CN212653722U - Special vulcanization mould for manufacturing rubber tensile sample - Google Patents
Special vulcanization mould for manufacturing rubber tensile sample Download PDFInfo
- Publication number
- CN212653722U CN212653722U CN202021132547.4U CN202021132547U CN212653722U CN 212653722 U CN212653722 U CN 212653722U CN 202021132547 U CN202021132547 U CN 202021132547U CN 212653722 U CN212653722 U CN 212653722U
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- CN
- China
- Prior art keywords
- lower die
- tensile sample
- rubber
- die
- trimming
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004073 vulcanization Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 239000003292 glue Substances 0.000 claims abstract description 12
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 238000009966 trimming Methods 0.000 claims description 28
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 31
- 238000000034 method Methods 0.000 description 5
- 238000009864 tensile test Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000013040 rubber vulcanization Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a special vulcanization mould for manufacturing rubber tensile samples, which comprises a lower mould, wherein a plurality of tensile sample mould cavities and glue overflow grooves are arranged in the lower mould; and the upper die is used for covering the lower die. The utility model has the advantages of as follows: the cutting time after the rubber sample is vulcanized is reduced, the working efficiency can be greatly improved, the consistency and the integrity of a working surface can be ensured, and the accuracy of other data is ensured; in addition, the waste rubber generated in rubber sample preparation is reduced.
Description
Technical Field
The utility model relates to a special preparation rubber tensile sample vulcanization mould utensil belongs to rubber products processing and detection technical field.
Background
At present, in the field of rubber testing, a rectangular test piece with the thickness of 2.0 +/-0.20 mm is firstly vulcanized in a tensile test, then the punching of a tensile sample is carried out by a special punching machine, and generally 5-6 tensile samples can be punched by one test piece. However, with the requirement of higher and higher test precision, more and more test items are required, and the use of such a test piece punching method is likely to cause damage to the working part of the sample or incomplete consistency of the working part of the sample, which has not been able to meet the requirement of sample precision well. At present, other test samples such as a solvent resistance test, a light resistance test, a thermal oxygen aging resistance test, a weather resistance test and the like need 3 tensile test samples before and after solvent resistance or before and after light resistance or before and after thermal oxygen aging resistance or before and after weather resistance for comparison of tensile properties before and after the test, the samples are all required to ensure that the working parts of the samples are intact, and the original test piece method cannot well meet the requirement. After the rubber tensile sample is cut, more waste rubber is remained, and the rubber is difficult to decompose, so that the environmental pollution is easily caused, and the requirement on chemical environment friendliness is not met.
In addition, in the solvent resistance test, the light resistance test, the thermal oxygen aging resistance test and the weather resistance test, the test samples need to be hung in corresponding test environments, and the test with the punched samples also needs to be carried out while punching the samples or hanging the samples with iron wires penetrating the samples, so that the time and the labor are wasted, and the working efficiency is low.
Disclosure of Invention
In order to overcome the not enough of above-mentioned prior art, the utility model provides a can guarantee the accuracy of contrast data, reduce the rubber vulcanization system appearance the rubber waste, improve work efficiency, also guarantee the integrality of rubber tensile sample work portion, ensure that the data is accurate not have the mistake.
The utility model is realized by the following technical proposal, a special vulcanization mould for manufacturing rubber tensile samples,
the lower die is internally provided with a plurality of tensile sample die cavities and glue overflow grooves;
and the upper die is used for covering the lower die.
As a special preparation rubber tensile sample vulcanization mould's preferred scheme: at least 6 of the tensile specimen cavities; the glue overflow grooves are at least two and are respectively positioned at two ends of the tensile sample die cavity.
As a special preparation rubber tensile sample vulcanization mould's preferred scheme: and a convex block is arranged in the tensile sample die cavity.
As a special preparation rubber tensile sample vulcanization mould's preferred scheme: the lower die is provided with a lower die positioning column and a lower die positioning groove; the upper die is provided with an upper die positioning groove and an upper die positioning column which are matched and corresponding to the lower die positioning column and the lower die positioning groove.
