CN217426821U - Battery core lamination processing device and battery core production equipment - Google Patents

Abstract

The utility model provides an electricity core lamination processingequipment and electric core production facility relates to the battery field. The battery cell lamination processing device comprises a support frame, a hot-pressing feeding mechanism, a hot-pressing blanking mechanism and a rubberizing mechanism, wherein the hot-pressing feeding mechanism, the hot-pressing blanking mechanism and the rubberizing mechanism are sequentially arranged on the support frame along a first direction, and the hot-pressing feeding mechanism carries the laminated battery cells to the hot-pressing mechanism; the hot-pressing mechanism carries out hot pressing on the laminated battery cell to form a hot-pressed battery cell; the hot-pressing blanking mechanism carries the hot-pressed battery cell to the adhesive sticking mechanism; and the rubberizing mechanism is used for rubberizing the hot-pressed battery cell to form the rubberized battery cell. According to electric core lamination processingequipment and electric core production facility of this application, solved current hot pressing equipment and rubberizing equipment and often separated independent, the beat time is long, the problem that the productivity is low, promoted the hot pressing of electric core behind the lamination and the efficiency of rubberizing.

Description

Battery core lamination processing device and battery core production equipment

Technical Field

The application relates to the field of battery production, in particular to a battery core lamination processing device and battery core production equipment.

Background

The existing battery cell is low in battery cell strength after lamination, soft in hardness and poor in size stability, the alignment degree of a positive plate and a negative plate is easily affected by actions and becomes poor, the contact of the positive plate and the negative plate can cause short circuit of the battery cell, and great safety risks exist, so that the battery cell after lamination needs to be subjected to hot pressing and rubberizing processes, and the alignment degree and the size stability of the positive plate and the negative plate of the battery cell after lamination are guaranteed. However, the existing hot pressing equipment and the existing rubberizing equipment are often separated and independent, the beat time is long, and the productivity is low.

SUMMERY OF THE UTILITY MODEL

In view of this, this application provides an electricity core lamination processingequipment and electricity core production facility, through setting up hot pressing feed mechanism, hot pressing unloading mechanism and rubberizing mechanism on the support frame, can carry out hot pressing and rubberizing operation to electric core, solved current hot pressing equipment and rubberizing equipment and often separately independent, the beat time is long, the problem that the productivity is low, promoted the hot pressing of electric core behind the lamination and the efficiency of rubberizing.

According to one aspect of the application, a battery cell lamination processing device is provided, and comprises a support frame, a hot-pressing feeding mechanism, a hot-pressing blanking mechanism and a rubberizing mechanism, wherein the hot-pressing feeding mechanism, the hot-pressing blanking mechanism and the rubberizing mechanism are sequentially arranged on the support frame along a first direction, and the hot-pressing feeding mechanism carries a laminated battery cell to the hot-pressing mechanism;

the hot-pressing mechanism carries out hot pressing on the laminated battery cell to form a hot-pressed battery cell;

the hot-pressing blanking mechanism carries the hot-pressed battery cell to a gluing mechanism;

and the rubberizing mechanism is used for rubberizing the hot-pressed battery cell to form the rubberized battery cell.

Preferably, the hot pressing feeding mechanism includes a first clamping portion and a first driving portion, the first driving portion is disposed on the support frame, the first driving portion is connected with the first clamping portion, the first clamping portion is used for clamping the battery cell after lamination, and the first driving portion drives the first clamping portion to move.

Preferably, the laminated battery core is formed by processing a laminating device, the number of the hot-pressing feeding mechanisms is two, the two hot-pressing feeding mechanisms are arranged at intervals along a second direction, the discharge end of the laminating device is arranged between the two hot-pressing feeding mechanisms, and the first direction is perpendicular to the second direction.

Preferably, the battery cell lamination processing device comprises a plurality of hot-pressing mechanisms, and the plurality of hot-pressing mechanisms are arranged on the support frame at intervals along the second direction.

