Apparatus and method for separating two electrode plates for secondary battery

Abstract

The purpose of the present invention is to provide an apparatus and a method for separating two electrode plates for a secondary battery. According to the present invention, the apparatus for separating two electrode plates for a secondary battery comprises: a pickup main frame (130); and a pickup inversion unit supported by the pickup main frame (130) and configured to pick up one electrode plate (10) among multiple electrode plates (10) stacked in a stack magazine (132) of the pickup main frame (130) and invert the one electrode plate (10). In the present invention, unlike the prior art, electrode plates can be reliably picked up one at a time rather than two at a time, thereby solving the problem of disruptions occurring in the pickup and placement process of secondary battery electrode plates, and further solving the problem of disruptions occurring in the overall manufacturing process of a secondary battery.

Description

A device for separating electrode plates for secondary batteries and a method for separating electrode plates for secondary batteries

[0001] The present invention relates to a secondary battery electrode plate separation device, and more specifically, to a novel secondary battery electrode plate separation device and a secondary battery electrode plate separation method, which prevent the case where two electrode plates (10) are picked up at a time during a secondary battery manufacturing process and stably pick up one plate at a time.

[0002]

[0003] A secondary battery is manufactured by stacking a separator on a plurality of positive electrode plates (10), stacking a negative electrode plate (10) on the separator, stacking a positive electrode plate (10) again on the upper surface of the separator on the negative electrode plate (10), and then sequentially stacking a separator and a negative electrode plate (10) again.

[0004] At this time, during the secondary battery manufacturing process, a plate (10) pick-up and place process (P&P process) is performed, in which the plates (10) loaded in the plate (10) stack magazine (132) are picked up one by one and placed on the plate (10) process line. The plates (10) are picked up one by one from the plate (10) stack magazine (132) and placed on the battery cell manufacturing process line or moved to another plate (10) stack magazine (132) to perform the battery cell manufacturing process.

[0005] However, in the past, when trying to lift the electrode plates (10) one by one with a pickup device, there were many cases where the electrode plates (10) were lifted two at a time instead of one by one, so there was a problem of problems occurring in the pick-up and place process of the secondary battery electrode plates (10), and further, there was a problem of causing problems in the entire secondary battery manufacturing process.

[0006]

[0007] The purpose of the present invention is to provide a novel configuration of a secondary battery electrode plate separation device and a secondary battery electrode plate separation method that prevents the case of picking up two electrode plates (10) at a time during a secondary battery manufacturing process and stably picks up one plate at a time.

[0008]

[0009] According to the present invention for solving the above-described problem, a secondary battery electrode plate separation device is provided, characterized by including a pickup main frame (130), and a pickup inversion unit that picks up one electrode plate (10) from among a plurality of electrode plates (10) supported by the pickup main frame (130) and loaded in a stack magazine (132) of the pickup main frame (130) and inverts the one electrode plate (10) so as to be turned upside down.

[0010] The above pickup reversal unit is characterized by including a pickup drive motor (142) mounted on the pickup main frame (130) and arranged on the side of the stack magazine (132), a pickup lifting frame (143) that is elevated by the operation of the pickup drive motor (142), a reversal drive motor (144) mounted on the pickup lifting frame (143), a reversal shaft (145) that is rotated by the operation of the reversal drive motor (144), and a reversal block (146) that is coupled to the reversal shaft (145) and is equipped with a pickup suction pad (147).

[0011] The above-mentioned inversion block (146) is provided in a plurality along the longitudinal direction of the inversion shaft (145), and the pickup suction pad (147) includes a first position pickup suction pad (147A) arranged at one end of the inversion block (146) and a second position pickup suction pad (147B) arranged at the other end of the inversion block (146), and the pickup suction surface of the first position pickup suction pad (147A) and the pickup suction surface of the second position pickup suction pad (147B) are arranged in opposite directions based on the center line between the upper and lower surfaces of the inversion block (146), and when the first position pickup suction pad (147A) or the second position pickup suction pad (147B) picks up the pole plate (10), it is characterized in that it is configured to pick up from one end of the pole plate (10).

[0012] It further includes an air blower (152) provided in the stack magazine (132), and is characterized in that the inversion shaft (145) is rotated at a certain angle by driving the inversion drive motor (144) of the pickup inversion unit, so that the inversion block (146) and the pickup suction pad (147) are tilted at a certain angle, and one end of one plate (10) is tilted upward in the stack magazine (132), and air is blown by the air blower (152) during the tilting operation of the plate (10), so that the two plates (10) are separated.

