Die cutting equipment and pole piece forming system

Abstract

The utility model belongs to the technical field of battery manufacturing equipment, and discloses die cutting equipment and a pole piece forming system. The die cutting apparatus includes a die platform, a first die cutter assembly, a second die cutter assembly, and a pitch maintaining die. The die platform is provided with a limiting guide groove, the first die cutting tool assembly and the second die cutting tool assembly are arranged in the limiting guide groove in the mode that the distance between the first die cutting tool assembly and the second die cutting tool assembly is adjustable, and the first die cutting tool assembly and the second die cutting tool assembly can cut electrode materials respectively. The spacing keeping die is detachably clamped between the first die cutting tool assembly and the second die cutting tool assembly. According to the die cutting equipment, after the die cutting tool assemblies are replaced, the distance and the parallelism of the two die cutting tool assemblies do not need to be adjusted again, the downtime is shortened, the production efficiency is improved, the problem that cut products are poor due to improper adjustment in the adjusting process is solved, and the utilization rate of materials and the quality of the products are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery manufacturing equipment technical field especially relates to a die -cutting equipment and pole piece forming system. BACKGROUND

[0002] In the process of battery manufacturing, the die -cutting process of pole piece needs to be carried out. In the production process of pole piece die -cutting process, the die -cutting equipment is the key component for cutting electrode material into a specific shape.

[0003] The die -cutting equipment includes two groups of interval setting die -cutting tool assemblies, since the die -cutting tool assemblies of the die -cutting equipment will appear wear and tear and other problems in long -term use, it is necessary to replace it regularly. When the die -cutting tool assembly of the die -cutting equipment is replaced, the front and back distance of the two groups of interval setting die -cutting tool assemblies and the parallelism between them need to be adjusted, so as to ensure the cutting accuracy and product quality.

[0004] After replacing the die -cutting tool assembly of the die -cutting equipment every time, it needs to spend a lot of time to adjust the front and back distance of the two groups of interval setting die -cutting tool assemblies and the parallelism between them, prolongs the downtime of the die -cutting equipment, reduces the operation rate of the die -cutting equipment, and affects the production efficiency of the battery. And in the process of adjusting the die -cutting equipment, improper adjustment may lead to unqualified products, causing material waste and increasing production cost. Moreover, the adjustment of the front and back distance and the parallelism of the two groups of interval setting die -cutting tool assemblies needs professional personnel to operate, and the precision requirement is high, which increases the labor cost and operation difficulty.

[0005] Therefore, a die -cutting equipment and pole piece forming system are needed to solve the above problems. UTILITY MODEL CONTENT

[0006] According to one aspect of the utility model, the purpose is to provide a die -cutting equipment, which does not need to adjust the distance and parallelism of the two die -cutting tool assemblies again after replacing the die -cutting tool assembly, shortens the downtime, improves the production efficiency, avoids the cutting product defect problem caused by improper adjustment in the adjustment process, and improves the utilization rate of materials and the quality of products.

[0007] In order to achieve this purpose, the utility model adopts the following technical scheme:

[0008] The die -cutting equipment comprises:

[0009] The die platform is provided with a limiting guide groove;

[0010] The first die cutting tool assembly and the second die cutting tool assembly are arranged in the limiting guide groove in an adjustable distance, and the first die cutting tool assembly and the second die cutting tool assembly can cut the electrode material respectively.

[0011] A distance maintaining die is detachably clamped between the first die cutting tool assembly and the second die cutting tool assembly.

[0012] As a preferred scheme of the die cutting equipment provided by the utility model, the die cutting equipment further comprises a support assembly, a driving device and a linkage support, the support assembly is arranged above the die platform, the driving device is installed on the support assembly, the linkage support is connected to the driving device, the first die cutting tool assembly and the second die cutting tool assembly, the driving device can drive the linkage support to move in the vertical direction, and the first die cutting tool assembly and the second die cutting tool assembly can act under the driving of the linkage support to cut the electrode material.

[0013] As a preferred scheme of the die cutting equipment provided by the utility model, the output shaft of the driving device is perpendicular to the vertical direction, can rotate around the axis thereof, and an eccentric shaft is arranged on the output shaft.

[0014] The linkage support is slidably connected to the support assembly, the linkage support is connected to the eccentric shaft, and the linkage support can slide relative to the support assembly in the vertical direction under the rotation of the output shaft.