Preferably, the hot-pressing blanking mechanism comprises a second clamping part and a second driving part, the second driving part is arranged on the support frame, the second clamping part is used for clamping the battery cell after hot pressing, and the second driving part is connected with the second clamping part to drive the second clamping part to move and rotate.

Preferably, the battery core lamination processing device further comprises a fixing platform fixed on the support frame, the hot-pressing blanking mechanism is arranged between the hot-pressing mechanism and the fixing platform, the fixing platform is provided with a rubberizing platform and the rubberizing mechanism, and the two sides of the rubberizing platform are respectively provided with the rubberizing mechanism.

Preferably, the battery core lamination processing device further comprises a two-dimensional code pasting mechanism, the two-dimensional code pasting mechanism is arranged on the fixed platform, and the two-dimensional code pasting mechanism is used for pasting the two-dimensional code on the battery core after the battery core is pasted with the glue.

Preferably, the battery core lamination processing device further comprises an unloading manipulator, the unloading manipulator is fixed to the support frame, the unloading manipulator is used for moving the battery core after the rubberizing to the two-dimensional code pasting mechanism, and after the battery core after the rubberizing is pasted with the two-dimensional code, the unloading manipulator will paste the battery core with the two-dimensional code and move out of the rubberizing platform.

According to another aspect of the application, a cell production device is provided, wherein the lamination device comprises a positive plate supply mechanism, a negative plate supply mechanism, a first diaphragm supply mechanism, a second diaphragm supply mechanism, a first cutting mechanism, a second cutting mechanism, a third cutting mechanism, a thermal compounding mechanism, a deviation correcting mechanism, a carrying assembly and a lamination table, the positive plate supply mechanism can supply a positive plate, the first cutting mechanism is arranged at the downstream side of the positive plate supply mechanism, and the first cutting mechanism cuts the positive plate to form a plurality of positive unit plates;

the negative electrode sheet supply mechanism can supply negative electrode sheets, the second cutting mechanism is arranged at the downstream side of the negative electrode sheet supply mechanism, and the second cutting mechanism cuts the negative electrode sheets to form a plurality of negative electrode sheets;

the first separator supply mechanism and the second separator supply mechanism are respectively arranged on two sides of the plurality of negative electrode sheets, the first separator supply mechanism supplies a first separator, and the second separator supply mechanism can supply a second separator so that two sides of the plurality of negative electrode sheets are covered by the first separator and the second separator;

the thermal compounding mechanism can thermally compound the first diaphragm and the second diaphragm with the plurality of negative electrode sheets respectively to obtain continuous negative electrode unit sheets;

the third cutting mechanism is arranged on the downstream side of the thermal compound mechanism and is used for cutting the first diaphragm and the second diaphragm to obtain a plurality of negative electrode unit pieces, the lengths of the first diaphragm and the second diaphragm in any one of the negative electrode unit pieces are the same, and the length of the first diaphragm is 1.01-1.08 times of the length of the battery core;

the carrying assembly carries the positive electrode unit slices and the negative electrode unit slices to the lamination table, and the negative electrode unit slices and the positive electrode unit slices are alternately laminated on the lamination table to obtain a battery cell;

the deviation rectifying mechanisms are arranged on two sides of the laminating table so as to align the plurality of negative electrode unit slices and the plurality of positive electrode unit slices.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 shows a schematic structural diagram of a view angle of a cell lamination processing apparatus according to an embodiment of the present invention;

fig. 2 shows a schematic structural diagram of another view angle of the cell lamination processing apparatus according to an embodiment of the present invention;

fig. 3 shows a schematic structural view of a view angle of a hot press loading mechanism according to an embodiment of the present invention;

fig. 4 shows a schematic structural view of another view of the hot press feeding mechanism according to an embodiment of the present invention;

fig. 5 shows a schematic structural diagram of a hot press mechanism according to an embodiment of the present invention;

fig. 6 shows a schematic structural view of a view angle of a hot press blanking mechanism according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram showing another view of the hot-pressing blanking mechanism according to an embodiment of the present invention;

fig. 8 shows a schematic structural diagram after cell gluing and two-dimensional code pasting according to an embodiment of the present invention;

fig. 9 shows a schematic structural view of a lamination arrangement according to an embodiment of the invention;

fig. 10 shows a schematic structural diagram after cell lamination according to an embodiment of the present invention.

