CN209766586U - winding apparatus - Google Patents

Abstract

The utility model relates to a lithium cell production facility technical field especially relates to a coiling equipment. The device comprises a rack, and a pole piece feeding device, a diaphragm feeding device, a winding device, a discharging device and a detection device which are arranged on the rack. The pole piece feeding device comprises a first feeding driving piece, a second feeding driving piece, a feeding base, a clamping assembly and a scissors assembly, wherein the first feeding driving piece is connected with the frame and can drive the feeding base to move relative to the frame, the second feeding driving piece, the clamping assembly and the scissors assembly are all connected with the feeding base, and the second feeding driving piece can drive the clamping assembly to move relative to the feeding base. Pole piece feedway and diaphragm feedway can be respectively automatic carry pole piece and diaphragm to take-up device, and after take-up device coiled pole piece and diaphragm for electric core, unloader can carry electric core to detection device automatically and detect, and the winding process links up with the detection process and goes on to realize automated production.

Description

Winding apparatus

Technical Field

The utility model relates to a lithium cell production facility technical field especially relates to a coiling equipment.

Background

In the production process of the lithium battery, a pole piece and a diaphragm are required to be wound into a battery cell, the pole piece comprises a positive pole piece and a negative pole piece, and the diaphragm comprises a first diaphragm and a second diaphragm. In the prior art, the battery core is usually wound by a semi-automatic winding machine, the production efficiency is low, and a large amount of manual operation actions inevitably cause the direct contact of hands with pole pieces and diaphragms, which affects the production quality of the battery.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coiling equipment aims at solving and needs a large amount of manual operation when adopting semi-automatic winder production to influence the production quality's of battery problem.

In order to solve the problems, the utility model provides a winding device, which comprises a frame, a pole piece feeding device, a diaphragm feeding device, a winding device, a discharging device and a detection device;

the pole piece feeding device is used for conveying pole pieces to the winding device and comprises a tension mechanism, a first feeding driving piece, a second feeding driving piece, a feeding base, a clamping assembly and a scissors assembly, wherein the tension mechanism is connected with the rack and used for adjusting the tension of the pole pieces, the first feeding driving piece is connected with the rack and can drive the feeding base to move relative to the rack, the second feeding driving piece, the clamping assembly and the scissors assembly are all connected with the feeding base, and the second feeding driving piece can drive the clamping assembly to move relative to the feeding base;

The membrane feeding device is connected with the frame and used for conveying the membrane to the winding device;

The winding device is connected with the rack and is used for winding the pole piece and the diaphragm into a battery cell;

The blanking device is connected with the rack and used for conveying the battery cell formed by winding of the winding device to the detection device;

the detection device is connected with the rack and used for detecting whether the battery cell is qualified or not;

The pole piece feeding devices are provided with two groups to respectively convey a positive pole piece and a negative pole piece to the winding device, the diaphragm feeding devices are also provided with two groups to respectively convey a first diaphragm and a second diaphragm to the winding device, the first diaphragm is positioned between the positive pole piece and the negative pole piece, and the positive pole piece or the negative pole piece is positioned between the first diaphragm and the second diaphragm.

Above-mentioned coiling equipment, its pole piece feedway and diaphragm feedway can be respectively automatic carry pole piece and diaphragm to take-up device, take-up device is after for electric core with pole piece and diaphragm coiling, and unloader can carry electric core to detection device automatically and detect, and the coiling process links up with the detection procedure and goes on to realize automated production, need not to transmit to detection device again after collecting the electric core that convolutes and detect in addition, can save production time, improve machining efficiency. Meanwhile, the winding process and the detection process are completed by one device, so that the space occupied by the device can be reduced. In addition, the pole piece feeding device is provided with the first feeding driving piece and the second driving piece, the first feeding driving piece drives the clamping component to move, and meanwhile, the second feeding driving piece can also drive the clamping component to move, so that the moving speed of the clamping component can be accelerated, the speed of the pole piece feeding device for conveying the pole piece is increased, and the processing efficiency is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

wherein:

FIG. 1 is a schematic front view of a winding apparatus in one embodiment;

FIG. 2 is a schematic view of a portion of the pole piece supply apparatus of FIG. 1;

FIG. 3 is a schematic view of a winding mechanism of the winding device of FIG. 1;

FIG. 4 is a schematic view of the winding mechanism of FIG. 3 from another perspective;

FIG. 5 is a schematic view of the winding pin assembly of the winding mechanism of FIG. 3;

FIG. 6 is a schematic view showing a partial structure of the winding apparatus of FIG. 1;

FIG. 7 is a schematic structural view of the taping mechanism of FIG. 1;

FIG. 8 is an enlarged view of a portion of FIG. 7 at A;

FIG. 9 is a schematic view of the tape dispenser of FIG. 7 from another perspective;

FIG. 10 is a schematic structural view of the feeding device and the detecting device shown in FIG. 1;

FIG. 11 is a schematic view of another state of the feeding device and the detecting device shown in FIG. 10;

FIG. 12 is a schematic view of a material clamping mechanism of the blanking device of FIG. 10;

Fig. 13 is a schematic view of a part of the structure of the blanking device and the detection device in fig. 10.

Detailed Description

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, an embodiment of the present invention provides a winding apparatus, which includes a frame 10, a pole piece feeding device 20, a diaphragm feeding device 30, a winding device 40, a discharging device 50, and a detecting device 60.

the pole piece feeding device 20, the diaphragm feeding device 30, the winding device 40, the blanking device 50 and the detection device 60 are all connected with the rack 10, the pole piece feeding device 20 is used for conveying pole pieces to the winding device 40, the diaphragm feeding device 30 is used for conveying diaphragms to the winding device 40, the winding device 40 is used for winding the pole pieces and the diaphragms into electric cores, the blanking device 50 is used for conveying the electric cores formed by winding of the winding device 40 to the detection device 60, and the detection device 60 is used for detecting whether the electric cores are qualified or not.

