CN211013968U - A vulcanization mould utensil for steel cord strips away test - Google Patents
A vulcanization mould utensil for steel cord strips away test Download PDFInfo
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- CN211013968U CN211013968U CN201921352288.3U CN201921352288U CN211013968U CN 211013968 U CN211013968 U CN 211013968U CN 201921352288 U CN201921352288 U CN 201921352288U CN 211013968 U CN211013968 U CN 211013968U
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Abstract
The utility model discloses a vulcanization mould for steel wire cord stripping test, relating to the technical field of rubber test.A fixed seat is provided with a plurality of sample grooves; the lower interlayer cushion blocks are arranged at two ends of the sample groove, and the top ends of the lower interlayer cushion blocks are provided with transverse grooves; the upper interlayer cushion block is arranged above the lower interlayer cushion block, and the top end of the upper interlayer cushion block is provided with a transverse groove; the fixed locking piece locks the upper fixed gasket and the lower fixed gasket on the fixed seat; the sliding rod is arranged at the other end of the fixed seat; the sliding block is arranged on the sliding rod in a sliding manner and is provided with a screw hole parallel to the sliding rod; the adjusting screw is arranged in the screw hole of the sliding block, and the bottom end of the adjusting screw is abutted to the fixed seat; the adjusting locking piece locks the upper adjusting gasket and the lower adjusting gasket on the sliding block in sequence. The beneficial effects of the utility model are that, overcome current vulcanization mould can't be to applying the difficulty that lasts tension to the steel cord at the vulcanization in-process, realized directly using steel cord and well sizing material preparation can be used for peeling off experimental sample.
Description
Technical Field
The utility model relates to a rubber test technical field, especially a vulcanization mould utensil that is used for steel cord to peel off test.
Background
With the continuous development of the tire industry, the safety factor of the tire is more and more emphasized by consumers, and in the potential safety hazard of the tire, the delaminating of a belt ply is an important factor for causing safety accidents such as tire tread falling, bulging, tire burst and the like.
Currently, in the process control of the production technology, only a semi-finished belt component can be cut from a production workshop and then a vulcanization test is carried out. For the laboratory peeling performance evaluation from the steel cord end of the framework raw material, no specific standard specification exists in the laboratory at present, and the existing semi-finished belt peeling vulcanization mould cannot be used for preparing a steel cord peeling sample, and cannot ensure that the steel cord cannot be bent and overlapped in the vulcanization process because tension cannot be applied to the steel cord, so that the belt peeling strength can be detected only in a workshop test, the control from the raw material end cannot be realized, and the waste of resources is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming current vulcanization mould can't be to applying continuous tensile difficulty to the steel cord at the vulcanization in-process, apply continuous tensile to the cord through removing the slider to reach and guarantee that the steel cord can not take place to buckle the purpose of overlapping in whole vulcanization in-process, designed a vulcanization mould that is used for steel cord to peel off the test, realized directly using steel cord and well sizing material preparation can be used for peeling off experimental sample.
In order to achieve the above object, the technical solution of the present invention is, a vulcanization mold for steel cord peeling test, including: the fixing seat is provided with a plurality of sample grooves; the lower interlayer cushion blocks are arranged at two ends of the sample groove, and the top ends of the lower interlayer cushion blocks are provided with transverse grooves; the lower fixing gasket is arranged above one end of the fixing seat; the upper interlayer cushion block is arranged above the lower interlayer cushion block, and a transverse groove is formed in the top end of the upper interlayer cushion block; the upper fixing gasket is arranged above the lower fixing gasket; the fixed locking piece locks the upper fixed gasket and the lower fixed gasket on the fixed seat; the sliding rod is arranged at the other end of the fixed seat; the sliding block is arranged on the sliding rod in a sliding mode and is provided with a screw hole parallel to the sliding rod; the adjusting screw is arranged in the screw hole of the sliding block, and the bottom end of the adjusting screw is abutted to the fixed seat; a lower adjustment shim disposed on the slider; an upper adjustment shim disposed on the lower adjustment shim; and the adjusting locking piece sequentially locks the upper adjusting gasket and the lower adjusting gasket on the sliding block.
