CN113659250A

CN113659250A - Automatic packaging machine

Info

Publication number: CN113659250A
Application number: CN202110859457.8A
Authority: CN
Inventors: 谢思良; 戴建勇; 曾贤华
Original assignee: Huizhou Everpower Technology Co ltd
Current assignee: Huizhou Everpower Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-11-16
Anticipated expiration: 2041-07-28
Also published as: CN113659250B

Abstract

An automatic packaging machine comprises a heat sealing mechanism, a battery cell transferring module and two material loading clamps. The heat sealing mechanism comprises a bracket and two hot pressing pieces, the two hot pressing pieces are respectively arranged on two opposite side surfaces of the bracket, and a heat sealing area is arranged between the two hot pressing pieces; the cell transferring module comprises a rotary driving piece and a rotary table, the rotary table is mounted on the rotary driving piece, two ends of the rotary table are respectively provided with a swing arm, and the rotary driving piece is used for driving the two swing arms to alternately enter a heat sealing area; two material loading clamps are respectively arranged on the two swing arms. Through rotary driving piece and revolving stage cooperation, convert the pan feeding mode of soft-packaged electrical core into intermittent type rotary motion by straight reciprocating motion, in two swing arms on the revolving stage got into the heat-seal region in turn, increase the position of bearing soft-packaged electrical core for shift electric core and stagger the opportunity to electric core encapsulation, and then reduce the stand-by time of transportation electric core in-process hot pressing spare, improved the encapsulation efficiency of electric core promptly, avoided the waste of electric energy again.

Description

Automatic packaging machine

Technical Field

The invention relates to the field of battery processing, in particular to an automatic packaging machine.

Background

As shown in fig. 1, the tabs 21 of the soft-package battery cell 20 are distributed at two ends of the battery cell main body 22, and in order to ensure the packaging accuracy, two ends of the battery cell main body 22 need to be pressed simultaneously by a hot-press head during packaging, so as to heat-seal the aluminum-plastic film at the position. For satisfying the encapsulation demand, adopt linear electric motor to carry on the hot pressing to two hot pressing head departments that the symmetry set up with the anchor clamps translation of soft-packaged electrical core 20 of bear weight of among the current encapsulation equipment, the soft-packaged electrical core 20 that drives the completion hot pressing by linear electric motor returns on its own way again, this process need provide enough space and let linear electric motor come and go and get material point and hot pressing head operating position, need occupy great space, and linear electric motor comes and goes the process hot pressing head and all is in standby state, the heat pipe still circular telegram under the standby state, when carrying out big batch, when long time production, there is the problem of wasting the electric energy.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides the automatic packaging machine with high packaging efficiency and long standby time.

The purpose of the invention is realized by the following technical scheme:

an automatic packaging machine comprising: the battery cell transferring device comprises a heat sealing mechanism, a battery cell transferring module and two material loading clamps;

the heat sealing mechanism comprises a support and two hot pressing pieces, the two hot pressing pieces are respectively arranged on two opposite side surfaces of the support, and a heat sealing area is arranged between the two hot pressing pieces;

the battery cell transferring module comprises a rotary driving piece and a rotary table, the rotary table is mounted on the rotary driving piece, two ends of the rotary table are respectively provided with a swing arm, one swing arm is located in the heat sealing area, and the rotary driving piece is used for driving the two swing arms to alternately enter the heat sealing area;

two material loading clamps are respectively arranged on the two swing arms, and each material loading clamp is used for bearing a soft package battery cell to be packaged.

In one embodiment, the hot pressing part comprises a hot pressing head and a cushion block, the cushion block is mounted on the bottom surface of the bracket, and the hot pressing head is positioned right above the cushion block.

In one embodiment, the hot pressing head comprises a fixing plate, a heating plate and an encapsulating piece, the heating plate is arranged on the fixing plate, the encapsulating piece is arranged on one side, away from the fixing plate, of the heating plate, and the heating plate is used for heating the encapsulating piece.

