KR20220036259A - Returning object centering apparatus - Google Patents

Abstract

A conveyed material centering device is disclosed. The conveyed object centering device according to the present invention includes a conveyed object pressurizing unit provided on one side with a centering pressurization unit that receives the load of the transported object and pressurizes the side wall of the transported object for centering work, and the transported object pressurizing unit is connected to enable relative movement, A moving guide unit having a guide portion that moves the conveyed object pressurizing unit, which receives the load of the transported object and moves it in a direction toward and away from the central area of the transported object, is coupled to the transported object pressurizing unit, and guides the transported object by shielding the guide part from the transported object. It includes a guide shielding unit that prevents particles generated from the unit from scattering in the direction of the conveyed object.

Description

Conveyed object centering device {RETURNING OBJECT CENTERING APPARATUS}

The present invention relates to a conveyed object centering device, and more specifically, a conveyed object centering device that can perform centering work on conveyed objects with only a mechanical structure without pneumatic equipment or control devices and can prevent scattering of particles. It's about.

With the rapid development of information and communication technology and the expansion of the market, flat panel displays are attracting attention as a display device.

These flat display devices include liquid crystal displays, plasma display panels, and organic light emitting diode displays.

Among these, organic light-emitting diode displays (OLED displays) have fast response speeds, lower power consumption than existing liquid crystal displays (LCDs), are lightweight, and do not require a separate backlight device, so they can be made ultra-thin. It is in the spotlight as a next-generation display device because it has excellent advantages such as high brightness.

Organic light emitting diode displays (OLED displays) can be divided into passive PMOLED and active AMOLED depending on the driving method. In particular, AMOLED is a self-luminous display and has the advantage of having a faster response time than existing displays, natural colors, and low power consumption.

In the manufacturing process of these flat display devices, the substrates used in the manufacturing of the flat display devices go through several processes. When moving from process to process, the substrates are temporarily loaded into a loading cassette and stored and transported.

The cassette loaded with the substrate must be accurately positioned and fixed in the required position so that the robot can retrieve the substrate loaded on the cassette. In order for a robot to accurately retrieve products loaded in a cassette, the cassette must first be placed in the correct position, and therefore a centering device that positions the cassette in the correct position is required.

A centering device according to the prior art includes two rollers in contact with a cassette and a pressure cylinder that moves a cylinder rod to which the two rollers are rotatably coupled in directions approaching and away from the cassette.

However, the centering device according to the prior art uses a pressurized cylinder that uses pneumatic or electricity as a driving force, so it requires an additional power source and has a somewhat complicated structure.

In addition, as described above, the centering device according to the prior art requires a separate power source, which requires a long manufacturing and installation time, is expensive, and requires continuous maintenance.

In addition, the centering device according to the prior art had a problem in that particles generated during the centering operation were scattered to the outside, contaminating the conveyed material.

Republic of Korea Publication No. 10-2006-0028872, (2006.04.04.)

The problem to be solved by the present invention is to provide a conveyed object centering device that can perform centering work on conveyed objects without a separate power source such as pneumatics or electric power and can prevent particles generated during the centering process from scattering on the conveyed objects. will be.

According to one aspect of the present invention, a conveyed object pressing unit is provided on one side of a centering pressurizing portion that receives the load of the conveyed object and presses the side wall of the conveyed object for centering work of the conveyed object; A moving guide unit connected to the conveyed object pressurizing unit to allow relative movement, and having a guide portion that moves the conveyed object pressurizing unit, which receives the load of the transported object and descends, in a direction toward and away from the central area of the transported object; And a guide shielding unit coupled to the conveyed object pressurizing unit and shielding the guide portion with respect to the transported object to prevent particles generated from the guide portion from scattering in the direction of the transported object. A conveyed object centering device may be provided.

The moving guide unit may have a hollow interior and may include a guide unit body portion in which the guide portion is disposed.

The guide unit includes a moving block connected to the conveyed object pressurizing unit; And it is coupled to the guide unit body and may include a guide rod connected to enable sliding movement of the moving block.

The guide unit includes a fixed block coupled to the outer peripheral surface of the guide rod; And it is supported on the fixed block and connected to the moving block, and may further include an elastic body for a pressing unit that elastically presses the moving block.

