WO2019227739A1

WO2019227739A1 - Winding process for achieving zero-speed punching and automatic adhesion of lithium battery pole piece

Info

Publication number: WO2019227739A1
Application number: PCT/CN2018/103472
Authority: WO
Inventors: 贺四清; 唐存福; 张启辉
Original assignee: 深圳市赢合科技股份有限公司
Priority date: 2018-05-28
Filing date: 2018-08-31
Publication date: 2019-12-05
Also published as: CN108675039A; CN108675039B

Abstract

A winding process for achieving zero-speed punching and automatic adhesion of a lithium battery pole piece, comprising the following steps: 1) when winding is completed and a roll needs to be changed, a zero-speed punching and labeling device (1) punching a hole onto a lithium battery pole piece in motion and attaching a label near the punched hole; 2) when it is detected that the attached label reaches a positioning and cutting device (2), a cutter of the positioning and cutting device (2) cutting the lithium battery pole piece from a back surface of the punched hole to complete roll changing; 4) when an automatic attaching double-sided adhesive device (4) detects the label at a cut-off portion of the lithium battery pole piece, the automatic attaching double-sided adhesive device (4) attaching a double-sided adhesive at the punched hole to complete winding. The described winding process may regulate the adhesion force between the tail end of a roll material and a previous layer of the roll material by means of increasing the number of small holes or the size of the aperture.

Description

Winding process for achieving zero-speed drilling and automatic gluing of lithium battery pole pieces

Technical field

The invention relates to the technical field of lithium battery pole piece rewinding, in particular to a winding process for realizing zero-speed drilling and automatic sticking of lithium battery pole pieces.

Background technique

As the humidity requirements for the production environment of lithium-ion batteries are becoming more and more stringent, the influence of operators on the humidity of the production environment should be avoided as much as possible during the production of lithium-ion batteries. Achieve unmanned operation. In order to prevent the coil from loosening, the end of the coil must be pasted with a stopper at the end of the coil winding.

At present, there are two ways to apply termination glue: one is to apply single-sided adhesive tape, which is affixed to the end of the roll and the surface of the layer above the roll, which cannot meet the following requirements. Automatic unwinding of the process; the second is to apply double-sided tape, which is affixed to the end of the coil, but not at the same time on the surface of the layer to which it belongs. A little dot-shaped double-sided adhesive is manually pasted between the end and the previous layer. Although this method of pasting can meet the automatic unwinding of the next process, the process of pasting the end of the adhesive cannot realize the automatic mode.

Therefore, it is of great significance to research and develop the rewinding process that can ensure that the coil ends are not loose, and can also ensure the automatic unwinding of the next process.

Summary of the Invention

An object of the present invention is to provide a winding process for realizing zero-speed drilling and automatic sticking of lithium battery pole pieces in view of the shortcomings of the prior art. This winding process cleverly uses small holes to stick double-sided adhesive on the surface of the previous layer of the roll, and at the same time, it can adjust the number of holes or the size of the hole between the end of the roll and the previous layer of the roll. The adhesive force can not only ensure that the end of the rolled material is not loose, but also ensure the automatic unwinding of the next process.

The object of the present invention is achieved by the following technical solutions.

A winding process for realizing zero-speed drilling and automatic gluing of lithium battery pole pieces includes the following steps:

(1) Pass the lithium battery pole piece through the zero-speed punching and labeling device and the positioning and cutting device in order, and rewind it on the rewinding device that automatically changes the volume;

(2) When the rewinding is completed and it is necessary to change the roll, the zero-speed punching labeling device punches holes on the moving lithium battery pole and labels it near the punching point; at this time, the positioning and cutting device starts detecting and positioning. The label near the hole where the lithium battery pole piece is moving, while positioning the tracking roller of the cutting device to the new winding roll replaced by the automatic winding changing device;

(3) When the positioning and cutting device detects and locates the tag near the hole of the moving lithium battery pole piece and reaches the tracking roller of the positioning and cutting device, the tracking roller of the positioning and cutting device is replaced by the winding device of the automatic roll changing device. When the new take-up reel is in contact, at the same time, the cutter of the cutting device is positioned to cut the lithium battery pole piece from the back of the hole to complete the roll change;

(4) The cut off lithium battery pole pieces with labels and holes continue to be wound on the original reel, and the lithium battery poles are detected by an automatic double-sided adhesive device set on the side of the winding device for automatic roll change. After the label at the cut-off point of the sheet, the double-sided adhesive tape device is automatically applied to the double-sided adhesive tape to complete the rewinding.

Preferably, the zero-speed punching and labeling device is a device including an online zero-speed punching machine and an automatic labeling machine, wherein the punching component of the online zero-speed punching machine and the labeling component of the automatic labeling machine are along The lithium battery pole pieces are horizontally juxtaposed, that is, the labeling position and the punched position on the lithium battery pole pieces are juxtaposed horizontally.

