CN210390174U

CN210390174U - Device for preparing battery diaphragm with quick charging function

Info

Publication number: CN210390174U
Application number: CN201921131793.5U
Authority: CN
Inventors: 杨永生; 窦高峰; 贾富瀛
Original assignee: Henan Manborui New Material Technology Co ltd
Current assignee: Henan Manborui New Material Technology Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-24
Anticipated expiration: 2029-07-18

Abstract

The utility model relates to the technical field of battery diaphragms, and discloses a device for preparing a battery diaphragm with a quick charging function, which comprises a stirring machine, wherein an opening is arranged above the left side of the stirring machine, a discharge port is arranged on the right side of the stirring machine, a pipeline with the inner diameter being the same as the diameter of the discharge port is fixedly arranged on the position of the discharge port of the stirring machine, a sprinkler is fixedly arranged at the other end of the pipeline, a flow expanding rod is fixedly arranged in the sprinkler, the sprinkler is arranged in a cooling box, the cooling box consists of an upper trapezoidal block and a lower trapezoidal block, a through hole is arranged on the right side surface of the lower trapezoidal block, the through hole extends to the left side of the lower trapezoidal block and penetrates through the lower trapezoidal block, the utility model uses an automatic production line to process raw materials so as to process the materials into the diaphragms, only personnel need to start all machines to carry out automatic flow processing on the, the consumption of manpower is reduced.

Description

Device for preparing battery diaphragm with quick charging function

Technical Field

The utility model relates to a battery diaphragm technical field specifically is a device of function battery diaphragm is filled soon in preparation.

Background

Because the lithium battery has the advantages of high energy density, long cycle life, small self-discharge rate, no memory effect, environmental protection and the like, and the continuous progress of lithium battery technology, the lithium battery product is widely applied to various industries, such as mobile phones, portable computers, video cameras, toys, electric vehicles and the like. The lithium battery diaphragm is one of four key materials of the lithium battery, is a material for connecting and separating the positive electrode and the negative electrode of the battery, is an electronic insulator, can prevent short circuit, but allows lithium ions to pass through, and can also block current conduction in the battery through a closed hole function when the battery is overheated. The interface structure and the internal resistance of lithium cell are determined by the quality of diaphragm performance, and then the key characteristics such as capacity, cycle life, charge-discharge current density of battery are influenced, therefore the improvement of diaphragm performance plays an important role to the comprehensive properties that improves the battery, and the processing is observed to a large amount of manual works when current battery diaphragm manufacturing installation is made usually, needs a large amount of devices to carry out assembly line work simultaneously, wastes time and energy, also needs to spend a large amount of manpower and materials to handle the good diaphragm of processing simultaneously.

