Single-unit holder and single-unit transfer device including said single-unit holder

Abstract

This invention relates to a monomer holder and a monomer transfer device including the monomer holder, and further relates to a monomer holder and a monomer transfer device that may include the monomer holder, wherein the monomer holder presses and secures both sides of the monomer during the monomer transfer process, thereby preventing the monomer from slipping and separating from the transfer device, minimizing the time required for individual positioning, thereby improving cycle time, and improving productivity without increasing the device load rate. The single-unit clamp and single-unit transfer device according to the present invention includes an outer cover and a clamping assembly installed in the outer cover, wherein the clamping assembly includes: a single-unit support having a single-unit loading groove through which a single unit can enter and be loaded; a pair of pinions disposed on both sides of the single-unit support and converting the vertical linear motion of the single-unit support into rotational motion; a pair of gear frames connected to the pair of pinions and transmitting the rotational motion of the pinions; and a pair of single-unit fixing members disposed at the ends of the pair of gear frames and pressing and fixing the single unit loaded in the single-unit loading groove on both sides.

Description

Technical Field

[0001] Cross-references to related applications

[0002] This application claims priority to Korean Patent Application No. 10-2021-0117974, filed on September 3, 2021, which is incorporated herein by reference in its entirety. Technical Field

[0004] The present invention relates to a monomer holder and a monomer transfer device including said monomer holder, and more specifically, the present invention relates to: a monomer holder that compresses and secures two side surfaces of a monomer during monomer transfer to prevent the monomer from sliding and separating from the transfer device, thereby minimizing the time occupied by individual positioning operations to improve cycle time and improve productivity even without increasing the device load rate; and a monomer transfer device including said monomer holder. Background Technology

[0005] Unlike primary batteries, which are non-rechargeable, secondary batteries are rechargeable and dischargeable batteries, and are widely used not only in small electronic devices such as mobile phones and laptops, but also in large products such as electric vehicles that require higher power, energy storage systems (ESS) for storing surplus electricity or new renewable energy, and energy storage systems for backup.

[0006] In a secondary battery, the electrode assembly installed in the battery casing is a rechargeable and dischargeable power-generating element, having a structure in which a positive electrode / separator / negative electrode is stacked. Electrode assemblies include jelly roll type electrode assemblies, stacked electrode assemblies, etc. In the jelly roll type electrode assembly, a separator is placed between sheet-shaped positive and negative electrodes coated with an electrode active material slurry, and the sheet-shaped positive and negative electrodes are rolled up. In the stacked electrode assembly, individual units having separators placed between multiple cut positive and negative electrodes are sequentially stacked.

[0007] Secondary batteries are produced through multiple processes, necessitating transfer between various devices. Here, as individual cells are transferred between devices, a cell transfer device is positioned above a conveyor, and the cells are transferred by the conveyor while being placed in this device. Cells that have arrived at the target device are picked up from above by a pick-and-place (P&P) unit for further processing in subsequent devices.

[0008] Figure 1 This is a perspective view illustrating a monomer transfer device according to related technology and a monomer disposed in the monomer transfer device. (Refer to...) Figure 1 The monomer transfer device shown in the related art is equipped with a U-shaped guide, which allows the monomer to be positioned vertically. However, because there is no separate component to secure the monomer, it frequently slips and separates from the transfer device. There is also a problem that the transfer speed of the conveyor needs to be limited to a predetermined speed to prevent the monomer from separating, which leads to a decrease in productivity.

[0009] Furthermore, because the monomers placed in the monomer transfer device are transferred in a non-fixed state, a repositioning operation is essential after the monomers arrive at the target device and before they are picked up. This also leads to a decrease in productivity.

[0010] In addition, when the transfer speed of the conveyor is increased or the transfer amount of the unit is increased to improve productivity, there is a problem that the load on the cylinder or P&P unit operating during the positioning operation increases, and correspondingly, the possibility of component deterioration increases. Summary of the Invention

[0011] Technical issues

[0012] The present invention, intended to address the above problems, aims to provide: a monomer holder that compresses and secures two side surfaces of the monomer during monomer transfer to prevent the monomer from slipping and separating from the transfer device, minimizing the time required for individual positioning operations to improve cycle time and even improve productivity without increasing device load rate; and a monomer transfer device including the monomer holder.