[0015] As a preferred scheme of the die cutting equipment provided by the utility model, the support assembly comprises a support body and a mounting seat, the support body is arranged on the die platform, the mounting seat is fixedly connected to the support body, and the driving device is installed on the mounting seat.

[0016] One of the mounting seat and the linkage support is provided with a sliding block, and the other is provided with a guide sliding rail, the guide sliding rail is arranged in parallel to the vertical direction, and the sliding block is slidably connected to the guide sliding rail.

[0017] As a preferred scheme of the die cutting equipment provided by the utility model, the die cutting equipment further comprises a first floating joint and a second floating joint, the first floating joint is arranged on the first die cutting tool assembly, the second floating joint is arranged on the second die cutting tool assembly, the first floating joint can adjust the distance between the linkage support and the first die cutting tool assembly, and the second floating joint can adjust the distance between the linkage support and the second die cutting tool assembly.

[0018] As a preferred scheme of the die-cutting equipment provided by the utility model, the linkage support is provided with a first position adjusting hole corresponding to the position of the first die-cutting tool assembly, the first die-cuting tool assembly and the linkage support are connected through a first joint, and the first joint is adjustably connected in the first position adjusting hole along the length direction of the limiting guide groove.

[0019] The linkage support is provided with a second position adjusting hole corresponding to the position of the second die-cuting tool assembly, the second die-cuting tool assembly and the linkage support are connected through a second joint, and the second joint is adjustably connected in the second position adjusting hole along the length direction of the limiting guide groove.

[0020] As a preferred scheme of the die-cutting equipment provided by the utility model, the die platform is provided with a fixed part on each side in the width direction of the limiting guide groove;

[0021] The die-cutting equipment further comprises a plurality of fixing members, the fixed part on each side in the width direction of the limiting guide groove and the two sides of the first die-cuting tool assembly are respectively provided with a fixing member, and the fixed part on each side in the width direction of the limiting guide groove and the two sides of the second die-cuting tool assembly are respectively provided with a fixing member.

[0022] As a preferred scheme of the die-cutting equipment provided by the utility model, the first die-cuting tool assembly comprises a first upper cutting part and a first lower cutting part, the first lower cutting part is arranged in the limiting guide groove, the first upper cutting part is arranged on the first lower cutting part in a vertically floating manner, the first upper cutting part moves close to the first lower cutting part, and the electrode material between the first upper cutting part and the first lower cutting part can be cut;

[0023] The second die-cutting tool assembly comprises a second upper cutting part and a second lower cutting part, the second lower cutting part is arranged in the limiting guide groove, the second upper cutting part is arranged on the second lower cutting part in a vertically floating manner, the second upper cutting part moves close to the second lower cutting part, and the electrode material between the second upper cutting part and the second lower cutting part can be cut.

[0024] As a preferred scheme of the die-cutting equipment provided by the utility model, the die platform is provided with a waste port, and the spacing maintaining die can block the waste port.

[0025] According to another aspect of the utility model, the purpose is to provide a pole piece forming system, the pole piece forming system includes the die-cutting equipment of any one of the above schemes.

[0026] The utility model has the advantages of:

[0027] The die-cutting equipment provided by the utility model comprises a die platform, a first die-cutting tool assembly, a second die-cuting tool assembly and a distance maintaining die. The die platform is provided with a limiting guide groove, the first die-cutting tool assembly and the second die-cutting tool assembly are adjustably arranged in the limiting guide groove, and the first die-cutting tool assembly and the second die-cutting tool assembly can cut electrode materials respectively. The first die-cutting tool assembly and the second die-cuting tool assembly are limited by the limiting guide groove, and the parallelism and straightness of the two can meet the requirements without further adjustment. The distance maintaining die is detachably clamped between the first die-cutting tool assembly and the second die-cuting tool assembly. The distance between the first die-cutting tool assembly and the second die-cutting tool assembly is maintained by the distance maintaining die, and the distance between the two does not need to be adjusted again, thereby shortening the downtime, improving the production efficiency, avoiding the cutting product defects caused by improper adjustment during the adjustment process, and improving the material utilization and the product quality.

[0028] The pole piece forming system provided by the utility model can realize the cutting of the pole piece by the above die-cutting equipment, and improve the precision of pole piece forming and the quality of finished products. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the drawings needed to be used in the description of the embodiments of the utility model will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by the person skilled in the art according to the contents of the embodiments of the utility model and the drawings without creative labor.

