CN117317143A - Three-station cutting and stacking integrated machine - Google Patents

Abstract

The utility model relates to the technical field of pole piece processing, in particular to a three-station cutting and stacking integrated machine, which comprises a slicing system and a lamination system, wherein the slicing system comprises a pole piece unreeling device, a belt conveying device and a laser cutting device, and the pole piece unreeling device is used for unreeling pole pieces; the belt conveying device is used for conveying the pole pieces; the laser cutting device is positioned at the front end of the belt conveying device, the lamination system comprises a diaphragm unreeling device, a lamination device and a blanking device, and the diaphragm unreeling device is used for unreeling a diaphragm; the lamination device comprises a lamination feeding mechanism, a diaphragm traction mechanism and a lamination base, wherein the lamination feeding mechanism slides between the belt conveying device and the lamination base, the diaphragm traction mechanism is connected with the diaphragm unreeling device, the diaphragm traction mechanism and the lamination feeding mechanism synchronously move, and the lamination base is used for placing the battery cell; the discharging device discharges the battery cell; the method has the advantage of improving the layout rationality of the pole piece processing procedure and the definition of the distribution of the functional modules.

Description

Three-station cutting and stacking integrated machine

Technical Field

The application relates to the technical field of pole piece processing, in particular to a three-station cutting and stacking integrated machine.

Background

The lithium ion battery has the advantages of high specific energy, a large number of times of recycling, long storage time and the like, and is widely applied to portable electronic equipment such as mobile phones, digital cameras and portable computers (consumer batteries), large and medium-sized electric equipment (power batteries) such as electric automobiles, electric bicycles, electric tools and the like, solar power generation equipment, wind power generation equipment and renewable energy storage energy sources (energy storage batteries).

The laminated battery is one of lithium batteries, has the advantages of high energy density, small internal resistance, good discharge platform, convenience in high-current quick charge and quick discharge, no dead angle and the like, and for the laminated battery, a plurality of pole pieces with lugs are required to be processed in advance, and the plurality of pole pieces are sequentially laminated to form the battery.

At present, the slicing procedure and the lamination procedure of the traditional pole piece are respectively required to be processed through a slicing machine and a lamination machine, and after the slicing procedure is finished, the pole piece is further required to be transferred to the lamination machine for lamination processing, so that the overall production line layout is unreasonable, and the corresponding functional modules are not clear enough.

Disclosure of Invention

In order to improve the layout rationality of pole piece processing procedure and the definition of function module distribution, the application provides a three-station cutting and stacking all-in-one machine.

The three-station cutting and stacking all-in-one machine provided by the application adopts the following technical scheme:

the three-station cutting and stacking integrated machine comprises a slicing system and a lamination system, wherein the lamination system is connected with the slicing system;

the slicing system comprises:

the pole piece unreeling device is used for unreeling the pole piece;

the belt conveying device is positioned at the rear end of the pole piece unreeling device and is used for conveying the pole pieces;

the laser cutting device is positioned at the front end of the belt conveying device, and faces to a pole piece entering the front end of the belt conveying device;

the lamination system includes:

the machine frame is correspondingly provided with a feed inlet, and the feed inlet is used for the belt conveying device to be connected in;

the diaphragm unreeling device is positioned above the rack and used for unreeling the diaphragm;

the lamination device comprises a lamination feeding mechanism, a diaphragm traction mechanism and a lamination base, wherein the lamination feeding mechanism slides between the belt conveying device and the lamination base, the diaphragm traction mechanism is connected with a diaphragm unreeling device, the diaphragm traction mechanism and the lamination feeding mechanism synchronously move, the lamination base is used for fixing the head end of a diaphragm, and the lamination base is used for placing a pole piece and the diaphragm;

And the discharging device is positioned at the rear end of the lamination device and is used for discharging the battery cells.

Through adopting above-mentioned technical scheme, the pole piece unreeling device unreels the pole piece of coil stock form, and when the pole piece unreels to belt conveyor's front end, cuts the strip pole piece that enters into belt conveyor front end through laser cutting device, and belt conveyor carries the pole piece that cuts to lamination system. Meanwhile, the diaphragm unreeling device is correspondingly used for unreeling the diaphragm, the head end of the diaphragm is locked to the lamination base, the corresponding feeding port in the frame is used for the belt conveying device to enter, when the pole piece on the belt conveying device moves to the tail end, the lamination feeding mechanism is correspondingly moved to the belt conveying device and used for grabbing the pole piece, the pole piece is conveyed to the upper portion of the lamination base and blanking is carried out, so that the pole piece is stacked on the diaphragm above the lamination base, the diaphragm unreeling device is enabled to unreel through traction cooperation of the diaphragm traction mechanism, Z-shaped lamination is achieved through cooperation of the lamination feeding mechanism, the diaphragm traction mechanism and the lamination base, the pole piece and the diaphragm are manufactured into a battery cell, and blanking is carried out through the blanking device. Therefore, the three-station cutting and stacking all-in-one machine is reasonable in design and layout, clear in functional module distribution, convenient to maintain and auxiliary material feeding, and meanwhile, the three-station cutting and stacking all-in-one machine does not need a die and a cutter and has the advantages of high precision, high efficiency and the like.

Preferably, the pole piece unreeling device comprises an unreeling mechanism, a strip receiving mechanism, a tension mechanism, a material storage mechanism, a process deviation correcting mechanism and a feeding mechanism, wherein the unreeling mechanism is provided with two groups, the unreeling mechanism is respectively used for unreeling old materials and new materials, the strip receiving mechanism is located above the unreeling mechanism, the strip receiving mechanism comprises a cutting platform, a new material pressing plate and an old material pressing plate, the new material pressing plate and the old material pressing plate are located on two sides of a working position of the cutting platform, the tension mechanism is located at the rear end of the strip receiving mechanism, the tension mechanism is used for adjusting the tension degree of a pole piece, the pole piece sequentially penetrates through the material storage mechanism, the process deviation correcting mechanism and the feeding mechanism, the material storage mechanism is used for realizing jumping feeding at a pole piece cutting position, the process deviation correcting mechanism is used for correcting the process of pole piece unreeling, and the feeding mechanism is used for accurately throwing the pole piece to the belt conveying device.

Through adopting above-mentioned technical scheme, unreeling mechanism accomplishes the blowing of coil stock, and the coil stock enters into tension mechanism, and tension mechanism provides stable tension for the pole piece blowing, simultaneously, the pole piece wears to locate in proper order storage mechanism the process rectifies the mechanism and feeding mechanism, the laser cutting device of storage mechanism cooperation rear end realizes pole piece cutting part jump type and feeds, in addition, unreels the in-process, and the process rectifies the pole piece, improves the pay-off progress of pole piece, and corresponding, the pole piece is finally sent into belt conveyor department by feeding mechanism, carries out laser cutting processing. In addition, after the winding material of the previous winding pole piece is unreeled, the connection between the new pole piece and the front pole piece is realized through the tape connecting mechanism, and the smoothness of tape connection is improved.

