CN212461759U

CN212461759U - Battery heat-sealing equipment

Info

Publication number: CN212461759U
Application number: CN202020964086.0U
Authority: CN
Inventors: 赵圣祥; 刘文武; 汪刚; 王思凡
Original assignee: Huizhou Juheyuan Technology Co ltd
Current assignee: Shenzhen Changhong Juheyuan Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-02
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a battery heat sealing equipment is provided with end seal external member and pressure seal external member, and end seal external member and pressure seal external member are used for the plastic-aluminum membrane on the centre gripping battery jointly to accomplish the heat-seal of plastic-aluminum membrane on the battery. The balance block and the press sealing block are arranged, so that the acting force of the driving piece can act on the contact surface of the semi-ring heat sealing piece and the semi-ring press sealing piece and also can act on the contact surface of the balance block and the press sealing block, and the aluminum plastic film is prevented from being damaged due to stress concentration; the arrangement of the press sealing cambered surface and the fillet part can prevent the aluminum plastic film from being cut by the edges of the semi-ring heat sealing piece and the semi-ring press sealing piece; the semi-ring heat sealing piece and the semi-ring press sealing piece are arranged, so that the equipment can complete the heat sealing of the aluminum plastic film on the single side of the button cell at one time, and the heat sealing efficiency of the equipment is improved.

Description

Battery heat-sealing equipment

Technical Field

The utility model relates to a heat sealing equipment field especially relates to a battery heat sealing equipment.

Background

Laminate polymer battery can need impale the plastic-aluminum membrane of one side of electric core in process of production to with the gaseous emission in the laminate polymer battery plastic-aluminum membrane, then excise unnecessary plastic-aluminum membrane on the battery, cut on the battery afterwards again and have open-ended plastic-aluminum membrane to carry out the heat-seal.

At present, manufacturers generally use battery heat sealing equipment to heat-seal an opening on an aluminum plastic film, but the existing battery heat sealing equipment still has certain defects, specifically, soft package batteries have various shapes, and for button soft package batteries, because button soft package batteries are cylindrical, the manufacturers need to avoid a battery core to carry out hot pressing on the aluminum plastic film, and a heat sealing head of the existing battery hot air equipment can only carry out heat sealing on the aluminum plastic film along a straight line, so that the battery heat sealing equipment cannot complete the hot pressing of the aluminum plastic film on one side of the button battery at one time, and the heat sealing efficiency is low;

moreover, when the existing battery heat sealing equipment carries out hot pressing on an aluminum plastic film with an opening on a soft package battery, the acting force of the cylinder can completely act on the aluminum plastic film through the heat sealing head, namely the acting force of the cylinder can be completely applied on the aluminum plastic film to be heat sealed, however, the area of the aluminum plastic film to be heat sealed on the battery is generally small, and thus, the aluminum plastic film is easily damaged due to stress concentration;

in addition, when the battery is heat-sealed, the corner positions on the heat sealing head can generate certain cutting action on the aluminum plastic film, so that the aluminum plastic film is cut and damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, provide a battery heat sealing equipment, this battery heat sealing equipment not only can prevent that the plastic-aluminum membrane from damaging because of stress concentration in the hot pressing process, can also prevent that the plastic-aluminum membrane from cutting by the heat-seal head, still has the efficient advantage of heat-seal simultaneously.

The purpose of the utility model is realized through the following technical scheme:

a battery heat sealing apparatus comprising:

the bottom sealing sleeve comprises a bottom sealing seat, a semi-ring heat sealing piece and a balance block, wherein a position avoiding groove is formed in the bottom sealing seat, the semi-ring heat sealing piece is arranged on the bottom sealing seat, a round corner is arranged at the corner position of the semi-ring heat sealing piece, the semi-ring heat sealing piece and the position avoiding groove jointly form a containing groove, and the balance block is arranged on the bottom sealing seat; and

the pressure sealing sleeve comprises a driving piece, a pressure sealing seat and a pressure sealing block, the pressure sealing seat is connected with a driving shaft of the driving piece, the part of the pressure sealing seat protrudes towards the direction far away from the driving piece to form a semi-ring pressure sealing piece, a pressure sealing cambered surface is arranged at the corner position of the semi-ring pressure sealing piece, and the pressure sealing block is arranged on the pressure sealing seat;

the driving piece is used for driving the press seal seat to move towards the direction close to the bottom seal seat, so that an aluminum plastic film is clamped between the semi-ring heat seal piece and the semi-ring press seal piece, and the press seal block and the balance block are mutually supported.

In one embodiment, the bottom sealing assembly includes two balance blocks, each balance block is located on the bottom sealing seat, the press sealing assembly includes two press sealing blocks, each press sealing block is located on the press sealing seat, and each balance block is used for being mutually supported with each press sealing block in a one-to-one correspondence manner.

