Wire supply device for metal wire processing

By designing an automated insertion plate finding mechanism and a protective mechanism, the problems of low efficiency and poor safety in wire end fixing during metal wire processing were solved, achieving efficient and safe wire end guidance and improving production efficiency and safety.

CN121247573APending Publication Date: 2026-01-02JIAXING GUOLIAN PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202511458509.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-13
Publication Date
2026-01-02

AI Technical Summary

Technical Problem

In the metal wire processing process, traditional wire end fixing methods are inefficient, have poor operational safety, and have unreliable success rates, leading to production interruptions and safety hazards.

Method used

A wire supply device including a locating mechanism and a protective mechanism was designed. The device automatically locates the wire end through multiple equally spaced plugs and uses a protective cover to limit the opening path of the wire end when it pops open, ensuring the safe guidance of the wire end to the preset position.

Benefits of technology

It has enabled automated and efficient wire end finding, improved production efficiency and safety, eliminated the risk of personnel being injured by splintered wire, and ensured the safety of equipment and personnel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a wire supply device for metal wire machining, and relates to the field of metal wire machining, the wire supply device comprises a driving base and a frame body, the frame body is fixed behind the driving base, the upper end of an output shaft of the driving base is fixedly connected with a rotating frame, and the rotating frame is used for fixing a wire coil arranged on the surface of the rotating frame in a sleeving mode; the frame body is provided with a searching mechanism used for automatically searching the metal wire heads on the wire coil. An adjusting assembly is arranged on the sliding frame and used for adjusting the distance between every two adjacent inserting plates and keeping the multiple inserting plates distributed at equal intervals all the time. The driving base is provided with a protection mechanism used for preventing the metal wire from being broken open. According to the device, the multiple plug plates are inserted into gaps of metal wires, when the wire coil is driven to rotate, the plug plates can automatically pick out wire heads, and the metal wire machining efficiency can be effectively improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of metal wire processing, in particular to a wire feeding device for metal wire processing. BACKGROUND

[0002] In the field of metal wire processing, such as drawing, rolling and other processes, it is often necessary to lead out the wire head of the metal wire wound on the reel and feed it into the processing equipment. At present, the wire head of most reels is usually fixed in a plug-in manner after completing the upstream process, that is, simply pressing the end of the wire head under the outermost layer of wire, relying on friction to prevent it from loosening.

[0003] This traditional fixing method causes many problems to be solved: first, the efficiency of finding the wire head is extremely low. The operator cannot directly see the position of the wire head and must manually search and pick the wire layer by layer, which is time-consuming and laborious, seriously disrupting the production rhythm and becoming the primary bottleneck to achieve continuous automatic production. Second, the operation safety is poor. The metal wire (especially elastic materials such as high-carbon steel) stores a lot of stress after winding, and in the process of manually searching for the wire head, the outer layer of wire is easily broken and popped out due to disturbance, posing a major safety hazard to the operator. Finally, the success rate of finding cannot be guaranteed. The operator may not be able to find the deeply plugged wire head due to poor visibility or lack of experience, or may even misjudge and pull the wrong wire, causing the wire to be pulled off or tangled when the equipment starts, resulting in production accidents. SUMMARY

[0004] The purpose of the present application is to provide a wire feeding device for metal wire processing to solve the problems raised in the background.

[0005] To achieve the above purpose, the present application provides the following technical solution: a wire feeding device for metal wire processing, comprising a driving base and a frame, the frame is fixed behind the driving base, the output shaft of the driving base is fixedly connected with a rotating frame at the upper end, the rotating frame is used to fix a reel on its surface; The frame is provided with a finding mechanism for automatically finding the metal wire head on the reel, the finding mechanism comprises a sliding frame slidingly arranged on the frame, a plurality of plugboards are installed on the sliding frame, the end of the plugboard close to the reel is in the shape of a sharp corner; the sliding frame is provided with an adjusting assembly, the adjusting assembly is used to adjust the distance between the adjacent two plugboards and always keep the plurality of plugboards equidistantly distributed; the sliding frame is provided with a driving assembly one, the driving assembly one is used to drive the plurality of plugboards to insert into the gap of the metal wire wound on the reel; The driving base is provided with a protection mechanism for preventing the metal wire from breaking open.

