CN212648313U

CN212648313U - Air exhaust device for soft package lithium battery

Info

Publication number: CN212648313U
Application number: CN202021865360.5U
Authority: CN
Inventors: 刘念; 郭泉锋; 蒋隆荣
Original assignee: Hubei Yulong New Energy Co ltd
Current assignee: Hubei Yulong New Energy Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-03-02
Anticipated expiration: 2030-08-31

Abstract

The utility model provides a soft package lithium battery air extractor, which comprises a base, wherein the upper surface of the base is provided with a transverse positioning plate and a longitudinal positioning plate which is vertically intersected with the transverse positioning plate; the pressing assembly is positioned on one side, close to the transverse positioning plate, of the base and comprises a supporting plate and two pressing plates arranged above the supporting plate in parallel, the pressing plates are positioned right above the soft package lithium battery, the distance between the pressing plates is adjustable, and the supporting plate is driven by a pressing cylinder to move up and down so that the pressing plates can tightly press the soft package lithium battery; and the air exhaust assembly is positioned on one side, far away from the transverse positioning plate, of the base, the air exhaust assembly comprises an air exhaust cylinder fixedly connected with the base, a piston rod of the air exhaust cylinder is vertically upward, the middle part of a lower pressing block hinged to the top of the piston rod is hinged to the air exhaust cylinder, an air exhaust pipe is penetrated through one end, not connected with the piston rod, of the lower pressing block, and the upper end of the air exhaust pipe is connected with a vacuum air exhaust pump and the lower end of the air exhaust pipe is connected with a puncture needle. The utility model discloses an automatic bleed, improved work efficiency.

Description

Air exhaust device for soft package lithium battery

Technical Field

The utility model relates to a lithium cell processing technology field especially relates to a soft packet of lithium cell air exhaust device.

Background

Soft packet of lithium cell is sealed in packing bag with electrolyte packing, need become to the battery after sealed, the battery is in the formation in-process, can produce a large amount of gas, in order not to influence the battery and become, consequently, need do the accommodation space of wrapping bag and greatly form the air pocket district, become the harmful tail gas collection that produces in the air pocket district, nevertheless utilize vacuum chuck to compress tightly the lithium cell in the detection process of follow-up internal resistance and voltage usually, produce the swell phenomenon when containing gas in soft packet of lithium cell, can cause and compress tightly infirm, direct influence product quality, among the prior art, operate the operation of bleeding through the handheld puncture needle of operating personnel, the manual work precision is low, work efficiency is lower.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a soft packet of lithium cell air exhaust device, it has solved the problem that the manual work precision that exists is low, work efficiency is difficult to the assurance among the prior art.

According to the embodiment of the utility model, the air exhaust device for the soft package lithium battery comprises a base, wherein the upper surface of the base is provided with a transverse positioning plate and a longitudinal positioning plate which is vertically intersected with the transverse positioning plate, and the transverse positioning plate and the longitudinal positioning plate are respectively arranged along the edge of the base and enclose a space for accommodating the soft package lithium battery;

the pressing assembly is positioned on one side, close to the transverse positioning plate, of the base and comprises a supporting plate and two pressing plates arranged above the supporting plate in parallel, the two pressing plates are positioned right above the soft package lithium battery, the distance between the two pressing plates is adjustable, and the supporting plate is driven by a pressing cylinder to move up and down so that the pressing plates can tightly press the soft package lithium battery;

and the air exhaust assembly is positioned on one side, far away from the transverse positioning plate, of the base, the air exhaust assembly comprises an air exhaust cylinder fixedly connected with the base, a piston rod of the air exhaust cylinder is vertically upward, the middle part of a pressing block and the middle part of the pressing block are hinged to the air exhaust cylinder under the hinged top of the piston rod, an air exhaust pipe is penetrated through one end, which is not connected with the piston rod, of the pressing block, and the upper end of the air exhaust pipe is connected with a vacuum air exhaust pump and the lower end of the air exhaust.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. be used for fixing a position soft packet of lithium cell through setting up horizontal locating plate and vertical locating plate to the setting compresses tightly the subassembly and compresses tightly soft packet of lithium cell, and the piston rod of the cylinder of bleeding stretches out and makes to puncture the needle and prick into soft packet of lithium cell, and vacuum aspiration pump work produces the negative pressure and bleeds, has realized automatic bleeding, has improved work precision and work efficiency.