[0013] The above pickup reversing unit further includes a pickup moving unit that receives one flipped polar plate (10), and the pickup moving unit,

[0014] It is characterized by including a pickup moving lifting frame (162) that is lifted by a lifting drive device on the upper side of the pickup reversing unit, and a pickup moving stone pad (164) that suctions the pickup moving lifting frame (162) to receive the pole plate (10) picked up by the pickup suction pad (147) of the pickup reversing unit and reversed by the reversing drive motor (144).

[0015] According to the present invention, a method for separating a plate from a secondary battery using a plate separating device for a secondary battery in which a pickup inversion unit is supported on a pickup main frame (130) is provided, characterized in that the method includes a plate pickup step of picking up one plate (10) from among a plurality of plates (10) loaded in a stack magazine (132) of the pickup main frame (130), and a plate inversion step of inverting one plate (10) lifted from the stack magazine (132) by the pickup inversion unit so as to be turned upside down.

[0016]

[0017] The present invention has the effect of solving the problem of problems occurring in the pick-up and place process of secondary battery electrode plates because, unlike the existing method, the electrode plates are lifted not two at a time but only one at a time, and further has the effect of solving the problem of problems causing problems in the entire secondary battery manufacturing process.

[0018]

[0019] Figure 1 is a perspective view of a secondary battery electrode plate separation device according to the present invention.

[0020] Figure 2 is a side view of Figure 1;

[0021] Figure 3 is a front view of Figure 1;

[0022] Figure 4 is a front view showing the structure of the pickup moving lifting frame and the pickup moving suction pad, which are other main parts of the present invention.

[0023] Figure 5 is a drawing showing the order of separation of the electrode plates by the electrode plate separation device for a secondary battery according to the present invention.

[0024] Figure 6 is an enlarged view of the main part of Figure 5.

[0025] Figure 7 is a front view schematically showing the structure of an air blower, which is another major part of a secondary battery electrode plate separation device according to the present invention.

[0026]

[0027] Pickup main frame (130),

[0028] The present invention provides a secondary battery electrode plate separation device, characterized in that it includes a pickup inversion unit that picks up one electrode plate (10) from among a plurality of electrode plates (10) supported by the pickup main frame (130) and loaded in a stack magazine (132) of the pickup main frame (130) and inverts the one electrode plate (10) so that it is turned upside down.

[0029]

[0030] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings. The objects, features, and advantages of the present invention will be more readily understood by referring to the attached drawings and the detailed description below. Like reference numerals designate like parts throughout the drawings. Furthermore, in describing the present invention, detailed descriptions of known components or functions will be omitted if they are deemed to obscure the gist of the present invention.

[0031] Additionally, terms such as first, second, A, B, (a), (b), etc. may be used to describe components of the present invention. These terms are only intended to distinguish the components from other components, and the nature, order, or sequence of the components are not limited by the terms. When it is described that a component is "connected," "coupled," or "connected" to another component, it should be understood that the component may be directly connected or connected to the other component, but another component may also be "connected," "coupled," or "connected" between each component.

[0032]

[0033] FIG. 1 is a perspective view of a plate separation device for a secondary battery according to the present invention, FIG. 2 is a side view of FIG. 1, FIG. 3 is a front view of FIG. 1, FIG. 4 is a front view showing the structure of a pickup moving lifting frame and a pickup moving suction pad, which are other main parts of the present invention, FIG. 5 is a drawing showing a plate separation sequence by a plate separation device for a secondary battery according to the present invention, FIG. 6 is an enlarged view of a main part of FIG. 5, and FIG. 7 is a front view schematically showing the structure of an air blower, which is another main part of a plate separation device for a secondary battery according to the present invention.

[0034] Referring to the drawings, the secondary battery electrode plate separation device of the present invention includes a pickup main frame (130) and a pickup inversion unit that is supported by the pickup main frame (130) and picks up one electrode plate (10) from among a plurality of electrode plates (10) loaded in a stack magazine (132) of the pickup main frame (130) and inverts the one electrode plate (10) so that it is turned upside down.

[0035] At this time, the present invention may further include a pickup moving unit that receives one polar plate (10) flipped by the pickup reversing unit.