[0006] Preferably, the adjusting assembly comprises a fixed frame fixedly connected to the sliding frame, a sliding rod fixedly connected to the fixed frame, a plurality of the plug plates, each in sliding connection with the sliding rod, a sliding plate in sliding connection with the inner side of the fixed frame, a scissor frame provided on the front side of the sliding plate, the rear end of each plug plate fixedly connected to the middle part of the scissor frame, an extension assembly provided on the sliding plate and used to drive the scissor frame to extend or retract, and a position adjusting assembly provided on the sliding frame and used to adjust the interval between the lowermost plug plate and the lower side plate of the wire reel to an interval equal to that between two adjacent plug plates.

[0007] Preferably, the extension assembly comprises a motor fixed to the bottom of the sliding plate, a screw rod with self-locking function fixedly connected to the upper end of the output shaft of the motor, the upper end of the screw rod in rotational connection with the upper part of the sliding plate, a driving block in screw connection with the upper end of the screw rod, the cross shaft of the middle part of the uppermost side of the scissor frame fixedly connected to the driving block, the cross shaft of the middle part of the lowermost side of the scissor frame fixedly connected to the fixed plate, and a bottom plate fixedly connected to the front end of the cross shaft of the middle part of the lowermost side of the scissor frame and in sliding connection with the sliding rod.

[0008] Preferably, the position adjusting assembly comprises two rotating cylinders symmetrically arranged at the left and right positions of the sliding rod, the rotating cylinders in rotational connection with the sliding frame and provided with spiral-shaped sliding grooves on the surfaces thereof, two sliding blocks symmetrically fixedly connected to the left and right ends of the bottom plate, and the sliding blocks in clearance fit with the sliding grooves on the left and right sides, respectively, and a second driving assembly provided at the bottom of the sliding frame and used to drive the two rotating cylinders to rotate.

[0009] Preferably, the second driving assembly comprises two racks symmetrically fixed to the left and right sides of the driving base, a gear in meshing connection with the racks, the gear in rotational connection with the sliding frame, a bevel gear one inserted into the gear and in sliding connection with the gear, a bevel gear two in meshing connection with the bevel gear one, the bevel gear two in rotational connection with the sliding frame and fixedly connected to the rotating cylinders on the left and right sides, respectively, and a disengaging assembly provided on the sliding frame and used to drive the bevel gear one and the bevel gear two to disengage from each other after the plug plate is inserted into the gap of the metal wire.

[0010] Preferably, the first driving assembly comprises a first air cylinder fixed to the rear side of the frame body, a push plate fixedly connected to the extension end of the first air cylinder, the push plate in sliding connection with the fixed frame, two springs provided between the push plate and the fixed frame, and the two ends of each spring fixedly connected to the push plate and the fixed frame, respectively.

[0011] Preferably, the disengaging assembly comprises two connecting rods symmetrically rotatably connected to the left and right positions of the push plate, a push frame rotatably connected to the other end of each connecting rod, the push frame penetrating through the sliding frame and in sliding connection with the sliding frame, the bevel gear one on the left and right sides in rotational connection with the push frames on the left and right sides, respectively, and the bevel gear one connected to the push frame through a one-way bearing.

[0012] Preferably, the protection mechanism comprises two symmetrical air cylinders fixed on the driving base at left and right positions, and the protection covers are fixedly connected to the telescopic ends of the air cylinders, and the gap between the protection covers on the left and right sides is greater than the width of the plug-in plate.

[0013] Compared with the prior art, the present application has the following beneficial effects: The present application realizes the automatic search for the plugged-in thread end by setting the search mechanism composed of multiple plug-in plates distributed at equal intervals, greatly improving the production efficiency and operation safety. Specifically, the plug-in plate spacing is self-adapted to the reel height by adjusting the adjusting assembly, and all the plug-in plates are driven to be synchronously inserted into the wire gap by the driving assembly. Then the reel is driven to rotate, and the entire outer surface of the reel is automatically and mechanically traversed by the relative movement of the plug-in plate and the wire, so that the thread end plugged into any position can be reliably picked out. This process completely replaces the inefficient and dangerous manual operation, shortens the thread end searching time from several minutes to several tens of seconds, eliminates the risk of being hit by the broken wire, and lays a solid foundation for realizing unmanned continuous production.

