CN109580344A - A kind of stretching clamping device of auto plastics buckle - Google Patents
A kind of stretching clamping device of auto plastics buckle Download PDFInfo
- Publication number
- CN109580344A CN109580344A CN201910069514.5A CN201910069514A CN109580344A CN 109580344 A CN109580344 A CN 109580344A CN 201910069514 A CN201910069514 A CN 201910069514A CN 109580344 A CN109580344 A CN 109580344A
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- Prior art keywords
- collet
- clamping piece
- clamping
- clamping device
- stretching
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- 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
- G01N3/04—Chucks
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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 stretching clamping devices of auto plastics buckle, including first clamping member and the second clamping piece, described first clamping member to be located at the top of the second clamping piece；Described first clamping member includes the first collet and first clamping piece, first collet is U-shaped structure, first collet is equipped with the first feeding channel, first collet includes the first open end and the first closed end, first open end and the first closed end is located at the both ends of the first collet, the first clamping piece is fixed on the first open end of the first collet, the first clamping piece is equipped with the first fixation hole, and the first closed end of first collet is equipped with the first connection sheet.A kind of stretching clamping device of auto plastics buckle of the present invention, it is simple and reliable for structure, it is reusable, and processing cost is lower, can effectively be clamped to buckle, improve test repeatability and success rate.
Description
Technical field
The invention belongs to stretching clamp fields, more particularly, to a kind of stretching clamping device of auto plastics buckle.
Background technique
In complete automobile collision security performance development process, the mechanical property of each related components and material is essential
Analogue simulation parameter.The precision of the precision direct relation vehicle safe simulation result of parameter.In order to improve the precision of simulation analysis,
It needs detailed test and analyzes the dynamic and static mechanics performance of each components and material.
Auto plastics buckle is used as on automobile using a kind of extensive nonstandard components, the test of dynamic and static mechanics performance
It is particularly important.
But since buckle is non-standard, many sizes, and be plastic products, so carrying out dynamic and static mechanics performance
The case where when test, usually will appear can not be clamped, or exemplar is damaged when test, leads to not obtain accurate mechanical property
Data.
Summary of the invention
It is dynamic at room temperature in view of this, the present invention is directed to propose a kind of stretching clamping device of auto plastics buckle
During static tensile test, effectively clamping, and guarantee test repeatability are realized to the buckle of sizes, improve test essence
Degree, finally improves stringency of test.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of stretching clamping device of auto plastics buckle, including first clamping member and the second clamping piece, described first
Clamping piece is located at the top of the second clamping piece；
Described first clamping member includes the first collet and first clamping piece, and first collet is U-shaped structure, described
First collet is equipped with the first feeding channel, and first collet includes the first open end and the first closed end, and described the
One open end and the first closed end are located at the both ends of the first collet, and the first clamping piece is fixed on the first of the first collet
Open end, the first clamping piece are equipped with the first fixation hole, and the first closed end of first collet is equipped with the first connection
Piece；
Second clamping piece includes the second collet and second intermediate plate, and second collet is U-shaped structure, described
Second collet is equipped with the second feeding channel, and second collet includes the second open end and the second closed end, and described the
Two open ends and the second closed end are located at the both ends of the second collet, and the second intermediate plate is fixed on the second of the second collet
Open end, the second intermediate plate are located at the lower section of first clamping piece, and the second intermediate plate is equipped with fixes with described first
Second closed end of the second fixation hole that hole matches, second collet is equipped with the second connection sheet.
Further, the clamping piece is identical as the structure of first clamping member.
Further, the first clamping piece is equipped with several fixing bolts, the first clamping piece and described the
One collet is fixedly connected by fixing bolt.
Further, it is equipped with convex block on the side wall of the two sides of first collet, the first clamping piece is equipped with
The groove matched with the convex block, the convex block are located in groove.
Further, on the convex block with threaded hole is equipped in the groove, the fixing bolt is located at spiral shell
In pit.
Further, the first clamping piece is equipped with counter sink, and the fixing bolt is located in counter sink, and fixed
The thickness on the head of bolt is less than the depth of the counter sink.
Further, the axis in the first feeding channel is parallel with the axis in the second feeding channel.
Further, the axis in the first feeding channel is vertical with the axis in the second feeding channel.
Further, several connecting holes is equipped in first connection sheet and second connection sheet.