Two sets of pole piece feeding devices 20 are provided to respectively feed the positive pole piece and the negative pole piece to the winding device 40. Two sets of membrane supply devices 30 are also provided to supply the first and second membranes to the winding device 40, respectively. Further, during winding, the first separator is located between the positive electrode sheet and the negative electrode sheet, and the positive electrode sheet or the negative electrode sheet is located between the first separator and the second separator.

Above-mentioned coiling equipment, its pole piece feedway 20 and diaphragm feedway 30 can be respectively automatic carry pole piece and diaphragm to take-up device 40, take-up device 40 is after pole piece and diaphragm are convoluteed for electric core, unloader 50 can be automatic carry electric core to detection device 60 and detect, the winding process links up with the detection process and goes on, in order to realize automated production, need not to collect the good electric core of coiling in addition and then transmit to detection device 60 and detect, can save production time, improve machining efficiency. Meanwhile, the winding process and the detection process are completed by one device, so that the space occupied by the device can be reduced.

It should be mentioned that the winding device further includes an encoder 101, a brush mechanism 102 and a tension mechanism 103, wherein the encoder 101, the brush mechanism 102 and the tension mechanism 103 are all connected to the frame 10 and are disposed on the transmission path of the pole piece and the diaphragm. The encoder 101 can detect the winding length of the pole piece and the diaphragm, the brush mechanism 102 can sweep away impurities on the pole piece and the diaphragm, and the tension mechanism 103 can tension the pole piece and the diaphragm to prevent the pole piece and the diaphragm from loosening due to the overlong transmission path.

referring mainly to fig. 2, the pole piece feeding device 20 includes a first feeding driving member (not shown), a second feeding driving member 22, a feeding base 23, a clamping assembly 24 and a scissors assembly 25. The first feeding driving member is connected to the frame 10 and can drive the feeding base 23 to move relative to the frame 10. The second feeding driving member 22, the clamping member 24 and the scissors member 25 are all connected to the feeding base 23, and the second feeding driving member 22 can drive the clamping member 24 to move relative to the feeding base 23.

During feeding, the clamping assembly 24 clamps the pole pieces, and the first and second feeding driving members 22 drive the clamping assembly 24 to move so as to convey the pole pieces to the winding device 40. During the process of winding the battery core by the winding device 40, the clamping assembly 24 releases the pole piece and returns to the initial position, and the pole piece is continuously conveyed to the winding device 40 by the winding device 40. After the pole piece is wound by the winding device 40 for a preset length, the pole piece is cut off by the scissors assembly 25.

Through setting up first pay-off driving piece and second pay-off driving piece 22, when first pay-off driving piece drive presss from both sides material subassembly 24 and removes, second pay-off driving piece 22 can also drive presss from both sides material subassembly 24 and removes, can accelerate the speed that presss from both sides material subassembly 24 and remove to improve the speed that pole piece feedway 20 conveyed the pole piece, thereby further improve machining efficiency.

Referring mainly to fig. 3 to 5, the winding device 40 includes a winding mechanism 41, and the winding mechanism 41 includes a winding needle assembly 411, a changing position assembly 412, a needle discharging assembly 413, a needle drawing assembly 414, and a winding driving assembly 415. The needle winding assembly 411 has three sets, and each set of needle winding assembly 411 includes a needle sheath 4111, a first needle winding 4113, a second needle winding 4115, a material clamping needle 4116, and an needle opening 4117. The first winding pin 4113, the second winding pin 4115 and the material clamping pin 4116 are all connected to the needle base, the material clamping pin 4116 is located between the first winding pin 4113 and the second winding pin 4115, and a gap is formed between the material clamping pin 4116 and the second winding pin 4115. The needle opening member 4117 is inserted into the needle sheath 4111 and slidably connected to the needle sheath 4111.

the station changing assembly 412 is disposed on the frame 10 and includes a station changing motor 4121, a divider 4122 and a rotary table 4123, the station changing motor 4121 drives the divider 4122 to move through a synchronous wheel-synchronous belt mechanism, and the divider 4122 is engaged with the rotary table 4123 through a gear, so that the station changing motor 4121 can drive the rotary table 4123 to rotate. The three groups of winding needle assemblies 411 are connected with the rotary table 4123 and can rotate along with the rotary table 4123, so that each winding needle assembly 411 can rotate among the winding station, the rubberizing station and the blanking station respectively.

the needle outlet assembly 413 and the needle drawing assembly 414 are both connected with the frame 10, the needle outlet assembly 413 corresponds to a winding station, and the needle drawing assembly 414 corresponds to a blanking station. The needle outlet assembly 413 can drive the needle sleeve 4111 and the needle opening member 4117 located at the winding station to respectively extend along the axial direction of the needle sleeve 4111. The end of the needle opening member 4117 has a slope, which abuts against the material clamping needle 4116 when the needle opening member 4117 moves along the axial direction of the needle sleeve 4111 to drive the material clamping needle 4116 to approach the second winding needle 4115. Moreover, the needle winding assembly 411 further includes a spring, and when the material clamping needle 4116 moves in a direction approaching the second winding needle 4115, the material clamping needle 4116 compresses the spring, so that the spring stores elastic potential energy. When the needle winding assembly 411 of the winding station moves to the blanking station, the needle drawing assembly 414 can drive the needle sheath 4111 and the needle opening member 4117 located at the blanking station to retract along the axial direction of the needle sheath 4111, and when the needle opening member 4117 retracts, the spring releases elastic potential energy to drive the material clamping needle 4116 to reset.

