CN216488205U

CN216488205U - Soft packet of lithium cell air pocket pulling open device

Info

Publication number: CN216488205U
Application number: CN202122541975.3U
Authority: CN
Inventors: 李国梁; 丁帅铭; 吴良骥
Original assignee: Jiewei Power Industry Jiaxing Co ltd
Current assignee: Jiewei Power Industry Jiaxing Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-05-10
Anticipated expiration: 2031-10-20

Abstract

The utility model provides a soft packet of lithium cell air pocket pull open device, includes the bottom plate, install the support and the spacing stop gear that are used for electric core on the bottom plate, install the slip table cylinder, two at stop gear's one end top symmetry on the bottom plate the slip table cylinder is located the air pocket both sides and sets up, every all be connected with the cyclone sucking disc on the moving mechanism of slip table cylinder, the air pocket both sides the corresponding side air pocket is inhaled to the relative setting of cyclone sucking disc and accessible gas circuit, two the moving mechanism of slip table cylinder can drive the cyclone sucking disc and remove in opposite directions and be close to and inhale the air pocket or deviate from the removal and pull open the air pocket. The air bag is sucked up through the cyclone suction force of the cyclone suction disc, so that the direct contact between the suction disc and the surface of the air bag is avoided, and the problems of secondary pollution of the air bag pulling-opening mechanism on the surface of the battery cell and pulling-opening failure of the air bag caused by electrolyte pollution are solved.

Description

Soft packet of lithium cell air pocket pulling open device

Technical Field

The utility model belongs to the technical field of soft package lithium batteries, and particularly relates to an air bag pulling device for a soft package lithium battery.

Background

The liquid injection process in the field of soft package lithium ion battery production needs to open the air bag of the battery cell to a certain degree to inject liquid in the process of battery liquid injection. Currently, the airbag is opened by sucking the surfaces of the aluminum plastic films on both sides of the battery airbag by using a vacuum chuck and then pulling the vacuum chuck by using a cylinder, thereby opening the battery airbag.

Although there is an apparatus for pulling the air bag by the cylinder after the vacuum chuck sucks the air bag of the battery, since the vacuum chuck needs to contact the battery and the air bag opening mechanism usually injects the negative electrode of the mechanism at the battery, the chuck will cause secondary pollution to the surface of the battery core after the electrolyte pollutes the vacuum chuck, and if the electrolyte is crystallized on the surface of the vacuum chuck, the suction bag will break vacuum, resulting in failure of pulling the air bag.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides an air bag pulling device for a soft package lithium battery, which solves the problems of secondary pollution of an air bag pulling mechanism on the surface of a battery core and failure of air bag pulling caused by electrolyte pollution.

The technical scheme adopted by the utility model is as follows:

the utility model provides a soft packet of lithium cell air pocket pull open device which characterized in that: the electric air bag comprises a base plate, install the support and the spacing stop gear that are used for electric core on the bottom plate, install the slip table cylinder, two at stop gear's one end top symmetry on the bottom plate the slip table cylinder is located the air pocket both sides and sets up, every all be connected with the cyclone sucking disc on the moving mechanism of slip table cylinder, the air pocket both sides the corresponding side air pocket is inhaled to the relative setting of cyclone sucking disc and accessible gas circuit, two the moving mechanism of slip table cylinder can drive the cyclone sucking disc and remove in opposite directions and be close to and inhale the air pocket or deviate from the removal air pocket and pull open. The air bag is sucked up by the cyclone suction force of the cyclone sucker, so that the direct contact between the sucker and the surface of the air bag is avoided, and the problems of secondary pollution of the air bag pulling-opening mechanism on the surface of the electric core and failure of the air bag pulling-opening caused by electrolyte pollution are solved.

Furthermore, stop gear includes that two bisymmetry are installed 4 electric core stoppers and 4 electric core gag levers that are used for injecing electric core position that are used for supporting electric core on the bottom plate. The battery cell is supported and limited by the cooperation of the battery cell limiting block and the battery cell limiting rod.

Furthermore, the distance between the cell limiting rods on the two sides of the cell is consistent with the thickness of the cell.

Further, the distance between the battery cell limiting rods positioned on the same side of the battery cell is smaller than the length of the battery cell.

Furthermore, stand columns are symmetrically arranged on the bottom plate on two sides of the limiting mechanism, a vertical plate is fixed to the top end of each stand column, and the two sliding table cylinders are fixedly installed on the vertical plates.

