KR101817755B1 - Apparatus for inspecting height of parts - Google Patents

Apparatus for inspecting height of parts Download PDF

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Publication number
KR101817755B1
KR101817755B1 KR1020150145417A KR20150145417A KR101817755B1 KR 101817755 B1 KR101817755 B1 KR 101817755B1 KR 1020150145417 A KR1020150145417 A KR 1020150145417A KR 20150145417 A KR20150145417 A KR 20150145417A KR 101817755 B1 KR101817755 B1 KR 101817755B1
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KR
South Korea
Prior art keywords
inspection
probe
component
vertical
driving unit
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Application number
KR1020150145417A
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Korean (ko)
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KR20170045611A (en
Inventor
이준서
Original Assignee
충청대학교 산학협력단
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Priority to KR1020150145417A priority Critical patent/KR101817755B1/en
Publication of KR20170045611A publication Critical patent/KR20170045611A/en
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Publication of KR101817755B1 publication Critical patent/KR101817755B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
    • G01B5/061—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness height gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels

Abstract

Disclosure of the Invention The present disclosure relates to a component height inspection apparatus having a continuous supply and inspection structure for detecting a reference height and an error of a component to determine whether or not the component is defective and increasing the inspection amount per hour, Wherein the first and second receiving grooves are spaced apart from each other by a predetermined interval in a first direction that is a horizontal direction; A horizontal driving unit for reciprocally moving the component receiving table in the first direction so that the first and second receiving grooves are located at the inspected position; A horizontal position sensing unit for sensing that the first and second receiving recesses are located at the inspection position; A probe disposed at an upper portion of the inspection position and selectively moving in a second direction in a vertical direction to measure a height of the inspection target component; A vertical driver for reciprocating the probe in the second direction; A vertical position sensing unit for sensing a position of the probe; And a control unit for operating the horizontal driving unit and the vertical driving unit based on information input from the horizontal position sensing unit and the vertical position sensing unit.

Description

{APPARATUS FOR INSPECTING HEIGHT OF PARTS}

The present disclosure relates to a component height inspection apparatus, and more particularly, to a component height inspection apparatus that detects a reference height and an error of a component to determine whether the component is defective, To a part height inspection apparatus.

Herein, the background art relating to the present invention is provided, and they are not necessarily referred to as known arts.

Generally, mechanical devices or electronic devices are produced by assembling various mechanical parts, and when the external dimensions of the mechanical parts are out of the designed tolerance range, the deterioration of the assembling productivity is greatly influenced.

Accordingly, the makers of the mechanical parts perform the quality inspection process using the measuring equipment in order to selectively remove the mechanical parts exceeding the tolerance.

In general, the measurement equipment can be classified into low-cost passive type and high-priced automatic type. Measuring equipment such as height gauge, dial gauge, vernier caliper and micrometer is used as a passive type. ) Or a contact type (for example, a method using the linear variable differential transformer (LVDT)) measuring instrument is used.

The passive type is mainly adopted by a component maker because of low cost, but it has a limitation on the selection of defective products because it depends on the sampling inspection, not the whole inspection of the parts due to time and cost.

Although the automatic type has an advantage that full inspection can be performed, there is a problem that the manufacturing cost is increased due to the high price.

Therefore, there is a demand for development of a measuring instrument having a contact type measuring instrument which is relatively inexpensive among the automatic type, and in which a component to be inspected is manually inserted and unloaded.

In this regard, Korean Patent Laid-Open Publication No. 1999-0051971 discloses an apparatus for arranging sensors at the upper and lower portions thereof and measuring the thickness and thickness profile of the specimen disposed therebetween. However, the structure for loading and unloading the specimen has not been disclosed.

1. Korean Unexamined Patent Publication No. 1999-0051971

An object of the present invention is to provide a component height inspection apparatus for manually inserting and extracting a component to be inspected, and inspecting the inserted component by contact type measurement means to determine whether or not the component is defective.

It is an object of the present disclosure to provide a component height inspection apparatus in which input and output of a component to be inspected can be continuously performed.

The present invention is not intended to be exhaustive or to limit the scope of the present invention to the full scope of the present invention. of its features).

In order to solve the above-described problem, the present disclosure provides a component accommodating table in which first and second accommodating grooves, in which parts to be inspected are accommodated, are spaced apart from each other by an interval set in a first direction in a horizontal direction; A horizontal driving unit for reciprocally moving the component receiving table in the first direction so that the first and second receiving grooves are located at the inspected position; A horizontal position sensing unit for sensing that the first and second receiving recesses are located at the inspection position; A probe disposed at an upper portion of the inspection position and selectively moving in a second direction in a vertical direction to measure a height of the inspection target component; A vertical driver for reciprocating the probe in the second direction; A vertical position sensing unit for sensing a position of the probe; And a control unit for operating the horizontal driving unit and the vertical driving unit based on information input from the horizontal position sensing unit and the vertical position sensing unit.

