CN210115986U - Lithium cell plastic-aluminum membrane cuts mechanism - Google Patents

Abstract

The utility model discloses a lithium battery aluminum-plastic film cutting mechanism, which comprises an upper mounting plate, a lower mounting plate, an upper cutting knife and a lower cutting knife, wherein the upper mounting plate is correspondingly arranged above the lower mounting plate, and the The upper mounting plate is provided with an upper air cylinder, the upper air cylinder is connected with the upper cutting knife, the lower mounting plate is provided with a lower air cylinder, and the lower air cylinder is connected with the lower cutting knife, and the upper cutting knife is connected with the lower cutting knife. The cutting knife is used to cut the aluminum-plastic film of the lithium battery. The upper cutting knife and the lower cutting knife of the utility model use independent cylinders respectively, so that the cutting is faster and neater, and the guide posts and the guide sleeves cooperate with each other. , to ensure accurate cutting, no burr, and improve the service life of the mechanism; the setting of the waste chute can collect the remaining material after cutting.

Description

A lithium battery aluminum-plastic film cutting mechanism

technical field

The utility model mechanism belongs to the field of packaging and assembling production of soft-pack lithium batteries, in particular to an aluminum-plastic film cutting mechanism for soft-pack lithium batteries.

Background technique

In the current production of soft-packed lithium batteries, one of the processes is to cut the aluminum-plastic film. Some residual scraps that have been pressed need to be cut into the required size according to the requirements. The purpose is to better wrap the soft-pack lithium battery and make the size of the battery more standardized. Therefore, cutting aluminum-plastic film process.

In the production of soft-pack lithium batteries, the existing structure is limited by its structure, and it is not compatible with the cutting of aluminum-plastic films of soft-pack lithium batteries of different specifications. The cut aluminum-plastic film has large and irregular burrs. It seriously affects the qualified rate of cutting, and the disassembly and assembly of the cutting edge is also inconvenient. At the same time, the cutting life of the cutting edge is not high, and it is not convenient for maintenance and repair. Therefore, the above problems require a new cutting mechanism.

Utility model content

The purpose of the utility model is to provide a lithium battery aluminum-plastic film cutting mechanism that can cut neatly and ensure the cutting pass rate, and effectively solve the problems in the background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a lithium battery aluminum-plastic film cutting mechanism, comprising an upper mounting plate, a lower mounting plate, an upper cutting knife and a lower cutting knife, and the upper mounting plate corresponds to It is arranged above the lower mounting plate, the upper mounting plate is provided with an upper air cylinder, the upper air cylinder is connected with the upper cutting knife, the lower mounting plate is provided with a lower air cylinder, and the lower air cylinder is connected with the lower cutting knife. , When cutting, the upper cutting knife and the lower cutting knife move to the designated position to cut the aluminum-plastic film of the lithium battery.

Preferably, a guide post is arranged between the upper mounting plate and the lower mounting plate, an upper template and a lower template are respectively sleeved on the outer periphery of the guide column, the upper air cylinder is connected to the upper template in a driving manner, and the upper cutting The knife is installed on the upper template, the lower cylinder is connected with the lower template, the lower cutting knife is installed on the lower template, and the upper and lower cutting knives use independent cylinders to ensure large cutting force and cutting power. Sufficient for a quicker and neater cut.

Preferably, the upper formwork is provided with an upper guide sleeve adapted to the guide post, the lower formwork is provided with a lower guide sleeve adapted to the guide post, and the guide post and the guide sleeve are provided between the upper cutter and the lower cutter. Cooperate with each other to ensure accurate cutting and no burrs, ensure that the section of the aluminum-plastic film is neat after cutting, and improve the service life.

Preferably, a pre-compression mounting block is provided on the upper template, an elastic telescopic rod is passed through the pre-compression mounting block, a pre-compression block is provided at the lower end of the elastic telescopic rod, and the pre-compression block is provided on the upper On one side of the cutting knife, the pre-compression block is used to pre-press the aluminum-plastic film on the lithium battery during cutting, which ensures neat cutting and cutting accuracy.

Preferably, the upper formwork is further provided with a limit rod, the lower end of the limit rod is mounted on the upper end of the upper formwork, the limit rod passes through the upper mounting plate, and a limit block is installed on the upper side of the limit rod , A limit screw is drilled in the limit block to avoid exceeding the stroke during cutting, damage the upper cutting knife and the lower cutting knife, and protect the entire mechanism.

Preferably, an air blowing mechanism is provided on the lower mounting plate, and the air blowing mechanism is arranged on the inner side of the lower cutting knife, which is helpful for blowing out the remaining material after cutting, and is convenient for later collection.

Preferably, one side of the lower mounting plate is provided with a waste trough adapted to the blowing mechanism, which can collect the cut residues.

