WO2023008637A1

WO2023008637A1 - Round-battery inspection device

Info

Publication number: WO2023008637A1
Application number: PCT/KR2021/011209
Authority: WO
Inventors: 송준원; 이윤배; 박철한; 이정회; 송화협
Original assignee: 세종기술 주식회사
Priority date: 2021-07-27
Filing date: 2021-08-23
Publication date: 2023-02-02
Also published as: KR20230016911A; KR102628806B1

Abstract

A round-battery inspection device according to one embodiment of the present invention comprises: a main frame forming the exterior thereof; a turntable which has a plurality of round batteries loaded on each side surface thereof and which is rotatably provided on the main frame so as to transfer the round batteries; an outer-circumferential-surface inspection module which is provided on a first side surface of the turntable and which individually rotates the round batteries, transferred from the turntable, so as to inspect the outer circumferential surfaces of the round batteries; a top-and-bottom-surface inspection module which is provided on a second side surface of the turntable and which continuously inspects the top and bottom surfaces of the round batteries transferred from the turntable; and a marking module which is provided on a third side surface of the turntable, and which is provided to face the outer circumferential surfaces of the round batteries so as to continuously mark the respective round batteries with a fixed mark.

Description

Circular Battery Inspection Device

The present invention relates to a circular battery inspection device, and relates to a circular battery inspection device capable of accurately and reliably inspecting the entire surface of a circular battery.

A secondary battery is a battery composed of one or more electrochemical cells capable of charging and discharging. Secondary batteries are produced in a variety of shapes and sizes, from button cells connected to stabilize power distribution networks to megawatt systems, and are made of lead acid, nickel, cadmium (NiCd), nickel, metal hydride (NiMH), and lithium ion (Li-ion). ), a combination of various “electrode” materials such as Li-ion polymer and an electrolyte are used.

Secondary batteries are manufactured in various forms. Depending on the mounting space, structure, standard, mass productivity, etc., it can be manufactured in a cylindrical shape, a quadrangular column shape, a pouch type, or the like.

Here, the circular battery is manufactured through an electrode process for producing negative electrode material, positive electrode material, and active material, an assembly process for assembling various substrates, and a chemical process for activating the battery through charging and discharging and aging.

At this time, the battery manufactured through the above process may have defects such as surface scratches and dents, and may have barcode omission or marking error, resulting in a defective product. In this type of battery B, defects may occur on the upper surface U, lower surface L, and outer circumferential surface O (hereinafter referred to as 'entire surface'), so the entire surface needs to be inspected.

Figure 1 shows the inspection of a circular battery B on a conveyor C. Referring to FIG. 1 , conventionally, the entire surface of a circular battery (B) was inspected by a camera (V) while a circular battery (B) was loaded on a conveyor (C) and transported.

In this case, the inspection precision is poor, so the determination of defective products and good products is performed through re-inspection, surface defects of the circular battery (B) due to the conveyor (C) belt may occur during transport to the conveyor (C), and the camera (V ), the upper surface (U) and the lower surface (L) of the circular battery (B) may not be properly inspected depending on the shooting angle. In addition, there is a problem in that only a part of the outer circumferential surface O of the circular battery B exposed to the camera V is inspected, and the unexposed outer circumferential surface O is not inspected.

Therefore, there is a need to develop a circular battery inspection device capable of accurately and reliably inspecting the entire surface of the circular battery, such as the upper surface, lower surface, and outer circumferential surface.

An object of the present invention is to provide a circular battery inspection device capable of accurately and reliably inspecting the entire surface of a circular battery.

A circular battery inspection device according to an embodiment of the present invention for solving the above problems includes a main frame forming an exterior; a turntable on which a plurality of circular batteries are seated on each side and rotatably provided on the main frame to transfer the circular batteries; an outer circumference inspection module provided on a first side of the turntable and inspecting an outer circumferential surface of the circular battery by individually rotating the circular batteries transported from the turntable; an upper and lower surface inspection module provided on a second side of the turntable and continuously inspecting the upper and lower surfaces of the circular battery transported from the turntable; and a marking module provided on a third side of the turntable and facing an outer circumferential surface of the circular battery to continuously mark a schedule display on each of the circular batteries. includes

Also, the turntable may transfer the circular battery from the first side to the second side, from the second side to the third side, and from the third side to the fourth side.

Also, the turntable may be rotated by 90 degrees.

In addition, the turntable may include a battery seating module in which the circular battery is seated; and a turntable rotation module provided on the main frame and rotating the battery seating module. can include

In addition, the battery seating module may include a fixing plate fixed to the turntable rotation module; a movable plate disposed parallel to the fixed plate and moved forward and backward with respect to the fixed plate; a seating bracket provided on the fixing plate and on which the circular battery is seated; a moving piston provided on the moving plate, penetrating the fixed plate, and moving forward and backward with respect to the mounting bracket; a support bar provided at an end of the movable piston and pressurizing the circular battery to the seating bracket to seat the circular battery on the seating bracket; and a driving cylinder coupled to the moving plate to move the moving plate to move the moving piston forward and backward. can include

In addition, the outer circumferential inspection module may include a battery rotation module that contacts the circular battery and individually rotates the circular battery; and an outer circumferential vision module facing the outer circumferential surface of the circular battery and photographing the outer circumferential surface of the circular battery when the battery rotation module individually rotates the circular battery. can include

In addition, the battery rotation module may include an upper surface module contacting the upper surface of each circular battery and supporting the upper surface of each circular battery; and a lower surface module contacting a lower surface of each of the circular batteries to individually rotate each of the circular batteries. can include

In addition, the upper surface module may include an upper surface lifting and lowering unit provided on the main frame and moving up and down on the main frame; an upper surface horizontal frame provided in the upper surface lifting and lowering unit and lifting and lowering together with the upper surface lifting and lowering unit; and a plurality of upper surface rods provided on the upper surface horizontal frame and contacting the upper surface of each of the circular batteries. can include

