KR102470513B1 - Secondary battery manufacturing system having an overhang inspection device for secondary batteries - Google Patents

Abstract

A secondary battery manufacturing system is disclosed. The secondary battery manufacturing system according to the present invention is an overhang inspection device for a secondary battery that inspects an electrode stack provided by alternately stacking a cathode and a cathode with a separator therebetween, and an overhang inspection device for a secondary battery adjacent to the overhang inspection device for the secondary battery. An electrode retracting device that is arranged in such a way that it transfers the tray loaded with the electrode stack to the overhang inspection device for secondary batteries, and a tray that is disposed adjacent to the overhang inspection device for secondary batteries and loaded with the electrode stack that has been inspected by the overhang inspection device for secondary batteries. and an electrode take-out device that receives the electrode take-out device, and a tray transfer device that is positioned between the electrode take-out devices and transfers an empty tray on which an electrode stack is not loaded from the electrode take-out device to the electrode take-out device.

Description

Secondary battery manufacturing system having an overhang inspection device for secondary batteries

The present invention relates to a secondary battery manufacturing system having an overhang inspection device for secondary batteries, and more particularly, to a short (short circuit) ) to a secondary battery manufacturing system having an overhang inspection device for a secondary battery capable of inspecting whether or not.

In general, a secondary cell converts chemical energy into electrical energy to supply power to an external circuit, and when it is discharged, it receives external power and converts electrical energy into chemical energy to store electricity. points to Such a secondary battery is also commonly referred to as a capacitor.

These secondary batteries can be classified in various ways according to the structure of the electrode stack. For example, secondary batteries may be classified into a stacked structure, a winding structure, a stack/folding structure, and the like.

Among the various classifications, the stacked structure cuts the electrodes, that is, the positive electrode and the negative electrode into predetermined sizes, and then, as shown in FIG. 1 (a), a separator P is placed between the positive electrode E1 and the negative electrode E2. The electrode laminate M is formed by alternately stacking the positive electrode E1 and the negative electrode E2. This stacking process is performed in a stacking device for secondary batteries. In this electrode stack M, the positive electrode E1 may protrude sideways, and the protruding portion sideways in this way is called an overhang portion.

On the other hand, as shown in FIG. 1(b) during the stacking process, some of the electrodes E1 and E2 stacked on the electrode stack M are excessively protruded sideways (out of the reference value) compared to others and stacked. Defects may occur. That is, when the distal end of some of the electrodes E1 and E2 protrudes to the side excessively (out of the reference value) compared to the other electrodes E1 and E2, the overhang portions of the protruding electrodes E1 and E2 are in contact with each other, A short (short circuit) may occur, and the secondary battery in which the electrodes E1 and E2 are shorted (short circuit) cannot be used.

The excessively protruding (beyond the reference value) of the above-mentioned electrodes E1 and E2 is mainly caused by poor stacking. Due to the nature of the in-line secondary battery manufacturing process, if such defects are not recognized quickly, production is performed on the line. Defects may occur in the entire product.

Therefore, it is necessary to develop an inspection device capable of inspecting the overhang of the electrodes E1 and E2 that protrude excessively (out of the reference value) in the inline equipment during the manufacturing process of the inline secondary battery.

Republic of Korea Patent Publication No. 10-2013-0105578, (2013.09.25.)

Therefore, the technical problem to be achieved by the present invention is an overhang inspection device for a secondary battery capable of detecting an overhang portion of electrodes by quickly and efficiently inspecting an electrode stack formed by stacking electrodes during the in-line manufacturing process of a secondary battery. To provide a secondary battery manufacturing system having a.

According to one aspect of the present invention, an overhang inspection device for a secondary battery for inspecting an electrode stack in which a cathode and an anode are alternately stacked with a separator therebetween; an electrode retracting device disposed adjacent to the overhang inspection device for secondary batteries and transferring the tray loaded with the electrode stack to the overhang inspection device for secondary batteries; an electrode take-out device disposed adjacent to the overhang inspection device for secondary batteries and receiving the tray loaded with the electrode stacks inspected by the overhang inspection device for secondary batteries; and a tray transfer device positioned between the electrode retracting device and the electrode retracting device and transferring an empty tray on which the electrode stack is not loaded from the electrode retracting device to the electrode retracting device. can be provided.

The overhang inspection device for a secondary battery may include: an upper transfer unit that transfers the tray on which the electrode stack is loaded in a first axial direction and a second axial direction crossing the first axial direction; It is disposed adjacent to the upper transfer unit to receive the tray on which the electrode stack is loaded from the upper transfer unit, and crosses the tray on which the electrode stack is loaded in the first axial direction and the second axial direction. Electrode up / down (up / down) unit for moving in the three-axis direction; a jig unit disposed adjacent to the electrode up/down unit and clamping the electrode stack; an imaging unit for inspection disposed adjacent to the jig unit for the multilayer body and capturing an image of the electrode multilayer body; and disposed in a lower region of the upper transfer unit, and receives the tray loaded with the electrode stack from the electrode up/down unit, and moves the tray loaded with the electrode stack in the first axial direction. It may include a lower transfer unit that transfers.

The upper transfer unit may include: a first axial transfer unit for upper transfer to transfer the tray in the first axial direction; a second axial transfer unit for upper transfer disposed adjacent to the first axial transfer unit for upper transfer and transferring the tray in a second axial direction; and a third axial transfer unit for upper transfer supported by the first axial transfer unit for upper transfer, connected to the second axial transfer unit for upper transfer, and moving the second axial transfer unit for upper transfer in the third axial direction. can include

The first axial transfer unit for upper transfer may include: a first frame unit for upper transfer; a plurality of first transfer roller units for upper transfer that are rotatably coupled to the first frame unit for upper transfer and spaced apart from each other in the first axis direction; A plurality of upper transfers rotatably coupled to the first frame unit for upper transfer, spaced apart from each other in the first axial direction, and disposed apart from the first transfer roller unit for upper transfer in the second axial direction. a second transfer roller unit; a first belt unit for upper transfer that is supported and rotated by the first transfer roller unit for upper transfer; and a second belt part for upper conveyance supported by and rotated by the second conveyance roller part for upper conveyance.

The second axial transfer unit for upper transfer may include a second frame unit for upper transfer positioned between the first transfer roller unit for upper transfer and the second transfer roller unit for upper transfer; a plurality of third transfer roller units for upper transfer that are rotatably coupled to the second frame unit for upper transfer and spaced apart from each other in the second axis direction; A plurality of upper conveyances rotatably coupled to the second frame part for upper conveyance, spaced apart from each other in the second axis direction, and spaced apart from each other in the first axis direction with respect to the third conveyance roller part for upper conveyance. a fourth transfer roller unit; a third belt unit for upper transfer supported by and rotated by the third transfer roller unit for upper transfer; and a fourth belt unit for upper transfer supported by and rotated by the fourth transfer roller unit for upper transfer.

The third axial direction transfer unit for upper transfer is coupled to the second frame unit for upper transfer and includes a third axial direction moving block unit for upper transfer that moves in the third axial direction; a third axial direction movement guide unit for upper transfer connected to the third axial direction movement block unit for upper transfer and guiding movement of the third axial direction movable block unit for upper transfer; and a third axial direction movement driver for upper transfer connected to the third axial direction movable block unit for upper transfer and moving the third axial direction movable block unit for upper transfer.

The electrode up/down unit may include: an electrode stage unit supporting the tray on which the electrode stack is loaded and moving the tray on which the electrode stack is loaded in the second axial direction; a moving block unit for up/down electrodes coupled to the electrode stage unit and moved in the third axis direction; an electrode up/down movement guide unit connected to the electrode up/down movement block unit to guide movement of the electrode up/down movement block unit; and the electrode up/down movement driver connected to the electrode up/down movement block unit to move the electrode up/down movement block unit.

The electrode stage unit may include an electrode stage frame unit coupled to the electrode up/down movement block unit; a plurality of stage transfer roller units for first electrodes rotatably coupled to the stage frame unit for electrodes and spaced apart from each other in the second axis direction; For a plurality of second electrodes that are rotatably coupled to the electrode stage frame part and spaced apart from each other in the second axial direction, and spaced apart from the first electrode stage transfer roller part in the first axial direction. stage transfer roller unit; a first electrode stage conveying belt part supported and rotated by the stage conveying roller part for the first electrode; and a stage conveying belt part for the second electrode that is supported and rotated by the stage conveying roller part for the second electrode.

The lower transfer unit may include a first axial transfer unit for lower transfer that transfers the tray in the first axial direction; a second axial transfer unit for lower transfer disposed adjacent to the first axial transfer unit for lower transfer and transporting the tray in the second axial direction; and a third shaft for lower transfer supported by the first axial transfer unit for lower transfer, connected to the second axial transfer unit for lower transfer, and moving the second axial transfer unit for lower transfer in the third axial direction. It may include a directional transfer unit.

The first axial transfer unit for lower transfer includes a first frame unit for lower transfer; a plurality of first transfer roller units for lower transfer that are rotatably coupled to the first frame unit for lower transfer and spaced apart from each other in the first axis direction; A plurality of lower conveyances rotatably coupled to the first frame part for lower conveyance, spaced apart from each other in the first axis direction, and spaced apart from the first conveyance roller part for lower conveyance in the second axis direction. a second transfer roller unit; a first belt unit for lower transfer supported and rotated by the first transfer roller unit for lower transfer; and a second belt part for lower conveyance that is supported and rotated by the second conveyance roller part for lower conveyance.

