Automatic slitting and roll-off device for lithium battery diaphragm

Abstract

The invention discloses a lithium battery diaphragm slitting and roll-off automation device which comprises a plurality of automatic roll-off devices (1) arranged on a base platform (4), and the number and distribution positions of the automatic roll-off devices (1) correspond to the number and positions of diaphragm roll sections slit by a diaphragm slitting machine one to one. The base platform (4) is installed on the conveying device (2) so as to drive the automatic roll discharging device (1) to be close to or away from the diaphragm splitting machine. The automatic roll discharging device (1) comprises a chuck lifting module (12), a chuck mounting platform (13) and a chuck (15), the chuck mounting platform (13) is mounted at the lifting top end of the chuck lifting module (12), the chuck (15) is mounted on the chuck mounting platform (13), and the chuck lifting module (12) drives the chuck (15) to support a film roll or release the film roll. According to the device, a slitting and roll discharging automatic mode is adopted for performing roll discharging treatment on a slitting product, and automatic approaching and automatic roll discharging are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of lithium battery diaphragm production, in particular to an automatic device for slitting and unwinding lithium battery diaphragm. Background Art

[0002] Against the backdrop of the rise of the global new energy vehicle industry, the global market demand for lithium battery separators is increasing, and production line automation will effectively improve product production efficiency. At present, traditional separators are manually rolled after slitting, resulting in cost and labor waste. With the increase in production line speed, the use of traditional manual rolling not only affects production efficiency but also causes cost and labor waste.

[0003] The use of slitting and unwinding automation devices can realize the automation of slitting product unwinding, improve the automation level of the production line, and improve the production efficiency of the production line. Summary of the invention

[0004] The purpose of the present invention is to provide a lithium battery diaphragm slitting and unwinding automated device to address the problems existing in the prior art. The device can realize the automation of slitting and unwinding products, thereby reducing production costs and improving enterprise production efficiency.

[0005] The purpose of the present invention is to be solved by the following technical solutions: A lithium battery diaphragm slitting and unwinding automated device, characterized in that: the device comprises a plurality of automatic unwinding devices arranged on a base platform, the number and distribution positions of the automatic unwinding devices correspond one-to-one to the number and positions of film roll segments cut out by a diaphragm slitting machine, the base platform is installed on a transport device to drive the automatic unwinding devices to approach or move away from the diaphragm slitting machine; the automatic unwinding device comprises an unwinding mounting platform, a chuck lifting module, a chuck mounting platform and a chuck, the chuck lifting module, which is installed at the bottom on the unwinding mounting platform, has a chuck mounting platform installed at the lifting top end and the chuck is installed on the chuck mounting platform, and the chuck is installed on the chuck mounting platform, and the chuck lifting module drives the chuck to lift or release the film roll.

[0006] The lower roll installation platform is directly fixed on the base platform or is installed and fixed on the base platform through a longitudinal support mechanism.

[0007] The longitudinal support mechanism comprises a support base and a support back plate fixedly mounted on the base platform. The bottom of the vertically arranged support back plate is fixed on the support base, and the top is mounted with a roll-down mounting platform.

[0008] The chuck lifting module comprises a lifting drive cylinder, which is mounted on the lower roll mounting platform, and the chuck mounting platform is mounted on the lifting top end of the lifting drive cylinder.

[0009] The chuck lifting module also includes a lifting support frame and a lifting guide mechanism. The front side of the lifting guide mechanism is slidably connected to the back of the chuck, and the rear side is fixed on the vertically arranged lifting support frame.

[0010] The lifting guide mechanism adopts a slider rail structure, in which the vertical slide rail is installed on the lifting support frame, and the slider in the slider rail structure is installed on the back of the clamp.

[0011] A lifting auxiliary cylinder installed on the lower rolling installation platform is provided at the bottom of the lifting guide mechanism, and the lifting auxiliary cylinder is used to drive the slider in the slider rail structure to lift and lower in the vertical direction.

[0012] A chuck rib is arranged inside the connection between the chuck and the chuck mounting platform; the chuck comprises a support plate, and two groups of fins located at both ends of the support plate and arranged in parallel, and the fins are provided with supporting grooves.

