Cutting device for secondary battery production equipment

Abstract

The present invention may provide a cutting device for a secondary battery production apparatus, the cutting device comprising: a base; the driving part is arranged in the base; the upper cutter part is coupled to the base and is connected to the driving part; the upper cutter part comprises an upper main body which can be coupled to the base in a vertical moving manner, a cutter frame which is fastened to the upper main body, and an upper cutter which is coupled to the cutter frame and is detachably coupled to the upper main body; the lower cutter part comprises a lower main body which is detachably coupled to the base and comprises a containing part and a lower cutter which is coupled to the lower main body and is contained in the containing part, the upper main body comprises a first guide surface formed in the left-right direction, the base comprises a second guide surface formed in the left-right direction, and in response to the upper cutter being detached from the upper main body, the lower cutter part is arranged in the containing part. The tool rest and the upper cutter slide along the first guide face to be separated from the upper body, and the lower cutter slides along the second guide face to be separated from the base in response to disassembly of the lower body and the base.

Description

Technical Field

[0001] The invention relates to a cutting device for secondary battery production equipment. Background Art

[0002] Generally speaking, a chemical battery refers to a battery composed of a positive electrode, a negative electrode and an electrolyte, which generates electrical energy through chemical reactions. It is divided into primary batteries that can be used once and secondary batteries that can be charged and discharged and can be reused.

[0003] Secondary batteries are becoming increasingly popular due to their rechargeable and dischargeable advantages. Among these secondary batteries, secondary lithium batteries have a high energy density per unit weight and are therefore widely used as power sources for electronic communication devices and high-power hybrid vehicles.

[0004] The electrodes used in such secondary batteries serve as the positive and negative electrodes of the battery and are used to electrically connect the battery to the outside of the battery.

[0005] During the production process, the electrode is cut into a predetermined size by a cutting device. The cutting device includes a cutter for cutting the electrode. The cutter may include an upper cutter and a lower cutter. The upper cutter descends to engage the lower cutter, thereby cutting off the electrode.

[0006] The upper cutter is fixed to the upper body, and the lower cutter is fixed to the lower body. As the upper and lower cutters are used for a period of time, the blades of the cutters become blunt and need to be replaced. However, the entire cutting device must be disassembled to replace the upper and lower cutters, which will lead to a sudden increase in downtime and excessive working time. Summary of the invention

[0007]

Technical issues

[0008] In view of the above, the present invention aims to solve the above technical problems and provides a cutting device for secondary battery production equipment, which can easily and quickly replace the upper and lower cutting knives.

[0009] The purpose of the present invention is not limited to the above-mentioned technical purpose, and those skilled in the art can easily understand any other technical purpose not mentioned herein according to the following contents.

[0010]

Technical solution

[0011] An embodiment of the present invention can provide a cutting device for secondary battery production equipment, the cutting device comprising: a base; a driving part arranged in the base; an upper cutter part coupled to the base and connected to the driving part; and a lower cutter part coupled to the base, wherein the upper cutter part comprises an upper body vertically movably coupled to the base, a knife holder fastened to the upper body, and an upper cutter coupled to the knife holder and detachably coupled to the upper body, the lower cutter part comprises a lower body detachably coupled to the base and comprising a receiving part, and a lower cutter coupled to the lower body and accommodated in the receiving part, the upper body comprises a first guide surface formed along the left-right direction, the base comprises a second guide surface formed along the left-right direction, in response to the upper cutter being disassembled from the upper body, the knife holder and the upper cutter slide along the first guide surface and detach from the upper body, and in response to the lower body being disassembled from the base, the lower cutter part slides along the second guide surface and detaches from the base.

[0012] The knife holder may include a first portion coupled to the upper cutter, a second portion vertically disposed on the first portion and facing the first guide surface, and a third portion vertically formed on the second portion.

[0013] The lower cutter may include a central portion and side portions respectively disposed at opposite ends of the central portion, and the side portions may protrude above the central portion and include a reference surface facing the upper cutter.

[0014] The lower cutter portion may include a block disposed in the accommodation portion, the lower cutter may be positioned between an inner wall of the accommodation portion and the block, and the block may contact the lower cutter.

[0015] The lower cutter portion may include a holding portion disposed at one end of the lower body.

[0016] In the up-down direction, the detachable fastening area of ​​the lower body and the base may be positioned below the lower cutter.

[0017] The cutting device may further include a clamping portion connected to the upper body and arranged in front of the upper cutter, and in the front-to-back direction, the detachable fastening area of ​​the upper body and the upper cutter may be arranged to not overlap with the clamping portion in the front-to-back direction.

