Square lithium iron phosphate battery shaping clamp

Abstract

The utility model discloses a square lithium iron phosphate battery shaping clamp which comprises a concave first box body and a concave second box body, hinges are arranged at the bottom of the first box body and the bottom of the second box body, a telescopic hole is formed in one side of the second box body, a telescopic rod matched with the telescopic hole is arranged on one side of the first box body, the telescopic rod is fixedly connected with the second box body, and the second box body is fixedly connected with the first box body. A limiting block is fixedly connected to the end of the telescopic rod, an expansion box body is arranged between the first box body and the second box body, a lock catch is arranged at the opening and closing position of the first box body and the second box body, and a groove matched with the telescopic rod is formed in one side of the expansion box body. The battery shaping clamp has the advantages that the overall length of the shaping clamp is increased, so that the shaping clamp can be suitable for shaping batteries with different lengths, redundant electrolyte in the batteries can be effectively discharged through the liquid injection hole, the subsequent use of the batteries is ensured, a space is reserved for the subsequent use of the batteries, the bulging phenomenon of the batteries after being used for a period of time is prevented, and the service life of the batteries is prolonged. And the normal use of the battery is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium iron phosphate battery production auxiliary equipment, and specifically relates to a square lithium iron phosphate battery shaping fixture. Background Art

[0002] Lithium iron phosphate batteries have the advantages of high operating voltage, high energy density, long cycle life, good safety performance, low self-discharge rate and no memory effect. Lithium iron phosphate batteries have great advantages as new energy power generation and energy storage systems. However, in the battery manufacturing process, when achieving various process performances of the battery, in order to obtain a flat appearance of the battery and eliminate the slight swelling of the battery in various processes, it is necessary to clamp the battery with a shaping fixture when sealing and welding the injection hole to discharge excess electrolyte and reshape the battery. The existing shaping fixture has a fixed size and can only be used to clamp batteries of a single size. It is not effective in removing excess electrolyte. The battery will swell slightly after a period of use, resulting in bulges, which will affect the normal use of the battery over time. Utility Model Content

[0003] The utility model aims to provide a square lithium iron phosphate battery shaping fixture to solve the problems in the prior art that the lithium iron phosphate battery shaping fixture has a fixed size, cannot be applied to the clamping of batteries of different specifications, and has a poor drainage effect before the sealing welding of the injection hole.

[0004] To achieve the above-mentioned purpose, the technical solution of the utility model is: a square lithium iron phosphate battery shaping fixture, comprising a first box body 1 and a second box body 2 in the shape of a "concave" character, a hinge 3 is provided at the bottom of the first box body 1 and the second box body 2, a telescopic hole 4 is provided on one side of the second box body 2, a telescopic rod 5 adapted to the telescopic hole 4 is provided on one side of the first box body 1, the telescopic rod 5 is fixedly connected to the second box body 2, the end of the telescopic rod 5 is fixedly connected to a limiting block 6, an extension box body 7 is provided between the first box body 1 and the second box body 2, a lock buckle 8 is provided at the opening and closing of the first box body 1 and the second box body 2, and a groove 9 adapted to the telescopic rod 5 is provided on one side of the extension box body 7.

[0005] Preferably, four corners of the recesses of the first box body 1 and the second box body 2 are provided with slide grooves 10 , and trimming plates 11 are provided in the slide grooves 10 .

[0006] Preferably, an arc-shaped protrusion 12 is provided on one side of the trimming plate 11, and the height of the arc-shaped protrusion 12 is 2 mm-5 mm.

[0007] Preferably, the height of the shaping plate 11 is greater than the height of the inner walls of the first box body 1 and the second box body 2 .

[0008] Preferably, a magnet 13 is fixedly connected to the inner wall of the groove 9 of the expansion box body 7 .

[0009] Preferably, a groove handle 14 is provided on one side of the panel of the first box body 1 and the second box body 2 .

[0010] Preferably, a bump 15 is provided on the top of the first box body 1 and the second box body 2 .

[0011] Preferably, a groove handle 14 adapted to the first box body 1 and the second box body 2 is provided on one side of the panel of the extension box body 7 , and a convex block 15 adapted to the first box body 1 and the second box body 2 is provided on the top of the extension box body 7 .

