CN215955349U

CN215955349U - Production line for thermally compounding battery cores

Info

Publication number: CN215955349U
Application number: CN202122345355.2U
Authority: CN
Inventors: 顾振平; 宋昀阳; 邓粤峰; 管立阳
Original assignee: Jiangyin Gelian Intelligent Technology Co ltd
Current assignee: Jiangsu Yunan Intelligent Technology Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-03-04
Anticipated expiration: 2031-09-27

Abstract

The utility model relates to a production line for thermal compounding of a battery cell, which comprises a thermal compounding front transportation assembly, a thermal compounding rear transportation assembly and an isolation membrane assembly, wherein the thermal compounding front transportation assembly comprises a manipulator, the manipulator is provided with a material taking clamping jaw capable of being turned 180 degrees, the material taking clamping jaw conveys a product to be thermally compounded and the isolation membrane assembly to the thermal compounding assembly, the thermal compounding rear transportation assembly comprises a material taking clamp, the material taking clamp is used for clamping the isolation membrane assembly and the thermally compounded product from a thermal compounding station of the thermal compounding assembly, and the material taking clamp conveys the product to the next station. The utility model realizes automatic continuous production, avoids indentation after the electric core is thermally compounded, has no offset in product transportation before and after thermal compounding, improves the transportation safety and improves the qualification rate of finished products.

Description

Production line for thermally compounding battery cores

Technical Field

The utility model relates to the technical field of lithium battery production equipment, in particular to a production line for thermal compounding of battery cores.

Background

The lithium battery industry carries out hot pressing plastic to electric core through thermal compound (hot pressing) technology, heats and bonds diaphragm, positive plate, negative plate between the polar plate, makes electric core compact, and electric core thickness is unanimous, improves dress core qualification rate, improves electric core usable floor area's electrified volume.

There are multiple modes to the thermal recombination of electricity core in the existing market: the first is to make a design of avoiding gap on the hot composite board of the hot compound machine to realize clamping and conveying of the product by the clamping jaw; the second is to transport the product to the thermal compound machine by blocking the product to enable the jaws to exit the thermal compound machine; the third is to realize the transportation of the battery core to the thermal compound machine by adsorbing the surface diaphragm; and the fourth method is to transport the battery cell by matching the conveyor belt with the conveyor belt.

These structures suffer from the following drawbacks: the existence of the first gap causes a gap to exist in a plane of thermal compounding (hot pressing), so that the product has the problems of uneven heating, indentation and the like after thermal compounding; the second structure for preventing the product from being drawn away and clamped enables the product to be subjected to relative friction force and blocking pressure, and the product falls on a thermal composite plane in the process of drawing away and after drawing away, so that the product generates relative displacement, external force action and other influences; the third type adsorbs the surface diaphragm, so that the diaphragm generates deformation, wrinkles and other problems, and the inside of the battery cell is damaged due to relative friction caused by uneven stress; in the fourth situation, the start and stop of the conveyor belt affects the alignment degree of the battery cell, and the battery cell has a risk of a dropping collision machine due to the gap between the conveyor belt and the conveyor belt.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects and provides a production line for thermally compounding a battery cell, which can effectively solve the problems that the battery cell deviates due to the problems in transportation, and the thermally compounded upper and lower pressing surfaces are leveling surfaces, so that no notch or the like can generate indentation; automatic continuous production is realized, indentation is avoided after the electric core is thermally compounded, no offset exists in product transportation before and after thermal compounding, the transportation safety is improved, and the qualified rate of finished products is improved.

The purpose of the utility model is realized as follows:

the utility model provides a production line of electric core thermal recombination, includes transportation subassembly, thermal recombination subassembly, transportation subassembly and isolation membrane module after thermal recombination before the thermal recombination, transportation subassembly includes the manipulator before the thermal recombination, the manipulator is equipped with the material clamping jaw that gets that can 180 upsets, gets the material clamping jaw and will treat thermal recombination's product and isolation membrane module and carry to the thermal recombination subassembly, transportation subassembly is including getting the material anchor clamps after the thermal recombination, get the material anchor clamps and be used for getting isolation membrane module and the good product of thermal recombination from the thermal recombination station clamp of thermal recombination subassembly, get the material anchor clamps and carry the product to next station.