Icon: 100-a support frame; 200-hot pressing feeding mechanism; 211-a first sliding track; 212-a second slide rail; 213-a third slide rail; 214-a first drive motor; 221-a first jaw; 222-a first fixing plate; 300-a hot-pressing mechanism; 310-a hot-pressing assembly; 400-hot pressing blanking mechanism; 411-a fourth slide rail; 412-a fifth slide rail; 413-a sixth sliding rail; 414-a second drive motor; 421-a second jaw; 422-a second fixing plate; 500-a stationary platform; 510-rubberizing platform; 520-a gluing mechanism; 530-two-dimensional code pasting mechanism; 600-a blanking manipulator; 711-positive electrode sheet feeding mechanism; 712-negative pole piece supply mechanism; 720-a first diaphragm feed mechanism; 730-a second membrane supply mechanism; 740-a first cutting mechanism; 750-a second cutting mechanism; 760-a third cutting mechanism; 770-a thermal compounding mechanism; 780-a deviation rectifying mechanism; 790-a lamination station; 800-electric core; 810-rubberizing position; 820-paste two-dimensional code locations; 830-positive electrode die; 840-negative electrode die.

Detailed Description

The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, devices, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and/or systems described herein will be apparent to those skilled in the art in view of the disclosure of the present application. For example, the order of operations described herein is merely an example, which is not limited to the order set forth herein, but rather, variations may be made in addition to operations which must occur in a particular order, which will be apparent upon understanding the disclosure of the present application. Moreover, descriptions of features known in the art may be omitted for clarity and conciseness.

The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many possible ways to implement the methods, devices, and/or systems described herein that will be apparent after understanding the disclosure of the present application.

Throughout the specification, when an element (such as a layer, region, or substrate) is described as being "on," "connected to," coupled to, "over," or "overlying" another element, it may be directly "on," "connected to," coupled to, "over," or "overlying" the other element, or one or more other elements may be present therebetween. In contrast, when an element is referred to as being "directly on," "directly connected to," directly coupled to, "directly over" or "directly overlying" another element, there may be no intervening elements present.

As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.

Although terms such as "first", "second", and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first member, component, region, layer or section discussed in the examples described herein could be termed a second member, component, region, layer or section without departing from the teachings of the examples.

For ease of description, spatial relationship terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "upper" relative to other elements would then be oriented "below" or "lower" relative to the other elements. Thus, the term "above … …" includes both an orientation of "above … …" and "below … …" depending on the spatial orientation of the device. The device may also be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms are also intended to include the plural forms unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.

Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.

The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application.

According to one aspect of the application, a battery cell lamination processing device is provided, and comprises a support frame, a hot-pressing feeding mechanism, a hot-pressing blanking mechanism and a rubberizing mechanism, wherein the hot-pressing feeding mechanism, the hot-pressing blanking mechanism and the rubberizing mechanism are sequentially arranged on the support frame along a first direction, and the hot-pressing feeding mechanism carries a laminated battery cell to the hot-pressing mechanism; the hot-pressing mechanism carries out hot pressing on the laminated battery cell to form a hot-pressed battery cell; the hot-pressing blanking mechanism carries the hot-pressed battery cell to a gluing mechanism; and the rubberizing mechanism is used for rubberizing the hot-pressed battery cell to form the rubberized battery cell.

