Slitting device and battery production line

Abstract

The utility model relates to the technical field of battery production, in particular to a slitting device and a battery production line. The slitting device comprises a pair of cutters, and the pair of cutters comprises a first cutter and a second cutter which are oppositely arranged in parallel; the first driving assembly is connected with one of the first cutter and the second cutter and is configured to adjust the distance between the first cutter and the second cutter in the first direction; the first direction is the interval direction of the first cutter and the second cutter. A first driving assembly is arranged, the first driving assembly is connected with one of a first cutter and a second cutter, the first driving assembly is configured to adjust the distance between the first cutter and the second cutter in the first direction, and the first direction is the interval direction of the first cutter and the second cutter; therefore, the cutter leaning amount between the first cutter and the second cutter can be accurately and automatically adjusted through the first driving assembly.

Description

Technical Field

[0001] The present application relates to the technical field of battery production, and in particular to a slitting device and a battery production line. Background Art

[0002] This section merely provides background information related to the present disclosure and is not necessarily prior art.

[0003] With the development of new energy vehicles, the technical level of the lithium battery industry is getting higher and higher, and the industrial manufacturing level of batteries is becoming more and more mature.

[0004] In the battery preparation process, a slitting device is required to slit the electrode sheets. The slitting device includes at least one pair of cutters. Each pair of cutters includes a first cutter and a second cutter. The slitting is achieved by the cooperation of the first cutter and the second cutter.

[0005] The slitting device in the prior art usually manually adjusts the distance between the first cutter and the second cutter, and the adjustment distance is not precise enough. Utility Model Content

[0006] In view of the above problems, the present application provides a slitting device, which solves the problem that the slitting device in the prior art usually manually adjusts the distance between the first cutter and the second cutter, resulting in inaccurate adjustment distance.

[0007] The first aspect of the present application provides a slitting device, the slitting device comprising:

[0008] A pair of cutters, the pair of cutters includes a first cutter and a second cutter arranged relatively parallel to each other; and a first drive assembly, the first drive assembly is connected to one of the first cutter and the second cutter, and is configured to adjust the spacing between the first cutter and the second cutter along a first direction; the first direction is the spacing direction between the first cutter and the second cutter.

[0009] In an embodiment of the present application, a first drive component is provided and connected to one of a first cutter and a second cutter, wherein the first drive component is configured to adjust the spacing between the first cutter and the second cutter along a first direction, wherein the first direction is the spacing direction between the first cutter and the second cutter, so that the amount of contact between the first cutter and the second cutter can be accurately and automatically adjusted by the first drive component.

[0010] In some embodiments of the present application, the slitting device further includes a first mounting seat, and the first driving assembly is disposed on the first mounting seat, wherein the first cutter is connected to the first driving assembly.

[0011] The embodiment of the present application can realize the installation of the first drive assembly by providing the first mounting seat, and can realize the connection with other components through the first mounting seat.

[0012] In some embodiments of the present application, the first driving assembly includes a first telescopic member, and the first cutter is connected to a telescopic rod of the first telescopic member.

[0013] In the embodiment of the present application, by providing a first telescopic member and connecting the first cutter to the telescopic rod of the first telescopic member, the first cutter can be moved and the position of the first cutter can be adjusted by moving the telescopic rod of the first driving member, thereby adjusting the interval between the first cutter and the second cutter and adjusting the amount of contact between the first cutter and the second cutter.

[0014] In some embodiments of the present application, the slitting device also includes a first guide rail, a mounting portion and a second drive component, the first guide rail is arranged on the mounting seat and extends along the first direction; the mounting portion cooperates with the first guide rail and can move along the first direction; the second drive component is arranged on the mounting portion and is transmission-connected to the first cutter to drive the first cutter to move along the second direction, and the second direction intersects with the first direction.

[0015] The embodiment of the present application is provided with a first guide rail, a mounting portion and a second drive component, wherein the first guide rail is provided on the mounting seat and extends along the first direction; the mounting portion cooperates with the first guide rail and can move along the first direction; the second drive component is provided on the mounting portion and is transmission-connected with the first cutter to drive the first cutter to move along the second direction, so that the second drive component can move along the first guide rail, thereby driving the first cutter to move accordingly, and the position of the first cutter can be adjusted in the second direction by the second drive component, so that the feed amount of the first cutter can be automatically adjusted.