The guide part may further include a linear bush part that guides the movement of the conveyed object pressurizing unit.

The linear bush part includes a ball bush coupled to the conveyed material pressurizing unit; And it is coupled to the guide unit body and may include a guide shaft to which the ball bush is slidably connected.

The guide shielding unit is connected to the guide unit body portion and may be disposed in an upper area of the guide portion.

The guide shielding unit includes a front shielding portion coupled to the guide unit body; And it is coupled to the guide unit body and may include a rear shield disposed to be spaced apart from the front shield.

The conveyed object pressurizing unit includes a pressurizing unit body portion supporting the centering pressurizing unit; and a conveyed object contact portion supported on the pressurizing unit body and in contact with the lower wall of the conveyed object to receive the load of the transported object.

The centering pressing unit includes: a fixed shaft for the pressing unit fixed to the pressing unit body; and a pressing roller rotatably coupled to the fixed shaft for the pressing unit and in contact with a side wall of the conveyed object.

The centering pressing portions are provided in pairs, and the pair of centering pressing portions may be arranged to be spaced apart by a predetermined distance.

The conveyed material contact portion includes a roller bracket coupled to the pressurizing unit body portion; and a rotating ball rotatably coupled to the roller bracket and in contact with the lower wall of the conveyed object.

a first support on which the movement guide unit is supported; and a first conveyed object support portion supported on the first pedestal and spaced apart from the movement guide unit by a predetermined distance, and supporting the transported object.

a second pedestal disposed at a predetermined distance from the first pedestal; and a second conveyance support portion supported on the second pedestal and supporting the conveyance, wherein the upper end of the first conveyance support portion and the upper end of the second conveyance support portion in contact with the lower wall of the conveyance are on the same plane. can be located

Embodiments of the present invention include a conveyed object pressurizing unit provided on one side with a centering pressure unit that receives the load of the transported object and pressurizes the side wall of the transported object, and a guide that moves the transported object pressing unit in a direction toward and away from the central area of the transported object. By providing a guide shielding unit that shields the conveyed part from the conveyed object to prevent particles generated from the guide part from scattering in the direction of the transported object, centering work on the transported object can be performed without a separate power source such as pneumatic or electric power, and the centering process can be performed. It is possible to prevent particles generated from scattering in the direction of the conveyed material.

1 is a diagram illustrating a conveyed material centering device according to an embodiment of the present invention.
Figure 2 is a plan view of Figure 1.
Figure 3 is a side view of Figure 1.
FIG. 4 is a diagram illustrating the centering pressing mechanism of FIG. 1.
FIG. 5 is a view of the centering pressing mechanism of FIG. 4 viewed from another direction.
Figure 6 is a plan view of Figure 4.
Figure 7 is a side view of Figure 4.
Figure 8 is a front view of Figure 4.
FIG. 9 is a cross-sectional view taken along line AA of FIG. 8.
Figure 10 is a cross-sectional view taken along line BB in Figure 8.
FIG. 11 is a diagram illustrating a state in which the conveyed material pressurizing unit in FIG. 10 is lowered.

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

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

FIG. 1 is a diagram showing a conveyed object centering device according to an embodiment of the present invention, FIG. 2 is a plan view of FIG. 1, FIG. 3 is a side view of FIG. 1, and FIG. 4 shows a centering pressing mechanism of FIG. 1. 5 is a view of the centering pressing mechanism of FIG. 4 viewed from another direction, FIG. 6 is a plan view of FIG. 4, FIG. 7 is a side view of FIG. 4, FIG. 8 is a front view of FIG. 4, and FIG. 9 is a cross-sectional view taken along line A-A of FIG. 8, FIG. 10 is a cross-sectional view taken along line B-B of FIG. 8, and FIG. 11 is a view showing the state in which the conveyed material pressurizing unit in FIG. 10 is lowered. In FIG. 3 , the centering pressing mechanism 100 is omitted for convenience of explanation.

