CN216479002U - Explosion-proof leads static spherical crystal unloading control valve - Google Patents

Abstract

The utility model provides an explosion-proof static-conducting spherical crystal blanking control valve which comprises a valve body, a valve plate, a static-conducting upper sealing plate, a static-conducting lower sealing plate and an actuating mechanism, wherein the static-conducting upper sealing plate and the static-conducting lower sealing plate are fixedly arranged in the valve body, the valve plate is movably inserted in the valve body, the static-conducting upper sealing plate and the static-conducting lower sealing plate are respectively positioned at the upper side and the lower side of the valve plate, the actuating mechanism is arranged on the valve body, and the actuating mechanism is connected with the valve plate.

Description

Explosion-proof leads static spherical crystal unloading control valve

Technical Field

The utility model relates to the technical field of valves, in particular to the technical field of spherical crystal blanking control valves.

Background

The spherical crystallization technology is widely applied in the field of mineral industry, and is mostly focused on improving the powder property of materials, such as crystal morphology, particle size distribution, tabletting performance, powder flowability, bulk density and the like, the spherical crystal materials in a storage bin need to be discharged onto an electronic platform scale through a valve in the blanking process of the spherical crystal materials in the production process, and then the spherical crystal materials are weighed and packaged by the electronic platform scale, the valves on the traditional spherical crystal material storage bin all adopt manual gate valves, however, the manual gate valves have the following defects: firstly, the manual gate valve of the traditional spherical crystal material adopts a polyether-ether-ketone soft sealing valve seat, the valve plate of the gate valve is made of steel, and when the valve plate of the gate valve is in the action process, static electricity is easily generated by friction with the soft sealing valve seat, so that the spherical crystal material is ignited to cause explosion accidents; secondly, the manual gate valve needs manual operation, so that the labor intensity of workers is increased, the opening degree of the gate valve is difficult to control, the blanking precision is difficult to control, and the weighing precision of the spherical crystal material is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an explosion-proof static electricity conducting spherical crystal blanking control valve, which solves the problems that a manual gate valve in the prior art is easy to generate static electricity and needs manual operation.

The technical scheme of the utility model is realized as follows:

the utility model provides an explosion-proof static spherical crystal unloading control valve that leads, includes valve body, valve plate, leads static upper seal plate, leads static lower seal plate and actuating mechanism, lead static upper seal plate and lead static lower seal plate fixed mounting in the valve body, the valve plate activity is inserted and is established in the valve body, leads static upper seal plate and leads static lower seal plate and is located the upper and lower both sides of valve plate respectively, actuating mechanism installs on the valve body, and actuating mechanism is connected with the valve plate.

Further, actuating mechanism includes casing, motor, lead screw, uide bushing, slide, swivel nut, guide bar and proximity switch, casing and valve body fixed connection, uide bushing fixed mounting are in the casing, and the guide bar activity is worn to establish in the uide bushing, and a tip and the slide fixed connection of guide bar, another tip and valve plate fixed connection, swivel nut fixed mounting are on the slide, the lead screw passes through bearing movable mounting in the casing to with swivel nut threaded connection, motor fixed mounting is on the casing to be connected with the lead screw transmission through the shaft coupling, proximity switch fixed mounting is in the casing, be equipped with the response piece corresponding with proximity switch on the slide, proximity switch is connected with the motor electricity, is equipped with shrouding and lower shrouding respectively in the top and the bottom of casing.

Further, the valve body comprises an upper valve casing and a lower valve casing, the upper valve casing is fixedly connected with the lower valve casing, the static conducting upper sealing plate and the static conducting lower sealing plate are fixedly installed between the upper valve casing and the lower valve casing, a sliding groove is formed in the bottom of the static conducting upper sealing plate, the static conducting lower sealing plate is located below the sliding groove of the static conducting upper sealing plate, the valve plate is movably inserted into the sliding groove formed in the static conducting upper sealing plate, a first blanking hole, a second blanking hole and a third blanking hole which are communicated with each other are respectively formed in the upper valve casing, the static conducting upper sealing plate and the lower valve casing, and the second blanking hole in the static conducting upper sealing plate is communicated with the sliding groove.

Further, still include feeder hopper, play hopper and sealed the pad, feeder hopper fixed mounting is on last valve casing to be linked together with the first unloading hole of last valve casing, go out hopper fixed mounting on lower valve casing, and communicate with the third unloading hole of lower valve casing, sealed the pad sticiss between last valve casing and feeder hopper.

Furthermore, the static electricity conducting upper sealing plate and the static electricity conducting lower sealing plate are made of carbon black static electricity conducting plastic materials.

Further, the motor is an explosion-proof servo motor, and the proximity switch is an explosion-proof proximity switch.

The utility model adopts the technical proposal to achieve the following beneficial effects:

1. because the static electricity conducting upper sealing plate and the static electricity conducting lower sealing plate are arranged on the upper side and the lower side of the valve plate, the valve plate is prevented from generating static electricity when moving, and a good explosion-proof effect is achieved.