[0016] In some embodiments of the present application, the second driving assembly includes a second telescopic member, and the first cutter is connected to the telescopic portion of the second telescopic member.

[0017] In the embodiment of the present application, by providing a second telescopic member and connecting the first cutter to the telescopic portion of the second telescopic member, the first cutter can be driven by movement of the telescopic portion of the second telescopic member to adjust the position in the second direction, thereby adjusting the feed amount of the first cutter.

[0018] In some embodiments of the present application, the slitting device further includes a third driving assembly, which is connected to the telescopic portion of the second telescopic member and can drive the first cutter to rotate around its own center.

[0019] In the embodiment of the present application, a third driving component is provided, and the third driving component is connected to the telescopic part of the second telescopic component and can drive the first cutter to rotate around its own center. The first cutter can be driven to rotate by the third driving component to achieve cutting of objects such as pole pieces.

[0020] In some embodiments of the present application, a second guide rail is provided on the mounting portion, and the second guide rail extends along the second direction; at least a portion of the third drive assembly is slidably engaged with the second guide rail and can move along the second guide rail.

[0021] In the embodiment of the present application, a second guide rail extending along the second direction is provided on the mounting portion, and at least a portion of the third drive assembly is slidably engaged with the second guide rail and can move along the second guide rail. The position of the third drive assembly can be adjusted, thereby adjusting the position of the first cutter along the second direction.

[0022] In some embodiments of the present application, the third driving assembly includes a first driving member, a knife rotor and a transmission member, and the first cutter is arranged on the knife rotor; the transmission member is respectively connected to the first driving member and the knife rotor to make the knife rotor rotate.

[0023] The embodiment of the present application is provided with a first driving member, a knife rotary and a transmission member, wherein the first cutter is provided on the knife rotary, and the transmission member is respectively connected to the first driving member and the knife rotary for transmission, so that when the knife rotary rotates, the knife rotary can be driven to rotate by the first driving member through the transmission member, thereby driving the first cutter to rotate, thereby realizing cutting of products such as pole pieces.

[0024] In some embodiments of the present application, the slitting device further includes a second mounting seat and a knife shaft, the second cutter is disposed on the knife shaft, and the knife shaft is rotatably disposed on the second mounting seat.

[0025] The embodiment of the present application provides a second mounting seat and a knife shaft, wherein the second cutter is provided on the knife shaft, and the knife shaft is rotatably provided on the second mounting seat, thereby realizing the rotation of the second cutter and realizing the coordinated use of the first cutter and the second cutter.

[0026] In some embodiments of the present application, the first mounting seat includes a fixing plate, on which mounting holes for adjusting the horizontal mounting position and / or vertical mounting position of the fixing plate are provided, and the mounting holes are used to install top screws.

[0027] In an embodiment of the present application, a fixing plate is provided, and mounting holes for adjusting the horizontal installation position and / or vertical installation position of the fixing plate are provided on the fixing plate, wherein the mounting holes are used to install top screws, so that the horizontal installation position and / or vertical installation position of the first mounting seat can be adjusted to achieve horizontal installation and / or vertical installation of the first mounting seat.

[0028] The second aspect of the present application proposes a battery production line, comprising the slitting device mentioned in the above embodiment, and the slitting device is used for slitting pole pieces.

[0029] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present application. Moreover, the same reference numerals are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0031] Figure 1 A schematic diagram of the structure of a slitting device provided in some embodiments of the present application;

[0032] Figure 2 for Figure 1 A schematic structural diagram of the slitting device shown in FIG. 1 at a second viewing angle;

[0033] Figure 3 for Figure 2 A partial enlarged structural schematic diagram of the slitting device at position A shown in FIG.

[0034] Figure 4 for Figure 1 The structural schematic diagram of the slitting device shown in FIG. 1 is in a state of use;

[0035] Figure 5 for Figure 4 A schematic structural diagram of the slitting device shown in FIG. 1 at a second viewing angle;

[0036] Figure 6 This is a schematic diagram of the local enlarged structure at B in 5.

[0037] The reference numerals are as follows:

[0038] 100. Slitting device;

[0039] 10. First cut;

[0040] 20. Second cutting knife;

[0041] 30. First driving assembly; 31. First telescopic member; 32. Telescopic rod; 33. First interface;

[0042] 40. First mounting seat; 41. Fixing plate; 42. Mounting hole.