[0030] Figure 1 is the first schematic view of the die-cutting equipment provided by the embodiments of the utility model;

[0031] Figure 2 is the second schematic view of the die-cutting equipment provided by the embodiments of the utility model;

[0032] Figure 3 is the top view of the die-cutting equipment provided by the embodiments of the utility model;

[0033] Figure 4 is Figure 3 the sectional view in the direction of B-B;

[0034] Figure 5 is the partial structure schematic view of the die-cutting equipment provided by the embodiments of the utility model;

[0035] Figure 6 is Figure 5 the local enlarged view of the structure marked as A.

[0036] Fig.:

[0037] 100, mold platform; 110, limiting guide groove; 120, fixed part; 130, waste port;

[0038] 200, first die cutting tool assembly; 210, first upper tool holder; 220, first upper tool; 230, first lower tool holder; 240, first lower tool; 250, first elastic element;

[0039] 300, second die cutting tool assembly; 310, second upper tool holder; 320, second upper tool; 330, second lower tool holder; 340, second lower tool; 350, second elastic element;

[0040] 400, distance maintaining mold;

[0041] 500, support assembly; 510, support body; 520, mounting seat; 530, guide slide rail;

[0042] 600, driving device; 610, output shaft; 620, eccentric shaft;

[0043] 700, linkage support; 710, sliding block; 720, first position adjusting hole; 730, second position adjusting hole; 740, vertical part; 750, horizontal part;

[0044] 810, first floating joint; 811, first base; 812, first adjusting bolt; 813, first gasket; 814, first nut;

[0045] 820, second floating joint; 821, second base; 822, second adjusting bolt; 823, second gasket; 824, second nut;

[0046] 900, fixing piece. DETAILED DESCRIPTION

[0047] The technical solutions of the present application will be further described below in conjunction with the drawings and through specific embodiments.

[0048] To make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0049] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0050] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0051] In the description of this utility model, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0052] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0053] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0054] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0055] This embodiment provides a die-cutting device and an electrode forming system. The electrode forming system includes a discharge device (not shown) and the die-cutting device provided in this embodiment. The die-cutting device can cut the electrode, and the discharge device can unload the cut electrode products.

[0056] Figure 1 This is a first schematic diagram of the die-cutting equipment provided in an embodiment of the present invention; Figure 2 This is a second schematic diagram of the die-cutting equipment provided in an embodiment of the present invention; Figure 3 This shows a top view of the die-cutting equipment provided in an embodiment of the present invention; Figure 4 Show Figure 3 Sectional view along the BB direction. (Refer to...) Figures 1-4 The die-cutting equipment provided in this embodiment includes a mold platform 100, a first die-cutting tool assembly 200, a second die-cutting tool assembly 300, and a spacing maintaining mold 400.

[0057] Specifically, the mold platform 100 has a limiting guide groove 110. The first die-cutting tool assembly 200 and the second die-cutting tool assembly 300 are adjustablely positioned within the limiting guide groove 110, allowing them to cut electrode materials respectively. By limiting the first die-cutting tool assembly 200 and the second die-cutting tool assembly 300 within the limiting guide groove 110, their parallelism and straightness are satisfied without further adjustment.

[0058] More specifically, the spacing retaining mold 400 is detachably clamped between the first die-cutting tool assembly 200 and the second die-cutting tool assembly 300. The spacing retaining mold 400 maintains the spacing between the first die-cutting tool assembly 200 and the second die-cutting tool assembly 300. When the first die-cutting tool assembly 200 and the second die-cutting tool assembly 300 are installed in the limiting guide groove 110, there is no need to readjust the spacing between them, thereby shortening downtime, improving production efficiency, avoiding defects in cut products caused by improper adjustment during the adjustment process, and improving material utilization and product quality.

[0059] Continue to refer to Figure 1 andFigure 2 The first die-cutting tool assembly 200 includes a first upper cutting part and a first lower cutting part, the first lower cutting part is arranged in the limiting guide slot 110, the first upper cutting part is arranged on the first lower cutting part in a vertically floating manner, the first upper cutting part moves close to the first lower cutting part, and the electrode material between the first upper cutting part and the first lower cutting part can be cut.

[0060] Similarly, the second die-cutting tool assembly 300 includes a second upper cutting part and a second lower cutting part, the second lower cutting part is arranged in the limiting guide slot 110, the second upper cutting part is arranged on the second lower cutting part in a vertically floating manner, the second upper cutting part moves close to the second lower cutting part, and the electrode material between the second upper cutting part and the second lower cutting part can be cut.

