阅读说明：本技术 一种分向气动插板阀、阀组系统及控制系统 (Pneumatic push-pull valve, valves system and control system divide to ) 是由 杨荷庭 叶伟男 梁旭波 马宏燕 朱金秋 王明旭 于 2021-09-02 设计创作，主要内容包括：本发明涉及插板阀技术领域,具体涉及一种分向气动插板阀、阀组系统及控制系统,插板阀包括阀体、阀板和驱动机构,所述阀体上开设有贯穿所述阀体的通孔,所述通孔的数量为N个,所述阀体内部设有空腔,所述阀板设置在所述阀体内部的空腔中,所述阀孔的数量为M个,所述阀孔与所述通孔的轴线均相互平行,所述驱动机构设置在所述阀体一端,所述阀板与所述驱动机构的输出端联动,所述通孔的直径为R,所述阀孔的直径为r,相邻所述通孔之间的孔边距为D,其中,N≥2,N≥M,D≥r≥R。本发明的分向气动插板阀,气密性好,不易存料,检修方便,实现一进两出或多出,具有多种连通方式,可以减少插板阀使用数量,降低成本。(The invention relates to the technical field of gate valves, in particular to a directional pneumatic gate valve, a valve group system and a control system, wherein the gate valve comprises a valve body, a valve plate and a driving mechanism, through holes penetrating through the valve body are formed in the valve body, the number of the through holes is N, a cavity is formed in the valve body, the valve plate is arranged in the cavity in the valve body, the number of the valve holes is M, the axes of the valve holes and the through holes are parallel to each other, the driving mechanism is arranged at one end of the valve body, the valve plate is linked with the output end of the driving mechanism, the diameter of each through hole is R, the diameter of each valve hole is R, the hole edge distance between every two adjacent through holes is D, N is more than or equal to 2, N is more than or equal to M, and D is more than or equal to R. The branch pneumatic gate valve has the advantages of good air tightness, difficult material storage, convenient maintenance, realization of one inlet and two outlets or more outlets, multiple communication modes, reduction of the use number of the gate valve and cost reduction.)

1. The directional pneumatic gate valve is characterized by comprising a valve body, a valve plate and a driving mechanism, wherein through holes penetrating through the valve body are formed in the valve body, the number of the through holes is N, a cavity is formed in the valve body, the valve plate is arranged in the cavity in the valve body, the number of the valve holes is M, the axes of the valve holes and the axes of the through holes are parallel to each other, the driving mechanism is arranged at one end of the valve body, the valve plate is linked with the output end of the driving mechanism, the diameter of each through hole is R, the diameter of each valve hole is R, the hole edge distance between every two adjacent through holes is D, N is not less than 2, N is not less than M, and D is not less than R.

2. The directional pneumatic gate valve according to claim 1, wherein the valve body comprises an upper cover plate, a lower cover plate, a tail plate and a mounting plate, the upper cover plate and the lower cover plate are arranged oppositely, two side edges of the upper cover plate and the lower cover plate are detachably connected, the tail plate and the mounting plate are detachably connected to two ends of the upper cover plate and two ends of the lower cover plate respectively, the driving mechanism is mounted on the mounting plate, the upper cover plate and the lower cover plate are provided with N through holes, and the N through holes in the upper cover plate and the lower cover plate are arranged oppositely.

3. The directional pneumatic gate valve according to claim 2, wherein a first upper barrier strip and a second upper barrier strip are arranged on the lower surface of the upper cover plate, the first upper barrier strip and the second upper barrier strip are respectively positioned on two sides of the N through holes, a first lower barrier strip and a second lower barrier strip are arranged on the upper surface of the lower cover plate, the first lower barrier strip and the second lower barrier strip are respectively positioned on two sides of the N through holes, the first upper barrier strip is arranged opposite to the first lower barrier strip, the second upper barrier strip is arranged opposite to the second lower barrier strip, and a certain gap is formed between the first upper barrier strip and the first lower barrier strip and between the second upper barrier strip and the second lower barrier strip;

preferably, an upper pressure plate, an upper elastomer support and an upper hard wear plate are arranged between the first upper barrier strip and the second upper barrier strip, a lower pressure plate, a lower elastomer support and a lower hard wear plate are arranged between the first lower barrier strip and the second lower barrier strip, the upper surface of the upper pressure plate is in contact connection with the upper cover plate, the lower surface of the lower pressure plate is in contact connection with the lower cover plate, the upper pressure plate, the upper elastomer support and the upper hard wear plate are in sequential contact connection from top to bottom, the lower pressure plate, the lower elastomer support and the lower hard wear plate are in sequential contact connection from bottom to top, the valve plate is located between the upper hard wear plate and the lower hard wear plate and is in sliding connection with the upper hard wear plate and the lower hard wear plate respectively, and the upper pressure plate, the upper elastomer support, the upper hard wear plate, the lower hard wear plate, the upper hard wear plate and the lower wear plate are in sliding connection with each other, The lower pressing plate, the lower elastomer support and the lower hard wear-resisting plate are all provided with N through holes corresponding to the valve body.