Preferably, side plates are respectively provided below both sides of the lower mounting plate, linear slide rails are provided on the side plates, and two sides of the lower mounting plate are slidably connected to the linear slide rails through a sliding seat , and the lower mounting plate is connected with a push cylinder in transmission.

Preferably, the push cylinder is mounted on a mounting bracket, and the mounting bracket is located on the inner side of the side plate.

Beneficial effects: the upper cutting knife and the lower cutting knife of the utility model use independent cylinders respectively, so that the cutting is faster and neater, and the guide posts and guide sleeves cooperate to ensure accurate cutting, no burrs, and improve the efficiency of cutting. The service life of the mechanism; the setting of the waste chute can collect the leftover material from the cutting.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the present utility model;

In the figure, upper mounting plate 1, lower mounting plate 2, upper cutting knife 3, lower cutting knife 4, upper cylinder 5, lower cylinder 6, guide post 7, upper template 8, lower template 9, upper guide sleeve 81, Lower guide sleeve 91, pre-compression mounting block 10, pre-compression block 11, elastic telescopic rod, 12 blowing mechanism 13, waste groove 14, limit rod 15, limit block 16, limit screw 17, side plate 18, wire Type slide rail 19, push cylinder 20, mounting frame 21.

Detailed ways

A specific embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

Referring to FIG. 1, a lithium battery aluminum-plastic film cutting mechanism includes an upper mounting plate 1, a lower mounting plate 2, an upper cutting knife 3 and a lower cutting knife 4, and the upper mounting plate 1 is correspondingly arranged on the lower mounting plate 1. Above the plate 2, the upper mounting plate 1 is provided with an upper cylinder 5, the upper cylinder 5 is connected with the upper cutting knife 3 in a transmission connection, the lower mounting plate 2 is provided with a lower cylinder 6, and the upper mounting plate 1 and There are four guide posts 7 between the lower mounting plate 2, the four guide posts 7 are symmetrically arranged on the upper mounting plate 1 and the lower mounting plate 2 respectively, and the outer periphery of the guide posts 7 is respectively sleeved with an upper template 8 and the lower template 9, the upper template 8 is provided with an upper guide sleeve 81 adapted to the guide post 7, the lower template 9 is provided with a lower guide sleeve 91 adapted to the guide post 7, the upper cutter 3 and the lower cutter The guide posts 7 and the guide sleeves cooperate between the cutters 4 to ensure accurate cutting and no burrs, ensure that the section of the aluminum-plastic film is neat after cutting, and improve the service life. The piston rod of the upper cylinder 5 is fixed on the upper On the upper end of the template 8, the upper cutting knife 3 is installed on one side of the upper template 8 through screw connection, the piston rod of the lower cylinder 6 is fixed on the lower end of the lower template 9, and the lower cutting knife 4 is connected by screws. It is installed on one side of the lower template 9. When cutting, the upper cutting knife 3 and the lower cutting knife 4 move to the designated positions to cut the aluminum plastic film of the lithium battery. The cutting knife 4 adopts an independent cylinder to ensure the cutting force is large and the cutting power is sufficient, so as to make the cutting faster and neater, and the upper cutting knife 3 and the lower cutting knife 4 are made of cemented carbide to ensure sharpness and not easy wear.

In this embodiment, the upper template 8 is provided with a pre-pressing installation block 10 , the pre-pressing installation block 10 is fixed on the upper side of the upper template 8 by screws, and two sides of the pre-pressing installation block 10 are provided with The elastic telescopic rod 12, the head of the elastic telescopic rod 12 is provided with a spring, and the rod body of the elastic telescopic rod 12 is embedded in the head. The lower end of the rod 12 is provided with a pre-compression block 11, the pre-compression block 11 is arranged on one side of the upper cutting knife 3, and the horizontal height of the position of the pre-compression block 11 is lower than the height of the upper cutting knife 3 when it is not cut , so that the aluminum-plastic film can be pre-pressed before cutting. The pre-pressing block 11 is used to pre-press the aluminum-plastic film on the lithium battery during cutting, so as to ensure neat cutting and cutting accuracy.

In this embodiment, the lower template 9 is provided with a blowing mechanism 13, the blowing mechanism 13 is connected with a fan, and the blowing mechanism 13 is arranged on the inner side of the lower cutting knife 4, which is helpful for cutting The remaining material is blown out, which is convenient for later collection. One side of the lower template 9 is provided with a waste chute 14 adapted to the blowing mechanism 13. The waste chute 14 is installed on the back side of the mechanism through screw connection, and the The opening is slightly lower than the blowing opening of the blowing mechanism 13 , so that the cut material can be blown into the waste chute 14 .

