Alloy fine wire cutting device

Abstract

The application belongs to the technical field of wire cutting, and particularly relates to an alloy fine wire cutting device, which comprises a fixing frame, a plurality of positioning wheels rotatably arranged on the fixing frame, alloy fine wires arranged between the plurality of positioning wheels, a conveying assembly, a cutting assembly and a supporting assembly arranged on the fixing frame, the supporting assembly being used for fixing and supporting the alloy fine wires and cutting the alloy fine wires through the cutting assembly, the cutting assembly comprising a moving plate slidably connected to the fixing frame, an upper cutter fixedly connected to the lower portion of the moving plate, and a driving assembly arranged on the lower portion of the moving plate, the device can avoid the alloy fine wires from being bent and deviated due to gravity, the cut of the alloy fine wires is bent after cutting, and the actual cutting length of the alloy fine wires is deviated from the designed size, thereby affecting the subsequent processing or assembly precision.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of wire cutting, and particularly relates to an alloy fine wire cutting device. BACKGROUND

[0002] The copper alloy fine wire is an alloy material formed by adding chromium, cadmium, nickel, gold and other elements to copper as a matrix and processed by high-precision processing. The copper alloy fine wire is widely used in the field of precision manufacturing, and the length, end face perpendicularity and surface quality are required to be very high. Therefore, the cutting device can meet the above basic requirements.

[0003] The existing cutting device adopts an open suspended structure design for the discharge port when cutting the alloy fine wire. The wire is stretched for a distance and then cut by a cutter.

[0004] When the above cutting device is used to cut the alloy fine wire, the stretched section of the wire is insufficient in bending stiffness due to its own weight, causing elastic deformation, so that the straightness of the cut wire cannot meet the requirements of precision manufacturing. In the cutting process, the wire will move or deviate due to stress, which will cause inaccurate cutting position and reduce cutting precision and product quality.

[0005] Therefore, the application provides an alloy fine wire cutting device. SUMMARY

[0006] In order to make up for the deficiencies of the prior art and solve at least one technical problem in the background art.

[0007] The technical scheme adopted by the application to solve the technical problem is that the alloy fine wire cutting device comprises a fixed frame, a plurality of positioning wheels are rotatably arranged on the fixed frame, an alloy fine wire is arranged between the plurality of positioning wheels, a conveying assembly, a cutting assembly and a supporting assembly are arranged on the fixed frame, the supporting assembly fixes and supports the alloy fine wire, and the alloy fine wire is cut by the cutting assembly.

[0008] The cutting assembly comprises a moving plate slidably connected to the fixed frame, an upper cutter is fixedly connected below the moving plate, a driving assembly is further arranged below the moving plate, the supporting assembly comprises a supporting plate fixedly connected to the fixed frame, a lower cutter is fixedly connected to the supporting plate, a rotating plate is rotatably connected to the supporting plate, and a clamping plate is rotatably connected to the rotating plate.

[0009] The moving plate drives the driving assembly to descend, the rotating plate and the clamping plate are rotated and supported on the alloy fine wire by the driving assembly, and then the clamping plate is rotated and fixed on the alloy fine wire by the driving assembly.

[0010] Further as a kind of fireproof cable core tension test device of the above-mentioned technology:

[0011] The conveying assembly includes a first motor fixedly connected to the back of the fixed frame, the output end of the first motor is fixedly connected with a driving wheel, a driven wheel is arranged on one side of the driving wheel, and the driven wheel is rotatably connected to the inside of the fixed frame.

[0012] Further as a kind of fireproof cable core tension test device of the above-mentioned technology:

[0013] The cutting assembly further includes a second motor fixedly connected to one side of the fixed frame, the output end of the second motor is fixedly connected with a lead screw, the lead screw is rotatably connected to the back of the fixed frame, and the inside of the lead screw and the moving plate is connected by screw thread.

