CN202793942U - Rubber low-temperature brittleness tester - Google Patents
Rubber low-temperature brittleness tester Download PDFInfo
- Publication number
- CN202793942U CN202793942U CN 201220441579 CN201220441579U CN202793942U CN 202793942 U CN202793942 U CN 202793942U CN 201220441579 CN201220441579 CN 201220441579 CN 201220441579 U CN201220441579 U CN 201220441579U CN 202793942 U CN202793942 U CN 202793942U
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- Prior art keywords
- fixedly connected
- eliminating medium
- heat eliminating
- temperature brittleness
- rubber low
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Abstract
The utility model discloses a rubber low-temperature brittleness tester and solves the problem of the rubber low-temperature brittleness determinated machine in the prior art that a cooling medium is inconvenient to replace. The rubber low-temperature brittleness tester comprises a machine body and a machine frame fixed on the machine body, wherein a cooling medium temperature control tank for injecting the cooling medium is arranged in the machine body; a feed well positioned above the cooling medium temperature control tank is arranged at the upper end of the machine body; a lifting clamp holder fixedly connected with the machine frame is arranged above the feed well; an impact device fixedly connected with the machine frame is arranged under the left part of the lifting clamp holder; the rubber low-temperature brittleness tester also comprises an extraction device for injecting and extracting the cooling medium; and the extraction device is fixedly connected onto the top surface of the machine body. The rubber low-temperature brittleness tester has the benefits of convenience for cooling medium replacement, high testing efficiency, good use stability, long service life, simple structure, convenience for operation and the like.
Description
Technical field
The utility model relates to a kind of rubber performance testing tool, especially relates to a kind of rubber low-temperature brittleness test machine.
Background technology
The rubber black brittleness is measured the owner will be used for measuring be hit maximum temperature (brittleness temperature) when occurring destroying of vulcanized rubber sample under rated condition, also can making comparisons property of the usability evaluation under cryogenic conditions to non-rigid plastics and other resilient materials, therefore no matter in the quality inspection of scientific research material and goods thereof, the aspects such as the control of production run all are indispensable.
At present when measuring the black brittleness of vulcanized rubber, the heat eliminating medium (alcohol, acetone etc.) that sample need to immerse in the heat eliminating medium temperature control tank in the rubber black brittleness mensuration machine cools, and heat eliminating medium needs often to change, heat eliminating medium is generally annotated to the heat eliminating medium temperature control tank with graduated cylinder at present, extract out in the heat eliminating medium temperature control tank with suction pipe, it is very inconvenient to operate.
Chinese patent Granted publication number: CN100405039C, July 23 2008 Granted publication day, a kind of Multifunctonal low temp tester for rubber is disclosed, comprise the low temperature insulation can with work top, each arranges respectively cold-resistant factor detection device and a black brittleness determinator top of described table top, the bottom of table top arranges a low temperature chamber, one cold-resistant factor detection device feedwell and black brittleness determinator feedwell respectively is set on the table top, the top of table top arranges a display screen with programmable controller, test specimen, can insert feedwell, in, low temperature chamber comprises the heating radiator of micro pump and connection thereof, the control of the temperature of low temperature chamber with detect the display screen of analog electrical signal by programmable controller and convert digital signal to and read.The characteristics of this Multifunctonal low temp tester for rubber are that sample can cool off in air, also can in heat eliminating medium, cool off, but the thermal conductivity of air is low, need the relatively long time in the air cooling, affect testing efficiency, and in heat eliminating medium, cool off, changing heat eliminating medium still needs manual operation, and it is still very inconvenient to change.
The utility model content
The utility model is the problem of changing heat eliminating medium inconvenience for the rubber black brittleness mensuration machine that solves prior art, provides a kind of cooling medium replacement convenient, and testing efficiency is high, and is easy and simple to handle, and rubber black brittleness simple in structure is measured machine.
