CN219295734U

CN219295734U - Rotary valve

Info

Publication number: CN219295734U
Application number: CN202320300715.3U
Authority: CN
Inventors: 吴玉升
Original assignee: Truking Technology Ltd
Current assignee: Truking Technology Ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-07-04
Anticipated expiration: 2033-02-24

Abstract

The utility model discloses a rotary valve, which comprises a hollow valve body, a feed inlet and a discharge outlet which are arranged on the valve body, wherein a valve core assembly which is detachably connected with the valve body is arranged between the feed inlet and the discharge outlet, one side of the valve body is provided with a valve core mounting inlet for integrally mounting and removing the valve core assembly, and the other side of the valve body is provided with a rotary power piece which is connected with the valve core assembly and is used for driving the valve core assembly to rotate. Compared with the prior art, the rotary valve is used for weighing ingredients and split charging of powder, can realize automatic powder discharge, can accurately control the discharge speed, is accurate in discharge quantity, is easy to assemble, disassemble and clean, is suitable for large-scale powder treatment, and can reduce the labor intensity.

Description

Rotary valve

Technical Field

The utility model belongs to the technical field of powder split charging, and particularly relates to a rotary valve.

Background

In the process of powder weighing and proportioning and powder split charging, a powder valve is required to be adopted to realize automatic discharging.

In the prior art, powder valves include a variety of discharge structures. The usual discharges are: butterfly valve, screw rod, rotary valve.

The existing butterfly valve adopts a motor to drive an output shaft to rotate so as to drive a valve core to rotate to realize discharging, and the discharging speed of the butterfly valve cannot be accurately controlled by the discharging structure. The structure of current screw rod ejection of compact exists the structure complicacy, and dismouting and washing need a large amount of manual works, and clean the not enough that the degree of difficulty is big. The existing rotary valve body is divided into an upper valve body and a lower valve body, the valve body is fixedly connected through bolts, the whole valve body is required to be disassembled when a valve core is cleaned, and a great amount of time is consumed for disassembly, assembly and cleaning.

Therefore, the powder valve in the prior art cannot meet the requirements of accurate discharging and easy cleaning.

Disclosure of Invention

First, the technical problem to be solved

Based on the above, the utility model provides a rotary valve to solve the problems of low discharging precision, complex disassembly and assembly, time and labor waste in cleaning existing powder valves.

(II) technical scheme

In order to solve the technical problems, the utility model provides a rotary valve which comprises a hollow valve body, a feed inlet and a discharge outlet which are arranged on the valve body, wherein a valve core assembly which is detachably connected with the valve body is arranged between the feed inlet and the discharge outlet, one side of the valve body is provided with a valve core loading opening which is used for integrally loading and unloading the valve core assembly, and the other side of the valve body is provided with a rotary power piece which is connected with the valve core assembly and is used for driving the valve core assembly to rotate.

Preferably, the upper part of the valve body is a feed inlet, the lower part of the valve body is a discharge outlet, and the valve core assembly is slidably arranged between the feed inlet and the discharge outlet.

Preferably, the valve core assembly includes: the automatic powder holding device comprises a mandrel, a sleeve and valve core end plates, wherein the mandrel is connected with the rotary power piece, the valve core end plates are two and are respectively fixed at two ends of the mandrel, the sleeve is sleeved outside the mandrel, two ends of the sleeve are respectively fixed with the two valve core end plates, valve plates are uniformly distributed on the sleeve, and the sleeve, the valve plates and the two valve core end plates jointly enclose a plurality of powder holding areas with the same shape.

Preferably, two ends of the valve plate are respectively fixed with two valve core end plates, the bottom of the valve plate is fixed on the outer wall of the sleeve, and the sleeve and the mandrel are arranged at intervals.

Preferably, the rotary power piece is a servo motor, and the servo motor is connected with the mandrel through a coupler.