Preferably, the belt conveying device comprises a forward adsorption type belt mechanism, a pole piece pretreatment mechanism, a size detection mechanism, an electrostatic removing mechanism, a flip-chip adsorption type belt mechanism and a flaw detection mechanism, wherein the forward adsorption type belt mechanism is positioned on one side of the pole piece unreeling device, the pole piece pretreatment mechanism is positioned under the laser cutting device, the size detection mechanism is positioned in the middle section of the forward adsorption type belt mechanism, the size detection mechanism is used for detecting the cutting size of a pole piece, the electrostatic removing mechanism is positioned at the rear end of the size detection mechanism, the flip-chip adsorption type belt mechanism is positioned above the forward adsorption type belt mechanism, the starting end of the flip-chip adsorption type belt mechanism is connected with the tail end of the forward adsorption type belt mechanism, the flaw detection mechanism is provided with two groups, and the detection ends of the two groups of flaw detection mechanisms face the forward adsorption type belt mechanism and the flip-chip adsorption type belt mechanism respectively.

Through adopting above-mentioned technical scheme, after laser cutting device accomplished the cutting of pole piece, pole piece pretreatment mechanism carried out the preliminary treatment to the pole piece before stacking, simultaneously, positive dress absorption formula belt mechanism adsorbs and carries the pole piece, the pole piece is respectively through size detection mechanism and destatics mechanism to detect the cutting size of pole piece, eliminate static on the pole piece simultaneously, in addition, wherein a set of flaw detection mechanism detects the front of pole piece, under the linking of flip-chip absorption formula belt mechanism, the outside is arranged in to the reverse side of pole piece, detects the reverse side of pole piece through another group flaw detection mechanism.

Preferably, the laser cutting device comprises an infrared skin second laser, an optical path integrated box, a Z-axis focusing mechanism and a laser head, wherein the optical path integrated box is connected with the infrared skin second laser through an optical path, the Z-axis focusing mechanism is arranged below the optical path integrated box, the laser head is arranged on the Z-axis adjusting mechanism, and the laser head faces the belt conveying device vertically.

By adopting the technical scheme, the infrared skin second laser is used as a light source to be matched with the light path integrated box to generate high-precision laser, and then the laser is emitted by the laser head, so that the laser cutting of the pole piece is realized.

Preferably, the pole piece pretreatment mechanism comprises an air knife and a dust hood, a bearing plate which is horizontally arranged is connected between the belt conveying device and the pole piece unreeling device, a cutting channel is correspondingly arranged on the upper surface of the bearing plate, the cutting channel corresponds to the cutting station of the laser cutting device, the air knife and the dust hood are respectively positioned on two sides of the cutting channel, the air knife is used for heating the pole piece, the dust hood is externally connected with a wind power system, the air knife and the opposite side walls of the dust hood are all inclined planes, and the two inclined planes are upwards inclined towards the outer side of the cutting channel.

Through adopting above-mentioned technical scheme, the air knife heats the pole piece surface, reduces pole piece surface's cladding thing particle diameter for follow-up lamination in-process, the diaphragm cladding is more stable when the pole piece surface, improves the yields. In addition, when the laser cutting device cuts the pole piece on the cutting path, the generated fragments can splash to the two sides of the pole piece in an arc-shaped movement track, a fan-shaped area is formed between the two inclined planes, and the fan-shaped area is adapted to the splashing track of the fragments, so that the fragments can be more effectively blocked and received, and the fragments are pumped away through the dust hood.

Preferably, the frame comprises a marble substrate and a frame body, wherein the marble substrate is used for bearing the frame body, an air duct is formed in the marble substrate, and the air duct is used for a wind power system pipeline.

Through adopting above-mentioned technical scheme, marble base plate has the precision height as the part of equipment, and stability is good, simultaneously, adds the wind channel on marble base plate, and the integration of pipeline of being convenient for improves space utilization.

Preferably, the lamination device further comprises a positioning detection mechanism, the positioning detection mechanism comprises a CCD detection frame, an XYR platform and a placement platform, the CCD detection frame is arranged above the feeding mechanism, the diaphragm traction mechanism and the lamination base, the XYR platform is arranged between the belt conveying device and the lamination base, and the placement platform is fixed above the XYR platform.

Through adopting above-mentioned technical scheme, lamination feed mechanism places the pole piece that belt conveyor sent on place the platform, shoots through the CCD detection frame and gets the number and pass out the signal to make XYR platform acquire corresponding parameter, thereby control place the platform and remove, improve the material loading precision of pole piece.

Preferably, the lamination base comprises a lifting component, a lamination table, a diaphragm deviation correcting platform, a pressing knife and a translation lifting module, wherein the lamination table is horizontally installed on the lifting component, the lamination table is used for placing a lamination, the diaphragm deviation correcting platform is located on one side of the lamination table, the diaphragm deviation correcting platform is used for allowing a diaphragm to pass through, the pressing knife is located on one side of the lamination table, the pressing knife is used for pressing the diaphragm, the translation lifting module is installed on one side of the lifting component, and the translation lifting module is used for driving the pressing knife to move.

By adopting the technical scheme, a working platform is provided for the lamination action, and meanwhile, the membrane cutting and rectifying function is provided for rectifying and positioning the first layer of membrane and after the battery cell is stacked.

Preferably, the discharging device comprises a sliding table, a horizontal movement module, a vertical movement module and a battery cell clamping jaw, wherein the lamination base is vertical to the sliding table, the horizontal movement module is installed on the frame, the sliding table slides between the lamination station and the horizontal movement module, the vertical movement module is installed on the horizontal movement module, and the battery cell clamping jaw is installed on the vertical movement module.

Through adopting above-mentioned technical scheme, the slip table is sent out the lamination base to the frame outside, and vertical motion module control electricity core clamping jaw moves down, and electricity core clamping jaw snatchs the electric core, and rethread control horizontal motion module to drive electric core horizontal movement to the ejection of compact side, realize the ejection of compact.

Preferably, the discharging device further comprises a feeding track module and a clamping mechanism, the feeding track module is arranged along the length direction of the integrated machine, the feeding track module is connected with the next procedure, the clamping mechanism is arranged on the feeding track module, and the clamping mechanism is in butt joint with the battery cell clamping jaw.

Through adopting above-mentioned technical scheme, fixture butt joint electric core clamping jaw, after shifting the electric core, send out the electric core to next process by feeding track module.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the three-station cutting and stacking integrated machine has the advantages that the design and the layout of the whole machine are reasonable, the distribution of functional modules is clear, the maintenance and the auxiliary material feeding are convenient, meanwhile, the laser film making is adopted, a die and a cutter are not needed, and the machine has the advantages of high precision, high efficiency and the like;

2. the marble substrate is used as a part of equipment, has high precision and good stability, and meanwhile, the air duct is additionally arranged on the marble substrate, so that the integration of pipelines is facilitated, and the space utilization rate is improved;

3. The lamination feeding mechanism places the pole piece sent by the belt conveying device on the placement platform, and photographs and takes out the number through the CCD detection frame and transmits out signals so that the XYR platform obtains corresponding parameters, thereby controlling the placement platform to move and improving the feeding precision of the pole piece.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic diagram of the overall structure of the slicing system in the embodiment of the present application.

