Rewinding and unwinding device

Abstract

The present invention provides a winding and unwinding device, comprising: a support platform, a support frame, a rotating table and an electric control box; two of the support frames are arranged on the support platform at intervals; the rotating table is connected to the two support frames respectively; the electric control box is connected to the rotating table; wherein the electric control box is used to accommodate control elements and cables, and the electric control box can rotate synchronously with the rotating table. The winding and unwinding device provided by the present invention, by arranging the electric control box to rotate together with the rotating table, enables the cables in the electric control box to rotate synchronously with the rotating table, thereby avoiding the problem of cable winding, simplifying the transmission mechanism, and reducing the cost.

Description

Technical Field

[0001] The present invention relates to the technical field of battery processing equipment, and in particular to a winding and unwinding device. Background Art

[0002] In the current lithium battery production process, the raw material slurry needs to be coated on the foil to form the pole piece, and the foil and the pole piece are stored and transported in the form of a roll. During the production process, the foil and the pole piece need to be loaded with tension and travel speed, so a roll release and retraction mechanism is required. In order to achieve automated continuous production, the rear roll needs to be prepared before the front roll is used up, and the rear roll needs to be connected during the production process of the front roll, so a complex reeling and unreeling mechanism is required. Summary of the invention

[0003] The present invention provides a winding and unwinding device for solving the problem that the existing cable winding is caused by the large number of electrical components such as driving parts and sensors and the need for continuous rotation. By arranging the electric control box to rotate together with the rotating table, the cables in the electric control box and the rotating table can rotate synchronously, thus avoiding the problem of cable winding, simplifying the transmission mechanism and reducing the cost.

[0004] A reeling and unreeling device according to the present invention comprises: a support table, a support frame, a rotating table and an electric control box;

[0005] The two support frames are arranged on the support platform at intervals;

[0006] The rotating platform is respectively connected to the two supporting frames;

[0007] The electric control box is connected to the rotating table;

[0008] The electric control box is used to accommodate control elements and cables, and the electric control box can rotate synchronously with the rotating table.

[0009] According to one embodiment of the present invention, it further includes: a power unit;

[0010] The power unit is arranged at one end of the rotating table along the rotating axis of the rotating table;

[0011] The electric control box is arranged along the rotation axis at the other end of the rotating table relative to the power unit.

[0012] Specifically, this embodiment provides an implementation of a power unit, and by setting up the power unit, the provision of rotational power to the turntable is achieved.

[0013] According to one embodiment of the present invention, it further comprises: a bottom slide rail, wherein the bottom slide rail is arranged at the bottom of the support platform to adjust the relative position of the support platform along the rotation axis.

[0014] Specifically, this embodiment provides an implementation method of a bottom slide rail. By setting the bottom slide rail, the support table can adjust the relative position along the rotation axis of the rotating table, thereby ensuring the relative position of the pole piece roll and the diaphragm roll during transportation, and facilitating adjustment according to slight errors to meet the requirements of roll discharge of different sizes and different positions.

[0015] According to an embodiment of the present invention, it further comprises: a conductive slip ring, the conductive slip ring being arranged at the other end of the rotating table relative to the electric control box along the rotation axis;

[0016] Wherein, the cables in the electric control box are connected to the conductive slip ring.

[0017] Specifically, this embodiment provides an implementation method of a conductive slip ring. By providing a conductive slip ring, the cables in the electric control cabinet can be connected to external devices through the conductive slip ring, thereby ensuring the wiring requirements of the cables in the electric control box.

[0018] According to one embodiment of the present invention, the rotating platform is a hollow structure;

[0019] The cables in the electric control box are connected to the conductive slip ring through the hollow structure.

[0020] Specifically, this embodiment provides an implementation of a rotating table, which is configured as a hollow structure so that the cables in the electric control box can be connected to the conductive slip rings through the hollow rotating table, thereby saving space and facilitating wiring.

