CN111342107A - A thermal compound high-speed lamination machine - Google Patents

Abstract

The invention provides a thermal compound high-speed lamination machine, which relates to the technical field of lithium battery manufacturing. The thermal compound high-speed lamination machine comprises a support wall plate, a tableting device and a stacking device, and the tableting device and the stacking device are arranged at intervals in On the supporting wall plate, the filming device is used to form the composite pole piece. The stacking device includes a swinging roller assembly and a folding table. The swinging roller assembly is arranged above the folding table and is used for folding and stacking the composite pole pieces and forming a folding table. To form the battery core, the two sides of the folding stacking platform are provided with limiting baffles, so that grooves for accommodating the composite pole pieces are formed on the folding stacking platform. Due to the limit stop function of the limit baffle, the cell can be stopped and limited from both sides to prevent the lamination from loosening, thereby improving the quality of the lamination. The pole piece is equipped with a limited baffle plate, which can effectively fix the folded composite pole piece, so that the problem of loose composite pole piece does not need to be considered during lamination, and the lamination speed is greatly improved.

Description

A thermal compound high-speed lamination machine

technical field

The invention relates to the technical field of lithium battery manufacturing, in particular to a thermal compound high-speed lamination machine.

Background technique

At present, the lithium-ion battery process is generally divided into the following contents: homogenizing → coating → rolling → slitting → filming → making battery cells → shelling → liquid injection → chemical composition → volume distribution, etc. The winding or lamination equipment is responsible for the production of film and cell production. There are various traditional lamination methods, but they can be roughly divided into several categories such as single-piece stacking method and zigzag swing-stacking method.

The disadvantage of the prior art is that the pole pieces cannot be fixed because the pole pieces are in a loose state, which may easily lead to cell safety problems, and the efficiency of lamination is very low, and the output cell volume cannot keep up with the market demand.

In view of this, in order to solve the problems of cell safety hazards and low lamination efficiency, it is particularly important to develop a new lamination method that can improve the quality of the cell and greatly improve the lamination efficiency.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a thermal composite high-speed lamination machine, which greatly improves the safety of lamination, improves the quality of the cell, and also greatly improves the lamination efficiency, so that the manufacturing efficiency of the cell is greatly improved.

The present invention is realized by adopting the following technical solutions.

The invention provides a thermal composite high-speed laminating machine, which comprises a supporting wall plate, a tableting device and a stacking device, the tableting device and the stacking device are arranged at intervals on the supporting wall plate, and the tableting device is used to form a composite pole piece , the stacking device includes a swinging roller assembly and a folding table, the swinging roller assembly is arranged above the folding table, used for folding and stacking the composite pole pieces and forming the battery core, and the two sides of the folding table are provided with limited positions baffle plate, so that a groove for accommodating the composite pole piece is formed on the folding stacking table.

Further, the swinging roller assembly includes a swinging nip roller and a feeding roller, the feeding roller is arranged above the folding and folding table, and is used for conveying the composite pole piece to the folding and folding table, and the swinging nip roller is movably arranged between the feeding roller and the folding table. Between the sheet stacking tables, the composite pole pieces can be driven to swing above both sides of the folding table, so as to fold and stack the composite pole pieces.

Further, the thermal composite high-speed lamination machine also includes a frame, a hot pressing table, a reclaiming manipulator, a blanking manipulator and a conveying assembly, and the hot pressing table, the reclaiming manipulator, the blanking manipulator and the conveying assembly are all arranged on the frame, And the hot-pressing table is set close to the folding and stacking table, and the reclaiming manipulator is set between the hot-pressing table and the folding and folding table, which is used to transfer the cells to the hot-pressing table. It is set close to the hot pressing table, and the unloading manipulator is set on one side of the conveying assembly to transfer the battery cells to the conveying assembly for conveying.

Further, a testing mechanism is also provided on the frame, the reclaiming manipulator is also used to transfer the hot-pressed cells to the testing mechanism for testing, and the unloading manipulator is also used to transfer the qualified cells to the conveying assembly for transportation.

