Smearing device for producing polypropylene coated diaphragm with low hole closing temperature

Abstract

The utility model provides a smearing device for producing a polypropylene coated diaphragm with low closed pore temperature, which relates to the technical field of smearing devices and comprises a base, a connecting plate is fixedly mounted on the top surface of the base, a motor is fixedly mounted on the surface of the connecting plate, and a rotating shaft is mounted at the output end of the motor. And a smearing roller is fixedly mounted at one end of the rotating shaft. The scraping plate can scrape off residual coating on the surface in the rotating process of the coating roller and discharge the coating through the coating discharge groove, so that waste of the coating is reduced, cleanness of the coating roller is kept, the use efficiency of the coating is improved, the position of the scraping plate can be finely adjusted to adapt to abrasion of the coating roller, and the coating roller is convenient to use. And the stability and the coating quality in long-term use are ensured, so that through reasonable design, the situation that the coating on the surface of the coating roller is splashed and thrown out due to excessive coating is avoided, the pollution to the working environment and the waste of materials are reduced, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of coating devices, in particular to a coating device for producing low-closed-cell temperature polypropylene coated diaphragms. Background Art

[0002] Low-shutdown-temperature polypropylene coated separators are key components in lithium batteries, used to separate the positive and negative electrodes of the battery, prevent short circuits while allowing ions to pass through. The quality of the separator directly affects the safety and efficiency of the battery. In order to increase performance, polypropylene coating is needed to provide an additional isolation layer to enhance the performance of the separator.

[0003] Announcement No. CN217699847U discloses a coating device for producing oily polymer coated diaphragms, comprising: a base, four corners of the bottom of the base are connected with support legs, a bearing plate is connected between the four support legs, a waste recovery device is provided on the bearing plate, a connection plate is connected to the top of the base, two coating rollers are rotatably connected between the two connecting plates, one end of the two coating rollers passes through the connecting plate, and the ends are connected with a rotating device, the two coating rollers are staggered up and down, and the two connecting plates between the two coating rollers are plugged with relatively arranged electric telescopic columns, the ends of the two electric telescopic columns are connected with clamping blocks, and the side of the base away from the rotating device is connected with a suction device. Although this type of coating device can recycle the coating that may drip during the coating process to reduce its waste. However, due to the lack of an effective cleaning mechanism, the coating roller is prone to accumulate residual coating during use, resulting in frequent shutdown for cleaning, which reduces production efficiency, and the coating roller surface is prone to splashing and throwing out when there is too much coating, which leads to pollution of the working environment and increases the difficulty of cleaning and maintenance. Therefore, improvements are needed. Utility Model Content

[0004] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0005] The utility model adopts the following technical scheme: a coating device for producing low closed-cell temperature polypropylene coated diaphragms, comprising a base, a connecting plate fixedly installed on the top surface of the base, a motor fixedly installed on the surface of the connecting plate, a rotating shaft installed on the output end of the motor, a coating roller fixedly installed on one end of the rotating shaft, an entry tube fixedly installed on the surface of the connecting plate, an electric push rod fixedly installed on the surface of the connecting plate, a placement plate installed on the output end of the electric push rod, a clamp installed on the top surface of the placement plate, a cross plate fixedly installed on the side of the connecting plate, a screw rod and a sliding rod penetrate the side of the cross plate, the cross plate and the sliding rod are slidably connected, one end of the screw rod is rotatably connected to a scraper, and the sliding rod is fixedly connected to the scraper.

[0006] Preferably, the material of the smear roller is sponge, and the material of the scraper is natural rubber. Here, the smear roller is made of soft material to avoid scratching the diaphragm.

[0007] Preferably, a paint discharge groove is provided on the side of the scraper, and the paint discharge grooves are arranged at equal distances on the side of the scraper.

[0008] Preferably, the inlet pipe, the connecting plate, the rotating shaft and the coating roller are all connected.

[0009] Preferably, the interior of the transverse plate is provided with threads, and the threads are meshed with the lead screw.

[0010] Preferably, the bottom surface of the base is provided with a mounting groove, the inner side of the mounting groove is provided with a side groove, the inner wall of the side groove is slidably connected with a side block, the side of the side block is fixedly provided with a waste recycling box, the top surface of the side block is fixedly provided with a rubber strip, the bottom surface of the waste recycling box is fixedly provided with a discharge pipe, and the surface of the discharge pipe is provided with a pipe cover. Here, the recycled paint can be conveniently handled.

