CN115149116A

CN115149116A - Electricity core coiling equipment

Info

Publication number: CN115149116A
Application number: CN202210988059.0A
Authority: CN
Inventors: 严海宏; 吴添俊; 朱佑琦
Original assignee: Dongguan Yakang Precision Machinery Co Ltd
Current assignee: Dongguan Yakang Precision Machinery Co Ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2022-10-04

Abstract

The invention relates to an electric core winding device which comprises two material roll-in mechanisms, a diaphragm cutter mechanism, a tail glue sticking mechanism, a blanking mechanism and a needle winding mechanism, wherein the two material roll-in mechanisms respectively correct the two material rolls and transmit the two material rolls to the needle winding mechanism of the needle winding mechanism to wind the two material rolls to form an electric core, the diaphragm cutter mechanism cuts a first material roll, the tail glue sticking mechanism adheres the tail glue to the electric core, the blanking mechanism blanks the electric core and loads gummed paper to the needle winding mechanism, the needle winding mechanism adsorbs the gummed paper, the end part of the cut material roll adheres to the gummed paper, and the material roll is wound up directly on the needle winding mechanism. The blanking mechanism is directly wound by winding the adhesive material of the adhesive paper to the winding needle mechanism without stopping, the fixed material is wound by the diaphragm cutter mechanism, the material is wound by the diaphragm cutter mechanism when the adhesive paper is wound, the diaphragm cutter mechanism is not required to be stopped for cutting, the time for winding the fixed material and cutting the material is saved, the winding efficiency is improved, the two material winding and feeding mechanisms correct the deviation of the material and transmit the material to the winding needle mechanism, and the regularity of the two material windings when the adhesive paper is wound is ensured.

Description

Electricity core coiling equipment

Technical Field

The invention relates to the technical field of lithium battery production, in particular to a battery cell winding device.

Background

The lithium ion storage battery has the advantages of small volume, light weight, large capacity and the like. Lithium ion batteries are increasingly used. The electrode size of lithium batteries requires both length and width and are very thin. The positive plate and the negative plate are separated by a diaphragm, and the relative position between the positive plate and the negative plate is very strict. In order to produce batteries or capacitors with large capacity and small internal resistance, the winding core is required to be tightly wound and have regular end surfaces, so that the operation process is required to be smooth and the quality is required to be high.

In the prior art, when a lithium battery cell is wound, a positive plate, a negative plate and a diaphragm need to be wound alternately to form the cell. After the pole piece on the feeding device is unreeled, the roller for loading the pole piece needs to be taken down, however, the existing winding machine needs to be stopped and is wound after being fixed and clamped on the head of the diaphragm through the inner clamp of the winding needle, so that the winding process of the winding needle cannot be continuously carried out, and the production efficiency is influenced.

Disclosure of Invention

The invention mainly aims to provide a battery cell winding device, which is used for solving the technical problem and improving the production efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an electricity core coiling equipment, including first material book roll-in piece mechanism, second material roll-in piece mechanism, diaphragm cutter mechanism, paste tail gum machine structure, unloading mechanism and book needle mechanism, first material roll-in piece mechanism with first material roll transmission after rectifying extremely book needle mechanism, second material roll-in piece mechanism with the second material roll rectify the back transmission extremely book needle mechanism, book needle mechanism roll up first material and second material roll coil winding formation electric core after, diaphragm cutter mechanism is decided first material roll, roll needle mechanism rotatory to electric core with paste tail gum machine structure and align, paste tail gum machine structure with the tail gum adhere on electric core, roll needle mechanism rotatory to electric core with unloading mechanism aligns, unloading mechanism with electric core unloading and with the gum paper material loading extremely on the book needle machine structure, roll needle mechanism will the gum paper adsorbs, the first material of cutting back rolls up the tip adhesion on the gum paper, first material roll up directly in roll needle machine constructs the roll-up.

As a preferred technical scheme, the needle winding mechanism comprises three needle winding bodies and three locking assemblies, the needle winding bodies are aligned with the locking assemblies, each needle winding body comprises an installation base, a rotating shaft, a spring and two needle winding structures, the rotating shaft is arranged on the installation base, the two needle winding structures are connected through the rotating shaft, the spring is arranged between the installation base and the needle winding structure, and the locking assemblies are locked with the end portions of the needle winding structures.

As a preferred technical scheme, the winding needle structure comprises a winding needle mounting seat, an inner needle sleeve and an outer winding needle, one end of the inner needle sleeve is fixedly arranged on the winding needle mounting seat, and the outer winding needle is arranged on the outer surface of the inner needle sleeve.

As an optimal technical scheme, first material is rolled up into piece mechanism and is passed the roller, is rectified including fixed bolster, movable support, CCD camera, encoder roller, encoder compression roller, the roller of rectifying, rectify compression roller and drive assembly, the CCD camera the encoder roller the encoder compression roller rectify the roller with rectify the compression roller set up in on the movable support, the CCD camera aligns the encoder roller, drive assembly set up in on the fixed bolster, the drive assembly drive the movable support removes, and compound piece passes through in proper order the encoder roller with between the encoder compression roller rectify the roller with after rectifying between the compression roller, in the formation electricity core of coiling needle coiling.

As a preferred technical scheme, the diaphragm cutter mechanism comprises a cutter mounting plate, a fixing plate, a diaphragm cutter assembly, a diaphragm compression roller, a cutter driving assembly, a compression roller mounting plate and a compression roller driving assembly, the diaphragm cutter assembly is arranged on the cutter mounting plate, the diaphragm compression roller is rotatably arranged on the compression roller mounting plate, the compression roller driving assembly drives the compression roller mounting plate to move relative to the fixing plate, and the cutter driving assembly drives the cutter mounting plate to move relative to the fixing plate.

