CN220995162U - Electromagnetic vulcanization mold with lining and electromagnetic vulcanization heating system - Google Patents
Electromagnetic vulcanization mold with lining and electromagnetic vulcanization heating system Download PDFInfo
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- CN220995162U CN220995162U CN202322364762.7U CN202322364762U CN220995162U CN 220995162 U CN220995162 U CN 220995162U CN 202322364762 U CN202322364762 U CN 202322364762U CN 220995162 U CN220995162 U CN 220995162U
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- die
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- 238000004073 vulcanization Methods 0.000 title claims abstract description 46
- 238000010438 heat treatment Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000005672 electromagnetic field Effects 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 239000004705 High-molecular-weight polyethylene Substances 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 12
- 239000004020 conductor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000005022 packaging material Substances 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The application provides an electromagnetic vulcanization mold with a lining and an electromagnetic vulcanization heating system. The sealing layer is arranged at the opening of the wire slot and completely covers the wire slot and the electrified coil. And arranging a mould lining on the inner wall of the middle mould, and covering the whole inner wall containing the sealing layer. The electromagnetic vulcanization mold provided by the application is additionally provided with the mold lining, and the mold lining covers all inner walls of the middle mold, so that the same materials are adopted on the surface to be heated, and the electromagnetic vulcanization mold has extremely high flatness. Therefore, the surface glossiness of the vulcanized support is consistent, the sealing layer on the inner wall of the middle die can be protected, and the whole service life of the die is prolonged.
Description
Technical Field
The application belongs to the technical field of support molds, and particularly relates to an electromagnetic vulcanization mold with a lining and an electromagnetic vulcanization heating system.
Background
At present, a domestic laminated rubber support is heated and vulcanized by a multi-purpose plate vulcanizing machine, a heat source of the vulcanizing machine is a boiler heating heat conducting oil or a hot plate of an electromagnetic and electric heating vulcanizing machine, and the laminated rubber support is heated in a heat transfer mode. Since rubber is a poor conductor of heat, the heat transfer rate is slow, resulting in long heating time of rubber near the hot plate and uneven vulcanization due to higher temperature than rubber in the center. Electromagnetic heating vulcanization is a vulcanization technology for laminated rubber supports, and is characterized in that an electrified coil is additionally arranged in a die, and an alternating magnetic field is used for induction heating of stiffening steel plates in the supports to provide heat, so that the laminated rubber supports are vulcanized, rubber in the supports is heated uniformly, and the heating efficiency can be greatly improved.
However, the internal coil of the electromagnetic heating vulcanization mold needs to be packaged, the surface of the packaging surface is leveled with the inner wall of the mold after processing, but the difference of the surface textures of the coil packaging surface and the steel mold can lead to the difference of the appearance color and luster of the vulcanized support surface, and the appearance of the support is influenced; the packaging material is repeatedly heated and deformed and has differences with steel, gaps appear between the packaging material and the steel after long-term use, and risks of damage and falling off exist when rubber is vulcanized, so that the service life of the die is influenced.
Disclosure of Invention
Therefore, the application aims to provide an electromagnetic vulcanization mold with a lining and an electromagnetic vulcanization heating system, so as to solve the technical problems of support appearance and coil packaging material falling risk in the prior art.
In a first aspect, the present application provides an electromagnetic vulcanization mold with a liner, including an upper mold, a middle mold, and a lower mold, and further including:
The wire slot is arranged along the circumference of the inner part of the middle die, a high-frequency cable is arranged in the wire slot, the high-frequency cable forms an electrified coil, and two ends of the high-frequency cable penetrate through the wire slot and then are connected with a high-frequency power supply outside the die;
The sealing layer is arranged at the opening of the wire slot and completely covers the wire slot and the electrified coil;
And the mold lining is arranged on the inner wall of the middle mold and covers the whole inner wall containing the sealing layer.
In some aspects, the electromagnetic vulcanization mold with an inner liner is secured to the inner wall of the mold by an adhesive layer.
In some aspects, the electromagnetic vulcanization mold has a liner that is a sheet of magnetically permeable material that is resistant to high temperatures.
In some embodiments, the electromagnetic vulcanization mold with the inner liner comprises a high-temperature-resistant magnetic conductive material plate comprising one of a high-molecular-weight polyethylene plate, a polyether-ether-ketone plate, a polystyrene-ether plate, a polyimide plate and a high-temperature nylon plate.
