CN108267364A - A kind of shearing clamp - Google Patents

A kind of shearing clamp Download PDF

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Publication number
CN108267364A
CN108267364A CN201810196111.2A CN201810196111A CN108267364A CN 108267364 A CN108267364 A CN 108267364A CN 201810196111 A CN201810196111 A CN 201810196111A CN 108267364 A CN108267364 A CN 108267364A
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CN
China
Prior art keywords
clamp plate
plate
holding tank
shearing
lower clamp
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Granted
Application number
CN201810196111.2A
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Chinese (zh)
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CN108267364B (en
Inventor
张庆茂
张洁娟
董宇坤
徐思志
张从征
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South China Normal University
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South China Normal University
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Priority to CN201810196111.2A priority Critical patent/CN108267364B/en
Publication of CN108267364A publication Critical patent/CN108267364A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • G01N3/04Chucks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/24Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0025Shearing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/04Chucks, fixtures, jaws, holders or anvils
    • G01N2203/0429Chucks, fixtures, jaws, holders or anvils using adhesive bond; Gluing

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  • 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)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The present invention provides a kind of shearing clamps, belong to shear strength test equipment technical field.It solves the technical problems such as existing test fixture test inaccuracy.This shearing clamp includes lower clamp plate, upper clamp plate, locating piece, first fixed plate and the second fixed plate, the end of lower clamp plate and upper clamp plate is hinged and the two fits, the first holding tank and the second holding tank are offered on upper clamp plate and lower clamp plate respectively, first fixed plate and the second fixed plate can be respectively embedded into the first holding tank and the second holding tank, locating piece has the accommodating chamber that can accommodate lower clamp plate and upper clamp plate, opening is offered on one madial wall of accommodating chamber, the bottom surface of lower clamp plate and the top surface of upper clamp plate mutually recline respectively with the bottom wall of accommodating chamber and roof, the lateral surface of lower clamp plate and the madial wall of accommodating chamber fit.This shearing clamp during the test, can be eccentric to avoid being generated during shearing force is applied, and ensures the accuracy of test well.