In one embodiment, the side wall of the avoiding groove is provided with a positioning cambered surface.

In one embodiment, the battery heat sealing device further comprises a frame, the bottom sealing seat is arranged on the frame, and the driving member is arranged on the frame.

In one embodiment, the frame is provided with a locking hole, the bottom sealing sleeve further comprises a locking screw, the bottom sealing seat is provided with an adjusting waist hole, the end of the locking screw penetrates through the adjusting waist hole, and the end of the locking screw is screwed with the locking hole.

In one embodiment, the battery heat sealing equipment further comprises a positioning jig, the positioning jig comprises a holding seat, a pressing plate and a pressing block, the holding seat is provided with a contour groove, the pressing plate is rotatably arranged on the holding seat, the pressing block is arranged on the pressing plate and is used for mutually supporting and holding the battery, and the holding seat is used for moving towards the direction close to or away from the bottom sealing seat relative to the frame, so that the battery is inserted into the avoiding groove, and the aluminum-plastic film is exposed on the semi-ring heat sealing member.

In one embodiment, the grip holder is provided with an anti-slip groove.

In one embodiment, the battery heat sealing device further comprises a guide sleeve and a guide rod, the guide sleeve is arranged on the rack, the guide rod penetrates through the guide sleeve, and the guide rod is connected with the press sealing seat.

In one embodiment, the bottom cover seat, the half-ring heat seal and the balance weight are of an integrally molded structure.

In one embodiment, the semi-ring press-sealing piece is provided with a position-avoiding cambered surface.

Compared with the prior art, the utility model discloses advantage and beneficial effect below having at least:

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 a battery heat sealing apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a battery heat sealing apparatus according to another embodiment of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 1 at A;

fig. 4 is a schematic structural view of a press seal kit according to an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, a battery heat sealing apparatus 10 includes a bottom sealing member 100 and a press sealing member 200, wherein the bottom sealing member 100 and the press sealing member 200 are used together for heat sealing an aluminum plastic film of a battery.

Referring to fig. 3, the bottom sealing kit 100 includes a bottom sealing base 110, a half-ring heat sealing member 120 and a balance weight 130, the bottom sealing base 110 is provided with a clearance groove 111, the half-ring heat sealing member 120 is disposed on the bottom sealing base 110, a corner of the half-ring heat sealing member 120 is provided with a rounded portion 121, the half-ring heat sealing member 120 and the clearance groove 111 together enclose a receiving groove 140, and the balance weight 130 is disposed on the bottom sealing base 110.

It should be noted that the bottom sealing base 110 is used for generating heat when being electrified, and also plays a role of supporting the half-ring heat sealing member 120 and the balancing mass 130; the half-ring heat sealing member 120 is used for transferring heat on the bottom sealing seat 110 to an aluminum plastic film, and the half-ring heat sealing member 120 is in a half-ring shape; the arrangement of the balance block 130 can prevent the acting force of the press sealing sleeve 200 from being completely concentrated on the aluminum-plastic film, and avoid the damage of the aluminum-plastic film due to overlarge stress; the avoiding groove 111 is used for providing a moving space for the roll core part of the button type soft package battery; the round corner part 121 is arranged to increase the contact area between the corner of the half-ring heat sealing member 120 and the aluminum-plastic film, so as to prevent the aluminum-plastic film from being cut by the corner of the half-ring heat sealing member 120; the accommodating groove 140 is used for accommodating a battery core of the battery.

Referring to fig. 1 and 4, the press sealing kit 200 includes a driving member 210, a press sealing seat 220 and a press sealing block 230, the press sealing seat 220 is connected to a driving shaft of the driving member 210, a portion of the press sealing seat 220 protrudes in a direction away from the driving member 210 to form a semi-ring press sealing member 240, a press sealing arc surface 241 is disposed at a corner position of the semi-ring press sealing member 240, and the press sealing block 230 is disposed on the press sealing seat 220.

It should be noted that the driving member 210 is used for providing power to the press seal seat 220; the press seal seat 220 is used for fixing the press seal block 230; the arrangement of the press sealing block 230 can prevent the acting force of the driving member 210 from completely acting on the aluminum-plastic film, thereby avoiding the aluminum-plastic film from being damaged due to overlarge stress; the semi-ring press seal 240 is used for heat sealing the aluminum plastic film; the arrangement of the press sealing cambered surface 241 increases the contact area between the corner of the half-ring press sealing member 240 and the aluminum-plastic film, thereby preventing the aluminum-plastic film from being cut by the corner of the half-ring press sealing member 240.

Referring to fig. 1, 3 and 4, the driving member 210 is used to drive the press seal holder 220 to move toward the bottom seal holder 110, so that the aluminum-plastic film is clamped between the half-ring heat seal 120 and the half-ring press seal 240, and the press seal block 230 and the balance weight 130 are pressed against each other.

