WO2018076334A1

WO2018076334A1 - Cell edge encapsulation apparatus

Info

Publication number: WO2018076334A1
Application number: PCT/CN2016/104002
Authority: WO
Inventors: 殷科; 贾宝安; 王勇; 项春江
Original assignee: 东莞新能源科技有限公司
Priority date: 2016-10-31
Filing date: 2016-10-31
Publication date: 2018-05-03

Abstract

Disclosed is a cell edge encapsulation apparatus, comprising: a material feeding mechanism (1) for providing a cell (B) with an edge to be encapsulated; an edge cutting mechanism (5) for cutting an edge of the received cell (B); a positioning mechanism (D) for encapsulated-edge adhesive coating, which is used for acquiring a section profile of an encapsulated edge of the cell (B) after edge cutting to position the cell (B); an encapsulated-edge adhesive coating mechanism (7) for coating the section of the encapsulated edge with an adhesive according to the profile acquired by the positioning mechanism (D) for encapsulated-edge adhesive coating; a curing mechanism (8) for curing an adhesive layer on the cell (B) after adhesive coated; a folded edge adhesive coating mechanism (9) for coating the encapsulated edge of the cell (B) with the adhesive after cured by the curing mechanism (8); and folded edge shaping mechanisms (A) for bending the encapsulated edge of the cell (B) coated by the folded edge adhesive coating mechanism (9) to a main body of the cell (B). Since the encapsulated-edge adhesive coating mechanism (7) performs adhesive coating according to the section profile of the encapsulated edge of the cell (B) acquired by the positioning mechanism (D) for encapsulated-edge adhesive coating, the cell edge encapsulation apparatus has a better flexibility and compatibility, and is suitable for edge encapsulation of various types of cells (B), thereby simplifying the edge encapsulation process of the cell (B) and improving the edge encapsulation quality of the cell (B).

Description

Battery edge banding equipment

Technical field

The present invention relates to the field of battery manufacturing, and in particular to a battery edge banding device.

Background technique

After the bare cell of the lithium battery is covered by the upper and lower packaging films, there is a thin metal layer on the outer contour of the package side formed by thermocompression bonding of the two packaging films, and the metal layer is exposed to the risk of short-circuiting the electrical components, and Corrosion of the metal layer during long-term use poses a safety hazard to the safety of the battery core. The cell edge-sealing process uses a strip to cover the outer contour of the package edge to prevent the occurrence of exposed metal. The existing battery edge-sealing equipment is limited to rectangular batteries with regular shapes, and the equipment only needs to be positioned, glued, and folded. When the battery core is non-rectangular or other complicated structure, the device will not be able to move linearly at the edge of the packaging film due to design problems, and the rubber strip cannot completely cover the outer contour of the package edge, posing a risk of metal exposure. Therefore, the conventional solution cannot be applied to non-rectangular cells. At the same time, the existing battery edge banding equipment can not realize the scale industrial production of non-rectangular batteries, and the production efficiency is low.

Summary of the invention

In view of the problems in the prior art, an object of the present invention is to provide a battery edge banding device which has better flexibility and compatibility, is suitable for edge sealing of various types of batteries, and simplifies the battery core. The edge-sealing process improves the edge-sealing quality of the battery core and can be applied to large-scale industrial production of various types of batteries, reducing equipment costs and improving the production efficiency of the battery cells.

In order to achieve the above object, the present invention provides a battery edge banding device, comprising: a feeding mechanism for providing a battery core to be sealed; a trimming mechanism for trimming the fed battery core; and an edge sealing glue The positioning mechanism collects the contour of the package side section of the trimmed battery core, and positions the battery core; the edge sealing rubber coating mechanism coats the section of the package side according to the contour collected by the positioning mechanism for the edge sealing glue; The curing mechanism cures the glue layer on the glued battery core; the crimping glue coating mechanism applies glue on the package edge of the battery core cured by the curing mechanism; and the folding edge shaping mechanism will be glued by the hemming The package side of the body-coated cell is bent onto the body of the cell.

The beneficial effects of the present invention are as follows:

In the battery core edge-sealing device according to the present invention, since the edge-sealing glue-coating mechanism collects electricity according to the positioning mechanism for the edge-sealing glue The outline of the package side section of the core is glued on the side of the package side, so the battery edge banding device of the invention has better flexibility and compatibility, is suitable for edge sealing of various types of batteries, and simplifies the battery core. The edge-sealing process improves the edge-sealing quality of the battery core; at the same time, the battery core-sealing device of the invention passes the feeding mechanism, the trimming mechanism, the positioning mechanism for the edge-sealing glue, the edge-sealing glue-coating mechanism, the curing mechanism, and the hem The gluing mechanism and the hemming mechanism realize a complete cell edge sealing process, which can be applied to large-scale industrial production of various types of cells, reducing equipment cost and improving cell production efficiency.

DRAWINGS

Figure 1 is a schematic view of a cell edge banding device in accordance with the present invention;

Figure 2 is a schematic view of a feeding mechanism of a cell edge banding device in accordance with the present invention;

Figure 3 is a schematic view of a pre-shaping mechanism of a cell edge banding device in accordance with the present invention;

Figure 4 is a schematic view of a trimming mechanism of a cell edge banding device in accordance with the present invention;

Figure 5 is a schematic illustration of a trimming mechanism of a cell edge banding device in accordance with the present invention;

Figure 6 is a schematic view showing the edge-sealing mechanism and the positioning mechanism for edge-sealing of the battery edge-sealing device according to the present invention;

Figure 7 is a schematic view of a curing mechanism of a cell edge banding device in accordance with the present invention;

Figure 8 is a schematic view of a manipulator for a hemming coating mechanism of a hemming coating mechanism of a cell edge banding device according to the present invention;

9 is a schematic view of a hemming coating assembly of a hemming coating mechanism of a cell edge banding device according to the present invention;

Figure 10 is a schematic view showing a cutter assembly for a hemming coating mechanism of a hemming coating mechanism of a cell edge banding device according to the present invention;

Figure 11 is a schematic illustration of a hemming mechanism of a cell edge banding device in accordance with the present invention.

