CN201780235U - Thin metal board bending test device - Google Patents
Thin metal board bending test device Download PDFInfo
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- CN201780235U CN201780235U CN2010202665539U CN201020266553U CN201780235U CN 201780235 U CN201780235 U CN 201780235U CN 2010202665539 U CN2010202665539 U CN 2010202665539U CN 201020266553 U CN201020266553 U CN 201020266553U CN 201780235 U CN201780235 U CN 201780235U
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Abstract
The utility model discloses a thin metal board bending test device, which comprises a base, a sample clamping bottom board and a sample press board. The sample clamping bottom board is welded and fixed onto the base and provided with sample grooves, the sample press board is fixed onto the sample clamping bottom board through screws and covers the sample grooves, thin metal boards are arranged inside the sample grooves and fixed onto the sample press board in a squeezed manner through compression bolts arranged on the sample clamping bottom board, a semicircular-sectioned press head is arranged at the end of the sample press board, and the diameter of the press head is equal to the thickness of the sample press board. The thin metal board bending test device facilitates bending performance test of the thin metal boards, and increases accuracy of the bending performance test of the thin metal boards.
Description
Technical field
The utility model relates to the test unit in a kind of detection technique, particularly a kind of sheet metal bend test device.
Background technology
Bending test is one of basic skills of mechanical property of materials test, purpose is the mechanical characteristic when measuring material and bearing bending load, promptly the flexural deformation performance of coming experimental material to bear the regulation degree of crook with test method checks whether outside, the inside and the side of sample sweep has crackle, brisement and layering.Bending test is generally carried out on the universal material machine, has three-point bending and four-point bending to add the load mode for two kinds.The bending test of ferrous materials is also referred to as cold bend test, and the sample with definite shape and size during test places on the bend test device, with the flexual center of specified diameter sample is bent to desired angle after, removal test power checks that sample bears deformation performance.Check the sample crooked outer surface according to the related standards regulation, carry out result evaluation; If no concrete standard code, then according to flawless, crack or brisement, it is qualified to be assessed as.For bending test, the flexual center diameter must meet the regulation of related standards, and the cambered surface width of clod wash pressure head must be greater than the width or the diameter of sample, and strict guarantee flexual center position does not change in process of the test.
Owing to the requirement of properties of product, need carry out the bending test of D=1t to the sheet metal of 0.8～2.0mm thickness, wherein D is the flexual center diameter, t is a sheet metal thickness.And at present, bending test is carried out on universal testing machine usually, the sheet metal of 0.8～2.0mm thickness, the flexual center diameter is very little, so the enough rigidity of the very difficult assurance of clod wash pressure head, particularly when welding joint is tested, slippage very easily takes place in crooked position, causes test failure.Can not satisfy the testing requirements of the sheet metal of 0.8～2.0mm thickness based on the existing Apparatus for Bending at low-temp of above reason, doing this type of test at present in testing laboratory only can adopt craft directly to bend, can not guarantee the distortion of pressurized advancing side evenly, can not guarantee the precision of flexual center diameter, the test findings error is bigger.
The utility model content
For addressing the above problem, the utility model provides a kind of sheet metal bend test device, can satisfy the needs of sheet metal bending test, improves the accuracy of measuring.
For achieving the above object, sheet metal bend test device of the present utility model comprises base, sample holder base plate and sample pressing plate, and described sample holder base plate is weldingly fixed on the described base, offers the sample groove on the described sample holder base plate; Described sample pressing plate by screw retention on described sample holder base plate and cover described sample groove; The sheet metal sample places in the sample groove, and is fixed on the described sample pressing plate by the hold-down bolt extruding that is arranged on the described sample holder base plate; It is semicircular pressure head that the end of described sample pressing plate is provided with cross sectional shape, and the diameter of described pressure head equates with the thickness of described sample pressing plate.
Preferably, sheet metal bend test device of the present utility model also comprises crooked load plate, described crooked load plate is connected through the hinge by two block plates and constitutes, and described crooked load plate and described sample are fitted, and the hold-down bolt on the described sample holder base plate acts on the described crooked load plate.