Preferably, the rotary valve further comprises a valve cover plate fixed on the valve body through a threaded connecting piece, and the valve cover plate seals the valve core mounting inlet; the center of the valve cover plate is provided with a center mounting hole penetrating through the center mounting hole, one end, away from the rotary power piece, of the mandrel is mounted in the center mounting hole through a first bearing and a shaft end locking part, and a rotary oil seal and a shaft sleeve are arranged between the mandrel and the valve cover plate at intervals.

Preferably, the valve body is provided with a valve end plate matched with the valve cover plate, the valve end plate is provided with at least two screw holes, the position, which is opposite to the screw holes, of the valve cover plate is correspondingly provided with edge mounting holes, and the threaded connecting piece penetrates through the edge mounting holes and stretches into the screw holes.

Preferably, one end of the threaded connecting piece far away from the screw hole is provided with a star-shaped knob.

Preferably, the valve body is provided with a first sliding hole, the valve cover plate is provided with a second sliding hole penetrating through the valve cover plate, a sliding bearing is arranged in the first sliding hole, and the rotary valve further comprises a guide rod penetrating through the sliding bearing and the second sliding hole at the same time.

Preferably, a sealing element is arranged between the valve cover plate and the valve body.

(III) beneficial effects

Compared with the prior art, the rotary valve provided by the utility model has the following advantages: the rotary valve is used for weighing ingredients and powder sub-packaging, can realize automatic powder discharging, can accurately control the discharging speed, has accurate discharging quantity, is easy to assemble, disassemble and clean, is suitable for large-scale powder treatment, and can reduce the labor intensity.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a closed state diagram of the present utility model;

FIG. 2 is an open state diagram of the present utility model;

FIG. 3 is a front cross-sectional view of the present utility model;

FIG. 4 is a top cross-sectional view of the present utility model;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a partial enlarged view at B in FIG. 4;

FIG. 7 is a left side cross-sectional view of the present utility model;

FIG. 8 is a front view of the valve cartridge assembly of the present utility model;

fig. 9 is a left side view of the valve cartridge assembly of the present utility model.

Reference numerals illustrate:

1. the valve comprises a guide rod, a valve core assembly, a rotary power part, a coupler, a threaded connector, a valve cover plate, a valve body, a rotary oil seal, a shaft sleeve, an inner bearing end cover, an outer bearing end cover, a sliding bearing, a first bearing, a second end cover and a rotary valve cover, wherein the guide rod, the valve core assembly, the rotary power part, the coupler, the threaded connector, the valve cover, the valve body, the rotary oil seal, the shaft sleeve, the inner bearing end cover, the outer bearing end cover, the sliding bearing, the first bearing, the second end cover and the rotary valve cover are arranged in sequence, and the rotary valve cover is arranged in sequence.

21. The valve comprises a mandrel, a sleeve, a valve core end plate, a valve plate and a powder containing area, wherein the sleeve is arranged in the mandrel, the valve core end plate is arranged in the sleeve, the valve plate is arranged in the valve core end plate, and the powder containing area is arranged in the valve plate;

51. a star knob;

61. a center mounting hole 62;

71. valve core mounting inlet 72, feed inlet 73, discharge outlet 74, valve end plate 75, first sliding hole;

741. screw holes.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

The rotary valve of the present utility model is further described with reference to FIGS. 1-9.

Please refer to fig. 1-2 and fig. 7, which include a hollow valve body 7, and a feed inlet 72 and a discharge outlet 73 disposed on the valve body 7, wherein a valve core assembly 2 detachably connected with the valve body 7 is disposed between the feed inlet 72 and the discharge outlet 73, one side of the valve body 7 is provided with a valve core loading inlet 71 for loading and unloading the valve core assembly 2 integrally, and the other side of the valve body 7 is provided with a rotary power member 3 connected with the valve core assembly 2 and used for driving the valve core assembly 2 to rotate.

In this embodiment, the valve body 7 is used for supporting the valve core assembly 2 and is also used for forming a powder discharging channel. The rotary power piece 3 is used for driving the valve core assembly 2 to rotate, and powder can be automatically and accurately discharged by controlling the rotation quantity. The valve core assembly 2 can be integrally installed in the valve body 7 through the valve core installation inlet 71 or integrally taken out from the valve body 7, so that the valve body 7 can be quickly installed and taken out. The rotary valve disclosed by the utility model has the advantages that the whole rotary valve adopts a modularized structure, the structure is simple, the disassembly and the assembly are rapid and convenient, the cleaning difficulty is reduced, and the disassembly and the cleaning time are shortened.