The process of operating battery heat sealing equipment 10 to heat-seal the button type soft package battery comprises:

moving the button type soft package battery towards the direction close to the bottom seal seat 110 so that the roll core part of the button type soft package battery falls into the avoiding groove 111 and the aluminum plastic film of the soft package battery is exposed on the semi-ring heat seal piece 120;

the driving member 210 drives the pressing seat 220 to move toward the direction close to the bottom sealing seat 110, so that the aluminum-plastic film is clamped between the half-ring heat sealing member 120 and the half-ring pressing member 240, and the balance weight 130 and the pressing block 230 are pressed against each other;

and finishing the heat sealing of the aluminum plastic film of the button type soft package battery.

It should be noted that, when the aluminum-plastic film is clamped between the half-ring heat sealing member 120 and the half-ring press sealing member 240, the balance weight 130 and the press sealing block 230 will also abut against each other; therefore, the acting force generated by the driving element 210 not only acts on the aluminum-plastic film between the half-ring heat sealing element 120 and the half-ring pressing sealing element 240, but also acts on the contact surface between the balance block 130 and the pressing sealing block 230, so as to prevent the acting force generated by the driving element 210 from acting on the aluminum-plastic film in a concentrated manner, and finally prevent the aluminum-plastic film from being damaged due to too large stress.

It should be further noted that, the arrangement of the half-ring heat sealing member 120 and the half-ring press sealing member 240, and the additional avoidance groove 111, will enable the battery heat sealing device 10 to complete the heat sealing of the aluminum-plastic film on the single side of the soft package battery in the single heat sealing step, which is very fast and effectively improves the heat sealing efficiency of the soft package battery.

Referring to fig. 3 and 4, in one embodiment, the bottom sealing assembly 100 includes two balance weights 130, each balance weight 130 is located on the bottom sealing seat 110, the press sealing assembly 200 includes two press sealing blocks 230, each press sealing block 230 is located on the press sealing seat 220, and each balance weight 130 is used for supporting each press sealing block 230 one by one.

It should be noted that, by providing two balance blocks 130 and two press sealing blocks 230, the aluminum plastic film can be further prevented from being damaged due to excessive stress during the heat sealing process.

Referring to fig. 3 again, in one embodiment, the sidewall of the avoiding groove 111 is provided with a positioning arc surface 112.

It should be noted that the positioning arc surface 112 is used for being attached to the sidewall of the core winding portion of the battery, so that when a processing worker performs heat sealing on the battery, the sidewall of the battery can be closely attached to the wall of the avoiding groove 111, and further, the portion of the aluminum-plastic film on the battery to be hot-pressed can be accurately exposed on the half ring heat sealing member 120, and finally, the half ring heat sealing member 120 and the half ring press sealing member 240 moving along the predetermined track can accurately perform heat sealing on the aluminum-plastic film, thereby improving the heat sealing precision of the device.

Referring to fig. 1 and fig. 2, in one embodiment, the battery heat sealing apparatus 10 further includes a frame 300, the bottom sealing seat 110 is disposed on the frame 300, and the driving member 210 is disposed on the frame 300.

The frame 300 functions to fix the bottom sealing kit 100 and the press sealing kit 200.

Referring to fig. 3 again, in one embodiment, the frame 300 is provided with a locking hole, the bottom seal set 100 further includes a locking screw 150, the bottom seal seat 110 is provided with an adjusting waist hole 113, an end portion of the locking screw 150 penetrates through the adjusting waist hole 113, and an end portion of the locking screw 150 is screwed with the locking hole.

It should be noted that the locking screw 150 plays a role of locking; the adjusting waist hole 113 is formed, so that a processing person can adjust the relative position of the bottom seal seat 110 and the frame 300. Thus, the relative positions of the bottom seal 110 and the frame 300 can be conveniently adjusted by the processing personnel, so as to ensure that the half-ring heat seal 120 and the half-ring press seal 240 can be accurately attached.

Referring to fig. 2 and fig. 3, in one embodiment, the battery heat sealing apparatus 10 further includes a positioning fixture 400, the positioning fixture 400 includes a holding base 410, a pressing plate 420 and a pressing block 430, the holding base 410 is formed with an engaging groove 411, the pressing plate 420 is rotatably disposed on the holding base 410, the pressing block 430 is disposed on the pressing plate 420, the pressing block 430 is configured to be supported against the battery, and the holding base 410 is configured to move toward or away from the bottom sealing base 110 relative to the frame 300, so that the battery is inserted into the avoiding groove 111, and the aluminum-plastic film is exposed on the half-ring heat sealing member 120.

It should be noted that the positioning jig 400 plays a role in positioning the battery to be heat-sealed; the arrangement of the holding seat 410 is convenient for the processing personnel to hold; the pressing plate 420 is used for driving the pressing block 430 to rotate relative to the holding base 41 together; the pressing block 430 is used for supporting the propping and propping in the contour groove 411; the contoured slot 411 is used to position the battery.

