CN217603365U

CN217603365U - Powder flap valve

Info

Publication number: CN217603365U
Application number: CN202221331365.9U
Authority: CN
Inventors: 姚绍民; 张爱杰; 郭国川; 胡亚男; 周伟
Original assignee: Langfang D&g Machinery Technology Co ltd
Current assignee: Langfang D&g Machinery Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-10-18
Anticipated expiration: 2032-05-31

Abstract

The application provides a powder flap valve which comprises a flap valve shell, wherein a first cavity is formed in the flap valve shell, the top of the first cavity is provided with a feeding hole, and the two sides of the bottom of the first cavity are provided with a first discharging hole and a second discharging hole; the material distributing part is arranged in the first cavity and comprises vertical plates distributed in the first cavity along a first direction, wherein the vertical plates are opposite to two opposite inner walls of the first cavity; the material distributing part is provided with a first working state and a second working state; when the material distributing part is in the first working state, the material distributing part and the flap valve shell form a first channel; the feed inlet and the first channel are communicated with the first discharge outlet; divide the material part to be in during the second operating condition, divide the material part with flap valve casing forms the second passageway, and feed inlet, second passageway communicate with each other with the second discharge gate, and this application is through setting up the branch material part inside turning over the flap valve casing for the material slides out in the direct landing feeding part of feed inlet department, not with turning over flap valve casing lateral wall direct contact, thereby has avoided the phenomenon of leaking the powder.

Description

Powder flap valve

Technical Field

The application relates to the technical field of engineering machinery, in particular to the technical field of a powder flap valve.

Background

Asphalt concrete mixing equipment is important equipment in road construction engineering machinery, and the functions realized by the equipment can be divided into four systems: the device comprises a stone conveying and metering system, a powder conveying and metering system, an asphalt conveying and metering system, an additive conveying and metering system, a gas circuit system and an electric control system.

The powder conveying and metering system has the functions of conveying powder (stone powder, recovered powder and the like) to a powder cavity for storing the powder, then conveying the powder to a powder scale by a screw according to the proportion for weighing, and discharging the powder to a stirrer for stirring after metering. A powder flap valve is an important part used in the powder conveying process and is arranged at an outlet of a powder hoister, stone powder is switched through the flap position of the powder flap valve to realize the switching of stone powder channels, and the stone powder can be switched into a metering system for use or into a powder bin for storage. Powder material flap valve on the existing market can appear leaking the phenomenon of powder in the use to make the power of lifting machine increase, sometimes can reduce normal production supply even, influence production efficiency, the powder leaks and still causes the pollution to the air easily in the air, some producers can carry out the precision finishing to the part that the powder leaked in order to reach better sealed effect, though can solve the problem, but improved the cost of manufacture.

Disclosure of Invention

The application aims at the problems and provides a powder flap valve.

The application provides a powder flap valve which comprises a flap valve shell, wherein a first cavity is formed in the flap valve shell, and a feeding hole is formed in the top of the first cavity; a first discharge hole and a second discharge hole are respectively formed in two sides of the bottom of the first cavity; the material distributing piece is rotatably arranged in the first cavity and comprises vertical plates distributed on the opposite surfaces of the two opposite inner walls of the first cavity along a first direction; the material distribution piece has a first working state and a second working state; when the material distribution piece is in the first working state, the material distribution piece and the flap valve shell jointly form a first channel; the feed inlet and the first channel are communicated with the first discharge outlet; the first channel is provided with a first valve sealing plate which is connected with the two vertical plates in a sealing manner; when the distributing part is in the second working state, the distributing part and the flap valve shell jointly form a second channel, and the feed inlet and the second channel are communicated with the second discharge outlet; the second channel is provided with a second valve sealing plate which is connected with the two vertical plates in a sealing mode.

According to the technical scheme provided by the embodiment of the application, the opposite surfaces of the first valve sealing plate and the second valve sealing plate are fixedly connected to form the valve sealing plate.

According to the technical scheme provided by the embodiment of the application, the material distribution device further comprises a driving mechanism, the driving mechanism is connected with the material distribution piece, and the driving mechanism is used for driving the material distribution piece to be switched between the first working state and the second working state.

