CN212277282U - Pole piece forming device and battery core production system - Google Patents
Pole piece forming device and battery core production system Download PDFInfo
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- CN212277282U CN212277282U CN202021553190.7U CN202021553190U CN212277282U CN 212277282 U CN212277282 U CN 212277282U CN 202021553190 U CN202021553190 U CN 202021553190U CN 212277282 U CN212277282 U CN 212277282U
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- pole piece
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model discloses a pole piece forming device and electric core production system relates to battery production technical field. The pole piece forming device comprises a controller, a conveying mechanism, a cutting mechanism, a forming mechanism and a traction mechanism, wherein the conveying mechanism, the cutting mechanism and the forming mechanism are sequentially arranged in a first horizontal direction, the conveying mechanism is used for clamping and conveying composite unit pole pieces along the first horizontal direction, the traction mechanism is used for clamping the composite unit pole pieces output by the conveying mechanism and traction along the first horizontal direction, the controller is electrically connected with the cutting mechanism and the traction mechanism, the controller is used for controlling the cutting mechanism to cut off the composite unit pole pieces when the traction mechanism pulls the composite unit pole pieces to move for a preset distance, and meanwhile, the traction mechanism is controlled to release the clamping of the composite unit pole pieces, so that the composite unit pole pieces of a cut-off part fall under the action of gravity to complete primary folding on the forming mechanism. The utility model provides a pole piece forming device has promoted lamination speed and has reduced the energy consumption.
Description
Technical Field
The utility model relates to a battery production technical field particularly, relates to a pole piece forming device and electric core production system.
Background
At present, in the preparation process of a lithium ion battery, a used pole piece forming device mainly comprises two devices of free lamination and Z-shaped lamination, the free lamination mainly carries out stacking of single pole pieces through a mechanical arm, the efficiency is low, and high-speed lamination cannot be realized. The Z-shaped lamination mechanism has large self mass and higher energy consumption in the process of moving left and right. Both lamination devices have difficulty meeting the requirements of battery preparation.
Therefore, a pole piece forming device is needed to improve the lamination efficiency and reduce the energy consumption.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pole piece forming device, it can improve lamination efficiency to can reduce the energy consumption.
Another object of the utility model is to provide an electricity core production system, it can improve lamination efficiency to can reduce the energy consumption.
The utility model provides a technical scheme:
a pole piece forming device comprises a controller, a conveying mechanism, a cutting mechanism, a forming mechanism and a drawing mechanism, wherein the conveying mechanism, the cutting mechanism and the forming mechanism are sequentially arranged in a first horizontal direction, the conveying mechanism is used for clamping a composite unit pole piece and conveying the composite unit pole piece along the first horizontal direction, the drawing mechanism is used for clamping the composite unit pole piece output by the conveying mechanism and drawing the composite unit pole piece along the first horizontal direction, the controller is respectively electrically connected with the cutting mechanism and the drawing mechanism, the controller is used for controlling the cutting mechanism to cut off the composite unit pole piece and simultaneously controlling the drawing mechanism to release the clamping of the composite unit pole piece when the drawing mechanism draws the composite unit pole piece to a preset distance, so that the composite unit pole piece of the cut-off part falls down on the forming mechanism under the action of gravity to finish primary folding.
Further, the forming mechanism is arranged vertically below a movement path of the drawing mechanism, the forming mechanism is vertically and upwardly convexly provided with a plurality of supporting claws, the supporting claws are arranged at intervals along the first horizontal direction, when the composite unit pole piece of the cut-off part falls on the forming mechanism under the action of gravity, each supporting claw jacks up a connecting gap between adjacent unit pole pieces on the composite unit pole piece of the cut-off part, and two adjacent unit pole pieces are folded in a gap defined by two adjacent supporting claws.
Furthermore, each support claw can be close to or far away from each other, the controller is also electrically connected with the forming mechanism, and the controller is also used for controlling the support claws to move close to each other to fold and form the composite unit pole piece at the cut-off part after the composite unit pole piece falls on the forming mechanism under the action of gravity and primary folding is completed.
