Feeding device for lithium battery diaphragm coating process

Abstract

The utility model relates to a feeding device for a lithium battery diaphragm coating procedure, and belongs to the technical field of diaphragm coating feeding, the feeding device comprises a stirring tank, the left side of the stirring tank is fixedly communicated with a feeding pipe, a control table is fixed at the bottom of the stirring tank, a partition plate is fixed on the stirring tank, and a driving mechanism is arranged at the top of the partition plate; a stirring assembly is fixed on the driving mechanism, the bottom of the stirring tank is fixedly communicated with a discharging box, a filtering assembly is arranged on the discharging box, and a limiting assembly is arranged on the filtering assembly. According to the feeding device for the coating process of the lithium battery diaphragm, the driving mechanism is arranged to drive the stirring assembly to perform bidirectional rotation of the stirring tank, the use effect of the device is improved, the filtering assembly is arranged to filter impurities in a coating, and the adjusting valve and the controller are arranged to accurately control and adjust the state of the coating, so that the coating quality is improved. And therefore, compatibility of coatings of various types and viscosities is facilitated, and improvement of the use flexibility of the whole device is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to diaphragm coating feed technology field, concretely is a kind of lithium battery diaphragm coating process's feed device. BACKGROUND

[0002] With the rapid expansion of new energy vehicle market, the demand for high energy density, long life and high safety lithium battery is increasing, and the diaphragm of lithium battery as the isolation layer between positive and negative electrode puts forward very high requirements to its quality and consistency, at present, most lithium battery manufacturers adopt automatic production line to ensure product quality and production efficiency, and diaphragm coating process is one of the keys, which directly affects the safety and cycle stability of battery.

[0003] For example, a kind of lithium battery diaphragm coating process's feed device of Chinese patent (announcement number: CN215940477U), the lithium battery diaphragm coating process's feed device of this lithium battery diaphragm coating process, including return tank, feed tank and the communication pipe being communicated with the return tank and the feed tank, the upper portion of the return tank is equipped with the import for entering backflow slurry, the lower portion of the return tank is equipped with the export being connected with the communication pipe, the lower portion of the feed tank is equipped with the return port being connected with the communication pipe, the lower portion of the feed tank is also equipped with the feed port for feeding lithium battery diaphragm, the upper portion of the feed tank is also equipped with the replenishment port, the utility model can eliminate slurry bubble without manually scooping out bubble.

[0004] The patent has a communication pipe between the return tank and the feed tank, which is beneficial to the quality of the process caused by the bubbles appearing at the top of the material in the tank, but the retention state of the bubbles in the device will change when different coatings are treated, and the pipe setting needs to be adjusted, which increases the production complexity, so a kind of lithium battery diaphragm coating process's feed device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of lithium battery diaphragm coating process's feed device, with the advantage of flexible use, solves the problem of poor adaptability of device.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of supply device of lithium battery diaphragm coating process, including agitator tank, the left side of the agitator tank is fixedly connected with feed pipe, the bottom of the agitator tank is fixed with control console, the inner cavity wall between the left and right sides of the agitator tank is fixed with partition, the top of the partition is equipped with the drive mechanism that penetrates to its bottom, the drive mechanism is fixed with stirring assembly, the bottom of the agitator tank is fixedly connected with discharge box, the discharge box is equipped with filter assembly, the filter assembly is equipped with the limiting component fixed with discharge box, the bottom of the discharge box is fixedly connected with connecting pipe, the outside of the connecting pipe is fixed with regulating valve, the outside of the connecting pipe is equipped with controller, the bottom of the connecting pipe is fixed with supply pump;

[0007] The drive mechanism includes a servo motor, a rotating gear, a linkage gear, a rotating rod and a linkage rod, the servo motor is fixed to the top of the partition, the output shaft of the servo motor is fixed with a drive gear, the upper and lower sides of the drive gear are respectively engaged with the rotating gear and the linkage gear, the rotating rod is fixed to the shaft center of the rotating gear, the linkage rod is fixed to the shaft center of the bottom of the linkage gear, the linkage rod penetrates to the bottom of the partition, and the rotating rod is located inside the linkage rod.

[0008] By adopting the technical scheme, the stirring assembly can be driven by the drive mechanism to operate, thereby realizing the bidirectional rotation mixing in the agitator tank, improving the stirring and mixing effect of the coating, and improving the overall device use effect.

[0009] Further, the stirring assembly includes a fixed rod, a connecting rod, a stirring rod, a scraper and a mixing rod, the fixed rod is fixed to the outside of the linkage rod, the connecting rod is fixed to the bottom of the fixed rod, the stirring rod is fixed to the side of the connecting rod away from the agitator tank, the scraper is fixed to the side of the connecting rod close to the agitator tank, and the mixing rod is fixed to the outside of the rotating rod.

