Metal wire straightening equipment and production method of battery current collector

Abstract

The invention discloses metal wire straightening equipment and a production method of a battery current collector, and relates to the field of wire straightening, the metal wire straightening equipment comprises an unwinding assembly, a traction assembly, two linear straightening assemblies and an inclined straightening assembly, one side of each linear straightening assembly is provided with a storage assembly, and a cutting assembly is arranged between each linear straightening assembly and the corresponding storage assembly; the storage assembly comprises a placing unit, the placing unit comprises a placing plate, a storage groove is formed in the storage plate, the placing plate can rotate, the storage assembly further comprises a storage unit, the storage unit can move horizontally, the storage unit comprises a plurality of storage plates and a fixing block, and one face of the fixing block is obliquely arranged. The metal wire cannot be bent due to dead weight, straightening accuracy of the metal wire is guaranteed, re-bending is prevented, damage caused by mutual friction of the metal wire during movement of the metal wire is avoided, the quality of the metal wire is improved, and re-bending caused by bumping and impacting of the metal wire in the conveying process is avoided.

Description

Technical Field

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

[0002] The wire is squeezed by straightening rollers to change its straightness. This method is applicable to various metal wires, such as steel wire, iron wire, copper wire, etc. In batteries, the current collector is a key component connecting the electrode material and the external circuit. It is mainly used to collect and conduct current to ensure that the electrochemical reaction inside the battery can proceed smoothly. In the production process of battery current collectors, wire straightening is an important process step. Its purpose is 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, comprising a horizontally placed long rectangular bracket, wherein the long rectangular bracket is provided with a vertical line-aligning roller group and a horizontal line-aligning roller group respectively along the length direction, wherein the vertical line-aligning roller group comprises a plurality of first line-aligning rollers arranged on the side of the long rectangular bracket, wherein the top surface of the long rectangular bracket is provided with a vertical adjustment bracket, wherein the side surface of the vertical adjustment bracket is provided with a plurality of second line-aligning rollers, wherein the first line-aligning rollers and the second line-aligning rollers are arranged with a cross gap, and the wire can be straightened from multiple directions, thereby improving the straightening effect and facilitating subsequent processing; Chinese patent application CN111390061A discloses a metal wire straightening device, comprising a workbench, a feeding device is arranged on the right side of the workbench, a wire locking device, a first straightening roller device, a wire guiding and grinding device, a second straightening roller device and a third straightening roller device are arranged on the upper surface of the workbench from right to left, a 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; the device has high automation, high work efficiency, good straightening effect and good market application value; The above patents and prior art also have the following defects: After the existing straightening equipment straightens the metal wire, it needs to cut the metal wire into a fixed length. During this process, the straightened metal wire will bend downward at the end due to gravity, causing the metal wire to bend again. At the same time, high-end equipment has high requirements on the quality of the metal wires used. For example, the copper needles used in battery current collectors need to be transported to the next processing equipment after straightening. During this process, the metal wires are prone to collide with each other, resulting in surface wear and tear, which affects the quality of the metal wires.

[0004] Therefore, the present application provides a metal wire straightening device and a battery current collector production method to meet the needs. Summary of the invention

[0005] The purpose of the present application is to provide a metal wire straightening device and a production method for a battery current collector, wherein 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 so that 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 a 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 wires in the storage groove. When the metal wires are moved, the displacement of the metal wires will not cause damage caused by mutual friction, thereby improving the quality of the metal wires and preventing them from bending again due to bumps and collisions during transmission.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a metal wire straightening device, comprising an unwinding assembly, a pulling assembly, two sets of linear straightening assemblies and an inclined straightening assembly, a storage assembly is provided on one side of the linear straightening assembly, and a cutting assembly is provided between the linear straightening assembly and the storage assembly; The storage assembly includes a placement unit, the placement unit includes a placement plate, a placement slot is provided on the placement plate, and the placement plate can rotate; The storage assembly also includes a storage unit, which can move horizontally. The storage unit includes a plurality of storage plates and a fixed block. One side of the fixed block is inclined. The plurality of storage plates are rotatably connected to the inclined surface of the fixed block. Both sides of the storage plate are provided with a plurality of storage slots. The storage assembly further comprises a pushing unit, and the pushing unit can push a plurality of the storage plates from a vertical state to a horizontal state in sequence.

