A metal wire straightening device and a production method of a battery current collector

Abstract

The present invention discloses a metal wire straightening device and a production method of a battery current collector, which relates to the field of wire straightening, and includes an unwinding assembly, a traction assembly, two groups of straightening assemblies and an inclined straightening assembly. A storage assembly is arranged on one side of the straightening assembly, and a cutting assembly is arranged between the straightening assembly and the storage assembly. The storage assembly includes a placement unit, and the placement unit includes a placement plate. A storage groove is formed on the storage plate, and the placement plate can rotate. The storage assembly further includes a storage unit, and the storage unit can move horizontally. The storage unit includes a plurality of storage plates and fixing blocks, and one surface of the fixing block is inclined. The metal wire will not bend due to its own weight, which ensures the straightening accuracy of the metal wire, prevents it from bending again, will not cause damage to the metal wire due to displacement and friction during the movement of the metal wire, improves the quality of the metal wire, and will not cause it to bend again due to the jolting and impact of the metal wire during the transmission process.

Description

Technical Field

[0001] The present invention relates to the field of wire straightening, and particularly to a metal wire straightening device and a production method of a battery current collector. Background Art

[0002] The wire is extruded by straightening rollers to change its straightness. This method is applicable to various metal wires, such as steel wires, iron wires, copper wires, etc. In a battery, the current collector is a key component connecting the electrode material and the external circuit, mainly used for collecting and conducting current to ensure the smooth progress of the electrochemical reaction inside the battery. In the production process of the battery current collector, wire straightening is an important process step, aiming to correct the bending and twisting of the wire and ensure the flatness and straightness of the current collector to improve the performance and safety of the battery.

[0003] Chinese Patent Application CN109248974A discloses a wire straightening device, including a horizontally arranged long strip rectangular bracket. Along the length direction of the long strip rectangular bracket, a vertical wire guiding roller group and a horizontal wire guiding roller group are respectively arranged. The vertical wire guiding roller group includes a plurality of first wire guiding roller wheels arranged on the side surface of the long strip rectangular bracket. A vertical adjustment bracket is arranged on the top surface of the long strip rectangular bracket, and a plurality of second wire guiding roller wheels are arranged on the side surface of the vertical adjustment bracket. The first wire guiding roller wheels and the second wire guiding roller wheels are arranged with cross gaps, and the wire can be straightened from multiple directions, improving the straightening effect and being beneficial to subsequent processing;

[0004] Chinese Patent Application CN111390061A discloses a metal wire straightening device, including a workbench. A feeding device is arranged on the right side of the workbench. On the upper surface of the workbench from right to left, there are a wire locking device, a first straightening roller wheel device, a wire guiding and grinding device, a second straightening roller wheel device, and a third straightening roller wheel device. The feeding port of the wire locking device is located on the left side of the discharging port of the feeding device, and a traction device is arranged on the right wall of the wire locking device; it has a high degree of automation, high work efficiency, good straightening effect, and has good market application value;

[0005] The following defects also exist in the above patents and the prior art:

[0006] After the existing straightening equipment straightens the metal wire, it is necessary to cut the metal wire to a fixed length. During this process, the straightened metal wire will bend downward at the end due to gravity, resulting in the metal wire bending again. At the same time, for the metal wires used in high-end equipment, there are relatively high requirements for quality. For example, for the copper needles used in battery current collectors, after the metal wire is straightened, it needs to be transported to the next processing equipment. During this process, the metal wires are prone to collide with each other, resulting in surface wear and re-bending, affecting the quality of the metal wire.

[0007] Therefore, the present application provides a metal wire straightening device and a production method of a battery current collector to meet the requirements. Summary of the Invention

[0008] The purpose of the present application is to provide a metal wire straightening device and a production method of a battery current collector. The straightened metal wire is first stored through a placement plate, cut off when reaching the specified length, and supported by the placement plate when the metal wire is not cut off. The metal wire will not bend due to its own weight, ensuring the straightening accuracy of the metal wire and preventing it from bending again. The cut metal wire enters the storage groove on the storage plate for storage. When the storage grooves of one storage plate are filled with metal wires, another storage plate is pushed from the vertical state to the horizontal state, and the two storage plates are abutted against each other to protect the metal wires in the storage grooves, preventing damage caused by displacement and friction of the metal wires during movement, improving the quality of the metal wires, and preventing them from bending again due to bumps and impacts during the transmission process.