The present invention relates to a component height inspection apparatus according to the first aspect of the present invention, comprising: a cushioning portion provided corresponding to both sides of the component receptacle and mitigating an impact generated when the component receptacle is reciprocated in the first direction; The height inspection apparatus is provided as a second invention.

According to the present invention, there is provided an apparatus for inspecting a component height according to the second aspect of the present invention, wherein the controller drives the horizontal driving unit in a state in which it is detected from the vertical position sensing unit that the probe is in the best position in the second direction And driving the vertical driving unit in a state where the first receiving groove or the second receiving groove is detected from the horizontal position sensing unit to be positioned at the inspection position.

The present disclosure relates to a component height inspection apparatus according to the second invention,

And a zero point setting mode in which the first receiving groove accommodating the reference specimen having the predetermined reference height is moved to the inspection position, and the measured value is set to 0 (ZERO) by reciprocating the probe in the second direction A component height inspection apparatus according to the present invention.

The present disclosure provides a component height inspection apparatus according to the fourth invention, wherein the controller detects that the probe is in the best position in the second direction after the zero point setting mode is completed; Moving the second receiving groove to the inspection position; Performing a measurement by reciprocating the probe in the second direction; Comparing the measured height with a predetermined error range to indicate whether the defect is defective; Detecting that the probe is in the best position in the second direction; Moving the first receiving groove to the inspection position; Performing a measurement by reciprocating the probe in the second direction; And comparing the measured height with a predetermined error range to indicate whether or not a defect is detected. The apparatus further includes an inspection mode in which the inspection is repeated in a cyclic manner.

The present invention provides a component height inspection apparatus according to the fifth aspect of the present invention, wherein the component to be inspected is accommodated in a state in which the first and second receiving recesses are not positioned at the inspection position, to provide.

According to a fifth aspect of the present invention, there is provided an apparatus for inspecting a component height according to the fifth aspect of the present invention, wherein the control unit stops the horizontal driving unit and the vertical driving unit when the failure is indicated, To a seventh aspect of the present invention.

According to the present disclosure, since the first and second receiving grooves, in which the parts to be inspected are accommodated, are sequentially moved to the inspection position and inspected by the probe, the inspection and inspections are successively performed, .

According to the present disclosure, since the component receiving table and the probe are driven by the horizontal driving unit and the vertical driving unit based on the information sensed by the horizontal position sensing unit and the vertical position sensing unit, worker safety can be achieved.

FIG. 1 is a reference diagram showing a change in color due to drying progress of a leaf tobacco.
2 is a schematic diagram showing a leaf tobacco drying apparatus according to an embodiment of the present invention.
3 is a block diagram showing a leaf tobacco drying monitoring system according to an embodiment of the present invention.
4 is a block diagram illustrating a leaf tobacco drying monitoring system in accordance with an embodiment of the present invention.

Hereinafter, various embodiments implementing the leaf tobacco drying monitoring system according to the present disclosure will be described with reference to the drawings.

It should be understood, however, that there is no intention to limit the scope of the present disclosure to the embodiments described below, and that those skilled in the art, having the benefit of the teachings of this disclosure, It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention.

In addition, the terms used below are selected for convenience of explanation. Therefore, in order to grasp the technical contents of the present disclosure, they should be interpreted appropriately in accordance with the technical idea of the present disclosure without being limited to the prior meaning.

1 is a view showing an embodiment of a component height inspection apparatus according to the present disclosure.

1, the component height inspection apparatus 100 according to the present embodiment includes a component receiving table 110, a horizontal driving unit 120, a horizontal position sensing unit 130, a probe 140, a vertical driving unit 150 , A vertical position sensing unit 160, and a control unit (C).

The component receptacle 110 is provided so that an inspection object P can be inserted and discharged for inspection by an operator.

To this end, first and second receiving grooves 111 and 112 are disposed on the upper surface of the first receiving groove 111 and are spaced apart from each other by an interval set in the lateral direction (first direction) with reference to FIG. 1, And is formed in a bar shape.

The first and second receiving grooves 111 and 112 can be formed by fastening protrusions on the upper surface of the component receiving table 110 that restrict the movement of the component P to be inspected in the first direction.

Alternatively, the first and second receiving grooves 111 and 112 may be formed as grooves formed on the upper surface of the component receiving member 110.