[0014] Further as a kind of fireproof cable core tension test device of the above-mentioned technology:

[0015] The driving assembly includes a limiting plate fixedly connected to the lower surface of the moving plate, the limiting plate is provided with a plurality of tooth grooves, the rotating end of the rotating plate is fixedly connected with a first gear, the first gear includes a limiting tooth, a plurality of rotating teeth are arranged on one side of the limiting tooth, the tooth groove and the rotating tooth are engaged with each other, and one side of the limiting tooth and one side of the limiting plate are attached to each other.

[0016] Further as a kind of fireproof cable core tension test device of the above-mentioned technology:

[0017] One side of the tooth groove is provided with a protrusion, the protrusion is fixedly connected with the limiting plate, the inside of the rotating plate is slidably connected with a rack, the rotating end of the clamping plate is fixedly connected with a second gear, the second gear of one of them is engaged with the rack, and the two second gears are engaged with each other.

[0018] Further as a kind of fireproof cable core tension test device of the above-mentioned technology:

[0019] The first spring is fixedly connected between the rack and the rotating plate, and one end of the rack is provided with an arc shape.

[0020] Further as a kind of fireproof cable core tension test device of the above-mentioned technology:

[0021] The inside of the rack is provided with a recess, one side of the protrusion is provided with a magnetic block, the magnetic block is fixedly connected with the surface of the limiting plate, and the size of the magnetic block and the recess is matched.

[0022] Further as a kind of fireproof cable core tension test device of the above-mentioned technology:

[0023] The interior of the rotating plate is slidably connected with a magnetic wedge, the magnetic wedge and the rotating plate are fixedly connected through a second spring, and the magnetism of the magnetic wedge and the magnetism of the magnetic block repel each other.

[0024] Further description of the fireproof cable core tension test device is as follows:

[0025] One side of the magnetic block is provided with a limiting rod, the limiting rod and the one side of the rotating plate are slidably connected, one end of the limiting rod is attached to the surface of the magnetic wedge, and a limiting hole is arranged below the rack, and the size of the limiting hole is matched with the size of the limiting rod.

[0026] Further description of the fireproof cable core tension test device is as follows:

[0027] The spring telescopic rod is rotationally connected to the support plate at a fixed end, and rotationally connected to the rotating plate at an extension end.

[0028] The beneficial effects of the present application are as follows:

[0029] 1. The alloy fine wire cutting equipment, when the alloy fine wire needs to be cut, the moving plate drives the upper cutter to descend, the moving plate drives the limiting plate to descend, the limiting plate drives the tooth groove to descend and cooperate with the first gear, the first gear drives the rotating plate to rotate, the rotating plate drives the clamping plate to rotate, the clamping plate can support the surface of the alloy fine wire extending out of the discharge end, avoid the alloy fine wire from being bent and deviated due to gravity, cause the alloy fine wire to be cut to have a bent cut, and thus cause the actual cutting length of the alloy fine wire to deviate from the designed size, and affect subsequent processing or assembly precision.

[0030] 2. The alloy fine wire cutting equipment, after the alloy fine wire is supported, the limiting plate drives the protrusion on one side to move, the protrusion extrudes the rack, the rack and one of the second gears are engaged, the single second gear rotates, the second gear and the other second gear are engaged, the two second gears rotate at the same time, the second gear drives the clamping plate to rotate, the clamping plate can clamp and fix the alloy fine wire, avoid the alloy fine wire from being axially displaced before cutting, cause the cutting size to be inconsistent, and thus cause the problem of increased alloy fine wire scrap rate.

[0031] 3. The alloy fine wire cutting device, when the alloy fine wire is cut and falls between the clamping plates, the rotating plate is rotated to reset, so that the rotating plate drives the clamping plate to be in an inclined state, then the alloy fine wire can be discharged from the clamping plates by gravity, and at the same time, the limiting rod enters the limiting hole to limit the rack, so that the alloy fine wire cannot be discharged, and the subsequent cutting of the alloy fine wire is affected, thereby reducing the cutting efficiency of the alloy fine wire. BRIEF DESCRIPTION OF DRAWINGS

[0032] The application will be further described below with reference to the drawings.

