CN113958717A - Anti-blocking double-pneumatic flap valve - Google Patents

Abstract

The invention belongs to the technical field of flap valves, and aims to solve the problems that the existing flap valve does not have an anti-blocking function, the smooth unloading process is difficult to ensure, the existing flap valve is generally closed or opened by manpower, and the control process is time-consuming and labor-consuming; according to the invention, the opening and closing of the turning plate are pneumatically controlled by arranging the pneumatic control assembly, the operation is simple, the use is convenient, the time and the labor are saved, the operation efficiency is obviously improved, the situation of opening blockage during discharging can be effectively prevented by arranging the first anti-blocking assembly and the second anti-blocking assembly, the smooth operation of the discharging process is ensured, and the discharging efficiency is improved.

Description

Anti-blocking double-pneumatic flap valve

Technical Field

The invention relates to the technical field of flap valves, in particular to an anti-blocking double-pneumatic flap valve.

Background

The flap valve is used as an ash bucket unloading device of various equipment and a feeding and unloading device of various mills, dryers, storage bins and other equipment, and prevents wild wind from blowing in so as to finish the conveying of materials, and mainly comprises a single-door flap valve and a double-door flap valve, wherein the double-layer flap valve mainly utilizes the opening and closing of an upper valve and a lower valve at different times to ensure that a layer of valve plate is always in a closed and isolated state in the middle of the equipment so as to prevent air channeling, and if the double-layer flap valve is used for positive pressure conveying, a pneumatic double-layer air locking valve can also play the roles of balancing and pressurizing, so that the equipment can continuously pulsate and feed and has the air locking function so as to meet the requirement of pneumatic conveying powder materials;

when the existing flap valve is used, the flap is opened to discharge materials, but the existing flap valve does not have an anti-blocking function, the situation that the discharging opening is blocked cannot be effectively prevented, the smooth proceeding of the discharging process is difficult to guarantee, and when the opening is blocked, the opening needs to be dredged manually through tools, so that the existing flap valve is troublesome, the smooth proceeding of the discharging process is further influenced, the discharging efficiency is reduced, the flap is generally closed or opened manually, the control process is time-consuming and labor-consuming, the operation efficiency is not favorably improved, and the improvement is needed;

in view of the above technical drawbacks, a solution is proposed.

Disclosure of Invention

The invention aims to provide an anti-blocking double-pneumatic flap valve, which is based on the anti-blocking double-pneumatic flap valve, the opening and closing of a flap plate are pneumatically controlled by arranging a pneumatic control assembly, the operation is simple, the use is convenient, the time and the labor are saved, the operation efficiency is obviously improved, the situation of opening blocking during discharging can be effectively prevented by arranging a first anti-blocking assembly and a second anti-blocking assembly, the smooth proceeding of the discharging process is ensured, the discharging efficiency is improved, the problem that the existing flap valve does not have an anti-blocking function, the situation of opening blocking during discharging can not be effectively prevented, the smooth proceeding of the discharging process is difficult to ensure, and when the opening is blocked, the opening is dredged by a tool manually, so that the operation is troublesome, the smooth proceeding of the discharging process is further influenced, the discharging efficiency is reduced, and the flap valve is generally closed or opened manually, the control process is time-consuming and labor-consuming, the operation efficiency is not improved, and the problem to be improved is solved.

In order to achieve the purpose, the invention provides the following technical scheme:

the anti-blocking double-pneumatic flap valve comprises a valve body, a vertical hopper and a vertical partition plate, wherein the vertical hopper is vertically installed at the top of the valve body and communicated with the valve body;

the valve is characterized in that a first anti-blocking assembly is installed in the valve body, a second anti-blocking assembly is installed at a position, close to the bottom, of the vertical partition plate, the first anti-blocking assembly is located below the turning plate assembly, the second anti-blocking assembly is located above the turning plate assembly, a pneumatic control assembly is installed on the outer wall of the valve body, and the pneumatic control assembly is used for controlling the turning plate assembly to be opened and closed.

Furthermore, the turnover plate assembly comprises a turnover shaft, turnover plates, first connecting rods and push-pull rods, the turnover plates are rotatably installed at the bottom of the vertical hopper and are symmetrical about the vertical partition plate, two groups of turnover shafts are correspondingly arranged and are rotatably connected with the valve body through bearings, the push-pull rods are installed at the bottoms of the turnover plates, the first connecting rods are installed on the turnover shafts, and one ends, far away from the turnover shafts, of the first connecting rods are connected with the push-pull rods.

Furthermore, turn over and seted up the dashpot on the board, the top of turning over the board is equipped with the buffering guard plate, and installs the elastic ball of being connected with the buffering guard plate in the dashpot, the below of turning over the board is equipped with the fly leaf, the depression bar is installed towards one side of dashpot to the buffering guard plate, and the depression bar keeps away from the one end of buffering guard plate and is connected with the fly leaf, turn over the bottom of board and install first spring, and first spring is connected with the fly leaf.