[0061] Specifically, the first upper cutting part includes a first upper knife seat 210 and a first upper knife 220, and the first lower cutting part includes a first lower knife seat 230 and a first lower knife 240. The first upper knife 220 is mounted on the side of the first upper knife seat 210 facing the first lower knife seat 230, and the first lower knife 240 is mounted on the side of the first lower knife seat 230 facing the first upper knife seat 210. A first elastic element 250 is clamped between the first upper knife 220 and the first lower knife 240. The first elastic element 250 can support the first upper knife 220, when the first upper cutting part is subjected to a downward pressure in the vertical direction, the first elastic element 250 is compressed, the first upper knife 220 is close to and finally engages with the first lower knife 240, that is, the punching of the pole piece between the first upper knife 220 and the first lower knife 240 can be realized.

[0062] Similarly, the second upper cutting part includes a second upper knife seat 310 and a second upper knife 320, and the second lower cutting part includes a second lower knife seat 330 and a second lower knife 340. The second upper knife 320 is mounted on the side of the second upper knife seat 310 facing the second lower knife seat 330, and the second lower knife 340 is mounted on the side of the second lower knife seat 330 facing the second upper knife seat 310. A second elastic element 350 is clamped between the second upper knife 320 and the second lower knife 340. The second elastic element 350 can support the second upper knife 320, when the second upper cutting part is subjected to a downward pressure in the vertical direction, the second elastic element 350 is compressed, the second upper knife 320 is close to and finally engages with the second lower knife 340, that is, the punching of the pole piece between the second upper knife 320 and the second lower knife 340 can be realized.

[0063] Continuing to refer to Figures 1-3The die-cutting device further comprises a support assembly 500, a driving device 600 and a linkage support 700. The support assembly 500 is arranged above the die platform 100, and the driving device 600 is installed on the support assembly 500. The linkage support 700 comprises a vertical part 740 and a horizontal part 750 which are integrally formed or fixedly connected with each other, and the vertical part 740 is arranged perpendicularly to the center line of the horizontal part 750. The vertical part 740 is connected to the driving device 600, and a part of the horizontal part 750 on one side of the vertical part 740 is connected to the first upper knife holder 210, and a part of the horizontal part 750 on the other side of the vertical part 740 is connected to the second upper knife holder 310. The driving device 600 can drive the vertical part 740 to move in the vertical direction, and the first upper knife holder 210 and the second upper knife holder 310 can respectively move in the vertical direction under the drive of the horizontal part 750, so as to drive the first upper knife 220 to engage with the first lower knife 240 and drive the second upper knife 320 to engage with the second lower knife 340, thereby punching the electrode material.

[0064] Specifically, the die-cutting device further comprises a first floating joint 810 and a second floating joint 820. The first floating joint 810 is arranged on the first upper knife holder 210 and connected to the horizontal part 750, and the second floating joint 820 is arranged on the second upper knife holder 310 and connected to the horizontal part 750. The first floating joint 810 can adjust the distance between the horizontal part 750 and the first upper knife holder 210, and the second floating joint 820 can adjust the distance between the horizontal part 750 and the second upper knife holder 310. Through the above arrangement, the engagement depth of the first upper knife 220 and the first lower knife 240 and the engagement depth of the second upper knife 320 and the second lower knife 340 can be finely adjusted.

[0065] Specifically, the first floating joint 810 comprises a first base 811, a first adjusting bolt 812, a first gasket 813 and a first nut 814. The first base 811 is fixedly arranged on the first upper knife holder 210, the first adjusting bolt 812 is fixedly arranged on the first base 811 and penetrates through the opening of the horizontal part 750 corresponding to the position of the first die-cutting knife assembly 200, the first nut 814 is adjustably screwed on the first adjusting bolt 812 in the vertical direction, and the horizontal part 750 can be clamped between the first nut 814 and the first gasket 813.

[0066] Similarly, the second floating joint 820 comprises a second base 821, a second adjusting screw 822, a second gasket 823 and a second nut 824. The second base 821 is fixedly arranged on the second upper knife base 310, the second adjusting screw 822 is fixedly arranged on the second base 821 and passes through the opening of the horizontal part 750 corresponding to the position of the second die cutting tool assembly 300, the second nut 824 is adjustably screwed on the second adjusting screw 822 in the vertical direction, and the horizontal part 750 can be clamped between the second nut 824 and the second gasket 823.

