CN212625699U

CN212625699U - Lamination tool

Info

Publication number: CN212625699U
Application number: CN202021217491.2U
Authority: CN
Inventors: 王宏栋; 孙仲振
Original assignee: Qinxin Group Tianjin New Energy Technology Research Institute Co ltd
Current assignee: Qinxin Group Tianjin New Energy Technology Research Institute Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-02-26
Anticipated expiration: 2030-06-28

Abstract

The utility model relates to a battery technology field specifically relates to a lamination frock. The lamination frock includes lamination frame, anchor clamps, first splint (1) and second splint (3), and the lamination frame has the workstation, places at the workstation in first splint (1) for be used for supporting a plurality of pole pieces and carry out the lamination operation, second splint (3) set up to can place on a plurality of pole pieces and compress tightly a plurality of pole pieces jointly with first splint (1) under the exogenic action on the pole piece, anchor clamps set up to can releasably press from both sides tight first splint (1) and second splint (3), in order to press from both sides tight a plurality of pole pieces through first splint (1) and second splint (3). The utility model provides a lamination frock, this lamination frock compress tightly a plurality of pole pieces through first splint and second splint to press from both sides tight first splint and second splint through the anchor clamps auxiliary clamp, and then pressed from both sides tight a plurality of pole pieces, improved the stability of a plurality of pole pieces under the lamination state, simple structure moreover, low in production cost.

Description

Lamination tool

Technical Field

The utility model relates to a battery technology field specifically relates to a lamination frock.

Background

With the continuous upgrade of electronic products, people have higher and higher requirements on batteries, for example, the requirements on the multiplying power and the capacity of the batteries are increased. To meet the above requirements, the industry has begun to focus on laminated cells. The conventional laminated battery is mainly composed of a pole group, wherein the pole group is formed by laminating a plurality of positive pole pieces and a plurality of negative pole pieces, and adjacent positive pole pieces and adjacent negative pole pieces are separated by a separation film.

At present, in order to initially test the relevant materials of the laminated battery or initially test the production process of the laminated battery, the relevant large-scale equipment on the production line is generally adopted to pre-produce the single laminated battery, so that the production cost is obviously increased, and the process is more complicated.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lamination frock to there is the lamination battery to solve prior art and adopt the relevant main equipment on the production line to produce the costly problem that leads to in advance at development test stage.

In order to achieve the above object, an aspect of the present invention provides a lamination tool, the lamination tool includes a lamination frame, a clamp, a first clamp plate and a second clamp plate, the lamination frame has a workbench, the first clamp plate is placed on the workbench for supporting a plurality of pole pieces to perform lamination operation, the second clamp plate is arranged to be able to be placed in a plurality of pole pieces, and under the action of external force, the first clamp plate and the second clamp plate compress tightly together a plurality of pole pieces, the clamp is arranged to be able to releasably clamp the first clamp plate and the second clamp plate, so as to pass through the first clamp plate and the second clamp plate clamp a plurality of pole pieces.

Optionally, the first splint has a first gap and the second splint has a second gap such that: under the clamping state of the clamp, one end of an insulating pasting piece used for pasting a plurality of pole pieces is accommodated in the first notch and pasted on the pole pieces adjacent to the first clamping plate and extends towards the second clamping plate, and the other end of the insulating pasting piece is accommodated in the second notch and pasted on the pole pieces adjacent to the second clamping plate.

Optionally, the first splint includes a plurality of that the interval set up first breach, the second splint include with a plurality of the first breach one-to-one sets up a plurality of the second breach.

Optionally, lamination frame includes lamination box and ejection mechanism, lamination box is including having open-ended holding tank, the workstation does the groove diapire of holding tank, the groove bottom wall of holding tank has the through-hole on the direction of depth of holding tank, first splint, a plurality of the pole piece with the range upon range of setting of second splint is in the holding tank, and first splint cover is in on the through-hole, ejection mechanism sets up to can be under the exogenic action via the through-hole is worn out the holding tank, in order to support and drive first splint break away from the holding tank.

Optionally, ejection mechanism includes base and ejector pin, the ejector pin sets up to certainly the base outwards extends, the orientation of base the lateral wall of lamination case sets up to with lamination case with the lateral wall adaptation that the tank bottom wall corresponds.