In addition, if the module, if provided in the main frame fixed frame; When the elevating frame is raised and lowered when the fixed frame; When the ball screw is provided in the fixing frame, when the elevating and lowering frame elevating and lowering; a lower surface horizontal frame provided on the elevating and descending frame, elevating and descending together with the elevating and descending frame, and seating the lower surface of the circular battery; a bottom rod provided on the elevating and descending frame and passing through the bottom horizontal frame to rotate the circular battery seated on the bottom horizontal frame; When the battery rotation unit is provided on the elevating frame and rotates the load when the; and a servomotor for rotating the battery rotation unit. can include

In addition, the upper and lower surface inspection module includes an upper and lower frame provided in the main frame; upper and lower LM guides provided on the upper and lower frames and sliding in the horizontal direction; upper and lower bases coupled to the upper and lower LM guides; upper and lower surface ball screws provided on the upper and lower frames and sliding the upper and lower bases in the horizontal direction; and a top and bottom vision provided on the top and bottom bases to photograph the top and bottom surfaces of the circular battery. can include

According to the circular battery inspection device according to an embodiment of the present invention, the turntable 20 transfers the circular battery B to the first side 20a, the second side 20b, and the third side 20c, The outer circumference inspection module 30 provided on the first side surface 20a individually rotates each circular battery B to inspect the entire outer circumference O, and the upper and lower surface inspection module 40 provided on the second side surface 20b. ) continuously inspects the upper surface U and the lower surface L of the circular battery B, so that the entire surface of the circular battery B can be accurately, effectively and reliably inspected.

In addition, the marking module 50 provided on the third side surface 20c continuously marks the plurality of circular batteries B as defective or non-defective, thereby improving the inspection efficiency of the circular batteries B.

1 is a view of inspecting a circular battery (B) through a conveyor (C).

2 is a perspective view of a circular battery test device according to an embodiment of the present invention.

3 is a plan view of a circular battery test device according to an embodiment of the present invention.

4 is a perspective view of the outer peripheral surface inspection module 30 according to an embodiment of the present invention.

5 is a perspective view of the upper and lower surface inspection module 40 according to an embodiment of the present invention.

6 is a perspective view of a marking module 50 according to an embodiment of the present invention.

7 is an operation flowchart of a circular battery test device according to an embodiment of the present invention.

8 is a side view of a turntable 20 according to an embodiment of the present invention.

9 is a perspective view of the battery seating module 22 according to an embodiment of the present invention.

10 is an operation diagram of the battery loading module 22 according to an embodiment of the present invention.

11 is a perspective view of a battery rotation module 31 according to an embodiment of the present invention.

12 is a side view of the battery rotation module 31 according to an embodiment of the present invention.

13 is an operation diagram of the battery rotation module 31 according to an embodiment of the present invention.

14 is a perspective view of the upper and lower surface inspection module 40 according to an embodiment of the present invention.

15 is a perspective view of a marking module 50 according to an embodiment of the present invention.

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs. It is provided to completely inform the person who has the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numbers designate like elements throughout the specification.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail. Like reference numerals in each drawing indicate like members.

Hereinafter, a circular battery test device according to an embodiment of the present invention will be described with reference to FIGS. 2 to 6 .

Figure 2 is a perspective view of a circular battery testing device according to an embodiment of the present invention, Figure 3 is a plan view of a circular battery testing device according to an embodiment of the present invention, Figure 4 is an outer circumferential surface according to an embodiment of the present invention A perspective view of an inspection module, FIG. 5 is a perspective view of an upper and lower inspection module according to an embodiment of the present invention, and FIG. 6 is a perspective view of a marking module 50 according to an embodiment of the present invention.

2 to 6, in the circular battery inspection device according to an embodiment of the present invention, a main frame 10 forming an exterior, a plurality of circular batteries B are seated on each side, and the main frame A turntable 20 rotatably provided to 10 to transport the circular battery B, and the circular shape provided on the first side 20a of the turntable 20 and transferred from the turntable 20 An outer circumference inspection module 30 for inspecting the outer circumferential surface O of the circular battery B by individually rotating the battery B, provided on the second side surface 20b of the turntable 20, the turntable 20 ) is provided on the upper and lower surface inspection module 40 for continuously inspecting the upper surface (U) and lower surface (L) of the circular battery (B) transferred from, and the third side surface (20c) of the turntable (20), A marking module 50 provided to face the outer circumferential surface (O) of the circular battery (B) and continuously marking a schedule mark on the outer circumferential surface (O) of each circular battery (B).

The circular battery B may be implemented as a secondary battery capable of charging and discharging. The circular battery B may be implemented in a cylindrical type. In this case, the surface of the circular battery may be formed of an upper surface (U), a lower surface (L) and an outer circumferential surface (O). Here, the upper surface (U), the lower surface (L), and the outer circumferential surface (O) of the circular battery (B) are defined as the entire surface.

The circular battery B may have defects (hereinafter referred to as 'surface defects') such as scratches, nicks, missing barcodes, or barcode marking errors during manufacturing or transportation. Surface defects may occur on the upper surface (U), lower surface (L) and outer circumferential surface (O) of the circular battery (B).

The main frame 10 forms the exterior. The main frame 10 may include components described below.

The turntable 20 is provided on the main frame 10 . The turntable 20 may be rotatably provided on the main frame 10 . In this case, the turntable 20 may be rotated based on the main frame 10 . 2, the X-axis, Y-axis, and Z-axis are defined. The turntable 20 may be rotated around the Z axis as a rotation axis.

The turntable 20 may be implemented in a circular, rectangular, or polygonal plane. The turntable 20 according to an embodiment of the present invention is implemented in a rectangular plane, but the embodiment is not limited thereto.

When the turntable 20 is implemented in a rectangular shape, each of four side surfaces may be formed on the turntable 20 . At this time, each side is defined as a first side (20a), a second side (20b), a third side (20c) and a fourth side (20d).

A circular battery B may be loaded and/or unloaded on the turntable 20 . In this case, the circular battery B may be loaded and unloaded through the input unit E shown in FIG. 2 . The circular battery B may be loaded and/or unloaded on the side of the turntable 20 . The circular battery B may be loaded and/or unloaded in a battery seating module 22 to be described later. A known loading module (not shown) capable of loading and/or unloading the circular battery B from the turntable 20 may be provided in the input unit E.