4. The directional pneumatic gate valve according to claim 2, wherein the driving mechanism comprises a cylinder, the cylinder is mounted on the mounting plate, a piston rod of the cylinder is slidably connected with the mounting plate and inwardly penetrates through the mounting plate to be linked with the valve plate, a connecting block is arranged at one end of the valve plate, and the connecting block is hinged to the end portion of the piston rod of the cylinder.

5. The directional pneumatic gate valve according to claim 2, wherein a first edge strip and a second edge strip are respectively arranged between the upper cover plate and two sides of the lower cover plate, an upper flange is detachably connected to the upper surface of the upper cover plate, a lower flange is detachably connected to the lower surface of the lower cover plate, and the upper flange and the lower flange are respectively provided with N through holes corresponding to the valve body.

6. The directional pneumatic gate valve according to claim 1, wherein the number of the through holes of the valve body is two, namely a first through hole and a second through hole, the number of the valve holes is one, namely a first valve hole, and the diameters of the first through hole, the second through hole and the first valve hole are the same, namely N-2, and M-1.

7. The directional pneumatic gate valve according to claim 1, wherein the number of the through holes of the valve body is two, namely a first through hole and a second through hole, the number of the valve holes is two, namely a first valve hole and a second valve hole, namely N-M-2, and a hole edge distance between the first valve hole and the second valve hole is D, wherein D is not less than D and R-R.

8. The directional pneumatic gate valve according to claim 1, wherein the number of the through holes of the valve body is two, namely a first through hole and a second through hole, the number of the valve holes is two, namely a first valve hole and a second valve hole, namely N-M-2, and a hole edge distance between the first valve hole and the second valve hole is D, wherein D is not less than 2R, R is 1.5R, and D-R.

9. A directional pneumatic gate valve group system is characterized by comprising at least two gate valves which are respectively a first gate valve and a second gate valve, wherein the first gate valve is the gate valve according to any one of claims 1 to 8, the second gate valve is the gate valve according to any one of claims 1 to 5, each through hole of the first gate valve is provided with a discharge pipe, the lower end of each discharge pipe is respectively provided with at least two branch pipes, and the branch pipes are respectively communicated with a plurality of through holes of the second gate valve;

preferably, the number of the through holes of the first gate valve is two, the first through holes and the second through holes are respectively provided with a first discharge pipe and a second discharge pipe, the tail end of the first discharge pipe is provided with a first branch pipe and a second branch pipe which are communicated, the tail end of the second discharge pipe is provided with a third branch pipe and a fourth branch pipe which are communicated, the number of the through holes of the second gate valve is four, and the first branch pipe, the second branch pipe, the third branch pipe and the fourth branch pipe are respectively communicated with the four through holes of the second gate valve.

10. The utility model provides a pneumatic push-pull valve control system of diversion, its characterized in that, including claim 1-8 arbitrary push-pull valve or claim 9 the valves system, still including a plurality of feed bins, a plurality of charge level indicators, controller and solenoid valve, the push-pull valve or the outputs of valves system are connected with a plurality of feed bins, every respectively all be provided with the charge level indicator in the feed bin, the output of charge level indicator is connected the controller, the control signal output electric connection of controller the control end of solenoid valve, the solenoid valve is used for control cylinder to move, the cylinder does the push-pull valve or the cylinder of valves system's push-pull valve.

Technical Field

The invention relates to the technical field of gate valves, in particular to a directional pneumatic gate valve, a valve bank system and a control system.

Background

Gate valves, also known as knife gate valves. The knife gate valve is a valve with a flashboard and a valve seat which are always in close contact and sealed, and the principle is that a round opening with the same drift diameter is formed in the flashboard, and the round opening on the flashboard is completely separated from and matched with the drift diameter by opening and closing the flashboard. The valve has the advantages that the drift diameter of the valve body is not provided with a groove, the medium cannot be blocked and blocked, the valve has the full-drift-diameter circulation characteristic, and the sealing structure can be divided into a soft sealing structure and a hard sealing structure.

