KR101725964B1 - Apparatus for fixing a test piece - Google Patents

Apparatus for fixing a test piece Download PDF

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Publication number
KR101725964B1
KR101725964B1 KR1020150177869A KR20150177869A KR101725964B1 KR 101725964 B1 KR101725964 B1 KR 101725964B1 KR 1020150177869 A KR1020150177869 A KR 1020150177869A KR 20150177869 A KR20150177869 A KR 20150177869A KR 101725964 B1 KR101725964 B1 KR 101725964B1
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KR
South Korea
Prior art keywords
body portion
test piece
fixing
body unit
fixed
Prior art date
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KR1020150177869A
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Korean (ko)
Inventor
이경
Original Assignee
주식회사 포스코
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Priority to KR1020150177869A priority Critical patent/KR101725964B1/en
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Publication of KR101725964B1 publication Critical patent/KR101725964B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

Disclosed is a device for fixating a test piece which comprises: a first body unit having a first inner space with open upper and lower portions; a second body unit which is smaller than the first inner space and is located above the first body unit; a plurality of fixation units which are fixated to the outside of the second body unit along a circumference of the second body unit; and a penetration unit which joins the first body unit to the second body unit, closes at least a portion of an upper open area of the first body unit, and has a plurality of openings. The test piece is inserted and fixated between the fixation units. The device for fixating a test piece fixates a plurality of test pieces in a vertical direction in an easy manner, stably maintains a fixated state, and prevents contamination of the surface of the test piece and surrounding environment.

Description

[0001] APPARATUS FOR FIXING A TEST PIECE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a specimen clamping apparatus, and more particularly, to a specimen clamping apparatus capable of easily holding a plurality of test specimens in a vertically fixed state.

The materials used in automobiles are mainly welded. In recent years, materials have been bonded using adhesives instead of welding. Adhesive bonding is weaker in bond strength than weld bonding, but it provides flexibility at joints and provides effects through soundproofing, waterproofing, and vibration absorption. Generally, the adhesive is applied between the materials and baked to bond the materials.

On the other hand, before the performance evaluation test of the adhesive bonding, the specimen of the material processed to a certain size is subjected to a degreasing and oiling (oil deposition) process and is vertically stacked for approximately 24 hours. The specimen is then bonded to the other specimen through application and heating of the adhesive, pulled longitudinally by a tensile tester until fracture, and after the fracture the tensile strength and fracture profile are measured.

Hundreds of test specimens of a certain size made of material are used for performance evaluation of adhesive bonding. However, when a plurality of test specimens are stacked in the vertical direction after degreasing and grooving, the specimens may be placed in an ancillary or grooved ancillary apparatus. At this time, each test piece is difficult to maintain in the vertical direction and falls down. At this time, the test specimens come into contact with each other and come into contact with auxiliary devices, and the surface of the test specimen is contaminated. In addition, the oil on the surface of the test specimen may be attached to the surrounding environment in which the auxiliary device is installed as well as the auxiliary device, thereby causing contamination of the surrounding environment. In particular, contamination of the test piece surface poses problems in the adhesion of the test piece and also reduces the reliability of the performance evaluation test of the adhesive bonding.

Published Japanese Patent Application No. 10-2007-0117164 (Disclosure Date: December 12, 2007) Patent Registration No. 10-0766256 (Notification Date: October 15, 2007) Published Japanese Patent Application No. 10-2013-0084333 (Publication date: July 25, 2013)

The present invention is to provide a test piece fixing apparatus capable of stably fixing a plurality of test pieces while fixing them easily in a vertical direction.

The present invention also provides a test piece fixing device capable of preventing the surface of the test piece and the surrounding environment from being contaminated.