[0013] Technical solution

[0014] According to the present invention, a single-unit clamp includes: an outer cover; and a clamping assembly installed in the outer cover, wherein the clamping assembly includes: a single-unit support member, a single-unit placement groove defined in the single-unit support member having an upper portion into which a single unit is introduced for placement; a pair of pinions respectively disposed on two side surfaces of the single-unit support member, and converting the vertical linear motion of the single-unit support member into rotational motion; a pair of gear frames respectively connected to the pair of pinions, and transmitting the rotational motion of the pinions; and a pair of single-unit fixing members respectively disposed at the ends of the pair of gear frames, and pressing and fixing the single unit placed in the single-unit placement groove from both sides.

[0015] In the clamping assembly, the paired pinions can rotate by the descent of the single unit support, and the paired gear frame and the paired single unit fixing member can move in the direction of the single unit placement slot by the rotation of the paired pinions to press and fix the single unit from both sides.

[0016] The clamping assembly may further include an elastic member disposed below the monolithic support and providing an elastic force in the vertical direction of the monolithic support.

[0017] The single support member may include: a pair of racks, each of the racks having a length in a vertical direction and being spaced apart from the other rack, each rack having an outer surface with serrations formed thereon; and a connecting portion disposed below the pair of racks and connecting the pair of racks to each other.

[0018] The individual mounting groove can be defined by the inner surfaces of the paired racks facing each other and the connecting portion disposed below the paired racks, thereby having a U-shaped vertical cross section.

[0019] Each pinion may be provided with: an axial through hole that passes through both sides of the pinion at a position corresponding to a virtual axis of rotation; and a connecting protrusion that protrudes outward from the side surface in which the axial through hole is defined.

[0020] The gear frame may include: a first frame connected to the side surface of each pinion in the pinion; and a second frame, one side of the second frame connected to the first frame and the other side connected to each of the individual fixing components, wherein one side of the first frame is positioned to correspond to an axial through hole of the pinion for connection to the pinion, and the other side is connected to the second frame, and the first frame is connected to a connecting protrusion of the pinion between the one side and the other side.

[0021] The gear frame may further include a third frame, one side of which is connected to the second frame and the other side is rotatably connected to the outer cover.

[0022] The third frame can be connected to the second frame, thereby being positioned between the single-unit fixing component and the first frame.

[0023] The single-unit fixing component may include: a pressing part, the pressing part being configured as a flat surface; and a pair of connecting parts, the pair of connecting parts being bent backward from both sides of the pressing part.

[0024] In the second frame, the other side, opposite to the side connected to the first frame, can be inserted between the paired connecting parts for rotatable connection.

[0025] A notch with a U-shaped vertical cross-section can be confined within the outer casing at a position facing the individual mounting slot.

[0026] The notch can be defined as having a size larger than that of the individual placement groove.

[0027] According to the present invention, a monomer transfer device includes: a monomer holder, at least one of which is provided; and a mounting member that secures the monomer holder from below, wherein the monomer holder includes: an outer cover; and a clamping assembly mounted in the outer cover, wherein the clamping assembly includes: a monomer support member, a monomer placement groove defined in the monomer support member having an upper portion in which a monomer is introduced and placed; a pair of pinions respectively disposed on two side surfaces of the monomer support member and converting the vertical linear motion of the monomer support member into rotational motion; a pair of gear frames respectively connected to the pair of pinions and transmitting the rotational motion of the pinions; and a pair of monomer fixing members respectively disposed at the ends of the pair of gear frames and pressing and fixing the monomer placed in the monomer placement groove from both sides.

[0028] Beneficial effects

[0029] The monomer holder and monomer transfer device according to the present invention include an outer casing and a clamping assembly mounted in the outer casing. The clamping assembly includes: a monomer support member, in which a monomer placement groove is defined, wherein a monomer is introduced from above for placement; a pair of pinions disposed on both side surfaces of the monomer support member and converting the vertical linear motion of the monomer support member into rotational motion; a pair of gear frames respectively connected to the pair of pinions and transmitting the rotational motion of the pinions; and a pair of monomer fixing members respectively disposed at the ends of the pair of gear frames and pressing and fixing the monomer placed in the monomer placement groove from both sides. Accordingly, the side surfaces of the monomer can be pressed and fixed during monomer transfer to prevent the monomer from slipping and separating from the transfer device, minimizing the time occupied by individual positioning operations to improve cycle time, and even improving productivity without increasing the device load rate. Attached Figure Description

[0030] Figure 1 This is a perspective view illustrating the monomer transfer device according to related technologies and the monomers disposed in the monomer transfer device.