Described base is provided with the angle index line that is used to read the sample angle of bend.
Sheet metal bend test device of the present utility model has following characteristics: the operation simple installation, and can be according to the sample pressing plate of different flexual center diameter replacing different-thickness; Can accurately guarantee the bending position of sample, overcome the not enough problem that the offset of pressurized tension takes place of small dimension pressure head rigidity in the past.By sheet metal bend test device of the present utility model, made things convenient for the bending property test of sheet metal, improved sheet metal bending property accuracy rating of tests.
Description of drawings
Fig. 1 is the synoptic diagram of sheet metal bend test device of the present utility model;
Fig. 2 is the side view of sheet metal bend test device among Fig. 1;
Fig. 3 is that the A-A of sheet metal bend test device among Fig. 1 is to cut-open view;
Fig. 4 is the local enlarged diagram in B zone among Fig. 3.
Embodiment
Fig. 1 is the synoptic diagram of sheet metal bend test device of the present utility model, Fig. 2 is the side view of sheet metal bend test device among Fig. 1, Fig. 3 be the A-A of sheet metal bend test device among Fig. 1 to cut-open view, Fig. 4 is the local enlarged diagram in B zone among Fig. 3.Shown in Fig. 1～4, sheet metal bend test device of the present utility model comprises base 10, sample holder base plate 20 and sample pressing plate 30, described sample holder base plate 20 is weldingly fixed on the described base 10, offers sample groove 21 on the described sample holder base plate 20; Described sample pressing plate 30 is fixed on the described sample holder base plate 20 by screw 31 and covers described sample groove 21; Sheet metal sample 40 places in the sample groove 21, and is fixed on the described sample pressing plate 30 by hold-down bolt 22 extruding that are arranged on the described sample holder base plate 20; It is semicircular pressure head 32 that the end of described sample pressing plate 30 is provided with cross sectional shape, and the diameter of described pressure head 32 equates with the thickness of described sample pressing plate 30.
Described pressure head 32 can be processed into the semicircle cambered surface by the head with described sample pressing plate 30 and realize, guarantees that its diameter equates with the thickness of described sample pressing plate 30.
When adopting above-mentioned sheet metal bend test device of the present utility model to carry out bending test, can clamp sample 40 by pliers and carry out load bending, in order to make sample 40 stressed even, sheet metal bend test device of the present utility model also comprises crooked load plate 50, described crooked load plate 50 is connected and composed by hinge 53 by two block plates 51,52, described crooked load plate 50 is fitted with described sample 40, and the hold-down bolt 22 on the described sample holder base plate 20 acts on the described crooked load plate 50.
The width of described crooked load plate 50 is consistent with described sample 40, length should be greater than the length of described sample 40, material adopts high-strength steel to guarantee enough rigidity, the complete bend specimen 40 of energy when applying external force, hinge 53 guarantees that the spacing of 51,52 of two block plates is not less than 5mm, has enough gaps to allow that sample 40 carries out bending thereby make in bend specimen 40 processes.Crooked load plate 50 is used for sample 40 is loaded, and when the curved end of sample 40 was fitted described sample pressing plate 30 fully, angle of bend reached 180 °.
The width basically identical of the width of sample groove 21 and sample 40 guarantees that sample 40 and crooked load plate 50 do not rotate in BENDING PROCESS.
For the convenient installation site of determining described sample pressing plate 30, can on described base 10, datum line 11 be set, during installation, described datum line 11 is aimed on the summit of the pressure head 32 of described sample pressing plate 30.For making things convenient for the angle of bend of Direct observation sample 40, described base 10 is provided with the angle index line 12 that is used to read sample 40 angle of bend, and wherein datum line 11 and angle of bend are that 90 ° scale mark overlaps.
Adopt sheet metal bend test device of the present utility model, the thin plate that can be 0.8mm～2.0mm to the thickness of difficult test at present carries out the test of D=1t bending property, wherein D is the flexual center diameter, and t is the sheet metal sample thickness, and the flexual center diameter equates with the thickness of sample 40.During test, at first base 10 usefulness bench vices are fixed on the platform, in the sample groove 21 during sample 40 and crooked load plate 50 also are fixed on hold-down bolt 22, the summit alignment fiducials line 11 of the pressure head 32 of described sample pressing plate 30.