Therefore, the rotary valve of the embodiment can realize the effects of accurate discharging and easy cleaning.

Referring to fig. 3, according to the embodiment of the present utility model, the upper portion of the valve body 7 is a feed port 72, the lower portion of the valve body 7 is a discharge port 73, and the valve core assembly 2 is slidably disposed between the feed port 72 and the discharge port 73.

Referring to fig. 8 to 9, according to an embodiment of the present utility model, the valve cartridge assembly 2 includes: the core shaft 21, the sleeve 22 and the valve core end plates 23 are connected with the rotary power piece 3, the valve core end plates 23 are two and are respectively fixed at two ends of the core shaft 21, the sleeve 22 is sleeved outside the core shaft 21, two ends of the sleeve 22 are respectively fixed with the two valve core end plates 23, the sleeve 22 is uniformly provided with the valve plates 24, and the sleeve 22, the valve plates 24 and the two valve core end plates 23 jointly enclose a plurality of powder containing areas 25 with the same shape.

More specifically, the number of valve plates 24 is plural, and the plural valve plates 24 are uniformly disposed around the sleeve 22.

According to the specific embodiment of the utility model, two ends of the valve plate 24 are respectively fixed with two valve core end plates 23, the bottom of the valve plate 24 is fixed on the outer wall of the sleeve 22, and the sleeve 22 and the mandrel 21 are arranged at intervals.

More specifically, the number of the valve plates 24 is eight, and the sleeve 22, the valve core end plate 23 and the valve plates 24 together enclose eight powder containing areas 25 with the same shape.

In the present embodiment, the spindle 21 provides a quick connection with the rotary power member 3. The sleeve 22, the valve core end plate 23 and the valve plate 24 are fixedly connected into a whole, so that the leakage of medicinal powder from joints can be prevented. In the concrete implementation, the distance between the sleeve 22 and the mandrel 21 can be reasonably adjusted according to the requirements of the powder discharge amount. Since the shapes of the powder containing areas 25 are the same, the powder discharging amount is the same when the number of turns of the rotary power piece 3 is the same, and the powder discharging precision is further ensured.

According to an embodiment of the utility model, the rotary power member 3 is a servomotor, which is connected to the spindle 21 via a coupling 4.

In the embodiment, the powder discharging precision can be further improved by controlling the rotation parameters of the servo motor. The quick connection of the servo motor and the mandrel 21 can be realized by adopting the coupler 4.

Referring to fig. 4-5, according to the embodiment of the present utility model, the rotary valve further includes a valve cover plate 6 fixed to the valve body 7 through a screw connection 5, and the valve cover plate 6 seals the valve core loading port 71; the center of the valve cover plate 6 is provided with a center mounting hole 61 penetrating through the center mounting hole, one end of the mandrel 21 far away from the rotary power piece 3 is mounted in the center mounting hole 61 through the first bearing 13 and the shaft end locking part, and a rotary oil seal 8 and a shaft sleeve 9 are arranged between the mandrel 21 and the valve cover plate 6 at intervals.

The shaft end locking part comprises an inner bearing end cover 10 used for limiting the bearing inner ring, the inner bearing end cover 10 is fixed with the end part of the mandrel 21, and the inner bearing end cover 10 is abutted against the outer side of the bearing inner ring. The shaft end locking part comprises an outer bearing end cover 11 for limiting the bearing outer ring, the outer bearing end cover 11 is fixed with the outer side of the valve cover plate 6, and the outer bearing end cover 11 is abutted against the outer side of the bearing outer ring.

More specifically, the sleeve 9 is a tetrafluoro sleeve, and sealing is achieved by rotating the oil seal 8 and the tetrafluoro sleeve.