As shown in FIGS. 1 to 11, the conveyed object centering device according to the present embodiment includes a centering pressing mechanism 100 that pressurizes the conveyed object for centering work, and a first centering pressing mechanism 100 that supports the centering pressing mechanism 100. A pedestal (M1), a first conveyed object support portion (K1) supported on the first pedestal (M1) and supporting the conveyed object, a second pedestal (M2) disposed at a predetermined distance from the first pedestal (M1), and , It is supported on the second pedestal (M2) and includes a second transported object support portion (K2) that supports the transported object.

The conveyed object is prepared in the shape of a hexahedral box, as shown in FIGS. 1 to 3. In this embodiment, the conveyed object may correspond to a cassette in which substrates are loaded, but the scope of the present invention is not limited thereto, and various transfer objects that are subject to transfer may correspond to the conveyed object of the present invention.

As shown in detail in FIGS. 1 to 3, the first pedestal M1 and the second pedestal M2 are provided as a pair and arranged diagonally to each other.

A centering pressing mechanism 100 and a first conveyed object support portion K1 are installed on the first pedestal M1, and a second conveyed object support portion K2 is installed on the second pedestal M2.

In order to prevent interference with the centering pressing mechanism 100, the first conveyed object support portion K1 is disposed at a predetermined distance from the centering pressing mechanism 100, as shown in detail in FIG. 2.

The upper end of the first conveyed object support portion K1 is in contact with the lower wall of the conveyed object, and the transported object is supported by the first transported object support portion K1. In this embodiment, the upper end of the first transported object support unit K1 is provided in an 'ㄱ' shape when viewed from above, as shown in detail in FIGS. 1 and 2, and this shape of the first transported object support unit K1 The scope of the present invention is not limited, and the first conveyed object support portion K1 may be provided in various shapes.

The second conveyed object support portion K2 is installed on the second pedestal M2. The upper end of the second conveyed object support portion K2 is in contact with the lower wall of the conveyed object, and the transported object is supported by the second transported object support portion K2. In this embodiment, the upper end of the second transported object support K2 is provided in a circular shape when viewed from above, as shown in detail in FIGS. 1 and 2, and the shape of the second transported object support K2 is based on the present invention. The scope of rights is not limited, and the second conveyed object support portion K2 may be provided in various shapes.

In this embodiment, the upper end of the first transported object support K1 and the upper end of the second transported object support K2 are disposed on the same plane, as shown in detail in FIG. 3. In this way, the upper end of the first conveyed object support part K1 and the upper end of the second transported object support part K2 that support the transported object are disposed on the same plane, so that the transported object can be stably supported without tilting the transported object.

In this embodiment, the conveyed object is lowered from the upper area of the first conveyed object support portion (K1) and the second conveyed object support portion (K2) by a hoist unit (not shown) to the first conveyed object support portion (K1) and the second conveyed object support portion (K2). is supported by As shown in FIGS. 1 to 3, the conveyed objects supported on the first conveyed object support portion K1 and the second conveyed object support portion K2 must be positioned properly without being eccentric to be used in future processes, for example, robots (not shown). More precise work can be performed in the process of removing the substrate (not shown) loaded on this conveyed material.

Therefore, while the conveyed object is lowered and supported by the first conveyed object support part K1 and the second transported object support part K2, the transported object must be centered in the correct position so that the transported object is not located in an eccentric position.

This centering operation of the conveyed object is performed by the centering pressurizing mechanism 100. In this embodiment, the centering pressing mechanism 100, as shown in FIGS. 1 and 2, is provided in a pair and is arranged in a diagonal direction of the conveyed object to press the transported object in the diagonal direction of the transported object.

The scope of the present invention is not limited to the number of the centering pressing mechanisms 100 shown in FIGS. 1 and 2, and the centering pressing mechanisms 100 may be provided in various numbers. For example, the centering pressing mechanism 100 may be installed on the second pedestal M2 of FIGS. 1 and 2 so that two pairs of centering pressing mechanisms 100 may be provided.

The centering pressurizing mechanism 100 receives the load of the conveyed object during the lowering process of the transported object and uses the load of the transported object to pressurize the side wall of the transported object to position the transported object in an eccentric position with respect to the original position. do. The centering pressurizing mechanism 100 of this embodiment performs the centering operation of the transported object using the load of the transported object without a separate power source such as pneumatics or electric power, and thus has the advantage of simple installation and easy maintenance.

