CN109698373B - Battery pack manufacturing apparatus for secondary battery - Google Patents
Battery pack manufacturing apparatus for secondary battery Download PDFInfo
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- CN109698373B CN109698373B CN201810077011.8A CN201810077011A CN109698373B CN 109698373 B CN109698373 B CN 109698373B CN 201810077011 A CN201810077011 A CN 201810077011A CN 109698373 B CN109698373 B CN 109698373B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/10—Arrangements for effecting positive rotation of web roll
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The present invention relates to an apparatus for manufacturing a secondary battery pack, in which a cathode plate and an anode plate are alternately laminated on a separator continuously supplied to an inclined table, thereby manufacturing a battery pack. The device includes: a first warehouse and a second warehouse which respectively load an anode plate and a cathode plate; a first electrode transfer device and a second electrode transfer device which transfer the anode plate and the cathode plate loaded on the first warehouse and the second warehouse respectively; a first alignment stage and a second alignment stage which photograph the anode plate and the cathode plate transferred by the first electrode transferor and the second electrode transferor and align the positions based on the photographed image information; and an anode transfer unit and a cathode transfer unit for alternately transferring the anode plates and the cathode plates on the first alignment stage and the second alignment stage to an inclined stage which is repeatedly rotated at a certain angle in two directions around an axis perpendicular to the ground and stacked, and sequentially stacking the anode plates and the cathode plates on the separators on the inclined stage.
Description
Technical Field
The present invention relates to an apparatus for manufacturing a secondary battery cell (cell), and more particularly, to an apparatus for manufacturing a battery pack of a secondary battery, which makes a platform on which cathode plates and anode plates are alternately placed rotate back and forth by a certain angle while the cathode plates and the anode plates are alternately laminated on a separator (separation film) continuously supplied onto the platform, thereby manufacturing the battery pack.
Background
Generally, a chemical battery is a battery including a pair of electrodes of a cathode plate and an anode plate and an electrolyte, and the energy that can be stored depends on the substances constituting the electrodes and the electrolyte. The chemical batteries are classified into primary batteries, the charge reaction of which is very slow and thus used only for primary discharge purposes, and secondary batteries, which are reusable through repeated charge and discharge, and recently, the use of secondary batteries is increasing due to the advantage of being chargeable and dischargeable.
In other words, the secondary battery is applied to various technical fields of the entire industry due to its advantages, and is widely used as a power source for advanced electronic devices like wireless mobile devices, and is also drawing attention as a power source for hybrid vehicles and the like, and hybrid vehicles are provided as a means for solving air pollution and the like of gasoline and diesel internal combustion engines using fossil fuels.
The secondary battery is formed by sequentially stacking an anode plate, a separation membrane, and a cathode plate and is immersed in an electrolyte solution, and the internal battery pack of the secondary battery is manufactured in two different modes.
In the case of a small-sized secondary battery, a method of disposing a cathode plate and an anode plate on a separation membrane and winding them (winding) and then forming them into a jelly-roll form is often used, and in the case of a medium-sized secondary battery having a large electric capacity, a method of laminating the cathode plate, the anode plate, and the separation membrane in an appropriate order (stacking) is often used.
There are various ways of manufacturing the secondary battery internal cell pack in a stacked manner, but among them, in the Z-stacking (Z-stacking) manner, the separator (separation membrane) is formed in a zigzag-folded manner, and between them, the cathode plates and the anode plates are stacked in a manner of being inserted in an alternating manner.
Secondary battery inner battery packs formed in a Z-stack configuration as described above are disclosed in many prior arts such as registered patent No. 10-0313119, registered patent No. 10-1140447, and the like.
In order to actually realize the Z-stacking scheme, the following is disclosed in a prior art as korean registered patent No. 10-0309604: a plurality of cathode plates are arranged on one side surface of the separation membrane in an unfolded state, and a plurality of cathode plates are arranged on the other side surface of the separation membrane and then folded. This method is also widely used in the manufacture of secondary battery internal batteries in the form of jelly-rolls. However, in the case of using the above-described manner, there is a difficulty in aligning (aligning) the cathode plate and the anode plate.
