Lithium battery diaphragm slitter edge traction machine

Abstract

The utility model discloses a lithium battery diaphragm slitter edge traction machine which comprises a machine frame, and further comprises a traction roller which is installed on the machine frame in a rotating mode, and the surface of the traction roller is provided with pattern processing. The driven roller is matched with the traction roller, can move towards or away from the traction roller in the vertical direction and is used for pressing the slitter edge; and the static electricity eliminating device is mounted on the rack and used for eliminating static electricity on the surfaces of the slitter edges and / or the driven roller. The surface of the traction roller is subjected to pattern treatment, so that the friction coefficient of the surface of the traction roller can be improved, the traction force is enhanced, waste edge adhesion is reduced, and the waste edge traction reliability is improved. The driven roller is matched with the traction roller, the pressing force of the driven roller on the slitter edge can be adjusted according to actual production requirements, the traction effect is optimized, and an operator can conveniently maintain and clean equipment. The static electricity eliminating device can effectively eliminate static electricity on waste edges and the surface of the rubber roller, prevent the waste edges from winding the roller body due to static electricity adsorption, and improve the running stability of equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lithium battery diaphragm production equipment, more particularly to a lithium battery diaphragm scrap edge traction machine. BACKGROUND

[0002] In the wet lithium battery diaphragm production process, the diaphragm edge part is clamped after the stretching machine, needs to be cut on line, and the generated scrap edge is separately rolled. In order to ensure that the tension of the scrap edge winding is stable, avoid the scrap edge from being broken at the edge cutting equipment due to unstable tension when manually changing the winding, a scrap edge traction machine is usually arranged between the scrap edge winding machine and the edge cutting equipment. The existing scrap edge traction machine does not have an anti-winding roller measure, and when the scrap edge is broken at the outlet of the traction machine, it is easy to wind the traction roller and the driven rubber roller, which needs to be handled, and seriously affects the production stability.

[0003] Therefore, how to provide a lithium battery diaphragm scrap edge traction machine capable of effectively solving the problem of scrap edge breakage winding the roller body becomes a technical problem urgently to be solved in the field. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a lithium battery diaphragm scrap edge traction machine capable of effectively solving the problem of scrap edge breakage winding the roller body.

[0005] The utility model provides a lithium battery diaphragm scrap edge traction machine, including the frame, still includes:

[0006] The traction roller is rotatably installed on the frame, and the surface is provided with a pattern treatment;

[0007] The passive roller is matched with the traction roller and can move towards or away from the traction roller in the vertical direction, and is used for pressing the scrap edge;

[0008] The static electricity elimination device is installed on the frame and is used for eliminating the static electricity on the surface of the scrap edge and / or the passive roller.

[0009] Optionally, the lithium battery diaphragm scrap edge traction machine further includes a scraper plate, which is installed on the frame and is located below or on the side of the traction roller, and the edge of the scraper plate is close to the surface of the traction roller.

[0010] Optionally, the material of the scraper plate is an elastic material. Preferably, it is rubber or plastic.

[0011] Optionally, the surface pattern treatment of the traction roller is knurling structure, mesh structure or groove structure.

[0012] Optionally, the static electricity elimination device is a non-contact static electricity elimination device, preferably a non-contact static electricity eliminator.

[0013] Optionally, the lithium battery diaphragm scrap edge traction machine further includes a linear guide rail, and the passive roller is movably installed on the frame through the linear guide rail.

[0014] Optionally, the lithium battery diaphragm scrap edge traction machine further comprises a pneumatic cylinder fixed on the frame, and a piston rod of the pneumatic cylinder is connected with the passive roller for driving the passive roller to move along the linear guide rail.

[0015] Optionally, the lithium battery diaphragm scrap edge traction machine further comprises a pressure regulating valve arranged on a gas circuit of the pneumatic cylinder for regulating the pressure of the pneumatic cylinder so as to control the pressing force of the passive roller on the scrap edge.

[0016] Optionally, the pressure regulating valve is a precision pressure reducing valve, and a pressure regulating error range of the pressure reducing valve reaches 0.1%.

[0017] Optionally, the lithium battery diaphragm scrap edge traction machine further comprises a width limiting part and a height limiting part arranged on the frame for guiding the scrap edge to enter.

