KR100805030B1 - Shape measuring apparatus - Google Patents

Shape measuring apparatus Download PDF

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Publication number
KR100805030B1
KR100805030B1 KR1020060119909A KR20060119909A KR100805030B1 KR 100805030 B1 KR100805030 B1 KR 100805030B1 KR 1020060119909 A KR1020060119909 A KR 1020060119909A KR 20060119909 A KR20060119909 A KR 20060119909A KR 100805030 B1 KR100805030 B1 KR 100805030B1
Authority
KR
South Korea
Prior art keywords
measurement
shape
measuring
holder
support pin
Prior art date
Application number
KR1020060119909A
Other languages
Korean (ko)
Inventor
김태효
한상빈
허시명
Original Assignee
주식회사 포스코
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 포스코 filed Critical 주식회사 포스코
Priority to KR1020060119909A priority Critical patent/KR100805030B1/en
Application granted granted Critical
Publication of KR100805030B1 publication Critical patent/KR100805030B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0032Arrangements for preventing or isolating vibrations in parts of the machine
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups
    • G01B21/02Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups for measuring length, width, or thickness
    • G01B21/04Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups for measuring length, width, or thickness by measuring coordinates of points
    • G01B21/047Accessories, e.g. for positioning, for tool-setting, for measuring probes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups
    • G01B21/20Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups for measuring contours or curvatures, e.g. determining profile
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/30Supports specially adapted for an instrument; Supports specially adapted for a set of instruments

Abstract

A shape measuring apparatus is disclosed.
Shape measurement apparatus disclosed is a cradle on which the measurement object is mounted; A measuring unit measuring a measurement object placed on the holder; And a shape corresponding variable part configured to vary in a shape corresponding to the shape of the measurement object mounted on the holder, and pressurize the measurement object at a predetermined pressure.
According to the shape measurement apparatus disclosed, the reliability of the measurement result for the measurement object can be improved, there is an advantage that the time required for the measurement can be shortened.

Description

Shape measuring apparatus

1 is a side view schematically showing a shape measuring apparatus according to an embodiment of the present invention.

FIG. 2 is an enlarged vertical cross-sectional view of part A shown in FIG. 1. FIG.

Figure 3 is a side view showing a state that the measurement is made for the measurement object in the shape measuring device according to an embodiment of the present invention.

4 is a vertical cross-sectional view showing the operation of the shape-corresponding variable part at the time of measuring the measurement object in one embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

10: shape measuring device 11: cradle

20: measuring part 30: fixing part

100: shape corresponding variable portion 101: support pin

102: engaging projection 103: spring

104: pin hole forming portion 105: locking jaw

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shape measuring apparatus, and in particular, to a shape measuring apparatus that can be used for measuring a three-dimensional shape of a thin sheet molded product.

The shape measuring device is a device that measures a three-dimensional image of a measurement object, for example, a thin-plate molded product, so that the quality of the measurement object can be evaluated according to the measurement result.

The shape measuring device mounts a measurement object on the top of the cradle, and measures a 3D image of the measurement object by using a contact or non-contact measurement device. In the measuring device, a contact type includes a micro contact method using a probe.

The measurement object mounted on the shape measuring device may have various shapes, may have severe bending, and may be easily deformed even in a small external force, such as in the case of a thin plate.

However, in the conventional shape measuring apparatus, even by the micro contact method by the probe, the deformation and the vibration caused by the contact of the probe with a measurement object such as a thin plate or the like could not be prevented. Therefore, there is a disadvantage in that the generation of such deformations and vibrations results in inaccurate data, which may lower the reliability of the measurement result on the measurement object.

In addition, in the conventional shape measuring apparatus, the operation of fixing the measurement object to the holder is not easy, and there is a disadvantage that the operation takes a long time.

An object of the present invention is to provide a shape measuring device having a structure capable of preventing deformation and vibration of a measurement object during measurement.

Another object of the present invention is to provide a shape measuring apparatus that can reduce the time required for the measurement of the measurement object.

Shape measuring apparatus according to an aspect of the present invention is a cradle on which a measurement object is mounted; A measuring unit measuring a measurement object placed on the holder; And a shape corresponding variable part configured to vary in a shape corresponding to the shape of the measurement object mounted on the holder, and pressurize the measurement object at a predetermined pressure.