In recent years, the following method is used for manufacturing a battery pack of secondary batteries in a Z-fold stacked form: the cathode plates and the anode plates are stacked on the left and right spaced loading tables, respectively, so that the platform on which the cathode plates and the anode plates are stacked between the loading tables is arranged to horizontally reciprocate to the left and right, and a robot (robot arm) alternately takes and transfers the cathode plates and the anode plates on the loading tables so as to be alternately stacked on the separator, which is clamped on the platform.
However, the conventional Z-stacking method as described above has a problem in that the platform is stacked while reciprocating linearly in the left-right direction, and thus a moving distance of the platform is long, and a lot of work time is consumed, thereby decreasing productivity. Prior art documents
[ patent document ]
(patent document 0001) registration patent No. 10-1140447 (2012.04.19. registration)
(patent document 0002) registration patent No. 10-1380133 (2014.03.26. registration)
(patent document 0003) registration patent No. 10-1220981 (2013.01.04. registration)
(patent document 0004) registration patent No. 10-0309604 (2001.09.10. registration)
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a battery pack manufacturing apparatus for a secondary battery, which can manufacture a battery pack (cell) by alternately stacking cathode plates and anode plates on a separator continuously supplied to an inclined table while the inclined table on which the cathode plates and the anode plates are alternately placed is rotated back and forth in two directions by a certain angle around an axis horizontal to the ground, thereby shortening the manufacturing time.
The battery pack manufacturing apparatus of a secondary battery according to the present invention for achieving the object includes: a first warehouse that loads the anode plate; a first electrode transfer (transfer) unit including a rotary arm that rotates on one side of the first warehouse about an axis perpendicular to the ground by a motor, and a transfer selector that is provided at a distal end portion of the rotary arm so as to be relatively rotatable and that vacuum-adsorbs the anode plate; a first alignment stage provided at one side of the first electrode transporter and adjusting a position of the anode plate transferred by the first electrode transporter; a first vision inspection unit that takes an image of the anode plate placed on the first alignment stage 140 and detects an alignment state; a second warehouse which loads the cathode plate; a second electrode transfer unit including a rotary arm that rotates on one side of the second warehouse around an axis perpendicular to the ground by a motor, and a transfer selector that is provided at a distal end portion of the rotary arm in a relatively rotatable manner and performs vacuum suction on the cathode plate; a second alignment stage provided at one side of the second electrode transferor and adjusting a position of the cathode plate transferred by the second electrode transferor; a second vision inspection part that photographs the cathode plate placed on the second alignment stage and detects an alignment state; an electrode stacking (stack) section including a tilt table that performs reciprocating rotation in a certain angle range between the first alignment table and the second alignment table with respect to two directions of an axial direction perpendicular to a ground surface around a rotation axis horizontal to the ground surface as a center, and a table driving unit that causes the tilt table to perform reciprocating rotation in the two directions around the rotation axis as a center; a barrier film supply unit that continuously supplies a barrier film from an upper side of the inclined table to the inclined table; and an anode transfer unit and a cathode transfer unit which are respectively disposed between the first alignment stage and the electrode stacking portion and between the second alignment stage and the electrode stacking portion, and alternately transfer the anode plates on the first alignment stage and the cathode plates on the second alignment stage to the tilting stage while performing reciprocating rotational motion within a certain angle range around an axis horizontal to the ground.
The separator supply unit includes a unwinding shaft on which a separator roll is rotatably provided, a separator roll made of a thin film is wound on the separator roll, and a pair of guide rollers disposed above a center portion of the tilt table and guiding the separator unwound from the separator roll to the tilt table.
The tilting table includes:
a lifting table which moves up and down a certain distance by a linear motion device; and a fixed platform arranged at the inner side of the lifting platform.
According to the present invention, the inclined table performs reciprocating rotational motion in two directions within a certain angle range, and the anode transfer unit and the cathode transfer unit alternately transfer the anode plates and the cathode plates, thereby sequentially stacking the anode plates and the cathode plates on the separator continuously supplied to the inclined table.
This has the following effects: the moving distance of the tilting table is minimized and the anode plate and the cathode plate, the separator can be stacked, so that the speed of the stacking work can be increased and the working time can be greatly shortened, thereby improving the productivity.