[0011] Preferably, the surface of the discharge pipe is provided with an external thread, the inner side of the pipe cover is provided with an internal thread engaged with the external thread, and the surface of the base is provided with a through hole. Here, the paint can be collected conveniently.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, when it is actually used, the diaphragm is placed on the placement plate and fixed by a clamp, and then the placement plate is driven to move by the electric push rod until the diaphragm is pushed to the bottom of the coating roller, and then the motor drives the rotating shaft to rotate, and then the rotating shaft drives the coating roller to rotate, and the inlet pipe is connected to the external coating source, and then the coating passes through the inlet pipe, the connecting plate, the rotating shaft in turn, and finally discharged through the coating roller, and then the coating roller is driven to rotate by the motor, and the coating roller can now coat the diaphragm, and at the same time, through the scraper provided, the scraper can be pressed against the coating roller, so that during the rotation of the coating roller, the excess residual coating on the surface can be scraped off and discharged through the coating discharge groove, and at this time, the coating can be recycled by dripping into the waste recycling box through the hole, so that too much coating on the surface of the coating roller can be avoided from being splashed and thrown out, and the position of the scraper provided can also be fine-tuned, so that When the wear of the coating roller becomes less, it can also adapt to the worn coating roller. When adjusting, it only needs to rotate the screw rod. At this time, since the inside of the cross plate is provided with a thread, the screw rod can move inside the cross plate, and the screw rod then drives the scraper to move. At this time, the distance between the scraper and the coating roller can be adjusted, so that the scraper can always be close to the coating roller. The scraper provided in the utility model can scrape off the excess residual paint on the surface of the coating roller during the rotation of the coating roller and discharge it through the coating discharge groove. This not only reduces the waste of paint, but also keeps the coating roller clean and improves the efficiency of paint use. The fine-tuning function of the scraper position can adapt to the wear of the coating roller and ensures the stability and coating quality in long-term use. Therefore, through reasonable design, excessive paint on the surface of the coating roller is avoided and splashed out, which reduces the pollution of the working environment and the waste of materials, and has high practicality.

[0014] 2. In the utility model, during actual use, the dripping paint can be recovered by dripping into the waste recovery box through the hole. When the paint in the waste recovery box needs to be processed, the staff only needs to pull the waste recovery box outward, and the waste recovery box then drives the side blocks to slide in the side grooves until the side blocks slide out. At this time, the waste recovery box can be removed, and then it is only necessary to unscrew the pipe cover. At this time, the paint can be discharged through the discharge pipe. When installing the waste recovery box, it is only necessary to align the side blocks on the waste recovery box with the side grooves and slide them in, and then the position of the waste recovery box can be limited by the friction between the rubber strip and the side grooves. The waste recovery box set by the utility model can conveniently recover the dripping paint, and it is easy to remove and install. When processing the paint, it is only necessary to unscrew the pipe cover without overturning the waste recovery box, which reduces the work intensity and has high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of a coating device for producing a low-closed-cell temperature polypropylene coated diaphragm is provided for the utility model;

[0016] Figure 2A top view of a coating device for producing a low-closed-cell temperature polypropylene coated diaphragm is provided for the utility model;

[0017] Figure 3 The utility model proposes a coating device for producing low-closed-cell temperature polypropylene coated diaphragm Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 A bottom view of a coating device for producing a low-closed-cell temperature polypropylene coated diaphragm is provided for the utility model;

[0019] Figure 5 An exploded diagram of a coating device for producing a low-closed-cell temperature polypropylene coated diaphragm is proposed for the utility model;

[0020] Figure 6 The utility model proposes a coating device for producing low-closed-cell temperature polypropylene coated diaphragm Figure 5 Enlarged view of point B in the middle.

[0021] Legend:

[0022] 1. Base; 2. Connecting plate; 3. Motor; 4. Rotating shaft; 5. Coating roller; 6. Inlet pipe; 7. Electric push rod; 8. Placement plate; 9. Clamp; 10. Horizontal plate; 11. Screw rod; 12. Slide rod; 13. Scraper; 14. Paint discharge groove; 15. Mounting groove; 16. Side groove; 17. Side block; 18. Waste recycling box; 19. Rubber strip; 20. Discharge pipe; 21. Pipe cover; 22. Through hole. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0025] Embodiment 1