As a preferred technical scheme, the blanking mechanism comprises a base plate, and a turning assembly, a rubberizing assembly and a clamping assembly which are arranged on the base plate, wherein the clamping assembly is used for blanking the wound battery core, the turning assembly rotates the base plate, and the rubberizing assembly is used for attaching gummed paper to a winding needle.

As a preferred technical scheme, the rubberizing subassembly is including rubberizing structure, reserve adhesive structure, rubberizing fly leaf and rubberizing cylinder, reserve adhesive structure set up in the both sides of rubberizing structure, the rubberizing structure with reserve adhesive structure set up in on the rubberizing fly leaf, the rubberizing cylinder drive the rubberizing fly leaf removes.

As a preferred technical scheme, the rubberizing structure comprises a rubberizing block air cylinder and a rubberizing block, and the rubberizing block air cylinder drives the rubberizing block to move.

As a preferred technical scheme, be equipped with glued structure including being equipped with gluey base, being equipped with gluey movable seat, be equipped with the rubber roll, supplementary being equipped with the rubber roll, being equipped with gluey cylinder and being equipped with gluey guide rail, be equipped with gluey guide rail set up in on the rubberizing fly leaf, be equipped with the rubber roll with supplementary being equipped with the rubber roll rotatory set up in be equipped with gluey on the movable seat, be equipped with gluey base with it connects to be equipped with gluey movable seat, be equipped with gluey cylinder drive it follows to be equipped with the rubber base it removes to be equipped with gluey guide rail.

As a preferred technical scheme, the centre gripping subassembly is including grip block, centre gripping cylinder, centre gripping motor and two clamping jaws, the centre gripping cylinder set up in on the base plate, the centre gripping motor set up in on the grip block, the drive of centre gripping cylinder the grip block is relative the base plate removes, two clamping jaws of centre gripping motor drive are close to each other or keep away from.

The invention has the beneficial effects that: above-mentioned electric core coiling equipment, the electric core that the unloading mechanism will accomplish the coiling is taken out, and to needle mechanism material loading adhesive tape, needle mechanism adsorbs the adhesive tape, can adhere the tip direct coiling of material book through the adhesive tape, need not to shut down and roll up the material with the stationary, diaphragm cutter mechanism can cut out the material book when coiling, need not to shut down and cut out, save the stationary material and roll up the time that the tip was rolled up and was cut out the material and roll up, winding efficiency is improved, first material is rolled up and is rolled up piece mechanism and second material and is rolled up piece mechanism and will roll up the material and rectify and retransmit to needle mechanism, can guarantee two neatnesses of material book when coiling.

Drawings

Fig. 1 is a schematic structural diagram of a cell winding apparatus according to the present invention;

FIG. 2 is a schematic view of the structure of the needle winding body according to the present invention;

FIG. 3 is a schematic view of the structure of the needle winding body during opening according to the present invention;

FIG. 4 is a cross-sectional view of a needle winding configuration according to the present invention;

FIG. 5 is a first structural schematic diagram of a first material roll-in sheet mechanism according to the present invention;

FIG. 6 is a second structural diagram of the first roll-to-sheet mechanism according to the present invention;

FIG. 7 is a first schematic structural diagram of a diaphragm cutter mechanism according to the present invention;

FIG. 8 is a second schematic structural view of a diaphragm cutter mechanism according to the present invention;

FIG. 9 is a side view of a diaphragm cutter mechanism according to the present invention;

FIG. 10 is a cross-sectional view of a cutter mounting roller according to the present invention;

FIG. 11 is a schematic structural view of a blanking mechanism according to the present invention;

FIG. 12 is a schematic view of the structure of a substrate, a flip assembly, a tape-out assembly, and a clamping assembly according to the present invention;

FIG. 13 is a schematic view of the operation of the taping assembly before feeding adhesive tape to the winding pin according to the present invention;

FIG. 14 is a schematic view of the taping assembly of the present invention in operation with feeding of the tape to the winding pin;

FIG. 15 is a schematic view of a glue dispensing assembly according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, a battery cell winding apparatus includes a first material roll feeding mechanism 1, a second material roll feeding mechanism 2, a diaphragm cutter mechanism 3, a tail glue pasting mechanism 4, a blanking mechanism 5, and a winding needle mechanism 6, where the first material roll feeding mechanism 1 corrects the deviation of a first material roll a and transmits the first material roll a to a winding needle mechanism 6, the second material roll feeding mechanism 2 corrects the deviation of a second material roll b and transmits the second material roll b to a winding needle mechanism 6, so that the winding needle mechanism 6 winds the first material roll a and the second material roll b to form a battery cell c at a winding station, the diaphragm cutter mechanism 3 cuts the first material roll a, the winding needle mechanism 6 rotates 60 ° so that the winding needle mechanism 6 rotates the winding needle mechanism 6 to rotate the winding needle mechanism 6, the winding needle mechanism 6 sucks the adhesive paper d to adhere the material roll, so that the end of the first material roll a is adhered to the battery cell c, the first material roll d can be adhered to the battery cell c and feed the adhesive d to the winding needle mechanism 6, the first material roll d can be adhered to the battery roll a, the first material roll d can be adhered to the second material roll a, the second material roll b, the first material roll b can be adhered to the winding needle mechanism, the second material roll b, and the second material roll b can be adhered to a, the second material roll b, and the second material roll b can be adhered to be a, the second separator mechanism can be adhered to be a, the winding needle mechanism can be a, and the second separator mechanism can be fixed to a, the second separator mechanism.

