CN209797018U - Synchronous buffer memory system in pole piece material area of adaptation in laser film-making coiling all-in-one - Google Patents
Synchronous buffer memory system in pole piece material area of adaptation in laser film-making coiling all-in-one Download PDFInfo
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- CN209797018U CN209797018U CN201920124858.7U CN201920124858U CN209797018U CN 209797018 U CN209797018 U CN 209797018U CN 201920124858 U CN201920124858 U CN 201920124858U CN 209797018 U CN209797018 U CN 209797018U
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Abstract
The utility model belongs to the technical field of the lithium cell manufacturing technique and specifically relates to a pole piece material area synchronization buffer memory system who adapts to laser film-making coiling all-in-one, it includes pole piece draw gear, sets up in the material area buffer memory device and the material area rate of tension detection device in this pole piece draw gear low reaches. The material belt buffer device is composed of a fixed carrier roller set and a movable carrier roller set. The tightness detection device for the material belt detects the tightness of the pole piece material belt in real time and feeds back the tightness to the controller in time, and after data analysis and processing, the controller sends an action signal to the movable carrier roller group so as to adjust the corresponding position of the movable carrier roller group. Therefore, when the feeding speed of the pole piece material belt fluctuates, the movable carrier roller set has higher response speed, so that the pole piece material belt is more favorably kept in a tensioning state all the time, in addition, the tensioning force of the pole piece material belt can be stabilized at a reasonable value, and the pole piece material belt is prevented from tensile plastic deformation or fracture.
Description
Technical Field
The utility model belongs to the technical field of the lithium cell manufacturing technology and specifically relates to a pole piece material area synchronization buffer memory system who adapts to laser film-making coiling all-in-one.
Background
With the occurrence of lithium battery production technology, in recent years, a laser sheet-making and winding integrated machine is provided, so that a sheet-making process and a core winding process are performed synchronously. As is known, a winding machine winds a cell by a turret, and in order to improve winding efficiency, a two-wire or three-wire winding structure is adopted. Taking a three-needle winding device as an example, three pairs of winding needles are arranged on the three-needle winding device, positive and negative pole pieces and an isolating membrane are sent to the winding needles by a mechanical arm, winding is realized at a station, anti-loosening adhesive tapes are attached at two stations, three stations automatically pull out needles and perform blanking, the three winding needles circulate in the three stations respectively, in the process of station conversion, a process interruption phenomenon (the duration is about 4 s) inevitably occurs in a winding machine, a pole piece material belt synchronous cache system of a laser sheet making machine is always in a continuous feeding state, and the feeding speed is about 2m/s generally, so that the pole piece material belt is loosened intermittently. The material belt caching device is generally composed of a fixed carrier roller group and a movable carrier roller group, the movable carrier roller uses a cylinder, a spring or a balance weight as a power source (as shown in fig. 1), the relative distance between the fixed carrier roller group and the movable carrier roller is adjusted in real time in the above mode, and good effect can be achieved. Thus, a skilled person is urgently needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an action response speed is fast, ensure that the pole piece material area is in the diaphragm overspeed device tensioner of adaptation in lamination mechanism of tensioning state all the time.
In order to solve the technical problem, the utility model relates to a pole piece material area synchronous buffer memory system who adapts to laser film-making coiling all-in-one, it includes pole piece draw gear, sets up in the material area buffer memory device in this pole piece draw gear low reaches. The material belt buffer device is composed of a fixed carrier roller set and a movable carrier roller set. The synchronous buffer memory system in pole piece material area still includes material area rate of tension detection device, and the elasticity in pole piece material area is detected in real time to in time feed back to the controller, through data analysis, processing back, this controller sends actuating signal to mobile bearing roller group, so that it makes the relevant position adjustment, ensures the whole rate of tension in pole piece material area.
Further, the material belt tension detection device comprises a rotary tension part and an angle sensor for detecting the relative rotation angle of the rotary tension part. The rotary tensioning part and the pole piece material belt are always in a fit state.
Further, the rotary tensioner is driven by a first motor, and the first motor is set to a constant torque mode of operation.