In one embodiment, the thickness of the encapsulating sheet decreases from a side close to the heating plate to a side away from the heating plate.

In one embodiment, the package sheet is provided with an extension part, and the extension part is arranged towards the cushion block.

In one embodiment, a sliding sheet, a stop block and a limit hook are arranged on the heating plate, a clamping block matched with the limit hook is arranged on the outer wall of the packaging sheet, the clamping block is arranged in the limit hook in a sliding mode, the sliding sheet and the stop block are respectively located at two ends of the limit hook, the stop block is abutted to the outer wall of the packaging sheet, the sliding sheet is arranged at the edge of the heating plate in a sliding mode, and the sliding sheet slides along the outer wall of the heating plate so that the sliding sheet is in contact with or separated from the outer wall of the packaging sheet.

In one embodiment, the support comprises two side plates and a support plate for connecting the two side plates, and the two hot pressing heads are correspondingly arranged on the two side plates.

In one embodiment, each side plate is provided with a pressing cylinder, a coupler and a guide rail, two ends of the coupler are respectively connected with the pressing cylinder and the hot pressing head, the guide rail is connected with the hot pressing head, and the pressing cylinder is used for pushing the hot pressing head to be close to or far away from the cushion block along the guide rail.

In one embodiment, each side plate is provided with an avoiding opening, and the two avoiding openings are positioned on the rotating track of the rotating table.

In one embodiment, the cell transfer module further comprises a lifting frame, and the rotary driving member is installed on the lifting frame.

Compared with the prior art, the invention has at least the following advantages:

above-mentioned automatic packaging machine passes through the cooperation of rotary driving piece and revolving stage, converts the pan feeding mode of soft-packaged electrical core into intermittent type rotary motion by straight reciprocating motion, and two swing arms on the revolving stage are in the heat-seal region of getting into in turn, increase the position that bears soft-packaged electrical core for shift electric core and stagger the opportunity to electric core encapsulation, and then reduce the stand-by time of hot casting die in the transportation electric core process, improved the encapsulation efficiency of electric core promptly, avoided the waste of electric energy again.

Drawings

The above and other aspects, features and advantages of certain exemplary embodiments of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of a soft-package battery cell;

FIG. 2 is a schematic structural diagram of an automatic packaging machine according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a thermal head according to an embodiment of the present invention;

FIG. 4 is a schematic view of a heat-sealing mechanism according to an embodiment of the present invention;

fig. 5 is a schematic diagram illustrating a cell transfer module and a loading fixture according to an embodiment of the present invention;

FIG. 6 is an exploded view of a loading fixture in accordance with an embodiment of the present invention;

FIG. 7 is a top view of a base in an embodiment of the present invention;

FIG. 8 is an internal structural view of the base in an initial state in cooperation with the swing arm;

fig. 9 is an internal structural view of the base and the swing arm when the locked state is released.

Reference numerals:

the automatic packaging machine 10, the heat sealing mechanism 11, the cell transfer module 12, the material loading clamp 13, the soft packaging cell 20, the tab 21, the cell main body 22, the support 100, the side plate 110, the downward pressing cylinder 111, the coupler 112, the guide rail 113, the avoiding port 114, the support plate 120, the hot pressing part 200, the hot pressing head 210, the fixing plate 211, the heating plate 212, the sliding piece 212a, the stop block 212b, the limit hook 212c, the packaging piece 213, the extension part 214, the cushion block 220, the rotary driving piece 300, the rotary table 400, the swing arm 410, the hinge base 411, the boss 412, the starting end 412a, the stopping end 412b, the lifting frame 500, the base 610, the positioning groove 611, the holding clamp 620, the fastening block 630, the magnetic block 710 and the insert 720

Detailed Description

Referring to fig. 2, an automatic packaging machine 10 includes: heat-seal mechanism 11, electric core shift module 12 and two carry material anchor clamps 13, carry material anchor clamps 13 and be used for bearing the soft-packaged electrical core 20 of treating the encapsulation, provide the location for soft-packaged electrical core 20, electric core shifts module 12 and carries material anchor clamps 13 with two and send to heat-seal mechanism 11 in turn, encapsulate soft-packaged electrical core by heat-seal mechanism 11, replace original linear electric motor driven formula pan feeding structure that comes and goes with the rotation type pay-off, the transfer efficiency of electric core has been improved, it is long when having reduced the standby of heat-seal mechanism 11.