[0014] The present application improves the search reliability by the cooperative design of the adjusting assembly and the protection mechanism, effectively restricts the broken path of the thread end, and further guarantees the safety of the equipment and personnel. The adjusting assembly ensures that the spacing between the lowermost plug-in plate and the lower side plate of the reel is equal to the spacing between the plug-in plates, so that the movement trajectories of the multiple plug-in plates can seamlessly cover the entire effective winding surface of the reel without missing dead angles, ensuring the success rate of thread end search. At the same time, when the thread end is picked out and pops out due to stress release, it will be effectively blocked and restricted by the protection covers on both sides, limiting its broken range within the safety area formed by the protection covers, preventing it from damaging the equipment or injuring people in disorder, and enabling the thread end to be smoothly guided to the preset wire taking position. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present application; Figure 2 is a schematic diagram of the rear view structure of the present application; Figure 3 is a schematic diagram of the split structure of the present application; Figure 4 is a schematic diagram of the structure of the search mechanism in the present application; Figure 5 is a schematic diagram of the split structure of the search mechanism in the present application; Figure 6 is a schematic diagram of the structure of the driving assembly two in the present application; Figure 7 is a schematic diagram of the structure of the protection mechanism in the present application; Figure 8The principle diagram for finding the metal wire head by the inserting plate in the application.

[0016] In the drawings, the components represented by each reference numeral are as follows. 1, drive base; 2, frame body; 3, rotating frame; 4, wire reel; 5, sliding frame; 6, inserting plate; 7, fixed frame; 8, sliding rod; 9, sliding plate; 10, scissor frame; 11, motor; 12, lead screw; 13, drive block; 14, bottom plate; 15, rotating cylinder; 16, sliding groove; 17, sliding block; 18, rack; 19, gear; 20, bevel gear one; 21, bevel gear two; 22, cylinder one; 23, push plate; 24, spring; 25, connecting rod; 26, push frame; 27, cylinder two; 28, protective cover. DETAILED DESCRIPTION

[0017] Please refer to Figures 1-8 The application provides a technical solution: a wire rod feeding device for metal wire rod processing, comprising a drive base 1 and a frame body 2, the frame body 2 is fixed behind the drive base 1, and the rotating frame 3 is fixedly connected to the upper end of the output shaft of the drive base 1, and the rotating frame 3 is used for fixing the wire reel 4 on the surface thereof; The frame body 2 is provided with a finding mechanism for automatically finding the metal wire head on the wire reel 4, the finding mechanism comprises a sliding frame 5 slidingly arranged on the frame body 2, a plurality of inserting plates 6 are installed on the sliding frame 5, and the end of the inserting plate 6 close to the wire reel 4 is in the shape of a sharp corner; the sliding frame 5 is provided with an adjusting assembly, the adjusting assembly is used for adjusting the distance between adjacent two inserting plates 6 and always keeping the plurality of inserting plates 6 equidistantly distributed; the sliding frame 5 is provided with a driving assembly one, and the driving assembly one is used for driving the plurality of inserting plates 6 to be inserted into the metal wire gap wound on the wire reel 4; The drive base 1 is provided with a protection mechanism for preventing the metal wire from breaking open; In operation, when the metal wire is processed, the wire reel 4 wound with the metal wire is first installed on the rotating frame 3, and at this time, the searching mechanism is started to automatically search the wire end of the metal wire; when the searching mechanism is running, the adjusting assembly first adjusts the distance between each plug-in plate 6 according to the height of the wire reel 4, and at the same time, the adjusting assembly also needs to ensure that the plurality of plug-in plates 6 are equally distributed; after each plug-in plate 6 is adjusted to the appropriate position, the driving assembly one is started to drive the plurality of plug-in plates 6 to move to the position close to the wire reel 4 at the same time; when the plug-in plate 6 moves into the gap of the metal wire, the driving assembly one is stopped at this time, and the driving base 1 is started to drive the rotating frame 3 to rotate, and the rotating frame 3 drives the wire reel 4 to rotate; it needs to be noted that the direction in which the rotating frame 3 drives the wire reel 4 to rotate is consistent with the direction in which the wire reel 4 rotates when winding the metal wire, and in addition, when the wire reel 4 is installed, it needs to be ensured that the outermost metal wire is in a spiral downward state when the wire reel 4 rotates; when the wire reel 4 rotates, the plurality of plug-in plates 6 can be driven to move downward synchronously through the gap of the metal wire, and the plug-in plate 6 can pick out the wire end of the metal wire clamped in the gap of the metal wire when moving along the gap of the metal wire; since the plurality of plug-in plates 6 are equally distributed, when the plug-in plate 6 moves downward to the initial position of the plug-in plate 6 adjacent to the lower side thereof, the plurality of plug-in plates 6 together have just walked through the outer surface of the entire wire reel 4, thereby ensuring that the wire end of the metal wire is picked out, and at the same time, through the cooperation of the plurality of plug-in plates 6, the efficiency of the plug-in plate 6 in searching the wire end can be effectively improved. Since the metal wire has a certain elasticity, after the wire end is picked out, the wire end of the metal wire will automatically pop out, thereby directly pulling the wire end to the processing position.