Among them, the reference numerals are as follows:

1 feeding mechanism 64 drive cylinder for lower platen assembly

11 vacuum drawing belt 7 edge coating mechanism

111 low vacuum zone 71 fixed components

12 feeding mechanism motor 72 single-axis manipulator for edge banding mechanism

13 sensing device 73 glue assembly

14 scan code device 74 drive components

15 governor assembly 741 first drive assembly

2 pre-shaping mechanism 742 second drive component

21 pre-shaping mechanism with lower pressing plate 75 sealing edge coating mechanism robot

22 inlet and outlet cylinders 8 curing mechanism

23 pre-shaping mechanism with upper pressure plate 81 flip assembly

24 upper platen drive cylinder 82 bracket

25 pre-shaping mechanism robot 83 curing box

3 slewing mechanism 84 reflow bracket assembly

31 rotary disc 9 fold edge coating mechanism

Positioning jig for 32-slewing mechanism

4 cutting edge positioning mechanism 92 folding edge glue assembly

5 trimming mechanism 93 cutter assembly for crimping mechanism

51 cutting edge manipulator A folding edge shaping mechanism

52 cutter assembly A1 bearing plate

53 cutting edge cylinder A2 folding edge shaping mechanism upper pressure plate assembly

6 trimming mechanism A3 hemming component

61 upper platen assembly B battery

62 lower platen assembly C cutting mechanism

63 upper pressure plate assembly drive cylinder D edge sealing rubber positioning mechanism

detailed description

The battery edge banding device of the present invention will be described in detail below with reference to the accompanying drawings.

1 to 11, a battery edge banding device according to the present invention includes: a feeding mechanism 1 that provides a battery core B to be sealed; a trimming mechanism 5 that cuts the fed battery core B; The positioning mechanism D for the glue collects the outline of the package side section of the trimmed battery B, and positions the battery core B; the edge sealing rubberizing mechanism 7 collects the contour according to the positioning mechanism D of the edge sealing glue. The cross-section of the package side is glued; the curing mechanism 8 cures the glue layer on the glued battery B; the hemming glue coating mechanism 9 applies glue on the package side of the battery core B which has been solidified by the curing mechanism 8; And the hemming shaping mechanism A, the package side of the battery cell B which is glued by the hemming coating mechanism 9 is bent onto the main body of the battery core B.

In the cell edge-sealing device according to the present invention, since the edge-sealing glue-coating mechanism 7 collects the cross-section of the package side section of the battery cell B according to the edge-sealing adhesive positioning mechanism D, the cross-section of the package side is coated, so the present invention The battery edge banding device has better flexibility and compatibility, and is suitable for the edge sealing of various types of batteries (especially the irregularly shaped battery core B of the package side), which simplifies the edge sealing process of the battery core. The edge sealing quality of the battery core is improved; at the same time, the battery core edge sealing device of the invention passes the feeding mechanism 1, the trimming mechanism 5, the positioning mechanism D for the edge sealing coating, the edge sealing coating mechanism 7, the curing mechanism 8, and the folding edge Paint The glue mechanism 9 and the folding edge shaping mechanism A realize a complete cell edge sealing process, and can be applied to large-scale industrial production of various types of batteries, thereby reducing equipment costs and improving the production efficiency of the battery cells.

It is added here that the outline of the package side section acquired by the positioning mechanism D for the edge sealant and the outline of the package side collected by the positioning mechanism 4 for the trimming described later refer to the edge line of the package side (the edge line can be shown) The outline of the battery core B as a whole).

In the battery core sealing device according to the present invention, the battery core sealing device further comprises: a control system, receiving information and controlling the feeding mechanism 1, the trimming mechanism 5, the positioning mechanism D for the edge sealing glue, and the edge sealing coating mechanism 7. Curing mechanism 8, hemming coating mechanism 9 and hemming shaping mechanism A. At the same time, the control system can also receive information and control the pre-shaping mechanism 2, the swing mechanism 3, the trimming positioning mechanism 4, and the trimming shaping mechanism 6 which will be described later.

In the battery edge banding device according to the present invention, referring to FIG. 2, the feeding mechanism 1 comprises: a vacuum drawing belt 11 provided with a plurality of low vacuum regions 111, each of the low vacuum regions 111 adsorbing the corresponding battery cells B; The motor 12 drives the vacuum belt 11 to rotate, thereby driving the battery B on the vacuum belt 11 to travel; the sensing device 13 senses and determines the position at which the battery B travels; and the scanning device 14 determines the position of the sensing device 13. After the battery B is scanned. The pre-processing step places the battery core B on the vacuum drawing belt 11 and is fixedly fixed by the corresponding low vacuum region 111; the feeding mechanism drives the battery core B on the vacuum drawing belt 11 to drive forward; when the battery core B travels to When the sensing device 13 is within the sensing range, the sensing device 13 senses and determines the position of the battery B; the battery B continues to travel, the battery B is scanned by the scanning device 14, and the battery B is recorded by the system to confirm the entry into the back. The process of edge sealing.