Disclosure of Invention

Technical problem to be solved

Not enough to prior art, the utility model provides a device of function battery diaphragm is filled soon in preparation possesses and does not need manual management just can carry out advantages such as complete processing to the diaphragm, has solved foretell problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a device for preparing a battery diaphragm with a quick charging function comprises a stirrer, wherein an opening is formed in the upper portion of the left side of the stirrer, a discharge port is formed in the right side of the stirrer, a pipeline with the inner diameter being the same as the diameter of the discharge port is fixedly installed at the position of the discharge port of the stirrer, a sprayer is fixedly installed at the other end of the pipeline, the sprayer is in a fan shape with through left and right sides, the pipeline is connected with the circle center end of the sprayer, a flow expansion rod is fixedly installed in the sprayer and is located at the middle point of the inlet of one end, connected with the pipeline, of the sprayer, the length of the flow expansion rod is equal to the height of the hollow part of the sprayer, the sprayer is arranged in a cooling box, the cooling box consists of an upper trapezoidal block and a lower trapezoidal block, the upper trapezoidal block and the lower trapezoidal block are combined to form a cuboid, namely, the middle inside of the upper trapezoidal block is hollow, the lower trapezoidal block is a trapezoid with a large left and a small right, the left side of the hollow part of the cooling box can be used for placing cooling materials, one end of the pipeline connecting sprinkler is positioned at the midpoint of the top end of the left side of the lower trapezoidal block, a transmission device is sleeved in the lower trapezoidal block of the cooling box and consists of a crawler belt and a transmission shaft, the crawler belt is movably arranged outside the transmission shaft, seven transmission shafts are movably arranged in the crawler belt, the two transmission shafts at the leftmost side are sleeved in the lower trapezoidal block, the crawler belts on the two transmission shafts are connected with the rightmost end of the bottom surface of the upper trapezoidal block, a motor a is movably arranged at the front side of the transmission shaft at the leftmost side outside the lower trapezoidal block, a rotating shaft of the motor a is fixedly arranged at the midpoint of the transmission shaft at the leftmost side outside the lower trapezoidal block, the right side surface of the upper trapezoidal, a compression roller is arranged above the transmission device and is tangent to a crawler on a transmission shaft, a cross rod is movably arranged in the compression roller, the length of the cross rod is six centimeters wider than that of the crawler, a vertical rod is fixedly arranged at the rear end of the cross rod, the other end of the vertical rod is fixedly arranged on the ground, a motor c is fixedly arranged at the front end of the cross rod, a rotating shaft of the motor c is fixedly connected with the cross rod, the front end of the motor c is fixedly provided with the vertical rod, a stretching table is clamped on the crawler, the height of the stretching table is the same as the diameter length of the transmission shaft, fixing plates are arranged on the front side and the rear side of the stretching table respectively and are composed of a long plate and a short plate, the long plate is fixedly arranged on the front side and the rear side of the stretching table, stretching rollers are arranged on the two fixing plates and are, the right sides of the two long rods are fixedly provided with short rods, the other ends of the short rods are vertically and fixedly connected with the long plate of the front fixed plate, the left sides of the two long rods are fixedly provided with a motor b, the rotating shaft of the motor b is fixedly connected with the left end of the long rod, the short rods are fixedly arranged on the motor b, the other ends of the short rods are vertically and fixedly arranged with the long plates of the respective fixed plates, the motor b can drive the stretching roller at the front side to rotate, the right side of the stretching table is fixedly connected with a cutting table, the cutting table is clamped between the front fixed plate and the rear fixed plate, the height of the cutting table is equal to that of the stretching table, the cutting table is vertically and fixedly provided with cutting knives at the edges of the front side and the rear side of the stretching table, the cutting table is positioned at the leftmost side, the cutting knives are, fixed mounting has the movable rod in the wind-up roll, movable rod front end fixed mounting has motor d, the joint has the joint claw below the motor, the joint claw is the same half cuboid frame of shape and motor d shape, joint claw below fixed mounting has branch, motor d axis of rotation is in movable rod fixed connection, and the equal below joint of movable rod around has the claw of bearing, it is the semicircle ring that radian and movable rod are the same to bear the claw, two bear the equal fixed mounting in claw below have with the same branch in joint claw below, branch is the elasticity material, and branch other end fixed mounting is in ground.

Preferably, the discharge hole is a circular opening.

Preferably, the sprinklers are one hundred twenty degree sectors.

Preferably, the diffuser bar is a cylindrical bar.

Preferably, a through hole with the size being eight times of the size of the right side surface of the lower trapezoidal block at zero point is formed in the right side surface of the lower trapezoidal block, and the through hole extends to the left side of the lower trapezoidal block and penetrates through the lower trapezoidal block.

Preferably, the diameter of the press roll is twice that of the drive shaft.

A method for preparing a battery diaphragm with a quick-charging function comprises the following specific steps:

and S1, putting the raw materials into the stirrer from the opening, starting the stirrer to operate, enabling the mixture to flow out of the discharge port after the stirrer stirs, and then flowing out of the sprayer along the pipeline, wherein the diffuser rod in the sprayer enables the mixture to flow out along the shape of the sprayer.

S2, the mixture that flows out will flow right along the last wall of the lower trapezoidal piece of cooling box to thereby let the mixture by the cooling material cooling of placing in the cooling box, then mark out from the opening that cooling box right side was seted up.

And S3, the scribed diaphragm moves rightwards along the crawler of the transmission device and then is flattened by the press roll, and the flattened diaphragm continues to move rightwards along the crawler and then falls onto the stretching table.

S4, stretching the diaphragm on the stretching table back and forth by the stretching rollers arranged back and forth, so that molecular chains on the diaphragm are oriented, the stretched diaphragm is pushed by the diaphragm falling onto the stretching table subsequently to move rightwards continuously, and the next step of processing is carried out.

S5, the stretched diaphragm will fall on the cutting table, the cutter on the cutting table can cut the diaphragm into a suitable size, then the right continuous movement is carried out, thereby the winding roller is wound, after the winding roller is wound, the support rod can incline to the right, and then the movable rod in the winding roller can fall down from the bearing claw, thereby the manufacturing of the diaphragm is completed.