[0036] Meanwhile, according to the present invention, a method for separating a plate for a secondary battery using a plate separation device for a secondary battery in which a pickup inversion unit is supported on a pickup main frame (130) is provided. The method for separating a plate for a secondary battery (10) of the present invention includes a plate pickup step of picking up one plate (10) from among a plurality of plates (10) loaded in a stack magazine (132) of the pickup main frame (130), and a plate inversion step of inverting one plate (10) lifted from the stack magazine (132) by the pickup inversion unit so that it is turned upside down.

[0037] The above pickup reversing unit includes a pickup driving motor (142), a pickup lifting frame (143), a reversing driving motor (144), a reversing shaft (145), a reversing block (146), and a pickup suction pad (147).

[0038] The above pickup drive motor (142) is mounted on the pickup main frame (130). The pickup drive motor (142) is positioned on the side of the stack magazine (132) provided on the pickup main frame (130). The motor shaft of the pickup drive motor (142) is positioned in a vertical direction.

[0039] The above pickup lifting frame (143) is raised and lowered by the operation of the pickup driving motor (142). In the present invention, a ball screw is connected to the vertical motor shaft of the pickup driving motor (142), a ball screw nut is coupled to the ball screw, and the lifting pickup frame is connected to the ball screw nut, so that the pickup lifting frame (143) is raised as the motor shaft of the pickup driving motor (142) rotates in one direction (e.g., counterclockwise), and the pickup lifting frame (143) is lowered as the motor shaft of the pickup driving motor (142) rotates in the other direction (e.g., clockwise). In this way, the pickup lifting frame (143) is configured to be raised and lowered from the pickup main frame (130) in accordance with the operation of the pickup driving motor (142).

[0040] The above-mentioned reverse drive motor (144) is mounted on the pickup lifting frame (143). The motor shaft of the reverse drive motor (144) is arranged in a horizontal direction. The structure is such that the motor shaft of the reverse drive motor (144) is arranged in a direction parallel to the longitudinal direction of the front and rear ends of the pickup main frame (130) and is arranged in a horizontal direction at the same time.

[0041] The above-described reversing shaft (145) rotates by the driving of the reversing drive motor (144). The reversing shaft (145) is coaxially connected to the motor shaft of the reversing drive motor (144) via a connecting means such as a coupler, so that when the motor shaft of the reversing drive motor (144) rotates in one direction (e.g., rotates counterclockwise), the reversing shaft (145) also rotates in one direction (e.g., rotates counterclockwise), and when the motor shaft of the reversing drive motor (144) rotates in the other direction (e.g., rotates clockwise), the reversing shaft (145) also rotates in the other direction (e.g., rotates clockwise). The reversing shaft (145) is horizontally arranged above the stack magazine (132) provided in the pickup main frame (130) and is simultaneously arranged in a direction parallel to the longitudinal direction of the front and rear ends of the pickup main frame (130).

[0042] The above-described inversion block (146) is coupled to the inversion shaft (145). A pair of upper and lower inversion blocks (146) are coupled to the outer surface of the inversion shaft (145) by a fastening means such as a bolt, so that the inversion block (146) is coupled to the inversion shaft (145). A plurality of inversion blocks (146) are arranged on a stack magazine (132) provided in the pickup main frame (130). The plurality of inversion blocks (146) are arranged at regular intervals along the longitudinal direction of the front and rear ends of the pickup main frame (130).

[0043] The above-described inversion block (146) is provided with a pickup suction pad (147). The inversion blocks (146) are provided in a plurality along the longitudinal direction of the inversion shaft (145), and the pickup suction pads (147) include a first position pickup suction pad (147A) arranged at one end of the inversion block (146) and a second position pickup suction pad (147B) arranged at the other end of the inversion block (146).

[0044] The pickup suction surface of the first position pickup suction pad (147A) and the pickup suction surface of the second position pickup suction pad (147B) are arranged in opposite directions based on the center line between the upper and lower surfaces of the inversion block (146). When the pickup suction surface of the first position pickup suction pad (147A) is arranged below the bottom surface of the inversion block (146), the pickup suction surface of the first position pickup suction pad (147A) is arranged above the upper surface of the inversion block (146).