Compared with the existing technology, a kind of stretching clamping device of auto plastics buckle of the present invention has following excellent
Gesture:
(1) the stretching clamping device of a kind of auto plastics buckle of the present invention, it is simple and reliable for structure, it is repeatable to make
With, and processing cost is lower, can effectively be clamped to buckle, improve test repeatability and success rate.
(2) a kind of stretching clamping device of auto plastics buckle of the present invention, intermediate plate are connected by screw bolts with collet,
It is easy to disassemble, it can be directed to different buckles, the corresponding displacement piece of replacement center hole shape considerably increases the clamping device
Trial stretch.
(3) the stretching clamping device of a kind of auto plastics buckle of the present invention, the first connection sheet and the second connection sheet
On be equipped with connecting hole, for being fixedly connected with dynamic pressure testing machine, while not influencing clamping of the static test- machine to connection sheet again,
I.e. so that the stretching clamping device is applicable not only to static tensile test, it is also applied for dynamic tensile test, improves this
The scope of application of fixture.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram that clamping device is stretched described in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of first clamping member described in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the second clamping piece described in the embodiment of the present invention；
Fig. 4 is the connection relationship diagram of the first collet and first clamping piece described in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram that clamping device is stretched described in another embodiment of the present invention；
Fig. 6 is the portion the A enlarged drawing that clamping device is stretched described in another embodiment of the present invention.
Description of symbols:
1, first clamping member；11, the first collet；111, the first open end；112, the first closed end；113, convex block；12,
One intermediate plate；121, the first fixation hole；122, fixing bolt；123, groove；1231, threaded hole；124, counter sink；13, first connects
Contact pin；131, connecting hole；14, the first feeding channel；2, the second clamping piece；21, the second collet；211, the second open end；212,
Second closed end；22, second intermediate plate；221, the second fixation hole；23, the second connection sheet；24, the second feeding channel.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
As shown in Figure 1,2,3, 4, a kind of stretching clamping device of auto plastics buckle, including first clamping member 1 and second
Clamping piece 2, described first clamping member 1 are located at the top of the second clamping piece 2；
Described first clamping member 1 includes the first collet 11 and first clamping piece 12, and first collet 11 is U-shaped knot
Structure, first collet 11 are equipped with the first feeding channel 14, and first collet 11 includes the first open end 111 and the
One closed end 112, first open end 111 and the first closed end 112 are located at the both ends of the first collet 11, described
First clamping piece 12 is fixed on the first open end 111 of the first collet 11, and the first clamping piece 12 is equipped with the first fixation hole
121, the first closed end 112 of first collet 11 is equipped with the first connection sheet 13；
Second clamping piece 2 includes the second collet 21 and second intermediate plate 22, and second collet 21 is U-shaped knot
Structure, second collet 21 are equipped with the second feeding channel 24, and second collet 21 includes the second open end 211 and the
Two closed ends 212, second open end 211 and the second closed end 212 are located at the both ends of the second collet 21, described
Second intermediate plate 22 is fixed on the second open end 211 of the second collet 21, and the second intermediate plate 22 is located under first clamping piece 12
Side, the second intermediate plate 22 are equipped with the second fixation hole 221 matched with first fixation hole 121, and described the
Second closed end 212 of two collets 21 is equipped with the second connection sheet 23.
Second clamping piece 2 is identical as the structure of first clamping member 1.Second clamping piece 2 is set with first clamping member 1
It counts consistent with function.
The first clamping piece 12 is equipped with several fixing bolts 122, the first clamping piece 12 and described first
Collet 11 is fixedly connected by fixing bolt 122.Intermediate plate is connected by screw bolts with collet, easy to disassemble, can be directed to different
Buckle, the corresponding displacement piece of replacement center hole shape, considerably increases the trial stretch of the clamping device.
Be equipped with convex block 113 on the side wall of the two sides of first collet 11, the first clamping piece 12 be equipped with
The groove 123 that the convex block 113 matches, the convex block 113 are located in groove 123.Convex block 113 is set with groove 123
First clamping piece 12 and the first quickly positioning of collet 11 can be made by setting, so that the first fixation hole 121 and the second fixation hole 221 are right
The heart is accurate.
On the convex block 113 with threaded hole 1231, the fixing bolt 122 are equipped in the groove 123
In in threaded hole 1231.
The axis in the first feeding channel 14 is vertical with the axis in the second feeding channel 24.Due to the first folder
Piece 12 and the fixing bolt 122 of second intermediate plate 22 are protruded in the outside of intermediate plate, in order to avoid bolt influences card during test
The installation of button and test operation hang down the first feeding channel 14 of the first collet 11 and the second feeding channel 24 of the second collet 21
Straight setting, and then the fixing bolt 122 of first clamping piece 12 and the fixing bolt 122 of second intermediate plate 22 is made to misplace.
