CN213278158U

CN213278158U - Heat sealing equipment

Info

Publication number: CN213278158U
Application number: CN202022162178.XU
Authority: CN
Inventors: 刘璇; 蒋新欣; 许永顺; 徐健武
Original assignee: Huizhou Yiwei Energy Collection Co ltd
Current assignee: Huizhou Yiwei Energy Collection Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-05-25
Anticipated expiration: 2030-09-27

Abstract

The heat sealing equipment of the utility model is provided with the base, the battery jig, the heat sealing device and the baffle sleeve, before the soft package battery needs to be heat-sealed, the adjusting and driving module can drive the movable partition plate to move towards the direction close to the baffle plate, the movable partition plate and the baffle plate jointly clamp the aluminum-plastic film at the position near the battery core, then the top drive module drives the upper end enclosure to move, the bottom drive module drives the lower end enclosure to move, the upper end enclosure and the lower end enclosure are close to each other, the upper end enclosure and the lower end enclosure clamp one sealed edge of the soft package battery together to carry out heat sealing on the sealed edge, because utilize activity baffle and baffle closure to form a barrier structure before the heat-seal, the heat that upper cover and low head radiated out is obstructed by activity baffle and baffle, can greatly reduced electricity core near the heat that the aluminium-plastic film absorption radiation of position department radiated out, prevent effectively that the aluminium-plastic film of electricity core position department is damaged because of absorbing too much heat.

Description

Heat sealing equipment

Technical Field

The utility model relates to a laminate polymer battery production technical field especially relates to a heat sealing equipment.

Background

The soft package lithium battery is a battery which is packaged by an aluminum plastic film structurally and is a polymer shell on which a liquid lithium ion battery is sleeved. The soft package battery has the following advantages: firstly, the safety performance is good, and the soft package battery can not explode like a steel shell and aluminum shell battery cell; compared with the traditional battery, the soft package battery is lighter than a steel shell lithium battery with the same capacity by 40% and lighter than an aluminum shell battery by 20%; the capacity of the soft package battery is high, and is 10-15% higher than that of a steel shell battery with the same specification and size and 5-10% higher than that of an aluminum shell battery; and fourthly, the internal resistance is small, the internal resistance of the soft package battery is smaller than that of the lithium battery, the minimum internal resistance of the soft package battery can be below 35m omega, and the self power consumption of the battery is greatly reduced.

Due to the advantages of the soft package battery, the soft package battery is widely applied to various industries. In laminate polymer battery's production manufacture in-process, in order to guarantee laminate polymer battery's sealing performance, need carry out the heat-seal to laminate polymer battery, utilize four sides that the head of heat sealing equipment was aimed at and is pushed down the plastic-aluminum membrane, the realization is to the heat-seal of plastic-aluminum membrane, the benefit of heat-seal lies in can preventing laminate polymer battery's inside electrolyte emergence leakage, and simultaneously, in the battery after can't getting into the heat-seal in the air, because contain moisture in the air, in case inside the air admission, just probably lead to laminate polymer battery's damage, consequently, this process of heat-seal is necessary.

However, the existing heat sealing equipment has the following defects that the heat sealing equipment utilizes the end socket to contact the side edge of the aluminum plastic film, and then the PP layer in the aluminum plastic film is melted by high heat generated by the end socket to realize heat sealing. However, in the process of heating the end socket, the end socket also radiates heat outwards, if the heat radiated by the end socket is absorbed by the aluminum-plastic film at the position of the electric core, the aluminum-plastic film at the position of the electric core is likely to be damaged due to excessive heat absorption, and once the problem occurs, the electric core is exposed due to the damage of the aluminum-plastic film, so that great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing one kind can prevent the head radiation the heat by the aluminium-plastic film absorptive of electric core position department, prevent that the aluminium-plastic film of electric core position department is impaired heat sealing equipment because of absorbing too much heat.

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

a heat-sealing apparatus comprising:

a base;

the battery jig is arranged on the base and used for placing the soft package battery;

the heat sealing device comprises a top driving module, an upper sealing head, a bottom driving module and a lower sealing head, wherein the top driving module is arranged on the base, a driving shaft of the top driving module is connected with the upper sealing head, the bottom driving module is arranged on the base, and a driving shaft of the bottom driving module is connected with the lower sealing head; and

separate and keep off the external member, separate and keep off the external member including adjusting drive module, adjustable partition plate and baffle, adjust drive module set up in on the base, adjust drive module's drive shaft with the adjustable partition plate is connected, the adjustable partition plate is located the below of upper cover, the baffle set up in on the battery jig, the baffle with the adjustable partition plate is aligned.

In one embodiment, the blocking sleeve member further comprises a spring, the spring is sleeved on the driving shaft of the adjusting driving module, one end of the spring abuts against the adjusting driving module, and the other end of the spring abuts against the baffle.

In one embodiment, the lower end socket is provided with two limiting columns, and the two limiting columns are distributed in axial symmetry with the central axis of the lower end socket.