[0010] By adopting the technical scheme, the inner wall of the tank can be scraped by the scraper, thereby preventing the coating from adhering, improving the mixing effect of the coating, and improving the device use effect.

[0011] Further, the filter assembly includes a filter plate, two sealing plates, a connecting plate, a connecting block and a handle, the filter plate is inserted with the left side of the discharge box, the two sealing plates are respectively fixed to the front and rear sides of the filter plate, the sealing plates are attached to the outside of the discharge box, the connecting plate is fixed to the left side of the filter plate, the connecting plate is respectively fixed to the front and rear sealing plates, the connecting block is fixed to the left side of the connecting plate, and the handle is fixed to the inside of the connecting block.

[0012] By adopting the technical scheme, the paint can be filtered through the filter plate, thereby improving the production quality, and the convenience of using the assembly is improved, and the overall convenience is improved.

[0013] Further, the left side of the discharge box is provided with a plug-in interface, and the filter plate is plugged with the discharge box through the plug-in interface.

[0014] By adopting the technical scheme, the filter plate can be stably placed, thereby stably realizing the filter plate function of the device.

[0015] Further, the limiting assembly comprises a connecting rod, a clamping box, a plug-in plate, an acting block, a reset rod and a spring, the connecting rod is fixed to the front surface of the sealing plate, the clamping box is fixed to the front surface of the discharge box, the plug-in plate is fixed to the right side of the connecting rod, the plug-in plate penetrates into the inner cavity of the clamping box, the acting block is clamped to the top of the plug-in plate, the reset rod is fixed to the top of the acting block, the reset rod penetrates to the outside of the clamping box, the spring is fixed to the top of the acting block, and the spring is wound outside the reset rod in the inner cavity of the clamping box.

[0016] By adopting the technical scheme, the filter plate can be preliminarily limited through the clamping and the plug-in plate, and the filter can be locked through the clamping of the acting block and the plug-in plate, thereby improving the stability of the device.

[0017] Further, the bottom of the acting block and the right side of the plug-in plate are both provided with inclined structures, the top of the plug-in plate is provided with a clamping opening, and the acting block is clamped with the plug-in plate through the clamping opening.

[0018] By adopting the technical scheme, the acting block is supported by the plug-in plate, thereby realizing the clamping of the acting block and the plug-in plate through the elastic action of the spring, and the assembly is stably used.

[0019] Further, the controller comprises a shell, a sensor and a heating plate, the shell is fixed to the outer side of the connecting pipe, the sensor is fixed to the inner cavity wall of the shell, the heating plate is fixed to the side close to the connecting pipe of the sensor, and the heating plate is fixed to the outer side of the connecting pipe.

[0020] By adopting the technical scheme, the paint in the connecting pipe can be monitored, thereby controlling the quality of the paint and ensuring the production quality of the device.

[0021] Further, the sensor and the heating plate are both annular structures, and the inner bottom wall of the stirring tank is fixed with an annular block.

[0022] By adopting the technical scheme, the contact area of the connecting pipe is improved, the heating effect is improved, and the control effect is improved.

[0023] Compared with the prior art, the technical scheme of the application has the following beneficial effects:

[0024] The feeding device of the lithium battery diaphragm coating process is driven by the driving mechanism to drive the stirring assembly to rotate the stirring tank in two directions, improve the stirring effect of the coating, and improve the use effect of the device. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the utility model;

[0026] Figure 2 It is a three-dimensional structural schematic diagram of the filter assembly of the utility model;

[0027] Figure 3 It is a structural schematic diagram of the limiting assembly of the utility model;

[0028] Figure 4 It is a structural schematic diagram of the junction controller of the utility model.

[0029] In the figure: 1, stirring tank; 2, feed pipe; 3, control console; 4, partition; 5, servo motor; 6, rotating gear; 7, linkage gear; 8, rotating rod; 9, linkage rod; 10, fixed rod; 11, connecting rod; 12, stirring rod; 13, scraper; 14, mixing rod; 15, discharge box; 16, filter assembly; 1601, filter plate; 1602, sealing plate; 1603, connecting plate; 1604, connecting block; 1605, handle; 17, limiting assembly; 1701, connecting rod; 1702, clamping box; 1703, plugboard; 1704, acting block; 1705, reset rod; 1706, spring; 18, connecting pipe; 19, regulating valve; 20, controller; 2001, shell; 2002, inductor; 2003, heating plate; 21, feeding pump. DETAILED DESCRIPTION

[0030] Clearly, the described embodiments are merely part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0031] Please refer to Figure 1 The feeding device for the coating process of the lithium battery diaphragm in the embodiment comprises a stirring tank 1, an annular block is fixed to the inner bottom wall of the stirring tank 1, a feeding pipe 2 is fixedly communicated to the left side of the stirring tank 1, a control console 3 is fixed to the bottom of the stirring tank 1, a partition plate 4 is fixed between the inner cavity walls of the left and right sides of the stirring tank 1, a driving mechanism penetrating through the bottom of the partition plate 4 is arranged at the top of the partition plate 4, and a stirring assembly is fixed to the driving mechanism.

