CN112207158A

CN112207158A - Mould of bending is produced difference to positive negative pole ear of lithium cell

Info

Publication number: CN112207158A
Application number: CN202011117098.0A
Authority: CN
Inventors: 付海民; 刘勇军
Original assignee: Dongguan Zhihong Precision Mould Co ltd
Current assignee: Dongguan Zhihong Precision Mould Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-01-12

Abstract

The invention discloses a die for differently bending positive and negative lugs of a lithium battery, which comprises a base, wherein a support is fixedly connected to the upper side of the base, a first air cylinder and a second air cylinder are fixedly mounted on the upper side of the support, an output shaft of the first air cylinder is fixedly connected with a first sliding block, an output shaft of the second air cylinder is fixedly connected with a second sliding block, and a third air cylinder and a fourth air cylinder are fixedly mounted on the lower side of the base. According to the invention, the first cylinder, the third cylinder and the fifth cylinder are in a group, the second cylinder, the fourth cylinder and the sixth cylinder are in a group, the first bending clamping block and the second bending clamping block are respectively matched to bend and form the left lug and the right lug of the lithium battery, the two groups are mutually independent, the positive lug and the negative lug can be bent into different schemes, namely the left lug and the right lug can be bent and formed at the same time, and the left lug and the right lug can be bent and formed respectively, so that the practicability of the device is improved.

Description

Mould of bending is produced difference to positive negative pole ear of lithium cell

Technical Field

The invention relates to the field of lithium batteries, in particular to a die for differently bending a positive lug and a negative lug of a lithium battery.

Background

A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream. The lithium cell need buckle into the Z type to utmost point ear in the course of working, the follow-up encapsulation shaping of being convenient for.

At present to the mould of bending of lithium cell aluminium utmost point ear in the course of working, need bend into the positive Z type to the positive utmost point ear of battery sometimes, bend into the type of falling Z to the negative pole ear, need adjust utmost point ear well sometimes and bend into the type of falling L, bend into the type of falling L to the negative pole ear, present shaping mould of bending need divide twice to process, can't once process come out.

Disclosure of Invention

The invention mainly solves the technical problems in the prior art and provides a die for differently bending positive and negative lugs of a lithium battery.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a mould of bending is produced difference to positive negative pole ear of lithium cell, the on-line screen storage device comprises a base, the upside fixedly connected with support of base, the upside fixed mounting of support has first cylinder and second cylinder, the first slider of output shaft fixedly connected with of first cylinder, the output shaft fixedly connected with second slider of second cylinder, the downside fixed mounting of base has third cylinder and fourth cylinder, the output shaft fixedly connected with third slider of third cylinder, the output shaft fixedly connected with fourth slider of fourth cylinder.

Preferably, one side of the first slider and one side of the second slider are fixedly connected with a first bending clamping block, one side of the third slider and one side of the fourth slider are fixedly connected with a second bending clamping block, and the first bending clamping block and the second bending clamping block are arranged on the same side.

Preferably, the upper side of base fixedly connected with a plurality of slide bars, first slider and second slider all with slide bar sliding connection.

Preferably, the upper side fixedly connected with stopper of base, third slider and fourth slider and stopper sliding connection.

Preferably, the upper side fixed mounting of support has fifth cylinder and sixth cylinder, the output shaft fixedly connected with clamp splice of fifth cylinder and sixth cylinder, the board is placed to the upside fixedly connected with of base.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, the first cylinder, the third cylinder and the fifth cylinder are in a group, the second cylinder, the fourth cylinder and the sixth cylinder are in a group, the first bending clamping block and the second bending clamping block are respectively matched to bend and form the left lug and the right lug of the lithium battery, the two groups are mutually independent, the positive lug and the negative lug can be bent into different schemes, the left lug can be bent and formed at the same time, and the right lug can be bent and formed respectively, so that the practicability of the device is improved.

Drawings

FIG. 1 is a schematic perspective view of a first embodiment of the present invention;

FIG. 2 is a schematic perspective view of a second embodiment of the present invention;

fig. 3 is a schematic perspective sectional view of the present invention.