Optionally, the holding tank is the rectangle structure, the holding tank is including being a plurality of that the rectangle is arranged the through-hole, ejection mechanism includes with a plurality of the through-hole one-to-one sets up a plurality of the ejector rod.

Optionally, four corners of the accommodating groove are provided with a rounded corner structure.

Optionally, the ejection rod is movably and adjustably mounted on the base along the length direction of the ejection rod.

Optionally, the clip is provided as a dovetail clip.

Through the technical scheme, the utility model provides a lamination frock, this lamination frock compresses tightly a plurality of pole pieces through first splint and second splint to in maintain the lamination state between a plurality of pole pieces, press from both sides tight first splint and second splint through anchor clamps, further pressed from both sides a plurality of pole pieces, stabilized the lamination state of a plurality of pole pieces after the lamination operation, improved the stability of a plurality of pole pieces under the lamination state, and lamination frock simple structure, low in production cost.

Drawings

Fig. 1 is a schematic structural diagram of a first splint or a second splint provided by the present invention;

fig. 2 is a schematic structural diagram of a lamination box provided by the present invention.

Reference signs

1. A first splint; 2. a first notch; 3. a second splint; 4. a second notch; 5. a lamination box; 6. accommodating grooves; 7. and a through hole.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

The utility model provides a lamination frock, as shown in fig. 1 and 2, the lamination frock includes lamination frame, anchor clamps, first splint 1 and second splint 3, the lamination frame has the workstation, first splint 1 is placed the workstation to be used for supporting a plurality of pole pieces and carry out the lamination operation, second splint 3 sets up to placing a plurality ofly on the pole piece and under the exogenic action with first splint 1 compresses tightly a plurality ofly jointly the pole piece, anchor clamps set up to can releasably press from both sides tightly first splint 1 with second splint 3, in order to pass through first splint 1 and second splint 3 press from both sides tightly a plurality ofly the pole piece.

Through the technical scheme, the utility model provides a lamination frock, this lamination frock compresses tightly a plurality of pole pieces through first splint 1 and second splint 3 to in maintain the lamination state between a plurality of pole pieces, press from both sides tight first splint 1 and second splint 3 through anchor clamps, further pressed from both sides tight a plurality of pole pieces, the lamination state of a plurality of pole pieces after the lamination operation has been stabilized, the stability of a plurality of pole pieces under the lamination state has been improved, and lamination frock simple structure, low in production cost.

Further, the first splint 1 has a first notch 2 and the second splint 3 has a second notch 4 such that: in the clamping state of the clamp, one end of an insulating paste piece for pasting a plurality of pole pieces is accommodated in the first notch 2 and is pasted on the pole piece adjacent to the first clamping plate 1 and extends towards the second clamping plate 3, and the other end of the insulating paste piece is accommodated in the second notch 4 and is pasted on the pole piece adjacent to the second clamping plate 3. Through all setting up the breach structure on first splint 1 and second splint 3, be convenient for fix a plurality of pole pieces between first splint 1 and the second splint 3 through the insulating paste piece when anchor clamps press from both sides tight first splint 1 and second splint 3, and then stabilized the lamination state of a plurality of pole pieces after the lamination operation, improved the stability of a plurality of pole pieces under the lamination state.

As shown in fig. 1, the first clamping plate 1 includes a plurality of first gaps 2 arranged at intervals, and the second clamping plate 3 includes a plurality of second gaps 4 arranged in one-to-one correspondence with the plurality of first gaps 2, so as to fix a plurality of pole pieces simultaneously by a plurality of insulating adhesive members. Wherein, the first splint 1 may be provided in various forms, for example, in a rectangular shape, and the plurality of first notches 2 are also provided at the long side of the first splint 1, respectively, so that it is convenient to apply the short side of the first splint 1 through the clip for clamping the first splint 1 and the second splint 3.