Furthermore, the pneumatic control assembly comprises a horizontal rectangular block, a collecting chamber, a horizontal rectangular cavity, a first rectangular piston, a pushing rod, a second spring, a rack plate, a header pipe, an air blowing pipe and an air outlet pipe, wherein the horizontal rectangular block is fixedly arranged on the outer wall of the valve body through bolts, the collecting chamber and two groups of horizontal rectangular cavities are formed in the horizontal rectangular block, the two groups of horizontal rectangular cavities are positioned on two sides of the collecting chamber and communicated with the collecting chamber, the header pipe and the air outlet pipe which are communicated with the collecting chamber are arranged on the horizontal rectangular block, the air blowing pipe is arranged on the header pipe, and valves are arranged on the air outlet pipe and the air blowing pipe;

a first rectangular piston is slidably mounted in the horizontal rectangular cavity, a pushing rod is mounted on one side, far away from the collecting chamber, of the first rectangular piston, the pushing rod penetrates out of the horizontal rectangular cavity outwards and is connected with a rack plate, the turnover shaft penetrates out of the valve body outwards and is connected with a gear, and the rack plate is located above the gear and is in meshed connection with the gear; the second spring is sleeved on the peripheral surface of the pushing rod and is located in the horizontal rectangular cavity, and the second spring is connected with the first rectangular piston.

Furthermore, a manual control assembly is fixedly installed on the outer wall of the valve body through a bolt, the manual control assembly comprises a vertical rectangular block, a gas pipe, an exhaust pipe, a second rectangular piston, a threaded sleeve, a stud, an adjusting handle, a transmission rod and a vertical rectangular cavity, the vertical rectangular cavity is formed in the vertical rectangular block, the gas pipe and the exhaust pipe are installed at the top end of the vertical rectangular block, the other end of the gas pipe is communicated with the header pipe, the other end of the exhaust pipe is communicated with the outside, and valves are installed on the gas pipe and the exhaust pipe;

sliding mounting has second rectangle piston in the vertical rectangle chamber, and the bottom of second rectangle piston installs opening screw sleeve down, the bottom in vertical rectangle chamber is rotated through the bearing and is installed the double-screw bolt, the vertical setting of double-screw bolt and with screw sleeve threaded connection, rotate the transfer line that installs the level setting through the bearing on the vertical rectangle piece, install the regulation handle on the transfer line, and the transfer line passes through bevel gear and double-screw bolt meshing transmission and is connected.

Furthermore, the first anti-blocking assembly comprises a ball body, a reciprocating ejector rod, a movable rod, a second connecting rod, a third spring, a cavity, a first driving motor, a first driving shaft, an eccentric wheel and a movable block, wherein the second connecting rod is horizontally arranged in the valve body, the ball body is connected with the second connecting rod, and the cavity is formed in the ball body; a first driving motor is fixedly arranged in the ball body through a motor base, and a first driving shaft is arranged at the output end of the first driving motor;

the movable block is slidably arranged in the cavity, the eccentric wheel is arranged on the first driving shaft and positioned in the cavity, the eccentric wheel is positioned below the movable block and props against the movable block, a movable rod is arranged at the top of the movable block, the movable rod vertically penetrates out of the cavity upwards and is connected with a reciprocating ejector rod, and the top end of the reciprocating ejector rod is a tip end; the third spring is sleeved on the peripheral surface of the movable rod and is positioned in the cavity, and the third spring is connected with the movable block.

Further, the inner wall of valve body has electric telescopic handle through mount pad fixed mounting, the second connecting rod passes through spout and valve body sliding connection, and electric telescopic handle is vertical to be set up and be connected with the second connecting rod.

Further, the second prevents that stifled subassembly includes the dwang, prevents stifled pole, second driving motor and second drive shaft, there is second driving motor through motor cabinet fixed mounting in erecting the baffle, and second driving motor's output installs the second drive shaft, the both sides of erecting the baffle are rotated and are installed the dwang that the level set up, the outer peripheral face of dwang is installed and is prevented stifled pole, and the second drive shaft passes through bevel gear and dwang meshing transmission and be connected.

Furthermore, the one end that the dwang was kept away from to the anti-blocking pole is installed the second pointed tooth, the one side of preventing stifled pole perpendicular baffle dorsad is installed first pointed tooth.

Further, the use method of the flap valve comprises the following steps;

step one, opening a valve on an air outlet pipe, discharging compressed air in a collecting chamber from the air outlet pipe, enabling air pressure in the collecting chamber to be continuously reduced, closing the valve on the air outlet pipe after a certain time, pushing two groups of first rectangular pistons to move towards the direction close to the collecting chamber under the combined action of the resilience force of a second spring and the internal air pressure, pulling two groups of rack plates to move oppositely through two groups of pushing rods, driving corresponding gears to rotate when the rack plates move, enabling two groups of turnover shafts to rotate along with the rack plates, and finally pulling two groups of turnover plates through a first connecting rod and a push-pull rod to open the two groups of turnover plates, and discharging at the moment;

step two, the height of the reciprocating ejector rod is adjusted by extending or shortening the electric telescopic rod, a first driving motor is started, the first driving motor drives the eccentric wheel to rotate through a first driving shaft, when the long end of the eccentric wheel is in contact with the movable block, the reciprocating ejector rod rises to the highest position, when the short end of the eccentric wheel is in contact with the movable block, the reciprocating ejector rod descends to the lowest position under the effect of resilience force of a third spring, so that the reciprocating ejector rod can reciprocate in the vertical direction, and the reciprocating ejector rod can repeatedly smash the position between the two turning plates to prevent the opening from being blocked;