[0012] The advantages of the utility model are:

[0013] 1. The first box body and the second box body are connected by a telescopic rod, which can effectively increase the length of the shaping fixture. An extension box body is added between the first combined body and the second box body. The groove on one side of the extension box body is adapted to the telescopic rod and is adsorbed on the telescopic rod through a magnet. The first box body and the second box body form a whole, which lengthens the overall length of the shaping fixture and makes it suitable for shaping batteries of different lengths.

[0014] 2. After the battery is placed in the shaping fixture, the battery is held in the fixture by the lock buckle, which can effectively discharge the excess electrolyte in the battery through the injection hole to ensure the subsequent use of the battery;

[0015] 3. The protrusion of the shaping plate and the shaping fixture can press a slight depression on the surface of the battery, reserving space for the subsequent use of the battery, preventing the battery from bulging after a period of use, and ensuring the normal use of the battery;

[0016] 4. The groove handle and the convex block are combined to facilitate the operation of the staff. Four fingers can be inserted into the groove handle and the thumb is buckled on the convex block to facilitate the opening and closing of the shaping fixture. The operation is more convenient and the work efficiency of battery shaping is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a cross-sectional structural schematic diagram of the utility model.

[0019] Figure 3 It is a schematic diagram of the structure of the expansion box body cooperating with the first box body and the second box body of the utility model.

[0020] Figure 4 It is a side structural schematic diagram of the expansion box body of the utility model.

[0021] Figure 5 It is a schematic diagram of the top structure of the utility model.

[0022] Figure 6 It is a structural schematic diagram of the shaping plate of the utility model.

[0023] The meanings of the reference numerals are as follows: first box body (1), second box body (2), hinge (3), telescopic hole (4), telescopic rod (5), limit block (6), extension box body (7), lock buckle (8), groove (9), slide groove (10), shaping plate (11), protrusion (12), magnet (13), groove handle (14), and protrusion (15). DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0025] like Figures 1 to 6 A square lithium iron phosphate battery shaping fixture is shown, comprising a first "concave" shaped box body 1 and a second box body 2, the two adjacent "concave" shaped boxes form the main body of the shaping fixture, the concave parts of the first box body 1 and the second box body 2 are adapted to the shape of the battery to be shaped, and the battery is just clamped in the middle of the fixture, the bottom of the first box body 1 and the second box body 2 are provided with a hinge 3, one side of the second box body 2 is provided with a telescopic hole 4, one side of the first box body 1 is provided with a telescopic rod 5 adapted to the telescopic hole 4, and the telescopic rod 5 and the second box body 2 are connected. The first box body 1 and the second box body 2 are fixedly connected, the end of the telescopic rod 5 is fixedly connected to the limiting block 6, an extension box body 7 is provided between the first box body 1 and the second box body 2, a lock buckle 8 is provided at the opening and closing of the first box body 1 and the second box body 2, and a groove 9 adapted to the telescopic rod 5 is provided on one side of the extension box body 7. The first box body 1 and the second box body 2 are connected by the telescopic rod 5, and the extension box body 7 can be buckled between the first box body 1 and the second box body 2, thereby increasing the overall length of the first box body 1 and the second box body 2 to be suitable for battery shaping of different sizes.

[0026] In order to facilitate pressing a slight depression on the surface of the battery and effectively remove excess electrolyte to prevent the battery from bulging after a period of use, slide grooves 10 are provided at the four corners of the recessed parts of the first box body 1 and the second box body 2. A shaping plate 11 is provided in the slide groove 10. An arc-shaped protrusion 12 is provided on one side of the shaping plate 11. The arc-shaped protrusion 12 is pressed on the surface of the battery to press out a slight depression while shaping, which is convenient for the subsequent use of the battery. The height of the arc-shaped protrusion 12 is 2mm-5mm. According to the battery performance requirements, a shaping plate 11 with arc-shaped protrusions 12 of different heights is used. The height of the shaping plate 11 is greater than the inner wall height of the first box body 1 and the second box body 2, which is convenient for the staff to install and disassemble.

[0027] In order to make the expansion box body 7 fit tightly with the telescopic rod 5 of the first box body 1, a magnet 13 is fixedly connected to the inner wall of the groove 9 of the expansion box body 7. The telescopic rod 5 is made of metal material. The expansion box body 7 is adsorbed on the telescopic rod 5 through the magnet 13, and the two sides are clamped by the first box body 1 and the second box body 2, which is convenient for shaping and clamping the battery.