The second axial transfer unit for lower transfer may include a second frame unit for lower transfer positioned between the first transfer roller unit for lower transfer and the second transfer roller unit for lower transfer; a plurality of third transfer roller units for lower transfer that are rotatably coupled to the second frame unit for lower transfer and spaced apart from each other in the second axis direction; A plurality of lower conveyances rotatably coupled to the second frame part for lower conveyance, spaced apart from each other in the second axis direction, and spaced apart from the third conveyance roller part for lower conveyance in the first axis direction. a fourth transfer roller unit; a third belt unit for lower transfer supported and rotated by the third transfer roller unit for lower transfer; and a fourth belt unit for lower transfer that is supported and rotated by the fourth transfer roller unit for lower transfer.

The third axial direction transfer unit for lower transfer is coupled to the second frame unit for lower transfer and includes a third axial direction moving block unit for lower transfer that moves in the third axial direction; a third axial direction movement guide unit for lower transfer connected to the third axial direction movable block unit for lower transfer and guiding movement of the third axial direction movable block unit for lower transfer; and a third axial direction movement driver for lower transfer connected to the third axial direction movable block unit for lower transfer and moving the third axial direction movable block unit for lower transfer.

The electrode retracting device may include: a retracting stage unit supporting the tray and moving the tray in the first axial direction; a moving block unit for up/down the retraction stage coupled to the retracting stage unit and moved in the third axis direction; a movement guide unit for up/down the incoming stage connected to the movement block unit for up/down the incoming stage and guiding movement of the movement block unit for up/down the incoming stage; and a moving driver for up/down the lead stage connected to the moving block for up/down the lead stage to move the move block for up/down the lead stage.

The electrode withdrawing device may include: a withdrawing stage unit supporting the tray and moving the tray in the first axial direction; a moving block unit for up/down the take-out stage coupled to the take-out stage and moving in the third axis direction; a movement guide unit for up/down the take-out stage connected to the move block unit for up/down the take-out stage and guiding movement of the move block part for up/down the take-out stage; and a moving driver for up/down the fetch stage connected to the movable block for up/down the fetch stage to move the movable block for up/down the fetch stage.

The tray transport device includes a transport frame unit; a plurality of first conveying roller units rotatably coupled to the conveying frame part and spaced apart from each other in the first axis direction; A plurality of second transport rollers for transport rotatably coupled to the transport frame unit, spaced apart from each other in the first axis direction, and spaced apart from each other in the second axis direction with respect to the first transport roller unit for transport. wealth; a conveying first belt part that is supported and rotated by the conveying first conveying roller part; and a second conveying belt part supported and rotated by the second conveying roller part.

According to the present invention, an overhang inspection device for a secondary battery that inspects an electrode stack by taking an image, an electrode retraction device that transfers a tray loaded with an electrode stack to an overhang inspection device for a secondary battery, and an overhang inspection device for a secondary battery. By providing an electrode take-out device that receives the tray loaded with the completed electrode stack and a tray transfer device that transfers the empty tray from the electrode take-out device to the electrode take-out device, the electrode stack can be inspected quickly and efficiently. can

1 is a view showing a state in which electrodes of a secondary battery are stacked.
2 is a diagram illustrating a secondary battery manufacturing system according to an embodiment of the present invention.
FIG. 3 is a view of the inside of the overhang inspection device for a secondary battery of FIG. 2 viewed from above.
FIG. 4 is a front view of the electrode retracting device and the electrode retracting device of FIG. 3 .
FIG. 5 is a side view of the electrode up/down unit of FIG. 3 .
FIG. 6 is a front view of a transfer unit for a laminate disposed inside the overhang inspection device for a secondary battery of FIG. 2 .
FIG. 7 is a front view of the jig unit for a laminate of FIG. 3 .
FIG. 8 is a view showing a gripping part for a jig of FIG. 7 .
9 is a plan view of FIG. 8 .
Figure 10 is a side view of Figure 8;

In order to fully understand the present invention and its operational advantages and objectives achieved by the practice of the present invention, reference should be made to the accompanying drawings illustrating preferred embodiments of the present invention and the contents described in the accompanying drawings.

Hereinafter, the present invention will be described in detail by describing preferred embodiments of the present invention with reference to the accompanying drawings. However, in describing the present invention, descriptions of already known functions or configurations will be omitted to clarify the gist of the present invention.

2 is a view showing a secondary battery manufacturing system according to an embodiment of the present invention, FIG. 3 is a view of the inside of the overhang inspection device for a secondary battery of FIG. 2 viewed from above, and FIG. 4 is a view of FIG. 3 A view of the electrode retracting device and the electrode withdrawing device as viewed from the front, FIG. 5 is a view of the electrode up/down unit of FIG. 3 viewed from the side, and FIG. 6 is a view of the overhang inspection device for a secondary battery of FIG. 2 It is a front view of the delivery unit for a laminate disposed inside, and FIG. 7 is a front view of the jig unit for a laminate of FIG. 3, FIG. It is a plan view of FIG. 8, and FIG. 10 is a side view of FIG.

In the following drawings, the first axis direction is indicated by 'X', the second axis direction is indicated by 'Y', and the third axis direction is indicated by 'Z'.

As shown in FIGS. 2 to 10 , the secondary battery manufacturing system according to the present embodiment alternately stacks a negative electrode (not shown) and a positive electrode (not shown) with a separator (not shown) interposed therebetween to form an electrode. A secondary battery stacking device (SC) for generating a laminate (M), an inspection transfer device (200) for transporting the electrode stack (M) stacked in the secondary battery stacking device (SC), and inspection transport An overhang inspection device 100 for a secondary battery that receives and captures the electrode stack M transported by the device 200 and transfers the captured electrode stack M to the transfer device 200 for inspection; 2 An external surface inspection device (SD) that receives the electrode laminate (M) that has passed through the overhang inspection device (100) for a rechargeable battery and inspects the outer surface of the electrode laminate (M), and an external surface inspection device (SD) The TAB (Tape Automated Bonding) device receiving the electrode laminate (M) and attaching the film with the driving chip embedded in the electrode laminate (M), the inspection transfer device 200 and the external inspection device (SD) The electrode laminate (M) that is connected and passed through the overhang inspection device 100 for secondary batteries is transferred to the outer surface inspection device (SD), and is connected to the outer surface inspection device (SD) and the TAB device (TAB) to inspect the outer surface. Between the transfer device SF for transferring the electrode stack M passing through the device SD to the TAB device TAB, the secondary battery overhang inspection device 100 and the inspection transfer device 200 The electrode retraction device 300 disposed on the electrode stack M is transferred to the secondary battery overhang inspection device 100, and the electrode retraction device 300 disposed adjacent to the electrode retraction device 300 ) An electrode loading robot (not shown) for loading the electrode stack M transported by the inspection transfer device 200 on an empty tray supported by the secondary battery overhang inspection device 100 and the inspection transfer device ( 200) and the electrode take-out device 400 that receives the tray loaded with the electrode stack M, which has been inspected by the overhang inspection device 100 for secondary batteries, and is disposed adjacent to the electrode take-out device 400. electrode withdrawal device An electrode unloading robot (not shown) that picks up the electrode stack M from the tray supported by the 400 and delivers it to the transfer device 200 for inspection, the electrode retractor 300, and the electrode A tray transfer device 500 positioned between the take-out devices 400 and transferring the empty tray on which the electrode stack M is not loaded from the electrode take-out device 400 to the electrode take-out device 300, stacking for secondary batteries device (SC), external surface inspection device (SD), overhang inspection device for secondary batteries (100), TAB device (TAB), transport device for inspection (200), electrode retraction device (300), electrode withdrawal device (400) ), an electrode loading robot (not shown), an electrode unloading robot (not shown), a secondary battery stacking device (SC) connected to the tray conveying device 500 and the conveying conveying device (SF), an external inspection device ( SD), secondary battery overhang inspection device 100, TAB device (TAB), inspection transfer device 200, electrode retraction device 300, electrode withdrawal device 400, electrode loading robot (not shown), electrode It includes a control unit (not shown) for controlling an unloading robot (not shown), a tray transfer device 500 and a transfer device SF for delivery.

The secondary battery stacking device (SC) generates an electrode stack (M) by alternately stacking a negative electrode (not shown) and a positive electrode (not shown) with a separator (not shown) therebetween.

Such a stacking device for a secondary battery includes a device body (not shown), a cathode supply unit (not shown) for supplying a cathode (not shown), a supply unit (not shown) for supplying a cathode (not shown), and a separator (not shown). It includes a supply unit (not shown) and a movable stacking unit (not shown) to do.

A movable stacking unit (not shown) forms a place where an anode (not shown), a cathode (not shown), and a separator (not shown) are stacked. Stacking is performed while moving between supply units (not shown).

The transport device 200 for inspection transports the electrode stack M stacked in the secondary battery stacking device SC. The inspection transfer device 200 is connected to the secondary battery stacking device SC and the secondary battery overhang inspection device 100 to transfer the electrode stack M to the secondary battery overhang inspection device 100.

In addition, the transfer device 200 for inspection is connected to the transfer device SF for transfer, and transfers the electrode stack M for which the overhang inspection is completed to the transfer device SF for transfer.