step three, starting a second driving motor, driving the rotating rods on the two sides to rotate through a second driving shaft by the second driving motor, driving the anti-blocking rods connected with the rotating rods to perform circumferential rotation in the vertical direction by the rotating rods, and continuously shifting the positions of the bottoms on the two sides of the vertical partition plate to further prevent the opening from being blocked;

and step four, after the discharging is finished, opening a valve on the air blowing pipe, continuously blowing the gas into the collecting chamber through the air blowing pipe, continuously increasing the air pressure in the collecting chamber, pushing the two groups of first rectangular pistons to move towards the direction far away from the collecting chamber under the action of the internal air pressure, pushing the two groups of rack plates to move in opposite directions through the two groups of pushing rods, driving corresponding gears to reversely rotate when the rack plates move, reversely rotating the two groups of turnover shafts, and finally pushing the two groups of turnover plates through the first connecting rod and the push-pull rod so as to close the two groups of turnover plates.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, by arranging the pneumatic control assembly, under the combined action of the internal air pressure and the second spring, the rack plate drives the corresponding gears to rotate during movement, and the two groups of turnover shafts rotate along with the rotation of the rack plate, so that the two groups of turnover plates are pushed or pulled through the first connecting rod and the push-pull rod to be closed and opened without manually closing or opening the turnover plates, the operation is simple, the use is convenient, the time and the labor are saved, and the operation efficiency is obviously improved;

2. according to the invention, by arranging the manual control assembly, when the air source of the pneumatic control assembly is abnormal and cannot be used, the two groups of turning plates can be controlled to be closed and opened in a manual control mode, so that a standby effect is achieved, and the use is facilitated;

3. according to the invention, the first anti-blocking assembly is arranged, the first driving motor drives the eccentric wheel to rotate through the first driving shaft, and the reciprocating ejector rod reciprocates up and down in the vertical direction under the combined action of the eccentric wheel and the third spring, so that the reciprocating ejector rod repeatedly smashes the position between the two groups of turning plates to prevent the opening from being blocked and ensure the smooth operation of the discharging process;

4. according to the invention, by arranging the second anti-blocking assembly, the second driving motor drives the rotating rods on the two sides to rotate through the second driving shaft, the rotating rods drive the anti-blocking rods connected with the rotating rods to circumferentially rotate in the vertical direction so as to continuously stir the positions on the two sides of the vertical partition plate, so that the opening is further prevented from being blocked, the condition that the opening is blocked during discharging can be effectively prevented, the smooth proceeding of the discharging process is ensured, and when the opening is blocked, the opening is not required to be dredged manually through tools, so that the discharging efficiency is improved;

5. according to the invention, the buffer protection plate buffers the falling impact force of the material, the buffer protection plate is pressed into the buffer groove under the impact force, the elastic ball primarily buffers the falling impact force, and the first spring secondarily buffers the falling impact force, so that the impact of the falling impact force of the material on the turnover plate can be effectively reduced, and the service life of the turnover plate is prolonged.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings;

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

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

FIG. 3 is a schematic structural view of the flap assembly shown in FIG. 1;

FIG. 4 is a schematic illustration of the connection of the pneumatic control assembly and the manual control assembly of FIG. 2;

FIG. 5 is a schematic diagram of the pneumatic control assembly of the present invention;

FIG. 6 is a schematic structural view of the first anti-blocking assembly shown in FIG. 1;

FIG. 7 is a schematic diagram of the structure of the sphere of FIG. 7;

FIG. 8 is a schematic structural view of a second anti-blocking assembly shown in FIG. 1;

FIG. 9 is a schematic structural view of a first embodiment of the present invention;

FIG. 10 is a perspective view of the vertical rectangular block of FIG. 9;

fig. 11 is a schematic structural view of the flap in fig. 3.

Reference numerals: 1. a valve body; 2. erecting a hopper; 3. a flap assembly; 4. a pneumatic control assembly; 5. a manual control assembly; 6. a first anti-clogging assembly; 7. a vertical partition plate; 8. an arc-shaped strip; 9. a second anti-clogging component; 31. a turning shaft; 32. turning over a plate; 33. a first connecting rod; 34. a push-pull rod; 35. a gear; 321. a buffer protection plate; 322. a buffer tank; 323. an elastic ball; 324. a movable plate; 325. a pressure lever; 326. a first spring; 401. a horizontal rectangular block; 402. a collection chamber; 403. a horizontal rectangular cavity; 404. a first rectangular piston; 405. a push rod; 406. a second spring; 407. a rack plate; 408. a header pipe; 409. blowing a gas pipe; 410. an air outlet pipe; 501. a vertical rectangular block; 502. a gas delivery pipe; 503. an air exhaust pipe; 504. a second rectangular piston; 505. a threaded sleeve; 506. a stud; 507. an adjusting handle; 508. a transmission rod; 509. a vertical rectangular cavity; 601. a sphere; 602. a reciprocating ejector rod; 603. a movable rod; 604. a second connecting rod; 605. an electric telescopic rod; 606. a third spring; 607. a cavity; 608. a first drive motor; 609. a first drive shaft; 610. an eccentric wheel; 611. a movable block; 901. rotating the rod; 902. an anti-blocking rod; 903. a second drive motor; 904. a second drive shaft; 905. a first tine; 906. a second tine.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.

