CN102507320B - Single-power two-way stretching method and device - Google Patents
Single-power two-way stretching method and device Download PDFInfo
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- CN102507320B CN102507320B CN201110327272.9A CN201110327272A CN102507320B CN 102507320 B CN102507320 B CN 102507320B CN 201110327272 A CN201110327272 A CN 201110327272A CN 102507320 B CN102507320 B CN 102507320B
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Abstract
The invention discloses a single-power two-way stretching method and device; the method is characterized in that only single power is used to drive stretching and deformation in two directions. The single-power two-way stretching device for realizing the method is characterized in that: the single-power two-way stretching device comprises a base, a cross-shaped platform, an X-direction straight-line guide rail and an X-direction sliding block, a Y-direction straight-line guide rail and a Y-direction sliding block, a Z-direction straight-line guide rail and a Z-direction sliding block, a Y-direction synchronous connecting rod, a test sample chuck, two rolling wheel mechanisms and an isosceles triangle frame; the method and the device in the invention have the advantage that only one servo motor is used to realize two-way stretching, and moreover, the position of the center of a test sample can be kept to be unchanged in the experimental process, so that data can be conveniently acquired through an image technology. The provided experimental device has a simple structure, convenience in operation, low cost and a wide application range, and can be arranged on a common machine tool with the servo motor for performing experiments. Furthermore, any deformation proportion in two directions can be realized.
Description
Technical field
The drawing process and the device that the present invention relates to material mechanical performance test, specifically refer to a kind of single-power two-way stretching method and device thereof.
Background technology
Material mechanical parameters is member to be carried out to the basis of Theoretical Design calculating, in traditional material mechanical performance stretching experiment, it is generally a pair of jaw that utilizes common material experimental machine, two ends at pole shape or lath-shaped sample clamp sample, along specimen length direction, load and carry out one way tensile test, the performance index project that can record is less, only can meet simple designing and calculating requirement.
Development and application along with Computerized Numerical Simulation technology, accuracy requirement to simulation result improves gradually, thereby the accuracy of the mechanical property of material and integrality have also been proposed to new requirement, carry out one way tensile test and cannot obtain comparatively comprehensively mechanical performance index of material, need to carry out two-way stretch experiment to board-like material sample.
Currently used bidirectional extending method, what generally adopt is that two servomotors carry out two-way stretch in orthogonal direction to sample, by programming, make two servomotors produce different actuating speeds, on orthogonal both direction, in the ratio setting, carry out elongation strain when reaching two-way stretch.But such device needs two cover servomotors, and need the biaxial orientation stretching machine of design specialized, cost is higher.
Summary of the invention
For overcoming the shortcoming and defect of prior art, the invention provides the simple and easy to do single-power two-way stretching method of a kind of technological means and device thereof, it only uses the stretching of a power drive both direction.
The present invention is achieved through the following technical solutions:
A kind of single-power two-way stretching method, feature is only the stretcher strain with a power drive both direction, by two isoceles triangle framves, realize bi-directional synchronization and stretch, by adjusting the size of one of them isoceles triangle frame drift angle, adjust the ratio of the deflection of both direction.
Single power two-way stretch device for above-mentioned single-power two-way stretching method, feature is, comprises base, cross platform, directions X line slideway and directions X slide block thereof, Y-direction line slideway and Y-direction slide block thereof, Z direction line slideway and Z direction slide block thereof, Y-direction synchronising (connecting) rod, sample chuck, two idler wheel mechanisms, isoceles triangle frame;
Described cross platform is fixedly mounted on base, and directions X line slideway and Y-direction line slideway are fixedly mounted on cross platform mutual vertically, and Z direction line slideway is fixedly mounted on the column of base;
Described directions X slide block is slidably mounted on directions X line slideway, and described Y-direction slide block is slidably mounted on Y-direction line slideway, and described Z direction slide block is slidably mounted on Z direction line slideway;
Described sample chuck is fixedly mounted on directions X slide block and Y-direction slide block, described synchronising (connecting) rod is two waists that the synchronising (connecting) rod of two equal lengths of Y-direction forms isosceles triangle, the two ends that are synchronising (connecting) rod are rotatedly connected with two slide blocks of Y-direction respectively, and another two ends are hinged and be rotatedly connected with Z direction slide block;
Described two idler wheel mechanisms are arranged on two slide blocks of directions X, the two ends on two equal limits of described isoceles triangle frame are flexibly connected with a slide block of Y-direction respectively, two ends are flexibly connected with the 3rd limit respectively in addition, the middle part on described the 3rd limit is fixed on the 3rd slide block of Y-direction, rolls and contact with idler wheel mechanism in the outside on two limits that equate of described isoceles triangle frame.
