CN202974736U - Stretching test piece die - Google Patents
Stretching test piece die Download PDFInfo
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- CN202974736U CN202974736U CN 201220655000 CN201220655000U CN202974736U CN 202974736 U CN202974736 U CN 202974736U CN 201220655000 CN201220655000 CN 201220655000 CN 201220655000 U CN201220655000 U CN 201220655000U CN 202974736 U CN202974736 U CN 202974736U
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- test specimen
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Abstract
The utility model discloses a stretching test piece die. The stretching test piece die comprises an upper die, a bottom plate, connecting bolts and nuts, wherein the upper die is fixed on the bottom plate; the upper die comprises two side plates and two end plates, and the two side plates and the two end plates serving as four frames of an upper die groove; the inner sides of the side plates are provided with grooves for installing the end plates, the grooves of the side plats are in fit with the end parts of the end plates, the end plates are sandwiched between the two side plates, and the end parts of the end plates are inserted in the grooves of the side plates; and each of the two ends of the side plates is provided with a bolt hole, the two ends of the connecting bolts pass through the opposite bolt holes of the two side plates, the nuts are screwed on the end parts of the connecting bolts, and thus the end plates are sandwiched between the two side plates. The stretching test piece die provided by the utility model is suitable for industrial manufacture; the disassembly and assembly are convenient, end plates with different widths can be changed so as to prepare test pieces with different widths, and therefore, the die cost is reduced.
Description
[technical field]
The utility model relates to test piece mould, relates in particular to a kind of tensile test specimen mould.
[background technology]
Tensile property is one of important mechanical property of material, and is simple and reliable, repeatably the tensile test specimen preparation method is related to the accuracy of conventional efficient and experimental result.At present, extensively general tensile test specimen metric system Preparation Method is not yet arranged, the tensile test specimen preparation method ubiquity of " suiting measures to local conditions ".For organic glue, as epoxy resin, the experimenter often adopts parallel being placed on glass film plates of glass lath that several 30-50mm are wide, leave certain intervals between lath, base plate and lath surrounding are wrapped up in wide adhesive tape envelope, resin liquid are injected the space, curing molding.The tensile test specimen width dimensions that this method obtains is wayward, and the surface also is difficult for floating, and also will paste to lath two ends the reinforcing such as fiber cloth before stretching experiment, and lath can rupture in the centre when the stretching experiment to reach.Also the several piece metal sheet of useful approximately 3mm thickness is placed on glass film plates, and preparation dog bone shape test specimen is not reinforced although this test specimen need to not carry out the end patch usually when stretching experiment, and metal sheet is yielding, reuses number of times low.No matter adopt glass lath or metal sheet as mould, all only limit to the good slurry moulding by casting of rheological, can not powerful vibration moulding.For the cement-based material tensile test specimen, usually way is the larger prism of first moulding, maintenance is to certain length of time, be polished into a chainsaw the shape of tensile test specimen with emery wheel cutting, this method wastes time and energy, efficient is extremely low, also can't guarantee the homogeneity of sample dimensions, the huge noise and the dust pollution that produce during the preparation test specimen also impact environment and experimenter.
In order to address the above problem, Chinese utility model patent 200920284845.2 discloses a kind of resin cast body drawing die, can install easily, dismantle, use, resin bay pour mass batten can disposal molding, namely can be used for the mensuration of tensile property after modifying a little.But the width of this die casting test specimen is unadjustable, and a kind of test specimen of width needs a kind of mould, has increased experimentation cost.
[summary of the invention]
The technical problems to be solved in the utility model is to provide a kind of tensile test specimen mould that the minority parts just can adapt to the different in width test specimen of changing.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of tensile test specimen mould, comprise patrix, base plate, coupling bolt and nut, patrix is fixed on above base plate, patrix comprises two blocks of side plates and two end plates, and two blocks of side plates and two end plates form four frames of upper model groove; The inboard of side plate comprises the groove that end plate is installed, and the groove of side plate and the end of end plate are adaptive, and end plate is clipped between two blocks of side plates, and the groove of side plate is inserted in the end of end plate; The two ends of side plate respectively comprise 1 bolt hole, and two bolts hole that side plate is relative are passed at the two ends of coupling bolt, and nut is spun on the end of coupling bolt, and end plate is clamped between two blocks of side plates.
Above-described tensile test specimen mould, the middle part of side plate comprise an inside projection, and being shaped as of projection is trapezoidal, and projection is consistent with the height of side plate at the height of vertical direction.
Arc transition between above-described tensile test specimen mould, side plate inside surface each plane.