Drawings
Fig. 1 is a front view showing the entire configuration of a battery pack manufacturing apparatus of a secondary battery according to an embodiment of the present invention.
Fig. 2 is a perspective view showing the configuration of a first electrode transfer unit of the battery pack manufacturing apparatus for the secondary battery shown in fig. 1.
Fig. 3 is a front view of the first electrode transporter shown in fig. 2.
Fig. 4 is a front view showing the configuration of a first visual inspection unit of the battery pack manufacturing apparatus for secondary batteries shown in fig. 1.
Fig. 5 is a perspective view showing the structure of an electrode stacking portion of the battery pack manufacturing apparatus for the secondary battery shown in fig. 1.
Fig. 6 is a front view showing the structure of the electrode stack shown in fig. 5.
Fig. 7a and 7b are front views showing an example of the operation of the electrode stacking portion shown in fig. 5.
Detailed Description
Hereinafter, preferred embodiments of a battery pack manufacturing apparatus for a secondary battery according to the present invention will be described in detail with reference to the accompanying drawings.
First, referring to fig. 1, a battery pack manufacturing apparatus of a secondary battery according to one embodiment of the present invention, as an apparatus for manufacturing a secondary battery cell by sequentially stacking an anode plate (anode electrode), a separator (separation membrane), and a cathode plate (cathode electrode), includes: a body 10; a first warehouse 110 that loads anode plates; a first electrode transfer 130 which is provided at one side of the first warehouse 110, and takes and transfers the anode plate 1 from the first warehouse 110; a first alignment stage 140 that adjusts the position of the anode plate 1 transferred by the first electrode transfer 130; a first visual inspection unit 150 that photographs an anode plate placed on the first alignment stage 140 and detects an alignment state; a second warehouse 210 that loads cathode plates; a second electrode transferor 230 which is provided at one side of the second warehouse 210, and obtains and transfers the cathode plate 2 from the second warehouse 210; a second alignment stage 240 that adjusts the position of the cathode plate 2 transferred by the second electrode transferor 230; a second vision inspection part 250 that photographs the cathode plate placed on the second alignment stage 240 and detects an alignment state; an electrode stacking portion 300 including an inclined table 310, the inclined table 310 being configured to rotate back and forth in two directions within a predetermined angle range around a rotation axis 331 horizontal to the ground between the first alignment table 140 and the second alignment table 240, and to sequentially laminate the anode plate 1 and the cathode plate 2 on the separator 3; an anode transfer unit 400 and a cathode transfer unit 500 that take the anode plate 1 and the cathode plate 2 from the first alignment stage 140 and the second alignment stage 240 and supply them to the tilting stage 310; a separator supply unit 600 for continuously supplying the separator 3 onto the inclined table 310; and an unloading unit for transferring the stacked body of the anode plate 1, the cathode plate 2, and the separator 3 stacked on the inclined table 310 to the outside of the electrode stacking unit 300.
The first stack 110, the first electrode transfer unit 130, the first alignment table 140, the first visual inspection unit 150, and the anode transport unit 400 are configured to be symmetrical to the second stack 210, the second electrode transfer unit 230, the second alignment table 240, the second visual inspection unit 250, and the cathode transport unit 500, respectively, with the electrode stacking unit 300 interposed therebetween, and are formed of the same configuration, and thus operate in the same operation manner. Therefore, in the following description, the detailed configurations and operations of the first warehouse 110, the first electrode transfer device 130, the first alignment table 140, the first visual inspection unit 150, and the anode transfer unit 400 will be described mainly, and the detailed configurations and operations of the second warehouse 210, the second electrode transfer device 230, the second alignment table 240, the second visual inspection unit 250, and the cathode transfer unit 500 will be the same, so that they can be easily and clearly understood without detailed description.
The first warehouse 110 and the second warehouse 210 are respectively disposed at both side portions of the body 10, and respectively load a plurality of anode plates 1 and cathode plates 2 cut into a predetermined quadrangular size. The first warehouse 110 and the second warehouse 210 are provided with elevating members 111 and 211, and the elevating members 111 and 211 can move up and down by elevating motors 112 and 212, and move the anode plate 1 and the cathode plate 2 loaded thereon upward by a predetermined distance.