A circular battery B may be seated on the turntable 20 . As described above, when the turntable 20 is implemented in a rectangular shape, first side surfaces 20a to fourth side surfaces 20d may be formed on the turntable 20 . At this time, the circular battery B may be seated on each side of the turntable 20 . In this case, the circular battery B may be seated on the first side surface 20a, the second side surface 20b, the third side surface 20c, and the fourth side surface 20d.

Depending on the embodiment, a plurality of circular batteries B may be seated on each side of the turntable 20 . A plurality of circular batteries B may be arranged side by side along each side. In this case, 16 circular batteries B may be seated on each side, but the embodiment is not limited thereto.

The turntable 20 transfers the circular battery B. When the turntable 20 is rotated with respect to the main frame 10, the circular battery B can be transferred to a component described later. In this case, the turntable 20 may transfer the circular battery B to the outer surface inspection module 30 or the upper and lower surface inspection module 40 or the marking module 50 .

When the turntable 20 is rotated with respect to the main frame 10, the circular battery B may be transferred from the first side surface 20a to the second side surface 20b. In addition, the circular battery B is transferred from the first side 20a to the second side 20b, from the second side 20b to the third side 20c, and from the third side 20c to the fourth side 20d. ), it can be transferred from the fourth side surface 20d to the first side surface 20a. In this case, the turntable 20 may be rotated by 90 degrees around the Z axis as a rotation axis.

The outer surface inspection module 30 is provided on the main frame 10 . The outer circumference inspection module 30 is provided on the side of the turntable 20 . The outer circumference inspection module 30 may be provided on the first side surface 20a of the turntable 20 .

The outer surface inspection module 30 is opposed to the first side surface 20a of the turntable 20 . The outer surface inspection module 30 may be opposed to the circular battery B seated on the first side surface 20a of the turntable 20 . In this case, the outer circumferential inspection module 30 faces the outer circumferential surface O of the circular battery B.

The outer surface inspection module 30 rotates the circular battery B transported from the turntable 20 . In this case, the outer surface inspection module 30 individually rotates each circular battery B. Each circular battery (B) can be rotated around the Z axis as a rotation axis. This will be described later.

The outer circumferential inspection module 30 individually rotates the circular batteries (B) to inspect the outer circumferential surfaces (O) of the circular batteries (B). The outer circumferential inspection module 30 may inspect the outer circumferential surface O of the circular battery B for surface defects by photographing the outer circumferential surface O of the circular battery B.

At this time, in order to inspect the entire outer circumferential surface O of the circular battery B, not a part of the outer circumferential surface O of the circular battery B, the entire outer circumferential surface O of the circular battery B must be photographed. In addition, the entire outer circumferential surface O of each circular battery B can be photographed by individually rotating the plurality of circular batteries B. In this case, the outer circumference inspection module 30 of the present invention individually rotates the circular batteries (B), and can photograph and inspect the entire outer circumferential surface (O) of each circular battery (B).

The outer surface inspection module 30 photographs the entire outer surface O of each rotating circular battery B, and transmits the photographed data to a controller (not shown). The control unit may compare photographic data of the entire outer circumferential surface O of the circular battery B with normal data to determine surface defects generated on the entire outer circumferential surface O of the circular battery B.

Here, the outer circumferential inspection module 30 according to an embodiment of the present invention includes a battery rotation module 31 that contacts the circular battery (B) and individually rotates the circular battery (B), and the circular battery ( It is opposed to the outer circumferential surface (O) of B), and when the battery rotation module 31 rotates the circular battery (B) individually, the outer circumferential vision module 32 photographs the outer circumferential surface (O) of the circular battery (B). ).

The battery rotation module 31 is provided on the main frame 10 . The battery rotation module 31 rotates the circular batteries B individually. The battery rotation module 31 rotates each circular battery B around the Z-axis as a rotation axis. Accordingly, the entire outer circumferential surface O of each circular battery B is exposed to the outer circumferential vision module 32 described later.

The outer peripheral vision module 32 is provided on the main frame 10 . The outer circumferential vision module 32 faces the first side surface 20a. It is opposed to the outer circumferential surface (O) of the circular battery (B).

The outer circumferential vision module 32 photographs the outer circumferential surface O of each circular battery B when the battery rotation module 31 individually rotates the original batteries. The outer circumferential vision module 32 photographs the entire outer circumferential surface O of each rotating circular battery B, and transmits the photographing data to the controller.

The outer peripheral vision module 32 may be moved along the first side surface 20a. The outer circumferential vision module 32 may continuously photograph the outer circumferential surfaces O of the plurality of circular batteries B. At this time, the outer circumferential vision module 32 can continuously photograph the entire outer circumferential surface O of each circular battery B that is individually rotated.

Here, the outer peripheral vision module 32 according to an embodiment of the present invention includes an outer peripheral frame 321 provided on the main frame 10 and an outer peripheral LM guide provided on the outer peripheral frame 321 and sliding in the horizontal direction. 322, an outer circumferential base 323 coupled to the outer circumferential LM guide 322, an outer circumferential ball screw 324 provided on the outer circumferential frame 321 and sliding the outer circumferential base 323 in the horizontal direction, An outer vision 325 provided on the outer circumferential base 323 to photograph the circular battery (B) and an outer circumferential surface lighting 326 provided on the outer circumferential base 323 and radiating light to the circular battery (B) include

The outer peripheral frame 321 is provided on the main frame 10 .

The outer circumferential LM guide 322 is provided on the outer circumferential frame 321 . The outer circumferential LM guide 322 slides in the horizontal direction. Here, the horizontal direction is defined as the Y-axis direction. The outer circumferential LM guide 322 slides the outer circumferential base 323 to be described later in the horizontal direction.

The outer circumferential base 323 is coupled to the outer circumferential LM guide 322 . In this case, the outer circumferential base 323 may slide on the outer circumferential frame 321 in a horizontal direction.