As shown in fig. 2 and fig. 3, the winding needle mechanism 6 includes three winding needle bodies 61 and three locking assemblies 62, the winding needle bodies 61 are aligned with the locking assemblies 62, and when the cell c needs to be wound, the locking assemblies 62 are connected with the winding needle bodies 61, so as to enlarge the diameter of the winding needle bodies 61, and then the winding is performed; when the battery cell c needs to be pulled away after winding is completed, the locking assembly 62 is separated from the winding needle body 61, so that the diameter of the winding needle body 1 is reduced, and the battery cell c is taken down by the blanking mechanism 5.

Referring to fig. 2, 3 and 4, the needle winding body 1 includes a mounting base 611, a rotating shaft 612, a spring 614 and two needle winding structures 613, the rotating shaft 612 is disposed on the mounting base 611, the two needle winding structures 613 are hinged to each other through the rotating shaft 612, the spring 614 is disposed between the mounting base 611 and the needle winding structures 613, a needle winding staggering gap 614 is disposed between the two needle winding structures 613, the locking component 2 can be locked to an end of the needle winding structure 613, so that the two needle winding structures 613 are away from each other, the needle winding gap 614 is increased, and the diameter of the entire needle winding body 61 is increased, when the locking component 62 is away from the needle winding structure 613, the two needle winding structures 613 are close to each other due to the force of the spring 614, the needle winding gap 614 is decreased, and the diameter of the entire needle winding body 61 is decreased. The needle winding structure 613 comprises a needle winding mounting seat 6131, an inner needle sleeve 6132 and an outer winding needle 6133, one end of the inner needle sleeve 6132 is fixedly arranged on the needle winding mounting seat 6131, and the outer winding needle 6133 is fixedly arranged on the outer surface of the inner needle sleeve 6132. The outer winding needle 6133 is provided with a vacuum adsorption cavity 61331, adsorption holes 61332, a diaphragm cutter avoiding groove 61333 and an air connector 61334, the vacuum adsorption cavity 61331 is arranged inside the outer winding needle 6133, the adsorption holes 61332 are equidistantly arranged on the outer surface of the outer winding needle 6133, the vacuum adsorption cavity 61331 is communicated with the adsorption holes 61332, the air connector 61334 is communicated with the vacuum adsorption cavity 61331, negative air pressure can be communicated through the air connector 61334, the adsorption holes 61332 can adsorb gummed paper at a blanking station, and the cut diaphragm end part is adhered to the gummed paper at a winding station, so that the winding needle body 61 does not stop rotating, the diaphragm end part of the diaphragm cutter after the gummed paper is adhered to the cut diaphragm is directly wound on the diaphragm, the production efficiency is improved, the diaphragm cutter avoiding groove 61333 is arranged on one side of the adsorption holes 61332, so that the diaphragm cutter is avoided, the collision between the winding needle body 61 and the diaphragm cutter mechanism 3 is prevented, and the service life of the cutter mechanism 3 is prolonged.

Continuing to combine with fig. 2 and fig. 3, the inner needle sleeve 6132 is provided with a locking block 61321, the locking block 61321 is disposed at one end of the inner needle sleeve 6132, an inclined surface 61322 which is inclined radially outward along the inner needle sleeve 6132 is disposed on the locking block 61321, the locking assembly 62 includes a linear motion module 622 and a locking nozzle 621, the linear motion module 622 drives the locking nozzle 621 to move, an inclined guide slot (not shown in the figure) is disposed on the locking nozzle 621, the locking block 61321 moves along the inclined guide slot, when the diameter of the needle winding body 61 needs to be enlarged, the linear motion module 622 drives the locking nozzle 621 to approach the locking block 61321, the locking block 61321 contacts with the inclined guide slot, the linear motion module 622 continues to drive, the locking block 61321 moves along the inclined guide slot through the inclined surface 61322, and then drives the two needle winding structures 613 to move away from each other, the spring 614 compresses, and the staggered needle winding gap 614 is enlarged, so that the diameter of the entire needle winding body 61 is enlarged; when the cell c needs to be pulled out after winding, the diameter of the winding needle body 61 needs to be reduced, the linear motion module 622 drives the locking nozzle 621 to be away from the locking block 61321, the two winding needle structures 613 are close to each other under the action force of the spring 614, the winding needle staggered needle gap 614 is reduced, the diameter of the whole winding needle body 61 is reduced, and the cell c is convenient to take down.

Referring to fig. 5 and 6, the first material roll feeding mechanism 1 includes a fixed frame 11, a movable frame 12, a CCD camera 13, an encoder roller 14, an encoder press roller 15, a deviation correcting roller 16, a deviation correcting press roller 17, a light source 18, a transverse driving assembly 19 and a longitudinal driving assembly 110, the CCD camera 13, the encoder roller 14, the encoder press roller 15, the deviation correcting roller 16, the deviation correcting press roller 17 and the light source 18 are disposed on the movable frame 12, the CCD camera 13 and the light source 18 are aligned with the encoder roller 14, the encoder press roller 15, the deviation correcting roller 16 and the deviation correcting press roller 17 are rotatably disposed on the movable frame 12, the longitudinal driving assembly 110 is disposed on the fixed frame 11, the longitudinal driving assembly 110 drives the movable frame 12 to move longitudinally relative to the fixed frame 11, the transverse driving assembly 19 drives the fixed support 11 to transversely move the first material roll a to sequentially pass between the encoder roller 14 and the encoder press roller 15, after the deviation correction is performed between the deviation correction roller 16 and the deviation correction press roller 17, the electric core c is formed by winding the winding needle mechanism 6, the CCD camera 13 records the sheet feeding angle position of the first material roll a when the first material roll a starts to be wound as the reference position, the thickness of the electric core c on the winding needle mechanism 6 is gradually increased along with the rotation of the winding needle mechanism 6, when the CCD camera 13 detects that the sheet feeding angle of the first material roll a is changed, the transverse driving assembly 19 drives the fixed support 11 to move, so that the encoder roller 14, the encoder press roller 15, the deviation correction roller 16 and the deviation correction press roller 17 are driven to move, the angle of the first material roll a for winding the sheet feeding is ensured to be consistent, the encoder value and the winding value can be accurately controlled to be synchronous, and the thickness of each electric core c formed by winding is ensured to be the same. The longitudinal driving assembly 110 can drive the movable support 12 to move longitudinally relative to the fixed support 11 according to the diameter of the needle winding mechanism 6, so that the deviation rectifying roller 16 is close to the needle winding mechanism 6, and the deviation rectifying effect is improved.

