Water removal device and washing equipment

Abstract

The utility model discloses a water removal device, which is used for scraping water on the surface of a base membrane after the base membrane passes through a water tank and comprises a first fixing component, a second fixing component and a third fixing component, the first guiding and conveying mechanism is installed on the first fixing component and used for guiding the base film passing through the water tank to move; the scraper is installed on the first fixing component and used for scraping water on the surface of the base film guided and conveyed by the first guiding and conveying mechanism. The utility model further discloses washing equipment adopting the water removal device and the electrostatic generation device. The washing equipment is used for washing the base membrane. The water removal device disclosed by the utility model can be used for scraping water on the surface of the base film washed by the water tank, so that the water on the surface of the base film can be reduced, and therefore, when the base film is in contact with the traction roller, enough friction force between the traction roller and the base film is ensured, and the problem that the edge of the base film is wrinkled in the transmission process is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of base film processing equipment, in particular to a water removal device and water washing equipment. Background Art

[0002] There is an oil coating process in the preparation process of lithium battery separators. This process is a process in which an oily material is coated on the base film and then extracted by a water washing mechanism. When the base film passes through the water washing mechanism, a large amount of deionized water will be carried on the surface of the base film. When there is a lot of deionized water on the surface of the base film, it will affect the surface friction of the traction roller in contact with the base film, resulting in wrinkles on the edge of the base film.

[0003] However, when a wrinkled base film is used to form a separator of a lithium battery, the performance of the lithium battery will be affected. Utility Model Content

[0004] The main purpose of the utility model is to provide a water removal device, aiming to solve the problem of more residual water on the surface of the washed base film.

[0005] To achieve the above object, one aspect of the utility model provides a water removal device for scraping water off the surface of the base film after the base film passes through the water tank. The water removal device comprises:

[0006] a first fixing member;

[0007] A first guiding mechanism, the first guiding mechanism is installed on the first fixing member to guide the base film to move after passing through the water tank;

[0008] The scraper is installed on the first fixed component and is used to scrape off the water on the surface of the base film guided and transported by the first guiding mechanism.

[0009] In some embodiments, the first guiding mechanism includes two supporting rollers that are opposite and abut against each other, the two supporting rollers are used to clamp and guide the base film, and the scraper scrapes water off the surface of the base film before the base film is placed between the two supporting rollers.

[0010] In some embodiments, the water removal device further includes an adjusting mechanism, through which the scraper can be movably connected to the first fixed component, and the adjusting mechanism is used to adjust the distance between the scraper and the base film.

[0011] In some embodiments, the adjustment mechanism comprises:

[0012] A slide rail, fixed on the first fixing member;

[0013] A slider, slidably arranged on the slide rail;

[0014] A blade holder connected to the slider and used for mounting a scraper;

[0015] The driving assembly is connected to the slider in a transmission manner to drive the slider to drive the tool holder and the scraper to slide along the slide rail to adjust the distance between the scraper and the base film.

[0016] In some embodiments, the adjustment mechanism further comprises:

[0017] A distance measuring component is arranged on the slide rail and is used to monitor the distance between the scraper and the base film;

[0018] The control unit is electrically connected to the distance measuring component and the driving component respectively, so as to control the driving component to drive the slider to drive the tool holder and the scraper to slide along the slide rail according to the information fed back by the distance measuring component, so as to adjust the distance between the scraper and the base film.

[0019] In some embodiments, a drainage groove is provided on the tool holder and is arranged parallel to the scraper. The drainage groove is used to collect water falling on the tool holder. A drain port for draining water is provided on the groove wall of the drainage groove. The bottom of the drainage groove is at least partially inclined, and the drain port is located at the lowest point of the bottom of the groove.

[0020] In some embodiments, the adjustment mechanism also includes a connecting seat, which is arranged between the slider and the tool holder. The connecting seat is fixedly connected to the slider, and the tool holder is rotatably connected to the connecting seat to rotate relative to the slider, so that the tool holder can drive the scraper to rotate to adjust the direction angle of the scraper.