[0009] To achieve the above purpose, the present application provides the following technical solutions: A metal wire straightening device includes a wire unwinding component, a traction component, two groups of straightening components, and an inclined straightening component. A storage component is arranged on one side of the straightening component, and a cutting component is arranged between the straightening component and the storage component;

[0010] The storage component includes a placement unit, the placement unit includes a placement plate, a placement groove is opened on the placement plate, and the placement plate can rotate;

[0011] The storage component further includes a storage unit, the storage unit can move horizontally, the storage unit includes a plurality of storage plates and fixing blocks, one side of the fixing block is inclined, and a plurality of the storage plates are rotatably connected to the inclined surface of the fixing block. A plurality of storage grooves are opened on both sides of the storage plate;

[0012] The storage component further includes a pushing unit, and the pushing unit can sequentially push a plurality of the storage plates from the vertical state to the horizontal state.

[0013] Preferably, the storage unit further includes a plurality of push rods, the push rods are fixedly installed on one side of the storage plate, the pushing unit includes a pushing block, the end of the pushing block is inclined, and the pushing block can push the push rods to move when moving horizontally.

[0014] Preferably, the storage unit further includes a rotating shaft and a support block. The support block is fixedly installed on the fixed block. The rotating shaft is fixedly installed on the storage plate. The rotating shaft is rotatably connected to the support block. A limiting component is connected between the rotating shaft and the support block. The limiting component includes a limiting spring, a limiting ring and a limiting ball. A pressing groove is formed on the rotating shaft. One end of the limiting spring is fixedly installed at the bottom of the pressing groove. The limiting ball is arranged in the pressing groove. One end of the limiting spring abuts against the limiting ball. The limiting ring is sleeved on the rotating shaft. The limiting ring is fixedly installed on the fixed block. Two release grooves are formed on the inner wall of the limiting ring. When the storage plate is in a vertical state, the limiting ball is located in one release groove. When the storage plate is in a horizontal state, the limiting ball is located in the other release groove.

[0015] Preferably, the pushing unit further includes a pushing cylinder, a connecting plate and a lifting cylinder. The connecting plate is fixedly installed at the output end of the lifting cylinder. The pushing cylinder is fixedly installed on the connecting plate. The pushing block is fixedly installed at the output end of the pushing cylinder.

[0016] Preferably, the storage component further includes a storage table and a translation unit. The translation unit includes a translation plate, a translation block, a translation screw, a translation motor and a stabilizing block. The translation motor is fixedly installed on the storage table. The translation plate is slidably matched with the storage table. The translation screw is fixedly installed at the output end of the translation motor. The translation block is fixedly installed on the translation plate. The translation block is sleeved on the translation screw and is threadedly connected to the translation screw. The stabilizing block is fixedly installed on the translation plate. A stabilizing groove is formed on the fixed block. The stabilizing block is matched with the stabilizing groove. The lifting cylinder is fixedly installed on the translation plate.

[0017] Preferably, the placing unit further includes a support frame, a connecting cylinder and a rotating rod. The support frame is fixedly installed on the storage table. The rotating rod is fixedly installed on the support frame. The placing plate is rotatably connected to the rotating rod. One end of the connecting cylinder is fixedly installed on the support frame. The other end of the connecting cylinder is rotatably connected to the placing plate.

[0018] Preferably, a guiding component is arranged on the storage table. The guiding component includes a guiding frame, a lifting frame and a moving cylinder. The top of the guiding frame is flared. The top of the guiding frame is arranged below the placing plate. The lifting frame is slidably matched with the guiding frame. The moving cylinder is fixedly installed on the guiding frame. The output end of the moving cylinder is fixedly installed on the lifting frame.

[0019] Preferably, the unwinding assembly includes a fixed frame and an unwinding frame, the unwinding frame is rotatably connected to the fixed frame, the traction assembly includes a traction motor and two traction wheels, the traction wheels are fixedly installed at the output end of the traction motor, the inclined straightening assembly includes a straightening shell and a plurality of inclined wheels, the inclined wheels are rotatably connected in the straightening shell and are inclinedly arranged, and the linear straightening assembly includes a plurality of straightening wheels and a straightening frame, and the plurality of straightening wheels are rotatably connected to the straightening frame.