The present invention provides a portable terminal comprising: a first body portion having a first interior space opened up and down; A second body portion which is smaller than the first internal space and is located above the first body portion; A plurality of fixing portions fixed to the outer surface of the second body portion along the periphery of the second body portion; And a transmitting portion that connects at least the first body portion and the second body portion and closes at least a part of the upper open region of the first body portion and has a plurality of openings, wherein the test piece is inserted and fixed between the fixing portions And a test piece holding device.

In addition, the test piece fixing device may be disposed between the second body portion and the fixing portions, rotatable in the circumferential direction of the second body portion with the second body portion as a center, and the socket portion in which the fixing portions are installed The test piece fixing device according to claim 1, further comprising:

In addition, the second body portion includes an insertion groove formed in an upper end portion of the outer side of the second body portion and into which the socket portion is inserted.

In addition, the test piece fixing device further includes a cover part coupled to the first body part to close the lower open area of the first body part.

The test piece fixing device is characterized in that the transmitting portion is inclined downward from the first body portion toward the second body portion.

Also, the second body part is located at the center of the upper open area of the first body part.

The second body part is formed with a second inner space connected to the first inner space.

In addition, the upper portion of the second body portion has a structure corresponding to the second body portion, and at least one other body portion that is gradually smaller than the second body portion toward the upper side is positioned, thereby forming a multilayer laminate structure. Device.

The test piece fixing apparatus according to the present invention has the following effects.

(1) The test piece fixing apparatus according to the present invention has the effect of holding a plurality of test pieces in a stable fixed state while easily fixing them in the vertical direction.

(2) The test piece fixing apparatus according to the present invention has an effect of preventing contamination of the surface of the test piece and the surrounding environment.

1 is a perspective view showing a test piece fixing apparatus according to a preferred embodiment of the present invention.
Fig. 2 is a plan view showing the specimen fixing apparatus shown in Fig. 1. Fig.
3 is a longitudinal sectional view showing the test piece fixing apparatus shown in Fig.
4 is a perspective view showing a state where test pieces are combined with the test piece fixing apparatus shown in Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

FIG. 1 is a perspective view showing a test piece fixing apparatus 100 according to a preferred embodiment of the present invention, FIG. 2 is a plan view showing the test piece fixing apparatus 100 shown in FIG. 1, FIG. 4 is a perspective view showing a state where the test pieces 10 are coupled to the test piece fixing apparatus 100 shown in FIG. 1. FIG.

1 to 4, a test piece fixing apparatus 100 according to a preferred embodiment of the present invention includes body portions 101, fixing portions 102 and a transmitting portion 103, and a test piece 10 ). Here, the test piece 10 is made of various materials (for example, metal, plastic, or the like) in the form of a plate processed to a predetermined size, and in this embodiment, has been subjected to a degreasing process and oiling process.

The body parts 101 are formed in a plurality of pillar shapes having inner spaces 111a and 113a, which are opened up and down, respectively. At this time, the body portions 101 have a shape that becomes smaller toward the upper side in the vertical direction. Also, in this embodiment, the body portions 101 include a first body portion 111 and a second body portion 113. A first internal space 111a is formed in the first body part 111 and a second internal space 113a is formed in the second body part 113. The first and second internal spaces 111a , And 113a are arranged to be connected to each other.

The first body part 111 has a shape corresponding to that of the second body part 113 and is located below the second body part 113. At this time, the first and second inner spaces 111a and 113a are connected to each other. The second body portion 113 is smaller than the first internal space 111a of the first body portion 101. Specifically, the second body portion 113 can be inserted into the first internal space 111a of the first body portion 101, and the cross-sectional surface of the second body portion 113 can be inserted into the first internal space 111a of the first body portion 101, 1 is smaller than the cross section of the inner space 111a. A portion of the upper portion of the first body portion 111 is connected to the second inner space 113a of the second body portion 113 and the remaining portion of the second body portion 113 is connected to the exterior of the first body portion 111 .