[0007] Preferably, the storage unit further comprises a plurality of push rods, wherein the push rods are fixedly mounted on one side of the storage plate, and the push unit comprises a push block, wherein the end of the push block is inclined, and the push block can push the push rod to move when it moves horizontally.

[0008] Preferably, the storage unit also includes a rotating shaft and a supporting block, the supporting block is fixedly mounted on the fixed block, the rotating shaft is fixedly mounted on the storage plate, the rotating shaft is rotatably connected to the supporting block, the rotating shaft and the supporting block are connected with a limiting assembly, the limiting assembly includes a limiting spring, a limiting ring and a limiting ball, the rotating shaft is provided with a clamping groove, one end of the limiting spring is fixedly mounted on the bottom of the clamping groove, the limiting ball is arranged in the clamping groove, one end of the limiting spring is abutted against the limiting ball, the limiting ring is sleeved on the rotating shaft, the limiting ring is fixedly mounted on the fixed block, two release grooves are provided 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.

[0009] Preferably, the pushing unit further includes a pushing cylinder, a connecting plate and a lifting cylinder, the connecting plate is fixedly mounted on the output end of the lifting cylinder, the pushing cylinder is fixedly mounted on the connecting plate, and the pushing block is fixedly mounted on the output end of the pushing cylinder.

[0010] Preferably, the storage assembly also 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 mounted on the storage table, the translation plate is slidably engaged on the storage table, the translation screw is fixedly mounted on the output end of the translation motor, the translation block is fixedly mounted on the translation plate, the translation block is sleeved on the translation screw and threadedly connected to the translation screw, the stabilizing block is fixedly mounted on the translation plate, a stabilizing groove is provided on the fixed block, the stabilizing block cooperates with the stabilizing groove, and the lifting cylinder is fixedly mounted on the translation plate.

[0011] Preferably, the placement unit also includes a support frame, a connecting cylinder and a rotating rod, the support frame is fixedly mounted on the storage table, the rotating rod is fixedly mounted on the support frame, the placement plate is rotatably connected to the rotating rod, one end of the connecting cylinder is fixedly mounted on the support frame, and the other end of the connecting cylinder is rotatably connected to the placement plate.

[0012] Preferably, a guide assembly is provided on the storage table, and the guide assembly includes a guide frame, a lifting frame and a movable cylinder. The top of the guide frame is flared, and the top of the guide frame is arranged below the placement plate. The lifting frame is slidably fitted in the guide frame, and the movable cylinder is fixedly mounted on the guide frame, and the output end of the movable cylinder is fixedly mounted on the lifting frame.

[0013] 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.

[0014] 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.

[0015] A method for producing a battery current collector, using the above-mentioned metal wire straightening device, comprises the following steps: 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; 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; 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; 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.

[0016] In summary, the technical effects and advantages of the present invention are as follows: 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; 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, the limit ball squeezes the limit spring and moves into the limit groove, when the storage plate rotates to a horizontal state, the limit spring pushes the limit ball into the release groove, so that the storage plate will not rotate from a vertical state to a horizontal state due to its own weight and shaking when there is no external force. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is one of the three-dimensional structural schematic diagrams of the present invention; Figure 2 This is the second schematic diagram of the three-dimensional structure of the present invention; Figure 3 This is the third schematic diagram of the three-dimensional structure of the present invention; Figure 4 For the present invention Figure 3 A magnified view of part A; Figure 5 This is the fourth schematic diagram of the three-dimensional structure of the present invention; Figure 6 For the present invention Figure 5 A magnified view of part B; Figure 7 For the present invention Figure 5 Enlarged view of part C; Figure 8 This is the fifth schematic diagram of the three-dimensional structure of the present invention; Fig. 9 For the present invention Figure 8 Enlarged view of part D.