The cell lamination processing apparatus will be described below with reference to fig. 1 to 9, and in fig. 1 to 7, the first direction L1, the second direction L2, and the third direction L3 may be perpendicular to each other two by two.

As shown in fig. 1 and fig. 2, the lamination post-processing device includes a hot-pressing feeding mechanism 200, the hot-pressing feeding mechanism 200 is disposed on the supporting frame 100, the hot-pressing feeding mechanism 200 includes a first clamping portion and a first driving portion, and the first driving portion is connected with the first clamping portion to drive the first clamping portion to move. Specifically, as shown in fig. 3 and 4, the first driving portion includes a first slide rail 211 (not shown in fig. 3 and 4) extending along a first direction L1, a second slide rail 212 extending along a second direction L2, a third slide rail 213 extending along a third direction L3, a first slider and a first driving motor 214, the first slide rail 211, the second slide rail 212 and the third slide rail 213 are intersected, the number of the first driving motors 214 is three, the first clamping portion is fixedly connected with the third slide rail 213 through the first slider, a first fixing plate 222 is disposed at a lower portion of the third slide rail 213, a first slider is disposed below the first fixing plate 222, the first fixing plate 222 is connected with the first slide rail 211 through the first slider, a first slider is also disposed below the first slide rail 211, the first slide rail 211 is connected with the second slide rail 212 through the slider, the second slide rail 212 is fixed on the supporting frame 100, the first slide rail 211, the second slide rail 212 is fixed on the supporting frame 100, and the first slide rail 211, The second slide rail 212 and the third slide rail 213 are respectively connected to the corresponding first driving motors 214. Thus, when the first driving motor 214 drives the first slide rail 211 to move, the third slide rail 213 and the first clamping portion disposed on the third slide rail 213 are driven to move along the first direction L1, when the second driving motor 414 drives the second slide rail 212 to move, the first slide rail 211, the third slide rail 213 disposed on the first slide rail 211, and the first clamping portion move along the second direction L2, and when the third driving motor drives the third slide rail 213 to move, the first clamping portion disposed on the third slide rail 213 moves along the third direction L3. The first clamping portion includes a first clamping jaw 221, a first cylinder (not shown in fig. 3 and 4), and a first fixing plate 222, the first clamping jaw 221 and the second cylinder are disposed on the first fixing plate 222, and the first fixing plate 222 is connected to the first slider. First clamping jaw 221 is eight, and first clamping jaw 221 extends along first direction L1, and eight first clamping jaw 221 divide into two sets ofly, and two sets of first clamping jaws set up at the interval on third direction L3, and first cylinder can drive first clamping jaw 221 motion, makes the distance increase or reduce between two sets of first clamping jaws 221, and then realizes the centre gripping to electric core. The 4 electric cores of centre gripping simultaneously of clamping part, the length direction of electric core is parallel with second direction L2, and four electric cores set up side by side, and two sets of first clamping jaw 221 set up the both sides in the thickness direction of two electric cores, so, have realized the centre gripping to the electric core behind the lamination.

Further, as shown in fig. 2, the hot pressing feeding mechanism 200 is disposed on one side of the discharge end of the lamination device, the cell lamination device moves to the discharge end of the cell lamination device after completing cell lamination, a distance between two sets of first clamping jaws 221 driven by a first cylinder of the hot pressing feeding mechanism 200 increases, so that the distance between the two sets of first clamping jaws 221 is greater than the width of two cells, then the first clamping jaw 221 is driven by a moving part to move to the position where the cell is located, the distance between the two sets of first clamping jaws 221 driven by the first cylinder is smaller, clamping of the cell is realized, then the first clamping part is driven by the first driving part to move, the cell is moved on the hot pressing mechanism 300, and a hot pressing process is performed.

Preferably, hot pressing feed mechanism 200 is two, and two hot pressing feed mechanism 200 set up along second direction L2 interval, and the discharge end of electric core lamination device can set up between two hot pressing feed mechanism 200, so, guarantee to guarantee the handling speed of electric core.