Furthermore, the winding mechanism 41 further includes a nozzle cover 416, and the nozzle cover 416 is disposed on the frame 10. When the needle winding assembly 411 is extended, the ends of the first needle winding 4113, the second needle winding 4115 and the needle clamp 4116 are inserted into the nozzle sleeve 416, and the nozzle sleeve 416 can rotate along with the needle winding assembly 411. Through setting up needle holder cover 416 for the both ends of first book needle 4113, second book needle 4115 and material clamping needle 4116 all receive the support, with steady rotation, thereby improve the winding quality.

The winding driving assembly 415 is connected to the frame 10 and includes a winding driving member 4151 and a driving shaft 4152, the driving shaft 4152 includes a central shaft, a first driving shaft sleeve and a second driving shaft sleeve, the first driving shaft sleeve is disposed on the central shaft, and the second driving shaft sleeve is disposed on the first driving shaft sleeve, so as to save space. The number of the winding driving members 4151 is three, the first winding driving member 4151 drives the central shaft to rotate through a synchronous wheel-synchronous belt mechanism, the second winding driving member 4151 drives the shaft sleeve to rotate through a synchronous wheel-synchronous belt mechanism, and the third winding driving member 4151 drives the shaft sleeve to rotate through a synchronous wheel-synchronous belt mechanism. One of the central shaft, the first driving shaft sleeve and the second driving shaft sleeve is in gear transmission with the needle sleeve 4111 of the winding station, the other one of the central shaft, the first driving shaft sleeve and the second driving shaft sleeve is in gear transmission with the needle sleeve 4111 of the rubberizing station, and the other one of the central shaft, the first driving shaft sleeve and the second driving shaft sleeve is in gear transmission with the needle sleeve 4111 of the blanking station, so that the three winding driving pieces 4151 can respectively drive the winding needle assemblies 411 of the three stations to rotate, and the winding needle assemblies 411 of each.

When the needle winding assembly 411 rotates to the winding station, the needle discharging assembly 413 drives the needle sheath 4111 to move axially along the rotary table 4123 relative to the rotary table 4123 to drive the first winding needle 4113, the second winding needle 4115 and the material clamping needle 4116 to extend, so that the septum is located between the material clamping needle 4116 and the second winding needle 4115. Then, the needle discharging assembly 413 drives the needle opening member 4117 to move relative to the needle sheath 4111 along the axial direction of the needle sheath 4111, and the needle opening member 4117 drives the material clamping needle 4116 to approach the second material winding needle 4115, so as to clamp the septum between the second material winding needle 4115 and the material clamping needle 4116. Then, the winding driving member 4151 drives the needle sheath 4111 to rotate, so as to drive the first winding needle 4113, the second winding needle 4115, and the material clamping needle 4116 to wind the septum. In the winding process, the pole piece feeding device 20 also simultaneously conveys the pole pieces to the winding station, so that the winding needle assembly 411 of the winding station can wind the diaphragm and the pole pieces to form the battery cell. After the pole piece and the diaphragm are wound for a predetermined length, the pole piece is cut off by the scissor assembly 25. The turntable 4123 is then rotated to switch the winding pin assembly 411 of the winding station to the taping station. At the same time, the next winding needle assembly 411, which is rotated to the winding station, grips the diaphragm.

further, referring mainly to fig. 6, the winding device 40 further includes a first guiding mechanism 42, and the first guiding mechanism 42 includes a first guiding driving member 421 and a first guiding wheel 422 connected to each other. The first guiding driving member 421 is connected to the frame 10 and can drive the first guiding wheel 422 to move. The first guide mechanisms 42 are provided with two sets, and the two first guide wheels 422 can allow the pole pieces and the diaphragms to pass through so as to guide the diaphragms and the pole pieces, so that the diaphragms and the pole pieces are accurately inserted between the material clamping pins 4116 and the second winding pins 4115.

Further, the winding device 40 further includes a second guiding mechanism 43, and the second guiding mechanism 43 includes a second guiding driving member 431, a second guiding wheel 432 and a third guiding wheel 433. The second guide driving member 431 is connected to the first guide driving member 421 and can drive the second guide wheel 432 to move, and the third guide wheel 433 is connected to the frame 10. The second guiding mechanisms 43 are provided with two sets, wherein a first diaphragm and a positive plate can pass through between the second guiding wheels 432 and the third guiding wheels 433 of one set of the second guiding mechanisms 43, and a second diaphragm and a negative plate can pass through between the second guiding wheels 432 and the third guiding wheels 433 of the other set of the second guiding mechanisms 43, so as to further guide the pole piece and the diaphragm. Moreover, when the second guide wheel 432 is close to the third guide wheel 433, the second guide wheel 432 can also tension the pole piece and the diaphragm, so that the pole piece and the diaphragm are kept in a tension state in the winding process, and the pole piece and the diaphragm are prevented from being wrinkled during winding.