[0045] At this time, an external suction vacuum device is connected to the first position pickup suction pad (147A) and the second position pickup suction pad (147B) via a suction vacuum pressure connecting pipe, so that by the operation of the suction vacuum device, suction vacuum pressure is applied to the pickup suction surface of the first position pickup suction pad (147A) and the pickup suction surface of the first position pickup suction pad (147B), so that one plate (10) can be sucked by the first position pickup suction pad (147A) or the second position pickup suction pad (147B).

[0046] In this state, the inversion shaft (145) is rotated at a certain angle by driving the inversion drive motor (144) of the pickup inversion unit, so that the inversion block (146) and the pickup suction pad (147) are tilted at a certain angle so that one end of one plate (10) is lifted upward from the stack magazine (132), thereby picking up one plate (10) from the stack magazine (132).

[0047] Accordingly, the present invention has the effect of solving the problem of a problem occurring in the pick-up and place process of the secondary battery electrode plate (10) because, unlike the existing method, the electrode plates (10) are lifted not two at a time but only one at a time, and further has the effect of solving the problem of causing a problem in the entire secondary battery manufacturing process.

[0048] The present invention installs a reversal unit on a magazine lift, performs separation of the sheets by reversing, tilting, and air blowing after separation of the sheets inside the magazine, thereby minimizing errors due to the separation of the sheets (i.e., the phenomenon in which two plates (10) are picked up at a time) and increasing the pick-up and place speed.

[0049] Meanwhile, in the present invention, when the first position pickup suction pad (147A) or the second position pickup suction pad (147B) picks up the electrode plate (10), it is configured to pick up from one end of the electrode plate (10).

[0050] In this way, when the first position pickup suction pad (147A) or the second position pickup suction pad (147B) picks up the plate (10) by picking it up from one end of the plate (10), there is an effect that can more reliably prevent the case where only one plate (10) among the multiple plates (10) stacked in the stack magazine (132) is picked up more smoothly and the plates (10) are picked up in two sheets (i.e., the plates (10) are picked up in two sheets).

[0051] Meanwhile, the inverted block (146) is provided with one electrode supporter (146SP) (electrode supporter) on each of the left and right sides based on the longitudinal center line, so that when the first position pickup suction pad (147A) or the second position pickup suction pad (147B) picks up one end of the electrode plate (10), the electrode supporter (146SP) presses and supports the other end of the electrode plate (10), thereby enabling the first position pickup suction pad (147A) or the second position pickup suction pad (147B) to more reliably pick up the electrode plates (10) one by one.

[0052] In addition, the present invention further includes an air blower (152) provided in the stack magazine (132). The air blower (152) may be configured to be connected to an external air blower (152) (e.g., an air blowing fan) via an air blowing connection pipe.

[0053] By driving the inversion drive motor (144) of the pickup inversion unit, the inversion shaft (145) is rotated at a certain angle, so that the inversion block (146) and the pickup suction pad (147) are tilted at a certain angle, and one end of one plate (10) is lifted upward from the stack magazine (132). When the plate (10) is tilted, air is blown by the air blower (152) so that the separation of the two plates (10) can be more smoothly achieved.

[0054] In addition, the present invention further includes a pickup moving unit that receives one sheet of the polar plate (10) that has been flipped by the pickup reversing unit.

[0055] The above pickup moving unit is configured to include a pickup moving lifting frame (162) that is lifted by a lifting drive device above the pickup reversing unit, and a pickup moving stone pad (164) that suctions the pickup moving lifting frame (162) to receive the pole plate (10) picked up by the pickup suction pad (147) of the pickup reversing unit and reversed by the reversing drive motor (144).

[0056] The above pickup moving lifting frame (162) is connected to the lifting drive device as connected to the cylinder rod of the lifting cylinder (not shown), so that the pickup moving lifting frame (162) descends toward the pole plate (10) reversed by the reverse driving motor (144) as the cylinder rod of the lifting cylinder descends, so that the pickup moving stone pad (164) suctions one pole plate (10) reversed by the reverse driving motor (144) by the vacuum suction pressure, and the vacuum suction pressure of the first position pickup suction pad (147A) or the vacuum suction pressure of the second position pickup suction pad (147B) that holds the pole plate (10) reversed by the reverse driving motor (144) by the vacuum suction pressure is released, and then the pickup moving lifting frame (162) ascends as the cylinder rod of the lifting cylinder rises, so that one pole plate (10) reversed by the reverse driving motor (144) The chapter is handed over.

