1. The utility model provides a battery separator's cutting equipment which characterized in that: comprises a frame (1) and a film pressing mechanism (6), wherein the left side and the right side of the frame (1) are symmetrically provided with supporting plates (2), a rotating shaft (21) is rotatably connected on the supporting plate (2), a battery diaphragm roll (7) is sleeved on the rotating shaft (21), a conveying mechanism (3) for conveying the battery diaphragm is arranged on the front side of the supporting plate (2), a U-shaped cutting tool holder (4) with a downward opening is arranged at the front side of the conveying mechanism (3), the top of the cutting knife rest (4) is provided with an air cylinder (41), the end part of a piston rod of the air cylinder (41) is fixed with a cutting knife (42), a backing plate (5) is arranged below the cutter frame (4) of the frame (1), be equipped with on backing plate (5) with cutter complex sword groove (51), press mold mechanism (6) are located on backing plate (5) and are used for compressing tightly the battery diaphragm.

2. A battery separator slitting apparatus as defined in claim 1 wherein: all be equipped with mounting groove (22) on two backup pads (2), the both ends of pivot (21) are arranged in two mounting grooves (22) respectively, be fixed with circular shape fender dish (23) in pivot (21), battery diaphragm is rolled up (7) and is located between fender dish (23) and fixed disk (24), fixed disk (24) are circular structure and cover and locate on pivot (21), the side of fixed disk (24) is equipped with adapter sleeve (25), be equipped with on adapter sleeve (25) and be used for fixing tight screw (26) in the top of pivot (21) with fixed disk (24).

3. A battery separator slitting apparatus as defined in claim 1 wherein: conveying mechanism (3) includes mounting bracket (31), defeated membrane roller (32), motor (34) and press mold roller (37), mounting bracket (31) are equipped with two and the symmetry locates the left and right sides of frame (1), defeated membrane roller (32) are located between two mounting bracket (31) and its both ends rotate respectively and are connected on frame (1), the one end of defeated membrane roller (32) is fixed with synchronizing wheel one (33), motor (34) are fixed in the inboard of frame (1) and its output shaft installs synchronizing wheel two (35), connect through hold-in range (36) between synchronizing wheel one (33) and synchronizing wheel two (35), the both ends of press mold roller (37) are located mounting hole (311) of two mounting bracket (31) respectively, the tip of press mold roller (37) slides and pegs graft and has guide post (371), the lower extreme of guide post (371) is fixed with anticreep cap one (372), the top of the guide post (371) penetrates through the mounting frame (31) and is fixed with a second anti-falling cap (373), and a first spring (374) is sleeved on the guide post (371) between the film pressing roller (37) and the mounting frame (31).

4. A battery separator slitting apparatus as defined in claim 1 wherein: press mold mechanism (6) are including press mold board (61), spliced pole (62) and spring two (65), press mold board (61) is "U" font and opening down and set up on backing plate (5), the top of press mold board (61) is used for sword hole (611) that the cutter passed through, the inboard of press mold board (61) is through slider (612) and backing plate (5) sliding connection, the bilateral symmetry is equipped with opening (613) around press mold board (61), the both ends at press mold board (61) top are fixed with respectively spliced pole (62), fixed plate (63) sliding connection of spliced pole (62) and cutter (42) side, the top of spliced pole (62) is equipped with three (64) of anticreep cap, spliced pole (62) overlap between fixed plate (63) and press mold board (61) and be equipped with spring two (65).

5. A battery separator slitting apparatus as defined in claim 1 wherein: the frame (1) is equipped with ramp plate (11) in the front side below of backing plate (5), the front side below of ramp plate (11) is equipped with and receives workbin (12).

