Novel vulcanizing machine external heat working valve group

Abstract

The utility model relates to a novel external temperature heat working valve group of a vulcanizing machine. The novel external temperature heat working valve group comprises an external temperature inlet valve group assembly and an external temperature return valve group assembly, the external temperature working valve group is mainly formed by connecting a condensate water bag, a filter, a three-way angle seat valve, a two-way angle seat valve and a check valve through flanges in a welding mode. And the condensate water bag is welded with a joint and a flange and is used for discharging condensate water. According to the utility model, the condensate water is connected with the three-way angle seat valve, so that the problems of unsmooth drainage and steam loss of the drain valve are solved; high and low liquid levels are sensed through the condensate water bag liquid level meter, rapid drainage of the water level is achieved at the high liquid level, normal drainage is achieved at the low liquid level, and the problems that water in the external temperature part is drained in time and steam is reserved are solved. And the product reject ratio in the tire vulcanization process is reduced, and energy conservation and cost reduction are achieved.

Description

Technical Field

[0001] The utility model relates to the field of rubber tire vulcanization technology, in particular to a new type of external thermal control valve group for a vulcanizer. Background Art

[0002] In the existing rubber tire vulcanization process, there are problems such as large volume of the valve group, poor sealing effect, large amount of steam leakage, and low energy utilization rate. When rubber tires are vulcanized, a large amount of condensate water will be generated. If the amount of condensate water is large, it is necessary to discharge the water in time to achieve the purpose of energy conservation and cost reduction. This solution is to add high and low liquid level induction points to the condensate water tank. When the water level reaches the high liquid level, an induction signal will be generated, and the control system will send a valve control signal to the liquid level signal to control the water level command, so as to realize the rapid discharge of condensate water and reduce the problem that the water cannot be discharged in time due to the large amount of water.

[0003] In view of the disadvantages existing in the vulcanization process of existing vulcanizers for tires, an external temperature valve group for a vulcanizer is designed to solve the above problems. On the premise of meeting the needs of customers, this new type of vulcanizer valve group reduces production costs and improves work efficiency. Summary of the Invention

[0004] The utility model aims to solve the above problems and provides a new type of external thermal control valve group for a vulcanizer, which solves the problems of poor sealing effect of the steam trap and large amount of steam leakage, and solves the problem of large steam leakage between valve groups.

[0005] A new type of external thermal control valve group for a vulcanizer adds 3 manual angle seat valves as spare parts to the external temperature inlet component. During the normal use of the diaphragm regulating valve, the manual angle seat valve in series with it is opened, and at the same time, the manual angle seat valve in parallel with the diaphragm regulating valve is opened. If the diaphragm regulating valve fails or is damaged, it is necessary to manually open the manual angle seat valve in parallel with the diaphragm regulating valve. At this time, the external temperature component can resume normal operation. This manual angle seat valve can ensure the normal operation of the entire equipment, reduce the waste of time and resources caused by equipment failures, improve labor efficiency, and reduce energy loss during the tire vulcanization process. The two-way angle seat valve controls the opening and closing of the valve through the air source signal, and then controls the on-off of the pipeline. The check valve can prevent the reverse flow of the medium and play a protective role in the pipeline system.

[0006] On the basis of the above technical solution, it further includes a three-way angle seat valve (8). This valve can discharge condensate normally or quickly according to the liquid level point of the condensate tank. The valve body of this valve adopts an equal wall thickness design, reducing the cost impact caused by the valve block design. At the same time, the valves are connected by welding, reducing the leakage risk caused by flanges. A diaphragm control valve (5), which is a control valve with a diaphragm drive, controls the valve stroke according to the control signal, and sensitively and accurately adjusts the temperature, pressure and flow rate, playing an important guarantee role in the tire shaping process.

[0007] On the basis of the above technical solution, it further includes a three-way angle seat valve (8). When the water level does not reach the high liquid level point, the three-way angle seat valve does not act at this time, and port A is communicated with port C, and the water level is discharged normally. If the water level reaches the high liquid level point, the valve acts, and at this time port A is communicated with port B to achieve rapid discharge of the water level. During the process of the external temperature inlet valve group entering, a filter (3) is connected, and a filter (7) is externally connected to the condensate tank in the external temperature return valve group, reducing the influence of impurities on the medium flow during the process of steam entering and condensate discharging.

[0008] On the basis of the above technical solution, it further includes a filter (3), a manual angle seat valve (4), a filter (7), a three-way angle seat valve (8) and a two-way angle seat valve (9). The valve body of the check valve (10) is sealed with a flexible graphite gasket. The flexible graphite gasket can withstand high temperatures in a high-temperature steam environment, reducing the damage of high temperature to the gasket, so it has a long service life.

[0009] On the basis of the above technical solution, it further includes a flange gasket between flanges. The flange gasket is a metal wound gasket. The metal wound gasket includes a positioning ring and a filling material. The positioning ring is made of stainless steel, and the filling material is flexible graphite. Both the positioning ring and the filling material can withstand high temperatures, reducing the damage of the high-temperature environment to the gasket and having a long service life.

