CN216383612U - Pneumatic control system of two-stage electromagnetic valve of bidirectional pneumatic door - Google Patents
Pneumatic control system of two-stage electromagnetic valve of bidirectional pneumatic door Download PDFInfo
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- CN216383612U CN216383612U CN202123038598.8U CN202123038598U CN216383612U CN 216383612 U CN216383612 U CN 216383612U CN 202123038598 U CN202123038598 U CN 202123038598U CN 216383612 U CN216383612 U CN 216383612U
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Abstract
The utility model discloses a pneumatic control system of a two-stage electromagnetic valve of a bidirectional pneumatic valve, which is characterized by comprising an air source joint, a manual air source main valve, an air source filtering two-linkage cup, an air pressure instant attenuation buffer distributor, a branch electromagnetic main valve, an air cylinder control electromagnetic directional valve, a pipe joint and a quick exhaust valve, wherein the air source filtering two-linkage cup is connected with the air pressure instant attenuation buffer distributor which is connected with the branch electromagnetic main valve, and the branch electromagnetic main valve is connected with the quick exhaust valve through the pipe joint on the air cylinder control electromagnetic directional valve. The utility model can control the door closing and opening of the bidirectional cylinder, and provides guarantee for the stable operation of the bidirectional pneumatic door; the design of the branch electromagnetic main valve enables the used cylinder control electromagnetic directional valve to use various specifications; the device has the characteristics of less pressure attenuation of an air source, simple design, convenience in installation, stability in control, low failure rate, wide application range and the like, and can be used as control equipment for coal flows of an upper inlet, a lower outlet and the like of a coal feeder of a coal conveying system of a thermal power plant.
Description
Technical Field
The utility model relates to a gas circuit control system of a pneumatic door, in particular to a gas circuit control system of a bidirectional four-wheel-drive pneumatic door.
Background
In industrial production, a bidirectional pneumatic door for controlling material flow is usually used, and the existing bidirectional pneumatic door is basically a gas path control system of a one-way one-drive pneumatic door. For example, in industries such as coal conveying systems of thermal power plants, raw material conveying systems of chemical plant powder or granular materials, etc., bidirectional pneumatic doors for controlling material flow are used. The one-way one-driving pneumatic door for controlling material flow in the prior art has the advantages of small power, long opening and closing time, high failure rate and easy occurrence of blocking phenomenon.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a pneumatic control system of a two-stage electromagnetic valve of a bidirectional pneumatic door, which realizes the control of opening and closing an air path of the bidirectional four-wheel-drive bidirectional pneumatic door.
The utility model comprises a plug board and an air cylinder, and is characterized by also comprising an air source joint, a manual air source master valve, an air source filtering duplex cup, an air pressure instant attenuation buffer distributor, a branch electromagnetic master valve, an air cylinder control electromagnetic directional valve, a pipe joint and a quick exhaust valve; the air source pipe joint is connected with the front end of a manual air source main valve, the rear end of the manual air source main valve is connected with an air source filtering two-link cup, the air source filtering two-link cup is connected with an air pressure instant attenuation buffer distributor, and the air pressure instant attenuation buffer distributor is provided with two paths of air outlets which are respectively connected with an A side branch electromagnetic main valve and a B side branch electromagnetic main valve; the side A branch electromagnetic main valve and the side B branch electromagnetic main valve are respectively connected with a side A cylinder control electromagnetic directional valve and a side B cylinder control electromagnetic directional valve; the side A cylinder control electromagnetic reversing valve is connected with a side A first pipe joint and a side A second pipe joint, the side A first pipe joint is connected with a side A first quick-release valve and a side A second quick-release valve of a side A cylinder, and the side A second pipe joint is connected with a side A third quick-release valve and a side A fourth quick-release valve of the side A cylinder; the B side cylinder control electromagnetic directional valve is connected with a first pipe joint at the B side and a first pipe joint at the B side, the first pipe joint at the B side is connected with a first quick exhaust valve at the B side and a second quick exhaust valve at the B side of the B side cylinder 5, and the second pipe joint at the B side is connected with a third quick exhaust valve at the B side and a fourth quick exhaust valve at the B side of the B side cylinder 5.