referring mainly to fig. 6, the winding device 40 further includes a diaphragm cutting mechanism 44, and the diaphragm cutting mechanism 44 includes a cutter 441 assembly and a pressing assembly 442. The cutter 441 assembly comprises a cutter driving member (not shown in the figure) and a cutter 441 which are connected, wherein the cutter driving member is connected with the frame 10 and can drive the cutter 441 to cut off the diaphragm between the winding station and the rubberizing station. The pressing assembly 442 includes a pressing driving member 4421 and a pressing wheel 4422, the pressing driving member 4421 is connected to the frame 10, and can drive the pressing wheel 4422 to press the diaphragm between the winding station and the gluing station, so as to prevent the diaphragm from dropping after being cut. After the diaphragm between the winding station and the rubberizing station is cut off, the winding needle assembly 411 of the winding station starts to wind the next battery cell again, and the winding needle assembly 411 of the rubberizing station continues to rotate so as to wind the cut-off tailings.

further, the diaphragm severing mechanism 44 also includes an adjustment assembly 443, with the adjustment assembly 443 including an adjustment drive 4431 and an adjustment wheel 4432. The adjusting driving piece 4431 is connected with the pressing driving piece 4421 and can drive the adjusting wheel 4432 to be close to the battery cell of the rubberizing station so as to limit the diaphragm and the pole piece which are not wound on the rubberizing station to fall.

Referring mainly to fig. 7 to 9, the winding device 40 further includes a glue applying mechanism 45, and the glue applying mechanism 45 includes a glue feeding assembly 451, a glue pressing assembly 452, a glue cutting assembly 453, and a glue taking assembly 454. The glue feeding assembly 451 comprises a glue feeding driving part 4511 and a glue clamping part 4512 which are connected, wherein the glue feeding driving part 4511 is connected with the frame 10 and can drive the glue clamping part 4512 to reciprocate along a glue feeding direction so as to pull out the adhesive tape on the glue disc 4546. The glue pressing component 452 comprises a glue pressing driving part 4521 and a glue pressing part 4522 which are connected, the glue pressing driving part 4521 is connected with the rack 10, and the glue pressing part 4522 can be driven to press the adhesive tape. The rubber cutting assembly 453 comprises a rubber cutting driving member 4531 and a rubber cutting knife 4532 which are connected, wherein the rubber cutting driving member 4531 is connected with the frame 10 and can drive the rubber cutting knife 4532 to move so as to cut off the adhesive tape. The glue taking assembly 454 comprises a glue taking driving part 4541 and a glue taking wheel 4542 which are connected, wherein the glue taking driving part 4541 is connected with the rack 10 and can drive the glue taking wheel 4542 to reciprocate between a glue taking position and a glue applying position.

When the rubber taking wheel 4542 is located at the rubber taking position, the axial direction of the rubber taking wheel 4542 is parallel to the rubber feeding direction, and the rubber taking wheel 4542 can suck the cut rubber belt. When the rubber taking wheel 4542 is located at the rubberizing position, the rubber taking wheel 4542 corresponds to the rubberizing station, the axial direction of the rubber taking wheel 4542 is parallel to the axial direction of the battery cell, and the rubber taking wheel 4542 can paste the adhesive tape onto the battery cell at the rubberizing station along the axial direction of the battery cell.

In the above-mentioned tape sticking device, the tape feeding driving member 4511 drives the tape clamping portion 4512 to pull out the tape in the tape feeding direction, and the tape pressing driving member 4521 drives the tape pressing portion 4522 to press the tape onto the tape taking wheel 4542. Then, the tape cutting driving member 4531 drives the tape cutting knife 4532 to cut the tape, and the cut tape is adsorbed to the tape taking wheel 4542. Because the axial direction of the rubber taking wheel 4542 is parallel to the rubber feeding direction and the axial direction of the battery cell, when the cut adhesive tape is adsorbed on the rubber taking wheel 4542, the length direction of the adhesive tape is parallel to the axial direction of the rubber taking wheel 4542, so that the adhesive tape can be pasted on the battery cell along the axial direction of the battery cell, and the using amount of the adhesive tape is saved. Moreover, the mode of pasting the adhesive tape on the battery core along the axial direction of the battery core does not influence the tightness degree of the winding of the battery core, and the phenomenon that the battery core becomes tight after being pasted with the adhesive tape and loosens the core during discharging can be avoided, so that the production quality of the winding equipment adopting the adhesive tape pasting mechanism 45 is improved. In addition, because the adhesive tape is cut off and then attached to the battery cell, the length and the flatness of each adhesive tape are kept consistent, and the production consistency of the battery cell can be ensured.

Specifically, referring mainly to fig. 8, the glue pressing driving member 4521 includes a first glue pressing driving member 45211 and a second glue pressing driving member 45212. The first molding driving member 45211 is connected to the frame 10, and the second molding driving member 45212 is connected to the molding part 4522. The first glue pressing driving element 45211 can drive the glue pressing part 4522 to move along the glue feeding direction through the second glue pressing driving element 45212, and the second glue pressing driving element 45212 can drive the glue pressing part 4522 to press the adhesive tape to the glue taking wheel 4542.

Before the second glue pressing driving unit 45212 drives the glue pressing unit 4522 to press the adhesive tape onto the glue taking wheel 4542, the first glue pressing driving unit 45211 drives the glue pressing unit 4522 to approach the glue clamping unit 4512 in the glue feeding direction through the second glue pressing driving unit 45212. After the second glue pressing driving member 45212 drives the glue pressing portion 4522 to press the adhesive tape onto the glue taking wheel 4542, the first glue pressing driving member 45211 drives the glue pressing portion 4522 to reset through the second glue pressing driving member 45212. In the process of resetting of the rubber pressing portion 4522, the rubber pressing portion 4522 can smooth the adhesive tape on the rubber taking wheel 4542, so that the adhesive tape is smoother. Finally, the second glue driving member 45212 drives the glue pressing portion 4522 to reset.