Referring to fig. 6, the longitudinal driving assembly 110 and the transverse driving assembly 19 have the same structure, the transverse driving assembly 19 includes a driving motor 191, a driving screw 192, a driving connecting block 193, and a driving guide rail 194, the driving screw 192 is engaged with the driving connecting block 193, the driving connecting block 193 is fixedly disposed on the fixing bracket 11, and the driving motor 191 drives the driving screw 192 to rotate to drive the driving connecting block 193 to move, so as to drive the fixing bracket 11 to move along the driving guide rail 194.

Referring to fig. 1, the second material roll feeding mechanism 2 includes a feeding roller 21, a deviation-correcting sensor 22 and a deviation-correcting structure 23, the second material roll b is transmitted to the winding needle mechanism 6 through the feeding roller 21, the deviation-correcting sensor 22 senses the position of the second material roll b, and when the second material roll b needs to be corrected, the deviation-correcting structure 23 drives the second material roll b to move.

As shown in fig. 7, the membrane cutter mechanism 3 includes a cutter mounting plate 31, a fixing plate 32, a membrane cutter assembly 35, a membrane pressing roller 36, a cutter driving assembly 34, a pressing roller mounting plate 33, a pressing roller driving assembly 37, a residual roll driving assembly 38, and a residual roll pressing roller 39, the membrane cutter assembly 35 is disposed on the cutter mounting plate 31, the membrane pressing roller 36 is rotatably disposed on the pressing roller mounting plate 33, the pressing roller driving assembly 37 drives the pressing roller mounting plate 33 to move relative to the fixing plate 32, the cutter driving assembly 34 drives the cutter mounting plate 31 to move relative to the fixing plate 32, when a first roll a needs to be cut after a cell c is wound for one time, the cutter driving assembly 34 drives the cutter mounting plate 31 to move relative to the fixing plate 32, the membrane pressing roller 36 presses the first roll a, the roll needle body 61 continuously rotates, the membrane cutter assembly 35 drives the first roll a to only compound the two-layer film cutting needle, the first roll a, the cutter driving assembly 34 drives the cutter mounting plate 31 to reset, the residual roll driving assembly 38 drives the residual roll mounting plate to press the first roll a against the pressing roller 39 a, the residual roll 60 a, the first roll can prevent the end of the membrane cutter assembly from being removed from the first roll after the residual roll c is wound, and the residual roll can be removed from the first roll driving assembly 61, and the residual roll driving assembly 61 a, and the residual roll driving assembly can be removed from the cell after the cell driving assembly 61, and the residual roll driving assembly 61 is removed from the cell driving assembly 61, and the residual roll driving assembly 38 is removed from the cell driving assembly 61, and the cell.

Referring to fig. 7, 8, 9 and 10, the diaphragm cutter assembly 35 includes a cutter mounting roller 351, a cutter rotating motor 352, a synchronous belt 353 and a synchronous pulley 354, the synchronous pulley 354 is fixedly disposed at one end of the cutter mounting roller 351, the cutter rotating motor 352 is connected to the synchronous pulley 354 through the synchronous belt 353, the cutter rotating motor 352 is driven to rotate the synchronous pulley 354 through the synchronous belt 353, so as to drive the cutter stabilizing roller 351 to rotate. The cutter mounting roller 351 comprises a support shaft 3511, a cutter 3517, a heating pipe 3512, a heat insulation layer 3513, a sealant layer 3515 and a support layer 3514, a cutter mounting structure 3516 is arranged on the support shaft 3511, the cutter 3517 is detachably arranged on the cutter mounting structure 3516, the heating pipe 3512 is arranged in the support shaft 3511, the heat insulation layer 3513, the support layer 3514 and the sealant layer 3515 are sequentially arranged outside the support shaft 3511, the heat insulation layer 3513 is coated outside the cutter mounting structure 3516, the support layer 3514 is made of a metal material and can be rigidly supported, the heat insulation layer 3513 can prevent heat of the heating pipe 3512 from being dissipated outside the cutter mounting roller 351, heat can be blocked from being transferred to the sealant layer 3515, damage can be caused to the first material roll a, and the sealant layer 3515 can prevent metal chips from being rolled into the battery core c.

Referring to fig. 9, the cutter driving assembly 34 includes a cutter driving motor 341, a cutter driving screw 342, a cutter driving guide rail 345, a cutter driving connecting block 343, and a cutter driving slider 344, the cutter driving slider 344 is fixed on the upper end surface of the cutter mounting plate 31, the cutter driving guide rail 345 is fixed on the lower end surface of the fixing plate 32, the cutter driving connecting block 343 is engaged with the cutter driving screw 342 and fixed on the cutter mounting plate 31, the cutter driving motor 341 drives the cutter driving screw 342 to rotate to drive the cutter driving connecting block 343 to move, so as to drive the cutter driving slider 344 to move along the cutter driving guide rail 345, thereby driving the diaphragm cutter assembly 35 to move.