(III) advantageous effects

Compared with the prior art, the utility model provides a prepare device of function battery diaphragm that fills soon possesses following beneficial effect:

1. this preparation fills device of function battery diaphragm soon uses automatic assembly line to handle raw and other materials and processes into the diaphragm with the material, only needs the personnel to carry out automatic flowing water processing to raw and other materials after with whole mechanical start-up man-hour, only needs a small amount of numbers to carry out the processing of emergency situation and just can accomplish the preparation of diaphragm, has reduced the consumption of manpower.

2. According to the device for preparing the battery diaphragm with the quick charging function, the flow expansion rod is arranged in the sprayer, the mixture stirred and mixed in the stirrer can flow out along the shape of the sprayer by the flow expansion rod, so that the mixture can be paved into a larger diaphragm, meanwhile, the thickness of the diaphragm, which is caused by accumulation of the flowing mixture, is not in accordance with the standard, and the waste of raw materials is also reduced.

3. This preparation fills device of function battery diaphragm soon has set up the cooling box and has come to cool down the material after mixing, and the staff can place the hollow position in lower trapezoidal piece with cooling material to cool down fast the mixture, and do not need the manual work to handle, reduced the time of manual handling.

4. This preparation fills device of function battery diaphragm soon lets the diaphragm after the cooling carry out subsequent flattening, tensile and cutting step through the track, lets the simplification more of whole engineering, also makes things convenient for the staff to discover and handle where the problem appears simultaneously to let the staff swift handle problem department more, improved the security of device.

5. This device of function battery diaphragm is filled soon in preparation uses branch to let the wind-up roll fall down automatically, lets the interval between wind-up roll and the cutting bed increase after the diaphragm thickness on the wind-up roll increases when the rolling, and branch then warp right along with it, and the movable rod then rolls from bearing the weight of the claw after the rolling is accomplished to accomplish whole flow fast, saved the time of manual handling.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a partial structure of the cooling box of the present invention;

fig. 4 is a sectional view of the sprinkler structure of the present invention.

In the figure: 1 stirrer, 2 openings, 3 discharge ports, 4 sprayers, 5 flow expanding rods, 6 cooling boxes, 61 upper trapezoidal blocks, 62 lower trapezoidal blocks, 7 transmission devices, 71 tracks, 72 transmission shafts, 8 motors a, 9 compression rollers, 10 vertical rods, 11 cross rods, 12 stretching tables, 13 fixing plates, 14 stretching rollers, 15 long rods, 16 cutting tables, 17 cutters, 18 winding rollers, 19 movable rods, 20 bearing claws, 21 support rods, 22 motors b, 23 motors c and 24 motors d.

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.