[0033] Figure 1 is a schematic view of the overall structure of the application;

[0034] Figure 2 is a back view of the overall structure of the application;

[0035] Figure 3 is a schematic view of the cutting assembly and the fixing assembly of the application;

[0036] Figure 4 is a schematic view of the moving plate and the supporting plate of the application;

[0037] Figure 5 is a schematic view of the rotating plate and the clamping plate of the application;

[0038] Figure 6 is another perspective view of the rotating plate and the clamping plate of the application;

[0039] Figure 7 is a partial structure sectional view of the rotating plate and the clamping plate of the application;

[0040] Figure 8 is a structure sectional view of the moving rack and the rotating plate of the application;

[0041] Figure 9 is a schematic view of the driving assembly and the first gear of the application;

[0042] Figure 10 is another perspective view of the driving assembly and the first gear of the application;

[0043] In the diagram: 1. Fixed frame; 2. Positioning wheel; 3. Conveying assembly; 31. First motor; 32. Driving wheel; 33. Driven wheel; 4. Cutting assembly; 41. Second motor; 42. Lead screw; 43. Moving plate; 44. Upper cutter; 45. Drive assembly; 451. Limiting plate; 452. Gear groove; 453. Protrusion; 454. Magnetic block; 5. Support assembly; 51. Support plate; 52. First gear; 521. Limiting tooth; 522. Rotating tooth; 53. Rotating plate; 531. Fixed rod; 532. First spring; 533. Magnetic wedge; 534. Second spring; 535. Limiting rod; 54. Rack; 541. Groove; 542. Limiting hole; 55. Clamping plate; 551. Second gear; 56. Spring telescopic rod; 57. Lower cutter; 6. Alloy wire. Detailed Implementation

[0044] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0045] Example 1: As Figures 1 to 10 As shown in the embodiment of the present invention, an alloy wire cutting device includes a fixed frame 1, on which a plurality of positioning wheels 2 are rotatably arranged, and an alloy wire 6 is arranged between the plurality of positioning wheels 2. The fixed frame 1 is provided with a conveying component 3, a cutting component 4, and a supporting component 5. The supporting component 5 fixes and supports the alloy wire 6, and the cutting component 4 cuts the alloy wire 6. The cutting component 4 includes a movable plate 43 slidably connected to the fixed frame 1, and an upper cutting blade is fixedly connected below the movable plate 43. 44. A drive assembly 45 is also provided below the moving plate 43. The support assembly 5 includes a support plate 51 fixedly connected to the fixed frame 1. A lower cutter 57 is fixedly connected to the support plate 51. A rotating plate 53 is rotatably connected to the support plate 51. A clamping plate 55 is rotatably connected to the rotating plate 53. The moving plate 43 drives the drive assembly 45 to descend. The drive assembly 45 drives the rotating plate 53 and the clamping plate 55 to rotate and support the alloy wire 6. Then, the drive assembly 45 drives the clamping plate 55 to rotate again and fix the alloy wire 6.

[0046] like Figure 4 , Figure 9 and Figure 10As shown, the driving assembly 45 comprises a limiting plate 451 fixedly connected to the lower surface of the moving plate 43, the limiting plate 451 is provided with a plurality of tooth grooves 452, the rotating end of the rotating plate 53 is fixedly connected with a first gear 52, the first gear 52 comprises limiting teeth 521, one side of the limiting teeth 521 is provided with a plurality of rotating teeth 522, the tooth grooves 452 and the rotating teeth 522 are engaged with each other, and one side of the limiting teeth 521 and one side of the limiting plate 451 are mutually attached.

[0047] As shown in Figure 7 , Figure 8 and Figure 10 , one side of the tooth groove 452 is provided with a protruding block 453, the protruding block 453 is fixedly connected with the limiting plate 451, the inside of the rotating plate 53 is slidingly connected with a rack 54, the rotating end of the clamping plate 55 is fixedly connected with a second gear 551, one of the second gears 551 and the rack 54 are engaged with each other, and the two second gears 551 are engaged with each other.

[0048] As shown in Figure 8 , the first spring 532 is fixedly connected between the rack 54 and the rotating plate 53, and one end of the rack 54 is provided with an arc shape.