The horizontal driving unit 120 is configured to reciprocate the component receiving table 110 in the first direction such that the first and second receiving grooves 111 and 112 are positioned at the set inspection position.

The horizontal driving unit 120 may be a pneumatic cylinder.

The set inspection position means a position at which the height of the inspection target part P accommodated by the probe 140 driven by the vertical driving unit 150 can be measured.

The horizontal position sensing unit 130 senses that the first and second receiving recesses 111 and 112 are positioned at the inspection position.

The horizontal position sensing unit 130 may be a known position sensing sensor.

The probe 140 is arranged above the inspection position and selectively moves in the up and down direction (second direction) with reference to FIG. 1 to measure the height of the inspection target part P.

The probe 140 contacts the upper surface of the component P to be inspected to measure the height.

The vertical driving unit 150 is configured to reciprocate the probe 140 in the second direction, and may be provided with a pneumatic cylinder.

Here, since the probe 140 is moved by the vertical driving unit 150, the pressure applied when the probe 140 contacts the upper surface of the component P to be inspected is kept constant. That is, it is possible to prevent the measurement error from occurring due to the change of the contact pressure.

The vertical position sensing unit 160 senses the position of the probe 140. Thereby sensing the height of the component P to be inspected.

As the vertical position sensing unit 160, a known position sensing sensor may be employed.

The control unit C controls the operations of the horizontal driving unit 120 and the vertical driving unit 150 based on information input from the horizontal position sensing unit 130 and the vertical position sensing unit 160. [

Specifically, the controller C drives the horizontal driving unit 120 in a state in which the vertical position sensing unit 160 detects that the probe 140 is in the best position in the second direction, and the horizontal position sensing unit 130 in the state where the first receiving groove 111 or the second receiving groove 112 is positioned at the inspection position.

Thus, the component receiving table and the probe are driven by the horizontal driving unit and the vertical driving unit based on the information sensed by the horizontal position sensing unit and the vertical position sensing unit, so that the operator safety can be achieved.

In the present embodiment, in order to correctly position the first receiving groove 111 or the second receiving groove 112 at the inspection position in the reciprocating motion of the component receiving member 110 in the first direction, And a buffer part 170 disposed so as to correspond to both sides of the buffer part 170.

The cushioning portion 170 includes a support 171 for restricting positions of both side ends in the first direction movement of the component receiving table 110 and a support table 171 for supporting the component receiving table 110 And may be provided with a damper 172 for attenuation.

Thus, it is possible to mitigate the impact generated in the reciprocating motion of the component receiving member 110 in the first direction, and to prevent the height measurement error caused by the vibration due to the impact.

Fig. 2 is a flowchart for explaining the operation of the component height inspection apparatus of Fig. 1. Fig.

Referring to Fig. 2, in the component height inspection apparatus 100 according to the present embodiment, the controller C sequentially proceeds the zero point setting mode S10 and the inspection mode S20.

In the zero point setting mode S10, the first receiving groove 111 accommodating the reference specimen having the preset reference height is moved to the inspection position, the probe is moved back and forth in the second direction, and the measured value is set to 0 (ZERO) .

This starts with an instruction input from the outside via the switch.

The inspection mode S20 is a process for checking whether the inspection target part P is defective after the zero point setting mode S10 is completed.

First, it senses that the probe 140 is in the best position in the second direction. This is determined by the information sensed by the vertical position sensing unit 160.

Next, an operation of moving the second receiving groove 112 to the inspection position is performed. This is performed by the horizontal driving unit 120 and the horizontal position sensing unit 130.

Next, the measurement is performed by reciprocating the probe 140 in the second direction. This is performed by the vertical driving unit 150 and the vertical position sensing unit 160.

Next, the measured height is compared with a predetermined error range to indicate whether it is defective or not.

This is performed in an arithmetic circuit of the control section (C).

Here, it is a matter of course that not only the visual means but also the auditory means can be used as the indication of the defectiveness.

Meanwhile, when detecting the failure, the horizontal driving unit 120 and the vertical driving unit 150 may be stopped to have a time for discharging a defective inspection object part. And can be controlled to perform subsequent inspection.

The reset signal may be generated using a reset button provided separately.

On the other hand, when the measured height is compared with a predetermined error range, the height of a component to be inspected housed in the first receiving groove 111 is inspected when the product is a good product or if a subsequent inspection is performed by a reset signal in case of a defect . The control step described above is repeated for the first receiving groove 111. [

That is, it senses that the probe 140 is in the best position in the second direction.

Next, the first receiving groove 111 is moved to the inspection position.

Next, the measurement is performed by reciprocating the probe 140 in the second direction.

Next, the measured height is compared with a preset error range to indicate whether or not the defect is present.