The outer circumferential ball screw 324 is provided on the outer circumferential frame 321 . The outer circumferential ball screw 324 slides the outer circumferential base 323 in the horizontal direction. The outer circumferential ball screw 324 may be implemented as a servo machine. In this case, the outer circumferential ball screw 324 may receive the driving force of the servo motor and slide the outer circumferential base 323 forward or backward with respect to the horizontal direction.

The outer peripheral vision 325 is provided on the outer peripheral base 323 . Peripheral vision 325 may be implemented with machine vision. The outer peripheral vision 325 photographs the outer peripheral surface O of the circular battery B. The outer circumferential vision 325 may be moved along the first side surface 20a while sliding in a horizontal direction together with the outer circumferential base 323 .

In this case, the outer peripheral vision 325 may continuously photograph the entire outer peripheral surface O of each circular battery B that is individually rotated.

The outer circumference lighting 326 is provided on the outer circumferential base 323 . The outer circumferential lighting 326 irradiates light to the circular battery (B). Accordingly, when the outer peripheral vision 325 photographs the outer peripheral surface O of the circular battery B, the outer peripheral lighting 326 irradiates light to the circular battery B, so that the outer peripheral vision 325 captures clear captured data. You can get it.

Meanwhile, the upper and lower surface inspection module 40 is provided on the main frame 10 . The top and bottom inspection module 40 is provided on the side of the turntable 20 . The upper and lower surface inspection module 40 may be provided on the second side surface 20b of the turntable 20 .

The upper and lower surface inspection module 40 is opposed to the second side surface 20b of the turntable 20 . The upper and lower surface inspection module 40 may be opposed to the circular battery B seated on the second side surface 20b of the turntable 20 . In this case, the upper and lower surface inspection module 40 is opposed to the upper surface U and the lower surface L of the circular battery B.

The upper and lower surface inspection module 40 inspects the upper surface (U) and lower surface (L) of the circular battery (B). The upper and lower surface inspection module 40 may inspect surface defects of the upper surface U and the lower surface L by photographing the upper surface U and the lower surface L of the circular battery B.

Here, the upper and lower surface inspection module 40 according to an embodiment of the present invention is moved along the second side surface 20b. At this time, the upper and lower surface inspection module 40 continuously inspects the upper surface (U) and lower surface (L) of the plurality of circular batteries (B).

As described above, a plurality of circular batteries B are arranged side by side along the second side surface 20b. Since the upper and lower inspection modules 40 are moved along the second side surface 20b, It is continuously moved with respect to the upper surface (U) and the lower surface (L) of the plurality of circular batteries (B) in which they are seated.

In this case, the upper and lower surface inspection module 40 continuously photographs the upper and lower surfaces U and L of the plurality of circular batteries B while moving along the second side surface 20b. Accordingly, the upper and lower surface inspection module 40 can continuously inspect the upper surfaces U and lower surfaces L of the plurality of circular batteries B.

The marking module 50 is provided on the main frame 10 . The marking module 50 is provided on the side of the turntable 20 . The marking module 50 may be provided on the third side surface 20c of the turntable 20 .

The marking module 50 is opposed to the third side surface 20c of the turntable 20. The marking module 50 may be opposed to the circular battery B seated on the third side surface 20c of the turntable 20 . In this case, the marking module 50 faces the outer circumferential surface O of the circular battery B.

The marking module 50 marks a schedule mark on the outer circumferential surface O of the circular battery B. The marking module 50 may mark the circular battery B inspected by the outer circumference inspection module 30 and/or the top and bottom inspection module 40 according to a control signal from the control unit.

In this case, the schedule display may indicate a defect when a surface defect of the circular battery B occurs. In addition, the schedule mark may indicate a good product without a problem on the surface of the circular battery B.

The marking module 50 according to an embodiment of the present invention is moved along the third side surface 20c. At this time, the marking module 50 may continuously mark a schedule display on each circular battery (B).

As described above, a plurality of circular batteries B are arranged side by side along the third side surface 20c, and the marking module 50 is moved along the third side surface 20c so that it is seated on the third side surface 20c. moves continuously for the plurality of circular batteries (B).

In this case, the marking module 50 may continuously mark a schedule mark on the outer circumferential surface O of each circular battery B while moving along the third side surface 20c.

As described above, according to the circular battery inspection device of the present invention, the turntable 20 transfers the circular battery B to the first side 20a, the second side 20b, and the third side 20c, and The outer circumferential inspection module 30 provided on the first side surface 20a individually rotates each circular battery B to inspect the entire outer circumferential surface O, and the upper and lower surface inspection module 40 provided on the second side surface 20b By continuously inspecting the upper surface U and the lower surface L of the circular battery B, the entire surface of the circular battery B can be accurately, effectively and reliably inspected.

First, in the circular battery loading step (S10), the circular battery B is loaded onto the turntable 20. In this case, a plurality of circular batteries B may be loaded on the side of the turntable 20 . A circular battery (B) is seated on the side of the turntable (20). A plurality of circular batteries (B) are arranged side by side along the side. At this time, 16 circular batteries B may be seated on each side.

In the first turn table rotation step (S20), the turn table 20 is rotated 90 degrees with respect to the main frame 10 based on the Z axis. The turntable 20 is rotated to transfer the circular battery B loaded and seated in the input unit E to the first side surface 20a. In this case, the circular battery B transferred to the first side surface 20a is opposed to the outer circumferential surface inspection module 30 .

In the outer surface inspection step (S30), the outer surface inspection module 30 individually rotates each circular battery B transported from the turntable 20 to inspect the entire outer surface O of the circular battery B. The outer circumferential inspection module 30 photographs the outer circumferential surface O of the circular battery B and inspects the surface defects of the outer circumferential surface O.

In the second turntable rotation step (S40), the turntable 20 is rotated 90 degrees with respect to the main frame 10 with respect to the Z axis. The turntable 20 is rotated to transfer the circular battery B from the first side surface 20a to the second side surface 20b. In this case, the circular battery B transferred to the second side surface 20b is opposed to the upper and lower surface inspection module 40 .

In the upper and lower surface inspection step (S50), the upper and lower surface inspection module 40 inspects the upper surface U and the lower surface L of the circular battery B transported from the turntable 20. The upper and lower surface inspection module 40 is moved along the second side surface 20b and continuously inspects the upper surface U and the lower surface L of the plurality of circular batteries B.

