Laser cutting diaphragm clamp for L-shaped battery

Abstract

The utility model discloses an L-shaped battery laser cutting diaphragm clamp which comprises a bottom plate and a bottom die matched with the bottom plate, a mounting groove matched with an L-shaped battery is formed in the bottom die, a plurality of first fastening mechanisms are arranged on the upper surface, located on the peripheral side of the mounting groove, of the bottom die, and a top die is arranged on the upper side of the bottom die. A plurality of first fastening mechanisms are arranged on the upper surface of the top die, a plurality of second fastening mechanisms matched with the first fastening mechanisms are arranged on the lower surface of the top die, a bottom die L-shaped cutting groove matched with the edge of a first cutting material of the diaphragm and a bottom die inclined cutting groove matched with the edge of a second cutting material of the diaphragm are formed in the mounting groove, and a top die L-shaped cutting groove is formed in the position, corresponding to the bottom die L-shaped cutting groove, of the top die; a top die inclined cutting groove is formed in the position, corresponding to the bottom die inclined cutting groove, of the top die. According to the utility model, through the cooperation of the bottom plate, the bottom die and the top die, the L-shaped battery is limited in the mounting groove, and laser passes through the cutting groove with a preset shape to cut redundant diaphragms, so that the cutting yield is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to battery clamp technical field, concretely relates to a kind of L type battery laser cutting membrane clamp. BACKGROUND

[0002] In the preparation process of lithium ion battery, the preparation and placement of the separator is one of the keys of lithium ion battery development and production, and the separator is one of the key inner components in the structure of lithium battery. The performance of the separator determines the interface structure, internal resistance, etc. of the battery, directly affecting the capacity, cycle and safety performance, etc. of the battery. A separator with excellent performance plays an important role in improving the overall performance of the battery. The main function of the separator is to separate the positive and negative electrodes of the battery to prevent short circuit caused by contact between the two electrodes. In addition, it also has the function of allowing electrolyte ions to pass through. The separator material is not conductive, and its physical and chemical properties have a great influence on the performance of the battery.

[0003] At the same time, the separator has the characteristics of smoothness, softness and easy folding, so it is difficult to control its position during cutting, and therefore there may be cases of cutting damage or cutting at an angle. Therefore, a clamp that is easy to install and remove is needed to limit and protect the separator during cutting. If the clamp is not reasonable, there may be dust, burning, bumps, particles and other undesirable phenomena during cutting, which can cause waste of the separator. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide an L type battery laser cutting membrane clamp, which is novel and reasonable in design. The L type battery is limited in the installation groove by the cooperation of the bottom plate, the bottom die and the top die. The laser passes through the pre-shaped cutting groove to cut the excess separator, improving the cutting yield and facilitating popularization and use.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of an L type battery laser cutting membrane clamp, characterized by comprising a bottom plate, a bottom die cooperating with the bottom plate, an installation groove adapted to the L type battery being formed in the bottom die, a plurality of first fastening mechanisms being arranged on the upper surface of the bottom die at the side of the installation groove, a top die being arranged on the upper side of the bottom die, a plurality of second fastening mechanisms being arranged on the lower surface of the top die and being adapted to the first fastening mechanisms, a bottom die L shaped cutting groove being formed in the installation groove and being adapted to the first cutting edge of the separator, and a bottom die oblique cutting groove being formed in the installation groove and being adapted to the second cutting edge of the separator. A top die L shaped cutting groove is arranged on the top die at a position corresponding to the bottom die L shaped cutting groove, and a top die oblique cutting groove is arranged on the top die at a position corresponding to the bottom die oblique cutting groove.

[0006] The L type battery laser cutting membrane clamp described above is characterized in that a plurality of limiting grooves adapted to the bottom die are formed in the bottom plate, the number of limiting grooves is equal to the number of bottom dies and each bottom die corresponds to one limiting groove.

[0007] The above-mentioned L-shaped battery laser cutting separator fixture is characterized in that: the edge contour shape and size of the limiting groove are consistent with the outer contour shape and size of the bottom mold, and a side groove for quickly removing the L-shaped battery is opened at the upper edge of the bottom mold.

[0008] The L-shaped battery laser cutting separator fixture described above is characterized in that: the first fastening mechanism and the second fastening mechanism are compatible clamping concave and convex fasteners.

[0009] The L-shaped battery laser cutting separator fixture described above is characterized in that: the first fastening mechanism is a magnet block, and the second fastening mechanism is an iron plate adapted to the magnet block.

