CN214152985U - Battery cell winding device and battery cell winding equipment - Google Patents
Battery cell winding device and battery cell winding equipment Download PDFInfo
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- CN214152985U CN214152985U CN202023150821.3U CN202023150821U CN214152985U CN 214152985 U CN214152985 U CN 214152985U CN 202023150821 U CN202023150821 U CN 202023150821U CN 214152985 U CN214152985 U CN 214152985U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The application provides a battery cell winding device and battery cell winding equipment. The battery cell winding device comprises a rack, a winding mechanism and a plug board mechanism. The winding mechanism comprises a winding piece, a first rotating piece and a first driving piece, the first driving piece is connected with the rack, the power output end of the first driving piece is connected with the first rotating piece, the first driving piece is used for driving the first rotating piece to rotate, the first rotating piece is connected with the winding piece, and the rotating central shaft of the first rotating piece and the central shaft of the winding piece are arranged in a superposition mode. The plate inserting mechanism comprises a strip-shaped partition plate, a sliding adjusting piece and a first telescopic driving piece, the first telescopic driving piece is connected with the first rotating piece, and the sliding adjusting piece comprises a connecting block and a sliding block. After the completion was convoluteed and taken out the strip baffle, the position that originally was provided with the strip baffle is formed with the space promptly, and the core area body that rolls up the core of battery will take place to warp and will fill the space rapidly, rolls up the core area body and will release the internal stress at the deformation in-process for the internal stress that the core was rolled up to the battery descends by a wide margin.
Description
Technical Field
The utility model relates to a battery processing technology field especially relates to an electricity core take-up device and electricity core coiling equipment.
Background
A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. With the development of science and technology, lithium batteries have become mainstream and are widely applied in various fields. The lithium battery mainly comprises a laminated lithium battery, namely a coiled lithium battery, wherein the coiled lithium battery has larger electric energy reserve and smaller volume, so that the coiled lithium battery is more favored by consumers.
At present, a winding process is needed to be carried out during the processing of the winding type lithium battery in the industry, and the process has the advantages of high production efficiency, low cost and the like; however, there is a significant disadvantage that during winding, the winding belt body must be wound by tension traction, and the tension directly causes a certain internal stress to exist in the wound battery cell, especially when the winding speed is high, the accumulation effect of the internal stress will be more significant, and the stress will be slowly released when the battery is in a power regeneration cycle, so that the battery is deformed, and then the cycle performance is deteriorated, and finally the electric energy reserve of the battery is greatly reduced, and the battery is even scrapped.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, provide an electric core take-up device and electric core coiling equipment that can release electric core internal stress, improve the performance of battery and improve the security of battery.
The purpose of the utility model is realized through the following technical scheme:
a cell winding device comprising:
a frame;
the winding mechanism comprises a winding piece, a first rotating piece and a first driving piece, the first driving piece is connected with the rack, the power output end of the first driving piece is connected with the first rotating piece, the first driving piece is used for driving the first rotating piece to rotate, the first rotating piece is connected with the winding piece, and the rotating central shaft of the first rotating piece is overlapped with the central shaft of the winding piece;
the board inserting mechanism comprises a strip-shaped partition board, a sliding adjusting piece and a first telescopic driving piece, the first telescopic driving piece is connected with the first rotating piece, the sliding adjusting piece comprises a connecting block and a sliding block, the telescopic end of the first telescopic driving piece is connected with the connecting block, the first telescopic driving piece is used for driving the connecting block to move axially along the winding piece, a sliding groove is formed in the connecting block and is formed in the radial direction of the winding piece, the sliding block is arranged in the sliding groove in a sliding mode so that the sliding block is connected with the connecting block in a sliding mode, the sliding block is connected with the strip-shaped partition board, and the length direction of the strip-shaped partition board is parallel to the axial direction of the winding piece.
In one embodiment, the sliding adjusting member further includes a screw rod and a knob, the connecting block is provided with a through hole, the through hole is communicated with the end portion of the sliding groove far away from the winding member, the sliding block is provided with a screw hole, the axial direction of the screw rod is parallel to the length direction of the sliding groove, the screw rod sequentially penetrates through the through hole and the screw hole to enable the screw rod to be rotatably connected with the connecting block and to enable the screw rod to be in threaded connection with the sliding block, the knob is located on the outer side of the connecting block, and the end portion of the screw rod far away from the winding member is connected with the knob.
In one embodiment, the screw is rotatably connected to a groove wall of the chute adjacent to the end of the winding member.