[0049] As shown in Figure 2 , the spring telescopic rod 56 is provided between the rotating plate 53 and the supporting plate 51, the fixed end of the spring telescopic rod 56 is rotatably connected to the supporting plate 51, and the telescopic end of the spring telescopic rod 56 is rotatably connected to the rotating plate 53.

[0050] Specifically, the alloy precision wire 6 is widely used in the field of precision manufacturing, and the length, end face perpendicularity, surface quality and other parameters are required to be very high, so that the cutting equipment can meet the above basic requirements;

[0051] The existing cutting equipment adopts an open suspended structure design for the discharge outlet when cutting the alloy precision wire 6, so that the elastic deformation of the wire extension section caused by insufficient bending stiffness due to self weight, so that the straightness of the cut wire cannot meet the requirements of precision manufacturing, and the elastic deformation will make the contact state of the cutting knife and the wire unstable, resulting in burrs, collapse and other defects on the cutting section, which not only affects the appearance quality of the wire, but also may reduce its mechanical properties such as tensile strength, fatigue life, etc., and in the cutting process, the wire will move or deviate due to stress in the cutting process, which will cause inaccurate cutting position, thereby causing the problems of cutting precision and product quality decline.

[0052] In order to solve the above problems, the device is used as follows: in the initial state, the rotating plate 53 is inclined, at this time the moving plate 43 can be driven to descend, the moving plate 43 drives the upper cutter 44 and the driving assembly 45 to descend, the limiting plate 451 in the driving assembly 45 descends synchronously with the moving plate 43, the limiting plate 451 drives the tooth groove 452 to descend, the tooth groove 452 descends and contacts the first gear 52, the tooth groove 452 drives the limiting teeth 521 on the first gear 52 to move, so that the first gear 52 rotates, the rotating teeth 522 on the first gear 52 and the tooth groove 452 are engaged with each other, and the limiting teeth 521 are disengaged from the limiting plate 451, the first gear 52 drives the rotating plate 53 to rotate synchronously and stretch the spring telescopic rod 56, the rotating plate 53 drives the clamping plate 55 to rotate synchronously, so that the clamping plate 55 rotates from the inclined state to the horizontal state, then the alloy fine wire 6 moves through the positioning wheel 2 and the conveying assembly 3 to the inclined surface between the lower cutter 57 and the clamping plate 55, and the clamping plate 55 can support the alloy fine wire 6;

[0053] Then the limiting plate 451 continues to descend, so that the limiting teeth 521 and one side of the limiting plate 451 are attached and cooperate with the limiting plate 451, so that the first gear 52 is limited, at the same time, the protrusion 453 contacts the rack 54, the inclined surface of the protrusion 453 extrudes the rack 54, so that the rack 54 extrudes the first spring 532 and slides on the fixed rod 531, the rack 54 slides and engages with one of the second gears 551, so that one of the second gears 551 rotates, the two second gears 551 are engaged with each other, so that the two second gears 551 drive the clamping plate 55 to rotate towards the surface of the alloy fine wire 6 at the center, and the two clamping plates 55 clamp and fix the alloy fine wire 6 therebetween;

[0054] Finally, the upper cutter 44 descends, the upper cutter 44 and the lower cutter 57 are staggered, so that the alloy fine wire 6 is cut, after cutting, the rotating plate 53 is reset, the spring telescopic rod 56 drives the rotating plate 53 to reset, the rotating plate 53 drives the clamping plate 55 to become inclined, then the cut alloy fine wire 6 can slide downward under the action of gravity for discharging;

[0055] The device sets the clamping plate 55, which can support the surface of the alloy fine wire 6 extending out of the discharge end, avoid the alloy fine wire 6 from bending and deviating due to gravity, causing the cut alloy fine wire 6 to bend, thereby causing the actual cutting length of the alloy fine wire 6 to deviate from the designed size, affecting the subsequent processing or assembly precision, and also avoiding the axial displacement of the alloy fine wire 6 before cutting, causing the cutting size to be inconsistent, thereby increasing the scrap rate of the alloy fine wire 6.