[0013] Both ends of the support plate are provided with transverse adjustment grooves, and the fins can move along the setting direction of the transverse adjustment grooves to adjust the spacing between the two groups of fins, and the tail ends of the fins are fixed in the transverse adjustment groove area of ​​the support plate through a limiting structure; the fins are composed of a rear part of the fin fixedly mounted on the support plate and a front part of the fin with a supporting groove, and the rear part of the fin and the front part of the fin are detachably fixedly connected.

[0014] The transport device includes a driving motor, a slide rail, a slider and a transport support frame. The transport support frame is symmetrically arranged at both ends of the base platform and the transport support frame and the base platform are vertically arranged. The transport support frame is provided with matching embedded slide rails and sliders, and the sliders are fixedly arranged at the bottom of both ends of the base platform. The driving motor for driving the slider to move back and forth through a linear module is arranged at one end of any transport support frame, or one end of one of the transport support frames.

[0015] The transport support frame is provided with a tank chain, and two ends of the tank chain are respectively connected to a sliding block and a driving motor.

[0016] Compared with the prior art, the present invention has the following advantages: The device of the present invention adopts an automated slitting and unrolling method to unroll the slit products, and uses fully automated equipment to accurately unroll the slit products; the automatic unrolling device itself can achieve longitudinal lifting and can move horizontally under the drive of external force, and set parameters. When the slit products need to be unrolled, it can automatically identify and perform unrolling operations, thereby achieving automatic approach and automatic unrolling operations.

[0017] The device of the present invention clamps the product by driving the clamp head, transports it to the end through the transportation device, and completes the automatic unwinding operation of the slit product. This operation can improve the production efficiency of the production line, reduce production costs, and improve production benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Attached Figure 1 It is a structural schematic diagram of the automatic device for slitting and unwinding the lithium battery separator of the present invention; Attached Figure 2 This is a schematic diagram of the distribution structure of three groups of automatic unwinding devices used in the present invention; Attached Figure 3 It is a schematic diagram of the combined structure of the automatic unwinding device, a part of the transport device, the longitudinal support mechanism, and the base platform of the present invention; Attached Figure 4 It is a schematic structural diagram of the transport device of the present invention; Attached Figure 5 It is a schematic structural diagram of the substrate platform of the present invention.

[0019] Among them: 1—automatic unwinding device; 11—unwinding installation platform; 12—chuck lifting module; 121—lifting drive cylinder; 122—lifting support frame; 123—lifting guide mechanism; 124—lifting auxiliary cylinder; 13—chuck installation platform; 14—chuck rib; 15—chuck; 151—support plate; 152—fin; 153—limiting structure; 2—transportation device; 21—drive motor; 22—slide rail; 23—slider; 24—transportation support frame; 25—tank chain; 3—longitudinal support mechanism; 31—support base; 32—support back plate; 4—base platform. Implementation

[0020] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0022] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the invention.

[0023] In the description of the invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] like Figure 1-5As shown: a lithium battery diaphragm slitting and unwinding automatic device, the device includes a plurality of automatic unwinding devices 1 arranged on a base platform 4, the number and distribution position of the automatic unwinding devices 1 correspond to the number and position of the film roll segments cut out by the diaphragm slitting machine, the base platform 4 is installed on the transport device 2 to drive the automatic unwinding device 1 to approach or move away from the diaphragm slitting machine; the automatic unwinding device 1 includes a unwinding installation platform 11, a chuck lifting module 12, a chuck installation platform 13 and a chuck 15, the unwinding installation platform 11 is directly fixed on the base platform 4 or is fixed on the base platform 4 through a longitudinal support mechanism 3, the longitudinal support mechanism 3 includes a support base 31 and a support back plate 32 fixedly installed on the base platform 4, the vertically arranged support back plate 32 has its bottom fixed on the support base 31 and the top installed with the unwinding installation platform 11; the lifting and lowering module 12 of the chuck lifting module 12 installed at the bottom on the unwinding installation platform 11 A chuck mounting platform 13 is installed at the top and the chuck 15 is installed on the chuck mounting platform 13. In order to improve the connection strength between the chuck 15 and the chuck mounting platform 13, a chuck rib 14 is provided on the inner side of the connection between the chuck 15 and the chuck mounting platform 13; the chuck 15 itself includes a support plate 151 installed on the chuck mounting platform 13, and two groups of fins 152 located at both ends of the support plate 151 and arranged in parallel, and supporting grooves are provided on the fins 152. Specifically, transverse adjustment grooves are provided at both ends of the support plate 151, and the fins 152 can move along the setting direction of the transverse adjustment groove to adjust the spacing between the two groups of fins 152, and the tail end of the fin 152 is fixed to the transverse adjustment groove area of ​​the support plate 151 by a limiting structure 153; the fin 152 is composed of a rear part of the fin fixedly mounted on the support plate 151 and a front part of the fin with a supporting groove, and the rear part of the fin and the front part of the fin are detachably fixedly connected. The chuck lifting module 12 drives the chuck 15 to lift or release the film roll.