2. Actuating mechanism passes through the motor drive lead screw and rotates, drives swivel nut, slide and guide bar through the lead screw and removes, and rethread guide bar drives the valve plate and removes along the spout, adjusts the aperture of valve plate to need not artifical manual operation, alleviateed staff's intensity of labour, and the aperture of valve plate is controlled easily, has improved the unloading precision.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a top view of the utility model of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 2 at A;

fig. 5 is a partially enlarged view of B in fig. 2.

In the drawings, the parts corresponding to the reference numerals are as follows:

1-a valve plate, 2-an electrostatic conduction upper sealing plate, 3-an electrostatic conduction lower sealing plate, 4-a housing, 5-a motor, 6-a screw rod, 7-a guide sleeve, 8-a slide seat, 9-a screw sleeve, 10-a guide rod, 11-a proximity switch, 12-a coupler, 13-a sensing block, 14-an upper sealing plate, 15-a lower sealing plate, 16-an upper valve housing, 17-a lower valve housing, 18-a chute, 19-a first blanking hole, 20-a second blanking hole, 21-a third blanking hole, 22-a feed hopper, 23-a discharge hopper, 24-a sealing gasket and 25-a bearing.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the explosion-proof static electricity conducting spherical crystal blanking control valve comprises a valve body, a valve plate 1, a static electricity conducting upper sealing plate 2, a static electricity conducting lower sealing plate 3, an actuating mechanism, a feeding hopper 22, a discharging hopper 23 and a sealing gasket 24, wherein the static electricity conducting upper sealing plate 2 and the static electricity conducting lower sealing plate 3 are fixedly installed in the valve body, the valve plate 1 is movably inserted into the valve body, the static electricity conducting upper sealing plate 2 and the static electricity conducting lower sealing plate 3 are respectively located on the upper side and the lower side of the valve plate 1, the actuating mechanism is installed on the valve body, and the actuating mechanism is connected with the valve plate 1.

The specific structure of the actuator and the specific connection relationship with the valve plate 1 are as follows: the actuating mechanism comprises a machine shell 4, a motor 5, a screw rod 6, a guide sleeve 7, a sliding seat 8, a threaded sleeve 9, a guide rod 10 and a proximity switch 11, wherein the machine shell 4 is fixedly connected with a valve body, the guide sleeve 7 is fixedly arranged in the machine shell 4, the guide rod 10 is movably arranged in the guide sleeve 7 in a penetrating way, one end part of the guide rod 10 is fixedly connected with the sliding seat 8, the other end part of the guide rod 10 is fixedly connected with a valve plate 1, the threaded sleeve 9 is fixedly arranged on the sliding seat 8, the screw rod 6 is movably arranged in the machine shell 4 through a bearing 25 and is in threaded connection with the threaded sleeve 9, the motor 5 is fixedly arranged on the machine shell 4 and is in transmission connection with the screw rod 6 through a coupler 12, the proximity switch 11 is fixedly arranged in the machine shell 4, an induction block 13 corresponding to the proximity switch 11 is arranged on the sliding seat 8, the proximity switch 11 is electrically connected with the motor 5, the top and the bottom of the machine shell 4 are respectively provided with an upper sealing plate 14 and a lower sealing plate 15, the motor 5 is explosion-proof servo motor, proximity switch 11 is explosion-proof proximity switch, and in this embodiment, proximity switch 11's quantity is two, and two proximity switch 11 correspond the critical position of valve plate 1 respectively, and valve plate 1 is at the removal in-process, when response piece 13 is close to proximity switch 11, and proximity switch 11 controls motor 5 promptly and stops.

The specific structure of the valve body, and the specific connection relationship among the static electricity conducting upper sealing plate 2, the static electricity conducting lower sealing plate 3, the valve plate 1 and the valve body are as follows: the valve body comprises an upper valve casing 16 and a lower valve casing 17, the upper valve casing 16 is fixedly connected with the lower valve casing 17, the static conducting upper sealing plate 2 and the static conducting lower sealing plate 3 are fixedly installed between the upper valve casing 16 and the lower valve casing 17, a sliding groove 18 is formed in the bottom of the static conducting upper sealing plate 2, the static conducting lower sealing plate 3 is located below the sliding groove 18 of the static conducting upper sealing plate 2, the valve plate 1 is movably inserted in the sliding groove 18 of the static conducting upper sealing plate 2, a first blanking hole 19, a second blanking hole 20 and a third blanking hole 21 which are communicated are respectively formed in the upper valve casing 16, the static conducting upper sealing plate 2 and the lower valve casing 17, the second blanking hole 20 in the static conducting upper sealing plate 2 is communicated with the sliding groove 18, and the static conducting upper sealing plate 2 and the static conducting lower sealing plate 3 are made of carbon black static conducting plastics. The feed hopper 22 is fixedly mounted on the upper valve casing 16 and communicated with the first blanking hole 19 of the upper valve casing 16, the discharge hopper 23 is fixedly mounted on the lower valve casing 17 and communicated with the third blanking hole 21 of the lower valve casing 17, and the sealing gasket 24 is tightly pressed between the upper valve casing 16 and the feed hopper 22.

