CN212471620U - Corner cutting device of lithium ion soft package battery - Google Patents
Corner cutting device of lithium ion soft package battery Download PDFInfo
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- CN212471620U CN212471620U CN202021239007.6U CN202021239007U CN212471620U CN 212471620 U CN212471620 U CN 212471620U CN 202021239007 U CN202021239007 U CN 202021239007U CN 212471620 U CN212471620 U CN 212471620U
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Abstract
The utility model relates to a corner cutting device of lithium ion soft package battery, including the bottom plate and being fixed in electric core layer board platform and two cutting mechanisms on the bottom plate, cutting mechanism includes upper cutter mechanism and lower cutter mechanism that mutually support and carry out the corner cut, the pre-compression mechanism that is used for flattening the aluminium-plastic film that waits to cut of upper cutter fixed block lateral surface, pre-compression mechanism includes spring compression fixed plate, pre-compression piece and spring; the spring pressing fixing plate is transversely fixed at the top of the outer side of the upper cutter fixing block, the pre-pressing block is arranged on the outer side of the upper cutter fixing block in parallel, a sliding guide mechanism is vertically arranged between the pre-pressing block and the upper cutter fixing block, and a spring is connected between the top of the pre-pressing block and the spring pressing fixing plate. Before the upper cutter cuts, the pre-pressing structure flattens the aluminum-plastic film to be cut under the elastic force of the spring, so that the efficiency is improved; the problem of cutting size uniformity poor is solved, the notch tolerance is further ensured to be within the process range, and the qualification rate is improved.
Description
Technical Field
The utility model relates to a cutting device in the production of power battery particularly, is a corner cut device of lithium ion laminate polymer battery.
Background
In the production process of the lithium ion soft package battery, the aluminum plastic film at the corner of the battery core needs to be subjected to corner cutting operation, the existing corner cutting device comprises a battery core supporting plate for fixing the battery core and a cutting mechanism, the cutting mechanism comprises an upper cutter mechanism and a lower cutter mechanism, the lower cutter mechanism is fixed, and the upper cutter mechanism is driven by a cylinder to be close to or far away from the lower cutter mechanism, so that the purpose of cutting is achieved. For the existing battery corner cutting device, after an electric core is fed, the cut corner position needs to be smoothed out manually, due to the thin and soft reasons of an aluminum-plastic film, the cut corner position is difficult to smooth out manually, the problem that the aluminum-plastic film is wrinkled and bent exists, the cut size cannot be effectively guaranteed within the process requirement range, the cut size is poor in consistency, and the qualified rate is low.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a corner cut device of lithium ion laminate polymer battery can flatten the plastic-aluminum membrane in electric core bight before cutting to improve electric core qualification rate.
For solving the above technical problem, the utility model discloses a technical scheme is:
the corner cutting device of the lithium ion soft package battery comprises a bottom plate, a battery core supporting plate platform and two cutting mechanisms, wherein the battery core supporting plate platform and the two cutting mechanisms are fixed on the bottom plate; the cutting mechanism comprises an upper cutter mechanism and a lower cutter mechanism which are matched with each other to cut corners, the upper cutter mechanism comprises an upper cutter, an upper cutter fixing block and a pre-pressing mechanism, the upper cutter fixing block is used for fixing the upper cutter, the pre-pressing mechanism is arranged on the outer side face of the upper cutter fixing block and is used for pressing an aluminum-plastic film to be cut flat, and the pre-pressing mechanism comprises a spring pressing fixing plate, a pre-pressing block and a spring; the spring pressing fixing plate is transversely fixed at the top of the outer side of the upper cutter fixing block, the pre-pressing block is arranged on the outer side of the upper cutter fixing block in parallel, a sliding guide mechanism is vertically arranged between the pre-pressing block and the upper cutter fixing block, and a spring is connected between the top of the pre-pressing block and the spring pressing fixing plate.
Furthermore, the sliding guide mechanism comprises a pre-pressing slide rail vertically arranged on the outer side surface of the upper cutter fixing block and a pre-pressing slide block which is arranged on the inner side surface of the pre-pressing block and is in sliding fit with the pre-pressing slide rail.
Furthermore, a spring guide shaft is arranged inside the spring, the upper end of the spring guide shaft is fixedly connected with the spring pressing fixing plate, and the lower end of the spring guide shaft is inserted into a guide hole formed in the top of the pre-pressing block and is in clearance sliding fit with the guide hole.
Furthermore, the bottom of the pre-pressing block is provided with a pre-pressing part bent into an L shape.
