Solid-state battery stacking equipment

Abstract

This utility model relates to a solid-state battery stacking device, including a stacking table, a correction table, and a stacking robot. The stacking table and the correction table are spaced apart along a first direction and can move back and forth synchronously along the first direction. The material for stacking is first transferred to the correction table, and after correction is completed on the correction table, the stacking robot transfers it to the stacking table for stacking. The stacking robot needs to move back and forth between the correction table and the stacking table multiple times to continuously transfer the material to the stacking table. Since both the stacking table and the correction table can move back and forth along the first direction, and the stacking robot can also move back and forth along the first direction, during the stacking process, the stacking table and the correction table can move in the opposite direction relative to the stacking robot along the first direction. In this way, the travel distance required for the stacking robot to move back and forth between the correction table and the stacking table will be significantly shortened. Therefore, the cycle time of the above-mentioned solid-state battery stacking device for performing the stacking operation will be improved, thus significantly improving the stacking efficiency.

Description

Technical Field

[0001] This utility model relates to the field of battery equipment technology, and in particular to a solid-state battery stacking device. Background Technology

[0002] In the manufacturing process of solid-state battery cells, assembly must be carried out according to a specific stacking sequence. Specifically, for a particular process, a PET film is first laid on the stacking table as a substrate. Then, the negative electrode frame composite sheet, the positive electrode sheet, and another negative electrode sheet are stacked sequentially. Finally, another PET film is placed on top to complete the encapsulation. During this process, the PET film, negative electrode frame composite sheet, positive electrode sheet, and negative electrode sheet all require independent alignment, positioning, and loading operations. Therefore, the stacking robot needs to move back and forth between different positions to handle various materials, resulting in low stacking efficiency. Utility Model Content

[0003] Therefore, it is necessary to provide a solid-state battery stacking device that can significantly improve stacking efficiency to address the above problems.

[0004] A solid-state battery stacking device includes a stacking table, a straightening table, and a stacking robot; the stacking table and the straightening table are spaced apart along a first direction, and the stacking table and the straightening table can reciprocate synchronously along the first direction; the stacking robot can reciprocate along the first direction.

[0005] In one embodiment, the stacking robot is capable of relative movement with the stacking table and the straightening table.

[0006] In one embodiment, two correction stations are provided, and the two correction stations are respectively located on both sides of the stacking stage along the first direction.

[0007] In one embodiment, two stacking robots are provided, and the two stacking robots are spaced apart along the first direction.

[0008] In one embodiment, when one of the stacking robots moves above the stacking table, the other stacking robot moves above one of the straightening tables.

[0009] In one embodiment, a first conveyor line and a second conveyor line are further included, the first conveyor line and the second conveyor line being spaced apart along the first direction, and the stacking table and the correction table being located between the first conveyor line and the second conveyor line.

[0010] In one embodiment, the first conveyor line has a first deflection section at one end near the stacking table and the correction table, the first deflection section being able to deflect the conveying direction by 90 degrees to be parallel to the first direction; the second conveyor line has a second deflection section at one end near the stacking table and the correction table, the second deflection section being able to deflect the conveying direction by 90 degrees to be parallel to the first direction.

[0011] In one embodiment, the stacking table is provided with the correction table on both sides along the first direction. The solid-state battery stacking equipment also includes a first transfer mechanism and a second transfer mechanism. The first transfer mechanism can transfer the material on the first conveyor line to the correction table on one side of the stacking table, and the second transfer mechanism can transfer the material on the second conveyor line to the correction table on the other side of the stacking table.

[0012] In one embodiment, a first material bin and a second material bin are provided between the first conveyor line and the second conveyor line. The first transfer mechanism can transfer the material on the first material bin to the correction table on one side of the stacking table, and the second transfer mechanism can transfer the material on the second material bin to the correction table on the other side of the stacking table.

[0013] In one embodiment, a first waste bin and a second waste bin are provided between the first conveyor line and the second conveyor line. The first transfer mechanism can transfer the material on the first conveyor line to the first waste bin, and the second transfer mechanism can transfer the material on the second conveyor line to the second waste bin.

[0014] In one embodiment, the system further includes a feeding conveyor and a feeding robot, the feeding robot being movable between the stacking table and the feeding conveyor.

