A sealing technology and device for separation film bag

An edge-sealing device and membrane bag technology, applied in the direction of structural parts, electrical components, battery pack parts, etc., can solve problems such as trouble, insufficient strength, troublesome variety replacement, etc., and achieve simple device structure, small edge width, and difficult The effect of the rift

Inactive Publication Date: 2008-05-28
BAILE ELECTROTHERMIC ELECTRIC APPLIANCE JIANGSU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When a machine is used for multi-standard pole pieces, the ultrasonic vibrating head must be replaced, which is troublesome; if several sides need to be formed at one time, due to space constraints, the ultrasonic vibrating head is difficult to design
In addition, because the edge of ultrasonic welding needs a certain width, about 0.8-

Method used

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  • A sealing technology and device for separation film bag

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Effect test

Embodiment Construction

[0026] According to Fig. 1, Fig. 2 shows, a kind of edge banding device of membrane bag, it comprises cylinder 1 and base 2, is provided with guide rod 3, guide rod fixing plate 4, electric heating knife 5 between described 1 cylinder and base 2 , electric heating knife fixed plate 6, pressing plate guide rod 7, electric heating knife guiding rod 8, two pressing plates 9 and backing plate 10. The cylinder base body is provided with a guide rod 3 passing downward through the guide rod fixed plate 4, and when the guide rod fixed plate 4 moves, it slides along the guide rod 3 to prevent horizontal rotation of the guide rod fixed plate 4 when moving.

[0027] The lower end of the cylinder push rod is connected with the guide rod fixed plate 4, and the guide rod fixed plate 4 is connected with a pair of electric knife guide rods 8 and a pair of pressure plate guide rods 7, and two pressure plates 9 are fixed at the lower ends of the two pressure plate guide rods 7, There is a gap o...

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Abstract

The invention discloses the edge enveloping art of a septum bag and the device thereof. The device comprises a gas cylinder (1) and a base (2). A guide rod retaining plate (4), an electric knife (5), an electric knife retaining plate (6), a pressing plate guide rod (7), an electric knife guide rod (8), two pressing plates (9) and a backing plate (10) are arranged between the gas cylinder (1) and the base (2). The lower end of a cylinder pushing rod is connected with the guide rod retaining plate (4). A structure which is as simple as possible is adopted for the invention to achieve that the cutting and the combining of two layers of septum can be finished simultaneously. The edge enveloping width of the septum bag is small, and the stickability of the bag mouth is tight without breach.

Description

technical field [0001] The invention relates to a diaphragm bag edge sealing process and device. Background technique [0002] The positive and negative electrodes of the battery need to be separated by a diaphragm, so that there is no short circuit between the positive and negative electrodes and the ions between the positive and negative electrodes can be transmitted, usually separated by a non-woven fabric (diaphragm). There are several methods, one of which is to put the positive electrode sheet or the positive and negative electrode sheets in a special diaphragm bag, such as lithium-ion batteries, hydrogen batteries, nickel-chromium batteries, etc. all use the aforementioned diaphragm bags. In the battery structure, it is required that the space occupied by the pole piece in the battery case should be as small as possible, so the difference between the width of the diaphragm bag and the width of the pole piece is required to be as small as possible, and the value is 2-3...

Claims

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Application Information

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IPC IPC(8): H01M2/14H01M50/403
CPCY02E60/12Y02E60/10
Inventor 张玲候君凯周全
Owner BAILE ELECTROTHERMIC ELECTRIC APPLIANCE JIANGSU
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