Further, the filming device includes an unwinding assembly, a slicing assembly and a thermal compounding assembly, the unwinding assembly is arranged on the supporting wall plate and is arranged away from the folding stacking table, the thermal compounding assembly is arranged close to the folding folding table, and the slicing component is arranged on the thermal compounding table. Between the assembly and the unwinding assembly, the unwinding assembly is used to provide the pole piece and the separator, the slicing assembly is used to cut the pole piece, and the thermal compounding component is used to thermally combine the pole piece and the separator and form the composite pole piece.

Further, the unwinding assembly includes a positive electrode unwinding mechanism, a negative electrode unwinding mechanism, a first diaphragm unwinding mechanism and a second diaphragm unwinding mechanism, and the positive electrode unwinding mechanism and the negative electrode unwinding mechanism are relatively arranged on the supporting wall plate. The upper and lower sides of the diaphragm; the first diaphragm unwinding mechanism is arranged between the positive film unwinding mechanism and the slicing assembly to provide a first layer of diaphragm, and the second diaphragm unwinding mechanism is arranged between the negative film unwinding mechanism and the slicing assembly, Used to provide a second layer of diaphragm.

Further, the unwinding assembly also includes a first process deviation rectification mechanism and a second process deviation rectification mechanism, and the first process deviation rectification mechanism is arranged on the pole piece transmission path between the positive electrode piece unwinding mechanism and the slicing assembly, and is used for the positive electrode piece. Deviation correction; the second process deviation correction mechanism is arranged on the pole piece transmission path between the negative electrode piece unwinding mechanism and the slicing assembly, and is used to rectify the negative electrode piece.

Further, the slicing assembly includes a positive electrode cutter and a negative electrode cutter, the positive electrode cutter is arranged on the support wall plate close to the thermal composite assembly, the negative electrode cutter is arranged on the support wall plate close to the unwinding assembly, and one side of the positive electrode cutter A positive electrode scrap piece is provided, and one side of the negative electrode cutter is provided with a negative electrode scrap piece.

Further, the thermal compounding assembly includes a first Mylar unwinding mechanism, a second Mylar unwinding mechanism, a thermal compounding baking oven and a rolling over-roller, and the feed end of the thermal compounding baking oven is set close to the slicing assembly for To form a composite pole piece, the first Mylar unwinding mechanism is set above the thermal composite baking oven to provide a Mylar film covering the upper side of the composite pole piece, and the second Mylar unwinding mechanism is set in the thermal composite baking oven Below it, it is used to provide the Mylar film covering the lower side of the composite pole piece, and the rolling roller is arranged at the discharge end of the thermal composite baking oven for thermally rolling the composite pole piece.

Further, the thermal composite assembly also includes an area array camera mechanism and a passive buffer mechanism, and the area array camera mechanism is arranged on the side of the rolling over roller away from the thermal composite baking oven, and is used for image acquisition of the composite pole piece that is transported. The passive buffer mechanism is arranged between the rolling over roller and the swing roller assembly to provide tension during lamination.

The present invention has the following beneficial effects:

The present invention provides a thermal compound high-speed lamination machine, wherein the swing roller assembly is arranged above the folding table, and the two sides of the folding table are also provided with limit baffles, and the composite poles are folded and stacked by the swing roller assembly. During the lamination process, due to the limit stop function of the limiting baffle, the cell can be stopped and limited from both sides to prevent the lamination from loosening, thereby improving the quality of the lamination and ensuring the smoothness of the lamination process. Safety, thereby improving the quality of the battery cells. In addition, due to the use of a swing roller assembly to fold and stack the composite pole pieces, and a limited baffle plate, the folded composite pole pieces can be effectively fixed, so that no need to stack the pieces. Considering the problem of loose composite pole pieces, the lamination speed is greatly improved. Compared with the prior art, the thermal composite high-speed lamination machine provided by the present invention has high lamination quality and lamination efficiency, and can greatly improve the quality of the battery cells.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic diagram of the overall structure of a thermal composite high-speed lamination machine provided by an embodiment of the present invention;

Fig. 2 is the structural representation of the stack segment in Fig. 1;

Fig. 3 is the structural representation of the lamination device in 2;

4 is a schematic diagram of the connection structure of the unwinding assembly and the slicing assembly in FIG. 1;

FIG. 5 is a schematic structural diagram of the thermal composite assembly in FIG. 1 .