[0031] Figure 2 This is a perspective view illustrating the single-unit holder according to Embodiment 1 of the present invention and the single unit disposed in the single-unit holder.

[0032] Figure 3 This is an exploded perspective view illustrating the single-unit clamp according to Embodiment 1 of the present invention.

[0033] Figure 4 This is a perspective view illustrating the connection relationship between the pinion, gear frame, and single-unit fixing component of the single-unit clamp according to Embodiment 1 of the present invention.

[0034] Figure 5 This is a perspective view illustrating the monomer transfer device according to Embodiment 2 of the present invention. Detailed Implementation

[0035] Preferred embodiments of the invention will be described in detail below with reference to the accompanying drawings, thereby enabling those skilled in the art to readily practice the invention. However, the invention may be embodied in various forms and should not be construed as being limited to the embodiments set forth herein.

[0036] Details irrelevant to the description, or detailed descriptions of related well-known techniques that might unnecessarily obscure the subject matter of the invention, will be omitted so that the invention can be clearly described. Throughout the specification, similar reference numerals refer to similar elements.

[0037] Furthermore, the terms or words used in this specification and claims should not be construed as having a general or dictionary-based meaning, but rather should be interpreted as having a meaning and concept that is within the scope of the invention, based on the principle that the inventor is able to properly define the concept of the terms in order to best describe his or her invention.

[0038] Example 1

[0039] Figure 2 This is a perspective view illustrating the single-unit holder 10 according to Embodiment 1 of the present invention and the single unit to be placed in the single-unit holder 10. Figure 3 This is an exploded perspective view illustrating the single-unit clamp 10 according to Embodiment 1 of the present invention.

[0040] refer to Figure 2 The single-unit clamp 10 according to the present invention includes an outer cover 100 and a clamping assembly 200 installed in the outer cover 100.

[0041] like Figure 2 and 3 As shown, the outer cover 100 can be a component configured to partially surround the outer side of the clamping assembly 200, secure the clamping assembly 200 therein, and protect the clamping assembly 200 from external impacts. Therefore, the outer cover 100 can be provided according to the shape of the clamping assembly 200 as described below. A notch with a U-shaped vertical cross-section can be defined in the outer cover 100 at a position facing the unit placement slot of the clamping assembly 200 as described below. When a unit is placed in the unit placement slot, the notch can be used to prevent the end of the unit from colliding with the outer cover 100. Here, the size of the notch can be defined to be larger than the size of the unit placement slot as described below. More specifically, even if the unit is lowered after being placed in the unit placement slot, the size of the notch can be sufficient to prevent the unit from colliding with the outer cover. The descent of the unit placement slot will be described in detail below.

[0042] Next reference Figure 3 The clamping assembly 200 is a component that, during monomer transfer, compresses and secures two side surfaces of the monomer to prevent the monomer from sliding and being separated, and includes a monomer support 210, a pinion 220, a gear frame 230, and a monomer fixing component 240.

[0043] The monomer placement slot is defined within the monomer support 210, the monomer placement slot having an upper portion into which the monomer is introduced for placement. Here, the monomer may mean an electrode assembly unit, wherein electrodes and diaphragms are alternately stacked and cut into a flat surface with a rectangular shape having a long side and a short side, and the monomer may include monomers of various shapes, such as dual-monomers, single-monomers, and half-monomers. The monomer may be introduced from above the monomer support 210, and the long side may be introduced into the upper portion of the monomer placement slot to be placed in a state in which the monomer is upright.