Furthermore, the fixing seat and the lower interlayer cushion block are integrally formed.
Furthermore, the number of the sample grooves in the fixing seat is three.
Furthermore, the slide bar is cylindric, the sliding block is equipped with the cylindricality chamber.
Furthermore, an adjusting handle is arranged at the outer end of the adjusting screw.
Furthermore, the lower interlayer cushion block, the upper fixing gasket and the upper adjusting gasket are made of metal.
Furthermore, the fixed gasket and the lower adjusting gasket are made of rubber.
Furthermore, a cover plate is arranged above the fixed seat.
The utility model has the advantages that: the difficulty that the existing vulcanization mould cannot apply continuous tension to the steel cord in the vulcanization process is overcome, the continuous tension is applied to the cord by moving the sliding block, the purpose of ensuring that the steel cord cannot be bent and overlapped in the whole vulcanization process is achieved, and the purpose of directly using the steel cord and the medium rubber material to manufacture a sample which can be used for a stripping test is achieved.
Drawings
FIG. 1 is a schematic diagram of an explosive structure I of a vulcanization mold of the present application;
FIG. 2 is a schematic diagram II of the explosion structure of the vulcanization mold of the present application;
FIG. 3 is a schematic view of the structure of the lower interlayer cushion block of the present application;
FIG. 4 is a schematic structural view of the vulcanization mold of the present application, with a cover plate.
In the above figures, 1, a fixed seat; 101. a sample tank; 2. a lower interlayer cushion block; 3. a lower fixed pad; 4. a cushion block between upper layers; 5. a gasket; 6. fixing a locking piece; 7. a slide bar; 8. a slider; 9. adjusting screws; 10. a lower adjustment pad; 11. an upper adjusting shim; 12. adjusting the locking piece; 13. and (7) a cover plate.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments as follows:
a vulcanization mould for steel cord stripping test can apply continuous tension to a steel cord in the vulcanization process, as shown in figures 1 to 4, and comprises a fixed seat 1, a lower interlayer cushion block 2, a lower fixed gasket 3, an upper interlayer cushion block 4, an upper fixed gasket 5, a fixed locking piece 6, a sliding rod 7, a sliding block 8, an adjusting screw 9, a lower adjusting gasket 10, an upper adjusting gasket 11 and an adjusting locking piece 12.
The fixing base 1 is provided with a plurality of sample grooves 101, and in fig. 1 and 2, three sample grooves 101 are shown, and the specific number thereof can be selected according to actual conditions.
Lower interlayer cushion block 2 is arranged at two ends of sample groove 101, lower interlayer cushion block 2 can be integrated with fixing base 1, and the top end of lower interlayer cushion block 2 is provided with a transverse groove. The upper interlayer cushion block 4 is arranged above the lower interlayer cushion block 2, and the top end of the upper interlayer cushion block 4 is provided with a transverse groove. The lower interlayer cushion block 2 is a cuboid metal block with a transverse groove, the transverse groove is used for placing an upper layer steel wire cord sample which transversely penetrates through the sample, the transverse groove and the upper interlayer cushion block 4 are combined to provide an incompletely closed space, the pressure received by the sample is kept, and the transverse groove is used for ensuring that the upper layer steel wire cord and the lower layer steel wire cord cannot migrate during vulcanization. The upper interlayer cushion 4 is similar to the lower interlayer cushion 2.
Slide bar 7 sets up at the other end of fixing base 1, and sliding block 8 slides and sets up on slide bar 7, and sliding block 8 is equipped with the screw parallel with slide bar 7, and adjusting screw 9 sets up in sliding block 8's screw, and its bottom offsets with fixing base 1. When the adjusting screw 9 is rotated, the distance between the sliding block 8 and the fixed seat 1 can be changed, so that the purpose of applying tension to the steel cord is achieved.