As a special preparation rubber tensile sample vulcanization mould's preferred scheme: the auxiliary plate is provided with trimming through holes corresponding to each tensile sample die cavity;
and the auxiliary plate is provided with an auxiliary positioning groove and an auxiliary positioning column which are matched and corresponding to the lower die positioning column and the lower die positioning groove.
As a special preparation rubber tensile sample vulcanization mould's preferred scheme: the edge cutting device is matched with the auxiliary plate;
the trimming device comprises a trimming blade capable of being inserted into the trimming through hole and a handle convenient to press and install on the trimming blade.
The utility model has the advantages of as follows: the cutting time after the rubber sample is vulcanized is reduced, the working efficiency can be greatly improved, the consistency and the integrity of a working surface can be ensured, and the accuracy of other data is ensured; in addition, the waste rubber generated in rubber sample preparation is reduced.
Drawings
FIG. 1 is a schematic view of the lower mold of the present invention;
FIG. 2 is a schematic view of the upper mold of the present invention;
FIG. 3 is a schematic perspective view of the auxiliary plate of the present invention;
FIG. 4 is a perspective view of the trimming device;
in the figure: 10-lower die; 11-tensile specimen mold cavity; 12-a bump; 13-glue overflow groove; 14-lower die positioning posts; 15-lower die positioning groove; 20-upper die; 21-upper die positioning column; 22-upper die positioning groove; 30-an auxiliary plate; 31-auxiliary positioning column; 32-auxiliary positioning grooves; 33-trimming the through holes; 40-an edge cutting device; 41-trimming blade; 42-handle.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Referring to fig. 1 and 2, as a first embodiment of the present invention, there is provided a vulcanization mold for manufacturing a rubber tensile sample,
the lower die 10 is internally provided with a plurality of tensile sample die cavities 11 and glue overflow grooves 13;
and an upper mold 20 for covering the lower mold 10.
Specifically, the lower die 10 and the upper die 20 form a complete vulcanization die, and the glue overflow groove 13 mainly functions to prevent the rubber compound from being placed in the tensile sample die cavity 11 and flowing out too much; the size and the shape of the tensile sample die cavity 11 are determined according to the size and the shape of the rubber sample in China; the method comprises the following specific steps:
common dumbbell test specimens include type 1, type 1A, type 2, type 3 and type 4, and the test specimens of the four specifications are divided into standard test specimens and non-standard test specimens, and the specific specifications are shown in table 1 according to the latest national standard.
TABLE 1 dumbbell rubber specimen size
Note: plus is the non-standard sample size, the remainder are standard and non-standard sample sizes.
At least 6 of the tensile specimen cavities 11; the glue overflow grooves 13 are at least two and are respectively positioned at two ends of the tensile sample die cavity 11.
Specifically, at least 3 samples are needed in a general rubber tensile test, and in order to ensure the accuracy of the test, a plurality of groups of tests are generally carried out, so that the test error is reduced; the glue overflow grooves 13 are located at two ends of the tensile sample die cavity 11, and mainly prevent the glue overflow grooves 13 from influencing the performance of the working part of the rubber tensile sample due to the outflow of the rubber compound in the vulcanization process, and the two ends of the rubber tensile sample are clamping ends and cannot influence experimental data.
Referring to fig. 1, a bump 12 is provided in the tensile specimen cavity 11.
Specifically, the purpose of the bump 12 is to provide a cavity in the working portion of the vulcanized rubber tensile test piece, so that the rubber tensile test piece can be conveniently stringed to meet the experimental requirements of a solvent resistance test, a light resistance test, a thermal oxygen aging resistance test and a weather resistance test.
Referring to fig. 1 and 2, the lower mold 10 is provided with a lower mold positioning column 14 and a lower mold positioning groove 15; the upper die 20 is provided with an upper die positioning groove 22 and an upper die positioning column 21 which are matched and corresponding to the lower die positioning column 14 and the lower die positioning groove 15.
Specifically, this is to improve the mold clamping accuracy between the lower mold 10 and the upper mold 20, and to increase the accuracy of the experiment.