In the third turntable rotation step (S60), the turntable 20 is rotated 90 degrees with respect to the main frame 10 based on the Z axis. The turntable 20 is rotated to transfer the circular battery B from the second side surface 20b to the third side surface 20c. In this case, the circular battery B transferred to the third side surface 20c faces the marking module 50.

In the marking step (S70), the marking module 50 marks a schedule mark on the outer circumference O of the circular battery B. The marking module 50 is moved along the third side surface 20c to continuously mark each circular battery B with a schedule mark.

In the fourth turn table rotation step (S80), the turn table 20 is rotated 90 degrees with respect to the main frame 10 with respect to the Z axis. The turntable 20 is rotated to transfer the circular battery B from the third side surface 20c to the fourth side surface 20d. In this case, the circular battery B transferred to the fourth side surface 20d may be opposed to the loading module of the input unit E.

In the circular battery unloading step (S90), the circular battery B is unloaded from the turntable 20. In this case, defective products marked with surface defects in the marking module 50 may be unloaded to the defective line, and good products may be unloaded to the shipping line.

Hereinafter, the turntable 20 according to an embodiment of the present invention will be described.

Figure 8 is a side view of the turntable 20 according to an embodiment of the present invention, Figure 9 is a perspective view of the battery seating module 22 according to an embodiment of the present invention, Figure 10 is in one embodiment of the present invention It is an operation diagram of the battery seating module 22 according to.

8 to 10, the turntable 20 according to an embodiment of the present invention is provided in the battery seating module 22 and the main frame 10 on which the circular battery B is installed or removed, and A turntable rotation module 21 for rotating the battery seating module 22 is included.

A circular battery B is seated in the battery seating module 22 . The circular battery B may be seated on the battery seating module 22 by the loading module. As described above, when the turntable 20 is implemented in a rectangular shape, the battery seating module 22 may form the first side surface 20a to the fourth side surface 20d of the turntable 20 .

A plurality of circular batteries B may be seated in the battery seating module 22 . Circular batteries B may be disposed side by side in the battery seating module 22 . 16 circular batteries B may be seated in the battery seating module 22, but the embodiment is not limited thereto.

The circular battery B may be removed from the battery seating module 22 . In this case, the loading module can remove the circular battery B from the battery seating module 22 .

Here, the battery seating module 22 according to an embodiment of the present invention is disposed parallel to the fixing plate 223 fixed to the turntable rotation module 21 and the fixing plate 223, and the fixing plate A movable plate 222 that moves forward and backward with respect to 223, a mounting bracket 225 provided on the fixed plate 223 and on which the circular battery (B) is seated, provided on the movable plate 222, A movable piston 224 that penetrates the fixed plate 223 and moves forward and backward with respect to the seat bracket 225, is provided at an end of the movable piston 224, and attaches the circular battery (B) to the seat bracket 225. ) to seat the circular battery B on the mounting bracket 225, and coupled to the moving plate 222 to move the moving plate 222 to move the moving piston 224 ) includes a drive cylinder 221 that moves forward and backward.

The fixing plate 223 is fixed to the turntable rotation module 21 . The fixed plate 223 is fixed to a rotation plate 211 to be described later.

The movable plate 222 is disposed parallel to the fixed plate 223 . The movable plate 222 can be moved relative to the fixed plate 223 . The movable plate 222 may move forward and backward relative to the fixed plate 223 . Here, forward and backward refers to moving forward or backward based on the X-axis direction shown in FIG. 9 .

The mounting bracket 225 is provided on the fixing plate 223 . The mounting bracket 225 may be fixedly coupled to one surface of the fixing plate 223 . The circular battery B is seated on the mounting bracket 225 . In this case, the circular battery seating portion 225a, in which the circular battery B is seated, may be recessed into the mounting bracket 225.

The moving piston 224 is provided on the moving plate 222 . A plurality of moving pistons 224 may be provided on the moving plate 222 . The moving piston 224 passes through the fixed plate 223 . The moving piston 224 has one end coupled to the moving plate 222 and the other end penetrating the fixing plate 223 and exposed to the outside of the mounting bracket 225 .

The moving piston 224 moves forward and backward together with the moving plate 222 . In this case, the moving piston 224 moves forward and backward relative to the mounting bracket 225 .

A support bar 226 is provided at an end of the moving piston 224 . When a plurality of movable pistons 224 are provided, a support bar 226 may be provided at an end of each movable piston 224 .

The support bar 226 presses the circular battery B to the mounting bracket 225 when the moving piston 224 moves backward. In this case, the support bar 226 may seat the circular battery B on the mounting bracket 225 .

The driving cylinder 221 is coupled to the moving plate 222 . The driving cylinder 221 moves the moving plate 222 . In this case, the driving cylinder 221 may move the moving plate 222 forward and backward.

Accordingly, as shown in (a) of FIG. 10 , when the driving cylinder 221 is operated to move the moving plate 222 forward, the moving plate 222 moves forward to move the moving piston 224 forward, and the moving piston 224 moves forward. ) moves forward and the support bar 226 moves forward, the circular battery B can be detached from the mounting bracket 225 .

Conversely, as shown in (b) of FIG. 10, when the driving cylinder 221 is operated to move the moving plate 222 backward, the moving plate 222 moves backward to move the moving piston 224 backward, and the moving piston 224 When the support bar 226 moves backward, the support bar 226 pressurizes the circular battery B so that it can be seated on the mounting bracket 225.

Meanwhile, the turntable rotation module 21 is provided on the main frame 10 . The turntable rotation module 21 rotates the battery seating module 22 . Accordingly, the circular battery B seated on the battery seating module 22 moves from the first side 20a to the second side 20b, from the second side 20b to the third side 20c, and from the third side 20b to the third side 20c. It can be transferred from the side surface 20c to the fourth side surface 20d.

Here, the turntable rotation module 21 according to an embodiment of the present invention includes a rotation plate 211 provided with the battery seating module 22, a turntable driving unit 213 provided in the main frame 10, and the A turntable rotation gear 212 is provided between the rotation plate 211 and the turntable driving unit 213 to transmit driving force of the turntable driving unit 213 to the rotation plate 211 .