To achieve these goals, the utility model is by the following technical solutions:
A kind of rubber low-temperature brittleness test machine, comprise body and be fixed on frame on the body, be provided with in the described body for the heat eliminating medium temperature control tank of injecting heat eliminating medium, described body upper end is provided with the feedwell that is positioned at heat eliminating medium temperature control tank top, described feedwell top is provided with the lifting clamper that is fixedly connected with frame, the lower left of described lifting clamper is provided with the percussion mechanism that is fixedly connected with frame, described rubber low-temperature brittleness test machine comprises that also described draw-out device is fixedly connected on the end face of body for filling and the draw-out device that extracts heat eliminating medium.Heat eliminating medium temperature control tank in the utility model can be set different temperatures, the lifting clamper is used for the clamping sample, and from feedwell, insert sample in the heat eliminating medium that is immersed in the heat eliminating medium temperature control tank, thereby reach the purpose that cools, reach chilling temperature and after the time until sample, the lifting clamper can be mentioned sample again from heat eliminating medium, thereby by percussion mechanism sample is carried out shock-testing, the utility model is used for filling and the draw-out device that extracts heat eliminating medium by increase by one at body, by draw-out device to reach quick filling and the purpose that extracts heat eliminating medium, like this so that the replacing of heat eliminating medium is more convenient, and greatly improve the speed of changing heat eliminating medium, thereby greatly improve testing efficiency.
As preferably, described draw-out device comprises pneumatic diaphragm pump and transition container, described pneumatic diaphragm pump is fixedly connected on the end face of body, described transition container is positioned on the end face of body, the import and export end of described pneumatic diaphragm pump is connected with respectively feed pipe and discharge nozzle, the endpiece that described discharge nozzle passes feedwell and discharge nozzle is positioned at the heat eliminating medium temperature control tank, and the entrance point of described feed pipe is positioned at transition container.Pneumatic diaphragm pump is take pressurized air as power source, flow is adjusted automatically with the variation of back pressure, it is very stable to pump flow, and empty calory produces at work, machine can be not overheated, definitely fire-proof and explosion-proof, because heat eliminating medium generally all is alcohol, the liquid that acetone etc. are inflammable and explosive, therefore use pneumatic diaphragm pump to pump, not only reliable and stable, and security is good, the other little ground that do not need of pneumatic diaphragm pump volume, occupation of land face is minimum, simple installation economy, when needs filling heat eliminating medium, only discharge nozzle need be inserted makes its endpiece be positioned at the heat eliminating medium temperature control tank in the feedwell, then in transition container, add heat eliminating medium, to open pneumatic diaphragm pump in the heat eliminating medium in the entrance point insertion transition container of feed pipe again, at this moment heat eliminating medium just can be annotated to the heat eliminating medium temperature control tank by pneumatic diaphragm pump, and will extract heat eliminating medium out the time, as long as the insertion end of discharge nozzle and feed pipe is exchanged, opening pneumatic diaphragm pump gets final product again, the endpiece that is about to discharge nozzle inserts in the transition container, and feed pipe is inserted the heat eliminating medium that makes its entrance point be arranged in the heat eliminating medium temperature control tank in the feedwell, and is easy to operate.
As preferably, described transition container is provided with scale mark.Can directly observe injection or the extraction situation of heat eliminating medium by scale mark, so that accurately control injection rate IR or the extraction amount of heat eliminating medium.
As preferably, be provided with soft spacer between the end face of described pneumatic diaphragm pump and body.Because pneumatic diaphragm pump can produce vibration when work, thereby therefore a soft spacer is set to reach the purpose of vibration damping between pneumatic diaphragm pump and body end face, improves stability in use.
As preferably, described soft spacer is block rubber.The block rubber material is easy to obtain, and low price.
As preferably, described frame comprises left socle, right support and back timber, described left socle, right support lay respectively at the left and right sides of feedwell, the bottom of described left socle, right support all is fixedly connected with the end face of body, described left socle, right support top are fixedly connected with the two ends of back timber respectively, described lifting clamper is fixedly connected on the back timber, and described percussion mechanism is fixedly connected on the left socle downside.Left socle, right support can improve the bearing capacity of whole frame, make the stability of frame better, left socle, right support top respectively with the two ends of back timber, the lifting clamper is fixedly connected on the back timber, so that the lifting of lifting clamper is more stable.