In the present embodiment, the first body part 111 and the second body part 113 are shown as being cylindrically shaped. However, the first body part 111 and the second body part 113 may have various shapes such as a triangular prism and a square prism. The first body part 111 and the second body part 113 are formed in the same manner as the first and second body parts 113 and 113 in the present embodiment, It is preferable that it is formed in a cylindrical shape as shown in Fig.

The plurality of fixing portions 102 are fixed to the outer surface of the second body portion 113 along the circumference of the second body portion 113. At this time, the fixing portions 102 are positioned on the upper portion of the remaining portion of the upper open region of the first body portion 111.

The fixed portions 102 are made of an elastic material and are spaced apart from each other along the circumference of the second body portion 113 by a predetermined distance. At this time, the test piece 10 is inserted between the fixing portions 102, and the fixing portions 102 are brought into close contact with the test piece 10. For this reason, the fixing portions 102 fix the test piece 10 inserted therebetween in a fixed state in the vertical direction. Further, it is preferable that the interval between the pair of fixed portions 102 positioned adjacent to each other is smaller than the thickness of the test piece 10. [

On the other hand, a pair of adjacent fixed portions 102 are also in contact with each other. As a result, the fixing portions 102 can be more closely attached to the test piece 10 inserted therebetween, so that the test piece 10 can be more stably fixed.

The test pieces 10 may be inserted and fixed between the fixing portions 102 by the number of the fixing portions 102 located along the circumference of the second body portion 113. At this time, since the plurality of test pieces 10 are positioned in a stable parallel and vertically direction, the test piece fixing device 100 and the components other than the fixing portions 102 and the test piece fixing device 100, It does not come into contact with the surrounding environment. As a result, the surface of the test piece 10 may not be contaminated and the surrounding environment of the test piece fixing device 100 may not be contaminated.

In the present embodiment, the fixing portions 102 are shown in the form of a cylinder, but the present invention is not limited thereto. The fixing portions 102 may have various shapes such as a triangular prism or a square prism. However, considering the convenience of insertion of the test pieces 10 and installation of the second body part 113, it is preferable that the fixing parts 102 have a cylindrical shape as shown in the present embodiment.

The transmissive portion 103 is formed in a plate shape and is inclined while connecting the first body portion 111 and the second body portion 113 to each other and closes a part of the upper open region of the first body portion 111 . That is, the first body part 111 and the second body part 113 can be stably connected and arranged by the transmission part 103. [

Also, a plurality of openings 103a are formed in the transmissive portion 103. At this time, the transmitting portion 103 is made of a hard metal or a plastic material and has a mesh shape. On the upper side of the transmissive portion 103, a test piece 10 fixed by the fixing portions 102 is positioned. When the test piece 10 is subjected to the oiling process, the oil remains on the surface of the test piece 10. As a result, the oil is guided downward along the test piece 10 to reach the transmitting portion 103 while the test piece 10 is fixed in the vertical direction by the fixing portions 102. At this time, the oil passes through the openings 103a of the permeable portion 103 and flows into the first internal space 111a of the first body portion 111. At this time, This can prevent the oil of the test piece 10 due to the oiling process from dropping and contaminate the test piece fixing device 100 and its surrounding environment.

The transmissive portion 103 is inclined and inclined downward from the first body portion 111 toward the second body portion 113. After reaching the permeable portion 103, the oil may travel along the inclined permeable portion 103 and pass through the openings 103a. Therefore, the oil reaching the transmitting portion 103 is not accumulated on the transmitting portion 103 and is not guided to the surrounding environment of the test piece fixing device 10 because the transmitting portion 103 is formed of the inclined surface.

The second body part 113 is formed in the upper opening area of the first body part 111 so that the oil of the test pieces 10 fixed by the fixed parts 102 can reach the transmitting part 103 stably. It is preferable to be positioned at the center.

Meanwhile, the test piece fixing apparatus 100 according to the present embodiment may further include a socket portion 104 and a cover portion 105.