In the battery edge banding device according to the present invention, referring to Fig. 2, the feeding mechanism 1 includes a governor assembly 15 for adjusting the rotational speed of the vacuum drawing belt 11.

In the battery edge banding device according to the present invention, referring to FIGS. 1 and 3, the cell edge banding device further includes: a pre-shaping mechanism 2 for hot-pressing the package side of the battery cell B provided by the feeding mechanism 1.

In the battery edge banding device according to the present invention, referring to FIG. 3, the pre-shaping mechanism 2 includes: a lower pressing plate 21 for pre-shaping mechanism, a contoured recess for accommodating the battery core B; and an inlet and outlet cylinder 22 for driving the pre-shaping The mechanism is extended and retracted by the lower pressing plate 21; the upper shaping plate 23 is located above the lower pressing plate 21 for the pre-shaping mechanism; the upper pressing plate is driven by the driving cylinder 24, and is connected to the pre-shaping mechanism upper pressing plate 23 and drives the pre-shaping mechanism Move up and down with the upper platen 23.

In the battery edge banding device according to the present invention, referring to FIG. 1, the pre-shaping mechanism 2 further includes a pre-shaping mechanism robot 25 for placing the battery cells B on the feeding mechanism 1 into the lower pressing plate 21 for the pre-shaping mechanism. Perform pre-shaping. In addition, the pre-shaping mechanism robot 25 can directly move the pre-shaped battery B into the trimming mechanism 5 for trimming, or the pre-shaped battery B can be placed in the trimming described later. The positioning mechanism 4 performs positioning, and the pre-shaped battery cell B can be placed in the slewing mechanism 3, which will be described later, and then the pre-shaped battery cell B is indirectly moved by the slewing mechanism 3. The cutting edge is positioned by the positioning mechanism 4, and moved into the trimming mechanism 5 to perform trimming.

In the cell edge-sealing device according to the present invention, the inlet and outlet cylinders 22 push the pre-shaping mechanism out of the lower platen 21, and the pre-shaping mechanism uses the robot 25 to place the battery cells B on the feeding mechanism 1 for scanning the pre-shaping mechanism. The preforming cylinder 22 drives the pre-machining mechanism to be retracted by the lower pressing plate 21, so that the pre-shaping mechanism upper pressing plate 23 and the pre-shaping mechanism lower pressing plate 21 are opposed to each other; the upper pressing plate driving cylinder 24 The driving pre-shaping mechanism is moved downward by the upper pressing plate 23, and is clamped together with the lower pressing plate 21 of the pre-shaping mechanism to preheat the package side of the battery core B (the upper pressing plate 23 for the pre-shaping mechanism and the pre-shaping mechanism) The lower pressing plate 21 is provided with a heat generating tube); after the hot pressing continues for a certain process time (ensure that the hot pressing has a good shaping effect on the package side), the upper pressing plate drives the pre-shaping mechanism to drive the pre-shaping mechanism upward by the upper pressing plate 23, and the feeding and discharging are performed. The cylinder 22 pushes the pre-shaping mechanism with the lower pressing plate 21, and the pre-shaping mechanism uses the robot 25 to insert the battery B (directly or indirectly) after the hot-press pre-shaping into the trimming positioning mechanism 4 to be described later; Using robot 25 Then, the battery cell B on which the scanning code is completed on the feeding mechanism 1 is placed in the contoured pit of the lower pressing plate 21 for the pre-shaping mechanism, and proceeds to the next cycle.

In the cell edge banding device according to the present invention, referring to FIG. 1, the cell edge banding device further includes: a slewing mechanism 3 that receives and fixes the battery cell B fed by the feeding mechanism 1, and drives the battery cell B to move to a different one. Station. The slewing mechanism 3 includes: a rotary disk 31 driven by a motor and cyclically rotated; and a plurality of slewing mechanisms are fixed to the rotary disk 31 by a positioning jig 32, and the battery core B is clamped, and the slewing mechanism is provided with a positioning clamp 32 along with the rotary disk 31 is sequentially rotated to different stations (for example, the positioning station where the positioning mechanism 4 for trimming is described later, the trimming station where the trimming mechanism 5 is located, and the trimming station where the trimming mechanism 6 is located). When the battery core B held by the positioning fixture 32 is rotated by the positioning mechanism 4, the rotary disk 31 is rotated, and the rotary mechanism is rotated to the trimming by the positioning clamp 32 and the battery cell B clamped therebetween. At the same time, there is another station in which the positioning mechanism is moved by the positioning jig 32 and its clamped battery B to the positioning station where the trimming positioning mechanism 4 is located. That is to say, each rotation of the rotary disk 31, the positioning station of the cutting edge positioning mechanism 4, the trimming station of the trimming mechanism 5, and the trimming station of the trimming mechanism 6 have corresponding rotations. The mechanism uses a positioning jig 32. The pre-shaping mechanism robot 25 can put the pre-shaped battery cell B into a positioning mechanism 32 for the swing mechanism, and then move the battery core B on the positioning fixture 32 of the one swing mechanism to the trimming by the rotary disk 31. The positioning mechanism 4 performs positioning.

In the battery edge banding device according to the present invention, referring to FIG. 1, the cell edge banding device further includes: a positioning mechanism 4 for trimming, and collecting the outline of the package side of the battery core B before the trimming mechanism 5 is trimmed, Battery B is positioned.

In the cell edge banding device according to the present invention, the positioning mechanism 4 for trimming and the positioning mechanism D for edge banding are CCD detectors.