[0018] Referring to Figures 4-5 As a further scheme of the present application, the adjusting assembly comprises a fixed frame 7 fixedly connected to the sliding frame 5, and a sliding rod 8 fixedly connected to the fixed frame 7; the plurality of plug-in plates 6 are in sliding connection with the sliding rod 8; a sliding plate 9 is in sliding connection with the inner side of the fixed frame 7, and a scissor frame 10 is arranged on the front side of the sliding plate 9; the rear end of the plug-in plate 6 is fixedly connected to the middle part of the scissor frame 10; an extension assembly is arranged on the sliding plate 9, and the extension assembly is used to drive the scissor frame 10 to extend and retract; and a position adjusting assembly is arranged on the sliding frame 5, and the position adjusting assembly is used to adjust the interval between the lowermost plug-in plate 6 and the lower side plate of the wire reel 4 to be equal to the interval between the adjacent two plug-in plates 6. The extension assembly comprises a motor 11 fixed to the bottom of the sliding plate 9, a screw rod 12 with self-locking function fixedly connected to the upper end of the output shaft of the motor 11, a driving block 13 in threaded connection with the upper end of the screw rod 12 and in rotary connection with the upper part of the sliding plate 9, and a cross shaft fixedly connected to the middle part of the lowermost side of the scissor frame 10 and fixedly connected to the bottom plate 14 at the front end; and the cross shaft of the middle part of the lowermost side of the scissor frame 10 is fixedly connected to the fixed plate, and the bottom plate 14 is in sliding connection with the sliding rod 8. In working, the motor 11 is started to drive the screw rod 12 to rotate, and the screw rod 12 drives the driving block 13 to move upward, and the driving block 13 drives the scissors frame 10 to extend, and the interval between the intersecting shafts in the middle part of the scissors frame 10 is increased synchronously, and each intersecting shaft drives the corresponding insertion plate 6 to move, so that the interval between the insertion plates 6 is increased synchronously. When the uppermost insertion plate 6 moves upward to the position of being attached to the upper side plate of the wire reel 4, the motor 11 is stopped, and the state is that the uppermost insertion plate 6 is attached to the upper side plate of the wire reel 4, the bottom plate 14 is at the same height as the lower side plate of the wire reel 4, and the interval between the bottom plate 14 and the lowermost insertion plate 6 is equal to the interval between the adjacent two insertion plates 6; when the wire reel 4 rotates, the plurality of insertion plates 6 drive the scissors frame 10 to move downward synchronously, and the scissors frame 10 drives the sliding plate 9 and the bottom plate 14 to move downward.