Preferably, the isolation diaphragm assembly comprises a first isolation diaphragm and two isolation diaphragm clamping plates, and the two isolation diaphragm clamping plates clamp two ends of the first isolation diaphragm.

Preferably, the thermal composite assembly comprises an upper pressing surface, a lower pressing surface and a pressing cylinder group, the upper pressing surface is matched with the lower pressing surface, the pressing cylinder group is arranged on two sides of the upper pressing surface and the lower pressing surface, a second isolating membrane is fixedly arranged on the upper pressing surface, the isolating membrane assembly is arranged above the lower pressing surface, the pressing cylinder group comprises an upper pressing cylinder and a lower pressing cylinder, and an isolating membrane clamping plate of the isolating membrane assembly is pressed up and down through the upper pressing cylinder and the lower pressing cylinder.

Preferably, get the material clamping jaw and include the connecting seat, the both ends of connecting seat are equipped with the first clamping jaw that is used for centre gripping barrier film splint respectively, the centre of connecting seat is equipped with the second clamping jaw, a clamping piece subassembly is connected to one side single claw in the upper and lower side of second clamping jaw, the second clamping jaw through the first barrier film of clamping piece subassembly centre gripping that the longitudinal symmetry set up and treat the hot complex product.

Preferably, the clamping piece subassembly includes connecting plate and first clamping piece, the homonymy single claw in the upper and lower side of second clamping jaw is connected to the connecting plate, a plurality of first clamping pieces are connected to the connecting plate, and a plurality of first clamping pieces interval equipartition.

Preferably, the material taking fixture comprises a bottom plate, a third linear module, a fourth linear module, a third clamping jaw, a fourth clamping jaw, a lifting cylinder and a tensioning cylinder, wherein the bottom plate is connected with a sliding seat of the second linear module, the third linear module is symmetrically arranged at two ends of the bottom plate, and the fourth linear module is arranged in the middle of the bottom plate.

Preferably, the third straight line module is fixed on the second mounting panel, be equipped with linear slide rail on the bottom plate, the second mounting panel corresponds linear slide rail and is equipped with the spout, linear slide rail is unanimous with the moving direction of tensioning cylinder, the tensioning cylinder is fixed on the bottom plate, the tensioning cylinder is located the inboard of second mounting panel, the second mounting panel is connected to the telescopic link of tensioning cylinder.

Preferably, the slide of the third straight line module is provided with a third clamping jaw, the third clamping jaw clamps an isolation membrane clamping plate of the isolation membrane module, the slide of the fourth straight line module is connected with a lifting cylinder, a telescopic rod of the lifting cylinder is connected with a fourth clamping jaw, and the fourth clamping jaw clamps the first isolation membrane and a product which is thermally compounded on the first isolation membrane.

Preferably, the single claw of the fourth clamping jaw is connected with the second clamping piece, and the middle part of the first isolation film and the heat-compounded product on the first isolation film is clamped up and down through the second clamping piece.

Preferably, the isolating membrane clamping plate is provided with a first clamping point A, a second clamping point B and a third clamping point C.

The utility model has the beneficial effects that:

the utility model can effectively solve the problem that the battery core is deviated due to various problems during transportation, adopts the isolation membrane assembly as a transportation tool of products, adopts the thermal composite upper and lower pressing surfaces as leveling surfaces, and has no problem of indentation caused by gaps and the like; automatic continuous production is realized, indentation is avoided after the electric core is thermally compounded, no offset exists in product transportation before and after thermal compounding, the transportation safety is improved, and the qualified rate of finished products is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a transport assembly prior to thermal compounding.

Fig. 3 is a schematic view of a product gripped by a take out jaw.

Fig. 4 is a schematic view of the take-off jaw in an un-inverted configuration (with the product below the first release film).