[0044] The pinions 220 are respectively arranged in pairs on the two side surfaces of the single-unit support 210, and convert the vertical linear motion of the single-unit support 210 into rotational motion. When the single unit is positioned, the single-unit support 210 can move in the downward direction or in the direction of gravity by its own weight (hereinafter referred to as "descent of the single-unit support"). The pinions 220 are configured to engage with the side surfaces of the single-unit support 210 to rotate according to the descent of the single-unit support 210. Here, the paired pinions 220 can be arranged on opposite sides with the single-unit support 210 located between them, and correspondingly, the rotation directions of the paired pinions 220 can be opposite to each other, for example, clockwise and counterclockwise. When the unit is removed from the unit support 210, the unit support 210, which has been lowered by weight, can return in an upward direction or in a direction opposite to the direction of gravity (hereinafter referred to as "rising of the unit support"), and the pinion 220 can rotate in a direction opposite to the direction in which the pinion 220 has rotated according to the descent of the unit support 210.

[0045] The gear frame 230 is connected to each of the paired pinions 220 and transmits the rotational motion of the pinions 220. The single-unit fixing member 240 is disposed at the end of each of the paired gear frames 230, and the single-unit fixing member 240 presses and fixes the single unit placed in the single-unit placement groove from both sides.

[0046] As described above, in the monomer holder 10 according to the present invention, the monomer fixing member 240 presses and fixes the two side surfaces of the monomer during transfer, thereby preventing the monomer from sliding and being separated, minimizing the time occupied by individual positioning operations to improve cycle time, and even improving productivity without increasing the device load rate.

[0047] In the clamping assembly 200, the paired pinions 220 can be rotated by the descent of the single unit support 210, and the paired gear frame 230 and the paired single unit fixing member 240 can be moved in the direction of the single unit placement groove by the rotation of the paired pinions 220 to squeeze and fix the single unit from both sides.

[0048] On the other hand, the paired pinions 220 can rotate in the opposite direction to the direction in which the pinions 220 have rotated as the unit support 210 has descended, by the upward movement of the unit support 210. Furthermore, the paired gear frame 230 and the paired unit fixing member 240 can move in opposite directions away from the unit placement slot by the rotation of the paired pinions 220, thereby releasing the fixing at both sides of the unit. That is, when the unit is placed in the clamping assembly 200 and its weight is applied, the unit fixing member 240 can press and fix the unit from both sides, and when the unit is picked up and its weight is removed, the unit fixing member 240 can operate to release the fixing of the unit.

[0049] The clamping assembly 200 may further include an elastic member 250 disposed below the unit support 210 and providing an elastic force in the vertical direction of the unit support 210. Here, the elastic member 250 may be selected as a spring, but is not necessarily limited to this. Any material or structure that is compressed when the unit is placed on the unit support 210 and recovers when the unit is removed is sufficient as the elastic member. The elastic force of the elastic member 250 may be defined such that, when the unit is placed on the unit support 210, the elastic member 250 can descend further than the initial position of the unit support 210 due to the weight of the unit support and the unit.

[0050] In the following text, reference will be made to Figure 3 and 4 The various components of the clamping assembly 200 are described in detail. Figure 4 This is a perspective view illustrating the combination relationship between the pinion 220, gear frame 230, and single-unit fixing component 240 of the single-unit clamp 10 according to Embodiment 1 of the present invention.

[0051] like Figure 3As shown, the single support member 210 may include a rack 211 and a connecting portion 212. The racks 211 may have a vertical length and are arranged in pairs, spaced apart from each other, and have an outer surface defined with serrations. The serrations defined on the outer surface of the racks 211 can engage with the pinion 220 to transmit the linear upward or downward movement of the single support member 210 to the pinion 220. The connecting portion 212 may be disposed below the paired racks 211 to connect the paired racks 211 to each other. Accordingly, the paired racks can move upward or downward as a motion, and the paired pinions 220 can also rotate at the same angle.

[0052] The unit placement groove defined in the unit support 210 is defined by the facing inner surfaces of the paired racks 211 and the connecting portion 212 located below the paired racks 211, thus having a U-shaped vertical cross-section. That is, when the unit is in an upright state, the long side of the unit is introduced into the upper part of the unit placement groove for placement, the lower part of the unit can be supported by the connecting portion 212, and the wide side surface of the unit can be supported by the inner surfaces of the paired racks 211 located above the connecting portion 212 without being separated.

