WO2021017351A1

WO2021017351A1 - Laminating machine

Info

Publication number: WO2021017351A1
Application number: PCT/CN2019/122249
Authority: WO
Inventors: 周俊杰; 罗林; 米光伟; 卢驹; 诸剑锋
Original assignee: 广东利元亨智能装备股份有限公司
Priority date: 2019-07-31
Filing date: 2019-11-30
Publication date: 2021-02-04
Also published as: CN112310458A

Abstract

Disclosed in the present invention is a laminating machine, comprising a membrane feeding apparatus, a first electrode plate feeding apparatus, a second electrode plate feeding apparatus, a membrane bag-making apparatus, an electrode plate pick-and-place apparatus, and a laminating apparatus; the first electrode plate feeding apparatus conveys first electrode plates; the membrane feeding apparatus conveys membranes, the membranes being attached to the side face of the first electrode plates; the membranes carrying the first electrode plates are moved to the membrane bag-making apparatus, and the bag-making apparatus performs bag-making on the membranes carrying the first electrode plates to form electrode plate packages; the electrode plate pick-and-place apparatus sucks up second electrode plates conveyed by the second electrode plate feeding apparatus and having the opposite polarity to the first electrode plates, and attaches the second electrode plates in sequence to the membranes of the first electrode plate packages, the second electrode plates attached to two adjacent electrode plate packages being positioned on different surfaces of the membranes to form a battery core assembly; and the laminating apparatus laminates the battery core assembly. The laminating machine of the present invention can implement continuous production of battery cores and continuous laminating, having a fast laminating speed and high precision.

Description

Stacker

Technical field

The invention relates to the technical field of battery cell production, in particular to a stacking machine.

Background technique

The laminated battery cell is made by separating and superimposing the positive pole piece and the negative pole piece with a separator. At present, most of the existing laminated cell stacks use the zigzag-shaped separator to place the battery pole pieces in isolation. On the membrane, bend it at 180 degrees before placing another pole piece, or use a simple stacking type, that is, cut the positive pole piece, the negative pole piece and the separator to a predetermined size, and then follow the negative pole piece-the separator- -Positive pole piece--separation film--negative pole piece sequence The cut positive pole piece, negative pole piece and separator are stacked to obtain a laminated battery cell. However, the lamination speed of the above two methods is higher Slow, and the pole pieces are prone to deviation, resulting in low lamination accuracy.

Summary of the invention

In view of the shortcomings of the prior art, the present invention discloses a stacking machine, which includes: a diaphragm feeding device, a first pole piece feeding device, a second pole piece feeding device, a diaphragm bag making device, a pole piece picking and placing device, and a stacking device. Sheet device; the first pole piece feeding device conveys the first pole piece; the diaphragm feeding device conveys the diaphragm, which is attached to the side of the first pole piece; the diaphragm carrying the first pole piece moves to the diaphragm bag making device, and the diaphragm is manufactured The bag device makes a bag of the diaphragm carrying the first pole piece to form a pole piece package; the pole piece pick-and-place device sucks the second pole piece with the opposite polarity of the first pole piece from the second pole piece loading device, and The second pole piece is attached to the diaphragm of each pole piece package in turn, and the second pole pieces attached to two adjacent pole piece packages are located on different surfaces of the diaphragm to form a battery cell assembly; The core assembly is laminated.

According to an embodiment of the present invention, the above-mentioned diaphragm feeding device includes a diaphragm unwinding mechanism and a diaphragm processing mechanism; the diaphragm unwinding mechanism unwinds the diaphragm, and the diaphragm processing mechanism performs electrostatic treatment on the diaphragm.

According to an embodiment of the present invention, the first pole piece feeding device and the second pole piece feeding device both include a pole piece unwinding mechanism, a pole piece die cutting mechanism, a pole piece pulling mechanism, a pole piece tensioning mechanism and a pole piece correction Mechanism; the pole piece die-cutting mechanism is set on one side of the pole piece unwinding mechanism; the pole piece pulling mechanism is located between the pole piece unwinding mechanism and the pole piece die cutting mechanism; the pole piece tensioning mechanism is located between the pole piece pulling mechanism and the pole piece Between the die-cutting mechanisms; the pole piece correction mechanism is located between the pole piece tensioning mechanism and the pole piece die cutting mechanism.

According to an embodiment of the present invention, the first pole piece feeding device further includes a pole piece creasing mechanism; the pole piece creasing mechanism is located between the pole piece correcting mechanism and the pole piece die cutting mechanism.

According to an embodiment of the present invention, the above-mentioned second pole piece loading device further includes a pole piece transfer mechanism; the pole piece transfer mechanism is located between the pole piece die-cutting mechanism and the pole piece pick-and-place device.

According to an embodiment of the present invention, the above-mentioned membrane bag making device includes a bag making fixing seat, a first hot pressing bag making mechanism, and a second hot pressing bag making mechanism; the first hot pressing bag making mechanism and the second hot pressing bag making mechanism are arranged opposite to each other. Bag fixing seat; when the diaphragm carrying the first pole piece passes between the first hot-pressed bag-making mechanism and the second hot-pressed bag-making mechanism, the first hot-pressed bag-making mechanism and the second hot-pressed bag-making mechanism will bag the diaphragm , Forming a pole piece package.

According to an embodiment of the present invention, the above-mentioned pole piece pick-and-place device includes a rotating mechanism and a pick-and-place mechanism; the pick-and-place mechanism is provided in the rotation mechanism.

According to an embodiment of the present invention, the above pole piece pick-and-place device further includes a pole piece position detection mechanism; the pole piece position detection mechanism is arranged on the movement path of the pick-and-place mechanism.

According to an embodiment of the present invention, the pole piece pick-and-place device further includes a pole piece pick-and-place correction mechanism; the pole piece pick-and-place correction mechanism is arranged on the moving path of the pick-and-place mechanism.

According to an embodiment of the present invention, the above-mentioned pole piece pick-and-place device further includes a jig-aligning mechanism; the jig-alignment mechanism is arranged on the moving path of the pick-and-place mechanism.

According to an embodiment of the present invention, the above-mentioned pole piece pick-and-place device further includes a dust removal mechanism; the dust-removal mechanism is arranged on the movement path of the pick-and-place mechanism.

According to an embodiment of the present invention, the above-mentioned pole piece pick-and-place device further includes a pick-and-place jig and static elimination mechanism; the pick-and-place jig and static elimination mechanism is provided in the dust removal mechanism.

According to an embodiment of the present invention, the above-mentioned lamination device includes a lamination transfer mechanism, a lamination pulling mechanism, and a lamination table; the lamination transfer mechanism, the lamination pulling mechanism and the lamination table are sequentially arranged on the conveying path of the diaphragm on.

The beneficial effects of the present invention are: the stacking machine of the present invention cooperates with the diaphragm feeding device, the first pole piece feeding device, the second pole piece feeding device, the diaphragm bag making device, the pole piece picking and placing device, and the stacking device. Realize the continuous production and continuous lamination of batteries, with fast lamination speed and high precision.