Further, the end of the supporting claw is arranged in a chamfer.
Further, the surface of the supporting claw is provided with an anti-sticking layer.
Furthermore, the traction mechanism comprises a clamping jaw and a traction driving piece, the traction driving piece is connected with the clamping jaw and electrically connected with the controller, the traction driving piece is used for driving the clamping jaw to clamp or release the clamping of the composite unit pole piece, and the traction driving piece is also used for driving the clamping jaw to move.
Further, conveying mechanism includes first conveyer belt and second conveyer belt, first conveyer belt set up in the vertical top of second conveyer belt, first conveyer belt with the second conveyer belt is used for centre gripping jointly and carries the compound unit pole piece.
Furthermore, the first conveying belt and the second conveying belt are respectively provided with a heating device for heating the composite unit pole pieces in the process of clamping and conveying the composite unit pole pieces.
Further, the outer surfaces of the first conveying belt and the second conveying belt are respectively provided with an anti-sticking layer.
The utility model also provides an electricity core production system, include pole piece forming device, pole piece forming device include controller, conveying mechanism, cutting mechanism, forming mechanism and traction mechanism, conveying mechanism, cutting mechanism reaches the forming mechanism arranges in proper order on the first horizontal direction, conveying mechanism is used for the centre gripping compound unit pole piece and follows the first horizontal direction is carried compound unit pole piece, traction mechanism is used for the centre gripping by conveying mechanism output compound unit pole piece, and follows the first horizontal direction traction compound unit pole piece motion, the controller respectively with cutting mechanism reaches the traction mechanism electricity is connected, the controller is used for when traction mechanism draws compound unit pole piece motion preset distance, control cutting mechanism cuts off compound unit pole piece, and then controlling the traction mechanism to release clamping of the composite unit pole piece, so that the composite unit pole piece at the cut-off part falls on the forming mechanism under the action of gravity to complete primary folding.
Compared with the prior art, the utility model provides a pole piece forming device, controller when the distance is predetermine in the motion of the compound unit pole piece of traction mechanism tractive, the control cuts the mechanism and cuts off compound unit pole piece, and the centre gripping is removed to compound unit pole piece to the mechanism of controlling traction again to make the compound unit pole piece that cuts off the part drop under the action of gravity and accomplish preliminary folding on forming mechanism. In practical application, the composite unit pole pieces of the cutting part are integrally and preliminarily folded under the action of gravity, the composite unit pole pieces of the whole cutting part are simultaneously folded, and the lamination process is finished under the action of gravity of the composite unit pole pieces, so that no energy is consumed. Therefore, the utility model provides a pole piece forming device's beneficial effect includes: the lamination speed is improved, and the energy consumption is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.
Fig. 1 is a schematic structural diagram of a pole piece forming device according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a composite unit pole piece with a cut-out portion being initially folded on the forming mechanism of FIG. 1;
fig. 3 is a schematic structural diagram of a composite unit pole piece of a cut part which is folded and formed on the forming mechanism in fig. 1.
Icon: 100-pole piece forming device; 110-a conveying mechanism; 111-a first conveyor belt; 113-a second conveyor belt; 130-a cutting mechanism; 150-a forming mechanism; 151-support jaws; 152-a notch; 170-pulling mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
First embodiment
Referring to fig. 1, the pole piece forming device 100 provided in this embodiment is used in a lamination process in a battery preparation process, and the pole piece forming device 100 increases the lamination speed and reduces energy consumption.
The pole piece forming device 100 provided in this embodiment includes a controller (not shown in the figure), a conveying mechanism 110, a cutting mechanism 130, a forming mechanism 150, and a drawing mechanism 170, wherein the conveying mechanism 110, the cutting mechanism 130, and the forming mechanism 150 are sequentially arranged in a first horizontal direction, the conveying mechanism 110 is configured to clamp the composite unit pole pieces and convey the composite unit pole pieces along the first horizontal direction, and the drawing mechanism 170 is configured to clamp the composite unit pole pieces output by the conveying mechanism 110 and draw the composite unit pole pieces to move along the first horizontal direction.