Icon: 10-thermal compounding high-speed laminating machine; 100-supporting wall plate; 200-making device; 210-unwinding assembly; 211-positive film unwinding mechanism; 213-negative electrode unwinding mechanism; 215-first diaphragm Unwinding mechanism; 217-Second diaphragm unwinding mechanism; 218-First process rectification mechanism; 219-Second process rectification mechanism; 230-Slice assembly; 231-Positive cutter; 233-Negative cutter; Waste; 237- Negative Rejection; 239- Pole Piece Drive Belt; 250- Thermal Composite Assembly; 251- First Mylar Unwinding Mechanism; 253- Second Mylar Unwinding Mechanism; 255- Thermal Compounding Oven ;257-rolling roller;258-area array camera mechanism;259-passive buffer mechanism;300-stacking device;310-swinging roller assembly;311-swinging clamp; 313-feeding roller;330-folding table 350-limiting baffle; 370-smoothing mechanism; 400-frame; 500-hot pressing table; 600-reclaiming manipulator; 700-cutting manipulator; 800-conveying component;

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "vertical", "horizontal", "inner", "outer", etc. The orientation or positional relationship of the invention, or the orientation or positional relationship that is usually placed when the product of the invention is used, is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, It is constructed and operated in a particular orientation and is therefore not to be construed as a limitation of the present invention. Furthermore, the terms "first", "second", etc. are only used to differentiate the description and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "connected", "installed" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As disclosed in the Background Art, in the prior art, since there are no stopping parts during lamination, the lamination is relatively loose, and the stacking is easy to slip, which affects the quality of the laminations, and the edge alignment is low, which affects the quality of the cells. In order to reduce the probability of the laminations slipping off, the loose composite pole pieces need to be laminated slowly, and the lamination table is slowly lowered, which leads to low lamination efficiency and difficulty in meeting production requirements.

The thermal composite high-speed lamination machine provided by the invention can perform lamination operation efficiently and safely, and greatly improve the quality of the electric core.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The features of the embodiments described below may be combined with each other without conflict.

first embodiment

Referring to FIG. 1 to FIG. 3 , the present invention provides a thermal composite high-speed lamination machine 10 , which has high lamination efficiency and high cell quality, and can effectively avoid the situation that the composite pole piece slips off.

The thermal composite high-speed lamination machine 10 provided in this embodiment includes a supporting wall panel 100, a filming device 200, a laminating device 300, a frame 400, a hot pressing table 500, a reclaiming robot 600, a blanking robot 700 and a conveying assembly 800, the film making device 200 and the film stacking device 300 are arranged on the supporting wall plate 100 at intervals, the film making device 200 is used to form a composite pole piece, and the film stacking device 300 includes a swing roller assembly 310 and a folding stacking table 330. The swing roller assembly 310 is arranged above the folding and stacking table 330 for folding and stacking the composite pole pieces and forming the electric core. Limiting baffles 350 are arranged on both sides of the folding and folding table 330, so that the in the groove for accommodating the composite pole piece. The hot-pressing table 500, the reclaiming robot 600, the unloading robot 700 and the conveying assembly 800 are all arranged on the frame 400, and the hot-pressing table 500 is arranged near the folding and stacking table 330, and the reclaiming robot 600 is arranged on the hot-pressing table 500 and the folding table 330. Between the folding and stacking tables 330, the cells are transferred to the hot pressing table 500, and the hot pressing table 500 is used for the hot pressing cells. One side of 800 is used to transfer the battery cells to the conveying assembly 800 for conveying.

In this embodiment, the production device 200 and the lamination device 300 are arranged on the supporting wall panel 100, the supporting wall panel 100 is placed vertically, and the various components of the production device 200 and the lamination device 300 are spaced apart and reasonably distributed in The wall panel 100 is supported so that each component of the film making device 200 and the film stacking device 300 operates in the vertical direction. The hot-pressing table 500 , the reclaiming robot 600 , the unloading robot 700 and the conveying assembly 800 at the rear end are arranged on the frame 400 , and combined with the lamination device 300 to form stack segments, the frame 400 is placed in a horizontal state, so that the hot-pressing table 500 , The reclaiming manipulator 600, the unloading manipulator 700 and the conveying assembly 800 are all arranged in the horizontal direction. Batteries.