[0056] As Figure 1 And Figure 2As shown, the conveying assembly 3 includes a first motor 31 fixedly connected to the back of the fixed frame 1, and the output end of the first motor 31 is fixedly connected with a driving wheel 32, one side of the driving wheel 32 is provided with a driven wheel 33, and the driven wheel 33 is rotatably connected to the inside of the fixed frame 1.

[0057] Specifically, when the alloy fine wire 6 needs to be conveyed, the first motor 31 can be turned on to drive the driving wheel 32 to rotate, and the driving wheel 32 and the driven wheel 33 are tangent to each other and drive the driven wheel 33 to rotate synchronously, so that the alloy fine wire 6 between the driving wheel 32 and the driven wheel 33 is conveyed to the upper cutter 44 and the lower cutter 57 for cutting treatment.

[0058] As shown, Figures 2 to 3 The cutting assembly 4 further includes a second motor 41 fixedly connected to one side of the fixed frame 1, and the output end of the second motor 41 is fixedly connected with a lead screw 42, and the lead screw 42 is rotatably connected to the back of the fixed frame 1, and the lead screw 42 and the inside of the moving plate 43 are threadedly connected.

[0059] Specifically, when the moving plate 43 needs to be driven to move, the second motor 41 can be turned on to drive the lead screw 42 to rotate synchronously, and the lead screw 42 and the moving plate 43 are threadedly connected, so that the moving plate 43 slides in the fixed plate, and the moving plate 43 can drive the upper cutter 44 to descend.

[0060] As shown, Figure 8 and Figure 10 The inside of the rack 54 is provided with a groove 541, one side of the protruding block 453 is provided with a magnetic block 454, the magnetic block 454 and the surface of the limiting plate 451 are fixedly connected, the size of the magnetic block 454 and the groove 541 are matched, the inside of the rotating plate 53 is slidably connected with a magnetic wedge 533, the magnetic wedge 533 and the rotating plate 53 are fixedly connected through a second spring 534, the magnetism of the magnetic wedge 533 and the magnetism of the magnetic block 454 repel each other, one side of the magnetic block 454 is provided with a limiting rod 535, the limiting rod 535 and one side of the rotating plate 53 are slidably connected, one end of the limiting rod 535 and the surface of the magnetic wedge 533 are fitted, and the lower side of the rack 54 is provided with a limiting hole 542, and the size of the limiting hole 542 and the size of the limiting rod 535 are matched.

[0061] Specifically, when the above clamping plate 55 is rotated to an inclined state and collides due to external factors, the rack 54 moves, the rack 54 and the second gear 551 are engaged, the second gear 551 rotates and drives the clamping plate 55 to rotate, the clamping plate 55 clamps the alloy fine wire 6 therebetween, and the cutting efficiency is reduced due to the decrease of the cutting rate.

[0062] In order to avoid the above problems, the device is used as follows: when the limiting plate 451 descends with the moving plate 43 and the rotating plate 53 changes from the inclined state to the transverse state, at this time one end of the rack 54 and one side of the limiting plate 451 are in contact, the moving plate 43 continues to descend and drives the magnetic block 454 to descend synchronously, the magnetic block 454 and the magnetic wedge 533 are in contact and generate magnetic repulsion, so that the magnetic wedge 533 extrudes the second spring 534 and slides to the inside of the rotating plate 53, at this time the limiting rod 535 slides downward on the inclined surface of the magnetic wedge 533, so that the limiting rod 535 is out of the limiting hole 542, that is, it can contact the limiting of the rack 54, the moving plate 43 continues to descend, the protrusion 453 extrudes the rack 54, and the clamping plate 55 rotates to fix the alloy fine wire 6, after use, the rack 54 is extruded away from the protrusion 453, and the magnetic wedge 533 is out of the magnetic repulsion of the magnetic block 454, so that the second spring 534 drives the magnetic wedge 533 to reset, the magnetic wedge 533 drives the limiting rod 535 into the limiting hole 542, that is, it can limit the rack 54, thereby avoiding the movement of the rack 54.