In one embodiment, the side surface of the knob is provided with an anti-slip groove.
In one embodiment, the cross section of the strip-shaped partition board is in a sector ring shape.
In one embodiment, the winding mechanism further includes a second telescopic driving member, the second telescopic driving member is connected with the first rotating member, a telescopic end of the second telescopic driving member is connected with the winding member, and the second telescopic driving member is used for driving the winding member to move along the axial direction of the winding member.
In one embodiment, the battery cell winding device further includes an auxiliary supporting mechanism, the auxiliary supporting mechanism includes a second rotating member and a winding thimble, the second rotating member is rotatably connected to the rack, a rotation center axis of the second rotating member, a center axis of the winding thimble, and a center axis of the winding member are arranged in a superposed manner, a thimble positioning groove is formed in an end surface of the winding member far away from the second telescopic driving member, and an end portion of the winding thimble far away from the second rotating member is arranged in the thimble positioning groove.
In one embodiment, the auxiliary supporting mechanism further includes a second driving member, the second driving member is mounted on the rack connection, a power output end of the second driving member is connected to the second rotating member, and the second driving member is configured to drive the second rotating member to rotate.
In one embodiment, the end surface of the winding member away from the first rotating member is flush with the end surface of the strip-shaped partition plate away from the first telescopic driving member.
A cell winding device includes the cell winding device according to any of the above embodiments.
Compared with the prior art, the utility model discloses at least, following advantage has:
when the winding belt body is wound on the winding piece into a winding semi-finished product with a certain thickness, the first telescopic driving piece drives the strip-shaped partition plate to move to one side of the winding semi-finished product, and the length direction of the strip-shaped partition plate is parallel to the axial direction of the winding piece, so that when the winding piece continues to rotate to drive the winding core belt body to wind, the winding core belt body is positioned to cover the strip-shaped partition plate, and the winding core belt body continues to wind on a combined structure of the strip-shaped partition plate and the winding semi-finished product. After accomplishing the coiling and taking out the strip baffle, the position that originally was provided with the strip baffle is formed with the space promptly, the core area body that rolls up of battery core will take place to warp and will fill the space rapidly, roll up the core area body and will release the internal stress that the coiling in-process was gathered at the deformation in-process, make the internal stress that the battery rolled up the core descend by a wide margin, the internal structure stability that the battery rolled up the core also corresponding obtains improving, and then can avoid the battery performance decline or even condemned condition that leads to because of inside deformation in the follow-up processing and the use of electric core, keep the stability of battery performance and the security and the life of improvement TV effectively.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a cell winding device in an embodiment;
fig. 2 is a sectional view of the cell winding device shown in fig. 1 along line a-a.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and fig. 2, a battery cell winding device 10 according to an embodiment includes a frame, a winding mechanism 100, and a board inserting mechanism 200. The winding mechanism 100 includes a winding member 110, a first rotating member 120 and a first driving member 130, the first driving member is connected to the rack, a power output end of the first driving member 130 is connected to the first rotating member 120, the first driving member 130 is used for driving the first rotating member 120 to rotate, the first rotating member 120 is connected to the winding member 110, and a rotation central axis of the first rotating member 120 and a central axis of the winding member 110 are arranged in a superposition manner. The board inserting mechanism 200 includes a strip-shaped partition board 210, a sliding adjusting member 220 and a first telescopic driving member 230, the first telescopic driving member 230 is connected to the first rotating member 120, the sliding adjusting member 220 includes a connecting block 221 and a sliding block 222, a telescopic end of the first telescopic driving member 230 is connected to the connecting block 221, the first telescopic driving member 230 is used for driving the connecting block 221 to move axially along the winding member 110, the connecting block 221 is provided with a sliding groove 221a, the sliding groove 221a is formed along a radial direction of the winding member 110, the sliding block 222 is slidably disposed in the sliding groove 221a, so that the sliding block 222 is slidably connected to the connecting block 221, the sliding block 222 is connected to the strip-shaped partition board 210, and a length direction of the strip-shaped partition board 210 is parallel to an axial direction of the winding member 110.