The existing gate valve can not solve the problem of material storage while achieving high air tightness under a simple structure. For example, chinese patent CN207246453U discloses a directional pneumatic gate valve, which mainly comprises: 1. a material conveying cavity is defined by the guide rail plate, the inner lining plate, the outer lining plate and the upper and lower sealing plates; 2. the upper and lower sealing plates are provided with through holes and are provided with connecting flanges in an outward protruding manner; 3. a first sealing plate is arranged on the adjacent section of the upper and lower sealing plates; 4. the air cylinder is used for driving the valve plate to reciprocate on the guide rail plate and the roller; 5. a second sealing plate is arranged between the valve plate and the upper sealing plate; 6. the first sealing plate and the second sealing plate are both soft wear-resistant lining plates; 7. a transmission cavity is formed among the cylinder mounting plate, the guide rail plate and the lining plate, and a cover plate is arranged and is positioned on the same horizontal plane with the upper sealing plate. The gate valve is general in air tightness, the material conveying cavity can store materials, and the roller is easy to age in the material conveying cavity.

Moreover, the existing gate valve of the existing gate valve has single function, one gate valve basically controls only one pipeline, and a plurality of pipelines need to be opened and closed by a plurality of gate valves, so that the cost is relatively high, and therefore a branch gate valve with one inlet, two outlets or more outlets and a plurality of communication modes is urgently needed.

Disclosure of Invention

In view of the above, the invention provides the directional pneumatic gate valve, the valve group system and the control system, which have the advantages of good air tightness, difficult material storage, convenient maintenance, realization of one inlet and two outlets or multiple outlets, multiple communication modes, reduction of the use number of the gate valves and cost reduction.

In order to achieve the purpose, the invention is realized by the following technical scheme: the invention provides a directional pneumatic gate valve which comprises a valve body, a valve plate and a driving mechanism, wherein through holes penetrating through the valve body are formed in the valve body, the number of the through holes is N, a cavity is formed in the valve body, the valve plate is arranged in the cavity in the valve body, the number of the valve holes is M, the axes of the valve holes and the axes of the through holes are parallel to each other, the driving mechanism is arranged at one end of the valve body, the valve plate is linked with the output end of the driving mechanism, the diameter of each through hole is R, the diameter of each valve hole is R, and the hole edge distance between every two adjacent through holes is D, wherein N is more than or equal to 2, N is more than or equal to M, and D is more than or equal to R.

In foretell branch pneumatic push-pull valve, as preferred scheme, the valve body is including upper cover plate, lower apron, tailboard and mounting panel, the upper cover plate with the apron sets up relatively down, and both sides limit all can dismantle the connection, the tailboard with the mounting panel can dismantle respectively and connect the upper cover plate with apron both ends down, actuating mechanism installs on the mounting panel, the upper cover plate with all seted up N on the apron down the through-hole, the upper cover plate with N on the apron down the through-hole is just to setting up each other.

In foretell branch pneumatic push-pull valve, as preferred scheme, the upper cover plate lower surface is provided with on first blend stop and the second blend stop, first on the blend stop with the blend stop is located N respectively on the second the both sides of through-hole, apron upper surface is provided with under first blend stop and the second blend stop, first blend stop with the blend stop is located N respectively under the second the both sides of through-hole, first on the blend stop with first blend stop is just right to setting up, on the second blend stop with the blend stop is just right to setting up under the second, first on the blend stop with between the first blend stop, on the second blend stop with all be equipped with certain clearance under the second between the blend stop.

In the pneumatic gate valve, as a preferred scheme, an upper pressing plate, an upper elastomer support and an upper hard wear plate are arranged between the first upper barrier and the second upper barrier, a lower pressing plate, a lower elastomer support and a lower hard wear plate are arranged between the first lower barrier and the second lower barrier, the upper surface of the upper pressing plate is in contact connection with the upper cover plate, the lower surface of the lower pressing plate is in contact connection with the lower cover plate, the upper pressing plate, the upper elastomer support and the upper hard wear plate are in sequential contact connection from top to bottom, the lower pressing plate, the lower elastomer support and the lower hard wear plate are in sequential contact connection from bottom to top, a valve plate is arranged between the upper hard wear plate and the lower hard wear plate and is respectively in sliding connection with the upper hard wear plate and the lower hard wear plate, and the upper pressing plate, the lower hard wear plate, the upper pressing plate, the lower hard wear plate and the upper hard wear plate are in sliding connection with the lower wear plate, The upper elastomer support, the upper hard wear-resisting plate, the lower pressing plate, the lower elastomer support and the lower hard wear-resisting plate are all provided with N through holes corresponding to the valve body.