Fig. 3 is a schematic overall structure of a pole piece unreeling device in an embodiment of the present application.

Fig. 4 is a schematic diagram of the overall structure of the unreeling mechanism in the embodiment of the present application.

Fig. 5 is a schematic view of the overall structure of the tension mechanism in the embodiment of the present application.

Fig. 6 is a schematic diagram of the overall structure of the process deviation rectifying mechanism in the embodiment of the application.

Fig. 7 is a schematic diagram of the overall structure of the storage mechanism in the embodiment of the application.

Fig. 8 is a schematic diagram of the overall structure of the feeding mechanism in the embodiment of the application.

Fig. 9 is a schematic overall structure of the tape splicing mechanism in the embodiment of the present application.

Fig. 10 is a schematic view of the overall structure of the belt conveyor in the embodiment of the present application.

Fig. 11 is a diagram of the mating relationship of the carrier plate and pole piece pretreatment mechanism in an embodiment of the present application.

Fig. 12 is a schematic view of the overall structure of the laser cutting device in the embodiment of the present application.

Fig. 13 is a schematic diagram of the overall structure of the size detection mechanism in the embodiment of the present application.

Fig. 14 is a schematic view of the overall structure of the static electricity removing mechanism in the embodiment of the present application.

Fig. 15 is a schematic overall structure of the flaw detection mechanism according to the embodiment of the present application.

Fig. 16 is a schematic view of the overall structure of the lamination system in the embodiment of the present application.

Fig. 17 is a schematic view of a portion of the lamination system in an embodiment of the present application.

Fig. 18 is a schematic view of the overall structure of the separator unreeling device in the embodiment of the present application.

Fig. 19 is a diagram showing a matching relationship between the linear module and the lamination feeding mechanism and between the linear module and the CCD detection frame in the embodiment of the present application.

FIG. 20 is a schematic diagram of the overall structure of the XYR platform in an embodiment of the present application.

Fig. 21 is a schematic diagram showing the overall structure of a CCD detection frame in the embodiment of the present application.

Fig. 22 is a diagram of the mating relationship of the slide table and the lamination base in the embodiment of the application.

Fig. 23 is a schematic view showing the overall structure of the thermal cutter according to the embodiment of the present application.

Fig. 24 is a diagram showing the coordination relationship among the horizontal movement module, the vertical movement module and the cell clamping jaw in the embodiment of the application.

FIG. 25 is a diagram showing the matching relationship between the feeding rail module and the clamping module in the embodiment of the present application.

Reference numerals illustrate: 1. a slicing system; 11. a pole piece unreeling device; 111. an unreeling mechanism; 1111. a rolling force motor is put down; 1112. unreeling deviation correcting module; 1113. unreeling the inflatable shaft; 112. a tension mechanism; 1121. a first mounting frame; 1122. a low friction cylinder; 1123. an electronic ruler; 1124. swinging the tensioning roller; 113. a storage mechanism; 1131. a storage movement module; 1132. a storage roller; 114. a process deviation correcting mechanism; 1141. a deviation rectifying base; 1142. a deviation rectifying execution module; 1143. correcting the guide roller; 1144. a correction sensor; 115. a feeding mechanism; 1151. a second mounting frame; 1152. a feeding motor; 1153. a feed roller; 1154. a material pressing cylinder; 1155. a material pressing roller; 116. a tape splicing mechanism; 1161. cutting a platform; 1162. a new material pressing plate; 1163. old material pressing plates; 12. a belt conveyor; 121. a positive adsorption belt mechanism; 122. a pole piece pretreatment mechanism; 1221. an air knife; 1222. a dust hood; 123. a size detection mechanism; 124. a static electricity removing mechanism; 125. a flip-chip adsorption type belt mechanism; 126. a flaw detection mechanism; 127. a carrying plate; 1271. cutting the channel; 13. a laser cutting device; 131. an infrared sheath second laser; 132. an optical path integration box; 133. a Z-axis focusing mechanism; 134. a laser head; 2. a lamination system; 21. a frame; 211. a linear module; 22. a diaphragm unreeling device; 23. lamination device; 231. lamination feeding mechanism; 2311. a first manipulator; 2312. a second manipulator; 23121. a hot cutter module; 232. a positioning detection mechanism; 2321. a CCD detection frame; 2322. an XYR platform; 2323. placing a platform; 233. a diaphragm traction mechanism; 234. a lamination base; 2341. a base; 2342. stacking; 2343. an X/Y axis movement module; 2344. a pressing knife; 2345. a diaphragm deviation rectifying platform; 24. a blanking device; 241. a sliding table; 242. a horizontal movement module; 243. a vertical movement module; 244. a cell clamping jaw; 245. a feeding track module; 246. and a clamping mechanism.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-25.

The embodiment of the application discloses a three-station cutting and stacking all-in-one machine. Referring to fig. 1, the three-station cutting and stacking integrated machine comprises a slicing system 1 and a lamination system 2, wherein the slicing system 1 correspondingly cuts the positive pole piece and the negative pole piece, the lamination system 2 correspondingly is a three-station processing system, and three processing stations are consistent in structure and linearly process the battery cells. Correspondingly, the lamination system 2 is connected to the slicing system 1.

Referring to fig. 2, specifically, since the slicing system 1 needs to process the positive pole piece and the negative pole piece at the same time, the slicing system 1 is correspondingly provided with two groups, the two groups of slicing systems 1 are arranged in parallel, the slicing system 1 includes a pole piece unreeling device 11, a belt conveying device 12 and a laser cutting device 13, the pole piece unreeling device 11 is used for unreeling the pole piece, the belt conveying device 12 is located at the rear end of the pole piece unreeling device 11, the belt conveying device 12 is used for conveying the pole piece, the laser cutting device 13 is located at the front end of the belt conveying device 12, and the laser cutting device 13 faces the pole piece entering the front end of the belt conveying device 12.

Referring to fig. 3, the pole piece unreeling device 11 includes an unreeling mechanism 111, a tension mechanism 112, a storage mechanism 113, a process deviation rectifying mechanism 114, a feeding mechanism 115 and a tape receiving mechanism 116, wherein the mechanisms are mutually matched to realize accurate unreeling of pole pieces and improve the overall machining precision of the three-station cutting and stacking integrated machine in the application.