According to the technical scheme provided by the embodiment of the application, the driving mechanism comprises a telescopic driving device arranged on the outer wall of the flap valve shell, the telescopic end of the telescopic driving device is rotatably connected with a connecting rod, and a rotating shaft is arranged at one end, far away from the feeding hole, of the valve sealing plate; one end of the rotating shaft penetrates through the flap valve shell and is connected with one end, far away from the telescopic driving device, of the connecting rod.

According to the technical scheme provided by the embodiment of the application, the inner wall of the feeding hole is provided with a baffle plate; the shielding plate extends towards the interior of the feed port.

According to the technical scheme provided by the embodiment of the application, the discharge end of the feeding hole is provided with a limiting assembly used for limiting the rotation range of the material distributing piece.

According to the technical scheme provided by the embodiment of the application, the limiting assembly comprises two limiting pieces; the valve sealing plate rotates between the two limiting pieces.

Compared with the prior art, the beneficial effect of this application: the material distributing part is rotatably arranged in a first cavity in the turnover plate valve shell, the top end of the first cavity is provided with a feeding hole, two sides of the bottom of the first cavity are respectively provided with a first discharging hole and a second discharging hole, the material distributing part comprises vertical plates which are distributed in the first cavity along a first direction and are opposite to the inner wall of the first cavity, the material distributing part is provided with a first working state and a second working state, when the material distributing part is in the first working state, the material distributing part and the turnover plate valve shell form a first channel, the feeding hole, the first channel and the first discharging hole are communicated, the first channel is provided with a first valve sealing plate which is tightly connected with the two vertical plates, when the material distributing part is in the second working state, the material distributing part and the turnover plate valve shell form a second channel, the feeding hole, the second channel and the second discharging hole are communicated, the second channel is provided with a second valve sealing plate which is tightly connected with the two vertical plates, when the material distributing part is in a first working state, the material slides into the first channel from the feeding port and then slides into the first discharging port from the first channel, and then slides into the powder bin from the first discharging port for storage, when the material distributing part is in a second working state, the material slides into the second channel from the feeding port and then slides into the second discharging port from the second channel, so that the material enters the metering system for use, the two vertical plates are arranged in the flap valve housing, and the first seal valve plate and the second seal valve plate which are respectively connected with the two vertical plates in a sealing way form corresponding channels with the housing, so that the material does not directly contact with the surface of the flap valve housing in the sliding process, the material coming in from the feeding port directly enters the corresponding channels in the material distributing part and then falls into the powder bin for storage or the metering system for use through the corresponding channels, the powder is prevented from contacting with the shell of the flap valve, so that the phenomenon of material leakage in the blanking process of the material is avoided.

Drawings

FIG. 1 is a cross-sectional view of a powder flap valve according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a powder flap valve provided in an embodiment of the present application;

fig. 3 is a schematic structural diagram of a material distributing member of the powder material flap valve provided in the embodiment of the present application.

The text labels in the figures are represented as:

1. a flap valve housing; 2. a vertical plate; 3. a valve sealing plate; 5. a telescopic driving device; 7. a feed inlet; 8. a first discharge port; 9. a second discharge port; 10. a rotating shaft; 11. a connecting rod; 12. a shielding plate; 14. a limiting sheet.

Detailed Description

The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.

Referring to fig. 1 to fig. 3, the present embodiment provides a powder material flap valve device, including:

the device comprises a flap valve shell 1, wherein a first cavity is formed in the flap valve shell 1, and the top of the first cavity is provided with a feeding hole 7; a first discharge hole 8 and a second discharge hole 9 are respectively formed in two sides of the bottom of the first cavity;

the material distributing piece is rotatably arranged in the first cavity and comprises vertical plates 2 distributed on opposite surfaces of two opposite inner walls of the first cavity along a first direction; the material distribution piece is provided with a first working state and a second working state;

when the material distribution piece is in the first working state, the material distribution piece and the flap valve housing 1 jointly form a first channel; the feed inlet 7 and the first channel are communicated with the first discharge outlet 8; the first channel is provided with a first valve sealing plate which is hermetically connected with the two vertical plates 2;

when the material distribution piece is in the second working state, the material distribution piece and the flap valve housing 1 form a second channel together, and the feed inlet 7 and the second channel are communicated with the second discharge outlet 9; the second channel is provided with a second valve sealing plate which is connected with the two vertical plates 2 in a sealing way.

