CN218048738U

CN218048738U - A membrane limit scraper for production of wet process lithium cell diaphragm

Info

Publication number: CN218048738U
Application number: CN202220442408.4U
Authority: CN
Inventors: 黄忠权; 刘辉; 陈招娣; 李小兵
Original assignee: Shenzhen Baochang Electronic Technology Co ltd
Current assignee: Shenzhen Baochang Electronic Technology Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-12-16
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a membrane limit scraper for production of wet process lithium battery diaphragm relates to lithium battery diaphragm technical field, the on-line screen storage device comprises a base, the surface of base is equipped with two fixed plates, fixed plate top difference fixedly connected with pressure device scrapes the flitch with adjustable, be equipped with conveyor between two fixed plates, the bottom fixedly connected with recovery unit of base, pressure device includes the support, the cylinder, the slide bar, elastic mechanism, horizontal pole and handle, recovery unit includes down the flitch, the spout, the gudgeon, the moving part, set up the cylinder that can adjust above the conveyer belt, the pulling handle can promote the cylinder, conveniently place the diaphragm on the conveyer belt, the same thing, it can push down the diaphragm to loosen the handle gyro wheel under the spring force effect, at the during operation, prevent that the diaphragm from piling up together, influence the efficiency of work, it rotates to drive the screw rod through the second motor, thereby make the scraper blade under the surface motion of flitch, the cleaner of scraper blade clearance when the unloading.

Description

A membrane limit scraper for production of wet process lithium cell diaphragm

Technical Field

The utility model relates to a lithium battery diaphragm technical field specifically is a membrane limit scraper for production of wet process lithium battery diaphragm.

Background

In the construction of lithium batteries, the separator is one of the key internal layer components. The performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, directly influences the capacity, circulation, safety performance and other characteristics of the battery, and the diaphragm with excellent performance plays an important role in improving the comprehensive performance of the battery. The separator has a main function of separating the positive electrode and the negative electrode of the battery to prevent short circuit caused by contact between the two electrodes, and also has a function of allowing electrolyte ions to pass. The separator material is non-conductive, and the physical and chemical properties of the separator have a great influence on the performance of the battery. The types of batteries are different, and the separators used are also different. In the lithium battery system, since the electrolyte is an organic solvent system, a separator material resistant to an organic solvent is required, and a polyolefin porous film having a high strength and a thin film is generally used.

In the current lithium battery diaphragm ceramic coating production line, the micro-concave roller type coating mode is common. The grooves on the roll surface of the micro-concave roll are spiral like screw threads, when the coating is carried out, the slurry is evenly smeared on the micro-concave roll, and the slurry is coated on the diaphragm along with the micro-concave roll rolling the lithium battery diaphragm.

Present diaphragm can scrape partial rim charge when mill man-hour, and current scraper often can make the thick liquids of scraping to pile up together scraping the thick liquids, influences the speed and the effect of scraping the material, and the thick liquids after scraping the material drop underground or pile up on the machine, and the clearance is more troublesome, still wastes time and energy.

To the problem, the utility model provides a membrane limit scraper for production of wet process lithium cell diaphragm.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a membrane limit scraper for production of wet process lithium cell diaphragm, surface at the base is equipped with two fixed plates, fixed plate top difference fixedly connected with pressure device scrapes the flitch with adjustable, be equipped with conveyor between two fixed plates, the bottom fixedly connected with recovery unit of base, pressure device includes the support, the cylinder, the slide bar, elastic mechanism, horizontal pole and handle, recovery unit includes down the flitch, the spout, the trunnion, the moving part, set up the cylinder that can adjust above the conveyer belt, the pulling handle can promote the cylinder, conveniently place the diaphragm on the conveyer belt, the same thing, it can push down the diaphragm to loosen the handle gyro wheel under spring force effect, at the during operation, prevent that the diaphragm from piling up together, influence the efficiency of work, it rotates to drive the screw rod through the second motor, thereby make the scraper blade under the surface motion of flitch, scraper blade clearance when the unloading cleaner, it is also more convenient to use, thereby the problem in the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: a film edge scraping device for producing a wet lithium battery diaphragm; the automatic scraping device comprises a base, wherein two fixing plates are arranged on the surface of the base, the tops of the fixing plates are respectively and fixedly connected with a pressure device and an adjustable scraping plate, a conveying device is arranged between the two fixing plates, the bottom end of the base is fixedly connected with a recovery device, the pressure device comprises a support, a roller, sliding rods, an elastic mechanism, a transverse rod and a handle, the bottom of the support is respectively and fixedly connected to the tops of the two fixing plates, the top of the support is provided with the two sliding rods, the two sliding rods are in sliding connection with the support, the tops of the two sliding rods are fixedly connected with the transverse rod, the top of the transverse rod is provided with the handle, the bottoms of the two sliding rods are rotatably connected with the roller through a rotating shaft, and the lower parts of the two sliding rods are respectively provided with the elastic mechanism;