[0032] It can be understood that the driving mechanism is arranged to provide kinetic energy for the movement of the stirring assembly, thereby facilitating the realization of the stirring function and the stable use of the device.

[0033] A discharge box 15 is fixedly communicated to the bottom of the stirring tank 1, a filtering assembly 16 is arranged on the discharge box 15, a limiting assembly 17 fixed to the discharge box 15 is arranged on the filtering assembly 16, a connecting pipe 18 is fixedly communicated to the bottom of the discharge box 15, an adjusting valve 19 is fixed to the outer side of the connecting pipe 18, a controller 20 is arranged on the outer side of the connecting pipe 18, and a feeding pump 21 is fixed to the bottom of the connecting pipe 18.

[0034] It can also be understood that the filtering assembly 16 is arranged to facilitate the filtration of the coating, thereby facilitating the improvement of the use effect of the device, the improvement of the coating process effect, and the improvement of the use effect of the device.

[0035] The driving mechanism comprises a servo motor 5, a rotating gear 6, a linkage gear 7, a rotating rod 8, and a linkage rod 9, the servo motor 5 is fixed to the top of the partition plate 4, a driving gear is fixed to the output shaft of the servo motor 5, the upper and lower sides of the driving gear are respectively engaged with the rotating gear 6 and the linkage gear 7, the rotating rod 8 is fixed to the shaft center of the rotating gear 6, the linkage rod 9 is fixed to the shaft center at the bottom of the linkage gear 7, the linkage rod 9 penetrates through the bottom of the partition plate 4, and the rotating rod 8 is located on the inner side of the linkage rod 9.

[0036] Through the engagement of the driving gear, the rotating of the driving gear drives the rotating of the rotating gear 6 and the linkage gear 7, thereby driving the rotating of the rotating rod 8 and the linkage rod 9, and further realizing the stirring and mixing of the coating, thereby facilitating the improvement of the use effect of the device.

[0037] The stirring assembly comprises a fixing rod 10, a connecting rod 11, a stirring rod 12, a scraper 13 and a mixing rod 14, the fixing rod 10 is fixed to the outer side of the linkage rod 9, the connecting rod 11 is fixed to the bottom of the fixing rod 10, the stirring rod 12 is fixed to the side of the connecting rod 11 away from the stirring tank 1, the scraper 13 is fixed to the side of the connecting rod 11 close to the stirring tank 1, and the mixing rod 14 is fixed to the outer side of the rotating rod 8.

[0038] It should be noted that the reverse rotation of the stirring rod 12 and the mixing rod 14 improves the stirring effect in the stirring tank 1, thereby facilitating the improvement of the mixing effect of the overall device and further facilitating the improvement of the overall use effect.

[0039] Referring to Figure 2 The filter assembly 16 in the embodiment comprises a filter plate 1601, two sealing plates 1602, a connecting plate 1603, a connecting block 1604 and a handle 1605, the filter plate 1601 is inserted into the left side of the discharge tank 15, the left side of the discharge tank 15 is provided with an insertion opening, the filter plate 1601 is inserted into the discharge tank 15 through the insertion opening, and the two sealing plates 1602 are respectively fixed to the front and back sides of the filter plate 1601.

[0040] It can be found that the insertion setting is beneficial to the stability of the placement of the filter plate 1601, thereby being beneficial to the stable filtration of the paint, thereby being beneficial to the improvement of the use stability of the device, and thereby improving the use effect of the device.

[0041] The sealing plate 1602 is attached to the outer side of the discharge tank 15, the connecting plate 1603 is fixed to the left side of the filter plate 1601, the front and back sides of the connecting plate 1603 are respectively fixed to the front and back sealing plates 1602, the connecting block 1604 is fixed to the left side of the connecting plate 1603, and the handle 1605 is fixed to the inner side of the connecting block 1604.

[0042] It can also be found that, in the embodiment, the handle 1605 is beneficial to pulling the filter plate 1601, thereby being beneficial to achieving the cleaning treatment of the filter plate 1601, and being beneficial to the improvement of the use stability of the device.