In foretell branch pneumatic push-pull valve, as preferred scheme, actuating mechanism is including the cylinder, the cylinder is installed on the mounting panel, the piston rod of cylinder with mounting panel sliding connection, and inwards pass the mounting panel with the valve plate linkage, valve plate one end is provided with the connecting block, the connecting block with the cylinder the piston rod tip is articulated.

In foretell branch pneumatic push-pull valve, as preferred scheme, the upper cover plate with be equipped with first strake and second strake respectively between the apron both sides down, the upper cover plate upper surface can be dismantled and be connected with the upper flange, the apron lower surface can be dismantled and be connected with the lower flange down, the upper flange with all seted up on the lower flange with the N that the valve body corresponds the through-hole.

In the pneumatic gate valve, preferably, the number of the through holes of the valve body is two, the through holes are a first through hole and a second through hole respectively, the number of the valve holes is one, the valve holes are first valve holes, and the diameters of the first through hole, the second through hole and the first valve hole are the same, that is, N is 2, and M is 1.

In the pneumatic gate valve, preferably, the number of the through holes of the valve body is two, and the through holes are respectively a first through hole and a second through hole, the number of the valve holes is two, and the valve holes are respectively a first valve hole and a second valve hole, that is, N is equal to M is equal to 2, and the hole edge distance between the first valve hole and the second valve hole is D, wherein D is equal to or larger than D and equal to R.

In the pneumatic gate valve, preferably, the number of the through holes of the valve body is two, and the through holes are respectively a first through hole and a second through hole, the number of the valve holes is two, and the valve holes are respectively a first valve hole and a second valve hole, i.e., N ═ M ═ 2, and the hole edge distance between the first valve hole and the second valve hole is D, wherein D is not less than 2R, R ═ 1.5R, and D ═ D-R.

The invention also provides a directional pneumatic gate valve group system which comprises at least two gate valves, namely a first gate valve and a second gate valve, wherein the first gate valve and the second gate valve are of different structures, each through hole of the first gate valve is provided with a discharge pipe, the lower end of each discharge pipe is provided with at least two branch pipes, and the branch pipes are respectively communicated with the through holes of the second gate valve.

In the pneumatic gate valve group system, as an optimal scheme, the number of the through holes of the first gate valve is two, the through holes are respectively a first through hole and a second through hole, the first through hole and the second through hole are respectively communicated with a first discharge pipe and a second discharge pipe, the tail end of the first discharge pipe is provided with a first branch pipe and a second branch pipe which are communicated with each other, the tail end of the second discharge pipe is provided with a third branch pipe and a fourth branch pipe which are communicated with each other, the number of the through holes of the second gate valve is four, and the first branch pipe, the second branch pipe, the third branch pipe and the fourth branch pipe are respectively communicated with the four through holes of the second gate valve.

The invention also provides a directional pneumatic gate valve control system, which comprises the gate valve or the valve group system, and further comprises a plurality of storage bins, a plurality of material level meters, a controller and electromagnetic valves, wherein the output end of the gate valve or the valve group system is respectively connected with the plurality of storage bins, each storage bin is internally provided with the material level meter, the output end of the material level meter is connected with the controller, the control signal output end of the controller is electrically connected with the control end of the electromagnetic valve, the electromagnetic valve is used for controlling the cylinder to move, and the cylinder is the cylinder of the gate valve or the gate valve of the valve group system.

The invention provides a directional pneumatic gate valve, which has the following beneficial effects:

1. the invention provides a directional pneumatic gate valve which is provided with an upper cover plate and a lower cover plate, wherein the upper cover plate and the lower cover plate are respectively provided with an upper elastomer support and an upper hard wear-resisting plate and a lower elastomer support and a lower hard wear-resisting plate;

2. the invention provides a directional pneumatic gate valve, which can control the opening and closing of a plurality of channels by using one directional pneumatic gate valve, thereby reducing the use number of the gate valves and lowering the cost;

3. the invention provides a directional pneumatic gate valve, which enables one gate valve to have multiple conduction modes, namely two-way, single-way and two-way conduction modes, through the size matching between a valve hole and a through hole.

The invention also provides a diversion pneumatic gate valve group system and a diversion pneumatic gate valve control system, which have the advantages similar to that of a diversion pneumatic gate valve and are not described again.