Figure 5 is a schematic view of the take-off jaw flipped 180 (with the product above the first release film).

FIG. 6 is a schematic structural view of a thermal composite assembly.

FIG. 7 is a schematic structural view of the transport assembly after thermal compounding.

Fig. 8 is a schematic structural view of the material taking clamp being conveyed to the next station.

Fig. 9 is a schematic structural view of the material taking clamp in fig. 7.

Fig. 10 is a schematic structural view of the material taking jig in fig. 8.

FIG. 11 is a schematic view of the structure of an isolation membrane module.

Wherein: a thermal composite component 1; pressing the surface 1.1; pressing the surface 1.2; an upper pressing cylinder 1.3; a lower hold-down cylinder 1.4; a second separator film 1.5;

a material taking clamping jaw 2; a connecting seat 2.1; a first jaw 2.2; a second jaw 2.3; a clip assembly 2.4; a connecting plate 2.4.1; a first clip 2.4.2;

a material loading platform 3; an isolation membrane module 4; a first separator film 4.1; an isolation diaphragm clamping plate 4.2; product 5; a first linear module 6; a material taking clamp 7; a second linear module 8;

a material taking clamp 7; a bottom plate 7.1; a third linear module 7.2; a fourth linear module 7.3; a third jaw 7.4; a fourth jaw 7.5; a lifting cylinder 7.6; a tensioning cylinder 7.7; a linear slide rail 7.8; a first mounting plate 7.9; a second mounting plate 7.10; a chute 7.11; a second jaw 7.12.

Detailed Description

Referring to fig. 1-11, the utility model relates to a production line for thermally compounding battery cells, which comprises a pre-thermal compounding transportation assembly, a thermal compounding assembly 1, a post-thermal compounding transportation assembly and an isolation membrane assembly 4, wherein the pre-thermal compounding transportation assembly and the post-thermal compounding transportation assembly are positioned on two sides or the same side of the thermal compounding assembly 1, the pre-thermal compounding transportation assembly comprises a manipulator and a material loading platform 3, the manipulator is provided with a material taking clamping jaw 2, the material loading platform 3 is used for placing a product 5 to be thermally compounded, the material loading platform 3 is conveyed from the previous station by a first linear module 6, the material taking clamping jaw 2 conveys the product 5 to be thermally compounded and the isolation membrane assembly 4 to the thermal compounding assembly 1,

the post-thermal compounding transportation assembly comprises a material taking clamp 7 and a second linear module 8, the material taking clamp 7 is used for clamping the isolation membrane assembly 4 and the thermally compounded product 5 from a thermal compounding station of the thermal compounding assembly 1, and the material taking clamp 7 is conveyed to the next station by the second linear module 8.

The isolation membrane component 4 comprises a first isolation membrane 4.1 and two isolation membrane clamping plates 4.2, the two isolation membrane clamping plates 4.2 clamp two ends of the first isolation membrane,

the thermal composite component 1 comprises an upper pressing surface 1.1, a lower pressing surface 1.2 and a pressing cylinder group, wherein the upper pressing surface 1.1 is matched with the lower pressing surface 1.2, the pressing cylinder group is arranged on two sides of the upper pressing surface 1.1 and the lower pressing surface 1.2, a second isolating membrane 1.5 is fixedly arranged on the upper pressing surface 1.1, an isolating membrane component 4 is arranged above the lower pressing surface 1.2, the pressing cylinder group comprises an upper pressing cylinder 1.3 and a lower pressing cylinder 1.4, and an isolating membrane clamping plate 4.2 of the isolating membrane component 4 is vertically pressed through the upper pressing cylinder 1.3 and the lower pressing cylinder 1.4.