The first embodiment is as follows:

as shown in fig. 1-8, the anti-clogging dual pneumatic flap valve provided by the invention comprises a valve body 1 and a vertical bucket 2, wherein the valve body 1 comprises an upper layer and a lower layer, the lower layer is the same as the upper layer (the lower layer is not shown in the drawing), the vertical bucket 2 is vertically installed at the top of the valve body 1 and communicated with the upper layer, a vertical partition plate 7 is fixedly installed in the middle of the vertical bucket 2 through bolts, an arc-shaped strip 8 is installed at the top of the vertical partition plate 7, the arc-shaped strip 8 helps to prevent materials from gathering at the top of the vertical partition plate 7, a flap assembly 3 is installed at the bottom of the vertical bucket 2, and the flap assembly 3 is located in the valve body 1; a first anti-blocking component 6 is installed in the valve body 1, a second anti-blocking component 9 is installed at a position, close to the bottom, of the vertical partition plate 7, the first anti-blocking component 6 is located below the turning plate component 3, the second anti-blocking component 9 is located above the turning plate component 3, a pneumatic control component 4 is installed on the outer wall of the valve body 1, and the pneumatic control component 4 is used for controlling the turning plate component 3 to be opened and closed; the turning plate assembly 3 comprises turning shafts 31 and turning plates 32, the turning plates 32 are rotatably arranged at the bottom of the vertical hopper 2 and are symmetrical about the vertical partition plate 7, two groups of turning shafts 31 are correspondingly arranged and are rotatably connected with the valve body 1 through bearings, push-pull rods 34 are arranged at the bottoms of the turning plates 32, first connecting rods 33 are arranged on the turning shafts 31, and one ends, far away from the turning shafts 31, of the first connecting rods 33 are connected with the push-pull rods 34;

the pneumatic control assembly 4 comprises a horizontal rectangular block 401, the horizontal rectangular block 401 is fixedly installed on the outer wall of the valve body 1 through bolts, a collecting chamber 402 and two groups of horizontal rectangular cavities 403 are formed in the horizontal rectangular block 401, the two groups of horizontal rectangular cavities 403 are located on two sides of the collecting chamber 402 and are communicated with the collecting chamber, a header pipe 408 and an air outlet pipe 410 which are communicated with the collecting chamber 402 are installed on the horizontal rectangular block 401, an air blowing pipe 409 is installed on the header pipe 408, valves are installed on the air outlet pipe 410 and the air blowing pipe 409, and the other end of the air blowing pipe 409 is connected with an air blowing device (such as an air pump); a first rectangular piston 404 is slidably mounted in the horizontal rectangular cavity 403, a pushing rod 405 is mounted on one side, away from the collecting chamber 402, of the first rectangular piston 404, the pushing rod 405 penetrates out of the horizontal rectangular cavity 403 and is connected with a rack plate 407, the overturning shaft 31 penetrates out of the valve body 1 and is connected with the gear 35, and the rack plate 407 is located above the gear 35 and is in meshed connection with the gear 35; the second spring 406 is a compression spring, the second spring 406 is sleeved on the outer peripheral surface of the push rod 405 and is positioned in the horizontal rectangular cavity 403, and the second spring 406 is connected with the first rectangular piston 404;

in a specific use process, a valve on an air outlet pipe 410 is opened to discharge compressed air in a collecting chamber 402 from the air outlet pipe 410, the air pressure in the collecting chamber 402 is continuously reduced, two groups of first rectangular pistons 404 are pushed to move towards the direction close to the collecting chamber 402 under the combined action of the resilience force of a second spring 406 and the internal air pressure, so that two groups of rack plates 407 are pulled to move oppositely through two groups of pushing rods 405, the rack plates 407 drive corresponding gears 35 to rotate during movement, two groups of turnover shafts 31 rotate along with the rack plates, and finally two groups of turnover plates 32 are pulled through a first connecting rod 33 and a push-pull rod 34 to open the two groups of turnover plates 32, and discharging can be carried out at the moment; after the discharging is finished, the gas is continuously blown into the collecting chamber 402 by opening the valve on the gas blowing pipe 409, the gas pressure in the collecting chamber 402 is continuously increased, and the two groups of first rectangular pistons 404 are pushed to move towards the direction far away from the collecting chamber 402 under the action of the internal gas pressure, so that the two groups of turning plates 32 are finally pushed by the first connecting rod 33 and the push-pull rod 34, the two groups of turning plates 32 are closed, the opening and closing of the pneumatic control flap valve are realized, the operation is simple, the use is convenient, and the operation efficiency is obviously improved;