Above-described tensile test specimen mould comprises intermediate plate, and the inboard in the middle part of end plate comprises the groove of mounting center plate, and the groove of end plate and the end of central plate are adaptive, and central plate is clipped between two end plates, and the groove of end plate is inserted in the end of central plate.
Above-described tensile test specimen mould, the middle part of central plate both sides respectively comprises an inside projection, and being shaped as of projection is trapezoidal, and projection is consistent with the height of side plate at the height of vertical direction.
Arc transition between above-described tensile test specimen mould, both side surface each plane.
Above-described tensile test specimen mould comprises two foundation crab bolts and two gland nuts, and bed bolt is arranged in the middle part at base plate two ends vertically, and lower end and the base plate of bed bolt are fixed; The middle part of coupling bolt comprises that bed bolt hole, the top of bed bolt pass the bed bolt hole, and gland nut is spun on the screw thread at bed bolt top, the bottom surface of gland nut be pressed in coupling bolt the middle part above.
Above-described tensile test specimen mould, the lower end of bed bolt is welded on base plate; Described gland nut is eyenut.
The utility model tensile test specimen mould is suitable for industry manufacturing, easy accessibility, just can prepare the test specimen of different in width as long as change the end plate of different in width, is conducive to save die cost.
[description of drawings]
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the front view of the utility model tensile test specimen mould embodiment.
Fig. 2 is the vertical view of the utility model tensile test specimen mould embodiment.
Fig. 3 is that A in Fig. 2 is to cut-open view.
Fig. 4 is the vertical view of the utility model tensile test specimen mould embodiment side plate.
Fig. 5 is the vertical view of the utility model tensile test specimen mould embodiment end plate.
[embodiment]
To the utility model embodiment shown in Figure 3, the tensile test specimen mould comprises patrix and base plate 1 at Fig. 1.
Patrix is fixed on above base plate 1, and patrix comprises two blocks of side plates 2, two end plates 3 and an intermediate plate 4.Two blocks of side plates 2 and two end plates 3 form four frames of upper model grooves.
There is the groove 201 that end plate is installed the inboard at the two ends of side plate 2, and the groove 201 of side plate 2 is adaptive with the end 301 of end plate 3, and end plate 3 is clipped between two blocks of side plates 2, and the groove 201 of side plate 2 is inserted in the end 301 of end plate 3.
The two ends of side plate 2 respectively comprise a bolt hole 202, and two bolts hole 202 that side plate 2 is relative are passed at the two ends of coupling bolt 5, and nut 6 is spun on the end of coupling bolt 5, and end plate 3 is clamped between two blocks of side plates 2.
The middle part of side plate 2 comprises an inside projection 203, and being shaped as of projection 203 is trapezoidal, and projection is consistent with the height of side plate 2 at the height of vertical direction.Arc transition between each plane of side plate 2 inside surfaces.
There is the groove 302 of mounting center plate the inboard at end plate 3 middle parts, and the groove 302 of end plate is adaptive with the end 401 of central plate 4, and central plate 4 is clipped between two end plates 3, and the groove 302 of end plate is inserted in the end 401 of central plate 4.
Rotational symmetry in central plate 4, the middle part of central plate 4 both sides respectively comprises an inside projection 402, and being shaped as of projection 402 is trapezoidal, and size is the same with side plate projection 203.Projection 402 is consistent with the height of side plate 2 at the height of vertical direction.Arc transition between each plane of central plate 4 both side surface.
Comprise two foundation plate 1 bolts and two gland nuts, bed bolt 7 is arranged in the middle part at base plate 1 two ends vertically, the lower end of bed bolt 7 and base plate 1 welding.The middle part overstriking of coupling bolt 5, thickened portion has bed bolt hole 501, and the top of bed bolt 7 is upward through bed bolt hole 501, and gland nut 8 is spun on the screw thread at coupling bolt 5 tops, the bottom surface of gland nut 8 be pressed in coupling bolt 5 the middle part above, patrix is fixed on base plate 1.
Be two duplicate dumbbell shape grooves in mould after the above embodiment of the utility model assembles.With preparing the organic gel test specimen after the mould inside covered with plastic film that assembles, can prepare the cement-based material test specimen after inner coating release agent.
In order to adapt to the needs of different in width test specimen, end plate that can the well in advance different in width when using the end plate of different in width, just can change the distance between central plate 4 and side plate 1, so can prepare the examination body of different in width.
Compare with existing tensile test specimen preparation method, the above embodiment of the utility model has the following advantages:
1. industrialization manufacturing simple for structure, suitable.