The material taking clamping jaw 2 comprises a connecting seat 2.1, two ends of the connecting seat 2.1 are respectively provided with a first clamping jaw 2.2 used for clamping an isolating membrane clamping plate 4.2, the middle of the connecting seat 2.1 is provided with a second clamping jaw 2.3, one side of the upper side and the lower side of the second clamping jaw 2.3 is connected with a clamping piece component 2.4 by a single claw, the second clamping jaw 2.3 simultaneously clamps a first isolation film 4.1 and a product 5 to be thermally compounded through the clamping piece components 2.4 which are symmetrically arranged up and down, the second clamping jaw 2.3 fixes the product to prevent the product from falling off when the material taking clamping jaw 2 transports the product and turns over for 180 degrees, the clamping piece component 2.4 comprises a connecting plate 2.4.1 and a first clamping piece 2.4.2, the connecting plate 2.4.1 is connected with a single claw at the same side of the upper side and the lower side of the second clamping jaw 2.3, the connecting plate 2.4.1 is connected a plurality of first clamping pieces 2.4.2, a plurality of first clamping pieces 2.4.2 interval equipartitions, and first clamping piece 2.4.2 prevents to get material clamping jaw 5 production offset in the upset process.

The material taking clamp 7 comprises a bottom plate 7.1, a third linear module 7.2, a fourth linear module 7.3, a third clamping jaw 7.4, a fourth clamping jaw 7.5, a lifting cylinder 7.6 and a tensioning cylinder 7.7, wherein the bottom plate 7.1 is connected with a sliding seat of the second linear module 8, the third linear module 7.2 is symmetrically arranged at two ends of the bottom plate 7.1, the fourth linear module 7.3 is fixed on the middle of the bottom plate 7.1 through a first mounting plate 7.9, the fourth linear module 7.3 is parallel to the third linear module 7.2, the third linear module 7.2 is fixed on a second mounting plate 7.10, a linear slide rail 7.8 is arranged on the bottom plate 7.1, a sliding groove 7.11 is arranged on the second mounting plate 7.10 corresponding to the linear slide rail 7.8, a third clamping jaw 7.4 is arranged on the sliding seat of the third linear module 7.4, the fourth linear module 7.3 is connected with the lifting cylinder 7.6, and a telescopic rod of the lifting cylinder 7.5 is connected with the lifting cylinder 7.7, the good product 5 of heat recombination on the first barrier film 4.1 of fourth clamping jaw 7.5 centre gripping and the first barrier film 4.1, second clamping piece 7.12 is connected to the single claw of fourth clamping jaw 7.5, and the middle part of the good product 5 of heat recombination on the first barrier film 4.1 of centre gripping and the first barrier film 4.1 about through second clamping piece 7.12, tensioning cylinder 7.7 is fixed on bottom plate 7.1, tensioning cylinder 7.7 is located the inboard of second mounting panel 7.10, second mounting panel 7.10 is connected to tensioning cylinder 7.7's telescopic link, and the distance between two third clamping jaws 7.4 is adjusted through tensioning cylinder 7.7's telescopic link is flexible to the elasticity of control first barrier film 4.1.

And a first clamping point A, a second clamping point B and a third clamping point C are arranged on the isolating membrane clamping plate 4.2.

When the pre-thermal compounding transport assembly and the post-thermal compounding transport assembly are located on both sides of the thermal compounding assembly 1, the first clamping jaw 2.2 of the material taking clamping jaw 2 is clamped at a first clamping point a, the pressing cylinder group is pressed at a second clamping point B, and the third clamping jaw 7.4 of the material taking clamping device 7 is clamped at a third clamping point C. The clamping sequence of the isolating membrane clamping plates is as follows: in the initial state, the pressing cylinder group clamps the second clamping point B → the material taking and feeding state, the material taking clamping jaw 2 clamps the first clamping point a → the heat compounding state, and after the pressing cylinder group clamps the second clamping point B → the heat compounding, the material taking clamping jaw clamps the third clamping point C → returns to the initial state, and the pressing cylinder group clamps the second clamping point B.