recovery unit includes flitch, spout, gudgeon, moving part down, and flitch fixed connection is in the base bottom down, and the left and right sides of flitch down is equipped with the spout, and the gudgeon slides in the spout, and the moving part is located flitch down inside.

Further, conveyor includes the action wheel, follows driving wheel, first motor and transmission band, and the action wheel all is connected with two fixed plate rotations through the pivot from the driving wheel, and the action wheel is equipped with the transmission band from the driving wheel, the output and the action wheel fixed connection of first motor.

Furthermore, the elastic mechanism comprises a limiting block and a spring, the limiting block is arranged at the bottom of the sliding rod, the spring is arranged at the top of the limiting block, and the spring is sleeved on the sliding rod.

Further, the moving part comprises a second motor, a fixing block, a screw and a scraper, the fixing block and the second motor are arranged at two ends of the blanking plate respectively, the output end of the second motor is fixedly connected with one end of the screw, the other end of the screw is rotatably connected with the fixing block through a bearing, the left end and the right end of the scraper are fixedly connected with the trunnion, and the scraper is in threaded connection with the screw.

Further, the conveying device is located below the pressure device, and a through hole is formed in the base between the conveying device and the recovery device.

Furthermore, the scraper plate is matched with the blanking plate in the size direction, and the width of the through hole is matched with the width of the conveying device.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of a membrane limit scraper for production of wet process lithium cell diaphragm through set up the cylinder that can adjust above the conveyer belt, and the pulling handle can promote the cylinder, conveniently places the diaphragm on the conveyer belt, and on the same reason, loosens the handle and the diaphragm can be pushed down to the gyro wheel under the spring force effect, and at the during operation, prevent that the diaphragm from piling up together, influence the efficiency of work.

2. The utility model provides a pair of membrane limit scraper for production of wet process lithium cell diaphragm through setting up spout, screw rod, can carry on spacingly to the scraper blade, also makes the scraper blade hug closely the surface of unloading board simultaneously, drives the screw rod through the second motor and rotates to make the scraper blade at the surface motion of unloading flitch, the scraper blade clearance when the unloading cleaner, it is also more convenient to use.

Drawings

Fig. 1 is a first perspective view of the present invention;

fig. 2 is a second perspective view of the present invention;

fig. 3 is a perspective view of the conveying device of the present invention;

fig. 4 is a front view of the pressure device of the present invention;

fig. 5 is a perspective view of the recycling device of the present invention.

In the figure: 1. a base; 2. a fixing plate; 3. a conveying device; 31. a driving wheel; 32. a driven wheel; 33. a first motor; 34. a conveyor belt; 4. a pressure device; 41. a support; 42. a drum; 43. a slide bar; 44. an elastic mechanism; 441. a limiting block; 442. a spring; 45. a cross bar; 46. a handle; 5. a recovery device; 51. a blanking plate; 52. a chute; 53. a trunnion; 54. a movable member; 541. a second motor; 542. a fixed block; 543. a screw; 544. a squeegee; 6. a through hole; 7. adjustable scraping plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to solve the technical problem of how to recover the scraping slurry and prevent the diaphragm from accumulating, as shown in fig. 1-5, the following preferred technical solutions are provided:

