CN220791629U - Anti-blocking fan-shaped valve gas circuit system - Google Patents
Anti-blocking fan-shaped valve gas circuit system Download PDFInfo
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- CN220791629U CN220791629U CN202322471831.4U CN202322471831U CN220791629U CN 220791629 U CN220791629 U CN 220791629U CN 202322471831 U CN202322471831 U CN 202322471831U CN 220791629 U CN220791629 U CN 220791629U
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- 238000004519 manufacturing process Methods 0.000 abstract description 6
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- 238000007599 discharging Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses an anti-blocking sector valve gas circuit system which comprises a three-position five-way air-operated reversing valve and a cylinder, wherein an air inlet of the three-position five-way air-operated reversing valve is connected with a main air pipe, and a A, B interface of the three-position five-way air-operated reversing valve is connected with an air inlet and an air return port of the cylinder through a first branch pipe and a second branch pipe respectively; the first branch pipe and the second branch pipe are respectively provided with a first wide ball valve and a second wide ball valve; the first branch pipe is also connected with an exhaust pipe, and a fourth wide ball valve is arranged on the exhaust pipe; a third branch pipe is connected between the main air pipe and the second branch pipe, and a third wide ball valve is arranged on the third branch pipe. The fan-shaped valve air path system is optimized, so that the fan-shaped valve is simple, low in cost and high in efficiency, the blocking of the fan-shaped valve is avoided, the occurrence frequency of material leakage caused by the fact that a leading switch is not closed in the discharging process is reduced, and the loss of raw materials in the production process is reduced.
Description
Technical Field
The utility model relates to the technical field of air channel systems for driving a sector valve to open and close by an air cylinder, in particular to an air channel system for an anti-blocking sector valve.
Background
The sector valve is applied to control of closing of a discharge opening switch in a metallurgical production line. As shown in fig. 1, the original system controls the actuating cylinder of the sector valve by controlling the three-position five-way air-operated reversing valve, and the initial state of the actuating cylinder is normally open. When the blanking is needed, the air valve is controlled by the electromagnetic relay to give a closing instruction to the air cylinder, the piston rod of the air cylinder is contracted, the sector valve is opened, and the blanking is started. When the blanking is required to be stopped, the air valve is controlled by the electromagnetic relay to give an opening instruction to the air cylinder, the piston rod of the air cylinder stretches out, the sector valve is closed, and the blanking is stopped.
The prior art has the defects that: the technology has no emergency treatment device and has great potential safety hazard. When the cylinder fails:
when the sector valve is not opened: the blanking can not be performed, so that the production line is stopped in an emergency, and the production benefit is seriously influenced;
when the sector valve is not closed: the leakage is caused, the life safety of production personnel below the sector valve is endangered, and a great potential safety hazard exists.
Therefore, we propose an anti-seize sector valve gas circuit system.
Disclosure of Invention
The utility model aims to provide an anti-blocking fan valve gas circuit system so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the air circuit system of the anti-seize sector valve comprises a three-position five-way air-operated directional valve and an air cylinder, wherein an air inlet of the three-position five-way air-operated directional valve is connected with a main air pipe, and a A, B interface of the three-position five-way air-operated directional valve is connected with an air inlet and an air return port of the air cylinder through a first branch pipe and a second branch pipe respectively;
the first branch pipe and the second branch pipe are respectively provided with a first wide ball valve and a second wide ball valve;
the first branch pipe is also connected with an exhaust pipe, and a fourth wide ball valve is arranged on the exhaust pipe;
and a third branch pipe is connected between the main air pipe and the second branch pipe, and a third wide ball valve is arranged on the third branch pipe.
The utility model further comprises a PLC controller and a relay, wherein the three-position five-way pneumatic reversing valve, the first wide ball valve, the second wide ball valve, the third wide ball valve and the fourth wide ball valve are respectively connected with the PLC controller through the relay.