Description

A kind of shearing clamp
Technical field
The invention belongs to shear strength test equipment technical fields, are related to a kind of shearing clamp.
Background technology
In micro Process field, in the prior art, by after monocrystalline silicon and glass solder, the joint performance of the weldment all can be It is destroyed under the variation of environment temperature and humidity, using laser welding monocrystalline silicon and glass, these can be effectively prevented from and lacked Point.After the two is welded, need to carry out welding sample the test of shear strength.
The existing method for measuring welding sample shear intensity is using behind clamp sample both ends, uses pull test Machine breaks sample.This method, since monocrystalline silicon and glass brittleness are larger, during clamping, is adopted during operation Clamping sample with pressure easily produces fracture sample;In addition, sample is relatively thin, accurate size is difficult accurate in clamping process Ground controls the position of puller system, easily generates bias, and experiment is produced a very large impact.When weld strength is larger, pulling force Loading is easily so that silicon chip is produced fracture in commissure, so as to obtain accurate test data.
Invention content
The present invention provides a kind of shearing clamp for the above problem existing for existing technology, to be solved by this invention Technical problem is:How the accuracy of test is improved.
The purpose of the present invention can be realized by following technical proposal:
A kind of shearing clamp, which is characterized in that fixed including lower clamp plate, upper clamp plate, locating piece, the first fixed plate and second The end of plate, the lower clamp plate and upper clamp plate is hinged and the two fits, and is offered respectively on the upper clamp plate and lower clamp plate First holding tank and the second holding tank, the first holding tank through-thickness run through the upper clamp plate, first fixed plate Can be respectively embedded into the first holding tank and the second holding tank with the second fixed plate and the first fixed plate and the second fixed plate it is outer Side mutually reclines respectively with the medial surface of the first holding tank and the second holding tank, the locating piece have can accommodate lower clamp plate and The accommodating chamber of upper clamp plate offers the opening for the side for being through to locating piece on one madial wall of the accommodating chamber, under described The bottom surface of clamping plate and the top surface of upper clamp plate mutually recline respectively with the bottom wall of the accommodating chamber and roof, the lateral surface of lower clamp plate and institute The madial wall for stating accommodating chamber fits.
Its operation principle is:Before test, sample is sticked in the first fixed plate using super glue, then by the second fixed plate The opposite side of sample is sticked to, after the first holding tank and the second holding tank face, sample is placed on the first holding tank and In two holding tanks, the first fixed plate and the second fixed plate are located in the first holding tank and the second holding tank respectively at this time, pass through drawing Force tester makes upper clamp plate be rotated relative to lower clamp plate, and upper clamp plate drives the first fixed plate to be rotated relative to the second fixed plate, from And realize the measure of sample shear intensity.This shearing clamp fixes sample by the way of seccotine, and (sample can be monocrystalline silicon Formed with glass solder), seccotine can equably fix sample surfaces, so that shearing force can be efficiently transferred to weld Position is stitched, sample is avoided to be produced fracture before welding seam breaking on one side, locating piece can be to avoid in the process for applying shearing force It is middle to generate bias, better assure that the accuracy of test.
In a kind of above-mentioned shearing clamp, the thickness of first fixed plate and the second fixed plate accommodates respectively with first The deep equality of slot and the second holding tank.
In a kind of above-mentioned shearing clamp, the shearing clamp further includes hold-down bolt, and the hold-down bolt is located at institute The hinged place of upper clamp plate and lower clamp plate is stated, hold-down bolt passes through the end of the upper clamp plate and connects with the lower clamp plate screw threads for fastening It connects.In the structure, upper clamp plate is rotated by axis of hold-down bolt, by rotatably compressing bolt, on the one hand can make upper clamp plate Press even closer with lower clamp plate, upper clamp plate is not easy to shake during rotation, can improve the accuracy of test, another Aspect can adjust the gap between top board and lower platen to a certain extent, allow thickness of the shearing clamp with sample Variation suitably adjusted, improve the adaptability of shearing clamp.
In a kind of above-mentioned shearing clamp, the shearing clamp further includes auxiliary clamping plate, and the end of the lower clamp plate is opened Equipped with gap slot, it is described auxiliary clamping plate in the middle part of offer for the hold-down bolt by first through hole, the auxiliary clamping plate End there is boss, the auxiliary clamping plate is located at the top of the upper clamp plate and fits with upper clamp plate, and the boss is embedded in In the gap slot and the lateral surface of boss mutually reclines with the inner wall of gap slot.In the structure, by rotatably compressing bolt, compress Bolt presses assist clamping plate, and auxiliary clamping plate makes upper clamp plate and lower clamp plate press even closer, and upper clamp plate is during rotation It is not easy to shake, the accuracy of test can be improved.
In a kind of above-mentioned shearing clamp, the bottom wall of the opening and the upper side flush of lower clamp plate.
In a kind of above-mentioned shearing clamp, the end of the upper clamp plate offer for drawstring by the second through-hole.Into During row test, it is drawstring to be facilitated by the second through-hole, and testing machine is made preferably to exert a force, and can improve the convenience of test.