[0018]

Technical Effect

[0019] The advantage of the embodiment of the present invention is that the upper cutter can be pulled out in the left and right directions without disassembling the cutting device, so that a new upper cutter can be quickly and easily replaced.

[0020] The embodiment of the present invention also has the advantage that the lower cutter can be pulled out in the left-right direction without disassembling the cutting device, so that a new lower cutter can be quickly and easily replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1A front perspective view of a cutting device for a secondary battery production device according to an embodiment of the present invention;

[0022] Figure 2 A rear perspective view of a cutting device for a secondary battery production device according to an embodiment of the present invention;

[0023] Figure 3 is a view of the upper cutting knife portion;

[0024] Figure 4 for Figure 3 An enlarged view of section A is shown;

[0025] Figure 5 for Figure 3 An enlarged view of portion B is shown;

[0026] Figure 6 A front view of a cutting device for a secondary battery production device according to an embodiment of the present invention;

[0027] Figure 7 is a perspective view of the tool holder;

[0028] Figure 8 A schematic diagram of a process of releasing the first fastening member to separate the upper cutter from the upper body;

[0029] Fig. 9 A schematic diagram of the process of the upper cutter being separated from the upper body;

[0030] Fig.10 is a view of the lower cutting knife portion;

[0031] Fig.11 is an enlarged view of the lower cutting knife portion;

[0032] Fig.12 is the view of the lower cutter;

[0033] Fig.13 is a side view of the lower cutting knife portion;

[0034] Fig.14 It is a view of the upper cutter and the lower cutter;

[0035] Fig.15 is a rear view of the lower cutting knife portion;

[0036] Fig.16 is the view of the base;

[0037] Fig.17 A schematic diagram of a process of releasing the second fastening member to separate the lower cutter from the base;

[0038] Fig.18 It is a schematic diagram of the process of the lower cutter separating from the lower body.

[0039] Reference numerals

[0040] 100: base;

[0041] 200: driving unit;

[0042] 300: upper cutter portion; 310: upper body; 320: knife holder; 330: upper cutter;

[0043] 321: Part 1; 322: Part 2; 333: Part 3;

[0044] 400: lower cutter portion; 410: lower main body; 420: block; 430: lower cutter;

[0045] G1: first guide surface; G2: second guide surface. DETAILED DESCRIPTION

[0046] The preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0047] The technical concept of the present invention is not limited to some of the following embodiments, but can be implemented in various other forms. Within the scope of the technical spirit of the present invention, one or more components can be selectively combined and replaced.

[0048] In addition, the terms (including scientific and technological terms) used in the embodiments of the present invention can be interpreted according to the meanings generally understood by ordinary technicians in the field to which the present invention belongs. The meanings of common terms such as dictionary-defined terms should be interpreted in conjunction with the relevant technical context, unless otherwise specifically defined and clearly explained.

[0049] In addition, the terms used in the embodiments of the present invention are only used to explain the embodiments and are not intended to limit the present invention.

[0050] In this specification, the singular form may also include the plural form. When mentioning at least one (one or more) of A, B, and C, it may include one or more of all possible combinations of A, B, and C, unless otherwise clearly stated in the phrase.

[0051] When describing components of the embodiments of the present invention, terms such as first, second, etc. may be used such as A, B, (a), (b).

[0052] Such terms are used only to distinguish the component from other components, and the terms are not determined according to the nature, sequence or procedure of the corresponding constituent elements.

[0053] Furthermore, when describing a component as being “connected,” “coupled,” or “connected” to another component, the description includes not only being directly connected, coupled, or connected to another component, but may also include being “connected,” “coupled,” or “connected” through other components between the component and the other component.

[0054] In addition, when describing that each component is formed or disposed “above (upper)” or “below (lower)”, the description includes not only a case where two components are directly in contact with each other, but also a case where one or more other components are formed or disposed between the two components. In addition, when expressed as “above (upper)” or “below (lower)”, it can refer to a downward direction as well as an upward direction relative to a certain element.

[0055] Figure 1 A front perspective view of a cutting device for a secondary battery production device according to an embodiment of the present invention; Figure 2 FIG. 1 is a rear perspective view of a cutting device for a secondary battery production apparatus according to an embodiment of the present invention.

[0056] In the following drawings, the x-axis represents the front-rear direction of the cutting device for secondary battery production equipment, the y-axis represents the left-right direction of the cutting device, and the z-axis represents the up-down direction of the cutting device.