Background

In the construction of the battery, the separator is one of the key internal components. The performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, directly influences the characteristics of the battery such as capacity, cycle, safety performance and the like, the diaphragm with excellent performance has an important function of improving the comprehensive performance of the battery, the main function of the diaphragm is to separate the positive electrode and the negative electrode of the battery, prevent the two electrodes from contacting and short-circuiting, and the diaphragm also has the function of enabling electrolyte ions to pass through. The battery diaphragm needs to be cut in the production process, but the phenomenon that the cutting surface is uneven due to the fact that wrinkles and bends can occur in the process of cutting the battery diaphragm by the existing battery diaphragm cutting equipment, so that the production quality of the battery diaphragm is reduced.

Disclosure of Invention

The invention aims to provide a cutting device for a battery diaphragm, which overcomes the defects in the prior art.

The utility model provides a battery diaphragm's cutting equipment, includes frame and press mold mechanism, the left and right sides symmetry of frame is equipped with the backup pad, it is connected with the pivot to rotate in the backup pad, the cover is equipped with the battery diaphragm and rolls up in the pivot, the front side of backup pad is equipped with the conveying mechanism who is used for carrying battery diaphragm, conveying mechanism's front side is equipped with "U" font and opening cutter frame down, cutter frame's top is equipped with the cylinder, the tailpiece of the piston rod portion of cylinder is fixed with the cutter, the frame is equipped with the backing plate in cutter frame's below, be equipped with on the backing plate with cutter complex sword groove, press mold mechanism locates on the backing plate and is used for compressing tightly battery diaphragm.

Preferably, all be equipped with the mounting groove in two backup pads, the both ends of pivot are arranged in two mounting grooves respectively, be fixed with the circular shape in the pivot and keep off the dish, the battery diaphragm is rolled up and is located between fender dish and the fixed disk, the fixed disk is circular structure and the cover is located in the pivot, the side of fixed disk is equipped with the adapter sleeve, be equipped with on the adapter sleeve and be used for fixing the fixed disk at the epaxial tight screw in top of pivot.

Preferably, conveying mechanism includes mounting bracket, defeated membrane roller, motor and press mold roller, the mounting bracket is equipped with two and the left and right sides of symmetry locating the frame, defeated membrane roller is located between two mounting brackets and its both ends rotate respectively and connect in the frame, the one end of defeated membrane roller is fixed with synchronizing wheel one, the motor is fixed in the inboard of frame and its output shaft and installs synchronizing wheel two, connect through the hold-in range between synchronizing wheel one and the synchronizing wheel two, the both ends of press mold roller are located the mounting hole of two mounting brackets respectively, the tip of press mold roller slides and pegs graft and has the guide post, the lower extreme of guide post is fixed with anticreep cap one, the top of guide post is passed the mounting bracket and is fixed with anticreep cap two, the guide post overlaps between press mold roller and mounting bracket and is equipped with spring one.

Preferably, press mold mechanism includes press mold plate, spliced pole and spring two, the press mold plate is "U" font and opening down and set up on the backing plate, the top of press mold plate is used for the cutter hole of cutter process, slider and backing plate sliding connection are passed through to the inboard of press mold plate, bilateral symmetry is equipped with the opening around the press mold plate, the both ends at press mold plate top are fixed with respectively the spliced pole, the fixed plate sliding connection of spliced pole and cutter side, the top of spliced pole is equipped with anticreep cap three, the spliced pole overlaps between fixed plate and press mold plate and is equipped with spring two.

Preferably, a slope plate is arranged below the front side of the base plate of the rack, and a material receiving box is arranged below the front side of the slope plate.

The invention has the following advantages:

when the battery diaphragm pressing device is used, the battery diaphragm is pressed by the film pressing roller through the first spring of the conveying mechanism, the battery diaphragm is conveyed through the film conveying roller, the film pressing plate of the film pressing mechanism is provided with the front and back symmetrical openings, so that the battery diaphragm is limited, when the piston rod of the air cylinder drives the cutter to move downwards, the film pressing plate also moves downwards and presses the battery diaphragm downwards, the cutter continues to move downwards, the fixing plates on the two sides of the cutter move downwards along the connecting column and compress the second spring, the battery diaphragm is pressed by the film pressing plate, and the cutter cuts the battery diaphragm, so that the fold bending of the battery diaphragm is avoided, and the cut surface of the battery diaphragm is cut smoothly.