[0043] Referring to Figure 3 In order to improve the use stability of the device, the limiting assembly 17 in the embodiment comprises a connecting rod 1701, a clamping box 1702, an insertion plate 1703, an acting block 1704, a reset rod 1705 and a spring 1706, the connecting rod 1701 is fixed to the front of the sealing plate 1602, the clamping box 1702 is fixed to the front of the discharge tank 15, the insertion plate 1703 is fixed to the right side of the connecting rod 1701, the insertion plate 1703 penetrates into the inner cavity of the clamping box 1702, and the acting block 1704 is clamped to the top of the insertion plate 1703.

[0044] Through the clamping arrangement, the clamping of the plug plate 1703 by the action block 1704 is facilitated, so as to facilitate the locking of the plug plate 1703, thereby preventing the displacement of the plug plate 1703, thereby facilitating the stability of the filter plate 1601, thereby facilitating the improvement of the overall use stability.

[0045] The bottom of the action block 1704 and the right side of the plug plate 1703 are provided in inclined structures, the top of the plug plate 1703 is provided with a clamping opening, the action block 1704 is clamped with the plug plate 1703 through the clamping opening, the reset rod 1705 is fixed to the top of the action block 1704, the reset rod 1705 penetrates to the outside of the clamping box 1702, and the spring 1706 is fixed to the top of the action block 1704 and is wound outside the reset rod 1705 in the inner cavity of the clamping box 1702.

[0046] In the embodiment, through the inclined structure arrangement, the action block 1704 is extruded by the displacement of the plug plate 1703, so as to drive the upward displacement of the action block 1704, thereby clamping with the plug plate 1703 through the clamping opening, thereby facilitating the stable filtration of the filter plate 1601, and facilitating the improvement of the overall use stability.

[0047] Please refer to Figure 4 In order to improve the flexibility of the device, the controller 20 in the embodiment comprises a shell 2001, a sensor 2002 and a heating plate 2003, the shell 2001 is fixed to the outside of the connecting pipe 18, the sensor 2002 is fixed to the inner cavity wall of the shell 2001, the heating plate 2003 is fixed to the side of the sensor 2002 close to the connecting pipe 18, the heating plate 2003 is fixed to the outside of the connecting pipe 18, and the sensor 2002 and the heating plate 2003 are annular structures.

[0048] In the embodiment, through the arrangement of the annular sensor 2002 and the heating plate 2003, the connecting pipe 18 is heated, thereby facilitating the control of the temperature of the paint, thereby facilitating the regulation of the production state of the paint, facilitating the control production of different types of paint, thereby facilitating the improvement of the flexibility of the device.

[0049] The electrical components appearing in the text are electrically connected with the controller and the power supply, the control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming of the person skilled in the art, the provision of the power supply also belongs to the common knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the control mode and the circuit connection of the utility model are not explained in detail.

[0050] The working principle of the above embodiment is as follows:

[0051] The material is added from the feeding pipe 2 to the stirring tank 1, the servo motor 5 is started, the rotation of the driving gear is realized, the rotation of the rotating rod 8 and the linkage rod 9 is realized through the meshing effect, the reverse rotation mixing of the stirring rod 12 and the mixing rod 14 is realized, and the mixing effect of the device on the material is improved. The setting of the scraper 13 is beneficial to the scraping of the material attached to the inner wall, thereby improving the stability of the device. The bottom structure of the stirring tank 1 is provided, so that the stirred material flows into the discharge box 15, the material is filtered through the filter plate 1601, thereby preventing the nozzle from being blocked, and the stability of the device is improved. The setting of the adjusting valve 19 automatically adjusts the feeding pressure through the control system, maintains a stable spraying state, the temperature of the coating is monitored through the inductor 2002, and the temperature of the coating is raised through the heating plate 2003, thereby realizing the stability of the coating. When the filter plate 1601 needs to be cleaned, pull the reset rod 1705, so that the reset rod 1705 is separated from the plug-in plate 1703, thereby releasing the limiting of the plug-in plate 1703, thereby pulling out the filter plate 1601, realizing the cleaning of the filter plate 1601, and improving the stability of the device. The device can meet the needs of various coatings and has high use flexibility.

