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CN-224224308-U - Cold and hot dual-purpose flat vulcanizing machine

CN224224308UCN 224224308 UCN224224308 UCN 224224308UCN-224224308-U

Abstract

The utility model relates to a cold and hot dual-purpose flat vulcanizing machine. The conventional vulcanizing press has the problems that the heating and cooling switching cannot be performed, the temperature cannot be uniformly controlled, and the energy consumption and the equipment cost are high. The utility model comprises a plurality of oil heaters, a refrigerator, an upper hot plate and a lower hot plate, wherein the oil heaters, the refrigerator, the upper hot plate and the lower hot plate are connected through pipelines and valves to form a heat conduction oil cooling system and a plurality of heat conduction oil heating systems, the oil heaters respectively and independently heat the upper hot plate and the lower hot plate, and the refrigerator jointly cools the upper hot plate and the lower hot plate. According to the utility model, the upper hot plate and the lower hot plate are respectively and independently heated by arranging the two oil heaters, the upper hot plate and the lower hot plate are jointly cooled by one refrigerator, so that the heating and cooling switching and the uniform temperature control can be performed, and the energy consumption and the equipment cost are low.

Inventors

  • MA MIAO
  • DUAN JINGJING
  • WU GUANHUA
  • Dong Meiqi
  • LIU YANPU

Assignees

  • 西北橡胶塑料研究设计院有限公司

Dates

Publication Date
20260512
Application Date
20250429

Claims (10)

  1. 1. The cold and hot dual-purpose flat vulcanizing machine is characterized by comprising a plurality of oil heaters (1), a refrigerator (2), an upper hot plate (3) and a lower hot plate (4); The oil heater (1), the refrigerator (2), the upper hot plate (3) and the lower hot plate (4) are connected through pipelines and valves to form a heat conduction oil cooling system and a plurality of heat conduction oil heating systems; The plurality of oil heaters (1) heat the upper hot plate (3) and the lower hot plate (4) independently, and the refrigerator (2) cools the upper hot plate (3) and the lower hot plate (4) together.
  2. 2. The dual-purpose press vulcanizer for both cold and hot according to claim 1, characterized in that: the pipeline comprises a plurality of oil inlet pipes (5), a plurality of oil return pipes (6) and a plurality of connecting pipes (7), wherein the oil inlet pipes (5) and the oil return pipes (6) are respectively arranged on two sides of the upper hot plate (3) and the lower hot plate (4) through the connecting pipes (7), and the oil inlet pipes (5) and the oil return pipes (6) are respectively connected with the oil heater (1) and the refrigerator (2) through the connecting pipes (7).
  3. 3. A dual-purpose press vulcanizer for both cold and hot as defined in claim 2, characterized in that: The valve comprises a plurality of sets of heating control valves and a plurality of sets of cooling control valves, and the heating control valves and the cooling control valves are both arranged on the connecting pipe (7).
  4. 4. A dual-purpose press vulcanizer for both cold and hot use as defined in claim 3, characterized in that: The heating control valve comprises a first valve (8), a second valve (9) and a third valve (10), wherein the first valve (8) and the second valve (9) are both connected with the oil heater (1), and the third valve (10) is connected with the refrigerator (2) so that the refrigerator (2) can perform bypass internal circulation.
  5. 5. A dual-purpose press vulcanizer for both cold and hot use as defined in claim 3, characterized in that: The cooling control valve comprises a fourth valve (11), a fifth valve (12) and a sixth valve (13), wherein the fifth valve (12) and the sixth valve (13) are connected with the refrigerator (2), and the fourth valve (11) is connected with the oil heater (1) to enable the oil heater (1) to perform bypass internal circulation.
  6. 6. A dual-purpose press vulcanizer for both cold and hot as defined in claim 2, characterized in that: The upper hot plate (3) and the lower hot plate (4) are respectively provided with a plurality of oil inlets (14) and a plurality of oil return openings (15).
  7. 7. The dual-purpose vulcanizing press for cold and hot use according to claim 6, wherein: serpentine channels are arranged in the upper hot plate (3) and the lower hot plate (4).
  8. 8. The dual-purpose press vulcanizer for both cold and hot of claim 7, wherein: The serpentine channel comprises two symmetrically arranged S-shaped structures, and each S-shaped structure is respectively communicated with the oil inlet pipe (5) and the oil return pipe (6) through the oil inlet (14) and the oil return port (15).
  9. 9. The dual-purpose press vulcanizer for both cold and hot according to claim 1, characterized in that: the opening and closing of the valve are controlled by a PLC.
  10. 10. A dual-purpose press vulcanizer for both cold and hot as defined in claim 2, characterized in that: The valve opening time in the oil return pipe (6) pipeline is delayed from the valve opening time in the oil inlet pipe (5) pipeline.

