CN203287243U - Stretching device for rubber test - Google Patents
Stretching device for rubber test Download PDFInfo
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- CN203287243U CN203287243U CN2013202828972U CN201320282897U CN203287243U CN 203287243 U CN203287243 U CN 203287243U CN 2013202828972 U CN2013202828972 U CN 2013202828972U CN 201320282897 U CN201320282897 U CN 201320282897U CN 203287243 U CN203287243 U CN 203287243U
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Abstract
The utility model discloses a stretching device for a rubber test, which comprises a base, a linear guide structure fixedly arranged on the base, a movable base assembled on the linear guide structure in a guiding and sliding manner, paired sample clamping mechanisms used for clamping two ends of each sample and arranged on the base and the movable base, and a stretching drive mechanism in transmission connection with the movable base, wherein the base and the movable base are formed by polygonal frames arranged at intervals vertically and parallelly and having the same shapes; the sample clamping mechanisms at least include two pairs, and all pairs of the sample clamping mechanisms are arranged on the corresponding side edges of the upper polygonal frame and the lower polygonal frame respectively. The stretching device for the rubber test can be used for mounting more than two samples once, has a simple structure, effectively improves the testing efficiency of the sample stretching test, and shortens time of the sample stretching test.
Description
Technical field
The utility model relates to a kind of stretching device for vulcanized rubber or thermoplastic elastomer test.
Background technology
Chinese utility model patent open file CN2447770Y disclose a kind of for the testing rubber sample under constant elongation the permanent strain characteristic determine elongation permanent strain proving installation, this proving installation comprises support, the test clamping device, guiding mechanism and stretching driving mechanism, wherein, support comprises the upper bearing plate that relative spacing arranges, lower support plate and being connected to, guide upright post between lower support plate, guiding mechanism comprises that guiding is slidedly assemblied in the movable plate on guide upright post, sample clamping mechanism comprises the lower holder and the relative upper holder of being located at the movable plate bottom that is fixed on the support lower support plate, drawing mechanism comprises the screw rod of screw thread spinning in the mounting upper bearing plate, the lower end of screw rod is connected with movable plate, the upper end of screw rod is provided with handwheel.During use, rubbery sample is installed between upper holder and lower holder, rotation hand wheel, bolt rotary drive movable plate along the upper and lower slip of guide upright post, realize the stretching of rubbery sample and loosen.But require in GB/T 7762 and ISO 1431-1 when vulcanized rubber or thermoplastic elastomer are carried out the static tensile test of anti-the ozone-induced cracking, every group of sample will be done three at least, and above-mentioned existing proving installation once only can be tested a sample, thereby work efficiency is lower when concrete the use.Moreover, above-mentioned existing proving installation carry out vulcanized rubber determine the elongation scrag test time, need to could measure the length growth rate of sample by outside measurer, thereby its use is very inconvenient.
The utility model content
The purpose of this utility model is: a kind of stretching device for rubber experiment is provided, to solve existing test unit, once only can tests a sample and cause the lower problem of its work efficiency.
the technical solution of the utility model is: a kind of stretching device for rubber experiment, comprise base, be fixedly arranged on the straight-line guidance structure on base, the guiding slidable fit is in the structural Mobile base of straight-line guidance, be located in pairs the sample clamping mechanism that is used for clamping sample two ends on base and Mobile base and the stretching driving mechanism that is in transmission connection with described Mobile base, described base and Mobile base are by being used for along the Mobile base moving direction, the polygon support body that lower spaced and parallel setting and shape are identical forms, described sample clamping mechanism is provided with two pairs at least, each to sample clamping mechanism be located at respectively described on, on the respective side of lower polygon support body.
Described polygon support body is rectangular frame structure, at the base of described rectangular frame structure and four limit correspondences of Mobile base, is provided with four pairs of described sample clamping mechanisms.
Described every pair of sample clamping mechanism includes the stationary fixture of being located on base and the movable clamp of being located on Mobile base, described stationary fixture comprises the strap that matches with chassis side, described movable clamp comprises the mobile clamping plate that match with the Mobile base side, and described strap and mobile clamping plate are arranged on corresponding base and Mobile base by tightening screw respectively.
Also comprise the top board that be arranged in parallel with described base relative spacing, described straight-line guidance structure is comprised of the guide upright post that be arranged in parallel more than two that is connected between base and top board, and described Mobile base is located between base and top board and by pilot hole and the described guide upright post guiding of offering on it, run through the Qi Ding bottom surface and is slidably matched.
Described stretching driving mechanism comprises the screw rod of axial location spinning in the top board center, and the lower end of screw rod is passed Mobile base and with the transmission of Mobile base screw thread, coordinated.