[0021] Another aspect of the present invention provides a water washing device, which is used for washing a base film, and the water washing device comprises:

[0022] A water tank, used for the base film to be drawn into for washing, the water tank having an input side for the base film to be input and an output side for the base film to be output;

[0023] The water removal device as described above is located at the output side of the water tank and is used to remove water from the surface of the base film after being washed in the water tank.

[0024] In some embodiments, the water washing device further comprises an electrostatic generating device, which is located at the input side of the water tank and is used to apply static electricity to the base film before the base film is input into the water tank;

[0025] The electrostatic generating device includes:

[0026] a second fixing member;

[0027] A second guiding mechanism is installed on the second fixing member to guide the base film to move;

[0028] The electrostatic electrode is installed on the second fixing component and is used to apply static electricity to the base film guided and transported by the second guiding mechanism.

[0029] In some embodiments, the water washing equipment includes a plurality of arranged water tanks, a plurality of corresponding water removal devices and a plurality of electrostatic generating devices. In the water removal device and the electrostatic generating device located between two adjacent water tanks, the first fixing component and the second fixing component are the same component.

[0030] The water removal device of the utility model can scrape off the water on the surface of the base film after washing in the water tank, so as to reduce the moisture on the surface of the base film, so that when the base film contacts the traction roller, it is ensured that there is sufficient friction between the traction roller and the base film, thereby reducing the problem of wrinkles on the edge of the base film during transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of a water removal device according to an embodiment of the utility model;

[0032] Figure 2 A schematic diagram of the connection between the scraper and the adjustment mechanism of an embodiment of the utility model;

[0033] Figure 3 for Figure 1 Simple structural diagram of the water removal device;

[0034] Figure 4 It is a structural schematic diagram of a water washing device according to an embodiment of the utility model;

[0035] Figure 5 This is a schematic diagram of the structure of the electrostatic generating device according to an embodiment of the utility model;

[0036] Figure 6 for Figure 1 Simple structural diagram of the static electricity generating device;

[0037] Figure 7 Another structural schematic diagram of the water washing equipment according to an embodiment of the utility model.

[0038] Description of Figure Numbers:

[0039] Dewatering device 100; first fixing member 110; first guiding mechanism 120; supporting roller 121; scraper 130; adjusting mechanism 140; slide rail 141; slider 142; tool holder 143; driving assembly 144; distance measuring component 145; drainage groove 1431; discharge port 1432; connecting seat 146; water tank 200; electrostatic generating device 300; second fixing member 310; second guiding mechanism 320; electrostatic electrode 330; base film A.

[0040] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the scheme in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0042] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, top, bottom, side...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0043] It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0044] In addition, the descriptions involving "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features.

[0045] In view of the technical defects existing in the related art, this embodiment provides a water removal device 100, which is used to scrape off the water on the surface of the base film A after the base film A passes through the water tank 200. Figure 1 As shown, the dewatering device 100 of this embodiment includes a first fixing member 110 and a first guide mechanism 120 and a scraper 130 installed on the first fixing member 110. The first guide mechanism 120 is used to guide the base film A after passing through the water tank 200, so that the base film A is transferred to the next processing equipment through the first guide mechanism 120, such as another water tank 200 or another guide mechanism. The scraper 130 is used to scrape off the water on the surface of the base film A guided and transported by the first guide mechanism 120. Figure 3 As shown, the first guiding mechanism 120 includes two supporting rollers 121 facing and abutting each other, and the two supporting rollers 121 are used to clamp and guide the base film A. The scraper 130 scrapes off the water on the surface of the base film A before the base film A is inserted between the two supporting rollers 121.

[0046] It should be noted that the driving mechanism for applying traction to the base film A may be the first guide mechanism 120 of the dewatering device 100 of this embodiment, for example, at least one of the two supporting rollers 121 is an active roller, so that when in contact with the base film A, traction is exerted on the base film A, thereby being used to transport the base film A. Of course, the driving mechanism may also be an independent mechanism, for example, a winding mechanism for winding up the base film A, that is, on the moving path of the base film A, except for the winding roller for winding up the base film A, the remaining rollers are used to support the base film A or to adjust the transport direction of the base film A.