The cutting edge is rotated by the positioning mechanism 4 (CCD detector) to the positioning station where the positioning mechanism 4 for cutting is located The rotating mechanism uses the battery B on the positioning jig 32 (or is directly moved by the shaping mechanism robot 25 to the battery B of the trimming positioning mechanism 4) to take an image, generate an image and transmit it to the control system; the control system passes the image according to the image. The position and shape of the battery core B are determined, and then the motion trajectory of the trimming mechanism 5 is calculated, thereby driving the trimming mechanism 5 to move and trimming the battery core B according to the trajectory. The control system calculates the position at which the trimming mechanism 5 (the trimming robot 51 to be described later) moves based on the image generated by the trimming positioning mechanism 4, the angle at which the rotary disk 31 is rotated, and the required process accuracy.

The edge-sealing glue positioning mechanism D (CCD detector) photographs the battery B after trimming of the trimming mechanism 5 (or trimming of the trimming mechanism 6 described later), generates an image, and transmits the image to the control system; The control system searches for the contour position of the cross section of the package side of the battery cell B according to the image, and calculates the movement trajectory of the edge seal rubberizing mechanism 7 (the components described later), and then the edge seal rubberizing mechanism 7 moves according to the motion trajectory and The section of the package is glued.

In the battery edge banding device according to the present invention, referring to FIG. 4, the trimming mechanism 5 includes: a trimming robot 51; a cutter assembly 52 fixed to the trimming robot 51; and a trimming cylinder 53 for fixing The trimming robot 51 is coupled to the cutter assembly 52 to drive the cutter assembly 52 to trim the battery core B. The trimming robot 51 moves the cutter assembly 52 to the trimming position according to the information of the trimming positioning mechanism 4, and then the cutting edge drives the cutter assembly 52 with the cylinder 53 to trim the package side of the battery core B to electrically The package edge of core B is machined to the required size range. After the trimming mechanism 5 cuts the battery core B, a cross section is formed, that is, a position where the edge sealing rubber coating mechanism 7 seals the edge.

In the cell edge banding device according to the present invention, referring to Fig. 4, the trimming mechanism 5 is one or more groups.

In the battery edge banding device according to the present invention, referring to Fig. 4, at least one cutter assembly 52 is fixed to the trimming robot 51, and each cutter assembly 52 is driven by a corresponding trimming cylinder 53 respectively. The number of sets of the trimming mechanism 5 and the number of the cutter assemblies 52 on the trimming robot 51 are rated in accordance with the position and number of the package sides of the battery B.

In the cell edge-sealing device according to the present invention, referring to FIGS. 1 and 5, the cell edge-sealing device further includes a trimming mechanism 6 for trimming the cell B trimmed by the trimming mechanism 5.

In the battery edge banding device according to the present invention, referring to FIG. 5, the trimming mechanism 6 includes an upper platen assembly 61 having a heat generating tube therein, and a lower platen assembly 62 located on the lower side of the upper platen assembly 61 and internally provided. There is a heat pipe; the upper platen assembly drives the cylinder 63 to drive the upper platen assembly 61 to move up and down; and the lower platen assembly uses the drive cylinder 64 to drive the lower platen assembly 62 to move up and down. When the slewing mechanism on the turntable 31 moves the battery B to the trimming station where the trimming mechanism 6 is located by the positioning jig 32, the upper platen assembly drives the upper platen assembly 61 to move downward by the driving cylinder 63, and the lower platen assembly The lower platen assembly 62 is driven upward by the driving cylinder 64, the upper platen assembly 61 and the lower platen assembly 62 are clamped and the package side of the battery core B is hot pressed, thereby eliminating the package edge during the trimming process of the trimming mechanism 5 The stress is applied to ensure that the package side of the battery cell B that enters the subsequent process is flat.

In the battery edge banding device according to the present invention, referring to FIG. 6, the edge sealing rubberizing mechanism 7 comprises: a fixing component 71, which is solid a glued battery cell B; a glue assembly 73 for coating the insulating glue; and a driving assembly 74 for driving the fixing assembly 71 to move the battery core B to the edge-sealing positioning mechanism D for collecting the package side section The contour is driven to drive the fixing assembly 71 and the glue assembly 73 relative to each other to cause the glue assembly 73 to be glued on the cross section of the package side. It is added here that the dotted line portion in Fig. 6 only shows the acquisition process, in fact the fixing member 71 of the broken line portion does not exist.

In the cell edge-sealing device according to the present invention, the driving component 74 drives the fixing component 71 (the battery cell B) to move into the collection range of the edge-sealing positioning mechanism D, and then the edge-sealing glue is collected by the positioning mechanism D. The outline of the package side section of the core B; after the control system of the cell edge banding device receives the profile information (and calculates the relative motion trajectory of the glue assembly 73 and the fixed component 71), the fixed component 71 is mounted by the drive assembly 74. The battery cell B moves into the range of the glue assembly 73, and drives the fixed assembly 71 and the glue assembly 73 to move relative to each other according to the contour information, and the relative movement trajectory matches the contour information, so that the glue assembly 73 is along The section of the package side is moved and glued. Therefore, the cell edge-sealing device of the present invention has better flexibility and compatibility, and is suitable for edge sealing of various types of cells (especially the cell B with irregular outline of the package side), which simplifies the battery core. Edge sealing technology to improve the quality of the edge of the battery.

In the cell edge sealing apparatus according to the present invention, referring to Fig. 6, one fixing unit 71 is provided with two stations.