[0018] According to the technical content disclosed by the utility model, the following beneficial effects are achieved:

[0019] The lithium battery diaphragm scrap edge traction machine provided by the utility model has the traction roller rotatably installed on the frame, the surface of the traction roller is provided with a pattern treatment, the friction coefficient of the surface of the traction roller can be improved, the traction force is enhanced, and the scrap edge adhesion is reduced, so that the reliability of the scrap edge traction is improved. The passive roller is matched with the traction roller and can move towards or away from the traction roller in the vertical direction, is used for pressing the scrap edge, so that the pressing force of the passive roller on the scrap edge can be adjusted according to actual production requirements, the traction effect is optimized, and the equipment maintenance and cleaning of the operating personnel are facilitated. The static electricity eliminating device is installed on the frame and is used for eliminating the static electricity on the surface of the scrap edge and the passive roller, the static electricity on the surface of the scrap edge and the rubber roller can be effectively eliminated, the scrap edge is prevented from being adsorbed and wound on the roller body due to static electricity, and the operation stability of the equipment is improved.

[0020] Other features and advantages of the utility model will become apparent from the following detailed description of exemplary embodiments thereof, with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings incorporated in and forming a part of the specification illustrate embodiments of the utility model and, together with the description, serve to explain the principles of the utility model.

[0022] Figure 1 It is a first perspective view structure drawing of the lithium battery diaphragm scrap edge traction machine of the utility model.

[0023] Figure 2 It is a second perspective view structure drawing of the lithium battery diaphragm scrap edge traction machine of the utility model.

[0024] Explanation of reference signs: 1, caster; 2, rack; 3, height limit; 4, waste edge; 5, width limit; 6, pressure regulating valve; 7, air cylinder; 8, static eliminator; 9, hand valve; 10, linear guide rail; 11, passive rubber roller; 12, traction roller; 13, scraper; 14, speed reducer motor. DETAILED DESCRIPTION

[0025] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of components and steps, numerical expressions, and numerical values set forth in these embodiments are illustrative only and do not limit the scope of the present application unless otherwise specifically stated.

[0026] The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the present application or its application or uses.

[0027] Techniques, methods, and apparatus known to those of ordinary skill in the relevant art can not be discussed in detail herein, but should be considered as if the techniques, methods, and apparatus were discussed in detail herein, where appropriate.

[0028] In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as a limitation. Thus, other examples of the exemplary embodiments can have different values.

[0029] It should be noted that like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be discussed further in subsequent drawings.

[0030] As shown in Figs. 1-3, the present application is a lithium battery separator waste edge traction machine, which mainly comprises a caster 1, a rack 2, a height limit 3, a width limit 5, a traction roller 12, a passive rubber roller 11, an air cylinder 7, a pressure regulating valve 6, a static eliminator 8, a scraper 13, and a speed reducer motor 14. Figure 1 Figure 2 The rack 2 is a support frame of the entire device, and the bottom is provided with the caster 1 for facilitating the movement of the equipment. The height limit 3 and the width limit 5 are installed at the entrance of the traction mechanism, which is used to guide the waste edge 4 into the traction mechanism, to ensure that the waste edge 4 enters in a proper posture and width, and to avoid deviation or wrinkling. The height limit 3 and the width limit 5 can adopt an adjustable structure, such as a bolt adjustment or a sliding block adjustment, to adapt to different specifications of the waste edge.

[0031] The rack 2 is a support frame of the entire device, and the bottom is provided with the caster 1 for facilitating the movement of the equipment. The height limit 3 and the width limit 5 are installed at the entrance of the traction mechanism, which is used to guide the waste edge 4 into the traction mechanism, to ensure that the waste edge 4 enters in a proper posture and width, and to avoid deviation or wrinkling. The height limit 3 and the width limit 5 can adopt an adjustable structure, such as a bolt adjustment or a sliding block adjustment, to adapt to different specifications of the waste edge.

[0032] ​The traction roller 12 is rotatably mounted on the frame 2 and is driven to rotate by a reduction motor 14 through a shaft coupling or a belt, etc. The length of the traction roller 12 can be slightly larger than the width of the scrap edge, and the surface of the traction roller 12 is knurled to form a rough surface to increase the friction with the scrap edge 4 and improve the traction effect. Alternatively, the surface of the traction roller 12 can also adopt a net texture or a groove structure, which can also achieve the purpose of increasing the friction coefficient. The reduction motor 14 is selected as a servo motor to realize accurate speed control.