The swinging roller assembly 310 includes a swinging nip roller and a feeding roller 313. The feeding roller 313 is arranged above the folding and stacking table 330 for conveying the composite pole piece to the folding and stacking table 330. The swinging nip roller is movably arranged on the feeding roller. 313 and the folding table 330, and can drive the composite pole pieces to swing above both sides of the folding table 330 to fold and stack the composite pole pieces. Specifically, the feeding roller 313 is rotatably arranged on the supporting wall panel 100, and the swing clamp 311 is movably arranged on the supporting wall panel 100, and can swing relative to the feeding roller 313 in the left and right directions, so as to realize the folding and stacking of composite poles piece.

In this embodiment, a smoothing mechanism 370 is further disposed above the folding and stacking table 330. The smoothing mechanism 370 includes a smoothing roller, a rotating shaft and a smoothing arm. It is connected with the rotating shaft, and the other end is connected with the leveling roller. The leveling roller smoothes both sides of the cell to improve the integrity of the cell.

It should be noted that folding and stacking the composite pole pieces refers to stacking the composite pole pieces in a Z-shaped stacking manner. The stress at the edges on both sides is minimized, and the lamination edge of the composite pole piece is prevented from affecting the quality of the lamination.

It should also be noted that the composite pole piece in this embodiment is covered with a first layer of diaphragm and a second layer of diaphragm on the upper and lower sides of the negative electrode plate, and positive plates are arranged on the first layer of diaphragm at intervals. Positive plates are arranged at intervals on the two-layer separator, the positive plates on the upper and lower sides are alternately arranged, and two adjacent positive plates are separated by a distance of at least one negative plate, so as to facilitate subsequent lamination.

In this embodiment, a testing mechanism 900 is further provided on the rack 400 , the reclaiming manipulator 600 is also used to transfer the hot-pressed cells to the testing mechanism 900 for testing, and the unloading manipulator 700 is also used to transfer qualified batteries The cores are transferred to the transport assembly 800 for transport. Specifically, the testing mechanism 900 includes a sticking tester and a short-circuit tester. The sticking tester is used to perform a sticking test on the battery cell to detect the structural quality of the battery cell, and the short-circuit tester is used to perform a short-circuit test on the battery cell to detect electrical The electrical properties of the core. For the specific principles of the glue test and short-circuit test, please refer to the existing test principles.

In the actual stacking process, the composite pole pieces are folded and stacked by swinging the clamp 311, and the composite pole pieces are stacked in the grooves of the folding table 330. Due to the setting of the limiting baffles 350, the two sides of the cell can be stopped. To prevent the composite pole piece from slipping off, the cells made by this method not only have high alignment accuracy, but also produce cells several times faster than other methods. The reclaiming manipulator 600 removes the folded cells and places them on the hot pressing table 500 for hot pressing. After the hot pressing is completed, the reclaiming manipulator 600 takes out the cells and places them on the testing mechanism 900 for gluing and short-circuit testing. , Two sets of hot-pressing platform are set to improve efficiency. If the cells are qualified, they are picked up by the blanking robot 700 and placed on the conveying assembly 800. Specifically, they are transported by the belt to the manual reclaiming position. If the cells are unqualified, they are placed in the NG blanking area by the blanking robot 700.

The film-making device 200 includes an unwinding assembly 210, a slicing assembly 230 and a thermal compounding assembly 250. The unwinding assembly 210 is disposed on the supporting wall panel 100 and is disposed away from the folding table 330, and the thermal compounding assembly 250 is disposed near the folding table 330. The slicing assembly 230 is arranged between the thermal compounding assembly 250 and the unwinding assembly 210, the unwinding assembly 210 is used for providing the pole piece and the separator, the slicing assembly 230 is used for cutting the pole piece, and the thermal compounding assembly 250 is used for thermally compounding the pole piece and the separator And form a composite pole piece.