Referring to fig. 2 and 4, the heat sealing mechanism 11 includes a support 100 and two heat pressing members 200, the two heat pressing members 200 are respectively disposed on two opposite side surfaces of the support 100, a heat sealing area is disposed between the two heat pressing members 200, the heat sealing area is a position where the battery cell is heat sealed, and the two heat pressing members 200 are distributed in a mirror image manner with the heat sealing area as a center, so that when the soft package battery cell 20 with package is transferred to the heat sealing area, two tabs 21 on the soft package battery cell 20 respectively face the two heat pressing members 200, and the heat sealing operation can be performed on two ends of the soft package battery cell 20 at the same time.

Referring to fig. 2, the cell transferring module 12 includes a rotary driving member 300 and a turntable 400, the turntable 400 is mounted on the rotary driving member 300, two ends of the turntable 400 are respectively provided with a swing arm 410, one swing arm 410 is located in the heat sealing area, and the rotary driving member 300 is configured to drive the two swing arms 410 to alternately enter the heat sealing area; two material loading clamps 13 are respectively installed on the two swing arms 410, and each material loading clamp 13 is used for bearing one to-be-packaged soft package battery cell 20.

The rotary driving member 300 is a member having a rotation capability, and may be a rotary cylinder, a servo motor, etc., the turntable 400 is disposed at an output end of the rotary driving member 300, and is driven by the rotary driving member 300 to perform an intermittent rotation, and each time the rotary driving member 300 operates once, the rotary driving member drives the turntable 400 to rotate 180 °, and when the swing arm 410 in the heat sealing region is moved out, another swing arm 410 is transferred into the heat sealing region, that is, the positions of the two swing arms 410 are interchanged.

The two material loading clamps 13 are respectively located on the two swing arms 410, one material loading clamp 13 is located in the heat sealing area, the other material loading clamp 13 is located outside the heat sealing area, and the position of the material loading clamp 13 located outside the heat sealing area is the feeding area of the soft package battery cell 20. The two hot pressing parts 200 start to carry out heat sealing operation on the soft package battery cell 20 in the heat sealing area, and meanwhile, the loading clamp 13 in the feeding area can carry out loading operation; after the hot pressing part 200 completes the hot pressing action, the rotary table 400 rotates to transfer the unpackaged soft package battery cell 20 from the feeding area to the hot sealing area, and at this time, the packed soft package battery cell 20 is transferred from the hot sealing area to the feeding area for blanking.

In the prior art, when the linear motor is used for driving, the soft-package battery cell 20 is loaded from the original point position, moves forward to the heat-seal area along the track of the linear motor, and returns to the original point to perform blanking operation after the heat-seal is completed, the loading, blanking and heat-seal of the battery cell are all performed on the same fixture, and the heat-seal piece is in a standby state in the time period from the completion of the heat-seal of the battery cell to the re-entry of the next battery cell to be packaged into the heat-seal area; compared with the original scheme, current scheme adopts rotary driving piece 300 and revolving stage 400 complex mode to drive two and carries material anchor clamps 13 and get into the heat-seal region in turn and encapsulate the operation, after the heat-seal operation is accomplished to preceding electric core, can directly shift the next electric core that treats the heat-seal to the heat-seal region in, and when heat-seal piece 200 carries out the heat-seal to soft-packing electric core 20, take off the soft-packing electric core 20 that is shifted to the outer material anchor clamps 13 that carry of heat-seal region, pack into this year material anchor clamps 13 with new soft-packing electric core 20 that treat, saved the time that electric core returned the original point and pressed from both sides electric core on anchor clamps, with this standby time who reduces heat-seal piece 200 that contracts, the work efficiency of heat-seal piece 200 is improved, avoid the waste of standby in-process electric energy.