As shown in FIGS. 2 and 3 , the transfer device 200 for inspection includes an electrode stack M to be imaged by an imaging unit 120 for inspection, which will be described later, of the overhang inspection device 100 for a secondary battery. A supply transport unit 210 for transporting and a discharge transport unit 220 for transporting the electrode stack M imaged by the inspection imaging unit 120 and disposed adjacent to the secondary battery overhang inspection device 100 ).

The supply transfer unit 210 includes a plurality of supply conveyor rollers (not shown) for supporting the electrode stack M and transporting the electrode stack M by rotation, and supply conveyor rollers (not shown). It includes a roller frame (not shown) for feeding that is rotatably coupled.

The discharge conveyor 220 includes a plurality of discharge conveyor rollers (not shown) and discharge conveyor rollers (not shown) that support the electrode stack M and transport the electrode stack M by rotation. It includes a roller frame (not shown) for discharge that is rotatably coupled.

On the other hand, the secondary battery overhang inspection device 100 receives the electrode stack M manufactured in the secondary battery stacking device SC. This overhang inspection device 100 for a secondary battery captures an image of the electrode laminate M.

The overhang inspection apparatus 100 for a secondary battery of this embodiment takes an image of the electrode stack M received and detects an overhang in which the distal ends of some electrodes (not shown) protrude sideways compared to other electrodes (not shown). inspect the area

As shown in FIGS. 3 to 10 , the overhang inspection apparatus 100 for a secondary battery has a second axial direction crossing the first axial direction and the first axial direction of the tray on which the electrode stack M is loaded. The upper transfer unit 140 that transfers to the upper transfer unit 140, and the tray disposed adjacent to the upper transfer unit 140 receives the tray loaded with the electrode stack M from the upper transfer unit 140, and the electrode stack M is loaded. An electrode up/down unit 150 for moving the tray in a third axis direction crossing the first axis direction and the second axis direction, and an electrode up/down unit 150 A jig unit 110 for stacks disposed adjacent to and clamping the electrode stack M, and an inspection imaging unit 120 disposed adjacent to the jig unit 110 for stacks and capturing an image of the electrode stack M ), and disposed in the lower region of the upper transfer unit 140, and receives the tray on which the electrode stack M is loaded from the electrode up/down unit 150, and the electrode stack M Loading on the tray supported by the electrode up/down unit 150 and disposed adjacent to the lower transfer unit 160 that transports the stacked trays in the first axial direction and the jig unit 110 for laminates The electrode laminate (M) is transferred to the jig unit 110 for the laminate, and the electrode laminate (M) supported by the jig unit 110 for the laminate is supported by the electrode up/down unit 150. and a delivery unit 130 for the stack to deliver to the tray.

The upper transfer unit 140 transfers the tray on which the electrode stack M is loaded in a first axial direction and a second axial direction crossing the first axial direction. As shown in FIGS. 3 and 4 , the upper transfer unit 140 includes a first axial transfer unit 141 for upper transfer that transfers the tray in a first axial direction, and a first axial transfer unit for upper transfer. A second axial transfer unit 142 for upper transfer disposed adjacent to 141 and transporting the tray in the second axial direction, and a second shaft for upper transfer supported by the first axial transfer unit 141 for upper transfer It is connected to the directional transfer unit 142 and includes a third axial transfer unit (not shown) for upper transfer that moves the second axial transfer unit 142 for upper transfer in the third axial direction.

The first axial transfer unit 141 for upper transfer transfers the tray on which the electrode stack M is loaded in the first axial direction. As shown in FIGS. 3 and 4 , the first axial transfer unit 141 for upper transfer according to the present embodiment includes a first frame unit 141a for upper transfer and a first frame unit 141a for upper transfer. ) and rotatably coupled to a plurality of first transfer roller parts 141b for upper transfer disposed apart from each other in the first axis direction and rotatably coupled to the first frame unit 141a for upper transfer and disposed to be spaced apart from each other in the first shaft direction. A plurality of second transfer roller units (not shown) for upper transfer disposed spaced apart in the direction and spaced apart from the first transfer roller unit 141b for upper transfer in a second axial direction, and first transfer for upper transfer A first belt part 141d for upper transfer supported and rotated by the roller unit 141b, and a second belt unit 141e for upper transfer supported and rotated by a second transfer roller unit (not shown) for upper transfer, , Connected to the first transfer roller unit 141b for upper transfer and the second transfer roller unit (not shown) for upper transfer, the first belt unit 141d for upper transfer and the second belt unit 141e for upper transfer It includes a rotation driving unit (not shown) for rotating.

The first frame part 141a for upper transfer is supported by an inner frame (not shown) of the overhang inspection device 100 for a secondary battery.

The first transfer roller unit 141b for upper transfer is rotatably coupled to the first frame unit 141a for upper transfer. A plurality of first conveying rollers 141b for upper conveying are provided and spaced apart from each other in the first axis direction.

The second transfer roller unit (not shown) for upper transfer is rotatably coupled to the first frame unit 141a for upper transfer. A plurality of second transfer roller units (not shown) for upper transfer are provided to be spaced apart from each other in the first axial direction and disposed to be spaced apart from the first transfer roller unit 141b for upper transfer in the second axial direction.

The first belt unit 141d for upper transfer forms an endless track, and is supported and rotated by the first transfer roller unit 141b for upper transfer. In addition, the second belt unit 141e for upper transfer forms an endless track, and is supported and rotated by a second transfer roller unit (not shown) for upper transfer.

As shown in FIGS. 3 and 4 , the second axial transfer unit 142 for upper transfer is between the first transfer roller unit 141b for upper transfer and the second transfer roller unit (not shown) for upper transfer. The second frame part 142a for upper transfer located in the upper transfer and a plurality of third transfer roller units for upper transfer are rotatably coupled to the second frame unit 142a for upper transfer and spaced apart from each other in the second axial direction. (not shown) and is rotatably coupled to the second frame part 142a for upper transfer and spaced apart from each other in the second axial direction, and is disposed in the first axial direction with respect to the third transfer roller unit (not shown) for upper transfer. A plurality of fourth transfer roller units (not shown) for upper transfer disposed spaced apart from each other, and a third belt unit 142d for upper transfer supported and rotated by the third transfer roller unit (not shown) for upper transfer, A fourth belt unit 142e for upper transfer supported and rotated by a fourth transfer roller unit (not shown) for upper transfer, a third transfer roller unit (not shown) for upper transfer, and a fourth transfer roller unit for upper transfer. It includes a rotation drive (not shown) connected to (not shown) to rotate the third belt unit 142d for upper transfer and the fourth belt unit 142e for upper transfer.

The third transfer roller unit (not shown) for upper transfer is rotatably coupled to the second frame unit 142a for upper transfer. A plurality of third transfer roller units (not shown) for upper transfer are provided and spaced apart from each other in the second axis direction.

The fourth transfer roller unit (not shown) for upper transfer is rotatably coupled to the second frame unit 142a for upper transfer. A plurality of fourth transfer roller units (not shown) for upper transfer are provided and disposed apart from each other in the second axial direction, and disposed apart from the third transfer roller unit (not shown) for upper transfer in the first axial direction.

The third belt unit 142d for upper transfer forms an endless track, and is supported and rotated by a third transfer roller unit (not shown) for upper transfer. In addition, the fourth belt unit 142e for upper transfer forms an endless track, and is supported and rotated by a fourth transfer roller unit (not shown) for upper transfer.

The third axial transfer unit (not shown) for upper transfer is supported by the first axial transfer unit 141 for upper transfer and connected to the second axial transfer unit 142 for upper transfer. The third axial transfer unit (not shown) for upper transfer moves the second axial transfer unit 142 for upper transfer in the third axial direction.

The third axial transfer unit (not shown) for upper transfer is for upper transfer when the tray loaded with the electrode stack M is moved in the first axial direction through the first axial transfer unit 141 for upper transfer. The second axial direction transfer unit 142 is lowered so as not to interfere with the first axial transfer of the tray. On the other hand, when the tray on which the electrode stack M is loaded needs to be transferred in the second axial direction to be transferred to the electrode up/down unit 150, the third axial transfer unit for upper transfer. (not shown) lifts the second axial transfer unit 142 for upper transfer to separate the tray supported by the first axial transfer unit 141 for upper transfer from the first axial transfer unit 141 for upper transfer.

The third axial direction transfer unit (not shown) for upper transfer according to the present embodiment is coupled to the second frame unit 142a for upper transfer and moves in the third axial direction. The third axial direction moving block unit for upper transfer ( (not shown) and a third axial direction moving guide for upper transfer that is connected to a third axial direction moving block unit (not shown) for upper transfer and guides the movement of the third axial direction movable block unit (not shown) for upper transfer. (not shown) and a third axial direction moving driver for upper transfer that is connected to the third axial direction moving block unit (not shown) for upper transfer and moves the third axial direction movable block unit (not shown) for upper transfer. (not shown).

The third axis direction movement guide unit for upper transfer (not shown) is connected to the third axis direction movement block unit (not shown) for upper transfer and guides the movement of the third axis direction movement block unit (not shown) for upper transfer. . The third axial direction movement guide part (not shown) for upper transfer is coupled to and fixed to the first frame unit 141a for upper transfer. In this embodiment, a guide rail (not shown) to which the third axial direction moving block for sub-transfer is slidably coupled may be used for the third axial direction movement guide unit (not shown) for upper transport.

