CN210701947U - Pole piece punching device for lithium battery production - Google Patents

Abstract

The utility model discloses a die-cut device of pole piece for lithium cell production, including support, blowing platform, ejection of compact platform, die-cut platform and hydraulic press, one side of blowing platform is provided with die-cut platform, the opposite side of die-cut platform is provided with the ejection of compact platform, blowing platform and ejection of compact platform bottom welding have eight the support, blowing platform and ejection of compact platform bottom have conveyor by the bolt fastening, conveyor includes mounting panel, first gag lever post, first lead screw, movable block and motor, the mounting panel is fixed respectively in blowing platform and ejection of compact platform bottom surface, be provided with one between the mounting panel first lead screw, the movable block is installed on the first lead screw, on be provided with two first gag lever posts around the first lead screw, mounting panel one side is provided with the motor, die-cut bench side is provided with die-cut device. Has the advantages that: the position of the cutter can be adjusted, so that various pole pieces can be punched, the conveying process cannot deviate, and the quality of the pole pieces is high.

Description

Pole piece punching device for lithium battery production

technical field

The utility model relates to the technical field of punching devices, in particular to a pole piece punching device for lithium battery production.

Background technique

Lithium battery is a kind of battery that uses lithium metal or lithium alloy as negative electrode material and uses non-aqueous electrolyte solution. The punching of pole pieces for lithium battery production is to cut the prepared large positive and negative pole pieces into small pieces to make it. It is suitable for a process used in the production of lithium battery laminations. Most of the existing pole piece punching devices for lithium battery production are fixed by a tool, and the types of pole pieces punched out are single, and the pole pieces will be offset during the transportation process, resulting in unqualified punching quality.

Utility model content

The utility model provides a technical solution, which can effectively solve the problem that most of the pole piece punching devices for lithium battery production proposed in the above-mentioned background technology are fixed by tools, the types of pole pieces punched out are single, and the pole piece will deviate during the conveying process. , resulting in the problem of unqualified punching quality.

To achieve the above object, the utility model provides the following technical solutions:

A pole piece punching device for lithium battery production includes a bracket, a discharging table, a discharging table, a punching table and a hydraulic press. One side of the discharging table is provided with the punching table, and the other side of the punching table is provided. One side is provided with the discharging table, eight brackets are welded on the bottom of the discharging table and the discharging table, and two conveying devices are fixed by bolts on the discharging table and the bottom of the discharging table , the conveying device includes a mounting plate, a first limit rod, a first lead screw, a movable block and a motor, the mounting plates are respectively fixed on the bottom surface of the discharging table and the discharging table, and the mounting plate is A first lead screw is arranged between the two sides, and the movable block is installed on the first lead screw. Two first limit rods are arranged at the front and rear of the first lead screw, and one side of the mounting plate is arranged on one side. There is the motor, and a punching device is arranged above the punching table. The punching device includes a pressure plate, a punching bracket, a hydraulic rod, a punching installation plate, a spring, a second limit rod, a second lead screw, a first Three movable rods, knives, adjustment knobs and knife mounting plates, the punching bracket is fixed on the bracket, the hydraulic press is arranged on the top of the punching bracket, and the hydraulic rod is connected to the bottom of the hydraulic press. The lower end of the hydraulic press is bolted with the punching installation plate, the second lead screw is installed below the punching installation plate, the tool installation plate is installed on the second lead screw, and the second lead screw is provided with front and rear Two of the second limit rods, one side of the second lead screw is connected with the adjustment knob, and four of the third movable rods are arranged under the stamping mounting plate, and the third movable rods are connected with each other. The spring is installed between the stamping mounting plates, the lower end of the third movable rod is welded to the pressing plate, and the cutter is mounted on the cutter mounting plate by means of bolts.

Preferably, the discharging table and the discharging table have the same structure, and both the discharging table and the discharging table are concave tables with two rectangular grooves at the bottom.

Preferably, the second lead screw penetrates through the tool mounting plate, and the tool mounting plate is provided with a thread engaged with the second lead screw.