As shown in fig. 2 and 3, the first electrode transfer device 130 is disposed on one side of the first warehouse 110, horizontally performs reciprocating rotational movement, and simultaneously vacuum-adsorbs the anode plate 1 from the first warehouse 110 and transfers it onto the first alignment table 140. The first electrode transporter 130 includes: a rotation arm 131 which rotates around an axis perpendicular to the ground by a motor 133 provided at an upper end of a fixed frame 135, the fixed frame 135 being fixedly provided to the main body 10; and a transfer selector 132 provided at a distal end portion of the rotating arm 131 in a relatively rotatable manner and vacuum-sucking the anode plate 1. The transfer selector 132 is provided to receive power from a direction control motor 134 provided to the rotary arm 131 and a belt 134a connected to the direction control motor 134 and to rotate in a direction opposite to the rotation direction of the rotary arm 131, so that when the transfer selector 132 is moved while the rotary arm 131 rotates in one direction, the transfer selector is rotated in a certain angle in the opposite direction of the rotary arm 131 and is transmitted to the first alignment stage 140 in a state where the direction of the anode plate 1 is kept constant without being distorted.
Referring to fig. 4, the first alignment stage 140 performs the following functions: the anode plate 1 is aligned based on the image photographed by the first vision inspection part 150. In other words, before the anode plate 1 is transferred to the inclined table 310 and stacked, the position of the anode plate 1 is precisely aligned, so that the anode plate 1 can be precisely seated on the inclined table 310 and stacked. In order to enable the first alignment stage 140 to align the position of the anode plate 1, the first alignment stage 140 is provided on a well-known X-Y-theta driver 142, and the X-Y-theta driver 142 is linearly movable in the X-Y direction and rotationally movable at a prescribed angle (theta) around the Z-axis.
The first vision inspection part 150 is provided with a plurality of vision cameras 151 and an illumination unit 152, and the plurality of vision cameras 151 photograph the anode plate 1 placed on the first alignment stage 140, and reads the alignment state of the anode plate 1 by the position of the corner portion of the anode plate 1.
As described above, the configuration of the second stack 210 and the configuration of the first stack 110, the configuration of the second electrode transfer 230 and the configuration of the first electrode transfer 130, the configuration of the second alignment stage 240 and the configuration of the first alignment stage 140, and the configuration of the second visual inspection part 250 are similar or identical to the configuration of the first visual inspection part 150, so that the cathode plate 2 is transferred to the inclined stage 310 and stacked, and thus, the detailed configuration and operation thereof will be omitted.
Referring to fig. 5, the anode transfer unit 400 includes: a rotation block 410 provided to rotate around an axis horizontal to the ground between an upper portion of the first alignment stage 140 and an upper portion of the tilting stage 310; a stacking selector 420 provided at a lower end portion of the rotary block 410 in a vertically linear motion with respect to the rotary block 410 performs a function of vacuum-sucking the anode plate 1 from the first alignment stage 140 and placing it on the inclined stage 310.
Also, the cathode transfer unit 500 includes: a rotation block 510 provided to rotate around an axis horizontal to the ground between an upper portion of the second alignment stage 240 and an upper portion of the tilting stage 310; and a stack selector 520 provided at a lower end portion of the rotary block 510 in the form of being linearly moved up and down with respect to the rotary block 510, performing a function of vacuum-sucking the cathode plate 1 from the second alignment stage 240 and placing it on the tilting stage 310.
As shown in fig. 5 to 7b, the electrode stack portion 300 includes: an inclined table 310 that rotates back and forth in two directions by a predetermined angle around a rotation axis 331 that is horizontal to the ground; and a table driving unit that rotates the tilting table 310 back and forth about the rotation axis 331.
The inclined table 310 is continuously and repeatedly rotated at a certain angle with respect to both directions of an axial direction perpendicular to the ground while alternately obtaining the anode plates 1 and the cathode plates 2 from both sides and stacking them. A plurality of vacuum holes are formed in the upper surface of the inclined table 310 so that the front end surface of the separator 3 can be vacuum-sucked and fixed.