Static tensile test operating procedure:
1. first clamping piece 12 and second intermediate plate 22 that selection matches with tested buckle, and first clamping member 1, second is pressed from both sides
The assembling of gripping member 2 is fixed；
2. the second connection sheet 23 of the second clamping piece 2 being completed is installed under static test- machine in fixture；
3. first clamping member 1 is placed in second intermediate plate 22 in the way of finally installing, tested buckle is pacified
It puts into the first fixation hole 121 and the second fixation hole 221；
4. adjusting testing machine crossbeam position, so that its upper fixture moves down into rational position, the first of first clamping member 1 is connected
Contact pin 13 is installed in upper fixture, completes the installation of entire clamping device and buckle；
5. carrying out the extension test of the buckle according to static tensile test step；
6. after the test, taking out buckle, first clamping member 1 is taken out；
7. repeating the test that step 3-5 carries out next buckle；Different shape buckle is such as needed to change, corresponding first folder is exchanged
Piece 12 and second intermediate plate 22；
8. all tests finish, the clamping device is removed, closes testing machine.
Embodiment 2
As shown in Fig. 2,3,5,6, a kind of stretching clamping device of auto plastics buckle, including first clamping member 1 and second
Clamping piece 2, described first clamping member 1 are located at the top of the second clamping piece 2；
Described first clamping member 1 includes the first collet 11 and first clamping piece 12, and first collet 11 is U-shaped knot
Structure, first collet 11 are equipped with the first feeding channel 14, and first collet 11 includes the first open end 111 and the
One closed end 112, first open end 111 and the first closed end 112 are located at the both ends of the first collet 11, described
First clamping piece 12 is fixed on the first open end 111 of the first collet 11, and the first clamping piece 12 is equipped with the first fixation hole
121, the first closed end 112 of first collet 11 is equipped with the first connection sheet 13；
Second clamping piece 2 includes the second collet 21 and second intermediate plate 22, and second collet 21 is U-shaped knot
Structure, second collet 21 are equipped with the second feeding channel 24, and second collet 21 includes the second open end 211 and the
Two closed ends 212, second open end 211 and the second closed end 212 are located at the both ends of the second collet 21, described
Second intermediate plate 22 is fixed on the second open end 211 of the second collet 21, and the second intermediate plate 22 is located under first clamping piece 12
Side, the second intermediate plate 22 are equipped with the second fixation hole 221 matched with first fixation hole 121, and described the
Second closed end 212 of two collets 21 is equipped with the second connection sheet 23.
Second clamping piece 2 is identical as the structure of first clamping member 1.Second clamping piece 2 is set with first clamping member 1
It counts consistent with function.
The first clamping piece 12 is equipped with several fixing bolts 122, the first clamping piece 12 and described first
Collet 11 is fixedly connected by fixing bolt 122.Intermediate plate is connected by screw bolts with collet, easy to disassemble, can be directed to different
Buckle, the corresponding displacement piece of replacement center hole shape, considerably increases the trial stretch of the clamping device.
The first clamping piece 12 is equipped with counter sink 124, and the fixing bolt 122 is located in counter sink 124, and solid
The thickness for determining the head of bolt 122 is less than the depth of the counter sink 124.By fixing bolt 122 in counter sink 124,
So that fixing bolt 122 no longer protrude in the outside of intermediate plate, and then solve first clamping piece 12 and fixing bolt 122 and second
The problem of fixing bolt 122 of intermediate plate 22 interacts, so that the first feeding channel 14 can both have been put down with the second feeding channel 24
Row setting, can also be vertically arranged.
The axis in the first feeding channel 14 is parallel with the axis in the second feeding channel 24.
Several connecting holes 131 is equipped in first connection sheet 13 and second connection sheet 23.For even
The fixture of contact pin and testing machine is bolted to connection.