[0019] In the figure: 1, unwinding assembly; 11, fixed frame; 12, unwinding frame; 2, traction assembly; 3, straightening assembly; 31, straightening wheel; 32, straightening frame; 4, inclined straightening assembly; 41, straightening shell; 42, inclined wheel; 5, storage assembly; 51, placement unit; 511, placement 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, push unit ;531, pushing block; 532, pushing cylinder; 533, lifting cylinder; 54, storage table; 55, translation unit; 551, translation plate; 552, translation block; 553, translation screw; 554, translation motor; 555, stabilizing block; 6, limiting assembly; 61, limiting spring; 62, limiting ring; 63, limiting ball; 7, guiding assembly; 71, guiding frame; 72, lifting frame; 73, moving cylinder; 8, cutting assembly; 81, fixing cylinder; 82, cutting cylinder; 83, cutting knife. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Example 1: Reference Figure 1-Figure 9 A metal wire straightening device shown includes an unwinding assembly 1, a pulling assembly 2, two sets of straightening assemblies 3 and an inclined straightening assembly 4, a storage assembly 5 is provided on one side of the straightening assembly 3, and a cutting assembly 8 is provided between the straightening assembly 3 and the storage assembly 5; The storage assembly 5 includes a placement unit 51, and the placement unit 51 includes a placement plate 511. The placement plate 511 is provided with a placement groove, and the placement plate 511 can rotate; The storage assembly 5 further includes a storage unit 52, which can move horizontally. The storage unit 52 includes a plurality of storage plates 521 and a fixed block 522. One side of the fixed block 522 is inclined. The plurality of storage plates 521 are rotatably connected to the inclined surface of the fixed block 522. Both sides of the storage plates 521 are provided with a plurality of storage slots. The storage assembly 5 further includes a pushing unit 53, which can push a plurality of storage plates 521 from a vertical state to a horizontal state in sequence.

[0022] 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.

[0023] 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.

[0024] Example 2, reference Figure 1-Figure 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.

[0025] 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.

[0026] Example 3, reference Figure 1-Figure 9 As shown, the difference from the above embodiment is that the storage unit 52 also includes a rotating shaft 524 and a support block 525, the support block 525 is fixedly mounted on the fixed block 522, the rotating shaft 524 is fixedly mounted on the storage plate 521, the rotating shaft 524 is rotatably connected to the support block 525, the rotating shaft 524 and the support block 525 are connected to a limiting assembly 6, the limiting assembly 6 includes a limiting spring 61, a limiting ring 62 and a limiting ball 63, a pressing groove is opened on the rotating shaft 524, and the limiting spring 61 is provided with a pressing groove. One end of the spring 61 is fixedly installed at the bottom of the clamping groove, and the limiting ball 63 is arranged in the clamping groove. One end of the limiting spring 61 is 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 provided on the inner wall of the limiting ring 62. When the storage plate 521 is in a vertical state, the limiting ball 63 is located in one release groove, and when the storage plate 521 is in a horizontal state, the limiting ball 63 is located in the other release groove.

[0027] The pushing 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 squeezes the limiting spring 61 and moves into the limiting groove, when the storage plate 521 rotates to a 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 a vertical state to a horizontal state due to its own weight and shaking when there is no external force.

[0028] Example 4, reference Figure 1-Figure 9 As shown, different from the above embodiment, the pushing unit 53 also includes a pushing cylinder 532, a connecting plate and a lifting cylinder 533, the connecting plate is fixedly installed on the output end of the lifting cylinder 533, the pushing cylinder 532 is fixedly installed on the connecting plate, and the pushing block 531 is fixedly installed on the output end of the pushing cylinder 532.

