Cutter and cutting device

Abstract

The utility model relates to the technical field of cutting, and provides a cutter and a cutting device. The cutter comprises a first seat body, a first cutter body and at least two elastic mechanisms. The first seat body is provided with at least two mounting channels. The at least two mounting channels are arranged at intervals in the first direction. The first cutter body is movably mounted on the first seat body; and each elastic mechanism is correspondingly mounted in one mounting channel. At least part of the elastic mechanism penetrates out of the mounting channel and abuts against the first cutter body. And the first cutter body is configured to enable one end of the first cutter body to move towards the direction of the mounting channel under the action of external force, so that the other end of the first cutter body is staggered with a cutter edge of the matched second cutter body. Therefore, the knife edges of the first knife body and the second knife body can avoid each other, so that the abrasion degree of the knife edges is reduced, and the service life of the knife is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting technical field, concretely relates to a cutter and cutting device. BACKGROUND

[0002] In the related art, when the battery pole piece is wound and cut, a structure of double knives engaging is usually used to cut the pole piece. The double knives engaging usually adopt bolt fixation on the corresponding knife seat, and the cutting of the pole piece is realized by driving one of the knife seats to act. However, in the process of cutting, the double knives engage closely, which causes serious wear of the knife edge and shortens the service life of the knife. SUMMARY

[0003] The embodiment of the utility model provides a cutter and cutting device, can reduce the wear degree of the knife edge, and improves the service life of the cutter.

[0004] In the first aspect, the embodiment of the utility model provides a cutter, which comprises:

[0005] A first seat body is configured with at least two installation channels, and the at least two installation channels are arranged at intervals along a first direction;

[0006] A first knife body is movably installed in the first seat body;

[0007] At least two elastic mechanisms are installed in the installation channel respectively, at least part of the elastic mechanism penetrates out of the installation channel, and the first knife body is in abutment with the elastic mechanism;

[0008] The first knife body is configured to move one end of the first knife body towards the direction of the installation channel under the action of an external force, so that the other end of the first knife body is dislocated with the knife edge of the corresponding second knife body.

[0009] In an embodiment, the elastic mechanism comprises:

[0010] An abutment piece is installed in the installation channel, at least part of the abutment piece penetrates out of the first end of the installation channel, and the first knife body is in abutment with the abutment piece;

[0011] A locking piece is arranged at the second end of the installation channel;

[0012] A first elastic piece is arranged in the installation channel, and two ends of the first elastic piece are in abutment with the abutment piece and the locking piece respectively.

[0013] In an embodiment, the abutment piece is provided in a spherical shape, the second end of the installation channel is formed with an opening, and the diameter of the opening is smaller than the diameter of the abutment piece.

[0014] In an embodiment, the first seat body is provided with a first mounting hole, the first cutter body is provided with a second mounting hole, the first mounting hole and the second mounting hole are connected by a fastener, wherein the fastener has a mounting allowance, so that the first cutter body is relatively movable with the first seat body.

[0015] In a second aspect, the embodiments of the utility model also provide a cutting device, including:

[0016] The cutter as described above;

[0017] A second seat body is movably connected with the first seat body;

[0018] A second cutter body is installed on the second seat body, and the second cutter body is oppositely arranged with the cutting edge of the first cutter body.

[0019] The first seat body and the second seat body are configured to approach or move away from each other under the action of an external force, so that the first cutter body and the second cutter body approach or move away from each other.

[0020] In an embodiment, the first cutter body is configured with a guide portion extending towards the second cutter body, and the guide portion is configured with a slope on one side facing the second cutter body, and the slope is configured to drive the first cutter body to move after contacting the second cutter body, so that the cutting edges of the first cutter body and the second cutter body are misaligned.

[0021] In an embodiment, along the extension direction of the guide portion, the slope is inclined away from the second cutter body.

[0022] In an embodiment, the inclination angle of the slope is α, and 0° < α ≤ 15° is satisfied.

[0023] In an embodiment, the first seat body includes:

[0024] A fixing member;

[0025] A guide member is connected with the fixing member, and the guide member extends towards the second seat body;

[0026] A movable member is slidingly installed on the guide member, wherein the movable member is spaced apart from the second seat body, and the first cutter body is installed on the movable member.