Referring to fig. 2 and 4, it should be noted that the thermal compression element 200 includes a thermal compression head 210 and a pad 220, the pad 220 is mounted on the bottom surface of the bracket 100, and the thermal compression head 210 is located right above the pad 220. The hot pressing head 210 is the essential element who carries out the hot pressing to soft-packaged electrical core 20, cushion 200 sets up with hot pressing head 210 in opposite directions, after soft-packaged electrical core 20 was transported in the heat-seal region, the tip of electric core main part 22 is shelved on cushion 220, hot pressing head 210 pushes down, press the plastic-aluminum membrane and hold between cushion 220 and hot pressing head 210, accomplish the heat-seal under the effect of hot pressing head 210, cushion 220 is detachable part, need wash or when maintaining equipment, can dismantle cushion 220 alone, wash alone or direct replacement to it, convenient the maintenance.

Referring to fig. 3 and 4, in order to facilitate maintenance of the thermal compression element 200, the thermal compression head 210 includes a fixing plate 211, a heating plate 212 and a sealing plate 213, the heating plate 212 is disposed on the fixing plate 211, the sealing plate 213 is disposed on a side of the heating plate 212 away from the fixing plate 211, and the heating plate 212 is used for heating the sealing plate 213. The heating plate 212 is a heating part and is used for providing heat for the packaging sheet 213, the packaging sheet 213 is a main hot-pressing part and is used for contacting with the battery cell main body 22, and the cushion block 220 is matched for carrying out heat sealing on the aluminum plastic film. The heating plate 212 and the sealing plate 213 are not integrated, but the sealing plate 213 is a vulnerable part, when the sealing plate 213 is worn, the sealing plate 213 can be detached from the heating plate 212 alone, and the sealing operation can be performed again only by replacing the sealing plate 213 alone, so that the maintenance cost of the equipment is reduced, and fewer parts need to be replaced in the maintenance process.

In order to improve the packaging accuracy, the thickness of the packaging sheet 213 is decreased from the side close to the heating plate 212 to the side away from the heating plate. One end of the packaging sheet 213 close to the heating plate 212 needs to be connected with the heating plate 212 and absorb heat, so that the thickness of the position is increased, the contact area between the packaging sheet 213 and the heating plate 212 is increased, the heat transfer efficiency is improved, the installation accuracy of the packaging sheet 213 is ensured, one end of the packaging sheet 213 facing the cushion block 220 needs to be in contact with the soft package battery cell 20, the sectional area of the packaging sheet 213 needs to be reduced in order to avoid crushing the tab 21, and the other parts of the battery cell main body 22 are prevented from being pressed in the packaging process.

Preferably, the encapsulating sheet 213 is provided with an extension 214, and the extension 214 is disposed toward the cushion block 220. The extension part 214 is a part of the packaging sheet 213, which is in contact with the soft package battery core 20, and the length of the extension part is 50% of the total length of the packaging sheet 213, when the contact surface between the packaging sheet 213 and the cushion block 220 is uneven due to abrasion in the hot pressing process, the packaging sheet 213 can be taken down independently, the extension part 214 is polished, or the abrasion part is cut off directly, so that the extension part 214 can be reused, and the service life of the packaging sheet 213 is prolonged.

Referring to fig. 3, for convenience of maintenance, the heating plate 212 is provided with a sliding piece 212a, a stopper 212b and a limit hook 212c, the outer wall of the sealing piece 213 is provided with a stopper 213a matched with the limit hook 212c, the stopper 213a is slidably disposed in the limit hook 212c, the sliding piece 212a and the stopper 212b are respectively disposed at two ends of the limit hook 212c, the stopper 212b abuts against the outer wall of the sealing piece 213, the sliding piece 212a is slidably disposed at the edge of the heating plate 212, and the sliding piece 212a is slidably disposed along the outer wall of the heating plate 212, so that the sliding piece 212a contacts with or separates from the outer wall of the sealing piece 213.