[0033] The passive roller is a passive rubber roller 11 mounted on the slider of the linear guide rail 10, and the linear guide rail 10 is fixed on the frame 2. The material of the passive rubber roller 11 is preferably an elastic material such as rubber or polyurethane, and the outer surface is smooth to protect the scrap edge 4 from being scratched. The diameter and length of the passive rubber roller 11 can be the same as or slightly smaller than those of the traction roller 12. The cylinder 7 is fixed on the frame 2, and the piston rod thereof is connected with the shaft seat of the passive rubber roller 11. The air inlet of the cylinder 7 is controlled by the hand valve 9 to drive the passive rubber roller 11 to move along the linear guide rail 10 in the vertical direction, so as to realize the pressing and separation with the traction roller 12. The pressure regulating valve 6 is installed on the air inlet pipeline of the cylinder 7 to accurately adjust the pressure of the cylinder 7, so as to accurately control the pressing force of the passive rubber roller 11 on the scrap edge 4.

[0034] In some embodiments, the linear guide rail 10 preferably adopts a precision linear guide rail to ensure the stability and precision of the movement of the passive rubber roller 11. The cylinder 7 is fixed on the frame 2 and preferably adopts a small cylinder. The piston rod of the cylinder 7 is connected with the shaft seat of the passive rubber roller 11 through a connecting piece. The air inlet of the cylinder 7 is controlled by the hand valve 9 to drive the passive rubber roller 11 to move along the linear guide rail 10 in the vertical direction, so as to realize the pressing and separation with the traction roller 12. The hand valve 9 can also be replaced by an electromagnetic valve to realize automatic control.

[0035] In some embodiments, the pressure regulating valve 6 is installed on the air inlet pipeline of the cylinder 7 to adjust the pressure of the cylinder 7, so as to accurately control the pressing force of the passive rubber roller 11 on the scrap edge 4. The pressure regulating valve 6 preferably adopts a precision pressure reducing valve, and the pressure regulating error range is preferably 0.1% to ensure the accurate adjustment of the pressing force.

[0036] The electrostatic eliminator 8 is non-contact mounted on the frame 2 and located above the scrap edge outlet side of the traction roller 12, for example, a capacitive coupling type electrostatic eliminator rod, the working principle is to generate high voltage electric field by high voltage generator, air ionization produces positive and negative ions, neutralize the static charge on the surface of the scrap edge and the rubber roller. Alternatively, the electrostatic eliminator 8 can also adopt a non-contact electrostatic eliminator brush. The effective action area of the electrostatic eliminator 8 needs to cover the width of the scrap edge 4 to ensure the electrostatic elimination effect. The working principle of the electrostatic eliminator 8 is to generate high voltage electric field by high voltage generator, air ionization produces positive and negative ions, neutralize the static charge on the surface of the scrap edge and the rubber roller, so as to prevent the scrap edge 4 from being adsorbed and wound on the roller body due to static electricity.

[0037] The scraper 13 is installed on the rack 2 below the traction roller 12, and is made of rubber material and has a certain elasticity, which can avoid scratching the surface of the traction roller 12. Alternatively, the scraper 13 can also be made of plastic material, such as polytetrafluoroethylene (PTFE) or polyoxymethylene (POM), etc., which has a lower friction coefficient. The scraper edge of the scraper 13 is close to the surface of the traction roller 12, but maintains a certain gap to avoid excessive friction. The function of the scraper 13 is to scrape the scrap edge 4 that may be adhered or wound on the traction roller 12, to prevent the scrap edge from winding the roller body and to ensure the stable operation of the equipment.

[0038] The speed reducer motor 14 is used to drive the traction roller 12 to rotate, and the hand valve 9 is used to control the action of the air cylinder 7, which are all standard components commonly used in the prior art, and will not be described here.