Specifically, in this embodiment, the flap valve housing 1 is a three-way valve structure, the material of the flap valve housing 1 may be determined by the property of the material itself, a first cavity is formed inside the flap valve housing 1, a feed port is disposed at the top of the first cavity, a first discharge port 8 and a second discharge port 9 are respectively disposed at the bottom of the first cavity, end surfaces of the first discharge port 8 and the second discharge port 9 are rectangular or square, the flap valve housing 1 is inverted Y, and the first discharge port 8 and the second discharge port 9 are respectively arranged at two sides of the central axis of the feed port 7; the powder metering device is characterized in that a material distributing part is arranged in the first cavity and used for distributing materials entering from the feeding hole 7 so that the materials flow into the powder bin to be stored or enter the metering system to be used, the material distributing part comprises vertical plates 2 which are distributed on opposite surfaces of two opposite inner walls in the first cavity along a first direction, the two vertical plates 2 are arranged in parallel, and the first direction is the perpendicular direction of the two vertical plates 2; the vertical plate 2 is in a fan-shaped shape, the size of the vertical plate 2 is related to the size of a feed port 7 of the flap valve shell 1, one end of the vertical plate 2 is close to the feed port 7, and one end of the vertical plate 2 is designed to be in a fan-shaped shape so as to facilitate the movement of the distributing part in the first cavity.

The material distributing part is provided with a first working state and a second working state, when the material distributing part is in the first working state, the material distributing part and the flap valve housing 1 jointly form a first channel, the first channel comprises a first valve sealing plate located between the two vertical plates 2, the first valve sealing plate is hermetically connected with the two vertical plates 2, for example, a welding mode can be used, at the moment, the feed port 7, the first channel and the first discharge port 8 are communicated with each other, the material enters the first channel from the feed port 7 of the flap valve housing 1, slides from the inside of the first channel to the bottom end of the first discharge port 8 and slides out of the first discharge port 8 to a powder bin for storing powder, when the material distributing part 2 is in the second working state, the material distributing part and the flap valve housing 1 jointly form a second channel, the second channel comprises a second valve sealing plate located between the two vertical plates 2, the second valve sealing plate is tightly connected with the two vertical plates 2, the feed port 7 and the flap valve housing 1 are communicated with each other through the second channel 9, and the second channel slides out of the second channel from the feed port 9 to the inside of the flap valve housing, and slides out of the second channel from the second discharge port 9, the second channel, and the second channel slides out of the second channel from the discharge port 9 to the discharge port 9.

In the use, send the material to feed inlet department, when turning over the inside branch material spare of board valve casing and being in first operating condition, the material gets into first passageway along the feed inlet, by first passageway roll-off to first discharge gate to enter into and store in the powder storehouse, when turning over the inside branch material spare of board valve casing and being in the second operating condition, lie in the feed inlet and enter into the second passageway this moment, by second passageway roll-off to second discharge gate, thereby enter into the measurement system and use.

This application is through having the branch material piece of riser 2 at 1 internally mounted of flap valve casing, make outside material enter into first passageway and second passageway inside in the material piece of direct gliding income after feed inlet 7, directly not contact with the lateral wall of flap valve casing 1, there is not riser 2 in the flap valve casing 1 inside in the past, only have a valve board 3, make the material when carrying to powder storehouse and metering system, partial powder can spill at the gap department that seals valve board 3 and flap valve casing 1 lateral wall, the branch material piece that has riser 2 that this application set up can make the material directly slide out along first passageway and the second passageway of branch material piece when gliding, and do not contact with flap valve casing 1 each other, thereby the emergence of the powder leakage condition has been avoided, and can not additionally increase the power of lifting machine, thereby can guarantee the production efficiency of normal production supply, also can reduce the cost of manufacture that other producers carried out precision finishing in order to prevent to leak the powder simultaneously.