In this embodiment, the first driving member 130 is used to drive the first rotating member 120 to rotate, the first rotating member 120 drives the winding member 110 to rotate, during winding, the end of the winding core tape body is fixed on the winding member 110, and when the winding member 110 rotates, the winding core tape body is driven to move, so that the winding core tape body starts to be wound on the winding member 110. The first flexible driving member 230 is connected to the first rotating member 120, so that the first flexible driving member 230 can move along with the rotation of the first rotating member 120, the first flexible driving member 230 is connected to the sliding adjusting member 220, the sliding adjusting member 220 is connected to the strip-shaped partition 210, the first flexible driving member 230 is used for driving the sliding adjusting member 220 and the strip-shaped partition 210 to move along the axial direction of the winding member 110, when the winding of the strip body is just started, the first flexible driving member 230 is in a contracted state, when the winding of the strip body is wound on the winding member 110 into a winding semi-finished product with a certain thickness, at this time, the flexible end of the first flexible driving member 230 extends out, and drives the strip-shaped partition 210 to move to one side of the winding semi-finished product, because the length direction of the strip-shaped partition 210 is parallel to the axial direction of the winding member 110, when the winding member 110 continues to rotate to drive the winding core to wind, the winding core will be located to cover the strip-shaped partition 210, and the winding is continued on the combined structure of the strip-shaped separator 210 and the winding semi-finished product. After accomplishing the coiling and taking out strip baffle 210, the position that originally was provided with strip baffle 210 is formed with the space promptly, the core area body that rolls up of battery core will take place to warp and will fill the space rapidly, roll up the internal stress that the core area body will release the coiling in-process and gather at the deformation process, make the internal stress that the battery rolled up the core descend by a wide margin, the internal structure stability that the battery rolled up the core also corresponding obtains improving, and then can avoid the battery performance decline or even condemned condition that leads to because of inside deformation in the follow-up processing and the use of electric core, keep the stability of battery performance and the security and the life of improvement TV effectively.
Further, the sliding connection member includes a connection block 221 and a slider 222, the strip-shaped partition board 210 is connected to the slider 222, the slider 222 is slidably disposed in a sliding groove 221a of the connection block 221, the sliding groove 221a is formed along a radial direction of the winding member 110, a radial distance between the strip-shaped partition board 210 and the winding member 110 can be changed by changing a position of the slider 222 in the sliding groove 221a, when a thickness of a cell to be wound is large, a radial distance between the strip-shaped partition board 210 and the winding member 110 can be increased, when a thickness of the cell to be wound is small, a radial distance between the strip-shaped partition board 210 and the winding member 110 can be decreased, and the strip-shaped partition board 210 can be adapted to cells with different winding thicknesses, so that a position of a gap formed by the strip-shaped partition board 210 is more reasonable, and a stress release effect of the cell is improved.
As shown in fig. 2, in one embodiment, the sliding adjusting member 220 further includes a screw 224 and a knob 223, the connecting block 221 is provided with a through hole, the through hole is communicated with an end of the sliding groove 221a far away from the winding member 110, the slider 222 is provided with a screw hole, an axial direction of the screw 224 is parallel to a length direction of the sliding groove 221a, the screw 224 sequentially penetrates through the through hole and the screw hole to rotatably connect the screw 224 with the connecting block 221, and the screw 224 is screwed with the slider 222, the knob 223 is located outside the connecting block 221, and an end of the screw 224 far away from the winding member 110 is connected with the knob 223. In this embodiment, the screw 224 can be driven to rotate by rotating the knob 223, and since the slider 222 is screwed with the screw 224 and the slider 222 is slidably connected with the connecting block 221, when the screw 224 rotates, the slider 222 can be driven to slide in the sliding groove 221a along the radial direction of the winding element 110, so as to change the radial distance between the strip-shaped partition 210 and the winding element 110, that is, the relative position between the slider 222 and the connecting block 221 can be conveniently changed by rotating the knob 223, so that the operation is simpler and more convenient when the radial distance between the strip-shaped partition 210 and the winding element 110 is changed.
In one embodiment, as shown in fig. 2, the end of the screw 224 adjacent to the winding member 110 is rotatably connected to the chute 221a adjacent to the end chute wall of the winding member 110. In the present embodiment, the end of the screw 224 adjacent to the winding member 110 extends to the groove wall of the sliding groove 221a adjacent to the end of the winding member 110, and the end of the screw 224 is rotatably connected to the groove wall of the sliding groove 221a, so that the sliding control stroke of the screw 224 can be increased to cover the whole sliding groove 221a area, and the controllable sliding stroke of the slider 222 can be improved.