[0043] 50. First guide rail;

[0044] 60. mounting portion; 61. second guide rail;

[0045] 70. second drive assembly; 71. second telescopic member; 72. telescopic portion; 73. second interface;

[0046] 80, third driving assembly; 81, first driving member; 82, knife rotation; 83, transmission member; 84, fixing screw;

[0047] 91. second mounting seat; 92. knife shaft; 93. second driving member;

[0048] 200, pole piece;

[0049] XX, first direction;

[0050] YY, second direction. DETAILED DESCRIPTION

[0051] The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0052] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0053] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0054] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0055] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there may be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0056] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0057] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

[0058] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like 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, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0059] At present, from the perspective of market development, the application of batteries is becoming more and more extensive. Batteries are not only used in energy storage power systems such as hydropower, thermal power, wind power and solar power stations, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, electric cars, as well as military equipment and aerospace and other fields. With the continuous expansion of battery application areas, its market demand is also constantly expanding.

[0060] The battery involved in the embodiment of the present application can be used in, but not limited to, electric devices such as vehicles, ships or aircraft. The battery comprising the battery cell, battery pack, etc. involved in the present application can be used to form the electric device.

[0061] In the embodiments of the present application, the electric devices using batteries as power sources may be, but are not limited to, mobile phones, tablets, laptops, electric toys, electric tools, battery cars, electric cars, ships, spacecraft, etc. Among them, electric toys may include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc., and spacecraft may include airplanes, rockets, space shuttles, and spacecraft, etc.

[0062] It should be understood that the technical solutions described in the embodiments of the present application are not limited to the batteries and electrical equipment described above, but can also be applied to all batteries including a box and electrical equipment using the battery.

[0063] In the battery preparation process, a slitting device is required to slit the electrode sheets. The slitting device includes at least one pair of cutters. Each pair of cutters includes a first cutter and a second cutter. The slitting is achieved by the cooperation of the first cutter and the second cutter.

[0064] The slitting device in the related art usually manually adjusts the distance between the first cutter and the second cutter, and the adjustment distance is not precise enough.

[0065] In order to solve this problem, an embodiment of the present application proposes a slitting device, which includes a pair of cutters, the pair of cutters including a first cutter and a second cutter arranged relatively parallel to each other; and a first drive assembly, the first drive assembly is connected to one of the first cutter and the second cutter, and is configured to adjust the spacing between the first cutter and the second cutter along a first direction; the first direction is the spacing direction between the first cutter and the second cutter, so that the amount of contact between the first cutter and the second cutter can be accurately and automatically adjusted by the first drive assembly.

[0066] The slitting device in the embodiment of the present application can be used in the scenario of slitting products such as electrodes, and can also be used in conjunction with other equipment to implement the slitting process in the assembly line operation of the product.

[0067] The structure in the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0068] The first aspect of the present application provides a slitting device 100, such as Figures 1 to 3 As shown, the slitting device 100 includes a pair of cutters and a first drive assembly 30, the pair of cutters including a first cutter 10 and a second cutter 20 arranged relatively parallel to each other; the first drive assembly 30 is connected to one of the first cutter 10 and the second cutter 20, and is configured to adjust the spacing between the first cutter 10 and the second cutter 20 along a first direction; the first direction is the spacing direction between the first cutter 10 and the second cutter 20.

[0069] Among them, the first cutter 10 is an annular blade, and the second cutter 20 is also an annular blade. During the process of cutting the pole piece 200, the first cutter 10 is in a rotating state, and the second cutter 20 can be in a stationary state or in a rotating state. The cutting of the pole piece 200 is achieved through the cooperation of the first cutter 10 and the second cutter 20.

[0070] Normally, before cutting the electrode sheet 200, it is necessary to adjust the spacing between the first cutter 10 and the second cutter 20 along the first direction, that is, the amount of contact between the first cutter 10 and the second cutter 20, which is usually done manually and has low efficiency. In the present application, by connecting the first drive component 30 to one of the first cutter 10 and the second cutter 20, and configuring it to adjust the spacing between the first cutter 10 and the second cutter 20 along the first direction, the first drive component 30 can be used to drive the first cutter 10 or the second cutter 20, thereby automatically adjusting the amount of contact between the first cutter 10 and the second cutter 20, thereby realizing automatic adjustment of the amount of contact.

