Solid discharging automatic switching valve

Abstract

The utility model relates to the technical field of automation control, and discloses a solid blanking automatic switch valve which comprises a valve core, a fixing support, a valve core connecting rod sliding sleeve, a piston connecting rod sliding sleeve, a piston, a cylinder barrel and an oil nozzle, the valve core is provided with a valve core sealing face, and a bottle plug type valve core protrusion is arranged in the center of the valve core sealing face. The valve element is connected with one end of the valve element connecting rod sliding sleeve, the other end of the valve element connecting rod sliding sleeve is connected with the fixing shaft, and a first positioning pin and a second positioning pin are arranged on the inner wall of the valve element connecting rod sliding sleeve and the inner wall of the piston connecting rod sliding sleeve respectively. According to the utility model, the bulge on the valve core can be perfectly embedded into the pit at the bottom of the reaction kettle, so that the reaction is prevented from being influenced by accumulated materials. And secondly, the valve element is connected with the valve element connecting rod sliding sleeve through the universal joint, it is guaranteed that sealing faces are tightly attached, material leakage is avoided, and potential safety hazards at high temperature are eliminated. And automatic discharging and resetting are achieved, and the production automation level is comprehensively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the automation control technical field especially relates to solid unloading automatic switch valve. BACKGROUND

[0002] Solid unloading is a key link in many industrial production processes, especially in the chemical, food, pharmaceutical and building material industries. Precise, fast and safe discharge of solid materials from storage or reaction equipment directly affects production efficiency and product quality. Traditional solid unloading usually relies on manual operation, which not only has low efficiency, but also is prone to material waste, environmental pollution and other problems. In order to improve production efficiency and reduce manual intervention, many enterprises have begun to use automatic unloading systems, including different types of automatic switch valves. These systems achieve automatic opening and closing of the valve through mechanization or hydraulic devices, thereby achieving the purpose of precise control of material unloading amount.

[0003] However, the existing automatic unloading technology is mostly suitable for the control of liquid or solid suspension. For the automatic unloading of pure solid materials, there are still many deficiencies. Many existing unloading valve designs do not fully consider the characteristics of solid materials, such as friction between particles, blockage and material leakage problems. Although the common automatic unloading valve design can achieve automation to some extent, due to the structure and sealing performance, it is still impossible to completely avoid material loss and safety hazards. In addition, due to the dust generated by solid materials during unloading, traditional equipment often cannot effectively control these problems, resulting in poor working environment and may affect the safety and product quality during production.

[0004] In view of the above problems, the solid unloading automatic switch valve is proposed to solve the above problems. Utility model content

[0005] In order to make up for the above shortcomings, the utility model provides a solid unloading automatic switch valve, which aims to improve the problems of poor sealing, material loss, dust pollution and inconvenient operation in the prior art.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: solid automatic opening and closing valve of unloading, including valve core, fixed bolster, valve core connecting rod slipper, piston connecting rod slipper, piston, cylinder barrel and oil nozzle, the valve core has valve core sealing face, and the valve core sealing face is centrally provided with the cork type valve core protrusion, the valve core is connected with valve core connecting rod slipper one end, the other end of valve core connecting rod is connected with fixed shaft, the inner wall of valve core connecting rod slipper and piston connecting rod slipper is equipped with positioning pin one and positioning pin two respectively, positioning pin one and positioning pin two are embedded in the L type and I type recessed groove track outside fixed shaft respectively, the hydraulic oil pressure of oil nozzle inside input drives the piston, the piston slides up and down in the inside of cylinder barrel, thereby driving valve core connecting rod slipper and piston connecting rod slipper along the track of fixed shaft and sliding.

[0007] As further description of the above technical scheme:

[0008] The top of the valve core protrusion is flush with the upper edge of the nest pit of the reaction kettle bottom, to ensure the sealing property when the valve is closed.

[0009] As further description of the above technical scheme:

[0010] The connection mode of the valve core and the valve core connecting rod slipper is universal joint connection, to ensure that the sealing surface is tightly attached after the valve core resets and is uniformly stressed.

[0011] As further description of the above technical scheme:

[0012] One end of the fixed bolster is connected with the fixing member of the reaction kettle bottom through bolts, and the other end is connected with the bottom end of the fixed shaft through welding.

[0013] As further description of the above technical scheme:

[0014] The valve core sealing surface is attached with the unloading port sealing surface of the reaction kettle bottom, to form reliable sealing and prevent material leakage.

[0015] As further description of the above technical scheme:

[0016] The valve core connecting rod slipper slides forward and backward in the L type track, to drive the valve core to move up and down and left and right.

[0017] The utility model has the following beneficial effects:

[0018] 1、In the utility model, the protrusion on the valve core can be perfectly embedded in the nest pit of the reaction kettle bottom, which is equivalent to the bottle stopper being inserted into the bottle mouth, to prevent the nest pit from having accumulated material and not being able to completely participate in the reaction, thereby affecting the product quality.

[0019] 2、 The utility model discloses, valve core and valve core connecting rod slip cover adopt the connecting mode similar to universal joint, make valve core reset, sealing surface close, stress uniform, avoid leakage, reduce material loss, eliminate security and production hidden danger ( reactant material temperature 150 about ℃).