Claims

1. A feeding device for a lithium battery separator coating process, comprising a stirring tank (1), characterized in that: The left side of the mixing tank (1) is fixedly connected to the feed pipe (2), the bottom of the mixing tank (1) is fixedly connected to the control console (3), the inner walls of the left and right sides of the mixing tank (1) are fixedly connected to the partition (4), the top of the partition (4) is provided with a drive mechanism that extends through to its bottom, the drive mechanism is fixedly connected to the stirring assembly, the bottom of the mixing tank (1) is fixedly connected to the discharge box (15), the discharge box (15) is provided with a filter assembly (16), the filter assembly (16) is provided with a limiting assembly (17) fixed to the discharge box (15), the bottom of the discharge box (15) is fixedly connected to the connecting pipe (18), the outside of the connecting pipe (18) is fixedly connected to the regulating valve (19), the outside of the connecting pipe (18) is provided with a controller (20), and the bottom of the connecting pipe (18) is fixedly connected to the feed pump (21). The drive mechanism includes a servo motor (5), a rotating gear (6), a linkage gear (7), a rotating rod (8), and a linkage rod (9). The servo motor (5) is fixed to the top of the partition (4). The output shaft of the servo motor (5) is fixed with a drive gear. The upper and lower sides of the drive gear mesh with the rotating gear (6) and the linkage gear (7) respectively. The rotating rod (8) is fixed to the axis of the rotating gear (6). The linkage rod (9) is fixed to the axis at the bottom of the linkage gear (7). The linkage rod (9) extends through to the bottom of the partition (4). The rotating rod (8) is located inside the linkage rod (9).

2. The feeding device for the lithium battery separator coating process according to claim 1, characterized in that: The stirring assembly includes a fixed rod (10), a connecting rod (11), a stirring rod (12), a scraper (13), and a mixing rod (14). The fixed rod (10) is fixed to the outside of the linkage rod (9), the connecting rod (11) is fixed to the bottom of the fixed rod (10), the stirring rod (12) is fixed to the side of the connecting rod (11) away from the mixing tank (1), the scraper (13) is fixed to the side of the connecting rod (11) close to the mixing tank (1), and the mixing rod (14) is fixed to the outside of the rotating rod (8).

3. The feeding device for the lithium battery separator coating process according to claim 1, characterized in that: The filter assembly (16) includes a filter plate (1601), two sealing plates (1602), a connecting plate (1603), a connecting block (1604), and a handle (1605). The filter plate (1601) is inserted into the left side of the discharge box (15). The two sealing plates (1602) are fixed to the front and rear sides of the filter plate (1601) respectively. The sealing plates (1602) are attached to the outer side of the discharge box (15). The connecting plate (1603) is fixed to the left side of the filter plate (1601). The front and rear sides of the connecting plate (1603) are fixed to the front and rear sealing plates (1602) respectively. The connecting block (1604) is fixed to the left side of the connecting plate (1603). The handle (1605) is fixed to the inner side of the connecting block (1604).

4. The feeding device for the lithium battery separator coating process according to claim 3, characterized in that: The discharge box (15) has an insertion interface on its left side, and the filter plate (1601) is inserted into the discharge box (15) through the insertion interface.

5. The feeding device for the lithium battery separator coating process according to claim 1, characterized in that: The limiting assembly (17) includes a connecting rod (1701), a locking box (1702), a insert plate (1703), an actuating block (1704), a reset rod (1705), and a spring (1706). The connecting rod (1701) is fixed to the front of the sealing plate (1602), the locking box (1702) is fixed to the front of the discharge box (15), and the insert plate (1703) is fixed to the right side of the connecting rod (1701). The spring (1706) extends through to the inner cavity of the card slot box (1702), the action block (1704) is engaged with the top of the insert plate (1703), the reset rod (1705) is fixed to the top of the action block (1704), the reset rod (1705) extends through to the outside of the card slot box (1702), the spring (1706) is fixed to the top of the action block (1704), and the spring (1706) is wrapped around the outside of the reset rod (1705) in the inner cavity of the card slot box (1702).

6. The feeding device for the lithium battery separator coating process according to claim 5, characterized in that: The bottom of the action block (1704) and the right side of the insert plate (1703) are both inclined structures. The top of the insert plate (1703) is provided with a locking hole, and the action block (1704) is engaged with the insert plate (1703) through the locking hole.

7. The feeding device for the lithium battery separator coating process according to claim 1, characterized in that: The controller (20) includes a housing (2001), a sensor (2002), and a heating plate (2003). The housing (2001) is fixed to the outside of the connecting pipe (18), the sensor (2002) is fixed to the inner wall of the housing (2001), the heating plate (2003) is fixed to the side of the sensor (2002) near the connecting pipe (18), and the heating plate (2003) is fixed to the outside of the connecting pipe (18).

8. The feeding device for the lithium battery separator coating process according to claim 7, characterized in that: The sensor (2002) and the heating plate (2003) are both annular structures, and an annular block is fixed to the inner bottom wall of the stirring tank (1).

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