The limit hook 212c hooks the fixture block 213a, so that the end surface of the sealing plate 213 is attached to the end surface of the heating plate 212, the sliding plate 212a and the stopper 212b are matched to limit the two opposite side surfaces of the sealing plate 213, and the sealing plate 213 is prevented from sliding along the extending direction of the limit hook 212c, so that the sealing plate 213 is fixed on the heating plate 212.

When the sealing piece 213 needs to be replaced, the sliding piece 212a is pressed first, so that the sliding piece 212a slides along the side surface of the heating plate 212, the sliding piece 212a is separated from the outer wall of the heating plate 212, at this time, a pushing force is applied to the heating plate 212, the direction of the pushing force faces the sliding piece 212a, the sealing piece 213 translates towards one side far away from the stop block 212b along the limit hook 212c until the fixture block 213a is separated from the limit hook 212c, and at this time, the sealing piece 213 is separated from the heating plate 212;

similarly, the fixture block 213a on the new packaging piece 213 is aligned to the limit hook 212c, and a horizontal pushing force is applied to make the packaging piece 213 move horizontally toward the side close to the stop block 212b, so that the fixture block 213a is embedded into the limit hook 212c until the packaging piece 213 is attached to the stop block 212b, and the sliding piece 212a is shifted again to make the sliding piece 212a extend out and attach to the outer wall of the packaging piece 213, at this time, the packaging piece 213 is fixed completely. Therefore, the replacement of the packaging piece 213 is not assisted by tools such as a wrench, and the disassembly and assembly process is convenient.

Referring to fig. 4, in an embodiment, the bracket 100 includes two side plates 110 and a supporting plate 120 for connecting the two side plates 110, the two hot pressing heads 210 are correspondingly disposed on the two side plates 110, and the two side plates 110 respectively support the hot pressing heads 210, so as to optimize a stress condition of the bracket 100 and improve a service life of the bracket 100.

Furthermore, each side plate 110 is provided with a down-pressing cylinder 111, a coupler 112 and a guide rail 113, two ends of the coupler 112 are respectively connected with the down-pressing cylinder 111 and the hot pressing head 210, the guide rail 113 is connected with the hot pressing head 210, the guide rail 113 is used for guiding the down-pressing direction of the hot pressing head 210, the position precision of the pressing of the hot pressing head 210 is improved, the two hot pressing heads 210 are provided with the independent down-pressing cylinders 111, the requirement on the cylinder diameter of the cylinder is reduced, the cylinder with the small cylinder diameter can be selected for down-pressing, and the manufacturing cost of equipment is reduced.

In order to make the structure of the automatic packaging machine 10 more compact, each side plate 110 is provided with two avoiding openings 114, and the two avoiding openings 114 are located on the rotation track of the turntable 400. When the turntable 400 rotates, the swing arm 410 directly drives the material loading clamp 13 to pass through the avoiding opening 114 and enter the heat sealing area. Preferably, the battery cell transfer module 12 further includes a lifting frame 500, and the rotary driving member 300 is installed on the lifting frame 500. The lifting frame 500 is used for driving the rotary table 400 to ascend or descend, before the rotary driving piece 300 drives the rotary table 400 to rotate, the lifting frame 500 lifts the rotary table 400, the swing arm 410 is made to ascend, the lower end of the swing arm 410 is higher than the upper end of the cushion block 220, the swing arm 410 is made to be staggered with the cushion block 220, when the rotary table 400 is prevented from rotating, collision occurs between the swing arm 410 and the cushion block 220, and equipment can run more stably.

