KR102110216B1 - A moving device for test specimen for precise grinding - Google Patents

Abstract

The present invention relates to a sample transfer device for precision polishing, for precision polishing that can precisely control the position of the sample with respect to the polishing surface or the friction surface of the polishing device, so that the surface of the sample can be polished in a micron-unit furnace thickness. It relates to a sample transfer device.
The present invention for achieving this object, the holder to be attached to the lower surface of the sample to be polished; The holder is movable in the vertical direction, the lower surface is formed with an open receiving space, the main body for receiving the holder; A transfer unit disposed on the main body and in contact with the holder to move the holder inside the main body to adjust the height of the holder inside the main body; Provided in the main body and provides a sample transfer device for precision polishing, characterized in that it comprises a holder support unit that protrudes from the inner wall surface of the receiving space to the inside of the receiving space and contacts the side of the holder to support the holder.

Description

A moving device for test specimen for precise grinding}

The present invention relates to a sample transfer device for precision polishing, for precision polishing that can precisely control the position of the sample with respect to the polishing surface or the friction surface of the polishing device, so that the surface of the sample can be polished in a micron-unit furnace thickness. It relates to a sample transfer device.

If the surface of the sample needs to be precisely processed for a sample of a size smaller than the nail, that is, when the surface of the sample needs to be polished by adjusting the depth or thickness in microns, it is impossible to control the thickness or depth in a typical test site. It had to be entrusted to outsourcing.

For this reason, cost or time is remarkably consumed, and there is a problem in that work efficiency is reduced.

The present invention is provided to solve such a problem, and to provide a precision polishing sample transfer device capable of precisely controlling the position of the sample with respect to the polishing surface or the friction surface of the polishing device, so that the surface of the sample can be precisely polished. It has a purpose.

The present invention for achieving this object, the holder to be attached to the lower surface of the sample to be polished; The holder is movable in the vertical direction, the lower surface is formed with an open receiving space, the main body for receiving the holder; A transfer unit disposed on the main body and in contact with the holder to move the holder inside the main body to adjust the height of the holder inside the main body; Provided in the main body and protruding from the inner wall surface of the receiving space in the direction of the receiving space, and provides a sample transfer device for precision polishing, characterized in that it comprises a holder support unit for supporting the holder in contact with the side of the holder.

In addition, it is characterized in that it further comprises a reference surface protection unit provided on the lower surface of the main body, surrounding the opening of the receiving space, preventing the friction device from contacting the lower surface of the main body.

The outer peripheral surface of the main body is characterized in that a non-slip portion provided in the form of a projection is provided to prevent slipping when the user grips.

The transfer unit; A body part disposed in an outer space above the main body; A moving part connected to the body part and provided to be able to move in the vertical direction through the upper surface of the body; It is connected to the end of the moving portion and is disposed in the receiving space of the main body and connected to a supporting plate and a supporting plate that moves according to the movement of the moving portion, and is provided in the body portion, and a supporting leg portion supporting the holder in close contact with the upper surface of the holder. A driving unit connected to the moving unit to provide a driving force for moving the moving unit in the vertical direction; It characterized in that it comprises a button portion provided on the surface of the body portion to control the operation of the moving portion and the driving portion.

A plurality of insertion holes in which the holder support unit is accommodated is provided on an inner wall surface of the accommodation space of the main body, and a plurality of holder support units are respectively installed in each of the plurality of insertion holes, and the holder support unit includes a support unit body portion, An elastic member disposed behind the support unit body; It is provided at the front end of the support unit body portion, it is characterized in that it comprises a contact portion protruding out of the insertion hole to contact the side of the holder.

The contact portion is characterized by consisting of a hemispherical member or a roller or ball.

According to the present invention, it is possible to turn or polish a sample to a precise thickness. This is because the electric micrometer can be operated.

On the other hand, in the present invention, since the support unit presses the side of the holder, the holder can maintain the initial insertion position unless the holder is moved up and down by external force. Thereby, unexpected movement of the holder is suppressed, and polishing stability is secured.

In addition, since there is a reference surface protection unit, damage to the reference surface is prevented in the polishing process, and accuracy and precision of the processed thickness can be ensured.