More preferably, the on-line zero-speed punch is provided with floating rollers on the input and output electrode sides, respectively, and the floating rollers on the input and output roller sides are provided separately. It lies on a linear track, and the floating roller on the side of the input pole and the floating roller on the side of the exit pole are fixed by a timing belt with a slider, and the timing belt with the slider is driven by a timing belt driving wheel and a timing belt. The driving wheel drives the operation; during the timing belt operation, the floating rollers on the side of the incoming pole piece and the floating rollers on the side of the outgoing pole piece are driven in opposite directions.

More preferably, when the zero-speed punching and labeling device punches and labels the moving lithium battery pole pieces, the movement direction of the floating roller on the input pole side of the online zero-speed hole punching machine and the lithium battery pole pieces enter and advance. The running direction of the floating rollers on the pole piece side is the same, and the entered lithium battery pole pieces are stored; while the movement direction of the floating rollers on the pole piece side of the online zero-speed punch is floating with the lithium battery pole pieces entering the pole piece side. The running direction of the passing roller is reversed, and the output lithium battery pole piece is released, so that the movement speed of the lithium battery pole piece at the punching label is kept at zero, and the movement speed of the lithium battery pole piece in the entire process remains unchanged.

Preferably, the number of perforations is more than one, and is set according to actual needs.

Preferably, the positioning and cutting device includes a positioning tracker and an automatic cutting machine; the positioning tracker has a program for identifying and positioning a label attached to the zero-speed punching and labeling device near the punching position of the lithium battery pole piece; the The positioning tracker is set on the cutter assembly of the automatic cutting machine.

Preferably, a floating roller is provided on the side of the pole piece of the positioning and cutting device, and the floating roller is provided on a linear track, and the floating roller is fixed by a timing belt with a slider, and the timing belt with a slider Driven by a timing belt driving wheel and a timing belt driven wheel.

More preferably, when the speed at which the lithium battery pole piece enters the positioning and cutting device does not match the winding speed of the rewinding device of the automatic roll changing device, balance adjustment is performed by floating the rollers on the side of the input pole piece of the positioning and cutting device; When the speed of the wafer entering the positioning and cutting device is higher than the winding speed of the automatic rewinding and winding device, the floating roller on the input side of the positioning and cutting device is driven by the synchronous belt through the same direction as that of the lithium battery. Movement, storing the entered lithium battery pole pieces, reducing the speed at which the lithium battery pole pieces enter the positioning and cutting device; when the speed of the lithium battery pole pieces entering the positioning and cutting device is less than the winding speed of the automatic winding rewinding device, the positioning and cutting The floating roller on the input pole side of the device moves in the opposite direction to the lithium battery pole piece through the transmission of the synchronous belt, releases the entered lithium battery pole piece, and improves the winding of the lithium battery pole piece into the automatic roll change. The speed of the device.

Preferably, when the rewinding device for automatic rewinding is replaced with a new rewinding drum or when the rolled-up coiled material is removed, it is transported and placed by an AGV trolley to realize complete automation and de-manufacturing of the process.

Preferably, the automatic double-sided adhesive labeling device includes an automatic double-sided adhesive labeling machine and a positioning tracker provided on the automatic double-sided adhesive labeling machine; the positioning tracker has a function of identifying and positioning a zero-speed punching and labeling device attached to Procedure for labeling near the hole of lithium battery pole piece.

Double-sided tape is affixed to the punched holes, so that the double-sided tape is pasted on the surface of the previous layer of the roll through the hole, and the other side of the double-sided tape is used for subsequent automatic unrolling of the tape.

Preferably, the zero-speed punching and labeling device, the positioning and cutting device, the rewinding device for automatic roll change, and the automatic double-sided adhesive labeling device are all controlled by an automatic control system.

More preferably, the automatic control system includes a rewinding diameter and a rewinding device including a rewinding device for controlling automatic rewinding, a zero-speed punching and labeling device for punching and labeling, and a positioning and cutting device for positioning and tracking labels and cutting. Lithium battery pole piece, control the positioning and cutting device tracking roller positioning and tracking rewinding roll, control the automatic rewinding and rewinding device rewinding device control, and control the automatic double-sided adhesive device positioning tracking label and adhesive communication procedures.

The above-mentioned winding process for realizing zero-speed drilling and automatic gluing of lithium battery pole pieces is applicable to winding of different lithium battery pole pieces or foils, and is applicable to coils of different diameters.

Compared with the prior art, the present invention has the following advantages and beneficial effects:

(1) The rewinding process of the present invention realizes zero-speed punching and labeling during the rewinding process, and the speed of the pole piece can be adjusted by the balance of the floating roller in the positioning and cutting device, which does not cause stagnation or jamming of the rewinding speed. The impact will help ensure the normal operation of the rewinding work;

(2) The rewinding process of the present invention is easy to tunnel the industrial line of lithium battery pole pieces to control environmental parameters and reduce the impact of environmental changes on the product;

(3) The winding process of the present invention realizes the unmanned and automated coil winding and circulation, realizes no manual intervention, and improves production efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS

1 is a cross-sectional view of a lithium battery pole piece passing through a positioning and cutting device in Embodiment 1;