Referring to fig. 4, the unwinding mechanism 111 is correspondingly composed of an unwinding force motor 1111, an unwinding correcting module 1112 and an unwinding shaft 1113, the unwinding force motor 1111 is connected with the shaft through a pulley transmission mechanism, and the unwinding correcting device is located between the unwinding force motor 1111 and the unwinding shaft 1113, in this embodiment, the unwinding correcting module 1112 is a conventional coil stock detecting module. Wherein, unreeling power motor 1111 embeds has the encoder, has set up the inductor on unreeling physiosis axle 1113 corresponds, detects the change of pole piece material volume through the inductor, judges whether the pole piece is used up soon, when the material volume is used up, the machine sends alarm signal to shut down and control unreeling speed through encoder (potential). Meanwhile, a mechanical positioning and a sensor edge detection positioning are arranged on the unreeling air-expanding shaft 1113, so that the influence of position deviation caused by different material reeling differences is minimized.

Referring to fig. 5, further, after the pole piece is unreeled by the unreeled mechanism 111, the unreeled tension is adjusted by the tension mechanism 112, specifically, the tension mechanism 112 includes a first mounting frame 1121, a low friction cylinder 1122, an electronic ruler 1123 and a swinging tension roller 1124, the swinging tension roller 1124 is rotatably supported on the first mounting frame 1121, the low friction cylinder 1122 and the electronic ruler 1123 are mounted on one side of the first mounting frame 1121, the piston rod end of the low friction cylinder 1122 is hinged with the swinging tension roller 1124, and meanwhile, the sensing end of the electronic ruler 1123 is connected with the piston rod end of the low friction cylinder 1122. The pole piece is wound on the outer side of the swing tensioning roller 1124, and the low friction cylinder 1122 is driven to swing the swing tensioning roller 1124 so as to adjust the unreeling tension of the pole piece, and meanwhile, the electronic ruler 1123 senses the displacement state of the piston rod of the low friction cylinder 1122 so as to feed back and adjust the stroke of the piston rod of the low friction cylinder 1122.

In addition, a precise pressure regulating valve and an electric proportional valve are arranged on the low-friction cylinder 1122, and the air pressure is regulated by the precise pressure reducing valve, so that the air pressure at the air source end of the low-friction cylinder 1122 is kept stable. Meanwhile, the electric proportional valve controls tension by adjusting the air pressure through the proportional control of the voltage, and the tension can be set. Furthermore, the tension can be continuously adjusted, the constant tension unreeling closed-loop control of the pole piece is realized, the electric proportional valve is used for monitoring the real-time tension, and the corresponding tension range is adjustable within 5-150N.

Referring to fig. 6, at the same time, the pole piece enters the process deviation rectifying mechanism 114 after being adjusted by the tension mechanism 112, so as to realize deviation rectifying. Specifically, the process deviation correcting mechanism 114 is composed of a deviation correcting base 1141, a deviation correcting executing module 1142, a deviation correcting guide roller 1143 and a deviation correcting sensor 1144, the deviation correcting executing module 1142 is installed on the deviation correcting base 1141, the deviation correcting guide roller 1143 is rotatably supported on the deviation correcting executing module 1142, the pole piece is wound to pass through the deviation correcting guide roller 1143, and the deviation correcting sensor 1144 is correspondingly installed on the deviation correcting base 1141 and is located at the edge of the deviation correcting executing module 1142. Therefore, the material roll deviation rectifying adopts a high-sensitivity sensor to sense the edge of the material area, the deviation rectifying execution module 1142 provides power, and the deviation rectifying guide roller 1143 precisely moves on the deviation rectifying base 1141 to realize the precise positioning of the pole piece.

Referring to fig. 7, meanwhile, in this process, the conveying of the pole piece needs to be optimized through the storage mechanism 113, specifically, the storage component comprises a storage motion module 1131 and a storage roller 1132, the storage roller 1132 is installed on the storage motion module 1131, and the storage motion module 1131 can control the translation of the storage roller 1132, so as to control the feeding rate of the pole piece and adapt to the cutting of the pole piece, and in this embodiment, the storage motion module 1131 is a conventional motor module and is not repeated herein.

Referring to fig. 8, further, the pole piece after the correction is completed by the process correction mechanism 114, the pole piece accurately enters the feeding mechanism 115, specifically, the feeding mechanism 115 includes a second mounting frame 1151, a feeding motor 1152, a feeding roller 1153, a pressing cylinder 1154 and a pressing roller 1155, the second mounting frame 1151 is correspondingly mounted at the front end of the belt conveying device 12, the feeding motor 1152 is mounted on the side wall of the second mounting frame 1151, the feeding roller 1153 is correspondingly rotatably supported in the second mounting frame 1151, the feeding roller 1153 is coaxially fixed with the output shaft of the feeding motor 1152, and the feeding motor 1152 provides power to drive the feeding roller 1153 to rotate.

Meanwhile, a pressing cylinder 1154 is mounted on the second mounting frame 1151, a piston rod of the pressing cylinder 1154 movably penetrates through the second mounting frame 1151, and a pressing roller 1155 rotates an end part of the piston rod carried by the pressing cylinder 1154, wherein the pressing roller 1155 is parallel to the feeding roller 1153. In the process, the pole piece is pressed by the pressing roller 1155 and the feeding roller 1153 under the pressure of the pressing cylinder 1154, and the feeding motor 1152 drives the feeding roller 1153 to rotate so as to realize accurate feeding of the pole piece.

In this embodiment, the material pressing roller 1155 is made of rubber, has long service life, is corrosion-resistant, is not adhered to the pole piece, and is driven by a servo motor to realize accurate positioning, and a precise high-pressure valve is correspondingly connected in the material pressing cylinder 1154, so that the pressure of the material pressing roller 1155 to the pole piece can be adjusted. Meanwhile, the feeding roller 1153 is a carbon fiber roller, so that the roller is more wear-resistant, lighter in weight and better in freedom degree.

Referring to fig. 9, on the other hand, the tape splicing mechanism 116 includes a cutting platform 1161, a new material pressing plate 1162 and an old material pressing plate 1163, wherein an electric cutter is arranged in the cutting platform 1161, a stepping groove for sliding the electric cutter is correspondingly arranged on the upper surface of the cutting platform 1161, and the new material pressing plate 1162 and the old material pressing plate 1163 are positioned on two sides of a station of the cutting platform 1161.

The pole piece is pulled to the joint area by operating personnel, and new material clamp plate 1162 and old material clamp plate 1163 press the location to new material of pole piece and old material of pole piece respectively, cut through electronic cutter, and artifical gummed paper is pasted, accomplishes the connection of new pole piece and preceding pole piece.

Simultaneously, cut the platform 1161 and use non-metal material to make, cut the lower part of platform 1161 and set up the dust collection box, add through the dust absorption pipeline and connect the dust catcher, collect the piece after the pole piece cuts, and cut platform 1161 surface and inlay the scale, be convenient for operating personnel control cut the size.