[0053] Let's refer to each other. Figure 3 and 4 The pinion 220 may be provided with: an axial through-hole passing through both sides of the pinion 220 at a position corresponding to a virtual axis of rotation; and a connecting protrusion protruding outward from the side surface defining the axial through-hole. A fixed shaft may pass through the axial through-hole of the pinion 220, thereby allowing the pinion 220 to rotate while fixed in a vertical direction. Here, the fixed shaft may be disposed in the inner surface of the outer cover 100. The connecting protrusion is disposed on the side surface defining the axial through-hole and may be disposed at a predetermined distance from the axial through-hole. Here, the predetermined distance is defined as a distance at which the gear frame 230 and the single-unit fixing member 240, described below, move with the rotation of the pinion 220. Therefore, when the distance between the connecting protrusion and the axial through hole is relatively large, the moving distance of the gear frame 230 and the single fixing component 240 increases, and when the distance between the connecting protrusion and the axial through hole is relatively small, the moving distance of the gear frame 230 and the single fixing component 240 decreases.

[0054] The gear frame 230 may include a first frame 230-1, a second frame 230-2, and a third frame 230-3. The first frame 230-1 may be connected to the side surface of the pinion 220. More specifically, one side of the first frame 230-1 may be positioned to correspond to the axial through hole of the pinion 220 for connection to the pinion 220. Here, a connecting hole (not shown) may be defined in one side of the first frame 230-1, and the first frame 230-1 may be connected to the side surface of the pinion 220 with the aforementioned fixed shaft passing through the connecting hole on one side of the first frame 230-1 and the axial through hole of the pinion 220.

[0055] The other side of the first frame 230-1 can be connected to the second frame 230-2, and is connected between the one side and the other side to the connecting protrusion of the pinion 220. More specifically, the connecting hole can also be defined in the other side of the first frame 230-1, and the connecting protrusion provided on the second frame 230-2 is inserted into the connecting hole, so that the first frame 230-1 and the second frame 230-2 can be rotatably connected to each other at the other side of the first frame 230-1. The connecting hole can also be defined between one side and the other side of the first frame 230-1, and the connecting protrusion provided on the side surface of the pinion 220 is inserted into the connecting hole, thereby being connected. However, the connection method is not necessarily limited to this connection method using a connecting hole and a connecting protrusion. For example, the connecting protrusion can be provided in the first frame 230-1, and the connecting hole can be defined in the pinion 220 and the second frame 230-2, thereby being connected to each other.

[0056] One side of the second frame 230-2 can be connected to the first frame 230-1, and the other side can be connected to the single-unit fixing component 240. The structure in which the second frame 230-2 is connected to the single-unit fixing component 240 will be described below.

[0057] One side of the third frame 230-3 can be connected to the second frame 230-2, and the other side is rotatably connected to the outer cover 100. More specifically, a connecting hole can be defined in one side of the third frame 230-3, and a connecting protrusion provided on the second frame 230-2 can be inserted into the connecting hole, thereby rotatably connecting the third frame 230-3 and the second frame 230-2. Here, the connecting protrusion provided on the second frame 230-2 is a component different from the connecting protrusion described above; it is connected to the first frame 230-1 and can be located at a point between the individual fixing member 240 and the positions where the first frame 230-1 is respectively connected to the second frame 230-2. That is, the third frame 230-3 can be connected to the second frame 230-2, thereby being positioned between the individual fixing member 240 and the first frame 230-1. Accordingly, the movable range of the second frame 230-2 can be appropriately limited, and the single-unit fixing member 240 described below can accurately press the side surface of the single unit.

[0058] The other side of the third frame 230-3 can be rotatably connected to the outer cover 100. More specifically, another connecting hole can be defined in the other side of the third frame 230-3, and a fixing shaft defined in the inner surface of the outer cover 100 can pass through the connecting hole for connection. Here, the fixing shaft defined in the inner surface of the outer cover 100 is a component different from the aforementioned fixing shaft, which passes through the pinion 220 and the first frame 230-1, and can be a component that independently fixes the third frame 230-3. Therefore, with the other side of the third frame 230-3 fixed to the outer cover 100, the side of the third frame 230-3 that is connected to the second frame 230-2 can move.

[0059] refer to Figure 4 The monomer fixing component 240 may include a pressing portion 241 and a connecting portion 242. The pressing portion 241 is configured as a flat surface, and may be the surface that presses and fixes the monomer. Because the pressing portion 241 is configured as a flat surface, damage to the monomer can be minimized compared to methods used to fix the monomer by clamping, and the monomer can also be effectively fixed.