Electromagnetic vulcanization molds with inner liners as described in some versions:
The middle die comprises a middle die body and a middle die upper cover which is detachably connected with the middle die body, and the middle die body is formed with a bottom boss;
And two sides of the die lining are in interference fit with the middle die upper cover and the bottom boss.
In some embodiments, the electromagnetic vulcanization mold with the inner liner is characterized in that the middle mold upper cover is fixedly connected with the middle mold body through screws.
In some embodiments, the electromagnetic vulcanization mold with the inner liner has bosses formed at two ends of the middle mold, and two sides of the inner liner of the mold are in interference fit with the bosses.
In some embodiments, the electromagnetic vulcanization mold with the inner liner, the wire groove comprises a groove formed in the inner wall of the middle mold and a magnetic conductive ceramic material covering the surface of the groove.
In a second aspect, the present disclosure provides an electromagnetic vulcanization heating system, including an electromagnetic vulcanization mold with a liner according to any one of the first aspects, and:
A first power supply connected to the high-frequency cable; the first power supply inputs a first high-frequency current signal to the high-frequency cable so that the electrified coil forms a first electromagnetic field for heating the edge of the stiffening steel plate;
A second power supply that inputs a second high-frequency current signal to the high-frequency cable to cause the energized coil to form a second electromagnetic field, the second high-frequency current signal having a phase difference from the first high-frequency current signal;
And a third power supply that inputs a third high-frequency current signal to the high-frequency cable to cause the energized coil to form a third electromagnetic field, the third high-frequency current signal having a frequency difference from the first high-frequency current signal.
In some aspects of the electromagnetic vulcanization heating system, the first power source, the second power source, and the third power source are connected to the high frequency cable via connectors.
Compared with the prior art, the scheme provided by the embodiment of the application has the following advantages:
According to the electromagnetic vulcanization mold with the lining and the electromagnetic vulcanization heating system, the wire groove is formed in the middle mold of the mold, the wire groove is formed along the inner circumference of the middle mold, the high-frequency cable is arranged in the wire groove, the high-frequency cable forms an electrified coil, and two ends of the high-frequency cable penetrate through the wire groove and then are connected with a high-frequency power supply outside the mold. The sealing layer is arranged at the opening of the wire slot and completely covers the wire slot and the electrified coil. And arranging a mould lining on the inner wall of the middle mould, and covering the whole inner wall containing the sealing layer. The electromagnetic vulcanization mold provided by the application is additionally provided with the mold lining, and the mold lining covers all inner walls of the middle mold, so that the same materials are adopted on the surface to be heated, and the electromagnetic vulcanization mold has extremely high flatness. Therefore, the surface glossiness of the vulcanized support is consistent, the sealing layer on the inner wall of the middle die can be protected, and the whole service life of the die is prolonged.
Drawings
The above-mentioned features and technical advantages of the present application will become more apparent and readily appreciated from the following description of the embodiments thereof taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic view of an electromagnetic curing mold with an inner liner according to an embodiment of the present application;
FIG. 2 is a schematic diagram illustrating a connection between a mold liner and an integral mold according to an embodiment of the present application;
FIG. 3 is a schematic structural view of a connection between a mold liner and a split mold according to an embodiment of the present application;
Fig. 4 is a schematic structural diagram of an electromagnetic vulcanizing system according to an embodiment of the present application.
Detailed Description
The present application will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present application more apparent. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The words "inner" and "outer" are used to refer to directions toward or away from, respectively, the geometric center of a particular component.
The embodiment of the application provides an electromagnetic vulcanization mold with a lining, which comprises an upper mold, a middle mold 1 and a lower mold, as shown in fig. 1, and further comprises:
The wire slot 2 is arranged along the inner circumference of the middle die 1, a high-frequency cable 3 is arranged in the wire slot 2, the high-frequency cable 3 forms an electrified coil, and two ends of the high-frequency cable 3 penetrate through the wire slot 2 and are connected with a high-frequency power supply outside the die; a sealing layer 4, which is arranged at the opening of the wire slot 2 and completely covers the wire slot 2 and the energizing coil; and a mold liner 5 provided on the inner wall of the middle mold and covering the whole inner wall including the sealing layer 4.