[0039] In actual use, the scrap edge traction machine of the utility model is installed between the edge cutting equipment and the scrap edge winding machine of the lithium battery separator production line. After the scrap edge 4 is output from the edge cutting equipment, it is guided into the traction mechanism through the height limiting 3 and the width limiting 5. The operator moves the hand valve 9 to control the action of the air cylinder 7, and presses the driven rubber roller 11 on the traction roller 12 in the vertical direction to clamp the scrap edge 4. Start the speed reducer motor 14 to drive the traction roller 12 to rotate, and pull the scrap edge 4 to the scrap edge winding machine in the next process. The pressure regulating valve 6 can precisely adjust the pressing force of the driven rubber roller 11 according to the actual production situation to ensure the best traction effect. The non-contact static eliminator 8 installed on the rack 2 continuously eliminates static electricity to prevent the scrap edge 4 from being attracted and wound on the roller body due to static electricity. The scraper 13 continuously scrapes the scrap edge 4 that may be wound on the traction roller 12 to ensure the stable operation of the equipment.

[0040] In summary, the scrap edge traction machine of the lithium battery separator provided by the utility model effectively solves the problem that the scrap edge is easy to wind on the roller body in the prior art by adopting the traction roller 12 with surface pattern treatment, the driven rubber roller 11 movable in the vertical direction and the static eliminator 8 installed on the rack 2, significantly improves the reliability and stability of the scrap edge traction, reduces the risk of equipment downtime, ensures the continuous and stable operation of the lithium battery separator production line, thereby improving the production efficiency and product quality. In addition, the precise and adjustable pressing force mechanism and the scraper 13 further optimize the traction effect and reduce the maintenance cost, so that the utility model has the advantages of simple structure, convenient operation, reliable performance, convenient maintenance, etc., and has good industrial application prospect.

[0041] While specific embodiments of the application have been described in detail, those familiar with the art will appreciate that the examples given are by way of example and are not meant to limit the scope of the application. Those skilled in the art will recognize or be able to ascertain using no more than routine experimentation, many equivalents to the specific embodiments of the application described herein. It is therefore intended that the scope of the application be determined by the following claims.

Claims

1. A lithium battery separator slitter edge puller comprising a frame, characterized in that, Also include: A traction roller is rotatably mounted on the frame, and the surface of the traction roller is provided with a pattern treatment; A passive roller cooperates with the traction roller and is movable in the vertical direction towards or away from the traction roller for compacting the scrap edge; An electrostatic elimination device is mounted on the frame for eliminating static electricity on the surface of the scrap edge and / or the passive roller.

2. The lithium battery separator slitter drag according to claim 1, characterized in that: The lithium battery diaphragm scrap edge traction machine further comprises a scraper mounted on the frame below or beside the traction roller, and the scraper edge is close to the surface of the traction roller.

3. The lithium battery separator slitter drag according to claim 2, characterized in that: The material of the scraper is elastic material.

4. The lithium battery separator slitter drag according to claim 1, wherein: The surface pattern treatment of the traction roller is knurling structure, mesh structure or groove structure.

5. The lithium battery separator slitter drag according to claim 1, wherein: The electrostatic elimination device is a non-contact electrostatic elimination device.

6. The lithium battery separator slitter tractor of any of claims 1 to 5, wherein: The lithium battery diaphragm scrap edge traction machine further comprises a linear guide, and the passive roller is movably mounted on the frame through the linear guide.

7. The lithium battery separator slitter drag according to claim 6, characterized in that: The lithium battery diaphragm scrap edge traction machine further comprises a gas cylinder fixed on the frame, and the piston rod of the gas cylinder is connected with the passive roller for driving the passive roller to move along the linear guide.

8. The lithium battery separator slitter drag according to claim 7, characterized in that: The lithium battery diaphragm scrap edge traction machine further comprises a pressure regulating valve arranged on the gas circuit of the gas cylinder for adjusting the pressure of the gas cylinder to control the compacting force of the passive roller on the scrap edge.

9. The lithium battery separator slitter drag according to claim 8, characterized in that: The pressure regulating valve is a precision pressure reducing valve, and the pressure regulating error range reaches 0.1%.

10. The lithium battery separator slitter tractor of any one of claims 1 to 5, wherein: The lithium battery diaphragm scrap edge traction machine further comprises a width limiting and height limiting arranged on the frame for guiding the scrap edge to enter.

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