Lower adjusting shim 10 sets up on sliding block 8, goes up adjusting shim 11 and sets up on lower adjusting shim 10, adjusts retaining member 12 and locks upper adjusting shim 11 and lower adjusting shim 10 on sliding block 8 in proper order, guarantees that the steel cord can not slide.
The top of fixing base 1 is equipped with apron 13, and it is a cuboid metal sheet, can provide an incompletely confined space with lower floor interval cushion 2, upper strata cushion 4 and fixing base 1, provides continuous pressure for vulcanizing the sample through external pressure simultaneously.
The application comprises the following steps:
1. fusing the steel wire cord into a required length (larger than the total length of the die) by using a fuse, wherein the number of the steel wire cord is more than one half of the total number of the interlayer gasket and the transverse groove of the lower die, and the steel wire cord can not be directly contacted by hands when cotton gloves are worn; pressing the final rubber material into two sheets with the thickness of 1mm and 1.5mm by using an open mill, wherein the area of the sheets is ensured to be capable of cutting enough rubber sheets with the size of a sample groove, and plastic films are adhered to two sides of the rubber sheets to prevent pollution and then cut into samples with the size of the sample groove;
2. firstly tearing off an upper layer film of a 1.5mm rubber sheet and paving the upper layer film in a sample groove, then paving steel wire cords in a transverse groove of a lower layer interlayer cushion block 2 one by one, after the transverse groove is fully paved, fixing the two ends of the steel wire cords by using a lower fixing gasket 3 and a fixing locking piece 6 respectively, fixing the steel wire cords by using a lower adjusting gasket 10 and an adjusting locking piece 12, finally screwing an adjusting screw 9 to tension the steel wire cords, tearing off a lower layer film of a 1mm rubber sheet and covering the lower layer film on the steel wire cords, and compacting the sample by hands to obtain a lower layer sample.
3. And (4) loosening the fixed locking piece 6, taking out the lower layer sample, manufacturing an upper layer sample by using the same process, and manufacturing the upper layer sample at the position of the lower layer sample according to the number of the upper layer by taking the fact that the number of the steel cords of the upper layer and the number of the steel cords of the lower layer are different.
4. During vulcanization, the lower layer of sample film is torn off and placed in a sample groove of a preheated grinding tool, rubber gaskets are laid at two ends of the sample groove, interlayer cushion blocks 4 are placed at two ends of the sample groove 101, a piece of 20mm long cellophane is placed at one end of a sample, then the upper layer of sample film is torn off, a 1mm rubber sheet is placed downwards in the sample groove, and the sample is compacted by hands;
5. fixing the steel wire cord of the fixed end, fixing the tension applying end, taking care that the steel wire cord is not completely fixed at the moment, rotating the adjusting screw 9 to enable all the steel wire cords to be in a tensioning state, then screwing the locking piece 6, and rotating the adjusting screw 9 again to enable the steel wire cords to keep certain tension;
6. finally, covering the cover plate 13, and carrying out die assembly and vulcanization by using a vulcanizing machine to obtain a vulcanized sample to be detected;
7. before testing, redundant steel wire cords at two ends of a sample are fused, a section of the sample with cellophane is cut, a middle rectangle is drawn along the outermost cords of an upper layer sample by using a wallpaper blade, but the middle rectangle cannot be drawn to about half the thickness by force, and finally an upper layer and a lower layer of the sample with one end of a film are respectively clamped on a clamp of a tensile testing machine for testing.
The invention has been described above with reference to a preferred embodiment, but the scope of protection of the invention is not limited thereto, and various modifications can be made and equivalents can be substituted for elements thereof without departing from the scope of the invention, and features mentioned in the various embodiments can be combined in any way as long as there is no structural conflict, and any reference sign in the claims should not be construed as limiting the claim concerned, and the embodiments should be regarded as being exemplary and non-limiting in any way whatsoever. Therefore, all technical solutions that fall within the scope of the claims are within the scope of the present invention.