Drawings

FIG. 1 is a schematic overall structure diagram of a first implementation of a pneumatic gate valve according to an embodiment of the present disclosure;

fig. 2 is a schematic view of an overall structure of a pneumatic gate valve according to an embodiment of the present invention after an upper cover plate is removed in a first embodiment;

FIG. 3 is a schematic top view of a first embodiment of a pneumatic gate valve according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of the cross-sectional view A-A of the valve of FIG. 3 illustrating the opened state of the valve gate on the right side;

FIG. 5 is a schematic view of the cross-sectional view A-A of the valve of FIG. 3 in an open state on the left side;

fig. 6 is a schematic structural diagram of a directional pneumatic gate valve group system according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a pneumatic spile valve control system according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of the general structure of a second implementation of a pneumatic divided gate valve according to an embodiment of the present invention;

FIG. 9 is a schematic diagram of the overall structure of a pneumatic gate valve according to an embodiment of the present invention with the upper cover plate removed;

FIG. 10 is a schematic cross-sectional view of a second embodiment of a pneumatic gate valve according to an embodiment of the present invention;

fig. 11 is a schematic cross-sectional structure view of a third embodiment of a pneumatic gate valve according to an embodiment of the present invention.

Description of reference numerals:

1. a tail plate; 2. an upper cover plate; 3. a lower cover plate; 4. a first upper barrier strip; 5. an upper pressure plate; 6. an upper elastomer mount; 7. an upper flange; 8. an upper hard wear plate; 9. a second upper barrier strip; 10. a valve plate; 11. connecting blocks; 12. a pin shaft; 13. a knuckle bearing; 14. mounting a plate; 15. a cylinder; 16. a first lower barrier strip; 17. a lower flange; 18. a lower pressing plate; 19. a lower elastomer mount; 20. a lower hard wear plate; 21. a second lower barrier strip; 22. a first edge strip; 23. a second edge strip; 24. a first through hole; 25. a piston rod; 26. a second through hole; 27. an electromagnetic valve; 28. a controller; 29. a level gauge; 30. a storage bin; 31. a first discharge pipe; 3101. a first branch pipe; 3102. a second branch pipe; 32. a second discharge pipe; 3201. a third branch pipe; 3202. a fourth branch pipe; 33. a first valve hole; 34. and a second valve hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a pneumatic gate valve according to a first embodiment of the present invention; the specific embodiment of the invention provides a directional pneumatic gate valve, which comprises a valve body, a valve plate 10 and a driving mechanism, wherein through holes penetrating through the valve body are formed in the valve body, the number of the through holes is N, a cavity is formed in the valve body, the valve plate 10 is arranged in the cavity in the valve body, the number of the valve holes is M, the axes of the valve holes and the axes of the through holes are parallel to each other, the driving mechanism is arranged at one end of the valve body, the valve plate 10 is linked with the output end of the driving mechanism, the diameter of each through hole is R, the diameter of each valve hole is R, the hole edge distance between every two adjacent through holes is D, N is not less than 2, N is not less than M, and D is not less than R.

Referring to fig. 2 and 3, fig. 2 is a schematic diagram illustrating an overall structure of a pneumatic gate valve according to a first embodiment of the present invention after removing an upper cover plate 2, and fig. 3 is a schematic diagram illustrating a top view structure of the pneumatic gate valve according to the first embodiment of the present invention; in foretell branch pneumatic push-pull valve, as preferred scheme, the valve body is including upper cover plate 2, lower apron 3, tailboard 1 and mounting panel 14, and upper cover plate 2 sets up with apron 3 down relatively, and both sides limit all can be dismantled and connect, and tailboard 1 and mounting panel 14 can be dismantled respectively and be connected at upper cover plate 2 and apron 3 both ends down, and actuating mechanism installs on mounting panel 14, has all seted up N through-hole on upper cover plate 2 and the apron 3 down, and upper cover plate 2 is just to setting up each other with N through-hole on the apron 3 down.

Referring to fig. 4 and 5, fig. 4 and 5 are schematic structural diagrams of a cross section a-a of the gate valve in a state of right side opening and left side opening; in the pneumatic slide valve of branch described above, as the preferred scheme, the lower surface of the upper cover plate 2 is provided with a first upper barrier strip 4 and a second upper barrier strip 9, the first upper barrier strip 4 and the second upper barrier strip 9 are respectively located at two sides of the N through holes, the upper surface of the lower cover plate 3 is provided with a first lower barrier strip 16 and a second lower barrier strip 21, the first lower barrier strip 16 and the second lower barrier strip 21 are respectively located at two sides of the N through holes, the first upper barrier strip 4 and the first lower barrier strip 16 are arranged right opposite to each other, the second upper barrier strip 9 and the second lower barrier strip 21 are arranged right opposite to each other, and certain gaps are respectively arranged between the first upper barrier strip 4 and the first lower barrier strip 16 and between the second upper barrier strip 9 and the second lower barrier strip 21.