[0029] The pushing cylinder 532 drives the pushing block 531 to move horizontally. When one storage plate 521 rotates from a vertical state to a 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 rotating the storage plates 521 from a vertical state to a horizontal state in turn.

[0030] Example 5, reference Figure 1-Figure 9 As shown, the difference from the above embodiment is that the storage component 5 also 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 on 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 with the translation screw 553, the stabilizing block 555 is fixedly installed on the translation plate 551, a stabilizing groove is opened on the fixed block 522, the stabilizing block 555 cooperates with the stabilizing groove, and the lifting cylinder 533 is fixedly installed on the translation plate 551.

[0031] 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, and 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.

[0032] The stabilizing block 555 is inserted into the stabilizing groove of the fixing block 522 , so that the fixing block 522 and the storage plate 521 are more stable, and the storage plate 521 in a vertical state will not fall over.

[0033] Example 6, reference Figure 1-Figure 9 As shown, different from the above-mentioned embodiment, the placement unit 51 also 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 placement 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 placement plate 511.

[0034] The connecting cylinder 513 drives the placing plate 511 to rotate on the rotating rod, so that the metal wire in the placing groove falls.

[0035] Example 7, reference Figure 1-Figure 9 As shown, it is different from the above-mentioned embodiment in that a guide assembly 7 is provided on the storage table 54, and the guide assembly 7 includes a guide frame 71, a lifting frame 72 and a moving cylinder 73. The top of the guide frame 71 is flared, and the top of the guide frame 71 is set below the placement plate 511. The lifting frame 72 is slidably fitted in the guide frame 71, and the moving cylinder 73 is fixedly installed on the guide frame 71, and the output end of the moving cylinder 73 is fixedly installed on the lifting frame 72.

[0036] The metal wire on the placement plate 511 falls into the guide frame 71 and accurately falls into the storage groove on the storage plate 521 through the lifting frame 72. When the height of the storage plate 521 in a horizontal state 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.

[0037] Example 8, reference Figure 1-Figure 9 As shown, it is different from the above-mentioned embodiment in that the unwinding assembly 1 includes a fixed frame 11 and an unwinding frame 12, and the unwinding frame 12 is rotatably connected to the fixed frame 11, the traction assembly 2 includes a traction motor and two traction wheels, and 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, and the inclined wheels 42 are rotatably connected in the straightening shell 41 and are inclinedly arranged, and the linear straightening assembly 3 includes a plurality of straightening wheels 31 and a straightening frame 32, and the plurality of straightening wheels 31 are rotatably connected to the straightening frame 32.

[0038] The metal wire coil is placed on the unwinding rack 12, and the traction motor drives the traction wheel to rotate to pull the metal wire. The unwinding rack 12 rotates on the fixed rack 11, and the tilting wheel 42 and the straightening wheel 31 squeeze the metal wire in different directions to straighten the metal wire.

[0039] The traction wheel is prior art and is not shown in the figure.

[0040] Example 9, reference Figure 1-Figure 9As shown, the difference from the above embodiment is that the cutting assembly 8 includes a fixed cylinder 81, a cutting cylinder 82, a cutting frame and a cutting knife 83, the fixed cylinder 81 is fixedly installed on the cutting frame, the cutting cylinder 82 is fixedly installed on the cutting frame, and the cutting knife 83 is fixedly installed at the output end of the cutting cylinder 82.

[0041] The cutting cylinder 82 drives the cutting knife 83 to move, and the cutting knife 83 cuts the metal wire.