As shown in fig. 2, the hot pressing mechanism 300 and the hot pressing and feeding mechanism 200 are arranged at intervals along a first direction L1, the hot pressing mechanism 300 can perform hot pressing on the laminated battery cells, the number of the hot pressing mechanisms 300 can be 4, 4 hot pressing mechanisms 300 are arranged at intervals along a second direction L2, and every two hot pressing mechanisms 300 correspond to one hot pressing and feeding mechanism 200. As shown in fig. 5, the hot pressing mechanism 300 includes two hot pressing assemblies 310, the two hot pressing assemblies 310 are arranged at intervals along a third direction L3, each hot pressing assembly 310 can perform hot pressing on two battery cells, so when the hot pressing feeding mechanism 200 carries 4 battery cells to one of the hot pressing mechanisms 300, the two battery cells clamped by the hot pressing feeding mechanism can be clamped by the hot pressing blanking mechanism, then the two battery cells are placed on the hot pressing assembly 310 by the hot pressing blanking mechanism, then the hot pressing feeding mechanism 200 continues to move to the other hot pressing assembly 310, after the remaining two battery cells are clamped by the hot pressing blanking mechanism, the remaining two battery cells are placed on the other hot pressing assembly 310, and then the hot pressing mechanism 300 operates to perform a hot pressing process on the battery cells. In addition, because the hot pressing process time of the battery cell is relatively long, the quantity of the hot pressing mechanisms 300 is greater than that of the hot pressing feeding mechanisms 200, so that the hot pressing efficiency of the battery cell can be ensured, and the production efficiency of the battery cell is further improved.

Preferably, the hot pressing pressure of the hot pressing mechanism is 5T-15T (500MPa-1500MPa), the hot pressing time is 60s-300s, and the hot pressing temperature is 50-200 ℃.

In addition, a hot pressing blanking mechanism 400 is disposed on the opposite side of the hot pressing mechanism from the hot pressing feeding mechanism 200, as shown in fig. 6 and 7, the hot pressing blanking mechanism 400 includes a second clamping portion and a second driving portion, the second driving portion includes a second slider (not shown in fig. 6 and 7), a fourth slide rail 411, a fifth slide rail 412, a sixth slide rail 413, and three second driving motors 414 respectively corresponding to the fourth slide rail 411, the fifth slide rail 412, and the sixth slide rail 413, the second clamping portion is fixedly connected to the sixth slide rail 413 through the second slider, a second fixing plate 422 is disposed at the lower portion of the sixth slide rail 413, a second slider is disposed below the second fixing plate 422, the second fixing plate 422 is connected to the fourth slide rail 411 through the second slider, a second slider is also disposed below the fourth slide rail 411, the fourth slide rail 411 is connected to the fifth slide rail 412 through the slider, the fifth slide rail 412 is fixed to the support frame 100, and the second driving motor 414 drives the fourth slide rail 411, the fifth slide rail 412, and the sixth slide rail 413 to move, so as to drive the second clamping portion and the thermally pressed battery cell clamped on the second clamping portion to move in the first direction L1, the third direction L3, or the second direction L2, so as to move out the thermally pressed battery cell. The second clamping part comprises a second clamping jaw 421, a second air cylinder and a second fixing plate 422, the second clamping jaw 421 and the second air cylinder are fixed on the second fixing plate 422, and the second fixing plate 422 is connected with the second sliding block. Second clamping jaw 421 is 4, and four second clamping jaws 421 divide into two sets of second clamping jaws 421 that the interval set up on second direction L2, includes two second clamping jaws 421 that set up along third direction L3 interval in every set of second clamping jaw 421, and the second cylinder can drive the distance increase between two sets of second clamping jaws 421 or reduce, and then to the centre gripping of the electric core after the hot pressing, but two electric cores of centre gripping at every turn of second clamping part. The number of the hot pressing blanking mechanisms 400 is two, and the two hot pressing blanking mechanisms 400 are arranged on the support 100 at intervals along the second direction L2.