In the above pneumatic gate valve, as a preferred scheme, an upper pressure plate 5, an upper elastomer support 6 and an upper hard wear plate 8 are arranged between a first upper barrier 4 and a second upper barrier 9, a lower pressure plate 18, a lower elastomer support 19 and a lower hard wear plate 20 are arranged between a first lower barrier 16 and a second lower barrier 21, the upper surface of the upper pressure plate 5 is in contact connection with an upper cover plate 2, the lower surface of the lower pressure plate 18 is in contact connection with a lower cover plate 3, the upper pressure plate 5, the upper elastomer support 6 and the upper hard wear plate 8 are in sequential contact connection from top to bottom, the lower pressure plate 18, the lower elastomer support 19 and the lower hard wear plate 20 are in sequential contact connection from bottom to top, a valve plate 10 is located between the upper hard wear plate 8 and the lower hard wear plate 20 and is respectively in sliding connection with the upper hard wear plate 8 and the lower hard wear plate 20, the upper pressure plate 5, the upper elastomer support 6, the upper hard wear plate 8, the lower hard wear plate 20 and the upper hard wear plate 10 are respectively in sliding connection with the upper hard wear plate 8, N through holes corresponding to the valve body are formed in the lower pressure plate 18, the lower elastomer support 19 and the lower hard wear plate 20.

The branch that foretell embodiment provided is to pneumatic push-pull valve is provided with upper cover plate 2 and lower apron 3, and upper cover plate 2 and lower apron 3 are provided with last elastomer support 6 and last stereoplasm antifriction plate 8 and lower elastomer support 19 and lower stereoplasm antifriction plate 20 respectively, and it is inseparable to make valve plate 10 both sides laminating through pressure, and the gas tightness is better, and the material transport chamber is unanimous with the pipeline size, can not stock, does not use the gyro wheel, improves wear resistance simultaneously, increase of service life.

In the pneumatic gate valve of branch above, as preferred scheme, actuating mechanism includes cylinder 15, and cylinder 15 installs on mounting panel 14, and the piston rod 25 and the mounting panel 14 sliding connection of cylinder 15, and inwards pass mounting panel 14 and link with valve plate 10, and valve plate 10 one end is provided with connecting block 11, and connecting block 11 is articulated with the piston rod 25 tip of cylinder 15.

In a preferred embodiment, the connecting block 11 is connected with the output end of the driving mechanism through a joint bearing 13, and the connecting block 11 is hinged with the joint bearing 13 through a pin shaft 12.

As a preferred embodiment, the driving mechanism may use an electric cylinder or a hydraulic cylinder.

In foretell branch pneumatic push-pull valve, as preferred scheme, be equipped with first strake 22 and second strake 23 respectively between upper cover plate 2 and the 3 both sides of lower cover plate, upper cover plate 2 upper surface can be dismantled and be connected with upper flange 7, and lower cover plate 3 lower surface can be dismantled and be connected with lower flange 17, all seted up on upper flange 7 and the lower flange 17 a N through-hole that corresponds with the valve body.

As shown in fig. 1 to 5, in the pneumatic gate valve, preferably, the number of the through holes of the valve body is two, namely, the first through hole 24 and the second through hole 26, the number of the valve holes is one, namely, the first valve hole 33, and the diameters of the first through hole 24, the second through hole 26 and the first valve hole 33 are the same, that is, N is 2, and M is 1. The distance between the second through hole 26 and the first upper barrier strip 4 is marked as B, the distance between the first through hole 24 and the second upper barrier strip 9 is marked as C, and B is greater than r and C is greater than r.

In the above embodiment, the present invention forms two material channels to the upper cover plate 2, the upper pressure plate 5, the upper elastomer support 6, the upper hard wear plate 8, the lower hard wear plate 20, the lower elastomer support 19, the lower pressure plate 18, and the first through hole 24 and the second through hole 26 on the lower cover plate 3 of the pneumatic gate valve, as shown in fig. 4, when the valve plate 10 is in the right-side open state, the first valve hole 33 on the valve plate 10 is aligned with the first through hole 24, and the material channels on the right side are all in the open state; as shown in fig. 5, when the cylinder 15 drives the valve plate 10 to move to the left, the first valve hole 33 on the valve plate 10 is aligned with the second through hole 26, and at this time, the left material channels are both in an open state; when the cylinder 15 drives the valve plate 10 to move and the first valve hole 33 moves to a position between the first through hole 24 and the second through hole 26, both the two material channels are in a closed state.

This embodiment can be opened and close 2n material passageway with n branch to picture peg valve control, reduce cost.