In the battery core sealing device according to the present invention, referring to FIG. 1, the edge sealing rubberizing mechanism 7 further comprises: a sealing hand coating mechanism robot 75 having two working positions for moving the battery core B, capable of cutting the edge ( Or trimming) The battery B is moved to the fixing unit 71 for coating, and the glued battery B can be moved to the curing mechanism 8. The edge-sealing glue-coating mechanism uses a manipulator 75 to move the battery core B only one station during each movement, and the other is vacant; initially, the first step of the manipulator 75 for the edge-sealing glue-coating mechanism is fixed with a battery core. The second station is vacant, the moving edge banding mechanism uses the robot 75 and the battery B on the first station is placed on a station on a fixed assembly 71, and the battery B on the station is glued. The other station on the fixing component 71 is vacant; then, the second station of the manipulator 75 for the edge-sealing glue-coating mechanism is fixed with the battery core B and the first station is vacant, and the robot for moving the edge-sealing mechanism 75 And placing the battery B on the second station to the other station of the fixed assembly 71 (the last circulating vacant station), the first station grabbing the fixed station 71 at the one station The battery B (that is, the battery B of the edge-sealing glue is completed in the last cycle); the moving edge-sealing mechanism robot 75 then moves the battery B grasped by the first station to the curing mechanism 8; The moving edge banding mechanism uses the robot 75 to enter another cycle. The method of the edge-sealing glue-coating mechanism for grasping the battery core B by the robot 75 can effectively improve the production efficiency and reduce the production cost.

In the battery edge banding device according to the present invention, the edge banding mechanism 7 further includes: a single-axis robot 72 for the edge banding mechanism for trimming the finished trimming mechanism 6 on the swing mechanism 3 The battery core B is removed so that the edge banding mechanism is grasped by the robot 75. A slewing mechanism on the slewing mechanism 3 uses a battery B on the positioning jig 32 After the trimming of the edge trimming mechanism 6 is carried out, it is moved by the rotary disk 31 to the grasping range of the single-axis robot 72 for the edge-sealing mechanism, and the sealing rubber-coating mechanism uses the single-axis robot 72 to connect the battery core. B is removed from the positioning mechanism 32 for the one slewing mechanism, so that the edge squeegee mechanism grasps the battery core B with the robot 75. The uniaxial manipulator 72 for the edge banding mechanism is provided with a suction cup for adsorbing the battery core B.

In the battery edge banding device according to the present invention, referring to FIG. 6, the driving assembly 74 includes: a first driving assembly 741 connected to the fixing assembly 71 and driving the fixing assembly 71 to move laterally; and a second driving assembly 742, and coating The glue assembly 73 is connected and drives the glue assembly 73 to move in the longitudinal direction. The first drive assembly 741 and the second drive assembly 742 can be rail slide mechanism driven by a motor.

In the cell edge-sealing device according to the present invention, the first driving component 741 can drive the fixing component 71 (the battery cell B) to the collection range of the edge-sealing positioning mechanism D, and then move the fixing component 71 to the collection after the acquisition is completed. The glue application unit 73 is within the glue application range. The lateral direction and the longitudinal direction form a plane, and the first driving component 741 and the second driving component 742 drive the fixing component 71 and the coating according to the contour of the package side section (the contour in the plane) acquired by the positioning mechanism D for the edge sealing glue. The glue assembly 73 moves within the plane. If the profile of the section extends in the longitudinal direction, the battery cell B is stationary, the second drive assembly 742 drives the glue assembly 73 to move longitudinally and glue the section; if the profile of the section extends in the lateral direction, the glue assembly 73 is allowed to stand. The first driving component 741 drives the battery core B on the fixing component 71 to move laterally and is glued on the cross section; if the profile of the cross section extends in a straight line or curve in the plane, the fixing component 71 and the glue applying component 73 are simultaneously Moving, so that the relative movement trajectory of the battery core B and the glue assembly 73 conforms to the profile of the section; here, it is added that the package edge of the battery core B is relatively flat after the hot-pressing by the trimming mechanism 6, and the thickness variation is small. Therefore, the positioning mechanism D for the edge-sealing glue only needs to collect the contour of the section of the package side of the battery core B in the plane without acquiring a three-dimensional contour.

In the battery edge banding device according to the present invention, the driving assembly 74 can also be a three-axis robot, a four-axis robot or a six-axis robot, which directly drives the battery cells B on the fixing assembly 71 to move in a three-dimensional space. For example, the glue assembly 73 remains stationary, and the drive assembly 74 directly moves the battery B on the fixed assembly 71 to the outline of the package side profile acquired by the edge sealant positioning mechanism D, and then the control system controls the drive according to the contour. The assembly 74 drives the battery B on the fixed assembly 71 to move; after the battery B moves to the range of the glue assembly 73, the movement path of the battery B coincides with the contour of the collected package side section.

In the cell edge-sealing apparatus according to the present invention, referring to FIG. 6, the glue-coated components 73 are at least one set, and the number of the fixing components 71 and the drive components 74 corresponds to the number of the glue-coated components 73. By selecting an appropriate number of groups, the production efficiency of the battery edge banding device of the present invention can be improved.