[0010] On the basis of the above technical solution, it further includes that the external interfaces of the external temperature inlet valve group and the external temperature return valve group both adopt flange forms, which is convenient for the connection between the valve group and external valve groups and valves.

[0011] On the basis of the above technical solution, it further includes a condensate tank (6). It uses a liquid level gauge to convey water, which can sense the high and low liquid levels, temporarily store the condensate generated during the vulcanization process, and then achieve rapid discharge of the condensate and normal water conveyance through the three-way angle seat valve (8). A manual ball valve is provided at the lowest point of the condensate tank, which can drain and remove impurities from the bottom condensate.

[0012] In the existing rubber tire vulcanization process, the valve group has a large floor area, many valve leakage points, high steam loss, and high energy waste. When rubber tires are vulcanized, a large amount of condensate is generated. If the amount of condensate is large, the water needs to be discharged in time to better retain the steam, achieving effective utilization of energy, energy conservation, and emission reduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below.

[0014] Figure 1 : Schematic diagram of the overall assembly structure of the external temperature inlet / return valve group;

[0015] Figure 2 : Schematic diagram of the single-valve structure of the external temperature inlet valve group;

[0016] Figure 3 : Schematic diagram of the single-valve structure of the external temperature return valve group;

[0017] Figure 4 : Schematic diagram of the internal structure of the three-way valve; DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The present invention will be further described below in conjunction with the drawings and examples:

[0019] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present invention and should not be construed as limiting the present invention.

[0020] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a welded connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Working principle:

[0022] External temperature steam enters, and impurities are filtered through a filter. The steam enters the diaphragm regulating valve. The diaphragm regulating valve drives the control valve stem stroke through the diaphragm, thereby regulating the temperature, pressure, and flow rate. During the tire vulcanization process, it is initially shaped. After shaping, condensate is discharged. If the amount of water is large, the water is discharged in time through the quick discharge method. Under normal circumstances, the water is discharged through the angle seat valve according to the amount of water, and the steam is retained, realizing the steam control of the external temperature part during the tire vulcanization process.

[0023] In other embodiments of the present invention, the one-piece valve and other valves and steel pipes are all made of stainless steel, which has the advantages of ensuring that the flow channel valve body and valve are not corroded by high-temperature and high-pressure steam, thereby extending the service life of the valve.

[0024] The present invention is described above by way of examples, but the present invention is not limited to the above specific embodiments, and any changes or modifications made based on the present invention belong to the scope of protection claimed by the present invention.

[0025] The utility model has the following advantages: In view of the problems in the existing rubber tire vulcanization process, such as large valve group volume, poor sealing effect, large steam leakage and low energy utilization rate, the external temperature integrated valve group of the vulcanizer adopts a film regulating valve and is equipped with 3 auxiliary manual angle seat valves to achieve non-stop operation during failure, improve efficiency and facilitate maintenance. In addition, a liquid level gauge is used to transport water, and condensed water can be discharged in time when the water level is high, which reduces heat loss, saves energy and reduces emissions, and improves energy utilization rate.

Claims

1. A new type of external heat working valve group for a vulcanizer, comprising an external temperature inlet valve group (1) and an external temperature return valve group (2), characterized in that, The external temperature inlet valve group includes: a filter (3), a manual angle seat valve (4), and a diaphragm regulating valve (5). The external temperature return valve group includes a condensate trap (6), a filter (3), a three-way angle seat valve (8), a two-way angle seat valve (9), and a check valve (10). The external temperature inlet valve group and the external temperature return valve group together form an integrated external temperature valve group system.

2. The novel externally heated thermal valve group of a vulcanizer according to claim 1, characterized in that: Three manual angle seat valves (4) are equipped around the diaphragm regulating valve (5) for protection. The diaphragm regulating valve (5) can be used normally during the repair and replacement process without shutting down the equipment. The filter (3) is welded and installed to reduce the leakage points caused by flange connection and at the same time reduce the length of the valve group.

3. A novel external heat working valve group for a vulcanizer according to claim 1, characterized in that: The condensate trap (6) is equipped with upper and lower liquid level sensing points, which can sense high and low liquid levels. When the water level is relatively high, ports A and B of the three-way angle seat valve (8) are connected to achieve rapid drainage of the water level. When the water level is lower than the high liquid level point, port A of the three-way angle seat valve is connected to port C, and the water level is discharged normally.

4. A novel externally heated thermal valve group for a vulcanizer according to claim 1, characterized in that: The valve bodies of the filter (3), the manual angle seat valve (4), the filter (3), the three-way angle seat valve (8), the two-way angle seat valve (9), and the check valve (10) are all sealed with graphite gaskets, which can withstand the influence of high-temperature steam and have a long service life.

5. A new type of externally heated thermal valve group for vulcanizing machine according to claim 1, characterized in that: The connection between flanges is through a flange gasket. The positioning ring is made of stainless steel, and the filling material of the gasket is flexible graphite, which has a long service life and meets the high-temperature requirements.

6. A novel external heat working valve group for a vulcanizer according to claim 1, characterized in that: Both the external temperature inlet valve group and the external temperature return valve group use flange connections, which are convenient for the inspection and installation of the valve group.

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