The tilting table 310 is provided on the tilting frame 320 and rotates together with the tilting frame 320, and the tilting frame 320 rotates within a certain angle range with respect to the main body 10 around a horizontal rotation axis 331. The two rotation shafts 331 are provided on both side surfaces of the tilt frame 320 horizontally with respect to the ground, and are reciprocally rotated in both directions in a vertical axial direction by table driving motors 332 constituting the table driving unit.
The tilting stage 310 includes:
a lifting table 311 in the shape of a circular plate which is moved up and down by a predetermined distance with respect to the tilt frame 320 by a known linear movement device such as a pneumatic cylinder or a motor-ball screw; and a fixed base 312 provided inside the elevating base 311. As described above, if the tilting stage 310 includes
In the lifting/lowering table 311 and the flat-plate-shaped fixing table 312, when the stacked body of the anode plate 1, the cathode plate 2, and the separator 3 stacked on the inclined table 310 is clamped and transferred by the unloading jig (not shown) of the unloading part, the lifting/lowering table 311 is lifted to a certain height above the fixing table 312, and the unloading jig 700 of the unloading part enters the upper side and the lower side of the stacked body, so that the upper surface and the lower surface of the stacked body can be accurately clamped and transferred.
A plurality of clamping units are provided on both sides of the upper surface of the inclined table 310, and press and fix the edge portions of the cathode plate 2, the anode plate 1, and the separator 3 placed on the inclined table 310 downward. In this embodiment, the clamping unit includes a first gripper 341 and a second gripper 342, and the first gripper 341 and the second gripper 342 are disposed facing each other on both sides of the tilting table 310 and are configured as a set of two. The first holder 341 and the second holder 342 are moved in the lateral direction with respect to the inclined table 310 by the ball screw 343 and the servo motor 344, and alternately press and support both side edge portions of the anode plate 1, the cathode plate 2, and the separator 3 to the lower side when the anode plate 1 and the cathode plate 2 are stacked on the separator 3 while moving up and down by the pneumatic cylinder 345.
A separator supply unit 600 is provided above the inclined table 310, and the separator supply unit 600 continuously supplies the separator 3 to the upper surface of the inclined table 310. The separator supply unit 600 includes a second unwinding shaft 610 and a pair of guide rollers 620, and the separator 3 made of a long film is wound around the second unwinding shaft 610, and the pair of guide rollers 620 are disposed above the center of the inclined table 310, and guide the separator 3 unwound from the second unwinding shaft 610 to the inclined table 310.
The pair of guide rollers 620 is disposed at the rotation center of the inclined table 310 directly above the inclined table 310, and grips the separator 3, thereby performing a function of precisely laminating the separator 3 on the inclined table 310 while maintaining a constant tension when the inclined table 310 is rotated back and forth in both directions.
The unloading unit is configured to obtain a stacked body of the anode plate 1, the cathode plate 2, and the separator 3 stacked on the inclined table 310 by using an unloading jig 700, and transfer the stacked body to an automatic tape supply unit provided at one side of the second warehouse 210.
The battery pack manufacturing apparatus of the secondary battery of the present invention configured as described above operates in the following manner.
The rotating arm 131 of the first electrode transfer device 130 rotates toward the first warehouse 110 side, and the transfer selector 132 descends and vacuum-adsorbs the anode plate 1 and then ascends again. Thereafter, the rotating arm 131 horizontally rotates in the opposite direction and transfers the anode plate 1 to the first alignment stage 140 and places it.
When the anode plate 1 is placed on the first alignment stage 140, the vision camera 151 of the first vision inspection unit 150 photographs the anode plate 1 and acquires an image of the anode plate 1. At this time, the controller of the battery pack manufacturing apparatus reads the position of the corner portion of the anode plate 1 in the acquired image of the anode plate 1, detects the alignment position where the anode plate 1 is placed, and adjusts the position by driving the X-Y- θ driver 142 to move or rotate the first alignment stage 140 in the X-Y direction when alignment is required, thereby aligning the position of the anode plate 1.