As preferably, be equipped with reinforcement between described back timber and left socle, the right support.Reinforcement can improve the structural strength of frame, and stability in use is better, and serviceable life is also longer.
Therefore, the utlity model has following beneficial effect:
(1) cooling medium replacement is convenient, and testing efficiency is high;
(2) stability in use is good, long service life;
(3) simple in structure, easy to operate.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Among the figure: body 1, heat eliminating medium 2, heat eliminating medium temperature control tank 3, feedwell 4, lifting clamper 5,
Percussion mechanism 6, pneumatic diaphragm pump 7, transition container 8, feed pipe 9, discharge nozzle 10, soft spacer 11, left socle 12, right support 13, back timber 14, reinforcement 15, sample 16.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Among the embodiment as shown in Figure 1, a kind of rubber low-temperature brittleness test machine, comprise body 1, frame, pneumatic diaphragm pump 7 and transition container 8, be provided with in the body 1 for the heat eliminating medium temperature control tank 3 of injecting heat eliminating medium 2, body 1 upper end has the feedwell 4 that is positioned at heat eliminating medium temperature control tank 3 tops, frame comprises left socle 12, right support 13 and back timber 14, left socle 12, right support 13 lays respectively at the left and right sides of feedwell 4, left socle 12, the bottom of right support 13 all is fixedly connected with the end face of body 1, left socle 12, right support 13 tops are fixedly connected with the two ends of back timber 14 respectively, and back timber 14 and left socle 12, be equipped with reinforcement 15 between the right support 13, be fixedly connected with the lifting clamper 5 that is positioned at feedwell 4 tops on the back timber 14, left socle 12 lower ends are fixedly connected with percussion mechanism 6, pneumatic diaphragm pump 7 is fixedly connected on the end face of body 1, be provided with soft spacer 11 between the end face of pneumatic diaphragm pump 7 and body 1, soft spacer 11 is block rubber, transition container 8 is positioned on the end face of body 1 and also is provided with scale mark on the transition container 8, advancing of pneumatic diaphragm pump 7, endpiece is connected with respectively feed pipe 9 and discharge nozzle 10, the endpiece that discharge nozzle 10 passes feedwell 4 and discharge nozzle 10 is positioned at heat eliminating medium temperature control tank 3, and the entrance point of feed pipe 9 is positioned at transition container 8.
When carrying out the test of rubber black brittleness, in transition container 8, add heat eliminating medium 2, then insert the discharge nozzle 10 of pneumatic diaphragm pump 7 in the feedwell 4 and make the endpiece of discharge nozzle 10 be positioned at heat eliminating medium temperature control tank 3, again the entrance point of feed pipe 9 is inserted in the heat eliminating medium 2 in the transition container 8 and open pneumatic diaphragm pump 7, at this moment heat eliminating medium 2 just can be annotated to heat eliminating medium temperature control tank 3 by pneumatic diaphragm pump 7, after heat eliminating medium 2 filling, live sample 16 and sample 16 is inserted from feedwell 4 with the bottom clamping of lifting clamper 5, sample 16 is immersed in the heat eliminating medium 2 fully, then heat eliminating medium temperature control tank 3 being set to required probe temperature makes heat eliminating medium 2 reach probe temperature, when sample 16 after probe temperature is issued to required cool time, by lifting clamper 5 sample 16 is mentioned from heat eliminating medium 2, impact mensuration with percussion mechanism 6 at last, operate very simple.
When needing to extract heat eliminating medium 2, as long as the endpiece of discharge nozzle 10 is inserted in the transition container 8, feed pipe 9 being inserted in the feedwell 4 makes its entrance point be arranged in the heat eliminating medium 2 of heat eliminating medium temperature control tank 3 again, open pneumatic diaphragm pump 7, at this moment the heat eliminating medium 2 in the heat eliminating medium temperature control tank 3 just is drawn in the transition container 8, extracts also very convenient.