In the battery core sealing device according to the present invention, referring to FIG. 6, after the battery core B is glued, the edge sealing rubber coating machine is used. The robot 75 is also capable of moving the battery core B to the positioning mechanism D for the edge sealant to detect the thickness of the adhesive layer by the positioning mechanism D for the edge sealant. The edge-sealing glue-coating mechanism robot 75 can detect the thickness of the coating rubber layer by the positioning mechanism D for the edge-sealing glue before moving the battery core B finished by the edge-sealing to the curing mechanism 8. The thickness of the rubber layer of the package side section conforms to the process requirements; if it does not meet the requirements, the edge-sealing glue-coating mechanism is selected by the robot 75, and if it meets the requirements, the edge-sealing glue mechanism is moved to the curing mechanism 8 by the robot 75. The positioning mechanism D for the edge-sealing glue can be a CCD image recognition system, and the battery B is photographed, and a special light source and an algorithm are used to measure the thickness of the glue layer.

In the battery edge banding device according to the present invention, referring to FIG. 7, the curing mechanism 8 includes: a carrier 82 that receives and fixes the battery core B that has been edge-sealed by the edge sealing rubberizing mechanism 7; a curing box 83; The reflow adapter assembly 84 is circulated to move the battery B to be cured carried by the carrier 82 into the curing box 83, and after the curing is completed, the completed curing battery B carried by the holder 82 is removed from the curing box 83.

In the battery edge banding device according to the present invention, referring to FIG. 7, the curing mechanism 8 further includes: a flipping assembly 81 that fixes and flips the battery core B to be cured after being edge-sealed by the edge sealing rubberizing mechanism 7, and then The battery cell B is fed into the holder 82. For a layer of glue that requires photocuring, the specific direction of the cell B is required to be directed toward the light source, which is advantageous for the photocuring effect, so that the flipping member 81 is required to invert the cell B to the desired orientation. Usually, the shell B has a shallow pit on one side and a deep pit on the other side, usually facing one side of the shallow pit toward the light source.

In the cell edge-sealing device according to the present invention, the edge-sealing mechanism uses the robot 75 to place the edge-coated battery cell B on the flipping assembly 81 (with the suction cup), and the flipping member 81 is turned over and the battery cell is turned over. B is adjusted to the direction of the demand; after the flipping is completed, the battery B is moved in (the suction cup releases the battery B) in the holder 82; the carrier 82 is moved into the curing box 83 under the driving of the returning holder assembly 84, thereby the battery core B After curing, after a certain process time, the holder 82 is moved out of the curing box 83 by the reflow holder assembly 84, and the battery core on the holder 82 can be folded by the rubber coating mechanism 9 (the folding rubber coating mechanism described later) It is removed by the robot 91); the carrier 82 is reciprocally moved by the recirculating holder assembly 84 for recycling. The curing box 83 may be a photocuring box or a thermosetting box depending on the chemical properties of the glue.

In the battery edge banding device according to the present invention, referring to FIGS. 8 and 9, the hemming rubberizing mechanism 9 comprises: a crimping rubbering mechanism robot 91, a mobile curing core B; and a crimping rubber component. 92. Applying glue to the package side of the battery cell B on the manipulator 91 for the hemming coating mechanism. The hemming gluing mechanism moves the cell B into the gluing range of the hemming glue assembly 92 by the robot 91, and the hemming glue assembly 92 dispenses or stops the glue according to the signal of the control system.

In the cell edge banding device according to the present invention, referring to Fig. 1, the hemming gumming assembly 92 is one or more sets. The number of sets of hemming glue assemblies 92 can depend on the position and number of package edges of cell B.

In the cell edge-sealing apparatus according to the present invention, referring to Fig. 10, the hemming-coating mechanism 9 includes a cutter assembly 93 for the hemming-coating mechanism to cut off the excess glue layer at the edge of the package. In the process of sealing the edge banding mechanism 7 The cured adhesive layer may block the seam position in the package side profile (e.g., the circular recess in the cell B in Fig. 2), so the cutter assembly 93 cuts off the excess glue layer.

In the cell edge banding device according to the present invention, referring to Fig. 9, the hemming glue assembly 92 is composed of a glue can and a glue valve, and the glue can contains a hot melt adhesive.

In the battery edge banding device according to the present invention, referring to FIG. 11, the hemming shaping mechanism A includes: a pressure receiving plate A1, the lower side is supported by a spring for fixing the battery core B, and the package side of the battery core B is supported. The edge of the pressure plate A1 is exposed; the upper edge plate assembly A2 is located on the upper side of the pressure receiving plate A1, and is driven up and down by the cylinder; and the hemming assembly A3 is matched with the upper pressing plate assembly A2 of the hemming shaping mechanism to bend The corresponding package edge is folded, and the bent package edge can be pressed by the cylinder to the main body of the battery B.

In the cell edge-sealing apparatus according to the present invention, after the battery cell B is fixed to the pressure-retaining plate A1 (the pressure-receiving plate A1 can be provided with a vacuum chuck), the hemming mechanism is moved downward by the upper platen assembly A2 and is electrically The core B is pressed; then the hemming assembly A3 is moved to the lower side of the corresponding package side and is not in contact with the main body of the battery core B (and the pressure receiving plate A1); then, the hemming shaping mechanism continues downward with the upper platen assembly A2 Moving, thereby driving the battery core B and the bearing plate A1 (the spring force is less than the driving force of the cylinder) to move downward, the package side is bent upward by the resistance of the hemming assembly A3; the hemming shaping mechanism is moved to the upper platen assembly A2 to After the target position (for example, moving the thickness of one battery B downward), the movement of the hemming assembly A3 (in the direction close to the main body of the battery B) presses the upwardly bent package side onto the main body of the battery B. After the hemming assembly A3 is folded, the exit (moving away from the main body of the battery B) is completed, and the hemming mechanism is moved upward by the upper platen assembly A2, and the battery B returns to the initial position. The hemming assembly A3 is driven by a cylinder.