[0057] Therefore, the present invention is more efficient in automating the secondary battery manufacturing process because the pick-up moving unit can receive one plate (10) picked up and inverted by the pick-up inversion unit in an automated process and transfer it to the next process of the secondary battery manufacturing process.

[0058]

[0059] The above has described specific embodiments of the present invention. However, the spirit and scope of the present invention are not limited to these specific embodiments, and those skilled in the art will understand that various modifications and variations are possible without altering the spirit of the present invention.

[0060] Accordingly, the embodiments described above are provided to fully inform a person having ordinary skill in the art of the present invention of the scope of the invention, and should be understood to be exemplary and not limiting in all respects, and the present invention is defined only by the scope of the claims.

[0061]

[0062] The present invention relates to a secondary battery electrode plate separation device, and more specifically, to a novel secondary battery electrode plate separation device and secondary battery electrode plate separation method that prevents the case of picking up two electrode plates (10) at a time during a secondary battery manufacturing process and stably picks up one plate at a time, and can be utilized as a useful technology in the relevant technical field.

Claims

1. Pickup main frame (130), A secondary battery electrode plate separation device characterized by including a pickup inversion unit that picks up one electrode plate (10) from among a plurality of electrode plates (10) supported by the pickup main frame (130) and loaded in a stack magazine (132) of the pickup main frame (130) and inverts the one electrode plate (10) so that it is turned upside down.

2. In paragraph 1, The above pickup reversing unit, A pickup drive motor (142) mounted on the pickup main frame (130) and arranged on the side of the stack magazine (132), A pickup lifting frame (143) that is raised and lowered by the operation of the above pickup driving motor (142), A reverse driving motor (144) mounted on the above pickup lifting frame (143), A reversing shaft (145) that rotates by driving the above-mentioned reversing drive motor (144), A secondary battery electrode plate separation device characterized by including an inversion block (146) coupled to the above inversion shaft (145) and equipped with a pickup suction pad (147).

3. In paragraph 2, The above-mentioned inversion block (146) is provided in a plurality along the length direction of the inversion shaft (145), and the pickup suction pad (147) includes a first position pickup suction pad (147A) arranged at one end of the inversion block (146) and a second position pickup suction pad (147B) arranged at the other end of the inversion block (146). The pickup suction surface of the first position pickup suction pad (147A) and the pickup suction surface of the second position pickup suction pad (147B) are arranged in opposite directions based on the center line between the upper and lower surfaces of the inverted block (146). A secondary battery electrode plate separation device characterized in that the first position pickup suction pad (147A) or the second position pickup suction pad (147B) is configured to pick up the electrode plate (10) from one end of the electrode plate (10).

4. In paragraph 2, It further includes an air blower (152) equipped in the above stack magazine (132), A secondary battery electrode plate separation device in which the electrode plate (10) is tilted by a predetermined angle by driving the inversion drive motor (144) of the pickup inversion unit to rotate the inversion shaft (145) at a predetermined angle so that the inversion block (146) and the pickup suction pad (147) are tilted at a predetermined angle so that one end of one electrode plate (10) is lifted upward from the stack magazine (132), and air is blown by the air blower (152) during the tilting operation of the electrode plate (10) so that the electrode plate (10) is separated from the other electrode plate (10).

5. In paragraph 2, The above pickup reversing unit further includes a pickup moving unit that receives one flipped polar plate (10), The above pickup moving unit is, A pickup moving lifting frame (162) that is lifted by a lifting drive device on the top of the above pickup reversing unit, A secondary battery electrode plate separation device characterized in that it includes a pickup moving stone pad (164) that suctions the electrode plate (10) picked up by the pickup suction pad (147) of the pickup inversion unit and inverted by the inversion drive motor (144) to be transferred to the pickup moving lifting frame (162).

6. A method for separating a secondary battery electrode plate using a secondary battery electrode plate separating device in which a pickup inversion unit is supported on a pickup main frame (130), A plate pickup step for picking up one plate (10) from among multiple plates (10) loaded in the stack magazine (132) of the above pickup main frame (130), A method for separating a secondary battery electrode plate, characterized in that the pickup reversing unit includes a plate reversing step for reversing a single electrode plate (10) lifted from the stack magazine (132) so that it is upside down.

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