[0060] The paired connecting portions 242 can be configured to bend rearward from both sides of the pressing portion 241. Here, "rearward" can mean the direction opposite to that on which the pressing portion 241 presses and fixes the flat surface of the unit. The paired connecting portions 242 can be bent rearward in the pressing portion 241 to define the space between the connecting portions 242. Here, the side of the second frame 230-2 opposite to the side connected to the first frame 230-1 can be inserted between the paired connecting portions 242, thereby being rotatably connected. Accordingly, even when the second frame 230-2 moves in the vertical or longitudinal direction, the surface of the pressing portion 241 of the unit fixing member 240 can be maintained facing a specific direction. When describing in detail the method of connecting the second frame 230-2 to the connecting portion 242 of the single fixing component 240, the connecting holes can be respectively defined in the paired connecting portions 242, and the connecting holes can also be defined in the other side of the second frame 230-2, and the second frame 230-2 can be connected to the connecting portion 242 at the positions corresponding to the connecting holes of the connecting portions 242 and the connecting holes of the second frame 230-2 by fixing pins, screws, etc. passing through therethrough.

[0061] Example 2

[0062] Figure 5 This is a perspective view illustrating the monomer transfer device according to Embodiment 2 of the present invention. Embodiment 2 of the present invention differs from Embodiment 1 in that it includes a monomer holder as described in Embodiment 1.

[0063] Content common to Embodiment 1 will preferably be omitted, and the description of Embodiment 2 will focus on the differences. That is, it is obvious that, if necessary, content not described in Embodiment 2 can be regarded as content of Embodiment 1.

[0064] refer to Figure 5 According to Embodiment 2 of the present invention, the monomer transfer device 1 is provided with at least one monomer holder 10 and includes a mounting member 20 for fixing the monomer holder 10 from below. That is, one or at least two monomer holders 10 may be provided if necessary. Preferably, as Figure 5 As shown, two unit holders 10 are secured and held to the upper part of the illustrated mounting member 20. Accordingly, when the illustrated unit is positioned in the direction of its long side, the two unit holders 10 can more stably secure the unit.

[0065] The single-unit transfer device 1 includes the single-unit holder 10 and a mounting member 20 for fixing the single-unit holder 10. The single-unit transfer device 1 can be used for transfer, for example, by a conveyor belt. The single-unit holder 10 includes an outer cover 100 and a clamping assembly 200 mounted in the outer cover 100. The clamping assembly 200 includes: a single-unit support 210, a single-unit placement groove defined in the single-unit support 210 having an upper portion into which the single unit is introduced for placement; a pair of pinions 220 respectively disposed on the two side surfaces of the single-unit support 210, and converting the vertical linear motion of the single-unit support 210 into rotational motion; a pair of gear frames 230 respectively connected to the pair of pinions 220, and transmitting the rotational motion of the pinions 220; and a pair of single-unit fixing members 240 respectively disposed on the ends of the pair of gear frames 230, and pressing and fixing the single unit placed in the single-unit placement groove from both sides.

[0066] Accordingly, the monomer transfer device 1 according to the invention can prevent the monomers from slipping and being separated; minimize the time occupied by individual positioning operations to improve cycle time; and even improve productivity without increasing the device load rate. In the monomer transfer device 1 according to Embodiment 2 of the invention, the detailed construction and effects of the monomer holder 10 can be understood as the same as those in Embodiment 1.

[0067] Although the invention has been described with reference to limited embodiments and drawings, it is not limited thereto and may be implemented differently by those skilled in the art within the technical concept of the invention and the equivalents of the appended claims.