When the transport assembly before and after thermal compounding is located on the same side of the thermal compounding assembly 1, the first clamping jaw 2.2 of the material taking clamping jaw 2 is clamped at a first clamping point a, the compressing cylinder group is compressed at a second clamping point B, and the third clamping jaw 7.4 of the material taking clamping jaw 7 is clamped at the first clamping point a. The clamping sequence of the isolating membrane clamping plates is as follows: in the initial state, the pressing cylinder group clamps the second clamping point B → the material taking and feeding state, the material taking clamping jaw 2 clamps the first clamping point a → the heat compounding state, and after the pressing cylinder group clamps the second clamping point B → the heat compounding, the material taking clamping jaw clamps the first clamping point a → returns to the initial state, and the pressing cylinder group clamps the second clamping point B.

A production process for thermal compounding of battery cells comprises the following steps:

the method comprises the following steps:

s1, the first clamping jaw of the material taking clamping jaw 2 clamps the isolation membrane assembly from the thermal compounding assembly 1, the isolation membrane assembly is placed above a product 5 to be thermally compounded, and the second clamping jaw clamps the first isolation membrane and the product 5 to be thermally compounded below the first isolation membrane; if the isolating membrane clamping plate is positioned on a single side (the clamping point is on the single side), the material taking clamping jaw 2 clamps the isolating membrane component, then turns over 180 degrees and then is placed above a product 5, and the first clamping jaw of the material taking clamping jaw is ensured to correspond to the clamping point; if the isolating membrane clamping plate is positioned on two sides (clamping points are on two sides), the material taking clamping jaw does not need to be turned for 180 degrees in the step;

s2, after the material taking clamping jaw is withdrawn from the material taking position, the material taking clamping jaw rotates 180 degrees, and a product to be thermally compounded is positioned above the first isolation film;

s3, conveying the first isolation film and the product 5 on the first isolation film to a thermal compounding station of the thermal compounding assembly by using a material taking clamping jaw, clamping the isolation film clamping plate by using a pressing cylinder group, returning the material taking clamping jaw to the original position, and thermally compounding the product 5 by using the thermal compounding assembly, wherein the product is positioned between the first isolation film and the second isolation film;

s4, after thermal compounding, the material taking clamp 7 of the transportation assembly goes to a thermal compounding station after thermal compounding, the third clamping jaw clamps the isolation film clamping plate, the fourth clamping jaw clamps the product and the first isolation film, and the product 5 is conveyed to the next station. When the material taking clamp 7 reaches the next station, the lifting cylinder extends, the fourth clamping jaw drives the middle parts of the product and the first isolation film to be upwards supported, the tensioning cylinder contracts in a follow-up manner, the first isolation film is in a loose state, gaps are formed between the two ends of the product and the two ends of the first isolation film, and the clamp at the next station directly clamps the two ends of the product 5; and after the product 5 is taken away, the lifting cylinder retreats to the original position, the fourth clamping jaw is loosened, the tensioning cylinder extends, the first isolation film is in a tight state, the tight first isolation film is conveyed to the thermal composite assembly and is pressed by the pressing cylinder group, and the material taking clamping jaw is waited to take the material for the next clamping.

In addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a production line of electricity core thermal recombination which characterized in that: transport subassembly, thermal compound subassembly (1), thermal compound back transport subassembly and isolation membrane subassembly (4) before thermal compound, transport subassembly includes the manipulator before thermal compound, the manipulator is equipped with can 180 upsets get material clamping jaw (2), gets material clamping jaw (2) and will treat thermal compound product (5) and isolation membrane subassembly (4) and carry to thermal compound subassembly (1), transport subassembly is including getting material anchor clamps (7) after thermal compound, get material anchor clamps (7) and be used for getting isolation membrane subassembly (4) and thermal compound good product (5) from the thermal compound station clamp of thermal compound subassembly (1), get material anchor clamps (7) and carry the product to next station.

2. The production line of claim 1, which is characterized in that: the isolation membrane assembly (4) comprises a first isolation membrane (4.1) and two isolation membrane clamping plates (4.2), and the two ends of the first isolation membrane are clamped by the two isolation membrane clamping plates (4.2).