When the explosion-proof static electricity conducting spherical crystal blanking control valve works, the motor 5 is controlled by a DCS or PLC control system in the prior art, when blanking is needed, the motor 5 is controlled to be started by the DCS or PLC control system, the motor 5 drives the screw rod 6 to rotate, the screw sleeve 9, the sliding seat 8 and the guide rod 10 are driven to move by the screw rod 6, the valve plate 1 is driven to move along the sliding groove 18 by the guide rod 10, and the opening degree of the valve plate 1 is adjusted. Carry out the electricity with DCS or PLC control system and the electron platform scale of weighing spherical crystal material and be connected, at spherical crystal material unloading in-process, when spherical crystal material weight on the electron platform scale closes on predetermined weight value, through motor 5 with valve 1 control at less aperture to reduce unloading speed, thereby improve the unloading precision. Because the static electricity conducting upper sealing plate 2 and the static electricity conducting lower sealing plate 3 are arranged at the upper side and the lower side of the valve plate 1, the valve plate 1 can be effectively prevented from generating static electricity when moving.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. The utility model provides an explosion-proof static spherical crystal unloading control valve that leads, its characterized in that, includes valve body, valve plate (1), leads static upper seal plate (2), leads static lower seal plate (3) and actuating mechanism, lead static upper seal plate (2) and lead static lower seal plate (3) fixed mounting in the valve body, valve plate (1) activity is inserted and is established in the valve body, leads static upper seal plate (2) and leads static lower seal plate (3) and is located the upper and lower both sides of valve plate (1) respectively, actuating mechanism installs on the valve body, and actuating mechanism is connected with valve plate (1).

2. The discharging control valve for the explosion-proof static-conducting spherical crystal according to claim 1, characterized in that the actuating mechanism comprises a casing (4), a motor (5), a screw rod (6), a guide sleeve (7), a slide seat (8), a screw sleeve (9), a guide rod (10) and a proximity switch (11), the casing (4) is fixedly connected with the valve body, the guide sleeve (7) is fixedly installed in the casing (4), the guide rod (10) is movably arranged in the guide sleeve (7) in a penetrating manner, one end of the guide rod (10) is fixedly connected with the slide seat (8), the other end is fixedly connected with the valve plate (1), the screw sleeve (9) is fixedly installed on the slide seat (8), the screw rod (6) is movably installed in the casing (4) through a bearing (25) and is in threaded connection with the screw sleeve (9), the motor (5) is fixedly installed on the casing (4) and is in transmission connection with the screw rod (6) through a coupler (12), the proximity switch (11) is fixedly installed in the machine shell (4), the sliding seat (8) is provided with an induction block (13) corresponding to the proximity switch (11), the proximity switch (11) is electrically connected with the motor (5), and the top and the bottom of the machine shell (4) are respectively provided with an upper sealing plate (14) and a lower sealing plate (15).

3. The baiting control valve of an explosion-proof static-conducting spherical crystal according to claim 1, characterized in that the valve body comprises an upper valve casing (16) and a lower valve casing (17), the upper valve casing (16) is fixedly connected with the lower valve casing (17), the static-conducting upper sealing plate (2) and the static-conducting lower sealing plate (3) are fixedly installed between the upper valve casing (16) and the lower valve casing (17), a chute (18) is opened at the bottom of the static-conducting upper sealing plate (2), the static-conducting lower sealing plate (3) is located below the chute (18) of the static-conducting upper sealing plate (2), the valve plate (1) is movably inserted in the chute (18) of the static-conducting upper sealing plate (2), and the upper valve casing (16), the static-conducting upper sealing plate (2) and the lower valve casing (17) are respectively opened with a first baiting hole (19), a second baiting hole (20) and a third baiting hole (21), the second blanking hole (20) on the static conductive upper sealing plate (2) is communicated with the chute (18).

4. The blanking control valve for the explosion-proof electrostatic-conducting spherical crystal as claimed in claim 3, further comprising a feeding hopper (22), a discharging hopper (23) and a sealing gasket (24), wherein the feeding hopper (22) is fixedly installed on the upper valve casing (16) and is communicated with the first discharging hole (19) of the upper valve casing (16), the discharging hopper (23) is fixedly installed on the lower valve casing (17) and is communicated with the third discharging hole (21) of the lower valve casing (17), and the sealing gasket (24) is tightly pressed between the upper valve casing (16) and the feeding hopper (22).

5. The discharging control valve for spherical crystals with explosion-proof and static electricity conducting functions as claimed in claim 1, characterized in that the static electricity conducting upper sealing plate (2) and the static electricity conducting lower sealing plate (3) are made of carbon black static electricity conducting plastic.

6. The discharging control valve of spherical crystal with explosion-proof and static electricity conducting functions as claimed in claim 2, characterized in that the motor (5) is an explosion-proof servo motor and the proximity switch (11) is an explosion-proof proximity switch.

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