bracket, a fourth stamping block facing the placing block is provided on the cylinder shaft of the fourth cylinder, and the fourth stamping block is used to cut off the connecting portion in the middle of the terminal preform.

[0018] A method for processing the terminal wiring device as described above comprises the following steps:

[0019] S1: terminal preform forming, the terminal forming feeding assembly punches the metal sheet to form the terminal preform;

[0020] S2: The front end terminal preform is cut off by the terminal forming feeding assembly and falls into the placement groove of the placement block, and the placement block is moved to the bottom of the primary stamping assembly by the electric turntable;

[0021] S3: manually placing the wires in the wire feeding assembly into the wiring portion of the terminal preform placed in the slot in step S2 for the first time;

[0022] S4: Performing initial crimping of the connection portion of the terminal preform and the wire through the primary stamping assembly, and moving the placement block to the bottom of the secondary stamping assembly through the electric turntable;

[0023] S5: performing secondary crimping of the connection portion of the terminal preform and the wire through a secondary stamping assembly, and moving the placement block to the bottom of the cutting assembly through an electric turntable;

[0024] S6: Cutting off the connecting portion in the middle of the terminal preform by cutting off the assembly;

[0025] S7: manually taking out the formed terminal block;

[0026] S8: Repeat steps S1, S2, S4, S5, S6 and S7 in sequence.

[0027] In summary, the present invention has the following beneficial effects compared with the prior art:

[0028] The present invention first places a metal sheet on a terminal forming feeding assembly, punches the metal sheet through the terminal forming feeding assembly to form a terminal preform group consisting of a plurality of terminal preforms connected, presses stripes on the wiring surface of the terminal preform wiring part, folds the terminal preform wiring part, and then cuts the terminal preforms from the terminal preform group one by one so that the terminal preforms fall into the placement groove, and moves the placement block to the bottom of the primary stamping assembly by rotating the electric turntable, and first manually places the wire of the wire feeding assembly into the wiring part of the terminal preform located at the primary stamping assembly, and performs the initial crimping of the wiring part of the terminal preform and the wire through the primary stamping assembly, and again rotates the electric turntable to move the placement block to the bottom of the secondary stamping assembly, and moves the moving At the same time, the wire feeding assembly is driven to automatically feed the wire into the wiring part of the terminal preform in the next placement block in a tangential manner, and the wiring part of the terminal preform that has been crimped for the first time is crimped for the second time through the secondary stamping assembly. The placement block is moved to the cutting assembly by rotating the electric turntable again, and the connecting part in the middle of the terminal preform is cut off by the cutting assembly. When the cutting assembly continuously cuts off the connecting parts in the middle of two terminal preforms, a terminal wiring process is completed, and the finished product is taken out manually. The whole process can automatically produce terminals and realize terminal wiring. Through the equidistant rotation of the electric turntable, multi-station operation can be achieved at the same time to improve work efficiency, and the wire can be automatically fed and the wires between the two terminals of each finished product can be made of the same length. It has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a three-dimensional schematic diagram of a terminal wiring device of the present invention;

[0030] Figure 2 For the present invention Figure 1 The enlarged schematic diagram of point A in the middle;

[0031] Figure 3 For the present invention Figure 1 The enlarged schematic diagram of point B in the middle;

[0032] Figure 4 For the present invention Figure 1 The enlarged schematic diagram of the center C;

[0033] Figure 5 It is a schematic diagram of a finished product of the wiring terminal of the present invention. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] See also Figure 1-5 , the present invention provides a technical solution:

[0036] A terminal wiring device comprises a workbench 1 and an electric turntable 2 arranged on the workbench 1, wherein the electric turntable 2 comprises a turntable, a motor for controlling the rotation of the turntable, and an angle limit sensor for controlling the rotation angle of the turntable, wherein a plurality of placement blocks 20 are evenly distributed on the circumference of the electric turntable 2, wherein the placement blocks 20 are provided with placement grooves 21 for placing terminal preforms 11, and the workbench 1 is provided with the following in sequence along the circumference of the electric turntable 2:

[0037] The terminal forming feeding assembly 3 is used for punching the metal sheet to form the terminal preform 11 and feeding the terminal preform 11 into one of the placement grooves 21. The terminal preform 11 includes two terminals 12 and a connecting portion 13 arranged between the two terminals 12. A folded wiring portion 14 is provided on the terminal 12, and a plurality of stripes are provided on the wiring surface of the wiring portion 14.