The socket portion 104 is positioned between the second body portion 113 and the fixing portions 102 and is rotatable in the circumferential direction of the second body portion 113 about the second body portion 113. The socket part (104) is provided with fixing parts (102). The socket portion 104 has a ring-shaped band shape and is attachable to and detachable from the second body portion 113. As the socket portion 104 rotates, the fixed portions 102 revolve in the circumferential direction of the second body portion 113 with the second body portion 113 as a center. Therefore, when inserting the test piece 10 between the fixed portions 102, the operator rotates the socket portion 104 to rotate the pair of fixed portions 102 to insert the test piece 10 It can be selected appropriately.

On the other hand, an insertion groove 113b is formed in the outer upper end portion of the second body portion 113. [ At this time, the insertion groove 113b is formed along the circumference of the second body portion 113. [ The socket portion 104 is inserted into the insertion groove 113b and surrounds the second body portion 113. [ At this time, the socket portion 104 and the insertion groove 113b may be kept spaced apart from each other, and the lubricant may be applied therebetween. Therefore, the socket portion 104 can rotate smoothly around the second body portion 113, and the friction with the second body portion 113 can be remarkably reduced.

The cover portion 105 is coupled to the first body portion 111 to close the bottom open region of the first body portion 111. The oil of the test piece 10 due to the oiling process passes through the openings 103a of the permeable portion 103 and flows into the first internal space 111a of the first body portion 111 and then flows into the cover portion 105 Collected. That is, the oil is kept in the stored state by the cover portion 105. A plurality of test pieces 10 are inserted and fixed between the fixing portions 102 for 24 hours and separated from the fixing portions 102 and the first body portion 111 is separated from the cover portion 105 In the separated state, the collected oil remains in the cover portion 105. At this time, the oil remaining in the cover portion 105 can be processed or disposed of separately without contaminating the surrounding environment.

In the present embodiment, the body portions 101 are illustrated as being composed of the first body portion 111 and the second body portion 113, that is, two, but not limited thereto, and on the upper side of the second body portion 113, One or more other body portions (not shown) having a structure corresponding to the body portion 113 and being smaller than the second body portion 113 gradually toward the upper side may be disposed. At this time, another body portion smaller than the second internal space 113a may be positioned on the upper side of the second body portion 113, and a plurality of different body portions may be positioned in a stacked state. The cover portion 105 may be coupled to the first body portion 111 and the socket portion 104 and the fixing portions 102 may be provided to other body portions as well as the second body portion 113. As a result, the specimen holder 100 can be made of a multilayer laminate structure and can be used to fix the test specimens 10 in the form of a multilayer.

The second inner space 113a of the second body part 113 is selectively formed to provide a body part having a smaller size than the second inner space 113a and having the fixed parts 102 on the upper side.

In the test piece fixing device 100 of the present embodiment, the fixing portions 102 are installed on the outer surface of the second body portion 113 along the circumference of the second body portion 113 through the rotatable socket portion 104. Thereby, the test pieces 10 can be held in a stable fixed state while being fixed in the vertical direction in a simple and easy manner in which the socket portion 104 is rotated and inserted between the selected fixed portions 102.

Since the specimens 10 remain fixed in the vertical direction, the specimens 10 subjected to the arming process are not contacted with each other, but are not contacted with the components other than the fixing portions 102 in the specimen holder fixing device 100 And the surrounding environment of the test piece fixing apparatus 100. [ Even if the oil is led downward along the test piece 10, the oil flows into the first internal space 111a of the first body part 111 through the opening 103a of the transmitting part 103, 105). Contamination of the surface of the test piece 10 and the surrounding environment of the test piece fixing apparatus 100 that may occur due to the oil of the test piece 10 due to the oiling process is prevented. In addition, the reliability of the test can be improved when the test piece 10 is used for the test after it has been placed for 24 hours.

While the present invention has been described in connection with certain exemplary embodiments, it will be understood by those skilled in the art that various changes may be made without departing from the scope of the present invention.