[0026] In the above structure, the chuck lifting module 12 includes a lifting drive cylinder 121, which is installed on the lower roll installation platform 11, and the chuck installation platform 13 is installed on the lifting top of the lifting drive cylinder 121; the chuck lifting module 12 also includes a lifting support frame 122 and a lifting guide mechanism 123, the front side of the lifting guide mechanism 123 is slidably connected to the back of the chuck 15, and the rear side is fixed on the vertically arranged lifting support frame 122; one option is that the lifting guide mechanism 123 adopts a slider rail structure, the vertical slide rail in the slider rail structure is installed on the lifting support frame 122, and the slider in the slider rail structure is installed on the back of the chuck 15. In order to improve the stability of the automatic lower roll device 1, a lifting auxiliary cylinder 124 installed on the lower roll installation platform 11 can also be set at the bottom of the lifting guide mechanism 123, and the lifting auxiliary cylinder 124 is used to drive the slider in the slider rail structure to lift and lower in the vertical direction.

[0027] The transport device 2 includes a driving motor 21, a slide rail 22, a slider 23 and a transport support frame 24. The transport support frame 24 is symmetrically arranged at both ends of the base platform 4 and the transport support frame 24 and the base platform 4 are vertically arranged. The transport support frame 24 is provided with matching embedded slide rails 22 and sliders 23, and the sliders 23 are fixedly arranged at the bottom of both ends of the base platform 4. The driving motor 21 for driving the slider 23 to move back and forth through a linear module is arranged at one end of any transport support frame 24, or one end of one of the transport support frames 24; in addition, a tank chain 25 is configured on the transport support frame 24, and the two ends of the tank chain 25 are respectively connected to the slider 23 and the driving motor 21. Example

[0028] like Figure 1-5 As shown: a lithium battery diaphragm slitting and unwinding automated device, the slitting and unwinding automated device comprises three groups of automatic unwinding devices 1 which are high in the middle and low on both sides, namely 1# automatic unwinding device 1, 2# automatic unwinding device 1, and 3# automatic unwinding device 1, wherein 2# automatic unwinding device 1 is located in the middle and needs to be installed on a base platform 4 through a longitudinal support mechanism 3; 1# automatic unwinding device 1 and 3# automatic unwinding device 1 are respectively located on both sides of 2# automatic unwinding device 1 and are directly installed on the base platform 4; both ends of the base platform 4 are respectively located on corresponding transport devices 2, and the transport device 2 adopts a dual drive to drive the base platform 4 to move back and forth.