[0042] A method for producing a battery current collector, using the above-mentioned metal wire straightening device, comprises the following steps: The unwinding assembly 1 unwinds the metal wire, the metal wire is pulled by the pulling assembly 2, and the inclined straightening assembly 4 and the straight straightening assembly 3 straighten the metal wire; The metal wire is moved into the placement groove of the placement plate 511. When the metal wire on the placement plate 511 reaches a specified length, the cutting component 8 cuts the metal wire. The placement plate 511 rotates to move the metal wire into the storage slot of the corresponding storage plate 521, and then the storage unit 52 moves horizontally to move the next metal wire into the next storage slot; When the storage slots on the corresponding storage plates 521 are all filled with metal wires, the pushing unit 53 rotates the next storage plate 521 to a horizontal state, and moves the metal wires into the storage slots on the next storage plate 521 .

[0043] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A metal wire straightening device, comprising an unwinding assembly, a pulling assembly, two sets of linear straightening assemblies and an inclined straightening assembly, characterized in that: A storage component is disposed on one side of the straight line straightening component, and a cutting component is disposed between the straight line straightening component and the storage component; The storage assembly includes a placement unit, the placement unit includes a placement plate, a placement slot is provided on the placement plate, and the placement plate can rotate; The storage assembly also includes a storage unit, which can move horizontally. The storage unit includes a plurality of storage plates and a fixed block. One side of the fixed block is inclined. The plurality of storage plates are rotatably connected to the inclined surface of the fixed block. Both sides of the storage plate are provided with a plurality of storage slots. The storage assembly further comprises a pushing unit, and the pushing unit can push a plurality of the storage plates from a vertical state to a horizontal state in sequence.

2. A metal wire straightening device according to claim 1, characterized in that: The storage unit also includes a plurality of push rods, which are fixedly mounted on one side of the storage plate. The pushing unit includes a push block, the end of which is inclined, and the push block can push the push rod to move when it moves horizontally.

3. A metal wire straightening device according to claim 1, characterized in that: The storage unit also includes a rotating shaft and a supporting block, the supporting block is fixedly mounted on the fixed block, the rotating shaft is fixedly mounted on the storage plate, the rotating shaft is rotatably connected to the supporting block, the rotating shaft and the supporting block are connected with a limiting assembly, the limiting assembly includes a limiting spring, a limiting ring and a limiting ball, the rotating shaft is provided with a clamping groove, one end of the limiting spring is fixedly mounted on the bottom of the clamping groove, the limiting ball is arranged in the clamping groove, one end of the limiting spring is against the limiting ball, the limiting ring is sleeved on the rotating shaft, the limiting ring is fixedly mounted on the fixed block, and two release grooves are provided 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.

4. A metal wire straightening device according to claim 2, characterized in that: The pushing unit also includes a pushing cylinder, a connecting plate and a lifting cylinder. The connecting plate is fixedly mounted on the output end of the lifting cylinder. The pushing cylinder is fixedly mounted on the connecting plate. The pushing block is fixedly mounted on the output end of the pushing cylinder.

5. A metal wire straightening device according to claim 4, characterized in that: The storage assembly also includes a storage table and a translation unit, and 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, and the translation plate is slidably engaged on the storage table. The translation screw is fixedly installed on the output end of the translation motor, and the translation block is fixedly installed on the translation plate. The translation block is sleeved on the translation screw and threadedly connected to the translation screw. The stabilizing block is fixedly installed on the translation plate. A stabilizing groove is opened on the fixed block, and the stabilizing block cooperates with the stabilizing groove. The lifting cylinder is fixedly installed on the translation plate.

6. A metal wire straightening device according to claim 5, characterized in that: The placement unit also 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.

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

8. The metal wire straightening device according to claim 1, characterized in that: 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, the plurality of straightening wheels are rotatably connected to the straightening frame.

9. The metal wire straightening device according to claim 1, characterized in that: The cutting assembly comprises a fixed cylinder, a cutting cylinder, a cutting frame and a cutting knife, wherein 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.

10. A method for producing a battery current collector, using the metal wire straightening device according to any one of claims 1 to 9, characterized in that: The following steps are involved: 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; 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; 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; 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.

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