Example 1: referring to fig. 1-4, a device for preparing a battery separator with a quick charging function comprises a stirrer 1, an opening 2 is formed above the left side of the stirrer 1, a user can put a manufacturing material of the separator into the stirrer 1 through the opening 2 to stir and mix, a discharge port 3 is formed on the right side of the stirrer 1, the discharge port 3 is a circular opening, the discharge port 3 is located below the right side of the stirrer 1, a pipeline with the same inner diameter as that of the discharge port 3 is fixedly installed at the position of the discharge port 3 of the stirrer 1, a sprinkler 4 is fixedly installed at the other end of the pipeline, the sprinkler 4 is in a left-right through fan shape, the sprinkler 4 is in a one-hundred-twenty-degree fan shape, the pipeline is connected with the circle center end of the sprinkler 4, a flow expansion rod 5 is fixedly installed in the sprinkler 4, the flow expansion rod 5 is a cylindrical rod, the length of the flow expansion rod 5 is equal to the height of the hollow part of the sprinkler 4, the flow expansion rod 5 can enable the mixture stirred and mixed from the stirrer 1 to flow out along the shape of the sprinkler 4, so that the mixture can be paved into a larger membrane, meanwhile, the phenomenon that the thickness of the membrane is not in accordance with the standard due to the accumulation of the flowed mixture can be reduced, the waste of raw materials is also reduced, the sprinkler 4 is arranged in the cooling box 6, the cooling box 6 consists of an upper trapezoidal block 61 and a lower trapezoidal block 62, the upper trapezoidal block 61 and the lower trapezoidal block 62 are combined to form a cuboid, the upper trapezoidal block 61 is a trapezoid with a left long side and a right short side, the upper trapezoidal block 61 is a trapezoid shell, namely, the middle of the upper trapezoidal block 61 is hollow, the lower trapezoidal block 62 is a trapezoid with a left large side and a right small side, the right side of the lower trapezoidal block 62 is provided with a through hole with a size which is eight times of the size of the zero point of the right side of, the left side of the hollow part of the cooling box 6 can be placed with cooling material, one end of the pipeline connecting sprayer 4 is positioned at the midpoint of the top end of the left side of the lower trapezoidal block 62, the cooling box 6 leads the mixture in the cooling box 6 to be cooled, and leads the mixture to be better processed in the next step, a transmission device 7 is sheathed in the lower trapezoidal block 62 of the cooling box 6, the transmission device 7 consists of a crawler 71 and a transmission shaft 72, the crawler 71 is movably arranged outside the transmission shaft 72, seven transmission shafts 72 are movably arranged in the crawler 71, the two transmission shafts 72 at the leftmost side are sheathed in the lower trapezoidal block 62, the crawler 71 on the two transmission shafts 72 is connected with the rightmost end of the bottom surface of the upper trapezoidal block 61, the front side of the transmission shaft 72 at the leftmost side outside the lower trapezoidal block 62 is movably arranged with a motor a8, and the rotating shaft of the motor a8 is fixedly arranged at the midpoint, the right side surface of the upper trapezoidal block 61 is provided with an opening with the same width as that of the crawler 71, the height of the opening is five centimeters, the tangential length of the outermost fan-shaped end of the sprayer 4 is equal to that of the opening, the motor a8 can enable the transmission shaft 72 to drive the crawler 71 to rotate, the crawler 71 can drive the cooled mixture to the right, and then the mixture is processed in the next step, a press roller 9 is arranged above the transmission device 7, the diameter of the press roller 9 is twice of that of the transmission shaft 72, the press roller 9 is tangential to the crawler 71 on the transmission shaft 72, a cross bar 10 is movably arranged in the press roller 9, the length of the cross bar 10 is six centimeters wider than that of the crawler 71, a vertical bar 11 is fixedly arranged at the rear end of the cross bar 10, the other end of the vertical bar 11 is fixedly arranged on the ground, a motor c23 is fixedly arranged at the front end of the cross bar, the motor c23 can drive the press roll 9 to rotate, so that the cooled mixture is flattened by the press roll 9, so that the mixture is changed into thin slices, then the flat diaphragm is driven to a subsequent device by the crawler 71 to be processed next, the crawler 71 is connected with the stretching table 12 in a clamping manner, the height of the stretching table 12 is the same as the diameter and the length of the transmission shaft 72, the front side and the rear side of the stretching table 12 are respectively provided with a fixed plate 13, the fixed plates 13 are respectively composed of a long plate and a short plate, the long plate is fixedly arranged on the ground in front of and behind the stretching table 12, the short plate is fixedly arranged on the long plate on the side close to the stretching table 12, the two fixed plates 13 are respectively provided with a stretching roll 14, the two stretching rolls 14 are respectively tangent to the stretching table 12, long rods 15 are movably arranged in the two stretching rolls 14, the long rods 15 are sleeved in the stretching rolls 14, the right sides of the two long rods 15 are, the left sides of the two long rods 15 are fixedly provided with a motor b22, the rotating shaft of a motor b22 is fixedly connected with the left end of the long rod 15, a short rod is fixedly arranged on a motor b22, the other end of the short rod is fixedly and vertically arranged with the long plate of the fixing plate 13 on each side, the motor b22 can drive the stretching roller 14 on the front side to rotate, the two stretching rollers 14 on the front side and the rear side can stretch the diaphragm flattened by the compression roller 9, so that the molecular chains on the diaphragm are oriented, the right side of the stretching table 12 is fixedly connected with a cutting table 16, the cutting table 16 is clamped between the two fixing plates 13 on the front side and the rear side, the height of the cutting table 16 is equal to that of the stretching table 12, the cutting knife 17 is vertically and fixedly arranged on the edges of the front side and the rear side of the stretching table 12 on the cutting table 16, the cutting knife, the cutter 17 can cut the stretched diaphragm into a proper size so as to facilitate the winding of the diaphragm, the right side of the cutting table 16 is provided with a winding roller 18, the leftmost side of the winding roller 18 is contacted with the cutting table 16, a movable rod 19 is fixedly installed in the winding roller 18, the front end of the movable rod 19 is fixedly provided with a motor d24, a clamping claw is clamped below a motor d24, the clamping claw is a semi-cuboid frame with the same shape as the motor d, a support rod 21 is fixedly installed below the clamping claw, a motor d24 rotates around the movable rod 19, bearing claws 20 are clamped below the front movable rod 19 and the rear movable rod 19, the bearing claws 20 are semi-circular rings with the same radian as the movable rod 19, support rods 21 with the same shape as the clamping claw are fixedly installed below the two bearing claws 20, the support rods 21 are made of elastic material, the other ends of the support rods 21 are fixedly installed on the ground, the motor d24 can drive the movable, and then drive wind-up roll 18 and rotate to the diaphragm that will cut the completion rolls up, lets the interval between wind-up roll 18 and the cutting bed 16 increase after the diaphragm thickness on wind-up roll 18 increases simultaneously when the rolling, and branch 21 then warp right along with it, and movable rod 19 rolls off from bearing claw 20 after the rolling is accomplished, thereby accomplishes whole flow fast.