[0047] The water removal device 100 of the present embodiment can be used in the water washing process of the base film A, especially after the base film A is washed in the water tank 200, the water removal device 100 of the present embodiment can be used to scrape off the water on the surface of the base film A and also be used to transfer the base film A, thereby facilitating the connection between the water washing process of the base film A and other processes.

[0048] Furthermore, combined with Figure 1 and Figure 2 As shown, in order to avoid the problem of scratching the base film A due to the close contact between the scraper 130 and the base film A, the dewatering device 100 of this embodiment further includes an adjustment mechanism 140. The scraper 130 can be movably connected to the first fixing member 110 through the adjustment mechanism 140, and the adjustment mechanism 140 is used to adjust the distance between the scraper 130 and the base film A. For example, as Figure 2 As shown, the adjustment mechanism 140 includes a slide rail 141 fixed on the first fixing member 110 and a slider 142 slidably disposed on the slide rail 141. The adjustment mechanism 140 also includes a knife holder 143 connected to the slider 142 for mounting the scraper 130, and a driving assembly 144 drivingly connected to the slider 142 for driving the slider 142. Under the action of the driving assembly 144, the slider 142 drives the knife holder 143 and the scraper 130 mounted on the knife holder 143 to slide along the slide rail 141 to adjust the distance between the scraper 130 and the base film A.

[0049] Exemplarily, in order to more conveniently adjust the distance between the scraper 130 and the base film A, the adjustment mechanism 140 of this embodiment further includes a distance measuring component 145 and a control unit. The distance measuring component 145 is arranged on the slide rail 141, and is used to monitor the distance between the scraper 130 and the base film A, and the control unit is electrically connected to the distance measuring component 145 and the driving component 144, respectively, so as to control the driving component 144 to drive the slider 142 to drive the tool holder 143 and the scraper 130 to slide along the slide rail 141 according to the information fed back by the distance measuring component 145, so as to adjust the distance between the scraper 130 and the base film A. For example, the distance measuring component 145 can be an ultrasonic distance sensor or a laser distance sensor, the driving component 144 can be a servo motor connected to the slider 142, and the control unit is a main control chip. When the distance measuring component 145 detects that the distance between the scraper 130 and the base film A is less than a preset range, the control unit adjusts the distance between the scraper 130 and the base film A by controlling the driving component 144, so that the distance between the scraper 130 and the base film A is within the preset range, thereby preventing the scraper 130 from scratching the base film A.

[0050] Of course, the distance between the scraper 130 and the base film A can also be adjusted by manual control. For example, the drive assembly 144 can be a screw rod for connecting the slider 142 and the slide rail 141. The relative position between the slider 142 and the slide rail 141 can be adjusted by rotating the screw rod, so that the distance between the scraper 130 and the base film A can be manually adjusted. Exemplarily, the adjustment mechanism 140 can also include a display for displaying the distance value between the scraper 130 and the base film A detected by the distance measuring component 145. The staff can know the distance between the scraper 130 and the base film A by observing the value on the display, and adjust the distance between the scraper 130 and the base film A by rotating the screw rod.

[0051] Furthermore, when the base film A leaves the water tank 200 after being washed in water, a large amount of water will adhere to the surface of the base film A. Although a considerable portion of the water on the surface of the base film A will be scraped off by the scraper 130, the water that is not scraped off will flow back and fall onto the blade holder 143. In order to recycle this water, continue to refer to Figure 2As shown, a drainage groove 1431 is provided on the blade holder 143 and is arranged parallel to the scraper 130. The drainage groove 1431 is used to collect water that falls on the blade holder 143, and a discharge port 1432 is provided on the groove wall of the drainage groove 1431 to discharge the water collected in the drainage groove 1431. Exemplarily, in order to timely discharge the water in the drainage groove 1431, at least part of the groove bottom of the drainage groove 1431 is an inclined surface, for example: the height of one side of the groove bottom of the drainage groove 1431 is higher than the other side, or the height of the two sides of the groove bottom of the drainage groove 1431 is higher than the middle of the groove bottom of the drainage groove 1431, or the height of the middle of the groove bottom of the drainage groove 1431 is higher than the two sides of the groove bottom of the drainage groove 1431. Among them, the discharge port 1432 is located at the lowest point of the groove bottom, so that the water collected on at least one side of the drainage groove 1431 can be easily discharged.