Further, the glue cutting driving member 4531 is connected to the glue feeding driving member 4511, and the glue feeding driving member 4511 can drive the glue clamping portion 4512 and the glue cutting assembly 453 to reciprocate in the glue feeding direction together. That is, the glue-sandwiched portion 4512 and the glue-cutting unit 453 are not displaced relative to each other in the glue feeding direction. It is understood that in other embodiments, the glue cutting drive 4531 may be directly connected to the frame 10. At this time, in order to prevent the rubber clamp 4512 from contacting the rubber cutting member 453 when moving in the rubber feeding direction, the rubber cutting member 453 needs to be disposed on a side of the rubber clamp 4512 away from the rubber taking wheel 4542. At this time, the distance between the tape cutting assembly 453 and the tape becomes large, and the tape cutting knife 4532 needs to move a larger distance when cutting the tape, which is not favorable for improving the working efficiency of the tape sticking device.

referring primarily to fig. 8, the glue feeding assembly 451 further includes an auxiliary drive 4513, the auxiliary drive 4513 is connected to the glue feeding drive 4511, and the glue clamping portion 4512 is connected to the auxiliary drive 4513. Send gluey driving piece 4511 can pass through auxiliary driving piece 4513 drive doubling portion 4512 and move along sending gluey direction, and auxiliary driving piece 4513 can drive doubling portion 4512 and move along being close to the direction of getting gluey wheel 4542 to make the sticky tape be close to and get gluey wheel 4542, make things convenient for glue pressing portion 4522 to compress tightly the sticky tape to getting gluey wheel 4542 on.

The clamping portion 4512 includes a feeding station 45121, a clamping driving member 45122 and a clamping member 45123, the feeding station 45121 and the clamping driving member 45122 are connected to the auxiliary driving member 4513, and the clamping driving member 45122 is connected to the clamping member 45123. The clamping actuator 45122 can drive the clamping member 45123 to move so as to clamp the adhesive tape between the feeding station 45121 and the clamping member 45123.

Referring primarily to fig. 9, the glue dispensing mechanism further includes a mounting member 4543, the mounting member 4543 being rotatably coupled to the frame 10, and the mounting member 4543 being coupled to a glue dispensing wheel 4542. Get gluey driving piece 4541 and include that first get gluey driving piece 45411 and second get gluey driving piece 45412, first get gluey driving piece 45411 and be connected with frame 10, second get gluey driving piece 45412 and be connected with installed part 4543, first get gluey driving piece 45411 and second get gluey driving piece 45412 and all can drive installed part 4543 and rotate to make and get gluey wheel 4542 and get and glue the position and swing between the position.

Specifically, the first glue taking driving member 45411 and the second glue taking driving member 45412 are both air cylinders, and the stroke and the thrust of the first glue taking driving member 45411 are both greater than those of the second glue taking driving member 45412. The first driving piece 45411 of getting it glues can drive gets gluey wheel 4542 fast moving, and the second driving piece 45412 of getting it glues can drive gets gluey wheel 4542 and quasi-definitely lies in and gets gluey position and rubberizing position. The two cooperate to enable the glue fetching wheel 4542 to move quickly and accurately.

it should be noted that in the present embodiment, the glue taking driving member 4541 drives the glue taking wheel 4542 to swing relative to the frame 10, so that the glue taking wheel 4542 reciprocates between the glue taking position and the glue applying position. Of course, in other embodiments, the glue taking driving member 4541 may also drive the glue taking wheel 4542 to slide relative to the frame 10, and the movement path of the glue taking wheel 4542 is selected according to the relative position of the gluing device and the winding device 40.

Further, referring primarily to fig. 7, the outer peripheral surface of the glue wheel 4542 has an arcuate portion 45421 and a planar portion 45422, the planar portion 45422 being provided with vacuum holes 45423. Thus, the adhesive tape can be attracted to the flat portion 45422, making the adhesive tape more flat.

It is understood that, in the present embodiment, the gluing mechanism 45 further includes a vacuum generator (not shown) and a controller (not shown), and the vacuum generator is connected to the glue taking wheel 4542 to switch the vacuum hole 45423 between the vacuum state and the non-vacuum state. The controller is electrically connected with each driving piece and the vacuum generator, and the controller can control each driving piece and the vacuum generator to act cooperatively so as to finish adhesive tape pasting.

in addition, in this embodiment, the glue taking assembly 454 further includes a rotation driving element 4544, the rotation driving element 4544 is connected to the glue taking driving element 4541, and the rotation driving element 4544 can drive the glue taking wheel 4542 to rotate. Thus, when the pick-up wheel 4542 moves to the pick-up position, the rotation drive 4544 can drive the pick-up wheel 4542 to rotate to a position where the vacuum holes 45423 face the tape to suck the tape. When the glue taking driving part 4541 drives the glue taking wheel 4542 to move to the gluing position, the rotation driving part 4544 can also drive the glue taking wheel 4542 to rotate, so that the adhesive tape on the glue taking wheel 4542 is aligned with the battery cell, and the adhesive tape is glued on the battery cell. Moreover, when the rubber taking wheel 4542 rotates, the adhesive tape can be smoothed, so that the adhesive tape attached to the battery cell is smoother and firmer.

It should be noted that in other embodiments, the rotation drive 4544 may be eliminated. At this time, it is necessary to set the initial position of the dispensing wheel 4542 so that the vacuum holes 45423 are aligned with the tape when it is in the dispensing position. When the rubber taking wheel 4542 moves to the rubberizing position, the rubber taking wheel 4542 abuts against the battery cell, and the battery cell rotates to drive the rubber taking wheel 4542 to rotate so as to paste the adhesive tape on the rubber taking wheel 4542 onto the battery cell.