Example 2: a method for preparing a battery diaphragm with a quick-charging function comprises the following specific steps:

and S1, putting the raw materials into the stirrer 1 from the opening 2, starting the stirrer 1 to operate, wherein after the stirrer 1 finishes stirring, the mixture flows out from the discharge port 3 and then flows out from the sprayer 4 along the pipeline, and the diffuser rod 5 in the sprayer 4 allows the mixture to flow out along the shape of the sprayer 4.

S2, the mixture flowing out flows rightwards along the upper wall surface of the lower trapezoidal block 62 of the cooling box 6, so that the mixture is cooled by the cooling material placed in the cooling box 6, and then is drawn out from the opening formed in the right side of the cooling box 6.

S3, the membrane drawn out will move to the right along the caterpillar 71 of the transmission device 7 and then will be flattened by the press roller 9, and the flattened membrane will follow the caterpillar 71 to continue moving to the right and then fall onto the stretching table 12.

S4, stretching the diaphragm on the stretching table 12 forwards and backwards by the stretching rollers 14 arranged in front and behind, so as to orient the molecular chains on the diaphragm, and the stretched diaphragm is pushed by the diaphragm falling onto the stretching table subsequently to move towards the right, so that the next step of processing is carried out.

S5, the stretched diaphragm falls onto the cutting table 16, the cutter 17 on the cutting table 16 cuts the diaphragm into a proper size, then the diaphragm moves rightward continuously to be wound by the winding roller 18, the supporting rod 21 inclines rightward after the winding roller 18 finishes winding, and then the movable rod 19 in the winding roller 18 falls off from the bearing claw 20, so that the diaphragm is manufactured.