the first anti-blocking assembly 6 comprises a ball body 601 and a second connecting rod 604, the second connecting rod 604 is horizontally arranged in the valve body 1, the ball body 601 is connected with the second connecting rod 604, and a cavity 607 is formed in the ball body 601; a first driving motor 608 is fixedly installed in the sphere 601 through a motor base, and a first driving shaft 609 is installed at the output end of the first driving motor 608; the movable block 611 is slidably mounted in the cavity 607, the eccentric wheel 610 is arranged on the first driving shaft 609 and is located in the cavity 607, the eccentric wheel 610 is located below the movable block 611 and abuts against the movable block 611, when discharging is performed, the first driving motor 608 drives the eccentric wheel 610 to rotate through the first driving shaft 609, the movable rod 603 is mounted at the top of the movable block 611, the movable rod 603 vertically penetrates out of the cavity 607 and is connected with the reciprocating ejector rod 602, and the top end of the reciprocating ejector rod 602 is a tip end; the third spring 606 is sleeved on the outer peripheral surface of the movable rod 603 and is located in the cavity 607, and the third spring 606 is connected with the movable block 611; in the rotation process of the eccentric wheel 610, when the long end of the eccentric wheel 610 is in contact with the movable block 611, the reciprocating push rod 602 rises to the highest position, and when the short end of the eccentric wheel 610 is in contact with the movable block 611, the reciprocating push rod 602 descends to the lowest position under the resilience force of the third spring 606, so that the reciprocating push rod 602 performs reciprocating motion in the vertical direction, and the reciprocating push rod 602 performs repeated pounding on the position between the two groups of turning plates 32 to prevent the opening from being blocked; the inner wall of the valve body 1 is fixedly provided with an electric telescopic rod 605 through a mounting seat, the second connecting rod 604 is connected with the valve body 1 in a sliding mode through a sliding groove, and the electric telescopic rod 605 is vertically arranged and connected with the second connecting rod 604; the electric telescopic rod 605 is extended or shortened to adjust the height of the reciprocating mandril, thereby being beneficial to use;

the second anti-blocking assembly 9 comprises a rotating rod 901, an anti-blocking rod 902, a second driving motor 903 and a second driving shaft 904, the second driving motor 903 is fixedly installed in the vertical partition plate 7 through a motor base, the second driving shaft 904 is installed at the output end of the second driving motor 903, the second driving motor 903 is used for driving the second driving shaft 904, the horizontally arranged rotating rods 901 are rotatably installed at two sides of the vertical partition plate 7, the anti-blocking rod 902 is installed at the outer peripheral surface of the rotating rod 901, the second driving shaft 904 is in meshing transmission connection with the rotating rod 901 through a bevel gear, when discharging is carried out, the second driving motor 903 drives the rotating rods 901 at two sides to rotate through the second driving shaft 904, the rotating rod 901 drives the anti-blocking rod 902 connected with the rotating rod 901 to carry out vertical circumferential rotation so as to continuously stir positions at two sides of the vertical partition plate 7, further prevent the opening from being blocked, and effectively prevent the occurrence of the condition of blocking of the opening during discharging, the smooth operation of the discharging process is ensured; prevent that stifled pole 902 keeps away from the one end of dwang 901 and install second pointed tooth 906, prevent that stifled pole 902 from installing first pointed tooth 905 to the one side of erecting baffle 7 dorsad, first pointed tooth 905 and second pointed tooth 906 can be along with preventing stifled pole 902 pivoted in-process, can carry out the breakage to cubic plug, help improving mediation effect and mediation efficiency, prevent stifled pole 902 and dwang 901 and pass through the bolt fastening, can change (when preventing stifled pole 902 and damaging, or need change to become to prevent stifled pole 902 who does not take the pointed tooth) stifled pole 902 according to actual need.

Example two:

as shown in fig. 4, 5, 9 and 10, the difference between the present embodiment and embodiment 1 is that a manual control assembly 5 is fixedly installed on the outer wall of the valve body 1 through a bolt, the manual control assembly 5 includes a vertical rectangular block 501, a vertical rectangular cavity 509 is formed in the vertical rectangular block 501, an air pipe 502 and an air exhaust pipe 503 are installed at a position of the vertical rectangular block 501 close to the top end, the other end of the air pipe 502 is communicated with a header pipe 408, the other end of the air exhaust pipe 503 is communicated with the outside, and valves are installed on the air pipe 502 and the air exhaust pipe 503; a second rectangular piston 504 is slidably mounted in the vertical rectangular cavity 509, a threaded sleeve 505 with a downward opening is mounted at the bottom of the second rectangular piston 504, a stud 506 is rotatably mounted at the bottom of the vertical rectangular cavity 509 through a bearing, the stud 506 is vertically arranged and in threaded connection with the threaded sleeve 505, a horizontally arranged transmission rod 508 is rotatably mounted on the vertical rectangular block 501 through a bearing, an adjusting handle 507 is mounted on the transmission rod 508, the adjusting handle 507 is located outside, and the transmission rod 508 extends into the vertical rectangular cavity 509 and is in meshing transmission connection with the stud 506 through a bevel gear;

when the air blowing device connected with the air blowing pipe 409 is abnormal and cannot be automatically controlled, the valve on the air conveying pipe 502 is opened, the valves on the air suction pipe 503, the air blowing pipe 409 and the air outlet pipe 410 are closed, the adjusting handle 507 is manually rotated, the adjusting handle 507 drives the stud 506 to rotate through the transmission rod 508, the threaded sleeve 505 moves upwards along the vertical direction, the second rectangular piston 504 moves upwards along with the air suction pipe and presses the air above the second rectangular piston into the air conveying pipe 502, and the air conveying pipe 502 conveys the air into the collecting chamber 402 through the main pipe 408, so that the internal air pressure is continuously increased, the function of manual control is achieved, and the use is facilitated; when the second rectangular piston 504 is required to descend, the valve on the air conveying pipe 502 is closed, the valve on the air suction pipe 503 is opened, the adjusting handle 507 is rotated reversely, and outside air enters the vertical rectangular cavity 509 to descend the second rectangular piston 504.