[0015] In the aforementioned solid-state battery stacking equipment, the materials for stacking are first transferred to a alignment table, where they are aligned. After alignment, a stacking robot transfers them to a stacking table for stacking. The stacking robot needs to move back and forth between the alignment table and the stacking table multiple times to continuously transfer the materials. Since both the stacking table and the alignment table can reciprocate in a first direction, and the stacking robot can also reciprocate in the first direction, during the stacking process, the stacking table and the alignment table can move in the opposite direction relative to the stacking robot in the first direction. This significantly shortens the travel distance required for the stacking robot to travel back and forth between the alignment table and the stacking table. Therefore, the cycle time of the stacking operation in the aforementioned solid-state battery stacking equipment is increased, thus significantly improving stacking efficiency. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of a solid-state battery stacking device in one embodiment of the present invention;

[0018] Figure 2 for Figure 1 The diagram shows the relative positions of the stacking table, the alignment table, and the stacking robot in the solid-state battery stacking equipment. Detailed Implementation

[0019] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0020] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0022] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0023] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0024] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0025] Please see Figure 1 and Figure 2 In one embodiment of the present invention, the solid-state battery stacking device 100 includes a stacking table 110, a correction table 120, and a stacking robot 130.

[0026] The stacking stage 110 can be made of metal or marble, offering high stability. Furthermore, the stacking stage 110 has a flat bearing surface, capable of supporting the materials required for processing solid-state battery cells. Specifically, these materials may include PET film, negative electrode frame composite sheet, positive electrode sheet, and negative electrode sheet. The negative electrode frame composite sheet is pre-laminated from the negative electrode sheet and the frame, with the frame extending along the edge of the negative electrode sheet. In one stacking process, a layer of PET film is first laid on the stacking stage 110 as a substrate. Then, the negative electrode frame composite sheet and the positive electrode sheet are sequentially stacked on the stacking stage 110 until a predetermined number of layers are reached. Afterward, another negative electrode sheet is placed on top, and finally, a final layer of PET film is placed on top to complete the encapsulation.

[0027] The materials involved in different lamination processes also differ. For example, the aforementioned materials may also include PET film, positive electrode frame composite sheet, negative electrode sheet, and positive electrode sheet. The positive electrode frame composite sheet is pre-laminated from the positive electrode sheet and the frame. During the lamination process, a layer of PET film is first laid on the lamination stage 110 as a substrate. Then, the positive electrode frame composite sheet and the negative electrode sheet are sequentially stacked on the lamination stage 110. After reaching the preset number of layers, another layer of positive electrode sheet is covered, and finally, a layer of PET film is placed on top to complete the encapsulation.

[0028] Materials are typically first transferred to the alignment table 120. After alignment is completed on the alignment table 120, they are then sequentially transferred by the stacking robot 130 to the stacking table 110 for stacking. The stacking table 110 and the alignment table 120 are spaced apart along a first direction, and the stacking robot 130 can reciprocate along this first direction. The first direction refers to... Figure 1 The stacking robot 130 is independently configured relative to the stacking table 110 and the alignment table 120, and can move relative to the stacking table 110 and the alignment table 120. During the stacking process, the stacking robot 130 needs to travel back and forth between the alignment table 120 and the stacking table 110 multiple times, thereby continuously transferring materials onto the stacking table 110.

[0029] Furthermore, the stacking stage 110 and the alignment stage 120 can reciprocate synchronously along the first direction. Specifically, the stacking stage 110 and the alignment stage 120 can be mounted together on the same base (not shown), and the base can reciprocate along the first direction, thereby driving the stacking stage 110 and the alignment stage 120 to reciprocate synchronously. During the reciprocating motion of the stacking robot 130 between the alignment stage 120 and the stacking stage 110, the stacking stage 110 and the alignment stage 120 can move in opposite directions relative to the stacking robot 130 along the first direction. In this way, the travel distance required for the stacking robot 130 to reciprocate between the alignment stage 120 and the stacking stage 110 will be significantly shortened, thus significantly accelerating the cycle time of the stacking operation and significantly improving the stacking efficiency.

[0030] In this embodiment, two correction tables 120 are provided, and the two correction tables 120 are located on opposite sides of the stacking table 110 along the first direction. The two correction tables 120 can each carry different materials and correct the deviation of the carried materials. The stacking robot 130 can transfer materials from either correction table 120 to the stacking table 110. While one correction table 120 is performing a correction operation, the stacking robot 130 can pick up materials from the other correction table 120 and transfer them to the stacking table 110. In this way, by alternately picking up materials from the two correction tables 120, the stacking robot 130 can shorten its idle time, thereby further accelerating the stacking cycle and improving stacking efficiency.

[0031] Furthermore, in this embodiment, two stacking robots 130 are provided, and the two stacking robots 130 are spaced apart along the first direction. Moreover, when one stacking robot 130 moves above the stacking table 110, the other stacking robot 130 moves above one of the correction tables 120.