[0020] Preferably, the cutting assembly comprises a fixed cylinder, a cutting cylinder, a cutting frame and a cutting knife, the fixed cylinder is fixedly mounted on the cutting frame, the cutting cylinder is fixedly mounted on the cutting frame, and the cutting knife is fixedly mounted on the output end of the cutting cylinder.

[0021] A method for producing a battery current collector, using the above-mentioned metal wire straightening device, comprises the following steps:

[0022] The unwinding assembly unwinds the metal wire, the metal wire is pulled by the pulling assembly, and the inclined straightening assembly and the straight straightening assembly straighten the metal wire;

[0023] The metal wire moves into the placement slot of the placement plate, and when the metal wire on the placement plate reaches a specified length, the cutting component cuts the metal wire;

[0024] The placement plate rotates to move the metal wire into the storage slot of the corresponding storage plate, and then the storage unit moves horizontally to move the next metal wire into the next storage slot;

[0025] When the storage slots on the corresponding storage plates are all filled with metal wires, the pushing unit rotates the next storage plate to a horizontal state, and moves the metal wires into the storage slots on the next storage plate.

[0026] In summary, the technical effects and advantages of the present invention are as follows:

[0027] 1. In the present invention, the straightened metal wire is first stored on a placement plate and cut after reaching a specified length. When the metal wire is not cut, it is supported by the placement plate, and the metal wire will not bend due to its own weight, thereby ensuring the straightening accuracy of the metal wire and preventing it from bending again. The cut metal wire enters the storage groove on the storage plate for storage. When the storage groove of one storage plate is full of metal wires, the other storage plate is pushed from a vertical state to a horizontal state. The two storage plates are abutted against each other to protect the metal wire in the storage groove. When the metal wire is moved, it will not be damaged due to displacement and friction between the metal wires, thereby improving the quality of the metal wire, and will not bend again due to bumps and collisions of the metal wire during transmission;

[0028] 2. In the present invention, the push rod drives the storage plate to rotate, the storage plate drives the rotating shaft to rotate, the rotating shaft drives the limit ball to rotate, and the limit ball presses the limit spring and moves into the limit groove. When the storage plate rotates to the horizontal state, the limit spring pushes the limit ball into the release groove, so that the storage plate will not rotate from the vertical state to the horizontal state due to its own weight and shaking without external force pushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0030] Figure 1 is one of the three-dimensional structure diagrams of the present invention;

[0031] Figure 2 is the second of the three-dimensional structure diagrams of the present invention;

[0032] Figure 3 is the third of the three-dimensional structure diagrams of the present invention;

[0033] Figure 4 is of the present invention Figure 3 the enlarged view of part A;

[0034] Figure 5 is the fourth of the three-dimensional structure diagrams of the present invention;

[0035] Figure 6 is of the present invention Figure 5 the enlarged view of part B;

[0036] Figure 7 is of the present invention Figure 5 the enlarged view of part C;

[0037] Figure 8 is the fifth of the three-dimensional structure diagrams of the present invention;

[0038] Figure 9 is of the present invention Figure 8 the enlarged view of part D.

[0039] In the figure: 1. Unwinding component; 11. Fixed frame; 12. Unwinding rack; 2. Traction component; 3. Linear straightening component; 31. Straightening wheel; 32. Straightening frame; 4. Inclined straightening component; 41. Straightening shell; 42. Inclined wheel; 5. Storage component; 51. Placing unit; 511. Placing plate; 512. Support frame; 513. Connecting cylinder; 52. Storage unit; 521. Storage plate; 522. Fixed block; 523. Push rod; 524. Rotating shaft; 525. Support block; 53. Pushing unit; 531. Pushing block; 532. Pushing cylinder; 533. Lifting cylinder; 54. Storage table; 55. Translating unit; 551. Translating plate; 552. Translating block; 553. Translating screw; 554. Translating motor; 555. Stabilizing block; 6. Limiting component; 61. Limiting spring; 62. Limiting ring; 63. Limiting ball; 7. Guiding component; 71. Guiding frame; 72. Lifting frame; 73. Moving cylinder; 8. Cutting component; 81. Fixed cylinder; 82. Cutting cylinder; 83. Cutting knife. Detailed implementation mode