Description of the drawings

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The exemplary embodiments and descriptions of the application are used to explain the application and do not constitute an improper limitation of the application. In the attached picture:

Figure 1 is a schematic diagram of the structure of the stacking machine in the embodiment of the present invention;

Figure 2 is a partial enlarged view of Figure 1;

Figure 3 is a schematic structural diagram of a membrane bag making device in an embodiment of the present invention;

Figure 4 is another schematic diagram of the structure of the membrane bag making device in the embodiment of the present invention;

Figure 5 is a schematic structural view of a bag-making hot-pressing assembly in an embodiment of the present invention;

Figure 6 is a cross-sectional view of a bag-making hot-pressing assembly in an embodiment of the present invention;

Fig. 7 is a schematic structural diagram of a pole piece pick-and-place device in an embodiment of the present invention;

Figure 8 is a top view of the pole piece pick-and-place device in the embodiment of the present invention;

Fig. 9 is a schematic structural diagram of a pick-and-place mechanism in an embodiment of the present invention;

FIG. 10 is another structural diagram of the pick-and-place mechanism in the embodiment of the present invention;

11 is a schematic structural diagram of the cooperation of the pole piece position detection mechanism and the pole piece pick-and-place correction mechanism in the embodiment of the present invention;

12 is a schematic diagram of the structure of a pole piece position detection mechanism in an embodiment of the present invention;

13 is a schematic structural diagram of a pole piece pick-and-place correction mechanism in an embodiment of the present invention;

Fig. 14 is a schematic structural diagram of a fixture setting mechanism in an embodiment of the present invention;

Figure 15 is a schematic diagram of the structure of the dust removal mechanism and the static removal mechanism in the embodiment of the present invention.

16 is a schematic diagram of the structure of the front pole piece and diaphragm without lamination in the embodiment of the present invention;

FIG. 17 is a schematic diagram of the structure of the pole piece and the diaphragm during the lamination process in the embodiment of the present invention.

Description of reference signs:

1. Diaphragm feeding device; 11. Diaphragm unwinding mechanism; 111, Diaphragm unwinding roller; 112, Diaphragm transfer roller; 12. Diaphragm processing mechanism; 121, Electrostatic generator; 13, Diaphragm tensioning mechanism; 131, Tensioning Roller; 101, diaphragm; 102, positive pole piece; 103, negative pole piece; 2. first pole piece feeding device;

21. Pole piece unwinding mechanism; 211. Pole piece unwinding roller; 212. Pole piece conveying roller; 22. Pole piece die-cutting mechanism; 23. Pole piece pulling mechanism; 231. Pulling roller; 24. Pole piece tensioning mechanism 241. Tension roller; 25. Pole piece correction mechanism; 251. Deviation correction roll; 26. Pole piece crease mechanism; 261. Crease block; 2611. Crease groove; 262. Crease press block; 3. Second Pole piece feeding device; 31. Pole piece conveying mechanism; 311. Pole piece conveying group; 3111, Pole piece feeding conveyor belt; 3112, brush dust removal parts; 4. Diaphragm bag making device; 41. Bag making holder; 42, No. A hot-pressing bag-making mechanism; 421. Bag-making hot-pressing component; 4211, bag-making roller; 4212, heating tube; 4213, heating block; 4214, heating ring; 4215, bag-making driving part; 4216, heat insulation block; 4217, Electric slip ring; 4218, limit block; 422, bag-making drive assembly; 4221, bag-making moving drive member; 4222, bag-making moving plate; 5. pole piece pick-and-place device; 51, rotating mechanism; 511, divider; 512. Turntable; 52. Picking and placing mechanism; 521. Picking and placing movable assembly; 5211. Picking and placing mounting plate; 5212. Picking and placing support plate; 52121. Electromagnetic clutch; 5213. Picking and placing movable plate; 5214. Unwinding reset part; 5215, ball plate; 522, picking and placing jig; 5221, suction plate; 5222, correction block; 5223, picking and unloading buffer; 523, picking and unwinding drive assembly; 5231, reclaiming drive; 5232. Unwinding drive parts; 53, Pole piece position detection mechanism; 531, Pole piece position detection mounting frame; 532, Pole piece position detection parts; 533, Pole piece position detection light supply parts; 54, Pole piece pick-and-place correction mechanism 541. Pole piece pick-and-place correction mounting frame; 542, Pole piece pick-and-place correction and alignment platform; 543, Pole piece pick-and-place correction drive parts; 544, Pole piece pick-and-place correction parts; 5441, correction plate; 5442, correction needle 55. Fixture alignment mechanism; 551. Fixture alignment mounting frame; 552. Fixture alignment clamping assembly; 5521. Fixture alignment clamping sliding drive part; 5522. Fixture alignment clamping sliding plate 5523, the first clamping member; 55231, the clamping fixing plate; 55232, the clamping drive member; 55233, the clamping block; 5524, the second clamping member; 553, the fixture alignment component; 5531, the fixture pendulum Positive driving part; 5532, fixture positioning part; 56, Dust removal mechanism; 561, Dust removal mounting seat; 562, Dust removal mobile driving part; 563, Dust removal brush; 564, Dust removal driving part; 565, Connecting plate; 57, Pick and place Fixture removing static electricity mechanism; 6, laminated device; 61, laminated sheet transfer mechanism; 62, laminated sheet pulling mechanism; 63, laminated table 63.

Detailed ways

Hereinafter, a number of embodiments of the present invention will be disclosed in the form of drawings. For clear description, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are unnecessary. In addition, in order to simplify the drawings, some conventionally used structures and components will be shown in simple schematic ways in the drawings.

It should be noted that all directional indicators (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between components in a particular posture (as shown in the accompanying drawings). If the relative position relationship, movement situation, etc. change, the directional indication will change accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only used for descriptive purposes, and do not specifically refer to order or sequence, nor are they used to limit the present invention. They are only used to distinguish between The same technical terms describe only the components or operations, but cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on what can be achieved by a person of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be achieved, it should be considered that such a combination of technical solutions does not exist. , Is not within the protection scope of the present invention.

In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples, and detailed descriptions are as follows with accompanying drawings:

Please refer to FIGS. 1 and 2. FIG. 1 is a schematic diagram of the structure of the stacking machine in an embodiment of the present invention; FIG. 2 is a partial enlarged view of FIG. As shown in the figure, the stacking machine of the present application includes a diaphragm feeding device 1, a first pole piece feeding device 2, a second pole piece feeding device 3, a diaphragm bag making device 4, a pole piece picking and placing device 5, and a lamination device 6. The first pole piece feeding device 2, the second pole piece feeding device 3, the membrane bag making device 4, the pole piece picking and placing device 5 and the lamination device 6 are arranged in the conveying path of the membrane 101 in sequence.

In specific applications, first, the diaphragm feeding device 1 conveys the diaphragm 101, the number of the diaphragm feeding device 1 is two, the two diaphragm feeding devices 1 simultaneously convey two layers of diaphragms, and the two layers of diaphragms 101 are attached to the first pole respectively. The opposite sides of the first pole piece conveyed by the sheet feeding device 2; secondly, the diaphragm 101 carrying the first pole piece is moved to the station of the diaphragm bag making device 4, and the diaphragm bag making device 4 is The diaphragm is bagged to form a pole piece package. Each pole piece package is composed of two layers of diaphragm 101 and one layer of the first pole piece; again, the pole piece package moves to the station of the pole piece pick-and-place device 5, and the pole piece picks and places The device 5 sucks the second pole piece with the opposite polarity of the first pole piece from the second pole piece loading device 3, and the pole piece pick-and-place device 5 attaches the second pole piece to one layer of each pole piece package On the diaphragm 101, the second pole pieces attached to two adjacent pole piece packages are not on the same side, that is, the second pole pieces attached to the two adjacent pole piece packages are respectively attached to the two layers of diaphragm 101. , Forming a cell assembly; finally, the cell assembly moves to the station of the lamination device 6, and the lamination device 6 laminates the cell assembly.

The diaphragm feeding device 1 includes a diaphragm unwinding mechanism 11 and a diaphragm processing mechanism 12. The diaphragm unwinding mechanism 11 and the diaphragm processing mechanism 12 are sequentially arranged on the machine table of the laminator.