The third axial movement driver (not shown) for upper transport is fixed to the first frame unit 141a for upper transport and connected to the third axial movement block unit (not shown) for upper transport. The third axial direction movement driver (not shown) for upper transfer moves the third axial direction movable block unit (not shown) for upper transfer in the vertical direction. In this embodiment, a linear motor (not shown) or a pressure cylinder (not shown) may be used as the third axis direction movement driver (not shown) for upper transfer.

On the other hand, the electrode up/down unit 150 is disposed adjacent to the upper transfer unit 140 to transfer the tray loaded with the electrode stack M from the second axial transfer unit 142 for upper transfer. be delivered The electrode up/down unit 150 moves the tray on which the electrode stack M is loaded in the third axial direction.

As shown in FIGS. 3 and 5, the electrode up/down unit 150 according to the present embodiment supports the tray on which the electrode stack M is loaded, and the electrode stack M An electrode stage unit 151 for moving the tray on which is loaded in the second axis direction, and an electrode stage unit 151 for electrodes coupled to move block unit 152 for electrode up/down movement in the third axis direction, , an electrode up/down movement guide unit (not shown) connected to the electrode up/down movement block unit 152 to guide the movement of the electrode up/down movement block unit 152, and an electrode up/down movement guide unit An electrode up/down movement driver 154 connected to the movement block 152 and moving the sub electrode up/down movement block 152 is included.

The electrode stage part 151 supports the tray on which the electrode stack M is loaded. The electrode stage unit 151 moves the tray on which the electrode stack M is loaded in the second axial direction to transfer it to the lower transfer unit 160 .

As shown in FIGS. 3 and 5 , the stage unit 151 for electrodes according to the present embodiment includes a stage frame unit 151a for electrodes coupled to the movement block unit 152 for electrode up/down, and an electrode stage unit 151a. A plurality of stage transfer roller parts 151b for first electrodes rotatably coupled to the stage frame part 151a for electrodes and spaced apart from each other in the second axis direction, and rotatably coupled to the stage frame part 151a for electrodes. a plurality of stage transfer roller units (not shown) for the second electrode disposed apart from each other in the second axial direction and disposed apart from each other in the first axial direction with respect to the stage transfer roller unit 151b for the first electrode; The stage transfer belt for the first electrode 151d supported by the stage transfer roller unit 151b for the electrode and rotated, and the stage transfer for the second electrode rotated while supported by the stage transfer roller unit for the second electrode (not shown) It is connected to the belt part 151e, the stage conveying roller part 151b for the first electrode, and the stage conveying roller part (not shown) for the second electrode, and is connected to the stage conveying belt part 151d for the first electrode and the stage conveying roller part 151d for the second electrode. A rotation driving unit (not shown) for rotating the stage transfer belt unit 151e is included.

The first electrode stage transfer roller unit 151b is rotatably coupled to the electrode stage frame unit 151a. A plurality of stage transfer rollers 151b for the first electrode are provided and spaced apart from each other in the second axis direction.

The stage transfer roller part (not shown) for the second electrode is rotatably coupled to the stage frame part 151a for the electrode. A plurality of stage transfer roller units (not shown) for the second electrode are provided, spaced apart from each other in the second axial direction, and disposed apart from the stage transfer roller unit 151b for the first electrode in the first axial direction.

The stage conveying belt part 151d for the first electrode forms an endless orbit, and is supported and rotated by the stage conveying roller part 151b for the first electrode. In addition, the stage conveying belt part 151e for the second electrode forms an endless orbit, and is supported and rotated by the stage conveying roller part (not shown) for the second electrode.

The electrode up/down movement guide unit (not shown) is connected to the electrode up/down movement block unit 152 to guide the movement of the electrode up/down movement block unit 152. In this embodiment, a guide rail (not shown) to which the moving block part 152 for electrode up/down is slidably coupled may be used as the third axis direction movement guide part (not shown) for upper transfer.

The electrode up/down movement driver 154 is connected to the electrode up/down movement block 152 to move the electrode up/down movement block 152. In this embodiment, a linear motor is used for the movement driving unit 154 for electrode up/down.

Meanwhile, the jig unit 110 for the laminate is disposed adjacent to the electrode up/down unit 150. The jig unit 110 for such a laminate clamps the electrode laminate M.

As shown in detail in FIGS. 7 to 10 , the jig unit 110 for a laminate is a clamping unit for a laminate that clamps the electrode laminate M by moving in a direction approaching and spaced apart from the electrode laminate M. It includes a jig gripping part 111a having 111c and 111d, and a jig body 111b to which the jig gripping part 111a is coupled.

In the body 111b for the jig, a tilting drive unit (not shown) for a laminate for rotating the gripping part 111a for a jig with the second shaft as the center of rotation, and the gripping part 111a for the jig with the third shaft as the center of rotation, A rotation drive unit (not shown) for rotating the stack is provided.

The electrode stack M held by the clamping units 111c and 111d for the stack by the operation of the tilting driver for the stack (not shown) and the rotation drive unit for the stack (not shown) uses the second and third axes as rotational axes. is rotated so that the electrode stack M can be positioned at various angles with respect to the inspection imaging unit 120, and accordingly, the inspection imaging unit 120 can capture the electrode stack M from various directions. This has the advantage of increasing inspection accuracy.

The gripping part 111a for the jig is coupled to the body 111b for the jig and includes a movement driving part 111e for clamping to move the clamping parts 111a and 111b for the laminate.

The clamping parts 111c and 111d for the stack are moved in a direction approaching and away from the electrode stack M to clamp and unclamp the electrode stack M. The clamping parts 111c and 111d for the laminate are disposed spaced apart from the first gripping plate part 111c connected to the clamping movement driving part 115 and the first gripping plate part 111c, and are used for clamping. It includes a second gripping plate part 111d connected to the moving driving part 111e.

The electrode laminate M is disposed between the first holding plate portion 111c and the second holding plate portion 111d, and the first holding plate portion 111c and the second holding plate portion ( 111d) moves in the direction of approaching each other and the movement of the first holding plate part 111c and the second holding plate part 111d in the direction of being spaced apart from each other, so that the electrode stack M is formed by the first holding plate part 111c and the second holding plate part 111d It is clamped and unclamped by being pressed and released by the portion 111c and the second gripping plate portion 111d.

The movement drive unit 111e for clamping is coupled to the jig body 111b. The movement driver 111e for clamping moves the first gripping plate part 111c and the second gripping plate part 111d.

The movement driving unit 111e for clamping according to the present embodiment is connected to the first gripping plate unit 111c and the second gripping plate unit 111d to form the first gripping plate unit 111c and the second gripping plate unit 111c. The first gripping plate unit ( 111c) and the second gripping plate portion 111d are connected to a pair of gripping moving bars 111g that move each other in a mutually approaching direction and a mutually spaced apart direction, and are connected to the gripping moving bar 111g for gripping A gripping movement driving unit (not shown) is included to move the moving bar 111g.

The gripping movement guide part 111f is provided in the shape of a guide rail and guides the movement of the first gripping plate part 111c and the second gripping plate part 111d.

A pneumatic cylinder (not shown) connected to the gripping moving bar 111g and moving the first gripping plate part 111c and the second gripping plate part 111d may be used as the gripping movement driver (not shown). have.

The imaging unit 120 for inspection is disposed adjacent to the jig unit 110 for a laminate. The imaging unit 120 for inspection captures an image of the electrode laminate M.

As shown in detail in FIGS. 3 and 4 , the inspection imaging unit 120 has a radiation emitting unit 121 that emits radiation toward the electrode stack M, and a radiation emitting unit 121 It includes a radiation detection unit 123 spaced apart from each other and detecting radiation, and a radiation shielding unit 128 shielding the radiation emission unit 121 and the radiation detection unit 123 .

In this embodiment, X-rays are used as radiation, and the radiation emitting unit 121 emits X-rays.

The radiation detector 123 is spaced apart from the radiation emitter 121 and detects radiation emitted from the radiation emitter 121a. The radiation detection unit 123 of the present embodiment responds to X-rays emitted from the radiation emitter 121a and visually displays them, thereby forming an electrode stack M disposed between the radiation detection unit 123 and the radiation emission unit 121. It is possible to visually display the shape of the electrodes stacked on, and accordingly, the overhang (overhang) portion of the electrode of the electrode stack (M) can be visually observed.

The radiation shielding unit 128 is provided as a housing structure that shields the radiation emitting unit 121 and the radiation detection unit 123 . A through hole K through which the tray passes is provided in the above-described radiation shielding unit 128 .

Meanwhile, the lower transfer unit 160 is disposed in a lower area of the upper transfer unit 140 . The lower transfer unit 160 receives the tray loaded with the electrode stack M from the electrode up/down unit 150 and moves the tray loaded with the electrode stack M in the first axial direction. transfer to

As shown in FIGS. 3 and 4 , the lower transfer unit 160 according to the present embodiment includes a first axial transfer unit 161 for lower transfer that transfers the tray in a first axial direction, and a lower transfer unit 161 . A second axial transfer unit (not shown) for lower transfer disposed adjacent to the first axial transfer unit 161 and transporting the tray in the second axial direction, and supported by the first axial transfer unit 161 for lower transfer and lower It is connected to the second axial transfer unit (not shown) for transfer and includes a third axial transfer unit (not shown) for lower transfer that moves the second axial transfer unit (not shown) for lower transfer in the third axial direction. .