Preferably, the movable block is provided with two trapezoidal protrusions.

Preferably, the first lead screw penetrates through the movable block, and the movable block is provided with a thread engaged with the first lead screw.

Compared with the prior art, the beneficial effects of the present utility model: the utility model has a scientific and reasonable structure, and is safe and convenient to use:

1. The discharge table and the discharge table are set as concave tables, with baffles on both sides, and the coordination of the conveying device can avoid the offset during the pole piece conveying process and ensure the quality of the punched pole piece;

2. A pressure plate is provided to keep the force of the pole piece flat and ensure the punching quality of the pole piece;

3. Set the adjustment knob and the second lead screw, so that the punching tool can be adjusted accurately, and the punching of various pole pieces can be completed.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the front view of the present utility model;

Fig. 3 is the three-dimensional structure schematic diagram of the punching device of the present invention;

Fig. 4 is the structural representation of the punching device of the present utility model;

Fig. 5 is the structural representation of the stamping mounting plate of the present invention;

FIG. 6 is a schematic structural diagram of the conveying device of the present invention.

Labels in the figure: 1, bracket; 2, discharge table; 3, discharge table; 4, conveying device; 401, mounting plate; 402, first limit rod; 403, first lead screw; 404, movable block; 405, motor; 5, punching device; 501, pressure plate; 502 punching bracket; 503, hydraulic rod; 504, punching mounting plate; 505, spring; 506, second limit rod; 507, second lead screw; 508 , The third movable rod; 509, the cutter; 5010, the adjustment knob; 5011, the cutter mounting plate; 6, the punching table; 7, the hydraulic press.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example: As shown in Figures 1-6, the utility model provides a technical solution, a pole piece punching device for lithium battery production, including a bracket 1, a discharging table 2, a discharging table 3, a punching table 6 and a hydraulic press 7. One side of the discharging table 2 is provided with a punching table 6, and the other side of the punching table 6 is provided with a discharging table 3. Eight brackets 1 are welded at the bottom of the discharging table 2 and the discharging table 3. The structure of the table 2 and the discharge table 3 is the same. The discharge table 2 and the discharge table 3 are both concave tables to ensure that the pole piece will not be offset during the conveying process. The bottom of the discharge table 2 and the discharge table 3 are fixed by bolts There are two conveying devices 4. The conveying device 4 includes a mounting plate 401, a first limit rod 402, a first lead screw 403, a movable block 404 and a motor 405. The mounting plate 401 is respectively fixed on the discharge table 2 and the discharge table 3 On the bottom surface, a first lead screw 403 is arranged between the mounting plates 401, the movable block 404 is mounted on the first lead screw 403, and two first limit rods 402 are arranged in front of and behind the first lead screw 403. The first limit rod 402 ensures that the movable block 404 will not shift during the movement process. A motor 405 is arranged on one side of the mounting plate 401, and a punching device 5 is arranged above the punching table 6. The punching device 5 includes a pressing plate 501, a punching bracket 502, and a hydraulic rod. 503, punching mounting plate 504, spring 505, second limit rod 506, second lead screw 507, third movable rod 508, cutter 509, adjusting knob 5010 and cutter mounting plate 5011, punching bracket 502 is fixed on bracket 1 , the top of the punching bracket 502 is provided with a hydraulic press 7, a hydraulic rod 503 is connected below the hydraulic press 7, a punching mounting plate 504 is bolted at the lower end of the hydraulic press 7, a second lead screw 507 is installed under the punching mounting plate 504, and the tool mounting plate 5011 is installed on the On the second lead screw 507, in order to ensure that the tool 509 will not be skewed during adjustment, two second limit rods 506 are arranged at the front and rear of the second lead screw 507, and an adjustment knob 5010 is connected to one side of the second lead screw 507. There are four third movable rods 508 under the plate 504, a spring 505 is installed between the third movable rod 508 and the stamping mounting plate 504, the lower end of the third movable rod 508 is welded with a pressing plate 501, and the pressing plate 501 makes the pole piece flat, and the punching quality is High, the cutter 509 is bolted to the cutter mounting plate 5011.