In the cell edge banding device according to the present invention, referring to FIG. 1, the hemming shaping mechanism A is two groups, and the hemming head A3 of one set is provided with a thermal head, and the other set of hemming parts A3 is provided. There is a cold indenter; the battery core B is first shaped by the hot crimping of the hemming assembly A3 (folding shaping mechanism A) provided with the thermal indenter, and then passes through the hemming assembly A3 with the cold indenter (folding shaping) Cold press hemming shaping of mechanism A); at least one hemming shaping mechanism A in each set of hemming shaping mechanism A (that is, each set of hemming shaping mechanism A is provided with a plurality of hemming shaping mechanisms A Effectively improve production efficiency, the folding edge shaping mechanism A in each group does not interfere with each other). The hemming assembly A3 provided with the thermal head is fixed to the main body of the battery B by a hot pressing action and a hot melt adhesive coated on the side of the package by the hemming coating mechanism 9. The hot head is made of brass and has a heat pipe inside. The cold head performs fine shaping on the folded edge (which can accelerate the solidification of the colloid and prevent the fold from opening).

In the cell edge-sealing device according to the present invention, after the cell B is glued by the hemming-coating mechanism 9, the hemming-coating mechanism uses the robot 91 to place the cell in the corresponding single-axis manipulator for the hemming mechanism. Then, the battery core is placed on the bearing plate A1 by the uniaxial manipulator by the hemming mechanism, and the hemming mechanism A reshapes the battery B by the hem forming mechanism, and then the hem arming mechanism is removed by the uniaxial robot.

In the cell edge banding device according to the present invention, referring to FIG. 1, the cell edge banding device further includes: a blanking mechanism C for removing the battery core B that has completed the hemming shaping. The battery B that has been folded and formed by the robot is moved to the unloading mechanism C.

Claims

A battery edge banding device, comprising:

Feeding mechanism (1), providing a battery core (B) to be sealed;

a trimming mechanism (5) for trimming the fed cells (B);

The positioning mechanism (D) for the edge-sealing glue collects the outline of the package side section of the trimmed battery core (B), and positions the battery core (B);

The edge-sealing glue-coating mechanism (7) is coated on the side of the package side according to the contour collected by the positioning mechanism (D) for the edge-sealing glue;

a curing mechanism (8) for curing the glue layer on the glued battery core (B);

a hemming coating mechanism (9) for applying glue on the package side of the battery cell (B) which is cured by the curing mechanism (8);

The hemming shaping mechanism (A) bends the package side of the battery core (B) which is glued by the hemming coating mechanism (9) onto the main body of the battery core (B).
The battery edge banding device according to claim 1, characterized in that the feeding mechanism (1) comprises:

The vacuum drawing belt (11) is provided with a plurality of low vacuum zones (111), and each low vacuum zone (111) adsorbs the corresponding battery cells (B);

The feeding mechanism uses a motor (12) to drive the vacuum drawing belt (11) to rotate, thereby driving the battery core (B) on the vacuum drawing belt (11) to travel;

An inductive device (13) that senses and determines a position at which the cell (B) travels;

The scanning device (14) scans the battery cell (B) after determining the position of the sensing device (13).
The cell edge banding device according to claim 1, characterized in that the feeding mechanism (1) further comprises: a governor assembly (15) for adjusting the rotational speed of the vacuum drawstring (11).
The cell edge banding device according to claim 1, wherein the cell edge banding device further comprises: a pre-shaping mechanism (2) for hot pressing the package side of the battery cell (B) provided by the feeding mechanism (1) Plastic surgery.
The cell edge banding device according to claim 4, wherein the pre-shaping mechanism (2) comprises:

The pre-shaping mechanism uses a lower pressing plate (21) and is provided with a contoured recess for accommodating the battery core (B);

The inlet and outlet cylinders (22) drive the pre-shaping mechanism to extend and retract with the lower pressing plate (21);

The pre-shaping mechanism uses an upper pressing plate (23) located above the lower pressing plate (21) of the pre-shaping mechanism;

The upper pressing plate driving cylinder (24) is connected to the pre-shaping mechanism upper pressing plate (23) and drives the pre-shaping mechanism to move up and down by the upper pressing plate (23).
The battery edge banding device according to claim 5, wherein the pre-shaping mechanism (2) further comprises:

The pre-shaping mechanism robot (25) is used to pre-shape the battery core (B) on the feeding mechanism (1) into the pre-shaping mechanism lower pressing plate (21).
The cell edge banding device according to claim 1, wherein

The battery edge sealing device further comprises: a slewing mechanism (3), which receives and fixes the battery core (B) fed by the feeding mechanism (1), and drives the battery core (B) to move to different stations;

The slewing mechanism (3) includes:

Return to the turntable (31), driven by the motor and cycled;

A plurality of slewing mechanisms are fixed to the rotary disk (31) by the positioning clamps (32), and the battery cores (B) are clamped, and the positioning clamps (32) of the rotary mechanisms are sequentially rotated to different ones with the rotary disk (31). Station.
The cell edge banding device according to claim 1, wherein the cell edge banding device further comprises: a trimming mechanism (4) for collecting the edge trimming mechanism (5) before the trimming (B) The outline of the package side is positioned to position the cell (B).
The cell edge banding device according to claim 8, wherein the trimming positioning mechanism (4) and the edge sealant positioning mechanism (D) are CCD detectors.
The cell edge banding device according to claim 1, characterized in that the edge trimming mechanism (5) comprises:

Trimming robot (51);

a cutter assembly (52) fixed to the trimming robot (51);