[0057] The direction indicated by the x-axis corresponds to the electrode inflow direction.

[0058] Reference Figure 1 , the cutting device for secondary battery production equipment according to an embodiment of the present invention may include a base 100 , a driving part 200 , an upper cutter part 300 , a lower cutter part 400 and a clamping part 500 .

[0059] The base 100 constitutes a main body of a cutting device for a secondary battery production apparatus.

[0060] The driving part 200 is fixed to the base 100 and provides a driving force to move the upper cutter part 300 and the clamping part 500 up and down. The driving part 200 may include a motor and is configured to transmit the rotational power of the motor to the upper cutter part 300 and the clamping part 500. The rotation axis direction of the motor in the driving part 200 may be a front-to-back direction.

[0061] The upper cutter part 300 may be vertically movably coupled to the base 100. In addition, the upper cutter part 300 is connected to the driving part 200. The upper cutter part 300 may be positioned in front of the driving part 200. When the driving part 200 operates, the upper cutter part 300 moves in the up and down directions.

[0062] Unlike the upper cutter part 300 , the lower cutter part 400 does not move in the up-down direction but may be fixed to the base 100 . The lower cutter part 400 is positioned below the upper cutter part 300 .

[0063] like Figure 2 As shown by reference numeral S in the figure, the electrode may be inserted into the vicinity of the lower cutting portion 400 from the rear of the base 100 along the front-to-back direction.

[0064] Figure 3 is a view of the upper cutting knife portion 300, Figure 4 for Figure 3 The enlarged view of part A in the figure. Figure 5 for Figure 3 Enlarged view of part B.

[0065] Reference Figures 3 to 5 , the upper cutter portion 300 may include an upper body 310, a knife holder 320 and an upper cutter 330. The upper body 310 is connected to the base 100. The knife holder 320 is coupled to the upper cutter 330. The knife holder 320 is coupled to the upper portion of the upper cutter 330 and protrudes above the upper cutter 330. When the upper cutter 330 is separated from the upper body 310 for replacement, the knife holder 320 guides the upper cutter 330 to move left and right. A plurality of such knife holders 320 may be provided. For example, two knife holders 320 may be arranged, one knife holder 320 being positioned at one side of the upper cutter 330 in the left-right direction, and the other knife holder 320 being positioned at the other side of the lower cutter 430 in the left-right direction.

[0066] The upper cutter 330 is detachably fastened to the upper body 310. The upper cutter 330 is engaged with the lower cutter 430 to cut the electrode.

[0067] The upper cutter 330 may be coupled to the upper body 310 through a first fastening member P1. The first fastening member P1 may be fastened to the upper body 310 by penetrating the upper cutter 330 in the front-rear direction x.

[0068] Meanwhile, the upper body 310 includes a first guide surface G1. The first guide surface G1 may extend in the left-right direction y. In addition, the first guide surface G1 is positioned to face and contact a portion of the knife holder 320. The first guide surface G1 is positioned higher than the top of the upper cutter 330.

[0069] Figure 6 4 is a front view of a cutting device for secondary battery production equipment according to an embodiment of the present invention.

[0070] Reference Figure 6 For example, a total of three first fastening members P1 may be provided, one of which is located at the center of the upper cutter 330 and the other two first fastening members P1 are located at opposite sides of the upper cutter 330 in the left-right direction y.

[0071] When the first fasteners P1 are loosened, the upper cutter 330 is separated from the upper body 310 .

[0072] The first fastening member P1 is positioned in the front-rear direction x so as not to overlap with the clamping portion 500 or the lower cutter portion 400 and is exposed to the outside.

[0073] Figure 7 It is a perspective view of the tool holder 320.

[0074] Reference Figure 4 , Figure 5 and Figure 7 The knife holder 320 may include a first portion 321, a second portion 322 and a third portion 323. The first portion 321 is coupled to the upper cutter 330. The second portion 322 is formed by bending the top of the first portion 321. The third portion 323 may be formed by bending the second portion 322 downward.

[0075] The second portion 322 is positioned to face the first guide surface G1. When the first fastener P1 is loosened, the second portion 322 may move along the first guide surface G1, thereby allowing the upper cutter 330 to move in the left-right direction y.