2a is a cross-sectional view of a lithium battery pole piece passing through an online zero-speed punching machine in a zero-speed punching and labeling device in Embodiment 2;

2b is a side view of the zero-speed punching machine of the lithium battery pole piece passing through the zero-speed punching and labeling device in Embodiment 2;

3a is a perspective view of a chuck of a rewinding device for automatic rewinding used in Embodiment 3;

3b is a right side view of the chuck of the rewinding device of the automatic roll change used in Embodiment 4;

3c is a cross-sectional view taken along the D-D direction in FIG. 3b;

4a is a front view of a double-sided tape passing through an automatic double-sided tape sticking device in Embodiment 4;

4b is a rear view of the automatic double-sided adhesive device used in Embodiment 4;

4c is a cross-sectional view of an unwinding assembly of an automatic double-sided adhesive device used in Embodiment 4;

4d is a cross-sectional view of a rewinding assembly of an automatic double-sided adhesive device used in Embodiment 4;

4e is a front view of a transmission and cutter system of an automatic double-sided adhesive device used in Embodiment 4;

4f is a rear view of the transmission and cutter system of the automatic double-sided adhesive device used in Embodiment 4;

4g is a sectional view of the structure along the A-A direction in FIG. 4e;

4h is a transverse cross-sectional view of an automatic double-sided adhesive device used in Embodiment 4;

FIG. 5 is a schematic flowchart of a rewinding process that implements zero-speed drilling and automatic sticking of lithium battery pole pieces in Embodiment 5. FIG.

Detailed ways

The technical solutions of the present invention are described in further detail below with reference to specific embodiments and drawings, but the protection scope and implementations of the present invention are not limited thereto.

Example 1

A rewinding process for zero-speed drilling and automatic gluing of lithium battery pole pieces is shown in Figure 1. The specific steps are as follows:

(1) Pass the lithium battery pole piece through the zero-speed punching and labeling device 1 and the positioning and cutting device 2 in order, and wind it up on the winding device 3 for automatic roll changing;

The zero-speed punching and labeling device 1 is a device including an online zero-speed punching machine and an automatic labeling machine, wherein the punching component of the online zero-speed punching machine and the labeling component of the automatic labeling machine are along the lithium battery pole piece. Horizontal juxtaposition, that is, the labeling position and punch position on the lithium battery pole piece are juxtaposed horizontally; among them, the floating zero roller and the inlet pole piece side of the online zero-speed punch are respectively provided with the floating rollers and the inlet pole piece side. The floating rollers and the floating rollers on the pole piece side are respectively located on linear tracks, and the floating rollers on the pole piece side and the floating rollers on the pole piece side are fixed by a timing belt with a slider. The timing belt with the slider is driven by the timing belt driving wheel and the timing belt driven wheel; during the timing belt operation, the floating roller on the input side and the floating roller on the output side are driven in opposite directions. ;

Zero-speed punching and labeling device 1 When punching and labeling a moving lithium battery pole piece, the movement direction of the floating roller on the input piece side of the online zero-speed punch machine and the lithium battery pole piece enter the input piece side The running direction of the floating roller is the same, and the entered lithium battery pole pieces are stored; while the movement direction of the floating roller on the outlet piece side of the online zero-speed punch is the same as that of the lithium battery pole piece entering the floating piece side on the outlet piece side. Run in the opposite direction, release the output lithium battery pole pieces, so that the movement speed of the lithium battery pole pieces at the punching label is kept at zero, and the movement speed of the lithium battery pole pieces in the entire process remains unchanged;

The positioning and cutting device 2 includes a positioning tracker and an automatic cutting machine; the positioning tracker has a program for identifying and positioning a label attached to a zero-speed punching labeling device near a hole of a lithium battery pole piece; the positioning tracker is provided on the automatic cutting machine On the cutter assembly 22;

A floating passing roller 20 is provided on the side of the input pole piece of the positioning and cutting device 2. The floating passing roller 20 is provided on a linear track, and the floating passing roller 20 is fixed by a timing belt with a slider, and the timing belt with the slider passes Timing belt driving wheel and timing belt driven wheel drive the operation; when the speed of the lithium battery pole pieces entering the positioning and cutting device does not match the winding speed of the automatic winding rewinding device, the rollers on the side of the positioning and cutting device float over the rollers. Perform balance adjustment; when the speed of the lithium battery pole pieces entering the positioning and cutting device is higher than the winding speed of the automatic rewinding and winding device, the floating roller on the side of the input piece of the positioning and cutting device 2 is driven by the timing belt to communicate with lithium. The movement of the battery pole pieces in the same running direction will store the entered lithium battery pole pieces and reduce the speed of the lithium battery pole pieces entering the positioning and cutting device; when the speed of the lithium battery pole pieces entering the positioning and cutting device 2 is less than the automatic roll change At the winding speed of the winding device, the floating roller on the input side of the positioning and cutting device is driven by a timing belt to perform a movement opposite to the direction in which the lithium battery poles enter the running direction. The released lithium battery pole pieces are released, increasing the speed of the lithium battery pole pieces entering the rewinding device for automatic roll changing;