[0027] A second elastic member is sleeved on the guide member, and two ends of the second elastic member are respectively in abutment with the movable member and the second seat body.

[0028] In an embodiment, the cutting device further includes:

[0029] A pressing part is installed on the side of the movable part facing the second seat body, wherein the area between the pressing part and the second seat body is used for clamping the pole piece.

[0030] The embodiment of the utility model has the advantages of:

[0031] In the embodiment of the utility model, the first cutter body is abutted by at least two elastic mechanisms to ensure that the first cutter body is uniformly stressed at each position when the first cutter body and the second cutter body are engaged for cutting, thereby reducing the possibility of burr formation during cutting of the pole piece. At the moment when the first cutter body and the second cutter body finish cutting, the first cutter body can be moved in the direction of the mounting channel under the action of external force. At this time, the first cutter body can push the elastic mechanism back into the mounting channel to prevent position interference of the elastic mechanism. Meanwhile, the other end of the first cutter body can be misaligned with the cutting edge of the second cutter body. In this way, the cutting edges of the first cutter body and the second cutter body can be mutually avoided, thereby reducing the degree of wear of the cutting edges and prolonging the service life of the cutter. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the drawings needed in the embodiment description 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 those skilled in the art without creative labor.

[0033] Figure 1 is one of the three-dimensional schematic views of the cutting device provided by the embodiment of the utility model;

[0034] Figure 2 is the second three-dimensional schematic view of the cutting device provided by the embodiment of the utility model;

[0035] Figure 3 is the three-dimensional schematic view of the first seat body provided by the embodiment of the utility model;

[0036] Figure 4 is the sectional view of the first seat body provided by the embodiment of the utility model;

[0037] Figure 5 is the three-dimensional schematic view of the first cutter body provided by the embodiment of the utility model.

[0038] Reference signs:

[0039] 10-First base body, 110-Mounting channel, 120-First mounting hole, 130-Fixing component, 140-Guide component, 150-Moving component, 160-Second elastic component, 170-Opening, 20-First blade body, 210-Second mounting hole, 220-Guide section, 230-Bevel, 30-Elastic mechanism, 310-Abutting component, 320-Locking component, 330-First elastic component, 40-Fastener, 50-Second base body, 60-Second blade body, 70-Clamping component, 710-Connecting post, 720-Third elastic component. Detailed Implementation

[0040] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model. In addition, it should be understood that the specific embodiments described herein are only for illustration and explanation of the present utility model and are not intended to limit the present utility model. In the present utility model, unless otherwise stated, directional terms such as "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, specifically the drawing directions in the accompanying drawings; while "inner" and "outer" refer to the outline of the device.

[0041] like Figures 1 to 5 As shown in the illustration, this application provides a cutting tool. The cutting tool includes a first base 10, a first blade 20, and at least two elastic mechanisms 30. The first base 10 has at least two mounting channels 110. The at least two mounting channels 110 are spaced apart along a first direction. The first blade 20 is movably mounted on the first base 10. Each elastic mechanism 30 is correspondingly mounted within a mounting channel 110. At least a portion of the elastic mechanism 30 extends out of the mounting channel 110 and abuts against the first blade 20. The first blade 20 is configured such that, under the action of an external force, one end moves toward the mounting channel 110, causing its other end to be misaligned with the cutting edge of a mating second blade 60.

[0042] It can be understood that, based on the first cutter body 20 being movably mounted to the first seat body 10, if only one elastic mechanism 30 abuts against the first cutter body 20, the force acting on the first cutter body 20 is unbalanced, and the first cutter body 20 may shake at a position far from the elastic mechanism 30, resulting in burrs and other phenomena in the process of cutting the pole piece. In the embodiment of the present application, the first cutter body 20 is abutted by at least two elastic mechanisms 30, so that the first cutter body 20 has multiple force points in the interval direction of the elastic mechanisms 30, so that the force acting on each position of the first cutter body 20 after being abutted by the at least two elastic mechanisms 30 is relatively uniform. Thus, when the first cutter body 20 and the second cutter body 60 engage to cut the pole piece, the first cutter body 20 has multiple positions abutted by the elastic mechanisms 30, reducing the possibility of the first cutter body 20 shaking, so that the force acting on each position of the first cutter body 20 is as uniform as possible, thereby reducing the possibility of burrs in the process of cutting the pole piece.