As shown in fig. 2, the lamination stack includes lamination stack 5 and ejection mechanism, lamination stack 5 is including having open-ended holding tank 6, the workstation does the tank bottom wall of holding tank 6, the tank bottom wall of holding tank 6 has through-hole 7 in the direction of depth of holding tank 6, first splint 1, a plurality of the pole piece with the range upon range of setting of second splint 3 is in holding tank 6, and first splint 1 covers on through-hole 7, ejection mechanism sets up to can be under the exogenic action via through-hole 7 wears out holding tank 6 to support and drive first splint 1 breaks away from holding tank 6. Through set up holding tank 6 on lamination box 5 to carry on spacingly to first splint and second splint, can also assist the position of stacking of injecing a plurality of pole pieces in lamination operation process simultaneously, guaranteed that a plurality of pole pieces are more neat with range upon range of ground, optimized the lamination quality of a plurality of pole pieces.

Further, ejection mechanism includes base and ejector pin, the ejector pin sets up to certainly the base outwards extends, the orientation of base the lateral wall of lamination box 5 set up into with lamination box 5 with the lateral wall adaptation that the tank bottom wall corresponds, can take out the overall structure of a plurality of pole pieces safely in the assurance from lamination box 5 under, easy operation is convenient, and the cost is lower. The base may be provided in various forms, for example, a side wall of the base facing the cassette 5 is provided in a planar structure, and the outer side wall of the cassette 5 is correspondingly provided in a planar structure.

As shown in fig. 2, holding tank 6 is the rectangle structure, holding tank 6 is including being a plurality of that the rectangle is arranged through-hole 7, ejection mechanism includes with a plurality of through-hole 7 one-to-one sets up a plurality of ejector rod, the structure is simpler for a plurality of pole pieces can be more balanced under the ejecting effect of ejector rod, the ejector rod of being convenient for more for ejecting a plurality of pole pieces steadily, guaranteed that operating personnel can take out a plurality of pole pieces from lamination box 5 under stable lamination state, optimized the lamination quality of a plurality of pole pieces.

Further, four corners of holding tank 6 set up to fillet structure, avoid a plurality of pole pieces in the lamination in-process because of taking place the friction impaired with holding tank 6's corner, guaranteed the intact of a plurality of pole pieces.

Furthermore, the ejector rod is set to be capable of being movably and adjustably installed on the base along the length direction of the ejector rod, and the ejector rod is more flexible and controllable, so that the using length of the ejector rod can be reasonably adjusted to meet different actual requirements, for example, different groove depths of the lamination box or a plurality of pole pieces with different lamination thicknesses. Wherein, the ejector rod can be set up to the screw rod, and the base can be provided with the screw to the screw rod can the spiro union in the screw.

According to the utility model discloses a specific embodiment, anchor clamps can set up to various forms, for example, anchor clamps set up to the forked tail clamp, and simple easy the getting uses conveniently, and is with low costs.

The utility model provides a specific operation of lamination frock as follows:

first, the first clamping plate 1 is placed into the receiving groove 6 of the cassette 5, wherein the first clamping plate 1 simultaneously covers the plurality of through holes 7 located at the groove bottom of the receiving groove 6.

Then, the plurality of pole pieces are sequentially placed in the receiving groove 6 and stacked and supported on the first clamping plate 1 to complete the lamination operation. Specifically, the plurality of pole pieces may be divided into a plurality of positive pole pieces and a plurality of negative pole pieces, which are alternately laminated on the first clamping plate 1 to perform a lamination operation; in order to ensure the insulativity of the pole pieces in the lamination state, at least one of the positive pole piece and the negative pole piece can be packaged in an insulating bag, so that the safety is improved, and the short circuit phenomenon of a pole group formed by laminating the pole pieces is avoided.

Next, after the lamination operation of the plurality of pole pieces is completed, the second clamping plate 3 is placed on the outermost pole piece of the plurality of pole pieces, and a pressing action toward the first clamping plate 1 is applied to the second clamping plate 3 by an external force (for example, an external force manually applied by an operator) to compact the plurality of pole pieces.

Subsequently, place the lamination box on ejection mechanism for the ejector pin can pass through-hole 7 and penetrate in holding tank 6 and support and drive first splint 1 and remove towards the opening side of holding tank 6 (at this moment, can press the groove outer wall of lamination box for the supplementary first splint 1 moves out of holding tank 6), until first splint 1 breaks away from holding tank 6, then first splint 1, second splint 3 and a plurality of pole piece break away from lamination box 5 under the pushing action of ejector pin.