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 device of function battery diaphragm is filled soon in preparation, includes mixer (1), its characterized in that: the cooling device is characterized in that an opening (2) is formed in the upper portion of the left side of the stirring machine (1), a discharge port (3) is formed in the right side of the stirring machine (1), a pipeline with the inner diameter being the same as that of the discharge port (3) is fixedly arranged at the position of the discharge port (3) of the stirring machine (1), a sprinkler (4) is fixedly arranged at the other end of the pipeline, a flow expansion rod (5) is fixedly arranged in the sprinkler (4), the sprinkler (4) is arranged in the cooling box (6), the cooling box (6) is composed of an upper trapezoidal block (61) and a lower trapezoidal block (62), a through hole is formed in the right side surface of the lower trapezoidal block (62), extends to the left side of the lower trapezoidal block (62) and penetrates through the lower trapezoidal block, a transmission device (7) is sleeved in the lower trapezoidal block (62) of the cooling box (6), the transmission device (7) is composed of a crawler (71, a motor a (8) is movably mounted on the front side of a leftmost transmission shaft (72) positioned outside a lower trapezoidal block (62), a rotating shaft of the motor a (8) is fixedly mounted at the midpoint of the leftmost transmission shaft (72) positioned outside the lower trapezoidal block (62), an opening with the same width as that of a track (71) is formed in the right side surface of an upper trapezoidal block (61), the opening is five centimeters in height, a compression roller (9) is arranged above a transmission device (7), a cross rod (10) is movably mounted in the compression roller (9), a vertical rod (11) is fixedly mounted at the rear end of the cross rod (10), the other end of the vertical rod (11) is fixedly mounted on the ground, a motor c (23) is fixedly mounted at the front end of the cross rod (10), the rotating shaft of the motor c (23) is fixedly connected with the cross rod, a vertical rod (11) is fixedly mounted at the front end of the motor c (23), a stretching table, stretching rollers (14) are arranged on the two fixing plates (13), the two stretching rollers (14) are tangent to the stretching table (12), long rods (15) are movably arranged in the two stretching rollers (14), the long rods (15) are sleeved in the stretching rollers (14), short rods are fixedly arranged on the right sides of the two long rods (15), the other ends of the short rods are vertically and fixedly connected with long plates of the front side fixing plate (13), motors b (22) are fixedly arranged on the left sides of the two long rods (15), rotating shafts of the motors b (22) are fixedly connected with the left ends of the long rods (15), the short rods are fixedly arranged on the motors b (22), the other ends of the short rods are vertically and fixedly arranged with the long plates of the fixing plates (13) on the respective sides, a cutting table (16) is fixedly connected with the right side of the stretching table (12), the cutting table (16) is clamped between the front and rear fixing plates (13), and the height of the cutting table (16) is equal, a cutter (17) is vertically and fixedly installed on the cutting table (16) at the edges of the front side and the rear side of the stretching table (12), the cutter (17) is located on the leftmost side of the cutting table (16), a winding roller (18) is arranged on the right side of the cutting table (16), the leftmost side of the winding roller (18) is in contact with the cutting table (16), a movable rod (19) is fixedly installed in the winding roller (18), a motor d (24) is fixedly installed at the front end of the movable rod (19), a clamping claw is clamped below the motor d (24), the clamping claw is a semi-cuboid frame with the shape identical to that of the motor d (24), a support rod (21) is fixedly installed below the clamping claw, a rotating shaft of the motor d (24) is fixedly connected with the movable rod (19), bearing claws (20) are clamped below the front movable rod (19) and the rear movable rod (19), the bearing claws (20) are semi-circular rings with the same radian as that of the movable rod (19), support rods (21) are, the support rod (21) is made of elastic material.

2. The apparatus for preparing a battery separator with a quick-charging function according to claim 1, wherein: the sprinkler (4) is in a fan shape with through left and right, the sprinkler (4) is in a fan shape with one hundred twenty degrees, the pipeline is connected with the end of the circle center of the sprinkler (4), and the tangent length of the outermost end of the fan shape of the sprinkler (4) is equal to the length of the opening.

3. The apparatus for preparing a battery separator with a quick-charging function according to claim 1, wherein: the flow expansion rod (5) is a cylindrical rod, the flow expansion rod (5) is located at the middle point of an inlet of one end, connected with the pipeline, of the sprinkler (4), and the length of the flow expansion rod (5) is equal to the height of the hollow part of the sprinkler (4).

4. The apparatus for preparing a battery separator with a quick-charging function according to claim 1, wherein: go up trapezoidal piece (61) for the trapezoidal of length on the left side, right side is short, and go up trapezoidal piece (61) and be trapezoidal shell, go up trapezoidal piece (61) inside in the middle of being hollow promptly, lower trapezoidal piece (62) are the trapezoidal of big left side little.

5. The apparatus for preparing a battery separator with a quick-charging function according to claim 1, wherein: the two transmission shafts (72) at the leftmost side are sleeved in the lower trapezoidal block (62), and the caterpillar bands (71) on the two transmission shafts (72) are connected with the rightmost end of the bottom surface of the upper trapezoidal block (61).

6. The apparatus for preparing a battery separator with a quick-charging function according to claim 1, wherein: the diameter of the press roller (9) is twice that of the transmission shaft (72), and the press roller (9) is tangent to the crawler belt (71) on the transmission shaft (72).

7. The apparatus for preparing a battery separator with a quick-charging function according to claim 1, wherein: the fixed plate (13) consists of a long plate and a short plate, the long plate is fixedly arranged on the ground in front of and behind the stretching table (12), and the short plate is fixedly arranged on one surface, close to the stretching table (12), of the long plate.

8. The apparatus for preparing a battery separator with a quick-charging function according to claim 1, wherein: the cutter (17) is in a fan shape with ninety degrees, the arc-shaped surface of the cutter (17) is a sharp edge, and the edge direction of the cutter (17) is towards the left.