[0068] Explanation of reference numerals in the attached figures

[0069] 1: Individual transfer device

[0070] 10: Single-unit gripper

[0071] 20: Installation components

[0072] 100: Outer Cover

[0073] 200: Clamping assembly

[0074] 210: Single support component

[0075] 211: Rack and pinion

[0076] 212: Connecting part

[0077] 220: Small Gear

[0078] 230: Gear frame

[0079] 230-1: First Frame

[0080] 230-2: Second Frame

[0081] 230-3: The Third Frame

[0082] 240: Single-unit fixing component

[0083] 241: Extrusion Section

[0084] 242: Connecting part

[0085] 250: Elastic component

Claims

1. A single-unit gripper, comprising: Outer cover; and A clamping assembly, which is mounted within the outer casing. The clamping assembly includes A single-unit support member, a single-unit placement groove is defined in the single-unit support member, the single-unit placement groove having an upper part into which a single unit is introduced for placement; A pair of pinions, which are respectively disposed on the two sides of the single support member and configured to convert the vertical linear motion of the single support member into rotational motion; A pair of gear frames, each connected to a pair of pinions, and configured to transmit rotational motion of the pinions; and A pair of individual unit fixing components are respectively disposed on the ends of the pair of gear frames and are configured to press and fix the individual unit placed in the individual unit placement groove from both sides. Each gear frame in the gear frame includes: A first frame is attached to the side surface of each of the pinions in the pinion; A second frame, one side of which is connected to the first frame, and the other side of which is connected to each of the individual fixing components; and A third frame, one side of which is rotatably connected to the second frame and the other side of which is rotatably connected to the outer cover, is positioned between the single-unit fixing component and the first frame.

2. The single-unit clamp according to claim 1, wherein, In the clamping assembly, the paired pinions rotate as the unit support descends, and the paired gear frames and the paired unit fixing components move in the direction of the unit placement slot by the rotation of the paired pinions to press and fix the unit from both sides.

3. The single-unit clamp according to claim 1, wherein, The clamping assembly further includes an elastic member disposed below the monolithic support and providing an elastic force in the vertical direction of the monolithic support.

4. The single-unit clamp according to claim 1, wherein, The single-unit support includes: A pair of racks, each rack having a length in a vertical direction and configured to be spaced apart from the other rack, each rack having an outer surface on which serrations are formed; and A connecting portion is disposed below the pair of racks and is configured to connect the pair of racks to each other.

5. The single-unit clamp according to claim 4, wherein, The individual mounting groove is defined by the facing inner surfaces of the paired racks and the connecting portion disposed below the paired racks, thereby having a U-shaped vertical cross-section.

6. The single-unit clamp according to claim 1, wherein, Each of the pinions is provided with: An axial through hole passes through both surfaces of the pinion at a position corresponding to the virtual axis of rotation; and A connecting protrusion that protrudes outward from the side surface defining the axial through hole therein.

7. The single-unit clamp according to claim 1, in, One side of the first frame is positioned to form an axial through hole corresponding to the pinion, thereby being connected to the pinion; the other side is connected to the second frame. The first frame is connected to the connecting protrusion of the pinion between one side and the other side.

8. The single-unit clamp according to claim 7, wherein, The single-unit fixing component includes: The extrusion section is configured with a flat surface; and A pair of connecting parts, which bend backward from both sides of the extrusion part.

9. The single-unit clamp according to claim 8, wherein, In the second frame, the other side, opposite to the side connected to the first frame, is inserted between the paired connecting parts for rotatable connection.

10. The single-unit clamp according to claim 1, wherein, A notch with a U-shaped vertical cross-section is confined within the outer casing at the position facing the single-unit mounting slot.

11. The single-unit clamp according to claim 10, wherein, The notch is defined to be larger than the size of the individual unit placement groove.

12. A single-unit transfer device, comprising: A single-unit gripper, wherein at least one single-unit gripper is provided; and Mounting element, configured to secure the individual unit holder from below. The single-unit clamp includes: Outer cover, and A clamping assembly, which is mounted within the outer casing. The clamping assembly includes: A single-unit support member, a single-unit placement groove is defined in the single-unit support member, the single-unit placement groove having an upper part into which a single unit is introduced for placement; A pair of pinions, respectively disposed on both sides of the single support member, are configured to convert the vertical linear motion of the single support member into rotational motion. A pair of gear frames, each connected to a pair of pinions, and configured to transmit the rotational motion of the pinions. A pair of individual unit fixing components are respectively disposed on the ends of the pair of gear frames and are configured to press and fix the individual unit in the individual unit placement groove from both sides. Each gear frame in the gear frame includes: a first frame connected to the side surface of each pinion in the pinion; a second frame connected to the first frame on one side and to each of the individual fixing components on the other side; and a third frame rotatably connected to the second frame on one side and to the outer cover on the other side, and the third frame is positioned between the individual fixing component and the first frame.

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