1 is a perspective view of the present invention.
2 is an exploded perspective view of the present invention.
3 is a perspective view of the transfer unit and the holder in the present invention.
4 is a perspective view of the main body, the support unit, and the reference surface protection unit in the present invention.
5 and 6 are perspective views showing a state in which the holder is supported by the support unit in the present invention and a relative arrangement relationship with the transfer unit.
7 is an operational state diagram of the present invention.

The present invention can be applied to various changes and can have various embodiments, and specific embodiments will be illustrated and described in the drawings.

However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms including ordinal numbers such as first and second may be used to describe various components, but the components are not limited by the terms.

The terms are used only for the purpose of distinguishing one component from other components.

For example, the second component may be referred to as a first component without departing from the scope of the present invention, and similarly, the first component may also be referred to as a second component.

The term and / or includes a combination of a plurality of related described items or any one of a plurality of related described items.

When an element is said to be "connected" or "connected" to another component, it is understood that other components may be directly connected to or connected to the other component, but there may be other components in between. It should be.

On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that no other component exists in the middle.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention.

Singular expressions include plural expressions unless the context clearly indicates otherwise.

In this application, terms such as “include” or “have” are intended to indicate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, one or more other features. It should be understood that the existence or addition possibilities of fields or numbers, steps, operations, components, parts or combinations thereof are not excluded in advance.

 Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings, but the same or corresponding components are assigned the same reference numbers regardless of reference numerals, and redundant descriptions thereof will be omitted.

As shown in FIG. 1, the sample transfer device for precision polishing according to the present invention (hereinafter referred to as a 'transfer device') 1 has a body 100 having a cylindrical shape of a multilayer having the same outer diameter and a body ( 100) It includes a transfer unit 200 provided on the top.

The transfer unit 200 is provided with a driving unit (not shown) driven by electricity such as a motor therein to provide a driving force for moving the holder 400 accommodated in the main body.

In order to provide power, the main body is provided with a wire 130 connected to the transfer unit 200 and a plug 140.

The main body 100 includes an upper main body 110 having a relatively small outer diameter, and a lower main body 120 provided below and having a relatively large outer diameter. However, the shape is not limited to this because it can be freely deformed.

The transfer unit 200 includes a body portion 210 in the form of a handle that can be held by a user, and a moving portion 230 provided at a lower portion of the body portion 210, and the moving portion 230 includes an upper body ( It extends through the central portion of 110) to the inside.

On the outer circumferential surfaces of the upper body 110 and the lower body 120, irregularities are provided, such as a plurality of protruding ribs or grooves formed in the vertical direction. It becomes wealth (111, 121).

On the other hand, a battery (not shown) is preferably provided inside the transfer unit 200 to charge power, and a battery remaining amount display unit 112 for displaying the remaining amount of the battery may be provided on the upper surface of the upper body 110. .

In addition, a reset button 113 is provided on the upper surface of the upper body 110 to return the position of the moving part 230 of the transfer unit 200 to an area spaced apart from the battery level display part 112, and on the one hand A moving distance display unit 114 is provided to indicate how much the descending position of the unit 230 is lowered from the reference height.

Here, the transfer unit 200 is a type of electric micrometer and an electric transfer device, which can move an object (for example, a holder) in contact with the transfer unit 200 in microns, and display the distance of movement. It is a device that can do it.

The surface of the body unit 210 of the transfer unit 200 is provided with a button unit 220 that can issue a command to move the moving unit 230 in the vertical direction, the button unit 220 is an upward button 221 And a down button 222 and an on / off button 223.

2 and 3, a receiving space 122 having a lower opening is formed inside the main body 100, and the receiving space extends vertically across the upper main body 110 and the lower main body 120. It is formed, it is preferable that the receiving space is provided as a cylindrical space suitable for its shape so that the holder 400 of the cylindrical shape can be accommodated.

A lower portion of the moving unit 230 of the transfer unit 200 is provided with a supporting plate 240 and a plurality of supporting legs 250 extending downward from a lower surface of the supporting plate 240. When the support legs 250 are plural, the force pushing the holder 400 is evenly distributed, so that it cannot be biased on either side.

Meanwhile, a member such as a magnet may be provided on the support leg 250 to be attached to the metallic holder 400.

The upper surface of the support plate 240 is connected to the lower end of the moving part 230, and the support leg 250 is provided in close contact with the upper surface of the holder 400.

In the upper region of the accommodation space 122, a lower portion of the moving part 230, a supporting plate 240, and a supporting leg 250 are located, and a holder 400 is positioned under the supporting leg 250.

