CN217529384U

CN217529384U - Tool that polymer electricity core utmost point ear cut

Info

Publication number: CN217529384U
Application number: CN202221184783.XU
Authority: CN
Inventors: 李敬
Original assignee: Scud Energy Technology Co ltd
Current assignee: Scud Energy Technology Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-10-04
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a tool for cutting a polar ear of a polymer battery cell, which comprises a battery cell fixing mechanism, a polar ear cutting mechanism arranged on one side of the battery cell fixing mechanism and a recovery mechanism arranged below the polar ear cutting mechanism; the battery cell fixing mechanism is horizontally arranged on the rack; the tab cutting mechanism comprises at least one cutting part arranged opposite to the tab; the cutting part is sequentially provided with a lifting part, a guide part, a cutting knife and a cutting base from top to bottom; the knife edge of the cutting knife is an inclined plane; the cutting knife is connected with the cutting base in a sliding manner; the lifting component drives the cutting knife to reciprocate in the vertical direction through the guide component to cut the electrode lugs and recovers and cuts waste materials through a recovery mechanism arranged below the cutting knife. When the lug is cut, the cutting knife and the cutting base are embedded, so that the deviation of the knife due to stress is prevented. The cutting plane of the cutting knife is an inclined plane, and the cutting knife is always in point contact with the battery cell lug during cutting, so that burrs cannot be generated.

Description

Tool that polymer electricity core utmost point ear cut

Technical Field

The utility model relates to a lithium cell technical field especially involves a tool that polymer electricity core utmost point ear cut.

Background

With the vigorous demand of power batteries in China, the battery cores are diversified. The lithium battery core mainly comprises three types, namely a steel shell cylindrical battery core, a square aluminum shell battery core and a polymer soft package battery core according to external packing, wherein the polymer soft package battery core mainly uses colloidal or solid electrolyte, rarely uses liquid electrolyte, and uses a lamination winding process as a production process, so that the battery core is more flexible in shape, size and capacity, and the specification and category of the battery core are more diversified.

When the polymer soft package battery core is produced, the tabs need to be cut into uniform lengths and shapes. When debugging utmost point ear cutting jig, go up the utmost point ear that moves that cutter and bottom tool need the location accuracy could cut, require the precision height and debug complicacy during adjustment equipment. The cylinder underpressure can lead to cutter position off tracking about, appears utmost point ear and can't cut off or unedged phenomenon, and the cutter is worn and torn easily, and is longe-lived, and needs often debugging or change the cutter, leads to the cost-push. Polymer electricity core utmost point ear generally need be cut into uniform length and shape as required, and cuts the cutter in the use, and the atress is not hard up easily, leads to utmost point ear can't cut off or deckle edge appears, has reduced the life and the product production efficiency of cutter.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the weak point among the above-mentioned prior art and provide the tool that the face of cutting levels, unedged polymer electricity core utmost point ear cut.

The utility model discloses a realize through following mode:

a tool for cutting a polymer battery cell lug comprises a battery cell fixing mechanism, a lug cutting mechanism arranged on one side of the battery cell fixing mechanism and a recovery mechanism arranged below the lug cutting mechanism;

the battery cell fixing mechanism is horizontally arranged on the rack;

the tab cutting mechanism comprises at least one cutting part arranged opposite to the tab; the cutting part is sequentially provided with a lifting part, a guide part, a cutting knife and a cutting base from top to bottom; the knife edge of the cutting knife is an inclined plane; the cutting knife is connected with the cutting base in a sliding manner;

the lifting component drives the cutting knife to reciprocate in the vertical direction through the guide component to cut the electrode lugs and recovers and cuts waste materials through a recovery mechanism arranged below the cutting knife.

The utility model discloses an in the embodiment, the limit portion center that is located utmost point ear both sides on the electric core fixed establishment is equipped with the open slot of conveniently taking electric core.