As shown in detail in FIGS. 4 to 11, the centering pressing mechanism 100 according to this embodiment includes a centering pressing unit ( 120) is provided with a conveyed object pressurizing unit 110 provided on one side, and a guide unit 170 that moves the conveyed object pressurizing unit 110, which receives the load of the transported object and descends, in a direction toward and away from the central area of the transported object. A guide shielding unit that is coupled to the moving guide unit 160 and the conveyed material pressurizing unit 110 and shields the guide portion 170 from the transported object to prevent particles generated in the guide portion 170 from scattering in the direction of the transported object. Includes (180).

The conveyed object pressurizing unit 110 first contacts the transported object and descends together with the transported object before the transported object is supported by the first transported object support part K1 and the second transported object support part K2. At this time, the conveyed material pressurizing unit 110 is guided by the movement guide unit 160 and is lowered in an oblique diagonal direction. Accordingly, the conveyed object pressurizing unit 110 moves in a direction approaching the central area of the transported object in the process of being lowered together with the transported object.

The conveyed object pressurizing unit 110 according to this embodiment includes a centering pressing portion 120 that presses the side wall of the conveyed object, a pressing unit body portion 130 supporting the centering pressing portion 120, and a pressing unit body. It is supported on the part 130 and includes a conveyed object contact portion 140 that contacts the lower wall of the transported object to receive the load of the transported object.

The centering pressurizing unit 120 presses the side wall of the conveyed object. These centering pressure parts 120 are provided in pairs. In this embodiment, a pair of centering pressure parts 120 are arranged to be spaced apart by a predetermined distance. As shown in detail in FIG. 6, a pair of centering pressure parts 120 are arranged at a predetermined distance apart so that the edges of the conveyed object can be positioned between them.

This centering press unit 120 is rotatably coupled to the press unit fixed shaft 121 fixed to the press unit body 130 and the press unit fixed shaft 121, and is in contact with the side wall of the conveyed object. Includes roller 122.

The fixing shaft 121 for the pressing unit is coupled to the pressing unit body 130 and is disposed to protrude in the vertical direction. The pressing roller 122 is rotatably coupled to the fixed shaft 121 for the pressing unit and contacts the side wall of the transported object to pressurize the side wall of the transported object.

Specifically, as described above, the conveyed object pressurizing unit 110 moves in a direction approaching the central area of the transported object in the process of being lowered together with the transported object. Therefore, the pressure roller 122, which is positioned at a predetermined distance from the side wall of the conveyed object before the conveyed object contacts the conveyed object 140, moves the conveyed object during the lowering process of the transported object after the transported object pressing unit 110 contacts the transported object. Approach the side wall of the conveyed object and pressurize it.

In this embodiment, the pair of centering pressure mechanisms 100, as shown in detail in FIGS. 1 and 2, are arranged in opposite directions around the diagonal edges of the conveyed object, so that they contact the transported object during the lowering process. Each of the conveyed object pressurizing units 110 moves in a direction approaching the central area of the transported object, that is, in a direction in which the distance between them becomes closer.

As the conveyed object pressurizing unit 110 moves, the centering pressure unit 120 contacts the side wall of the transported object to pressurize the transported object. As described above, as the conveyed object descends, a pair of conveyed object pressurizing units 110 arranged in opposite directions around the diagonal edges of the transported object move in a direction where the distance between them becomes closer, so that the centering pressurizing unit 120 can pressurize the conveyed objects in a direction facing each other from the diagonal edge direction of the conveyed objects.

Therefore, even if the conveyed object is lowered in an eccentric position away from its normal position during the process of lowering the transported object to be supported on the first transported object support part K1 and the second transported object support part K2, the transported object pressurizing unit 110 in contact with the transported object is While descending together with the conveyed object, the side wall of the conveyed object can be pressed through the centering pressure unit 120 to move the transported object to the correct position.

The conveyed object contact portion 140 is supported by the pressurizing unit body portion 130 and contacts the lower wall of the transported object that is lowered to receive the load of the transported object.