[0026] See also Figure 1-6The utility model provides a technical solution: a coating device for the production of low closed-cell temperature polypropylene coated diaphragms, comprising a base 1, a connecting plate 2 is fixedly installed on the top surface of the base 1, a motor 3 is fixedly installed on the surface of the connecting plate 2, a rotating shaft 4 is installed on the output end of the motor 3, a coating roller 5 is fixedly installed on one end of the rotating shaft 4, an inlet pipe 6 is fixedly installed on the surface of the connecting plate 2, the inlet pipe 6, the connecting plate 2, the rotating shaft 4 and the coating roller 5 are all connected, an electric push rod 7 is fixedly installed on the surface of the connecting plate 2, and a release roller 5 is installed on the output end of the electric push rod 7. The placing plate 8 is provided with a clamp 9 on the top surface of the placing plate 8. The diaphragm is placed on the placing plate 8 and fixed by the clamp 9. The placing plate 8 is then driven to move by the electric push rod 7 until the diaphragm is pushed to the bottom of the coating roller 5. The rotating shaft 4 is then driven to rotate by the motor 3. The rotating shaft 4 then drives the coating roller 5 to rotate, and the inlet pipe 6 is connected to the external coating source. The coating then passes through the inlet pipe 6, the connecting plate 2, the rotating shaft 4 in turn, and is finally discharged through the coating roller 5. The coating roller 5 is then driven to rotate by the motor 3, and the coating roller 5 can now coat the diaphragm.

[0027] See also Figure 1-6 A horizontal plate 10 is fixedly installed on the side of the connecting plate 2, and a screw rod 11 and a slide rod 12 are penetrated on the side of the horizontal plate 10. A thread is provided inside the horizontal plate 10, and the thread is meshed with the screw rod 11. The horizontal plate 10 and the slide rod 12 are slidably connected. One end of the screw rod 11 is rotatably connected with a scraper 13. Through the scraper 13, the scraper 13 can be against the coating roller 5, so that during the rotation of the coating roller 5, the excess residual paint on the surface can be scraped off and discharged through the coating discharge groove 14. At this time, the paint can be dripped into the waste recycling box 18 through the hole 22 for recovery, so that the coating roller 5 can be prevented from being splashed and thrown out due to excessive paint on the surface of the coating roller 5. The material of the coating roller 5 is sponge, and the scraper 1 3 is made of natural rubber. The scraper 13 made of natural rubber is relatively soft. A paint discharge groove 14 is provided on the side of the scraper 13. The position of the scraper 13 can also be fine-tuned. In this way, when the smear roller 5 is worn less, it can also adapt to the worn smear roller 5. When adjusting, it is only necessary to rotate the screw rod 11. At this time, since the inside of the cross plate 10 is provided with a thread, the screw rod 11 can move inside the cross plate 10 at this time, and the screw rod 11 then drives the scraper 13 to move. At this time, the distance between the scraper 13 and the smear roller 5 can be adjusted, so that the scraper 13 is always close to the smear roller 5. The paint discharge grooves 14 are arranged at equal distances on the side of the scraper 13, and the slide bar 12 is fixedly connected to the scraper 13.

[0028] Embodiment 2

[0029] See also Figure 5-6The bottom surface of the base 1 is provided with a mounting groove 15, the inner side of the mounting groove 15 is provided with a side groove 16, the inner wall of the side groove 16 is slidably connected with a side block 17, a waste recovery box 18 is fixedly installed on the side of the side block 17, a rubber strip 19 is fixedly installed on the top surface of the side block 17, a discharge pipe 20 is fixedly installed on the bottom surface of the waste recovery box 18, an external thread is provided on the surface of the discharge pipe 20, an internal thread engaged with the external thread is provided on the inner side of the pipe cover 21, a through hole 22 is provided on the surface of the base 1, and the surface of the discharge pipe 20 is sleeved with a pipe cover 21, and the dripping paint can drip into the waste through the through hole 22 The paint is recycled in the waste recycling box 18. When the paint in the waste recycling box 18 needs to be processed, the staff only needs to pull the waste recycling box 18 outward, and the waste recycling box 18 then drives the side block 17 to slide in the side groove 16 until the side block 17 slides out. At this time, the waste recycling box 18 can be removed, and then you only need to unscrew the pipe cover 21. At this time, the paint can be discharged through the discharge pipe 20. When installing the waste recycling box 18, you only need to align the side block 17 on the waste recycling box 18 with the side groove 16 and slide it in, and then the position of the waste recycling box 18 can be limited by the friction between the rubber strip 19 and the side groove 16.