Referring mainly to fig. 10 to 13, the blanking device 50 corresponds to a blanking station and includes a material clamping mechanism 51, a material loading mechanism 52 and a material pushing mechanism 53, the material clamping mechanism 51 can clamp the battery cell wound by the winding device 40 and transfer the battery cell to the material loading mechanism 52, and the material pushing mechanism 53 can push the battery cell on the material loading mechanism 52 to the detection device 60.

specifically, the material clamping mechanism 51 includes a blanking assembly 511, a first blanking driving member 512 and a second blanking driving member 513. The first blanking driving member 512 is disposed on the frame 10 and connected to the second blanking driving member 513, and the second blanking driving member 513 is connected to the blanking assembly 511. The first blanking driver 512 can drive the blanking assembly 511 to rotate around the Y-axis through the second blanking driver 513, and the second blanking driver 513 can drive the blanking assembly 511 to move along the X-axis.

The blanking assembly 511 comprises a material clamping driving piece 5111 and a material clamp 5112 which are connected, wherein the material clamping driving piece 5111 is connected with the second blanking driving piece 513 and can drive the material clamp 5112 to open and close. The material loading mechanism 52 includes a material loading driving member 521 and a material loading platform 522, the material loading driving member 521 is disposed on the frame 10 and connected to the material loading platform 522, and the material loading driving member 521 can drive the material loading platform 522 to move along the Z axis. The material clamp 5112 is provided with a first avoiding groove 5113, the material loading platform 522 is provided with a second avoiding groove 5221, and the first avoiding groove 5113 and the second avoiding groove 5221 enable the material clamp 5112 and the material loading platform 522 to be arranged in a staggered manner, so that the battery cells clamped by the material clamp 5112 can be supported on the material loading platform 522. The second blanking driving member 513 can drive the clamping driving member 5111 and the clamp 5112 to return after the cell is supported on the loading platform 522, so that the cell is transferred from the clamp 5112 to the loading platform 522.

The pushing mechanism 53 includes a first pushing driving element 531, a second pushing driving element 532, and a pushing element 533, wherein the first pushing driving element 531 is disposed on the rack 10 and connected to the second pushing driving element 532. The second pushing driving member 532 is connected to the pushing member 533, and the pushing member 533 is provided with an accommodating groove 5331 for accommodating the battery cell. The first pushing driving member 531 can drive the pushing member 533 to move along the Y axis through the second pushing driving member 532, so that the battery cell is located in the accommodating groove 5331. The second pushing driving element 532 can drive the pushing element 533 to move along the X axis, so that the pushing element 533 pushes the battery cell from the loading platform 522 to the detecting device 60.

The blanking process of the blanking device 50 is further explained as follows: as shown in fig. 2, the nip 5112 corresponds to a winding station in an initial position. After the material clamping driving member 5111 drives the material clamp 5112 to clamp the electric core formed by winding of the winding device 40, the first blanking driving member 512 drives the second blanking driving member 513 to drive the material clamp 5112 to rotate 180 degrees around the Y axis. Then, the second blanking driving member 513 drives the material clamp 5112 with the battery cell clamped therein to move along the X axis to above the material loading table 522. Then, the loading driving member 521 drives the loading table 522 to move along the Z-axis. Because the material clamp 5112 is provided with the first avoiding groove 5113, the material loading platform 522 is provided with the second avoiding groove 5221, and the material clamp 5112 and the material loading platform 522 are arranged in a staggered manner, so that the battery cells clamped by the material clamp 5112 can be supported on the material loading platform 522. Then, the second blanking driving member 513 drives the material clamping driving member 5111 and the material clamp 5112 to reset along the X-axis. At this time, the battery cell is transferred to the loading table 522 by the material clamp 5112. Then, the first blanking driving member 512 drives the second blanking driving member 513 to drive the material clamp 5112 to rotate and reset around the Y axis. Meanwhile, the first material pushing driving member 531 drives the material pushing member 533 to move along the Y axis through the second material pushing driving member 532, so that the battery cell is located in the accommodating groove 5331. Then, the second pushing driving member 532 pushes the pushing member 533 to move along the X axis, so as to push the battery cell from the loading platform 522 to the detecting device 60.

it can be understood that, in the embodiment, the material clamp 5112 is provided with a first avoiding groove 5113, and the material loading platform 522 is provided with a second avoiding groove 5221. In other embodiments, only the material clamp 5112 may be provided with the avoiding groove. When the material loading driving part 521 drives the material loading platform 522 to move along the Z axis, the material loading platform 522 can be accommodated in the avoiding groove, and the material clamp 5112 and the material loading platform 522 are arranged in a staggered manner, so that the battery cell clamped by the material clamp 5112 can be supported on the material loading platform 522. Of course, in other embodiments, the avoiding groove may be only provided on the material loading platform 522.

referring mainly to fig. 10 and 13, the detecting device 60 includes a short-circuit detecting mechanism 61, and the short-circuit detecting mechanism 61 includes a pressing table 611, a pressing mechanism 612, and a short-circuit detecting component. The pressing table 611 is used to support the battery cell pushed by the pushing member 533, and the pressing mechanism 612 can press the battery cell. The short circuit detection assembly is connected with the material pressing mechanism 612, and the short circuit detection assembly can perform short circuit detection on the battery cell when the material pressing mechanism 612 presses the battery cell.