In this embodiment, the upper template 8 is further provided with limit rods 15, four limit rods 15 are symmetrically arranged on both sides of the upper cylinder 5, and the lower ends of the four limit rods 15 are installed on the upper end of the upper template 8, And through the upper mounting plate 1, a limit block 16 is installed on the upper side of the two limit rods 15, and a limit screw 17 is penetrated in the limit block 16, so as to avoid exceeding the stroke during cutting and damage the upper cutting knife. 3 and the lower cutting knife 4, as well as protect the entire mechanism.

In this embodiment, side plates 18 are respectively provided under both sides of the lower mounting plate 2, and linear slide rails 19 are arranged on the side plates 18. The linear slide rail 19 is slidably connected, and the lower mounting plate 2 is in a transmission connection with a push cylinder 20, the piston rod of the push cylinder 20 is fixed on one side of the waste groove 14, and the push cylinder 20 is installed On the mounting bracket 21 , the mounting bracket 21 is located on the inner side of the side plate 18 .

Working principle: When the soft-packed lithium battery is moved into the cutting mechanism of the present utility model after being heat-sealed by the aluminum-plastic film, the pushing cylinder 20 pushes the entire cutting mechanism to the designated position, and the lower cylinder 6 pushes the lower cutting knife 4. Move up to a certain position, the upper cylinder 5 pushes the upper cutting knife 3 to move downward, and at the same time, it also moves downward with the pre-compression block 11. The pre-compression block 11 first presses the hot-pressed aluminum plastic film, and then cuts The knife 3 and the lower cutting knife 4 cooperate with each other to cut the aluminum-plastic film. At this time, the blowing mechanism 13 blows the cut waste into the waste slot 14, and finally the cylinders return to their positions one after another, and the cutting action is completed.

The above disclosures are only the preferred embodiments of the present invention, which cannot limit the scope of protection of the present invention. Therefore, the equivalent changes made according to the scope of the patent application of the present invention are still within the scope of the present invention. .

Claims (9)

1. A lithium battery aluminum-plastic film cutting mechanism is characterized in that, comprising an upper mounting plate, a lower mounting plate, an upper cutting knife and a lower cutting knife, and the upper mounting plate is correspondingly arranged above the lower mounting plate, The upper mounting plate is provided with an upper air cylinder, the upper air cylinder is connected with the upper cutting knife, and the lower mounting plate is provided with a lower air cylinder, and the lower air cylinder is connected with the lower cutting knife. The upper cutter and the lower cutter move to the designated positions to cut the aluminum-plastic film of the lithium battery. 2 . The aluminum-plastic film cutting mechanism for lithium batteries according to claim 1 , wherein a guide post is provided between the upper mounting plate and the lower mounting plate, and the outer periphery of the guide post is respectively sleeved with The upper formwork and the lower formwork, the upper air cylinder is connected with the upper formwork in a transmission, the upper cutting knife is installed on the upper formwork, the lower cylinder is connected with the lower formwork in a transmission, and the lower cutting knife is installed on the lower formwork. 3 . The aluminum-plastic film cutting mechanism for lithium batteries according to claim 2 , wherein the upper template is provided with an upper guide sleeve adapted to the guide post, and the lower template is provided with an adapted guide post. 4 . Lower guide sleeve. 4 . The aluminum-plastic film cutting mechanism for lithium batteries according to claim 2 , wherein a pre-pressing mounting block is provided on the upper template, and an elastic telescopic rod is passed through the pre-pressing mounting block. 5 . The lower end of the elastic telescopic rod is provided with a pre-compression block, the pre-compression block is arranged on one side of the upper cutting knife, and the pre-compression block is used to pre-press the aluminum-plastic film on the lithium battery during cutting. 5 . The aluminum-plastic film cutting mechanism for lithium batteries according to claim 2 , wherein the upper template is further provided with a limit rod, and the lower end of the limit rod is mounted on the upper end of the upper template. 5 . The limit rod passes through the upper mounting plate, and a limit block is installed on the upper side of the limit rod, and a limit screw rod is penetrated in the limit block. 6 . The aluminum-plastic film cutting mechanism for lithium batteries according to claim 1 , wherein a blowing mechanism is provided on the lower mounting plate, and the blowing mechanism is arranged on the inner side of the lower cutting knife. 7 . 7 . The aluminum-plastic film cutting mechanism for lithium batteries according to claim 6 , wherein a waste slot suitable for the blowing mechanism is provided on one side of the lower mounting plate. 8 . 8 . The aluminum-plastic film cutting mechanism for lithium batteries according to claim 1 , wherein the lower sides of the lower mounting plate are respectively provided with side plates, and the side plates are provided with linear slide rails, 8 . Both sides of the lower mounting plate are slidably connected with the linear slide rail through a sliding seat, and the lower mounting plate is in driving connection with a push cylinder. 9 . The aluminum-plastic film cutting mechanism for lithium batteries according to claim 8 , wherein the push cylinder is mounted on a mounting frame, and the mounting frame is located on the inner side of the side plate. 10 .

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