CN206076417U - A kind of polymer Li-ion battery closedtop tool - Google Patents

Abstract

The utility model discloses a kind of polymer Li-ion battery closedtop tool, belongs to lithium ion battery preparing technical field.The closedtop tool includes hot sealing device, battery core supporting plate, left keeper, rear keeper and carriage, the hot sealing device includes to be mutually closed or detached upper holder block and lower lock block, the carriage is fixedly arranged on the front side of the lower lock block, the battery core supporting plate is arranged on carriage, and the left keeper and rear keeper are removably disposed on the battery core supporting plate.The closedtop tool is reasonable in design, simple structure, and conveniently and efficiently battery to be wrapped can be positioned, and encapsulation is firm, and cell package quality is good, and production efficiency is greatly improved.

Description

A polymer lithium ion battery top sealing fixture

technical field

The utility model relates to the technical field of lithium-ion battery preparation, in particular to a top-sealing jig for a polymer lithium-ion battery.

Background technique

Lithium polymer battery (Li-polymer, also known as polymer lithium battery): it is also a kind of lithium ion battery, but compared with liquid lithium battery (Li-ion), it has high energy density, better cycle life, and smaller size It is a new type of battery with many obvious advantages such as miniaturization, ultra-thinness, light weight, and high safety. In terms of shape, lithium polymer batteries have ultra-thin features, and can be made into batteries of any shape and capacity to meet the needs of various products. This type of battery can achieve a minimum thickness of up to 0.5mm. Its nominal voltage is the same as Li-ion's nominal voltage of 3.7V, and there is no memory effect. In the thermal packaging process of existing lithium-ion batteries, most single cells are manually positioned and edge-sealed, which is likely to cause poor packaging and leak liquid from the top seal of the battery, making most factories need to perform secondary packaging, resulting in low production efficiency and poor packaging effects. , Labor intensity of workers and other defects.

Utility model content

In order to overcome the deficiencies of the prior art, the purpose of this utility model is to provide a polymer lithium ion battery top sealing jig, the top sealing jig is reasonable in design, simple in structure, it can conveniently and quickly locate the battery to be packaged, and the package is firm , the quality of battery packaging is good, and the production efficiency is greatly improved.

In order to solve the above problems, the technical scheme adopted in the utility model is as follows:

A polymer lithium-ion battery top sealing jig, including a heat sealing device, a cell support plate, a left positioning part, a rear positioning part and a sliding device, the heat sealing device includes an upper pressing block and a lower pressing block that can be closed or separated from each other Pressing block, the sliding device is fixed on the front side of the lower pressing block, the cell support plate is arranged on the sliding device, and the left positioning part and the rear positioning part are detachably arranged on the cell support board.

Specifically, the heat sealing device also includes a fixed plate, a bottom plate, a fixed column and a driving cylinder, the fixed plate is fixed on the fixed column, the fixed column is fixed on the bottom plate, and the driving cylinder is fixed on the The fixed plate and its output shaft pass through the fixed plate and are fixedly connected with the upper pressure block; the upper pressure block is sleeved on the fixed column, and the fixed column between the upper pressure block and the bottom plate The upper sleeve is provided with a return spring.

Specifically, the sliding device includes a support piece, a slider fixing piece, a slider and a slide rail; the support piece is fixed on the bottom plate and is located on the front side of the lower pressing block, and the slider fixing piece It is arranged on the supporting member, and the slider is arranged on the slider fixing member; the slide rail is fixed on the bottom of the cell pallet and is slidably connected with the slider.

The utility model also includes a box body, the box body is fixed on the bottom plate, and the fixing plate is fixed on the box body.

Preferably, a PLC control panel is also provided in the box.

Further, the lower pressing block or the upper pressing block is provided with a sensor, the sensor is electrically connected to the PLC control panel, and the driving cylinder is electrically connected to the PLC control panel.

Compared with the prior art, the beneficial effects of the utility model are:

The polymer lithium-ion battery top sealing jig described in the utility model has a reasonable design and a simple structure. The utility model only needs to adjust the sliding device according to the width and length of the battery to be packaged, and put the battery cell to be packaged on the battery cell support plate. By manually adjusting the left and rear positioning parts, the position of the battery to be tested can be adjusted conveniently. The packaging is firm and the battery packaging quality is good, which not only saves costs, but also greatly improves the leakage of the battery top seal and improves production efficiency.

Description of drawings

Fig. 1 is the structural representation of the polymer lithium ion battery top sealing jig described in the utility model;

Fig. 2 is a schematic structural view of the top sealing jig described in the present invention after removing the box;

Fig. 3 is a schematic structural view of the sliding device described in the present invention;

Among them, 1. box body; 2. heat sealing device; 21. fixed plate; 22. bottom plate; 23. fixed column; 24. driving cylinder; 25. upper pressing block; 26. lower pressing block; , cell support plate; 4, left positioning piece; 5, rear positioning piece; 6, sliding device; 61, supporting piece; 62, slider fixing piece; 63, slider; .

detailed description

The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment.