The trimming cylinder (53) is fixed to the trimming robot (51) and connected to the cutter assembly (52) to drive the cutter assembly (52) to trim the battery core (B).
The cell edge banding device according to claim 10, wherein the trimming mechanism (5) is one or more group.
The cell edge banding device according to claim 10, characterized in that the trimming robot (51) fixes at least one cutter assembly (52), and each cutter assembly (52) is respectively composed of a corresponding trimming cylinder ( 53) Drive.
The cell edge banding device according to claim 1, wherein the cell edge banding device further comprises: a trimming mechanism (6) for performing the core (B) trimmed by the trimming mechanism (5). Trimming.
The cell edge banding device according to claim 13, wherein the trimming mechanism (6) comprises:

The upper platen assembly (61) is internally provided with a heat pipe;

a lower platen assembly (62), located on the lower side of the upper platen assembly (61), and having a heat pipe inside;

The upper platen assembly drives the upper platen assembly (61) up and down by a drive cylinder (63);

The lower platen assembly uses a drive cylinder (64) to drive the lower platen assembly (62) up and down.
The cell edge banding device according to claim 1, characterized in that the edge banding mechanism (7) comprises:

Fixing component (71), fixing the battery core (B) to be glued;

a glue assembly (73) for applying an insulating glue;

a driving component (74), the driving fixing component (71) moves to move the battery cell (B) to the edge-sealing positioning mechanism (D) to collect the contour of the package side section, and drives the fixing component according to the contour information (71) And the glue assembly (73) is relatively moved to apply the glue assembly (73) to the cross section of the package side.
The cell edge banding device according to claim 15, wherein a set of fixing members (71) is provided with two stations.
The battery edge banding device according to claim 16, wherein the edge banding mechanism (7) further comprises:

The edge-coating mechanism robot (75) has two moving batteries (B) stations, which can move the trimmed battery cells (B) to the fixing assembly (71) for coating, and can be coated. The glued battery (B) is moved to the curing mechanism (8).
The cell edge banding device of claim 15 wherein the drive assembly (74) comprises:

a first drive assembly (741) coupled to the stationary assembly (71) and driving the stationary assembly (71) to move laterally;

The second drive assembly (742) is coupled to the glue application assembly (73) and drives the glue assembly (73) to move longitudinally.
The cell edge banding device according to claim 15, wherein the glue assembly (73) is at least one set, and the number of the fixing assembly (71) and the driving assembly (74) is different from that of the glue assembly (73). The number corresponds.
The cell edge banding device according to claim 17, wherein after the cell (B) is glued, the edge banding mechanism robot (75) is further capable of moving the cell (B) to the edge banding. The glue positioning mechanism (D) detects the thickness of the glue layer by the positioning mechanism (D) for the edge sealant.
The cell edge banding device according to claim 1 or 17, wherein the curing mechanism (8) comprises:

The support (82) receives and fixes the battery core (B) after being edge-sealed by the edge-sealing glue-coating mechanism (7);

Curing box (83);

The reflow adapter assembly (84) is circulated to move the battery cell (B) to be cured carried by the carrier (82) into the curing box (83), and the completed curing of the carrier (82) after the curing is completed The battery cell (B) is removed from the curing chamber (83).
The battery edge banding device according to claim 1, characterized in that the hemming coating mechanism (9) comprises:

a manipulator (91) for the hemming coating mechanism, and a mobile curing core (B);

The hemming glue assembly (92) is applied to the edge of the battery core (B) on the mandrel (91) of the hemming coating mechanism.
The cell edge banding device according to claim 22, wherein the hemming glue assembly (92) is one or more sets.
The battery edge banding device according to claim 22, wherein the hemming coating mechanism (9) comprises:

The crimping mechanism uses a cutter assembly (93) to remove excess glue layer at the edge of the package.
The cell edge banding device according to claim 22, wherein the hemming glue assembly (92) is composed of a glue can and a glue valve, and the glue can contains a hot melt adhesive.
The cell edge banding device according to claim 1, wherein the hemming shaping mechanism (A) comprises:

a pressure receiving plate (A1), the lower side is supported by a spring for fixing the battery core (B), and the package side of the battery core (B) is exposed from the edge of the bearing plate (A1);

The hemming mechanism uses an upper platen assembly (A2) on the upper side of the bearing plate (A1) to be driven up and down by the cylinder;

The hemming assembly (A3) cooperates with the upper pressing plate assembly (A2) of the hemming shaping mechanism to bend the corresponding package side, and can be driven by the cylinder to press the bent package side onto the main body of the battery cell (B).
The cell edge banding device according to claim 26, wherein

The folding edge shaping mechanism (A) is two groups, wherein the hemming assembly (A3) in one set is provided with a thermal indenter, and the other side of the hemming assembly (A3) is provided with a cold indenter;

The battery core (B) is first shaped by hot-pressing of the hemming assembly (A3) provided with the thermal head, and then subjected to cold-pressing and folding of the hemming assembly (A3) provided with the cold head;

At least one of the hemming shaping mechanisms (A) of each set of hemming shaping mechanisms (A).
The cell edge banding device according to claim 1, wherein the cell edge banding device further comprises:

The unloading mechanism (C) removes the battery (B) after the hemming and shaping.
The cell edge banding device according to claim 1, wherein the cell edge banding device further comprises: a control system, receiving information and controlling the feeding mechanism (1), the trimming mechanism (5), and the edge banding coating. Glue positioning mechanism (D), edge sealing glue mechanism (7), curing mechanism (8), hemming coating mechanism (9) and hemming shaping mechanism (A).