As a preferred embodiment of the present invention, referring to fig. 4, 5 and the similar structure of fig. 10, slightly modified, two holes, i.e. a first valve hole 33 and a second valve hole 34, are designed on the valve plate 10, so that when the first valve hole 33 on the valve plate 10 is aligned with the first through hole 24, the second valve hole 34 is completely staggered from the second through hole 26, and at this time, the right material channel is in an open state, and the left material channel is in a closed state. When the cylinder 15 drives the valve plate 10 to move to the stroke limit, the first valve hole 33 on the valve plate 10 is completely staggered with the first through hole 24, the second valve hole 34 is aligned with the second through hole 26, at the moment, the left material channel is in an open state, and the right material channel is in a closed state, so that multiple control is realized.

Go up stereoplasm antifriction plate 8 and lower stereoplasm antifriction plate 20 and valve plate 10 laminating closely, when valve plate 10 started to move to the closed position by the position that switches on, the valve opening with last stereoplasm antifriction plate 8 and down form transient space between the stereoplasm antifriction plate 20, inside has the temporary stock, but when valve plate 10 moved back initial position that switches on again, the stock in the space again was pulled out and falls into material passageway.

When using first strake 22 and second strake 23 in-process, when last stereoplasm antifriction plate 8 and stereoplasm antifriction plate 20 wearing and tearing are too much, when producing the space with valve plate 10, can remove first strake 22 and second strake 23, reduce the distance between upper cover plate 2 and the lower apron 3, make upper stereoplasm antifriction plate 8 and lower stereoplasm antifriction plate 20 with valve plate 10 laminate closely again, increase of service life.

Referring to fig. 8, 9 and 10, fig. 8, 9 and 10 are schematic structural views of a pneumatic gate valve according to a second embodiment of the present invention; in the pneumatic gate valve, preferably, the number of the through holes of the valve body is two, namely the first through hole 24 and the second through hole 26, the number of the valve holes is two, namely the first valve hole 33 and the second valve hole 34, namely N ═ M ═ 2, the hole edge distance between the first valve hole 33 and the second valve hole 34 is D, wherein D ≧ R ═ R. The distance between the second through hole 26 and the first upper barrier strip 4 is marked as B, the distance between the first through hole 24 and the second upper barrier strip 9 is marked as C, and B is greater than r and C is greater than r.

In the above embodiment, the present invention forms two material channels to the upper cover plate 2, the upper pressure plate 5, the upper elastomer support 6, the upper hard wear plate 8, the lower hard wear plate 20, the lower elastomer support 19, the lower pressure plate 18, and the first through hole 24 and the second through hole 26 on the lower cover plate 3 of the pneumatic gate valve, and when the valve plate 10 is in the middle position, the first valve hole 33 and the second valve hole 34 are in semi-conductive state with the first through hole 24 and the second through hole 26, respectively; when the valve plate 10 moves to the right by 0.5r distance, the first valve hole 33 is opposite to the first through hole 24, the second valve hole 34 is completely staggered with the second through hole 26, and when the right channel is in a completely opened state, the left channel is in a completely closed state; when the valve plate 10 moves a distance r to the right, the first valve hole 33 and the first through hole 24, the second valve hole 34 and the second through hole 26 are completely staggered, and the right channel and the left channel are completely closed. When the valve plate 10 moves 0.5r distance to the left from the middle position, the first valve hole 33 is completely staggered with the first through hole 24, the second valve hole 34 is opposite to the second through hole 26, and when the left channel is in a completely opened state, the right channel is in a completely closed state; when the valve plate 10 moves a distance r to the left, the first valve hole 33 and the first through hole 24, the second valve hole 34 and the second through hole 26 are completely staggered, and the right-side passage and the left-side passage are completely closed.

In the above embodiment, the driving mechanism needs to use an electric cylinder.

Referring to fig. 11, fig. 11 is a schematic cross-sectional structure view of a third implementation of the pneumatic gate valve according to the embodiment of the present disclosure; in the pneumatic gate valve, preferably, the number of the through holes of the valve body is two, namely the first through hole 24 and the second through hole 26, the number of the valve holes is two, namely the first valve hole 33 and the second valve hole 34, namely N-M-2, and the hole edge distance between the first valve hole 33 and the second valve hole 34 is D, wherein D is not less than 2R, R is 1.5R, and D-R. The distance between the second through hole 26 and the first upper barrier strip 4 is marked as B, and the distance between the first through hole 24 and the second upper barrier strip 9 is marked as C, wherein B is more than 1.5r, and C is more than 1.5 r.