Next, the stack selector 420 of the anode transport unit 400 descends from the first alignment stage 140, vacuum-sucks the anode plate 1 aligned on the first alignment stage 140, and then ascends, and the rotary block 410 rotates by a predetermined angle toward the inclined stage 310. At this time, the tilt table 310 is rotated by a predetermined angle toward the anode transfer unit 400 about an axis perpendicular to the ground by the table driving motor 332.
As described above, the anode transport unit 400 is rotated by a predetermined angle toward the inclined table 310 and the inclined table 310 is rotated by a predetermined angle toward the anode transport unit 400, so that when the overlap selector 420 of the anode transport unit 400 is aligned at a position corresponding to the upper surface of the inclined table 310, the overlap selector 420 is lowered to place the anode plate 1 on the separator 3 on the inclined table 310 (see fig. 7 a).
As described above, while the transfer, alignment, and lamination operations of the anode plate 1 are performed on one side of the body 10 by the first electrode transfer 130, the first alignment stage 140, the first vision inspection part 150, and the anode transfer unit 400, the transfer and alignment operations of the cathode plate 2 and the separator 3 laminated on the inclined stage 310 are performed on the other side of the body 10 by the second electrode transfer 230, the second alignment stage 240, the second vision inspection part 250, and the cathode transfer unit 500 through the same process.
In other words, after the anode plates 1 and the cathode plates 2 loaded on the first and second stacks 110 and 210, respectively, at both sides of the electrode stacking portion 300 are transferred to the first and second alignment tables 140 and 240 by the first and second electrode transferors 130 and 230, and then the positions thereof are detected by the first and second visual inspection portions 150 and 250, and then the alignment is performed, as shown in fig. 7a and 7b, the rotational movement of the anode transfer unit 400 and the cathode transfer unit 500 is alternately transferred to the inclined table 310 and sequentially stacked on the separators 3 supplied to the inclined table 310, thereby manufacturing the secondary battery cell.
At this time, the inclined table 310 repeatedly rotates in two directions by a certain angle around an axis perpendicular to the ground, and the anode plates 1 and the cathode plates 2 are alternately obtained from the anode transport unit 400 and the cathode transport unit 500.
As described above, in the battery pack manufacturing apparatus of the present invention, the inclined table 310 is repeatedly rotated at a certain angle in both directions in the axial direction perpendicular to the ground surface, and the anode plates 1 and the cathode plates 2 are alternately taken from the anode transfer unit 400 and the cathode transfer unit 500, and are sequentially laminated on the separators 3 continuously supplied onto the inclined table 310.
This has the following effects: the moving distance of the tilting table 310 can be minimized, so that the speed of the laminating work can be increased, and the working time can be greatly shortened, improving the productivity.
The technical idea of the present invention has been described above with reference to the drawings, but the present invention is not intended to be limited thereto, and preferred embodiments of the present invention are described as examples. It is obvious that a person having ordinary knowledge in the technical field of the present invention can make various modifications and simulations without departing from the scope of the technical idea of the present invention.