Claims (7)
1. rubber low-temperature brittleness test machine, comprise body (1) and be fixed on frame on the body (1), be provided with in the described body (1) for the heat eliminating medium temperature control tank (3) of injecting heat eliminating medium (2), described body (1) upper end is provided with the feedwell (4) that is positioned at heat eliminating medium temperature control tank (3) top, described feedwell (4) top is provided with the lifting clamper (5) that is fixedly connected with frame, the lower left of described lifting clamper (5) is provided with the percussion mechanism (6) that is fixedly connected with frame, it is characterized in that, described rubber low-temperature brittleness test machine comprises that also described draw-out device is fixedly connected on the end face of body (1) for filling and the draw-out device that extracts heat eliminating medium.
2. rubber low-temperature brittleness test machine according to claim 1, it is characterized in that, described draw-out device comprises pneumatic diaphragm pump (7) and transition container (8), described pneumatic diaphragm pump (7) is fixedly connected on the end face of body (1), described transition container (8) is positioned on the end face of body (1), advancing of described pneumatic diaphragm pump (7), endpiece is connected with respectively feed pipe (9) and discharge nozzle (10), the endpiece that described discharge nozzle (10) passes feedwell (4) and discharge nozzle (10) is positioned at heat eliminating medium temperature control tank (3), and the entrance point of described feed pipe (9) is positioned at transition container (8).
3. described rubber low-temperature brittleness test machine according to claim 2 is characterized in that described transition container (8) is provided with scale mark.
4. rubber low-temperature brittleness test machine according to claim 2 is characterized in that, is provided with soft spacer (11) between the end face of described pneumatic diaphragm pump (7) and body (1).
5. rubber low-temperature brittleness test machine according to claim 4 is characterized in that, described soft spacer (11) is block rubber.
6. rubber low-temperature brittleness test machine according to claim 1, it is characterized in that, described frame comprises left socle (12), right support (13) and back timber (14), described left socle (12), right support (13) lays respectively at the left and right sides of feedwell (4), described left socle (12), the bottom of right support (13) all is fixedly connected with the end face of body (1), described left socle (12), right support (13) top is fixedly connected with the two ends of back timber (14) respectively, described lifting clamper (5) is fixedly connected on the back timber (14), and described percussion mechanism (6) is fixedly connected on left socle (12) downside.
7. rubber low-temperature brittleness test machine according to claim 6 is characterized in that, is equipped with reinforcement (15) between described back timber (14) and left socle (12), the right support (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220441579 CN202793942U (en) | 2012-08-31 | 2012-08-31 | Rubber low-temperature brittleness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220441579 CN202793942U (en) | 2012-08-31 | 2012-08-31 | Rubber low-temperature brittleness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202793942U true CN202793942U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220441579 Expired - Fee Related CN202793942U (en) | 2012-08-31 | 2012-08-31 | Rubber low-temperature brittleness tester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547867A (en) * | 2015-12-30 | 2016-05-04 | 重庆精榜高分子材料有限公司 | Low-temperature rubber test equipment and test method |
| CN106124347A (en) * | 2016-07-13 | 2016-11-16 | 安徽奥丰汽车配件有限公司 | A kind of automobile rubber parts fragility test technology |
| CN108120648A (en) * | 2018-01-16 | 2018-06-05 | 浙江伟星新型建材股份有限公司 | A kind of PP-R pipe black brittleness test machine and its test method |
| CN109540691A (en) * | 2018-11-23 | 2019-03-29 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of vulcanized rubber compresses the test method of cold-resistant coefficient |
-
2012
- 2012-08-31 CN CN 201220441579 patent/CN202793942U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547867A (en) * | 2015-12-30 | 2016-05-04 | 重庆精榜高分子材料有限公司 | Low-temperature rubber test equipment and test method |
| CN105547867B (en) * | 2015-12-30 | 2019-05-24 | 重庆精榜高分子材料有限公司 | A kind of rubber low-temperature test equipment and its test method |
| CN106124347A (en) * | 2016-07-13 | 2016-11-16 | 安徽奥丰汽车配件有限公司 | A kind of automobile rubber parts fragility test technology |
| CN108120648A (en) * | 2018-01-16 | 2018-06-05 | 浙江伟星新型建材股份有限公司 | A kind of PP-R pipe black brittleness test machine and its test method |
| CN109540691A (en) * | 2018-11-23 | 2019-03-29 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of vulcanized rubber compresses the test method of cold-resistant coefficient |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130831 |