[0071] like Figure 1 As shown, the first direction is the XX direction, the second direction is the YY direction, and the first direction and the second direction intersect and may be in a vertical state or in a state approximately vertical.

[0072] In an embodiment of the present application, a first drive component 30 is provided, and the first drive component 30 is connected to one of the first cutter 10 and the second cutter 20, wherein the first drive component 30 is configured to adjust the spacing between the first cutter 10 and the second cutter 20 along a first direction, wherein the first direction is the spacing direction between the first cutter 10 and the second cutter 20, so that the amount of contact between the first cutter 10 and the second cutter 20 can be accurately and automatically adjusted by the first drive component 30.

[0073] Alternatively, if Figure 1 As shown, the slitting device 100 further includes a first mounting seat 40 , and the first driving assembly 30 is disposed on the first mounting seat 40 , wherein the first cutter 10 is connected to the first driving assembly 30 .

[0074] It should be noted that the first mounting seat 40 here can realize the installation of the first driving assembly 30, and can be connected to the workbench, so as to realize the fixation of the slitting device 100. The workbench here can be a fixed object such as a desktop or the ground.

[0075] In addition, the first drive assembly 30 and the first cutter 10 may be directly connected or indirectly connected. Regardless of the connection method, the first drive assembly 30 may be used to move the first cutter 10 .

[0076] In addition, the first mounting seat 40 here includes a plurality of plates, which are connected to each other and are respectively formed on the side and bottom of the first driving assembly 30, etc.

[0077] In the embodiment of the present application, by providing the first mounting seat 40 , the first driving assembly 30 can be installed, and the connection with other components can be achieved through the first mounting seat 40 .

[0078] Specifically, the first mounting seat 40 includes a fixing plate 41, on which mounting holes 42 for adjusting the horizontal mounting position and / or vertical mounting position of the fixing plate 41 are provided, and the mounting holes 42 are used to install top screws (not shown), wherein the mounting holes 42 of each fixing plate 41 can be a two-row structure, and each row of mounting holes 42 is three or more, such as four or five, etc., wherein the mounting holes 42 in each row are arranged at intervals along the horizontal direction, and by installing top screws in the mounting holes 42, the first mounting seat 40 can be installed horizontally and vertically.

[0079] Optionally, there are two fixing plates 41 , which are respectively disposed at two ends of the first mounting seat 40 along the XX direction, so that the first mounting seat 40 can be operated from the left side or the right side.

[0080] In the embodiment of the present application, a fixing plate 41 is provided, and a mounting hole 42 for adjusting the horizontal installation position and / or vertical installation position of the fixing plate 41 is provided on the fixing plate 41, wherein the mounting hole 42 is used to install a top screw, and the horizontal installation position and / or vertical installation position of the first mounting seat 40 can be adjusted to realize the horizontal installation and / or vertical installation of the first mounting seat 40.

[0081] The specific structure of the first driving assembly 30 will be described below.

[0082] Alternatively, if Figure 1 and Figure 2 As shown, the first driving assembly 30 includes a first telescopic member 31 , and the first cutter 10 is connected to a telescopic rod 32 of the first telescopic member 31 .

[0083] The first telescopic member 31 here refers to a member that can drive the first cutter 10 to move in two directions along XX, and can be a structure such as an electric cylinder, a hydraulic cylinder or a pneumatic cylinder, and the first cutter 10 is driven to move accordingly by the movement of the telescopic rod 32 of the first telescopic member 31. In the embodiment of the present application, by setting the first telescopic member 31 and connecting the first cutter 10 to the telescopic rod 32 of the first telescopic member 31, the first cutter 10 can be moved and the position of the first cutter 10 can be adjusted by moving the telescopic rod 32 of the first driving member 81, so that the interval between the first cutter 10 and the second cutter 20 can be adjusted, and the amount of contact between the first cutter 10 and the second cutter 20 can be adjusted.

[0084] Optionally, the first driving component 30 further includes a first interface 33, wherein the number of the first interfaces 33 is two, which can realize the connection between the first telescopic member 31 and the outside world. The first interface 33 here can be a power interface or an interface with other functions.

