CN211053826U - Environment-friendly battery diaphragm cutting device - Google Patents

Abstract

The utility model relates to the technical field of battery cell winding equipment, in particular to an environment-friendly battery diaphragm cutting device, which comprises a frame, a unwinding roller and a tension adjusting mechanism which are arranged on the frame in sequence along the conveying direction of a diaphragm, the cutting mechanism, finished product wind-up roll and clout wind-up roll, cut two spinal branch vaulting poles that the mechanism located the frame both sides including the symmetry, be equipped with the roller bearing between two spinal branch vaulting poles, be equipped with the roller on the roller bearing, the both ends cover of roller is equipped with the axle sleeve, the external diameter of axle sleeve is unanimous with the external diameter of roller, the surface of axle sleeve is equipped with more than one and is the annular cutter groove of circle around its circumference, still be equipped with the dead lever in the top of roller between two spinal branch vaulting poles, be equipped with a pair of gliding slider on the dead lever, the slider can be equipped with the hilt with reciprocating, the hilt is equipped with the. The utility model discloses simple structure can effectively improve cutting effect, easy operation, convenient to use.

Description

Environment-friendly battery diaphragm cutting device

Technical Field

The utility model relates to a battery electricity core coiling equipment technical field especially relates to an environmental protection battery diaphragm cutting device.

Background

As is known, the lithium ion battery is the most advantageous rechargeable battery at present, and with the continuous popularization of applications, the demand for the positive electrode material of the lithium ion battery is also increasing. The lithium ion battery diaphragm is a main component in the lithium ion battery, and the diaphragm has the main function of separating the positive electrode and the negative electrode of the battery to prevent the short circuit caused by the contact of the two electrodes and has the function of enabling electrolyte ions to pass through. 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.

During production, the edge of the diaphragm needs to be cut after the lithium battery cast piece, the edge cutting is mainly to the two sides of the diaphragm caused by the easy defect of the edge in the production process, and the partial irregular edge needs to be cut by the edge cutting device. The edge cutting device in the prior art comprises a conveyor belt, the conveyor belt is mainly used for conveying a diaphragm to a cutter of the edge cutting device, the cutter is used for cutting the edge of the diaphragm, the existing edge cutting device is not used for fixing the diaphragm, the diaphragm can move for a long time, the displacement occurs, the cutting effect is poor, unevenness is still formed after cutting, and the production quality is seriously influenced.

The application number 201821771858.8 discloses a battery diaphragm slitting device which comprises a unreeling roller, a tension adjusting mechanism, a slitting mechanism, a finished product reeling roller and a residual material reeling roller which are sequentially arranged on a base along a diaphragm conveying direction, wherein the tension adjusting mechanism comprises a floating roller, a pair of auxiliary rollers and a pair of supporting plates, the pair of supporting plates are vertically arranged on two sides of the base, the pair of auxiliary rollers and the floating roller are arranged between the pair of supporting plates in a spanning mode, a bar-shaped through hole perpendicular to the base is formed in each supporting plate, a spring corresponding to the bar-shaped through hole is arranged on the outer side of each supporting plate, two ends of each floating roller penetrate through the bar-shaped through hole and are arranged on the spring, the slitting mechanism comprises a pair of supporting rods, the pair of supporting rods are vertically arranged on two sides of the base, a roller is bridged in the middle of the pair of supporting rods, a fixing rod which is parallel to the roller and has a non-circular structure in cross section is arranged above the roller, the rectangular cross section of the fixing rod is fixedly connected to the upper end of the supporting rod, a pair of sliding blocks are sleeved on the fixing rod, the upper end of the sliding block is fixedly connected to the fixing rod through a first bolt, a sliding block is arranged on the lower end face of the blind hole, a sliding block which is arranged in a bolt L, a horizontal sliding block, a sliding block fixedly connected to the lower end of the vertical rod, a sliding block, a.