The diaphragm unwinding mechanism 11 includes a diaphragm unwinding roller 111 and a plurality of diaphragm conveying rollers 112. The rolled diaphragm 101 is placed on the diaphragm unwinding roller 111, and one end of the diaphragm 101 is wound through a plurality of diaphragm conveying rollers 112 in sequence.

The diaphragm processing mechanism 12 includes an electrostatic generator 121 located between the plurality of diaphragm conveying rollers 112. When the diaphragm 101 passes through the electrostatic generator 121, the electrostatic generator 121 generates static electricity, so that static electricity exists on the surface of the diaphragm 101, so that the first pole piece or the second pole piece can be adsorbed on the diaphragm 101 during subsequent processing.

In specific applications, the diaphragm unwinding roller 111 rotates the unwinding diaphragm 101, a plurality of diaphragm conveying rollers 112 transfer the diaphragm 101 to the station of the diaphragm processing mechanism 12, and the electrostatic generator 121 performs electrostatic treatment on the diaphragm 101 to facilitate subsequent diaphragms. 101 adsorbs the first pole piece.

Preferably, the diaphragm feeding device 1 further includes a diaphragm tensioning mechanism 13. The diaphragm tensioning mechanism 13 is located between the diaphragm unwinding mechanism 11 and the diaphragm processing mechanism 12. The diaphragm tensioning mechanism 13 includes a tensioning wheel 131. During the transmission process of the tensioning wheel 131, the tensioning wheel 131 tensions the diaphragm 101, so that there is sufficient friction between the diaphragm 101 and the diaphragm conveying roller 112 to avoid slipping.

In specific applications, the first pole piece loading device 2 can transport the positive pole piece 102 or the negative pole piece 103. If the first pole piece loading device 2 transports the positive pole piece 102, the second pole piece loading device 3 will transport the negative electrode. Pole piece 103, the first pole piece between the two diaphragms 101 is the positive pole piece 102; if the first pole piece loading device 2 transfers the negative pole piece 103, the second pole piece loading device 3 transfers the positive pole piece 102, two The first pole piece between the layer separators 101 is the negative pole piece 103. Of course, whether the first pole piece feeding device 2 transfers the positive pole piece 102 or the negative pole piece 103 can be selected according to actual production requirements. Below, in this embodiment, The first pole piece loading device 2 transfers the positive pole piece 102, and the second pole piece loading device 3 transfers the negative pole piece 103 as an example. The structure and operation principle of the first pole piece loading device 2 and the second pole piece loading device 3 are described in detail .

The first pole piece feeding device 2 includes a pole piece unwinding mechanism 21, a pole piece pulling mechanism 23, a pole piece tensioning mechanism 24, a pole piece correction mechanism 25, a pole piece crease mechanism 26 and a pole piece die cutting mechanism 22. The pole piece unwinding mechanism 21, the pole piece pulling mechanism 23, the pole piece tensioning mechanism 24, the pole piece correcting mechanism 25, the pole piece crease mechanism 26, and the pole piece die cutting mechanism 22 are sequentially arranged on the machine table of the laminator .

The pole piece unwinding mechanism 21 includes a pole piece unwinding roller 211 and a plurality of pole piece conveying rollers 212. The rolled positive pole piece 102 is placed on the pole piece unwinding roller 211, one end of the positive pole piece 102 is sequentially wound through a plurality of pole piece conveying rollers 212, and the positive pole piece 102 is formed by the channel entrance formed between the two layers of diaphragm 101 When entering, the two-layer separator 101 is adsorbed on the opposite sides of the positive pole piece 102.

The pole piece pulling mechanism 23 is located between the pole piece unwinding mechanism 21 and the pole piece die cutting mechanism 22. The pole piece pulling mechanism 23 includes a pulling roller 231, and the pulling roller 231 is disposed at the discharge end of the pole piece unwinding roller 211. When the pole piece unwinding roller 211 unwinds the positive pole piece 102, the pulling roller 231 moves back and forth under the drive of a driving member to pull out the positive pole piece 102. The driving member can be a cylinder or a motor-driven ball screw. It is convenient to adjust the subsequent tension force.

The pole piece tensioning mechanism 24 is located between the pole piece pulling mechanism 23 and the pole piece die cutting mechanism 22. The pole piece tensioning mechanism 24 includes a pole piece tension roller 241. During the pole piece transmission, the pole piece tension roller 241 will The pole piece 102 is tensioned so that there is sufficient friction between the positive pole piece 102 and the pole piece transfer roller 212 to avoid slipping.

The pole piece correcting mechanism 25 is located between the pole piece tensioning mechanism 24 and the pole piece die cutting mechanism 22. The pole piece correcting mechanism 25 includes a correcting roller 251. During the transfer of the positive pole piece 102, the correcting roller 251 corrects the positive pole piece 102. , So that it is accurately conveyed to the predetermined position of the subsequent station.

The pole piece crease mechanism 26 is located between the pole piece correction mechanism 25 and the pole piece die cutting mechanism 22. The pole piece creasing mechanism 26 includes a creasing block 261 and a creasing pressing block 262. The crease block 261 and the crease press block 262 are oppositely arranged on the machine table of the laminator. The crease block 261 has a crease groove 2611, and the crease press block 262 has an indenter 2621 that matches the shape of the crease groove 2611. When the positive pole piece 102 passes between the crease block 261 and the crease pressing block 262, the crease pressing block 262 moves toward the crease block 261 under the driving of the driving member, and the crease pressing block 262 pushes the positive pole piece 102 Abutting against the inner side wall of the crease groove 2611, the crease pressing block 262 and the crease groove 2611 cooperate to press the crease on the positive pole piece 102 to facilitate subsequent lamination.

The positive pole piece 102 pressed by the pole piece crease mechanism 26 is transported to the station of the pole piece die cutting mechanism 22, and the die cutting mechanism 22 cuts the positive pole piece 102. It should be noted that the die cutting mechanism 22 The positive pole piece 102 can be cut incompletely, but still partially connected to ensure that the positive pole piece 102 can continue to reach the separator 101, and then it can be completely cut off before the subsequent bag making; the die cutting mechanism 22 can also completely cut the positive pole piece 102 After cutting, the cut positive pole piece 102 is moved between the two separators 101 by a robot.

In this embodiment, the number of the first pole piece feeding device 2 is two, and the two first pole piece feeding devices 2 have a fast refueling speed, which can realize the refueling without stopping and save time. In order to ensure that the positive pole piece 102 reaches the inside of the two-layer diaphragm 101 accurately, a swing rod 27 is provided at the entrance of the two-layer diaphragm 101, and the positive pole piece 102 is swayed to the diaphragm 101 containing static electricity through the swing rod 27. 102 is adsorbed on the diaphragm 101. As the diaphragm 101 and the positive pole piece 102 are simultaneously transported, the diaphragm 101 and the positive pole piece 102 are simultaneously transported to a subsequent processing station for processing.

The second pole piece feeding device 3 includes a pole piece unwinding mechanism 21, a pole piece pulling mechanism 23, a pole piece tensioning mechanism 24, a pole piece correction mechanism 25, a pole piece die-cutting mechanism 22 and a pole piece conveying mechanism 31. The winding mechanism 21, the pole piece pulling mechanism 23, the pole piece tensioning mechanism 24, the pole piece correcting mechanism 25, the pole piece die-cutting mechanism 22 and the pole piece conveying mechanism 31 are sequentially arranged on the machine table of the laminator.