[0021] According to an embodiment of the present invention, it further comprises: a loading mechanism, two loading mechanisms being connected to the rotating table at intervals along the rotating axis;

[0022] The two loading mechanisms are used to fix the pole piece roll and the diaphragm roll on the opposite side along the rotation axis, and drive the pole piece roll and the diaphragm roll to rotate.

[0023] Specifically, this embodiment provides an implementation method of a loading mechanism, and by setting up the loading mechanism, the winding and unwinding operations of the electrode roll and the diaphragm roll are realized.

[0024] According to one embodiment of the present invention, the loading mechanism comprises: a loading platform and a driving assembly;

[0025] The loading platform is connected to the rotating platform;

[0026] The two driving assemblies are symmetrically arranged on the loading platform along a direction perpendicular to the rotation axis;

[0027] Wherein, the pole piece roll and the diaphragm roll are respectively connected to the two driving components on the same loading platform.

[0028] Specifically, this embodiment provides an implementation of a loading platform and a driving assembly. By setting up the loading platform, an installation position is provided for the connection between the driving assembly and the rotating platform.

[0029] Furthermore, the drive assembly provides power for the rotation of the pole piece roll and the diaphragm roll.

[0030] According to one embodiment of the present invention, the driving assembly comprises: a base, a prime mover and a tensioning head;

[0031] The base is connected to the loading platform;

[0032] The driving member is connected to the base;

[0033] The tensioning head is connected to the prime mover and to the winding shaft of the pole piece roll or the diaphragm roll;

[0034] Wherein, the driving member drives the tensioning head to rotate, and the tensioning head drives the pole piece roll or the diaphragm roll to rotate.

[0035] Specifically, this embodiment provides an implementation of a base, a prime mover and a tensioning head. The arrangement of the base provides a connection position for the prime mover and the tensioning head to be connected to the loading platform.

[0036] Furthermore, the arrangement of the prime mover and the tensioning head provides power for the self-rotation of the pole piece roll and the diaphragm roll.

[0037] According to one embodiment of the present invention, the driving assembly further comprises: an adjusting slide rail;

[0038] The adjusting slide rail is arranged between the base and the loading platform and extends along the rotation axis;

[0039] Wherein, the relative position between the base and the loading platform is adjusted by the adjusting slide rail.

[0040] Specifically, this embodiment provides an implementation method for an adjusting slide rail. By setting the adjusting slide rail, the base can adjust its relative position with the loading platform along the rotation axis of the rotating table, thereby ensuring the relative position of the electrode roll and the diaphragm roll during transportation, and facilitating adaptation to electrode rolls and diaphragm rolls of different models and sizes.

[0041] According to one embodiment of the present invention, it further comprises: a cutting mechanism, wherein the cutting mechanism is connected to the supporting platform to realize cutting of the pole piece roll and the diaphragm roll.

[0042] Specifically, this embodiment provides an implementation method of a cutter mechanism. By setting up the cutter mechanism, the pole pieces on the pole piece roll and the diaphragms on the diaphragm roll can be cut, thereby ensuring continuous winding and unwinding operations.

[0043] According to one embodiment of the present invention, the cutter mechanism comprises: a cutter support, a cutter body, a pressure roller and a cutter cylinder;

[0044] The cutter bracket is connected to the support platform;

[0045] The cutter body and the cutter bracket are used to cut the pole piece roll and the diaphragm roll;

[0046] The pressing roller is connected to the cutter bracket to achieve pressing the pole piece roll and the diaphragm roll;

[0047] The cutter cylinder is connected to the cutter body to provide power for the action of the cutter body.

[0048] Specifically, this embodiment provides an implementation of a cutter bracket, a cutter body, a pressure roller and a cutter cylinder, and supports the cutter body, the pressure roller and the cutter cylinder by providing the cutter bracket.

[0049] Furthermore, the cutter body realizes the cutting of the pole piece roll and the diaphragm roll, and the cutter cylinder provides power for the cutter body.