The cutter is generally used for flat cutting by adopting a cutter, and the cutter is not difficult to find in the using process, so that the diaphragm is easy to be not cut completely, and the cutting effect is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a, can effectively solve current battery diaphragm and cut device the diaphragm when cutting the diaphragm and do not accomplish and open, influence cutting effect's environmental protection battery diaphragm cutting device, its simple structure, its cutting effect who effectively improves battery diaphragm, easy operation, convenient to use.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an environment-friendly battery diaphragm cutting device comprises a frame, and an unwinding roller, a tension adjusting mechanism, a splitting mechanism, a finished product winding roller and a residual material winding roller which are sequentially arranged on the frame along the conveying direction of a diaphragm, the slitting mechanism comprises two support rods symmetrically arranged at two sides of the frame, a rolling shaft is arranged between the two support rods, the roller is provided with a roller, two ends of the roller are respectively sleeved with a shaft sleeve, the outer diameter of the shaft sleeve is consistent with that of the roller, more than one annular cutter groove is arranged on the outer surface of the shaft sleeve around the circumference of the shaft sleeve, a fixed rod which is parallel to the roller and has a non-circular section is arranged between the two support rods and above the roller, the fixed rod is provided with a pair of sliding blocks which can slide along the fixed rod, the sliding blocks are provided with a knife handle which can move up and down, the bottom of the hilt is provided with a cutter, and the hilt is also provided with pinch rollers on the left side and the right side of the cutter respectively.

By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses a set up and cut the cut groove, and locate the cutter that the accessible slider removed on the slider, the diaphragm cutting of adaptable different width, and simultaneously, be equipped with the pinch roller respectively in the cutter both sides, can compress tightly the diaphragm when the cutting, the diaphragm produces the skew when preventing to cut, it is more neat stable to make the cutter cut diaphragm rim charge, improve production efficiency and off-the-shelf qualification rate, and simultaneously, the lower extreme of cutter is slope form and tip sharpness, make it when the cutting, make the cutter point contact with the clothing all the time, can accelerate cutting speed. The utility model discloses think about exquisitely, compact structure is reasonable, can be neat excision diaphragm rim charge for difficult emergence backrush rupture of membranes in the subsequent handling.

The improved structure is characterized in that a negative pressure fan is further arranged on the rack, a dust collecting box is connected to an air outlet of the negative pressure fan, a dust collecting pipe is connected to an air inlet of the negative pressure fan, and the front end of the sliding block is arranged at an air inlet of the dust collecting pipe.

Through the arrangement, dust generated in the cutting process can be collected into the dust collection box through the dust collection pipe and the negative pressure fan, so that the dust is prevented from scattering, the labor condition is improved, and the harm of the dust to a human body is avoided.

In a further improvement, the end part of the shaft sleeve is fixedly connected with the roller through a bolt.

Through the arrangement, the shaft sleeves are installed at the two ends of the roller through the bolts, so that the roller is convenient to disassemble and convenient to later-stage maintain and replace.

The improved structure is characterized in that the section of the upper part of the hilt is of a non-circular polygonal structure, a through hole is formed in the sliding block, the hilt penetrates through the sliding block through the through hole, threads are respectively arranged at the upper end and the lower end of the sliding block, and nuts are arranged on the threads.

Through the arrangement, the height of the hilt can be adjusted, and the diaphragm can be replaced or maintained conveniently in the later period.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a slitting structure according to an embodiment of the present invention;

FIG. 3 is a schematic view of a roller according to an embodiment of the present invention;

fig. 4 is a schematic view of the fitting structure of the fixing rod, the sliding block and the handle of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 4, the embodiment provides an environment-friendly battery separator cutting device, including a frame 1, and an unwinding roller 2, a tension adjusting mechanism 3, a slitting mechanism 4, a finished product winding roller 5 and a remainder winding roller 6 sequentially arranged on the frame along a separator conveying direction, where the slitting mechanism 4 includes two support rods 41 symmetrically arranged on two sides of the frame 1, a roller 42 is arranged between the two support rods 41, a roller 43 is arranged on the roller 42, shaft sleeves 431 are respectively sleeved at two ends of the roller 43, ends of the shaft sleeves 431 are fixedly connected with the roller 43 through bolts 433, an outer diameter of the shaft sleeves 431 is identical to an outer diameter of the roller 43, more than one circular cutter groove 432 is arranged on an outer surface of the shaft sleeves 431 around a circumferential direction thereof, the cutter groove 432 is V-shaped, a fixing rod 44 parallel to the roller 43 and having a rectangular cross section is further arranged between the two support rods 41 above the roller 43, the fixing rod 44 is provided with a pair of sliding blocks 45 capable of sliding along the fixing rod 44, the sliding blocks 45 are provided with a knife handle 461 capable of moving up and down, the bottom end of the knife handle 461 is provided with a cutter 462, the knife handle 461 is further provided with pinch rollers 47 on the left side and the right side of the cutter 462 respectively, specifically, the upper part of the knife handle 461 is of a square structure in section to prevent the knife handle 461 from rotating when being locked, the sliding block 44 is provided with a through hole 451, the knife handle 461 penetrates through the sliding block 44 through the through hole 451, the knife handle 461 is provided with threads on the upper end and the lower end of the sliding block 44 respectively, and the threads are provided with nuts 463 for fixing the knife handle 461 on the.