Further, the cutting mechanism further comprises a frame base and a cutting frame, the cutting frame is vertically fixed on the frame base, a cylinder is fixed at the top of the cutting frame, a cylinder rod of the cylinder is connected with a floating joint, the floating joint is connected with an upper cutter fixing block, a linear sliding rail is vertically arranged on the cutting frame, and a linear sliding block in sliding fit with the linear sliding rail is arranged on the upper cutter fixing block.
Furthermore, the lower cutter mechanism comprises a lower cutter base fixed on the surface of the rack base, two ends of the lower cutter base are respectively provided with a long hole, the lower cutter base is connected with the rack base through a mounting bolt in the long hole, and the lower cutter is fixed on the lower cutter base.
Furthermore, a cutter gap adjusting block is fixed on the frame base, a plurality of adjusting screws in threaded connection with the cutter gap adjusting block are arranged on the cutter gap adjusting block, and the adjusting screws penetrate through the cutter gap adjusting block and then are close to the lower cutter base.
Furthermore, arc-shaped long holes are formed in two ends of the rack base, and adjustable bolts are installed in the arc-shaped long holes to connect the rack base with the bottom plate.
Compared with the prior art, the device provided by the utility model adds the pre-pressing mechanism for pressing the aluminum-plastic film to be cut on the upper cutter mechanism, before the upper cutter cuts, the pre-pressing mechanism presses the aluminum-plastic film to be cut under the elastic action of the spring, thereby saving manual smoothing-out and translation operation and improving the efficiency; the problem of cutting size uniformity poor is solved, the notch tolerance is further ensured to be within the process range, and the qualification rate is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention in any way.
Fig. 1 is the utility model provides a lithium ion laminate polymer battery's corner cut device's spatial structure sketch map.
Fig. 2 is the utility model provides a lithium ion laminate polymer battery's corner cut device's side schematic diagram.
Fig. 3 is a schematic structural diagram of the cutting mechanism provided by the present invention.
Fig. 4 is a schematic structural diagram of a pre-compression mechanism and an upper cutter fixing block provided by the present invention.
In the figure, 1-a bottom plate, 2-a cell supporting plate platform, 3-a cutting mechanism, 4-a pre-pressing mechanism, 5-a waste collecting box, 6-a cutter gap adjusting block, 7-an adjusting screw and 8-an arc-shaped long hole.
31-an upper cutter, 32-an upper cutter fixing block, 33-a rack base, 34-a cutting rack, 35-an air cylinder, 36-a floating joint, 37-a linear guide rail, 38-a linear sliding block, 39-a lower cutter base, 40-a lower cutter, 41-a spring pressing fixing plate, 42-a pre-pressing block, 43-a spring, 44-a pre-pressing sliding rail, 45-a pre-pressing sliding block and 46-a spring guide shaft.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the present invention will be further clearly and completely described below with reference to the accompanying drawings and embodiments. In addition, the features of the embodiments and examples in the present application may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The utility model relates to a corner cutting device of a lithium ion soft package battery, which comprises a bottom plate 1, an electric core supporting plate platform 2 fixed on the bottom plate 1 and two cutting mechanisms 3, wherein the two cutting mechanisms 3 are respectively and obliquely arranged at two sides of one end of the electric core supporting plate platform 2; the cutting mechanism 3 comprises an upper cutter mechanism and a lower cutter mechanism which are matched with each other to cut corners. The upper cutter mechanism comprises an upper cutter 31 and an upper cutter fixing block 32 for fixing the upper cutter 31. On the basis of the structure, the device further comprises a pre-pressing mechanism 4 which is arranged on the outer side surface of the upper cutter fixing block 32 and used for pressing the aluminum-plastic film to be cut flat, wherein the pre-pressing mechanism 4 comprises a spring pressing fixing plate 41, a pre-pressing block 42 and a spring 43; the spring pressing fixing plate 41 is transversely fixed at the top of the outer side of the upper cutter fixing block 32, the pre-pressing block 42 is arranged on the outer side of the upper cutter fixing block 32 in parallel, a sliding guide mechanism is vertically arranged between the pre-pressing block 42 and the upper cutter fixing block 32, and a spring 43 is connected between the top of the pre-pressing block 42 and the spring pressing fixing plate 41.