[0067] More specifically, the horizontal part 750 is provided with a first position adjusting hole 720 corresponding to the position of the first die cutting tool assembly 200, and the first position adjusting hole 720 is a waist-shaped long hole with its long axis direction parallel to the length direction of the limiting guide groove 110. The first die cutting tool assembly 200 and the horizontal part 750 are connected through the first floating joint 810, and the first adjusting screw 812 is adjustably connected in the first position adjusting hole 720 along the length direction of the limiting guide groove 110. Moreover, the horizontal part 750 is provided with a second position adjusting hole 730 corresponding to the position of the second die cutting tool assembly 300, and the second position adjusting hole 730 is a waist-shaped long hole with its long axis direction parallel to the length direction of the limiting guide groove 110. The second die cutting tool assembly 300 and the horizontal part 750 are connected through the second floating joint 820, and the second adjusting screw 822 is adjustably connected in the second position adjusting hole 730 along the length direction of the limiting guide groove 110. Through the above arrangement, the fine adjustment of the distance between the first die cutting tool assembly 200 and the second die cutting tool assembly 300 can be realized, so as to further improve the accuracy of the distance between the first die cutting tool assembly 200 and the second die cutting tool assembly 300.

[0068] Alternatively, only the first position adjusting hole 720 corresponding to the position of the first die cutting tool assembly 200 can be arranged on the horizontal part 750, or only the second position adjusting hole 730 corresponding to the position of the second die cutting tool assembly 300 can be arranged on the horizontal part 750.

[0069] Figure 5 Part of the structure of the die cutting equipment provided by the embodiment of the utility model is shown, Figure 6 Part of the structure of the die cutting equipment provided by the embodiment of the utility model is shown, Figure 5 Part of the structure of the die cutting equipment provided by the embodiment of the utility model is shown, Figure 1 、 Figure 3 、 Figure 5 And Figure 6The output shaft 610 of the driving device 600 is perpendicular to the vertical direction and can rotate around its own axis, and an eccentric shaft 620 is arranged on the output shaft 610. The vertical part 740 is slidably connected to the support assembly 500, and the linkage support 700 is connected to the eccentric shaft 620, and the vertical part 740 can slide along the vertical direction relative to the support assembly 500 under the rotation of the output shaft 610.

[0070] Specifically, the support assembly 500 includes a support body 510 and a mounting seat 520, the support body 510 is arranged on the mold platform 100, and the mounting seat 520 is fixedly connected to the support body 510, and the driving device 600 is mounted on the mounting seat 520. One of the mounting seat 520 and the vertical part 740 is provided with a sliding block 710, and the other is provided with a guide sliding rail 530, the guide sliding rail 530 is arranged parallel to the vertical direction, and the sliding block 710 is slidably connected to the guide sliding rail 530. In this embodiment, the guide sliding rail 530 is arranged on the mounting seat 520, and the sliding block 710 is arranged on the vertical part 740. Through the above arrangement, the smoothness and verticality of the sliding of the vertical part 740 relative to the mounting seat 520 can be improved.

[0071] Further specifically, the mold platform 100 is provided with long strip-shaped fixed parts 120 on both sides in the width direction of the limiting guide groove 110. The die cutting equipment further includes a plurality of fixing members 900, and the fixed parts 120 on both sides in the width direction of the limiting guide groove 110 are respectively provided with the fixing members 900 between the two sides of the first lower knife seat 230, and the fixed parts 120 on both sides in the width direction of the limiting guide groove 110 are respectively provided with the fixing members 900 between the two sides of the second lower knife seat 330. In this embodiment, the fixing member 900 can be a bolt, which can be fixed to the fixed part 120 and abut against the side of the first lower knife seat 230 or the side of the second lower knife seat 330, thereby fixing the first lower knife seat 230 and the second lower knife seat 330 and preventing displacement of the two during work, ensuring the accuracy of the cutting position.

[0072] More specifically, the mold platform 100 is further provided with a waste port 130 between the first lower knife seat 230 and the second lower knife seat 330, which is used to discharge waste after the cutting of the pole piece is completed. The distance maintaining mold 400 can be blocked at the waste port 130, thereby preventing the waste port 130 from being blocked by waste during processing.

[0073] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is not necessary and also impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application claim.

Claims

1. A die-cutting apparatus characterized by, The utility model relates to a cutting device for electrode material, which comprises: a mold platform (100) provided with a limiting guide groove (110); a first die cutter assembly (200) and a second die cutter assembly (300) which are adjustably arranged in the limiting guide groove (110) and can cut electrode material respectively; a distance maintaining mold (400) which is detachably clamped between the first die cutter assembly (200) and the second die cutter assembly (300).

