CN205091199U - A electron pulling force machine for carbon -fibre composite capability test - Google Patents
A electron pulling force machine for carbon -fibre composite capability test Download PDFInfo
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- CN205091199U CN205091199U CN201520867160.6U CN201520867160U CN205091199U CN 205091199 U CN205091199 U CN 205091199U CN 201520867160 U CN201520867160 U CN 201520867160U CN 205091199 U CN205091199 U CN 205091199U
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- clamping
- wedge block
- fibre composite
- carbon fibre
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Abstract
The utility model provides an electron pulling force machine for carbon -fibre composite capability test, including fixture, fixture includes base, centre gripping body, wedge slider, the base is U type form. The both sides inner wall of base is close to the opening part and is fixed with the centre gripping body respectively. The opposite face of two centre gripping bodies is the inclined plane. Be fixed with the wedge slider on the inclined plane of two centre gripping bodies respectively, the wedge slider slides about doing for the centre gripping body. The wedge slider is the glide plane with the contact surface of centre gripping body, and the face relative with the glide plane is the clamping face. The clamping face is the perpendicular. The glide plane is 20-40 with the contained angle of clamping face. Two wedge sliders are when sliding to U type base opening part, and the distance between the clamping face of two wedge sliders shortens. Compared with the prior art, through the gradient that increases the wedge slider, shorten the tight process of clamp along with furnace parts, reduce the possibility along with furnace parts slip, displacement.
Description
Technical field
The utility model relates to workpiece Performance Detection technical field, specifically for electronic tensile machine that carbon fibre composite detects with stove part.
Background technology
Carbon fiber is a kind of fibrous carbon material.It is that a kind of strength ratio steel is large, density ratio aluminium is little, more corrosion-resistant than stainless steel, more high temperature resistant than heat-resisting steel, has coppery electric conductivity again, and it has the new material of the electricity of many preciousnesses, calorifics and mechanical property.With the product that carbon fibre composite is made, while having sufficient intensity, light structure, consumption of power is few.It is one of important materials of current and later occuping market.
Because carbon fibre composite has above-mentioned all premium properties, a large amount of for fields such as space flight apparatus, vehicle, medical treatment at present, these fields are very high for the parts performance requirement of machinery, and control errors is in very low range.This just has higher requirement to the Performance Detection precision with stove part in carbon fibre composite manufacturing process.And the quality of electron detection device directly affects testing result.
For the Performance Detection of carbon fiber with stove part, mainly will be clamped between two chucks with stove part, two chuck reverse direction motions, by being positioned at force value sensor on chuck and the built-in displacement transducer of machine, collect the force value change in experimentation and change in displacement, thus calculate with stove part stretching, tear, the performance index such as deformation rate.
At present, electronic tensile machine often adopts wedge-shaped clamping mechanism, by wedge block in opposite directions close to and dorsad away from, what realize clamp system clamps and releases workpiece.Generally, the lower clamp system of electronic tensile machine is fixing not to move, and upper clamping mechanism deviates from lower angle mechanism and moves upward.When upper clamping mechanism moves upward in process, two pieces of wedge blocks are extruded thus clamping work pieces gradually.At present wedge block on the market dip plane and the angle of clamping face mostly be about 20 °, the wedge block of this angle, in the process of clamping work pieces, need one section of longer sliding distance, also namely sliding time is long, in the process of clamping work pieces, workpiece is easily subjected to displacement, and causes final detection result out of true.
For detecting the electronic tensile machine of plate, the clamping face of its wedge block is mostly vertical plane, on this vertical plane, usually arrange some structures, as protruding matrix, straight screw thread etc., to increase the contact area of clamping face and workpiece, and increasing friction force.But it is little still to there is contact area, easily there is the problem of skew, so testing result is often not accurate.
Utility model content
The purpose of this utility model is to solve in prior art with the defect that stove part is easily subjected to displacement in clamping process, providing a kind of electronic tensile machine for carbon fibre composite performance test to solve the problems referred to above.
The utility model is achieved through the following technical solutions above-mentioned technical purpose:
For an electronic tensile machine for carbon fibre composite performance test, comprise clamping device; Described clamping device comprises pedestal, clamping body, wedge block; Described pedestal is U-shaped shape; The both sides inwall of described pedestal is fixed with clamping body respectively near opening part; The opposite face of described two pieces of clamping bodies is dip plane; The dip plane of described two pieces of clamping bodies is fixed with wedge block respectively; Described wedge block slides up and down relative to clamping body; The surface of contact of described wedge block and described clamping body is slipping plane, and the face relative with slipping plane is clamping face; Described clamping face is vertical plane; The angle of described slipping plane and described clamping face is 20 ° ~ 40 °; The dip plane of described clamping body is identical with direction with the slipping plane angle of inclination of described wedge block; Described two pieces of wedge blocks when sliding to U-shaped pedestal opening place, the Distance Shortened between the clamping face of two pieces of wedge blocks.