As shown in fig. 2, in one embodiment, the knob 223 is provided with a slip prevention groove 223a at a side thereof. In this embodiment, the side of the knob 223 is provided with the anti-slip groove 223a, and the anti-slip groove 223a can increase the roughness of the side of the knob 223, and then when operating the knob 223, can increase the static friction coefficient of the side of the knob 223, so that the knob 223 is not easy to slip when rotating, and then the operation of rotating the knob 223 is more convenient.
As shown in fig. 2, in one embodiment, the cross section of the strip-shaped partition 210 is a sector ring. The purpose of providing the strip-shaped partition board 210 is to provide a stress relief space for the wound battery roll core, however, the structure of the strip-shaped partition board 210 has an important influence on the performance of the battery cell, if the space occupied by the strip-shaped partition board 210 is large during the winding process, the gap formed after the strip-shaped partition board 210 is drawn out is too large, so that the winding density of the battery cell is too low, and the electric energy storage amount of the battery cell is too low, therefore, in this embodiment, the cross section of the strip-shaped partition board 210 is in a fan-ring shape, during the winding process, the strip-shaped partition board 210 with the fan-ring-shaped cross section can be adapted to the shape of the side surface of the wound semi-finished product, so as to avoid the gap formed after the strip-shaped partition board 210 is drawn out being too large, achieve the purpose of releasing the internal stress and having a higher electric energy reserve, and the side surface of the strip-shaped partition board 210 with the fan-ring-shaped cross section is an arc surface, which is helpful to improve the winding operation stability after the strip-shaped partition board 210 is provided, the winding operation after the strip-shaped partition plate 210 is arranged is prevented from generating the belt body deviation.
As shown in fig. 1, in one embodiment, the winding mechanism 100 further includes a second telescopic driving element 140, the second telescopic driving element 140 is connected to the first rotating element 120, a telescopic end of the second telescopic driving element 140 is connected to the winding element 110, and the second telescopic driving element 140 is used for driving the winding element 110 to move along the axial direction of the winding element 110. In this embodiment, the flexible end of second flexible driving member 140 is connected with winding member 110, and when winding member 110 coiled the core area body, the flexible end of second flexible driving member 140 was in the state of stretching out, when coiling the completion, through the core after the centre gripping was accomplished, the flexible end of second flexible driving member 140 contracted and driven winding member 110 motion, can make winding member 110 take out from rolling up the core. Thus, the separation speed of the winding element 110 and the winding core can be increased, and the processing efficiency is improved.
As shown in fig. 1 and fig. 2, in one embodiment, the battery cell winding device 10 further includes an auxiliary supporting mechanism 300, the auxiliary supporting mechanism 300 includes a second rotating member 310 and a winding thimble 320, the second rotating member 310 is rotatably connected to the rack, a rotation central axis of the second rotating member 310, a central axis of the winding thimble 320, and a central axis of the winding member 110 are overlapped, a thimble positioning groove is formed in an end surface of the winding member 110 far from the second telescopic driving member 140, and an end portion of the winding thimble 320 far from the second rotating member 310 is disposed in the thimble positioning groove. When the winding element 110 winds, the telescopic end of the second telescopic driving element 140 extends out, so that the winding element 110 is far away from the second telescopic driving element 140 and moves towards the winding thimble 320, and further the winding thimble 320 is inserted into the thimble positioning groove on the end surface of the winding element 110, when the winding element 110 rotates, the end part of the winding thimble 320, which is far away from the second telescopic driving element 140, of the winding element 110 is supported, the rotation stability of the winding element 110 is improved, and further the deviation of the winding core body in the winding process is prevented, and the winding quality of the winding core body is improved.
As shown in fig. 1, in one embodiment, the auxiliary supporting mechanism 300 further includes a second driving element 330, the second driving element 330 is connected to the frame, a power output end of the second driving element 330 is connected to the second rotating element 310, and the second driving element 330 is used for driving the second rotating element 310 to rotate. When the winding element 110 rotates, the winding thimble 320 and the second rotating element 310 rotate synchronously with the winding element 110 under the driving of winding, in this embodiment, the second rotating element 310 is connected to the power output end of the second driving element 330, and the second driving element 330 can drive the second rotating element 310 to rotate synchronously with the first rotating element 120, so as to reduce the torque borne by the winding element 110 and improve the service life of the winding element 110.