In specific applications, the second pole piece feeding device 3 is used to realize the feeding of the negative pole piece 103. The pole piece unwinding mechanism 21, the pole piece pulling mechanism 23, the pole piece tensioning mechanism 24, the pole piece correction mechanism 25 and the pole piece die cutting mechanism 22 of the second pole piece feeding device 3 and the pole piece of the first pole piece feeding device 2 The structure and operation principle of the sheet unwinding mechanism 21, the pole piece pulling mechanism 23, the pole piece tensioning mechanism 24, the pole piece correcting mechanism 25, and the pole piece die cutting mechanism 22 are the same, and will not be repeated here.

It should be noted that the pole piece die-cutting mechanism 22 of the second pole piece feeding device 3 cuts the negative pole piece 103 by cutting off the negative pole piece 103 to form a plurality of negative pole pieces 103 section by section, so as to facilitate subsequent grasping. Take the patch.

The pole piece transfer mechanism 31 includes at least two pole piece transfer groups 311, and the at least two pole piece transfer groups 311 are sequentially arranged at the discharge end of the pole piece die cutting mechanism 22. Each pole piece conveying group 311 includes a pole piece feeding conveyor roller, a pole piece feeding conveyor belt 3111, and a brush dust removing member 3112. In specific application, the multiple negative pole pieces 103 cut by the pole piece die cutting mechanism 22 of the second pole piece feeding device 3 fall on the pole piece feeding conveyor belt 3111 of the first pole piece conveying group 311, and the pole piece feeding conveyor belt 3111 is a vacuum belt. The pole piece feeding conveyor belt 3111 generates suction to attract the first side of the negative pole piece 103. As the pole piece feeding conveyor roller continuously drives the pole piece feeding conveyor belt 3111 to rotate, the pole piece feeding conveyor belt 3111 drives the negative pole piece 103 to move. To the brush dust removal part 3112, the brush dust removal part 3112 removes dust on the second surface of the negative pole piece 103. As the pole piece feeding conveyor belt 3111 continues to rotate, the negative pole piece 103 reaches the pole piece of the second pole piece conveying group 311 The suction area of the material conveyor belt 3111, the electrode piece feeding conveyor belt 3111 of the second electrode piece conveyor group 311 sucks the second surface of the negative electrode piece 103 and drives it to the first side of the brush dust removal part 3112 against the negative electrode piece 103 After removing the dust on both sides of the negative pole piece 103, the negative pole piece 103 is transported to the station of the corresponding pole piece pick-and-place device 5. The pole piece pick-and-place device 5 sucks the negative pole piece 103 and attaches it to the manufactured The outer side of the separator 101 after the bag, that is, the side of the separator 101 away from the positive pole piece 102.

Please refer to FIGS. 3 and 4. FIG. 3 is a schematic diagram of the structure of the diaphragm bag making device 4 in an embodiment of the present invention; FIG. 4 is another schematic diagram of the structure of the diaphragm bag making device 4 in an embodiment of the present invention. As shown in the figure, the diaphragm bag making device 4 includes a bag making fixing seat 41, a first hot pressing bag making mechanism 42 and a second hot pressing bag making mechanism 43. The first hot-pressed bag mechanism 42 and the second hot-pressed bag mechanism 43 are arranged opposite to the bag-making fixing seat 41. The gap between the first hot-pressed bag mechanism 42 and the second hot-pressed bag mechanism 43 is a diaphragm conveying channel. When the diaphragm 101 with electrode pole pieces passes between the first hot-pressing bag mechanism 42 and the second hot-pressing bag mechanism 43, the first hot-pressing bag mechanism 42 and the second hot-pressing bag mechanism 43 heat the diaphragm 101 on four sides The bag realizes the covering and fixing of the positive pole piece 102.

In specific applications, the first hot-pressing bag-making mechanism 42 includes a bag-making hot-pressing assembly 421 and a bag-making driving assembly 422. The bag-making driving assembly 422 is disposed on the bag-making fixing seat 41, and the bag-making hot-pressing assembly 421 of the first hot-pressing bag-making mechanism 42 is connected to the bag-making driving assembly 422.

Further, the bag-making driving assembly 422 includes a bag-making moving driving member 4221 and a bag-making moving plate 4222. The bag-making moving driving member 4221 is disposed on the bag-making fixing seat 41. Specifically, the bag-making moving driving member 4221 is an air cylinder. In order to ensure sufficient driving force, in this embodiment, the number of the bag-making moving driving member 4221 is two. The bag-making moving plate 4222 is connected to the output ends of the two bag-making moving driving members 4221. The bag-making moving plate 4222 is slidably arranged on the bag-making fixing seat 41 via a guide rail slider.

5 and 6 together, FIG. 5 is a structural diagram of the bag-making hot-pressing assembly 421 in an embodiment of the present invention; FIG. 6 is a cross-sectional view of the bag-making hot-pressing assembly 421 in an embodiment of the present invention. As shown in the figure, the bag-making hot pressing assembly 421 includes a bag-making roller 4211, a heating tube 4212, a heating block 4213, a heating ring 4214, and a bag-making driving member 4215. Both ends of the bag-making roller 4211 are rotatably provided on the bag-making moving plate 4222 via a rotating shaft. The heating tube 4212 is installed in the bag making roller 4211. The heating block 4213 is embedded in the outer side wall of the bag making roller 4211. The heating ring 4214 is sleeved on the bag making roller 4211, and the heating ring 4214 is located on both sides of the heating block 4213. The bag-making driving member 4215 is disposed on the bag-making moving plate 4222, and the output end of the bag-making driving member 4215 is connected to the rotating shaft of the bag-making roller 4211 through a coupling. Specifically, the bag-making driving member 4215 is a motor.

The second hot-pressed bag-making mechanism 43 may have the same structure as the first hot-pressed bag-making mechanism 42, that is, the second hot-pressed bag-making mechanism 43 includes a bag-making hot-pressing assembly 421 and a bag-making driving assembly 422. Thus, two bag-making driving assemblies After 422 drives the two bag-making hot-pressing assemblies 421 to move toward each other to abut against the diaphragm 101, the two bag-making hot-pressing assemblies 421 rotate again to make bags; the second hot-pressing bag-making mechanism 43 can also be the same as the first hot-pressing bag-making mechanism The structure of 42 is different, that is, the second hot-pressing bag mechanism 43 only includes the bag-making hot-pressing assembly 421. Thus, the bag-making driving assembly 422 of the first hot-pressing bag-making mechanism 42 drives the bag-making hot-pressing assembly 421 to the second hot pressing After the bag-making hot-pressing assembly 421 of the bag mechanism 43 moves in the direction to abut against the diaphragm 101, the two bag-making hot-pressing assemblies 421 rotate again to make the bag; in order to ensure the processing accuracy, the second hot-pressing bag making mechanism is adopted in this embodiment 43 only includes the bag-making hot pressing assembly 421. The two ends of the bag-making roller 4211 of the second hot-pressing bag-making mechanism 43 are rotatably arranged on the bag-making fixing seat 41 through a rotating shaft. The bag-making drive of the second hot-pressing bag mechanism 43 The member 4215 is arranged on the bag-making fixing seat 41, and the output end of the bag-making driving member 4215 of the second hot-pressed bag-making mechanism 43 is connected to the rotating shaft of the bag-making roller 4211 of the second hot-pressed bag mechanism 43 through a coupling.