In the present embodiment, the valve cover plate 6 covers the valve core inlet 71, so that the sealing property of the valve core inlet 71 can be ensured, and leakage of the powder can be avoided. The valve cover plate 6 is detachably connected with the valve body 7 through the threaded connecting piece 5, and the valve cover plate 6 is opened quickly by adopting the structure, and the valve core assembly 2 is taken out integrally for cleaning.

According to the embodiment of the utility model, the valve body 7 is provided with a valve end plate 74 matched with the valve cover plate 6, the valve end plate 74 is provided with at least two screw holes 741, the position of the valve cover plate 6 opposite to the screw holes 741 is correspondingly provided with side mounting holes (not shown), and the threaded connecting piece 5 penetrates through the side mounting holes and stretches into the screw holes 741.

In the present embodiment, the threaded connector 5 penetrates the side mounting hole and extends into the screw hole 741, thereby fixing the bonnet plate 6 to the valve body 7. Through set up valve end plate 74 at valve body 7 tip, and set up screw 741 on valve end plate 74, do benefit to valve apron 6 and valve end plate 74 and closely laminate, recycle threaded connection 5, can realize the quick assembly disassembly of both, and the two closely laminate, can avoid the inside powder of valve body 7 to spill.

According to an embodiment of the utility model, the threaded connection 5 has a star-shaped knob 51 at the end remote from the threaded bore 741.

In this embodiment, the star knob 51 is provided to facilitate the rotation of the hand-held control screw 5, and further improve the efficiency of the assembly and disassembly.

According to an embodiment of the utility model, the valve body 7 is provided with a first sliding hole 75, the valve cover plate 6 is provided with a second sliding hole 62 penetrating through the first sliding hole 75, the first sliding hole 75 is internally provided with a sliding bearing 12, and the rotary valve further comprises a guide rod 1 penetrating through the sliding bearing 12 and the second sliding hole 62.

In this embodiment, during the use, loosen threaded connection spare 5, after relieving the fixed connection of valve body 7 and valve gap board 6, through guide arm 1 and slide hole cooperation, make valve body 7 and valve gap board 6 form sliding connection's structure, can follow the direction of guide arm 1 direction, realize the whole dismouting to case subassembly 2, do benefit to and provide quick location and direction function for the dismouting, improve the speed and the stability of dismouting.

According to an embodiment of the utility model, a seal is provided between the deck 6 and the valve body 7. In this embodiment, this structure is advantageous in improving the sealing performance.

According to the specific embodiment of the utility model, the number of the guide rods 1 is two, and the two guide rods 1 are respectively arranged on two opposite sides of the valve cover plate 6.

In this embodiment, two first sliding holes 75 are formed in the valve body 7, two second sliding holes 62 are formed in the valve cover plate 6, each guide rod 1 penetrates through one first sliding hole 75 and one second sliding hole 62 respectively, and two sets of oppositely arranged guide structures can be formed, so that the stability of the guide is improved.

More specifically, referring to fig. 4 and 6, the end of the mandrel connected to the coupling is further provided with a second bearing 14, a second end cap 15 and a rotary valve cover 16. By adopting the structure, the rotary smoothness is improved, and the rotary sealing is realized.

The use of the utility model is further described below.

The upper feed inlet 72 of the rotary valve of the utility model is firstly arranged and fixed under the storage container by a clamp, and then the lower discharge outlet 73 of the rotary valve of the utility model is connected with the receiving container by the clamp and a connecting guide pipe to form a complete powder conveying system.

The servo motor is started, power is transmitted to the mandrel 21 through the coupler 4, and the valve core assembly 2 is driven to rotate. After the powder enters the valve cavity from the feed inlet 72, the powder is uniformly discharged into the lower container under the rotation of the valve core assembly 2. The size of the powder discharge amount is changed by adjusting the rotating speed of the servo motor, so that automatic powder discharge is realized, the discharge speed is accurately controlled, and the discharge amount is accurate.

The process of attaching and detaching the rotary valve of the present utility model will be specifically described.