a membrane edge scraping device for producing a wet lithium battery diaphragm comprises a base 1, wherein two fixing plates 2 are arranged on the surface of the base 1, the tops of the fixing plates 2 are respectively and fixedly connected with a pressure device 4 and an adjustable scraping plate 7, a conveying device 3 is arranged between the two fixing plates 2, the bottom end of the base 1 is fixedly connected with a recovery device 5, the pressure device 4 comprises a support 41, a roller 42, sliding rods 43, an elastic mechanism 44, a cross rod 45 and a handle 46, the bottoms of the support 41 are respectively and fixedly connected with the tops of the two fixing plates 2, the tops of the support 41 are provided with the two sliding rods 43, the two sliding rods 43 are in sliding connection with the support 41, the tops of the two sliding rods 43 are fixedly connected with the cross rod 45, the top of the cross rod 45 is provided with the handle 46, the bottoms of the two sliding rods 43 are rotatably connected with the roller 42 through a rotating shaft, and the lower parts of the two sliding rods 43 are provided with the elastic mechanisms 44;

the recycling device 5 comprises a blanking plate 51, a sliding groove 52, trunnions 53 and a movable piece 54, wherein the blanking plate 51 is fixedly connected to the bottom of the base 1, the sliding grooves 52 are arranged on the left side and the right side of the blanking plate 51, the trunnions 53 slide in the sliding grooves 52, and the movable piece 54 is positioned in the blanking plate 51.

Specifically, the handle 46 is pulled to drive the roller 42 to lift upwards, the diaphragm is placed on the transmission belt 34, the handle 46 is loosened, the roller 42 presses the diaphragm on the transmission belt 34 under the elastic force of the spring 442, the first motor 33 is started to drive the driving wheel 31 to rotate, the transmission belt 34 is rotated, the diaphragm is driven to move backwards to scrape the slurry through the adjustable scraper 7, meanwhile, the scraped slurry falls on the lower plate 51 through the through hole 6, when the scraped slurry is accumulated to a certain amount, the second motor 541 is started to drive the screw 543 to rotate, the scraper 544 moves towards one end of the lower plate 51, the slurry on the lower plate 51 is scraped into the recovery barrel, and then the second motor 541 is rotated reversely to drive the scraper 544 to return to the other end of the lower plate 51.

the conveying device 3 comprises a driving wheel 31, a driven wheel 32, a first motor 33 and a conveying belt 34, the driving wheel 31 and the driven wheel 32 are rotatably connected with the two fixing plates 2 through rotating shafts, the conveying belt 34 is arranged on the driving wheel 31 and the driven wheel 32, and the output end of the first motor 33 is fixedly connected with the driving wheel 31.

Specifically, the first motor 33 is started to drive the driving wheel 31 to rotate, so that the transmission belt 34 rotates to drive the diaphragm to move backwards to scrape off the slurry through the adjustable scraper 7.

the elastic mechanism 44 comprises a limiting block 441 and a spring 442, the limiting block 441 is disposed at the bottom of the sliding rod 43, the spring 442 is disposed at the top of the limiting block 441, and the spring 442 is sleeved on the sliding rod 43.

Specifically, pulling on the handle 46 causes the roller 42 to lift upward, placing the diaphragm on the conveyor belt 34, releasing the handle 46, and allowing the roller 42 to press the diaphragm against the conveyor belt 34 under the force of the spring 442.

the movable member 54 includes a second motor 541, a fixed block 542, a screw 543 and a scraper 544, the fixed block 542 and the second motor 541 are respectively disposed at two ends of the blanking plate 51, an output end of the second motor 541 is fixedly connected with one end of the screw 543, the other end of the screw 543 is rotatably connected with the fixed block 542 through a bearing, the left and right ends of the scraper 544 are fixedly connected with the trunnion 53, and the scraper 544 is in threaded connection with the screw 543.

Specifically, the second motor 541 is started to drive the screw 543 to rotate, so that the scraper 544 moves towards one end of the lower material plate 51, the slurry on the lower material plate 51 is scraped into the recovery barrel, and then the second motor 541 rotates reversely to drive the scraper 544 to return to the other end of the lower material plate 51.

the conveying device 3 is located below the pressure device 4, and the base 1 between the conveying device 3 and the recovery device 5 is provided with a through hole 6.

In particular, the arrangement is such that the pressure means 4 presses the membrane against the conveying means 3, also facilitating the introduction of the scraped-off slurry into the recovery device 5.

Further, as shown in fig. 1 to 5, the following preferred technical solutions are provided:

the scraper 544 is adapted to the dimension of the blanking plate 51, and the width of the through-hole 6 is adapted to the width of the conveying device 3.