In the case of assembling the transfer unit 200, the module in which the supporting plate 240 and the supporting leg 250 are combined is placed in the receiving space 122, and the moving part 230 is moved from the main body 100 outside the upper body ( 110) It is inserted into the center hole formed in the center, so that the lower end of the moving part 230 and the upper surface of the support plate 240 are combined.

For this purpose, although not shown, it is preferable that the lower portion of the support plate 240 and the moving part 230 has a coupling structure (not shown) that is engaged with or fastened to each other.

To the lower surface 420 of the holder 400, a sample 500 in the form of a small piece to be subjected to precision polishing is attached and fixed. Here, the sample 500 has no choice but to protrude finely downward from the lower surface of the holder 400, no matter how thin a piece is.

On the other hand, as shown in Figures 2 and 4, the main body 100, so that the holder 400 does not move freely in the state accommodated in the accommodation space 122, but can only move when an external force is applied by the transfer unit 200 ), A support unit 300 capable of supporting the holder 400 is provided, and the support unit 300 is accommodated in the insertion hole 123 formed in the accommodation space 122 of the main body 100. It is in close contact with the outer circumferential side surface 430 of the holder 400 in a multi-point support form to suppress free movement of the holder 400.

As shown in Figure 4, the support unit 300 is provided in plural, it is preferable that each is inserted into the insertion hole (123).

The insertion hole 123 is regularly arranged in a plurality of columns and a plurality of rows along the circumference of the inner wall surface of the accommodation space 122, and is preferably arranged in a form surrounding the outer circumferential side wall of the holder 400.

On the other hand, the support unit 300 is inserted into the insertion hole 123 is accommodated is provided in the rear of the support unit body portion 310 of the cylindrical shape, and the support unit body portion 310 elastic to the support unit body portion 310 It includes an elastic member 330 providing a restoring force, and a contact portion 320 provided in front of the support unit body portion 310 to make point contact or rolling contact with the outer circumferential side wall surface of the holder 400.

Here, the contact part 320 is preferably composed of a hemispherical member, or a spherical member, or a member such as a roller or a ball, and the side shape of the contact part 320 and the support unit body part 310 is shaped like a bullet. It is desirable to be.

The elastic member 330 is disposed inside the insertion hole 123 and supported by the inner wall of the insertion hole 123 to provide elastic force that the support unit body 310 and the contact portion 320 push toward the accommodation space 122. And, it serves to limit the support unit body 310 and the contact portion 320 is pushed by the holder 400.

On the other hand, as shown in Figures 2 and 4, the lower surface of the main body 100 is provided with a reference plate protection unit 150 in the form of a ring plate, and in order to install it, the lower surface of the lower body 120 has a reference surface protection unit ( A ring-shaped fixing groove 124 is provided so that the shape of 150) is inserted and fixed.

When the specimen is polished, the lowermost surface of the main body 100 becomes the reference surface. When the reference surface is worn, the height of the reference surface is changed, and thus the data accuracy for the polishing thickness is significantly reduced.

The reference surface protection unit 150 is a kind of shield member for preventing the lower surface of the main body 100 from being worn as described above, and is preferably composed of a wear-resistant member (for example, ceramic).

5 and 6, when a plurality of support units 300 are provided and support a plurality of outer circumferential side surfaces of the holder 400, the holder 400 of the holder 400 is provided by the above elastic support force and the contact support force of the contact part 320 as described above. The position can be fixed.

5, the support leg 250 of the mobile unit 200 is disposed in close contact with the upper surface 410 of the holder 400 in the state in which the main body 100 is not shown, and the plurality of support units 300 are also disposed. The end of the contact portion 320 shows that the outer circumferential side wall of the holder 400 is pressed and supported at a plurality of points, and FIG. 6 shows the support unit 300 in a state in which the holder 400 is accommodated inside the body 100. ), The outer circumferential side wall is pressed, the vertical position thereof is fixed, and the transfer unit 200 is installed in the main body 100 to connect or closely contact the holder 400.

Since the point contact with the holder 400 by the support unit 300 is in a large number of states, the position is fixed in a state in which no external force is applied, but when the external force to move upward or downward is applied, the holder 400 is applied accordingly. Move up or down.

Hereinafter, the operation of the present invention will be described. As shown in Fig. 7 (a), when the user presses the reset button (see Fig. 1, 113), the moving part 230 is raised by the operation of the driving part (not shown), and connected to the moving part 230 The supporting plate 240 is in contact with the ceiling of the accommodation space.

