CN202265242U - Battery diaphragm slitting device - Google Patents

Abstract

The utility model relates to a battery diaphragm slitting device, which comprises discharge drums, a feed press roll, a slitting cutter, a collecting press roll and a collecting drum in sequence arrangement. A battery diaphragm is delivered from the discharge drum, pressed and guided by a discharge press roll and is pressed and guided by the collecting press roll after being slit by the slitting cutter, and slit battery diaphragms are scrolled by the collecting drum. By rolling and unrolling a diaphragm roll continuously and slitting the diaphragm continuously by the slitting cutter, continuity and uniformity of slitting are guaranteed, slitting efficiency is improved, subsequent battery diaphragm rolling is convenient and production efficiency and uniformity of batteries are improved.

Description

A battery separator cutting device

technical field

The utility model relates to a battery manufacturing device, in particular to a cutting device which can be used for battery separators.

Background technique

With the rapid development of electronic products, some portable mobile devices are more widely used, and people's demand for secondary batteries (such as rechargeable Ni-MH batteries) is increasing, followed by higher requirements for battery performance. To get higher and higher, which requires us to continuously improve.

The positive and negative electrodes of rechargeable batteries are usually separated by a separator. The current battery separator is usually cut from a larger separator roll to form a small piece of separator, and then the positive and negative electrodes are assembled. The existing separator is cut by a special person with a blade and a ruler, which takes a long time. At the same time, the front and rear separators are not neat, which brings great inconvenience to the subsequent winding of the positive and negative electrodes; moreover, it affects the product. quality, consistency, etc.

Utility model content

The technical problem to be solved by the utility model is to provide a battery diaphragm cutting device that can cut continuously and consistently.

The technical solution adopted by the utility model to solve the technical problem is: to construct a battery diaphragm cutting device, including a discharging roller, a feeding roller, a cutting tool, a receiving roller and a receiving roller arranged in sequence;

The battery separator is sent out from the discharge roller, pressed and guided by the discharge roller, cut by the cutting tool, pressed and guided by the receiving roller, and collected by the receiving roller. Roll the battery separator after slitting.

In the battery separator cutting device of the present utility model, the receiving roller includes at least two separately arranged receiving rollers, and each of the receiving rollers respectively rewinds the cut and alternately arranged batteries. diaphragm.

In the battery separator cutting device of the present invention, the battery separator cutting device further includes a driving mechanism that drives each of the receiving rollers to rotate.

In the battery separator cutting device of the present invention, the driving mechanism includes a motor, and a synchronous transmission mechanism connected with the motor and each receiving roller.

In the battery separator cutting device of the present invention, the cutting tool includes a cylindrical body and a plurality of blades separately arranged on the circumference of the cylindrical body.

In the battery separator cutting device of the present invention, the blades are arranged on the same prime line of the cylindrical body.

In the battery separator cutting device of the present invention, the feeding pressure roller and the receiving pressure roller are respectively located on both sides of the cylindrical main body, and the position of the cylindrical main body is higher than that of the feeding pressing roller and the receiving pressure roller. the height of the roller;

The blades are arranged on the highest prime line of the cylindrical body.

In the battery separator cutting device of the present invention, the cylindrical body is provided with a plurality of installation slots, and the blade is fixedly installed in the installation slots.

In the battery separator cutting device of the present invention, there are a plurality of feeding pressure rollers, which are respectively arranged in parallel between the discharging drum and the cutting tool;

There are a plurality of receiving pressure rollers, which are respectively arranged in parallel between the cutting knives of the receiving drum.

In the battery separator cutting device of the present invention, the battery separator cutting device also includes a frame for the installation of the discharging roller, the feeding roller, the cutting tool, the receiving roller and the receiving roller.

Implementing the utility model has the following beneficial effects: through continuous retracting and unwinding of the diaphragm roll, and in the process of retracting and unwinding, the diaphragm is continuously slit by a cutting tool, thereby ensuring the continuity and consistency of the slitting and improving the Slitting efficiency facilitates subsequent battery winding and improves battery production efficiency and consistency.

Description of drawings

The utility model will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is the schematic diagram of the first embodiment of the battery diaphragm cutting device of the present invention.

Detailed ways

As shown in FIG. 1 , it is the first embodiment of the battery separator cutting device of the present invention, which can be used for continuous cutting of nickel-metal hydride battery separator 10 ; of course, it can also be used for cutting of other battery separators 10 .

The battery separator cutting device includes a discharge roller 11, a feeding roller 12, a cutting tool 13, a receiving roller 14, and a receiving roller 15 arranged in sequence. Of course, these devices can be fixedly installed on the same frame 16, different racks 16 can also be installed separately.

As shown in the figure, the unwinding drum 11 is arranged at one end of the frame 16, on which the roll of the battery separator 10 can be placed; and the receiving drum 15 is placed at the other end of the frame 16 for winding and dividing Cut battery separator 10. In this embodiment, the rewinding drum 15 includes two rewinding drums 15 arranged separately, so that the battery separators 10 after slitting can be separated alternately and rewound by the two rewinding drums 15 respectively, thereby avoiding The defect that it is difficult to separate and roll the battery separators 10 after slitting is too close to each other is eliminated, so that the winding is simpler and more convenient. It can be understood that one or more winding drums 15 can be provided as required, as long as the cut battery separator 10 can be separately wound.