As shown in fig. 9, the pressing roller driving assembly 37 includes a pressing roller driving cylinder 371, a pressing roller driving slider 372 and a pressing roller driving guide 373, the pressing roller driving guide 373 is fixedly disposed on the upper end surface of the fixing plate 32, the pressing roller driving slider 372 is fixedly disposed on the lower end surface of the pressing roller mounting plate 33, the pressing roller driving slider 372 moves along the pressing roller driving guide 373, and the pressing roller driving cylinder 371 drives the pressing roller mounting plate 33 to move along the pressing roller driving guide 373, so as to drive the diaphragm pressing roller 36 to move.

Referring to fig. 1, the tail glue attaching mechanism 4 includes a tail glue roller 41, a swing arm assembly 43, and a glue preparing assembly 42, wherein the glue preparing assembly 42 feeds the tail glue to the tail glue roller 41, and the swing arm assembly 43 drives the tail glue roller 41 to move, so as to attach the tail glue to the electric core c of the winding needle body 61 located at the glue attaching station.

As shown in fig. 11, the blanking mechanism 5 includes a substrate 51, an overturning assembly 52, an adhesive applying assembly 53, a clamping assembly 54 and a gluing assembly 55, the overturning assembly 52, the adhesive applying assembly 53 and the clamping assembly 54 are disposed on the substrate 51, the clamping assembly 54 blanks the electric core c located on the needle winding mechanism 6, the gluing assembly 55 loads the adhesive paper d to the adhesive applying assembly 53, the overturning assembly 52 drives the substrate 51 to rotate, so that the positions of the adhesive applying assembly 53 and the clamping assembly 54 are switched, the adhesive applying assembly 53 loads the adhesive paper d to the needle winding mechanism 6, and the needle winding mechanism 6 adsorbs the adhesive paper d.

As shown in fig. 12, 13 and 14, the glue sticking assembly 53 includes a glue sticking structure 533, a glue preparing structure 534, a glue sticking movable plate 531 and a glue sticking cylinder 532, the glue preparing structures 534 are disposed on two sides of the glue sticking structure 534, and can press two ends of the glue paper d to the surface of the needle winding body 61, so that the body 61 can adsorb and press the glue paper d, the glue sticking structure 533 and the glue preparing structure 534 are disposed on the glue sticking movable plate 531, the glue sticking cylinder 532 drives the glue sticking movable plate 531 to move, so as to press the glue paper d to the needle winding body 61, the glue sticking structure 533 includes a glue sticking block cylinder 5332 and a glue sticking block 5331, and the glue sticking block cylinder 5332 drives the glue sticking block 5331 to move. The glue preparation structure 534 comprises a glue preparation base 5341, a glue preparation cylinder 5342, a glue preparation roller 5343, an auxiliary glue preparation roller 5344, a glue preparation movable base 5345, guide rods 5346, a spring (not shown), a glue preparation guide rail 5347, a glue preparation slider 5348, an anti-rotation cylinder 5349 and a limiting ring 53410, wherein the glue preparation guide rail 5347 is arranged on the glue pasting movable plate 531, the glue preparation roller 5343 and the auxiliary glue preparation roller 5344 are respectively and rotatably arranged on the two glue preparation movable bases 5345, one end of the two guide rods 5346 is arranged on the one glue preparation movable base 5345, the guide rods 5346 penetrate through the glue preparation movable base 5341, the limiting ring 53410 is arranged at the other end of the guide rods 5346 and used for limiting the movable distance of the guide rods 5346, the guide rods 5346 penetrate through the spring, one end of the spring abuts against the glue preparation movable base 5345, the other end abuts against the glue preparation base 5341, the glue preparation base 5341 is fixedly arranged with the glue preparation slider 5348, the glue preparation slider 5348 moves along the glue preparation cylinder guide rail 5347, the glue preparation cylinder guide rail drives the glue preparation cylinder 5342 to abut against the glue preparation cylinder 5343 and prevent the glue preparation roller 53410 from rotating. When the adhesive paper d needs to be fed to the needle winding mechanism 6, the turning assembly 52 drives the rotating base plate 51 to enable the adhesive sticking assembly 53 to align with the needle winding body 61, the adhesive sticking cylinder 532 drives the adhesive sticking movable plate 531 to move, the adhesive paper d is moved to a position tangent to the needle winding body 61, the adhesive sticking block cylinder 5332 drives the adhesive sticking block 5331 to move, the adhesive paper d is pressed to the surface of the needle winding body 61, the needle winding body 61 adsorbs the adhesive paper d, the adhesive preparation cylinder 5342 drives the adhesive preparation base 5341 to move along the adhesive preparation guide rail 5347, the adhesive preparation roller 5343 and the auxiliary adhesive preparation roller 5344 are in contact with the needle winding body 61 and compress the spring, the adhesive preparation roller 5343 and the auxiliary adhesive preparation roller 5344 press two ends of the adhesive paper d to the surface of the needle winding body 61 to prevent the adhesive paper d from being adsorbed tightly by the needle winding body 61, and then the adhesive sticking cylinder 532, the adhesive sticking block cylinder 5332 and the adhesive preparation cylinder 5342 are reset, at this time, the needle winding body 61 rotates to enable the adhesive paper d to start to be adhered to the first material roll.