Referring to fig. 3, the device further comprises an auxiliary plate 30, wherein the auxiliary plate 30 is provided with a trimming through hole 33 corresponding to each tensile sample mold cavity 11;
the auxiliary plate 30 is provided with an auxiliary positioning groove 32 and an auxiliary positioning column 31 which are matched and corresponding to the lower die positioning column 14 and the lower die positioning groove 15.
Referring to fig. 4, a trimming device 40 used in cooperation with the auxiliary plate 30 is further included;
the trimming means 40 includes a trimming blade 41 insertable into the trimming through hole 33, and a handle 42 for facilitating pressing of the trimming blade 41.
Specifically, the auxiliary plate 30 and the trimming device 40 need to be used in combination, because a certain amount of flash is generated during the rubber vulcanization process, in order to prevent the flash from affecting the experiment, the flash should be removed, and the flash removal of the working part of the rubber tensile sample can be completed by means of the auxiliary plate 30 and the trimming device 40; it should be noted that the two trimming through holes 33 are in a group, and the distance between the two trimming through holes should be consistent with the width of the working part of the rubber tensile sample, and the two trimming blades 41 are also in a group and are matched with the trimming through holes 33 for use; the purpose of a clear flashing of the trimming blade 41 is achieved by means of the handle 42.
The utility model discloses application method: trimming the rubber compound to be subjected to the performance test into the shape of a tensile sample die cavity 11, and controlling the quality so as to reduce the rubber overflow amount during vulcanization and reduce the generation of waste rubber; after the lower die 10 and the upper die 20 are closed, vulcanization is carried out by a vulcanizer, and after the upper die 20 is opened, if the rubber tensile sample in the tensile sample die cavity 11 has flash, the auxiliary plate 30 can be covered again, and the flash is removed by the trimming device 40 to take out the die for performance test.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (1)
1. The utility model provides a special preparation rubber tensile sample vulcanization mould which characterized in that:
the lower die (10) is internally provided with a plurality of tensile sample die cavities (11) and glue overflowing grooves (13);
an upper die (20) for covering the lower die (10);
at least 6 of said tensile specimen cavities (11); the number of the glue overflow grooves (13) is at least two, and the glue overflow grooves are respectively positioned at two ends of the tensile sample die cavity (11);
a lug (12) is arranged in the tensile sample die cavity (11);
the lower die (10) is provided with a lower die positioning column (14) and a lower die positioning groove (15); the upper die (20) is provided with an upper die positioning groove (22) and an upper die positioning column (21) which are matched and corresponding to the lower die positioning column (14) and the lower die positioning groove (15);
the device also comprises an auxiliary plate (30), wherein the auxiliary plate (30) is provided with trimming through holes (33) corresponding to each tensile sample die cavity (11);
the auxiliary plate (30) is provided with an auxiliary positioning groove (32) and an auxiliary positioning column (31) which are matched and corresponding to the lower die positioning column (14) and the lower die positioning groove (15);
the edge cutting device (40) is matched with the auxiliary plate (30) for use;
the trimming device (40) comprises a trimming blade (41) which can be inserted into the trimming through hole (33), and a handle (42) which is convenient to press and is arranged on the trimming blade (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021132547.4U CN212653722U (en) | 2020-06-18 | 2020-06-18 | Special vulcanization mould for manufacturing rubber tensile sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021132547.4U CN212653722U (en) | 2020-06-18 | 2020-06-18 | Special vulcanization mould for manufacturing rubber tensile sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212653722U true CN212653722U (en) | 2021-03-05 |
Family
ID=74753653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021132547.4U Expired - Fee Related CN212653722U (en) | 2020-06-18 | 2020-06-18 | Special vulcanization mould for manufacturing rubber tensile sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212653722U (en) |
-
2020
- 2020-06-18 CN CN202021132547.4U patent/CN212653722U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230330 Address after: 221000 North side of Beihuan Road, Pizhou Economic Development Zone, Xuzhou City, Jiangsu Province Patentee after: Xuzhou Hanbang Rubber Co.,Ltd. Address before: No. 1 Xiangwang Road, Drum Tower District, Xuzhou, Jiangsu Patentee before: XUZHOU College OF INDUSTRIAL TECHNOLOGY |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210305 |