Specifically, the short circuit detection assembly includes a first conductive member 6131, a second conductive member 6132 and a short circuit tester 6133, where the first conductive member 6131 and the second conductive member 6132 are both connected to the pressing mechanism 612, and the first conductive member 6131 and the second conductive member 6132 are further electrically connected to the short circuit tester 6133. When the pressing mechanism 612 presses the battery cell, the first conductive piece 6131 abuts against one tab of the battery cell, and the second conductive piece 6132 abuts against the other tab of the battery cell. When the short circuit tester 6133 detects current, it indicates that the battery cell is good. Otherwise, the battery cell is a defective product. Like this, swager mechanism 612 can also compress tightly electric core when carrying out short circuit detection to electric core to improve production efficiency.

Further, referring mainly to fig. 10 and 11, the detecting device 60 further includes a conveying mechanism 62 and a CCD detecting assembly 63, and the CCD detecting assembly 63 is connected to the frame 10. When the material pushing component 533 transfers the battery cell on the material loading platform 522 to the material pressing platform 611, the material pushing component 533 can also push the battery cell on the material pressing platform 611 to the conveying mechanism 62, and the CCD detecting component 63 can perform appearance detection on the battery cell on the conveying mechanism 62.

It should be noted that the width of the accommodating groove 5331 is greater than the width of the battery cell to match the distance between the battery cell on the material loading table 522 and the battery cell on the material pressing table 611, so as to ensure that when the material pushing member 533 pushes the battery cell on the material loading table 522 to the material pressing table 611 along the X axis, the material pushing member 533 can push the battery cell on the material pressing table 611 to the conveying mechanism 62 at the same time.

In addition, the detection device 60 further comprises a waste removing mechanism 64, the waste removing mechanism 64 is arranged on the rack 10 and is electrically connected with the short circuit detection assembly and the CCD detection assembly 63, and the waste removing mechanism 64 can push the electric core detected as being unqualified by the short circuit detection assembly and the CCD detection assembly 63 out of the conveying mechanism 62. In this embodiment, the detecting device 60 further includes a waste material box 65, the waste material box 65 is connected with the rack 10, the conveying mechanism 62 is located between the waste material box 65 and the waste material removing mechanism 64, and the waste material removing mechanism 64 can push the detected unqualified battery core into the waste material box 65.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims (10)

1. A winding device is characterized by comprising a rack, a pole piece feeding device, a diaphragm feeding device, a winding device, a discharging device and a detection device;

The pole piece feeding device is used for conveying pole pieces to the winding device and comprises a tension mechanism, a first feeding driving piece, a second feeding driving piece, a feeding base, a clamping assembly and a scissors assembly, wherein the tension mechanism is connected with the rack and used for adjusting the tension of the pole pieces, the first feeding driving piece is connected with the rack and can drive the feeding base to move relative to the rack, the second feeding driving piece, the clamping assembly and the scissors assembly are all connected with the feeding base, and the second feeding driving piece can drive the clamping assembly to move relative to the feeding base;

The membrane feeding device is connected with the frame and used for conveying the membrane to the winding device;

The winding device is connected with the rack and is used for winding the pole piece and the diaphragm into a battery cell;

The blanking device is connected with the rack and used for conveying the battery cell formed by winding of the winding device to the detection device;

The detection device is connected with the rack and used for detecting whether the battery cell is qualified or not;

the pole piece feeding devices are provided with two groups to respectively convey a positive pole piece and a negative pole piece to the winding device, the diaphragm feeding devices are also provided with two groups to respectively convey a first diaphragm and a second diaphragm to the winding device, the first diaphragm is positioned between the positive pole piece and the negative pole piece, and the positive pole piece or the negative pole piece is positioned between the first diaphragm and the second diaphragm.

2. The winding apparatus according to claim 1, wherein the blanking device includes a material clamping mechanism, a material loading mechanism, and a material pushing mechanism, the material clamping mechanism is capable of clamping the battery cell wound by the winding device and transferring the battery cell to the material loading mechanism, and the material pushing mechanism is capable of pushing the battery cell on the material loading mechanism to the detection device.

3. The winding device according to claim 2, wherein the material clamping mechanism comprises a blanking assembly, a first blanking driving member and a second blanking driving member, the first blanking driving member is disposed on the frame and connected to the second blanking driving member, the second blanking driving member is connected to the blanking assembly, the first blanking driving member can drive the blanking assembly to rotate through the second blanking driving member, and the second blanking driving member can drive the blanking assembly to move; the blanking assembly comprises a clamping driving piece and a material clamp which are connected, the clamping driving piece is connected with the second blanking driving piece and can drive the material clamp to open and close, the material loading mechanism comprises a material loading driving piece and a material loading platform, the material loading driving piece is arranged on the rack and connected with the material loading platform, the material loading driving piece can drive the material loading platform to move so as to accept the electric core clamped by the material clamp, at least one of the material clamp and the material loading platform is provided with a avoiding groove, and the avoiding groove enables the material clamp and the material loading platform to be arranged in a staggered mode so that the electric core clamped by the material clamp can be supported on the material loading platform, and the second blanking driving piece can drive the material clamping driving piece and the material clamp to reset after the electric core is supported on the material loading platform.

4. the winding device according to any one of claims 2 to 3, wherein the material pushing mechanism includes a first material pushing driving member, a second material pushing driving member, and a material pushing member, the first material pushing driving member is disposed on the rack and connected to the second material pushing driving member, the second material pushing driving member is connected to the material pushing member, and a containing groove for containing the battery cell is disposed on the material pushing member, the first material pushing driving member can drive the material pushing member to move through the second material pushing driving member, so that the battery cell is located in the containing groove, and the second material pushing driving member can drive the material pushing member to move, so that the material pushing member pushes the battery cell to the detection device through the material loading mechanism.