[0032] Two stacking robots 130 are capable of transferring materials from the two alignment tables 120 to the stacking table 110, respectively. Figure 2 For example, when the left stacking robot 130 transfers the material from the left alignment table 120 to the stacking table 110, the right stacking robot 130 moves to the right alignment table 120 to prepare to grab the material from the right alignment table 120. After the left stacking robot 130 completes the material transfer, both stacking robots 130 move to the left simultaneously until the right stacking robot 130 moves to the stacking table 110, while the left stacking robot 130 moves to the left alignment table 120 to prepare to grab the material from the left alignment table 120 again. This cycle continues, allowing the two stacking robots 130 to alternately transfer the material from the two alignment tables 120 to the stacking table 110. Moreover, compared to setting only one stacking robot 120, setting two stacking robots 120 halves the stroke of each stacking robot 120, thus further accelerating the stacking cycle and improving stacking efficiency.

[0033] In addition, in this embodiment, the solid-state battery stacking equipment 100 also includes a first conveying line 140 and a second conveying line 150, which are spaced apart along a first direction, and the stacking table 110 and the correction table 120 are located between the first conveying line 140 and the second conveying line 150.

[0034] The first conveyor line 140 and the second conveyor line 150 can adopt the same structure, such as conveyor belts or conveyor chains. The first conveyor line 140 and the second conveyor line 150 are used to convey the materials required for lamination to the stacking table 110 and the alignment table 120. Specifically, in this embodiment, the first conveyor line 140 and the second conveyor line 150 are used to convey the positive electrode sheet and the negative electrode frame composite sheet, respectively. Both the positive electrode sheet and the negative electrode frame composite sheet are prepared in the previous process and conveyed to the stacking table 110 by the first conveyor line 140 and the second conveyor line 150. Obviously, in other embodiments, the materials conveyed by the first conveyor line 140 and the second conveyor line 150 can be adjusted accordingly for different lamination processes.

[0035] The materials conveyed by the first conveyor line 140 and the second conveyor line 150 are first transferred to the correction table 120 for correction, and then transferred from the correction table 120 to the stacking table 120. Specifically, since there are two correction tables 120, the materials conveyed by the first conveyor line 140 are transferred to one correction table 120, and the materials conveyed by the second conveyor line 150 are transferred to the other correction table 120, thereby making it less likely for interference to occur between the two materials during the transfer process.

[0036] Specifically, in this embodiment, the solid-state battery stacking equipment 10 further includes a first transfer mechanism 160 and a second transfer mechanism 170. The first transfer mechanism 160 can transfer the material on the first conveyor line 140 to one of the correction tables 120, and the second transfer mechanism 170 can transfer the material on the second conveyor line 150 to another correction table 120.

[0037] The first transfer mechanism 160 and the second transfer mechanism 170 can also adopt the same structure. More specifically, in this embodiment, both the first transfer mechanism 160 and the second transfer mechanism 170 adopt a rotary manipulator, which can move back and forth between the correction table 120 and the first conveyor line 140 or the second conveyor line 150 by rotation.

[0038] Furthermore, in this embodiment, a first deflection section (not shown) is formed at the end of the first conveyor line 140 near the stacking table 110 and the correction table 120. The first deflection section can deflect the conveying direction by 90 degrees to be parallel to the first direction. A second deflection section (not shown) is formed at the end of the second conveyor line 150 near the stacking table 110 and the correction table 120. The second deflection section can deflect the conveying direction by 90 degrees to be parallel to the first direction. Both the first and second deflection sections are arc-shaped, with a central angle of approximately 90 degrees.

[0039] In other words, when the materials conveyed by the first conveyor line 140 and the second conveyor line 150 approach the stacking table 110 and the straightening table 120, they will turn 90 degrees and move towards the stacking table 110 and the straightening table 120. This results in a shorter distance between the materials on the first conveyor line 140 and the straightening table 120 when they are picked up, allowing for faster transfer to the straightening table 120 and further accelerating the production cycle.

[0040] Furthermore, in this embodiment, a first material bin 180a and a second material bin 180b are provided between the first conveyor line 140 and the second conveyor line 150. The first transfer mechanism 160 can transfer the material on the first material bin 180a to the correction table 120 on one side of the stacking table 110, and the second transfer mechanism 170 can transfer the material on the second material bin 180b to the correction table 120 on the other side of the stacking table 110.

[0041] The first material bin 180a and the second material bin 180b are used to store the materials required for lamination. Specifically, in this embodiment, the first material bin 180a and the second material bin 180b are used to store PET film and negative electrode sheet, respectively. The PET film and negative electrode sheet can be pre-cut and shaped before being stored in the first material bin 180a and the second material bin 180b, respectively. The first material bin 180a and the second material bin 180b can adopt the same structure, such as a spring clip type feeding bin. In this way, each time material is retrieved from the first material bin 180a and the second material bin 180b, the material on the top layer is always at the same height. Obviously, in other embodiments, the materials stored in the first material bin 180a and the second material bin 180b can also be adjusted accordingly for different lamination processes.