Compared with prior art, advantages of the present invention is as follows:
1st, this shearing clamp during the test, can be eccentric to avoid being generated during shearing force is applied, well Ensure the accuracy of test.
2nd, this shearing clamp may be used the mode of seccotine and fix sample, and seccotine can equably fix sample table Face so that shearing force can be efficiently transferred to position while welding, avoids sample from being generated before welding seam breaking on one side disconnected It splits.
Description of the drawings
Fig. 1 is the explosive view of this shearing clamp.
Fig. 2 is the installation diagram of this shearing clamp.
Fig. 3 is the structure diagram of locating piece.
Fig. 4 is upper clamp plate and lower clamp plate and the matched schematic diagram of locating piece.
In figure, 1, lower clamp plate;1a, gap slot;1b, the second holding tank;2nd, upper clamp plate;2a, the second through-hole;2b, first are held Receive slot;3rd, locating piece;3a, opening;3b accommodating chambers;4th, the first fixed plate;5th, the second fixed plate;6th, clamping plate is assisted;6a, first are led to Hole;6b, boss.
Specific embodiment
The following is specific embodiments of the present invention and with reference to attached drawing, technical scheme of the present invention is further described, But the present invention is not limited to these embodiments.
As shown in Figs. 1-3, it is solid to include lower clamp plate 1, upper clamp plate 2, locating piece 3, the first fixed plate 4 and second for this shearing clamp The end of fixed board 5, lower clamp plate 1 and upper clamp plate 2 is hinged and the two fits, and offers on upper clamp plate 2 and lower clamp plate 1 respectively One holding tank 2b and the second holding tank 1b, the first holding tank 2b through-thickness run through upper clamp plate 2, the first fixed plate 4 and second Fixed plate 5 can be respectively embedded into the first holding tank 2b and the second holding tank 1b and the first fixed plate 4 and the second fixed plate 5 it is outer Medial surface of the side respectively with the first holding tank 2b and the second holding tank 1b mutually reclines, locating piece 3 have can accommodate lower clamp plate 1 With the accommodating chamber 3b of upper clamp plate 2, the opening 3a for the side for being through to locating piece 3 is offered on a madial wall of accommodating chamber 3b, The bottom surface of lower clamp plate 1 and the top surface of upper clamp plate 2 mutually recline respectively with the bottom wall of accommodating chamber 3b and roof, the lateral surface of lower clamp plate 1 It fits with the madial wall of accommodating chamber 3b.
Before test, sample is sticked in the first fixed plate 4, then the second fixed plate 5 is sticked to sample using super glue Sample after the first holding tank 2b and the second holding tank 1b is faced, is placed on the first holding tank 2b and second and held by opposite side It receives in slot 1b, the first fixed plate 4 and the second fixed plate 5 are located in the first holding tank 2b and the second holding tank 1b respectively at this time, lead to Crossing tensile testing machine makes upper clamp plate 2 be rotated relative to lower clamp plate 1, and upper clamp plate 2 drives the first fixed plate 4 relative to the second fixed plate 5 rotations, so as to fulfill the measure of sample shear intensity.This shearing clamp uses the mode of seccotine to fix sample, and (sample can be with It is that monocrystalline silicon is formed with glass solder), seccotine can equably fix sample surfaces, so that shearing force can be effectively Position while welding is transmitted to, sample is avoided to be produced fracture before welding seam breaking on one side.Locating piece 3 can be sheared to avoid in application Bias is generated during power, better assures that the accuracy of experiment.
Preferably, the thickness of the first fixed plate 4 and the second fixed plate 5 respectively with the first holding tank 2b and the second holding tank 1b Deep equality.
Preferably, shearing clamp further includes hold-down bolt, hold-down bolt is located at the hinged place of upper clamp plate 2 and lower clamp plate 1, Hold-down bolt passes through the end of upper clamp plate 2 and is connect with 1 screw threads for fastening of lower clamp plate.In the structure, upper clamp plate 2 using hold-down bolt as Axis is rotated, and by rotatably compressing bolt, upper clamp plate 2 and lower clamp plate 1 on the one hand can be made to press even closer, upper clamp plate 2 are not easy to shake during rotation, can improve the accuracy of experiment, on the other hand, can adjust to a certain extent Gap between pressing plate and lower platen allows shearing clamp suitably to be adjusted with the variation of the thickness of sample, improves shearing The adaptability of fixture.
As shown in Figures 2 and 4, in the present embodiment, shearing clamp further includes auxiliary clamping plate 6, and the end of lower clamp plate 1 offers scarce Mouthful slot 1a, the middle part of auxiliary clamping plate 6 offer for hold-down bolt by first through hole 6a, the end of auxiliary clamping plate 6 has convex Platform 6b, auxiliary clamping plate 6 are located at the top of upper clamp plate 2 and fit with upper clamp plate 2, and boss 6b is embedded in gap slot 1a and boss 6b The inner wall of lateral surface and gap slot 1a mutually recline.In the structure, by rotatably compressing bolt, hold-down bolt compresses auxiliary clamping plate 6, auxiliary clamping plate 6 makes upper clamp plate 2 and lower clamp plate 1 press even closer, and upper clamp plate 2 is not easy to shake during rotation, energy Enough accuracys for improving experiment.
As shown in figure 4, in the present embodiment, the bottom wall for the 3a that is open and the upper side flush of lower clamp plate 1.
As shown in Fig. 1 or 4, the end of upper clamp plate 2 offer for drawstring by the second through-hole 2a.When being tested, lead to It is drawstring to cross the second through-hole 2a to facilitate, and testing machine is made preferably to exert a force, can improve the convenience of experiment.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (6)