[0040] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0041] Embodiment 1: Refer to Figures 1-9 A metal wire straightening device shown in the figure, including an unwinding component 1, a traction component 2, two groups of linear straightening components 3 and an inclined straightening component 4. A storage component 5 is arranged on one side of the linear straightening component 3, and a cutting component 8 is arranged between the linear straightening component 3 and the storage component 5;

[0042] The storage component 5 includes a placing unit 51. The placing unit 51 includes a placing plate 511. A placing groove is formed on the placing plate 511, and the placing plate 511 can rotate;

[0043] The storage component 5 further includes a storage unit 52. The storage unit 52 can move horizontally. The storage unit 52 includes a plurality of storage plates 521 and fixed blocks 522. One side of the fixed block 522 is inclined. A plurality of storage plates 521 are rotatably connected to the inclined surface of the fixed block 522. A plurality of storage grooves are formed on both sides of the storage plate 521;

[0044] The storage component 5 further includes a pushing unit 53. The pushing unit 53 can sequentially push a plurality of storage plates 521 from a vertical state to a horizontal state.

[0045] The unwinding component 1 unwinds the metal wire, and the metal wire is pulled by the pulling component 2. The inclined straightening component 4 and the straight straightening component 3 straighten the metal wire, and the metal wire is moved to the placement groove of the placement plate 511. When the metal wire on the placement plate 511 reaches the specified length, the cutting component 8 cuts the metal wire, and the placement plate 511 rotates to move the metal wire to the storage groove of the corresponding storage plate 521. Then the storage unit 52 moves horizontally to move the next metal wire to the next storage groove. When the storage grooves on the corresponding storage plates 521 all have metal wires, the pushing unit 53 rotates the next storage plate 521 to a horizontal state, and moves the metal wire to the storage groove on the next storage plate 521.

[0046] The straightened metal wire is first stored on the placement plate 511 and cut after reaching the specified length. When the metal wire is not cut, it is supported by the placement plate 511, and the metal wire will not bend due to its own weight, thereby ensuring the straightening accuracy of the metal wire and preventing it from bending again. The cut metal wire enters the storage groove on the storage plate 521 for storage. When the storage groove of one storage plate 521 is full of metal wires, the other storage plate 521 is pushed from a vertical state to a horizontal state. The two storage plates 521 are abutted against each other to protect the metal wire in the storage groove. When the metal wire is moved, it will not be damaged due to displacement and friction between the metal wires, thereby improving the quality of the metal wire and preventing it from bending again due to bumps and collisions during transmission.

[0047] Example 2, reference Figures 1-9 As shown, the difference from the above embodiment is that the storage unit 52 also includes a plurality of pushing rods 523, and the pushing rods 523 are fixedly installed on one side of the storage plate 521. The pushing unit 53 includes a pushing block 531, and the end of the pushing block 531 is inclined. When the pushing block 531 moves horizontally, it can push the pushing rod 523 to move.

[0048] The pushing block 531 moves horizontally to abut against the pushing rod 523 , and the pushing rod 523 drives the storage plate 521 to rotate, pushing the storage plate 521 from a vertical state to a horizontal state.

[0049] Example 3, reference Figures 1-9As shown, different from the above embodiments, the storage unit 52 further includes a rotating shaft 524 and a support block 525. The support block 525 is fixedly installed on the fixed block 522. The rotating shaft 524 is fixedly installed on the storage plate 521. The rotating shaft 524 is rotatably connected to the support block 525. A limiting component 6 is connected between the rotating shaft 524 and the support block 525. The limiting component 6 includes a limiting spring 61, a limiting ring 62 and a limiting ball 63. A pressing groove is formed on the rotating shaft 524. One end of the limiting spring 61 is fixedly installed at the bottom of the pressing groove. The limiting ball 63 is arranged in the pressing groove. One end of the limiting spring 61 abuts against the limiting ball 63. The limiting ring 62 is sleeved on the rotating shaft 524. The limiting ring 62 is fixedly installed on the fixed block 522. Two release grooves are formed on the inner wall of the limiting ring 62. When the storage plate 521 is in the vertical state, the limiting ball 63 is located in one release groove. When the storage plate 521 is in the horizontal state, the limiting ball 63 is located in the other release groove.