It should be added that, when the battery needs to be heat sealed, the battery is placed in the contour groove 411; rotating the pressing plate 420 to enable the pressing block 430 and the battery to be mutually supported, and fixing the battery to be heat-sealed; moving the holding base 410 towards the direction close to the bottom sealing base 110 to insert the battery part into the avoiding groove 111 and expose the part to be heat-sealed on the battery aluminum-plastic film on the half-ring heat sealing member 120; the operating equipment carries out heat sealing to the plastic-aluminum membrane. Therefore, the part to be subjected to heat sealing on the aluminum plastic film can be accurately exposed on the half-ring heat sealing part 120, and the aluminum plastic film heat sealing precision of the equipment is improved.

Referring to fig. 2 and fig. 3, the positioning fixture 400 further includes a sliding rod 440, the sliding rod 440 is disposed on the frame 300, and the holding base 410 is slidably disposed on the sliding rod 440.

It should be noted that the sliding rod 440 guides the grip holder 410 to slide, so that the grip holder 410 can only slide along the central axis of the sliding rod 440.

Referring to fig. 2 and 3, in one embodiment, the grip holder 410 is provided with an anti-slip groove 412.

The anti-slip groove 412 serves to prevent slipping between the user's hand and the grip 410.

Referring to fig. 1 again, in one embodiment, the battery heat sealing apparatus 10 further includes a guide sleeve 500 and a guide rod 600, the guide sleeve 500 is disposed on the frame 300, the guide rod 600 penetrates the guide sleeve 500, and the guide rod 600 is connected to the press seal holder 220.

It should be noted that the guide sleeve 500 plays a role of guiding the guide rod 600 to slide; the guide rod 600 plays a role of driving the dynamic pressure seal seat 220 to move together; thus, the pressure seal holder 220 can be ensured to move along the predetermined track all the time, and the heat sealing precision of the equipment is improved.

Referring to fig. 3 again, in one embodiment, the bottom sealing base 110, the half-ring heat sealing member 120 and the balance weight 130 are integrally formed.

It should be noted that, the bottom sealing seat 110, the half-ring heat sealing member 120 and the balance weight 130 are integrally formed, so as to improve the durability of the bottom sealing kit 100.

Referring to fig. 4 again, in one embodiment, the half-ring press seal 240 is provided with a clearance arc 242.

The arrangement of the avoiding arc 242 can prevent the half ring press seal 240 from contacting with the winding core of the battery, so as to prevent the winding core of the battery from being crushed by the half ring press seal 240.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A battery heat sealing apparatus, comprising:

2. The battery heat sealing apparatus according to claim 1, wherein the bottom sealing member comprises two of the balance blocks, each of the balance blocks is located on the bottom sealing seat, the press sealing member comprises two of the press sealing blocks, each of the press sealing blocks is located on the press sealing seat, and each of the balance blocks is configured to be abutted against each of the press sealing blocks in a one-to-one correspondence.

3. The battery heat-sealing equipment as claimed in claim 1, wherein the side wall of the avoiding groove is provided with a positioning arc surface.

4. The battery heat sealing apparatus of claim 1, further comprising a frame, wherein the bottom seal housing is disposed on the frame, and wherein the driving member is disposed on the frame.

5. The battery heat-sealing equipment as claimed in claim 4, wherein the frame is provided with a locking hole, the bottom sealing member further comprises a locking screw, the bottom sealing seat is provided with an adjusting waist hole, the end of the locking screw penetrates through the adjusting waist hole, and the end of the locking screw is screwed with the locking hole.

6. The battery heat-sealing equipment according to claim 4, further comprising a positioning fixture, wherein the positioning fixture comprises a holding seat, a pressing plate and a pressing block, the holding seat is provided with an profiling groove, the pressing plate is rotatably arranged on the holding seat, the pressing block is arranged on the pressing plate, the pressing block is used for being mutually supported with the battery, the holding seat is used for moving towards a direction close to or away from the bottom sealing seat relative to the frame, so that the battery is inserted into the avoiding groove, and the aluminum-plastic film is exposed on the half ring heat sealing member.

7. The battery heat sealing device according to claim 6, wherein the grip holder is provided with an anti-slip groove.

8. The battery heat-sealing device according to claim 4, further comprising a guide sleeve and a guide rod, wherein the guide sleeve is disposed on the frame, the guide rod penetrates through the guide sleeve, and the guide rod is connected to the press seal seat.

9. The battery heat sealing apparatus according to claim 1, wherein the bottom sealing seat, the half ring heat seal member and the weight member are of an integrally molded structure.

10. The battery heat sealing equipment according to claim 1, wherein the semi-ring press seal is provided with a relief arc.