In a specific application, the diaphragm 101 coated with the positive pole piece 102 passes between two bag-making rollers 4211 arranged up and down, and the bag-making moving drive 4221 generates a driving force to drive the bag-making moving plate 4222 to move toward the diaphragm 101. The bag moving plate 4222 drives the bag-making roller 4211 to move toward the diaphragm 101, thereby driving the heating block 4213 and the heating ring 4214 to move to abut the diaphragm 101, and then the upper and lower bag-making driving members 4215 drive the two bag-making rollers 4211 respectively. When the bag-making roller 4211 drives the heating block 4213 and the heating ring 4214 to rotate, the heating tube 4212 is energized to generate heat during the rotation of the bag-making roller 4211, and the heat is transferred to the heating block 4213 and the heating ring 4214 through heat transfer, and the bag is made up The heating block 4213 on the roller 4211 and the heating block 4213 on the lower bag making roller 4211 are arranged correspondingly, the heating ring 4214 on the upper bag making roller 4211 and the heating ring 4214 on the lower bag making roller 4211 should be set, along with the bag making roller 4211 rotates, the upper heating block 4213 and the lower heating block 4213 are engaged, the glue on the diaphragm 101 contacts the heating block 4213 and melts by heating, so that the two sides of the diaphragm 101 are heat-sealed. At the same time, four heating blocks are heated in pairs. The ring 4214 also engages to melt the glue on the diaphragm 101 that is in contact with the heating ring 4214, so that the other two sides of the diaphragm 101 are heat sealed.

Preferably, the surfaces of the heating block 4213 and the heating ring 4214 are both rectangular and serrated. The surface of the heating block 4213 and the heating ring 4214 is designed to be a rectangular zigzag shape to hot the diaphragm 101. Compared with the use of a whole edge for ironing, the yield rate of bag making can be improved, and the processing into a rectangular zigzag shape is relative to the processing The processing requirements for forming the whole edge are low. In addition, the use of spot ironing to make the bag facilitates the gas in the diaphragm 101 to be discharged from the gap between the ironing points during the subsequent lamination process, and prevents air bubbles in the bag from affecting the cell.

Preferably, the bag-making hot-pressing assembly 421 further includes an insulating block 4216. The heat insulation block 4216 is screwed on both ends of the bag making roller 4211 by bolts, and the heat insulation block 4216 is located on both sides of the heating ring 4214. The heat insulation block 4216 prevents the heat generated by the heating tube 4212 from being transferred to the heating block 4213 or other components of the heating ring 4214, and prevents high temperature from damaging other components.

Preferably, the bag-making hot pressing assembly 421 further includes an electric slip ring 4217. The electric slip ring 4217 is arranged at one end of the bag making roller 4211 away from the bag making driving member 4215. The electric slip ring 4217 can effectively prevent the wire from being tangled during the rotation of the bag making roller 4211, thereby affecting normal operation.

Preferably, the bag-making hot pressing assembly 421 further includes a limiting block 4218. The limiting block 4218 is located between the two bag making rollers 4211. Specifically, the limiting block 4218 is located on the bag-making fixing seat 41. When the first hot-pressed bag-making mechanism 42 moves in the direction of the second hot-pressed bag-making mechanism 43, the limiting block 4218 affects the bag making of the first hot-pressed bag mechanism 42. The moving plate 4222 is restricted to prevent the heating block 4213 or the heating ring 4214 of the two bag-making hot pressing components 421 from hardly contacting and damaging the diaphragm 101.

Please refer to FIGS. 7 and 8. FIG. 7 is a schematic structural diagram of the pole piece pick-and-place device 5 in an embodiment of the present invention; FIG. 8 is a top view of the pole piece pick-and-place device 5 in an embodiment of the present invention. As shown in the figure, the pole piece pick-and-place device 5 includes a rotating mechanism 51, a pick-and-place mechanism 52, a pole piece position detection mechanism 53, a pole piece pick-and-place correction mechanism 54, a fixture setting mechanism 55, a dust removal mechanism 56 and a static elimination mechanism 57. The rotating mechanism 51 is arranged on the machine table of the laminator. The pick-and-place mechanism 52 is provided on the rotation mechanism 51. The pole piece position detection mechanism 53, the pole piece pick-and-place correction mechanism 54, the fixture correction mechanism 55, the dust removal mechanism 56 and the static electricity removal mechanism 57 surround the rotation mechanism 51 in sequence, the pole piece position detection mechanism 53, the pole piece pick-and-place correction mechanism 54. The fixture setting mechanism 55, the dust removal mechanism 56, and the static removal mechanism 57 correspond to the pick-and-place mechanism 52 respectively.

In specific applications, first, the rotating mechanism 51 drives the pick-and-place mechanism 52 to rotate to the second pole piece loading device 3, and the pick-and-place mechanism 5 sucks the negative pole piece 103 delivered by the second pole piece loading device 3; secondly, the rotation mechanism 51 drives the sucking The negative pole piece 103 pick-and-place mechanism 52 rotates to the position of the pole piece position detection mechanism 53, and the pole piece position detection mechanism 53 detects the position of the negative pole piece 103. If the pole piece is within a predetermined position, the rotating mechanism 51 drives the suction The pick-and-place mechanism 52 of the negative electrode piece 103 rotates to the diaphragm where the negative electrode piece 103 is to be attached, and the pick-and-place mechanism 52 attaches the negative electrode piece 103 to the diaphragm. If the negative electrode piece 103 is not within the predetermined position, rotate The mechanism 51 drives the pick-and-place mechanism 52 that sucks the negative pole piece 103 to rotate to the position of the pole piece pick-and-place correction mechanism 54. The pole piece pick-and-place correction mechanism 54 corrects the position of the negative pole piece 103 and the position of the negative pole piece 103. Then, the rotating mechanism 51 drives the pick-and-place mechanism 52 that sucks the negative pole piece 103 to rotate to the separator of the pole piece to be attached, and the pick-and-place mechanism 52 attaches the negative pole piece 103 to the separator; again, the negative pole piece 103 is attached. After that, the rotating mechanism 51 continues to drive the pick-and-place mechanism 52 to rotate to the work position of the jig-aligning mechanism 55, and the jig-aligning mechanism 55 straightens the jig of the pick-and-place mechanism 52; finally, the rotating mechanism 51 continues to drive the pick-and-place The mechanism 52 rotates to the positions of the dust removal mechanism 56 and the static removal mechanism 57. The dust removal mechanism 56 and the static removal mechanism 57 respectively perform the dust removal and static removal treatments on the pick and place mechanism 52. After the dust removal and static removal treatment are completed, The rotating mechanism 51 continues to drive the pick-and-place mechanism 52 to rotate until the second pole piece loading device 3 sucks the next negative pole piece 103, and repeats the above actions to realize the continuous attachment of the negative pole piece 103.

The rotating mechanism 51 includes a divider 511 and a turntable 512. The divider 511 is installed on the machine table of the stacker. The turntable 512 is connected to the output end of the divider 511, and the pick-and-place mechanism 52 is disposed on the turntable 512.

In specific applications, the input end of the divider 511 is connected to the output end of the drive motor, the drive motor drives the divider 511 to rotate, the divider 511 drives the turntable 512 to rotate, and the turntable 512 drives the pick-and-place mechanism 52 to rotate.

Please refer to FIGS. 9 and 10. FIG. 9 is a schematic structural diagram of the pick-and-place mechanism 52 in an embodiment of the present invention; FIG. 10 is another schematic structural diagram of the pick-and-place mechanism 52 in an embodiment of the present invention. As shown in the figure, the picking and placing mechanism 52 includes a picking and placing movable assembly 521, a picking and placing jig 522, and a picking and placing drive assembly 523. The picking and unwinding movable assembly 521 is arranged on the turntable 522. The pick-and-place jig 522 is set in the pick-and-place movable assembly 521. The pick-and-place drive assembly 523 is disposed on the turntable 522, and the pick-and-place drive assembly 523 is movably connected to the pick-and-place movable assembly 521.