[0076] Meanwhile, the upper body 310 may include a stopper ST. The stopper ST may be positioned in the moving path of the knife holder 320, and the movement of the knife holder 320 may be restricted when the stopper ST contacts the knife holder 320. By restricting the movement of the knife holder 320, when a new upper cutter 330 is mounted to the upper body 310, the stopper ST may fix the position of the new upper cutter 330 in the left-right direction y. In addition, when the upper cutter 330 is separated from the upper body 310, the stopper ST may determine the separation direction of the upper cutter 330 by restricting the movement in one of the left-right directions y.

[0077] The stopper ST is detachably disposed on the upper body 310. The position of the stopper ST can be variously changed to correspond to the upper cutter 330.

[0078] Figure 8 A schematic diagram of a process of releasing the first fastening member P1 to separate the upper cutter 330 from the upper body 310; Fig. 9 It is a schematic diagram of the process of the upper cutter 330 being separated from the upper body 310.

[0079] Reference Figure 6 and Figure 8 In order to separate only the upper cutter 330 from the cutting device, the first fasteners P1 are released. For example, when only three first fasteners P1 are released, the upper cutter 330 is separated from the upper body 310. The second fastening member P2 is positioned in the front-rear direction x so as not to overlap with the clamping portion 500 or the upper cutter portion 300 and to be exposed to the outside.

[0080] When the upper cutter 330 is pulled in the left-right direction y, the knife holder 320 moves along the first guide surface G1 of the upper body 310, so that the upper cutter 330 is separated from the upper body 310. The user only needs to loosen the first fastener P1 and pull the upper cutter 330, and the upper cutter 330 is separated from the cutting device, thereby allowing the user to quickly and easily replace the upper cutter 330.

[0081] When the upper cutter 330 is detached, the lower cutter portion 400 and the clamping portion 500 are still installed on the cutting device. The lower cutter portion 400 and the clamping portion 500 are installed on the cutting device and the first fastening member P1 is exposed to the outside, so it is easy to replace only the upper cutter 330 that needs to be replaced without disassembling the entire cutting device.

[0082] In this way, after removing the upper cutter 330 that needs to be replaced, the user can push the new upper cutter 330 into the upper body 310 and lock the first fastener P1, so as to quickly install the new upper cutter 330 to the cutting device.

[0083] Fig.10 is a view of the lower cutting knife portion 400; Fig.11 It is an enlarged view of the lower cutting blade portion 400 .

[0084] Reference Fig.10 and Fig.11 The lower cutter portion 400 may include a lower body 410 , a block 420 , a lower cutter 430 and a holding portion 440 .

[0085] The lower body 410 is coupled to the base 100. The upper portion of the lower body 410 forms an accommodation portion AP to accommodate the lower cutter 430. The lower cutter 430 is accommodated in the lower body 410. The lower cutter 430 is engaged with the upper cutter 330 to cut the electrode. The block 420 is accommodated in the lower body 410. The lower cutter 430 is positioned between the inner wall of the accommodation portion AP and the block 420. The block 420 contacts the lower cutter 430 and applies pressure to the lower cutter 430 along the front-rear direction x.

[0086] The bolt N may penetrate the lower body 410 and the lower cutter 430 in the front-rear direction x and be fastened to the block 420 .

[0087] The holding portion 440 is coupled to one end of the lower body 410 .

[0088] The first fastener P1 may be positioned below the lower knife 430 in the up-down direction.

[0089] Fig.12 is a view of the lower cutting knife 430, Fig.13 It is a side view of the lower cutting blade portion 400.

[0090] Reference Fig.12 and Fig.13 The lower cutter 430 may include a central portion 431 and side portions 432 respectively disposed at opposite ends of the central portion 431. The side portions 432 protrude above the central portion 431. The side portions 432 include a reference surface LP facing the upper cutter 330. The reference surface LP and the upper cutter 330 serve together as a reference for cutting the electrode.

[0091] Fig.14330 and 430 are views of the upper cutter 330 and the lower cutter 430.

[0092] Reference Figure 12 to Figure 14 , from the front, the lower cutter 430 is in a "C" shape. Reference surfaces LP protruding from opposite ends of the lower cutter 430 guide the upper cutter 330. Different from the lower cutter 430, the lower end of the upper cutter 330 may be straight.

[0093] Fig.15 It is a rear view of the lower cutting blade portion 400.

[0094] Reference Fig.15 , the lower cutter part 400 may include a guide block 420. The guide block 420 may protrude from the rear side of the lower body 410. The guide block 420 may be positioned at the upper rear side of the lower body 410. The guide block 420 contacts the second guide surface G2 to guide the lower cutter part 400 to move along the left-right direction y.