[0038] A wire feeding assembly 4, which is used to control the tightness of the wire and enable the wire to smoothly enter the wiring portion 14 of the terminal preform 11;

[0039] A primary stamping assembly 5, which is used to perform initial crimping between the wiring portion 14 of the terminal preform 11 and the wire;

[0040] A secondary stamping assembly 6, which is used to perform secondary crimping on the connection portion 14 of the terminal preform 11 that has been crimped initially;

[0041] After the primary stamping assembly 5 performs initial crimping of the terminal preform 11's connection portion 14 and the wire, the secondary stamping assembly 6 performs secondary crimping of the terminal preform 11's connection portion 14 and the wire, which can further improve the tightness and effectively prevent the wire from falling off at the connection portion 14 .

[0042] The cutting assembly 7 is used to cut off the connecting portion 13 in the middle of the terminal preform 11 .

[0043] First, a metal sheet is placed at a terminal forming feeding assembly 3, and the metal sheet is punched through the terminal forming feeding assembly 3 to form a terminal preform group consisting of a plurality of terminal preforms 11 connected together, and stripes are pressed on the wiring surface of the wiring part of the terminal preform 11, and then the wiring part of the terminal preform 11 is folded and then the terminal preforms 11 are cut off from the terminal preform group one by one so that the terminal preforms 11 fall into the placement groove 20, and the placement block 20 is moved to the bottom of the primary stamping assembly 5 by rotating the electric turntable 2, and the wire of the wire feeding assembly 4 needs to be manually placed in the wiring part 14 of the terminal preform 11 located in the primary stamping assembly for the first time, and the wiring part 14 of the terminal preform 11 is initially crimped with the wire by the primary stamping assembly 5, and the placement block 20 is moved to the bottom of the secondary stamping assembly 6 by rotating the electric turntable 2 again, and while moving, the wire feeding assembly 4 is driven to automatically feed the wire into the terminal preform in the next placement block 20 in a tangential manner. The wiring part 14 of the terminal preform 11 is crimped for the second time by the secondary stamping component 6, and the placement block 20 is moved to the cutting component 7 by rotating the electric turntable 2 again, and the wire between the connecting part 13 in the middle of the terminal preform 11 and the terminals 12 at both ends of the same terminal preform 11 is cut by the cutting component 7. After the cutting component 7 continuously cuts the connecting part 13 in the middle of the two terminal preforms 11 and the terminals 12 at both ends of the same terminal preform 11, the adjacent terminals of the two terminal preforms 11 are crimped with the two ends of the wire respectively, completing a terminal wiring process to form a finished product. The finished product is taken out manually, and the whole process can automatically produce the terminals 12 and realize the terminal wiring. Through the equidistant rotation of the electric turntable 2, multi-station operation can be performed at the same time, which improves work efficiency, and can automatically feed the wire and make the wire between the two terminals 12 of each finished product equal in length. It has a simple structure and is easy to operate.

[0044] The terminal forming feeding assembly 3 of the present invention comprises a feeding seat 30 arranged on a workbench 1, wherein the feeding seat 30 is higher than the placing block 20, and a first cylinder fixing frame 31 is arranged on the workbench 1 and is located above the feeding seat 30, and a first cylinder 32 is arranged on the first cylinder fixing frame 31, and a first punching block 33 facing the feeding seat 30 is arranged on the cylinder axis of the first cylinder 32, and the first punching block 33 has a first punching portion 34 for punching a metal sheet to form a terminal preform group composed of a plurality of terminal preforms 11 connected and pressing stripes on the wiring surface of the terminal wiring portion 14, a second punching portion 35 for folding the wiring portion 14 of the terminal preform 11, and a first punching portion 36 for pressing the terminal wiring portion 14 of the terminal preform 11. The terminal preforms 11 are cut off from the terminal preform group one by one so that the terminal preforms 11 fall into the third stamping part 36 in the placement groove 21. On the workbench 1, a plurality of electric rotating wheels 37 capable of clamping the two sides of the metal sheet are provided on both sides of the feeding seat 30. During operation, the metal sheet is first pushed to move by the electric rotating wheels 37 on both sides of the feeding seat 30. After moving to a preset distance, the first stamping block 33 is controlled by the first cylinder 32 to stamp the metal sheet. The first stamping part 34 and the second stamping part 35 on the first stamping block 33 are stamped and formed at the same time, and the third stamping part 36 is simultaneously cut to cut the formed terminal preform 11 so that the terminal preform 11 falls into the corresponding placement groove 21.