The material picking and unwinding movable assembly 521 includes a picking and placing mounting plate 5211, a picking and placing support plate 5212, a picking and placing movable plate 5213, and a picking and placing reset piece 5214. The pick-and-place material mounting plate 5211 is provided on the turntable 512. The picking and unloading support plate 5212 is slidably arranged on the picking and unloading mounting plate 5211 through a guide rail slider. The material taking and discharging movable plate 5213 is magnetically connected to the taking and discharging support plate 5212. The picking and unloading resetting member 5214 is respectively connected with the picking and unloading mounting plate 5211 and the picking and unloading support plate 5212. Specifically, the picking and unloading resetting member 5214 is a spring.

Preferably, the picking and unloading movable assembly 521 further includes a ball plate 5215. The ball plate 5215 is located between the picking and unloading support plate 5212 and the picking and unloading movable plate 5213. The pick-and-place movable plate 5213 can roll along the surface of the ball plate 5215 when moving.

The pick-and-place jig 522 includes a suction plate 5221 and a correction block 5222. The suction plate 5221 is arranged on the material picking and unloading movable plate 5213 through the fixed plate, and the suction plate 5221 is used for sucking the negative pole piece 103. The correction block 5222 is arranged on the fixed plate, and the correction block 522 cooperates with the pole piece pick-and-place correction mechanism 54 to correct the position of the negative pole piece 103.

The feeding and unwinding drive assembly 523 includes a feeding drive 5231 and a feeding drive 5232. The reclaiming driving member 5231 and the discharging driving member 5232 are both arranged on the turntable 512, and the output end of the reclaiming driving member 5231 and the output end of the discharging driving member 5232 are respectively movably connected to the taking and discharging support plate 5212. Specifically, the reclaiming driving member 5231 and the discharging driving member 5232 are both air cylinders.

In specific applications, when the rotating mechanism 51 drives the pick-and-place mechanism 52 to move to the pole piece conveying mechanism 31 corresponding to the second pole piece feeding device 3, the reclaiming drive member 5231 generates a driving force to drive the pick-and-place support plate 5212 to convey the pole piece. The mechanism 31 moves in the direction, the picking and unwinding support plate 5212 drives the picking and unwinding movable plate 5213 and the ball plate 5215 to move to the pole piece conveying mechanism 31, and the picking and unloading movable plate 5213 drives the suction plate 5221 to move to the pole piece conveying mechanism 31. The suction plate 5221 generates suction to suck the negative pole piece 103 transferred by the pole piece conveying mechanism 31. At this time, the picking and unloading reset member 5214 is stretched. After the suction plate 5221 sucks the negative pole piece 103, the reclaiming drive member 5231 returns to the original state. The stretched picking and unloading reset piece 5214 should return to the initial unstretched state, and the elasticity of the picking and unloading reset piece 5214 drives the picking and unloading support plate 5212, the picking and unloading movable plate 5213, the ball plate 5215 and the suction plate 5221 to restore the original position Then, the turntable 512 rotates to drive the pick-and-place mechanism 52 and the negative pole piece 103 to pass through the pole piece position detection mechanism 53 and the pole piece pick-and-place correction mechanism 54 in turn to reach the diaphragm placement station, and the feeding drive member 5232 generates driving force to drive the pick-and-place The material support plate 5212 drives the picking and unloading movable plate 5213 and the ball plate 5215 to move toward the diaphragm 101, the picking and unloading movable plate 5213 drives the suction plate 5221 to move toward the diaphragm 101, and the suction plate 5221 drives the negative pole piece 103 to move toward the diaphragm 101. , The suction plate loses its suction, and the negative pole piece 103 is adsorbed on the diaphragm 101 under the action of electrostatic force. At this time, the picking and unloading reset piece 5214 is stretched, and the negative pole piece 103 is adsorbed on the diaphragm 101, and the discharge is driven. The piece 5232 returns to the initial state, and the stretched picking and unloading reset piece 5214 must return to the initial unstretched state. The elastic force of the picking and unloading reset piece 5214 drives the picking and unloading support plate 5212, the picking and unloading movable plate 5213, the ball plate 5215 and The suction plate 5221 returns to the initial position, and then the turntable 512 continues to rotate, and the turntable 512 drives the pick-and-place mechanism 52 to return to the position corresponding to the pole piece conveying mechanism 31 through the fixture setting mechanism 55, the dust removal mechanism 56, and the static removal mechanism 57 in turn. Circulation, to achieve continuous sticking of the negative pole piece 103 to the separator 101.

Preferably, the pick and place jig 522 further includes a pick and place buffer 5223. The material picking and unloading buffer 5223 is arranged on the fixed plate. Specifically, the picking and unloading buffer 5223 is a spring. When the suction plate 5221 sucks the negative pole piece 103, the picking and unloading buffer 5223 serves as a buffer to prevent excessive force from affecting the pole piece conveying mechanism 31.

Please refer to Figure 11 and Figure 12, Figure 11 is a schematic diagram of the structure of the pole piece position detection mechanism 53 and the pole piece pick-and-place correction mechanism 54 in the embodiment of the present invention; Figure 12 is the pole piece position detection mechanism 53 of the embodiment of the present invention Schematic diagram of the structure; the pole piece position detection mechanism 53 includes a pole piece position detection mounting frame 531, a pole piece position detection member 532, and a pole piece position detection light supply member 533. The pole piece position detection mounting frame 531 is arranged along the rotation of the turntable 512. The pole piece position detecting member 532 and the pole piece position detecting light supply member 533 are both installed on the pole piece position detecting mounting frame 531. Specifically, the pole piece position detection component 532 is an image sensor; the pole piece position detection light supply component 533 is a light source, and the model is OPT-LI18030-W.

Also refer to FIG. 13, which is a schematic structural diagram of a pole piece pick-and-place correction mechanism in an embodiment of the present invention. As shown in the figure, the pole piece pick-and-place correction mechanism 54 includes a pole piece pick-and-place correction mounting frame 541, a pole piece pick-and-place correction and alignment platform 542, a pole piece pick-and-place correction drive 543, and a pole piece pick-and-place correction piece 544. The pole piece pick-and-place correction mounting frame 541 is arranged along the rotation of the turntable 512. The pole piece pick-and-place correction and alignment platform 542 is installed on the pole piece pick-and-place correction mounting frame 541. The pole piece pick-and-place correction drive 543 is disposed on the pole piece pick-and-place correction and alignment platform 542. The pole piece pick-and-place correction component 544 is provided at the output end of the pole piece pick-and-place correction drive 543. Specifically, the pole piece pick-and-place correction drive 543 is an air cylinder.

Specifically, the pole piece pick-and-place correction component 544 includes a correction plate 5441 and a correction needle 5442. One side of the correction plate 5441 is connected to the output end of the pole piece pick-and-place correction drive 543, and the correction needle 5442 is arranged on the other side of the correction plate 5441. In this embodiment, the number of correction needles 5442 is four. Correspondingly, the number of correction blocks 5222 is also four. The four correction needles 5442 cooperate with the four correction blocks 5222 to correct the position of the negative pole piece 103.

