CN210064237U - Anti-sticking rotary seal valve - Google Patents

Abstract

An anti-jamming rotary seal valve comprises a rotary valve shell, a rotor is arranged in the rotary valve shell, and a feed inlet is formed above the rotary valve shell; a feeding sleeve is arranged at the feeding port; the pipe wall of the part, which is connected with the feed inlet of the rotary valve shell, on the left side of the feed sleeve is specifically a guide pipe wall which is inclined towards the lower right; a first material baffle is arranged above the wall of the material guide pipe, the first material baffle is a flat plate which is inclined towards the left lower side, and the tail end of the first material baffle is fixed on the wall of the right side of the feeding sleeve; a second material baffle plate is arranged above the first material baffle plate, the second material baffle plate is a flat plate which inclines towards the lower right, and the tail end of the second material baffle plate is fixed on the left side pipe wall of the feeding sleeve; meanwhile, a small stop block is convexly arranged at the tail end of the wall of the material guide pipe and can be rotatably arranged through a pin; the anti-blocking rotary seal valve designed by the scheme can effectively prevent the material from being accumulated at the feed inlet and can also effectively prevent the material from colliding with the rotor partition plate to cause damage.

Description

Anti-sticking rotary seal valve

Technical Field

The utility model belongs to the technical field of the valve, concretely relates to anti-sticking rotary seal valve.

Background

The rotary sealing valve is a special device used for unloading, metering, dedusting, quantitative conveying, mixing and packaging in a powder (powder, granular material and powder-particle mixture) conveying system. The composite material is widely used in the industries of chemical industry, environmental protection, petroleum, metallurgy, refractory materials, electric power, cement, plastics, grain medicine and the like;

the conventional rotary sealing valve has a common defect that when a large amount of materials enter the valve body, the materials are blocked in a material cavity of a rotor, so that the whole rotary sealing valve is blocked, and meanwhile, a large amount of materials are damaged; therefore, a jam prevention structure is generally provided at the feed port of the rotary sealing valve, and in the prior art, the application numbers are as follows: in the "rotary valve material conveying anti-jamming mechanism" disclosed in CN201721236225.2, two pairs of feeding baffles are arranged, and the material is limited and guided by the feeding baffles; however, there is a drawback in this patent document that when the rotor is rotating, the material falls down from the lower feeding baffle, and at this time, if the partition plate of the material cavity of the rotor is just below the material, the material collides with the partition plate, which damages the material, and at the same time, the material is ejected from all places due to collision to the particles with high elasticity.

Therefore, it is necessary to design an anti-seize rotary seal valve to solve the above technical problems.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide an anti-blocking rotary seal valve.

In order to achieve the above objects and other related objects, the present invention provides a technical solution: the anti-blocking rotary sealing valve comprises a rotary valve housing, a rotor and a driving motor, wherein the rotor is arranged inside the rotary valve housing, and a feeding hole is formed above the rotary valve housing; a feeding sleeve is arranged at the feeding port; the pipe wall of the part, connected with the feed inlet of the rotary valve shell, on the left side of the feed sleeve is a guide pipe wall which is inclined towards the lower right; meanwhile, a first material baffle is arranged above the material guide pipe wall, the first material baffle is a flat plate which is inclined towards the left lower side, and the tail end of the first material baffle is fixed on the right pipe wall of the feeding sleeve; a second material baffle plate is arranged above the first material baffle plate, the second material baffle plate is a flat plate which inclines towards the lower right, and the tail end of the second material baffle plate is fixed on the left side pipe wall of the feeding sleeve; meanwhile, a small stop block is arranged at the tail end of the material guide pipe wall in a protruding mode and can be arranged in a rotating mode through a pin.

Preferably, the rotor is provided with a driven sprocket, an output shaft of the driving motor is provided with a driving sprocket, and the driven sprocket and the driving sprocket are connected with each other through a chain.

Preferably, the tail end parts of the first baffle plate and the second baffle plate are concave curved surfaces.

Preferably, the small stop block is a soft plastic block.

Preferably, the clearance between the rotor and the rotary valve housing is no more than 0.03 mm.

The structural features of the above solution are explained as follows:

compared with the existing sealing valve, the anti-blocking rotary sealing valve designed by the scheme has the following beneficial effects:

1. the materials falling from the feeding sleeve are limited and guided through the second material baffle and the first material baffle, so that the materials can uniformly enter each material cavity of the rotor from the left material guide inclined tube wall of the feeding sleeve, and the material is effectively prevented from blocking a feed inlet above the rotary valve shell.

2. When the baffle of rotor rotated the below of guide pipe wall, the baffle can touch the little dog that is located guide pipe wall tail end, because little dog is rotatable movable block, so little dog can upwards be lifted by the baffle that removes, and little dog can guarantee that material and baffle can not take place direct collision this moment, leaves the back when the baffle, and little dog is because the action of gravity can fall down automatically, and this structure is very simple, but the effect is splendid.

3. The rotor is not coaxial coupling with driving motor, but realizes the transmission through sprocket, chain, and driving motor need not to set up inside the rotary valve casing like this, and the rotary valve can not produce vibrations because of the work of motor when using.

4. The tail end parts of the first material baffle and the second baffle are arranged to be concave curved surfaces, so that the falling speed of the material can be effectively reduced when the material passes through, a buffering effect is achieved, and the stability of the material during falling is guaranteed.

5. The small stopper is set as a soft plastic block because the stopper acts only to temporarily isolate the material from the partition, but it cannot affect the normal rotation of the rotor in the rotary valve housing, and also cannot make a large abnormal sound when it collides with the rotor partition.