[0050] The push rod 523 drives the storage plate 521 to rotate. The storage plate 521 drives the rotating shaft 524 to rotate. The rotating shaft 524 drives the limiting ball 63 to rotate. The limiting ball 63 compresses the limiting spring 61 and moves into the limiting groove. When the storage plate 521 rotates to the horizontal state, the limiting spring 61 pushes the limiting ball 63 into the release groove, so that the storage plate 521 will not rotate from the vertical state to the horizontal state due to its own weight and shaking without external force pushing.

[0051] Embodiment 4, refer to Figures 1-9 As shown, different from the above embodiments, the pushing unit 53 further includes a pushing cylinder 532, a connecting plate and a lifting cylinder 533. The connecting plate is fixedly installed at the output end of the lifting cylinder 533. The pushing cylinder 532 is fixedly installed on the connecting plate. The pushing block 531 is fixedly installed at the output end of the pushing cylinder 532.

[0052] The pushing cylinder 532 drives the pushing block 531 to move horizontally. After one storage plate 521 rotates from the vertical state to the horizontal state, the lifting cylinder 533 drives the pushing cylinder 532 to move, so that the pushing cylinder 532 corresponds to another storage plate 521, thereby sequentially rotating the storage plates 521 from the vertical state to the horizontal state.

[0053] Embodiment 5, refer to Figures 1-9As shown in the figure, the difference from the above embodiment is that the storage component 5 further includes a storage table 54 and a translation unit 55. The translation unit 55 includes a translation plate 551, a translation block 552, a translation screw 553, a translation motor 554, and a stabilizing block 555. The translation motor 554 is fixedly installed on the storage table 54. The translation plate 551 is slidably fitted on the storage table 54. The translation screw 553 is fixedly installed at the output end of the translation motor 554. The translation block 552 is fixedly installed on the translation plate 551. The translation block 552 is sleeved on the translation screw 553 and is threadedly connected to the translation screw 553. The stabilizing block 555 is fixedly installed on the translation plate 551. A stabilizing groove is formed in the fixing block 522. The stabilizing block 555 is matched with the stabilizing groove. The lifting cylinder 533 is fixedly installed on the translation plate 551.

[0054] When the metal wire enters a storage slot, the translation motor 554 drives the translation screw 553 to rotate. The translation block 552 moves on the translation screw 553. The translation block 552 drives the translation plate 551 to move. The translation plate 551 drives the stabilizing block 555 to move. The stabilizing block 555 drives the storage plate 521 to move, so that the next storage slot on the storage plate 521 moves to the falling position of the metal wire.

[0055] The stabilizing block 555 is inserted into the stabilizing groove of the fixing block 522, making the fixing block 522 and the storage plate 521 more stable, and the vertically placed storage plate 521 will not tip over.

[0056] Example 6, refer to Figures 1-9 As shown in the figure, the difference from the above embodiment is that the placing unit 51 further includes a support frame 512, a connecting cylinder 513, and a rotating rod. The support frame 512 is fixedly installed on the storage table 54. The rotating rod is fixedly installed on the support frame 512. The placing plate 511 is rotatably connected to the rotating rod. One end of the connecting cylinder 513 is fixedly installed on the support frame 512, and the other end of the connecting cylinder 513 is rotatably connected to the placing plate 511.

[0057] The connecting cylinder 513 drives the placing plate 511 to rotate on the rotating rod, causing the metal wire in the placing slot to fall.

[0058] Example 7, refer to Figures 1-9 As shown in the figure, the difference from the above embodiment is that a guiding component 7 is provided on the storage table 54. The guiding component 7 includes a guiding frame 71, a lifting frame 72, and a moving cylinder 73. The top of the guiding frame 71 is flared. The top of the guiding frame 71 is arranged below the placing plate 511. The lifting frame 72 is slidably fitted in the guiding frame 71. The moving cylinder 73 is fixedly installed on the guiding frame 71, and the output end of the moving cylinder 73 is fixedly installed on the lifting frame 72.