[0029] For the automatic unwinding device 1, if Figure 1-3 As shown, the automatic unwinding device 2 is composed of an unwinding installation platform 11, a chuck lifting module 12, a chuck installation platform 13 and a chuck 15. The chuck lifting module 12 is composed of a lifting drive cylinder 121, a lifting support frame 122, a lifting guide mechanism 123, and a lifting auxiliary cylinder 124. The lower roll installation platform 11 of the 1# automatic lower roll device 1 and the 3# automatic lower roll device 1 is directly fixed on the base platform 4, and the lower roll installation platform 11 of the 2# automatic lower roll device 1 is fixed on the base platform 4 through the longitudinal support mechanism 3. The longitudinal support mechanism 3 includes a support base 31 and a support back plate 32 fixedly installed on the base platform 4. The bottom of the vertically arranged support back plate 32 is fixed on the support base 31, and the lower roll installation platform 11 is installed on the top; a lifting drive cylinder 121 is fixedly arranged on the lower roll installation platform 11, and a chuck installation platform 13 is fixedly installed on the top of the lifting drive cylinder 121, and the center bottom of the back plate of the chuck 15 is fixedly welded to the chuck installation platform 13. At the same time, in order to improve the strength, a chuck rib 14 is also welded at the welding point between the two. The specific structure of the provided chuck 15 is as follows: Figure 2As shown, the chuck 15 includes a support plate 151, on which are provided two groups of fins 152 arranged parallel to each other, and arc-shaped supporting grooves are correspondingly provided at the front ends of the two groups of fins 152; transverse adjustment grooves are provided at both ends of the support plate 151, and the fins 152 can move along the direction of the transverse adjustment grooves and can be fixed and the spacing can be adjusted by a limiting structure 153, a limiting structure including a screw hole arranged at the end of the fin 152, and a screw rod matched with the screw hole, and the arc-shaped supporting grooves correspondingly provided at the front ends of the two groups of fins 152 are used to support the film roll, and the structure of the fins 152 is a detachable fixed connection of two parts, and the detachable fixed connection method can be replaced by a key connection, a threaded connection, a pin connection or a wedge connection. In this embodiment, a fixed nut threaded connection is preferably used to adapt to different situations. In order to improve stability, a lifting support frame 122 and a lifting guide mechanism 123 are also configured. The front side of the lifting guide mechanism 123 is slidably connected to the back of the chuck 15, and the rear side is fixed to the vertically arranged lifting support frame 122; one option is that the lifting guide mechanism 123 adopts a slider rail structure, in which the vertical slide rail is installed on the lifting support frame 122, and the slider in the slider rail structure is installed on the back of the chuck 15. In order to further improve the stability and lifting capacity of the automatic unwinding device 1, a lifting auxiliary cylinder 124 installed on the unwinding installation platform 11 can also be provided at the bottom of the lifting guide mechanism 123, and the lifting auxiliary cylinder 124 is used to drive the slider in the slider rail structure to lift and lower in the vertical direction.

[0030] For the transport device 2, if Figure 4 As shown, the transport device 2 includes a drive motor 21, a slide rail 22, a slider 23, a transport support frame 24 and a tank chain 25. A drive motor 21 is provided at one end of the transport support frame 24. The drive motor 21 includes a left drive motor 21 and a right drive motor 21; the slide rail 22 is located on the inner side of the transport support frame 24 and is fixed by bolts. The slide rail 22 includes a left slide rail 22 and a right slide rail 22; the slider 23 is located between the base platform 4 and the slide rail 22. The slider 23 is fixed to the bottom of the base platform 4 with bolts. The slider 23 includes a left slider 23 and a right slider 23; the tank chain 25 is located on the outside of the slide rail 22 and the slider 23. The tank chain 25 includes a left tank chain 25 and a right tank chain 25; the transport support frame 24 is located on the outside of the slide rail 22 and 3 mm below the slider 23. The transport support frame 24 includes a left transport support frame 241 and a right transport support frame 242.

[0031] like Figure 5 As shown: the base platform 4 is located at the bottom of the automatic winding device 1 and above the transportation device 2, and the base platform 4 is bolted to the winding installation platform 11, the support base 31, and the slider 22.

[0032] When the lithium battery diaphragm slitting and unwinding automatic device of the present invention is in use, the driving motor 21 drives the slider 23 according to the instructions issued by the PLC to drive the automatic unwinding device 1 to approach the diaphragm slitting machine, and makes the arc-shaped supporting grooves at the front end of the chuck 15 be located directly below the corresponding film roll; then the lifting driving cylinder 121 drives the chuck 15 to rise and hold up the film roll; the driving motor 21 drives the slider 23 again to drive the automatic unwinding device 1 away from the diaphragm slitting machine and exit the production area to complete the automatic unwinding.

[0033] The automatic slitting and unwinding device of the present invention reduces production costs and other work requirements. The automatic unwinding device 1 is pushed forward, the clamping head 15 is driven to clamp the film roll, and the transport device automatically retreats, thereby realizing the automatic unwinding of the slitting product.

[0034] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. Technologies not covered by the present invention can be implemented by existing technologies.