It can be understood that the composite unit pole piece comprises a diaphragm, a plurality of positive plates and a plurality of negative plates which are bonded together, the positive plates and the negative plates are correspondingly bonded on the diaphragm, one positive plate and one negative plate and the corresponding diaphragm section form one unit pole piece, namely, the composite unit pole piece is provided with a plurality of unit pole pieces at intervals.
The controller is respectively electrically connected with the cutting mechanism 130, the drawing mechanism 170 and the forming mechanism 150, and is used for controlling the cutting mechanism 130 to cut off the composite unit pole pieces when the drawing mechanism 170 draws the composite unit pole pieces to move for a preset distance, and simultaneously controlling the drawing mechanism 170 to remove clamping of the composite unit pole pieces, so that the composite unit pole pieces at the cut-off part fall on the forming mechanism 150 under the action of gravity to complete primary folding. After the composite unit pole pieces of the cutting-off part fall on the forming mechanism 150 and are primarily folded, the controller controls the forming mechanism 150 to act, so that the forming mechanism 150 drives the primarily folded composite unit pole pieces to be folded and formed.
The forming mechanism 150 is disposed vertically below the movement path of the drawing mechanism 170, the forming mechanism 150 is vertically and upwardly protruded with a plurality of supporting claws 151, and the supporting claws 151 are arranged at intervals along a first horizontal direction. When the composite unit pole pieces of the cut-off portion fall on the forming mechanism 150 under the action of gravity, each support claw 151 jacks up a connection gap between adjacent unit pole pieces on the composite unit pole pieces of the cut-off portion, and two adjacent unit pole pieces are folded in a gap 152 defined between two adjacent support claws 151.
In practical application, the drawing mechanism 170 clamps the unit pole pieces at the end of the composite unit pole piece at the output end of the conveying mechanism 110 and moves along the first horizontal direction. In the moving process, the drawing mechanism 170 feeds back the moving data to the controller in real time, the controller can monitor the moving distance of the drawing mechanism 170 in the first horizontal direction in real time, when the controller monitors that the drawing mechanism 170 moves in the first horizontal direction to reach a preset distance, the unit pole pieces clamped by the drawing mechanism 170 just exceed the supporting claws 151 on the forming mechanism 150, which are located at the end parts in the first direction, each supporting claw 151 on the forming mechanism 150 corresponds to a connecting gap between multiple groups of adjacent unit pole pieces, and a gap 152 enclosed between two adjacent supporting claws 151 corresponds to two adjacent unit pole pieces. At this time, the controller controls the cutting mechanism 130 to cut the position of the composite unit pole piece at the output end of the conveying mechanism 110, and controls the drawing mechanism 170 to release the clamping of the composite unit pole piece, so that the composite unit pole piece at the cut part falls on the forming mechanism 150 under the action of gravity.
Referring to fig. 2, the composite unit pole pieces of the cut portion fall on the forming mechanism 150, the supporting claws 151 jack up the corresponding connecting gaps on the composite unit pole pieces of the cut portion, and two adjacent unit pole pieces are folded in the gaps 152 defined between two adjacent supporting claws 151. Therefore, the cut composite unit pole pieces are zigzag on the forming mechanism 150, each unit pole piece is used as a turning unit, and the composite unit pole pieces are primarily folded.
In this embodiment, the number of the supporting claws 151 arranged on the forming mechanism 150 in a protruding manner is four, and the number of the unit pole pieces on the composite unit pole piece which can be folded primarily is eight, and in other embodiments, the number of the supporting claws 151 is arranged through adjustment, so that the primary folding of the composite unit pole pieces with different lengths can be realized.