Referring to fig. 5 and fig. 6, it can be understood that, in order to reduce the manufacturing cost of the apparatus, the same automatic packaging machine 10 often needs to meet the packaging requirements of multiple products, and therefore, the material loading clamp 13 is required to be capable of matching with the soft package battery cells 20 of multiple sizes, specifically, the material loading clamp 13 includes a base 610, a retaining clamp 620 and a fastening block 630, the base 610 is disposed on the swing arm 410, at least two positioning grooves 611 are disposed on the base 610, the sizes of the positioning grooves 611 on the same base 610 are different, and each positioning groove 611 matches with one specification of the soft package battery cell 20. Specifically, the inner wall of constant head tank 611 is used for and the laminating of the outer wall of electric core main part 22, for soft-packaged electrical core 20 provides the location, constant head tank 611 runs through base 610 to respectively form an export on the relative both sides wall of base 610, utmost point ear 21 on soft-packaged electrical core 20 both ends passes the export dew and arranges in outside, so, each base 610 homoenergetic bears the soft-packaged electrical core 20 of multiple specification, in order to realize carrying out the demand of encapsulation operation to many money soft-packaged electrical core 20.

One end of the retaining clip 620 is hinged to the swing arm 410, the other end of the retaining clip 620 is connected with the fastening block 630, the fastening block 630 covers the base 610, and the fastening block 630 is used for pressing the soft package battery core 20 in the positioning groove 611. The cross-sectional dimension of the fastening block 630 is consistent with the cross-sectional dimension of the base 610, that is, the fastening block 630 can cover the base 610, so as to ensure that the fastening block 630 can press the pouch cell 20 in the positioning groove 611 after the retaining clip 620 is closed.

The swing arm 410 is provided with a hinge seat 411 to which the holding clip 620 is hinge-coupled, and the holding clip 620 is rotatable about a position where it is hinge-coupled to the hinge seat 411. Before the soft package battery cell 20 is clamped, the retaining clamp 620 is rotated, the fastening block 630 is separated from the base 610, the positioning groove 611 on the base 610 is exposed, and the soft package battery cell 20 to be packaged is loaded into the positioning groove 611; at the antiport holding clamp 620, make fastening block 630 laminate with base 610 again, press soft-packaged electrical core 20 in constant head tank 611, conveniently get and put soft-packaged electrical core 20.

It can be understood that, referring to fig. 5 and fig. 6, the area of the positioning groove 611 that can be disposed on a single base 610 is limited, that is, the number of the positioning grooves 611 that can be disposed on each base 610 is limited by the size of the base 610, when the specification of the soft package battery 20 that is required to be produced by the same automatic packaging machine 10 is greater than the number of the positioning grooves 611 on the single base 610, the base 610 needs to be replaced to meet the production requirement, the material loading fixture 13 further includes a magnetic block 710 and an insert 720, the magnetic block 710 is disposed on the swing arm 410, a limiting hole 612 is disposed at the center position of the base 610, the insert 720 is embedded in the limiting hole 612, the thickness of the insert 720 is smaller than the depth of the limiting hole 612, a gap exists between the end of the insert 720 and the opening position of the limiting hole 612, the magnetic block 710 extends into the gap and is attached to the insert 720, the insert 720 is made of ferrous alloy or other metal material with magnetic attraction ability, the magnetic block 710 is used for adsorbing the insert 720. The base 610 is fixed on the swing arm 410 by the magnetic force provided by the magnetic block 710, and when the base 610 is replaced, only the force is applied to overcome the magnetic force of the magnetic block 710, and other tools are not needed. Preferably, the magnet 710 is a samarium cobalt magnet having heat resistance.