The rotating plate 211 may have a circular, rectangular, or polygonal plane. The rotation plate 211 according to an embodiment of the present invention is implemented in a rectangular plane, but the embodiment is not limited thereto.

When the rotating plate 211 is implemented in a quadrangular shape, each of four side surfaces may be formed on the rotating plate 211 . At this time, each side is defined as a first side (20a), a second side (20b), a third side (20c) and a fourth side (20d).

A battery seating module 22 is provided on the rotating plate 211 . The battery seating module 22 may be coupled to the rotating plate 211 . When the rotating plate 211 is implemented in a rectangular shape, the battery seating module 22 may be provided on the first side 20a, the second side 20b, the third side 20c and the fourth side 20d. there is.

The turntable driving unit 213 is provided on the main frame 10 . The turntable driver 213 generates a driving force for rotating the rotation plate 211 .

The turntable rotation gear 212 is provided between the rotation plate 211 and the turntable driving unit 213 to connect the rotation plate 211 and the turntable driving unit 213 . The turntable rotating gear 212 transmits the driving force of the turntable driving unit 213 to the rotating plate 211 . Accordingly, the rotating plate 211 is rotated by receiving the driving force of the turntable driving unit 213 .

Hereinafter, the battery rotation module 31 according to an embodiment of the present invention will be described.

Figure 11 is a perspective view of a battery rotation module 31 according to an embodiment of the present invention, Figure 12 is a side view of the battery rotation module 31 according to an embodiment of the present invention, Figure 13 is an embodiment of the present invention It is an operation diagram of the battery rotation module 31 according to the example.

11 to 13, the battery rotation module 31 according to an embodiment of the present invention is in contact with the upper surface U of each circular battery B to contact the upper surface of each circular battery B. It includes an upper module 311 supporting (U), and a lower module 312 that individually rotates each of the circular batteries (B) by contacting the lower surface (L) of each circular battery (B).

The top surface module 311 is in contact with the top surface U of the circular battery B. For the plurality of circular batteries (B), the upper surface module 311 comes into contact with the upper surface (U) of each circular battery (B) and supports the upper surface (U) of each circular battery (B). The top surface module 311 may individually support the top surface U of each circular battery B.

Here, the upper surface module 311 according to an embodiment of the present invention is provided in the main frame 10 and includes an upper surface lifting unit 3111 that moves up and down on the main frame 10, and the upper surface lifting unit 3111, the upper surface horizontal frame 3112, which is raised and lowered together with the upper surface lifting unit 3111, and a plurality of upper surface horizontal frames 3112, provided on the upper surface of each circular battery (B) ( U) includes a top surface rod 3113 in contact.

The upper elevation unit 3111 is provided on the main frame 10 . The upper surface lifting and lowering unit 3111 is lifted and lowered to the main frame 10 . The upper surface lifting and lowering unit 3111 raises and lowers an upper horizontal frame 3112 to be described later.

The upper horizontal frame 3112 is provided on the upper elevating and lowering unit 3111. The top horizontal frame 3112 is provided horizontally. The upper surface horizontal frame 3112 is provided to face the plurality of circular batteries (B). The top horizontal frame 3112 may be provided to face the battery seating module 22 .

The top rod 3113 is provided on the top horizontal frame 3112. A plurality of top surface rods 3113 are provided on the top horizontal frame 3112 and contact the top surfaces U of the plurality of circular batteries B. Accordingly, when the circular battery (B) rotates individually, the upper surface rod 3113 supports the upper surface (U) of the circular battery (B), so that the circular battery (B) rotates stably.

Meanwhile, the lower surface module 312 is in contact with the lower surface (L) of the circular battery (B). For the plurality of circular batteries (B), the lower surface module 312 contacts the lower surface (L) of each circular battery (B) and supports the lower surface (L) of each circular battery (B). The lower module 312 may individually support the lower surface L of each circular battery B.

The bottom module 312 rotates each circular battery B individually. The bottom module 312 rotates each circular battery B around the Z-axis as a rotation axis. Accordingly, the entire outer circumferential surface O of each circular battery B is exposed to the outer circumferential vision module 32 .

Here, the lower module 312 according to an embodiment of the present invention, the lower surface fixed frame 3121 provided in the main frame 10, the lower surface elevating frame 3122 that is elevated and lowered to the lower fixed frame 3121 ), the bottom ball screw 3123 provided on the lower fixing frame 3121 to lift and lower the lower lifting frame 3122, and the lower lifting frame 3122 provided on the lower lifting frame ( 3122), and is provided on the bottom horizontal frame 3125 on which the circular battery B is seated, and the bottom lifting frame 3122, and penetrates the bottom horizontal frame 3125 to the bottom horizontal frame. A bottom rod 3126 for rotating the circular battery (B) seated on 3125, a battery rotation unit 3127 provided on the bottom elevating frame 3122 and rotating the bottom rod 3126, and the battery The lower surface rotating the rotation unit 3127 includes a servo motor 3124.

When the fixed frame 3121 is fixed to the main frame (10).

When the elevating and descending frame 3122 is raised and lowered to the lower fixed frame 3121. When the elevating frame 3122 may be elevating in the Z-axis direction. The bottom elevating frame 3122 can be coupled to the bottom fixing frame 3121 to be able to move up and down with the second LM 3129.

The bottom ball screw 3123 is provided on the bottom fixing frame 3121. The lower ball screw 3123 raises and lowers the lower elevating frame 3122 in the Z-axis direction.

When the horizontal frame 3125 is provided on the lower elevating frame 3122. When the horizontal frame 3125 is raised and lowered together with the elevating and lowering frame 3122.

The lower horizontal frame 3125 is provided to face the upper horizontal frame 3112. The lower horizontal frame 3125 is provided parallel to the upper horizontal frame 3112.

A circular battery B is seated on the bottom horizontal frame 3125 . At this time, the bottom (L) of the circular battery (B) is seated on the bottom horizontal frame (3125).