[0063] The device can avoid the movement of the rack 54 to drive the clamping plate 55 to rotate, cause the clamping plate 55 to clamp and fix the alloy fine wire 6 to be discharged, make it difficult to discharge the alloy, and affect the subsequent support and fixing operation of the alloy fine wire 6 after cutting, thereby reducing the cutting efficiency of the alloy fine wire 6.

[0064] Working principle: turn on the second motor 41, the second motor 41 drives the screw rod 42 to rotate synchronously, the screw rod 42 is threadedly connected with the moving plate 43, so that the moving plate 43 slides in the fixed plate, the moving plate 43 drives the upper cutter 44 to descend, the moving plate 43 drives the upper cutter 44 and the limiting plate 451 to descend synchronously, the limiting plate 451 drives the tooth groove 452 to descend, the tooth groove 452 descends and contacts the first gear 52, the tooth groove 452 drives the limiting teeth 521 on the first gear 52 to move, so that the first gear 52 rotates, the rotating teeth 522 on the first gear 52 and the tooth groove 452 are in mesh, and the limiting teeth 521 are out of the limiting between the limiting plate 451, the first gear 52 drives the rotating plate 53 to rotate synchronously and stretch the spring telescopic rod 56, the rotating plate 53 drives the clamping plate 55 to rotate synchronously, so that the clamping plate 55 rotates from the inclined state to the transverse state, then the alloy fine wire 6 passes through the positioning wheel 2 and passes between the driving wheel 32 and the driven wheel 33, turn on the first motor 31, the first motor 31 drives the driving wheel 32 to rotate, the driving wheel 32 and the driven wheel 33 are tangent and drive the driven wheel 33 to rotate synchronously, so that the alloy fine wire 6 moves to the clamping plate 55 for support operation;

[0065] Subsequently, the limiting plate 451 continues to descend, so that the limiting teeth 521 and one side of the limiting plate 451 are in contact with and matched with the limiting plate 451, so that the first gear 52 performs the limiting operation, at this time, one end of the rack 54 and one side of the limiting plate 451 are in contact, the moving plate 43 continues to descend and synchronously drives the magnetic block 454 to descend, the magnetic block 454 and the magnetic wedge block 533 are in contact and generate magnetic repulsion, so that the magnetic wedge block 533 extrudes the second spring 534 and slides to the inner side of the rotating plate 53, at this time, the limiting rod 535 slides downward on the inclined surface of the magnetic wedge block 533, so that the limiting rod 535 is separated from the limiting hole 542, that is, it can contact the limiting rack 54, the moving plate 43 continues to descend, and then the convex block 453 and the rack 54 are in contact, the inclined surface of the convex block 453 extrudes the rack 54, so that the rack 54 extrudes the first spring 532 and slides on the fixed rod 531, the rack 54 slides and is in mesh with one of the second gears 551, so that one of the second gears 551 rotates, the two second gears 551 are in mesh with each other, that is, the two second gears 551 can drive the two clamping plates 55 to rotate towards the surface of the alloy fine wire 6 at the center, and the two clamping plates 55 can clamp and fix the alloy fine wire 6 between them;

[0066] Finally, the upper cutter 44 descends, and the upper cutter 44 and the lower cutter 57 are staggered, so that the alloy fine wire 6 can be cut, after cutting, the rotating plate 53 is reset, the spring telescopic rod 56 drives the rotating plate 53 to reset, the rotating plate 53 drives the clamping plate 55 to become inclined, and at this time, the magnetic wedge block 533 drives the limiting rod 535 into the limiting hole 542, and limits the rack 54, and then the cut alloy fine wire 6 can slide downward by gravity to discharge.