When the base 610 is pulled out, the applied pulling force should be larger than the adsorption force provided by the magnetic block 710, and when the base 610 is separated from the swing arm 410, the reaction force acts on the swing arm 410, which causes the swing arm 410 to shake obviously, and the manner of directly pulling out the base 610 is not favorable for the operator to apply force. The material loading clamp 13 is convenient to replace, the swing arm 410 is provided with the bosses 412, the bosses 412 are located on the end face, in contact with the base 610, of the swing arm 410, the bosses 412 are arc-shaped, the bosses 412 use the magnetic blocks 710 as the circle centers, the thickness of the bosses 412 is gradually increased from the starting end 412a to the ending end 412b, at least 2 bosses 412 are arranged, each boss 412 is distributed in a circumferential array mode by using the magnetic blocks 710 as the centers, the base 610 is provided with the profiling grooves matched with the bosses 412, and the bosses 412 are attached to the inner walls of the profiling grooves, as shown in fig. 8.

Referring to fig. 8 and 9, when the base 610 needs to be replaced, a maintenance worker holds the outer wall of the base 610 with a single hand, rotates the base 610 to rotate the contour groove relative to the boss 412 in a direction from the start end 412a to the end 412b of the boss 412, as shown by the direction of arrow 1 in fig. 7, since the thickness of the boss 412 increases from the start end 412a to the end 412b, when the base 610 is rotated in the direction, the base 610 is lifted by the boss 412 to separate the magnetic block 710 from the insert 720, as shown in fig. 9, and finally, the base 610 is directly taken down from the boss 412. The process of separating the magnetic block 710 from the insert 720 is prolonged by the boss 412, the impulsive force generated when the magnetic block 710 and the insert 720 are separated is reduced, the problem of shaking generated when the base 610 is replaced can be effectively avoided, the problem that the swing arm 410 and parts connected with the swing arm 410 are deformed due to stress or the fixed position is deviated due to repeated replacement of the base 610 is further avoided, and the service life of the equipment is prolonged.

Claims

1. An automatic packaging machine, comprising:

two material anchor clamps of carrying, two material anchor clamps of carrying install respectively in two on the swing arm, each carry the material anchor clamps and be used for bearing one and treat the soft packet of electricity core of encapsulation.

2. The automatic packaging machine of claim 1, wherein the thermal compression element comprises a thermal compression head and a cushion block, the cushion block is mounted on the bottom surface of the bracket, and the thermal compression head is located right above the cushion block.

3. The automatic packaging machine according to claim 2, wherein the thermal head comprises a fixing plate, a heating plate and a packaging piece, the heating plate is disposed on the fixing plate, the packaging piece is disposed on a side of the heating plate away from the fixing plate, and the heating plate is used for heating the packaging piece.

4. The automatic packaging machine of claim 3, wherein the thickness of the packaging sheet decreases from a side closer to the heating plate to a side further away from the heating plate.

5. The automatic packaging machine of claim 3, wherein an extension is provided on the packaging sheet, the extension being disposed toward the pad.

6. The automatic packaging machine according to claim 3, wherein a sliding piece, a stop block and a limit hook are arranged on the heating plate, a clamping block matched with the limit hook is arranged on the outer wall of the packaging piece, the clamping block is slidably arranged in the limit hook, the sliding piece and the stop block are respectively arranged at two ends of the limit hook, the stop block is abutted against the outer wall of the packaging piece, the sliding piece is slidably arranged at the edge of the heating plate and slides along the outer wall of the heating plate, so that the sliding piece is in contact with or separated from the outer wall of the packaging piece.

7. The automatic packaging machine according to claim 2, wherein the support comprises two side plates and a support plate for connecting the two side plates, and the two thermal compression heads are correspondingly arranged on the two side plates.

8. The automatic packaging machine according to claim 7, wherein each side plate is provided with a down-pressing cylinder, a coupler and a guide rail, two ends of the coupler are respectively connected with the down-pressing cylinder and the hot-pressing head, the guide rail is connected with the hot-pressing head, and the down-pressing cylinder is used for pushing the hot-pressing head to approach or leave the cushion block along the guide rail.

9. The automatic packaging machine according to claim 7, wherein each side plate is provided with an avoiding opening, and the two avoiding openings are located on a rotation track of the turntable.

10. The automatic packaging machine of claim 1, wherein the cell transfer module further comprises a lifting frame, and the rotary drive is mounted on the lifting frame.