In addition, the second driving portion further includes a rotary cylinder (not shown in fig. 6 and 7), the rotary cylinder can drive the second fixing plate 422 to rotate 180 degrees, and then drive the second clamping jaw 421 to rotate, so that the electric core clamped on the second clamping jaw 421 moves to the rubberizing platform 510, so that the second driving portion drives the second clamping portion to move in the first direction L1, the second direction L2 and the third direction L3, so as to move the electric core out of the hot pressing mechanism, and then the rotary cylinder drives the second fixing plate 422 to rotate 180 degrees, and then the rubberizing platform 510 moves the electric core after hot pressing, so as to rubberize the electric core after hot pressing.

Preferably, the width of the rubberized tape is 10mm-20mm, and the error of the rubberizing positions 810 is ± 3 mm.

As shown in fig. 2, the battery cell lamination processing apparatus further includes a fixing platform 500, the fixing platform 500 is fixed on the support frame 100, the adhesive applying platform 510 is disposed on the fixing platform 500, the adhesive applying mechanisms 520 are disposed on two sides of the adhesive applying platform 510, the battery cell after hot pressing is moved to the adhesive applying platform 510 by the hot pressing blanking mechanism 400, and the adhesive applying mechanisms 520 on two sides apply adhesive to the battery cell. Specifically, as shown in fig. 8, the rubberizing positions 810 of the battery cell 800 are configured such that the rubberizing assemblies apply adhesive tapes to positions of both ends of the battery cell 800 in the longitudinal direction, where tabs need to be attached.

In addition, this electric core lamination processingequipment is still including pasting two-dimensional code mechanism 530 and unloading manipulator 600, paste the tip that two-dimensional code mechanism 530 set up at fixed platform 500, unloading manipulator 600 can remove the electric core after the rubberizing to pasting two-dimensional code mechanism 530 department, paste two-dimensional code mechanism 530 and can be with the surface of pasting at the electric core of the sticky tape that has the two-dimensional code, as shown in fig. 8, the operation of pasting the two-dimensional code is being accomplished to electric core 800's two-dimensional code position 820, unloading manipulator 600 shifts out the electric core from operation platform.

The utility model provides an electric core lamination processingequipment is at the in-process of operation, electric core transport to hot pressing mechanism on hot pressing feed mechanism 200 is with electric core lamination device's the discharge end, later carry out the hot pressing to electric core through hot pressing mechanism, after the hot pressing is accomplished, hot pressing unloading mechanism 400 moves electric core to rubberizing platform 510, rubberizing mechanism 520 carries out the rubberizing operation to electric core, later unloading manipulator 600 carries electric core to two-dimensional code mechanism 530 department of subsides, it pastes the two-dimensional code operation to electric core to paste two-dimensional code mechanism 530, after accomplishing the operation of subsides two-dimensional code, unloading manipulator 600 snatchs the unloading with electric core, accomplish the hot pressing to electric core from this, rubberizing and the technology of subsides two-dimensional code.