Drawings

Fig. 1 is a schematic overall three-dimensional structure of the present invention.

Fig. 2 is a partial enlarged view of the invention at a in fig. 1.

Fig. 3 is a schematic structural diagram of the rear side of the present invention.

Fig. 4 is a schematic structural view of the bottom of the present invention.

Fig. 5 is a schematic structural diagram of a film pressing mechanism and a cutting tool rest according to the invention.

Fig. 6 is a schematic structural view of fig. 5 without a film pressing mechanism.

Fig. 7 is a schematic structural diagram of a lamination plate according to the present invention.

Wherein: 1. the frame, 11, ramp plate, 12, receipts workbin, 2, the backup pad, 21, the pivot, 22, the mounting groove, 23, keep off the dish, 24, the fixed disk, 25, the adapter sleeve, 26, the tight screw in top, 3, conveying mechanism, 31, the mounting bracket, 311, the mounting hole, 32, defeated membrane roller, 33, synchronizing wheel one, 34, the motor, 35, synchronizing wheel two, 36, the hold-in range, 37, the squeeze film roller, 371, the guide post, 372, anticreep cap one, 373, anticreep cap two, 374, spring one, 4, the cutter frame, 41, the cylinder, 42, the cutter, 5, the backing plate, 51, the sword groove, 6, squeeze film mechanism, 61, the squeeze film board, 611, the sword hole, 612, the slider, 613, the opening, 62, the spliced pole, 63, the fixed plate, 64, anticreep cap three, 65, spring two, 7, battery diaphragm is rolled up.

Detailed Description

The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention.

As shown in fig. 1-7, the present invention provides a battery separator cutting device, which comprises a frame 1 and a film pressing mechanism 6, wherein support plates 2 are symmetrically arranged on the left and right sides of the frame 1, a rotating shaft 21 is rotatably connected to the support plates 2, a battery separator roll 7 is sleeved on the rotating shaft 21, a conveying mechanism 3 for conveying a battery separator is arranged on the front side of the support plate 2, a "u" -shaped cutter frame 4 with a downward opening is arranged on the front side of the conveying mechanism 3, an air cylinder 41 is arranged on the top of the cutter frame 4, a cutter 42 is fixed on the end of a piston rod of the air cylinder 41, a backing plate 5 is arranged below the cutter frame 4 of the frame 1, a knife groove 51 matched with the cutter is arranged on the backing plate 5, and the film pressing mechanism 6 is arranged on the backing plate 5 and used for pressing the battery separator.

In this embodiment, all be equipped with mounting groove 22 on two backup pads 2, the both ends of pivot 21 are arranged in two mounting grooves 22 respectively, make things convenient for installation and taking out from backup pad 2 to pivot 21, be fixed with the circular shape fender dish 23 in the pivot 21, battery diaphragm book 7 is located between fender dish 23 and the fixed disk 24, fixed disk 24 is circular structure and overlaps and locates on pivot 21, the side of fixed disk 24 is equipped with adapter sleeve 25, be equipped with on the adapter sleeve 25 and be used for fixing the top tight screw 26 on pivot 21 with fixed disk 24, unscrew top tight screw 26, can take off from pivot 21 with the fixed disk and carry out the change that new battery diaphragm book 7, screw up top tight screw 26, can roll up 7 to the battery diaphragm and carry on spacingly.