5. the winding apparatus according to claim 1, wherein the detection device includes a short-circuit detection mechanism, the short-circuit detection mechanism includes a pressing table, a pressing mechanism, and a short-circuit detection assembly, the pressing table is configured to support the electrical core conveyed by the blanking device, the pressing mechanism is capable of pressing the electrical core, the short-circuit detection assembly includes a first conductive member, a second conductive member, and a short-circuit tester, the first conductive member and the second conductive member are electrically connected to the short-circuit tester, the first conductive member and the second conductive member are connected to the pressing mechanism, and the first conductive member and the second conductive member are capable of abutting against the tabs of the electrical core when the pressing mechanism presses the electrical core.

6. The winding device according to claim 1, wherein the winding device comprises a winding mechanism, the winding mechanism comprises a winding needle assembly, a station changing assembly, a needle discharging assembly, a needle drawing assembly and a winding driving assembly, the winding needle assembly comprises a needle sleeve, a first winding needle, a second winding needle, a material clamping needle and a needle opening assembly, the first winding needle, the second winding needle and the material clamping needle are all connected with the needle sleeve, the material clamping needle is located between the first winding needle and the second winding needle, a gap is arranged between the material clamping needle and the second winding needle, the needle opening assembly is arranged in the needle sleeve in a penetrating manner and can move relative to the needle sleeve along the axial direction of the needle sleeve, and three groups of the winding needle assembly are provided;

The work station changing component is arranged on the rack and can drive the winding needle component to rotate among a winding work station, a rubberizing work station and a discharging work station;

The needle discharging assembly and the needle drawing assembly are both connected with the rack, the needle discharging assembly corresponds to the winding station, the needle drawing assembly corresponds to the blanking station, the needle discharging assembly can drive the needle sleeve and the needle opening piece which are positioned on the winding station to respectively extend out along the axial direction of the needle sleeve, the needle opening piece can drive the material clamping needle to be close to the second winding needle when extending out, the needle drawing assembly can drive the needle sleeve and the needle opening piece which are positioned on the blanking station to retract along the axial direction of the needle sleeve, and the material clamping needle can reset when the needle opening piece retracts;

The winding driving assembly is connected with the rack and can drive the needle sleeve of the winding needle assembly to drive the first winding needle, the second winding needle and the material clamping needle to rotate around the axis of the needle sleeve.

7. The winding device according to claim 1 or 6, characterized in that the winding device further comprises a first guide mechanism, the first guide mechanism comprises a first guide driving member and a first guide wheel which are connected, the first guide driving member is connected with the frame and can drive the first guide wheel to move, two groups of the first guide mechanism are provided, and the two first guide wheels can be penetrated by the pole piece and the diaphragm; the winding device further comprises a second guide mechanism, the second guide mechanism comprises a second guide driving piece, a second guide wheel and a third guide wheel, the second guide driving piece is connected with the first guide driving piece and can drive the second guide wheel to move, the third guide wheel is connected with the rack, the second guide mechanism is provided with two groups, one group is formed in the second guide mechanism, the second guide wheel can supply the first diaphragm and the positive plate to pass through the third guide wheel, and the other group is formed in the second guide mechanism, the second guide wheel can supply the second diaphragm and the negative plate to pass through the third guide wheel.

8. The winding apparatus according to claim 6, wherein the winding device further comprises a taping mechanism, the taping mechanism comprising:

The glue feeding assembly comprises a glue feeding driving piece and a glue clamping part which are connected, the glue feeding driving piece is connected with the rack and can drive the glue clamping part to reciprocate along the glue feeding direction so as to pull out a glue tape;

the adhesive pressing component comprises an adhesive pressing driving piece and an adhesive pressing part which are connected, and the adhesive pressing driving piece is connected with the rack and can drive the adhesive pressing part to press the adhesive tape;

the adhesive tape cutting assembly comprises an adhesive tape cutting driving piece and an adhesive tape cutting knife which are connected, and the adhesive tape cutting driving piece is connected with the rack and can drive the adhesive tape cutting knife to move so as to cut off the adhesive tape; and

The glue taking assembly comprises a glue taking driving piece and a glue taking wheel which are connected, the glue taking driving piece is connected with the rack and can drive the glue taking wheel to reciprocate between a glue taking position and a glue pasting position;

When the rubber taking wheel is located at the rubber taking position, the axial direction of the rubber taking wheel is parallel to the rubber conveying direction, the rubber belt after cutting can be sucked by the rubber taking wheel, when the rubber taking wheel is located at the rubber pasting position, the axial direction of the rubber taking wheel is parallel to the axial direction of the battery cell, and the rubber belt can be pasted to the battery cell of the rubber pasting station along the axial direction of the battery cell by the rubber taking wheel.

9. The winding apparatus according to claim 8, wherein the glue pressing driving member comprises a first glue pressing driving member and a second glue pressing driving member connected to each other, the first glue pressing driving member is connected to the frame, the second glue pressing driving member is connected to the glue pressing portion, the first glue pressing driving member can drive the glue pressing portion to move along the glue feeding direction through the second glue pressing driving member, and the second glue pressing driving member can drive the glue pressing portion to press the adhesive tape to the glue taking wheel.

10. The winding apparatus according to claim 8, wherein the glue cutting driving member is connected to the glue feeding driving member, and the glue feeding driving member is capable of driving the glue clamping portion and the glue cutting assembly to reciprocate together along the glue feeding direction.