As shown in FIGS. 4 to 6, the conveyed material contact portion 140 according to this embodiment is rotatably coupled to the roller bracket 141 coupled to the pressing unit body 130 and the roller bracket 141. and includes a rotating ball 142 that contacts the lower wall of the conveyed object.

The rotating ball 142 is provided in a circular spherical shape. This rotating ball 142 first contacts the lower wall of the conveyed object as it is being lowered, and is rotated during the movement of the transported object pressurizing unit 110 as it approaches the central area of the transported object due to the continued descent of the transported object, It facilitates the relative movement of the transported object pressurizing unit 110 with respect to the transported object. In this embodiment, three conveyed object contact portions 140 are provided as shown in detail in FIGS. 4 to 6. However, the scope of the present invention is not limited by this, and the conveyed object contact portions 140 may be provided in various numbers. .

In this embodiment, as shown in FIGS. 4 to 10, most of the body of the rotating ball 142 is disposed inside the roller bracket 141 and only a portion is exposed to the outside.

In this way, the conveyed object centering device according to this embodiment includes a rotating ball 142 that is rotatably coupled to the roller bracket 141 and contacts the lower wall of the transported object, thereby reducing the contact area with the transported object pressing unit 110. The amount of particles generated can be minimized.

Meanwhile, the conveyed object pressurizing unit 110 is connected to the movement guide unit 160 to enable relative movement. This moving guide unit 160 moves the conveyed object pressurizing unit 110, which descends together with the transported object, in a direction toward and away from the central area of the transported object.

In this embodiment, the mobile guide unit 160 is supported on the first pedestal M1 and is disposed inside the guide unit body 161 and the guide unit body 161 provided with a hollow interior, and pressurizes the conveyed material. It includes a guide portion 170 that is connected to the unit 110 and guides the relative movement of the conveyed material pressurizing unit 110 with respect to the guide unit body portion 161.

The guide unit body portion 161 is supported on the first pedestal (M1). This guide unit body portion 161 is provided in a ramp shape to easily guide the diagonal movement of the conveyed material pressurizing unit 110.

The interior of the guide unit body 161 is hollow, and the upper area of the guide unit body 161 is open.

The guide portion 170 is disposed inside the guide unit body portion 161. This guide unit 170 is connected to the conveyed object pressurizing unit 110 and guides the relative movement of the transported object pressurizing unit 110 with respect to the guide unit body portion 161.

In this embodiment, the guide unit 170 is a guide that is coupled to the moving block 171 connected to the conveyed material pressurizing unit 110 and the guide unit body 161 so that the moving block 171 can be slidably moved. A fixed block 173 coupled to the rod 172 and the outer peripheral surface of the guide rod 172, supported on the fixed block 173 and connected to the moving block 171, elastically presses the moving block 171. It includes an elastic body 174 for the pressurizing unit and linear bush parts 175 and 176 that guide the movement of the conveyed object pressurizing unit 110.

The guide rod 172 is formed in a circular rod shape with a predetermined length. This guide rod 172 is arranged in a diagonal direction and is coupled to the guide unit body 161.

The fixed block 173 is formed in the shape of a pipe with a hollow central area, as shown in FIGS. 10 and 11. The guide rod 172 penetrates the central area of the fixed block 173, and the fixed block 173 is coupled to the outer peripheral surface of the guide rod.

The moving block 171 is formed in the shape of a pipe with a hollow central area, as shown in FIGS. 10 and 11. The guide rod 172 penetrates the central area of this fixed block 173. Additionally, the moving block 171 is slidably connected to the outer peripheral surface of the guide rod 172. In this embodiment, the moving block 171 is connected to the conveyed object pressurizing unit 110 and moves together with the transported object pressing unit 110, which receives the load of the transported object and descends.

The elastic body 174 for the pressing unit is provided as a coil spring. One end of the elastic body 174 for the pressing unit is supported by the fixed block 173, and the other end is connected to the moving block 171 to elastically press the moving block 171.

As shown in detail in FIGS. 10 and 11, the elastic body 174 for the pressing unit of this embodiment is disposed in a diagonal direction like the guide shaft 176 and elastically presses the moving block 171, thereby allowing the conveyed object to move. After being removed, the conveyed object pressurizing unit 110, which was lowered together with the transported object, is returned to its original position.