Also portrayed size scale to being less than the wherein surface of a guide upright post along its length direction in described straight-line guidance structure.
The base of the stretching device for rubber experiment of the present utility model consists of the identical polygon support body of shape with Mobile base, at least two pairs of sample clamping mechanisms are set between base and Mobile base, thereby on this stretching device, plural sample can be installed simultaneously, it is not only simple in structure, and effectively raise the test efficiency of sample tensile test, shorten the time of tension test.
Description of drawings
Fig. 1 is the structural representation that the utility model is used for the stretching device specific embodiment of rubber experiment.
Embodiment
the specific embodiment of the utility model stretching device for rubber experiment required for protection as shown in Figure 1, this fixture comprises base 1 and the top board 2 that relative spacing be arranged in parallel, base 1 is the identical polygonal frame structure of shape with top board 2, be connected with the straight-line guidance structure that guide upright post 8 forms between base 1 and top board 2, at the Mobile base 3 that on guide upright post 8, the guiding slidable fit has the identical polygonal frame of shape to form between base 1 and top board 2, base 1, Mobile base 2, top board 3 and guide upright post 8 form the basic framework of stretching device, in the present embodiment, base 1, Mobile base 2 and top board 3 are rectangular frame and form, and between each rectangular frame, the length of side of same side equates.Guide upright post 8 is provided with altogether four and these four guide upright posts 8 and is divided into four jiaos of above-mentioned each rectangular frame.Thereby Mobile base 3 upper drivings be connected with drive its along guide upright post 8 traveling priorities realize near or away from the stretching driving mechanism of base 1, in the present embodiment, this stretching driving mechanism is that axial location is rotated the screw rod 9 that is assemblied in top board 2 centers, the lower end of screw rod 9 is extended and passes on Mobile base 3 the corresponding threaded hole of offering towards base 1 direction, thereby with screw thread transmission between Mobile base 3, coordinate, when rotating screw bolt 9, by the screw thread transmission, coordinate and drive Mobile base 3 along guide upright post 8 linear slide.be respectively equipped with the sample clamping mechanism for corresponding clamping sample 7 two ends on base 1 and four limits of Mobile base 3, thereby be provided with altogether four groups of sample clamping mechanisms between base 1 and Mobile base 3, four samples of clamping simultaneously, in the present embodiment, each sample clamping mechanism forms by the movable clamp of being located at the stationary fixture on base 1 and be located on Mobile base 3, wherein, stationary fixture comprises the strap 4 that matches with base 1 respective side, movable clamp comprises the mobile clamping plate 5 that match with Mobile base 3 respective side, strap 4 and mobile clamping plate 5 are arranged on corresponding base 1 and Mobile base 3 by tightening screw 6 respectively.
During use, four samples 7 are clamped in respectively on four pairs of sample clamping mechanisms of base 1 setting corresponding to Mobile base 3 surroundings, rotating screw bolt 9,2 directions move along guide upright post 8 to top board to drive Mobile base 3, each sample 7 is stretched to simultaneously the state that requires after the extensibility reach to keep sample, namely completes the installation of sample.
Stretching device for rubber experiment of the present utility model can carry out the tension test of four samples simultaneously by four pairs of sample clamping mechanisms of corresponding setting between base and Mobile base, it has not only improved the test efficiency of the anti-ozone-induced cracking envelope test of rubber, and the stretching device that should test use is simple in structure, can directly improve on existing stretching device and need not larger input, thereby having saved the cost that stretching device drops into.
, for ease of the extensibility of requirement can fast and accurately sample being stretched to when the tensile sample, in the present embodiment, wherein also portrayed size scale to being less than the wherein surface of a guide upright post 8 along its length direction in the straight-line guidance structure.Sample holder is first being passed through guide upright post 8 figure record move seat 3 positions at this moment after on sample clamping mechanism, and the extensibility that arrives as requested calculates the scale that need to move into place, thereby need not can to drive Mobile bases 3 by rotating screw bolt 9 by extraneous measurer, directly 7 Rapid stretchings of sample put in place.
The utility model is not limited to above-described embodiment, in its concrete application, the rectangular panel structure that the polygon support body of above-mentioned base, Mobile base can also adopt steel plate to make, or base, Mobile base correspondence are made triangle, pentagon frame structure etc., the quantity of guide upright post can increase and decrease thereupon, thereby corresponding between base and Mobile base three pairs or five pairs of sample clamping mechanisms are set, can once carry out simultaneously the stretching of three groups or five groups samples etc.; If the guide upright post of being located on base is enough stable, top board can also be saved, drive stretching driving mechanism that Mobile base moves and can adopt the mechanisms such as the hydraulic thrust cylinder be located between base and Mobile base, electric pushrod; Even guide upright post can also be saved; and Mobile base is fixed on hydraulic thrust cylinder or electronic pressure pin; make hydraulic thrust cylinder or electric pushrod namely as driving mechanism, the effect of playing simultaneously linear guiding mechanism be arranged, above various variations are all within protection domain of the present utility model.