According to the shape measuring device according to the present invention, the shape corresponding variable part is provided in the holder, and deformed into a shape corresponding to the shape of the measurement object, and can press the measurement object to a suitable pressure within a predetermined range. Therefore, the deformation and vibration generated by the measuring portion contacting the measuring object such as the thin plate can be prevented. Therefore, since the accuracy of the data to be measured can be improved, the reliability of the measurement result on the measurement object can be improved.

In addition, according to the shape measuring device, by the fixing part is installed in the holder, by a simple operation for switching the switching part forming the fixing part, the measurement object mounted on the holder can be fixed firmly. Therefore, the time required for fixing the measurement object to the holder can be shortened. In addition, since the measurement object is firmly fixed to the holder, the position of the measurement object of the mounting object is fixed, and the reliability of the measurement result may be improved.

Hereinafter, a shape measuring apparatus according to an embodiment of the present invention will be described with reference to the drawings.

1 is a side view schematically showing a shape measuring apparatus according to an embodiment of the present invention.

Referring to FIG. 1, the shape measuring apparatus 10 according to the present exemplary embodiment includes a holder 11, a measuring part 20, a fixing part 30, and a shape corresponding variable part 100.

The cradle 11 is a portion on which a measurement object such as a thin plated product is mounted. The fixing part 30 is installed at the top of the holder 11.

The fixing part 30 includes a contact part 31 and a switching part 32 to fix the measurement object mounted on the holder 11 to the holder 11. The contact portion 31 is a portion which is in direct contact with and pressurized with the measurement object mounted on the holder 11, and the switching part 32 allows the contact portion 31 to approach or spaced apart from the measurement object by a rotational motion or the like. Part.

As described above, by the fixing unit 30 is installed in the holder 11, by a simple operation of switching the switching unit 32, the measurement object mounted on the holder 11 can be firmly fixed. have. Therefore, the time required for fixing the measurement object to the holder 11 can be shortened. In addition, since the measurement object is firmly fixed to the holder 11, the position of the measurement object on the holder 11 is fixed, so that the reliability of the measurement result may be improved.

Here, a plurality of fixing parts 30 may be disposed on the holder 11 to be spaced apart from each other at predetermined intervals so that the measurement object may be more firmly fixed to the holder 11.

In addition, in order to minimize damage such as scratches to the measurement object and to prevent slippage with the measurement object, the contact part 31 directly contacting the measurement object may be made of a rubber material.

The measuring unit 20 is disposed in the upper space of the holder 11, and performs the measurement on the measurement object mounted on the holder (11). The measuring unit 20 includes a support 22 and a probe 21.

The support 22 is a portion for supporting the probe 21 to be positioned above the cradle 11. In addition, the probe 21 is a part that contacts the measurement object mounted on the holder 11 and performs measurement on the measurement object.

Here, the measuring unit 20 is presented as a contact type using the probe 21, but this is exemplary. In other words, the measuring unit 20 may be of a non-contact type using a laser, ultrasonic waves, of course.

The shape-corresponding variable part 100 is deformed to correspond to the shape of the measurement object mounted on the holder 11, and is a portion that applies an appropriate pressure within a predetermined range to the measurement object. This will be described later in detail.

FIG. 2 is an enlarged vertical cross-sectional view of part A shown in FIG. 1.

Referring to FIG. 2, the shape corresponding variable part 100 in the present embodiment includes a support pin 101, a spring 103, and a pin hole forming part 104.

The support pin 101 is a part in direct contact with the measurement object mounted on the holder 11. In this embodiment, since the shape-corresponding variable part 100 is presented to be installed in the holder 11, the support pin 101 will be in contact with the bottom surface of the measurement object. In such a contact, the head of the support pin 101 may be formed in a curved shape with a predetermined curvature so that the support pin 101 does not cause damage such as a scratch to the measurement object.

The spring 103 is an elastic member capable of pressing the support pin 101 to a predetermined pressure. When the spring 103 presses the support pin 101, the support pin 101 presses the measurement object. In this embodiment, the spring 103 is presented as an elastic member for pressing the support pin 101, but this is exemplary. That is, various elastic members such as rubber bands can be presented.