According to the scheme, the wire slot 2 is formed in the middle die 1 of the die, the wire slot 2 is formed along the inner circumference of the middle die 1, the high-frequency cable 3 is arranged in the wire slot 2 to form an electrified coil, and two ends of the high-frequency cable 3 penetrate through the wire slot 2 and then are connected with a high-frequency power supply outside the die. The wire slot 2 is completely covered with the sealing layer 4 at the opening of the wire slot 2. A mold liner 5 is provided on the inner wall of the middle mold to cover the whole inner wall including the sealing layer 4. The electromagnetic vulcanization mold provided by the application is additionally provided with the mold lining 5, and the mold lining 5 covers all the inner walls of the middle mold 1, so that the same materials are adopted on the surface to be heated, and the electromagnetic vulcanization mold has extremely high flatness. Therefore, the surface glossiness of the vulcanized support is consistent, the sealing layer on the inner wall of the middle die can be protected, and the whole service life of the die is prolonged.
In the above scheme, the wire slot 2 comprises a groove formed in the inner wall of the middle die and a magnetic conductive ceramic material covering the surface of the groove. The electromagnetic field generated by the electrified coil can be restrained in the middle die by utilizing the magnetic conductive ceramic material, so that the electromagnetic field is prevented from acting on the die.
Preferably, in the electromagnetic vulcanization mold with the inner liner, the mold inner liner 5 is fixed to the inner wall of the middle mold by an adhesive layer. I.e. the mould liner 5 can be directly back-attached to the inner wall of the mould. The material of the die lining 5 has certain rigidity, and the die lining 5 can not deform when being extruded by flowing rubber in the heating process, so that the surface of the support after vulcanization is smooth. If the mold liner 5 is found to be unsatisfactory in terms of size, surface quality, etc. after the mold is removed, it can be easily replaced. The sealing layer 4 and the high-frequency cable 3 can not be in direct contact with rubber in the whole use process, so that the stability of the electrified coil structure is ensured.
Further, the mold liner 5 in the above electromagnetic vulcanization mold is a high-temperature-resistant magnetic conductive material plate. That is, the mold lining 5 is made of a high-temperature resistant insulating material, does not soften or deform when bearing the high temperature of the support during vulcanization, does not react with an electromagnetic field (magnetic conduction or magnetic field isolation), does not deform due to compression when the mold lining 5 is used, and the surface of the mold lining 5 facing the inside of the mold is processed smoothly and flatly.
Further preferably, the high-temperature-resistant magnetic conductive material plate comprises one of a high-molecular-weight polyethylene plate, a polyether-ether-ketone plate, a polystyrene-ether plate, a polyimide plate and a high-temperature nylon plate. The material plate is used as a mold lining, so that the material plate is convenient to obtain and low in cost.
As shown in fig. 2, a schematic structural diagram of the integrated middle mold structure when a middle mold liner is disposed is shown, two ends of the middle mold 1 are respectively formed with a boss 111, and two sides of the mold liner 5 are in interference fit with the bosses 111. The upper and lower parts of the side wall of the die lining 5 are respectively provided with a boss 111, and after the die lining 5 is arranged between the upper and lower bosses, the die lining 5 is blocked and fixed due to interference fit.
As another scheme, as shown in fig. 3, a schematic structural diagram of a split type middle mold structure when a middle mold liner is provided, wherein the middle mold comprises a middle mold body 10 and a middle mold upper cover 11 detachably connected with the middle mold body, and the middle mold body 10 is formed with a bottom boss; both sides of the die lining 5 are in interference fit with the middle die upper cover 11 and the bottom boss. In particular, after the mold liner 5 is installed, the mold liner 5 may be clamped by tightening the screw 6 between the middle mold upper cover 11 and the middle mold body 10. As shown, the bottom boss is integrally formed with the die body 10.
The embodiment of the application also provides an electromagnetic vulcanization heating system, as shown in fig. 4, which comprises the electromagnetic vulcanization mold with the lining and the first power supply, wherein the electromagnetic vulcanization mold with the lining is in any scheme, and the first power supply is connected with the high-frequency cable; the first power supply inputs a first high-frequency current signal to the high-frequency cable so that the electrified coil forms a first electromagnetic field for heating the edge of the stiffening steel plate; a second power supply that inputs a second high-frequency current signal to the high-frequency cable to cause the energized coil to form a second electromagnetic field, the second high-frequency current signal having a phase difference from the first high-frequency current signal; and a third power supply that inputs a third high-frequency current signal to the high-frequency cable to cause the energized coil to form a third electromagnetic field, the third high-frequency current signal having a frequency difference from the first high-frequency current signal. In particular, the first power supply, the second power supply and the third power supply are connected with the high-frequency cable through connectors. The vulcanizing support comprises a plurality of layers of steel plates, so that the power supplies with phase differences and the power supplies with different frequencies can be matched with each other, the first electromagnetic field, the second electromagnetic field and the third electromagnetic field can be overlapped with each other, the heating speed of the steel plates is improved, and meanwhile, the temperature of the steel plates is more uniform and the heating efficiency is higher.