In the above embodiment, when the valve plate 10 is in the intermediate position, the first valve hole 33 and the second valve hole 34 are in the fully conductive state with the first through hole 24 and the second through hole 26, respectively; when the valve plate 10 moves to the right by a distance of r, the first valve hole 33 is completely communicated with the first through hole 24, the second valve hole 34 is completely staggered with the second through hole 26, and when the right channel is in a completely opened state, the left channel is in a completely closed state; when the valve plate 10 moves a distance r to the right, the first valve hole 33 and the first through hole 24, the second valve hole 34 and the second through hole 26 are completely staggered, and the right channel and the left channel are completely closed. When the valve plate 10 moves a distance r from the middle position to the left side, the first valve hole 33 is completely staggered with the first through hole 24, the second valve hole 34 is completely communicated with the second through hole 26, and when the left side channel is in a completely opened state, the right side channel is in a completely closed state; when the valve plate 10 moves a distance r to the left, the first valve hole 33 and the first through hole 24, the second valve hole 34 and the second through hole 26 are completely staggered, and the right-side passage and the left-side passage are completely closed.

In the above embodiment, the driving mechanism needs to use an electric cylinder.

In other embodiments of the present invention, the number of the through holes may be three, four or more, and the hole pitch may also be various combinations, which are flexible and changeable, and all of which belong to the technical scope disclosed in the present invention.

Referring to fig. 6, fig. 6 is a schematic structural diagram of a pneumatic gate valve assembly system according to an embodiment of the present invention; according to an embodiment of the invention, the invention further provides a directional pneumatic gate valve group system, which comprises at least two gate valves, namely a first gate valve and a second gate valve, wherein the first gate valve and the second gate valve are of different structures, each through hole of the first gate valve is provided with a discharge pipe, the lower end of each discharge pipe is provided with at least two branch pipes, and the branch pipes are respectively communicated with the through holes of the second gate valve.

In the pneumatic gate valve group system, as a preferred scheme, the number of the through holes of the first gate valve is two, the through holes are respectively a first through hole 24 and a second through hole 26, the first through hole 24 and the second through hole 26 are respectively communicated with a first discharging pipe 31 and a second discharging pipe 32, the tail end of the first discharging pipe 31 is provided with a first branch pipe 3101 and a second branch pipe 3102 which are communicated with each other, the tail end of the second discharging pipe 32 is provided with a third branch pipe 3201 and a fourth branch pipe 3202 which are communicated with each other, the number of the through holes of the second gate valve is four, and the first branch pipe 3101, the second branch pipe 3102, the third branch pipe 3201 and the fourth branch pipe 3202 are respectively communicated with the four through holes of the second gate valve.

When there are four material channels, namely the first branch pipe 3101, the second branch pipe 3102, the third branch pipe 3201 and the fourth branch pipe 3202, two gate valves can be used in cooperation, the second gate valve is provided with four material channels, the valve plate 10 is provided with two valve holes to select two from four, and the first gate valve uses the gate valves shown in the previous figures 1 to 5, so that any one of the four channels can be opened at the same time.

Referring to fig. 7, fig. 7 is a schematic structural diagram of a pneumatic spile valve control system according to an embodiment of the present invention; according to an embodiment of the present invention, the present invention further provides a directional pneumatic gate valve control system, which includes the above gate valve or the above valve bank system, and further includes a plurality of bins 30, a plurality of level meters 29, a controller 28 and electromagnetic valves 27, wherein the output end of the gate valve or the valve bank system is respectively connected to the plurality of bins 30, each bin 30 is provided with a level meter 29, the output end of the level meter 29 is connected to the controller 28, the control signal output end of the controller 28 is electrically connected to the control end of the electromagnetic valve 27, the electromagnetic valve 27 is used for controlling the cylinder 15 to move, and the cylinder 15 is the cylinder 15 of the gate valve or the valve bank system. The controller 28 can be placed in a junction box, a plurality of terminals are arranged outside the junction box, the terminals are electrically connected with pins of the controller inside the junction box, and the controller is a single chip microcomputer or a PLC. The single chip microcomputer or the PLC control electromagnetic valve belongs to a common control mode, and the control principle is not repeated.

The solenoid valve 27 is preferably a three-position, five-way solenoid directional valve.

The branch pneumatic gate valve provided by the invention can also be matched with the electromagnetic valve 27 to automatically give feedback according to signals sent by the sensor, so that automatic control is realized. The terminal in the junction box recognizes the signal sent by the level indicator 29 and controls the electromagnetic valve 27 according to the signal, thereby controlling the operation of the air cylinder 15, opening the channel to be opened and realizing automatic control.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing detailed description of the embodiments of the present invention has been presented for purposes of illustration and description, and is intended to be exemplary only and is not intended to be exhaustive or to limit the invention to the precise forms disclosed; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.