In this embodiment, the unwinding roller 2, the tension adjusting mechanism 3, the finished product winding roller 5, and the excess material winding roller 6 all have the existing structures, and are not described herein.

In practical application, the cross section of the fixing rod 44 may also be in other non-circular structures, such as triangle, square, etc., which can prevent the sliding block 45 from rotating on the fixing rod; the upper portion cross-section of hilt 461 can also be other non-circular polygonal structures, all can realize like triangle-shaped structure, pentagon structure etc. the utility model aims at.

The utility model discloses during the use, cut groove 432 and locate the cutter 462 that accessible slider 45 removed on the slider 45 through the setting, the diaphragm cutting of adaptable different width prevents that cutter 462 from causing the damage to roller 43, and simultaneously, be equipped with pinch roller 47 respectively in cutter 462 both sides at sword handle 461, can compress tightly the diaphragm when the cutting, and the diaphragm produces the skew when preventing to cut, makes cutter 462 cutting diaphragm rim charge more neatly stable, improves production efficiency and off-the-shelf qualification rate.

In this embodiment, still be equipped with negative pressure fan 71 on the frame 1, negative pressure fan 71's gas outlet is connected with dust collection box 72, negative pressure fan 71's air inlet is connected with dust collecting tube 73, the front end of slider 45 is located to dust collecting tube 73's air inlet, can collect the dust collection box 72 through dust collecting tube 73, negative pressure fan 71 with the dust that produces in the cutting process through this setting to prevent the dust from scattering, improved working condition, avoided the injury of dust to the human body.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (4)

1. The utility model provides an environmental protection battery diaphragm cutting device, includes the frame and sets gradually unwinding roller, tension adjustment mechanism, cutting mechanism, finished product wind-up roll and clout wind-up roll in the frame along diaphragm direction of transfer, its characterized in that: the utility model discloses a cutting mechanism, including frame, cutting mechanism, including the symmetry, two bracing pieces of frame both sides are located, two be equipped with the roller bearing between the bracing piece, be equipped with the roller on the roller bearing, the both ends of roller are equipped with the axle sleeve respectively, the external diameter of axle sleeve is unanimous with the external diameter of roller, the surface of axle sleeve is equipped with more than one and is the annular cutter groove of circle around its circumference, two still be equipped with the dead lever that parallels with the roller and the cross-section is non-circular structure in the top of roller between the bracing piece, be equipped with a pair ofly on the dead lever and follow the gliding slider of dead lever, can be equipped with the hilt on the slider with reciprocating, the bottom of hilt is equipped with the cutter, the lower extreme of cutter.

2. The environment-friendly battery separator cutting device according to claim 1, wherein: the frame is further provided with a negative pressure fan, the air outlet of the negative pressure fan is connected with a dust collecting box, the air inlet of the negative pressure fan is connected with a dust collecting pipe, and the air inlet of the dust collecting pipe is arranged at the front end of the sliding block.

3. The environment-friendly battery separator cutting device according to claim 1, wherein: the end part of the shaft sleeve is fixedly connected with the roller through a bolt.

4. The environment-friendly battery separator cutting device according to claim 1, wherein: the upper part of the cutter handle is of a non-circular polygonal structure in cross section, a through hole is formed in the sliding block, the cutter handle penetrates through the sliding block through the through hole, threads are respectively arranged at the upper end and the lower end of the sliding block, and nuts are arranged on the threads.

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