On two equal limits of described isoceles triangle frame, be respectively provided with several circular holes, on the 3rd limit, be provided with elongated hole.
The adjustment angle of described isoceles triangle frame is 0 °～90 °.
Described two idler wheel mechanisms are arranged on two slide blocks of directions X by T-shaped groove.
The present invention can be arranged on the existing machine with servomotor and carry out two-way stretch experiment, while carrying out two-way stretch experiment, base is fixedly mounted on lathe, and makes Y-direction consistent with the driven by servomotor direction of lathe.When slide block of driven by servomotor Y-direction produces pulling force and when slide block is moved, synchronising (connecting) rod by two equal lengths of Y-direction moves two slide block synchronous backwards of Y-direction, and drive two slide block synchronous backwards of directions X to move by isoceles triangle frame, realize the synchro-draw of X, Y both direction.By adjusting the angle on isoceles triangle frame summit, make the stretcher strain amount of X, Y both direction realize proportion requirement arbitrarily.
Compared with prior art, the invention has the beneficial effects as follows:
1, only need a servomotor just can realize the stretcher strain of both direction, by two isoceles triangle framves, realize bi-directional synchronization and stretch, by adjusting the size of one of them isoceles triangle frame drift angle, adjust the ratio of the deflection of both direction.And in experimentation, can keep the invariant position at sample center, be convenient to adopt image technique image data.Deflection ratio arbitrarily in the time of can realizing two-way stretch.
2, do not need special-purpose biaxial orientation stretching machine, as long as experimental provision is arranged on the lathe generally with servomotor and just can be tested.
3, simple in structure, easy to operate, cost is low, applied widely, can be arranged on the common lathe with servomotor and test.
Accompanying drawing explanation
Fig. 1 is the general assembly structural representation of single power two-way stretch device of the present invention.
Fig. 2 is for plate type tensile specimen of the present invention.
Fig. 3 is the stretching principle schematic of single power two-way stretch device Y-direction of the present invention.
Fig. 4 is the stretching principle schematic of single power two-way stretch device directions X of the present invention.
Embodiment
Below the specific embodiment of the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Single-power two-way stretching method of the present invention, only with the stretcher strain of a power drive both direction, by two isoceles triangle framves, realize bi-directional synchronization and stretch, by adjusting the size of one of them isoceles triangle frame drift angle, adjust the ratio of the deflection of both direction.
As shown in Figure 1.Single power two-way stretch device of the present invention, comprises base 1, cross platform 2, directions X line slideway 31 and directions X slide block 32 thereof, Y-direction line slideway 41 and Y-direction slide block 42 thereof, Z direction line slideway 51 and Z direction slide block 52 thereof, Y-direction synchronising (connecting) rod 6, sample chuck 7, two idler wheel mechanisms 8, isoceles triangle frame 9; Described cross platform 2 is fixedly mounted on base 1, and directions X line slideway 31 and Y-direction line slideway 41 are fixedly mounted on cross platform 2 mutual vertically, and Z direction line slideway 51 is fixedly mounted on the column of base 1;
Described directions X slide block 32 is slidably mounted on directions X line slideway 31, and described Y-direction slide block 42 is slidably mounted on Y-direction line slideway 41, and described Z direction slide block 52 is slidably mounted on Z direction line slideway 51;
Described sample chuck 7 is fixedly mounted on directions X slide block 32 and Y-direction slide block 42, the synchronising (connecting) rod 6 that described synchronising (connecting) rod 6 is two equal lengths of Y-direction forms two waists of isosceles triangle, the two ends that are synchronising (connecting) rod 6 are rotatedly connected with two slide blocks 42 of Y-direction respectively, and another two ends are hinged and be rotatedly connected with Z direction slide block 52;
Described two idler wheel mechanisms 8 are arranged on two slide blocks 32 of directions X, the two ends on two limits 91 that equate of described isoceles triangle frame 9 are flexibly connected with a slide block 42 of Y-direction respectively, two ends are flexibly connected with the 3rd limit 92 respectively in addition, the middle part on described the 3rd limit 92 is fixed on the 3rd slide block 93 of Y-direction, rolls and contact with idler wheel mechanism 8 in the outside on two equal limits 91 of described isoceles triangle frame 9.