Claims (6)
1. stretching device that is used for rubber experiment, comprise base, be fixedly arranged on the straight-line guidance structure on base, the guiding slidable fit is in the structural Mobile base of straight-line guidance, be located in pairs the sample clamping mechanism that is used for clamping sample two ends on base and Mobile base and the stretching driving mechanism that is in transmission connection with described Mobile base, it is characterized in that, described base and Mobile base are by being used for along the Mobile base moving direction, the polygon support body that lower spaced and parallel setting and shape are identical forms, described sample clamping mechanism is provided with two pairs at least, each to sample clamping mechanism be located at respectively described on, on the respective side of lower polygon support body.
2. the stretching device for rubber experiment according to claim 1, is characterized in that, described polygon support body is rectangular frame structure, at the base of described rectangular frame structure and four limit correspondences of Mobile base, is provided with four pairs of described sample clamping mechanisms.
3. the stretching device for rubber experiment according to claim 1, it is characterized in that, described every pair of sample clamping mechanism includes the stationary fixture of being located on base and the movable clamp of being located on Mobile base, described stationary fixture comprises the strap that matches with chassis side, described movable clamp comprises the mobile clamping plate that match with the Mobile base side, and described strap and mobile clamping plate are arranged on corresponding base and Mobile base by tightening screw respectively.
4. according to claim 1 and 2 or 3 described stretching devices for rubber experiment, it is characterized in that, also comprise the top board that be arranged in parallel with described base relative spacing, described straight-line guidance structure is comprised of the guide upright post that be arranged in parallel more than two that is connected between base and top board, and described Mobile base is located between base and top board and by pilot hole and the described guide upright post guiding of offering on it, run through the Qi Ding bottom surface and is slidably matched.
5. the stretching device for rubber experiment according to claim 4, is characterized in that, described stretching driving mechanism comprises the screw rod of axial location spinning in the top board center, and the lower end of screw rod is passed Mobile base and with the transmission of Mobile base screw thread, coordinated.
6. the stretching device for rubber experiment according to claim 4, is characterized in that, also portrayed size scale to being less than the wherein surface of a guide upright post along its length direction in described straight-line guidance structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202828972U CN203287243U (en) | 2013-05-22 | 2013-05-22 | Stretching device for rubber test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202828972U CN203287243U (en) | 2013-05-22 | 2013-05-22 | Stretching device for rubber test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203287243U true CN203287243U (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202828972U Expired - Fee Related CN203287243U (en) | 2013-05-22 | 2013-05-22 | Stretching device for rubber test |
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| CN (1) | CN203287243U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236997A (en) * | 2014-09-09 | 2014-12-24 | 芜湖卓越线束系统有限公司 | Tensile testing tool for rubber |
| CN104332102A (en) * | 2014-11-22 | 2015-02-04 | 福建农林大学 | Teaching aid for analyzing bolt axial tension load applied spirally |
| CN104376762A (en) * | 2014-11-22 | 2015-02-25 | 福建农林大学 | Load analyzer bearing axial tensile deformation through rubber instead of bolts |
| CN109540682A (en) * | 2019-01-10 | 2019-03-29 | 江苏华神特种橡胶制品股份有限公司 | A kind of short sebific duct tensile test apparatus |
-
2013
- 2013-05-22 CN CN2013202828972U patent/CN203287243U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236997A (en) * | 2014-09-09 | 2014-12-24 | 芜湖卓越线束系统有限公司 | Tensile testing tool for rubber |
| CN104332102A (en) * | 2014-11-22 | 2015-02-04 | 福建农林大学 | Teaching aid for analyzing bolt axial tension load applied spirally |
| CN104376762A (en) * | 2014-11-22 | 2015-02-25 | 福建农林大学 | Load analyzer bearing axial tensile deformation through rubber instead of bolts |
| CN104376762B (en) * | 2014-11-22 | 2017-12-15 | 福建农林大学 | A kind of rubber replaces the loading analysis instrument that bolt is deformed by axial tension |
| CN109540682A (en) * | 2019-01-10 | 2019-03-29 | 江苏华神特种橡胶制品股份有限公司 | A kind of short sebific duct tensile test apparatus |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20190522 |