2. Through set up two clamp plates in the backup pad, the interval between two clamp plates is adjustable, is applicable to compressing tightly and bleeding of the soft packet of lithium cell of multiple specification and dimension, and extensive applicability is general.

Drawings

Fig. 1 is a schematic view of a main structure of an embodiment of the present invention.

Fig. 2 is a schematic structural view of the middle air exhaust assembly of the present invention.

In the above drawings: 1. a base; 10. an upper plate; 11. a lower plate; 12. a column; 2. a transverse positioning plate; 3. a longitudinal positioning plate; 4. a compression assembly; 40. a support plate; 400. a threaded hole; 401. a boss portion; 41. pressing a plate; 410. a kidney-shaped groove; 411. a guide edge; 42. a pressing cylinder; 43. a base plate; 44. a screw; 5. an air extraction assembly; 50. an air pumping cylinder; 51. pressing the block; 52. an air exhaust pipe; 53. a vacuum pump; 54. puncturing the needle; 6. and (6) soft packaging the lithium battery.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1 and 2, an embodiment of the present invention provides an air extractor for a soft-packaged lithium battery 6, which includes a base 1, wherein a transverse positioning plate 2 and a longitudinal positioning plate 3 perpendicularly intersecting with the transverse positioning plate 2 are disposed on an upper surface of the base, and the transverse positioning plate 2 and the longitudinal positioning plate 3 are respectively disposed along an edge of the base 1 and enclose a space for accommodating the soft-packaged lithium battery 6;

the pressing assembly 4 is positioned on one side, close to the transverse positioning plate 2, of the base 1, the pressing assembly 4 comprises a supporting plate 40 and two pressing plates 41 which are arranged above the supporting plate 40 in parallel, the two pressing plates 41 are positioned right above the soft package lithium battery 6, the distance between the pressing plates 41 is adjustable, and the supporting plate 40 is driven by a pressing air cylinder 42 to move up and down so that the pressing plates 41 can press the soft package lithium battery 6;

and the air extracting component 5 is positioned on one side of the base 1 far away from the transverse positioning plate 2, the air extracting component 5 comprises an air extracting cylinder 50 fixedly connected with the base 1, a piston rod of the air extracting cylinder 50 is vertically upward, a pressing block 51 is hinged to the top of the piston rod, the middle of the pressing block 51 is hinged to the air extracting cylinder 50, an air extracting pipe 52 is arranged in a penetrating way at one end, which is not connected with the piston rod, of the pressing block 51, and the upper end of the air extracting pipe 52 is connected with a vacuum air extracting pump 53 and the lower end of the air extracting pipe 52 is connected with.

Specifically, the pressing cylinder 42 is installed on the bottom plate 43, and a piston rod of the pressing cylinder 42 is connected with the support plate 40 vertically upward.

The supporting plate 40 is provided with a plurality of threaded holes 400 in parallel, one end of the pressing plate 41 connected with the supporting plate 40 is provided with a kidney-shaped groove 410, and the pressing plate 41 is adjustably mounted on the supporting plate 40 through a screw 44.