When the discharging is finished and the rotary valve of the utility model is required to be cleaned, the threaded connecting piece 5 is manually unscrewed, the valve core assembly 2 is integrally pulled out of the valve body 7, the rotary valve of the utility model is enabled to be in a closed state (shown in figure 1) to be in an open state (shown in figure 2), then all parts in the rotary valve of the utility model are sequentially removed and cleaned, cleaning is carried out, after the cleaning is finished, the valve core assembly 2 is integrally pushed into the valve body 7 after being installed and fixed, and the threaded connecting piece 5 is screwed down, so that the installation is finished.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the connection may be mechanical connection, electrical connection, direct connection, indirect connection through an intermediate medium, communication between two elements, or "transmission connection", i.e. power connection by various suitable means such as belt transmission, gear transmission or sprocket transmission. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims

1. The rotary valve is characterized by comprising a hollow valve body (7) and a feed inlet (72) and a discharge outlet (73) which are arranged on the valve body (7), wherein a valve core assembly (2) which is detachably connected with the valve body (7) is arranged between the feed inlet (72) and the discharge outlet (73), one side of the valve body (7) is provided with a valve core mounting inlet (71) which is used for integrally mounting and dismounting the valve core assembly (2), and the other side of the valve body (7) is provided with a rotary power piece (3) which is connected with the valve core assembly (2) and is used for driving the valve core assembly (2) to rotate.

2. Rotary valve according to claim 1, characterized in that the upper part of the valve body (7) is a feed inlet (72), the lower part of the valve body (7) is a discharge outlet (73), and the valve core assembly (2) is slidably arranged between the feed inlet (72) and the discharge outlet (73).

3. Rotary valve according to claim 2, characterized in that the spool assembly (2) comprises: dabber (21), sleeve pipe (22) and case end plate (23), dabber (21) with rotary power member (3) link to each other, case end plate (23) are two and are fixed in respectively the both ends of dabber (21), sleeve pipe (22) cover is located outside dabber (21) just the both ends of sleeve pipe (22) are fixed with two respectively case end plate (23), the equipartition has valve plate (24) on sleeve pipe (22), valve plate (24) and two case end plate (23) enclose into a plurality of powder holding areas (25) the same shape jointly.

4. A rotary valve according to claim 3, wherein two ends of the valve plate (24) are respectively fixed with two valve core end plates (23), the bottom of the valve plate (24) is fixed on the outer wall of the sleeve (22), and the sleeve (22) is arranged at intervals with the mandrel (21).

5. Rotary valve according to claim 4, characterized in that the rotary power member (3) is a servomotor, which is connected to the spindle (21) via a coupling (4).

6. Rotary valve according to claim 5, characterized in that it further comprises a valve cover plate (6) fixed to the valve body (7) by means of a threaded connection (5), the valve cover plate (6) closing the valve cartridge loading opening (71); the center of valve gap board (6) is equipped with center mounting hole (61) that runs through on it, dabber (21) keep away from the one end of rotary power member (3) through first bearing (13) and axle head locking part install in center mounting hole (61), dabber (21) with the interval is equipped with rotatory oil blanket (8) and axle sleeve (9) between valve gap board (6).

7. Rotary valve according to claim 6, characterized in that the valve body (7) is provided with a valve end plate (74) which is matched with the valve cover plate (6), the valve end plate (74) is provided with at least two screw holes (741), the position of the valve cover plate (6) opposite to the screw holes (741) is correspondingly provided with edge mounting holes, and the threaded connecting piece (5) penetrates through the edge mounting holes and stretches into the screw holes (741).

8. Rotary valve according to claim 7, characterized in that the end of the threaded connection (5) remote from the screw bore (741) has a star-shaped knob (51).

9. Rotary valve according to claim 8, characterized in that the valve body (7) is provided with a first sliding hole (75), the valve cover plate (6) is provided with a second sliding hole (62) penetrating the valve cover plate, the first sliding hole (75) is internally provided with a sliding bearing (12), and the rotary valve further comprises a guide rod (1) penetrating both the sliding bearing (12) and the second sliding hole (62).

10. Rotary valve according to claim 9, characterized in that a seal is provided between the valve cover plate (6) and the valve body (7).