When the rod 3126 is provided on the lower elevating frame 3122. The bottom rod 3126 passes through the bottom horizontal frame 3125. In this case, the bottom end of the rod 3126 is exposed to the bottom horizontal frame 3125.

The lower surface rod 3126 is in contact with the lower surface L of the circular battery B seated on the lower horizontal frame 3125. Bottom rods 3126 contact each circular battery B individually. The lower surface rod 3126 receives driving force from the lower surface servomotor 3124 and rotates the circular battery B. Accordingly, the plurality of circular batteries B can be individually rotated.

The battery rotation unit 3127 is provided on the lower elevating frame 3122. The battery rotation unit 3127 is provided below the lower horizontal frame 3125. The battery rotation unit 3127 rotates the lower rod 3126 by receiving driving force from the lower servo motor 3124 .

The bottom servomotor 3124 provides a driving force. The bottom servomotor 3124 is connected to the battery rotation unit 3127. The lower servo motor 3124 rotates the battery rotation unit 3127.

The bottom first LM 3128 may be provided between the main frame 10 and the bottom horizontal frame 3125 . When the bottom horizontal frame 3125 moves up and down, the bottom first LM 3128 guides the bottom horizontal frame 3125 to stably go up and down in the Z-axis direction.

The bottom second LM 3129 may be provided between the bottom fixing frame 3121 and the bottom lifting frame 3122 . When the lower elevating frame 3122 is raised and lowered, the lower lower second LM 3129 guides the lower elevating frame 3122 to be stably raised and lowered in the Z-axis direction.

Hereinafter, with reference to FIG. 13, the operation of the top module 311 and the bottom module 312 according to an embodiment of the present invention will be described.

First, the turntable 20 is rotated so that the circular battery B seated on the battery seating module 22 is opposed to the upper module 311 and the lower module 312 .

Thereafter, the module 312 moves up and down as shown in (a) of FIG. 13 . At this time, as described above, when the ball screw 3123 moves in the Z-axis direction, the elevating frame 3122 is moved up and down.

When the lower elevating frame 3122 is elevated, the lower horizontal frame 3125 is elevated together with the lower elevating frame 3122 . At this time, the bottom (L) of the circular battery (B) is seated on the bottom horizontal frame (3125). In addition, the bottom rods 3126 penetrating the bottom horizontal frame 3125 individually contact the bottom L of each circular battery B.

Then, as shown in (b) of FIG. 13, the upper module 311 descends. At this time, as described above, the upper elevation unit 3111 lowers the upper horizontal frame 3112 in the Z-axis direction.

When the upper horizontal frame 3112 is lowered, the upper surface rods 3113 come into contact with the upper surfaces U of each circular battery B individually. Accordingly, when the circular batteries (B) rotate individually, each top surface rod 3113 supports the upper surface (U) of each circular battery (B), so that each circular battery (B) rotates stably.

After that, the servomotor 3124 operates to provide a driving force. The driving force is transmitted to the battery rotation unit 3127, and the battery rotation unit 3127 rotates the lower surface of the rod 3126. Each bottom rod 3126 receives driving force from the battery rotation unit 3127 and rotates each circular battery (B). Accordingly, the plurality of circular batteries B can be individually rotated.

Hereinafter, the upper and lower surface inspection module 40 according to an embodiment of the present invention will be described.

Referring to FIG. 14 , the upper and lower surface inspection module 40 according to an embodiment of the present invention includes upper and lower frames 41 provided in the main frame 10 and provided on the upper and lower frames 41 in the horizontal direction. Sliding upper and lower LM guides 42, upper and lower bases 43 coupled to the upper and lower LM guides 42, and upper and lower balls provided on the upper and lower frames 41 and sliding the upper and lower bases 43 in the horizontal direction. It includes a screw 44 and an upper and lower vision 45 provided on the upper and lower base 43 to photograph the upper and lower surfaces U and L of the circular battery B.

The upper and lower frames 41 are provided on the main frame 10 .

The upper and lower LM guides 42 are provided on the upper and lower frames 41 . The upper and lower LM guides 42 slide in the horizontal direction. In FIG. 14, the horizontal direction is defined as the X-axis direction. The upper and lower LM guides 42 slide the upper and lower bases 43 to be described later in the horizontal direction.

The upper and lower bases 43 are coupled to the upper and lower LM guides 42 . In this case, the upper and lower bases 43 may slide on the outer circumferential frame 321 in a horizontal direction.

The upper and lower ball screws 44 are provided on the upper and lower frames 41 . The upper and lower ball screws 44 slide the upper and lower bases 43 in the horizontal direction. The upper and lower ball screws 44 may be implemented as a servo machine. In this case, the upper and lower ball screws 44 may receive the driving force of the servo motor and slide the upper and lower bases 43 forward or backward with respect to the horizontal direction.

The upper and lower vision 45 is provided on the upper and lower base 43 . The upper and lower vision 45 may be implemented as machine vision. The top and bottom vision 45 captures the top (U) and bottom (L) of the circular battery (B).

In the case of the embodiment of the present invention, the upper and lower vision 45 includes an upper vision 451 opposite to the upper surface U of the circular battery B and a lower vision 452 opposite to the lower surface L of the circular battery B can be carried out with

The top vision 451 captures the top surface U of the circular battery B. The top vision 451 may move along the second side surface 20b while sliding in the horizontal direction along with the upper and lower base 43 . In this case, the top vision 451 continuously photographs the top surfaces U of the plurality of circular batteries B while moving along the second side surface 20b.

The lower vision 452 is provided on the outer circumferential base 323 . The lower surface vision 452 photographs the lower surface (L) of the circular battery (B). Since the bottom vision 452 is the same as the top vision 451 except for capturing the bottom L of the circular battery B, a detailed description thereof will be omitted.

Accordingly, the upper and lower surface inspection module 40 can continuously inspect the upper surfaces U and lower surfaces L of the plurality of circular batteries B.

Hereinafter, the marking module 50 according to an embodiment of the present invention will be described.