Referring to fig. 10, on the other hand, the belt conveyor 12 includes a normal adsorption type belt mechanism 121, a pole piece pretreatment mechanism 122, a size detection mechanism 123, a static electricity removal mechanism 124, a flip-chip adsorption type belt mechanism 125, and a flaw detection mechanism 126. Correspondingly, after the laser cutting device 13 completes the cutting of the pole piece, the pole piece pretreatment mechanism 122 carries out pretreatment on the pole piece before stacking, meanwhile, the positive adsorption type belt mechanism 121 adsorbs and conveys the pole piece, the pole piece respectively passes through the size detection mechanism 123 and the static removing mechanism 124 so as to detect the cutting size of the pole piece and simultaneously remove static on the pole piece, in addition, one group of flaw detection mechanisms 126 detect the front surface of the pole piece, under the connection of the flip adsorption type belt mechanism 125, the back surface of the pole piece is placed on the outer side, and the back surface of the pole piece is detected by the other group of flaw detection mechanisms 126.

Specifically, the forward adsorption belt mechanism 121 is located at one side of the feeding mechanism 115, and the forward adsorption belt mechanism 121 is powered by a servo motor to convey the pole piece generated after the laser cutting device 13 cuts to the rear end.

Referring to fig. 10 and 11, correspondingly, a bearing plate 127 which is horizontally arranged is connected between the belt conveying device 12 and the pole piece unreeling device 11, a cutting channel 1271 is correspondingly formed on the upper surface of the bearing plate 127, the position of the cutting channel 1271 corresponds to the cutting station of the laser cutting device 13, meanwhile, a wind hole is formed on the surface of the bearing plate 127, the bearing plate 127 is also connected with a wind power system, and when the pole piece moves to the upper surface of the bearing plate 127, the wind power system provides power to adsorb the pole piece on the upper surface of the bearing plate 127 so as to realize the cutting and positioning of the pole piece.

Correspondingly, the pole piece pretreatment mechanism 122 comprises an air knife 1221 and a dust hood 1222, the air knife 1221 and the dust hood 1222 are externally connected with a wind power system, the air knife 1221 is positioned above the bearing plate 127, the air knife 1221 is externally connected with a heating device, the temperature of hot air sent out by the air knife 1221 is between 200 ℃ and 250 ℃, in the embodiment, the specific stability of the hot air is 200 ℃, the distance between the air knife 1221 and the bearing plate 127 is 10mm, after the pole piece passes through the air knife 1221, the hot air blown out by the air knife 1221 acts on the surface of the pole piece, the grain diameter of a cladding on the surface of the pole piece is reduced to 10um from 20um, and when the diaphragm is coated on the surface of the pole piece in the process of subsequent lamination, the occurrence of the situation that the grain diameter of the cladding on the surface of the pole piece is overlarge and the diaphragm is punctured can be reduced, so that the yield of the production of the battery core is further improved.

On the other hand, the suction hood 1222 is located at one side of the air knife 1221, the opening of the suction hood 1222 faces the air knife 1221, meanwhile, the air knife 1221 and the suction hood 1222 are located at two sides of the cutting channel 1271, the opposite side walls of the air knife 1221 and the suction hood 1222 are both inclined surfaces, and the two inclined surfaces are inclined upwards towards the outer side of the cutting channel 1271. Meanwhile, the distance between the air knife 1221 and the dust hood 1222 is 2mm-10 mm, and 4mm is adopted in the embodiment of the application.

Therefore, when the laser cutting device 13 cuts the pole piece on the cutting channel 1271, the generated fragments will splash to the two sides of the pole piece along the arc-shaped movement track, and a fan-shaped area is formed between the two inclined surfaces, which is adapted to the splashing track of the fragments, so that the fragments can be blocked and received more effectively, and the fragments can be pumped away by the dust suction cover 1222.

It should be noted that, in the embodiment of the present application, the FUU module is added in the dust hood 1222, and the floating powder in the environment is extracted, so as to detect the dust state of the cutting area in real time, and ensure that the number of dust particles reaches the use requirement. Correspondingly, the dust hood 1222 is additionally arranged at the joint of the tape connecting mechanism 116 and the slicing system 1 and the lamination system 2, and the areas are all easy to generate dust.

Referring to fig. 12, correspondingly, the laser cutting device 13 includes a red skin second laser 131, an optical path integration box 132, a Z-axis focusing mechanism 133, and a laser head 134, the optical path integration box 132 and the red skin second laser 131 are connected through an optical path, the Z-axis focusing mechanism 133 is installed below the optical path integration box 132, the laser head 134 is installed on the Z-axis adjusting mechanism, and the laser head 134 faces a cutting channel 1271 on the carrier plate 127 vertically. Therefore, the red skin second laser 131 is used as a light source and matched with the light path integrated box 132 to generate high-precision laser, and the laser head 134 emits the laser, so that the laser cutting of the pole piece is realized.

In the embodiment of the present application, the maximum laser power of the red skin second laser 131 is 300W, and the intermittent feeding cutting is correspondingly adopted because of the need of cutting the material area, the cutting time is controlled to be 0.18S, and the feeding time of the pole piece is correspondingly controlled to be 0.12S.

Referring to fig. 10 and 13, on the other hand, after the pole piece is cut, the pole piece is correspondingly put on the positive adsorption type belt mechanism 121, the positive adsorption type belt mechanism 121 is horizontally arranged, and the positive adsorption type belt mechanism 121 is also externally connected with a wind power system to acquire wind power, that is, the positive adsorption type belt mechanism 121 can generate negative pressure to adsorb the pole piece. And the adsorption belt is driven by the motor module as a power source. Meanwhile, the size detection mechanism 123 is installed above the forward adsorption type belt mechanism 121, the size detection mechanism 123 is composed of a supporting frame and a CCD lens module, the CCD lens module is a module formed by combining a camera, a lens and a light source, and the size of the pole piece after being cut is correspondingly detected after the pole piece passes through the CCD lens module.

Further, the flip-chip adsorbing type belt mechanism 125 is located above the forward adsorbing type belt mechanism 121, and the start end of the flip-chip adsorbing type belt mechanism 125 is connected with the end of the forward adsorbing type belt mechanism 121. When the pole piece moves to the end of the positive suction type belt mechanism 121, the positive suction type belt mechanism 121 correspondingly generates positive pressure, the inverted suction type belt mechanism 125 correspondingly generates negative pressure, so that the pole piece is transferred to the inverted suction type belt mechanism 125, and the back surface of the pole piece is exposed to the outside.

Referring to fig. 10 and 14, two sets of static eliminating mechanisms 124 are provided, wherein one set of static eliminating mechanism 124 is mounted on the positive adsorption belt mechanism 121 and is located at the rear end of the size detecting mechanism 123, and a brush roller built in the static eliminating mechanism 124 acts on the front surface of the pole piece to eliminate static electricity on the front surface of the pole piece. The other group of static eliminating mechanism 124 is arranged on the flip-chip adsorption type belt mechanism 125, and similarly, the brush roller arranged in the other group of static eliminating mechanism 124 acts on the back of the pole piece to eliminate static on the front of the pole piece.