[0030] Working principle: the diaphragm is placed on the placement plate 8 and fixed by the clamp 9, and then the placement plate 8 is driven by the electric push rod 7 to move until the diaphragm is pushed to the bottom of the coating roller 5, and then the motor 3 drives the shaft 4 to rotate, and the shaft 4 then drives the coating roller 5 to rotate, and the inlet pipe 6 is connected to the external coating source, and then the coating passes through the inlet pipe 6, the connecting plate 2, the shaft 4 in turn, and finally discharged through the coating roller 5, and then the motor 3 drives the coating roller 5 to rotate, and the coating roller 5 can now coat the diaphragm, and at the same time, the scraper 13 is set, and the scraper 13 is The coating roller 5 can be pressed against the coating roller 5, so that during the rotation of the coating roller 5, the excess residual coating on the surface can be scraped off and discharged through the coating discharge groove 14. At this time, the coating can be dripped into the waste recycling box 18 through the hole 22 for recovery, so that the coating roller 5 can be prevented from being splashed and thrown out due to excessive coating on the surface of the coating roller 5. The position of the scraper 13 can also be fine-tuned, so that when the coating roller 5 is worn less, it can also adapt to the worn coating roller 5. When adjusting, it only needs to rotate the screw rod 11. At this time, since the interior of the cross plate 10 is provided with a thread, the screw rod 11 can be The screw rod 11 then drives the scraper 13 to move inside the horizontal plate 10. At this time, the distance between the scraper 13 and the coating roller 5 can be adjusted, so that the scraper 13 is always close to the coating roller 5. The scraper 13 provided in the utility model can scrape off the excess residual paint on the surface of the coating roller 5 during the rotation of the coating roller 5 and discharge it through the coating discharge groove 14. This not only reduces the waste of paint, but also keeps the coating roller 5 clean and improves the use efficiency of the paint. The dripping paint can be dripped into the waste recovery box 18 through the hole 22 for recovery, and when it is needed, it can be recycled. To process the paint in the waste recycling box 18, the staff only needs to pull the waste recycling box 18 outward, and the waste recycling box 18 will then drive the side block 17 to slide in the side groove 16 until the side block 17 slides out. At this time, the waste recycling box 18 can be removed, and then only the pipe cover 21 needs to be unscrewed, and the paint can be discharged through the discharge pipe 20. When installing the waste recycling box 18, only the side block 17 on the waste recycling box 18 needs to be aligned with the side groove 16 and slide into it, and then the position of the waste recycling box 18 can be limited by the friction between the rubber strip 19 and the side groove 16.

[0031] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A coating device for producing a low-shutdown-temperature polypropylene coated diaphragm, comprising a base (1), characterized in that: A connecting plate (2) is fixedly mounted on the top surface of the base (1), a motor (3) is fixedly mounted on the surface of the connecting plate (2), a rotating shaft (4) is mounted on the output end of the motor (3), a coating roller (5) is fixedly mounted on one end of the rotating shaft (4), an inlet pipe (6) is fixedly mounted on the surface of the connecting plate (2), an electric push rod (7) is fixedly mounted on the surface of the connecting plate (2), a placement plate (8) is mounted on the output end of the electric push rod (7), a clamp (9) is mounted on the top surface of the placement plate (8), a transverse plate (10) is fixedly mounted on the side surface of the connecting plate (2), a screw rod (11) and a sliding rod (12) are penetrated through the side surface of the transverse plate (10), the transverse plate (10) and the sliding rod (12) are slidably connected, one end of the screw rod (11) is rotatably connected to a scraper (13), and the sliding rod (12) is fixedly connected to the scraper (13).

2. The coating device for producing low-closed-cell temperature polypropylene coated diaphragm according to claim 1, characterized in that: The material of the smear roller (5) is sponge, and the material of the scraper (13) is natural rubber.

3. The coating device for producing low-closed-cell temperature polypropylene coated diaphragm according to claim 1, characterized in that: The side surface of the scraper (13) is provided with paint discharge grooves (14), and the paint discharge grooves (14) are arranged at equal distances on the side surface of the scraper (13).

4. The coating device for producing low-closed-cell temperature polypropylene coated diaphragm according to claim 1, characterized in that: The inlet pipe (6), the connecting plate (2), the rotating shaft (4) and the smear roller (5) are all connected.

5. The coating device for producing low-closed-cell temperature polypropylene coated diaphragm according to claim 1, characterized in that: The interior of the transverse plate (10) is provided with a thread, and the thread is meshed with the screw rod (11).

6. The coating device for producing low-closed-cell temperature polypropylene coated diaphragm according to claim 1, characterized in that: The bottom surface of the base (1) is provided with a mounting groove (15), the inner side of the mounting groove (15) is provided with a side groove (16), the inner wall of the side groove (16) is slidably connected with a side block (17), a waste recovery box (18) is fixedly installed on the side of the side block (17), a rubber strip (19) is fixedly installed on the top surface of the side block (17), a discharge pipe (20) is fixedly installed on the bottom surface of the waste recovery box (18), and a pipe cover (21) is sleeved on the surface of the discharge pipe (20).

7. The coating device for producing low-shutdown-temperature polypropylene coated diaphragms according to claim 6, characterized in that: The surface of the discharge pipe (20) is provided with an external thread, the inner side of the pipe cover (21) is provided with an internal thread meshing with the external thread, and the surface of the base (1) is provided with a through hole (22).

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