[0052] Furthermore, in order to adjust the angle between the scraper 130 and the base film A, as shown in FIG. Figure 2 As shown, the adjustment mechanism 140 also includes a connection seat 146. The connection seat 146 is provided between the slider 142 and the knife holder 143. The connection seat 146 is fixedly connected to the slider 142, and the knife holder 143 is rotatably connected to the connection seat 146 to rotate relative to the slider 142. When the knife holder 143 is rotated, the scraper 130 can be driven to rotate to adjust the orientation angle of the scraper 130. Exemplarily, in order to more accurately adjust the angle between the knife and the base film A, an arc-shaped scale can be formed on the connection seat 146 to determine the current angle between the knife and the base film A, and when the angle is subsequently adjusted, the scale is also used to make appropriate adjustments.

[0053] It should be noted that the angle between the scraper 130 and the base film A has a certain influence on the water removal efficiency of the scraper 130. According to the following experimental structure table, when the angle between the scraper 130 and the base film A is between 30° and 40°, the water removal efficiency is optimal.

[0054]

[0055] In another embodiment, a water washing device is provided. The device is used for washing the base film A. Figure 4As shown, the washing equipment of this embodiment includes a water tank 200 and a water removal device 100 provided in the above embodiment. The water tank 200 is filled with deionized water for washing the base film A, and the water tank 200 has an input side for inputting the base film A and an output side for outputting the base film A. The water removal device 100 is located at the output side of the water tank 200, and is used to remove water on the surface of the base film A after washing in the water tank 200. Among them, the washing equipment of this embodiment also includes an electrostatic generating device 300, which is located at the input side of the water tank 200 and is used to apply static electricity to the base film A before the base film A is input into the water tank 200. The base film A is given static electricity before being input into the water tank 200, so when the surface of the base film A is stained with water, the static electricity carried by the base film A will repel the water molecules on its surface, thereby reducing the water on the surface of the base film A.

[0056] When the base film A is washed with water by the washing device of this embodiment, static electricity is applied to the base film A before the base film A is input into the water tank 200, thereby reducing the water adhering to the surface of the base film A after the base film A passes through the water tank 200. After the base film A leaves the water tank 200, the water on the surface of the base film A will be scraped off by the water removal device 100, thereby further reducing the water on the surface of the base film A, so as to ensure that there is sufficient friction between the traction roller and the base film A, thereby reducing the problem of wrinkles on the edge of the base film A during the transmission process.

[0057] Preferably, if Figure 5 and Figure 6 As shown, the electrostatic generating device 300 of this embodiment includes a second fixing member 310 for forming a frame of the electrostatic generating device 300, a second guiding mechanism 320 installed on the second fixing member 310 for guiding the movement of the base film A, and an electrostatic electrode 330 installed on the second fixing member 310. The electrostatic electrode 330 is used to apply static electricity to the base film A guided and transported by the second guiding mechanism 320. The second guiding mechanism 320 can provide a traction force to the base film A, or only provide a support or guiding function.

[0058] It should be noted that there is a certain relationship between the voltage of the electrostatic electrode 330 and the amount of water carried by the base film A. According to the following experimental structure table, when the voltage of the electrostatic electrode 330 is 5Kv to 30Kv, the amount of water attached to the base film A is the least.

[0059]

[0060] In some embodiments, in order to achieve the ability to wash the base film A multiple times, such as Figure 7 As shown, the washing equipment of this embodiment includes a plurality of water tanks 200 arranged in an array, and a plurality of water removal devices 100 and a plurality of electrostatic generating devices 300 corresponding to each water tank 200. Figure 7As shown, in the dewatering device 100 and the electrostatic generating device 300 located between two adjacent water tanks 200, the first fixing member 110 and the second fixing member 310 are the same member, that is, the dewatering device 100 and the electrostatic generating device 300 are arranged on one fixing member, so that the dewatering device 100 and the electrostatic generating device 300 form an integrated device. Figure 7 As shown, during the multiple water washing processes, the base film A is given static electricity by the electrostatic electrode 330 before each input into the water tank 200, and the water on its surface is scraped off by the scraper 130 after each output from the water tank 200, so as to ensure that there is sufficient friction between the traction roller and the base film A, thereby reducing the problem of wrinkles on the edge of the base film A during the transmission process.