Referring to fig. 10 and 15, further, the defect detecting mechanism 126 is provided with two groups, the detecting ends of the two groups of defect detecting mechanisms 126 face the front-loading adsorption type belt mechanism 121 and the flip-chip adsorption type belt mechanism 125 respectively, and corresponding, one group of defect detecting mechanisms 126 detect the front surface of the pole piece, and under the connection of the flip-chip adsorption type belt mechanism 125, the back surface of the pole piece is placed on the outer side, and the back surface of the pole piece is detected by the other group of defect detecting mechanisms 126. In this embodiment, the defect detecting mechanism 126 also detects whether defects exist on the front and back surfaces of the pole piece through the CCD module. Meanwhile, an NG material box is installed below the flip-chip adsorption type belt mechanism 125, and unqualified pole pieces can be fed into the NG material box by positive pressure generated by the flip-chip adsorption type belt mechanism 125 when passing through the NG material box.

Correspondingly, after flaw detection is completed, the pole piece is sent out of the slicing system 1 and correspondingly enters the lamination system 2 to process lamination, and the following is a description of a structure corresponding to the first lamination station.

Referring to fig. 16 and 17, specifically, the lamination system 2 includes a frame 21, a diaphragm unreeling device 22, a lamination device 23, and a blanking device 24, where the frame 21 is used as a carrier, the frame 21 is correspondingly provided with two feed inlets, and the feed inlets are correspondingly provided with two processing stations corresponding to the positive plate and the negative plate in the slicing system 1, and the feed inlets are used for the belt conveyor 12 to access, and it should be noted that, when the slicing system 1 discharges, the pole piece will be transferred between the flip-chip adsorption type belt mechanism 125 and the forward adsorption type belt mechanism 121 again, that is, the forward adsorption type belt mechanism 121 specifically accesses the feed inlets. Meanwhile, a separator unreeling device 22 is located above the frame 21 and is used for unreeling the separator, and a lamination device 23 is correspondingly applied to stack the positive plate, the negative plate and the separator, thereby forming a battery cell.

Further, the frame 21 includes a marble substrate and a frame body, the marble substrate is used for bearing the frame body, and an air duct is formed in the marble substrate and is used for a wind power system pipeline. Correspondingly, the marble substrate is used as a part of equipment, so that the device has high precision and good stability, and meanwhile, the air duct is additionally arranged on the marble substrate, so that the pipeline is convenient to integrate, and the space utilization rate is improved.

Referring to fig. 18, in addition, the overall architecture of the diaphragm unreeling mechanism 111 is consistent with that of the pole piece unreeling mechanism 111, and the diaphragm required by lamination is provided through mechanisms such as diaphragm unreeling, buffering and material dividing, wherein diaphragm coiled materials are fixed through an air expansion shaft, and the diaphragm is positioned close to an inner side reference edge, so that the material changing is convenient and quick. Similarly, the material rolls have double guarantees of mechanical positioning and sensor edge detection positioning on the air expansion shaft, so that the influence of position deviation caused by different material roll rolling differences is minimized.

Meanwhile, the automatic unreeling is driven by a servo motor, the automatic unreeling is controlled by a program, the speed of unreeling of the diaphragm is changed, whether the diaphragm is used up is judged by calculating the change of the size of the diaphragm material roll, when the diaphragm is used up, the equipment alarms and stops, an operator is prompted to replace the diaphragm, and in the process, the diaphragm unreeling mechanism 111 in the present application can be controlled and executed based on the existing PCL program.

On the other hand, the lamination device 23 includes a lamination feeding mechanism 231, a positioning detection mechanism, a membrane traction mechanism 233 and a lamination base 234, the lamination feeding mechanism 231 slides between the forward adsorption belt mechanism 121 and the lamination base 234, the membrane traction mechanism 233 is connected with the membrane unreeling device 22, the membrane traction mechanism 233 and the lamination feeding mechanism 231 synchronously move, the lamination base 234 fixes the head end of the membrane, the lamination base 234 is used for placing the pole piece and the membrane, and the positioning detection mechanism is used for positioning detection and positioning adjustment of the pole piece before grabbing.

Referring to fig. 19, specifically, the lamination loading mechanism 231 includes a first manipulator 2311 and a second manipulator 2312, and the side wall of the frame 21 is correspondingly provided with a linear module 211, and the linear module 211 spans across both ends of the frame 21. The first robot 2311 and the second robot 2312 are both mounted on the linear module 211. Correspondingly, since the lamination system 2 simultaneously links up the processing procedure of the positive electrode plate and the negative electrode plate, the first manipulator 2311 and the second manipulator 2312 are provided with two groups, one group of the first manipulator 2311 and the second manipulator 2312 is arranged at one side of the frame 21, the other group of the first manipulator 2311 and the second manipulator 2312 is arranged at the other side of the frame 21, and the lamination base 234 is correspondingly arranged between the two groups of the first manipulator 2311 and the second manipulator 2312.

Referring to fig. 20 and 21, two sets of positioning detection mechanisms are provided correspondingly, two sets of positioning detection mechanisms are correspondingly inserted and arranged between the normal adsorption type belt mechanism 121 and the lamination base 234 to slide, each positioning detection mechanism comprises a CCD detection frame 2321, an XYR platform 2322 and a placement platform 2323, the CCD detection frame 2321 is erected above the lamination feeding mechanism 231, the diaphragm traction mechanism 233 and the lamination base 234, the XYR platform 2322 is arranged between the belt conveying device 12 and the lamination base 234, and the placement platform 2323 is fixed above the XYR platform 2322. It should be noted that, the CCD detection frame 2321 is formed by a CCD module matching with a bracket, and can detect the grabbing position of the pole piece and the unreeling position of the diaphragm.

Correspondingly, the first manipulator 2311 carries the pole piece to the upper part of the placing platform 2323, and the CCD detection frame is used for photographing and taking out a number of outgoing signals, so that the XYR platform 2322 obtains corresponding parameters, the placing platform 2323 is controlled to move, the grabbing position of the second manipulator 2312 is more accurate, and after the grabbing position is determined, the second manipulator 2312 carries the pole piece on the placing platform 2323 to the lamination base 234 for lamination.

In the process, a multi-rotor linear motor control system is adopted, and the lamination feeding mechanisms 231 of the positive and negative plates can be independently arranged and can be respectively adjusted. Meanwhile, the first manipulator 2311 and the second manipulator 2312 adopt servo motors to drive the precise ball screw to move, so that the positioning is accurate; meanwhile, the pole piece is conveyed in a sucking disc mode, so that only one sucking piece can be ensured at a time, and the sucking disc has no damage to the pole piece and no trace.

On the other hand, XYR table 2322 has X, Y, θ axis direction adjustment, positioning accuracy±0.1mm, and servo control is adopted, and each axis correction stroke is 10mm maximum, and angle correction range: the positioning platform 2323 is further externally connected with a wind power system, wind holes are correspondingly formed in the surface of the positioning platform 2323, and the pole pieces can be adsorbed and positioned.

Correspondingly, NG cartridges are also arranged on one side of the XYR platform 2322, and unqualified pole pieces can be sent to the NG cartridges for recovery through the first manipulator 2311.