[0059] The metal wire on the placement plate 511 drops into the guiding frame 71 and accurately drops into the storage groove on the storage plate 521 through the lifting frame 72. When the height of the horizontal storage plate 521 increases, the moving cylinder 73 drives the lifting frame 72 to move upward, so that the lifting frame 72 is always located above the storage plate 521.

[0060] Example 8, refer to Figures 1-9 As shown, different from the above embodiment, the unwinding assembly 1 includes a fixing frame 11 and an unwinding frame 12. The unwinding frame 12 is rotatably connected to the fixing frame 11. The traction assembly 2 includes a traction motor and two traction wheels. The traction wheels are fixedly installed at the output end of the traction motor. The inclined straightening assembly 4 includes a straightening shell 41 and a plurality of inclined wheels 42. The inclined wheels 42 are rotatably connected in the straightening shell 41 and are inclined. The straight-line straightening assembly 3 includes a plurality of straightening wheels 31 and a straightening frame 32. The plurality of straightening wheels 31 are rotatably connected to the straightening frame 32.

[0061] Place the metal wire coil on the unwinding frame 12. The traction motor drives the traction wheels to rotate to traction the metal wire. The unwinding frame 12 rotates on the fixing frame 11. The inclined wheels 42 and the straightening wheels 31 extrude the metal wire in different directions to straighten the metal wire.

[0062] The traction wheels are of the prior art and are not shown in the figure.

[0063] Example 9, refer to Figures 1-9 As shown, different from the above embodiment, the cutting assembly 8 includes a fixing cylinder 81, a cutting cylinder 82, a cutting frame and a cutting knife 83. The fixing cylinder 81 is fixedly installed on the cutting frame. The cutting cylinder 82 is fixedly installed on the cutting frame. The cutting knife 83 is fixedly installed at the output end of the cutting cylinder 82.

[0064] The cutting cylinder 82 drives the cutting knife 83 to move, and the cutting knife 83 cuts the metal wire.

[0065] A production method of a battery current collector uses the above metal wire straightening equipment and includes the following steps:

[0066] The unwinding assembly 1 unwinds the metal wire. The metal wire is tractioned through the traction assembly 2, and the inclined straightening assembly 4 and the straight-line straightening assembly 3 straighten the metal wire;

[0067] The metal wire moves to the placement groove of the placement plate 511. When the metal wire on the placement plate 511 reaches the specified length, the cutting assembly 8 cuts the metal wire;

[0068] The placement plate 511 rotates to move the metal wire to the storage groove of the corresponding storage plate 521. Then the storage unit 52 moves horizontally to move the next metal wire to the next storage groove;

[0069] After the storage grooves on the corresponding storage plate 521 are all filled with metal wires, the pushing unit 53 rotates the next storage plate 521 to the horizontal state and moves the metal wires into the storage grooves on the next storage plate 521.

[0070] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A metal wire straightening device, comprising an unwinding assembly, a traction assembly, two groups of straightening assemblies and an inclined straightening assembly, characterized in that: One side of the straightening component is provided with a storage component, and a cutting component is arranged between the straightening component and the storage component; The storage component includes a placement unit, the placement unit includes a placement plate, a placement groove is formed in the placement plate, and the placement plate can rotate; The storage component further includes a storage unit, the storage unit can move horizontally, the storage unit includes a plurality of storage plates and fixing blocks, one side of the fixing block is inclined, and a plurality of the storage plates are rotatably connected to the inclined surface of the fixing block, and a plurality of storage grooves are formed on both sides of the storage plate; The storage component further includes a pushing unit, and the pushing unit can sequentially push a plurality of the storage plates from a vertical state to a horizontal state; The storage unit further includes a plurality of push rods, the push rods are fixedly installed on one side of the storage plate, the pushing unit includes a pushing block, the end of the pushing block is inclined, and the pushing block can push the push rods to move when moving horizontally; The storage unit further includes a rotating shaft and a support block, the support block is fixedly installed on the fixing block, the rotating shaft is fixedly installed on the storage plate, the rotating shaft is rotatably connected to the support block, and a limiting component is connected between the rotating shaft and the support block, the limiting component includes a limiting spring, a limiting ring and a limiting ball, a pressing groove is formed in the rotating shaft, one end of the limiting spring is fixedly installed at the bottom of the pressing groove, the limiting ball is arranged in the pressing groove, one end of the limiting spring abuts against the limiting ball, the limiting ring is sleeved on the rotating shaft, the limiting ring is fixedly installed on the fixing block, and two release grooves are formed on the inner wall of the limiting ring. When the storage plate is in a vertical state, the limiting ball is located in one release groove, and when the storage plate is in a horizontal state, the limiting ball is located in the other release groove; The storage component further includes a storage table and a translation unit, the translation unit includes a translation plate, a translation block, a translation screw, a translation motor and a stabilizing block, the translation motor is fixedly installed on the storage table, the translation plate is slidably matched with the storage table, the translation screw is fixedly installed at the output end of the translation motor, the translation block is fixedly installed on the translation plate, the translation block is sleeved on the translation screw and is in threaded connection with the translation screw, the stabilizing block is fixedly installed on the translation plate, and a stabilizing groove is formed in the fixing block, and the stabilizing block is matched with the stabilizing groove.