In particular, the scraper 544 can be cleaned more cleanly and conveniently.

The working principle is as follows: pulling the handle 46 to drive the roller 42 to lift upwards, placing the membrane on the transmission belt 34, loosening the handle 46, under the elastic force of the spring 442, pressing the membrane on the transmission belt 34 by the roller 42, starting the first motor 33 to drive the driving wheel 31 to rotate, thereby driving the transmission belt 34 to rotate, driving the membrane to move backwards to scrape the slurry through the adjustable scraper 7, meanwhile, the scraped slurry falls on the lower plate 51 through the through hole 6, when the scraped slurry is accumulated to a certain amount, starting the second motor 541 to drive the screw rod 543 to rotate, so that the scraper 544 moves towards one end of the lower plate 51, thereby scraping the slurry on the lower plate 51 into the recovery barrel, then reversing the second motor 541, and driving the scraper 544 to return to the other end of the lower plate 51, thereby continuing to work.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a membrane limit scraper for production of wet process lithium cell diaphragm, includes base (1), its characterized in that: the surface of the base (1) is provided with two fixing plates (2), the tops of the fixing plates (2) are respectively and fixedly connected with a pressure device (4) and an adjustable scraping plate (7), a conveying device (3) is arranged between the two fixing plates (2), the bottom end of the base (1) is fixedly connected with a recovery device (5), the pressure device (4) comprises a support (41), a roller (42), slide rods (43), an elastic mechanism (44), a cross rod (45) and a handle (46), the bottom of the support (41) is respectively and fixedly connected to the tops of the two fixing plates (2), the top of the support (41) is provided with two slide rods (43), the two slide rods (43) are in sliding connection with the support (41), the tops of the two slide rods (43) are fixedly connected with the cross rod (45), the top of the cross rod (45) is provided with the handle (46), the bottoms of the two slide rods (43) are rotatably connected with the roller (42) through rotating shafts, and the lower parts of the two slide rods (43) are respectively provided with the elastic mechanism (44);

the recycling device (5) comprises a blanking plate (51), sliding grooves (52), trunnions (53) and moving pieces (54), wherein the blanking plate (51) is fixedly connected to the bottom of the base (1), the sliding grooves (52) are formed in the left side and the right side of the blanking plate (51), the trunnions (53) slide in the sliding grooves (52), and the moving pieces (54) are located inside the blanking plate (51).

2. The film edge scraping device for producing the wet lithium battery diaphragm as claimed in claim 1, wherein: conveyor (3) are including action wheel (31), follow driving wheel (32), first motor (33) and transmission band (34), and action wheel (31) and follow driving wheel (32) all rotate with two fixed plates (2) through the pivot and are connected, are equipped with transmission band (34) on action wheel (31) and follow driving wheel (32), the output and action wheel (31) fixed connection of first motor (33).

3. The film edge scraping device for producing the wet lithium battery diaphragm as claimed in claim 1, wherein: the elastic mechanism (44) comprises a limiting block (441) and a spring (442), the limiting block (441) is arranged at the bottom of the sliding rod (43), the spring (442) is arranged at the top of the limiting block (441), and the spring (442) is sleeved on the sliding rod (43).

4. The film edge scraping device for producing the wet lithium battery diaphragm as claimed in claim 1, wherein: the movable part (54) comprises a second motor (541), a fixed block (542), a screw (543) and a scraper (544), the two ends of the blanking plate (51) are respectively provided with the fixed block (542) and the second motor (541), the output end of the second motor (541) is fixedly connected with one end of the screw (543), the other end of the screw (543) is rotatably connected with the fixed block (542) through a bearing, the left end and the right end of the scraper (544) are fixedly connected with the trunnion (53), and the scraper (544) is in threaded connection with the screw (543).

5. The film edge scraping device for producing the wet lithium battery diaphragm as claimed in claim 1, wherein: the conveying device (3) is located below the pressure device (4), and a through hole (6) is formed in the base (1) between the conveying device (3) and the recovery device (5).

6. The film edge scraping device for producing the wet lithium battery diaphragm as claimed in claim 4, wherein: the scraper (544) is adapted to the size of the blanking plate (51), and the width of the through hole (6) is adapted to the width of the conveying device (3).