Referring to FIG. 4, the unwinding assembly 210 includes a positive electrode sheet unwinding mechanism 211, a negative electrode sheet unwinding mechanism 213, a first diaphragm unwinding mechanism 215 and a second diaphragm unwinding mechanism 217, a positive electrode sheet unwinding mechanism 211 and a negative electrode sheet unwinding mechanism The mechanism 213 is relatively arranged on the upper and lower sides of the supporting wall plate 100; the first diaphragm unwinding mechanism 215 is arranged between the positive electrode film unwinding mechanism 211 and the slicing assembly 230 for providing the first layer of diaphragm, and the second diaphragm unwinding mechanism 217 It is arranged between the negative electrode sheet unwinding mechanism 213 and the slicing assembly 230 to provide a second layer of separator.

In this embodiment, there are two positive electrode unwinding mechanisms 211 and two negative electrode unwinding mechanisms 213 , wherein a positive electrode unwinding mechanism 211 and a negative electrode unwinding mechanism 213 are provided on the upper part of the supporting wall plate 100 . A positive electrode unwinding mechanism 211 and a negative electrode unwinding mechanism 213 are arranged at the lower part of the wall plate 100 , and the unwinding speed can be greatly improved by two positive electrode unwinding mechanisms 211 and two negative electrode unwinding mechanisms 213 .

It should be noted that a tension control mechanism is also provided on the discharge side of each positive electrode piece unwinding mechanism 211 and on the discharge side of each negative electrode piece unwinding mechanism 213, and the tension control mechanism is used to provide tension when the pole piece is transported. Guarantee the conveying effect of the pole piece.

Further, the unwinding assembly 210 also includes a first process deviation correction mechanism 218 and a second process deviation correction mechanism 219. The first process deviation correction mechanism 218 is arranged on the pole piece transmission path between the positive electrode piece unwinding mechanism 211 and the slicing assembly 230, It is used to rectify the deviation of the positive electrode piece; the second process deviation rectification mechanism 219 is arranged on the pole piece transmission path between the negative electrode piece unwinding mechanism 213 and the slicing assembly 230, and is used to rectify the deviation of the negative electrode piece. In this embodiment, the first process deviation correction mechanism 218 and the second process deviation correction mechanism 219 are both two, which can realize the deviation correction of the two positive electrode unwinding mechanisms 211 and the two negative electrode unwinding mechanisms 213. Transport accuracy.

The slicing assembly 230 includes a positive electrode cutter 231 and a negative electrode cutter 233, the positive electrode cutter 231 is arranged on the support wall plate 100 close to the thermal composite assembly 250, and the negative electrode cutter 233 is arranged on the support wall plate 100 close to the unwinding assembly 210, One side of the positive electrode cutter 231 is provided with a positive electrode scrap piece 235 , and one side of the negative electrode cutter 233 is provided with a negative electrode scrap piece 237 .

In this embodiment, a pole piece driving belt 239 is arranged between the positive electrode cutter 231 and the negative electrode cutter 233, and a pole piece driving belt 239 is also arranged between the positive electrode cutter 231 and the thermal composite assembly 250, and is driven by the pole piece Belt 239 drives the pole piece movement.

In order to realize the efficiency of cutting and feeding the pole pieces (the maximum belt running speed is 600mm/s), two sets of upper and lower cutters are set up to work alternately. Due to space limitations, a pole piece driving belt 239 is arranged between the negative electrode cutter 233 and the positive electrode cutter 231 to drive the pole pieces, and a set of pole piece scrap pieces are arranged on the right side of each set of cutters to remove those missing pole pieces and labelling. (The problematic pole piece will be labelled after laser cutting), the pole piece with problems such as tearing of the pole piece, a set of short pole piece driving belt 239 is set behind the positive pole piece cutter 231 to connect with the thermal composite assembly 250 to ensure the completion of the cutting process. The composite pole pieces of the cutter are more precisely entered into the thermal composite assembly 250 for composite.