The air source filtering duplex cup comprises a pressure regulating device, a filtering device and an air cylinder atomizing device.
The side A cylinder control electromagnetic directional valve and the side B cylinder control electromagnetic directional valve are 2-position 5-way or 3-position 5-way electromagnetic directional valves.
According to the technical scheme, the utility model has the following beneficial effects: the door closing and opening of the bidirectional cylinder can be controlled, so that the stable operation of the bidirectional pneumatic door is guaranteed, and the operation state of the bidirectional pneumatic door is stabilized; the design of the branch electromagnetic main valve enables the used cylinder control electromagnetic directional valve to use various specifications, does not influence the use of a pneumatic door, and simultaneously eliminates the occurrence of the fault of inserting plate return caused by the fault of the cylinder control electromagnetic directional valve; the pneumatic control valve has the characteristics of less pressure attenuation of an air source, simple design, convenience in installation, stability in control, low failure rate, wide application range and the like, can be used as control equipment for coal flows of an upper inlet, a lower outlet and the like of a coal feeder of a coal conveying system of a thermal power plant, and can also be widely used for air path control of a bidirectional pneumatic valve of a particle and powder material conveying pipeline in the industries of coal, chemical engineering, metallurgy, coal-fired power plants, food and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure, 1, a bidirectional pneumatic door, 2, a side plug board, 3, a side plug board, 4, a side cylinder and 5, a side cylinder are arranged;
10. the system comprises an air source connector, 20 manual air source main valves, 30 air source filtering duplex cups, 301 pressure regulating devices, 302 filtering devices, 303 air cylinder atomizing devices, 40 air pressure instant attenuation buffer distributors, 501 side branch electromagnetic main valves, 502 side branch electromagnetic main valves, 601 side air cylinder control electromagnetic reversing valves, 602 side air cylinder control electromagnetic reversing valves, and a controller, wherein the air cylinder control electromagnetic reversing valves are arranged on the air cylinder;
701, a side first pipe joint, 702, a side second pipe joint, 703, a side first pipe joint, 704, a side second pipe joint; 801.A side first quick-release valve, 802.A side second quick-release valve, 803.A side third quick-release valve, 804. A side fourth quick-release valve, 901.B side first quick-release valve, 902.B side second quick-release valve, 903.B side third quick-release valve, 904.B side fourth quick-release valve.
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.
As shown in fig. 1, the bidirectional pneumatic door 1 of the present invention includes an a-side inserting plate 2 and a B-side inserting plate 3, wherein the a-side inserting plate 2 connects two a-side cylinders 4, the B-side inserting plate 3 connects two B-side cylinders 5, and there are 4 cylinders with the same structure and performance.
The utility model comprises an air source joint 10, a manual air source main valve 20, an air source filtering duplex cup 30, an air pressure instant attenuation buffer distributor 40, a branch electromagnetic main valve, an air cylinder control electromagnetic directional valve, a pipe joint and a quick discharge valve. The air source pipe joint 10 is connected with the front end of a manual air source main valve 20, and the manual air source main valve 20 controls the air source of the whole pipeline system. The rear end of the manual air source main valve 20 is connected with an air source filtering duplex cup 30. The gas source filtering duplex cup 30 comprises a pressure regulating device 301, a filtering device 302 and a cylinder atomizing device 303, and can adjust the pressure of gas, filter water and spray the lubricating and atomizing oil of a gas cylinder, so that the gas can meet the operation requirements of the cylinder 4 at the A side and the cylinder 5 at the B side.
The air source filtering duplex cup 30 is connected with an air pressure instant attenuation buffer distributor 40. The gas is filtered by the pressure regulating of the gas source filtering duplex cup 30 and carries the cylinder atomized oil into the air pressure instant attenuation buffer distributor 40.