[0067] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An alloy precision wire cutting device, characterized in that: The device includes a fixed frame (1), on which a plurality of positioning wheels (2) are rotatably arranged, and alloy wire (6) is arranged between the plurality of positioning wheels (2). The fixed frame (1) is provided with a conveying component (3), a cutting component (4) and a supporting component (5). The supporting component (5) fixes and supports the alloy wire (6), and the cutting component (4) cuts the alloy wire (6). The cutting assembly (4) includes a movable plate (43) slidably connected to the fixed frame (1), an upper cutter (44) fixedly connected below the movable plate (43), and a driving assembly (45) also provided below the movable plate (43). The support assembly (5) includes a support plate (51) fixedly connected to the fixed frame (1), a lower cutter (57) fixedly connected to the support plate (51), a rotating plate (53) rotatably connected to the support plate (51), and a clamping plate (55) rotatably connected to the rotating plate (53). The moving plate (43) drives the drive assembly (45) to descend, and the drive assembly (45) drives the rotating plate (53) and the clamping plate (55) to rotate and support the alloy wire (6). Then, the drive assembly (45) drives the clamping plate (55) to rotate again and fix the alloy wire (6). The drive assembly (45) includes a limiting plate (451) fixedly connected to the lower surface of the moving plate (43). The limiting plate (451) is provided with a plurality of tooth grooves (452). The rotating end of the rotating plate (53) is fixedly connected to a first gear (52). The first gear (52) includes a limiting tooth (521). A plurality of rotating teeth (522) are provided on one side of the limiting tooth (521). The tooth grooves (452) and the rotating teeth (522) mesh with each other. One side of the limiting tooth (521) and one side of the limiting plate (451) are in contact with each other. A protrusion (453) is provided on one side of the tooth groove (452). The protrusion (453) and the limiting plate (451) are fixedly connected. A rack (54) is slidably connected inside the rotating plate (53). A second gear (551) is fixedly connected to the rotating end of the clamping plate (55). One of the second gears (551) meshes with the rack (54), and the two second gears (551) mesh with each other. A first spring (532) is fixedly connected between the rack (54) and the rotating plate (53), and one end of the rack (54) is provided with an arc shape.

2. The alloy precision wire cutting equipment according to claim 1, characterized in that: The conveying assembly (3) includes a first motor (31) fixedly connected to the back of the fixed frame (1). The output end of the first motor (31) is fixedly connected to a drive wheel (32). A driven wheel (33) is provided on one side of the drive wheel (32). The driven wheel (33) is rotatably connected inside the fixed frame (1).

3. The alloy precision wire cutting equipment according to claim 1, characterized in that: The cutting assembly (4) also includes a second motor (41) fixedly connected to one side of the fixed frame (1). The output end of the second motor (41) is fixedly connected to a lead screw (42). The lead screw (42) is rotatably connected to the back of the fixed frame (1). The lead screw (42) and the interior of the moving plate (43) are connected by threads.

4. The alloy precision wire cutting equipment according to claim 1, characterized in that: The rack (54) has a groove (541) inside, and a magnetic block (454) is provided on one side of the protrusion (453). The magnetic block (454) and the surface of the limiting plate (451) are fixedly connected, and the size of the magnetic block (454) and the groove (541) are matched.

5. The alloy precision wire cutting equipment according to claim 4, characterized in that: A magnetic wedge (533) is slidably connected inside the rotating plate (53). The magnetic wedge (533) and the rotating plate (53) are fixedly connected by a second spring (534). The magnetism of the magnetic wedge (533) and the magnetism of the magnetic block (454) repel each other.

6. The alloy precision wire cutting equipment according to claim 5, characterized in that: A limiting rod (535) is provided on one side of the magnetic block (454). The limiting rod (535) is slidably connected to one side of the rotating plate (53). One end of the limiting rod (535) is in contact with the surface of the magnetic wedge (533). A limiting hole (542) is provided below the rack (54). The size of the limiting hole (542) matches the size of the limiting rod (535).

7. The alloy precision wire cutting equipment according to claim 1, characterized in that: A spring telescopic rod (56) is provided between the rotating plate (53) and the support plate (51). The fixed end of the spring telescopic rod (56) is rotatably connected to the support plate (51), and the telescopic end of the spring telescopic rod (56) is rotatably connected to the rotating plate (53).

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