Referring to FIG. 5 , the thermal compounding assembly 250 includes a first Mylar unwinding mechanism 251 , a second Mylar unwinding mechanism 253 , a thermal compounding oven 255 , a rolling roller 257 , an area scan camera mechanism 258 and a passive buffer mechanism 259 , the feed end of the thermal compound oven 255 is set close to the slicing assembly 230 to form the compound pole piece, and the first Mylar unwinding mechanism 251 is arranged above the thermal compound oven 255 to provide a covering on the compound pole piece. The Mylar film on the upper side of the sheet, the second Mylar unwinding mechanism 253 is arranged below the thermal compounding oven 255 to provide the Mylar film covering the lower side of the composite pole piece, and the rolling over roller 257 is arranged on the thermal compounding oven 255. The discharge end of the oven 255 is used for thermally rolling composite pole pieces. The area array camera mechanism 258 is an area array CCD, which is arranged on the side of the rolling over roller 257 away from the thermal compound baking oven 255, and is used for image acquisition of the composite pole piece that is transported. Between the roller 257 and the swing roller assembly 310, it is used to provide tension during lamination.

It should be noted that the working principle of the thermal composite oven 255 is to use high temperature conditions to fuse the positive and negative electrode sheets with the diaphragm under the drive of the Mylar film (the diaphragm is glued), and then roll it under the rolling roller 257. The positive and negative electrodes are tightly attached to the separator. The first Mylar unwinding mechanism 251 and the second Mylar unwinding mechanism 253 are arranged above and below the thermal compound oven 255, and both have tension control components to control the tension. In order to ensure the lamination accuracy, after rolling over the roller 257, an area array CCD is set to take pictures of the composite pole pieces that are traveling, and the captured signals are sent to the deviation correction mechanism of the unwinding assembly 210, and the deviation correction mechanism performs related actions. The function of the passive buffer is to save the auxiliary time of lamination, play the role of continuous feeding, and provide tension for the lamination device 300 when laminating.

It should also be noted that, in this embodiment, since all the components of the film-making device 200 are arranged on the support wall panel 100, and the support wall panel 100 is arranged vertically, a partition plate is required between the components of the film-making device 200. Separation is carried out to prevent the positive and negative plates and separators from falling off during the tape transfer process and affecting the production quality of the cells (there are various composite materials such as carbon powder on the surface of the pole pieces).