3. The production line of claim 2, which is characterized in that: the thermal composite component (1) comprises an upper pressing surface (1.1), a lower pressing surface (1.2) and a pressing cylinder group, wherein the upper pressing surface (1.1) is matched with the lower pressing surface (1.2), the pressing cylinder group is arranged on two sides of the upper pressing surface (1.1) and the lower pressing surface (1.2), a second isolating membrane (1.5) is fixedly arranged on the upper pressing surface (1.1), an isolating membrane component (4) is arranged above the lower pressing surface (1.2), the pressing cylinder group comprises an upper pressing cylinder (1.3) and a lower pressing cylinder (1.4), and an isolating membrane clamping plate (4.2) of the isolating membrane component (4) is pressed up and down through the upper pressing cylinder (1.3) and the lower pressing cylinder (1.4).

4. The production line of claim 2, which is characterized in that: get material clamping jaw (2) including connecting seat (2.1), the both ends of connecting seat (2.1) are equipped with first clamping jaw (2.2) that are used for centre gripping barrier film splint (4.2) respectively, the centre of connecting seat (2.1) is equipped with second clamping jaw (2.3), a clamping piece subassembly (2.4) is connected to one side single claw in the last downside of second clamping jaw (2.3), and second clamping jaw (2.3) are through the first barrier film of clamping piece subassembly (2.4) centre gripping (4.1) that the longitudinal symmetry set up and treat heat recombination product (5).

5. The production line of claim 4, which is characterized in that: clamping piece subassembly (2.4) are including connecting plate (2.4.1) and first clamping piece (2.4.2), homonymy single claw in the last downside of second clamping jaw (2.3) is connected in connecting plate (2.4.1), a plurality of first clamping pieces (2.4.2), a plurality of first clamping piece (2.4.2) interval equipartitions are connected in connecting plate (2.4.1).

6. The production line of claim 1, which is characterized in that: get material anchor clamps (7) and include bottom plate (7.1), third straight line module (7.2), fourth straight line module (7.3), third clamping jaw (7.4), fourth clamping jaw (7.5), lift cylinder (7.6) and tensioning cylinder (7.7), the slide of second straight line module (8) is connected in bottom plate (7.1), and third straight line module (7.2) symmetry sets up the both ends at bottom plate (7.1), and fourth straight line module (7.3) is established in the middle of bottom plate (7.1).

7. The production line of claim 6, which is characterized in that: third straight line module (7.2) is fixed on second mounting panel (7.10), be equipped with linear slide rail (7.8) on bottom plate (7.1), second mounting panel (7.10) are equipped with spout (7.11) corresponding linear slide rail (7.8), linear slide rail (7.8) are unanimous with the moving direction of tensioning cylinder (7.7), tensioning cylinder (7.7) are fixed on bottom plate (7.1), tensioning cylinder (7.7) are located the inboard of second mounting panel (7.10), second mounting panel (7.10) are connected to the telescopic link of tensioning cylinder (7.7).

8. The production line of claim 6, which is characterized in that: the slide of third straight line module (7.2) is equipped with third clamping jaw (7.4), isolating diaphragm splint (4.2) of third clamping jaw (7.4) centre gripping isolating diaphragm subassembly (4), lift cylinder (7.6) is connected to the slide of fourth straight line module (7.3), fourth clamping jaw (7.5) is connected to the telescopic link of lift cylinder (7.6), the good product of heat recombination (5) on first isolating diaphragm (4.1) of fourth clamping jaw (7.5) centre gripping and first isolating diaphragm (4.1).

9. The production line of claim 8, which is characterized in that: and a single claw of the fourth clamping jaw (7.5) is connected with the second clamping piece (7.12), and the middle parts of the first isolation film (4.1) and the thermally compounded product (5) on the first isolation film (4.1) are clamped up and down through the second clamping piece (7.12).

10. The production line of claim 2, which is characterized in that: and a first clamping point A, a second clamping point B and a third clamping point C are arranged on the isolating membrane clamping plate (4.2).