Further, be fixed with the connecting plate on the moving mechanism of slip table cylinder, be fixed with the sucking disc mounting panel on the connecting plate, two the cyclone sucking disc is installed on the sucking disc mounting panel.

Furthermore, a sensor used for sensing whether the air bag is pulled open in place is arranged on the outer side of the other end of the limiting mechanism on the bottom plate.

Further, the inductor is installed on an inductor installation plate, and the inductor installation plate is fixed on the bottom plate.

The utility model has the beneficial effects that:

(1) the cyclone sucker is adopted, the cyclone sucker can generate suction force to the air bag to pull open the electric core air bag in a state of not contacting the surface of the electric core air bag, the direct contact between the pulling-open mechanism and the surface of the battery air bag is avoided, the secondary pollution of the mechanism to the surface of the electric core is eliminated, and the consequence that the air bag is pulled open to act and lose efficacy due to the fact that the electrolyte generates crystals on the surface of the sucker is avoided.

(2) Meanwhile, the sensor is installed to detect whether the air bag is pulled open successfully, so that the reliability of pulling open the air bag is greatly improved, the failure rate of liquid injection process equipment is reduced, and the OEE of the liquid injection equipment is improved, thereby achieving the purpose of improving the productivity of the liquid injection equipment.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Detailed Description

The present invention is further illustrated by the following examples, which are not intended to limit the utility model to these embodiments. It will be appreciated by those skilled in the art that the present invention encompasses all alternatives, modifications and equivalents as may be included within the scope of the claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, this embodiment soft packet of lithium battery air pocket pull open device for pulling open of air pocket when electric core 12 annotates liquid, including bottom plate 1, stand 2, riser 3, slip table cylinder 4, connecting plate 5, sucking disc mounting panel 6, cyclone sucking disc 7, electric core stopper 8, electric core gag lever post 9, inductor mounting panel 10, inductor 11.

This embodiment install the support and the spacing stop gear that are used for electric core 12 on the bottom plate 1, install slip table cylinder 4, two at stop gear's one end top symmetry on bottom plate 1 slip table cylinder 4 is located the air pocket both sides setting of electric core, every all be connected with cyclone chuck 7 on the moving mechanism of slip table cylinder 4, the air pocket both sides cyclone chuck 7 sets up relatively and accessible gas circuit inhales corresponding side air pocket, two the moving mechanism of slip table cylinder 4 can drive cyclone chuck 7 and remove in opposite directions and be close to and inhale the air pocket or deviate from the removal and pull open the air pocket. The air bag is sucked up by the cyclone suction force of the cyclone sucker 7, so that the direct contact between the sucker and the surface of the air bag is avoided, and the problems of secondary pollution of the air bag pulling-opening mechanism on the surface of the battery cell and failure of the air bag pulling-opening caused by electrolyte pollution are solved. The size of the cyclone suction cup 7 is selected according to the area of the air bag and the force required for pulling the air bag open, and the cyclone suction cup is used for pulling the air bag open towards two sides.

The limiting mechanism in this embodiment includes 4 cell limiting blocks 8 and 4 cell limiting rods 9, which are symmetrically installed on the bottom plate and used for supporting the cell 12, and are used for limiting the position of the cell 12. The battery cell 12 is supported and limited by the cooperation of the battery cell limiting block 8 and the battery cell limiting rod 9. The distance between the cell limiting rods 9 at the two sides of the cell 12 is consistent with the thickness of the cell 12. The distance between the cell limiting rods 9 positioned on the same side of the cell 12 is smaller than the length of the cell 12.

In the embodiment, the two sides of the limiting mechanism are symmetrically provided with the stand columns 2 on the bottom plate 1, the top ends of the stand columns 2 are fixed with the vertical plates 3, and the sliding table cylinders 4 are fixedly arranged on the vertical plates 3. Every all be fixed with connecting plate 5 on the moving mechanism of slip table cylinder 3, be fixed with sucking disc mounting panel 6 on connecting plate 5, two the cyclone sucking disc 7 is installed on sucking disc mounting panel 6.