[0019] Referring to Figures 4-6 As a further scheme of the present application, the position adjusting assembly comprises two rotating cylinders 15 symmetrically arranged at the left and right positions of the sliding rod 8, the rotating cylinders 15 are rotationally connected with the sliding frame 5, and the surfaces of the rotating cylinders 15 are provided with spiral-shaped sliding grooves 16; the left and right ends of the bottom plate 14 are symmetrically fixedly connected with sliding blocks 17, the left and right sliding blocks 17 are respectively located in the left and right sliding grooves 16, and the sliding blocks 17 are in clearance fit with the sliding grooves 16; the bottom of the sliding frame 5 is provided with a second driving assembly, and the second driving assembly is used to drive the two rotating cylinders 15 to rotate; The second driving assembly comprises two racks 18 symmetrically fixed at the left and right sides of the driving base 1, the racks 18 are meshed with pinions 19, the pinions 19 are rotationally connected with the sliding frame 5; a bevel gear one 20 is inserted into the pinion 19, the bevel gear one 20 is in sliding connection with the pinion 19, and the bevel gear one 20 is meshed with a bevel gear two 21; the bevel gear two 21 is rotationally connected with the sliding frame 5, and the left and right bevel gear two 21s are respectively fixedly connected with the left and right rotating cylinders 15; the sliding frame 5 is provided with a disengaging assembly, and the disengaging assembly is used to drive the bevel gear one 20 and the bevel gear two 21 to disengage after the insertion plate 6 is inserted into the metal wire gap; When working, before adjusting the spacing of the plurality of plug-in plates 6, the driving assembly one is started to drive the sliding frame 5 to move to the position close to the wire disc 4. When the sliding frame 5 moves, the left and right gears 19 are driven to move. The gears 19 are driven to rotate under the action of the rack 18 and drive the bevel gear one 20 to rotate. The bevel gear one 20 drives the bevel gear two 21 to rotate, and the bevel gear two 21 drives the rotating drum 15 to rotate. When the rotating drum 15 rotates, the sliding block 17 is driven to move upward through the spiral-shaped sliding groove 16, and the bottom plate 14 is driven to move upward. When the gears 19 move to the position away from the rack 18, the bottom plate 14 is just moved upward to the position at the same height as the side plate below the wire disc 4, and the plurality of plug-in plates 6 are all moved to the coverage range of the side plates on the upper and lower sides of the wire disc 4. At this time, the spacing of the plurality of plug-in plates 6 is adjusted. After the spacing of the plurality of plug-in plates 6 is adjusted, the driving assembly one is started again to drive the plurality of plug-in plates 6 to be inserted into the gap of the metal wire. When the plug-in plate 6 is inserted into the gap of the metal wire, the driving assembly one stops driving the plug-in plate 6 and drives the disengagement assembly to operate. The disengagement assembly drives the bevel gear one 20 and the bevel gear two 21 to disengage. After the bevel gear one 20 and the bevel gear two 21 disengage, the threaded groove no longer supports the bottom plate 14. After the bottom plate 14 loses support, when the wire disc 4 rotates, the plug-in plate 6 can normally move downward along the gap of the metal wire.