[0050] Furthermore, the pressing roller presses the pole pieces on the pole piece roll and the diaphragms on the diaphragm roll tightly to ensure the smooth completion of the winding and unwinding operations and the cutting.

[0051] The above one or more technical solutions in the present invention have at least one of the following technical effects: a winding and unwinding device provided by the present invention, by setting the electric control box to rotate together with the rotating table, enables the cables in the electric control box and the rotating table to rotate synchronously, thereby avoiding the problem of cable winding, simplifying the transmission mechanism, and reducing costs.

[0052] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] In order to more clearly illustrate the technical solutions in the present invention or 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 some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0054] Figure 1 This is one of the schematic diagrams of the assembly relationship of the reeling and unreeling device provided by the present invention;

[0055] Figure 2 This is the second schematic diagram of the assembly relationship of the reeling and unreeling device provided by the present invention;

[0056] Figure 3 This is the third schematic diagram of the assembly relationship of the reeling and unreeling device provided by the present invention;

[0057] Figure 4 It is a schematic diagram of the assembly relationship of the rotating table, the electric control box, the conductive slip ring, the loading table and the driving assembly in the rewinding and unwinding device provided by the present invention;

[0058] Figure 5 It is a schematic diagram of the assembly relationship between the support platform, the bottom slide rail and the cutter bracket in the reeling and unreeling device provided by the present invention;

[0059] Figure 6 The present invention is a schematic diagram of the assembly relationship between a base, a prime mover and a tensioning head in the rewinding and unwinding device provided by the present invention.

[0060] Reference numerals:

[0061] 10. Support platform; 11. Bottom slide rail;

[0062] 20. Support frame;

[0063] 30. Rotating table;

[0064] 40. Power department;

[0065] 50. Electric control box;

[0066] 60. Conductive slip ring;

[0067] 70. Loading platform;

[0068] 80. Driving assembly; 81. Base; 82. Prime mover; 83. Tensioner; 84. Adjusting slide rail;

[0069] 90. Cutter mechanism; 91. Cutter bracket; 92. Cutter body; 93. Pressing roller; 94. Cutter cylinder. DETAILED DESCRIPTION

[0070] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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.

[0071] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limitations on the embodiments of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0072] In some specific embodiments of the present invention, Figures 1 to 6 As shown, the present solution provides a winding and unwinding device, comprising: a support table 10, a support frame 20, a rotating table 30 and an electric control box 50; two support frames 20 are arranged on the support table 10 at intervals; the rotating table 30 is respectively connected to the two support frames 20; the electric control box 50 is connected to the rotating table 30; wherein, the electric control box 50 is used to accommodate control components and cables, and the electric control box 50 can rotate synchronously with the rotating table 30.

[0073] In detail, the present invention provides a winding and unwinding device to solve the problem of cable winding caused by the large number of electrical components such as driving parts and sensors and the need for continuous rotation. By setting the electrical control box 50 to rotate together with the rotating table 30, the cables in the electrical control box 50 and the rotating table 30 can rotate synchronously, avoiding the problem of cable winding, simplifying the transmission mechanism, and reducing costs.

[0074] In some possible embodiments of the present invention, it further includes: a power unit 40; the power unit 40 is arranged at one end of the rotating table 30 along the rotation axis of the rotating table 30; and the electric control box 50 is arranged at the other end of the rotating table 30 relative to the power unit 40 along the rotation axis.

[0075] Specifically, this embodiment provides an implementation of a power unit 40 , and by providing the power unit 40 , the provision of rotational power to the rotating table 30 is achieved.

[0076] In some possible embodiments of the present invention, the present invention further includes: a bottom slide rail 11, which is disposed at the bottom of the support platform 10 to adjust the relative position of the support platform 10 along the rotation axis.

[0077] Specifically, this embodiment provides an implementation method of a bottom slide rail 11. By setting the bottom slide rail 11, the support table 10 can adjust the relative position along the rotation axis of the rotating table 30, thereby ensuring the relative position of the pole piece roll and the diaphragm roll during transportation, and facilitating adjustment according to slight errors to meet the requirements of roll unloading of different sizes and different positions.