Preferably, the second lead screw 507 penetrates the tool mounting plate 5011, and the tool mounting plate 5011 is provided with a thread that engages with the second lead screw 507; the movable block 404 is provided with two trapezoidal protrusions; the first lead screw 403 runs through the movable In the block 404 , the movable block 404 is provided with a thread engaged with the first lead screw 403 .

The working principle and use process of the utility model: the lithium battery pole piece is put into the discharge table 2, transported to the punching table 6 by the conveying device 4, the hydraulic press 7 works to push the hydraulic rod 503 to move down, and the punching under the hydraulic rod 503 With the downward movement of the mounting plate 504, the tool 509 mounted on the tool mounting plate 5011 also punches the pole piece pressed by the pressing plate 501 downward. After taking out the discharging table 3, adjusting the adjusting knob 5010 to change the position of the cutter 509 can punch other pole pieces.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Finally, it should be noted that the above is only a preferred example of the present utility model, and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (5)

1. A pole piece punching device for lithium battery production, comprising a bracket (1), a discharging table (2), a discharging table (3), a punching table (6) and a hydraulic press (7), characterized in that: the described One side of the discharging table (2) is provided with the punching table (6), the other side of the punching table (6) is provided with the discharging table (3), and the discharging table (2) ) and the bottom of the discharging table (3) are welded with eight said brackets (1), and two conveying devices (4) are fixed by bolts at the bottom of the discharging table (2) and the discharging table (3). ), the conveying device (4) includes a mounting plate (401), a first limit rod (402), a first lead screw (403), a movable block (404) and a motor (405). The mounting plate (401) ) are respectively fixed on the bottom surfaces of the discharging table (2) and the discharging table (3), a first lead screw (403) is arranged between the mounting plates (401), and the movable block ( 404) is mounted on the first lead screw (403), the first lead screw (403) is provided with two first limit rods (402) at the front and rear, and one side of the mounting plate (401) is provided The motor (405) is provided, and a punching device (5) is arranged above the punching table (6), and the punching device (5) includes a pressing plate (501), a punching bracket (502), a hydraulic rod ( 503), stamping mounting plate (504), spring (505), second limit rod (506), second lead screw (507), third movable rod (508), cutter (509), adjustment knob (5010) and a tool mounting plate (5011), the punching bracket (502) is fixed on the bracket (1), the hydraulic press (7) is provided on the top of the punching bracket (502), and the hydraulic press (7) The hydraulic rod (503) is connected below, the press mounting plate (504) is fixed with bolts at the lower end of the hydraulic press (7), and the second lead screw (507) is mounted under the press mounting plate (504). , the cutter mounting plate (5011) is mounted on the second lead screw (507), and the second lead screw (507) is provided with two second limit rods (506) at the front and back, and the second lead screw (507) The adjusting knob (5010) is connected to one side of the two lead screws (507), and four third movable rods (508) are arranged under the stamping mounting plate (504). The third movable rods (508) ) and the stamping mounting plate (504), the spring (505) is installed, the lower end of the third movable rod (508) is welded to the pressing plate (501), and the cutter (509) is mounted on the on the cutter mounting plate (5011). 2. The pole piece punching device for lithium battery production according to claim 1, characterized in that: the discharging table (2) and the discharging table (3) have the same structure, and the discharging table (2) Both the discharging table (3) and the discharging table (3) are concave tables, and two rectangular grooves are opened at the bottom. 3. The pole piece punching device for lithium battery production according to claim 1, characterized in that: the second lead screw (507) penetrates the tool mounting plate (5011), and inside the tool mounting plate (5011) There are threads engaged with the second lead screw (507). 4. The pole piece punching device for lithium battery production according to claim 1, wherein two trapezoidal protrusions are provided on the movable block (404). 5. The pole piece punching device for lithium battery production according to claim 1, characterized in that: the first lead screw (403) penetrates the movable block (404), and the movable block (404) is opened with a A thread that engages with the first lead screw (403).

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