In this embodiment, a sensor 10 for sensing whether the air bag is pulled open is installed on the bottom plate 1 at the outer side of the other end of the limiting mechanism. The inductor 10 is installed on an inductor installation plate 11, and the inductor installation plate 11 is fixed on the bottom plate 1. The inductor 10 is connected with a control system, and the control system is used for controlling the action of the cyclone suction cup 7 and the sliding table cylinder 4. The sensor may be a general detection sensor.

The process and principle of the utility model are as follows: after the battery cell 12 is put in place on the air bag type air bag device, the movable mechanisms of the 2 sliding table air cylinders 4 extend out to drive the 4 cyclone suckers 7 on the two sides of the battery cell 12 to respectively move horizontally in opposite directions for a certain distance, so that the cyclone suckers 7 are close to the surface of the air bag of the battery cell 12, and the distance between the cyclone suckers 7 and the air bag surface is within the action distance of the suction force of the cyclone suckers 7. Then the air path of the cyclone suction cup 7 is opened to generate suction force to pull the air bag but not contact. Then the movable mechanism of 2 slip table cylinders 4 retracts, drives 4 cyclone sucking discs 7 to respectively move a certain distance dorsad, and pulls open the air bag of the battery cell 12 to both sides. Finally, the sensor 10 detects whether the air bag of the electric core 12 is pulled open in place, and feeds back a detection result signal to the control system.

The utility model adopts the cyclone sucker which can generate suction force to the air bag to pull the battery cell air bag open under the state of not contacting the surface of the battery cell air bag, thereby avoiding the direct contact between the pulling mechanism and the surface of the battery cell air bag, eliminating the secondary pollution of the mechanism to the surface of the battery cell and avoiding the consequence that the air bag is pulled open to lose efficacy due to the crystallization of electrolyte on the surface of the sucker. Meanwhile, the sensor is installed to detect whether the air bag is pulled open successfully, so that the reliability of pulling open the air bag is greatly improved, the failure rate of liquid injection process equipment is reduced, and the OEE of the liquid injection equipment is improved, thereby achieving the purpose of improving the productivity of the liquid injection equipment.

Claims

1. The utility model provides a soft packet of lithium cell air pocket pull open device which characterized in that: the electric air bag comprises a base plate, install the support and the spacing stop gear that are used for electric core on the bottom plate, install the slip table cylinder, two at stop gear's one end top symmetry on the bottom plate the slip table cylinder is located the air pocket both sides and sets up, every all be connected with the cyclone sucking disc on the moving mechanism of slip table cylinder, the air pocket both sides the corresponding side air pocket is inhaled to the relative setting of cyclone sucking disc and accessible gas circuit, two the moving mechanism of slip table cylinder can drive the cyclone sucking disc and remove in opposite directions and be close to and inhale the air pocket or deviate from the removal air pocket and pull open.

2. The air bag pulling device for the soft package lithium battery as claimed in claim 1, wherein: the limiting mechanism comprises 4 battery cell limiting blocks and 4 battery cell limiting rods, wherein the two battery cell limiting blocks are symmetrically arranged on the bottom plate and used for supporting the battery cells, and the 4 battery cell limiting rods are used for limiting the positions of the battery cells.

3. The air bag pulling device for the soft package lithium battery as claimed in claim 2, wherein: and the distance between the cell limiting rods positioned at the two sides of the cell is consistent with the thickness of the cell.

4. The air bag pulling device for the soft package lithium battery as claimed in claim 2, wherein: and the distance between the cell limiting rods positioned on the same side of the cell is smaller than the length of the cell.

5. The air bag pulling device for the soft package lithium battery as claimed in any one of claims 1 to 4, wherein: the bottom plate is symmetrically provided with stand columns on two sides of the limiting mechanism, vertical plates are fixed to the top ends of the stand columns, and the two sliding table cylinders are fixedly mounted on the vertical plates.

6. The air bag pulling device for the soft package lithium battery as claimed in claim 5, wherein: a connecting plate is fixed on a moving mechanism of the sliding table cylinder, a sucker mounting plate is fixed on the connecting plate, and the cyclone suckers are mounted on the sucker mounting plate.

7. The air bag pulling device for the soft package lithium battery as claimed in any one of claims 1 to 4, wherein: and a sensor used for sensing whether the air bag is pulled open in place is arranged on the outer side of the other end of the limiting mechanism on the bottom plate.

8. The air bag pulling device for the soft package lithium battery as claimed in claim 7, wherein: the inductor is installed on the inductor mounting panel, the inductor mounting panel is fixed on the bottom plate.