[0078] In a possible implementation manner, the support platform 10 is provided with a corresponding bottom sliding block corresponding to the bottom sliding rail 11 .

[0079] In a possible implementation manner, the relative position between the support platform 10 and the bottom slide rail 11 is adjusted manually.

[0080] In a possible implementation manner, the relative position between the support platform 10 and the bottom slide rail 11 is adjusted automatically.

[0081] In some possible embodiments of the present invention, it further includes: a conductive slip ring 60, which is arranged at the other end of the rotating table 30 relative to the electric control box 50 along the rotation axis; wherein the cables in the electric control box 50 are connected to the conductive slip ring 60.

[0082] Specifically, this embodiment provides an implementation of a conductive slip ring 60 , by providing the conductive slip ring 60 , the cables in the electric control cabinet can be connected to external devices through the conductive slip ring 60 , ensuring the wiring requirements of the cables in the electric control box 50 .

[0083] In some possible embodiments of the present invention, the rotating platform 30 is a hollow structure; the cables in the electric control box 50 are connected to the conductive slip ring 60 through the hollow structure.

[0084] Specifically, this embodiment provides an implementation of a rotating table 30 , which sets the rotating table 30 as a hollow structure so that the cables in the electric control box 50 can be connected to the conductive slip ring 60 through the hollow rotating table 30 , saving space and facilitating wiring.

[0085] In a possible implementation manner, the rotating platform 30 is a shaft-shaped structure.

[0086] In some possible embodiments of the present invention, it also includes: a loading mechanism, two loading mechanisms are connected to the rotating table 30 at intervals along the rotation axis; wherein the two loading mechanisms are used to fix the pole piece roll and the diaphragm roll on the opposite side along the rotation axis, and drive the pole piece roll and the diaphragm roll to rotate.

[0087] Specifically, this embodiment provides an implementation method of a loading mechanism, and by setting up the loading mechanism, the winding and unwinding operations of the electrode roll and the diaphragm roll are realized.

[0088] In a possible implementation, two loading mechanisms are arranged at intervals, and the pole piece roll and the diaphragm roll are connected to the two loading mechanisms respectively. The two loading mechanisms realize the double-roll rotary structure of the pole piece roll and the diaphragm roll, and realize the self-rotation of the pole piece roll and the diaphragm roll.

[0089] In some possible embodiments of the present invention, the loading mechanism includes: a loading platform 70 and a driving assembly 80; the loading platform 70 is connected to the rotating table 30; two driving assemblies 80 are symmetrically arranged on the loading platform 70 along a direction perpendicular to the rotation axis; wherein the pole piece roll and the diaphragm roll are respectively connected to the two driving assemblies 80 on the same loading platform 70.

[0090] Specifically, this embodiment provides an implementation of a loading platform 70 and a driving assembly 80 . By providing the loading platform 70 , an installation position is provided for the connection between the driving assembly 80 and the rotating platform 30 .

[0091] Furthermore, the driving assembly 80 provides power for the rotation of the pole piece roll and the diaphragm roll.

[0092] In a possible implementation, the driving assemblies 80 on the two loading platforms 70 that are opposite to each other along the rotation axis are respectively connected to the pole piece roll or the diaphragm roll to provide power for the rotation of the pole piece roll or the diaphragm roll.

[0093] In some possible embodiments of the present invention, the driving assembly 80 includes: a base 81, a prime mover 82 and a tensioning head 83; the base 81 is connected to the loading platform 70; the prime mover 82 is connected to the base 81; the tensioning head 83 is connected to the prime mover 82 and is connected to the winding shaft of the pole piece roll or the diaphragm roll; wherein the prime mover 82 drives the tensioning head 83 to rotate, and the tensioning head 83 drives the pole piece roll or the diaphragm roll to rotate.

[0094] Specifically, this embodiment provides an implementation of a base 81 , a prime mover 82 and a tensioning head 83 . The base 81 provides a connection position for the prime mover 82 and the tensioning head 83 to be connected to the loading platform 70 .