The linear bush parts 175 and 176 guide the movement of the conveyed material pressurizing unit 110. As shown in FIG. 9, these linear bush parts 175 and 176 are coupled to the ball bush 175 coupled to the conveyed material pressurizing unit 110 and the guide unit body part 161 and the ball bush 175. It includes a guide shaft 176 that is connected to enable sliding movement.

The guide shaft 176 is provided in the shape of a circular bar and is arranged diagonally to move the conveyed object pressurizing unit 110 in the vertical direction and in the direction in which the transported object pressurizing unit 110 approaches and moves away from the central area of the transported object. Guides movement to .

The ball bush 175 is slidably connected to the outer peripheral surface of the guide shaft 176. The pressing unit body portion 130 is coupled to this ball bush 175. A through hole through which the guide shaft 176 passes is formed in the ball bush 175 of this embodiment, and a plurality of ball rotating bodies (not shown) are rotatably coupled to the inner wall of the through hole. In this embodiment, the ball rotating body (not shown) is in contact with the outer peripheral surface of the guide shaft 176.

Meanwhile, the guide shielding unit 180 shields the guide unit 170 from the transported object to prevent particles generated in the guide unit 170 from scattering in the direction of the transported object. This guide shielding unit 180 is connected to the pressurizing unit body 130 and is disposed in the upper area of the guide part 170.

The guide shield unit 180 includes a front shield 181 coupled to the guide unit body 161, and a rear shield coupled to the guide unit body 161 and spaced apart from the front shield 181. Includes part 182.

The front shield 181 is provided in a plate shape with a predetermined area. This front shielding portion 181 is disposed in the front area of the guide unit body portion 161 and shields the guide portion 170 before the conveyed material is loaded.

The rear shield 182 is provided in a plate shape with a predetermined area. This rear shield 182 is disposed in the rear area of the guide unit body 161 and shields the guide unit 170 when the conveyed material is loaded and the conveyed material pressurizing unit 110 moves diagonally.

Hereinafter, the operation of the conveyed material centering device according to this embodiment will be described with reference to FIGS. 1 to 11.

The conveyed object descends in the upper area of the first conveyed object support (K1) and the second conveyed object support (K2) to be supported by the first conveyed object support (K1) and the second conveyed object support (K2). At this time, the upper area of the guide unit 170 is shielded by the front shield 181 and the conveyed material pressurizing unit 110.

For centering of the descending conveyed object, the conveyed object pressurizing unit 110 is in contact with the transported object. The conveyed object pressurizing unit 110 in contact with the transported object descends together with the transported object and moves in a direction to approach the central area of the transported object. The movement of the conveyed material pressurizing unit 110 is guided by the movement guide unit 160.

As the conveyed object pressurizing unit 110 moves, the centering pressurizing unit 120 provided in the conveyed object pressurizing unit 110 presses the side wall of the transported object and moves the transported object, which is eccentric and descending from its original position, to the correct position.

At this time, the upper area of the guide unit 170 is shielded by the rear shield 182 and the conveyed material pressurizing unit 110.

Thereafter, the centering-completed conveyed object is stably seated on the first conveyed object support part K1 and the second transported object support part K2 by the pressure of the centering pressurizing part 120.

Conveyances that have completed the necessary work are moved to the next process. The conveyed object is removed from the first transported object support part K1 and the second transported object support part K2 by a hoist unit (not shown) or a separate robot (not shown).

When the conveyed object is removed, the transported object pressing unit 110 returns to its original position by the elastic force of the elastic body 174 for the pressing unit 174 provided in the movement guide unit 160. The movement of the conveyed material pressurizing unit 110 during this return process is also guided by the movement guide unit 160.

In this way, the conveyed object centering device according to the present embodiment includes a conveyed object pressing unit 110 provided on one side with a centering pressurizing unit 120 that receives the load of the transported object and presses the side wall of the transported object, and the transported object pressing unit 110. A guide shielding unit 180 is provided to prevent particles generated from the guide unit 170 from scattering in the direction of the conveyed object by shielding the guide portion 170, which moves it in a direction approaching and away from the central area of the conveyed object, against the conveyed object. By providing this, centering of the conveyed object can be performed without a separate power source such as pneumatic or electric power, and particles generated during the centering process can be prevented from scattering in the direction of the conveyed object.