In specific applications, the turntable 512 drives the pick-and-place mechanism 52 that sucks the negative pole piece 103 to rotate to the position of the pole piece position detection mechanism 53, the pole piece position detection light supply part 533 emits a light source, and the pole piece position detection part 532 faces the negative pole piece 103 The image is collected at the position, and the collected data is fed back to the control system of the stacker. The control system of the stacker judges the received data. If the negative pole piece 103 is at the predetermined position of the suction plate 5221, the stacker The control system controls the turntable 512 to drive the negative pole piece 103 to rotate to the position of the diaphragm patch to paste the negative pole piece 103; if the negative pole piece 103 is not in the predetermined position of the suction plate 5221, the control system of the stacker controls the turntable 512 The negative pole piece 103 is driven to rotate to the station of the pole piece pick-and-place correction mechanism 54. The control system of the stacker controls and transmits a signal to the pole piece pick-and-place correction mechanism 54, and the pole piece pick-and-place correction and alignment platform 542 is based on the received signal After adjusting the correcting angle of the pole piece pick-and-place correction piece 544, the pole piece pick-and-place correction drive 543 drives the correction plate 5441 and the correction pin 5442 to move in the direction of the pick-and-place mechanism 52, and the correction pin 5442 is inserted into the correction block 5222. Yes, the correction needle 5442 is not completely inserted into the correction block 5222. At this time, the electromagnetic clutch 52121 installed on the picking and unwinding support plate 5212 is powered off, the magnetism disappears, the picking and unwinding movable plate 5213 is separated from the picking and unwinding support plate 5212, and the material is taken The movable plate 5213 slides on the ball plate 5125, and the picking and unloading movable plate 5213 drives the suction plate 5221 that sucks the negative pole piece 103 to slide, so as to correct the position of the negative pole piece 103, so that the negative pole piece 103 is in a predetermined position. At the same time, the pole piece pick-and-place correction drive 543 continues to drive the correction pin 5442 to move, so that the correction pin 5442 is completely inserted into the correction block 5222, and the correction of the negative pole piece 103 is completed. After the correction, the electromagnetic clutch 52121 is energized to make the picking and unloading activities. The plate 5213 is again magnetically attracted to the picking and unloading support plate 5212, and then, the turntable 512 drives the rectified negative pole piece 103 to rotate to the diaphragm patch station for attaching the negative pole piece 103.

Please refer to FIG. 14, which is a schematic structural diagram of a jig-aligning mechanism in an embodiment of the present invention. As shown in the figure, the jig-aligning mechanism 55 includes a jig-aligning mounting frame 551, a jig-aligning clamping assembly 552, and a jig-aligning component 553. The jig alignment mounting frame 551 is arranged along the rotation of the turntable 512. The jig alignment clamping assembly 552 and the jig alignment assembly 553 are both installed on the jig alignment mounting frame 551.

Further, the jig alignment clamping assembly 552 includes a jig alignment clamping sliding driving member 5521, a jig alignment clamping sliding plate 5522, a first clamping member 5523, and a second clamping member 5524. The jig-aligning and clamping sliding driving member 5521 is disposed on the jig-aligning mounting frame 551. Specifically, the jig-aligning and clamping sliding driver 5521 is an air cylinder. The jig alignment clamping sliding plate 5522 is slidably arranged on the jig alignment mounting frame 551. The jig alignment clamping sliding plate 5522 is connected to the output end of the jig alignment clamping sliding driving member 5521. The first clamping member 5523 and the second clamping member 5524 are oppositely disposed on the jig and the clamping sliding plate 5522.

The structure and operation principle of the first clamping member 5523 and the second clamping member 5524 are the same. In the following, taking the first clamping member 5523 as an example, the structure and operation of the first clamping member 5523 and the second clamping member 5524 will be explained. Principle of operation.

The first clamping member 5523 includes a clamping fixing plate 55231, a clamping driving member 55232 and a clamping block 55233. The clamping and fixing plate 55231 is arranged on the jig and the clamping sliding plate 5522. The clamping driving member 55232 is arranged on the clamping fixing plate 55231. The clamping block 55233 is slidably arranged on the clamping fixing plate 55231 through the guide rail slider, and the clamping block 55233 is connected to the output end of the clamping driving member 55232.

Furthermore, the jig setting component 553 includes a jig setting drive member 5531 and a jig setting member 5532. The jig-aligning driving member 5531 is installed on the jig-aligning mounting frame 551. The jig setting member 5532 is disposed at the output end of the jig setting driving member 5531. In specific application, the structure and operation principle of the fixture setting member 5532 and the pole piece pick-and-place correction member 544 are the same, and will not be repeated here.

In specific applications, after the pick-and-place mechanism 52 attaches the negative pole piece 103 to the diaphragm 101, the turntable 512 drives the pick-and-place mechanism 52 to rotate to the station of the jig-aligning mechanism 55, and the jig-aligned clamping slide drive 5521 drives The fixture-aligned clamping sliding plate 5522 moves toward the pick-and-place mechanism 52, and the fixture-aligned clamping sliding plate 5522 drives the first clamping piece 5523 and the second clamping piece 5524 to move to the corresponding pick-and-place fixture 522, and then , The two clamping drive members 55232 simultaneously drive the two clamping blocks 55233 to move in the direction of the pick-and-place jig 522, the two clamping blocks 55233 respectively clamp the two sides of the pick-and-place jig 522, and the electromagnetic clutch 52121 is de-energized. The pendulum driver 5531 generates a driving force to drive the pendulum needle of the fixture pendulum 5532 into the correction block 5222 to implement the correction of the pick-and-place jig 522 after correction. After correction, the electromagnetic clutch 52121 is energized for pick-and-place The material movable plate 5213 is magnetically attracted to the pick-and-place support plate 5212, and then, the turntable 512 drives the straight pick-and-place jig 522 to rotate to the positions of the dust removal mechanism 56 and the static removal mechanism 57.

Please refer to FIG. 15, which is a schematic diagram of the structure of the dust removing mechanism 56 and the static removing mechanism 57 in the embodiment of the present invention. As shown in the figure, the dust removal mechanism 56 includes a dust removal installation seat 561, a dust removal moving drive 562, a dust removal brush 563, and a dust removal drive 564. The dust removal mounting seat 561 is arranged along the rotation of the turntable 512. The dust removal moving driving member 562 is disposed on the dust removing mounting seat 561. Specifically, the dust removing moving driving member 562 is an air cylinder. The dust removing brush 563 is connected to the output end of the dust removing moving driving member 562 through the connecting plate 565. The dust removal driving part 564 is disposed on the connecting plate 565, and the output end of the dust removal driving part 564 is connected to the dust removal brush 563. Specifically, the dust removal driving part 564 is an air cylinder.

The static removing mechanism 57 of the picking and placing jig is installed on the dust removing installation seat 561. Specifically, the static-eliminating mechanism 57 of the pick-and-place jig is an ion wind aluminum rod, which is easy to install, safe and stable in work, and fast in eliminating static electricity.

In specific applications, the turntable 512 drives the placed pick and place jig 522 to rotate to the station of the dust removal mechanism 56, the dust removal moving drive 562 drives the connecting plate 565 to move to the pick and place jig 522, and the connection plate 565 drives the dust removal brush 563 to move To abut the suction plate 5221, the dust removal drive 564 drives the dust removal brush 563 to rotate to remove dust on the surface of the suction plate 5221, and the removed dust is sucked away through the vacuum tube. The surface of 5221 is electrostatically removed to prevent static electricity from affecting subsequent operations.