[0095] Furthermore, the arrangement of the prime mover 82 and the tensioning head 83 provides power for the self-rotation of the pole piece roll and the diaphragm roll.

[0096] In a possible implementation manner, the tensioning head 83 cooperates with the winding shaft of the pole piece roll or the diaphragm roll, and the prime mover 82 cooperates with the tensioning head 83 to drive the tensioning head 83 to rotate, thereby realizing the self-rotation of the pole piece roll or the diaphragm roll.

[0097] In a possible implementation manner, the two prime movers 82 of the same pole piece roll or the same diaphragm roll act synchronously to achieve synchronous driving of the pole piece roll or the diaphragm roll for self-rotation.

[0098] In a possible implementation, the prime mover 82 is a motor, and power is transmitted between the prime mover 82 and the tensioning head 83 through gears, a conveyor belt or a transmission chain. In order to save space, the present invention does not describe this in too many details. In actual applications, reference may be made to the settings in related fields.

[0099] In some possible embodiments of the present invention, the driving assembly 80 also includes: an adjusting rail 84; the adjusting rail 84 is arranged between the base 81 and the loading platform 70, and extends along the rotation axis; wherein the relative position between the base 81 and the loading platform 70 is adjusted by the adjusting rail 84.

[0100] Specifically, this embodiment provides an implementation method of an adjusting slide rail 84. By setting the adjusting slide rail 84, the base 81 can adjust its relative position with the loading platform 70 along the rotation axis of the rotating table 30, thereby ensuring the relative position of the electrode roll and the diaphragm roll during transportation, and facilitating adaptation to electrode rolls and diaphragm rolls of different models and sizes.

[0101] In a possible implementation manner, the base 81 is provided with a corresponding adjustment slider corresponding to the adjustment rail 84 .

[0102] In a possible implementation manner, the relative position between the base 81 and the adjustment rail 84 is adjusted manually.

[0103] In a possible implementation manner, the relative position adjustment between the base 81 and the adjustment rail 84 is automatic.

[0104] In some possible embodiments of the present invention, the present invention further includes: a cutter mechanism 90, which is connected to the support platform 10 to achieve cutting of the electrode roll and the diaphragm roll.

[0105] Specifically, this embodiment provides an implementation of a cutter mechanism 90. By setting the cutter mechanism 90, the pole pieces on the pole piece roll and the diaphragms on the diaphragm roll can be cut, thereby ensuring continuous winding and unwinding operations.

[0106] In some possible embodiments of the present invention, the cutter mechanism 90 includes: a cutter bracket 91, a cutter body 92, a pressure roller 93 and a cutter cylinder 94; the cutter bracket 91 is connected to the support table 10; the cutter body 92 is connected to the cutter bracket 91 to achieve cutting of the electrode roll and the diaphragm roll; the pressure roller 93 is connected to the cutter bracket 91 to achieve pressing of the electrode roll and the diaphragm roll; the cutter cylinder 94 is connected to the cutter body 92 to provide power for the movement of the cutter body 92.

[0107] Specifically, this embodiment provides an implementation of a cutter bracket 91, a cutter body 92, a pressure roller 93 and a cutter cylinder 94, and the cutter bracket 91 is provided to support the cutter body 92, the pressure roller 93 and the cutter cylinder 94.

[0108] Furthermore, the cutter body 92 realizes the cutting of the pole piece roll and the diaphragm roll, and the cutter cylinder 94 provides power for the cutter body 92 .

[0109] Furthermore, the pressing roller 93 presses the pole pieces on the pole piece roll and the diaphragms on the diaphragm roll tightly to ensure the winding and unwinding operations and the smooth completion of the cutting.

[0110] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0111] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "mode", "specific mode", or "some modes" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or mode are included in at least one embodiment or mode of the embodiment of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or mode. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or modes in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or modes described in this specification and the features of the different embodiments or modes, without contradiction.