The first axial direction transfer unit 161 for lower transfer transfers the tray in the first axial direction. As shown in FIGS. 3 and 4 , the first axial transfer unit 161 for lower transfer according to the present embodiment includes a first frame unit 161a for lower transfer and a first frame unit 161a for lower transfer. ) and rotatably coupled to a plurality of first transfer roller parts 161b for lower transfer, which are rotatably coupled to and spaced apart from each other in the first axis direction, and rotatably coupled to the first frame unit 161a for lower transfer, and the first shaft A plurality of second transfer roller units (not shown) for lower transfer disposed spaced apart in the direction and spaced apart from the first transfer roller unit 161b for lower transfer in the second axial direction, and the first transfer for lower transfer A first belt unit 161d for lower transfer supported by the roller unit 161b and rotated, and a second belt unit 161e for lower transfer supported by and rotated by a second transfer roller unit (not shown) for lower transfer, Connected to the first conveying roller part 161b for lower conveying and the second conveying roller part (not shown) for lower conveying, the first belt part 161d for lower conveying and the second belt part 161e for lower conveying are connected. It includes a rotation driving unit (not shown) for rotating.

The first frame part 161a for lower transfer is supported by an inner frame (not shown) of the overhang inspection device 100 for a secondary battery.

The first transfer roller unit 161b for lower transfer is rotatably coupled to the first frame unit 161a for lower transfer. A plurality of first conveying rollers 161b for lower conveying are provided and spaced apart from each other in the first axis direction.

The second transfer roller unit (not shown) for lower transfer is rotatably coupled to the first frame unit 161a for lower transfer. A plurality of second transfer roller units (not shown) for lower transfer are provided, spaced apart from each other in the first axial direction, and disposed apart from the first transfer roller unit 161b for lower transfer in the second axial direction.

The first belt unit 161d for lower transfer forms an endless track, and is supported and rotated by the first transfer roller unit 161b for lower transfer. In addition, the second belt unit 161e for lower transfer forms an endless track, and is supported and rotated by a second transfer roller unit (not shown) for lower transfer.

The second axial transfer unit (not shown) for lower transfer in this embodiment has a structure substantially identical to that of the second axial transfer unit 142 for upper transfer.

As shown in FIG. 4, the second axial transfer unit (not shown) for lower transfer is between the first transfer roller unit 161b for lower transfer and the second transfer roller unit (not shown) for lower transfer. A second frame unit (not shown) for lower transfer and a plurality of third transfer rollers for lower transfer that are rotatably coupled to the second frame unit (not shown) for lower transfer and spaced apart from each other in the second axial direction. unit (not shown) and a second frame part (not shown) for lower transfer are rotatably coupled and spaced apart from each other in the second axial direction, and the first for the third transfer roller unit (not shown) for lower transfer A plurality of fourth transport roller units (not shown) for lower transport disposed apart from each other in the axial direction, and a third belt unit (not shown) for lower transport supported and rotated by the third transport roller unit (not shown) for lower transport. ), a fourth belt unit (not shown) for lower transfer that is supported and rotated by a fourth transfer roller unit (not shown) for lower transfer, a third transfer roller unit (not shown) for lower transfer, and a third transfer roller unit (not shown) for lower transfer. 4 includes a rotation drive unit (not shown) connected to the transfer roller unit (not shown) to rotate the third belt unit (not shown) for lower transfer and the fourth belt unit (not shown) for lower transfer.

The third transfer roller unit (not shown) for lower transfer is rotatably coupled to the second frame unit (not shown) for lower transfer. A plurality of third transfer roller units (not shown) for lower transfer are provided and spaced apart from each other in the second axis direction.

The fourth transfer roller unit (not shown) for lower transfer is rotatably coupled to the second frame unit (not shown) for lower transfer. A plurality of fourth transfer roller units (not shown) for lower transfer are provided and disposed apart from each other in the second axial direction, and disposed apart from the third transfer roller unit (not shown) for lower transfer in the first axial direction.

The third belt unit (not shown) for lower transfer forms an endless track and is supported and rotated by the third transfer roller unit (not shown) for lower transfer. In addition, the fourth belt unit (not shown) for lower transfer forms an endless track, and is supported and rotated by the fourth transfer roller unit (not shown) for lower transfer.

The third axial transfer unit (not shown) for lower transfer is supported by the first axial transfer unit 161 for lower transfer and connected to the second axial transfer unit (not shown) for lower transfer. The third axial transfer unit (not shown) for lower transfer moves the second axial transfer unit (not shown) for lower transfer in the third axial direction.

The third axial transfer unit (not shown) for lower transfer is for lower transfer when the tray on which the electrode stack M is loaded is moved in the first axial direction through the first axial transfer unit 161 for lower transfer. The second axial conveying part (not shown) is lowered so as not to interfere with the first axial conveying of the tray. On the other hand, when the tray loaded in the electrode up/down unit 150 needs to be transported in the second axis direction to be transferred to the lower transfer unit 160, the third axis for lower transfer The directional transfer unit (not shown) raises the second axial transfer unit (not shown) for lower transfer, receives the tray from the electrode stage unit 151, and then lowers the second axial transfer unit (not shown) for lower transfer. The tray is seated on the first axial direction transfer unit 161 for lower transfer.

The third axial direction transfer unit (not shown) for lower transfer according to the present embodiment is coupled to the second frame unit (not shown) for lower transfer and moves in the third axial direction. The third axial direction moving block unit for lower transfer (not shown) and the third axial direction movement for lower transfer that is connected to the third axial direction movable block unit (not shown) for lower transfer and guides the movement of the third axial direction movable block unit (not shown) for lower transfer. It is connected to the guide part (not shown) and the third axial direction moving block part (not shown) for lower transfer to move the third axial direction movable block unit (not shown) for lower transfer. It includes a driving unit (not shown).

The third axis direction movement guide unit (not shown) for lower transfer is connected to the third axis direction movement block unit (not shown) for lower transfer and guides the movement of the third axis direction movement block unit (not shown) for lower transfer. . The third axis direction movement guide part (not shown) for lower transfer is coupled to and fixed to the first frame unit 161a for lower transfer. In this embodiment, a guide rail (not shown) to which the third axial direction moving block for sub-transport is slidably coupled may be used for the third axial direction movement guide unit (not shown) for lower transport.

The third axial direction movement driver (not shown) for lower transfer is fixed to the first frame unit 161a for lower transfer and is connected to a third axial direction movement block unit (not shown) for lower transfer. The third axis-direction movement driving unit (not shown) for lower transfer moves the third axis-direction movement block unit (not shown) for lower transfer in the vertical direction. In this embodiment, a linear motor (not shown) or a pressure cylinder (not shown) may be used as the third axis direction movement driver (not shown) for lower transfer.

On the other hand, the delivery unit 130 for the laminate is disposed in the upper region of the jig unit 110 for the laminate. The transfer unit 130 for the stack transfers the electrode stack M loaded on the tray supported by the electrode up/down unit 150 to the jig unit 110 for the stack. In addition, the transfer unit 130 for a laminate is an electrode up / down unit ( 150) to a tray supported.

In this embodiment, as shown in FIG. 6 , the transfer unit 130 for a stack includes a gripping unit 131 for gripping the electrode stack M, and a gripping unit 131 for supporting the gripping unit 131. is connected to the first axial moving part 133 for gripping and moving the first axial moving part 133 for gripping in the first axial direction, and the first axial moving part 133 for gripping is connected to the first shaft. It is connected to the second axial direction moving part 135 for gripping, which moves in the second axial direction crossing the direction, and the first axial direction moving part 133 for gripping, and the gripping part 131 is coupled, and the gripping part 131 ) in the third axial direction crossing the first axial direction and the second axial direction, and is supported by the third axial direction moving unit 137 for gripping and the gripping unit 137. It includes a gripping rotation unit 139 connected to the gripping unit 131 and rotating the gripping unit 131 around the second shaft as a rotation axis.

The gripping part 131 grips the electrode laminate M. As shown in FIG. 6 , the gripping unit 131 includes a gripping module frame unit 131a connected to the gripping rotation unit 139 and a gripping fixed body unit coupled to the gripping module frame unit 131a ( 131b) and a gripping moving body that is movably coupled to the gripping module frame part 131a and moves in a direction approaching and away from the gripping fixing body part 131b to grip and release the gripping of the electrode laminate M. The part 131c, a movement guide part (not shown) for the gripping module that is supported by the gripping module frame part 131a and guides the movement of the moving body part 131c for gripping, and supported by the gripping module frame part 131a and a movement driver 131d for a gripping module connected to the gripping moving body 131c to move the gripping moving body 131c.

The movable body part 131c for gripping is coupled to the gripping module frame part 131a in a sliding manner. The moving body for gripping (131c) is moved in a direction approaching the fixed body for gripping (131b) and pressurizes the electrode stack (M), so together with the fixed body for gripping (131b), the electrode stack (M). ) to hold.

The movement driver 131d for the gripping module is supported by the gripping module frame 131a. The movement driver 131d for the gripping module is connected to the gripping moving body 131c to move the gripping moving body 131c. The movement driving unit 131d for the gripping module according to the present embodiment is made of a pneumatic or hydraulic cylinder.

The movement guide part (not shown) for the gripping module is provided in the shape of a guide rail and guides the movement of the gripping movable body part 131c.

The gripping rotation unit 139 is connected to the gripping unit 131 . The gripping rotation unit 139 rotates the gripping unit 131 with the second axis as the center of rotation.