The lamination device 6 includes a lamination transfer mechanism 61, a lamination pull-out mechanism 62 and a lamination table 63. The laminated sheet transfer mechanism 61, the laminated sheet pull mechanism 62 and the laminated table 63 are sequentially arranged on the conveying path of the diaphragm 101. Specifically, the lamination transfer mechanism 61 is a double mover linear motor. Further referring to Figures 16 and 17, Figure 16 is a schematic diagram of the structure of the front pole piece and the diaphragm in the embodiment of the present invention; Figure 17 is a schematic diagram of the structure of the pole piece and the diaphragm during the lamination process in the embodiment of the present invention, as shown in FIG. As shown, after the diaphragm feeding device 1, the first pole piece feeding device 2, the second pole piece feeding device 3, the diaphragm bag making device 4, and the pole piece pick-and-place device 5, a multi-section continuous unfolded cell assembly is obtained , Each cell assembly is composed of two sections of cells. One section of the two sections of cells stacks the diaphragm 101, the positive pole piece 102, the diaphragm 101 and the negative pole piece 103 in sequence from bottom to top. The other section of the battery cell stacks the negative pole piece 103, the separator 101, the positive pole piece 102 and the separator 101 in order from bottom to top; in specific applications, one end of the unfolded cell assembly passes through the laminate transfer mechanism 61 and the laminate pull in sequence The lamination mechanism 62 is moved to the work position of the lamination table 63 by mechanical hand. The pressing knife of the lamination table 63 presses the cell assembly, and the lamination pulling mechanism 62 pulls the cell assembly into a "Z" shape, "Z" ""-Shaped lamination is placed on the lamination table 63, the lamination table 63 rotates 90 degrees, the manipulator clamps the folded cell assembly, the cutter cuts the cell assembly, and the manipulator takes out the stacked cell assembly and moves to the next Work station for processing.

Preferably, a cell imprinting device can be provided before the lamination, and the cell imprinting device imprints the position of the cell assembly lamination to facilitate subsequent lamination. In specific application, the structure and operation principle of the cell imprinting device and the pole piece crease mechanism 26 are the same, and will not be repeated here.

In specific applications, the above-mentioned diaphragm feeding device 1, the first pole piece feeding device 2, the second pole piece feeding device 3, the diaphragm bag making device 4, the pole piece picking and placing device 5, and the lamination device 6 are all electrically connected to the stacking machine The control system of the stacking machine controls the diaphragm feeding device 1, the first pole piece feeding device 2, the second pole piece feeding device 3, the diaphragm bag making device 4, the pole piece picking and placing device 5 and the stacking device 6 Actuate to achieve the effect of automatic control of the stacker. Of course, the control system of the stacker can be any of industrial computer, PLC or single-chip microcomputer, which will not be repeated here.

In summary, in one or more embodiments of the present invention, the laminating machine of the present invention adopts a diaphragm feeding device, a first pole piece feeding device, a second pole piece feeding device, a diaphragm bag making device, and a pole piece taking device. The placement device and the lamination device cooperate with each other to realize the continuous production and continuous lamination of the electric core, with fast lamination speed and high precision.

The above are only the embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

A stacking machine is characterized by comprising: a diaphragm feeding device (1), a first pole piece feeding device (2), a second pole piece feeding device (3), a diaphragm bag making device (4), and a pole piece The pick-and-place device (5) and the lamination device (6); the first pole piece feeding device (2) conveys the first pole piece; the diaphragm feeding device (1) conveys the diaphragm, and the diaphragm is attached to the The side of the first pole piece; the diaphragm carrying the first pole piece is moved to the diaphragm bag making device (4), and the diaphragm bag making device (4) supports the first pole piece The diaphragm is bagged to form a pole piece package; the pole piece pick-and-place device (5) sucks the second pole piece feeding device (3) that has the opposite polarity to the first pole piece Two pole pieces, and the second pole pieces are attached to the diaphragm of each pole piece package in turn, and the second pole pieces attached to two adjacent pole piece packages are located in the Different surfaces of the diaphragm to form a cell assembly; the lamination device (6) laminates the cell assembly.
The stacking machine according to claim 1, wherein the diaphragm feeding device (1) comprises a diaphragm unwinding mechanism (11) and a diaphragm processing mechanism (12); the diaphragm unwinding mechanism (11) unwinds The diaphragm is wound, and the diaphragm processing mechanism (12) performs electrostatic treatment on the diaphragm.
The stacking machine according to claim 1, wherein the first pole piece feeding device (2) and the second pole piece feeding device (3) both include a pole piece unwinding mechanism (21), Die-cutting mechanism (22), pole-piece pulling mechanism (23), pole-piece tensioning mechanism (24), and pole-piece correction mechanism (25); the pole-piece die-cutting mechanism (22) is set on the pole piece One side of the winding mechanism (21); the pole piece pulling mechanism (23) is located between the pole piece unwinding mechanism (21) and the pole piece die cutting mechanism (22); the pole piece tensioning mechanism (24) is located between the pole piece pulling mechanism (23) and the pole piece die cutting mechanism (22); the pole piece correction mechanism (25) is located between the pole piece tensioning mechanism (24) and the Between pole piece die cutting mechanism (22).
The stacking machine according to claim 3, wherein the first pole piece feeding device (2) further comprises a pole piece creasing mechanism (26); the pole piece creasing mechanism (26) is located in the Between the pole piece correction mechanism (25) and the pole piece die cutting mechanism (22).
The stacking machine according to claim 3, wherein the second pole piece feeding device (3) further comprises a pole piece conveying mechanism (31); the pole piece conveying mechanism (31) is located in the pole piece Between the die-cutting mechanism (22) and the pole piece pick-and-place device (5).
The stacking machine according to claim 1, wherein the diaphragm bag making device (4) comprises a bag making fixing seat (41), a first hot pressing bag making mechanism (42) and a second hot pressing bag making mechanism ( 43); The first hot-pressing bag mechanism (42) and the second hot-pressing bag mechanism (43) are arranged opposite to the bag-making fixing seat (41); when the first pole piece is carried When the diaphragm passes between the first hot-pressed bag mechanism (42) and the second hot-pressed bag mechanism (43), the first hot-pressed bag mechanism (42) and the second hot-pressed bag mechanism (42) The mechanism (43) bags the diaphragm to form the pole piece package.
The stacker according to claim 1, characterized in that the pole piece pick-and-place device (5) includes a rotating mechanism (51) and a pick-and-place mechanism (52); the pick-and-place mechanism (52) is arranged at the The rotating mechanism (51).
The stacking machine according to claim 7, characterized in that the pole piece pick-and-place device (5) further comprises a pole piece position detection mechanism (53); the pole piece position detection mechanism (53) is arranged on the Pick and place mechanism (52) on the moving path.
The stacker according to claim 7, characterized in that the pole piece pick-and-place device (5) further comprises a pole piece pick-and-place correction mechanism (54); the pole piece pick-and-place correction mechanism (54) is arranged at On the moving path of the pick-and-place mechanism (52).
The stacking machine according to claim 7, characterized in that the pole piece pick-and-place device (5) further comprises a jig-aligning mechanism (55); the jig-aligning mechanism (55) is arranged on the Pick and place mechanism (52) on the moving path.
The stacking machine according to claim 7, characterized in that the pole piece pick-and-place device (5) further comprises a dust removal mechanism (56); the dust removal mechanism (56) is arranged on the pick-and-place mechanism (52) On the moving path.
The stacker according to claim 34, characterized in that the pole piece pick-and-place device (5) further comprises a pick-and-place jig and static-eliminating mechanism (57); the pick-and-place jig and static-elimination mechanism (57) It is provided in the dust removal mechanism (56).
The laminating machine according to claim 1, wherein the lamination device (6) comprises a lamination transfer mechanism (61), a lamination pull-out mechanism (62) and a lamination table (63); A laminated sheet transfer mechanism (61), a laminated sheet pulling mechanism (62) and a laminated table (63) are sequentially arranged on the conveying path of the diaphragm.