Claims (8)
1. A vulcanization mold for a steel cord peeling test, characterized by comprising:
the device comprises a fixed seat (1), wherein the fixed seat (1) is provided with a plurality of sample grooves (101);
the lower interlayer cushion blocks (2) are arranged at two ends of the sample groove (101), and the top ends of the lower interlayer cushion blocks (2) are provided with transverse grooves;
the lower fixing gasket (3) is arranged above one end of the fixing seat (1);
the upper interlayer cushion block (4) is arranged above the lower interlayer cushion block (2), and a transverse groove is formed in the top end of the upper interlayer cushion block (4);
the upper fixing gasket (5) is arranged above the lower fixing gasket (3);
the fixing locking piece (6) locks the upper fixing gasket (5) and the lower fixing gasket (3) on the fixing seat (1) through the fixing locking piece (6);
the sliding rod (7), the sliding rod (7) is arranged at the other end of the fixed seat (1);
the sliding block (8) is arranged on the sliding rod (7) in a sliding mode, and the sliding block (8) is provided with a screw hole parallel to the sliding rod (7);
the adjusting screw (9) is arranged in the screw hole of the sliding block (8), and the bottom end of the adjusting screw (9) is abutted to the fixed seat (1);
a lower adjusting shim (10), the lower adjusting shim (10) being arranged on the sliding block (8);
an upper adjusting shim (11), the upper adjusting shim (11) being disposed on the lower adjusting shim (10); and
and the adjusting locking piece (12) locks the upper adjusting gasket (11) and the lower adjusting gasket (10) on the sliding block (8) in sequence by the adjusting locking piece (12).
2. A vulcanisation mould for steel cord stripping tests according to claim 1, characterized in that said holders (1) and underlying spacers (2) are integrally formed.
3. A vulcanisation mould for steel cord stripping tests according to claim 1, wherein the number of sample grooves (101) in said holder (1) is three.
4. A vulcanisation mould for steel cord stripping tests according to claim 1, characterized in that said sliding rod (7) is cylindrical and said sliding block (8) is provided with a cylindrical cavity.
5. A vulcanisation mould for steel cord stripping tests according to claim 1, characterized in that the outer ends of said adjustment screws (9) are provided with adjustment handles.
6. A vulcanization mold for steel cord stripping test according to claim 1, characterized in that the material of the lower interlayer pad (2), the upper interlayer pad (4), the upper fixing pad (5) and the upper adjusting pad (11) is metal.
7. A vulcanization mold for steel cord stripping test according to claim 1, characterized in that the lower fixing shim (3) and the lower adjusting shim (10) are made of rubber.
8. A vulcanization mold for steel cord stripping test according to claim 1, characterized in that a cover plate (13) is provided above the fixing base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352288.3U CN211013968U (en) | 2019-08-20 | 2019-08-20 | A vulcanization mould utensil for steel cord strips away test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352288.3U CN211013968U (en) | 2019-08-20 | 2019-08-20 | A vulcanization mould utensil for steel cord strips away test |
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| CN211013968U true CN211013968U (en) | 2020-07-14 |
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| CN201921352288.3U Active CN211013968U (en) | 2019-08-20 | 2019-08-20 | A vulcanization mould utensil for steel cord strips away test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552064A (en) * | 2021-07-29 | 2021-10-26 | 赛轮(沈阳)轮胎有限公司 | Method for conveniently detecting dispersity of cobalt salt in sizing material |
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2019
- 2019-08-20 CN CN201921352288.3U patent/CN211013968U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552064A (en) * | 2021-07-29 | 2021-10-26 | 赛轮(沈阳)轮胎有限公司 | Method for conveniently detecting dispersity of cobalt salt in sizing material |
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