According to another aspect of the present application, a battery cell production apparatus is provided, which includes the battery cell lamination processing device and the lamination device, as shown in fig. 9, the lamination device includes a positive plate supply mechanism 711 and a negative plate supply mechanism 712 arranged side by side, the positive plate supply mechanism 711 supplies a positive plate, the negative plate supply mechanism 712 supplies a negative plate, one side of the positive plate is provided with a first cutting mechanism 740, and the first cutting mechanism 740 cuts the positive plate into a plurality of positive unit pieces. One side of the negative electrode sheet is provided with a second cutting mechanism 750, the second cutting mechanism 750 cuts the negative electrode sheet into a plurality of negative electrode sheets, two sides of the plurality of negative electrode sheet units are provided with a first diaphragm supply mechanism 720 and a second diaphragm supply mechanism 730, the first diaphragm supply mechanism 720 supplies a first diaphragm, the second diaphragm supply mechanism 730 supplies a second diaphragm, two sides of the plurality of negative electrode sheets are coated by the first diaphragm and the second diaphragm, then the thermal compounding mechanism 770 can roll the first diaphragm, the second diaphragm and the plurality of negative electrode sheets into an integrally formed continuous negative electrode unit sheet, the continuous negative electrode unit sheet is cut by a third cutting mechanism 760, the first diaphragm and the second diaphragm are cut to form a plurality of negative electrode unit sheets in the form of bag-making units, in the negative electrode unit piece, the lengths of the first diaphragm and the second diaphragm are the same, and the length of the first diaphragm is 1.01-1.08 times of the length of the battery core. Preferably, the thermal composite structure is a thermal composite roll, and the first cutting mechanism 740, the second cutting mechanism 750, and the third cutting mechanism 760 may be cutting blades.

In addition, the lamination apparatus further includes a carrying assembly (not shown in the figure), the carrying assembly includes a first carrying mechanism and a second carrying mechanism, the first carrying mechanism can absorb a plurality of positive electrode unit pieces simultaneously, the second carrying mechanism can absorb negative electrode unit pieces with the same number as the positive electrode unit pieces, the first carrying mechanism and the second carrying mechanism respectively transport the positive electrode unit pieces and the negative electrode unit pieces to a lamination station 790, the negative electrode unit pieces and the positive electrode unit pieces with the same number are laminated into a battery unit on the lamination station, and the laminated structure is as shown in fig. 10, wherein the negative electrode unit pieces 840 and the positive electrode unit pieces 830 are alternately laminated, and the negative electrode unit pieces 840 and the positive electrode unit pieces 830 can be selected according to requirements, for example, 81 layers of negative electrode unit pieces and 80 layers of positive electrode unit pieces are alternately laminated on the lamination station 790. The lamination stage 790 is provided at both sides with a deviation correcting mechanism 780, and the deviation correcting mechanism 780 can align a plurality of cathode chips with a plurality of anode chips.

Further, the discharge end of lamination device is removed to the electric core that obtains after the lamination is accomplished, and then carries out hot pressing, rubberizing and the technology of pasting the two-dimensional code through electric core lamination processingequipment to form electric core, later can make into battery module and battery package with electric core, use with the loading.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A battery cell lamination processing device is characterized by comprising a support frame, a hot-pressing feeding mechanism, a hot-pressing blanking mechanism and a rubberizing mechanism, wherein the hot-pressing feeding mechanism, the hot-pressing blanking mechanism and the rubberizing mechanism are sequentially arranged on the support frame along a first direction,

the hot-pressing feeding mechanism conveys the laminated battery cell to the hot-pressing mechanism;

the hot-pressing mechanism carries out hot pressing on the laminated battery cell to form a hot-pressed battery cell;

the hot-pressing blanking mechanism carries the hot-pressed battery cell to a rubberizing mechanism;

and the rubberizing mechanism is used for rubberizing the hot-pressed battery cell to form the rubberized battery cell.

2. The battery cell lamination processing device according to claim 1, wherein the hot-pressing feeding mechanism includes a first clamping portion and a first driving portion, the first driving portion is disposed on the support frame, the first driving portion is connected to the first clamping portion, the first clamping portion is configured to clamp the battery cell after lamination, and the first driving portion drives the first clamping portion to move.

3. The cell lamination processing apparatus of claim 1, wherein the laminated cell is processed and formed by a lamination device,

the hot pressing feed mechanism is two, two hot pressing feed mechanism sets up along the second direction interval, the discharge end of lamination device set up in two between the hot pressing feed mechanism, first direction with the second direction is perpendicular.