1. a kind of shearing clamp, which is characterized in that including lower clamp plate (1), upper clamp plate (2), locating piece (3), the first fixed plate (4) With the second fixed plate (5), the end of the lower clamp plate (1) and upper clamp plate (2) is hinged and the two fits, the upper clamp plate (2) and on lower clamp plate (1) the first holding tank (2b) and the second holding tank (1b), the first holding tank (2b) edge are offered respectively Thickness direction runs through the upper clamp plate (2), and first fixed plate (4) and the second fixed plate (5) can be respectively embedded into the first appearance It receives in slot (2b) and the second holding tank (1b) and the lateral surface of the first fixed plate (4) and the second fixed plate (5) holds respectively with first Slot (2b) of receiving mutually reclines with the medial surface of the second holding tank (1b), and the locating piece (3) has and can accommodate lower clamp plate (1) and upper The accommodating chamber (3b) of clamping plate (2) offers the side that is through to locating piece (3) on a madial wall of the accommodating chamber (3b) It is open (3a), the bottom surface of the lower clamp plate (1) and the top surface of upper clamp plate (2) bottom wall and roof with the accommodating chamber (3b) respectively It mutually reclines, the lateral surface and the madial wall of the accommodating chamber (3b) of lower clamp plate (1) fit.
2. a kind of shearing clamp according to claim 1, which is characterized in that first fixed plate (4) and second is fixed The deep equality with the first holding tank (2b) and the second holding tank (1b) respectively of the thickness of plate (5).
3. a kind of shearing clamp according to claim 1, which is characterized in that the shearing clamp further includes hold-down bolt, The hold-down bolt is located at the hinged place of the upper clamp plate (2) and lower clamp plate (1), and hold-down bolt passes through the upper clamp plate (2) It end and is connect with the lower clamp plate (1) screw threads for fastening.
4. a kind of shearing clamp according to claim 3, which is characterized in that the shearing clamp further includes auxiliary clamping plate (6), the end of the lower clamp plate (1) offers gap slot (1a), is offered in the middle part of the auxiliary clamping plate (6) for the compression Bolt by first through hole (6a), it is described auxiliary clamping plate (6) end have boss (6b), it is described auxiliary clamping plate (6) be located at It the top of the upper clamp plate (2) and fits with upper clamp plate (2), in the embedded gap slot (1a) of the boss (6b) and boss The lateral surface of (6b) and the inner wall of gap slot (1a) mutually recline.
5. a kind of shearing clamp according to claim 1, which is characterized in that the bottom wall and lower clamp plate of the opening (3a) (1) upper side flush.
6. a kind of shearing clamp according to claim 1, which is characterized in that the end of the upper clamp plate (2) offers confession Drawstring by the second through-hole (2a).
CN201810196111.2A 2018-03-09 2018-03-09 Shearing clamp Active CN108267364B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810196111.2A CN108267364B (en) 2018-03-09 2018-03-09 Shearing clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810196111.2A CN108267364B (en) 2018-03-09 2018-03-09 Shearing clamp