[0043] It should be noted that, before the first cutter body 20 and the second cutter body 60 engage, the first cutter body 20 and the second cutter body are arranged oppositely, the first cutter body 20 is in an initial state, and the elastic mechanism 30 is in a first state. The first state can be a compressed state, so as to ensure that the elastic mechanism 30 can exert a force on the first cutter body 20. After the first cutter body 20 and the second cutter body 60 approach each other and cut the pole piece, the first cutter body 20 will switch to a cutting completion state under the action of an external force. In the state switching process of the first cutter body 20, the first cutter body 20 moves towards the direction of the installation channel 110, thereby compressing the elastic mechanism 30, so that the elastic mechanism 30 switches to a second state. The second state is a compressed state, and the compression amount of the elastic mechanism 30 in the second state is greater than the compression amount of the elastic mechanism 30 in the first state. That is, at the moment when the first cutter body 20 and the second cutter body 60 finish cutting, the first cutter body 20 can move its one end towards the direction of the installation channel 110 under the action of an external force, so that the first cutter body 20 pushes the elastic mechanism 30 back into the installation channel 110, thereby preventing the elastic mechanism 30 from interfering with the position. At the same time, the cutting edges of the first cutter body 20 and the second cutter body 60 arranged oppositely are misaligned, so that the cutting edges of the first cutter body 20 and the second cutter body 60 avoid each other, thereby reducing the degree of wear of the cutting edges and improving the service life of the cutting tool.

[0044] The cutting tool in the embodiment of the present application cuts the pole piece in the following manner: the pole piece is arranged between the first cutter body 20 and the second cutter body 60. The first cutter body 20 and the second cutter body 60 are driven to approach each other, and when the cutting edges of the first cutter body 20 and the second cutter body 60 engage, the pole piece can be cut. In the process of cutting the pole piece, the first cutter body 20 is always in abutment with the at least two elastic mechanisms 30, so as to ensure that the position of the first cutter body 20 does not deviate and shake, thereby reducing the possibility of burrs in the process of cutting the pole piece.

[0045] It should be noted that the timing of the external force acting on the first cutter body 20 is that the first cutter body 20 is in contact with the second cutter body 60 and just completes the cutting of the pole piece. At this time, the external force is applied to the first cutter body 20, so that the cutting edge of the first cutter body 20 is misaligned with the cutting edge of the second cutter body 60, thereby reducing the wear degree of the cutting edge of the first cutter body 20 and the cutting edge of the second cutter body 60, and prolonging the service life of the first cutter body 20 and the second cutter body 60.

[0046] It can be understood that the first cutter body 20 and the second cutter body 60 cooperate to cut the pole piece. The elastic mechanism 30 arranged at intervals in the first direction is used to abut against the first cutter body 20, so as to apply a force to the first cutter body 20, so as to ensure that the first cutter body 20 does not move before cutting the pole piece, and prevent cutting deviation. At the same time, the use of multiple elastic mechanisms 30 to abut against the first cutter body 20 can also make the force acting on the first cutter body 20 in the first direction relatively uniform, prevent the cutting stress from being uneven due to different engagement degrees of the cutting edge of the first cutter body 20, and cause burr phenomenon in the cutting of the pole piece.

[0047] As shown in Figure 3 The first direction can be the length direction of the first cutter body 20. By constructing at least two installation channels 110 arranged at intervals in the length direction of the first cutter body 20 on the first seat body 10, and arranging an elastic mechanism 30 in each installation channel 110, the force acting on the first cutter body 20 in the length direction can be uniform, preventing the cutting stress from being uneven due to different engagement degrees of the cutting edge of the first cutter body 20, and causing burr phenomenon in the cutting of the pole piece.