To sum up, in the thermal composite high-speed lamination machine 10 provided in this embodiment, the swing roller assembly 310 is arranged above the folding table 330 , and the limiting baffles 350 are also arranged on both sides of the folding table 330 , The composite pole pieces are folded and stacked by the swinging roller assembly 310. During the stacking process, due to the limiting action of the limiting baffle 350, the battery cells can be stopped and limited from both sides to prevent the stacking from loosening. , thereby improving the lamination quality, ensuring the safety of the lamination process, and further improving the quality of the battery cells. In addition, because the swing roller assembly 310 is used to fold and stack the composite pole pieces, and the limiting baffle 350 is set, it can effectively The folded composite pole pieces are fixed securely, so that there is no need to consider the looseness of the composite pole pieces during lamination, and the lamination speed is greatly improved. In addition, through the rational arrangement of the various components of the tableting device 200, the structure is more compact, and the overall occupied space is greatly reduced.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A thermal composite high-speed lamination machine, characterized in that it comprises a supporting wall panel, a tableting device and a stacking device, and the tableting device and the stacking device are arranged at intervals on the supporting wall panel, so that the The tableting device is used to form a composite pole piece, and the stacking device includes a swinging roller assembly and a folding stacking table, the swinging roller assembly is arranged above the folding and stacking table, and is used for folding and stacking the composite pole pieces and form electric cores, and limit baffles are arranged on both sides of the folding stacking table to limit the position of the electric cores, so that the The groove of the cell. 2 . The high-speed thermal lamination machine according to claim 1 , wherein the swing roller assembly comprises a swing nip roller and a feed roller, and the feed roller is arranged above the folding and stacking table. 3 . It is used to transport the composite pole piece to the folding and stacking table, and the swing nip roller is movably arranged between the feeding roller and the folding table, and can drive the composite pole piece to move in the folding table. The upper two sides of the folding table are swung to fold and stack the composite pole pieces. 3. The thermal compounding high-speed laminating machine according to claim 1, characterized in that, the thermal compounding high-speed laminating machine further comprises a frame, a hot pressing table, a reclaiming manipulator, a blanking manipulator and a conveying assembly, and the The hot-pressing table, the reclaiming manipulator, the unloading manipulator and the conveying assembly are all arranged on the frame, and the hot-pressing table is arranged close to the folding and stacking table, and the reclaiming robot is arranged Between the heat-pressing table and the folding stacking table, for transferring the battery cells to the heat-pressing table, the heat-pressing table is used for heat-pressing the battery cells, and the conveying assembly is close to The hot-pressing table is arranged, and the unloading manipulator is arranged on one side of the conveying assembly for transferring the battery cells to the conveying assembly for conveying. 4. The high-speed thermal lamination machine according to claim 3, characterized in that, a testing mechanism is further provided on the frame, and the reclaiming manipulator is also used to transfer the hot-pressed cells to the A testing institution conducts testing, and the unloading manipulator is also used to transfer the qualified battery cells to the conveying assembly for conveying. 5. The thermal compounding high-speed laminating machine according to claim 1, wherein the tableting device comprises an unwinding component, a slicing component and a thermal compounding component, and the unwinding component is arranged on the support wall panel and Disposed away from the folding stack, the thermal composite assembly is positioned close to the folding stack, the slicing assembly is positioned between the thermal composite assembly and the unwinding assembly, and the unwinding assembly is used for A pole piece and a separator are provided, the slicing assembly for cutting the pole piece, and the thermal compounding assembly for thermally compounding the pole piece and the separator and forming a composite pole piece. 6 . The thermal compound high-speed laminating machine according to claim 5 , wherein the unwinding assembly comprises a positive electrode unwinding mechanism, a negative electrode unwinding mechanism, a first diaphragm unwinding mechanism and a second diaphragm unwinding 6 . The positive electrode sheet unwinding mechanism and the negative electrode sheet unwinding mechanism are oppositely arranged on the upper and lower sides of the support wallboard; the first diaphragm unwinding mechanism is arranged on the positive electrode sheet unwinding mechanism and the slicer between the components, for providing a first layer of separator, and the second separator unwinding mechanism is arranged between the negative electrode sheet unwinding mechanism and the slicing assembly, and is used for providing a second layer of separator. 7. The thermal compound high-speed lamination machine according to claim 6, wherein the unwinding assembly further comprises a first process deviation rectification mechanism and a second process deviation rectification mechanism, and the first process deviation rectification mechanism is arranged in the The pole piece transmission path between the positive pole piece unwinding mechanism and the slicing assembly is used to rectify the positive pole piece; the second process deviation rectification mechanism is arranged on the negative pole piece unwinding mechanism and the slicing component. On the transmission path between the pole pieces, it is used to correct the deviation of the negative pole pieces. 8 . The thermal compound high-speed lamination machine according to claim 5 , wherein the slicing assembly comprises a positive electrode cutter and a negative electrode cutter, and the positive electrode cutter is disposed near the support of the thermal compound assembly. 9 . On the wallboard, the negative electrode cutter is arranged on the support wallboard close to the unwinding assembly, one side of the positive electrode cutter is provided with a positive electrode scrap piece, and one side of the negative electrode cutter is provided with a Negative rejects. 9 . The thermal compound high-speed lamination machine according to claim 5 , wherein the thermal compound assembly comprises a first Mylar unwinding mechanism, a second Mylar unwinding mechanism, a thermal compounding oven and a rolling mill. 10 . The feed end of the thermal composite baking box is set close to the slicing component to form the composite pole piece, and the first Mylar unwinding mechanism is arranged above the thermal composite baking box , used to provide a Mylar film covering the upper side of the composite pole piece, and the second Mylar unwinding mechanism is arranged below the thermal composite oven to provide a Mylar film covering the lower side of the composite pole piece The Mylar film is made of 100°C, and the rolling over-roller is arranged at the discharge end of the thermal composite baking oven for thermally rolling the composite pole piece. 10. The thermal composite high-speed lamination machine according to claim 9, wherein the thermal composite assembly further comprises an area array camera mechanism and a passive buffer mechanism, and the area array camera mechanism is arranged on the rolling over-roller. The side away from the thermal compound baking box is used for image acquisition of the compound pole piece being transported, and the passive buffer mechanism is arranged between the rolling roller and the swinging roller assembly. Tension when providing laminations.

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