Preferably, the inner chamber of described U-shaped pedestal is trapezoidal, and described lumen openings width is less than the width of intracavity bottom; The dip plane of described clamping body is identical with direction with the angle of inclination of described intracavity sidewall.
Preferably, the slipping plane of described wedge block and the angle of described clamping face are 30 °.
Preferably, described clamping body and described wedge block are linked together by the dovetail groove that arranges and dovetail ridge fit structure; Described dovetail groove is identical with the slipping plane of described wedge block with direction with the angle of inclination of dovetail ridge.
Preferably, described clamping body is parallelogram.
Preferably, described clamping body is bolted on described pedestal.
Preferably, described electronic tensile machine comprises two clamping devices; Described two clamping devices are upper and lower to be symmetrical arranged and the pedestal opening of described two clamping devices is relative.
Preferably, the clamping face of described wedge block is provided with screw thread.
Preferably, the screw thread of described upper wedge block is bent downwardly.
Preferably, the screw thread of described lower wedge block is bent upwards.
The utility model compared with prior art, has the following advantages:
By strengthening the degree of tilt of wedge block, shortening the clamping process with stove part, reducing the possibility with the slip of stove part, displacement.
The Design of Screw Thread that nock is runed counter to, make with stove part by clamping process, contact area strengthens, and relative to straight screw thread, arcuate thread designs, and can effectively control with the displacement in the horizontal direction of stove part.
Accompanying drawing explanation
Fig. 1 is a kind of one-piece construction schematic diagram for grip block upper in the electronic tensile machine of carbon fibre composite performance test of the utility model;
Fig. 2 is the annexation cross-sectional view clamping body and wedge block in a kind of electronic tensile machine for carbon fibre composite performance test of the utility model;
Fig. 3 is the helicitic texture schematic diagram of upper and lower wedge block in a kind of electronic tensile machine for carbon fibre composite performance test of the utility model;
Fig. 4 is the slope structure schematic diagram of wedge block in Fig. 1.
Embodiment
For making to have a better understanding and awareness architectural feature of the present utility model and effect of reaching, coordinating detailed description in order to preferred embodiment and accompanying drawing, being described as follows:
As shown in Figure 1, a kind of electronic tensile machine for carbon fibre composite performance test, comprises clamping device.Clamping device comprises pedestal 1, clamping body 2, wedge block 3; Pedestal 1 is U-shaped shape; The both sides inwall of pedestal 1 is fixed with clamping body 2 respectively near opening part; The opposite face of two pieces of clamping bodies 2 is dip plane; The dip plane of two pieces of clamping bodies 2 is fixed with wedge block 3 respectively; Wedge block 3 slides up and down relative to clamping body 2; Wedge block 3 is slipping plane with the surface of contact of clamping body 2, and the face relative with slipping plane is clamping face; Clamping face is vertical plane; The angle of slipping plane and clamping face is 20 ° ~ 40 °; The dip plane of clamping body 2 is identical with direction with the slipping plane angle of inclination of wedge block 3; Two pieces of wedge blocks 3 when sliding to U-shaped pedestal 1 opening part, the Distance Shortened between the clamping face of two pieces of wedge blocks 3.
In order to make clamping device compact, structure is simply exquisite, and the inner chamber of the U-shaped pedestal 1 that the utility model provides is trapezoidal, and lumen openings width is less than the width of intracavity bottom.The dip plane of clamping body 2 is identical with direction with the angle of inclination of intracavity sidewall.
As shown in Figure 4, the slipping plane of wedge block 3 that provides of the utility model and the angle of clamping face are 30 °.This angle is in clamping process, and clamping path is shorter, and clamping effect is best, and displacement is minimum.
As shown in Figure 2, the form of being slidably connected between clamping body 2 and wedge block 3 has multiple, and clamping body that the utility model provides 2 and wedge block 3 are that dovetail groove by arranging and dovetail ridge fit structure link together; Dovetail groove is identical with the slipping plane of wedge block 3 with direction with the angle of inclination of dovetail ridge.
The clamping body 2 that the utility model provides is parallelogram, and it is bolted on pedestal 1.Clamping body 2 upper and lower faces is in horizontality, and angle of inclination and the direction of the angle of inclination on all the other two sides and direction and pedestal 1 intracavity sidewall are consistent, also consistent with the angle and direction that the slipping plane of wedge block 3 tilts.The design of shape like this, makes clamping device outward appearance more exquisite, more reasonable structure.
Certainly, electronic tensile machine comprises two clamping devices; Two clamping devices are upper and lower to be symmetrical arranged and pedestal 1 opening of two clamping devices is relative.
As shown in Figure 3, in order to increase friction force, usually all screw thread can be provided with at the clamping face of wedge block 3.The screw thread of the wedge block 3 of the upper clamping device that the utility model provides is bent downwardly, and the screw thread of the wedge block 3 of lower clamping device is bent upwards.The Design of Screw Thread that nock is runed counter to, make with stove part by clamping process, contact area strengthens, and relative to straight screw thread, arcuate thread designs, and can effectively control with the displacement in the horizontal direction of stove part.