Referring to fig. 19 and 22, specifically, the lamination base 234 includes a base 2341, a stacking table 2342, an X/Y axis movement module 2343 and a pressing knife 2344, the base 2341 is slidably disposed on an upper surface of the marble substrate, the stacking table 2342 is horizontally disposed, the stacking table 2342 is mounted on the upper surface of the base 2341, the X/Y axis movement module 2343 is mounted on the base 2341, the pressing knife 2344 is mounted on a movable end of the X/Y axis movement module 2343, and the pressing knife 2344 can realize a lateral movement and a lifting movement under the driving of the X/Y axis movement module 2343.

Correspondingly, the diaphragm traction mechanism 233 is also installed on the linear module 211, the diaphragm traction mechanism 233 can transversely move under the driving of the linear module 211, the diaphragm coil material enters the diaphragm traction mechanism 233 after being discharged from the diaphragm unreeling device 22, and the diaphragm traction mechanism 233 is internally provided with a roller and a clamping jaw cylinder, so that the diaphragm traction mechanism 233 is clamped and pulled.

In addition, the pressing knives 2344 are correspondingly arranged in four, the four pressing knives 2344 are respectively located at four corners of the stacking table 2342, wherein the first-layer membrane is sent out to the stacking table 2342 by the membrane traction mechanism 233, the upper surface of the stacking table 2342 is also provided with a wind hole, the stacking table 2342 is correspondingly externally connected with a wind power system, the stacking table 2342 can adsorb the first-layer membrane, and the first-layer membrane is ensured to be flatly placed on the upper surface of the stacking table 2342.

Correspondingly, one group of first manipulators 2311 and second manipulators 2312 are matched, a positive plate or a negative plate is placed on a first-layer diaphragm, at the moment, an X/Y axis movement module 2343 is started, so that a pressing knife 2344 positioned on the same side presses one side of the first-layer diaphragm, a diaphragm traction mechanism 233 is controlled to horizontally move through a linear module 211, meanwhile, a diaphragm unreeling device 22 corresponds to discharging, the diaphragm is lengthened, so that the diaphragm covers the upper surface of the first-layer positive plate or the negative plate, correspondingly, the other group of first manipulators 2311 and second manipulators 2312 are matched, the positive plate or the negative plate is placed on a second-layer diaphragm, similarly, an X/Y axis movement module 2343 is started again, so that the other group of pressing knives 2344 positioned on the same side presses one side of the second-layer diaphragm, the diaphragm traction mechanism 233 is controlled to horizontally move to the other side through the linear module 211, meanwhile, the diaphragm unreeling device 22 corresponds to discharging again, so that the diaphragm covers the upper surface of the second-layer positive plate or the negative plate, and the Z-shaped lamination is achieved.

It should be noted that, the lamination base 234 further includes a diaphragm deviation rectifying platform 2345, the diaphragm deviation rectifying platform 2345 is located at one side of the lamination base 2342, and the diaphragm is adsorbed by the air hole, and the diaphragm deviation rectifying platform 2345 is internally provided with a deviation rectifying cylinder, so as to drive the diaphragm to move, adjust the position of the diaphragm, and realize deviation rectifying.

Referring to fig. 19 and 23, further, a hot knife module 23121 is further installed on one of the second manipulators 2312, and after lamination is completed, the second manipulator 2312 moves to a corresponding position to cut off the diaphragm while hot-melting the section of the diaphragm, thereby enabling the diaphragm to stably wrap the pole pieces.

Referring to fig. 24 and 25, on the other hand, the discharging device 24 includes a sliding table 241 (in combination with fig. 22), a horizontal movement module 242, a vertical movement module 243, a battery cell clamping jaw 244, a feeding track module 245 and a clamping mechanism 246, the sliding table 241 is slidably disposed on the upper surface of the marble substrate, the frame 21 is correspondingly provided with a discharge hole for the sliding table 241 to slide out, the horizontal movement module 242 is mounted on the frame 21, the sliding table 241 slides between the lamination station and the horizontal movement module 242, the vertical movement module 243 is mounted on the horizontal movement module 242, a rotary cylinder is mounted on the vertical movement module 243, and the battery cell clamping jaw 244 is mounted on the rotary cylinder.

Meanwhile, the feeding track module 245 is arranged along the length direction of the integrated machine, the feeding track module 245 is connected to the next process, the clamping mechanism 246 is arranged on the feeding track module 245, and the clamping mechanism 246 is in butt joint with the battery core clamping jaw 244.

Therefore, the slide table 241 sends out the lamination base 234 to the outside of the frame 21, the vertical movement module 243 controls the cell clamping jaw 244 to move downwards, the cell clamping jaw 244 grabs the cell, the horizontal movement module 242 is controlled to drive the cell to move horizontally to the discharging side, the clamping mechanism 246 is in butt joint with the cell clamping jaw 244, after the cell is transferred, the cell is sent out to the next process by the feeding track module 245, and discharging is achieved.

The implementation principle of the three-station cutting and stacking integrated machine in the embodiment of the application is as follows:

the pole piece unreeling device 11 unreels the pole piece in a coiled material shape, and when the pole piece is unreeled to the front end of the belt conveying device 12, the laser cutting device 13 cuts the strip pole piece entering the front end of the belt conveying device 12, and the belt conveying device 12 conveys the cut pole piece to the lamination system 2. Meanwhile, the diaphragm unreeling device 22 is correspondingly used for unreeling the diaphragm, the head end of the diaphragm is locked to the laminated base 234, the corresponding feeding port on the frame 21 is used for the belt conveying device 12 to enter, when the pole piece on the belt conveying device 12 moves to the tail end, the laminated feeding mechanism 231 is correspondingly moved to the position of the belt conveying device 12 and grabs the pole piece, the pole piece is conveyed to the position above the laminated base 234 and blanking is carried out, so that the pole piece is stacked on the diaphragm above the laminated base 234, the diaphragm unreeling device 22 is subjected to unreeling through traction cooperation of the diaphragm traction mechanism 233, Z-shaped lamination is realized through cooperation of the laminated feeding mechanism 231, the diaphragm traction mechanism 233 and the laminated base 234, the pole piece and the diaphragm are manufactured into a battery cell, and then the blanking device 24 is subjected to blanking. Therefore, the three-station cutting and stacking all-in-one machine is reasonable in design and layout, clear in functional module distribution, convenient to maintain and auxiliary material feeding, and meanwhile, the three-station cutting and stacking all-in-one machine does not need a die and a cutter and has the advantages of high precision, high efficiency and the like.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. The three-station cutting and stacking integrated machine is characterized by comprising a slicing system (1) and a stacking system (2), wherein the stacking system (2) is connected with the slicing system (1);

the slicing system (1) comprises:

the pole piece unreeling device (11), wherein the pole piece unreeling device (11) is used for unreeling the pole piece;

the belt conveying device (12) is positioned at the rear end of the pole piece unreeling device (11), and the belt conveying device (12) is used for conveying pole pieces;

the laser cutting device (13), the said laser cutting device (13) locates at the front end of the said belt conveyor (12), the said laser cutting device (13) faces the pole piece entering the front end of the said belt conveyor (12);

the lamination system (2) comprises:

the machine frame (21) is correspondingly provided with a feed inlet, and the feed inlet is used for the belt conveying device (12) to be connected in;

a diaphragm unreeling device (22), wherein the diaphragm unreeling device (22) is positioned above the rack (21) and is used for unreeling the diaphragm;

The lamination device (23), lamination device (23) includes lamination feed mechanism (231), diaphragm traction mechanism (233) and lamination base (234), lamination feed mechanism (231) is slided between belt conveyor (12) and lamination base (234), diaphragm traction mechanism (233) links up diaphragm unreeling device (22), diaphragm traction mechanism (233) with lamination feed mechanism (231) synchronous motion, lamination base (234) fixed diaphragm's head end, lamination base (234) are used for placing pole piece and diaphragm;

and the blanking device (24) is positioned at the rear end of the lamination device (23) and is used for blanking the battery cells.