(2) When the rewinding is completed and it is necessary to change the roll, the zero-speed punching labeling device 1 punches holes on the moving lithium battery pole pieces and attaches labels near the punched holes. The number of punched holes is 1, and the labels are labeled. At this time, the positioning and cutting device 2 starts to detect and locate the tag near the hole where the lithium battery pole piece is punched, and at the same time, it locates the cutting roller of the cutting device 2 and replaces it with the new winding device 3 of the automatic winding changing device 3. Roll close

Automatic rewinding rewinding device 3 When replacing the new rewinding drum or removing the rolled coil, it is transported and placed by the AGV trolley to achieve complete automation and de-manualization of the process;

(3) When the positioning and cutting device 2 detects and locates the label near the hole of the moving lithium battery pole piece and reaches the tracking roller of the positioning and cutting device 2, the tracking roller of the positioning and cutting device 2 winds up to the automatic roll change. The new take-up drum of the device replacement is in contact, and the cutter of the cutting device 2 is positioned to cut the lithium battery pole piece from the back of the hole to complete the roll change;

(4) The cut off lithium battery pole pieces with labels and holes continue to be wound on the original winding drum, and lithium is detected by the automatic double-sided adhesive device 4 provided on the side of the winding device 3 for automatic roll change. After the label at the cut-off point of the battery pole piece, the double-sided tape device 4 is automatically affixed with double-sided tape at the punched hole to complete the winding.

The automatic double-sided adhesive labeling device 4 includes an automatic double-sided adhesive labeling machine and a positioning tracker provided on the automatic double-sided adhesive labeling machine; the positioning tracker has identification and positioning of a zero-speed punching labeling device attached to a lithium battery pole piece for punching Procedures for labeling nearby;

The zero-speed punching and labeling device 1, positioning and cutting device 2, automatic rewinding and rewinding device 3, and automatic double-sided adhesive rewinding device 4 are controlled by an automatic control system; the automatic control system includes a control including automatic rewinding and rewinding. Rolling device winding diameter and roll changing, controlling zero-speed punching and labeling device punching and labeling, controlling positioning and cutting device positioning and tracking labels and cutting lithium battery pole pieces, controlling positioning and cutting device, tracking roller positioning, tracking and winding rollers, controlling automatic Rewinding and rewinding device for rewinding and controlling the automatic communication process for positioning and tracking labels and sticking of double-sided adhesive device.

Example 2

The same as in embodiment 1, the zero-speed punching and labeling device 1 used therein is a device including an on-line zero-speed punching machine and an automatic labeling machine, wherein the punching assembly and the automatic labeling machine of the on-line zero-speed punching machine The labeling components are juxtaposed along the lithium battery pole piece, that is, the labeling position and the punching position on the lithium battery pole piece are horizontally juxtaposed;

Specifically, the lithium battery pole piece passes through the on-line zero-speed punching and labeling device 1 in a sectional view and a side view of the zero-speed punching and labeling device 1 as shown in FIG. 2a and FIG. 2b, respectively; The zero-speed punching machine includes a machine base 15 and a machine body 16, and the machine body 16 is disposed on the machine base 15; the machine body 16 includes a fixed roller set 11 on the belt side, a fixed roller set 12 on the belt side, a floating roller assembly 13 and a punch Hole assembly 14; fixed-roller group 11 on the incoming side and fixed-roller group 12 on the outgoing side are provided above the floating-roller assembly 13, fixed-roller group 11 on the incoming side and fixed-roller group 12 on the outgoing side On both sides of the punching assembly 14, a floating roller assembly 13 is disposed directly below the punching assembly 14, and along the side view direction, the fixed roller group 11 on the incoming side and the fixed roller group 12 on the outgoing side are floated. The connection between the roller assembly 13 and the punching assembly 14 is horizontally symmetrically distributed. The floating roller assembly 13 includes a floating roller 131 on the belt side, a timing belt group 132, a first slider group 133, and a floating roller on the belt side. 134. First linear guide group 135, second linear guide group 136, timing belt driving wheel 137, second slider group 138, and timing belt The moving wheel 139; the floating roller 131 on the feeding side is located on the feeding side, and the floating roller 134 on the feeding side is on the discharging side; the floating roller 131 on the feeding side is parallel to the floating roller 134 on the output side; the timing belt group 132 includes The two timing belts are distributed on both ends of the floating roller 131 on the feeding side; the first slider group 133 and the second slider group 138 each include two sliders on both ends of the floating roller 131 on the feeding side. Block; the first linear guide group 135 and the second linear guide group 136 each include two linear guides respectively distributed on both ends of the floating side roller 131 on the feeding side; On the two guide rails of the first linear guide rail group 135, the two ends of the floating roller 134 on the exit side are respectively disposed on the two guide rails of the second linear guide rail group 136; On the side, the floating-on roller 131 and the floating-on roller 134 on the output side are fixed to the timing belt of the timing belt group 132 through the sliders of the first slider group 133 and the second slider group 138, respectively. One end of the 132 timing belt is wound on the timing belt driving wheel 137, and the other end is wound on the timing belt driven wheel 139 Along the advancement direction of the strip, the belt-feed-side fixed roller group 11 includes a belt-feed first fixed roller 111, a belt-feed second fixed roller 112, a belt-feed third fixed roller 113, and a belt-feed side in this order. The fourth fixed passing roller 114; the inner common tangent of the exit end of the first fixed passing roller 111 on the feeding side and the feeding end of the floating passing roller 131 on the feeding side is parallel to the slider on the first linear guide group 135 Movement direction; the second fixed passing roller 112 on the feeding side is disposed directly above the first linear guide group 135, and the feeding end of the second fixed passing roller 112 on the feeding side and the exit of the floating passing roller 131 on the feeding side The outer male tangent line of the end is parallel to the moving direction of the slider on the first linear guide group 135; the tape feeding end of the third fixed passing roller 113 on the feeding side and the tape sending end of the second fixed passing roller 112 on the feeding side are horizontal. Cut out, the tape end of the third fixed pass roller 113 on the feed side is on the same vertical plane as the tape end of the fourth fixed pass roller 114 on the feed side, and the tape end of the fourth fixed pass roller 114 on the feed side At the same horizontal plane as the punching position of the punching assembly 14;