Example three:

as shown in fig. 3 and fig. 11, the difference between the present embodiment and embodiments 1 and 2 is that a buffer slot 322 is formed on the turning plate 32, a buffer protection plate 321 is disposed above the turning plate 32, elastic balls 323 connected to the buffer protection plate 321 are mounted in the buffer slot 322, the elastic balls 323 are distributed uniformly in the buffer slot 322 in multiple groups, a movable plate 324 is disposed below the turning plate 32, a pressing rod 325 is mounted on one side of the buffer protection plate 321 facing the buffer slot 322, one end of the pressing rod 325 away from the buffer protection plate 321 is connected to the movable plate 324, the movable plate 324 is one or more groups, a first spring 326 is mounted at the bottom of the turning plate 32, and the first spring 326 is connected to the movable plate 324;

when the material falls downwards to the turning plate 32, the impact force of the falling of the material is buffered by the buffer protection plate 321, which is as follows: buffering guard plate 321 receives the impact force and impresses in buffer slot 322, and elastic ball 323 cushions falling impact force tentatively, and buffering guard plate 321 passes through the depression bar 325 and exerts the effect to fly leaf 324, and first spring 326 cushions the falling impact force for the second time, can effectively reduce the impact that material falling impact force brought to turning over the board 32, is showing the reduction and to the harm that turns over the board 32 and bring, helps improving the life who turns over the board 32.

The working principle of the invention is as follows: when the device is used, the valve on the air outlet pipe 410 is opened, the compressed air in the collecting chamber 402 is discharged from the air outlet pipe 410, the air pressure in the collecting chamber 402 is continuously reduced, the valve on the air outlet pipe 410 is closed after a certain time, two groups of first rectangular pistons 404 are pushed to move towards the direction close to the collecting chamber 402 under the combined action of the resilience force of the second spring 406 and the internal air pressure, so that two groups of rack plates 407 are pulled to move oppositely through two groups of push rods 405, the rack plates 407 drive corresponding gears 35 to rotate during movement, two groups of turnover shafts 31 rotate along with the rack plates, and finally two groups of turnover plates 32 are pulled through the first connecting rod 33 and the push-pull rod 34, so that the two groups of turnover plates 32 are opened, and discharging can be carried out at the moment; after the discharging is finished, a valve on the air blowing pipe 409 is opened, air is continuously blown into the collecting chamber 402 through the air blowing pipe 409, the air pressure in the collecting chamber 402 is continuously increased, two groups of first rectangular pistons 404 are pushed to move towards the direction far away from the collecting chamber 402 under the action of the internal air pressure, so that two groups of rack plates 407 are pushed to move oppositely through two groups of pushing rods 405, the rack plates 407 drive corresponding gears 35 to rotate reversely when moving, two groups of turnover shafts 31 rotate reversely, and finally two groups of turnover plates 32 are pushed through the first connecting rod 33 and the push-pull rod 34 to close the two groups of turnover plates 32;

when discharging, the first driving motor 608 drives the eccentric wheel 610 to rotate through the first driving shaft 609, when the long end of the eccentric wheel 610 contacts with the movable block 611, the reciprocating push rod 602 rises to the highest position, and when the short end of the eccentric wheel 610 contacts with the movable block 611, the reciprocating push rod 602 descends to the lowest position under the resilience force of the third spring 606, so that the reciprocating push rod 602 performs reciprocating motion in the vertical direction, and the reciprocating push rod 602 performs repeated tamping on the position between the two groups of turning plates 32 to prevent the opening from being blocked; and second driving motor 903 drives the dwang 901 of both sides through second drive shaft 904 and rotates, dwang 901 drives rather than being connected prevent stifled pole 902 and carry out vertical direction circumference and rotate to constantly stir the position department of erecting 7 both sides of baffle, further prevent that the opening part from blockking up, the condition that the opening blockked up takes place when can effectively preventing to unload, guaranteed going on smoothly of the process of unloading, and when the opening part blockked up, do not need the manual work to come to dredge the opening part through the instrument, the efficiency of unloading has been improved.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. Based on the anti-blocking double-pneumatic flap valve, the anti-blocking double-pneumatic flap valve comprises a valve body (1), a vertical hopper (2) and a vertical partition plate (7), wherein the vertical hopper (2) is vertically installed at the top of the valve body (1) and communicated with the valve body, the vertical partition plate (7) is fixedly installed in the middle of the vertical hopper (2) through bolts, and an arc-shaped strip (8) is installed at the top of the vertical partition plate (7), and the anti-blocking double-pneumatic flap valve is characterized in that a flap assembly (3) is installed at the bottom of the vertical hopper (2), and the flap assembly (3) is located in the valve body (1);

install first stifled subassembly (6) of preventing in valve body (1), erect baffle (7) and install the second near the position of bottom and prevent stifled subassembly (9), and first prevent stifled subassembly (6) and be located the below of turning over board subassembly (3), the second prevents stifled subassembly (9) and is located the top of turning over board subassembly (3), pneumatic control subassembly (4) are installed to the outer wall of valve body (1), and pneumatic control subassembly (4) are used for controlling to turn over board subassembly (3) and open and closed.