As shown in fig. 12, the clamping assembly 54 includes a clamping plate 541, a clamping cylinder 543, a clamping motor 542, and two clamping jaws 544, the clamping cylinder 543 is fixed on the substrate 51, the clamping motor 542 is fixed on the clamping plate 541, the clamping cylinder 543 drives the clamping plate 541 to move relative to the substrate 51, the clamping motor 542 drives the two clamping jaws 541 to move closer to or away from each other, when a battery cell c on the winding needle body 61 needs to be blanked, the flipping assembly 52 drives the substrate 51 to rotate, so that a gap between the two clamping jaws 541 is aligned with the battery cell c, the clamping cylinder 543 drives the clamping plate 541 to move, so that the battery cell is located between the two clamping jaws 541, and the clamping motor 542 drives the two clamping jaws 541 to move closer to each other, so that the battery cell c is separated from the winding needle body 61, and the battery cell c is blanked.

Referring to fig. 15, the glue applying assembly 55 includes two glue applying units 551, a first moving structure 552, a second moving structure 553, and a third moving structure 554, wherein two glue applying units 551 are provided, one glue applying unit 551 is disposed on one side of the third moving structure 554, the other glue applying unit 551 is connected to the third moving structure 554, one glue applying unit 551 and the third moving structure 554 are connected to the second moving structure 553, the second moving structure 553 is connected to the first moving structure 552, the first moving structure 552 drives the second moving structure 553 to move, so that the glue d on the glue applying unit 551 can be aligned with the glue applying assembly 53, the second moving structure 553 drives the third moving structure 554 and one glue applying unit 551 to move, so that the glue d on the two glue applying units 551 can be fed to the glue applying assembly 53, so that the glue applying assembly 53 can apply the glue to both sides of the needle body 61 to apply the two ends of the glue, the third moving structure 554 drives the other glue applying unit 551 to move, so that the distance between the two glue applying units 551 can be adjusted according to the wide application range of the glue applying assemblies 55, and the application range of the diaphragm assemblies 55 can be adapted to a wide application range of the application. The gluing unit 551 includes a gluing substrate 5511 and a glue-releasing tray 5512 disposed on the gluing substrate 5511, a release roller 5513, a glue-pressing structure 5514, a glue-pulling roller 5515, a glue-pulling guide rail 5516, a cutting structure 55110, a first glue-pulling tray 5517, a second glue-pulling tray 5518 and a third glue-pulling tray 5519, the release roller 5513 aligns with the glue-pressing structure 5514, the glue-pulling roller 5515 moves along the glue-pulling guide rail 5516, the cutting structure 55110 is disposed between the first glue-pulling tray 5517 and the second glue-pulling tray 5518, the release tray 5512 unreels the glued paper d passing between the release roller 5513 and the glue-pressing structure 5514, and the glued end face of the glued paper d is adhered to the release roller 5513, and unreeled to between the glue-pulling roller 5515 and the first glue-pulling tray 5517, and the end of the glued paper d is adhered to the glue-pulling roller 15, the first glue-pulling tray 5517 adsorbs the glued paper d, when the glued paper d is needed to be glued, the paper 5516 moves along the glue-pulling roller 5516, the second glue-pulling tray 5519 and drives the second glue-pulling tray 5519 to move the glue-pulling tray 5516, and the gluing unit 5519 to drive the second glue-pulling tray 5519 to move the glue-pulling tray 5519, and the gluing unit 5519 to drive the glue-pulling unit 5519 to move the gluing structure to move the glue-pulling unit 5519, and move the gluing unit 5519 to drive the glued paper to drive the gluing structure 5516 to move the gluing unit 5519, and move the gluing unit 5519 to drive the glued paper-pulling unit 5519 to drive the gluing structure. Wherein, the structure 5514 of moulding is can be compressed tightly the adhesive tape d to on the release roller 5513, makes the adhesive tape material area keep the tensioning.

Before the battery cell winding equipment is used, the glue pulling roller 5515 moves along the glue pulling guide rail 5516 to pull the glue pulling roller 5515, glue paper d is pulled to the third glue applying disc 5519 through the second glue applying disc 5518, the second glue applying disc 5518 and the third glue applying disc 5519 adsorb the glue paper d, the cutting structure 55110 is driven, the glue paper d is cut between the first glue applying disc 5517 and the second glue applying disc 5518, and the glue paper d is adsorbed and fixed between the second glue applying disc 5518 and the third glue applying disc 5519 so as to be loaded to the glue sticking assembly 53.

The first moving structure 552 drives the second moving structure 553 to move, so that the gummed paper d on the gluing unit 551 can align with the gumming block 5331, the second moving structure 553 drives the third moving structure 554 and one gluing unit 551 to move, the gummed paper d on the two gluing units 551 is driven to be close to the gumming block 5331, the gumming block cylinder 5332 drives the gumming block 5331 to move, the anti-rotation cylinder 53410 is driven to abut against the glue preparation roller 5343, the glue preparation roller 5343 is prevented from rotating, the gummed paper d is adhered to the gumming block 5331 and the glue preparation roller 5343, and one-time feeding of the gummed paper d is completed.

The linear motion module 622 drives the locking mouth 621 to approach the locking block 61321, the locking block 61321 contacts with the inclined guide groove, the linear motion module 622 continues to drive, the locking block 61321 moves along the inclined guide groove through the inclined surface 61322 to drive the two winding needle structures 613 to be away from each other, the spring 614 is compressed to increase the winding needle staggered needle gap 614, the diameter of the whole winding needle body 61 is enlarged, the turnover assembly 52 drives the rotating base plate 51 to enable the rubberizing assembly 53 to align with the winding needle body 61, the rubberizing cylinder 532 drives the rubberizing movable plate 531 to move the gummed paper d to a position tangent to the winding needle body 61, the rubberizing block cylinder 5332 drives the rubberizing block 5331 to move to press the gummed paper d to the surface of the winding needle body 61, the winding needle body 61 adsorbs the gummed paper d, the glue preparing cylinder 5342 drives the glue preparing base 5341 to move along the glue preparing guide rail 5347, the glue preparing roller 5343 and the auxiliary glue preparing roller 5344 are in contact with the winding needle body 61 and compress the spring, so that the two ends of the glue paper d are pressed to the surface of the winding needle body 61 by the glue preparing roller 5343 and the auxiliary glue preparing roller 5344, the adsorption hole 61332 adsorbs the glue paper d to prevent the winding needle body 61 from not adsorbing the glue paper d tightly, then the gluing cylinder 532, the gluing block cylinder 5332 and the glue preparing cylinder 5342 are reset, at the moment, the winding needle mechanism 6 rotates 60 degrees, the winding needle body 61 with the glue tape d is moved to a winding station, and meanwhile, the gluing assembly 55 continues to prepare the glue tape d to load the glue block 53 for the next time so as to finish sequential gluing.