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

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

100: Centering pressurizing mechanism 110: Conveyed object pressurizing unit
120: Pressure unit for centering 121: Fixed shaft for pressurization unit
122: Pressure roller 130: Pressure unit body part
140: Conveyed object contact part 141: Roller bracket
142: Rotating ball 160: Movement guide unit
161: Guide unit body 170: Guide part
171: moving block 172: guide rod
173: Fixed block 174: Elastic body for pressurizing unit
175: ball bush 176: guide shaft
180: Guide shielding unit 181: Front shielding unit
182: Rear shield K1: First conveyed object support portion
K2: Second conveyed object support M1: First pedestal
M2: Second stand

Claims (14)

A conveyed object pressurizing unit provided on one side of a centering pressurizing portion that receives the load of the conveyed object and presses the side wall of the transported object for centering work on the conveyed object;
A moving guide unit connected to the conveyed object pressurizing unit to enable relative movement, and having a guide portion that moves the conveyed object pressurizing unit, which receives the load of the conveyed object and is lowered, in a direction toward and away from the central area of the transported object; and
A conveyed object centering device that is coupled to the conveyed object pressurizing unit and includes a guide shielding unit that shields the guide portion from the transported object to prevent particles generated from the guide portion from scattering in the direction of the transported object. According to paragraph 1,
The moving guide unit is,
A conveyed object centering device that has a hollow interior and includes a guide unit body portion in which the guide portion is disposed. According to paragraph 2,
The guide part,
A moving block connected to the conveyed material pressurizing unit; and
A centering device for transported objects including a guide rod coupled to the guide unit body and connected to the moving block so as to enable sliding movement. According to paragraph 3,
The guide part,
A fixing block coupled to the outer peripheral surface of the guide rod; and
A conveyed object centering device further comprising an elastic body for a pressing unit supported on the fixed block and connected to the moving block, and elastically pressing the moving block. According to paragraph 3,
The guide part,
A conveyed object centering device further comprising a linear bush portion that guides the movement of the conveyed object pressurizing unit. According to clause 5,
The linear bush part,
A ball bush coupled to the conveyed material pressurizing unit; and
A conveyed object centering device that is coupled to the guide unit body and includes a guide shaft to which the ball bush is slidably connected. According to paragraph 2,
The guide shielding unit is,
A conveyed object centering device connected to the guide unit body and disposed in an upper area of the guide unit. In clause 7,
The guide shielding unit,
A front shield coupled to the guide unit body; and
A conveyed object centering device that is coupled to the guide unit body and includes a rear shield disposed to be spaced apart from the front shield. According to paragraph 1,
The conveyed material pressurization unit,
A pressurizing unit body portion supporting the centering pressurizing unit; and
A conveyed object centering device that is supported on the pressurizing unit body and includes a conveyed object contact portion that contacts a lower wall of the conveyed object to receive the load of the conveyed object. According to clause 9,
The pressurizing part for centering is,
A fixed shaft for the pressurizing unit fixed to the pressurizing unit body; and
A conveyed object centering device rotatably coupled to the pressurizing unit fixed shaft and including a pressurizing roller in contact with a side wall of the conveyed object. According to clause 9,
The centering press portion is provided in a pair, and the centering press portion is arranged to be spaced apart by a predetermined distance. According to clause 9,
The conveyed object contact part is,
A roller bracket coupled to the pressurizing unit body; and
A conveyed object centering device rotatably coupled to the roller bracket and including a rotating ball in contact with a lower wall of the transported object. According to paragraph 1,
a first support on which the movement guide unit is supported; and
The conveyed object centering device is supported on the first pedestal and disposed to be spaced apart from the movement guide unit by a predetermined distance, and further includes a first transported object support portion that supports the transported object. According to clause 13,
a second pedestal disposed at a predetermined distance from the first pedestal; and
It is supported on the second pedestal and further includes a second conveyed object support portion supporting the conveyed object,
The conveyed object centering device is characterized in that the upper end of the first transported object support portion and the upper end of the second transported object support portion that contacts the lower wall of the transported object are located on the same plane.

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