[0010] The L-shaped battery laser cutting separator fixture described above is characterized in that: a through hole is provided in the limiting groove, and the through hole is connected to the cutting groove, which facilitates the laser to penetrate the cutting groove to separate the separator and reduce damage to the base plate and template.

[0011] The beneficial effects of this utility model are that it has a novel and reasonable design. Through the cooperation of the base plate, bottom mold and top mold, the L-shaped battery is limited in the mounting groove. The laser passes through the pre-shaped cutting groove to cut the excess diaphragm, which improves the cutting yield. The bottom mold and the base plate, as well as the L-shaped battery and the bottom mold, are all limited by the matching groove, which is stable and reliable. The top mold and the bottom mold are connected by the matching fastening structure, which is easy to install and remove, and is convenient for promotion and use.

[0012] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0013] Fig. 1 This is a schematic diagram of the structure of this utility model.

[0014] Fig. 2 This is a schematic diagram showing the installation relationship between the base plate, the bottom mold, and the L-shaped battery of this utility model.

[0015] Fig. 3 This is a schematic diagram of the structure of the L-shaped battery of this utility model without the cut separator.

[0016] Fig. 4 This is a schematic diagram of the structure of the L-shaped battery after the separator has been cut.

[0017] Explanation of reference numerals in the attached figures:

[0018] 1—Base plate; 2—Limiting groove; 3—Through hole;

[0019] 4—Bottom mold; 5—Mounting groove; 6—First fastening mechanism;

[0020] 7—L-shaped cutting groove for bottom mold; 8—Angled cutting groove for bottom mold; 9—Side groove;

[0021] 10—L-type battery; 11—First cut material for separator; 12—Second cut material for separator;

[0022] 13—Top mold; 14—L-shaped cutting groove of top mold; 15—Angled cutting groove of top mold. Detailed Implementation

[0023] like Figs. 1 to 4 As shown, this utility model includes a plate 1 and a bottom mold 4 that cooperates with the bottom plate 1. The bottom mold 4 has an installation groove 5 adapted to the L-shaped battery 10. Multiple first fastening mechanisms 6 are provided on the upper surface of the bottom mold 4 located around the installation groove 5. A top mold 13 is provided on the upper side of the bottom mold 4. Multiple second fastening mechanisms adapted to the multiple first fastening mechanisms 6 are provided on the lower surface of the top mold 13. The installation groove 5 has a bottom mold L-shaped cutting groove 7 adapted to the edge of the first cutting material 11 of the separator and a bottom mold oblique cutting groove 8 adapted to the edge of the second cutting material 12 of the separator. A top mold L-shaped cutting groove 14 is provided on the top mold 13 at the position corresponding to the bottom mold L-shaped cutting groove 7. A top mold oblique cutting groove 15 is provided on the top mold 13 at the position corresponding to the bottom mold oblique cutting groove 8.

[0024] It should be noted that, through the cooperation of the base plate 1, the bottom mold 4 and the top mold 13, the L-shaped battery 10 is limited in the mounting groove 5. The laser passes through the pre-shaped cutting groove to cut the excess diaphragm, which improves the cutting yield. The bottom mold 4 and the base plate 1, as well as the L-shaped battery 10 and the bottom mold 4, are all limited by the matching groove, which is stable and reliable. The top mold 13 and the bottom mold 4 are connected by the matching fastening structure, which is easy to install and remove.

[0025] In this embodiment, the base plate 1 is provided with a limiting groove 2 that is adapted to the bottom mold 4. There are multiple limiting grooves 2, and the number of bottom molds 4 is equal to the number of limiting grooves 2 and corresponds one-to-one.

[0026] In actual use, multiple L-shaped batteries 10 can be installed simultaneously in one base plate 1, saving space and improving cutting efficiency.

[0027] In this embodiment, the edge contour shape and size of the limiting groove 2 are consistent with the outer contour shape and size of the bottom mold 4, and the upper edge of the bottom mold 4 is provided with a side groove 9 for quickly removing the L-shaped battery 10.

[0028] It should be noted that the bottom mold 4 and the bottom plate 1 are stably and reliably positioned by the matching slot. The upper edge of the bottom mold 4 is provided with a side groove 9 for quickly removing the L-shaped battery 10, which makes it easy to move the L-shaped battery 10 from here and quickly remove the L-shaped battery 10.

[0029] In this embodiment, the first fastening mechanism 6 and the second fastening mechanism are matching snap-fit ​​fasteners.