[0048] The first cutter body 20 is connected to the first seat body 10 in a movable manner, so that the first cutter body 20 can be flipped to a certain extent. Thus, the first cutter body 20 can act under the action of an external force, so as to form an avoidance with the second cutter body 60 after cutting. Based on the movable connection between the first cutter body 20 and the first seat body 10, the position of the first cutter body 20 can also be locked when the at least two elastic mechanisms 30 abut against the first cutter body 20, preventing the position of the first cutter body 20 from shifting during cutting. The flipping direction of the first cutter body 20 is that the first cutter body 20 rotates around the connection position of the first cutter body 20 and the first seat body 10, so that one end of the first cutter body 20 rotates towards the direction of the installation channel 110, and the other end of the first cutter body 20 rotates away from the position of the cutting edge of the second cutter body 60.

[0049] The cutting edge of the first cutter body 20 can be misaligned with the cutting edge of the second cutter body 60 by only 0.5 mm or 1 mm, which is sufficient to ensure that the cutting edge of the first cutter body 20 avoids the cutting edge of the second cutter body 60.

[0050] In some embodiments, the external force on the first blade 20 can be provided by its own guide portion 220. The guide portion 220 can always abut against the second blade 60. The guide portion 220 has an inclined surface 230. When the inclined surface 230 abuts against the second blade 60, a force is applied along the direction of the inclined surface 230 to cause the first blade 20 to move to a certain extent away from the second blade 60, thereby achieving avoidance.

[0051] Under external force, the first blade 20 can both avoid contact with the second blade 60 and push the elastic mechanism 30 back into the mounting channel 110. The elastic mechanism 30 can be fully or partially pushed back into the mounting channel 110. When the external force is removed and the first blade 20 moves away from the second blade 60, the elastic mechanism can self-recover and at least partially extend out of the mounting channel 110 to abut against the first blade 20.

[0052] like Figure 4 As shown, in some embodiments, the elastic mechanism 30 includes an abutment 310, a locking member 320, and a first elastic member 330. The abutment 310 is installed within the mounting channel 110. At least a portion of the abutment 310 extends through a first end of the mounting channel 110 and abuts against the first blade body 20. The locking member 320 is located at a second end of the mounting channel 110. The first elastic member 330 is located within the mounting channel 110. Both ends of the first elastic member 330 abut against the abutment 310 and the locking member 320, respectively.

[0053] The abutment 310 extends at least partially through the first end of the mounting channel 110 to abut against the first blade body 20. The locking member 320 is used to close the second end of the mounting channel 110, thereby enabling the first elastic member 330 to apply force to the abutment 310, ensuring that the abutment 310 can apply force to the first blade body 20.

[0054] The first elastic element 330 is a spring, and it is always in a contracted state so that it can always exert a force on the abutment 310, ensuring that the abutment 310 can abut against the first blade body 20. When the first blade body 20 is subjected to an external force, it can drive the abutment 310 to move into the mounting channel 110 and cause the first elastic element 330 to contract. When the external force is removed from the first blade body 20, the first elastic element 330 will extend and push the abutment 310 to move out of the mounting channel 110, so that the abutment 310 is at least partially located outside the mounting channel 110 and abuts against the first blade body 20.

[0055] In some embodiments, the second end of the mounting channel 110 can be provided with an internal thread, and the locking member 320 can be connected with a threaded column, which is threadedly connected with the mounting channel 110 and internally abuts against the first elastic member 330.

[0056] In some embodiments, the abutting member 310 is provided in a spherical shape. The second end of the mounting channel 110 is formed with an opening 170. The diameter of the opening 170 is smaller than the diameter of the abutting member 310.

[0057] It can be understood that, based on the diameter of the opening 170 of the second end of the mounting channel 110 being smaller than the diameter of the abutting member 310, the abutting member 310 is prevented from leaking out of the second end of the mounting channel 110.

[0058] For example, a circular ring structure can be installed at the second end of the mounting channel 110, and the middle region of the circular ring structure can be used as the opening. In this way, the diameter of the opening 170 can be made smaller than the diameter of the mounting channel 110, and the diameter of the opening 170 can be made smaller than the diameter of the abutting member 310. The diameter of the abutting member 310 can be the same as the diameter of the mounting channel 110, or the diameter of the abutting member 310 can be slightly smaller than the diameter of the mounting channel 110, so as to ensure that the abutting member 310 can be installed in the mounting channel 110 from the first end of the mounting channel 110.