Referring to fig. 3, the plurality of support claws 151 disposed on the forming mechanism 150 can be close to or away from each other, and when the composite unit pole piece at the cut-off portion is primarily folded on the forming mechanism 150, the controller is further configured to control the plurality of support claws 151 to move close to each other to fold and form the composite unit pole piece at the cut-off portion. In practical applications, when the plurality of supporting claws 151 approach each other, two adjacent supporting claws 151 clamp two unit pole pieces in the gap 152 between the two supporting claws 151, so that the two unit pole pieces gradually approach each other until the composite unit pole piece at the cut-off portion is folded and formed.
In this embodiment, the plurality of support claws 151 are driven by motors, and each motor is electrically connected to the controller. In order to prevent the supporting claws 151 from scratching the pole pieces, the ends of the supporting claws 151 are chamfered, and the surfaces of the supporting claws 151 are provided with anti-sticking layers.
The traction mechanism 170 includes a clamping jaw and a traction driving member, the traction driving member is connected to the clamping jaw and electrically connected to the controller, the traction driving member is used for driving the clamping jaw to clamp or unclamp the composite unit pole piece, and the traction driving member is also used for driving the clamping jaw to move.
In this embodiment, the traction driving member includes a clamping motor for driving the clamping jaw to contract and relax, and a traction motor for driving the clamping jaw to move in the first horizontal direction, the clamping motor is connected with the clamping jaw, the traction motor is connected with the clamping motor, the clamping motor and the traction motor are both electrically connected with the controller, and the traction motor feeds back the number of rotating turns to the control, so that the controller monitors the movement distance of the traction mechanism 170 in the first horizontal direction.
The conveying mechanism 110 includes a first conveying belt 111 and a second conveying belt 113, the first conveying belt 111 is disposed vertically above the second conveying belt 113, and the first conveying belt 111 and the second conveying belt 113 are used for clamping and conveying the composite unit pole pieces together.
In this embodiment, the first conveying belt 111 is provided with a linear motor extending in the vertical direction, and the linear motor is configured to push the first conveying belt 111 to abut against the second conveying belt 113 in the vertical direction, so as to clamp the composite unit pole piece by the first conveying belt 111 and the second conveying belt 113. One of the first conveyor belt 111 and the second conveyor belt 113 actively rotates, the other one passively rotates, the rotation directions of the first conveyor belt 111 and the second conveyor belt 113 are opposite, and the first conveyor belt 111 and the second conveyor belt 113 rotate in a state of clamping the composite unit pole piece, so that the composite unit pole piece is conveyed along the first horizontal direction.
In order to ensure the stable adhesion between the diaphragm and the positive and negative electrode plates, in this embodiment, the first conveyor belt 111 and the second conveyor belt 113 are respectively provided with a heating device for heating the composite unit electrode plates in the process of clamping and conveying the composite unit electrode plates. The heating action of the heating device enables the diaphragm to be partially melted in the conveying process, so that the positive and negative plates are firmly bonded.
In addition, in order to prevent the diaphragm and the positive and negative electrode plates from being adhered to the first conveyor belt 111 or the second conveyor belt 113, in this embodiment, anti-adhesion layers are respectively disposed on the outer surfaces of the first conveyor belt 111 and the second conveyor belt 113.
In practical application, the pole piece forming device 100 provided in this embodiment, through the horizontal arrangement of the conveying mechanism 110, the cutting mechanism 130, the forming mechanism 150, and the drawing mechanism 170, and through the cooperative control of the controller, realizes that the primary folding of the composite unit pole pieces is completed by using gravity, realizes energy-consumption-free lamination, and cuts off the one-step forming of the composite unit pole pieces at a part, and has extremely high efficiency.
Therefore, the pole piece forming device 100 provided by the embodiment improves the lamination speed and reduces the lamination energy consumption.
Second embodiment
The embodiment provides a battery cell production system, which includes the pole piece forming device 100 provided in the first embodiment, and the pole piece forming device 100 realizes primary folding of the composite unit pole pieces by using gravity through horizontal arrangement of the conveying mechanism 110, the cutting mechanism 130, the forming mechanism 150 and the drawing mechanism 170 and cooperative control of the controller, so that energy-consumption-free lamination is realized, one-step forming of the composite unit pole pieces at the cutting part is realized, and the efficiency is extremely high.