Further, the material belt tension detection device comprises a flexible carrier roller which is directionally displaced along the height direction and a position sensor which is used for detecting the relative position of the flexible carrier roller. The flexible carrier roller and the pole piece material belt are always in a fit state.
Further, the flexible idler is driven by a counterweight, spring, cylinder, or constant torque mode motor.
Further, the fixed carrier roller set comprises a plurality of fixed carrier rollers for supporting the material belt. The movable carrier roller set comprises a carrier roller force adjusting unit, a power part for driving the carrier roller force adjusting unit to move along the height direction and a guide device for enabling the carrier roller force adjusting unit to move directionally.
Further, the idler force adjustment unit comprises at least two movable idlers in a linear array.
Further, the power part includes a second motor, which is a servo motor.
Further, the second motor employs a speed control mode.
Compared with the traditional pole piece material belt synchronous caching system, the pole piece material belt synchronous caching system is additionally provided with the material belt tension degree detection device, so that the position of the movable carrier roller group can be adjusted in real time according to the tension degree condition of the pole piece material belt, when the feeding speed of the pole piece material belt fluctuates, the movable carrier roller group has higher response speed, and therefore the pole piece material belt is more favorable for being always kept in a tension state, in addition, the tension force of the pole piece material belt can be stabilized at a reasonable value, and the tension plastic deformation or the fracture phenomenon of the pole piece material belt is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pole piece strip synchronous buffer system adapted to a laser production and winding all-in-one machine in the prior art.
Fig. 2 is the structural schematic diagram of the first implementation of the pole piece strip synchronous cache system of the middle-adapted laser sheet-making and winding integrated machine of the present invention.
Fig. 3 is the control schematic diagram of the first implementation manner of the pole piece material strip synchronous cache system of the middle-adapted laser film-making and winding integrated machine of the present invention.
Fig. 4 is a schematic structural diagram of a second implementation manner of the pole piece strip synchronous cache system adapted to the laser sheet-making and winding all-in-one machine of the present invention.
Fig. 5 is a control schematic diagram of the second embodiment of the pole piece strip synchronous cache system adapted to the laser sheet-making and winding integrated machine of the present invention.
1-pole piece traction device; 2-a material belt buffer memory device; 21-positioning the carrier roller group; 211-fixed carrier rollers; 22-a movable idler set; 221-carrier roller force adjusting unit; 2211-movable carrier roller; 3-a material belt tension degree detection device; 31-a rotary tensioner; 32-flexible carrier roller.
Detailed Description
The utility model discloses make detailed explanation below with the accompanying drawings, fig. 2 is the utility model discloses well adaptation is in the synchronous buffer memory system in pole piece material area of laser film-making coiling all-in-one and is an embodiment's structural schematic diagram, and it comprises several parts such as pole piece draw gear 1, material area buffer memory device 2, rotatory tensioning part 31 and controller (not shown in the figure), and rotatory tensioning part 31 is driven by the motor, distinguishes for the convenience with all the other motors in the text, names first motor. The material belt buffer memory device 2 is arranged at the downstream of the pole piece traction device 1 and at the upstream of the battery cell winding device. The material belt buffering device 2 is composed of a fixed carrier roller group 21 and a movable carrier roller group 22. The movable idler group 22 includes idler force adjusting units 221, a power section (not shown) that drives the idler force adjusting units 221 to displace in the height direction, and a guide device (not shown) that causes the idler force adjusting units 221 to displace in a directional manner. Wherein, the power part adopts a second motor. In the actual work process, borrow angle sensor (not shown in the figure) to survey the relative rotation angle of pairing rotation tensioning part 31 in real time, thereby indirectly reachd the elasticity in pole piece material area, and then in time feed back to controller (not shown in the figure), through data analysis, after handling, this controller sends actuating signal to second motor, so that corresponding directional position adjustment is made to bearing roller accent power unit 221, thereby change the distance size between fixed bearing roller group 21 and the mobile bearing roller group 22, and then adjust the pole piece material area buffer memory of this material area buffer memory device 2, ensure the whole rate of tension in pole piece material area, fig. 3 shows the utility model discloses well adaptation is in the control schematic diagram of the first implementation of pole piece material area synchronous buffer memory system of laser film-making coiling all-in-one.