The utility model combines the current situation, actively tries and continuously tries, and improves the original system. Through researches, a set of simple, direct and high-reliability pneumatic valve protection device is added under the condition of maintaining the original system.
a. Based on the original electric control and high precision valve body, a set of pneumatic valve control system is connected in parallel;
b. the reliable mechanical ball valve connection is adopted, so that the system can be directly interfered by manpower independently;
c. when equipment failure occurs, the original system is skipped, and the discharge valve is closed through manual operation of the protection device.
Compared with the prior art, the utility model has the beneficial effects that: the fan-shaped valve air path system is optimized, so that the fan-shaped valve is simple, low in cost and high in efficiency, the blocking of the fan-shaped valve is avoided, the occurrence frequency of material leakage caused by the fact that a leading switch is not closed in the discharging process is reduced, and the loss of raw materials in the production process is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of an original system;
fig. 2 is a schematic structural view of the present utility model.
In the figure: 1. a main air pipe; 2. a fourth wide ball valve; 3. a first branch pipe; 4. a second branch pipe; 5. a cylinder; 6. three-position five-way pneumatic reversing valve; 7. a third branch pipe; 8. a third wide ball valve; 9. a first wide ball valve; 10. a second wide ball valve; 11. and an exhaust pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, an anti-seize sector valve air circuit system comprises a three-position five-way air-operated directional valve 6 and an air cylinder 5, wherein an air inlet of the three-position five-way air-operated directional valve 6 is connected with a main air pipe 1, and a A, B interface of the three-position five-way air-operated directional valve 6 is connected with an air inlet and an air return opening of the air cylinder 5 through a first branch pipe 3 and a second branch pipe 4 respectively;
the actuating cylinder (namely, the cylinder 5) of the sector valve is controlled by controlling the three-position five-way pneumatic reversing valve 6, and the initial state of the cylinder 5 is normally open. When the blanking is needed, the three-position five-air reversing valve 6 is controlled by the electromagnetic relay to give a closing instruction to the air cylinder 5, the piston rod of the air cylinder 5 is contracted, the sector valve is opened, and the blanking is started. When the blanking is required to be stopped, the three-position five-air-movement reversing valve 6 is controlled by the electromagnetic relay to give an opening instruction to the air cylinder 5, the piston rod of the air cylinder 5 stretches out, the sector valve is closed, and the blanking is stopped.
Referring to fig. 2, the present utility model provides a technical solution: the air circuit system of the anti-seize sector valve comprises a three-position five-way air-operated directional valve 6 and an air cylinder 5, wherein an air inlet of the three-position five-way air-operated directional valve 6 is connected with a main air pipe 1, and a A, B interface of the three-position five-way air-operated directional valve 6 is respectively connected with an air inlet and an air return opening of the air cylinder 5 through a first branch pipe 3 and a second branch pipe 4;
in the three-position five-way air-operated directional valve 6, the port P is an air inlet, T is an air return port, and a and B are air inlets or air return ports of the actuator (cylinder 5).
A branch is connected in parallel between the main air pipe 1 and the rodless cavity of the air cylinder, a branch is connected in parallel between the three-position five-way air reversing valve 6 and the rod cavity of the air cylinder, and a wide ball valve is respectively connected with the two branches and A, B ports of the three-position five-way air reversing valve 6.
The first branch pipe 3 and the second branch pipe 4 are respectively provided with a first wide ball valve 9 and a second wide ball valve 10;
the first branch pipe 3 is also connected with an exhaust pipe 11, the exhaust pipe 11 is provided with a fourth wide ball valve 2, and the joint of the exhaust pipe 11 and the first branch pipe 3 is positioned between the cylinder 5 and the first wide ball valve 9.
A third branch pipe 7 is connected between the main air pipe 1 and the second branch pipe 4, a third wide ball valve 8 is arranged on the third branch pipe 7, and the joint of the third branch pipe 7 and the second branch pipe 4 is positioned between the air cylinder 5 and the second wide ball valve 10.
The anti-blocking fan-shaped valve gas circuit system further comprises a PLC controller and a relay, wherein the three-position five-way pneumatic reversing valve 6, the first wide ball valve 9, the second wide ball valve 10, the third wide ball valve 8 and the fourth wide ball valve 2 are respectively connected with the PLC controller through the relay.