In one embodiment, the battery fixture comprises a base and a plurality of vacuum adsorption plates, the base is arranged on the base, each vacuum adsorption plate is arranged on the base, a gap is arranged between every two adjacent vacuum adsorption plates, each vacuum adsorption plate is provided with a plurality of adsorption holes, and the baffle is positioned on the base.

In one embodiment, the battery fixture further comprises a plurality of reinforcing ribs, one end of each reinforcing rib is connected with the base, and the other end of each reinforcing rib is connected with the baffle.

In one embodiment, a top heat insulation layer is arranged on the movable partition plate, and a bottom heat insulation layer is arranged on the baffle plate.

In one embodiment, the top driving module comprises a top cylinder, a top guide seat and a top guide post, a top guide hole is formed in the upper end enclosure, the top cylinder is arranged on the base, a driving shaft of the top cylinder is connected with the upper end enclosure, the top guide seat is arranged on the base, one end of the top guide post is connected with the top guide seat, and the other end of the top guide post is located in the top guide hole.

In one embodiment, the bottom driving module comprises a bottom cylinder, a bottom guide seat and a bottom guide post, a bottom guide hole is formed in the lower end enclosure, the bottom cylinder is arranged on the base, a driving shaft of the bottom cylinder is connected with the lower end enclosure, the bottom guide seat is arranged on the base, one end of the bottom guide post is connected with the bottom guide seat, and the other end of the bottom guide post is located in the bottom guide hole.

The utility model discloses compare in prior art's advantage and beneficial effect as follows:

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

fig. 2 is a schematic partial structure diagram of a heat sealing apparatus 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 fig. 2, a heat sealing apparatus 10 includes a base 100, a battery fixture 200, a heat sealing device 300, and a barrier assembly 400.

Thus, it should be noted that the base 100 plays a role of bearing; the heat sealing device 300 is used for heat sealing the soft package battery; the barrier sleeve member 400 functions to protect the pouch battery.

Referring to fig. 1, a battery fixture 200 is disposed on a base 100, and the battery fixture 200 is used for placing a pouch battery.

In this way, it should be noted that the battery jig 200 plays a role of placing the pouch battery.

Referring to fig. 1, the heat sealing apparatus 300 includes a top driving module 310, an upper sealing head 320, a bottom driving module 330 and a lower sealing head 340, wherein the top driving module 310 is disposed on the base 100, a driving shaft of the top driving module 310 is connected to the upper sealing head 320, the bottom driving module 330 is disposed on the base 100, and a driving shaft of the bottom driving module 330 is connected to the lower sealing head 340.

So, it should be said that heat-sealing device 300 is used for carrying out the heat-seal to laminate polymer battery, and when needs were to laminate polymer battery, top drive module 310 drive upper cover 320 removed, and bottom drive module 330 drive low head 340 removes, and upper cover 320 and low head 340 are close to each other, and upper cover 320 and low head 340 grasp laminate polymer battery's one of them banding jointly and carry out the heat-seal to it.

Referring to fig. 2, the blocking kit 400 includes an adjustment driving module 410, a movable partition 420 and a baffle 430, the adjustment driving module 410 is disposed on the base 100, a driving shaft of the adjustment driving module 410 is connected to the movable partition 420, the movable partition 420 is located below the upper end enclosure, the baffle 430 is disposed on the battery fixture 200, and the baffle 430 is aligned with the movable partition 420.

So, it should be noted that, before need carries out the heat-seal to laminate polymer battery, it can drive movable partition 420 and move towards the direction that is close to baffle 430 to adjust drive module 410, movable partition 420 and the common aluminium-plastic membrane of centre gripping near electric core position department of baffle 430, then sealing device 300 restarts work, because utilize movable partition 420 and baffle 430 closure to form a barrier structure before the heat-seal, the heat that upper head 320 and low head 340 radiated out is separated by movable partition 420 and baffle 430, the aluminium-plastic membrane that can the near position department of greatly reduced electric core absorbs the heat that the radiation came out, prevent effectively that the aluminium-plastic membrane of electric core position department from being damaged because of absorbing too much heat.

Further, referring to fig. 2 again, in an embodiment, the blocking sleeve 400 further includes a spring 440, the spring 440 is sleeved on the driving shaft of the adjusting driving module 410, one end of the spring 440 abuts against the adjusting driving module 410, and the other end of the spring 440 abuts against the blocking plate 430.

So, it should be noted that, the spring 440 plays a role of buffering, and when the movable partition plate 420 is prevented from clamping the aluminum-plastic film at the electric core position, the spring 440 can reduce the acting force of the movable partition plate 420 on the aluminum-plastic film at the electric core position, and prevent the aluminum-plastic film at the electric core position from being crushed.

Further, referring to fig. 2 again, in an embodiment, two limiting columns 341 are disposed on the lower end enclosure 340, and the two limiting columns 341 are axially symmetrically distributed on the central axis of the lower end enclosure 340.

So, it should be noted that, the setting of two spacing posts 341 can play spacing effect, prevents that upper cover 320 and low head 340 from excessively closing and crushing plastic-aluminum membrane, plays the effect of protection laminate polymer battery.