[0085] Alternatively, if Figure 1 As shown, the slitting device 100 also includes a first guide rail 50, a mounting portion 60 and a second drive assembly 70. The first guide rail 50 is arranged on the mounting seat and extends along the first direction; the mounting portion 60 is guided and matched with the first guide rail 50 and can move along the first direction; the second drive assembly 70 is arranged on the mounting portion 60 and is transmission-connected to the first cutter 10 to drive the first cutter 10 to move along the second direction, and the second direction intersects with the first direction.

[0086] It should be noted that the number of the first guide rails 50 here can be one or two, and the two first guide rails 50 are arranged at intervals along the YY direction, so that the movement of the mounting portion 60 can be smoother.

[0087] The embodiment of the present application is provided with a first guide rail 50, a mounting portion 60 and a second drive assembly 70, wherein the first guide rail 50 is provided on the mounting seat and extends along the first direction; the mounting portion 60 is guided and matched with the first guide rail 50 and can move along the first direction; the second drive assembly 70 is provided on the mounting portion 60 and is transmission-connected with the first cutter 10 to drive the first cutter 10 to move along the second direction, so that the second drive assembly 70 can move along the first guide rail 50, thereby driving the first cutter 10 to move accordingly, and the position of the first cutter 10 can be adjusted in the second direction by the second drive assembly 70, so that the feed amount of the first cutter 10 can be automatically adjusted.

[0088] In some embodiments of the present application, the second driving assembly 70 includes a second telescopic member 71 , and the first cutter 10 is connected to a telescopic portion 72 of the second telescopic member 71 .

[0089] Among them, the second telescopic member 71 here refers to a component that can drive the first cutter 10 to move in two directions along YY, and can be a structure such as an electric cylinder, a hydraulic cylinder or a pneumatic cylinder. The movement of the telescopic part 72 of the second telescopic member 71 drives the first cutter 10 to move accordingly, thereby adjusting the feed amount of the first cutter 10.

[0090] In the embodiment of the present application, by providing a second telescopic member 71 and connecting the first cutter 10 to the telescopic portion 72 of the second telescopic member 71, the first cutter 10 can be driven by the movement of the telescopic portion 72 of the second telescopic member 71 to adjust the position in the second direction, thereby adjusting the feed amount of the first cutter 10.

[0091] Optionally, the second driving component 70 further includes a second interface 73, wherein the number of the second interfaces 73 is two, which can realize the connection between the second telescopic member 71 and the outside world. The second interface 73 here can be a power interface or an interface with other functions.

[0092] Optionally, the slitting device 100 further includes a third driving assembly 80 , which is connected to the telescopic portion 72 of the second telescopic member 71 and can drive the first cutter 10 to rotate around its own center.

[0093] It should be noted that the third driving assembly 80 can be connected to the first cutter 10, so as to drive the first cutter 10 to rotate.

[0094] In the embodiment of the present application, a third driving component 80 is provided, and the third driving component 80 is connected to the telescopic portion 72 of the second telescopic member 71 and can drive the first cutter 10 to rotate around its own center. The first cutter 10 can be driven to rotate by the third driving component 80 to achieve cutting of objects such as the pole piece 200.

[0095] Alternatively, if Figure 3 As shown, a second guide rail 61 is provided on the mounting portion 60 , and the second guide rail 61 extends along the second direction; at least a portion of the third driving assembly 80 is slidably matched with the second guide rail 61 and can move along the second guide rail 61 .

[0096] The number of the second guide rails 61 here can be one or two, and the two second guide rails 61 are arranged at an interval, which can achieve smooth movement of the third driving component 80 along the YY direction.

[0097] In the embodiment of the present application, a second guide rail 61 extending along the second direction is provided on the mounting portion 60, and at least a portion of the third drive assembly 80 is slidably engaged with the second guide rail 61 and can move along the second guide rail 61. The position of the third drive assembly 80 can be adjusted, thereby adjusting the position of the first cutter 10 along the second direction.

[0098] Alternatively, if Figure 3 As shown, the third driving assembly 80 includes a first driving member 81, a knife rotary 82 and a transmission member 83, and the first cutter 10 is arranged on the knife rotary 82; the transmission member 83 is respectively connected to the first driving member 81 and the knife rotary 82 to make the knife rotary 82 rotate.