The air pressure instant attenuation buffer distributor 40 is provided with two paths of air outlets which are respectively connected with an A-side branch electromagnetic main valve 501 and a B-side branch electromagnetic main valve 502. The side-A branch electromagnetic main valve 501 and the side-B branch electromagnetic main valve 502 are respectively connected with a side-A cylinder control electromagnetic directional valve 601 and a side-B cylinder control electromagnetic directional valve 602, and control the air source of each air pipe, so as to provide protection for realizing automatic control of the pneumatic valve switch and reducing the pneumatic valve faults.
Meanwhile, the air pressure instant attenuation buffer distributor 40 also has the function of stabilizing air pressure, when the A-side branch electromagnetic main valve 501, the A-side cylinder control electromagnetic directional valve 601, the B-side branch electromagnetic main valve 502 and the B-side cylinder control electromagnetic directional valve 602 operate simultaneously, the air pressure of the pipeline is attenuated instantly, the air pressure instant attenuation buffer distributor 40 can provide the instantly attenuated air pressure, the purpose of stabilizing the pressure is achieved, a stable pressure air source is provided for the air cylinders at two sides, and the A-side inserting plate 2 and the B-side inserting plate 3 of the bidirectional pneumatic door 1 operate stably.
Because the branch electromagnetic main valve is installed, the A-side cylinder control electromagnetic directional valve 601 and the B-side cylinder control electromagnetic directional valve 602 can adopt various specifications such as 2-position 5-way or 3-position 5-way, and the voltage grade of the coil of the electromagnetic directional valve can be 220VAC or 24 VDC. When the cylinder controls the electromagnetic directional valve to be electrified, the branch electromagnetic main valve simultaneously opens the air supply, and when the power failure occurs, the branch electromagnetic main valve closes the air supply, so that the influence of the electromagnetic directional fault of the cylinder controlling the electromagnetic directional valve on the pneumatic door can be eliminated, and the pneumatic door can run more stably.
Each cylinder has two inlet ports, and 1 set of fast exhaust valve (quick discharge valve) is installed to each inlet port, and 8 sets of fast exhaust valves in total, namely, a side A first fast exhaust valve 801, a side A second fast exhaust valve 802, a side A third fast exhaust valve 803, a side A fourth fast exhaust valve 804, a side B first fast exhaust valve 901, a side B second fast exhaust valve 902, a side B third fast exhaust valve 903, and a side B fourth fast exhaust valve 904.
A side cylinder control solenoid directional valve 601 connect the first coupling 701 of A side, A side second coupling 702, the first coupling 701 of A side connect the first fast valve 801 of the A side of A side cylinder 4, A side second fast valve 802 of arranging, gas gets into A side cylinder 4 through fast valve, realizes closing of A side picture peg 2, A side second coupling 702 connect A side third fast valve 803, the fourth fast valve 804 of a side of A side cylinder 4, gas gets into A side cylinder 4 through fast valve, realizes opening of A side picture peg 2.
The B side cylinder control electromagnetic directional valve 602 is connected with a B side first pipe joint 703 and a B side second pipe joint 704, the B side first pipe joint 703 is connected with a B side first quick exhaust valve 901 and a B side second quick exhaust valve 902 of a B side cylinder 5, gas enters the B side cylinder 5 through the quick exhaust valves to close the B side plugboard 3, the B side second pipe joint 704 is connected with a B side third quick exhaust valve 903 and a B side fourth quick exhaust valve 904 of the B side cylinder 5, and gas enters the B side cylinder 5 through the quick exhaust valves to open the B side plugboard 3.
And gas enters the cylinder through the quick discharge valve to realize the opening and closing of the bidirectional pneumatic door. The quick exhaust valve plays a role in quick exhaust, reduces resistance of air pressure at the front end of the cylinder piston in the movement process, enables the cylinder to operate more flexibly, has small reverse pressure difference at two sides of the cylinder piston in a stop state, cannot enable the bidirectional pneumatic door 1 to operate in a reverse direction after the cylinder piston is in place, and reduces faults of the bidirectional pneumatic door 1.