A tape pressing lever 115 is also provided at the tape output end of the second fixed roller 112 on the input side; along the direction of the strip, the fixed roller group 12 on the output side includes the first fixed roller 121 on the output side and the belt in order. The second fixed pass roller 122 on the side, the third fixed pass roller 123 on the output side, and the fourth fixed pass roller 124 on the output side; the feeding end of the first fixed pass roller 121 on the output side and the punching position of the punching assembly 14 In the same horizontal plane, the tape-out end of the first fixed-pass roller 121 on the tape-out side and the tape-in end of the second fixed-pass roller 122 on the tape-out side are on the same vertical plane, and the tape-out end of the second fixed-pass roller 122 on the tape-out side Cut out in a horizontal direction with the feeding end of the third fixed roller 123 on the output side; the third fixed roller 123 on the output side is disposed directly above the second linear guide group 136, and the third fixed roller on the output side The outer tangent of the tape exit end of 123 and the tape entrance end of the floating side roller 134 on the tape exit side is parallel to the movement direction of the slider on the second linear guide group 136; the tape entrance end of the fourth fixed side roller 124 on the tape exit side The inner common tangent line with the tape-out end of the tape-out floating roller 134 is parallel to the moving direction of the slider on the second linear guide group 136.

Example 3

The same as in Embodiment 1, wherein the chuck on the rewinding device 3 for automatic roll change is a double-acting pneumatic mechanical chuck;

Specifically, a perspective view and a right side view of the double-acting pneumatic mechanical chuck are shown in FIG. 3a and FIG. 3b, respectively, wherein a cross-sectional view along the DD direction in FIG. 3b is shown in FIG. 3c; A gas joint 31, a mandrel 32, a first chamber 33, a piston assembly 34, an inclined block 35, a second chamber 36, a second gas joint 37, a cylinder 38, and a collet body 39; the first gas joint 31 is provided At one end of the mandrel 32, and the first air joint 31 communicates with the first chamber 33 provided at the other end of the mandrel 32 through the first vent hole 321 inside the mandrel 32; the piston assembly 34 includes a piston pusher 341 and Piston pusher 342; Piston pusher 341 is a second-order round table, with a first-order round table near the mandrel 32 as the lower round table, the diameter of the upper round table is smaller than the diameter of the lower round table; and the bottom of the lower round table of the piston push table 341 is close to the mandrel. The part 32 is hollowed out, and the hollowed part forms the first cavity 33 with the end of the mandrel 32 far from the first air joint 31; a cushion pad 322 is provided at the contact between the mandrel 32 and the lower round table of the piston pushing table 341; the piston The push head 342 fixes the inclined block 35 on the top of the upper round table of the piston push table 341; the cylinder block 38 is cored The end of 32 that is far from the first air joint 31 is wrapped by an edge extension, and the edge extension of the end of the mandrel 32 that is far from the first air joint 31 is fixedly connected with the chuck body 39 by a screw; the cylinder 38 and the chuck body 39 Internal communication, and the inner diameter of the cylinder 38 is larger than the inner diameter of the chuck body 39;