4. The cell lamination processing apparatus according to claim 3, wherein the cell lamination processing apparatus includes a plurality of hot pressing mechanisms, and the plurality of hot pressing mechanisms are disposed at intervals on the support frame along the second direction.

5. The battery cell lamination processing device according to claim 1, wherein the hot-pressing blanking mechanism includes a second clamping portion and a second driving portion, the second driving portion is disposed on the support frame, the second clamping portion is used for clamping the hot-pressed battery cell, and the second driving portion is connected to the second clamping portion to drive the second clamping portion to move and rotate.

6. The battery cell stack processing apparatus according to claim 1, further comprising a fixing platform fixed to the supporting frame, wherein the hot-pressing blanking mechanism is disposed between the hot-pressing mechanism and the fixing platform,

the fixed platform is provided with a rubberizing platform and a rubberizing mechanism, and the two sides of the rubberizing platform are respectively provided with the rubberizing mechanism.

7. The battery cell lamination processing device of claim 6, further comprising a two-dimension code pasting mechanism, wherein the two-dimension code pasting mechanism is arranged on the fixing platform, and the two-dimension code pasting mechanism pastes a two-dimension code on the battery cell after the battery cell lamination is pasted with the glue.

8. The battery cell lamination processing device according to claim 7, further comprising a discharging manipulator, wherein the discharging manipulator is fixed to the support frame, and is configured to move the glued battery cell to the two-dimensional code pasting mechanism,

after the two-dimensional code is pasted on the battery cell after the rubberizing, the battery cell pasted with the two-dimensional code is moved out from the rubberizing platform by the blanking manipulator.

9. A battery cell production apparatus, characterized in that the battery cell production apparatus comprises the battery cell lamination processing apparatus according to any one of claims 1 to 8 and a lamination apparatus, wherein the lamination apparatus is used for stacking positive plates and negative plates to form the laminated battery cell.

10. The cell production apparatus of claim 9, wherein the lamination device comprises a positive plate supply mechanism, a negative plate supply mechanism, a first diaphragm supply mechanism, a second diaphragm supply mechanism, a first cutting mechanism, a second cutting mechanism, a third cutting mechanism, a thermal compounding mechanism, a deviation correction mechanism, a carrying assembly, and a lamination table,

the positive plate supply mechanism can supply a positive plate, the first cutting mechanism is arranged at the downstream side of the positive plate supply mechanism, and the first cutting mechanism cuts the positive plate to form a plurality of positive unit plates;

the negative electrode sheet supply mechanism can supply negative electrode sheets, the second cutting mechanism is arranged at the downstream side of the negative electrode sheet supply mechanism, and the second cutting mechanism cuts the negative electrode sheets to form a plurality of negative electrode sheets;

the first separator supply mechanism and the second separator supply mechanism are respectively arranged on two sides of the plurality of negative electrode sheets, the first separator supply mechanism supplies a first separator, and the second separator supply mechanism can supply a second separator so that two sides of the plurality of negative electrode sheets are covered by the first separator and the second separator;

the thermal compounding mechanism can thermally compound the first diaphragm and the second diaphragm with the plurality of negative electrode sheets respectively to obtain continuous negative electrode unit sheets;

the third cutting mechanism is arranged on the downstream side of the thermal compound mechanism and is used for cutting the first diaphragm and the second diaphragm to obtain a plurality of negative electrode unit pieces, the lengths of the first diaphragm and the second diaphragm in any one of the negative electrode unit pieces are the same, and the length of the first diaphragm is 1.01-1.08 times of the length of the battery core;

the carrying assembly carries the positive electrode unit slices and the negative electrode unit slices to the lamination table, and the negative electrode unit slices and the positive electrode unit slices are alternately laminated on the lamination table to obtain a battery core;

the deviation rectifying mechanisms are arranged on two sides of the laminating table so as to align the plurality of negative electrode unit slices and the plurality of positive electrode unit slices.

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