[0099] It should be noted that the first driving member 81 here can be a motor structure, such as a rotary motor, or other rotating structures. The knife rotary 82 here is a disc-shaped structure, which can realize the installation of the first cutter 10. The transmission member 83 here can be a belt structure or a chain structure to realize the transmission of power.

[0100] It should be noted that, in order to disassemble the first cutter 10 from the cutter shaft 82 , a fixing screw 84 may be used to tighten or loosen the first cutter 10 , thereby facilitating replacement or repair of the first cutter 10 .

[0101] The embodiment of the present application is provided with a first driving member 81, a knife rotary 82 and a transmission member 83, wherein the first cutter 10 is provided on the knife rotary 82, and the transmission member 83 is respectively connected to the first driving member 81 and the knife rotary 82 for transmission so that the knife rotary 82 can rotate. Then, the first driving member 81 can drive the knife rotary 82 to rotate through the transmission member 83, thereby driving the first cutter 10 to rotate, thereby realizing the cutting of products such as the pole piece 200.

[0102] Alternatively, if Figure 1 As shown, the slitting device 100 further includes a second mounting seat 91 and a knife shaft 92 , the second cutter 20 is disposed on the knife shaft 92 , and the knife shaft 92 is rotatably disposed on the second mounting seat 91 .

[0103] In order to realize the rotation of the knife shaft 92 , the slitting device 100 further includes a second driving member 93 , wherein the second driving member 93 is connected to the knife shaft 92 , and can realize the rotation of the knife shaft 92 , thereby driving the second cutter 20 , and realizing the rotation of the second cutter 20 .

[0104] The embodiment of the present application sets a second mounting seat 91 and a knife shaft 92, wherein the second cutter 20 is arranged on the knife shaft 92, and the knife shaft 92 is rotatably arranged on the second mounting seat 91, so that the second cutter 20 can be rotated, and the first cutter 10 and the second cutter 20 can be used in coordination.

[0105] Of course, the second cutter 20 here can also be fixed and only needs to clamp the electrode piece 200.

[0106] Continue to refer to Figures 4 to 6As shown, before the slitting device 100 slits the electrode sheet 200, the first drive component 30 first adjusts the position of the first cutter 10 along the XX direction, automatically adjusts the distance between the first cutter 10 and the second cutter 20, and then adjusts the position of the first cutter 10 along the YY direction through the second drive component 70, thereby adjusting the feed amount of the first cutter 10.

[0107] During the slitting process, the first cutter 10 and the second cutter 20 are rotated by the rotation of the third driving assembly 80 and the second driving member 93, so as to slitting the pole piece 200. The slitting here is also called slitting, which can divide the pole piece 200 from one part into two or more parts.

[0108] exist Figure 4 In the embodiment, the cutters are a pair, that is, the number of the first cutter 10 and the second cutter 20 are both one, and the pole piece 200 can be divided from one part into two parts; when the pole piece 200 needs to be divided into three parts at the same time, the cutters can be set to two pairs, that is, the number of the first cutter 10 and the second cutter 20 are both two, and other cases are not given examples here.

[0109] The second aspect of the present application proposes a battery production line, comprising the slitting device 100 mentioned in the above embodiment, and the slitting device 100 is used to slitting pole pieces 200 .

[0110] Of course, the battery production line here also includes a conveying device, wherein the conveying device can realize the conveyance of the electrode sheet 200, so that the electrode sheet 200 can be cut by the cutting device 100 during the movement.

[0111] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below.