Specifically, when the device is used, during normal operation, the third wide ball valve 8 and the fourth wide ball valve 2 are closed, and the first wide ball valve 9 and the second wide ball valve 10 are opened, namely, the expansion and the contraction of the piston rod of the cylinder 5 are directly controlled by the three-position five-way air-operated reversing valve 6 as in the prior system (shown in fig. 1).
When the equipment fails, the fourth wide ball valve 2 is opened firstly to exhaust the air cylinder 5, then the third wide ball valve 8 is opened, then the first wide ball valve 9 and the second wide ball valve 10 are closed, namely the original system is skipped, the expansion and contraction of the piston rods of the air cylinder 5 are controlled by the two ball valves of the third wide ball valve 8 and the fourth wide ball valve 2, and the discharge opening is closed to form another emergency protection loop.
1. The reliable wide ball valve connection is adopted, and a manual direct intervention system can be independently arranged. The problem that the discharge opening cannot be closed due to adhesion of an electric control circuit or failure of a valve member is avoided, and material leakage occurs is avoided.
2. The device easy operation has the license plate teaching on site, and when the trouble that the discharge opening can't be closed appears, the operation personnel can directly carry out emergency treatment through the instruction on the license plate, in time closes the discharge opening, has prevented the damage because of the large tracts of land hourglass material and the unloading equipment that in time closes the discharge opening and lead to.
3. The personal safety of pit bottom cleaning operation and machine repair equipment maintenance operation personnel is effectively protected. During the operation of the discharging pit, the discharging port can leak materials due to the adhesion of an electric control circuit or the failure of a valve, and considerable danger is brought to pit operators. After the system is added, the system can be opened first, so that personal safety of pit bottom cleaning operation and machine repair equipment maintenance operation personnel is guaranteed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an anti-sticking fan valve gas circuit system, includes three five air flow direction valves (6) and cylinder (5), the air inlet of three five air flow direction valves (6) is connected with main trachea (1), and A, B interface of three five air flow direction valves (6) is connected in the air inlet and the return air mouth of cylinder (5) through first branch pipe (3) and second branch pipe (4) respectively, its characterized in that: the first branch pipe (3) and the second branch pipe (4) are respectively provided with a first wide ball valve (9) and a second wide ball valve (10);
an exhaust pipe (11) is further connected to the first branch pipe (3), and a fourth wide ball valve (2) is arranged on the exhaust pipe (11);
a third branch pipe (7) is connected between the main air pipe (1) and the second branch pipe (4), and a third wide ball valve (8) is arranged on the third branch pipe (7).
2. The anti-seize sector valve air circuit system of claim 1, wherein: the connection part of the exhaust pipe (11) and the first branch pipe (3) is positioned between the air cylinder (5) and the first wide ball valve (9).
3. The anti-seize sector valve air circuit system of claim 1, wherein: the joint of the third branch pipe (7) and the second branch pipe (4) is positioned between the air cylinder (5) and the second wide ball valve (10).
4. The anti-seize sector valve air circuit system of claim 1, wherein: the three-position five-way pneumatic reversing valve comprises a PLC (programmable logic controller) and a relay, wherein the three-position five-way pneumatic reversing valve (6), a first wide ball valve (9), a second wide ball valve (10), a third wide ball valve (8) and a fourth wide ball valve (2) are respectively connected with the PLC through the relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322471831.4U CN220791629U (en) | 2023-09-12 | 2023-09-12 | Anti-blocking fan-shaped valve gas circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322471831.4U CN220791629U (en) | 2023-09-12 | 2023-09-12 | Anti-blocking fan-shaped valve gas circuit system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220791629U true CN220791629U (en) | 2024-04-16 |
Family
ID=90664558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322471831.4U Active CN220791629U (en) | 2023-09-12 | 2023-09-12 | Anti-blocking fan-shaped valve gas circuit system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220791629U (en) |
-
2023
- 2023-09-12 CN CN202322471831.4U patent/CN220791629U/en active Active
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