[0020] Referring to Figures 4-5 As a further scheme of the present application, the driving assembly one comprises a cylinder one 22 fixed at the rear side position of the frame body 2. The extending end of the cylinder one 22 is fixedly connected with a push plate 23. The push plate 23 is slidably connected with a fixed frame 7, and two springs 24 are arranged between the push plate 23 and the fixed frame 7. The disengagement assembly comprises two connecting rods 25 symmetrically and rotatably connected at the left and right positions of the push plate 23. The other end of each connecting rod 25 is rotatably connected with a push frame 26. The push frame 26 penetrates through and is slidably connected with the sliding frame 5. The left and right bevel gears one 20 are rotatably connected with the left and right push frames 26 respectively. The bevel gear one 20 and the push frame 26 are connected through a one-way bearing. When working, the cylinder one 22 is started to drive the push plate 23 to move forward. The push plate 23 moves forward to drive the sliding frame 5 to slide forward through the two springs 24. The sliding frame 5 drives the two gears 19 and the plurality of plug-in plates 6 to move forward. The gears 19 start to rotate under the action of the rack 18. Since the bevel gear one 20 and the push frame 26 are connected through a one-way bearing, the gears 19 can only drive the bevel gear one 20 to rotate in one direction. When the gears 19 disengage from the rack 18, the bevel gear two 21 and the rotating drum 15 still support the bottom plate 14 under the action of the bevel gear one 20, thereby ensuring that the bottom plate 14 maintains the same height as the side plate below the wire disc 4 after the gears 19 disengage from the rack 18. The starting cylinder 22 drives the push plate 23 to continue to move, and the push plate 23 drives the sliding frame 5 and the plurality of insertion plates 6 to continue to move through the spring 24. When the insertion plate 6 is inserted into the metal wire gap, the insertion plate 6 and the sliding frame 5 cannot continue to slide at this time. With the push plate 23 continuing to move, the push plate 23 starts to compress the spring 24 and pushes the left and right push frames 26 to move through the two connecting rods 25. The left and right push frames 26 move to the left and right positions, respectively. When the push frame 26 moves, the bevel gear 20 is disengaged from the bevel gear 21. At this time, the bottom plate 14 loses support. With the rotation of the wire disc 4, the metal wire can drive the insertion plate 6 to normally move downward through the gap.

[0021] Referring to Figure 7 As a further scheme of the present application, the protection mechanism comprises two symmetrical cylinders 27 fixed on the left and right positions of the driving base 1. The telescopic ends of the cylinders 27 are fixedly connected with protection covers 28. The gap between the left and right protection covers 28 is greater than the width of the insertion plate 6. When the insertion plate 6 picks up the wire end of the metal wire, the wire end of the metal wire will directly pop out. The protection cover 28 can limit the excessive loosening of the metal wire on the wire disc 4. When the wire end of the metal wire pops out and contacts the inner wall of the protection cover 28, it is blocked by the protection cover 28. After the wire end pops out, the cylinder 22 is started to drive the insertion plate 6 to disengage from the metal wire on the wire disc 4. Then, when the wire end is observed to be close to the gap in front of the two protection covers 28, the driving base 1 is started to drive the wire disc 4 to rotate reversely. The wire end of the metal wire can be automatically stretched out from the gap in front of the two protection covers 28 when the wire disc 4 reversely rotates.

Claims

1. A wire feeding device for metal wire processing, comprising a driving base (1) and a frame body (2), characterized in that: The frame body (2) is fixed behind the driving base (1), the upper end of the output shaft of the driving base (1) is fixedly connected with a rotating frame (3), and the rotating frame (3) is used for fixing a wire reel (4) sleeved on the surface thereof; The frame body (2) is provided with a searching mechanism for automatically searching the metal wire head on the wire reel (4), the searching mechanism comprises a sliding frame (5) slidingly arranged on the frame body (2), a plurality of plug plates (6) are arranged on the sliding frame (5), and the end of the plug plate (6) close to the wire reel (4) is in the shape of a sharp corner; the sliding frame (5) is provided with an adjusting assembly, the adjusting assembly is used for adjusting the distance between adjacent two plug plates (6) and keeping the plurality of plug plates (6) equidistantly distributed; the sliding frame (5) is provided with a driving assembly one, and the driving assembly one is used for driving the plurality of plug plates (6) to be inserted into the metal wire gap wound on the wire reel (4); The driving base (1) is provided with a protection mechanism for preventing the metal wire from being broken.

2. The wire supply device for wire rod processing according to claim 1, characterized by: The adjusting assembly comprises a fixed frame (7) fixedly connected to the sliding frame (5), and a sliding rod (8) fixedly connected to the fixed frame (7); the plurality of plug plates (6) are slidingly connected with the sliding rod (8); the inner side of the fixed frame (7) is slidingly connected with a sliding plate (9), the front side of the sliding plate (9) is provided with a scissors frame (10), the rear end of the plug plate (6) is fixedly connected with the middle part of the scissors frame (10), the sliding plate (9) is provided with an extension assembly, the extension assembly is used for driving the scissors frame (10) to extend and retract, and the sliding frame (5) is provided with a position adjusting assembly, the position adjusting assembly is used for adjusting the interval between the lowermost plug plate (6) and the lower side plate of the wire reel (4) to the distance equal to the interval between adjacent two plug plates (6).