[0059] For example, the diameter of the mounting channel 110 can be tapered near the second end, and the diameter of the opening 170 can be made smaller than the diameter of the abutting member 310. In other positions, the diameter of the mounting channel 110 can be greater than or equal to the diameter of the abutting member 310. In this way, the abutting member 310 can be installed in the mounting channel 110 from the first end of the mounting channel 110, and is prevented from leaking out of the second end.

[0060] In some embodiments, the first seat body 10 is provided with a first mounting hole 120. The first blade body 20 is provided with a second mounting hole 210. The first mounting hole 120 and the second mounting hole 210 are connected by a fastener 40. The fastener 40 has a mounting allowance, so that the first blade body 20 is relatively movable with respect to the first seat body 10.

[0061] It can be understood that the fastener 40 can be arranged in the first mounting hole 120 and the second mounting hole 210, so as to mount the first blade body 20 to the first seat body 10. The mounting allowance of the fastener 40 can allow the first blade body 20 to be relatively movable with respect to the first seat body 10, so that the first blade body 20 can be retracted from the second blade body 60 under the action of an external force.

[0062] The installation allowance of the fastener 40 can refer to that after the fastener 40 is installed in the first installation hole 120 and the second installation hole 210, a gap is formed between the end of the fastener 40 and the first blade body 20, so that the first blade body 20 can rotate slightly at the gap.

[0063] The installation allowance of the fastener 40 can be realized by making the threaded column length of the fastener 40 longer, or by controlling the screwing depth of the fastener 40 during installation.

[0064] The fastener 40 can be a bolt. The threaded column of the fastener 40 can have a notch, so that the first blade body 20 can rotate to a certain extent under the action of an external force based on the accommodation of the notch. Alternatively, the first blade body 20 can also rotate to a certain extent under the action of an external force based on the flexibility of the first blade body 20.

[0065] It can be understood that after the first blade body 20 is fixed to the first seat body 10 by the fastener 40 based on the installation allowance, the middle position of the first blade body 20 is locked by the fastener 40, but can rotate to a certain extent. Under the action of at least two elastic mechanisms 30, the first blade body 20 can realize engagement with the second blade body 60 and complete cutting of the pole piece. Under the action of an external force, based on the locking of the middle position of the first blade body 20, the elastic mechanism 30 can be pushed back into the installation channel 110 when the first blade body 20 avoids.

[0066] As shown in FIGS. Figure 1 and Figure 2 The application further provides a cutting device. The cutting device comprises a second seat body 50, a second blade body 60, and a cutter as in the foregoing embodiments. The second seat body 50 is movably connected with the first seat body 10. The second blade body 60 is installed on the second seat body 50. The second blade body 60 is arranged opposite to the cutting edge of the first blade body 20. The first seat body 10 and the second seat body 50 are configured to approach or move away from each other under the action of an external force, so that the first blade body 20 and the second blade body 60 approach or move away from each other.

[0067] It can be understood that, based on the first cutter body 20 being movably mounted to the first seat body 10, if only one elastic mechanism 30 is used to abut against the first cutter body 20, the force acting on the first cutter body 20 is unbalanced, and the first cutter body 20 can shake at a position far from the elastic mechanism 30, causing burrs and other phenomena during the cutting of the pole piece. In the embodiment of the present application, the first cutter body 20 has multiple force points in the spacing direction of the elastic mechanisms 30 by the abutment of the at least two elastic mechanisms 30 against the first cutter body 20, so that the force acting on each position of the first cutter body 20 after the abutment of the first cutter body 20 against the at least two elastic mechanisms 30 is relatively uniform. Thus, when the first cutter body 20 and the second cutter body 60 engage to cut the pole piece, the first cutter body 20 has multiple positions abutted by the elastic mechanisms 30, reducing the possibility of shaking of the first cutter body 20, and making the force acting on each position of the first cutter body 20 as uniform as possible, thereby reducing the possibility of burrs during the cutting of the pole piece.