Claims

1. A lithium battery separator slitting and unwinding automatic device, Features: The device comprises a plurality of automatic unwinding devices (1) arranged on a base platform (4), the number and distribution positions of the automatic unwinding devices (1) corresponding to the number and positions of film roll segments cut out by a diaphragm slitting machine, and the base platform (4) is mounted on a transport device (2) to drive the automatic unwinding devices (1) to approach or move away from the diaphragm slitting machine; the automatic unwinding device (1) comprises an unwinding installation platform (11), a chuck lifting module (12), a chuck installation platform (13) and a chuck (15); the chuck lifting module (12) having a bottom mounted on the unwinding installation platform (11) has a chuck installation platform (13) mounted on its lifting top end, and the chuck (15) is mounted on the chuck installation platform (13); the chuck lifting module (12) drives the chuck (15) to lift or release the film roll.

2. The lithium battery separator slitting and unwinding automated device according to claim 1, Features: The lower roll-up installation platform (11) is directly fixed on the base platform (4) or is installed and fixed on the base platform (4) via a longitudinal support mechanism (3).

3. The lithium battery separator slitting and unwinding automated device according to claim 2, Features: The longitudinal support mechanism (3) comprises a support base (31) and a support back plate (32) fixedly mounted on the base platform (4); the bottom of the vertically arranged support back plate (32) is fixed on the support base (31) and the top of the roll-down mounting platform (11) is mounted.

4. The lithium battery separator slitting and unwinding automated device according to claim 1, Features: The chuck lifting module (12) comprises a lifting drive cylinder (121), the lifting drive cylinder (121) is installed on the lower roll installation platform (11), and the chuck installation platform (13) is installed on the lifting top end of the lifting drive cylinder (121).

5. The lithium battery separator slitting and unwinding automated device according to claim 1 or 4, Features: The chuck lifting module (12) further comprises a lifting support frame (122) and a lifting guide mechanism (123), wherein the front side of the lifting guide mechanism (123) is slidably connected to the back of the chuck (15), and the rear side is fixed to the vertically arranged lifting support frame (122).

6. The lithium battery separator slitting and unwinding automated device according to claim 5, Features: The lifting guide mechanism (123) adopts a slider rail structure, wherein the vertical slide rail in the slider rail structure is installed on the lifting support frame (122), and the slider in the slider rail structure is installed on the back of the clamp (15).

7. The lithium battery separator slitting and unwinding automated device according to claim 6, Features: A lifting auxiliary cylinder (124) mounted on the lower roll-up mounting platform (11) is provided at the bottom of the lifting guide mechanism (123); the lifting auxiliary cylinder (124) is used to drive a slider in the slider rail structure to lift and lower in a vertical direction.

8. The lithium battery separator slitting and unwinding automated device according to claim 1 or 4, Features: A chuck rib (14) is provided on the inner side of the connection between the chuck (15) and the chuck mounting platform (13); the chuck (15) comprises a support plate (151), and two groups of fins (152) located at both ends of the support plate (151) and arranged in parallel; and the fins (152) are provided with supporting grooves.

9. The lithium battery separator slitting and unwinding automated device according to claim 8, Features: Both ends of the support plate (151) are provided with transverse adjustment slots, and the fins (152) can move along the setting direction of the transverse adjustment slots to adjust the spacing between the two groups of fins (152), and the tail ends of the fins (152) are fixed to the transverse adjustment slot area of ​​the support plate (151) through the limiting structure (153); the fins (152) are composed of a rear fin portion fixedly mounted on the support plate (151) and a front fin portion provided with a supporting slot, and the rear fin portion and the front fin portion are detachably fixedly connected.

10. The lithium battery separator slitting and unwinding automated device according to claim 1, Features: The transport device (2) comprises a driving motor (21), a slide rail (22), a slider (23) and a transport support frame (24). The transport support frame (24) is symmetrically arranged at both ends of the base platform (4), and the transport support frame (24) and the base platform (4) are vertically arranged. The transport support frame (24) is provided with matching embedded slide rails (22) and sliders (23), and the sliders (23) are fixedly arranged at the bottom of both ends of the base platform (4). The driving motor (21) for driving the slider (23) to move back and forth through a linear module is arranged at one end of any transport support frame (24) or one end of one of the transport support frames (24). The transport support frame (24) is provided with a tank chain (25), and the two ends of the tank chain (25) are respectively connected to the slider (23) and the driving motor (21).

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