Furthermore, the opposite surfaces of the first valve sealing plate and the second valve sealing plate are fixedly connected to form a valve sealing plate 3.

Specifically, in this embodiment, the first valve sealing plate and the second valve sealing plate are tightly connected to form the valve sealing plate 3, for example, they can be connected together by welding, in this embodiment, the valve sealing plate 3 is an integral structure, that is, the first valve sealing plate and the second valve sealing plate are the same plate, that is, the first channel and the second channel share the same plate; through adopting above-mentioned technical scheme, assurance that can be better seals the stability of valve plate 3 in the motion process, improves work efficiency.

Furthermore, the powder flap valve device also comprises a driving mechanism, the driving mechanism is connected with the material distribution piece, and the driving mechanism is used for driving the material distribution piece to be switched between the first working state and the second working state.

Specifically, the driving mechanism is used for providing power, and can drive the material distribution piece in the first working state to move to the second working state, and meanwhile, can drive the material distribution piece in the second working state to move to the first working state, so that the material distribution is realized.

Further, the driving mechanism comprises a telescopic driving device 5 installed on the outer wall of the flap valve housing 1, the telescopic end of the telescopic driving device 5 is rotatably connected with a connecting rod 11, and a rotating shaft 10 is arranged at one end, away from the feed port 7, of the valve closing plate 3; one end of the rotating shaft 10 penetrates through the flap valve shell 1 and is connected with one end, far away from the telescopic driving device 5, of the connecting rod 11.

Specifically, in this embodiment, actuating mechanism includes flexible drive arrangement 5, flexible drive arrangement 5 is fixed turn over board valve case 1's outer wall, for example through riveted mode, flexible drive arrangement 5 is compression cylinder, compression cylinder's flexible end and connecting rod 11 rotate and be connected turn over board valve case 1 inside and be provided with axis of rotation 10, the both ends of axis of rotation 10 all stretch out turn over the outside of board valve case 1 the outside of turning over board valve case 1 all is provided with the bearing frame, install the bearing on the bearing frame, realized axis of rotation 10 through setting up bearing frame and bearing with the rotation of turn over board valve case 1 is connected, the one end of axis of rotation 10 with connecting rod 11 is kept away from compression cylinder's one end fixed connection, axis of rotation 10 sets up the valve sealing plate 3 is kept away from the one end of feed inlet 7.

In the use, when opening compression cylinder, compression cylinder's flexible end can drive the connecting rod and move, and is relative, and the connecting rod can drive the axis of rotation and move to turn over the inside branch material spare of board valve casing and can switch between first operating condition and second operating condition, realize that the material gets into to store in the powder storehouse or measure in the measurement system and use.

Furthermore, a shielding plate 12 is arranged on the inner wall of the feed inlet 7; the baffle 12 extends towards the interior of the feed opening.

Specifically, in this embodiment, the inner wall of feed inlet 7 is provided with four angle steels, 2 homonymies of riser are provided with arc angle steel, and two sides set up straight shape angle steel in addition, and the angle steel includes vertical portion and lateral part, the lateral part forms shielding plate 12, vertical portion fixes the inner wall of feed inlet 7, vertical portion with can adopt the mode of bolt to fix between the inner wall, shielding plate 12 orientation feed inlet 7 is inside to be extended, and the length of extension is greater than riser 2 with the width in gap between the flap valve casing 1 for the material can not spill in this gap at the in-process that glides, the radian of arc angle steel with the radian of riser 2 is unanimous, can effectually avoid the gap between the two, makes the material can smooth the slip into first passageway or inside the second passageway, via first passageway and second passageway, fall to first discharge gate 8 with second discharge gate 9 and enter into and store or use in the feed bin, avoided the material from two gap between riser 2 with the flap valve casing 1 lateral wall spills.

Furthermore, the discharge end of the feed inlet 7 is provided with a limiting component for limiting the rotation range of the material distributing part.

Specifically, in this embodiment, when the material distribution member moves to the first working state, the limiting assembly stops the moving material distribution member, and when the material distribution member moves to the second working state, the limiting assembly stops the material distribution member in the second working state, so as to switch between the first working state and the second working state.