[0028] In order to facilitate the operation of the staff and to open and close the battery shaping fixture more conveniently, a groove handle 14 is provided on one side of the panel of the first box body 1 and the second box body 2, and a protrusion 15 is provided on the top of the first box body 1 and the second box body 2. A groove handle 14 adapted to the first box body 1 and the second box body 2 is provided on one side of the panel of the extended box body 7, and a protrusion 15 adapted to the first box body 1 and the second box body 2 is provided on the top of the extended box body 7.

[0029] The working process of the utility model is as follows: first, according to the battery that needs to be shaped and drained, the staff adjusts the length of the shaping fixture, increases the length of the shaping fixture by moving the first box body 1 and the second box body 2, and selects the corresponding extension box body 7, which is adsorbed on the telescopic rod 5 by the magnet 13, and the extension box body 7 is clamped between the first box body 1 and the second box body 2; secondly, the lock buckle 8 is opened, the staff buckles the four fingers in the groove handle 14, and the thumb buckles on the protrusion 15, so that the first box body 1 and the second box body 2 connected by the hinge 3 can be quickly opened; thirdly, the shaping plate 1 is moved to the bottom of the box body 1, and the second box body 2 is moved to the bottom of the box body 1; 1 is inserted into the slide groove 10, and then the battery to be trimmed and drained is placed in the cavity formed by the first box body 1 and the second box body 2, and then the first box body 1 and the second box body 2 are closed, and the lock buckle 8 is buckled; finally, the trimming fixture is placed flat on the workbench, and one side of the first box body 1 and the second box body 2 is pressed by external force, which can effectively discharge the excess electrolyte in the battery and press a slight depression on the battery to reserve space for subsequent use of the battery, prevent the battery from bulging after being used for a period of time, and ensure the normal use of the battery. After the operation is completed, the trimming and draining work of the next battery can be carried out.

[0030] The above-described embodiments are only preferred examples of the present invention, and the technical solutions of the present invention are not limited thereto. It should be pointed out that for ordinary technicians in this field, under the technical enlightenment provided by the present invention, as common knowledge in the field, other equivalent deformations and improvements can be made, which should also be regarded as the protection scope of the present invention.

Claims

1. A square lithium iron phosphate battery shaping fixture, comprising a first box body (1) and a second box body (2) in a "concave" shape, wherein hinges (3) are provided at the bottom of the first box body (1) and the second box body (2), and characterized in that: A telescopic hole (4) is provided on one side of the second box body (2); a telescopic rod (5) matched with the telescopic hole (4) is provided on one side of the first box body (1); the telescopic rod (5) is fixedly connected to the second box body (2); an end of the telescopic rod (5) is fixedly connected to a limit block (6); an expansion box body (7) is provided between the first box body (1) and the second box body (2); a lock buckle (8) is provided at the opening and closing portion of the first box body (1) and the second box body (2); and a groove (9) matched with the telescopic rod (5) is provided on one side of the expansion box body (7).

2. A square lithium iron phosphate battery shaping fixture as claimed in claim 1, characterized in that: Slide grooves (10) are provided at the four corners of the recessed portions of the first box body (1) and the second box body (2), and trimming plates (11) are provided in the slide grooves (10).

3. A square lithium iron phosphate battery shaping fixture as claimed in claim 2, characterized in that: An arc-shaped protrusion (12) is provided on one side of the trimming plate (11), and the height of the arc-shaped protrusion (12) is 2 mm-5 mm.

4. A square lithium iron phosphate battery shaping fixture as claimed in claim 3, characterized in that: The height of the shaping plate (11) is greater than the height of the inner walls of the first box body (1) and the second box body (2).

5. A square lithium iron phosphate battery shaping fixture as claimed in claim 4, characterized in that: A magnet (13) is fixedly connected to the inner wall of the groove (9) of the expansion box body (7).

6. A square lithium iron phosphate battery shaping fixture as claimed in claim 5, characterized in that: A groove handle (14) is provided on one side of the panel of the first box body (1) and the second box body (2).

7. A square lithium iron phosphate battery shaping fixture as claimed in claim 6, characterized in that: The tops of the first box body (1) and the second box body (2) are provided with protrusions (15).

8. A square lithium iron phosphate battery shaping fixture as claimed in claim 7, characterized in that: A groove handle (14) adapted to match the first box body (1) and the second box body (2) is provided on one side of the panel of the expansion box body (7), and a convex block (15) adapted to match the first box body (1) and the second box body (2) is provided on the top of the expansion box body (7).

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