100: Specimen holder
101:
111: first body part
111a: first inner space
113: second body part
113a: second inner space
113b: insertion groove
102:
103:
103a: opening
104:
105:

Claims (8)

A first body portion having a first inner space opened up and down;
A second body portion which is smaller than the first internal space and is located above the first body portion;
A plurality of fixing portions fixed to the outer surface of the second body portion along the periphery of the second body portion; And
And a transmissive portion connecting the first body portion and the second body portion and closing at least a part of the upper open region of the first body portion and having a plurality of openings,
And the test piece is inserted and fixed between the fixing portions.
The apparatus according to claim 1,
Further comprising a socket portion located between the second body portion and the fixed portion and rotatable about the second body portion in the circumferential direction about the second body portion, Fixing device.
[3] The apparatus of claim 2,
And an insertion groove formed in an outer upper end portion of the second body portion and into which the socket portion is inserted.
The apparatus according to claim 1,
And a cover portion coupled to the first body portion to close the lower opening region of the first body portion.
The method according to claim 1,
Wherein the transmitting portion is inclined downward from the first body portion toward the second body portion.
The method according to claim 1,
And the second body portion is located at the center of the upper open region of the first body portion.
The method according to claim 1,
And a second inner space connected to the first inner space is formed in the second body part.
8. The method according to any one of claims 1 to 7,
Wherein the second body portion has a structure corresponding to the second body portion and at least one other body portion that is gradually smaller than the second body portion toward the upper side is located, thereby forming a multilayer laminate structure.
KR1020150177869A 2015-12-14 2015-12-14 Apparatus for fixing a test piece KR101725964B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190070482A (en) * 2017-12-13 2019-06-21 주식회사 포스코 Corossion test apparatus

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126418A (en) * 1976-04-12 1978-11-21 Elkay Products, Inc. Cuvette
EP0375879B1 (en) * 1988-12-24 1993-11-24 LABORATORIUM PROF. DR. RUDOLF BERTHOLD GmbH & Co. KG Device for controlling a star-shaped sample container positioning wheel
KR100766256B1 (en) 2006-10-18 2007-10-15 주식회사 포스코 Auto spot welding device of a specimen
KR20070117164A (en) 2006-06-07 2007-12-12 주식회사 포스코 Device for fixing workpiece in tensile tester
JP2012026757A (en) * 2010-07-20 2012-02-09 Shimadzu Corp Surface analyzer and sample holder used for the same
KR20130084333A (en) 2012-01-16 2013-07-25 한국화학연구원 Accelerated weathering test apparatus and method using light emitting plasma
CN103630486A (en) * 2013-12-10 2014-03-12 中国兵器工业集团第五三研究所 Sample frame for testing sample plates

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126418A (en) * 1976-04-12 1978-11-21 Elkay Products, Inc. Cuvette
EP0375879B1 (en) * 1988-12-24 1993-11-24 LABORATORIUM PROF. DR. RUDOLF BERTHOLD GmbH & Co. KG Device for controlling a star-shaped sample container positioning wheel
KR20070117164A (en) 2006-06-07 2007-12-12 주식회사 포스코 Device for fixing workpiece in tensile tester
KR100766256B1 (en) 2006-10-18 2007-10-15 주식회사 포스코 Auto spot welding device of a specimen
JP2012026757A (en) * 2010-07-20 2012-02-09 Shimadzu Corp Surface analyzer and sample holder used for the same
KR20130084333A (en) 2012-01-16 2013-07-25 한국화학연구원 Accelerated weathering test apparatus and method using light emitting plasma
CN103630486A (en) * 2013-12-10 2014-03-12 中国兵器工业集团第五三研究所 Sample frame for testing sample plates

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190070482A (en) * 2017-12-13 2019-06-21 주식회사 포스코 Corossion test apparatus
KR102043512B1 (en) 2017-12-13 2019-11-12 주식회사 포스코 Corossion test apparatus

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