[0042] In this embodiment, a first waste bin 190a and a second waste bin 190b are provided between the first conveyor line 140 and the second conveyor line 150. The first transfer mechanism 160 can transfer the material on the first conveyor line 140 to the first waste bin 190a, and the second transfer mechanism 170 can transfer the material on the second conveyor line 150 to the second waste bin 190b.

[0043] During the material transport along the first conveyor line 140 and the second conveyor line 150, defect detection is performed. Material failing the defect detection is transferred from the first conveyor line 140 and the second conveyor line 150 to the first waste bin 190a and the second waste bin 190b respectively by the first transfer mechanism 160 and the second transfer mechanism 170. This ensures the quality of the solid-state battery cells obtained from the stacking process.

[0044] In addition, in this embodiment, the solid-state battery stacking equipment 100 also includes a material unloading conveyor line 200 and a material unloading robot 210, which can move between the stacking table 110 and the material unloading conveyor line 200.

[0045] After the solid-state battery cells are stacked, the unloading robot 210 can move above the stacking table 110 and grab the solid-state battery cells, then transfer the grabbed solid-state battery cells to the unloading conveyor line 200, and finally the unloading conveyor line 200 transports the solid-state battery cells to the next process, thereby realizing the automation of the entire stacking process.

[0046] In the aforementioned solid-state battery stacking equipment 100, the material for stacking is first transferred to the alignment table 120, and after alignment is completed on the alignment table 120, it is transferred by the stacking robot 130 to the stacking table 110 for stacking. The stacking robot 130 needs to travel back and forth between the alignment table 120 and the stacking table 110 multiple times to continuously transfer the material to the stacking table 110. Since both the stacking table 110 and the alignment table 120 can reciprocate along a first direction, and the stacking robot 130 can also reciprocate along the first direction, during the stacking process, the stacking table 110 and the alignment table 120 can move in the opposite direction relative to the stacking robot 130 in the first direction. This significantly shortens the travel distance required for the stacking robot 130 to travel back and forth between the alignment table 120 and the stacking table 110. Therefore, the cycle time of the solid-state battery stacking equipment 100 in performing the stacking operation is improved, thus significantly increasing the stacking efficiency.

[0047] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0048] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A solid state battery lamination apparatus, characterized by, The laminated plate station, the deviation rectifying station and the laminated plate manipulator are provided.

2. The solid state battery lamination apparatus of claim 1, wherein, The laminated plate manipulator can move relative to the laminated plate station and the deviation rectifying station.

3. The solid state battery lamination apparatus of claim 1, wherein, The deviation rectifying station is provided with two deviation rectifying stations, and the two deviation rectifying stations are respectively located on the two sides of the laminated plate station along the first direction.

4. The solid state battery lamination apparatus of claim 3, wherein, The laminated plate manipulator is provided with two laminated plate manipulators, and the two laminated plate manipulators are spaced apart along the first direction.

5. The solid state battery lamination apparatus of claim 4, wherein, When one of the laminated plate manipulators moves above the laminated plate station, the other laminated plate manipulator moves above one of the deviation rectifying stations.

6. The solid state battery lamination apparatus of claim 1, wherein, The first conveying line and the second conveying line are spaced apart along the first direction, and the laminated plate station and the deviation rectifying station are located between the first conveying line and the second conveying line.

7. The solid state battery lamination apparatus of claim 6, wherein, The first conveying line is provided with a first turning section at one end close to the laminated plate station and the deviation rectifying station, and the first turning section can deflect the conveying direction by 90 degrees to be parallel to the first direction.

8. The solid state battery lamination apparatus of claim 6, wherein, The laminated plate station is provided with the deviation rectifying station on both sides along the first direction, and the solid-state battery laminated plate device further comprises a first transfer mechanism and a second transfer mechanism.

9. The solid state battery lamination apparatus of claim 8, wherein, The first transfer mechanism can transfer the material on the first conveying line to the deviation rectifying station on one side of the laminated plate station, and the second transfer mechanism can transfer the material on the second conveying line to the deviation rectifying station on the other side of the laminated plate station.

10. The solid state battery lamination apparatus of claim 8, wherein, The first conveying line and the second conveying line are provided with a first material bin and a second material bin, and the first transfer mechanism can transfer the material on the first material bin to the deviation rectifying station on one side of the laminated plate station, and the second transfer mechanism can transfer the material on the second material bin to the deviation rectifying station on the other side of the laminated plate station.

11. The solid state battery lamination apparatus of claim 1, wherein, The first conveying line and the second conveying line are provided with a first waste bin and a second waste bin, and the first transfer mechanism can transfer the material on the first conveying line to the first waste bin, and the second transfer mechanism can transfer the material on the second conveying line to the second waste bin. The laminated plate station, the deviation rectifying station and the laminated plate manipulator are provided.

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