[0112] Finally, it should be noted that the above embodiments are only used to illustrate the present invention, rather than to limit the present invention. Although the present invention is described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions of the technical solutions of the present invention do not depart from the spirit and scope of the technical solutions of the present invention, and should be included in the scope of the claims of the present invention.

Claims

1. A reeling and unreeling device, characterized in that: include: A support platform (10), a support frame (20), a rotating platform (30) and an electric control box (50); The two support frames (20) are arranged on the support platform (10) at intervals; The rotating platform (30) is respectively connected to the two supporting frames (20); The electric control box (50) is connected to the rotating platform (30); The electric control box (50) is used to accommodate control elements and cables, and the electric control box (50) can rotate synchronously with the rotating table (30); Also includes: a power unit (40); The power unit (40) is arranged at one end portion of the rotating table (30) along the rotation axis of the rotating table (30); The electric control box (50) is arranged along the rotation axis at the other end of the rotating table (30) relative to the power unit (40); It also includes: a conductive slip ring (60), the conductive slip ring (60) being arranged along the rotation axis at the other end of the rotating platform (30) relative to the electric control box (50); Wherein, the cables in the electric control box (50) are connected to the conductive slip ring (60); It also includes: a loading mechanism, two loading mechanisms being connected to the rotating platform (30) at intervals along the rotating axis; The two loading mechanisms fix the pole piece roll and the diaphragm roll in a direction perpendicular to the rotation axis, and drive the pole piece roll and the diaphragm roll to rotate.

2. The reeling and unreeling device according to claim 1, characterized in that: Also includes: A bottom slide rail (11), wherein the bottom slide rail (11) is arranged at the bottom of the support platform (10) to adjust the relative position of the support platform (10) along the rotation axis.

3. The reeling and unreeling device according to claim 1, characterized in that: The rotating platform (30) is a hollow structure; The cables in the electric control box (50) are connected to the conductive slip ring (60) via the hollow structure.

4. The reeling and unreeling device according to claim 1, characterized in that: The loading mechanism comprises: a loading platform (70) and a driving assembly (80); The loading platform (70) is connected to the rotating platform (30); The two driving assemblies (80) are symmetrically arranged on the loading platform (70) along a direction perpendicular to the rotation axis; The pole piece roll and the diaphragm roll are respectively connected to two drive assemblies (80) on the same loading platform (70).

5. The reeling and unreeling device according to claim 4, characterized in that: The driving assembly (80) comprises: a base (81), a prime mover (82) and a tensioning head (83); The base (81) is connected to the loading platform (70); The driving member (82) is connected to the base (81); The tensioning head (83) is connected to the prime mover (82) and is connected to the winding shaft of the pole piece roll or the diaphragm roll; The driving member (82) drives the tensioning head (83) to rotate, and the tensioning head (83) drives the pole piece roll or the diaphragm roll to rotate.

6. The reeling and unreeling device according to claim 5, characterized in that: The driving assembly (80) further comprises: an adjusting slide rail (84); The adjusting slide rail (84) is arranged between the base (81) and the loading platform (70), and extends along the rotation axis; Wherein, the relative position between the base (81) and the loading platform (70) is adjusted via the adjusting slide rail (84).

7. The reeling and unreeling device according to claim 1, characterized in that: Also includes: A cutter mechanism (90), the cutter mechanism (90) being connected to the support platform (10) to achieve cutting of the pole piece roll and the diaphragm roll.

8. The reeling and unreeling device according to claim 7, characterized in that: The cutter mechanism (90) comprises: a cutter support (91), a cutter body (92), a pressure roller (93) and a cutter cylinder (94); The cutter support (91) is connected to the support platform (10); The cutter body (92) and the cutter support (91) are used to cut the pole piece roll and the diaphragm roll; The pressing roller (93) is connected to the cutter support (91) to achieve compaction of the pole piece roll and the diaphragm roll; The cutter cylinder (94) is connected to the cutter body (92) to provide power for the movement of the cutter body (92).

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