[0045] The wire feeding assembly 4 described in the present invention includes a pay-off wheel 40 and a winding wheel 41 rotatably connected to the workbench 1, the wire on the pay-off wheel 40 is wound on the winding wheel 41, and the end of the wire is located at the wiring portion 14 of the terminal preform 11 in one of the placement grooves 21, and a friction assembly 42 that can increase the rotational resistance of the pay-off wheel 40 is provided on the workbench 1. When the electric turntable 2 rotates, it drives the pay-off wheel 40 to rotate so as to achieve the effect of automatic pay-off. At this time, the wire enters the wiring portion 14 of the terminal preform 11 in a tangential manner, thereby achieving the purpose of automatic wire feeding. The rotational resistance of the pay-off wheel 40 is increased by the friction assembly 42, thereby preventing the pay-off wheel 40 from continuing to rotate due to the inertia generated after the electric turntable 2 drives the pay-off wheel 40 to rotate, causing the wire to be too loose and displaced.

[0046] The friction assembly 42 described in the present invention includes a friction wheel 420 arranged on the pay-off wheel 40, a friction plate 421 capable of resisting the friction wheel 420 is provided on the workbench 1, a friction layer 422 is provided on the side of the friction plate 421 facing the friction wheel 420, and a first adjustment assembly 43 capable of adjusting the friction force between the friction plate 421 and the friction wheel 420 is provided on the workbench 1. By resisting the friction wheel 420 and the friction plate 421, the friction force can be increased to prevent the pay-off wheel 40 from continuing to rotate due to the inertia generated by the electric turntable 2 driving the pay-off wheel 40 to rotate, thereby preventing the line from being too loose and displacing.

[0047] The first adjustment component 43 of the present invention includes a fixed block 430 arranged on the workbench 1 and located next to the friction wheel 420, and a first screw rod 431 is threadedly connected to the fixed block 430, one end of the first screw rod 431 is connected to the outer end of the friction plate 421, and the other end of the first screw rod 431 is provided with a knob 432. By rotating the first screw rod 431, the friction plate 421 can be displaced, thereby adjusting the friction between the friction plate 421 and the friction wheel 420. The knob 432 is provided to make it more convenient to rotate the first screw rod 431.

[0048] The present invention provides a second adjustment component 8 capable of adjusting the tightness of the line on the workbench 1, the second adjustment component 8 includes a hinged ear 80 provided on the workbench 1, a swing rod 81 is hinged on the hinged ear 80, the swing rod 81 is located on the side of the winding wheel 41 away from the pay-off wheel 40, a rotating rod 82 is rotatably connected on the workbench 1, the winding wheel 41 is rotatably connected to the outer end of the rotating rod 82, a tension spring 83 is provided between the outer end of the swing rod 81 and the outer end of the rotating rod 82, a positioning component 84 capable of fixing the angle of the swing rod 81 is provided on the workbench 1 at the hinge of the swing rod 81, the positioning component 84 includes a hinged ear 80 provided on the swing rod 81 A second screw 840 on the shaft, the second screw 840 passes through the hinged ear 80, and a nut 841 is threadedly connected to the second screw 840. When working, the tension spring 83 can tighten the rotating rod 82 to rotate in the opposite direction of the pay-off wheel 40, so that the winding wheel 41 tightens the line, and the angle of the swing rod 81 can be fixed by the positioning component 84, so that the tension of the tension spring 83 on the rotating rod 82 can be adjusted, and then the tension of the winding wheel 41 on the line can be adjusted so that the line can reach the desired tension state, and the second adjusting component 8 can conveniently adjust the tension of the winding wheel 41 on the line, and the working principle of the positioning component 84 is: the hinged ear 80 is pressed by the nut 841 to fix the angle of the swing rod 81.

[0049] The present invention provides an arc-shaped member 9 with an adjustable position between two adjacent placement blocks 20. The line on the pay-off wheel 40 is abutted against the outer arc surface of the arc-shaped member 9 after passing through the winding wheel 41. By adjusting the position of the arc-shaped member 9, the length of the line between the two terminals 12 can be controlled.