When in use, the first material roll feeding mechanism 1 conveys the first material roll a to the winding needle mechanism 6, the second material roll feeding mechanism 2 conveys the second material roll b to the winding needle mechanism 6, the end part of the first material roll a is adhered to the adhesive paper d on the winding needle body 61 on the winding station, the second material roll b is wound by the friction force between the second material roll b and the first material roll a to form the electric core c,

when the diaphragm cutting mechanism 3 cuts the first material roll a, the cutter driving motor 341 drives the cutter driving screw rod 342 to rotate, the cutter driving connecting block 343 is driven to move, the cutter driving slider 344 is driven to move along the cutter driving guide rail 345, so that the cutter mounting plate 31 moves relative to the fixing plate 32, thereby the diaphragm cutting assembly 35 is driven to move, until the surface of the cutter mounting roller 351 contacts with the first material roll a, the pressure roller driving slider 372 moves along the pressure roller driving guide rail 373, the pressure roller driving cylinder 371 drives the pressure roller mounting plate 33 to move along the pressure roller driving guide rail 373, thereby the diaphragm pressure roller 36 is driven to move, so that the diaphragm pressure roller 36 compresses the first material roll a, at this time, the winding needle body 61 continuously rotates, after the cutter mounting roller 351 and the diaphragm pressure roller 36 are driven to rotate to a certain angle, the cutter 3517 contacts with the first material roll a, and only two layers of diaphragms are compounded on the first material roll a to be cut, the cutter driving motor 341 drives the diaphragm cutter assembly 35 to reset, the residual roll driving assembly 38 drives the residual roll pressing roller 39 to press against the battery core c, the cutter rotating motor 352 drives the synchronous belt wheel 34354 to rotate through the synchronous belt 353, so as to drive the cutter stabilizing roller 351 to rotate, so that the cutter 3517 rotates to a set angle, when next cutting is ensured, after the cutter mounting roller 351 rotates by the same angle, the cutter 3517 can be contacted with the first roll a, the roll needle body 61 continuously rotates and the roll needle mechanism 6 rotates by 60 degrees, so that the cut battery core c is transferred to the gluing station, the other roll needle body 61 is transferred to the winding station, the glue preparing assembly 42 feeds the tail glue onto the tail rubber roller 41, the swing arm assembly 43 drives the tail rubber roller 41 to move, the tail rubber is adhered to the battery core c of the roll needle body 61 positioned on the gluing station, the residual roll driving assembly 38 drives the residual roll pressing roller 39 to reset, the diaphragm pressing roller 36 presses the cut end of the first material roll a against the other roll needle body 61, and when the other roll needle body 61 successfully winds the cut end of the first material roll a, the pressing roller driving cylinder 371 drives the pressing roller mounting plate 33 to move along the pressing roller driving guide 373, so that the diaphragm pressing roller 36 is reset.

After the tail glue sticking is completed, the needle winding mechanism 6 rotates by 60 degrees, so that the battery cell c completing the tail glue sticking moves to a blanking station, the linear motion module 622 drives the lock nozzle 621 to be far away from the locking block 61321, the two needle winding structures 613 are close to each other under the acting force of the spring 614, the needle winding staggered needle gap 614 is reduced, the diameter of the whole needle winding body 61 is reduced, the turnover assembly 52 drives the rotary substrate 51, the clamping assembly 54 is aligned with the battery cell, the glue pasting assembly 53 is aligned with the glue applying assembly 55, and the gap between the two clamping jaws 541 is aligned with the battery cell, the clamping cylinder 543 drives the clamping plate 541 to move, the battery cell is located between the two clamping jaws 541, the clamping motor 542 drives the two clamping jaws 541 to be close to each other to clamp the battery cell c, the battery cell c is separated from the needle winding body 61, and the battery cell c is blanked; meanwhile, the first moving structure 552 drives the second moving structure 553 to move, so that the gummed paper d on the gumming unit 551 can align with the gumming block 5331, the second moving structure 553 drives the third moving structure 554 and one gumming unit 551 to move, so that the gummed paper d on the two gumming units 551 is driven to be close to the gumming block 5331, the gumming block cylinder 5332 drives the gumming block 5331 to move, the anti-rotation cylinder 53410 is driven to abut against the glue preparation roller 5343, the glue preparation roller 5343 is prevented from rotating, the gummed paper d is adhered to the gumming block 5331 and the glue preparation roller 5343, and one-time feeding of the gummed paper d is completed; after the blanking of the battery cell c is completed, the overturning assembly 52 drives the rotating base plate 51 to enable the gluing assembly 53 to align with the winding needle body 61, the gluing cylinder 532 drives the gluing movable plate 531 to move, the glue paper d is moved to a position tangent to the winding needle body 61, the gluing block cylinder 5332 drives the gluing block 5331 to move, the glue paper d is pressed to the surface of the winding needle body 61, the winding needle body 61 adsorbs the glue paper d, the glue preparation cylinder 5342 drives the glue preparation base 5341 to move along the glue preparation guide rail 5347, the glue preparation roller 5343 and the auxiliary glue preparation roller 5344 are in contact with the winding needle body 61 and compress the spring, the glue preparation roller 5343 and the auxiliary glue preparation roller 5344 press two ends of the glue paper d to the surface of the winding needle body 61 to prevent the winding needle body 61 from not adsorbing the glue paper d tightly, and then the gluing cylinder 532, the gluing block cylinder 5332 and the glue preparation cylinder 5342 are reset to complete one-time winding.