[0068] It should be noted that, before the first cutter body 20 and the second cutter body 60 engage, the first cutter body 20 and the second cutter body are arranged oppositely, the first cutter body 20 is in an initial state, and the elastic mechanism 30 is in a first state. The first state can be a compressed state, so as to ensure that the elastic mechanism 30 can exert a force on the first cutter body 20. After the first cutter body 20 and the second cutter body 60 approach each other and cut the pole piece, the first cutter body 20 will switch to a cutting completion state under the action of an external force. During the state switching process of the first cutter body 20, the first cutter body 20 moves towards the installation channel 110, thereby compressing the elastic mechanism 30, so that the elastic mechanism 30 switches to a second state. The second state is a compressed state, and the compression amount of the elastic mechanism 30 in the second state is greater than the compression amount of the elastic mechanism 30 in the first state. That is, at the moment when the first cutter body 20 and the second cutter body 60 finish cutting, the first cutter body 20 can move its one end towards the installation channel 110 under the action of an external force, so that the first cutter body 20 pushes the elastic mechanism 30 back into the installation channel 110, thereby preventing the elastic mechanism 30 from interfering with the position. At the same time, the first cutter body 20 and the second cutter body 60 form a misalignment of the cutting edges, so that the cutting edges of the first cutter body 20 and the second cutter body 60 avoid each other, thereby reducing the degree of wear of the cutting edges and improving the service life of the cutting tool.

[0069] The cutting device in the embodiment of the present application realizes the cutting of the pole piece in the following manner: the pole piece is arranged between the first cutter body 20 and the second cutter body 60. The first seat body 10 and the second seat body 50 are driven to approach each other, so that the first cutter body 20 and the second cutter body 60 can approach each other. When the cutting edges of the first cutter body 20 and the second cutter body 60 engage, the pole piece can be cut. During the cutting of the pole piece, the first cutter body 20 is always in abutment with the at least two elastic mechanisms 30, so as to ensure that the position of the first cutter body 20 does not deviate and shake, and reduce the possibility of burrs during the cutting of the pole piece.

[0070] It should be noted that the external force applied to the first cutter body 20 occurs at the exact moment the first cutter body 20 comes into contact with the second cutter body 60 and completes the cutting of the electrode sheet. Applying external force to the first cutter body 20 at this moment causes the cutting edges of the first cutter body 20 and the second cutter body 60 to become misaligned, thereby reducing the wear on the cutting edges of both cutters and extending their service life.

[0071] Understandably, the second base 50 is used to fix the second cutter body 60. The second base 50 is disposed opposite to the first base 10 and is movable relative to it, so that the first base 10 and the second base 50 can move closer to each other or further apart. When the first base 10 and the second base 50 move closer to each other, the first cutter body 20 and the second cutter body 60 move closer to each other, thereby achieving the cutting of the electrode sheet. When the first base 10 and the second base 50 move further apart, the first cutter body 20 and the second cutter body 60 move further apart, so that the first cutter body 20 and the second cutter body 60 return to their initial positions for subsequent cutting.

[0072] like Figure 5 As shown, in some embodiments, the first blade 20 is provided with a guide portion 220 extending toward the second blade 60. The guide portion 220 has a bevel 230 on the side facing the second blade 60. The bevel 230 is configured to drive the first blade 20 to move upon contact with the second blade 60, thereby misaligning the cutting edges of the first blade 20 and the second blade 60.

[0073] It is understandable that when the first blade 20 and the second blade 60 approach each other, the guide portion 220 first contacts the second blade 60 to provide a guiding effect. When the cutting edge of the first blade 20 contacts the cutting edge of the second blade 60 and completes the cutting of the electrode sheet, the inclined surface 230 of the guide portion 220 just contacts the second blade 60. As the first blade 20 and the second blade 60 continue to approach each other, a force is applied to the guide portion 220. This force can drive the first blade 20 to move, causing the cutting edges of the first blade 20 and the second blade 60 to misalign. Therefore, the external force mentioned in the aforementioned embodiment is formed by the contact between the inclined surface 230 of the guide portion 220 and the second blade 60.