[0050] The single stamping assembly 5 of the present invention includes a second cylinder fixing frame 50 arranged on the workbench 1, a second cylinder 51 is provided on the second cylinder fixing frame 50, and a second stamping block 52 facing the placement block 20 is provided on the cylinder axis of the second cylinder 51, and the second stamping block 52 is used for performing initial crimping between the wiring part 14 of the terminal preform 11 and the wire.

[0051] The secondary stamping assembly 6 described in the present invention includes a third cylinder fixing frame 60 arranged on the workbench 1, a third cylinder 61 is provided on the third cylinder fixing frame 60, and a third stamping block 62 facing the placement block 20 is provided on the cylinder axis of the third cylinder 61, and the third stamping block 62 is used for secondary crimping of the wiring part 14 of the terminal preform 11 and the wire.

[0052] The cutting assembly 7 of the present invention includes a fourth cylinder fixing frame 70 arranged on the workbench 1, a fourth cylinder 71 is provided on the fourth cylinder fixing frame 70, and a fourth punching block 72 facing the placement block 20 is provided on the cylinder axis of the fourth cylinder 71, and the fourth punching block 72 is used to cut off the connecting portion 13 in the middle of the terminal preform 11.

[0053] The present invention further comprises a controller 10, which is electrically connected to the electric turntable 2, the wire feeding assembly 4, the primary stamping assembly 5, the secondary stamping assembly 6 and the cutting assembly 7 respectively.

[0054] A method for processing the terminal wiring device as described above comprises the following steps:

[0055] S1: forming the terminal preform 11, the terminal forming feeding assembly 3 punches the metal sheet to form the terminal preform 11;

[0056] S2: The frontmost terminal preform 11 is cut off by the terminal forming feeding assembly 3 and falls into the placement groove 21 of the placement block 20, and the placement block 20 is moved to the bottom of the primary stamping assembly 5 by the electric turntable 2;

[0057] S3: manually placing the wires in the wire feeding assembly 4 into the wiring portion 14 of the terminal preform 11 placed in the groove 21 in step S2 for the first time;

[0058] S4: The connection portion 14 of the terminal preform 11 is initially crimped with the wire by the primary stamping assembly 5, and the placement block 20 is moved to the bottom of the secondary stamping assembly 6 by the electric turntable 2;

[0059] S5: The connection portion 14 of the terminal preform 11 is crimped to the wire for the second time by the secondary stamping assembly 6, and the placement block 20 is moved to the bottom of the cutting assembly 7 by the electric turntable 2;

[0060] S6: Cutting off the connecting portion 13 in the middle of the terminal preform 11 by the cutting assembly 7;

[0061] S7: manually taking out the formed terminal block;

[0062] S8: Repeat steps S1, S2, S4, S5, S6 and S7 in sequence.

[0063] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A terminal wiring device, comprising a workbench and an electric turntable arranged on the workbench, wherein a plurality of placement blocks are evenly distributed on the circumference of the electric turntable, and the placement blocks are provided with placement grooves for placing terminal prefabricated parts, characterized in that: The workbench is provided with the following components in sequence along the circumference of the electric turntable: A terminal forming and feeding assembly, which is used for punching a metal sheet to form the terminal preform and feeding the terminal preform into one of the placement grooves; A wire feeding assembly, which is used to control the tightness of the wire and enable the wire to smoothly enter the wiring part of the terminal preform; A primary stamping assembly, which is used to perform initial crimping between the connection portion of the terminal preform and the wire; A secondary stamping assembly, which is used to perform secondary crimping on the connection portion of the terminal preform that has been crimped initially; A cutting assembly, which is used to cut off the connecting portion in the middle of the terminal preform; The terminal forming feeding assembly comprises a feeding seat arranged on a workbench, the feeding seat is higher than the placement block, a first cylinder fixing frame is arranged on the workbench and is located above the feeding seat, a first cylinder is arranged on the first cylinder fixing frame, a first punching block facing the feeding seat is arranged on the cylinder axis of the first cylinder, the first punching block is sequentially provided with a first punching part for punching a metal sheet into a terminal preform group composed of a plurality of terminal preforms connected and pressing stripes on the connection surface of the terminal preform connection part, a second punching part for folding the connection part of the terminal preform, and a third punching part for cutting the terminal preforms one by one from the terminal preform group so that the terminal preforms fall into the placement groove, and a plurality of electric rotating wheels capable of clamping both sides of the metal sheet are arranged on both sides of the feeding seat on the workbench; The wire feeding assembly comprises a pay-off wheel and a winding wheel rotatably connected to the workbench, the wire on the pay-off wheel is wound on the winding wheel, and the end of the wire is located at the connection part of the terminal preform in one of the placement grooves, and a friction assembly capable of increasing the rotation resistance of the pay-off wheel is provided on the workbench; The friction assembly includes a friction wheel arranged on the pay-off wheel, a friction plate capable of resisting the friction wheel is arranged on the workbench, a friction layer is arranged on the side of the friction plate facing the friction wheel, and a first adjustment assembly capable of adjusting the friction force between the friction plate and the friction wheel is arranged on the workbench; the first adjustment assembly includes a fixed block arranged on the workbench and located next to the friction wheel, a first screw is threadedly connected to the fixed block, one end of the first screw is connected to the outer end of the friction plate, and the other end of the first screw is provided with a knob.