As shown in fig. 1, in one embodiment, an end surface of the winding member 110 away from the first rotating member 120 is flush with an end surface of the strip-shaped partition 210 away from the first telescopic driving member 230. In the winding process, the winding belt body is fixed at the end part of the winding part 110, and the end surface of the winding core formed by winding the winding belt body is flush with the winding part 110, so that in the process of pulling away the winding part 110, the pulling-out distance of the winding part 110 can be reduced, the friction force work amount between the winding core and the winding part 110 when the winding part 110 is pulled out is reduced, the probability of damaging the winding core when the winding part 110 is pulled out is further reduced, the effect of reducing the processing defective rate is achieved, and in the same way, when winding, the end surface of the strip-shaped partition plate 210 is flush with the end surface of the winding core, and the defective rate of the winding core when the strip-shaped partition plate 210 is pulled out is mainly reduced.
The present application further provides a cell winding apparatus, including the cell winding device 10 according to any of the above embodiments. In one embodiment, the cell winding device 10 includes a frame, a winding mechanism 100, and a board inserting mechanism 200. The winding mechanism 100 includes a winding member 110, a first rotating member 120 and a first driving member 130, the first driving member is connected to the rack, a power output end of the first driving member 130 is connected to the first rotating member 120, the first driving member 130 is used for driving the first rotating member 120 to rotate, the first rotating member 120 is connected to the winding member 110, and a rotation central axis of the first rotating member 120 and a central axis of the winding member 110 are arranged in a superposition manner. The board inserting mechanism 200 includes a strip-shaped partition board 210, a sliding adjusting member 220 and a first telescopic driving member 230, the first telescopic driving member 230 is connected to the first rotating member 120, the sliding adjusting member 220 includes a connecting block 221 and a sliding block 222, a telescopic end of the first telescopic driving member 230 is connected to the connecting block 221, the first telescopic driving member 230 is used for driving the connecting block 221 to move axially along the winding member 110, the connecting block 221 is provided with a sliding groove 221a, the sliding groove 221a is formed along a radial direction of the winding member 110, the sliding block 222 is slidably disposed in the sliding groove 221a, so that the sliding block 222 is slidably connected to the connecting block 221, the sliding block 222 is connected to the strip-shaped partition board 210, and a length direction of the strip-shaped partition board 210 is parallel to an axial direction of the winding member 110.
In this embodiment, the first driving member 130 is used to drive the first rotating member 120 to rotate, the first rotating member 120 drives the winding member 110 to rotate, during winding, the end of the winding core tape body is fixed on the winding member 110, and when the winding member 110 rotates, the winding core tape body is driven to move, so that the winding core tape body starts to be wound on the winding member 110. The first flexible driving member 230 is connected to the first rotating member 120, so that the first flexible driving member 230 can move along with the rotation of the first rotating member 120, the first flexible driving member 230 is connected to the sliding adjusting member 220, the sliding adjusting member 220 is connected to the strip-shaped partition 210, the first flexible driving member 230 is used for driving the sliding adjusting member 220 and the strip-shaped partition 210 to move along the axial direction of the winding member 110, when the winding of the strip body is just started, the first flexible driving member 230 is in a contracted state, when the winding of the strip body is wound on the winding member 110 into a winding semi-finished product with a certain thickness, at this time, the flexible end of the first flexible driving member 230 extends out, and drives the strip-shaped partition 210 to move to one side of the winding semi-finished product, because the length direction of the strip-shaped partition 210 is parallel to the axial direction of the winding member 110, when the winding member 110 continues to rotate to drive the winding core to wind, the winding core will be located to cover the strip-shaped partition 210, and the winding is continued on the combined structure of the strip-shaped separator 210 and the winding semi-finished product. After accomplishing the coiling and taking out strip baffle 210, the position that originally was provided with strip baffle 210 is formed with the space promptly, the core area body that rolls up of battery core will take place to warp and will fill the space rapidly, roll up the internal stress that the core area body will release the coiling in-process and gather at the deformation process, make the internal stress that the battery rolled up the core descend by a wide margin, the internal structure stability that the battery rolled up the core also corresponding obtains improving, and then can avoid the battery performance decline or even condemned condition that leads to because of inside deformation in the follow-up processing and the use of electric core, keep the stability of battery performance and the security and the life of improvement TV effectively.