Further, the limiting component comprises two limiting sheets 14; the valve closing plate 3 can rotate between the two limiting pieces 14.

Specifically, in this embodiment, spacing subassembly is including setting up two spacing pieces 14 in the second direction, the second direction perpendicular to seal valve plate 3's axis of rotation direction, two spacing piece 14 has first end and second end, spacing piece 14 first end fixed connection be in the discharge end of feed inlet 7 can use the welded mode, can guarantee its stability in the use, the second end orientation divide material spare inside, seal valve plate 3 can be two rotate between spacing piece 14.

The embodiment of the application provides a powder flap valve's theory of operation: the powder material flap valve is provided with a feeding hole and two discharge holes, materials enter a material distributing part arranged inside a first cavity in a flap valve shell from the feeding hole, the material distributing part and the outer wall of the flap valve shell form a first channel and a second channel respectively, the material distributing part has a first working state and a second working state, when the material distributing part is in the first working state, the feeding hole is communicated with the first discharge hole, the materials located at the feeding hole enter the first channel and slide to the first discharge hole, the materials enter a powder bin to be stored, when the material distributing part is in the second working state, the feeding hole is communicated with the second discharge hole, the materials located at the feeding hole enter the second channel and slide to the second discharge hole, the materials enter a metering system to be used, and distribution of the materials with different requirements is achieved.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing are only preferred embodiments of the present application and it should be noted that there are no more than a few objective specific configurations due to the limited nature of the words that may be employed, and that modifications, decorations, or changes may be made by those skilled in the art without departing from the principles of the present invention or the technical features described above may be combined in any suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.

Claims

1. The utility model provides a powder flap valve device which characterized in that includes:

the automatic feeding device comprises a flap valve shell (1), wherein a first cavity is formed in the flap valve shell (1), and a feeding hole (7) is formed in the top of the first cavity; a first discharge hole (8) and a second discharge hole (9) are respectively formed in two sides of the bottom of the first cavity;

the material distributing piece is rotatably arranged in the first cavity and comprises vertical plates (2) distributed on opposite surfaces of two opposite inner walls of the first cavity along a first direction; the material distribution piece is provided with a first working state and a second working state;

when the material distribution piece is in the first working state, the material distribution piece and the flap valve shell (1) jointly form a first channel; the feed inlet (7) and the first channel are communicated with the first discharge hole (8); the first channel is provided with a first valve sealing plate which is connected with the two vertical plates (2) in a sealing way;

when the distributing part is in the second working state, the distributing part and the flap valve shell (1) jointly form a second channel, and the feeding hole (7) and the second channel are communicated with the second discharging hole (9); the second channel is provided with a second valve sealing plate which is connected with the two vertical plates (2) in a sealing manner.

2. The powder flap valve device according to claim 1, characterized in that the opposite surfaces of the first shutter plate and the second shutter plate are fixedly connected to form a shutter plate (3).

3. The powder flap valve device according to claim 1, further comprising a driving mechanism, wherein the driving mechanism is connected with the distributing member, and the driving mechanism is used for driving the distributing member to switch between the first working state and the second working state.

4. The powder material flap valve device according to claim 3, wherein the driving mechanism comprises a telescopic driving device (5) arranged on the outer wall of the flap valve shell (1), the telescopic end of the telescopic driving device (5) is rotatably connected with a connecting rod (11), and one end of the valve closing plate (3) far away from the feeding hole (7) is provided with a rotating shaft (10); one end of the rotating shaft (10) penetrates through the flap valve shell (1) and is connected with one end, far away from the telescopic driving device (5), of the connecting rod (11).

5. The powder flap valve device according to claim 1, characterized in that the inner wall of the feed inlet (7) is provided with a baffle plate (12); the shielding plate (12) extends towards the interior of the feed opening (7).

6. The powder material flap valve device according to claim 1, characterized in that the discharge end of the feed inlet (7) is provided with a limiting component for limiting the rotation range of the material distributing member.

7. The powder flap valve device according to claim 6, characterized in that the limiting component comprises two limiting pieces (14); the valve sealing plate (3) can rotate between the two limiting pieces (14).