2. The terminal connection device according to claim 1, characterized in that: A second adjusting component capable of adjusting the tightness of the line is provided on the workbench, the second adjusting component includes a hinged ear arranged on the workbench, a swing rod is hinged on the hinged ear, the swing rod is located on the side of the winding wheel away from the pay-off wheel, a rotating rod is rotatably connected to the workbench, the winding wheel is rotatably connected to the outer end of the rotating rod, a tension spring is provided between the outer end of the swing rod and the outer end of the rotating rod, a positioning component capable of fixing the angle of the swing rod is provided at the hinge of the swing rod on the workbench, the positioning component includes a second screw rod arranged on the hinge shaft of the swing rod, the second screw rod passes through the hinged ear, and a nut is threadedly connected to the second screw rod.

3. The terminal connection device according to claim 1 or 2, characterized in that: An arc-shaped member with adjustable position is provided between two adjacent placement blocks, and the line on the pay-off wheel is supported on the outer arc surface of the arc-shaped member after passing through the winding wheel.

4. The terminal connection device according to claim 1 or 2, characterized in that: The primary stamping assembly includes a second cylinder fixing frame arranged on the workbench, a second cylinder is provided on the second cylinder fixing frame, a second stamping block facing the placement block is provided on the cylinder shaft of the second cylinder, and the second stamping block is used for initially crimping the wiring part of the terminal preform and the wire.

5. The terminal connection device according to claim 1 or 2, characterized in that: The secondary stamping assembly includes a third cylinder fixing frame arranged on the workbench, a third cylinder is arranged on the third cylinder fixing frame, a third stamping block facing the placement block is arranged on the cylinder shaft of the third cylinder, and the third stamping block is used for secondary crimping of the wiring part of the terminal preform and the wire.

6. The terminal connection device according to claim 1 or 2, characterized in that: The cutting assembly includes a fourth cylinder fixing frame arranged on the workbench, a fourth cylinder is arranged on the fourth cylinder fixing frame, a fourth punching block facing the placing block is arranged on the cylinder shaft of the fourth cylinder, and the fourth punching block is used to cut off the connecting part in the middle of the terminal preform.

7. A method for processing a terminal wiring device according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1: terminal preform forming, the terminal forming feeding assembly punches the metal sheet to form the terminal preform; S2: The front end terminal preform is cut off by the terminal forming feeding assembly and falls into the placement groove of the placement block, and the placement block is moved to the bottom of the primary stamping assembly by the electric turntable; S3: manually placing the wires in the wire feeding assembly into the wiring portion of the terminal preform placed in the slot in step S2 for the first time; S4: Performing initial crimping of the connection portion of the terminal preform and the wire through the primary stamping assembly, and moving the placement block to the bottom of the secondary stamping assembly through the electric turntable; S5: performing secondary crimping of the connection part of the terminal preform and the wire through the secondary stamping assembly, and moving the placement block to the bottom of the cutting assembly through the electric turntable; S6: Cutting off the connection part in the middle of the terminal preform by cutting off the assembly; S7: manually taking out the formed terminal block; S8: Repeat steps S1, S2, S4, S5, S6 and S7 in sequence.

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