The piston assembly 34 is disposed inside the communication between the cylinder body 38 and the chuck body 39. The movable range of the lower circular table of the piston push table 341 is the inside of the cylinder 38, and the movable range of the upper circular table of the piston push table 341 is the inside of the chuck body 39 and The cylinder 38 is close to the internal space of the chuck body 39; wherein the diameter of the lower circular table of the piston pushing table 341 is smaller than the inner diameter of the cylinder 38, and the diameter of the upper circular table of the piston pushing table 341 is smaller than the inner diameter of the chuck body 39; A compression-type piston ring 343 is installed on the side of the lower circular table of 341. The compression-type piston ring 343 is in close contact with the inner wall of the cylinder block 38 for hermetically isolating the first chamber 33 and the second chamber 36; A fixed air ring 390 is provided on the inner wall of the internal communication cylinder block 38. The air ring 390 is in close contact with the side of the upper circular table of the piston pushing table 341, and hermetically isolates the interior of the second chamber 36 and the chuck body 39; A first seal ring 381 and a second seal ring 382 are provided at the connection between 38 and the edge extension of the mandrel 32 and between the chuck body 39 and the edge extension of the mandrel 32; the chuck body 39 is nested There are oblique block claws 391, and oblique block claws 391 and oblique The block 35 is an integrated structure; a rubber block 392 is installed on the outside of the inclined block claw 391 for flexible contact with the barrel; the outside of the chuck body 39 near the connection with the edge extension of the core shaft 32 is a cone-shaped, Centering cone table 310; the top of the lower circular table of the piston pushing table 341, the side of the upper circular table, the space enclosed by the inner wall of the cylinder 38 and the collet body 39 forms a second chamber 36; the second chamber 36 passes through the second The vent hole 361 is in communication with the second air joint 37; the second vent hole 361 is provided in the edge extension of the core shaft 32, and an air outlet connected with the second air joint 37 is opened on the side of the edge extension of the core shaft 32; The second air joint 37 is docked with the air inlet through the fastener 311, and a third sealing ring 371 is installed at the docking place.

Example 4

It is the same as Embodiment 1, in which the front view and the rear view of the automatic double-sided adhesive device 4 are shown in FIGS. 4a and 4b, respectively. The automatic double-sided adhesive device includes an unwinding component 41, a winding component 42, Transmission and cutter system 43, torque output power system 44, and aluminum alloy riser 45;

The unwinding assembly 41 includes a unwinding chuck 411, a unwinding disk 412, a unwinding bearing seat 413, a damping ring 414, a friction ring 415, a compression spring 416, an adjusting nut 417, and a unwinding shaft 418. As shown in Fig. 4c, the unwinding bearing seat 413 penetrates and is fixedly mounted on the aluminum alloy riser 45; the unwinding shaft 418 passes through the unwinding bearing seat 413 and is coaxially installed in the unwinding bearing seat 413; In the front direction of the plate 45, the unwinding disk 412 and the unwinding chuck 411 are sequentially installed on the protruding end of the unwinding shaft 418 on the front surface of the aluminum alloy riser 45; the first spring expanding block is nested in the unwinding chuck 411 4101; away from the rear surface of the aluminum alloy riser 45, the friction ring 415, the compression spring 416, and the adjusting nut 417 are sequentially installed on the protruding end of the unwinding shaft 418 on the back of the aluminum alloy riser 45; the damping ring 414 is installed on the friction Between the ring 415 and the aluminum alloy vertical plate 45; the compression spring 416 is compressed between the friction ring 415 and the adjusting nut 417; the adjusting nut 417 is on the protruding end of the aluminum alloy vertical plate 45 through the unwinding shaft 418 Mounted to match the thread, and screwed through the unwinding shaft 418 Adjust the telescopic state of the compression spring 416;

The winding assembly 42 includes a winding chuck 421, a winding disc 422, a winding bearing seat 423, a first pulley 424, and a winding shaft 425. A cross-sectional view of the winding assembly is shown in FIG. 4d; Fixedly mounted on the aluminum alloy vertical plate 45; the winding shaft 425 passes through the rolling bearing seat 423 and is coaxially installed in the rolling bearing seat 423; from the front direction away from the aluminum alloy rising plate 45, the winding disk 422 and the winding The winding chuck 421 is sequentially installed on the protruding end of the winding shaft 425 on the front surface of the aluminum alloy riser 45; the first pulley 424 is installed on the protruding end of the winding shaft 425 on the back of the aluminum alloy riser 45; the winding clip A second spring expanding block 4201 is nested on the head 421;