On two limits 91 (connecting rod) that equate of described isoceles triangle frame 9, be provided with several circular holes, on the 3rd limit 92 (connecting rod), be provided with elongated hole, can be used for adjusting the angle on isoceles triangle frame 9 summits.Described isoceles triangle frame 9 can be adjusted within the scope of 0 °～90 °.
Described two idler wheel mechanisms 8 can be arranged on two slide blocks 32 of directions X by T-shaped groove.And can on slide block 32, move and/or fastening.
While carrying out two-way stretch experiment, base 1 is fixedly mounted on the lathe with driven by servomotor, and makes Y-direction consistent with the driven by servomotor direction of lathe.First the sample shown in Fig. 2 is used sample chuck 7 clampings on four slide blocks 32,42 of X, Y-direction.When the slide block 42 of driven by servomotor Y-direction produces tensile force fs and when left slider 42 is moved to the left (as shown in Figure 3), two Y-direction synchronising (connecting) rods 6 by equal length move two slide block 42 synchronous backwards of Y-direction.When the slide block 42 of Y-direction drives isoceles triangle frame 9 to be moved to the left (as shown in Figure 4), two limits 91 that equate of isoceles triangle frame 9 drive two slide block 32 synchronous backwards of directions X to move by pushing rolling wheels mechanism 8, thereby sample are carried out to the synchro-draw of X, Y both direction.Two limit 91 correspondences that equate of isoceles triangle frame 9 are installed on the diverse location of elongated hole on the 3rd limit 92, just can adjust the angle on isoceles triangle frame 9 summits, make sample realize different ratios in the size of the stretcher strain amount of X, Y both direction.Such as when isoceles triangle frame 9 summit angles are 90 °, the ratio of the deflection of X, Y both direction is 1: 1; When angle is 53.1 °, the ratio of the deflection of X, Y both direction is 1: 2.When angle is adjusted within the scope of 0～90 °, just can obtain both direction deflection ratio arbitrarily.
Carry out two-way stretch when experiment, because the slide block of X, Y both direction is synchronous backward motion, so holding position in stretcher strain process, the central area of sample is constant, be convenient to adopt image technique to gather deformation data.
As mentioned above, just can realize preferably the present invention, above-described embodiment is only preferred embodiment of the present invention, is not used for limiting practical range of the present invention; Be that all equalizations of doing according to content of the present invention change and modify, all by the claims in the present invention scope required for protection, contained.
Claims (5)
1. a single power two-way stretch device, it is characterized in that, comprise base, cross platform, directions X line slideway and directions X slide block thereof, Y-direction line slideway and Y-direction slide block thereof, Z direction line slideway and Z direction slide block thereof, Y-direction synchronising (connecting) rod, sample chuck, two idler wheel mechanisms, isoceles triangle frame;
Described cross platform is fixedly mounted on base, and directions X line slideway and Y-direction line slideway are fixedly mounted on cross platform mutual vertically, and Z direction line slideway is fixedly mounted on the column of base;
Described directions X slide block is slidably mounted on directions X line slideway, and described Y-direction slide block is slidably mounted on Y-direction line slideway, and described Z direction slide block is slidably mounted on Z direction line slideway;
Described sample chuck is fixedly mounted on directions X slide block and Y-direction slide block, described synchronising (connecting) rod is two waists that the synchronising (connecting) rod of two equal lengths of Y-direction forms isosceles triangle, the two ends that are synchronising (connecting) rod are rotatedly connected with two slide blocks of Y-direction respectively, and another two ends are hinged and be rotatedly connected with Z direction slide block;
Described two idler wheel mechanisms are arranged on two slide blocks of directions X, the two ends on two limits that equate of described isoceles triangle frame are flexibly connected with a slide block of Y-direction respectively, two ends are flexibly connected with the 3rd limit respectively in addition, the middle part on described the 3rd limit is fixed on the 3rd slide block of Y-direction, rolls and contact with idler wheel mechanism in the outside on two limits that equate of described isoceles triangle frame.