2. The die-cutting apparatus of claim 1, wherein, The cutting device further comprises a support assembly (500), a driving device (600) and a linkage support (700), wherein the support assembly (500) is arranged above the mold platform (100), the driving device (600) is mounted on the support assembly (500), and the linkage support (700) is connected to the driving device (600), the first die cutter assembly (200) and the second die cutter assembly (300). The driving device (600) can drive the linkage support (700) to move in the vertical direction, and the first die cutter assembly (200) and the second die cutter assembly (300) can act under the driving of the linkage support (700) to cut the electrode material.

3. The die cutting apparatus of claim 2, wherein, The output shaft (610) of the driving device (600) is perpendicular to the vertical direction and can rotate around its own axis, and an eccentric shaft (620) is arranged on the output shaft (610); The linkage support (700) is slidably connected to the support assembly (500), and the linkage support (700) is connected to the eccentric shaft (620). The linkage support (700) can slide relative to the support assembly (500) along the vertical direction under the rotation of the output shaft (610).

4. The die cutting apparatus of claim 2, wherein, The support assembly (500) comprises a support body (510) and a mounting seat (520), wherein the support body (510) is arranged on the mold platform (100), and the mounting seat (520) is fixedly connected to the support body (510), and the driving device (600) is mounted on the mounting seat (520); One of the mounting seat (520) and the linkage support (700) is provided with a sliding block (710), and the other is provided with a guide sliding rail (530), wherein the guide sliding rail (530) is arranged parallel to the vertical direction, and the sliding block (710) is slidably connected to the guide sliding rail (530).

5. The die cutting apparatus of claim 2, wherein, The die cutting device further comprises a first floating joint (810) and a second floating joint (820), the first floating joint (810) is arranged on the first die cutting tool assembly (200), the second floating joint (820) is arranged on the second die cutting tool assembly (300), the first floating joint (810) can adjust the distance between the linkage support (700) and the first die cutting tool assembly (200), and the second floating joint (820) can adjust the distance between the linkage support (700) and the second die cutting tool assembly (300).

6. The die cutting apparatus of claim 2, wherein, The linkage support (700) is provided with a first position adjusting hole (720) corresponding to the position of the first die cutting tool assembly (200), the first die cutting tool assembly (200) and the linkage support (700) are connected through a first joint, and the first joint is adjustably connected in the first position adjusting hole (720) along the length direction of the limiting guide groove (110); and / or, The linkage support (700) is provided with a second position adjusting hole (730) corresponding to the position of the second die cutting tool assembly (300), the second die cutting tool assembly (300) and the linkage support (700) are connected through a second joint, and the second joint is adjustably connected in the second position adjusting hole (730) along the length direction of the limiting guide groove (110).

7. The die cutting apparatus of claim 1, wherein, The die platform (100) is provided with a fixed part (120) on both sides in the width direction of the limiting guide groove (110); The die cutting device further comprises a plurality of fixing members (900), the fixed parts (120) on both sides in the width direction of the limiting guide groove (110) are respectively provided with the fixing members (900) between the two sides of the first die cutting tool assembly (200), and the fixed parts (120) on both sides in the width direction of the limiting guide groove (110) are respectively provided with the fixing members (900) between the two sides of the second die cutting tool assembly (300).

8. The die-cutting apparatus according to any one of claims 1-7, characterized in that, The first die cutting tool assembly (200) comprises a first upper cutting part and a first lower cutting part, the first lower cutting part is arranged in the limiting guide groove (110), and the first upper cutting part is vertically and floatingly arranged on the first lower cutting part, the first upper cutting part moves close to the first lower cutting part, and the electrode material between the first upper cutting part and the first lower cutting part can be cut; The second die cutting tool assembly (300) comprises a second upper cutting part and a second lower cutting part, the second lower cutting part is arranged in the limiting guide groove (110), and the second upper cutting part is vertically and floatingly arranged on the second lower cutting part, the second upper cutting part moves close to the second lower cutting part, and the electrode material between the second upper cutting part and the second lower cutting part can be cut.

9. The die-cutting apparatus according to any one of claims 1-7, wherein, The die platform (100) is provided with a waste port (130), and the distance maintaining die (400) can be blocked at the waste port (130).

10. A pole piece forming system characterized by, A die cutting apparatus comprising any of claims 1-9.

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