Further, the sliding connection member includes a connection block 221 and a slider 222, the strip-shaped partition board 210 is connected to the slider 222, the slider 222 is slidably disposed in a sliding groove 221a of the connection block 221, the sliding groove 221a is formed along a radial direction of the winding member 110, a radial distance between the strip-shaped partition board 210 and the winding member 110 can be changed by changing a position of the slider 222 in the sliding groove 221a, when a thickness of a cell to be wound is large, a radial distance between the strip-shaped partition board 210 and the winding member 110 can be increased, when a thickness of the cell to be wound is small, a radial distance between the strip-shaped partition board 210 and the winding member 110 can be decreased, and the strip-shaped partition board 210 can be adapted to cells with different winding thicknesses, so that a position of a gap formed by the strip-shaped partition board 210 is more reasonable, and a stress release effect of the cell is improved.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A cell winding device, comprising:
a frame;
the winding mechanism comprises a winding piece, a first rotating piece and a first driving piece, the first driving piece is connected with the rack, the power output end of the first driving piece is connected with the first rotating piece, the first driving piece is used for driving the first rotating piece to rotate, the first rotating piece is connected with the winding piece, and the rotating central shaft of the first rotating piece is overlapped with the central shaft of the winding piece;
the board inserting mechanism comprises a strip-shaped partition board, a sliding adjusting piece and a first telescopic driving piece, the first telescopic driving piece is connected with the first rotating piece, the sliding adjusting piece comprises a connecting block and a sliding block, the telescopic end of the first telescopic driving piece is connected with the connecting block, the first telescopic driving piece is used for driving the connecting block to move axially along the winding piece, a sliding groove is formed in the connecting block and is formed in the radial direction of the winding piece, the sliding block is arranged in the sliding groove in a sliding mode so that the sliding block is connected with the connecting block in a sliding mode, the sliding block is connected with the strip-shaped partition board, and the length direction of the strip-shaped partition board is parallel to the axial direction of the winding piece.
2. The cell winding device according to claim 1, wherein the sliding adjustment member further includes a screw rod and a knob, the connecting block is provided with a through hole, the through hole is communicated with an end portion of the sliding groove far away from the winding member, the sliding block is provided with a screw hole, an axial direction of the screw rod is parallel to a length direction of the sliding groove, the screw rod sequentially penetrates through the through hole and the screw hole so as to be rotatably connected with the connecting block and be screwed with the sliding block, the knob is located outside the connecting block, and an end portion of the screw rod far away from the winding member is connected with the knob.
3. The cell winding device of claim 2, wherein the end of the screw adjacent to the winding member is rotatably connected to a groove wall of the chute adjacent to the end of the winding member.
4. The cell winding device of claim 2, wherein the knob is provided with an anti-slip groove on a side surface thereof.
5. The cell winding device according to claim 1, wherein the cross section of the strip-shaped separator is in a sector ring shape.
6. The cell winding device according to claim 1, wherein the winding mechanism further includes a second telescopic driving member, the second telescopic driving member is connected to the first rotating member, a telescopic end of the second telescopic driving member is connected to the winding member, and the second telescopic driving member is configured to drive the winding member to move along an axial direction of the winding member.
7. The cell winding device according to claim 6, further comprising an auxiliary support mechanism, wherein the auxiliary support mechanism includes a second rotating member and a winding pin, the second rotating member is rotatably connected to the frame, a rotation center axis of the second rotating member, a center axis of the winding pin, and a center axis of the winding member are disposed in a superposed manner, a pin positioning groove is disposed on an end surface of the winding member away from the second flexible driving member, and an end portion of the winding pin away from the second rotating member is disposed in the pin positioning groove.
8. The cell winding device according to claim 7, wherein the auxiliary support mechanism further includes a second driving member, the second driving member is mounted on the frame connection, a power output end of the second driving member is connected to the second rotating member, and the second driving member is configured to drive the second rotating member to rotate.
9. The cell winding device according to claim 1, wherein an end surface of the winding member away from the first rotating member is flush with an end surface of the strip-shaped partition plate away from the first telescopic driving member.
10. A cell winding apparatus, characterized by comprising the cell winding device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023150821.3U CN214152985U (en) | 2020-12-23 | 2020-12-23 | Battery cell winding device and battery cell winding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023150821.3U CN214152985U (en) | 2020-12-23 | 2020-12-23 | Battery cell winding device and battery cell winding equipment |
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| Publication Number | Publication Date |
|---|---|
| CN214152985U true CN214152985U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023150821.3U Active CN214152985U (en) | 2020-12-23 | 2020-12-23 | Battery cell winding device and battery cell winding equipment |
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| Country | Link |
|---|---|
| CN (1) | CN214152985U (en) |
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2020
- 2020-12-23 CN CN202023150821.3U patent/CN214152985U/en active Active
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