As shown in FIG. 6 , the rotation unit 139 for gripping according to the present embodiment includes a rotation block unit 139a for transmission to which the gripping unit 131 is coupled, and a third axial direction movement block unit 137a for gripping. ) and includes a rotation block rotation drive unit 139b for rotation that rotates the rotation block unit 139a for transmission with the second axis direction Y as a center of rotation.

The third axial moving part 137 for gripping is connected to the first axial moving part 133 for gripping. In addition, the gripping part 131 is coupled to the third axial moving part 137 for gripping. The third axial moving part 137 for gripping moves the gripping part 131 in the third axial direction.

As shown in FIG. 6, the third axial direction moving unit 137 for gripping according to the present embodiment is connected to the gripping unit 131 and moves in the third axial direction for gripping the third axial direction moving block unit. 137a and a third axial direction movement guide for gripping (not shown) connected to the third axial direction movement block 137a for gripping and guiding the movement of the third axial direction movement block 137a for gripping and a third axial direction movement driving unit 137c for gripping that is connected to the third axial direction movement block unit 137a for gripping and moves the third axial direction movement block unit 137a for gripping.

The third axial direction movement block 137a for gripping is coupled to the rotating unit 139 for gripping and connected to the gripping unit 131 . The third axial direction movement block 137a for gripping is moved in the third axial direction to move the gripping unit 131 in the third axial direction.

The third axial direction movement guide unit (not shown) for gripping is connected to the third axial direction movement block unit 137a for gripping. The third axial direction movement guide part (not shown) for gripping guides the movement of the third axial direction movable block part 137a for gripping.

In this embodiment, the third axial direction movement guide part (not shown) for gripping is composed of a guide rail (not shown) to which the third axial direction movable block part 137a for gripping is slidably coupled.

The third axial direction movement driving unit 137c for gripping is connected to the third axial direction movement block unit 137a for gripping. The third axial direction movement driving unit 137c for gripping moves the third axial direction movement block unit 137a for gripping.

The third axial direction movement driver 137c for gripping according to the present embodiment includes a movable nut (not shown) coupled to the third axial direction movable block 137a for gripping and engaged with the movable nut (not shown). It includes a ball screw (not shown) and a servomotor (R) connected to the ball screw (not shown) to rotate the ball screw (not shown).

The first axial movement unit 133 for gripping supports the gripping unit 131 and moves the gripping unit 131 in the first axial direction.

As shown in FIG. 6, the first axial moving part 133 for gripping is connected to the third axial moving part 137 for gripping and moves in the first axial direction. The first axial direction movement guide unit for gripping (not shown) is connected to the block unit 133a and the first axial direction movement block unit 133a for gripping and guides the movement of the first axial direction movement block unit 133a for gripping. ) and a first axial movement driving unit 133c for gripping which is connected to the first axial movement block unit 133a for gripping and moves the first axial movement block unit 133a for gripping.

The third axial direction moving part 137 for gripping is connected to the first axial direction moving block part 133a for gripping. The first axial direction movement block 133a for gripping moves in the first axial direction and moves the gripping unit 131 in the third axial direction.

The first axial direction movement guide part (not shown) for gripping is connected to the first axial direction movement block part 133a for gripping. The first axial direction movement guide part (not shown) for gripping guides the movement of the first axial direction movement block part 133a for gripping.

In this embodiment, the first axial movement guide part (not shown) for gripping is composed of a guide rail (not shown) to which the first axial direction movement block part 133a for gripping is slidably coupled.

The first axial movement driving unit 133c for gripping is connected to the first axial movement block unit 133a for gripping. The first axial direction movement driving unit 133c for gripping moves the first axial direction movement block unit 133a for gripping.

The first axial movement driving unit 133c for gripping according to the present embodiment includes a movable nut (not shown) coupled to the first axial direction movable block 133a for gripping and engaged with the movable nut (not shown). It includes a ball screw (not shown) and a servomotor (not shown) connected to the ball screw (not shown) to rotate the ball screw (not shown).

The second axial moving part 135 for gripping is connected to the first axial moving part 133 for gripping. The second axial moving part 135 for gripping moves the first axial moving part 133 for gripping in the second axial direction.

As shown in FIG. 6, the second axial moving unit 135 for gripping is connected to the first axial moving unit 133 for gripping and moves in the second axial direction. A second axial direction movement guide unit for gripping (not shown) connected to the unit 135a and the second axial direction movement block unit 135a for gripping and guiding the movement of the second axial direction movement block unit 135a for gripping. ) and a second axial movement driving unit 135c for gripping which is connected to the second axial movement block unit 135a for gripping and moves the second axial movement block unit 135a for gripping.

The first axial movement unit 133 for gripping is connected to the second axial direction movement block unit 135a for gripping. The second axial direction movement block part 135a for gripping moves in the second axial direction and moves the gripping part 131 in the second axial direction.

The second axial direction movement guide part (not shown) for gripping is connected to the second axial direction movement block part 135a for gripping. The second axial direction movement guide part (not shown) for gripping guides the movement of the second axial direction movement block part 135a for gripping.

In this embodiment, the second axial direction movement guide part (not shown) for gripping is composed of a guide rail (not shown) to which the second axial direction movement block part 135a for gripping is slidably coupled.

The second axial direction movement driving unit 135c for gripping is connected to the second axial direction movement block unit 135a for gripping. The second axial direction movement driving unit 135c for gripping moves the second axial direction movement block unit 135a for gripping.

The second axial direction movement driver 135c for gripping according to the present embodiment includes a movable nut (not shown) coupled to the second axial direction movable block 135a for gripping and engaged with the movable nut (not shown). It includes a ball screw (not shown) and a servomotor (not shown) connected to the ball screw (not shown) to rotate the ball screw (not shown).

The second axial moving part 135 for gripping is connected to the first axial moving part 133 for gripping. The second axial moving part 135 for gripping moves the first axial moving part 133 for gripping in the second axial direction.

Meanwhile, the electrode retraction device 300 is disposed adjacent to the overhang inspection device 100 for a secondary battery. The electrode retraction device 300 receives an empty tray from the tray transfer device 500, and after the electrode stack M is loaded on the tray by an electrode loading robot (not shown), the electrode stack M The loaded tray is transferred to the upper transfer unit 140 of the overhang inspection device 100 for secondary batteries.

As shown in FIGS. 2 to 4 , the electrode retracting apparatus 300 according to the present embodiment includes a retracting stage unit 310 for supporting a tray and moving the tray in a first axial direction, and a retracting stage unit. 310 is connected to the moving block unit 320 for up/down the incoming stage moving in the third axis direction, and the moving block unit 320 for up/down the incoming stage connected to the moving block unit 320 for up/down the incoming stage A movement guide unit (not shown) for up/down of the incoming stage that guides the movement of the unit 320 and a movement block unit 320 for up/down the incoming stage connected to the movement block unit 320 for up/down the incoming stage ) and a moving driver 340 for up/down the retracting stage.

The stage unit 310 for retraction supports the tray. The retracting stage unit 310 moves the tray in the first axial direction.

As shown in FIGS. 2 to 4 , the stage unit 310 for retraction according to the present embodiment includes a frame unit 311 for retraction coupled to a moving block unit for retraction stage, and a frame unit 311 for retraction. rotatably coupled to and disposed apart from each other in the first axial direction, and rotatably coupled to the plurality of first pull-in transfer roller parts 312, and rotatably coupled to the pull-in frame part 311 and spaced apart from each other in the first axial direction. and is supported by a plurality of second retraction transfer roller units (not shown) disposed apart from the first retraction transfer roller unit 312 in the second axial direction and the first retraction transfer roller unit 312 The first draw-in conveyor belt part 314 that rotates, the second draw-in conveyor belt part 315 supported and rotated by the second draw-in conveyor roller part (not shown), and the first draw-in conveyor roller part ( 312) and a rotation drive unit (not shown) connected to the second pull-in transfer roller unit (not shown) to rotate the first pull-in transfer belt unit 314 and the second pull-out transfer belt unit 315. .

The first transfer roller unit 312 for retraction is rotatably coupled to the frame unit 311 for retraction. The first transfer roller unit 312 for retraction is provided in plural numbers and is spaced apart from each other in the first axial direction.

The second pull-in transfer roller unit (not shown) is rotatably coupled to the pull-in frame 311 . A plurality of second transfer roller units (not shown) are provided, spaced apart from each other in the first axial direction, and spaced apart from the first transfer roller unit 312 in the second axial direction.

The first pull-in transfer belt unit 314 forms an endless track, and is supported by the first pull-out transfer roller unit 312 and rotates. In addition, the first pull-in transfer belt unit 314 forms an endless track, and is supported and rotated by a second pull-out transfer roller unit (not shown).

The movement guide unit (not shown) for up/down the lead-in stage is connected to the move block 320 for up/down the lead-in stage and guides the movement of the move block 320 for up/down the lead-in stage. In this embodiment, a guide rail (not shown) to which the moving block unit 320 for up/down the lead stage is slidably coupled may be used as the movement guide unit (not shown) for up/down the lead stage.

The movement driver 340 for up/down the lead-in stage is connected to the move block 320 for up/down the lead-in stage to move the move block 320 for up/down the lead-in stage. In this embodiment, a linear motor is used for the movement driving unit 340 for up/down the retracting stage.