Those of ordinary skill in the art will appreciate that: the above embodiments are merely illustrative of the present application and are not intended to limit the present application, and any modifications, equivalent substitutions, improvements, etc. within the spirit of the present application should be included in the scope of the present application.
Claims (10)
1. An electromagnetic vulcanization mold with an inner liner, which is characterized by comprising an upper mold, a middle mold and a lower mold, and further comprising:
The wire slot is arranged along the circumference of the inner part of the middle die, a high-frequency cable is arranged in the wire slot, the high-frequency cable forms an electrified coil, and two ends of the high-frequency cable penetrate through the wire slot and then are connected with a high-frequency power supply outside the die;
The sealing layer is arranged at the opening of the wire slot and completely covers the wire slot and the electrified coil;
And the mold lining is arranged on the inner wall of the middle mold and covers the whole inner wall containing the sealing layer.
2. The electromagnetic curing mold with an inner liner of claim 1, wherein:
The die lining is fixed on the inner wall of the middle die through a bonding layer.
3. The electromagnetic curing mold with lining of claim 2, wherein:
the inner lining of the die is a high-temperature-resistant magnetic conduction material plate.
4. An electromagnetic curing mold with an inner liner as set forth in claim 3, wherein:
The high-temperature-resistant magnetic conduction material plate comprises one of a high-molecular-weight polyethylene plate, a polyether-ether-ketone plate, a polystyrene-ether plate, a polyimide plate and a high-temperature nylon plate.
5. The electromagnetic curing mold with an inner liner of claim 1, wherein:
The middle die comprises a middle die body and a middle die upper cover which is detachably connected with the middle die body, and the middle die body is formed with a bottom boss;
And two sides of the die lining are in interference fit with the middle die upper cover and the bottom boss.
6. The electromagnetic curing mold with lining of claim 5, wherein:
the middle die upper cover is fixedly connected with the middle die body through screws.
7. The electromagnetic curing mold with an inner liner of claim 1, wherein:
Two ends of the middle die are respectively provided with a boss in a molding mode, and two sides of the inner lining of the die are in interference fit with the bosses.
8. Electromagnetic vulcanisation mould with inner lining according to any of the claims from 1 to 7, characterized in that:
the wire slot comprises a groove formed in the inner wall of the middle die and a magnetic conductive ceramic material covering the surface of the groove.
9. An electromagnetic vulcanization heating system comprising an electromagnetic vulcanization mold with an inner liner as described in any of claims 1-8, and:
A first power supply connected to the high-frequency cable; the first power supply inputs a first high-frequency current signal to the high-frequency cable so that the electrified coil forms a first electromagnetic field for heating the edge of the stiffening steel plate;
A second power supply that inputs a second high-frequency current signal to the high-frequency cable to cause the energized coil to form a second electromagnetic field, the second high-frequency current signal having a phase difference from the first high-frequency current signal;
And a third power supply that inputs a third high-frequency current signal to the high-frequency cable to cause the energized coil to form a third electromagnetic field, the third high-frequency current signal having a frequency difference from the first high-frequency current signal.
10. The electromagnetic vulcanization heating system of claim 9, wherein:
the first power supply, the second power supply and the third power supply are connected with the high-frequency cable through connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322364762.7U CN220995162U (en) | 2023-08-31 | 2023-08-31 | Electromagnetic vulcanization mold with lining and electromagnetic vulcanization heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322364762.7U CN220995162U (en) | 2023-08-31 | 2023-08-31 | Electromagnetic vulcanization mold with lining and electromagnetic vulcanization heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220995162U true CN220995162U (en) | 2024-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322364762.7U Active CN220995162U (en) | 2023-08-31 | 2023-08-31 | Electromagnetic vulcanization mold with lining and electromagnetic vulcanization heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220995162U (en) |
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2023
- 2023-08-31 CN CN202322364762.7U patent/CN220995162U/en active Active
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