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2. single power two-way stretch device according to claim 1, is characterized in that, on two equal limits of described isoceles triangle frame, is respectively provided with several circular holes, on the 3rd limit, is provided with elongated hole.
3. single power two-way stretch device according to claim 2, is characterized in that, the adjustment angle of described isoceles triangle frame drift angle is 0 °～90 °.
4. single power two-way stretch device according to claim 1, is characterized in that, described two idler wheel mechanisms are arranged on two slide blocks of directions X by T-shaped groove.
5. the drawing process of single power two-way stretch device described in any one in a claim 1～4, it is characterized in that, only with the stretcher strain of a power drive both direction, by two isoceles triangle framves, realize bi-directional synchronization and stretch, by adjusting the size of one of them isoceles triangle frame drift angle, adjust the ratio of the deflection of both direction;
Describedly by two isoceles triangle framves, realize bi-directional synchronization stretching detailed process and be: when a slide block of driven by servomotor Y-direction produces tensile force f left slider is moved to the left, two Y-direction synchronising (connecting) rods by equal length move two slide block synchronous backwards of Y-direction; When the slide block of Y-direction drives isoceles triangle frame to be moved to the left, two limits that equate of isoceles triangle frame drive two slide block synchronous backwards of directions X to move by pushing rolling wheels mechanism, thereby sample are carried out to the synchro-draw of X, Y both direction.
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| CN201110327272.9A CN102507320B (en) | 2011-10-25 | 2011-10-25 | Single-power two-way stretching method and device |
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| CN201110327272.9A CN102507320B (en) | 2011-10-25 | 2011-10-25 | Single-power two-way stretching method and device |
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| CN102507320A CN102507320A (en) | 2012-06-20 |
| CN102507320B true CN102507320B (en) | 2014-04-02 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102391A (en) * | 1986-04-07 | 1987-12-23 | 天津纺织工学院 | Biaxial electronic tensile test machine |
| CN1888855A (en) * | 2006-07-14 | 2007-01-03 | 清华大学 | Single-axle double-direction symmetric stretching experimental machine |
| CN201002337Y (en) * | 2006-12-31 | 2008-01-09 | 大连橡胶塑料机械股份有限公司 | Bidirectional synchronization drawing clamp mechanism |
| CN101907538A (en) * | 2010-07-29 | 2010-12-08 | 哈尔滨工业大学 | Mechanical biaxial tension tester with variable proportion loading |
| CN202284999U (en) * | 2011-10-25 | 2012-06-27 | 华南理工大学 | Single power two-way stretch device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR920002363B1 (en) * | 1987-06-17 | 1992-03-23 | 이 아이 듀우판 디 네모아 앤드 캄파니 | System for using synchronous secondaries of a linear motor to biaxially draw plastic films |
-
2011
- 2011-10-25 CN CN201110327272.9A patent/CN102507320B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102391A (en) * | 1986-04-07 | 1987-12-23 | 天津纺织工学院 | Biaxial electronic tensile test machine |
| CN1888855A (en) * | 2006-07-14 | 2007-01-03 | 清华大学 | Single-axle double-direction symmetric stretching experimental machine |
| CN201002337Y (en) * | 2006-12-31 | 2008-01-09 | 大连橡胶塑料机械股份有限公司 | Bidirectional synchronization drawing clamp mechanism |
| CN101907538A (en) * | 2010-07-29 | 2010-12-08 | 哈尔滨工业大学 | Mechanical biaxial tension tester with variable proportion loading |
| CN202284999U (en) * | 2011-10-25 | 2012-06-27 | 华南理工大学 | Single power two-way stretch device |
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