The above-mentioned embodiments are only preferred examples of the present invention, and should not be construed as limiting the scope of the invention, so that the equivalent changes or modifications made by the constructions, features and principles described in the claims of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a battery core coiling equipment, its characterized in that rolls up piece mechanism, second material including first material and rolls up piece mechanism, diaphragm cutter mechanism, pastes tail gum machine structure, unloading mechanism and book needle mechanism, first material is rolled up piece mechanism and is rolled up first material and roll up after rectifying transmission extremely book needle mechanism, second material is rolled up piece mechanism and is rolled up the second material and roll up after rectifying transmission extremely book needle mechanism, book needle mechanism roll up first material and second material and roll up after forming electric core, diaphragm cutter mechanism is decided first material and is rolled up the material, roll needle mechanism rotatory to electric core with paste tail gum machine structure and align, paste tail gum machine structure with the tail gum on electric core, roll needle mechanism rotatory to electric core with unloading mechanism aligns, unloading mechanism with electric core unloading and with the adhesive tape material extremely on the book needle mechanism, roll needle mechanism will the adhesive tape adsorbs, the first tip adhesion after cutting off is rolled up on the adhesive tape, first material roll up directly in book needle mechanism is rolled up a book.

2. The cell winding apparatus according to claim 1, wherein the winding pin mechanism includes three winding pin bodies and three locking assemblies, the winding pin bodies are aligned with the locking assemblies, the winding pin bodies include a mounting base, a rotating shaft, a spring, and two winding pin structures, the rotating shaft is disposed on the mounting base, the two winding pin structures are connected through the rotating shaft, the spring is disposed between the mounting base and the winding pin structures, and the locking assemblies are locked to end portions of the winding pin structures.

3. The cell winding device according to claim 2, wherein the winding needle structure includes a winding needle mounting seat, an inner needle sleeve and an outer winding needle, one end of the inner needle sleeve is fixedly arranged on the winding needle mounting seat, and the outer winding needle is arranged on an outer surface of the inner needle sleeve.

4. The cell winding device according to claim 3, wherein the first material feeding mechanism comprises a fixed support, a movable support, a CCD camera, an encoder roller, an encoder press roller, a deviation correcting press roller and a driving assembly, the CCD camera, the encoder roller, the encoder press roller, the deviation correcting roller and the deviation correcting press roller are arranged on the movable support, the CCD camera is aligned with the encoder roller, the driving assembly is arranged on the fixed support, the driving assembly drives the movable support to move, and a composite sheet sequentially passes through the encoder roller, the encoder press roller, the deviation correcting roller and the deviation correcting press roller and then is wound on a winding needle to form the cell.

5. The cell winding apparatus according to claim 4, wherein the membrane cutter mechanism includes a cutter mounting plate, a fixing plate, a membrane cutter assembly, a membrane pressing roller, a cutter driving assembly, a pressing roller mounting plate, and a pressing roller driving assembly, the membrane cutter assembly is disposed on the cutter mounting plate, the membrane pressing roller is rotatably disposed on the pressing roller mounting plate, the pressing roller driving assembly drives the pressing roller mounting plate to move relative to the fixing plate, and the cutter driving assembly drives the cutter mounting plate to move relative to the fixing plate.

6. The cell winding apparatus according to claim 2, 3, 4, or 5, wherein the blanking mechanism includes a base plate, and a turning assembly, a tape applying assembly, and a clamping assembly disposed on the base plate, the clamping assembly blanks the wound cells, the turning assembly rotates the base plate, and the tape applying assembly attaches the adhesive paper to the winding pins.

7. The cell winding apparatus according to claim 6, wherein the adhesive applying assembly includes an adhesive applying structure, an adhesive preparing structure, an adhesive applying movable plate, and an adhesive applying cylinder, the adhesive preparing structure is disposed on two sides of the adhesive applying structure, the adhesive applying structure and the adhesive preparing structure are disposed on the adhesive applying movable plate, and the adhesive applying cylinder drives the adhesive applying movable plate to move.

8. The cell winding apparatus according to claim 7, wherein the adhesive structure includes an adhesive block cylinder and an adhesive block, and the adhesive block cylinder drives the adhesive block to move.

9. The cell winding device according to claim 7, wherein the glue preparation structure comprises a glue preparation base, a glue preparation movable seat, a glue preparation roller, an auxiliary glue preparation roller, a glue preparation cylinder, and a glue preparation guide rail, the glue preparation guide rail is disposed on the glue application movable plate, the glue preparation roller and the auxiliary glue preparation roller are rotatably disposed on the glue preparation movable seat, the glue preparation base is connected with the glue preparation movable seat, and the glue preparation cylinder drives the glue preparation base to move along the glue preparation guide rail.

10. The cell winding apparatus according to claim 6, wherein the clamping assembly includes a clamping plate, a clamping cylinder, a clamping motor, and two clamping jaws, the clamping cylinder is disposed on the base plate, the clamping motor is disposed on the clamping plate, the clamping cylinder drives the clamping plate to move relative to the base plate, and the clamping motor drives the two clamping jaws to move toward or away from each other.