[0112] The first aspect of the present application proposes a slitting device 100, which includes a pair of cutters, the pair of cutters including a first cutter 10 and a second cutter 20 arranged in parallel with each other; and a first drive assembly 30, the first drive assembly 30 is connected to one of the first cutter 10 and the second cutter 20, and is configured to adjust the spacing between the first cutter 10 and the second cutter 20 along a first direction; the first direction is the spacing direction between the first cutter 10 and the second cutter 20. Further, the slitting device 100 also includes a first mounting seat 40, the first drive assembly 30 is arranged on the first mounting seat 40, wherein the first cutter 10 is connected to the first drive assembly 30. Further, the first drive assembly 30 includes a first telescopic member 31, and the first cutter 10 is connected to a telescopic rod 32 of the first telescopic member 31. Further, the slitting device 100 further includes a first guide rail 50, a mounting portion 60 and a second drive assembly 70, wherein the first guide rail 50 is arranged on the mounting seat and extends along the first direction; the mounting portion 60 is guided and matched with the first guide rail 50 and can move along the first direction; the second drive assembly 70 is arranged on the mounting portion 60 and is transmission-connected with the first cutter 10 to drive the first cutter 10 to move along the second direction, and the second direction intersects with the first direction. Further, the second drive assembly 70 includes a second telescopic member 71, and the first cutter 10 is connected to the telescopic portion 72 of the second telescopic member 71. Further, the slitting device 100 further includes a third drive assembly 80, and the third drive assembly 80 is connected to the telescopic portion 72 of the second telescopic member 71 and can drive the first cutter 10 to rotate around its own center. Further, the mounting portion 60 is provided with a second guide rail 61, and the second guide rail 61 extends along the second direction; at least part of the third drive assembly 80 is slidably matched with the second guide rail 61 and can move along the second guide rail 61. Further, the third driving assembly 80 includes a first driving member 81, a knife rotary 82 and a transmission member 83, the first cutter 10 is arranged on the knife rotary 82; the transmission member 83 is respectively connected to the first driving member 81 and the knife rotary 82, so that the knife rotary 82 rotates. Further, the slitting device 100 also includes a second mounting seat 91 and a knife shaft 92, the second cutter 20 is arranged on the knife shaft 92, and the knife shaft 92 is rotatably arranged on the second mounting seat 91. Further, the first mounting seat 40 includes a fixing plate 41, and the fixing plate 41 is provided with a mounting hole 42 for adjusting the horizontal mounting position and / or vertical mounting position of the fixing plate 41, and the mounting hole 42 is used to install a top screw.

[0113] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A slitting device, characterized in that: The slitting device comprises: a pair of cutters, the pair of cutters comprising a first cutter and a second cutter arranged in parallel with each other; and a first drive assembly connected to one of the first cutter and the second cutter and configured to adjust a distance between the first cutter and the second cutter along a first direction; The first direction is a spacing direction between the first cutter and the second cutter.

2. The slitting device according to claim 1, characterized in that: The slitting device also includes: A first mounting seat, the first driving assembly is arranged on the first mounting seat, wherein the first cutter is connected to the first driving assembly.

3. The slitting device according to claim 2, characterized in that: The first driving assembly comprises: A first telescopic member, wherein the first cutter is connected to a telescopic rod of the first telescopic member.

4. The slitting device according to claim 2, characterized in that: The slitting device also includes: a first guide rail, the first guide rail being disposed on the mounting seat and extending along the first direction; A mounting portion, the mounting portion is in guiding cooperation with the first guide rail and is movable along the first direction; and A second driving assembly is disposed on the mounting portion and is drivingly connected to the first cutter to drive the first cutter to move along a second direction, wherein the second direction intersects with the first direction.

5. The slitting device according to claim 4, characterized in that: The second driving assembly comprises: A second telescopic member, wherein the first cutter is connected to the telescopic portion of the second telescopic member.

6. The slitting device according to claim 5, characterized in that: The slitting device also includes: A third driving assembly is connected to the telescopic portion of the second telescopic member and can drive the first cutter to rotate around its own center.

7. The slitting device according to claim 6, characterized in that: The mounting portion is provided with a second guide rail, and the second guide rail extends along the second direction; At least part of the third drive assembly is slidably engaged with the second guide rail and is movable along the second guide rail.

8. The slitting device according to claim 6, characterized in that: The third driving assembly includes: a first driving member; a knife wheel, wherein the first cutting knife is arranged on the knife wheel; and A transmission member is respectively connected to the first driving member and the knife rotor to rotate the knife rotor.

9. The slitting device according to any one of claims 1 to 8, characterized in that: The slitting device also includes: a second mount; and A knife shaft, the second cutter is arranged on the knife shaft, and the knife shaft is rotatably arranged on the second mounting seat.

10. The slitting device according to any one of claims 2 to 8, characterized in that: The first mounting seat includes a fixing plate, and the fixing plate is provided with a mounting hole for adjusting the horizontal mounting position and / or the vertical mounting position of the fixing plate, and the mounting hole is used for installing a top screw.

11. A battery production line, characterized in that: It comprises a slitting device as claimed in any one of claims 1 to 10, wherein the slitting device is used for slitting pole pieces.

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