It can be understood that the battery separator cutting device also includes a driving mechanism, through which the collecting drum 15 is driven to rotate and collect materials. The driving mechanism at least includes a motor, and a synchronous transmission mechanism connecting the motor and a plurality of receiving drums 15 . Of course, the driving mechanism can also be a plurality of motors to drive each receiving drum 15 respectively.

The feeding pressure roller 12 is arranged in parallel between the slitting cutter 13 and the discharging roller 11 , and is used to change the feeding direction of the battery separator 10 . The number of feed press rollers 12 can be set to one or more as required, and only one feed press roller 12 is schematically shown in the figure.

The receiving roller 14 is arranged in parallel between the cutting tool 13 and the receiving roller 15 , and is used to change the feeding direction of the battery separator 10 . The number of receiving press rollers 14 can be set to one or more as required, and only one receiving press roller 14 is schematically shown in the figure.

As shown in the figure, the slitting cutter 13 is arranged between the feed roller 12 and the receiving roller 14, and the position of the cutting cutter 13 is higher than the feeding roller 12 and the receiving roller 14, so that the battery separator When 10 passes through the cutting tool 13, there is a certain pressure, so that the passing battery separator 10 can be cut by using the cutting tool 13. It can be understood that the positions of the slitting cutter 13, the feed roller 12 and the receiving roller 14 can be adjusted as required, for example, the slitting cutter 13 is set at the lowest position, as long as the battery separator 10 passing through the slitting cutter 13 is kept Keeping a certain pressure on the cutting edge of the cutting tool 13 can realize the cutting operation of the battery separator 10 .

In this embodiment, the cutting tool 13 includes a cylindrical body 131 and a plurality of blades 132 separately arranged on the circumference of the cylindrical body 131 . The distance between each blade 132 is the width that the battery separator 10 needs to be cut. In this embodiment, the blades 132 are arranged on the same element line of the cylindrical body 131, and on the highest element line when the cutting tool 13 is at the highest position, so that when the battery separator 10 passes through, the blades 132 can be used to separate cut.

In this embodiment, the cylindrical body 131 is provided with a plurality of installation slots, and the blade 132 is fixedly installed in the installation slots. It can be understood that the size of the installation slot can be larger, so that the position of the blade 132 can be adjusted in the installation slot, and then fixed by various methods such as screws, bolts, and welding after adjustment.

When working, the battery separator 10 roll is placed on the discharge drum 11, the battery separator 10 is pulled out, and after being pressed by the feed roller 12, it reaches the cutting tool 13, and the battery separator 10 is cut by the cutting tool 13 The battery separator 10 after slitting is pressed by the receiving pressure roller 14, and the battery separator 10 after slitting is wound on two receiving rollers 15 according to the rules of separation; then the driving mechanism is used to drive the receiving roller 15 Rotate, continuously drive the battery separator 10 to be sent out from the discharge drum 11, and the battery separator 10 continuously passes through the feed roller 12, the cutting tool 13, and the receiving roller 14 to the receiving roller 15, realizing the battery separator 10. Continuous slitting, winding and other operations improve the slitting efficiency and good consistency.

The above embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to allow those familiar with this technology to understand the content of the present utility model and implement it accordingly, and cannot limit the protection scope of the present utility model. All equivalent changes and modifications made in accordance with the scope of the claims of the utility model shall fall within the scope of the claims of the utility model.

Claims (10)

1. A battery separator slitting device, characterized in that it includes a discharging roller, a feeding roller, a cutting tool, a receiving roller and a receiving roller arranged in sequence; The battery separator is sent out from the discharge roller, pressed and guided by the discharge roller, cut by the cutting tool, pressed and guided by the receiving roller, and collected by the receiving roller. Roll the battery separator after slitting. 2. The battery separator cutting device according to claim 1, wherein the rewinding drum comprises at least two separate rewinding drums, and each of the rewinding drums rewinds the slitted , the battery separators arranged alternately. 3 . The battery separator cutting device according to claim 2 , wherein the battery separator cutting device further comprises a driving mechanism that drives each of the receiving rollers to rotate. 4 . 4 . The battery separator cutting device according to claim 3 , wherein the driving mechanism comprises a motor, and a synchronous transmission mechanism connected with the motor and each receiving roller. 5 . The battery separator cutting device according to claim 1 , wherein the cutting tool comprises a cylindrical body and a plurality of blades separately arranged on the circumference of the cylindrical body. 6 . The battery separator cutting device according to claim 5 , wherein the blades are arranged on the same prime line of the cylindrical body. 7. The battery separator cutting device according to claim 6, characterized in that, the feeding pressure roller and the receiving pressure roller are respectively located on both sides of the cylindrical body, and the position of the cylindrical body is higher than that of the feeding roller. The height of material pressing roller and receiving pressing roller; The blades are arranged on the highest prime line of the cylindrical body. 8. The battery separator cutting device according to any one of claims 5-7, wherein the cylindrical body is provided with a plurality of installation slots, and the blade is fixedly installed in the installation slots. 9. The battery separator cutting device according to any one of claims 1-7, characterized in that there are a plurality of feeding pressure rollers, which are respectively arranged in parallel between the discharging drum and the cutting tool between; There are a plurality of receiving pressure rollers, which are respectively arranged in parallel between the cutting knives of the receiving drum. 10. The battery separator cutting device according to any one of claims 1-7, characterized in that, the battery separator cutting device also includes a feed roller, a feed roller, a cutting tool, a receiving The frame where the material pressure roller and the rewinding roller are installed.

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