[0061] The above description is only a partial or preferred embodiment of the present invention. Neither the text nor the drawings can limit the scope of protection of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the overall concept of the present invention, or direct / indirect application in other related technical fields are included in the scope of protection of the present invention.

Claims

1. A water removal device, used to scrape off water on the surface of a base film after the base film passes through a water tank, characterized in that: The dewatering device comprises: a first fixing member; A first guiding mechanism, the first guiding mechanism is installed on the first fixing member to guide the base film to move after passing through the water tank; A scraper is installed on the first fixing component to scrape off water on the surface of the base film guided and transported by the first guiding mechanism.

2. The water removal device according to claim 1, characterized in that: The first guiding mechanism comprises two supporting rollers which are opposite to each other and abut against each other, and the two supporting rollers are used to clamp and guide the base film, and the scraper scrapes off the water on the surface of the base film before the base film is inserted between the two supporting rollers.

3. The water removal device according to claim 1, characterized in that: The dewatering device further comprises an adjusting mechanism, through which the scraper can be movably connected to the first fixing member, and the adjusting mechanism is used to adjust the distance between the scraper and the base film.

4. The water removal device according to claim 3, characterized in that: The regulating mechanism comprises: A slide rail, fixed on the first fixing member; A slider, slidably disposed on the slide rail; A blade holder connected to the slider and used for mounting the scraper; The driving assembly is in driving connection with the slider to drive the slider to drive the tool holder and the scraper to slide along the slide rail to adjust the distance between the scraper and the base film.

5. The water removal device according to claim 4, characterized in that: The regulating mechanism also includes: A distance measuring component, disposed on the slide rail, for monitoring the distance between the scraper and the base film; A control unit is electrically connected to the distance measuring component and the driving component respectively, so as to control the driving component to drive the slider to drive the tool holder and the scraper to slide along the slide rail according to the information fed back by the distance measuring component, so as to adjust the distance between the scraper and the base film.

6. The water removal device according to claim 4, characterized in that: The tool holder is provided with a drainage groove which is arranged parallel to the scraper. The drainage groove is used to collect water falling on the tool holder. The groove wall of the drainage groove is provided with a discharge port for discharging water. The bottom of the drainage groove is at least partially inclined, and the discharge port is located at the lowest point of the groove bottom.

7. The water removal device according to claim 4, characterized in that: The adjustment mechanism also includes a connecting seat, which is arranged between the slider and the tool holder. The connecting seat is fixedly connected to the slider, and the tool holder is rotatably connected to the connecting seat to rotate relative to the slider, so that the tool holder can drive the scraper to rotate to adjust the direction angle of the scraper.

8. A water washing device for washing a base film, characterized in that: The water washing equipment comprises: A water tank, used for the base film to be drawn into for water washing, the water tank having an input side for the base film to be input and an output side for the base film to be output; The water removal device according to any one of claims 1 to 7 is located at the output side of the water tank and is used to remove water from the surface of the base film after being washed with water in the water tank.

9. The water washing device according to claim 8, characterized in that: The water washing device further comprises an electrostatic generating device, which is located at the input side of the water tank and is used to apply static electricity to the base film before the base film is input into the water tank; Wherein, the electrostatic generating device comprises: a second fixing member; A second guiding mechanism is installed on the second fixing member to guide the base film to move; The electrostatic electrode is installed on the second fixing component and is used to apply static electricity to the base film guided and transported by the second guiding mechanism.

10. The water washing equipment according to claim 9, characterized in that: The water washing equipment includes a plurality of arranged water tanks, a plurality of correspondingly arranged water removal devices and a plurality of electrostatic generating devices. In the water removal device and the electrostatic generating device located between two adjacent water tanks, the first fixing component and the second fixing component are the same component.

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