In this embodiment, the conveying mechanism 3 includes a mounting frame 31, a film conveying roller 32, a motor 34 and a film pressing roller 37, the mounting frame 31 is provided with two and symmetrically arranged at the left and right sides of the frame 1, the film conveying roller 32 is located between the two mounting frames 31 and both ends thereof are respectively rotatably connected to the frame 1, one end of the film conveying roller 32 is fixed with a first synchronizing wheel 33, the motor 34 is fixed at the inner side of the frame 1 and an output shaft thereof is provided with a second synchronizing wheel 35, the first synchronizing wheel 33 and the second synchronizing wheel 35 are connected by a synchronous belt 36, wherein the synchronous belt and a tooth socket of the synchronous wheel can be correctly meshed in the synchronous belt transmission, so as to realize synchronous transmission without slip difference and obtain accurate transmission ratio, both ends of the film pressing roller 37 are respectively located in the mounting holes 311 of the two mounting frames 31, a guide column 371 is slidably inserted at an end of the film pressing roller 37, a first anti-slip cap 372 is fixed at a lower end of the guide column 371, the top of the guide post 371 passes through the mounting frame 31 and is fixed with a second anti-drop cap 373, and a first spring 374 is sleeved on the guide post 371 between the film pressing roller 37 and the mounting frame 31.

In this embodiment, press mold mechanism 6 includes press mold plate 61, spliced pole 62 and two 65 of spring, press mold plate 61 is "U" font and opening down and sets up on backing plate 5, press mold plate 61's top is used for the cutter hole 611 of cutter process, press mold plate 61's inboard is passed through slider 612 and backing plate 5 sliding connection, both sides symmetry is equipped with opening 613 around press mold plate 61, when the battery diaphragm is located press mold plate 61's opening, opening 613 can be spacing to the battery diaphragm, the both ends at press mold plate 61 top are fixed with respectively spliced pole 62, fixed plate 63 sliding connection of spliced pole 62 and cutter 42 side, the top of spliced pole 62 is equipped with three 64 of anticreep cap, spliced pole 62 is equipped with between fixed plate 63 and press mold plate 61 spring two 65, spring two 65 can cushion cutter 42 overdraft, the battery diaphragm is prevented from being damaged under impact.

In this embodiment, the rack 1 is provided with a slope plate 11 below the front side of the backing plate 5, and a material receiving box 12 below the front side of the slope plate 11.

The specific implementation mode and principle are as follows:

in practical application, the battery diaphragm roll 7 is sleeved on the rotating shaft 21, the fixed disc 24 is fixed on the rotating shaft 21 through the abutting screw 26 on the connecting sleeve 25, so that the battery diaphragm roll 7 is fixed on the rotating shaft 21, a battery diaphragm penetrates through the space between the film conveying roller 32 and the film pressing roller 37, the battery diaphragm is pressed by the film pressing roller 37 under the action of the spring I374 and then penetrates through the space between the film pressing plate 61 and the backing plate 5, the opening 613 of the film pressing plate 61 limits the battery diaphragm, the air cylinder 41 is started, the piston rod of the air cylinder 41 drives the cutter 42 to move downwards, the film pressing plate 61 moves downwards along with the battery diaphragm, the cutter 42 continues to move downwards, the fixing plates 63 on two sides of the cutter 42 move downwards along the connecting column 62 and compress the spring II 65, the battery diaphragm is pressed by the film pressing plate 61, and the cutter 42 cuts the battery diaphragm, after cutting is finished, the piston rod of the control cylinder 41 retracts, the cutter 42 moves upwards along with the piston rod, when the fixing plate 63 is in contact with the third anti-falling cap 64, the film pressing plate 61 is driven to move upwards, the sliding block 612 on the inner side of the film pressing plate 61 is not separated from the base plate 5, the cut battery diaphragm stops being pressed, the battery diaphragm slides into the material receiving box 12 from the slope plate 11, the motor 34 is started at the moment, the output shaft of the motor 34 drives the film conveying roller 32 to rotate through belt transmission to drive the battery diaphragm to move for a proper length, the output shaft of the motor 34 is stopped to rotate, and then the steps are repeated to cut the battery diaphragm.

The invention has been described above with reference to the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various insubstantial modifications of the invention, including those based on the spirit and scope of the invention, or other applications without modification.