2. The straightening device for metal wire according to claim 1, wherein: The pushing unit further includes a pushing cylinder, a connecting plate and a lifting cylinder, the connecting plate is fixedly installed at the output end of the lifting cylinder, the pushing cylinder is fixedly installed on the connecting plate, and the pushing block is fixedly installed at the output end of the pushing cylinder.

3. A metal wire straightening device according to claim 2, characterized in that: The lifting cylinder is fixedly installed on the translation plate.

4. The straightening device for metal wire according to claim 3, characterized in that: The placement unit further includes a support frame, a connecting cylinder, and a rotating rod. The support frame is fixedly installed on the storage table, the rotating rod is fixedly installed on the support frame, the placement plate is rotatably connected to the rotating rod, one end of the connecting cylinder is fixedly installed on the support frame, and the other end of the connecting cylinder is rotatably connected to the placement plate.

5. The straightening device for metal wire according to claim 3, wherein: A guiding assembly is provided on the storage table. The guiding assembly includes a guiding frame, a lifting frame, and a moving cylinder. The top of the guiding frame is flared, the top of the guiding frame is arranged below the placement plate, the lifting frame is slidably fitted in the guiding frame, the moving cylinder is fixedly installed on the guiding frame, and the output end of the moving cylinder is fixedly installed on the lifting frame.

6. The straightening device for metal wire according to claim 1, wherein: The unwinding assembly includes a fixed frame and an unwinding frame. The unwinding frame is rotatably connected to the fixed frame. The traction assembly includes a traction motor and two traction wheels. The traction wheels are fixedly installed at the output end of the traction motor. The inclined straightening assembly includes a straightening shell and a plurality of inclined wheels. The inclined wheels are rotatably connected in the straightening shell and are arranged obliquely. The straight-line straightening assembly includes a plurality of straightening wheels and a straightening frame. The plurality of straightening wheels are rotatably connected to the straightening frame.

7. A metal wire straightening device according to claim 1, characterized in that: The cutting assembly includes a fixed cylinder, a cutting cylinder, a cutting frame, and a cutting knife. The fixed cylinder is fixedly installed on the cutting frame, the cutting cylinder is fixedly installed on the cutting frame, and the cutting knife is fixedly installed at the output end of the cutting cylinder.

8. A production method of a battery current collector, which uses the metal wire straightening device described in any one of claims 1-7, is characterized in that: It includes the following steps: The unwinding assembly unwinds the metal wire, the metal wire is tractioned by the traction assembly, and the inclined straightening assembly and the straight-line straightening assembly straighten the metal wire. The metal wire moves into the placement groove of the placement plate. When the metal wire on the placement plate reaches the specified length, the cutting assembly cuts the metal wire. The placement plate rotates to move the metal wire into the storage groove of the corresponding storage plate. Then the storage unit moves horizontally to move the next metal wire into the next storage groove. When the storage grooves on the corresponding storage plates all have metal wires, the pushing unit rotates the next storage plate to the horizontal state and moves the metal wire into the storage groove of the next storage plate.

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