The pin hole forming unit 104 provides a portion of the support pin 101 and a space for accommodating the spring 103. The upper end of the pin hole forming part 104 is formed with a hole, the support pin 101 can be moved up and down through the hole.

In this embodiment, the pin hole forming portion 104 is presented as a separate article from the cradle 11, but this is exemplary. That is, the pin hole forming unit 104 may be integrally formed with the holder 11, and according to such a method, the pin hole forming unit 104 may be more easily manufactured.

Meanwhile, a locking protrusion 102 is formed at the lower end of the support pin 101, and a locking jaw 105 is formed at the upper end of the pin hole forming unit 104. The locking protrusion 102 is caught by the locking jaw 105 to limit the upward movement range of the support pin 101. Then, the support pin 101 can be prevented from being separated from the pin hole forming part 104.

The shape corresponding variable part 100 is provided in plural in the holder 11 so as to be spaced apart at predetermined intervals. When the measurement object is in contact with the support pin 101, the support pin 101 is pressed according to the shape of the lower surface of the measurement object, and the pressure is lowered in the pin hole forming part 104 by the pressed amount. By this lowering, the shape-corresponding variable portion 100 is deformed to correspond to the shape of the measurement object mounted on the holder (11).

When each of the plurality of shape corresponding variable parts 100 in contact with each part of the measurement object is deformed to correspond to the shape of the corresponding part of the object to be measured, the plurality of shape corresponding variable parts 100 are entirely in shape of the corresponding measurement object. A corresponding shape is achieved.

In this state, each of the support pins 101 presses the corresponding portion of the measurement object to an appropriate pressure within a predetermined range by the springs 103 of each of the plurality of shape corresponding variable parts 100. The shape-corresponding variable part 100 supports the measurement object at a pressure within a predetermined range of the measurement object.

Appropriate pressure within a predetermined range applied to the measurement object is applied to the lower surface of the measurement object mounted on the holder 11, the measurement object is not deformed, but measured by the probe 21 at the time of measurement It may be a pressure in a range capable of canceling a predetermined portion of the pressure applied to the object.

When configured as described above, the fixing means 30 and the shape-corresponding pressing unit 100 presses the measurement object in opposite directions from both sides, here, upper and lower sides of the measurement object. Therefore, deformation and vibration caused by contact of the probe 21 with a measurement object such as a thin plate can be prevented. Therefore, since the accuracy of the data to be measured can be improved, the reliability of the measurement result on the measurement object can be improved.

3 is a side view showing the measurement of the measurement object in the shape measuring apparatus according to an embodiment of the present invention, Figure 4 is an operation of the shape corresponding variable part at the time of measuring the measurement object in an embodiment of the present invention This is a vertical cross section.

3 and 4, the operation of the shape measuring apparatus according to an embodiment of the present invention will be described.

First, as shown in FIG. 3, the measuring object 1 is placed on the holder 11. At this time, the measurement object 1 is mounted so as to cover the shape-corresponding variable part 100. Then, as shown in FIG. 4, each of the plurality of support pins 101 is pressed against the lower surface of the measurement object 1. Therefore, each of the plurality of shape corresponding variable parts 100 is deformed into a shape corresponding to the shape of the corresponding contact portion of the measurement object 1.

Thereafter, the rotating part 32 of the fixing means 30 is operated so that the contact part 31 presses the edge of the measurement object 1. Then, the measuring object 1 is firmly fixed to the holder 11.

In this state, the measurement unit 20 is driven. That is, the probe 21 contacts each part of the measurement object 1 and measures data of each part. The measured data is transferred to a predetermined control unit (not shown), and serves as a basis for forming a three-dimensional shape of the measurement object 1.

The quality of the measurement object 1 may be evaluated by analyzing a three-dimensional image of the measurement object 1 formed as described above.

On the other hand, when the above measurement is completed, the rotating part 32 is rotated in reverse to release the contact of the contact part 31. Then, when the measurement object 1 is removed, the shape-corresponding variable part 100 is returned to its original state.