Finally, the two short sides of the first clamping plate and the second clamping plate are respectively acted by a clamp to clamp the plurality of pole pieces through the first clamping plate and the second clamping plate, and then an insulating adhesive piece (such as an insulating adhesive tape) extends from a first gap of the first clamping plate to a second gap of the second clamping plate along the stacking direction of the plurality of pole pieces to adhere the plurality of pole pieces, so that the plurality of pole pieces are fixed in the clamping state of the clamp, and the lamination quality of the plurality of pole pieces is favorably ensured; and after the lamination is finished, taking down the clamp, the first clamping plate and the second clamping plate to obtain a plurality of pole pieces which are laminated. Of course, in order to optimize the insulating performance of the pole pieces in the lamination state, the pole pieces can be wrapped by the insulating film after the clamp and the clamping plate are taken down.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide a solution of the present invention with a plurality of simple modifications to avoid unnecessary repetition, and the present invention is not described separately for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. The utility model provides a lamination frock, its characterized in that, lamination frock includes lamination frame, anchor clamps, first splint (1) and second splint (3), the lamination frame has the workstation, place in first splint (1) the workstation for be used for supporting a plurality of pole pieces and carry out the lamination operation, second splint (3) set up to can place in a plurality of on the pole piece and under the exogenic action with first splint (1) compress tightly a plurality of jointly the pole piece, anchor clamps set up to can releasably press from both sides tight first splint (1) with second splint (3), in order to pass through first splint (1) and second splint (3) press from both sides tightly a plurality of the pole piece.

2. The lamination tooling according to claim 1, wherein the first clamping plate (1) has a first notch (2) and the second clamping plate (3) has a second notch (4) so that: under the clamping state of the clamp, one end of an insulating paste piece for pasting a plurality of pole pieces is accommodated in the first notch (2) and is pasted on the pole pieces adjacent to the first clamping plate (1) and extends towards the second clamping plate (3), and the other end of the insulating paste piece is accommodated in the second notch (4) and is pasted on the pole pieces adjacent to the second clamping plate (3).

3. The lamination tooling according to claim 2, wherein the first clamping plate (1) comprises a plurality of first notches (2) arranged at intervals, and the second clamping plate (3) comprises a plurality of second notches (4) arranged in one-to-one correspondence with the plurality of first notches (2).

4. The lamination tool according to claim 3, wherein the lamination holder comprises a lamination box (5) and an ejection mechanism, the lamination box (5) comprises a receiving groove (6) with an opening, the working table is a groove bottom wall of the receiving groove (6), the groove bottom wall of the receiving groove (6) is provided with a through hole (7), the first clamping plate (1), the plurality of pole pieces and the second clamping plate (3) are arranged in the receiving groove (6) in a stacked manner in the depth direction of the receiving groove (6), the first clamping plate (1) covers the through hole (7), and the ejection mechanism is arranged to be capable of penetrating out of the receiving groove (6) through the through hole (7) under the action of external force so as to abut against and drive the first clamping plate (1) to be separated from the receiving groove (6).

5. The lamination tool according to claim 4, wherein the ejection mechanism comprises a base and an ejector rod, the ejector rod is arranged to extend outwards from the base, and a side wall of the base facing the lamination cartridge (5) is arranged to fit with an outer side wall of the lamination cartridge (5) corresponding to the bottom wall of the groove.

6. The lamination tool according to claim 5, wherein the accommodating groove (6) is of a rectangular structure, the accommodating groove (6) comprises a plurality of through holes (7) which are arranged in a rectangular shape, and the ejection mechanism comprises a plurality of ejection rods which are arranged in one-to-one correspondence with the through holes (7).

7. A lamination tooling according to claim 6, characterized in that the four corners of the receiving groove (6) are provided with a rounded configuration.

8. The lamination tooling of claim 6, wherein the ejector rod is configured to be movably and adjustably mounted to the base along a length of the ejector rod.

9. A lamination tooling according to any one of claims 1 to 8 wherein the clamp is provided as a dovetail clamp.