6. The distance between the rotor and the valve body reaches within 0.03mm by processing the rotor of the rotary valve, so that the sealing performance of the rotary valve is improved, and materials in the valve body are separated from air.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the above figures, the rotary valve casing 1, the rotor 2, the driven sprocket 3, the driving sprocket 4, the driving motor 5, the chain 6, the feeding sleeve 7, the guide pipe wall 8, the first striker plate 9, the second striker plate 10 and the small stopper 11 are shown.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Example (b): the anti-sticking rotary seal valve has the specific structure as shown in figure 1,

the rotary valve comprises a rotary valve shell 1, a rotor 2 and a driving motor 5, wherein the rotor 2 is arranged inside the rotary valve shell 1, and a feeding hole is formed above the rotary valve shell 1; a feeding sleeve 7 is arranged at the feeding port; the pipe wall of the part, which is connected with the feed inlet of the rotary valve shell 1, on the left side of the feed sleeve 7 is specifically a guide pipe wall 8 which is inclined towards the lower right; meanwhile, a first baffle plate 9 is arranged above the material guide pipe wall 8, the first baffle plate 9 is a flat plate which is inclined towards the left lower side, and the tail end of the first baffle plate 9 is fixed on the right pipe wall of the material feed sleeve 7; a second baffle plate 10 is arranged above the first baffle plate 9, the second baffle plate 10 is a flat plate which is inclined towards the lower right, and the tail end of the second baffle plate 10 is fixed on the left side pipe wall of the feeding sleeve 7; meanwhile, a small stop block 11 is convexly arranged at the tail end of the material guide pipe wall 8, and the small stop block 11 can be rotatably arranged through a pin.

The anti-blocking rotary seal valve designed by the scheme has the following specific working principle:

referring to fig. 1, when the rotary valve works, the motor rotates, the rotor 2 rotates clockwise through transmission of the transmission chain, materials can enter the rotary valve from a feeding sleeve 7 arranged at a discharge port above the rotary valve downwards, the materials fall on a material guide pipe wall 8 at the lower right corner under the guidance of a second material baffle plate 10 and a first material baffle plate 9, then enter a material cavity of the rotor 2 from the lower right side under the action of the material guide pipe wall 8, the rotor 2 rotates while the materials fall down, and therefore the situation that a large amount of materials are accumulated at the feed port cannot occur; simultaneously, when the baffle of rotor 2 passed through the below of guide pipe wall 8, the baffle can touch the little dog 11 that is located the 8 tail ends of guide pipe wall, because little dog 11 is rotatable movable block, so little dog 11 can upwards be lifted by the baffle that removes, little dog 11 can guarantee that material and baffle can not take place direct collision this moment, leaves the back when the baffle, little dog 11 can fall down because the action of gravity is automatic, has completely cut off material and baffle effectively and has taken place direct contact.

The preferred embodiment is as follows:

a driven chain wheel 3 is arranged on the rotor 2, a driving chain wheel 4 is arranged on an output shaft of a driving motor 5, and the driven chain wheel 3 and the driving chain wheel 4 are mutually connected through a chain 6; the rotor 2 and the driving motor 5 are not coaxially connected, but are driven by a chain wheel and a chain 6, so that the driving motor 5 is not required to be arranged inside the rotary valve shell 1, and the rotary valve can not generate vibration due to the work of the motor when in use.

The tail end parts of the first striker plate 9 and the second striker plate are both concave curved surfaces; therefore, when the material passes through, the falling speed of the material can be effectively reduced, a buffering effect is achieved, and the stability of the falling material is guaranteed.

The small stop block 11 is a soft plastic block; the stop block is used for temporarily isolating the material from the partition plate, but the stop block cannot influence the normal rotation of the rotor 2 in the rotary valve shell 1 and cannot generate large abnormal sound when the stop block collides with the partition plate of the rotor 2.

The clearance between the rotor 2 and the rotary valve shell 1 is not more than 0.03 mm; therefore, the sealing performance of the rotary valve can be improved, and the materials in the valve body are separated from the air.

To sum up, this embodiment both can prevent effectively that the material from piling up the phenomenon at the feed inlet of card, can also prevent effectively simultaneously that the material from producing the collision and the condition of damage with 2 baffles of rotor, simple structure has very high practicality.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (5)

1. The anti-blocking rotary sealing valve comprises a rotary valve housing, a rotor and a driving motor, wherein the rotor is arranged inside the rotary valve housing, and a feeding hole is formed above the rotary valve housing; the method is characterized in that: a feeding sleeve is arranged at the feeding port; the pipe wall of the part, connected with the feed inlet of the rotary valve shell, on the left side of the feed sleeve is a guide pipe wall which is inclined towards the lower right; meanwhile, a first material baffle is arranged above the material guide pipe wall, the first material baffle is a flat plate which is inclined towards the left lower side, and the tail end of the first material baffle is fixed on the right pipe wall of the feeding sleeve; a second material baffle plate is arranged above the first material baffle plate, the second material baffle plate is a flat plate which inclines towards the lower right, and the tail end of the second material baffle plate is fixed on the left side pipe wall of the feeding sleeve; meanwhile, a small stop block is arranged at the tail end of the material guide pipe wall in a protruding mode and can be arranged in a rotating mode through a pin.

2. The anti-seize rotary seal valve according to claim 1, characterized in that: the rotor is provided with a driven chain wheel, an output shaft of the driving motor is provided with a driving chain wheel, and the driven chain wheel and the driving chain wheel are mutually connected through a chain.

3. The anti-seize rotary seal valve according to claim 1, characterized in that: the tail end parts of the first material baffle and the second material baffle are both concave curved surfaces.

4. The anti-seize rotary seal valve according to claim 1, characterized in that: the small stop block is a soft plastic block.

5. The anti-seize rotary seal valve according to claim 1, characterized in that: the clearance between the rotor and the rotary valve housing is no more than 0.03 mm.

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