Therefore, the cell production system provided by the embodiment has higher lamination efficiency and lower energy consumption.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A pole piece forming device is characterized by comprising a controller, a conveying mechanism, a cutting mechanism, a forming mechanism and a drawing mechanism, wherein the conveying mechanism, the cutting mechanism and the forming mechanism are sequentially arranged in a first horizontal direction, the conveying mechanism is used for clamping composite unit pole pieces and conveying the composite unit pole pieces along the first horizontal direction, the drawing mechanism is used for clamping the composite unit pole pieces output by the conveying mechanism and drawing the composite unit pole pieces along the first horizontal direction, the controller is respectively electrically connected with the cutting mechanism and the drawing mechanism, the controller is used for controlling the cutting mechanism to cut off the composite unit pole pieces when the drawing mechanism draws the composite unit pole pieces to move for a preset distance, and simultaneously controlling the drawing mechanism to release clamping of the composite unit pole pieces, so that the composite unit pole piece of the cut-off part falls down on the forming mechanism under the action of gravity to finish primary folding.
2. The pole piece forming device according to claim 1, wherein the forming mechanism is disposed vertically below a moving path of the drawing mechanism, the forming mechanism is provided with a plurality of support claws protruding vertically upward, the plurality of support claws are arranged at intervals along the first horizontal direction, when the composite unit pole piece of the cut-off portion falls on the forming mechanism under the action of gravity, each support claw jacks up a connecting gap between adjacent unit pole pieces on the composite unit pole piece of the cut-off portion, and two adjacent unit pole pieces are folded in a gap defined between two adjacent support claws.
3. The pole piece forming device according to claim 2, wherein each of the support claws can move close to or away from each other, the controller is further electrically connected with the forming mechanism, and the controller is further configured to control the support claws to move close to each other to fold and form the composite unit pole piece at the cut-off portion after the composite unit pole piece at the cut-off portion falls down on the forming mechanism under the action of gravity to complete preliminary folding.
4. The pole piece forming device of claim 2, wherein the ends of the support claws are chamfered.
5. The pole piece molding apparatus of claim 2, wherein the surface of the support claw is provided with an anti-sticking layer.
6. The pole piece forming device according to claim 1, wherein the drawing mechanism comprises a clamping jaw and a drawing driving member, the drawing driving member is connected with the clamping jaw and electrically connected with the controller, the drawing driving member is used for driving the clamping jaw to clamp or unclamp the composite unit pole piece, and the drawing driving member is also used for driving the clamping jaw to move.
7. The pole piece forming device of claim 1, wherein the conveying mechanism comprises a first conveying belt and a second conveying belt, the first conveying belt is disposed vertically above the second conveying belt, and the first conveying belt and the second conveying belt are used for jointly clamping and conveying the composite unit pole piece.
8. The pole piece forming device according to claim 7, wherein the first conveyor belt and the second conveyor belt are respectively provided with a heating device for heating the composite unit pole piece during clamping and conveying the composite unit pole piece.
9. The pole piece forming device of claim 8, wherein an anti-sticking layer is disposed on the outer surface of each of the first conveyor belt and the second conveyor belt.
10. A cell production system, comprising a pole piece forming apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021553190.7U CN212277282U (en) | 2020-07-30 | 2020-07-30 | Pole piece forming device and battery core production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021553190.7U CN212277282U (en) | 2020-07-30 | 2020-07-30 | Pole piece forming device and battery core production system |
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| Publication Number | Publication Date |
|---|---|
| CN212277282U true CN212277282U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021553190.7U Active CN212277282U (en) | 2020-07-30 | 2020-07-30 | Pole piece forming device and battery core production system |
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| CN (1) | CN212277282U (en) |
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- 2020-07-30 CN CN202021553190.7U patent/CN212277282U/en active Active
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