Compared with the traditional control scheme, the driving force for driving the movable carrier roller 22 to directionally run is converted from cylinder, spring or balance weight into motor driving, so that the conversion from passive stress control to active intervention control is realized, and when the feeding speed of the pole piece material belt fluctuates, the control mode has higher response speed.
It should be emphasized that, in the actual working process, the first motor needs to be set to the constant torque working mode to ensure that the force applied to the pole piece material strap by the rotary tensioning portion 31 is stabilized at a certain value, and to ensure that the pole piece material strap and the first motor are always in the attached state.
In this embodiment, the fixed carrier roller group 21 is composed of 6 fixed carrier rollers 211 in a transverse linear array, correspondingly, the carrier roller force adjusting unit 221 is composed of 5 movable carrier rollers 2211 in a transverse linear array, and of course, the number of the fixed carrier rollers 211 and the number of the movable carrier rollers 2211 may be specifically set according to the size of the buffer amount of the pole piece material strip.
In view of simplifying the design structure and the transmission efficiency, the first motor can be a direct drive motor, the second motor can be a servo motor, and a speed control mode is adopted for working.
The guide device can be a slide rail and slide block assembly, and has excellent guidance, matching stability and low friction, so that the smoothness and the stability of the movement of the carrier roller force adjusting unit 221 can be improved. Of course, other types of sliding fit components can be selected according to different actual requirements and application occasions
Fig. 4 shows a schematic structural diagram of another implementation manner of the pole piece strip synchronous buffer system adapted to the laser sheet-making and winding all-in-one machine of the present invention, which is different from the first embodiment in that: the material belt tension detection device 3 is composed of a flexible carrier roller 32 and a position sensor (not shown in the figure) for detecting the relative position of the flexible carrier roller 32, wherein the flexible carrier roller 32 is always attached to the pole piece material belt under the action of a balance weight, a spring, an air cylinder or a constant torque motor, and carries out directional displacement along the height direction. The control principle of the second embodiment is similar to that of the first embodiment, as shown in fig. 5. The position sensor can select a grating ruler, a magnetic grating ruler and the like under specific conditions.
Two points need to be explained finally: 1) in the two embodiments, the tape buffer devices 2 are arranged along the height direction, and may be set to be arranged transversely according to actual conditions; 2) in the above two embodiments, the tape tension detection device 3 is disposed downstream of the tape buffering device 2, but may be disposed upstream of the tape buffering device 2 according to actual situations.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A pole piece material belt synchronous cache system adapted to a laser sheet-making and winding integrated machine comprises a pole piece traction device and a material belt cache device arranged at the downstream of the pole piece traction device; the material belt buffer device is composed of a fixed carrier roller set and a movable carrier roller set and is characterized by also comprising a tension degree detection device arranged on the material belt; the tightness detection device in material area detects in real time the tightness in pole piece material area to in time feed back to the controller, through data analysis, processing back, the controller sends actuating signal extremely mobile bearing roller group is so that it makes the relevant position adjustment, ensures the whole tightness in pole piece material area.
2. The pole piece tape synchronous buffer system adapted to the laser sheet manufacturing and winding all-in-one machine of claim 1, wherein the tape tension detection device comprises a rotary tension part and an angle sensor for detecting the relative rotation angle of the rotary tension part; the rotary tensioning part and the pole piece material belt are always in a fit state.
3. The pole piece strip synchronous buffer system adapted to the laser sheet making and winding all-in-one machine of claim 2, wherein the rotary tension part is driven by a first motor, and the first motor is set to a constant torque working mode.
4. The pole piece tape synchronous buffer system adapted to the laser sheet making and winding all-in-one machine of claim 1, wherein the tape tension detection device comprises a flexible idler roller which is directionally displaced along the height direction and a position sensor for detecting the relative position of the flexible idler roller; the flexible carrier roller with the pole piece material area is in the laminating state all the time.