Meanwhile, the electrode withdrawal device 400 is disposed adjacent to the overhang inspection device 100 for a secondary battery. The electrode take-out device 400 receives the tray on which the inspected laminate is loaded from the lower transfer unit 160 . In addition, the electrode take-out device 400 transfers the empty tray to the tray transport device 500 after the electrode stack M is unloaded by an electrode unloading robot (not shown).

As shown in FIGS. 2 to 4 , the electrode withdrawing device 400 according to the present embodiment includes a withdrawing stage unit 410 supporting a tray and moving the tray in a first axis direction, and a withdrawing stage unit. 410 is connected to the moving block unit 420 for up/down the take-out stage moving in the third axis direction, and the moving block unit 420 for up/down the take-out stage connected to the moving block unit 420 for up/down the take-out stage A movement guide unit (not shown) for up/down the take-out stage for guiding the movement of the unit 420 and a move block unit 420 for up/down the take-out stage connected to the move block unit 420 for up/down the take-out stage. ) and a movement driver 440 for up/down the take-out stage that moves the stage.

The stage unit 410 for drawing out supports the tray. The stage unit 410 for drawing out moves the tray in the first axial direction.

As shown in Figs. rotatably coupled to and disposed apart from each other in the first axial direction, and rotatably coupled to the plurality of first take-out transfer roller parts 412, and rotatably coupled to the take-out frame part 411 and disposed apart from each other in the first axial direction. It is supported by a plurality of second transfer roller units (not shown) disposed apart from the first transfer roller unit 412 in the second axial direction and the first transfer roller unit 412 for withdrawal. A first take-out transfer belt unit 414 that is rotated, a second take-out transfer belt unit 415 that is supported and rotated by a second take-out transfer roller unit (not shown), and a first take-out transfer roller unit ( 412) and a rotation drive unit (not shown) connected to the second take-out transfer roller unit (not shown) to rotate the first take-out transfer belt unit 414 and the second take-out transfer belt unit 415. .

The first transfer roller unit 412 for taking out is rotatably coupled to the frame unit 411 for taking out. The first transfer roller unit 412 for withdrawal is provided in plural numbers and is spaced apart from each other in the first axis direction.

The second transfer roller unit (not shown) for taking out is rotatably coupled to the frame unit 411 for taking out. A plurality of second take-out transfer roller units (not shown) are provided, spaced apart from each other in the first axial direction, and spaced apart from the first take-out transfer roller unit 412 in the second axial direction.

The first take-out transfer belt unit 414 forms an endless track, and is supported and rotated by the first take-out transfer roller unit 412 . In addition, the first take-out transfer belt unit 414 forms an endless track, and is supported and rotated by a second take-out transfer roller unit (not shown).

The movement guide unit (not shown) for up/down the take-out stage is connected to the up/down move block unit for the take-out stage and guides the movement of the up/down move block unit for the take-out stage. In this embodiment, a guide rail (not shown) to which a moving block for up/down the take-out stage is slidably coupled to the move guide part (not shown) for up/down the take-out stage may be used.

The movement driver 440 for up/down the take-out stage is connected to the up/down move block for the take-out stage and moves the up/down move block for the take-out stage. In this embodiment, a linear motor is used for the movement driving unit 440 for up/down the take-out stage.

Meanwhile, the tray transfer device 500 is located between the electrode retracting device 300 and the electrode withdrawing device 400 and is disposed in a lower area of the overhang inspection device 100 for a secondary battery. The overhang inspection device 100 for a secondary battery transfers an empty tray on which the electrode stack M is not loaded from the electrode take-out device 400 to the electrode take-out device 300.

In this embodiment, as shown in FIG. 4, the tray transport device 500 is rotatably coupled to the transport frame unit 510 and the transport frame unit 510, and is spaced apart in the first axial direction. A plurality of first transport roller units 520 for transport and rotatably coupled to the transport frame unit 510 and spaced apart from each other in the first axial direction, the first transport roller unit 520 for transport A plurality of second conveyance roller units (not shown) disposed spaced apart in two axial directions, a first conveyance belt part 540 supported by and rotated by the first conveyance roller part 520, and conveyance The second conveying belt part (not shown) supported by the second conveying roller part (not shown) for rotation, the first conveying roller part 520 for conveying, and the second conveying roller part (not shown) for conveying It includes a first belt unit 540 for conveyance and a rotation drive unit (not shown) which is connected to rotate the first belt unit 540 for conveyance.

On the other hand, the outer surface inspection device SD receives the electrode laminate M, on which the overhang inspection process of the secondary battery overhang inspection device 100 has been performed, through the transfer device SF. The outer surface inspection device SD inspects the outer surface of the electrode stack M.

In this embodiment, the external surface inspection device SD is connected to a camera unit (not shown) for capturing an image of the outer surface of the electrode laminate M, and the camera unit (not shown) acquires It includes a communication unit (not shown) that transmits information to the control unit.

A camera unit (not shown) captures an image of the outer surface of the electrode laminate M. The camera unit (not shown) captures an image of the outer surface of the electrode stack M and inspects whether or not foreign substances are attached to the outer surface of the electrode stack M and the outer appearance of the electrode stack M.

On the other hand, the transfer device SF is connected to the inspection transport device 200 and the outer surface inspection device SD to inspect the outer surface of the electrode laminate M that has passed through the secondary battery overhang inspection device 100. Delivered to the device (SD).

In addition, the transfer device (SF) is connected to the outer surface inspection device (SD) and the TAB device (TAB), and transfers the electrode laminate (M) passing through the outer surface inspection device (SD) to the TAB device (TAB). do.

The transfer device SF for delivery includes a plurality of conveyors (not shown) for transferring trays (not shown) supporting the electrode stack M, and a direction changing unit for changing the transfer direction of the trays (not shown). (not shown), and a transfer robot (not shown) that transfers the electrode stack M to a tray (not shown).

On the other hand, the control unit (not shown) according to the present embodiment includes a secondary battery stacking device (SC), an external surface inspection device (SD), a secondary battery overhang inspection device 100, a TAB device (TAB), and inspection transfer Electrically connected to the device 200 and the transfer device SF, a secondary battery stacking device (SC), an external surface inspection device (SD), a secondary battery overhang inspection device 100, a TAB device (TAB), It controls the operation of the transfer device 200 for inspection and the transfer device SF for delivery.

Hereinafter, the operation of the secondary battery manufacturing system according to this embodiment will be described with reference to FIGS. 2 to 10, focusing on tray transfer.

First, in the secondary battery stacking device (SC), the electrode stack (M) for which the stacking process has been completed is transferred in the direction of the electrode retraction device 300 through the supply transfer unit 210 .

Thereafter, an electrode loading robot (not shown) picks up the electrode stack M supported by the electrode loading robot (not shown) and loads the electrode stack M into an empty tray supported by the electrode retractor 300. .

Next, the electrode retracting device 300 transfers the tray loaded with the electrode stack M to the upper transfer unit 140 . The upper transfer unit 140 transfers the tray to the electrode up/down unit 150, and the stack transfer unit 130 is supported by the electrode up/down unit 150. The electrode laminate M loaded on the tray is gripped and transferred to the jig unit 110 for the laminate.

Thereafter, the imaging unit 120 for inspection captures an image of the electrode laminate M clamped to the jig unit 110 for the laminate.

Next, the stack transfer unit 130 grips the electrode stack M supported by the jig unit 110 for stack stack and loads it on the tray supported by the electrode up/down unit 150 .

Thereafter, the electrode up/down unit 150 lowers the tray on which the inspected electrode stack M is loaded, and then transfers the tray to the lower transfer unit 160 .

Next, the lower transfer unit 160 transfers the tray loaded with the electrode stack M to the electrode take-out device 400.

Thereafter, an electrode unloading robot (not shown) picks up the electrode stack M loaded on the tray supported by the electrode take-out device 400 and loads it into the conveying unit 220 for discharge.

Next, in the electrode take-out device 400, the electrode stack M is unloaded by an electrode unloading robot (not shown), and the empty tray is lowered and transferred to the tray transfer device 500.

Thereafter, the tray transport device 500 transfers the empty tray to the electrode retractor 300 . After the tray delivered to the electrode retractor 300 is raised by the electrode retractor 300, it waits for the electrode stack M to be loaded by an electrode loading robot (not shown).

As described above, the secondary battery manufacturing system according to the present embodiment includes the secondary battery overhang inspection device 100 for inspecting the electrode laminate M by imaging the electrode laminate M, and the tray on which the electrode laminate M is loaded, for the secondary battery An electrode take-out device 300 that delivers to the overhang test device 100, and an electrode take-out device 400 that receives the tray loaded with the electrode stack M inspected by the overhang test device 100 for a secondary battery, The electrode stack M is inspected quickly and efficiently by providing the tray transport device 500 that transfers the empty tray on which the electrode stack M is not loaded from the electrode take-out device 400 to the electrode take-out device 300. can do.

Although the present embodiment has been described in detail with reference to the drawings, the scope of rights of the present embodiment is not limited to the above-described drawings and description.

As such, the present invention is not limited to the described embodiments, and it is obvious to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the present invention. Therefore, such modifications or variations should fall within the scope of the claims of the present invention.