2. The anti-blocking double-pneumatic flap valve according to claim 1, wherein the flap assembly (3) comprises two turning shafts (31), two flaps (32), a first connecting rod (33) and a push-pull rod (34), the flaps (32) are rotatably mounted at the bottom of the vertical hopper (2) and are symmetrical about the vertical partition plate (7), the number of the turning shafts (31) is correspondingly two, the turning shafts are rotatably connected with the valve body (1) through bearings, the push-pull rod (34) is mounted at the bottom of the flaps (32), the first connecting rod (33) is mounted on the turning shafts (31), and one ends, far away from the turning shafts (31), of the first connecting rods (33) are connected with the push-pull rod (34).

3. The anti-blocking double-pneumatic flap valve according to claim 2, wherein a buffer groove (322) is formed in the flap (32), a buffer protection plate (321) is arranged above the flap (32), an elastic ball (323) connected with the buffer protection plate (321) is installed in the buffer groove (322), a movable plate (324) is arranged below the flap (32), a pressure lever (325) is installed on one side, facing the buffer groove (322), of the buffer protection plate (321), one end, far away from the buffer protection plate (321), of the pressure lever (325) is connected with the movable plate (324), a first spring (326) is installed at the bottom of the flap (32), and the first spring (326) is connected with the movable plate (324).

4. The anti-blocking double-pneumatic flap valve according to claim 3, wherein the pneumatic control assembly (4) comprises a horizontal rectangular block (401), a collection chamber (402), a horizontal rectangular cavity (403), a first rectangular piston (404), a push rod (405), a second spring (406), a rack plate (407), a header pipe (408), an air blowing pipe (409) and an air outlet pipe (410), the horizontal rectangular block (401) is fixedly installed on the outer wall of the valve body (1) through bolts, the collection chamber (402) and two groups of horizontal rectangular cavities (403) are formed in the horizontal rectangular block (401), the two groups of horizontal rectangular cavities (403) are located on two sides of the collection chamber (402) and are communicated with the collection chamber, the header pipe (408) and the air outlet pipe (410) communicated with the collection chamber (402) are installed on the horizontal rectangular block (401), the air blowing pipe (409) is installed on the header pipe (408), valves are arranged on the air outlet pipe (410) and the air blowing pipe (409);

a first rectangular piston (404) is slidably mounted in the horizontal rectangular cavity (403), a pushing rod (405) is mounted on one side, away from the collecting chamber (402), of the first rectangular piston (404), the pushing rod (405) penetrates out of the horizontal rectangular cavity (403) outwards and is connected with a rack plate (407), the turnover shaft (31) penetrates out of the valve body (1) outwards and is connected with a gear (35), and the rack plate (407) is located above the gear (35) and is in meshed connection with the gear (35); the second spring (406) is sleeved on the outer peripheral surface of the pushing rod (405) and is positioned in the horizontal rectangular cavity (403), and the second spring (406) is connected with the first rectangular piston (404).

5. The anti-clogging dual-pneumatic flap valve according to claim 4, characterized in that a manual control assembly (5) is fixedly installed on the outer wall of the valve body (1) through a bolt, the manual control assembly (5) comprises a vertical rectangular block (501), an air pipe (502), an air exhaust pipe (503), a second rectangular piston (504), a threaded sleeve (505), a stud (506), an adjusting handle (507), a transmission rod (508) and a vertical rectangular cavity (509), a vertical rectangular cavity (509) is formed in the vertical rectangular block (501), the air pipe (502) and the air exhaust pipe (503) are installed at the top end of the vertical rectangular block (501), the other end of the air pipe (502) is communicated with a header pipe (408), the other end of the air exhaust pipe (503) is communicated with the outside, and valves are installed on the air pipe (502) and the air exhaust pipe (503);

sliding mounting has second rectangle piston (504) in vertical rectangle chamber (509), and the bottom of second rectangle piston (504) installs screw sleeve (505) that open side down, stud (506) are installed through the bearing rotation to the bottom in vertical rectangle chamber (509), stud (506) vertical setting and with screw sleeve (505) threaded connection, rotate through the bearing on vertical rectangle piece (501) and install transfer line (508) that the level set up, install regulation handle (507) on transfer line (508), and transfer line (508) are connected with stud (506) meshing transmission through bevel gear.