According to the shape measuring device according to the present invention configured as described above, the shape-corresponding variable portion is provided in the holder, it can be deformed to the shape corresponding to the shape of the measurement object, it is possible to press the measurement object to a suitable pressure within a predetermined range. . Therefore, the deformation and vibration generated by the measuring portion contacting the measuring object such as the thin plate can be prevented. Therefore, since the accuracy of the measured data can be improved, there is an effect that the reliability of the measurement result for the measurement object can be improved.

In addition, according to the shape measuring device, by the fixing part is installed in the holder, by a simple operation for switching the switching part forming the fixing part, the measurement object mounted on the holder can be fixed firmly. Therefore, the time required for fixing the measurement object to the holder can be shortened. In addition, since the measurement object is firmly fixed to the cradle, the position of the measurement object of the cradle is fixed, and thus the reliability of the measurement result may be improved.

While the invention has been shown and described with respect to specific embodiments thereof, those skilled in the art can variously modify the invention without departing from the spirit and scope of the invention as set forth in the claims below. And that it can be changed. Nevertheless, it will be clearly understood that all such modifications and variations are included within the scope of the present invention.

Claims (7)

  1. In the shape measuring device having a cradle to which the measurement target is mounted, and a measuring unit for measuring the measurement target mounted on the holder,
    And a shape corresponding variable part configured to vary in a shape corresponding to the shape of the measurement object mounted on the holder, and pressurize the measurement object at a predetermined pressure.
    The shape-corresponding variable portion may be arranged in plural to be in contact with the bottom surface of the measurement object, and may be movable according to the shape of the bottom surface of the measurement object, an elastic member for pressing the support pin, and a pin hole for receiving the support pin. It is provided with a formation part, The shape measuring apparatus characterized by the above-mentioned.
  2. delete
  3. The method of claim 1,
    The support pin and the pin hole forming portion is engaged with each other shape measurement device, characterized in that the locking projection and the locking projection is formed to limit the moving range of the support pin.
  4. The method of claim 1,
    The pin hole forming portion and the cradle is molded together.
  5. The method of claim 1,
    The head of the support pin is a shape measuring device, characterized in that to form a curved shape with a predetermined curvature.
  6. The method of claim 1,
    Shape measuring device further comprises a fixing means for fixing the measurement object to the holder.
  7. The method of claim 6,
    And the fixing means and the shape-corresponding pressing portion press the measurement object in opposite directions from both sides of the measurement object.
KR1020060119909A 2006-11-30 2006-11-30 Shape measuring apparatus KR100805030B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020060119909A KR100805030B1 (en) 2006-11-30 2006-11-30 Shape measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060119909A KR100805030B1 (en) 2006-11-30 2006-11-30 Shape measuring apparatus

Publications (1)

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KR100805030B1 true KR100805030B1 (en) 2008-02-20

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Application Number Title Priority Date Filing Date
KR1020060119909A KR100805030B1 (en) 2006-11-30 2006-11-30 Shape measuring apparatus

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101942934B1 (en) * 2017-08-16 2019-01-28 주식회사 포스코 A specimen examination apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900000330Y1 (en) * 1986-10-23 1990-01-30 권혁조 Printed circuit board fixing for circuit line testing
JPH0464296A (en) * 1990-07-04 1992-02-28 Matsushita Electric Ind Co Ltd Board holding and securing device
KR980004479A (en) * 1996-06-27 1998-03-30 배순훈 Sensitivity measurement device of optical pick-up actuator
KR20020083510A (en) * 2001-04-27 2002-11-02 가부시키가이샤 요코오 Spring connector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900000330Y1 (en) * 1986-10-23 1990-01-30 권혁조 Printed circuit board fixing for circuit line testing
JPH0464296A (en) * 1990-07-04 1992-02-28 Matsushita Electric Ind Co Ltd Board holding and securing device
KR980004479A (en) * 1996-06-27 1998-03-30 배순훈 Sensitivity measurement device of optical pick-up actuator
KR20020083510A (en) * 2001-04-27 2002-11-02 가부시키가이샤 요코오 Spring connector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101942934B1 (en) * 2017-08-16 2019-01-28 주식회사 포스코 A specimen examination apparatus

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