Description

Cold and hot dual-purpose flat vulcanizing machine Technical Field The utility model relates to the technical field of flat vulcanizing machines, in particular to a cold and hot dual-purpose flat vulcanizing machine. Background In the vulcanizing process of the traditional flat vulcanizing machine, heating or cooling operation can be carried out only singly, and the production requirements of products which have higher requirements on the vulcanizing process and are required to be rapidly cooled and molded under pressure after heating and vulcanizing are difficult to meet. In addition, the existing heating and cooling modes are often complex, the energy consumption is high, the equipment cost is high, the production efficiency is low, and the product quality is difficult to guarantee. For example, part of vulcanizing machines adopt modes of electric heating and water cooling, the electric heating temperature rising speed is low, the energy consumption is high, the water cooling is easy to cause equipment corrosion, the problem of uneven cooling exists, and when cooling water enters a hot plate for cooling, the cooling water is directly vaporized in a high-temperature state, gas is rapidly expanded, and great potential safety hazards exist. Therefore, there is a need for a press vulcanizer that can perform efficient switching between heating and cooling, uniform temperature control, and energy saving, and cost reduction. Disclosure of Invention The utility model aims to provide a cold and hot dual-purpose flat vulcanizing machine, which at least solves the problems that the conventional flat vulcanizing machine cannot perform heating and cooling switching, cannot uniformly control the temperature and has high energy consumption and equipment cost. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: A cold and hot dual-purpose plate vulcanizing machine comprises a plurality of oil heaters, a refrigerator, an upper hot plate and a lower hot plate; The oil heater, the refrigerator, the upper hot plate and the lower hot plate are connected through pipelines and valves to form a heat conduction oil cooling system and a plurality of heat conduction oil heating systems; the plurality of oil heaters heat the upper hot plate and the lower hot plate independently, and the refrigerator cools the upper hot plate and the lower hot plate together. Further, the pipeline comprises a plurality of oil inlet pipes, a plurality of oil return pipes and a plurality of connecting pipes, wherein the oil inlet pipes and the oil return pipes are respectively arranged on two sides of the upper hot plate and the lower hot plate through the connecting pipes, and the oil inlet pipes and the oil return pipes are respectively connected with the oil heater and the refrigerator through the connecting pipes. Further, the valve comprises a plurality of sets of heating control valves and a plurality of sets of cooling control valves, and the heating control valves and the cooling control valves are both arranged on the connecting pipe. Further, the heating control valve comprises a first valve, a second valve and a third valve, wherein the first valve and the second valve are connected with the oil heater, and the third valve is connected with the refrigerator to enable the refrigerator to bypass internal circulation. Further, the cooling control valve comprises a fourth valve, a fifth valve and a sixth valve, wherein the fifth valve and the sixth valve are connected with the refrigerator, and the fourth valve is connected with the oil heater to enable the oil heater to bypass internal circulation. Further, the upper hot plate and the lower hot plate are respectively provided with a plurality of oil inlets and a plurality of oil return openings. Furthermore, the upper hot plate and the lower hot plate are internally provided with serpentine channels. Further, the serpentine channel comprises two symmetrically arranged S-shaped structures, and each S-shaped structure is respectively communicated with the oil inlet pipe and the oil return pipe through the oil inlet and the oil return port. Further, the opening and closing of the valve are controlled by a PLC. Further, the valve opening time in the oil return pipe line lags the valve opening time in the oil inlet pipe line. Compared with the prior art, the utility model has the following beneficial effects: 1. The utility model provides a cold and hot dual-purpose plate vulcanizing machine, which is characterized in that an upper hot plate and a lower hot plate are respectively and independently heated by arranging two oil heaters, and the upper hot plate and the lower hot plate are jointly cooled by one refrigerator, so that the temperature distribution of the upper hot plate and the lower hot plate is more uniform, the product quality problem caused by uneven temperature is avoided, the product quality is greatly improved, and the heat conducti