The utility model discloses an in the embodiment, utmost point ear cuts the mechanism and includes that two transversely set up side by side and cut the part relative with utmost point ear.

In an embodiment of the present invention, the lifting member includes a cylinder mounted on the top plate of the frame; the guide component comprises at least two guide shafts arranged below the cylinder and distributed on the circumference of the cylinder and pressing blocks connected with the guide shafts in a sliding manner; the movable end of the air cylinder is connected with the pressing block; the cutting knife is fixedly arranged on one side of the pressing block.

In an embodiment of the utility model, the guiding axle evenly sets up 4.

In an embodiment of the utility model, two sides of the knife edge of the cutting knife extend downwards to form guide blocks matched with the sliding grooves on the cutting base; and a recovery opening connected with the recovery mechanism is arranged on the cutting base corresponding to the lower part of the cutting edge of the cutting knife.

The beneficial effects of the utility model reside in that: 1. when the tab is cut, the cutting knife and the cutting base are embedded, so that the guiding effect is achieved, the deviation of the knife due to stress is prevented, the cutting flatness of the tab is guaranteed, and the service life of the knife is prolonged. 2. The cutting plane of the cutting knife is an inclined plane and is in point contact with the battery cell lug all the time when cutting, so that the lug is cut more smoothly without burrs. 3. Design a dirty tank below cutting the sword, the waste material of anodal negative pole is independently retrieved, makes clean and tidy in the production process, and makes things convenient for waste recycling to recycle. 4. The cutting component improves the stability of reciprocating motion through the guide shaft, avoids deviation of a cutter when the cutter is pressed downwards, and improves cutting quality. 5. Through setting up even cutting member, can realize cutting of two kinds of different utmost point ear shapes, and the cutter is convenient to be changed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the part A of the structure of the present invention;

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The embodiment is as follows:

referring to fig. 1 and fig. 2, a jig for cutting a tab of a polymer battery cell includes a battery cell fixing mechanism 1, a tab cutting mechanism disposed at one side of the battery cell fixing mechanism 1, and a recycling mechanism disposed below the tab cutting mechanism; the battery cell fixing mechanism 1 is horizontally arranged on the rack 2; the tab cutting mechanism comprises at least one cutting part arranged opposite to the tab; the cutting part is sequentially provided with a lifting part 4, a guide part 5, a cutting knife 31 and a cutting base 32 from top to bottom; the knife edge 311 of the cutting knife 31 is an inclined plane; the cutting knife 31 is connected with the cutting base 32 in a sliding manner; the lifting component 4 drives the cutting knife 31 to reciprocate in the vertical direction through the guide component 5 to cut polar ears and recovers and cut waste materials through a recovery mechanism arranged below the cutting knife 31. The tab cutting mechanism comprises two cutting parts which are transversely arranged side by side and opposite to the tabs.

The lifting component 4 comprises a cylinder 41 arranged on a rack top plate 42; the guide component 5 comprises at least two guide shafts 51 arranged below the cylinder 41 and distributed on the circumference of the cylinder 41 and pressing blocks 52 connected with the guide shafts 51 in a sliding manner; the movable end of the air cylinder 41 is connected with the pressing block 52; the cutting knife 31 is fixedly arranged on one side of the pressing block 52.

The utility model discloses the during operation, at first will wait to cut the electric core of utmost point ear and place on electric core fixed establishment 1, utilize the recess that sets up on electric core fixed establishment 1 to carry out spacing fixed to electric core to arrange utmost point ear in and cut the 32 upper surfaces of base, cylinder 41 moves this moment and drives briquetting 52 and slide downwards on guiding axle 51, cuts sword 31 and begins to cut utmost point ear from one side, cuts and remains the electrical contact throughout, makes the cutting plane level and smooth more, deckle edge can not appear, has promoted the cutting quality. After the cutting is completed, the air cylinder 41 moves upward, and the cut waste material directly falls into the recovery mechanism from the recovery port 6. The pressing block 52 is used for limiting the movement of the air cylinder 41 and matching the guide shafts 51 in the movement process, so that the up-and-down movement process is stable and smooth, the sliding is avoided, and the integral cutting quality is ensured.