[0074] In some embodiments, the inclined surface 230 is inclined away from the second cutter body 60 along the extending direction of the guide portion 220.

[0075] Understandably, based on the inclination of the inclined surface 230 away from the second cutting body 60, when the inclined surface 230 contacts the second cutting body 60, the second cutting body 60 will exert a force on the guide portion 220. As the first cutting body 20 and the second cutting body 60 further approach each other, this force can push the guide portion 220 outward, causing the guide portion 220 to move away from the second cutting body 60. Since the guide portion 220 is connected to the first cutting body 20, it can drive the first cutting body 20 away from the second cutting body 60, causing the cutting edges of the first cutting body and the second cutting body 60 to be misaligned.

[0076] In some embodiments, the bevel 230 may cover all areas of the extension of the guide portion 220. Before the first cutter body 20 and the second cutter body 60 complete the cutting of the electrode sheet, the bevel 230 does not contact the second cutter body 60. At the instant the first cutter body 20 and the second cutter body 60 complete the cutting, the bevel 230 contacts the second cutter body 60. This achieves electrode sheet cutting and ensures that the cutting edges of the first cutter body 20 and the second cutter body 60 are misaligned after cutting, reducing wear on the first cutter body 20 and the second cutter body 60 and extending their service life.

[0077] In some embodiments, the guide portion 220 may also have a straight surface on the side facing the second blade 60. Before the first blade 20 and the second blade 60 complete the cutting of the electrode sheet, the straight surface contacts the second blade 60. Based on this contact, the guide portion 220 and the second blade 60 will not move relative to each other. At the instant the first blade 20 and the second blade 60 complete the cutting, the beveled surface 230 contacts the second blade 60. This achieves the cutting of the electrode sheet and ensures that the cutting edges of the first blade 20 and the second blade 60 are misaligned after cutting, reducing wear on the first blade 20 and the second blade 60 and extending their service life.

[0078] like Figure 5 As shown, in some embodiments, the inclination angle of the inclined plane 230 is α, which satisfies: 0°<α≤15°.

[0079] Understandably, the inclined surface 230 must have a certain angle to ensure that after contacting the second cutter body 60, it drives the guide portion 220 away from the second cutter body 60. However, if the angle of the inclined surface 230 is too large, it will cause a large displacement of the first cutter body 20, resulting in an excessive installation allowance for the fastener 40 and potentially reducing the reliability of the first cutter body 20's fixation. Therefore, the angle of the inclined surface 230 is controlled within the range of 0 to 15 degrees to ensure that it can achieve the effect of misalignment between the cutting edges of the first cutter body 20 and the second cutter body 60, and to ensure the reliability of the first cutter body 20's fixation.

[0080] For example, the inclination angle α of the inclined plane 230 can be set to 4 degrees, 8 degrees, 12 degrees, 15 degrees, or any value between the two.

[0081] In some embodiments, the first base 10 includes a fixing member 130, a guide member 140, a movable member 150, and a second elastic member 160. The guide member 140 is connected to the fixing member 130 and extends toward the second base 50. The movable member 150 is slidably mounted on the guide member 140. The movable member 150 and the second base 50 are spaced apart. The first blade 20 is mounted on the movable member 150. The second elastic member 160 is sleeved on the guide member 140. Both ends of the second elastic member 160 abut against the movable member 150 and the second base 50, respectively.

[0082] Understandably, the fixed member 130 and the second seat 50 are relatively fixed, while the movable member 150 can move between the fixed member 130 and the movable member 150. The guide member 140 is used to slidably connect the movable member 150 to limit the sliding path of the movable member 150. When the movable member 150 moves towards the second seat 50 under the action of the driving member, the second elastic member 160 is gradually compressed. When the driving member removes the force, the second elastic member 160 restores its deformation to ensure that the movable member 150 moves towards the fixed member 130.

[0083] The driving component can be a motor, cylinder, etc. The driving component can be connected to the movable component 150 through a transmission mechanism, thereby driving the movable component 150 to move towards the second seat 50.

[0084] In some embodiments, the guide member 140 may be columnar, and the number of guide members 140 may be at least two. The movable member 150 may be provided with at least two guide holes, and each guide hole is slidably connected to a guide member 140.