The working principle is as follows: the two-way pneumatic door is started to be opened or closed, the corresponding branch electromagnetic main valve and the cylinder control electromagnetic reversing valve coil are started simultaneously, the electromagnetic reversing valve coil is electrified, the side A cylinder control electromagnetic reversing valve 601 and the side B cylinder control electromagnetic reversing valve 602 are reversed simultaneously, gas enters the cylinder through the quick exhaust valve at one end, the quick exhaust valve at the other end of the cylinder is started to quickly exhaust gas to reduce the resistance of a piston of the cylinder, the two cylinders on the same side run synchronously, and the two-way pneumatic door 1 is quickly and stably operated in place. After the plug board is in place, the air cylinder controls the electromagnetic directional valve to automatically lose power, the branch electromagnetic main valve is automatically closed, air is not supplied to the air cylinder any more, and the plug board is kept unchanged at the opening or closing position.
Claims (3)
1.A pneumatic control system of a two-stage electromagnetic valve of a bidirectional pneumatic door comprises an A-side plugboard and a B-side plugboard, wherein the A-side plugboard is connected with two A-side cylinders, and the B-side plugboard is connected with two B-side cylinders; the gas source joint (10) is connected with the front end of a manual gas source main valve (20), the rear end of the manual gas source main valve (20) is connected with a gas source filtering duplex cup (30), the gas source filtering duplex cup (30) is connected with a gas pressure instant attenuation buffer distributor (40), and the gas pressure instant attenuation buffer distributor (40) is provided with two paths of gas outlet which are respectively connected with an A side branch electromagnetic main valve (501) and a B side branch electromagnetic main valve (502); the branch electromagnetic master valve (501) of the side A and the branch electromagnetic master valve (502) of the side B are respectively connected with a cylinder control electromagnetic directional valve (601) of the side A and a cylinder control electromagnetic directional valve (602) of the side B; the A-side cylinder control electromagnetic directional valve (601) is connected with an A-side first pipe joint (701) and an A-side second pipe joint (702), the A-side first pipe joint (701) is connected with an A-side first quick exhaust valve (801) and an A-side second quick exhaust valve (802) of an A-side cylinder (4), and the A-side second pipe joint (702) is connected with an A-side third quick exhaust valve (803) and an A-side fourth quick exhaust valve (804) of the A-side cylinder (4); the B side cylinder control electromagnetic directional valve (602) is connected with a first pipe joint (703) at the B side and a second pipe joint (704) at the B side, the first pipe joint (703) at the B side is connected with a first quick exhaust valve (901) at the B side and a second quick exhaust valve (902) at the B side of the B side cylinder (5), and the second pipe joint (704) at the B side is connected with a third quick exhaust valve (903) at the B side and a fourth quick exhaust valve (904) at the B side of the B side cylinder (5).
2. The pneumatic control system of a two-stage solenoid valve of a bi-directional pneumatic valve as set forth in claim 1, wherein: the air source filtering duplex cup (30) comprises a pressure regulating device (301), a filtering device (302) and an air cylinder atomizing device (303).
3. The pneumatic control system of a two-stage solenoid valve of a bi-directional pneumatic valve as set forth in claim 1, wherein: the A-side cylinder control electromagnetic directional valve (601) and the B-side cylinder control electromagnetic directional valve (602) are 2-position 5-way or 3-position 5-way electromagnetic directional valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123038598.8U CN216383612U (en) | 2021-12-06 | 2021-12-06 | Pneumatic control system of two-stage electromagnetic valve of bidirectional pneumatic door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123038598.8U CN216383612U (en) | 2021-12-06 | 2021-12-06 | Pneumatic control system of two-stage electromagnetic valve of bidirectional pneumatic door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216383612U true CN216383612U (en) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123038598.8U Active CN216383612U (en) | 2021-12-06 | 2021-12-06 | Pneumatic control system of two-stage electromagnetic valve of bidirectional pneumatic door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216383612U (en) |
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2021
- 2021-12-06 CN CN202123038598.8U patent/CN216383612U/en active Active
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