2. can adopt the stainless steel manufacturing, not yielding, long service life.
3. one module multiple usages, by changing end plate, can realize that a kind of mould prepares the tensile sample of multiple section size, avoided a kind of way of a kind of mould of sample needs of size, is conducive to save die cost.
4. versatility is good, namely can be used for organic gel liquid, also can be used for the preparation of compound slip, cement-based material (clean slurry, mortar, concrete) tensile test specimen.Namely can be used for the good slurry moulding by casting of rheological, also can be used for the vibration moulding of plasticity, dry material.
5. the test specimen stretching force area smooth surface of preparation without obvious corner angle, is difficult for causing stress to concentrate.
Claims (8)
1. a tensile test specimen mould, comprise patrix and base plate, and patrix is fixed on above base plate, it is characterized in that, comprises coupling bolt and nut, and patrix comprises two blocks of side plates and two end plates, and two blocks of side plates and two end plates form four frames of upper model groove; The inboard of side plate comprises the groove that end plate is installed, and the groove of side plate and the end of end plate are adaptive, and end plate is clipped between two blocks of side plates, and the groove of side plate is inserted in the end of end plate; The two ends of side plate respectively comprise 1 bolt hole, and two bolts hole that side plate is relative are passed at the two ends of coupling bolt, and nut is spun on the end of coupling bolt, and end plate is clamped between two blocks of side plates.
2. tensile test specimen mould according to claim 1, is characterized in that, the middle part of side plate comprises an inside projection, and being shaped as of projection is trapezoidal, and projection is consistent with the height of side plate at the height of vertical direction.
3. tensile test specimen mould according to claim 2, is characterized in that, arc transition between side plate inside surface each plane.
4. tensile test specimen mould according to claim 1, is characterized in that, comprises intermediate plate, the inboard at end plate middle part comprises the groove of mounting center plate, the groove of end plate and the end of central plate are adaptive, and central plate is clipped between two end plates, and the groove of end plate is inserted in the end of central plate.
5. tensile test specimen mould according to claim 4, is characterized in that, the middle part of central plate both sides respectively comprises an inside projection, and being shaped as of projection is trapezoidal, and projection is consistent with the height of side plate at the height of vertical direction.
6. tensile test specimen mould according to claim 5, is characterized in that, arc transition between central plate both side surface each plane.
7. tensile test specimen mould according to claim 1, is characterized in that, comprises two foundation crab bolts and two gland nuts, and bed bolt is arranged in the middle part at base plate two ends vertically, and lower end and the base plate of bed bolt are fixed; The middle part of coupling bolt comprises that bed bolt hole, the top of bed bolt pass the bed bolt hole, and gland nut is spun on the screw thread at bed bolt top, the bottom surface of gland nut be pressed in coupling bolt the middle part above.
8. tensile test specimen mould according to claim 7, is characterized in that, the lower end of bed bolt is welded on base plate; Described gland nut is eyenut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220655000 CN202974736U (en) | 2012-12-03 | 2012-12-03 | Stretching test piece die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220655000 CN202974736U (en) | 2012-12-03 | 2012-12-03 | Stretching test piece die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202974736U true CN202974736U (en) | 2013-06-05 |
Family
ID=48515794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220655000 Expired - Fee Related CN202974736U (en) | 2012-12-03 | 2012-12-03 | Stretching test piece die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202974736U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014860A (en) * | 2015-08-07 | 2015-11-04 | 上海交通大学 | Glue joint structural part manufacturing tool adapting to different sizes |
| CN109001011A (en) * | 2018-05-23 | 2018-12-14 | 东南大学 | A kind of fiber cement composites are uniaxially stretched specimen molding device and method |
| CN111579344A (en) * | 2020-06-22 | 2020-08-25 | 大连理工大学 | Forming die of tensile test piece of fiber reinforced plastic |
-
2012
- 2012-12-03 CN CN 201220655000 patent/CN202974736U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014860A (en) * | 2015-08-07 | 2015-11-04 | 上海交通大学 | Glue joint structural part manufacturing tool adapting to different sizes |
| CN109001011A (en) * | 2018-05-23 | 2018-12-14 | 东南大学 | A kind of fiber cement composites are uniaxially stretched specimen molding device and method |
| CN111579344A (en) * | 2020-06-22 | 2020-08-25 | 大连理工大学 | Forming die of tensile test piece of fiber reinforced plastic |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130605 Termination date: 20151203 |
|
| EXPY | Termination of patent right or utility model |