The transmission and cutter system 43 includes a transmission assembly 46, a cutter assembly 47, a first tie bar 48, a second tie bar 49, and an applicator roller cylinder 410. The front and rear views of the transmission and knife system are shown in Figs. 4e and 4e, respectively. FIG. 4f shows a cross-sectional view of the structure along the AA direction in FIG. 4e. FIG. The pulley 466; the transmission bearing seat 462 penetrates and is fixedly mounted on the aluminum alloy stand plate 45; the shaft portion of the main transmission roller 461 passes through and is installed in the transmission bearing seat 462, and the roller portion protrudes from the front surface of the aluminum alloy stand plate 45; Close to the back of the aluminum alloy riser 45, one end of the first tie rod 48 and the sun gear 463 are sequentially installed on the end of the bearing seat 462 protruding from the back of the aluminum alloy riser 45; Direction, the first gear 464, the transmission wheel 465, and the second pulley 466 are sequentially installed on the protruding end of the shaft of the main transmission roller 461 on the back of the aluminum alloy riser 45, and the first gear 464 is close to the protrusion of the bearing seat 462 The end of the back of the aluminum alloy riser 45; On the shaft portion of the main transmission roller 461 between the first gear 464 and the transmission wheel 465; the cutter assembly 47 is provided on the outer side of the aluminum alloy riser 45; the cutter assembly 47 includes an adhesive roller 471, a cutter 472, a cutter The knife fixing ring 473, the knife lift planetary gear 474 and the second gear 475; the shaft portion of the glue roller 471 passes through and is installed in the shaft core of the knife lift planetary gear 474, and the roller portion is located on the front side of the aluminum alloy riser 45, The unwinding diameter of the unwinding assembly 41 is larger than the diameter of the adhesive roller 471; the gear portion of the lifter planetary gear 474 is located on the back side of the aluminum alloy vertical plate 45; The end of the shaft is close to the direction of the gear portion of the planetary gear 474. The other end of the second tie bar 49, the other end of the first tie bar 48, and the second gear 475 are sequentially installed on the shaft portion of the applicator roller 471. ; The shaft core portions of the knife lift planetary gear 474 extend along both sides, and extend along the back side of the aluminum alloy riser 45 across the aluminum alloy riser 45 to the front side of the aluminum alloy riser 45, and away from the aluminum alloy riser. The back direction of 45 extends to the other end of the first tie bar 48 and The end is fixedly connected; the cutter 472 is externally disposed on the roller portion of the gluing roller 471, and is fixed by the cutter fixing ring 473, which is fixed on the raising planetary gear 474 and extends to the aluminum alloy stand 45 On the front side of the shaft core portion; wherein the two ends of the first tie rod 48 are respectively installed on the shaft of the bearing seat 462 and the glue roller 471 are movable installation, and the two ends of the second tie rod 49 are respectively The installation of the shaft portion of the main drive roller 461 and the shaft portion of the applicator roller 471 is a movable installation. The connection of the first tie rod 48 to the output shaft of the applicator roller cylinder 410 is a movable connection; the roller end of the main drive roller 461 And the roller end of the applicator roller 471 are connected by a connecting rod 476; a planetary gear set 431 is provided between the first gear 464 and the second gear 475 to indirectly mesh the first gear 464 and the second gear 475, and the planetary gear Group 431 includes two planetary gears. The indirect gear reduction ratio of the first gear 464 and the second gear 475 is 41; the sun gear 463 and the gear portion of the lifter planet gear 474 are directly geared; the first tie rod 48 and The output shaft of the glue roller cylinder 410 is connected; the first pulley 424 is connected to the output shaft through a first timing belt 426 The transmission wheel 465 is drivingly connected; the reduction ratio of the first pulley 424 and the transmission wheel 465 is 41;

The torque output power system 44 is disposed on the back of the aluminum alloy riser 45, as shown in FIG. 4h; the output end of the torque output power system 44 is equipped with a timing pulley 441, and the timing pulley 441 is connected to the first timing belt 442 through the second timing belt 442. The two pulleys 466 are drivingly connected; the torque output power system 44 includes a servo motor; the output shaft of the servo motor transmits the output torque output power to the synchronous pulley 441 of the system output through a bevel gear 443;

At the same time, a pressing roller assembly 451 is also provided between the winding end of the main transmission roller 461 and the winding end of the winding chuck 421, and the pressing roller assembly 451 is installed on the aluminum alloy stand 45; the pressing roller assembly 451 includes a pressing roller 4511 and a cam handle 4513 drivingly connected to the pressure roller 4511 through the pressure roller shaft 4512; the cam handle 4513 rotates along the outer side of the aluminum alloy stand 45, and drives the pressure roller 4511 to the main output roller 461 through the pressure roller shaft 4512 Compression; by rotating the cam handle 4513 along the inner side of the aluminum alloy riser 45, the pressure roller 4511 is driven by the pressure roller shaft 4512 from the unwinding end of the main transmission roller 461;

A transition wheel 452 is further provided between the winding end of the main transmission roller 461 and the feeding end of the applicator roller 471; the transition wheel 452 is installed on the aluminum alloy stand 45.

Example 5

The same as Embodiment 1, except that the same zero-speed punching and labeling device 1 as in Embodiment 2 is used, the same automatic rewinding and winding device 3 as in Embodiment 3 is used, and the same as in Embodiment 4 is used The automatic sticking double-sided adhesive device 4 is shown in FIG. 5.

The above embodiments are only preferred embodiments of the present invention, and are only for further detailed description of the technical solutions of the present invention, but do not limit the protection scope of the present invention, and any changes, replacements or modifications made without departing from the spirit of the present invention All are included in the protection scope of the present invention.