According to the above embodiment, in operation, a battery cell is firstly placed on the battery cell supporting plate platform 2, when the upper cutter mechanism is pressed downwards, the pre-pressing mechanism fixed on the upper cutter mechanism descends simultaneously, the pre-pressing block 42 of the pre-pressing mechanism contacts with the battery cell preferentially, because the sliding guide mechanism is arranged between the pre-pressing block 42 and the upper cutter fixing block 32, the pre-pressing block 42 and the upper cutter fixing block can slide relatively, the aluminum plastic film to be cut is pressed flat by the pre-pressing block 42 under the elastic force of the spring, the lower cutter mechanism supports the lower surface of the aluminum plastic film, and then the upper cutter 31 falls down to cut the aluminum plastic film. And after cutting, transferring the cut battery cell to the next procedure. The lower part of the bottom plate 1 is provided with a waste collecting box 5, and the cut waste materials are collected through the waste collecting box 5.
In a relatively specific embodiment, the sliding guide mechanism includes a pre-pressing slide rail 44 vertically disposed on the outer side surface of the upper cutter fixing block 32, and a pre-pressing slide block 45 slidably engaged with the pre-pressing slide rail 44 and disposed on the inner side surface of the pre-pressing block 42. By this slide guide mechanism, the relative sliding between the pre-pressing block 42 and the upper cutter fixing block 32 is possible.
In a preferred embodiment, a spring guide shaft 46 is installed inside the spring 43, the upper end of the spring guide shaft 46 is fixedly connected with the spring pressing fixing plate 41, the lower end of the spring guide shaft 46 is inserted into a guide hole formed in the top of the pre-pressing block 42 and is in clearance sliding fit with the guide hole, and the spring guide shaft 46 is mainly used for supporting the spring.
The bottom of the pre-pressing block 42 is provided with a pre-pressing part bent into an L shape, and the front end of the pre-pressing part is provided with a flat end for flattening the aluminum-plastic film.
Relatively specifically, the cutting mechanism further comprises a frame base 33 and a cutting frame 34, the cutting frame 34 is vertically fixed on the frame base 33, an air cylinder 35 is fixed at the top of the cutting frame 34, a cylinder rod of the air cylinder 35 is connected with a floating joint 36, the floating joint 36 is connected with an upper cutter fixing block 32, a linear slide rail 37 is vertically arranged on the cutting frame 34, and a linear slide block 38 in sliding fit with the linear slide rail 37 is arranged on the upper cutter fixing block 32.
After the battery core is fixed on the battery core supporting plate platform 2, the pneumatic switch controls the cylinder 35 to act, after the cylinder 35 is started, the cylinder 35 drives the upper cutter mechanism to slide downwards, the pre-pressing mechanism flattens the aluminum-plastic film firstly, and then the upper cutter 31 cuts the aluminum-plastic film. After the cutting is finished, the pneumatic switch is closed, the air cylinder 35 drives the upper cutter mechanism to lift back, and meanwhile, the pre-pressing mechanism lifts back along with the upper cutter mechanism, so that the cutting is finished.
The lower cutter mechanism comprises a lower cutter base 39 fixed on the surface of the rack base 33, two ends of the lower cutter base 39 are respectively provided with a long hole, a mounting bolt in the long hole is used for connecting the lower cutter base 39 with the rack base 33, and the lower cutter 40 is fixed on the lower cutter base. Preferably, a cutter gap adjusting block 6 is fixed on the frame base 33, a plurality of adjusting screws 7 in threaded connection with the cutter gap adjusting block 6 are arranged on the cutter gap adjusting block 6, and the adjusting screws 7 penetrate through the cutter gap adjusting block 6 and then approach the lower cutter base 39. The gap between the lower cutter 40 and the upper cutter 31 can be adjusted, when the gap is adjusted, a bolt for connecting the lower cutter base 39 and the rack base 33 is firstly loosened, and the cutter gap adjusting block 6 is rotated to push the lower cutter base 39 to move, so that the gap between the upper cutter 31 and the lower cutter 40 is changed.
Arc-shaped long holes 8 are formed in two ends of the rack base 33, and adjustable bolts are installed in the arc-shaped long holes to connect the rack base 33 with the bottom plate 1. The installation position of the frame base 33 on the bottom plate 1 can be changed through the arc-shaped long hole 8, so that the trimming angle can be finely adjusted.