In the figure: the device comprises a base 1, a support 2, a first air cylinder 3, a second air cylinder 4, a first sliding block 5, a second sliding block 6, a third air cylinder 7, a fourth air cylinder 8, a third sliding block 9, a fourth sliding block 10, a first bending clamping block 11, a second bending clamping block 12, a sliding rod 13, a limiting block 14, a fifth air cylinder 15, a sixth air cylinder 16, a clamping block 17 and a placing plate 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a mold for differently bending positive and negative lugs of a lithium battery comprises a base 1, a support 2 fixedly connected to the upper side of the base 1, a first cylinder 3 and a second cylinder 4 fixedly mounted on the upper side of the support 2, a first slider 5 fixedly connected to an output shaft of the first cylinder 3, a second slider 6 fixedly connected to an output shaft of the second cylinder 4, a third cylinder 7 and a fourth cylinder 8 fixedly mounted on the lower side of the base 1, a third slider 9 fixedly connected to an output shaft of the third cylinder 7, a fourth slider 10 fixedly connected to an output shaft of the fourth cylinder 8, a first bending clamping block 11 fixedly connected to one side of each of the first slider 5 and the second slider 6, a second bending clamping block 12 fixedly connected to one side of each of the third slider 9 and the fourth slider 10, and by designing and replacing the shapes of the first bending clamping block 11 and the second bending clamping block 12 and the matching between the two blocks, the realization is to the processing of buckling of different pole piece shapes, the first clamp splice of buckling 11 and the setting of the second clamp splice of buckling 12 are in same one side, through first cylinder 3, third cylinder 7 and fifth cylinder 15 are a set of, second cylinder 4, fourth cylinder 8 and sixth cylinder 16 are a set of, drive first slider 5 and second slider 6 downward migration respectively through first cylinder 3 and second cylinder 4, third cylinder 7 and fourth cylinder 8 drive third slider 9 and fourth slider 10 upward migration respectively, cooperate first clamp splice of buckling 11 and the second clamp splice of buckling 12 to bend the shaping to lithium cell left side utmost point ear and right utmost point ear, two sets of mutual independence can become different schemes with positive negative pole ear book, can buckle the shaping also can buckle respectively to left and right utmost point ear simultaneously, improve the practicality of device.

Please refer to fig. 3, the upper side of the base 1 is fixedly connected with a plurality of sliding rods 13, the first sliding block 5 and the second sliding block 6 are both slidably connected with the sliding rods 13, the upper side of the base 1 is fixedly connected with a limiting block 14, the third sliding block 9 and the fourth sliding block 10 are slidably connected with the limiting block 14, the sliding rods 13 limit the first sliding block 5 and the second sliding block 6, so as to improve the moving stability of the first sliding block 5 and the second sliding block 6, the limiting block 14 limits the third sliding block 9 and the fourth sliding block 10, so as to improve the moving stability of the third sliding block 9 and the fourth sliding block 10

Referring to fig. 1, a fifth cylinder 15 and a sixth cylinder 16 are fixedly mounted on the upper side of the bracket 2, a clamping block 17 is fixedly connected to output shafts of the fifth cylinder 15 and the sixth cylinder 16, a placing plate 18 is fixedly connected to the upper side of the base 1, and the clamping block 17 is driven by the fifth cylinder 15 and the sixth cylinder 16 to clamp and fix the lithium battery pole piece on the placing plate 18.

The working principle is as follows: the lithium battery pole piece clamping device comprises a first cylinder 3, a third cylinder 7, a fifth cylinder 15, a second cylinder 4, a fourth cylinder 8 and a sixth cylinder 16, a clamping block 17 is driven by the fifth cylinder 15 and the sixth cylinder 16 to clamp a lithium battery pole piece on a placing plate 18 for fixing, a first slider 5 and a second slider 6 are respectively driven by the first cylinder 3 and the second cylinder 4 to move downwards, the third slider 9 and the fourth slider 10 are respectively driven by the third cylinder 7 and the fourth cylinder 8 to move upwards, a left tab and a right tab of a lithium battery are bent and formed by matching with a first bending clamping block 11 and a second bending clamping block 12, the two groups are independent of each other, the positive tab and the negative tab can be bent into different schemes, namely, the left tab and the right tab can be bent and formed simultaneously, and the left tab and the right tab can also be bent respectively, and the practicability of the device is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mould of bending is produced difference to positive negative pole ear of lithium cell, includes base (1), its characterized in that: the utility model discloses a pneumatic control valve, including base (1), upside fixedly connected with support (2), the upside fixed mounting of support (2) has first cylinder (3) and second cylinder (4), the first slider of output shaft fixedly connected with (5) of first cylinder (3), the output shaft fixedly connected with second slider (6) of second cylinder (4), the downside fixed mounting of base (1) has third cylinder (7) and fourth cylinder (8), the output shaft fixedly connected with third slider (9) of third cylinder (7), the output shaft fixedly connected with fourth slider (10) of fourth cylinder (8).

2. The mold for producing different bends for the positive and negative electrode lugs of the lithium battery as claimed in claim 1, wherein: the first slider (5) and the first slider (6) of all fixedly connected with in one side clamp splice (11) of buckling, the third slider (9) and the equal fixedly connected with second in one side clamp splice (12) of buckling of fourth slider (10), first clamp splice (11) of buckling and second clamp splice (12) setting are in same one side.

3. The mold for producing different bends for the positive and negative electrode lugs of the lithium battery as claimed in claim 1, wherein: the upper side of the base (1) is fixedly connected with a plurality of sliding rods (13), and the first sliding block (5) and the second sliding block (6) are both in sliding connection with the sliding rods (13).

4. The mold for producing different bends for the positive and negative electrode lugs of the lithium battery as claimed in claim 1, wherein: the upper side fixedly connected with stopper (14) of base (1), third slider (9) and fourth slider (10) and stopper (14) sliding connection.

5. The mold for producing different bends for the positive and negative electrode lugs of the lithium battery as claimed in claim 1, wherein: the upper side fixed mounting of support (2) has fifth cylinder (15) and sixth cylinder (16), the output shaft fixedly connected with clamp splice (17) of fifth cylinder (15) and sixth cylinder (16), board (18) are placed to the upside fixedly connected with of base (1).