[0020] 3、 The utility model discloses, valve core connecting rod slip cover's inner wall positioning pin can carry out " L " type forward and reverse sliding in the " L " type recessed groove track of fixed axle outer wall, thereby drive valve core up and down and left and right movement, complete the switch action of valve and realize automatic unloading and automatic reset, thereby replace manual switch valve, realize production whole process automation really. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the solid unloading automatic switch valve's three-dimensional schematic view that the utility model proposes;

[0022] Figure 2 It is Figure 1 The enlarged view of A in the middle.

[0023] Legend:

[0024] 1, fixed support;2, valve core sealing surface;3, valve core convex;4, valve core connecting rod slip cover;5, piston connecting rod slip cover;6, piston;7, cylinder;8, oil nozzle. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Refer to Figure 1 - Figure 2The utility model provides an embodiment: a kind of solid automatic on-off valve of discharging, solve the problems such as sealing not strictly, material leakage, environmental pollution in the solid material discharging process in prior art. Valve core is provided with valve core sealing surface 2, its median is provided with the valve core protrusion 3 of cork type, the protrusion can perfectly embed the nest pit of reactor bottom, similar to cork and bottle mouth, ensure that there is no material accumulation in nest pit when valve is closed, prevent material from not completely participating in reaction, to avoid affecting product quality. Valve core and valve core connecting rod sliding sleeve 4 are connected by the connecting mode similar to universal joint, ensure that after valve core resets, sealing surface is closely attached, stress is uniform, avoid material leakage, reduce material loss, eliminate the security risk when reactant material temperature is as high as 150 DEG C. The positioning pin one of valve core connecting rod sliding sleeve 4 inner wall can slide in the L type groove track of fixed shaft outer wall in positive and negative direction, by the synergies of valve core connecting rod sliding sleeve 4 and piston connecting rod sliding sleeve 5, drive valve core to move up and down, left and right, complete the switching action of valve, realize automatic discharging and automatic reset, replace manual on-off valve, realize the automation of whole production process. Piston 6 cooperates with cylinder 7, oil nozzle 8, is driven by hydraulic pressure, promotes piston 6 to slide up and down, drive the movement of valve core, ensure the smooth opening and closing of valve. Fixed support 1 is connected by bolt the fixing piece of reactor bottom, and the other end is welded to the bottom end of fixed shaft, ensure the stable installation and long-term reliable operation of valve.

[0027] Working principle: the solid automatic on-off valve of discharging realizes automatic control by hydraulic drive system. In the working process, oil nozzle 8 inputs hydraulic oil, drives piston 6 to slide up and down in the inside of cylinder 7, to drive valve core connecting rod sliding sleeve 4 and piston connecting rod sliding sleeve 5 to slide along the track of fixed shaft. The movement of sliding sleeve promotes valve core to move up and down, left and right, complete the switching action of valve. When valve core protrusion 3 embeds the nest pit of reactor bottom, valve is closed, ensure sealing, prevent material leakage and avoid material accumulation to affect reaction. Valve core and valve core connecting rod sliding sleeve 4 adopt universal joint connection mode, ensure that after valve core resets, sealing surface is closely attached, stress is uniform. The whole system realizes the automatic discharging and reset of solid material, replaces manual operation, improves the automation level and safety of production process.

[0028] Finally, it should be noted that: the above only for preferred embodiment of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. An automatic switching valve for solid feeding, comprising a valve core, a fixed bracket (1), a valve core connecting rod sleeve (4), a piston connecting rod sleeve (5), a piston (6), a cylinder (7), and an oil nozzle (8), characterized in that: The valve core has a valve core sealing surface (2), and a stopper-type valve core protrusion (3) is provided in the center of the valve core sealing surface (2). The valve core is connected to one end of the valve core connecting rod sleeve (4), and the other end of the valve core connecting rod sleeve (4) is connected to the fixed shaft. The inner walls of the valve core connecting rod sleeve (4) and the piston connecting rod sleeve (5) are respectively provided with positioning pin one and positioning pin two. Positioning pin one and positioning pin two are respectively embedded in the L-shaped and I-shaped groove tracks outside the fixed shaft. The hydraulic oil pressure input inside the oil nozzle (8) drives the piston (6). The piston (6) slides up and down inside the cylinder (7), thereby driving the valve core connecting rod sleeve (4) and the piston connecting rod sleeve (5) to slide along the track of the fixed shaft.

2. The automatic solid feeding switching valve according to claim 1, characterized in that: The top of the valve core protrusion (3) is flush with the upper edge of the pit at the bottom of the reactor to ensure the valve is sealed when closed.

3. The automatic solid feeding switching valve according to claim 1, characterized in that: The valve core and the valve core connecting rod sleeve (4) are connected by a universal joint to ensure that the sealing surface fits tightly and the force is uniform after the valve core is reset.

4. The automatic solid feeding switching valve according to claim 1, characterized in that: One end of the fixed bracket (1) is connected to the fixing part at the bottom of the reactor by bolts, and the other end is connected to the bottom of the fixed shaft by welding.

5. The automatic solid feeding switching valve according to claim 1, characterized in that: The valve core sealing surface (2) is in contact with the discharge port sealing surface at the bottom of the reactor to form a reliable seal and prevent material leakage.

6. The automatic solid feeding switching valve according to claim 1, characterized in that: The valve core connecting rod sleeve (4) slides forward and backward within the L-shaped track, driving the valve core to complete the up, down, left and right movements.

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