6. The anti-blocking double-pneumatic flap valve based on the claim 5 is characterized in that the first anti-blocking assembly (6) comprises a ball body (601), a reciprocating ejector rod (602), a movable rod (603), a second connecting rod (604), a third spring (606), a cavity (607), a first driving motor (608), a first driving shaft (609), an eccentric wheel (610) and a movable block (611), the second connecting rod (604) is horizontally arranged in the valve body (1), the ball body (601) is connected with the second connecting rod (604), and the cavity (607) is formed in the ball body (601); a first driving motor (608) is fixedly installed in the sphere (601) through a motor base, and a first driving shaft (609) is installed at the output end of the first driving motor (608);

the movable block (611) is slidably mounted in the cavity (607), the eccentric wheel (610) is arranged on the first driving shaft (609) and is positioned in the cavity (607), the eccentric wheel (610) is positioned below the movable block (611) and props against the movable block (611), the top of the movable block (611) is provided with a movable rod (603), the movable rod (603) vertically penetrates out of the cavity (607) upwards and is connected with the reciprocating ejector rod (602), and the top end of the reciprocating ejector rod (602) is a tip end; the third spring (606) is sleeved on the outer peripheral surface of the movable rod (603) and is positioned in the cavity (607), and the third spring (606) is connected with the movable block (611).

7. The anti-blocking double-pneumatic flap valve based on the claim 6 is characterized in that an electric telescopic rod (605) is fixedly installed on the inner wall of the valve body (1) through a mounting seat, the second connecting rod (604) is connected with the valve body (1) in a sliding mode through a sliding groove, and the electric telescopic rod (605) is vertically arranged and connected with the second connecting rod (604).

8. The anti-blocking double-pneumatic flap valve based on the claim 7 is characterized in that the second anti-blocking assembly (9) comprises a rotating rod (901), an anti-blocking rod (902), a second driving motor (903) and a second driving shaft (904), the second driving motor (903) is fixedly installed in the vertical partition plate (7) through a motor base, the second driving shaft (904) is installed at the output end of the second driving motor (903), the rotating rods (901) horizontally arranged are rotatably installed on two sides of the vertical partition plate (7), the anti-blocking rod (902) is installed on the outer peripheral surface of the rotating rod (901), and the second driving shaft (904) is in meshing transmission connection with the rotating rod (901) through a bevel gear.

9. The anti-clogging dual pneumatic flap valve according to claim 8, characterized in that one end of the anti-clogging rod (902) far away from the rotating rod (901) is provided with a second pointed tooth (906), and one side of the anti-clogging rod (902) back to the vertical partition plate (7) is provided with a first pointed tooth (905).

10. The anti-clogging dual-pneumatic flap valve according to claim 9, wherein the method of using the flap valve comprises the steps of;

step one, a valve on an air outlet pipe (410) is opened, compressed air in a collecting chamber (402) is discharged from the air outlet pipe (410), air pressure in the collecting chamber (402) is continuously reduced, the valve on the air outlet pipe (410) is closed after a certain time, two groups of first rectangular pistons (404) are pushed to move towards the direction close to the collecting chamber (402) under the combined action of the resilience force of a second spring (406) and the internal air pressure, two groups of rack plates (407) are pulled to move oppositely through two groups of push rods (405), the rack plates (407) drive corresponding gears (35) to rotate when moving, two groups of turnover shafts (31) rotate along with the rack plates, and finally two groups of turnover plates (32) are pulled through a first connecting rod (33) and a push-pull rod (34) to open the two groups of turnover plates (32), and discharging can be carried out;

step two, the height of the reciprocating ejector rod (602) is adjusted by extending or shortening the electric telescopic rod (605), a first driving motor (608) is started, the first driving motor (608) drives the eccentric wheel (610) to rotate through a first driving shaft (609), when the long end of the eccentric wheel (610) is in contact with the movable block (611), the reciprocating ejector rod (602) rises to the highest position, when the short end of the eccentric wheel (610) is in contact with the movable block (611), the reciprocating ejector rod (602) descends to the lowest position under the resilience force of a third spring (606), so that the reciprocating ejector rod (602) performs reciprocating motion in the vertical direction, and the reciprocating ejector rod (602) repeatedly smashes the position between the two groups of turning plates (32) to prevent the opening from being blocked;

step three, a second driving motor (903) is started, the second driving motor (903) drives rotating rods (901) on two sides to rotate through a second driving shaft (904), and the rotating rods (901) drive anti-blocking rods (902) connected with the rotating rods to rotate circumferentially in the vertical direction so as to continuously stir the positions of the bottoms on two sides of the vertical partition plate (7) and further prevent the opening from being blocked;

and step four, after the discharging is finished, opening a valve on an air blowing pipe (409), continuously blowing the gas into a collecting chamber (402) through the air blowing pipe (409), continuously increasing the air pressure in the collecting chamber (402), pushing two groups of first rectangular pistons (404) to move towards the direction far away from the collecting chamber (402) under the action of the internal air pressure, further pushing two groups of rack plates (407) to move oppositely through two groups of pushing rods (405), driving corresponding gears (35) to rotate reversely when the rack plates (407) move, reversely rotating two groups of turnover shafts (31), and finally pushing two groups of turnover plates (32) through a first connecting rod (33) and a push-pull rod (34) so as to close the two groups of turnover plates (32).

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