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CN108267364A true CN108267364A (en) 2018-07-10
CN108267364B CN108267364B (en) 2023-11-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109482783A (en) * 2018-11-09 2019-03-19 中国科学院长春光学精密机械与物理研究所 A kind of portable cable precisely cuts out line card tool tooling

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070084296A1 (en) * 2005-10-13 2007-04-19 Kelly John M Method and apparatus for testing shear strength of curved core material
CN201140258Y (en) * 2007-11-08 2008-10-29 黄国清 Steel wire shear knife
RU80571U1 (en) * 2008-06-09 2009-02-10 Серпуховской военный институт ракетных войск (СВИ РВ) TERMINAL CLIPPING CLAMP FOR TESTING THREADY SAMPLES FROM MICROPLASTIC
CN202614662U (en) * 2012-06-26 2012-12-19 湖南农业大学 Rape stalk connecting force measuring clamp
CN102854070A (en) * 2012-09-26 2013-01-02 深圳中建院建筑科技有限公司 Concrete core simple-shear device
US20130139359A1 (en) * 2011-12-05 2013-06-06 Gregory K. Otten Buoyant clamp for tubular members
DE102014101924B3 (en) * 2014-02-17 2015-01-29 ALU4YOU GmbH Device for position-variable clamping of a workpiece
CN105466762A (en) * 2015-12-17 2016-04-06 中国电力科学研究院 Aluminum sheet substrate for coating shearing strength test and test sample thereof
CN206378408U (en) * 2016-12-30 2017-08-04 天津市富仁板带有限公司 A kind of galvanized sheet coating adhesion detection means
CN107702984A (en) * 2017-10-27 2018-02-16 无锡汉神电气股份有限公司 A kind of grip device for detecting sample shearing strength
CN208547538U (en) * 2018-03-09 2019-02-26 华南师范大学 A kind of shearing clamp

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070084296A1 (en) * 2005-10-13 2007-04-19 Kelly John M Method and apparatus for testing shear strength of curved core material
CN201140258Y (en) * 2007-11-08 2008-10-29 黄国清 Steel wire shear knife
RU80571U1 (en) * 2008-06-09 2009-02-10 Серпуховской военный институт ракетных войск (СВИ РВ) TERMINAL CLIPPING CLAMP FOR TESTING THREADY SAMPLES FROM MICROPLASTIC
US20130139359A1 (en) * 2011-12-05 2013-06-06 Gregory K. Otten Buoyant clamp for tubular members
CN202614662U (en) * 2012-06-26 2012-12-19 湖南农业大学 Rape stalk connecting force measuring clamp
CN102854070A (en) * 2012-09-26 2013-01-02 深圳中建院建筑科技有限公司 Concrete core simple-shear device
DE102014101924B3 (en) * 2014-02-17 2015-01-29 ALU4YOU GmbH Device for position-variable clamping of a workpiece
CN105466762A (en) * 2015-12-17 2016-04-06 中国电力科学研究院 Aluminum sheet substrate for coating shearing strength test and test sample thereof
CN206378408U (en) * 2016-12-30 2017-08-04 天津市富仁板带有限公司 A kind of galvanized sheet coating adhesion detection means
CN107702984A (en) * 2017-10-27 2018-02-16 无锡汉神电气股份有限公司 A kind of grip device for detecting sample shearing strength
CN208547538U (en) * 2018-03-09 2019-02-26 华南师范大学 A kind of shearing clamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109482783A (en) * 2018-11-09 2019-03-19 中国科学院长春光学精密机械与物理研究所 A kind of portable cable precisely cuts out line card tool tooling
CN109482783B (en) * 2018-11-09 2020-04-10 中国科学院长春光学精密机械与物理研究所 Portable accurate wire cutting fixture frock of cable

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