Referring to FIG. 15, the marking module 50 according to an embodiment of the present invention includes a marking frame 51 provided on the main frame 10, and provided on the marking frame 51 to slide in the horizontal direction. A marking LM guide 52, a marking base 53 coupled to the marking LM guide 52, a marking ball screw provided on the marking frame 51 and sliding the marking base 53 in the horizontal direction ( 54), and a marker 55 provided on the marking base 53 to continuously mark a schedule mark on the outer circumferential surface O of the circular battery B.

The marking frame 51 is provided on the main frame 10 .

The marking LM guide 52 is provided on the marking frame 51 . The marking LM guide 52 slides in the horizontal direction. Here, the horizontal direction is defined as the Y-axis direction. The marking LM guide 52 slides the marking base 53 to be described later in the horizontal direction.

The marking base 53 is coupled to the marking LM guide 52 . In this case, the marking base 53 may slide on the marking frame 51 in a horizontal direction.

The marking ball screw 54 is provided on the marking frame 51 . The marking ball screw 54 slides the marking base 53 in the horizontal direction. The marking ballscrew 54 may be implemented as a servo machine. In this case, the marking ball screw 54 may receive the driving force of the servo motor and slide the marking base 53 forward or backward relative to the horizontal direction.

A marker 55 is provided on the marking base 53 . The marker 55 may be embodied as a laser marker 55 . One or more markers 55 may be implemented. The marker 55 of the present invention includes a first marker 551 and a second marker 552 spaced apart from the first marker 551 in a horizontal direction, but the embodiment is not limited thereto.

The marker 55 marks a schedule on the outer circumferential surface O of the circular battery B. The marker 55 may mark a schedule on the circular battery B inspected by the outer surface inspection module 30 and/or the top and bottom inspection module 40 according to a control signal from the control unit.

The marker 55 may be moved along the third side surface 20c while sliding in the horizontal direction together with the marking base 53 . In this case, while moving along the third side surface 20c, the marker 55 can continuously mark a schedule mark on the outer circumferential surface O of each circular battery B of the plurality of circular batteries B.

As described above, those skilled in the art to which the present invention belongs will be able to understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential characteristics thereof. Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting.

The scope of the present invention is indicated by the claims to be described later rather than the detailed description above, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts thereof are included in the scope of the present invention. should be interpreted

The present invention relates to a circular battery inspection device, and can be used in a test device for inspecting various types of batteries such as primary and secondary batteries.

Claims

The main frame forming the exterior;

a turntable on which a plurality of circular batteries are seated on each side and rotatably provided on the main frame to transfer the circular batteries;

an outer circumference inspection module provided on a first side of the turntable and inspecting an outer circumferential surface of the circular battery by individually rotating the circular batteries transported from the turntable;

an upper and lower surface inspection module provided on a second side of the turntable and continuously inspecting the upper and lower surfaces of the circular battery transported from the turntable; and

a marking module provided on a third side of the turntable and provided to face the outer circumferential surface of the circular battery to continuously mark a schedule display on each of the circular batteries;

Circular battery inspection device including a.
According to claim 1,

The turntable transfers the circular battery from the first side to the second side, from the second side to the third side, and from the third side to the fourth side.
According to claim 1,

The turntable is a circular battery inspection device that is rotated by 90 degrees.
According to claim 1,

The turntable,

a battery seating module in which the circular battery is seated; and

a turntable rotation module provided on the main frame and rotating the battery seating module;

Circular battery inspection device including a.
According to claim 4,

The battery seating module,

a fixing plate fixed to the turntable rotation module;

a movable plate disposed parallel to the fixed plate and moved forward and backward with respect to the fixed plate;

a seating bracket provided on the fixing plate and on which the circular battery is seated;

a moving piston provided on the moving plate, penetrating the fixed plate, and moving forward and backward with respect to the mounting bracket;

a support bar provided at an end of the movable piston and pressurizing the circular battery to the seating bracket to seat the circular battery on the seating bracket; and

a driving cylinder coupled to the moving plate and moving the moving plate to forward and backward the moving piston;

Circular battery inspection device comprising a.
According to claim 1,

The outer surface inspection module,

a battery rotation module contacting the circular batteries to individually rotate the circular batteries; and

an outer circumferential vision module facing the outer circumferential surface of the circular battery and photographing the outer circumferential surface of the circular battery when the battery rotation module individually rotates the circular battery;

Circular battery inspection device including a.
According to claim 6,

The battery rotation module,

a top module supporting the top surface of each of the circular batteries by being in contact with the top surface of each of the circular batteries; and

a lower surface module that comes into contact with a lower surface of each of the circular batteries to individually rotate each of the circular batteries;

Circular battery inspection device including a.
According to claim 7,

The upper surface module,

an upper elevation unit provided on the main frame and moving up and down on the main frame;

an upper surface horizontal frame provided in the upper surface lifting and lowering unit and lifting and lowering together with the upper surface lifting and lowering unit; and

a plurality of upper surface rods provided on the upper surface horizontal frame and contacting the upper surface of each of the circular batteries;

Circular battery inspection device comprising a.
According to claim 7,

Recall that the module,

If the main frame is provided with a fixing frame;

When the elevating frame is raised and lowered when the fixed frame;

When the ball screw is provided in the fixing frame, when the elevating and lowering frame elevating and lowering;

a lower surface horizontal frame provided on the elevating and descending frame, elevating and descending together with the elevating and descending frame, and seating the lower surface of the circular battery;

a bottom rod provided on the elevating and descending frame and passing through the bottom horizontal frame to rotate the circular battery seated on the bottom horizontal frame;

When the battery rotation unit is provided on the elevating frame and rotates the load when the; and

When the battery rotation unit rotates the servo motor;

Circular battery inspection device comprising a.
According to claim 1,

The upper and lower inspection modules,

Upper and lower frames provided on the main frame;

upper and lower LM guides provided on the upper and lower frames and sliding in the horizontal direction;

upper and lower bases coupled to the upper and lower LM guides;

upper and lower surface ball screws provided on the upper and lower frames and sliding the upper and lower bases in the horizontal direction; and

top and bottom vision provided on the top and bottom bases to photograph the top and bottom surfaces of the circular battery;

Circular battery inspection device including a.