In specific works, lower clamping device is fixed in frame, and upper clamping device is fixed in frame and can moves up and down.First artificial the two ends with stove part are clamped in upper and lower clamping device, then start upper clamping device to rise, in uphill process, wedge block in upper clamping device receives the downward friction force acted on it with stove part, wedge block is moved downward, when wedge block moves downward, under the effect clamping body and wedge block dip plane, distance between two pieces of wedge blocks shortens gradually, thus realizes the object of clamping work pieces.
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and instructions; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (10)
1., for an electronic tensile machine for carbon fibre composite performance test, comprise clamping device; It is characterized in that: described clamping device comprises pedestal, clamping body, wedge block; Described pedestal is U-shaped shape; The both sides inwall of described pedestal is fixed with clamping body respectively near opening part; The opposite face of described two pieces of clamping bodies is dip plane; The dip plane of described two pieces of clamping bodies is fixed with wedge block respectively; Described wedge block slides up and down relative to clamping body; The surface of contact of described wedge block and described clamping body is slipping plane, and the face relative with slipping plane is clamping face; Described clamping face is vertical plane; The angle of described slipping plane and described clamping face is 20 ° ~ 40 °; The dip plane of described clamping body is identical with direction with the slipping plane angle of inclination of described wedge block; Described two pieces of wedge blocks when sliding to U-shaped pedestal opening place, the Distance Shortened between the clamping face of two pieces of wedge blocks.
2. a kind of electronic tensile machine for carbon fibre composite performance test according to claim 1, is characterized in that: the inner chamber of described U-shaped pedestal is trapezoidal, and described lumen openings width is less than the width of intracavity bottom; The dip plane of described clamping body is identical with direction with the angle of inclination of described intracavity sidewall.
3. a kind of electronic tensile machine for carbon fibre composite performance test according to claim 1, is characterized in that: the slipping plane of described wedge block and the angle of described clamping face are 30 °.
4. a kind of electronic tensile machine for carbon fibre composite performance test according to claim 3, is characterized in that: described clamping body and described wedge block are linked together by the dovetail groove that arranges and dovetail ridge fit structure; Described dovetail groove is identical with the slipping plane of described wedge block with direction with the angle of inclination of dovetail ridge.
5. a kind of electronic tensile machine for carbon fibre composite performance test according to claim 1, is characterized in that: described clamping body is parallelogram.
6. a kind of electronic tensile machine for carbon fibre composite performance test according to claim 1, is characterized in that: described clamping body is bolted on described pedestal.
7. a kind of electronic tensile machine for carbon fibre composite performance test according to claim 1, is characterized in that: described electronic tensile machine comprises two clamping devices; Described two clamping devices are upper and lower to be symmetrical arranged and the pedestal opening of described two clamping devices is relative.
8. a kind of electronic tensile machine for carbon fibre composite performance test according to claim 7, is characterized in that: the clamping face of described wedge block is provided with screw thread.
9. a kind of electronic tensile machine for carbon fibre composite performance test according to claim 8, is characterized in that: the screw thread of described upper wedge block is bent downwardly.
10. a kind of electronic tensile machine for carbon fibre composite performance test according to claim 8, is characterized in that: the screw thread of described lower wedge block is bent upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867160.6U CN205091199U (en) | 2015-10-30 | 2015-10-30 | A electron pulling force machine for carbon -fibre composite capability test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867160.6U CN205091199U (en) | 2015-10-30 | 2015-10-30 | A electron pulling force machine for carbon -fibre composite capability test |
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| CN205091199U true CN205091199U (en) | 2016-03-16 |
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| CN201520867160.6U Active CN205091199U (en) | 2015-10-30 | 2015-10-30 | A electron pulling force machine for carbon -fibre composite capability test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290099A (en) * | 2018-09-28 | 2019-02-01 | 深圳烯湾科技有限公司 | Encapsulate the method and apparatus of carbon nano-tube fibre precursor |
-
2015
- 2015-10-30 CN CN201520867160.6U patent/CN205091199U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290099A (en) * | 2018-09-28 | 2019-02-01 | 深圳烯湾科技有限公司 | Encapsulate the method and apparatus of carbon nano-tube fibre precursor |
| CN109366388A (en) * | 2018-09-28 | 2019-02-22 | 深圳烯湾科技有限公司 | Clamp mould group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 234000 Chaoyang Road 169, Suzhou High-tech Industrial Park, Anhui Province Patentee after: Anhui jialiqi Carbon Fiber Technology Co Ltd Address before: 234000 Chaoyang Road 169, Suzhou High-tech Industrial Park, Anhui Province Patentee before: ANHUI JIALIQI AEROSPACE CARBON FIBER CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 234000 Chaoyang Road 169, Suzhou High-tech Industrial Park, Anhui Province Patentee after: Anhui jialiqi Advanced Composite Technology Co.,Ltd. Address before: 234000 Chaoyang Road 169, Suzhou High-tech Industrial Park, Anhui Province Patentee before: ANHUI JIALIQI AEROSPACE CARBON FIBER Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |