CN211259671U - Blanking valve for powder - Google Patents
Blanking valve for powder Download PDFInfo
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- CN211259671U CN211259671U CN201921772213.0U CN201921772213U CN211259671U CN 211259671 U CN211259671 U CN 211259671U CN 201921772213 U CN201921772213 U CN 201921772213U CN 211259671 U CN211259671 U CN 211259671U
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- valve
- powder
- blanking
- shutoff board
- compressed air
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Abstract
The utility model relates to a blanking valve for powder, belonging to the field of cement production devices, comprising a valve shell connected on a blanking pipeline, wherein at least two plugging plates are arranged in the valve shell, the middle part of each plugging plate is provided with a rotating shaft, one end of each rotating shaft extends to the outside of the valve shell, one side of the valve shell is fixedly provided with a supporting frame, and the supporting frame is provided with a driving mechanism for driving the rotating shaft to rotate; the utility model has the advantages of be convenient for open and close in order to reduce artifical intensity of labour.
Description
Technical Field
The utility model belongs to the technical field of the cement manufacture technique and specifically relates to a unloading valve of powder is related to.
Background
At present, cement is multi-component artificial mineral powder, which is mixed with water to form plastic colloid, which can be hardened in air and water, and can bind sand, stone and other materials into a whole with certain strength. During the production of cement, most raw materials, such as limestone, clay, iron ore, coal, etc., are crushed. Therefore, the crushing of raw materials plays an important role in the material crushing of cement plants, and various raw materials need to be crushed into proper powder, and then different powder is uniformly mixed, so that a good foundation is laid for the manufacture of cement. In the process of conveying the powder to the mixing container, a blanking valve is needed to control the feeding amount of the powder.
The current Chinese patent with the publication number of CN204061948U discloses a powder gate valve for feeding, which has the technical scheme key points that: including last takeover, powder valve body and powder picture peg down, powder box body top is opened there is first through-hole, and open the bottom has the second through-hole, go up takeover intercommunication powder valve body top, lower takeover intercommunication powder valve body bottom, the powder valve body is a semi-enclosed box body to set up a switch baffle at the front end, the powder picture peg with the second through-hole cooperatees, powder picture peg top sets up 4 fixed recess powder valve body top relevant position sets up set screw. The design of the gate valve can prevent powder from flowing back to the feeding pipe, facilitate the cleaning of valve blockage, improve the feeding efficiency and reduce the cleaning difficulty.
However, it has disadvantages in that: above-mentioned technical scheme is when the switch valve, all need the staff to open the switch baffle earlier, then installs or dismantles the powder picture peg, and the operation is very loaded down with trivial details, and artifical intensity of labour is great.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a unloading valve of powder has and is convenient for open and close in order to reduce artifical intensity of labour's advantage.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a unloading valve of powder, is including connecting the valve housing on unloading pipeline, be provided with two piece at least shutoff boards in the valve housing, every the middle part of shutoff board all is provided with the pivot, the one end of pivot extends to the outside of valve housing, the fixed support frame that is provided with in one side of valve housing, install drive pivot pivoted actuating mechanism on the support frame.
Through adopting above-mentioned technical scheme, the shutoff board that is located the top is reserve valve plate, be in normally open state under the normal condition, just close the shutoff board of top when the shutoff board that is located the below need overhaul, in the feeding process, two shutoff boards all are in the open mode, the powder can normally circulate, when needs stop the unloading, start actuating mechanism, the drive pivot rotates, the shutoff board that will be located the below is closed, hold back the powder, compare and open switch baffle earlier in prior art through the manual work, then install or dismantle the powder picture peg, and the work efficiency is improved.
The utility model discloses further set up to: the driving mechanism comprises a cylinder which is rotatably arranged on the supporting frame, an output shaft of the cylinder is connected with a driving block, a rotating sheet is sleeved on the rotating shaft, and one end, far away from the rotating shaft, of the rotating sheet is rotatably connected with the driving block.
Through adopting above-mentioned technical scheme, the output shaft through the cylinder drives the drive block and moves forward, and the one end of keeping away from the pivot with the rotor plate promotes forward to make the pivot take place to rotate, drive the shutoff board when the pivot rotates and rotate, when the shutoff board rotated to the horizontality, the powder was unable to pass through, had made things convenient for the drive to the shutoff board through setting up actuating mechanism.
The utility model discloses further set up to: the rotating shaft is provided with an external spline, and the rotating sheet is provided with a spline groove for the external spline to pass through.
Through adopting above-mentioned technical scheme, pass through external splines with pivot and rotor plate and be connected, improved hookup location's intensity to the stability of connecting has been improved.
The utility model discloses further set up to: the valve comprises a valve shell, wherein the valve shell is provided with a sealing plate, the sealing plate is arranged on the inner wall of the valve shell, the sealing plate is arranged on the two sides of the sealing plate, the sealing plate rotates to a horizontal position, the protruding strip is arranged above the sealing plate, and the protruding strip is arranged below the sealing plate.
Through adopting above-mentioned technical scheme, through setting up the sand grip in the both sides of shutoff board, when the shutoff board rotated to the horizontality, the sand grip of both sides respectively with the marginal looks butt of the upper and lower two faces of shutoff board to reduce the clearance between shutoff board and the valve housing lateral wall, made the powder be difficult for passing through in the clearance.
The utility model discloses further set up to: and flexible gaskets are arranged on one sides of the convex strips, which are close to the plugging plates, on two sides, and the flexible gaskets are attached to the plugging plates.
Through adopting above-mentioned technical scheme, through setting up flexible gasket in the one side that the sand grip is close to the shutoff board, when the shutoff board rotates to the horizontality, take place to support with flexible gasket and press to further reduce the clearance between shutoff board and the sand grip.
The utility model discloses further set up to: the valve comprises a valve shell, and is characterized in that a compressed air flow-assisting interface is arranged on one side of the valve shell and communicated with the valve shell, a ball valve is arranged on the compressed air flow-assisting interface, and a flexible plastic pipe is arranged at one end, far away from the valve shell, of the compressed air flow-assisting interface.
By adopting the technical scheme, the compressed air flow aiding interface is arranged on one side of the valve shell, the compressed air is connected with the flexible plastic pipe, the ball valve is opened, the compressed air is introduced into the valve shell, the air pressure in the valve shell is improved, the flowability of powder is improved, and the blanking is smoother.
The utility model discloses further set up to: the lowest point of the compressed air flow-assisting interface is equal to the height of the upper surface of the plugging plate.
By adopting the technical scheme, the lowest point of the compressed air flow-assisting interface is set to be equal to the height of the upper surface of the plugging plate, and the residual powder on the plugging plate is cleaned in the process of introducing compressed air, so that the powder accumulation on the plugging plate is avoided.
The utility model discloses further set up to: the upper end and the lower end of the valve shell are both provided with connecting plates, the connecting plates are connected with the blanking pipelines at the upper side and the lower side through connecting bolts, and a sealing gasket is arranged between the connecting plates and the blanking pipelines in a cushioning mode.
By adopting the technical scheme, the upper end and the lower end of the valve shell are provided with the connecting plates and are connected with the blanking pipelines at the upper side and the lower side through the connecting bolts, so that the valve shell is convenient to mount and dismount; by arranging the sealing gasket between the connecting plate and the blanking pipeline, the sealing performance of the whole structure is improved, so that the powder is prevented from leaking from the joint to a certain extent.
To sum up, the utility model discloses following beneficial effect has: the utility model discloses a set up the support frame in one side of valve housing to at the last actuating mechanism of installing of support frame, realize the drive to the shutoff board, thereby realize holding back to the powder, compare in the manual work and open the switch baffle earlier, then install or dismantle the powder picture peg, improved work efficiency.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of section A of FIG. 1;
fig. 3 is an internal structural schematic diagram of a valve housing according to an embodiment of the present invention.
Reference numerals: 1. a valve housing; 11. a convex strip; 12. a flexible gasket; 13. a connecting plate; 131. a connecting bolt; 2. a plugging plate; 21. a rotating shaft; 211. a rotating sheet; 212. an external spline; 3. a support frame; 4. a drive mechanism; 41. a cylinder; 42. a drive block; 5. a compressed air flow-aid interface; 51. a ball valve; 52. a flexible plastic tube; 6. a gasket seal.
Detailed Description
The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1, a powder blanking valve comprises a valve shell 1 connected to a blanking pipeline, wherein connecting plates 13 are arranged at the upper end and the lower end of the valve shell 1, and the connecting plates 13 are connected with the blanking pipeline at the upper side and the lower side through connecting bolts 131, so that the valve shell 1 is convenient to mount and dismount; a sealing gasket 6 is arranged between the connecting plate 13 and the blanking pipeline in a cushioning mode, so that the sealing performance of the whole structure is improved.
As shown in fig. 1 and 3, two plugging plates 2 are arranged in a valve housing 1, convex strips 11 are arranged on the inner wall of the valve housing 1 and on two sides of each plugging plate 2, when the plugging plates 2 rotate to a horizontal position, one convex strip 11 is arranged above the plugging plate 2, the other convex strip 11 is arranged below the plugging plate 2, and the convex strips 11 on two sides are respectively abutted with the edges of the upper surface and the lower surface of the plugging plate 2, so that the gap between the plugging plate 2 and the side wall of the valve housing 1 is reduced, and powder is not easy to pass through the gap; one side that the sand grip 11 of both sides is close to shutoff board 2 all is provided with flexible gasket 12, and flexible gasket 12 laminates with shutoff board 2 mutually, when shutoff board 2 rotated to the horizontality, takes place to support with flexible gasket 12 and presses to further reduce the clearance between shutoff board 2 and the sand grip 11.
As shown in fig. 1 and 2, the middle part of each plugging plate 2 is provided with a rotating shaft 21, one end of the rotating shaft 21 extends to the outside of the valve shell 1, one side of the valve shell 1 is fixedly provided with a support frame 3, the support frame 3 is provided with a driving mechanism 4 for driving the rotating shaft 21 to rotate, the plugging plate 2 positioned above is a standby valve plate, the plugging plate is normally in a normally open state, the plugging plate 2 positioned above is closed when the plugging plate 2 positioned below needs to be overhauled, in the feeding process, the two plugging plates 2 are both in an open state, powder can be normally circulated, after the feeding process is finished, the plugging plate 2 positioned below is closed, and the powder is intercepted.
As shown in fig. 1 and 2, the driving mechanism 4 includes a cylinder 41 rotatably disposed on the supporting frame 3, an output shaft of the cylinder 41 is connected to a driving block 42, an external spline 212 is disposed on the rotating shaft 21, a spline groove for the external spline 212 to pass through is disposed on the rotating sheet 211 and sleeved on the rotating shaft 21, one end of the rotating sheet 211, which is far away from the rotating shaft 21, is rotatably connected to the driving block 42, the rotating shaft 21 is connected to the rotating sheet 211 through the external spline 212, so that the strength of the connection position is improved, and the connection stability is improved.
After the feeding process is finished, the air cylinder 41 is started, the output shaft of the air cylinder 41 drives the driving block 42 to move forwards, one end, far away from the rotating shaft 21, of the rotating sheet 211 is pushed forwards, so that the rotating shaft 21 rotates, the rotating shaft 21 drives the plugging plate 2 to rotate when rotating, and when the plugging plate 2 rotates to a horizontal state, powder cannot pass through.
As shown in fig. 1, a compressed air flow-assisting interface 5 is arranged on one side of a valve housing 1, the compressed air flow-assisting interface 5 is communicated with the valve housing 1, a ball valve 51 is arranged on the compressed air flow-assisting interface 5, a flexible plastic pipe 52 is arranged at one end of the compressed air flow-assisting interface 5, which is far away from the valve housing 1, the compressed air is connected with the flexible plastic pipe 52, the ball valve 51 is opened, the compressed air is introduced into the valve housing 1, the air pressure in the valve housing 1 is increased, and therefore, the flowability of powder is increased, and the blanking is smoother. The lowest point of the compressed air flow-assisting interface 5 is equal to the height of the upper surface of the plugging plate 2, and in the process of introducing compressed air, the residual powder on the plugging plate 2 is cleaned, so that the powder accumulation on the plugging plate 2 is avoided.
The specific working process is as follows: in the feeding process, two shutoff boards 2 all are in the open mode, and the powder can normally circulate, when needs stop the unloading, starts actuating mechanism 4, and drive pivot 21 rotates, and shutoff board 2 that will be located the below closes, holds back the powder, compares in prior art and opens the switch baffle earlier through the manual work, then installs or dismantles the powder picture peg, has improved work efficiency.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a unloading valve of powder, is including connecting valve housing (1) on unloading pipeline, its characterized in that: be provided with two piece at least shutoff boards (2) in valve casing (1), every the middle part of shutoff board (2) all is provided with pivot (21), the one end of pivot (21) extends to the outside of valve casing (1), one side of valve casing (1) is fixed and is provided with support frame (3), install drive pivot (21) pivoted actuating mechanism (4) on support frame (3).
2. The blanking valve of powder lot of claim 1, wherein: actuating mechanism (4) are including rotating cylinder (41) that sets up on support frame (3), the output shaft of cylinder (41) is connected with drive block (42), the cover is equipped with rotor plate (211) on pivot (21), the one end that pivot (21) were kept away from in rotor plate (211) is rotated with drive block (42) and is connected.
3. The blanking valve of powder lot of claim 2, wherein: the rotating shaft (21) is provided with an external spline (212), and the rotating sheet (211) is provided with a spline groove for the external spline (212) to pass through.
4. The blanking valve of powder lot of claim 1, wherein: the both sides that just are located shutoff board (2) on the inner wall of valve housing (1) all are provided with sand grip (11), when shutoff board (2) rotated to horizontal position, one of them sand grip (11) are located the top of shutoff board (2), another sand grip (11) are located the below of shutoff board (2).
5. The powder blanking valve of claim 4, wherein: the side of both sides sand grip (11) near shutoff board (2) all is provided with flexible gasket (12), flexible gasket (12) and shutoff board (2) are laminated mutually.
6. The blanking valve of powder lot of claim 1, wherein: one side of the valve shell (1) is provided with a compressed air flow-assisting interface (5), the compressed air flow-assisting interface (5) is communicated with the valve shell (1), a ball valve (51) is arranged on the compressed air flow-assisting interface (5), and one end, far away from the valve shell (1), of the compressed air flow-assisting interface (5) is provided with a flexible plastic pipe (52).
7. The powder blanking valve of claim 6, wherein: the lowest point of the compressed air flow-assisting interface (5) is equal to the height of the upper surface of the plugging plate (2).
8. The blanking valve of powder lot of claim 1, wherein: the valve is characterized in that connecting plates (13) are arranged at the upper end and the lower end of the valve shell (1), the connecting plates (13) are connected with blanking pipelines at the upper side and the lower side through connecting bolts (131), and sealing gaskets (6) are arranged between the connecting plates (13) and the blanking pipelines in a cushioning mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921772213.0U CN211259671U (en) | 2019-10-21 | 2019-10-21 | Blanking valve for powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921772213.0U CN211259671U (en) | 2019-10-21 | 2019-10-21 | Blanking valve for powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211259671U true CN211259671U (en) | 2020-08-14 |
Family
ID=71953726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921772213.0U Active CN211259671U (en) | 2019-10-21 | 2019-10-21 | Blanking valve for powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211259671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946075A (en) * | 2020-08-26 | 2020-11-17 | 林东东 | Pipe laying and paying-off device for water conservancy construction |
-
2019
- 2019-10-21 CN CN201921772213.0U patent/CN211259671U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946075A (en) * | 2020-08-26 | 2020-11-17 | 林东东 | Pipe laying and paying-off device for water conservancy construction |
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