[0095] The guide block 420 may be a cylindrical member.

[0096] Fig.16 is a view of the base 100.

[0097] Reference Fig.16 , the base 100 may include a second guide surface G2. The second guide surface G2 may be positioned in a concave groove on the front surface of the base 100. The second guide surface G2 is formed along the left-right direction y. The second guide surface G2 guides the left-right movement (left-right direction y) of the lower cutter part 400.

[0098] Fig.17 A schematic diagram of a process of releasing the second fastening member P2 to separate the lower cutter 430 from the base 100; Fig.18 It is a schematic diagram of the process of the lower cutter 430 being separated from the lower body 410.

[0099] Reference Fig.17 and Fig.18 In order to make only the lower cutter 430 detach from the cutting device, the second fasteners P2 are released. For example, when only four second fasteners P2 are released, the lower cutter 430 detaches from the base 100.

[0100] When the grip 440 is pulled in the left-right direction y, the guide block 420 moves along the second guide surface G2 of the base 100, so that the lower cutter 430 is separated from the base 100. The user only needs to loosen the second fastener P2 and pull the grip 440, and the lower cutter 430 is separated from the cutting device, thereby allowing the user to quickly and easily replace the lower cutter 430.

[0101] When the lower cutter 430 is disengaged, the upper cutter portion 300 and the clamping portion 500 are still installed on the cutting device. The upper cutter portion 300 and the clamping portion 500 are installed on the cutting device and the second fastening member P2 is exposed to the outside, so there is no need to disassemble the entire cutting device, and it is easy to replace only the lower cutter 430 that needs to be replaced.

[0102] In this way, after removing the lower cutter 430 that needs to be replaced, the user can push the new lower cutter 430 into the base 100 and lock the second fastener P2, so as to quickly install the new lower cutter 430 to the cutting device.

[0103] The cutting device for a secondary battery production equipment according to an exemplary preferred embodiment of the present invention is specifically shown and described above with reference to the accompanying drawings.

[0104] The above embodiments of the present invention should be considered only in an illustrative sense and are not intended to be limiting. Therefore, the scope of protection of the present invention is defined not by the specific embodiments of the present invention but by the appended claims. It should also be understood that all changes or modifications derived from the definition and scope of the claims and their equivalents are within the scope of protection of the present invention.

Claims

1. A cutting device for secondary battery production equipment, comprising: Pedestal; A driving unit, disposed in the base; an upper cutter portion coupled to the base and connected to the drive portion; as well as a lower cutting portion coupled to the base, in, The upper cutter portion comprises an upper body, a knife holder and an upper cutter, wherein the upper body can be vertically coupled to the base, the knife holder is fastened to the upper body, and the upper cutter is coupled to the knife holder and detachably coupled to the upper body. The lower cutter portion comprises a lower body and a lower cutter, wherein the lower body is detachably coupled to the base and comprises a receiving portion, and the lower cutter is coupled to the lower body and received in the receiving portion. The upper body includes a first guide surface formed along the left-right direction, The base includes a second guide surface formed along the left-right direction, In response to the upper cutter being detached from the upper body, the knife holder and the upper cutter slide along the first guide surface and detach from the upper body, and In response to the lower body being detached from the base, the lower cutter portion slides along the second guide surface and is separated from the base.

2. The cutting device according to claim 1, wherein: The knife holder includes a first part, a second part and a third part, the first part is coupled to the upper cutter, the second part is vertically arranged on the first part and faces the first guide surface, and the third part is vertically formed on the second part.

3. The cutting device according to claim 1, wherein: The lower cutter includes a central portion and side portions respectively arranged at opposite ends of the central portion, wherein the side portions protrude above the central portion and include a reference surface facing the upper cutter.

4. The cutting device according to claim 1, wherein: The lower cutter portion includes a block body disposed in the accommodating portion, the lower cutter is positioned between an inner wall of the accommodating portion and the block body, and the block body is in contact with the lower cutter.

5. The cutting device according to claim 1, wherein: The lower cutting blade portion includes a holding portion arranged at one end of the lower body.

6. The cutting device according to claim 1, wherein: In the up-down direction, the detachable fastening area of ​​the lower body and the base is positioned below the lower cutter.

7. The cutting device according to claim 1, further comprising: A clamping portion connected to the upper body and arranged in front of the upper cutter, wherein in the front-to-back direction, a detachable fastening area of ​​the upper body and the upper cutter is arranged to not overlap with the clamping portion along the front-to-back direction.

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