On the other hand, these control steps are repeated cyclically in sequence.

Here, it is preferable for the safety of the operator that the inserting and discharging operation of the component P to be inspected is performed in a state in which the first and second receiving grooves 111 and 112 are not located at the inspection position.

However, even if the first and second receiving grooves 111 and 112 are positioned at the inspection position, the probe 140 descends until the component receiving table 110 is horizontally moved after the measurement by the probe 140 The safety of the operator can be ensured even if the inserting and discharging operation of the inspection target part P is performed from the measurement by the probe 140 until the horizontal movement of the part receiving table 110 is started.

As a result, according to the component height inspection apparatus 100 according to the present embodiment, the first and second receiving grooves, in which the components to be inspected are accommodated, are sequentially moved to the inspection position and inspected by the probes. The inserting and inspecting are carried out, and the inspection speed can be improved.

Claims (7)

A component receiving table in which first and second receiving grooves for receiving a component to be inspected are disposed apart from each other by a predetermined interval in a first direction in a horizontal direction;
A horizontal driving unit for reciprocally moving the component receiving table in the first direction so that the first and second receiving grooves are located at the inspected position;
A horizontal position sensing unit for sensing that the first and second receiving recesses are located at the inspection position;
A probe disposed at an upper portion of the inspection position and selectively moving in a second direction in a vertical direction to measure a height of the inspection target component;
A vertical driver for reciprocating the probe in the second direction;
A vertical position sensing unit for sensing a position of the probe; And
And a control unit for operating the horizontal driving unit and the vertical driving unit based on information input from the horizontal position sensing unit and the vertical position sensing unit,
And a cushioning portion provided to correspond to both sides of the component accommodating table and mitigating an impact generated when the component accommodating table is reciprocated in the first direction,
Wherein the control unit drives the horizontal driving unit in a state in which it is detected from the vertical position sensing unit that the probe is in the best position in the second direction, And drives the vertical driving unit in a state that the receiving groove is located at the inspection position,
Wherein,
And a zero point setting mode in which the first receiving groove accommodating the reference specimen having the preset reference height is moved to the inspection position and the probe is reciprocated in the second direction to set the measured value to 0 (ZERO) .
Wherein,
After the zero point setting mode is completed,
Detecting that the probe is in the best position in the second direction;
Moving the second receiving groove to the inspection position;
Performing a measurement by reciprocating the probe in the second direction;
Comparing the measured height with a predetermined error range to indicate whether the defect is defective;
Detecting that the probe is in the best position in the second direction;
Moving the first receiving groove to the inspection position;
Performing a measurement by reciprocating the probe in the second direction; And
And comparing the measured height with a preset error range to indicate whether or not a defect is detected.
Characterized in that the inspection subject part is accommodated in a state in which the first and second receiving recesses are not positioned at the inspection position,
Wherein,
And stops the horizontal driving unit and the vertical driving unit when the inspection target part is determined to be defective, and performs the inspection mode by a reset signal inputted from the outside.

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KR1020150145417A 2015-10-19 2015-10-19 Apparatus for inspecting height of parts KR101817755B1 (en)

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KR101817755B1 true KR101817755B1 (en) 2018-01-11

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102252632B1 (en) 2019-11-08 2021-05-17 한국정밀기계(주) Precision height measurement using atmospheric pressure
KR102222716B1 (en) 2019-12-13 2021-03-04 한국정밀기계(주) System for measuring and monitoring of machine tool level

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2769750B2 (en) * 1991-04-23 1998-06-25 リックス株式会社 Work size inspection device
JP2001110699A (en) * 1999-10-05 2001-04-20 Canon Inc Stage device and aligner using the same
JP2002131010A (en) 2000-10-25 2002-05-09 Mitsubishi Materials Corp Height detecting apparatus of powdery sintered body
KR200348090Y1 (en) 2004-01-17 2004-04-28 민병직 Eccentricity measuring device of mold for spectacle lens
KR200415418Y1 (en) * 2006-02-02 2006-05-03 이동훈 Dimension Measuring Sensor Gauge

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2769750B2 (en) * 1991-04-23 1998-06-25 リックス株式会社 Work size inspection device
JP2001110699A (en) * 1999-10-05 2001-04-20 Canon Inc Stage device and aligner using the same
JP2002131010A (en) 2000-10-25 2002-05-09 Mitsubishi Materials Corp Height detecting apparatus of powdery sintered body
KR200348090Y1 (en) 2004-01-17 2004-04-28 민병직 Eccentricity measuring device of mold for spectacle lens
KR200415418Y1 (en) * 2006-02-02 2006-05-03 이동훈 Dimension Measuring Sensor Gauge

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