2. The three-station cutting and stacking integrated machine according to claim 1, wherein the pole piece unreeling device (11) comprises an unreeling mechanism (111), a strip receiving mechanism (116), a tension mechanism (112), a material storage mechanism (113), a process deviation correcting mechanism (114) and a feeding mechanism (115), the unreeling mechanism (111) is provided with two groups, the unreeling mechanism (111) is respectively used for unreeling old materials and new materials, the strip receiving mechanism (116) is located above the unreeling mechanism (111), the strip receiving mechanism (116) comprises a cutting platform (1161), a new material pressing plate (1162) and an old material pressing plate (1163), the new material pressing plate (1162) and the old material pressing plate (1163) are located on two sides of a station of the cutting platform (1161), the tension mechanism (112) is located at the rear end of the strip receiving mechanism (116), the tension mechanism (112) is used for adjusting pole piece degree, the pole pieces are sequentially arranged on the material storage mechanism (113), the deviation correcting mechanism (116) and the feeding mechanism (115) are used for realizing accurate cutting of the pole piece (114) to the pole piece cutting and feeding mechanism (114).

3. The three-station cutting and stacking integrated machine according to claim 1, wherein the belt conveying device (12) comprises a positive adsorption type belt mechanism (121), a pole piece pretreatment mechanism (122), a size detection mechanism (123), a static removing mechanism (124), a flip-chip adsorption type belt mechanism (125) and a flaw detection mechanism (126), the positive adsorption type belt mechanism (121) is located at one side of the pole piece unreeling device (11), the pole piece pretreatment mechanism (122) is located under the laser cutting device (13), the size detection mechanism (123) is located at the middle section of the positive adsorption type belt mechanism (121), the size detection mechanism (123) is used for detecting the cutting size of a pole piece, the static removing mechanism (124) is located at the rear end of the size detection mechanism (123), the flip-chip adsorption type belt mechanism (125) is located above the positive adsorption type belt mechanism (121), the initial end of the adsorption type belt mechanism (125) is located at one side of the positive adsorption type belt mechanism (121), and the two groups of flaw detection mechanisms (126) are respectively arranged towards the two groups of positive adsorption type belt mechanisms (121).

4. The three-station cutting and stacking all-in-one machine according to claim 1, wherein the laser cutting device (13) comprises an infrared skin second laser (131), an optical path integrated box (132), a Z-axis focusing mechanism (133) and a laser head (134), the optical path integrated box (132) is connected with the infrared skin second laser (131) through an optical path, the Z-axis focusing mechanism (133) is installed below the optical path integrated box (132), the laser head (134) is installed on the Z-axis adjusting mechanism, and the laser head (134) is vertically oriented to the belt conveying device (12).

5. The three-station cutting and stacking integrated machine according to claim 1, wherein the pole piece pretreatment mechanism (122) comprises an air knife (1221) and a dust hood (1222), a bearing plate (127) which is horizontally arranged is connected between the belt conveying device (12) and the pole piece unreeling device (11), a cutting channel (1271) is correspondingly arranged on the upper surface of the bearing plate (127), the cutting channel (1271) corresponds to the cutting station of the laser cutting device (13), the air knife (1221) and the dust hood (1222) are respectively positioned on two sides of the cutting channel (1271), the air knife (1221) is used for heating the pole pieces, the dust hood (1222) is externally connected with a wind power system, opposite side walls of the air knife (1221) and the dust hood (1222) are inclined planes, and the two inclined planes are obliquely arranged upwards towards the outer side of the cutting channel (1271).

6. The three-station cutting and stacking integrated machine according to claim 1, wherein the frame (21) comprises a marble substrate and a frame body, the marble substrate is used for bearing the frame body, an air duct is formed in the marble substrate, and the air duct is used for a wind power system pipeline.

7. The three-station cutting and stacking integrated machine according to claim 1, wherein the lamination device (23) further comprises a positioning detection mechanism, the positioning detection mechanism comprises a CCD detection frame (2321), an XYR platform (2322) and a placement platform (2323), the CCD detection frame (2321) is arranged above the feeding mechanism, the diaphragm traction mechanism (233) and the lamination base (234), the XYR platform (2322) is arranged between the belt conveying device (12) and the lamination base (234), and the placement platform (2323) is fixed above the XYR platform (2322).

8. The three-station cutting and stacking all-in-one machine according to claim 1, wherein the lamination base (234) comprises a lifting assembly, a stacking table (2342), a diaphragm deviation rectifying platform (2345), a pressing knife (2344) and a translation lifting module, the stacking table (2342) is horizontally installed on the lifting assembly, the stacking table (2342) is used for placing a lamination, the diaphragm deviation rectifying platform (2345) is located on one side of the stacking table (2342), the diaphragm deviation rectifying platform (2345) is used for enabling a diaphragm to pass through, the pressing knife (2344) is located on one side of the stacking table (2342), the pressing knife (2344) is used for pressing the diaphragm, the translation lifting module is installed on one side of the lifting assembly, and the translation lifting module is used for driving the pressing knife (2344) to move.

9. The three-station cutting and stacking integrated machine according to claim 1, wherein the blanking device (24) comprises a sliding table (241), a horizontal movement module (242), a vertical movement module (243) and a battery cell clamping jaw (244), the lamination base (234) is vertical to the sliding table (241), the horizontal movement module (242) is mounted on the frame (21), the sliding table (241) slides between the lamination station and the horizontal movement module (242), the vertical movement module (243) is mounted on the horizontal movement module (242), and the battery cell clamping jaw (244) is mounted on the vertical movement module (243).

10. The three-station cutting and stacking integrated machine according to claim 9, wherein the blanking device (24) further comprises a feeding track module (245) and a clamping mechanism (246), the feeding track module (245) is arranged along the length direction of the integrated machine, the feeding track module (245) is connected to the next process, the clamping mechanism (246) is installed on the feeding track module (245), and the clamping mechanism (246) is in butt joint with the battery core clamping jaw (244).