Further, referring to fig. 1 again, in an embodiment, the battery fixture 200 includes a base 210 and a plurality of vacuum absorption plates 220, the base 210 is disposed on the substrate 100, each vacuum absorption plate 220 is disposed on the base 210, an interval is disposed between two adjacent vacuum absorption plates 220, each vacuum absorption plate 220 is provided with a plurality of absorption holes 221, and the baffle 430 is located on the base 210.

Thus, it should be noted that the base 210 plays a role of bearing; all seted up a plurality of absorption holes 221 on a plurality of vacuum adsorption plates 220, outside vacuum adsorption equipment is connected to each absorption hole 221, and laminate polymer battery places on a plurality of vacuum adsorption plates 220, and vacuum adsorption equipment can carry out the evacuation operation, and laminate polymer battery can place well on battery tool 200.

Further, referring to fig. 2 again, in an embodiment, the battery fixture 200 further includes a plurality of reinforcing ribs 230, one end of each reinforcing rib 230 is connected to the base 210, and the other end of each reinforcing rib 230 is connected to the baffle 430.

Thus, it should be noted that the plurality of reinforcing ribs 230 are provided to improve the overall mechanical strength of the baffle 430 and prevent the baffle 430 from being damaged.

Further, referring to fig. 2 again, in one embodiment, the movable partition 420 is provided with a top thermal insulation layer 421, and the baffle 430 is provided with a bottom thermal insulation layer 431.

In this way, it should be noted that the arrangement of the top heat insulation layer 421 and the bottom heat insulation layer 431 can play a role of heat insulation, and further prevent heat radiated from the upper end enclosure 320 and the lower end enclosure 340 from being transferred to the aluminum-plastic film at the position of the cell.

Further, referring to fig. 1 again, in an embodiment, the top driving module 310 includes a top cylinder 311, a top guide seat 312 and a top guide post 313, the top head 320 has a top guide hole, the top cylinder 311 is disposed on the base 100, a driving shaft of the top cylinder 311 is connected to the top head 320, the top guide seat 312 is disposed on the base 100, one end of the top guide post 313 is connected to the top guide seat 312, and the other end of the top guide post 313 is located in the top guide hole.

As such, it should be noted that the top cylinder 311 is used to generate power; the top guide posts 313 serve as guides to allow the upper head 320 to move more stably and rapidly, thereby improving heat sealing efficiency to a certain extent.

Further, in an embodiment, the bottom driving module 330 includes a bottom cylinder, a bottom guide seat and a bottom guide post, a bottom guide hole is formed in the lower end enclosure 340, the bottom cylinder is disposed on the base 100, a driving shaft of the bottom cylinder is connected to the lower end enclosure 340, the bottom guide seat is disposed on the base 100, one end of the bottom guide post is connected to the bottom guide seat, and the other end of the bottom guide post is located in the bottom guide hole.

Thus, it should be noted that the bottom cylinder is used to generate power; the bottom guide post plays the effect of direction, lets low head 340 can move ground more steadily and fast, can improve heat-seal efficiency to a certain extent.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more 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 heat-sealing apparatus, comprising:

a base;

2. The heat sealing device according to claim 1, wherein the blocking sleeve further comprises a spring, the spring is sleeved on the driving shaft of the adjusting driving module, one end of the spring abuts against the adjusting driving module, and the other end of the spring abuts against the blocking plate.

3. The heat sealing equipment as claimed in claim 1, wherein the lower sealing head is provided with two limiting columns, and the two limiting columns are axially symmetrically distributed around the central axis of the lower sealing head.

4. The heat sealing device according to claim 1, wherein the battery fixture includes a base and a plurality of vacuum absorption plates, the base is disposed on the base, each vacuum absorption plate is disposed on the base, a space is disposed between two adjacent vacuum absorption plates, each vacuum absorption plate is provided with a plurality of absorption holes, and the baffle is disposed on the base.

5. The heat sealing equipment according to claim 4, wherein the battery jig further comprises a plurality of reinforcing ribs, one end of each reinforcing rib is connected with the base, and the other end of each reinforcing rib is connected with the baffle.

6. The heat sealing apparatus according to claim 1, wherein a top heat insulating layer is provided on the movable partition, and a bottom heat insulating layer is provided on the baffle.

7. The heat sealing equipment according to claim 1, wherein the top driving module comprises a top cylinder, a top guide seat and a top guide post, a top guide hole is formed in the upper sealing head, the top cylinder is arranged on the base, a driving shaft of the top cylinder is connected with the upper sealing head, the top guide seat is arranged on the base, one end of the top guide post is connected with the top guide seat, and the other end of the top guide post is located in the top guide hole.

8. The heat sealing equipment according to claim 1, wherein the bottom driving module comprises a bottom cylinder, a bottom guide seat and a bottom guide post, a bottom guide hole is formed in the lower head, the bottom cylinder is arranged on the base, a driving shaft of the bottom cylinder is connected with the lower head, the bottom guide seat is arranged on the base, one end of the bottom guide post is connected with the bottom guide seat, and the other end of the bottom guide post is located in the bottom guide hole.