In the scheme, by arranging the base 1, the transverse positioning plate 2 and the longitudinal positioning plate 3 which are vertically crossed are respectively installed along the edge at the upper left corner of the base 1, when the soft package lithium battery 6 is placed, one corner of the soft package lithium battery 6 is tightly attached to a corner formed by the transverse positioning plate 2 and the longitudinal positioning plate 3, the tab is lapped on the longitudinal positioning plate 3, the air bag of the soft package lithium battery 6 extends outwards, a bottom plate 43 is installed at one side, close to the transverse positioning plate 2, of the base 1, a pressing cylinder 42 is installed on the bottom plate 43, the piston rod of the pressing cylinder 42 is vertically upwards connected with the supporting plate 40, a plurality of threaded holes 400 are formed in the supporting plate 40 in parallel along the extending direction of the supporting plate, two pressing plates 41 are arranged in parallel above the supporting plate 40, a waist-shaped groove 410 is formed at one end, after the positions and the intervals of the two pressing plates 41 are determined according, the air extracting component 5 is positioned on one side of the base 1 far away from the transverse positioning plate 2, the air extracting component 5 comprises an air extracting cylinder 50, a piston rod of the air extracting cylinder 50 is vertically upward, the top of the piston rod is milled to be flat, a rectangular groove is formed in one end, connected with the piston rod, of the lower pressing block 51, the piston rod is inserted into the rectangular groove and hinged through a through pin, the air extracting cylinder 50 is hinged in the middle of the lower pressing block 51, one end, not hinged with the piston rod, of the lower pressing block 51 is connected with an air extracting pipe 52, the upper end of the air extracting pipe 52 is connected with an air inlet of a vacuum air extracting pump 53, the vacuum air extracting pump 53 is arranged on the base 1, the lower end of the air extracting pipe 52 is connected with a puncture needle 54, the puncture needle 54 is positioned above an air bag, the piston rod of the air extracting cylinder 50 extends out to enable the puncture needle 54 to be punctured, and be applicable to the soft packet of lithium cell 6 of different specification models compress tightly and bleed, improved resource utilization.

As shown in fig. 1, in the above solution, the supporting plate 40 and the pressing plate 41 are mounted in a manner that a protruding portion 401 is provided on the supporting plate 40, a guiding edge 411 is provided vertically downward at one end of the pressing plate 41 connected to the supporting plate 40, and the guiding edge 411 is attached to an outer edge of the protruding portion 401. By providing the protrusion 401 and the guide edge 411, when the position of the pressing plate 41 is adjusted, the pressing plate 41 moves along the outer edge of the protrusion 401, which provides good guidance and facilitates operation.

As shown in fig. 1, a preferred structure of the base 1 in the above solution is that the base 1 includes an upper plate 10, a lower plate 11 and four columns 12 supported between the upper plate 10 and the lower plate 11. Through setting base 1 to upper and lower bilayer structure, lightened weight when improving base 1 mechanical strength, the transport of the device of being convenient for, the space between upper plate 10 and the hypoplastron 11 can be used for placing soft packet of lithium cell 6 in addition, realizes the make full use of resource.

And a rubber pad is arranged on the contact surface of the pressing plate 41 and the soft package lithium battery 6. Through setting up the rubber pad, effectively prevent that metal construction's clamp plate 41 from causing contact wear to soft packet of lithium cell 6, effectively guarantee product quality.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a soft packet of lithium cell air exhaust device which characterized in that: the method comprises the following steps:

the upper surface of the base is provided with a transverse positioning plate and a longitudinal positioning plate which is vertically crossed with the transverse positioning plate, and the transverse positioning plate and the longitudinal positioning plate are respectively arranged along the edge of the base and enclose a space for accommodating the soft package lithium battery;

2. The pouch lithium battery air extraction device of claim 1, wherein: the pressing air cylinder is installed on the bottom plate, and a piston rod of the pressing air cylinder is vertically upwards connected with the supporting plate.

3. The pouch lithium battery air extraction device of claim 2, characterized in that: a plurality of threaded holes are formed in the supporting plate in parallel, a kidney-shaped groove is formed in one end, connected with the supporting plate, of the pressing plate, and the pressing plate is adjustably mounted on the supporting plate through screws.

4. The pouch lithium battery air extraction device of claim 3, wherein: the supporting plate is provided with a protruding portion, a guide edge is vertically arranged downwards at one end, connected with the supporting plate, of the pressing plate, and the guide edge is tightly attached to the outer edge of the protruding portion.

5. The pouch lithium battery air extraction device of claim 1, wherein: the base includes an upper plate, a lower plate, and four posts supported between the upper plate and the lower plate.

6. The pouch lithium battery air extraction device of claim 1, wherein: and a rubber pad is arranged on the contact surface of the pressing plate and the soft package lithium battery.