3. The wire supply device for wire rod processing according to claim 2, characterized in that: The extension assembly comprises a motor (11) fixed to the bottom of the sliding plate (9), a screw rod (12) with self-locking property is fixedly connected to the upper end of the output shaft of the motor (11); the upper end of the screw rod (12) is rotationally connected with the upper part of the sliding plate (9), a driving block (13) is threadedly connected to the screw rod (12), the driving block (13) is fixedly connected with the cross shaft of the uppermost middle part of the scissors frame (10), the cross shaft of the lowermost middle part of the scissors frame (10) is fixedly connected with a fixed plate, a bottom plate (14) is fixedly connected to the front end of the cross shaft, and the bottom plate (14) is slidingly connected with the sliding rod (8).

4. The wire supply device for wire rod processing according to claim 3, characterized in that: The position adjusting assembly comprises two rotating cylinders (15) symmetrically arranged at the left and right positions of the sliding rod (8), the rotating cylinders (15) are rotationally connected with the sliding frame (5), and a spiral-shaped sliding groove (16) is formed in the surface of the rotating cylinder (15); the left and right ends of the bottom plate (14) are symmetrically fixedly connected with sliding blocks (17), the sliding blocks (17) on the left and right sides are located in the left and right sliding grooves (16) respectively, and the sliding blocks (17) are in clearance fit with the sliding grooves (16); the bottom of the sliding frame (5) is provided with a driving assembly two, and the driving assembly two is used for driving the two rotating cylinders (15) to rotate.

5. The wire supply device for wire rod processing according to claim 4, characterized in that: The driving assembly two includes two symmetrical racks (18) fixed on the left and right sides of the driving base (1), the racks (18) are engaged with gears (19), the gears (19) are rotationally connected with the sliding frame (5); the gears (19) are internally inserted with bevel gears one (20), the bevel gears one (20) are slidingly connected with the gears (19) and the bevel gears one (20) are engaged with bevel gears two (21); the bevel gears two (21) are rotationally connected with the sliding frame (5) and the left and right bevel gears two (21) are respectively fixed with the left and right rotating cylinders (15); the sliding frame (5) is provided with a disengaging assembly, the disengaging assembly is used for driving the bevel gears one (20) and the bevel gears two (21) to disengage after the plugboard (6) is inserted into the metal wire gap.

6. The wire supply device for wire rod processing according to claim 5, characterized in that: The driving assembly one includes a cylinder one (22) fixed on the rear side of the frame body (2), the cylinder one (22) is fixedly connected with a push plate (23) at the telescopic end, the push plate (23) is slidingly connected with a fixed frame (7) and two springs (24) are arranged between the push plate (23) and the fixed frame (7), the two ends of the spring (24) are respectively fixedly connected with the push plate (23) and the fixed frame (7).

7. The wire supply device for wire rod processing according to claim 6, characterized in that: The disengaging assembly includes two symmetrical connecting rods (25) rotationally connected on the left and right positions of the push plate (23), the other end of the connecting rod (25) is rotationally connected with a push frame (26), the push frame (26) penetrates through the sliding frame (5) and is slidingly connected with the sliding frame (5); the left and right bevel gears one (20) are respectively rotationally connected with the left and right push frames (26); the bevel gears one (20) and the push frames (26) are connected through one-way bearings.

8. The wire supply device for wire rod processing according to claim 1, characterized in that: The protection mechanism includes two symmetrical cylinders two (27) fixed on the left and right positions of the driving base (1), the cylinders two (27) are fixedly connected with protection covers (28) at the telescopic ends, the gap between the left and right protection covers (28) is greater than the width of the plugboard (6).