Description of the reference symbols
1: an anode plate 2: negative plate
3: isolation diaphragm 10 body
110: first warehouse 130: first electrode transfer device
131: the rotating arm 132: transfer selector
140: first alignment stage 150: a first vision inspection part
151: the vision camera 152: lighting unit
210: second warehouse 230: second electrode transfer device
240: second alignment station 250: second vision inspection part
300: electrode stack 310: tilting table
320: the tilt frame 331: rotating shaft
332: stage driving motor 400: anode transfer unit
410: the rotating block 420: superposition selector
500: cathode transfer unit 600: separator supply unit
610: unwinding shaft 620: guide roller
Claims (3)
1. A battery pack manufacturing apparatus of a secondary battery, comprising:
a first warehouse (110) that loads anode plates;
a first electrode transfer device (130) including a rotary arm (131) and a transfer selector (132), wherein the rotary arm (131) rotates around an axis perpendicular to the ground between the first warehouse (110) and the first alignment table (140) by a motor (133), the transfer selector (132) is provided at a distal end portion of the rotary arm (131) so as to be capable of horizontally rotating around the axis perpendicular to the ground, and performs vacuum suction on the anode plate (1), the transfer selector (132) is provided so as to obtain power from a direction control motor (134) provided at the rotary arm (131) and a belt (134a) connected to the direction control motor (134) and to rotate in a direction opposite to the rotation direction of the rotary arm (131), and when the transfer selector (132) is moved while the rotary arm (131) rotates in one direction, the transfer selector (132) rotates a certain angle in the opposite direction of the rotating arm (131) and transmits the anode plate (1) to the first alignment table (140) in a certain state without distortion;
a first alignment table (140) which is provided on one side of the first electrode transfer device (130) and adjusts the position of the anode plate (1) transferred from the first warehouse (110) by the first electrode transfer device (130);
a first visual inspection unit (150) that takes an image of the anode plate placed on the first alignment stage (140) and detects the alignment state;
a second warehouse (210) that loads cathode plates;
a second electrode shifter (230) including a rotation arm that rotates around an axis perpendicular to the ground by a motor between the second warehouse (210) and the second alignment table (240), and a shift selector that is provided at a distal end portion of the rotation arm so as to be horizontally relatively rotatable around the axis perpendicular to the ground, and vacuum adsorbing the cathode plate, the transfer selector is set to obtain power from a direction control motor arranged on the rotating arm and a transmission belt connected with the direction control motor and rotate in the direction opposite to the rotating direction of the rotating arm, so that when the transfer selector is moved while the rotating arm is rotated in one direction, the transfer selector is rotated in the opposite direction of the rotating arm by a certain angle, is transferred to a second alignment table (240) in a state that the direction of the cathode plate is not distorted and is kept constant;
a second alignment table (240) which is provided at one side of the second electrode transfer (230) and adjusts the position of the cathode plate (2) transferred from the second warehouse (210) by the second electrode transfer (230);
a second vision inspection part (250) which photographs the cathode plate placed on the second alignment table (240) and detects the alignment state;
an electrode stacking unit (300) including a tilting table (310) that performs reciprocating rotation between the first alignment table (140) and the second alignment table (240) within a certain angular range about a rotation axis (331) horizontal to the ground with respect to two directions of an axial direction perpendicular to the ground, and a table driving unit that causes the tilting table (310) to perform reciprocating rotation about the rotation axis (331) in the two directions;
a barrier film supply unit (600) that continuously supplies a barrier film (3) from the upper side of the inclined table (310) to the inclined table (310);
and an anode transfer unit (400) and a cathode transfer unit (500) which are respectively disposed between the first alignment stage (140) and the electrode stacking unit (300) and between the second alignment stage (240) and the electrode stacking unit (300), and alternately transfer the anode plates (1) on the first alignment stage (140) and the cathode plates (2) on the second alignment stage (240) to the inclined stage (310) while performing reciprocating rotational motion within a certain angular range around an axis horizontal to the ground.
2. The battery pack manufacturing apparatus of secondary batteries according to claim 1,
the separator supply unit (600) includes a unwinding shaft (610) and a pair of guide rollers (620), wherein a separator (3) in the form of a thin film is wound around the unwinding shaft (610), and the pair of guide rollers (620) are disposed above the center of the tilting table (310) and guide the separator (3) unwound from the unwinding shaft (610) to the tilting table (310).
3. The battery pack manufacturing apparatus of secondary batteries according to claim 1,
the tilting table (310) comprises:
a lifting platform (311) in a shape of a straight line, which moves up and down a certain distance by a linear motion device; and a fixed base (312) provided inside the lifting base (311).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170137424A KR101956758B1 (en) | 2017-10-23 | 2017-10-23 | Machine for Manufacturing Cell Stack of Secondary Battery |
| KR10-2017-0137424 | 2017-10-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109698373A CN109698373A (en) | 2019-04-30 |
| CN109698373B true CN109698373B (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810077011.8A Active CN109698373B (en) | 2017-10-23 | 2018-01-26 | Battery pack manufacturing apparatus for secondary battery |
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| KR (1) | KR101956758B1 (en) |
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| KR101956758B1 (en) | 2019-03-11 |
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