The crooked loading realized by crooked load plate 50, can guarantee sample 40 when pressure head 32 carries out pressurized or tension, and evenly, this is consistent with situation under the traditional universal testing machine loading on sample 40 Widths for power and deformation.Because the bending on the horizontal direction is adopted in test, and the operator can observe the situation of sample tension face simultaneously in BENDING PROCESS, the angle index line 12 on the coupling apparatus is observed the critical bends angle that cracking takes place sample 40 simultaneously.
At the sheet metal of different-thickness, can change different sample pressing plates 30 by flexual center diameter according to the rules.
Claims (4)
1. a sheet metal bend test device is characterized in that, comprises base (10), sample holder base plate (20) and sample pressing plate (30),
Described sample holder base plate (20) is weldingly fixed on the described base (10), offers sample groove (21) on the described sample holder base plate (20);
Described sample pressing plate (30) is fixed on described sample holder base plate (20) by screw (31) and goes up and cover described sample groove (21);
Sheet metal sample (40) places in the described sample groove (21), and is fixed on the described sample pressing plate (30) by hold-down bolt (22) extruding that is arranged on the described sample holder base plate (20);
It is semicircular pressure head (32) that the end of described sample pressing plate (30) is provided with cross sectional shape, and the diameter of described pressure head (32) equates with the thickness of described sample pressing plate (30).
2. sheet metal bend test device as claimed in claim 1, it is characterized in that, also comprise crooked load plate (50), described crooked load plate (50) is connected and composed by hinge (53) by two block plates (51,52), described crooked load plate (50) is fitted with described sample (40), and the hold-down bolt (22) on the described sample holder base plate (20) acts on the described crooked load plate (50).
3. sheet metal bend test device as claimed in claim 2 is characterized in that, the spacing between described two block plates (51,52) is not less than 5mm.
4. sheet metal bend test device as claimed in claim 1 or 2 is characterized in that, described base (10) is provided with the angle index line (12) that is used to read sample (40) angle of bend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202665539U CN201780235U (en) | 2010-07-21 | 2010-07-21 | Thin metal board bending test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202665539U CN201780235U (en) | 2010-07-21 | 2010-07-21 | Thin metal board bending test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201780235U true CN201780235U (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202665539U Expired - Fee Related CN201780235U (en) | 2010-07-21 | 2010-07-21 | Thin metal board bending test device |
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| CN (1) | CN201780235U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252904A (en) * | 2011-05-06 | 2011-11-23 | 中国航空工业集团公司西安飞机设计研究所 | Lug structure clamping method |
| CN108801802A (en) * | 2018-06-05 | 2018-11-13 | 航天工程装备（苏州）有限公司 | A kind of device and test method for T connector crooked test |
| CN113125277A (en) * | 2021-03-24 | 2021-07-16 | 万向一二三股份公司 | Soft package lithium ion battery bending deformation testing equipment and testing method thereof |
| CN113340745A (en) * | 2021-05-31 | 2021-09-03 | 重庆鸽牌电线电缆有限公司 | Method for detecting performance of nose clip for mask |
-
2010
- 2010-07-21 CN CN2010202665539U patent/CN201780235U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252904A (en) * | 2011-05-06 | 2011-11-23 | 中国航空工业集团公司西安飞机设计研究所 | Lug structure clamping method |
| CN108801802A (en) * | 2018-06-05 | 2018-11-13 | 航天工程装备（苏州）有限公司 | A kind of device and test method for T connector crooked test |
| CN113125277A (en) * | 2021-03-24 | 2021-07-16 | 万向一二三股份公司 | Soft package lithium ion battery bending deformation testing equipment and testing method thereof |
| CN113340745A (en) * | 2021-05-31 | 2021-09-03 | 重庆鸽牌电线电缆有限公司 | Method for detecting performance of nose clip for mask |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20150721 |
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| EXPY | Termination of patent right or utility model |