The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents made within the spirit and principle of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The corner cutting device of the lithium ion soft package battery comprises a bottom plate, a battery core supporting plate platform and two cutting mechanisms, wherein the battery core supporting plate platform and the two cutting mechanisms are fixed on the bottom plate; the cutting mechanism comprises an upper cutter mechanism and a lower cutter mechanism which are matched with each other to cut the corner, the upper cutter mechanism comprises an upper cutter and an upper cutter fixing block used for fixing the upper cutter, and the cutting mechanism is characterized in that: the pre-pressing mechanism is arranged on the outer side face of the upper cutter fixing block and used for pressing an aluminum-plastic film to be cut flat, and comprises a spring pressing fixing plate, a pre-pressing block and a spring;
the spring pressing fixing plate is transversely fixed at the top of the outer side of the upper cutter fixing block, the pre-pressing block is arranged on the outer side of the upper cutter fixing block in parallel, a sliding guide mechanism is vertically arranged between the pre-pressing block and the upper cutter fixing block, and a spring is connected between the top of the pre-pressing block and the spring pressing fixing plate.
2. The corner cutting device of the lithium-ion soft package battery according to claim 1, wherein: the sliding guide mechanism comprises a pre-pressing slide rail vertically arranged on the outer side surface of the upper cutter fixing block and a pre-pressing slide block which is arranged on the inner side surface of the pre-pressing block and is in sliding fit with the pre-pressing slide rail.
3. The corner cutting device of the lithium-ion soft package battery according to claim 1 or 2, wherein: spring internally mounted has the spring guide axle, and spring guide axle upper end and spring compress tightly fixed plate fixed connection, and the guide hole of seting up in the compaction block top and with guide hole clearance sliding fit are inserted to spring guide axle lower extreme.
4. The corner cutting device of the lithium-ion soft package battery of claim 3, wherein: the bottom of the pre-pressing block is provided with a pre-pressing part bent into an L shape.
5. The corner cutting device of the lithium-ion soft package battery of claim 4, wherein: the cutting mechanism further comprises a frame base and a cutting frame, the cutting frame is vertically fixed on the frame base, a cylinder is fixed at the top of the cutting frame, a cylinder rod of the cylinder is connected with a floating joint, the floating joint is connected with an upper cutter fixing block, a linear sliding rail is vertically arranged on the cutting frame, and a linear sliding block in sliding fit with the linear sliding rail is arranged on the upper cutter fixing block.
6. The corner cutting device of the lithium-ion soft package battery of claim 5, wherein: the lower cutter mechanism comprises a lower cutter base fixed on the surface of the frame base, two ends of the lower cutter base are respectively provided with a long hole, the lower cutter base is connected with the frame base through a mounting bolt in the long hole, and the lower cutter is fixed on the lower cutter base.
7. The corner cutting device of the lithium-ion soft package battery of claim 6, wherein: a cutter clearance adjusting block is fixed on the base of the machine frame, a plurality of adjusting screws in threaded connection with the cutter clearance adjusting block are arranged on the cutter clearance adjusting block, and the adjusting screws penetrate through the cutter clearance adjusting block and then are close to the lower cutter base.
8. The corner cutting device of the lithium-ion soft package battery of claim 5, 6 or 7, wherein: arc-shaped long holes are formed in two ends of the rack base, and adjustable bolts are installed in the arc-shaped long holes to connect the rack base with the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021239007.6U CN212471620U (en) | 2020-06-30 | 2020-06-30 | Corner cutting device of lithium ion soft package battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021239007.6U CN212471620U (en) | 2020-06-30 | 2020-06-30 | Corner cutting device of lithium ion soft package battery |
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| Publication Number | Publication Date |
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| CN212471620U true CN212471620U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021239007.6U Active CN212471620U (en) | 2020-06-30 | 2020-06-30 | Corner cutting device of lithium ion soft package battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114683330A (en) * | 2022-03-21 | 2022-07-01 | 特雷通家具(嘉兴)有限公司 | Triangular wood cutting machine |
| CN115256515A (en) * | 2022-08-10 | 2022-11-01 | 广东鸿宝科技有限公司 | Corner cutting equipment and method for soft package battery |
| CN117288662A (en) * | 2023-09-20 | 2023-12-26 | 浙江锂盾新能源材料有限公司 | Corrosion resistance testing method for aluminum plastic film electrolyte |
-
2020
- 2020-06-30 CN CN202021239007.6U patent/CN212471620U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114683330A (en) * | 2022-03-21 | 2022-07-01 | 特雷通家具(嘉兴)有限公司 | Triangular wood cutting machine |
| CN115256515A (en) * | 2022-08-10 | 2022-11-01 | 广东鸿宝科技有限公司 | Corner cutting equipment and method for soft package battery |
| CN117288662A (en) * | 2023-09-20 | 2023-12-26 | 浙江锂盾新能源材料有限公司 | Corrosion resistance testing method for aluminum plastic film electrolyte |
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