5. The pole piece strip synchronous buffer system adapted to the laser sheet making and winding all-in-one machine of claim 4, wherein the flexible carrier roller is driven by a counterweight, a spring, an air cylinder or a constant torque mode motor.
6. The synchronous buffer memory system for the pole piece material belt of the laser manufacturing and winding all-in-one machine is characterized in that the fixed carrier roller set comprises a plurality of fixed carrier rollers for supporting the material belt; the movable carrier roller set comprises a carrier roller force adjusting unit, a power part for driving the carrier roller force adjusting unit to move along the height direction and a guide device for enabling the carrier roller force adjusting unit to move directionally.
7. The pole piece strip synchronous buffer system adapted to the laser sheet-making and winding all-in-one machine of claim 6, wherein the roller force-adjusting unit comprises at least two movable rollers in linear array.
8. The pole piece strip synchronous buffer system adapted to the laser sheet-making and winding all-in-one machine of claim 6, wherein the power part comprises a second motor which is a servo motor.
9. The pole piece strip synchronous buffer system adapted to the laser production and winding all-in-one machine of claim 8, wherein the second motor adopts a speed control mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124858.7U CN209797018U (en) | 2019-01-24 | 2019-01-24 | Synchronous buffer memory system in pole piece material area of adaptation in laser film-making coiling all-in-one |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920124858.7U CN209797018U (en) | 2019-01-24 | 2019-01-24 | Synchronous buffer memory system in pole piece material area of adaptation in laser film-making coiling all-in-one |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114497680A (en) * | 2022-01-28 | 2022-05-13 | 广东利元亨智能装备股份有限公司 | Pole piece composite cutting machine and pole piece composite cutting method |
| CN116216400A (en) * | 2023-05-06 | 2023-06-06 | 广东包庄科技有限公司 | Rolling mode control method and device, electronic equipment and storage medium |
| CN117369547A (en) * | 2023-12-04 | 2024-01-09 | 深圳市曼恩斯特科技股份有限公司 | Speed control system, method and pole piece production equipment integrated device |
-
2019
- 2019-01-24 CN CN201920124858.7U patent/CN209797018U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114497680A (en) * | 2022-01-28 | 2022-05-13 | 广东利元亨智能装备股份有限公司 | Pole piece composite cutting machine and pole piece composite cutting method |
| CN114497680B (en) * | 2022-01-28 | 2023-02-28 | 广东利元亨智能装备股份有限公司 | Pole piece composite cutting machine and pole piece composite cutting method |
| CN116216400A (en) * | 2023-05-06 | 2023-06-06 | 广东包庄科技有限公司 | Rolling mode control method and device, electronic equipment and storage medium |
| CN116216400B (en) * | 2023-05-06 | 2023-07-25 | 广东包庄科技有限公司 | Rolling mode control method and device, electronic equipment and storage medium |
| CN117369547A (en) * | 2023-12-04 | 2024-01-09 | 深圳市曼恩斯特科技股份有限公司 | Speed control system, method and pole piece production equipment integrated device |
| CN117369547B (en) * | 2023-12-04 | 2024-03-29 | 深圳市曼恩斯特科技股份有限公司 | Speed control system, method and pole piece production equipment integrated device |
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Address after: 15 Mudu East Road, Mudu Town, Wuzhong District, Suzhou City, Jiangsu Province 215000 Patentee after: Suzhou jieruisi Intelligent Technology Co., Ltd Address before: Zhujiang Road Wuzhong District Mudu town of Suzhou city in Jiangsu province 215000 No. 368 (Mudu high tech Venture Park A025 room) Patentee before: Suzhou Jieruisi Automation Equipment Co., Ltd. |
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Address after: 215000 No. 9, Zhufeng Road, Mudu Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou jieruisi Intelligent Technology Co.,Ltd. Address before: 215000 No.15, Mudu Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: Suzhou jieruisi Intelligent Technology Co.,Ltd. |