The utility model discloses an in the embodiment, the limit portion center that lies in utmost point ear both sides on electric core fixed establishment 1 is equipped with the open slot 11 of conveniently taking electric core. The open slot 11 that the symmetry set up can make things convenient for the manipulator or the manual work electric core of taking, reduces the fixed point of electric core, reduces the influence of cutting the in-process to electric core appearance quality.

In an embodiment of the present invention, the guiding axle 51 is evenly provided with 4 guiding axles.

In an embodiment of the present invention, two sides of the knife edge of the cutting knife 31 extend downward to form guide blocks 33 that are matched with the sliding grooves on the cutting base 32; a recovery opening 6 connected with a recovery mechanism is arranged on the cutting base 32 corresponding to the lower part of the cutting edge of the cutting knife 31. By means of the embedded matching of the guide block 33 and the cutting base, the movement track of the cutting knife 31 is limited, the cutting knife 31 can be prevented from colliding with the knife, the cutting efficiency is improved, and the integrity of the device is further improved. The cutting knife 31 is fixed on the pressing block 52 through a plurality of screws, so that later maintenance and replacement are facilitated. The utility model discloses when utmost point ear cuts, cut the sword and cut the base and be embedded, play the effect of direction, prevent cutter atress off tracking, guarantee the roughness that utmost point ear cut, improved the life of cutter. The cutting plane of the cutting knife is an inclined plane and is in point contact with the battery cell lug all the time when cutting, so that the lug is cut more smoothly without burrs. Design a dirty tank below cutting the sword, the waste material of anodal negative pole is independently retrieved, makes clean and tidy in the production process, and makes things convenient for waste recycling to recycle. The cutting component improves the stability of reciprocating motion through the guide shaft, avoids deviation of a cutter during pressing down, and improves cutting quality. Through setting up a cutting part even, can realize cutting of two kinds of different utmost point ear shapes, and the cutter is convenient to be changed.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tool that polymer electricity core utmost point ear cut which characterized in that: the battery cell fixing mechanism is arranged on the battery cell fixing mechanism, the lug cutting mechanism is arranged on one side of the battery cell fixing mechanism, and the recovery mechanism is arranged below the lug cutting mechanism;

the battery cell fixing mechanism is horizontally arranged on the rack;

the lifting component drives the cutting knife to reciprocate in the vertical direction through the guide component to cut the antipodal ear and recovers and cut waste materials through a recovery mechanism arranged below the cutting knife.

2. The jig for cutting the tab of the polymer battery cell according to claim 1, wherein: the edge center that lies in utmost point ear both sides on the electric core fixed establishment is equipped with the open slot of conveniently taking electric core.

3. The tool of claim 1, wherein the tool for cutting the polymer cell tab comprises: the tab cutting mechanism comprises two cutting parts which are transversely arranged side by side and opposite to the tabs.

4. The tool of claim 1 or 3, wherein the tool for cutting the polymer cell tab comprises: the lifting component comprises an air cylinder arranged on a top plate of the frame; the guide component comprises at least two guide shafts arranged below the cylinder and distributed on the circumference of the cylinder and pressing blocks connected with the guide shafts in a sliding manner; the movable end of the air cylinder is connected with the pressing block; the cutting knife is fixedly arranged on one side of the pressing block.

5. The tool of claim 4, wherein the tool for cutting the polymer cell tab comprises: 4 guide shafts are uniformly arranged.

6. The tool of claim 4, wherein the tool for cutting the polymer cell tab comprises: two sides of the knife edge of the cutting knife extend downwards to form guide blocks matched with the sliding grooves in the cutting base; and a recovery opening connected with the recovery mechanism is arranged on the cutting base corresponding to the lower part of the cutting edge of the cutting knife.