[0085] In some embodiments, the cutting device further includes a clamping member 70. The clamping member 70 is mounted on the side of the movable member 150 facing the second base 50. The area between the clamping member 70 and the second base 50 is used to clamp the electrode sheet.

[0086] Understandably, the electrode is clamped in the area between the clamping member 70 and the second seat 50 so that the electrode can be positioned between the first cutter body 20 and the second cutter body 60. When the movable member 150 moves toward the second seat 50, the first cutter body 20 and the second cutter body 60 move closer to each other to cut the electrode.

[0087] like Figure 2As shown, the clamping member 70 can be fixed to the movable member 150 by a connecting post 710, and a third elastic member 720 is sleeved on the connecting post 710. The connecting post 710 passes through the movable member 150 and is connected by a bolt. Therefore, the length of the connecting post 710 extending through the movable member 150 can be adjusted by rotating the bolt, thereby adjusting the distance between the clamping member 70 and the second seat 50.

[0088] The embodiments of this utility model have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this utility model. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A cutting tool, characterized by The cutting device comprises: a first seat body configured with at least two mounting channels spaced apart along a first direction; a first cutter body movably mounted on the first seat body; at least two elastic mechanisms, each of which is mounted in a mounting channel, at least part of the elastic mechanism penetrates out of the mounting channel, and abuts against the first cutter body; wherein the first cutter body is configured to move one end thereof towards the direction of the mounting channel under the action of an external force, so that the other end thereof is misaligned with the cutting edge of a corresponding second cutter body.

2. The tool according to claim 1, characterized in that The elastic mechanism comprises: an abutting member mounted in the mounting channel, at least part of the abutting member penetrates out of the first end of the mounting channel, and abuts against the first cutter body; a locking member provided at the second end of the mounting channel; a first elastic member provided in the mounting channel, both ends of the first elastic member abut against the abutting member and the locking member, respectively.

3. The tool according to claim 2, characterized in that The abutting member is provided in a spherical shape, and the second end of the mounting channel is formed with an opening, the aperture of the opening is smaller than the diameter of the abutting member.

4. The tool according to any one of claims 1-3, characterized in that The first seat body is provided with a first mounting hole, the first cutter body is provided with a second mounting hole, and the first mounting hole and the second mounting hole are connected by a fastener, wherein the fastener has a mounting allowance, so that the first cutter body is relatively movable with the first seat body.

5. A cutting apparatus characterized by comprising: The cutting device comprises: the cutter body as claimed in any one of claims 1-4; a second seat body movably connected with the first seat body; a second cutter body mounted on the second seat body, the cutting edge of the second cutter body is oppositely arranged with the cutting edge of the first cutter body; wherein the first seat body and the second seat body are configured to move closer to or farther away from each other under the action of an external force, so that the first cutter body and the second cutter body move closer to or farther away from each other.

6. The cutting apparatus of claim 5, wherein, The first cutter body is configured with a guide portion extending towards the second cutter body, one side of the guide portion towards the second cutter body is configured with a slope, the slope is configured to drive the first cutter body to move after contacting the second cutter body, so that the cutting edges of the first cutter body and the second cutter body are misaligned.

7. The cutting apparatus of claim 6, wherein, Along the extension direction of the guide portion, the slope is inclined towards the direction away from the second cutter body.

8. The cutting apparatus of claim 7, wherein, The inclination angle of the slope is α, which satisfies: 0° < α ≤ 15°.

9. The cutting apparatus according to any one of claims 5 to 8, wherein The first seat body comprises: a fixed member; a guide member connected with the fixed member, the guide member extends towards the second seat body; a movable member slidably mounted on the guide member, wherein the movable member is spaced apart from the second seat body, and the first cutter body is mounted on the movable member; a second elastic member sleeved on the guide member, both ends of the second elastic member abut against the movable member and the second seat body, respectively.

10. The cutting apparatus of claim 9, wherein, The cutting device further comprises: a pressing member mounted on one side of the movable member towards the second seat body, wherein the area between the pressing member and the second seat body is used for clamping a pole piece.

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