If the holder 500 has not yet been accommodated in the accommodation space, the support unit body portion 310 and the contact portion 320 of the support unit 300 protrude substantially inside the accommodation space.

In this state, when the sample 500 is attached to the lower surface, the cylindrical holder 400 is inserted and pressed, the upper surface of the holder 400 is inserted into the receiving space until it contacts the support leg 250.

Since the contact portion 320 is composed of a ball or a roller, a spherical member, or the like as described above, the movement of the holder 400 is made smooth.

Then, the contact portion 320 and the support unit body portion 310 are pushed back, and the elastic member 330 in the form of a coil spring is compressed. Since the support unit 300 pushes the outer wall surface of the holder 400 in a plurality of areas by the force pushed by the elastic member 330 by the elastic restoring force, the holder 400 is prevented from falling freely or descending without external force. .

In this state, when the main body 100 is placed on the polishing surface 600, the sample 500 attached to the holder 400 is still separated from the polishing surface 600, and the reference surface protection unit 150 is polished. It adheres to 600.

 As shown in Figure 7 (b), when the user operates the transfer unit 200 by operating the button unit 220, the moving unit 230, the support plate 240, and the support leg 250 of The holder 400 descends by the downward movement, and the sample 500 approaches the polishing surface 600.

In addition, the moving distance display unit 114 shown in FIG. 1 displays how much the moving distance (or the thickness or distance protruding outward from the reference surface) relative to the reference plane height.

In this state, the main body 100 containing the holder 400 to which the sample 500 is attached is placed on the polishing surface 600, holding the main body 100 tightly, and driving the polishing apparatus to rotate the polishing surface 600. By performing the polishing operation, the sample 500 is polished or turned to the desired fine thickness, thereby enabling precise processing to the desired fine thickness.

As described above, the present invention has been described with reference to the embodiment shown in the drawings, but this is only for explaining the invention, and those skilled in the art to which the present invention pertains various modifications or equivalents from the detailed description of the invention It will be understood that one embodiment is possible.

Therefore, the true scope of the present invention should be determined by the technical spirit of the claims.

100: main body 200: transfer unit
300: support unit 400: holder
500: sample

Claims (6)

A holder to which a sample to be polished is attached to its lower surface;
The holder is movable in the vertical direction, the lower surface is formed with an open receiving space, the main body for receiving the holder;
A transfer unit disposed on the main body and in contact with the holder to move the holder inside the main body to adjust the height of the holder inside the main body;
It is provided in the main body and includes a holder support unit that protrudes from the inner wall surface of the accommodation space to the inside of the accommodation space and contacts the side of the holder to support the holder.
It is provided on the lower surface of the main body, surrounds the opening of the receiving space, and further comprises a reference surface protection unit made of a wear-resistant material to prevent the friction device from contacting the lower surface of the body,
The transfer unit;
A body portion disposed in an outer space above the main body;
A moving part connected to the body part and provided to be able to move in the vertical direction through the upper surface of the body;
It is connected to the end of the moving part, is disposed in the receiving space of the main body and is connected to extend downward from the lower surface of the supporting plate and the supporting plate that moves according to the movement of the moving portion, and is in close contact with the upper surface of the holder to support the holder and equally push the holder. A plurality of support leg portions which are distributed so as to
A driving part provided inside the body part and connected to the moving part to provide a driving force for moving the moving part in the vertical direction;
It is provided on the surface of the body portion includes a button portion for controlling the operation of the moving portion and the driving portion,
A plurality of insertion holes in which the holder support unit is accommodated is provided on the inner wall surface of the accommodation space of the body, and the insertion holes are regularly arranged in a plurality of columns and a plurality of rows along the circumference of the inner wall surface of the accommodation space,
A plurality of holder support units are respectively installed in each of the plurality of insertion holes,
The holder support unit includes a support unit body portion and an elastic member disposed behind the support unit body portion; It is provided at the front end of the support unit body portion, and includes a contact portion protruding outward of the insertion hole to be in point contact or rolling contact with the side surface of the holder,
The contact portion is composed of a hemispherical member or a roller,
A sample transfer device for precision polishing, characterized in that a non-slip portion provided in the form of a protrusion is provided on the outer circumferential surface of the main body to prevent slipping when the user grips.

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