[0030] In the embodiment, the first fastening mechanism 6 is a magnet block, and the second fastening mechanism is an iron plate matched with the magnet block.

[0031] It should be noted that the first fastening mechanism 6 and the second fastening mechanism can be positioned by mutually clamping concave-convex structures, or can be positioned by mutually magnetic attraction structures.

[0032] In the embodiment, the limiting groove 2 is provided with a through hole 3, and the through hole 3 is communicated with the cutting groove, so that the laser can penetrate the cutting groove to separate the diaphragm and reduce damage to the bottom plate and the template.

[0033] In use, the bottom plate 1 with a rectangular structure is installed on a laser cutting table, a plurality of bottom dies 4 matched with the plurality of limiting grooves 2 in the bottom plate 1 are placed, an L-shaped battery without a cut diaphragm is installed in each bottom die 4, then an integrated top die 13 is covered on the plurality of bottom dies 4, the bottom die 4 is provided with an installation groove 5 matched with the L-shaped battery 10, the installation groove 5 is provided with a bottom die L-shaped cutting groove 7 matched with the edge of the first cutting material 11 of the diaphragm and a bottom die oblique cutting groove 8 matched with the edge of the second cutting material 12 of the diaphragm, the top die 13 is provided with a top die L-shaped cutting groove 14 at a position corresponding to the bottom die L-shaped cutting groove 7, and is provided with a top die oblique cutting groove 15 at a position corresponding to the bottom die oblique cutting groove 8, after installation, the laser cutting table with the L-shaped battery without the cut diaphragm is pushed into a laser working position, the laser cutting head is used to cut the excess diaphragm, after cutting is completed, the laser cutting table is pulled out, the top die 13 is removed, the L-shaped battery with the cut diaphragm is buckled out, and the diaphragm cutting waste is collected, so that the cutting yield is improved.

[0034] The above is only a preferred embodiment of the utility model, and does not limit the utility model, any simple modification, change and equivalent structure change according to the technical essence of the utility model are still within the protection scope of the utility model technical scheme.

Claims

1. An L-shaped battery laser slitting film clamp, characterized in that: The application relates to a L-shaped battery cutting device, which comprises a bottom plate (1), a bottom die (4) matched with the bottom plate (1), an installation groove (5) matched with an L-shaped battery (10) arranged in the bottom die (4), a plurality of first fastening mechanisms (6) arranged on the upper surface of the bottom die (4) at the side of the installation groove (5), a top die (13) arranged on the upper side of the bottom die (4), a plurality of second fastening mechanisms matched with the first fastening mechanisms (6) arranged on the lower surface of the top die (13), a bottom die L-shaped cutting groove (7) matched with the edge of a diaphragm first cutting material (11) arranged in the installation groove (5), a bottom die oblique cutting groove (8) matched with the edge of a diaphragm second cutting material (12) arranged in the installation groove (5), a top die L-shaped cutting groove (14) arranged on the top die (13) at the position corresponding to the bottom die L-shaped cutting groove (7), and a top die oblique cutting groove (15) arranged on the top die (13) at the position corresponding to the bottom die oblique cutting groove (8).

2. The L-shaped battery laser dicing film clamp according to claim 1, wherein: A plurality of limiting grooves (2) matched with the bottom die (4) are arranged on the bottom plate (1), the number of the bottom dies (4) is equal to that of the limiting grooves (2) and the bottom dies (4) are in one-to-one correspondence with the limiting grooves (2).

3. The L-shaped battery laser dicing film clamp according to claim 2, wherein: The edge contour shape and size of the limiting grooves (2) are consistent with the outer contour shape and size of the bottom dies (4), and an edge groove (9) for quickly taking out the L-shaped battery (10) is arranged at the upper edge position of the bottom die (4).

4. The L-shaped battery laser dicing film clamp according to claim 1, wherein: The first fastening mechanism (6) and the second fastening mechanism are matched clamping concave-convex.

5. The L-shaped battery laser dicing film clamp according to claim 1, wherein: The first fastening mechanism (6) is a magnet block, and the second fastening mechanism is an iron plate matched with the magnet block.

6. The L-shaped battery laser dicing film clamp according to claim 2, wherein: A through hole (3) is arranged in the limiting groove (2), the through hole (3) is communicated with the cutting groove, laser penetration cutting groove is facilitated to separate the diaphragm, and damage to the bottom plate and the die plate is reduced.

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