Dynamic tensile test operation step:
1. first clamping piece 12 and second intermediate plate 22 that selection matches with tested buckle, and first clamping member 1, second is pressed from both sides
The assembling of gripping member 2 is fixed；
(connected using bolt by second 2. the second clamping piece 2 being completed is installed under dynamic testing machine in fixture
The connecting hole 131 of contact pin 23 is fixedly connected with the lower fixture of dynamic testing machine)；
(connected using bolt by first 3. the first clamping member 1 being completed is installed in dynamic testing machine upper fixture
The connecting hole 131 of contact pin 13 is fixedly connected with the upper fixture of dynamic testing machine)；
4. tested buckle is installed in first fixation hole 121 of first clamping member 1；
5. adjusting testing machine crossbeam, upper fixture is moved down, so that first clamping piece 12 is contacted with second intermediate plate 22, it is fixed by first
Buckle in hole 121 is pressed into the second fixation hole 221, completes clamping (the zwick htm16020 dynamic tensile equipment of the buckle
Upper grip be it is movable, it is unfixed)；
6. completing the secondary test according to dynamic tensile test procedure；
7. buckle is taken out in the secondary off-test；
8. repeating step 4-6, next test is carried out；
9. exchanging corresponding first clamping piece 12 and second intermediate plate 22 if you need to exchange different shape buckle.
10. all tests finish, the clamping device is removed, closes testing machine.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of stretching clamping device of auto plastics buckle, it is characterised in that: including first clamping member and the second clamping piece, institute
The first clamping member stated is located at the top of the second clamping piece；
Described first clamping member include the first collet and first clamping piece, first collet be U-shaped structure, described first
Collet is equipped with the first feeding channel, and first collet includes the first open end and the first closed end, and described first opens
Mouth end and the first closed end are located at the both ends of the first collet, and the first clamping piece is fixed on the first opening of the first collet
End, the first clamping piece are equipped with the first fixation hole, and the first closed end of first collet is equipped with the first connection sheet；
Second clamping piece include the second collet and second intermediate plate, second collet be U-shaped structure, described second
Collet is equipped with the second feeding channel, and second collet includes the second open end and the second closed end, and described second opens
Mouth end and the second closed end are located at the both ends of the second collet, and the second intermediate plate is fixed on the second opening of the second collet
End, the second intermediate plate are located at the lower section of first clamping piece, and the second intermediate plate is equipped with and the first fixation hole phase
Second closed end of the second fixation hole of cooperation, second collet is equipped with the second connection sheet.
2. the stretching clamping device of auto plastics buckle according to claim 1, it is characterised in that: second clamping
Part is identical as the structure of first clamping member.
3. the stretching clamping device of auto plastics buckle according to claim 2, it is characterised in that: the first clamping piece
It is equipped with several fixing bolts, the first clamping piece is fixedly connected with first collet by fixing bolt.
4. the stretching clamping device of auto plastics buckle according to claim 3, it is characterised in that: first collet
Two sides side wall on be equipped with convex block, the first clamping piece is equipped with the groove matched with the convex block, described
Convex block is located in groove.
5. the stretching clamping device of auto plastics according to claim 4 buckle, it is characterised in that: on the convex block with
Threaded hole is equipped in the groove, the fixing bolt is located in threaded hole.
6. the stretching clamping device buckled according to auto plastics described in claim 3-5 any one, it is characterised in that: described
First clamping piece be equipped with counter sink, the fixing bolt is located in counter sink, and the thickness on the head of fixing bolt is less than
The depth of the counter sink.
7. the stretching clamping device of auto plastics buckle according to claim 6, it is characterised in that: first feeding
The axis in channel is parallel with the axis in the second feeding channel.
8. the stretching clamping device of the buckle of auto plastics described in -5 any one according to claim 1, it is characterised in that: described
The first feeding channel axis it is vertical with the axis in the second feeding channel.
9. the stretching clamping device of auto plastics buckle according to claim 1, it is characterised in that: first connection
Several connecting holes is equipped in piece and second connection sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069514.5A CN109580344A (en) | 2019-01-24 | 2019-01-24 | A kind of stretching clamping device of auto plastics buckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069514.5A CN109580344A (en) | 2019-01-24 | 2019-01-24 | A kind of stretching clamping device of auto plastics buckle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109580344A true CN109580344A (en) | 2019-04-05 |
Family
ID=65918018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910069514.5A Pending CN109580344A (en) | 2019-01-24 | 2019-01-24 | A kind of stretching clamping device of auto plastics buckle |
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| Country | Link |
|---|---|
| CN (1) | CN109580344A (en) |
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| CN110086485A (en) * | 2019-05-05 | 2019-08-02 | 京东方科技集团股份有限公司 | Chest card |
| CN113390711A (en) * | 2020-03-11 | 2021-09-14 | 华晨宝马汽车有限公司 | Clamp apparatus |
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