Claims

A winding process for realizing zero-speed drilling and automatic gluing of lithium battery pole pieces is characterized in that it includes the following steps:

(1) Pass the lithium battery pole piece through the zero-speed punching and labeling device and the positioning and cutting device in order, and rewind it on the rewinding device that automatically changes the volume;

(2) When the rewinding is completed and it is necessary to change the roll, the zero-speed punching labeling device punches holes on the moving lithium battery pole and labels it near the punching point; at this time, the positioning and cutting device starts detecting and positioning. The label near the hole where the lithium battery pole piece is moving, while positioning the tracking roller of the cutting device to the new winding roll replaced by the automatic winding changing device;

(3) When the positioning and cutting device detects and locates the tag near the hole of the moving lithium battery pole piece and reaches the tracking roller of the positioning and cutting device, the tracking roller of the positioning and cutting device is replaced by the winding device of the automatic roll changing device. When the new take-up reel is in contact, at the same time, the cutter of the cutting device is positioned to cut the lithium battery pole piece from the back of the hole to complete the roll change;

(4) The cut off lithium battery pole pieces with labels and holes continue to be wound on the original reel, and the lithium battery poles are detected by an automatic double-sided adhesive device set on the side of the winding device for automatic roll change. After the label at the cut-off point of the sheet, the double-sided adhesive tape device is automatically applied to the double-sided adhesive tape to complete the rewinding.
The rewinding process according to claim 1, wherein the zero-speed punching and labeling device is a device including an online zero-speed punching machine and an automatic labeling machine, wherein The hole component and the labeling component of the automatic labeling machine are juxtaposed along the lithium battery pole piece, that is, the labeling position and the punching position on the lithium battery pole piece are juxtaposed horizontally.
The rewinding process according to claim 2, characterized in that, a floating passing roller is provided on each of the input pole piece side and the output pole piece side of the online zero-speed punch, and the floating passing roller and The floating rollers on the pole piece side are respectively arranged on linear tracks, and the floating rollers on the pole piece side and the floating rollers on the pole piece side are fixed by a timing belt with a slider. The timing belt is driven by a timing belt driving wheel and a timing belt driven wheel. During the timing belt operation, the floating rollers on the side of the input sheet and the floating rollers on the side of the output sheet are driven in opposite directions.
The rewinding process according to claim 3, characterized in that when the zero-speed punching and labeling device punches and labels the moving lithium battery pole pieces, the zero-speed hole punching machine's input pole side floats over. The movement direction of the roller is the same as the running direction of the lithium battery pole piece entering the floating pole side of the input pole side, and the stored lithium battery pole piece is stored; and the moving direction of the floating passage side of the output pole side of the online zero-speed puncher In contrast to the running direction of the lithium battery pole piece entering the floating roller on the output pole side, the output lithium battery pole piece is released, so that the movement speed of the lithium battery pole piece at the punching label is kept at zero, and the lithium battery pole piece is zero. The moving speed remains the same throughout the process.
The rewinding process according to claim 1, wherein the positioning and cutting device comprises a positioning tracker and an automatic cutting machine; the positioning tracker has a recognition and positioning zero-speed punching and labeling device attached to a lithium battery electrode The program of the label near the punch hole of the sheet; the positioning tracker is arranged on the cutter assembly of the automatic cutting machine.
The rewinding process according to claim 1, wherein a floating roller is provided on the side of the input pole of the positioning and cutting device, the floating roller is disposed on a linear track, and the floating roller passes through a roller with a slider. The timing belt is fixedly connected, and the timing belt with the slider is driven by the timing belt driving wheel and the timing belt driven wheel; when the speed of the lithium battery pole piece entering the positioning and cutting device does not match the winding speed of the automatic winding rewinding device , The balance adjustment is performed by floating over rollers on the pole piece side of the positioning and cutting device; when the speed of the lithium battery pole pieces entering the positioning and cutting device is greater than the winding speed of the rewinding device for automatic rewinding, the pole piece side of the positioning and cutting device The floating rollers are driven by the timing belt to move in the same direction as the lithium battery poles enter the running direction, store the entered lithium battery poles, and reduce the speed at which the lithium battery poles enter the positioning and cutting device; when the lithium battery poles enter When the speed of the positioning and cutting device is lower than the winding speed of the automatic rewinding and winding device, the floating roller on the side of the input pole of the positioning and cutting device is driven by the timing belt. Lithium pole piece opposite to the traversing direction of movement, the tab release into the lithium battery and improve lithium battery pole piece into the winder speed automatic roll change.
The rewinding process according to claim 1, wherein the automatic double-sided adhesive device includes an automatic double-sided adhesive machine and a positioning tracker provided on the automatic double-sided adhesive machine; the positioning tracker has A procedure for identifying and locating a label attached to a zero-speed punching labeling device near a punched position of a lithium battery pole piece.
The rewinding process according to any one of claims 1 to 7, wherein the zero-speed punching and labeling device, positioning and cutting device, automatic rewinding rewinding device, and automatic double-sided adhesive device pass Controlled by an automatic control system.
The rewinding process according to claim 8, wherein the automatic control system includes a rewinding diameter and a rewinding control including a rewinding device that controls automatic rewinding, and a zero-speed punching and labeling device for punching and pasting. Label, control positioning and cutting device positioning tracking label and cutting off lithium battery pole pieces, control positioning and cutting device tracking roller positioning and tracking rewinding roll, control automatic winding rewinding device rewinding device and control automatic double-sided adhesive device positioning tracking label and Unicom procedures for gluing.