100: overhang inspection device for secondary batteries 110: jig unit for laminates
120: imaging unit for inspection 130: transfer unit for laminate
140: upper transfer unit
141: first axial transfer unit for upper transfer
142: second axial transfer unit for upper transfer
150: electrode up / down unit 160: lower transfer unit
161: first axial transfer unit for lower transfer 200: transfer device for inspection
210: supply transfer unit 220: discharge transfer unit
300: electrode withdrawing device 400: electrode withdrawing device
500: tray transfer device M: electrode laminate

Claims (15)

An overhang inspection device for a secondary battery that inspects an electrode stack in which a cathode and an anode are alternately stacked with a separator interposed therebetween;
an electrode retracting device disposed adjacent to the overhang inspection device for secondary batteries and transferring the tray loaded with the electrode stack to the overhang inspection device for secondary batteries;
an electrode take-out device disposed adjacent to the overhang inspection device for secondary batteries and receiving the tray loaded with the electrode stacks inspected by the overhang inspection device for secondary batteries; and
A tray transport device positioned between the electrode retracting device and the electrode retracting device and transferring an empty tray on which the electrode stack is not loaded from the electrode retracting device to the electrode retracting device,
The overhang inspection device for the secondary battery,
an upper transfer unit that transfers the tray on which the electrode stack is loaded in a first axial direction and a second axial direction crossing the first axial direction;
It is disposed adjacent to the upper transfer unit to receive the tray on which the electrode stack is loaded from the upper transfer unit, and crosses the tray on which the electrode stack is loaded in the first axial direction and the second axial direction. an electrode up/down unit that moves in three-axis directions;
a jig unit disposed adjacent to the electrode up/down unit and clamping the electrode stack;
an imaging unit for inspection disposed adjacent to the jig unit for the multilayer body and capturing an image of the electrode multilayer body; and
It is disposed in the lower region of the upper transfer unit, receives the tray loaded with the electrode stack from the electrode up/down unit, and transfers the tray loaded with the electrode stack in the first axial direction. A secondary battery manufacturing system comprising a lower transfer unit to do. delete According to claim 1,
The upper transfer unit,
a first axial transfer unit for upper transfer to transfer the tray in the first axial direction;
a second axial transfer unit for upper transfer disposed adjacent to the first axial transfer unit for upper transfer and transferring the tray in a second axial direction; and
A third axial transfer unit for upper transfer supported by the first axial transfer unit for upper transfer, connected to the second axial transfer unit for upper transfer, and moving the second axial transfer unit for upper transfer in the third axial direction. Secondary battery manufacturing system to do. According to claim 3,
The first axial transfer part for the upper transfer,
a first frame unit for upper transfer;
a plurality of first transfer roller units for upper transfer that are rotatably coupled to the first frame unit for upper transfer and spaced apart from each other in the first axis direction;
A plurality of upper transfers rotatably coupled to the first frame unit for upper transfer, spaced apart from each other in the first axial direction, and disposed apart from the first transfer roller unit for upper transfer in the second axial direction. a second transfer roller unit;
a first belt unit for upper transfer that is supported and rotated by the first transfer roller unit for upper transfer; and
A secondary battery manufacturing system comprising a second belt part for upper conveyance supported and rotated by the second conveyance roller part for upper conveyance. According to claim 4,
The second axial transfer unit for the upper transfer,
a second frame unit for upper transfer positioned between the first transfer roller unit for upper transfer and the second transfer roller unit for upper transfer;
a plurality of third transfer roller units for upper transfer that are rotatably coupled to the second frame unit for upper transfer and spaced apart from each other in the second axis direction;
A plurality of upper conveyances rotatably coupled to the second frame part for upper conveyance, spaced apart from each other in the second axis direction, and spaced apart from each other in the first axis direction with respect to the third conveyance roller part for upper conveyance. a fourth transfer roller unit;
a third belt unit for upper transfer that is supported and rotated by the third transfer roller unit for upper transfer; and
A secondary battery manufacturing system comprising a fourth belt part for upper conveyance supported and rotated by the fourth conveyance roller part for upper conveyance. According to claim 5,
The third axial transfer unit for the upper transfer,
a third axial direction moving block unit for upper transfer coupled to the second frame unit for upper transfer and moving in the third axial direction;
a third axial direction movement guide unit for upper transfer connected to the third axial direction movement block unit for upper transfer and guiding movement of the third axial direction movable block unit for upper transfer; and
A secondary battery manufacturing system comprising a third axial direction movement driver for upper transfer connected to the third axial direction movable block for upper transfer and moving the third axial direction movable block for upper transfer. According to claim 1,
The electrode up / down unit,
an electrode stage unit supporting the tray on which the electrode stack is loaded and moving the tray on which the electrode stack is loaded in the second axial direction;
a moving block unit for up/down electrodes coupled to the electrode stage unit and moved in the third axis direction;
an electrode up/down movement guide unit connected to the electrode up/down movement block unit to guide movement of the electrode up/down movement block unit; and
and a moving driver for electrode up/down that is connected to the moving block for up/down the electrode and moves the moving block for up/down the electrode. According to claim 7,
The electrode stage part,
an electrode stage frame unit coupled to the electrode up/down moving block unit;
a plurality of stage transfer roller units for first electrodes rotatably coupled to the stage frame unit for electrodes and spaced apart from each other in the second axis direction;
For a plurality of second electrodes that are rotatably coupled to the electrode stage frame part and spaced apart from each other in the second axial direction, and spaced apart from the first electrode stage transfer roller part in the first axial direction. stage transfer roller unit;
a first electrode stage conveying belt part supported and rotated by the stage conveying roller part for the first electrode; and
A secondary battery manufacturing system comprising a stage conveying belt for the second electrode supported and rotated by the stage conveying roller for the second electrode. According to claim 1,
The lower transfer unit,
a first axial conveying unit for lower conveying to convey the tray in the first axial direction;
a second axial transfer unit for lower transfer disposed adjacent to the first axial transfer unit for lower transfer and transporting the tray in the second axial direction; and
The third axial direction for lower transfer is supported by the first axial transfer unit for lower transfer and is connected to the second axial transfer unit for lower transfer, and moves the second axial transfer unit for lower transfer in the third axial direction. A secondary battery manufacturing system comprising a transfer unit. According to claim 9,
The first axial transfer unit for the lower transfer,
a first frame unit for lower transfer;
a plurality of first transfer roller units for lower transfer that are rotatably coupled to the first frame unit for lower transfer and spaced apart from each other in the first axis direction;
A plurality of lower conveyances rotatably coupled to the first frame part for lower conveyance, spaced apart from each other in the first axis direction, and spaced apart from the first conveyance roller part for lower conveyance in the second axis direction. a second transfer roller unit;
a first belt unit for lower transfer supported and rotated by the first transfer roller unit for lower transfer; and
A secondary battery manufacturing system comprising a second belt part for lower conveyance supported and rotated by the second conveyance roller part for lower conveyance. According to claim 10,
The second axial transfer unit for the lower transfer,
a second frame unit for lower transfer positioned between the first transfer roller unit for lower transfer and the second transfer roller unit for lower transfer;
a plurality of third transfer roller units for lower transfer that are rotatably coupled to the second frame unit for lower transfer and spaced apart from each other in the second axis direction;
A plurality of lower conveyances rotatably coupled to the second frame part for lower conveyance, spaced apart from each other in the second axis direction, and spaced apart from the third conveyance roller part for lower conveyance in the first axis direction. a fourth transfer roller unit;
a third belt unit for lower transfer supported and rotated by the third transfer roller unit for lower transfer; and
A secondary battery manufacturing system comprising a fourth belt part for lower conveyance supported and rotated by the fourth conveyance roller part for lower conveyance. According to claim 11,
The third axial transfer unit for the lower transfer,
a third axis-direction moving block unit for lower transfer coupled to the second frame unit for lower transfer and moving in the third axis direction;
a third axial direction movement guide unit for lower transfer connected to the third axial direction movable block unit for lower transfer and guiding movement of the third axial direction movable block unit for lower transfer; and
A secondary battery manufacturing system comprising a third axial direction movement driver for lower transfer connected to the third axial direction movable block for lower transfer and moving the third axial direction movable block for lower transfer. According to claim 1,
The electrode retraction device,
a pull-in stage unit supporting the tray and moving the tray in the first axis direction;
a moving block unit for up/down the retraction stage coupled to the retracting stage unit and moved in the third axis direction;
a movement guide unit for up/down the incoming stage connected to the movement block unit for up/down the incoming stage and guiding movement of the movement block unit for up/down the incoming stage; and
and a moving driver for up/down the lead-in stage connected to the moving block for up/down the lead-in stage to move the move-block for up/down the lead-in stage. According to claim 1,
The electrode withdrawal device,
a pull-out stage unit supporting the tray and moving the tray in the first axis direction;
a moving block unit for up/down the take-out stage coupled to the take-out stage and moving in the third axis direction;
a movement guide unit for up/down the take-out stage connected to the move block unit for up/down the take-out stage and guiding movement of the move block part for up/down the take-out stage; and
and a movement driver for up/down the take-out stage that is connected to the move block for up/down the take-out stage and moves the move block for up/down the take-out stage. According to claim 1,
The tray transport device,
Frame unit for conveyance;
a plurality of first conveying roller units rotatably coupled to the conveying frame part and spaced apart from each other in the first axis direction;
A plurality of second transport rollers for transport rotatably coupled to the transport frame unit, spaced apart from each other in the first axis direction, and spaced apart from each other in the second axis direction with respect to the first transport roller unit for transport. wealth;
a conveying first belt part that is supported and rotated by the conveying first conveying roller part; and
A secondary battery manufacturing system comprising a second conveying belt part supported and rotated by the second conveying roller part.

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