As shown in Figures 1 to 3, it is a polymer lithium-ion battery top sealing fixture described in the present invention. The top sealing fixture includes a box body 1, a heat sealing device 2, a cell support plate 3, a left Positioning part 4, rear positioning part 5 and sliding device 6. Specifically, the heat sealing device 2 is arranged in the box body 1, the heat sealing device 2 includes an upper pressing block 25 and a lower pressing block 26, and the upper pressing block 25 and the lower pressing block 26 can be closed or separated from each other; the heat sealing device 2 also includes Fixed plate 21, base plate 22, fixed column 23 and driving cylinder 24, fixed column 23 is fixed on the base plate 22, fixed plate 21 is fixed on the fixed column 23 and is connected with box body 1, thus fixed plate 21, fixed column 23 and the base plate 22 form a fixed frame for accommodating the upper pressing block 25 and the lower pressing block 26, the box body 1 is arranged on the base plate 22; the driving cylinder 24 is fixed on the fixing plate 21, and the output shaft of the driving cylinder 24 passes through The fixed plate 21 is fixedly connected with the upper pressing block 25 to control the upper pressing block 25 to move up and down so that the upper pressing block 25 and the lower pressing block 26 are separated or closed. In order to increase the stability of the upper pressing block 25 when it moves up and down, the upper pressing block 25 is sleeved on the fixed column 23, and the fixed column 23 between the upper pressing block 25 and the bottom plate 22 is provided with a return spring 27, which completes the lifting of the battery. After sealing, the upper pressing block 25 rebounds to the original position under the action of the return spring 27, which can reduce the operating frequency of the driving cylinder 24 and help to prolong the service life of the driving cylinder 24.

Specifically, the sliding device 6 is fixed on the front side of the lower pressing block 26, and the sliding device 6 includes a support member 61, a slider fixing member 62, a slider 63 and a slide rail 64; the support member 61 is fixed on the bottom plate 22 and Located on the front side of the lower pressing block 26 , the slider fixing part 62 is arranged on the supporting part 61 , and the slider 63 is arranged on the slider fixing part 62 ; the sliding rail 64 is slidably connected with the slider 63 . The cell pallet 3 is arranged on the slide rail 64 of the sliding device 6 , and the left positioning member 4 and the rear positioning member 5 are detachably arranged on the cell pallet 3 . On the one hand, the utility model adjusts the position of the cell supporting plate 3 on the sliding device 6 so that the utility model can be applied to the top sealing process of lithium-ion batteries of different specifications; on the other hand, the left positioning member 4 and the The position of the rear positioning member 5 on the cell supporting plate 3 can conveniently adjust the position of the battery to be tested.

Preferably, a PLC control panel 7 is also arranged in the box body 1 . Further, the lower pressing block 26 or the upper pressing block 25 is provided with a sensor (not shown) for detecting whether the battery lug is located between the upper pressing block 25 and the lower pressing block 26 at the position corresponding to the cell supporting plate 3, The sensor is electrically connected to the PLC control panel 7 , and the driving cylinder 24 is electrically connected to the PLC control panel 7 . When the sensor detects the battery tab, the electrical signal is sent to the PLC control panel 7, and the PLC control panel 7 controls the drive cylinder 24 to start, and the drive cylinder 24 drives the upper pressing block 25 to move downward to complete the top seal.

In actual use, first fix the position of the cell to be packaged according to the above method, and then open the top sealing fixture. When the temperature reaches the process setting value, you can press the switch on the PLC control panel 7 to drive the cylinder 24 Drive the upper pressing block 25 and the lower pressing block 26 to close, so that the top of the battery can be sealed firmly.

The above-mentioned embodiments are only preferred embodiments of the present utility model, and cannot be used to limit the scope of protection of the present utility model. The scope of protection required by the utility model.

Claims (6)

1. a kind of polymer Li-ion battery closedtop tool, it is characterised in that：Including hot sealing device, battery core supporting plate, left keeper, Keeper and carriage afterwards, the hot sealing device include to be mutually closed or detached upper holder block and lower lock block, the slip Device is fixedly arranged on the front side of the lower lock block, and the battery core supporting plate is arranged on carriage, the left keeper and rear positioning Part is removably disposed on the battery core supporting plate.

2. polymer Li-ion battery closedtop tool according to claim 1, it is characterised in that：The hot sealing device is also wrapped Fixed plate, base plate, fixed column and drive cylinder are included, the fixed plate is fixedly arranged on fixed column, the fixed column and is fixedly arranged on the bottom On plate, the drive cylinder is fixedly arranged in the fixed plate and its output shaft is fixedly connected through fixed plate with the upper holder block； The upper holder block is sheathed in the fixed column, and reset bullet is arranged with the fixed column between the upper holder block and the base plate Spring.

3. polymer Li-ion battery closedtop tool according to claim 2, it is characterised in that：The carriage includes Support member, slide block fixture, slide block and slide rail；The support member is fixedly arranged on the base plate and before the lower lock block Side, the slide block fixture are arranged on the support member, and the slide block is arranged on the slide block fixture；The slide rail is solid It is slidably connected located at the bottom of the battery core supporting plate and with the slide block.

4. polymer Li-ion battery closedtop tool according to claim 2, it is characterised in that：Also include casing, it is described Casing is fixedly arranged on the base plate, and the fixed plate is fixedly arranged in the casing.

5. polymer Li-ion battery closedtop tool according to claim 4, it is characterised in that：Also set up in the casing There are PLC control panels.

6. polymer Li-ion battery closedtop tool according to claim 5, it is characterised in that：The lower lock block or upper pressure Sensor is provided with block, the sensor is electrically connected with PLC control panels, the drive cylinder and the PLC control panels Electrical connection.