CN117662548A - Control system and control method for impact cylinder - Google Patents
Control system and control method for impact cylinder Download PDFInfo
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- CN117662548A CN117662548A CN202211031576.5A CN202211031576A CN117662548A CN 117662548 A CN117662548 A CN 117662548A CN 202211031576 A CN202211031576 A CN 202211031576A CN 117662548 A CN117662548 A CN 117662548A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000033001 locomotion Effects 0.000 claims abstract description 7
- 230000033764 rhythmic process Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention aims to provide a control system and a control method of impact cylinders, which realize the accurate control of each impact cylinder by using a set of control system for a plurality of impact cylinders; in order to achieve the above object, the present invention provides a control system for an impact cylinder, comprising: the control valve group is connected with the two-position five-way air control valve through an exhaust pipeline and controls the switching of an internal gas path of the two-position five-way air control valve, and the power gas busbar is connected with the two-position five-way air control valve through an exhaust pipeline and controls the movement of the cylinder; preferably, the air source is connected with the control air bus and the power air bus through an exhaust pipeline with a filter, and a pressure reducing valve is arranged on an exhaust pipeline connected with the air source and the control air bus.
Description
Technical Field
The invention relates to the technical field of pneumatic, in particular to an impact cylinder control system.
Background
An impact cylinder is a special pneumatic device that is used to provide a momentary impact force. The impact cylinders in the fields of coal chemical industry, petrochemical industry and the like are applied in a large number, and a plurality of impact cylinders work simultaneously on the same floor. The use requirement on each project site is to timely and accurately control each impact cylinder, and it is necessary to ensure that each impact cylinder can timely output impact force according to a designated time node. The cylinder used on various valves in the fields of coal chemical industry, petrochemical industry and the like is usually an independent set of gas circuit and circuit control system, and the cylinder on each valve uses an independent set of control system. If the cylinder control system on the reference valve would cause the impact cylinder on the project to apply many lines and equipment, excessive resource consumption would result.
CN207077735U discloses a cylinder control system, a safety protection device and an injection molding machine, comprising at least one cylinder for connecting a load, a pneumatic control one-way valve connected with a rod cavity of the cylinder, a three-position five-way electromagnetic valve connected with a rodless cavity of the cylinder and air sources respectively connected with the pneumatic control one-way valve and an air inlet of the three-position five-way electromagnetic valve, wherein an air inlet branch is arranged between an air outlet of the three-position five-way electromagnetic valve and the air inlet of the pneumatic control one-way valve, and the air inlet branch is additionally arranged between the air outlet of the three-position five-way electromagnetic valve and the air inlet of the pneumatic control one-way valve, so that the cylinder can pass through the air inlet branch in the air inlet and air outlet processes
CN211874846U, discloses a gas circuit control system, which is connected between a gas source and at least one cylinder, and comprises a first gas circuit pipeline and a second gas circuit pipeline; the first air passage pipeline is connected between the air source and at least one air cylinder and is used for controlling the shrinkage of a piston rod in the air cylinder through the electromagnetic valve when the air passage control system is in a first state; the second air passage pipeline is connected between the air source and at least one air cylinder and is used for controlling the expansion and contraction of a piston rod in at least one air cylinder through a manual reversing valve when the air passage control system is in a second state. The air path control system not only can control the expansion and contraction of the piston rod in the air cylinder when the electromagnetic valve is electrified, but also can control the expansion and contraction of the piston rod in the air cylinder after the electromagnetic valve is powered off.
None of the above control systems can take different precise control over multiple cylinders.
Therefore, the control system for the impact air cylinder is provided for the pneumatic technical field in a targeted manner, and a set of control system is used for each impact air cylinder on the same floor aiming at the impact air cylinder in the petrochemical industry and the coal chemical industry, so that the control system for each impact air cylinder is used for accurately controlling the impact air cylinder, and the control system is a technical problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a control system and a control method for impact cylinders, which realize the accurate control of each impact cylinder by using a set of control system for a plurality of impact cylinders.
In order to achieve the above object, the present invention provides a control system for an impact cylinder, comprising: the control valve group is connected with the two-position five-way air control valve through an exhaust pipeline and controls the switching of an internal gas path of the two-position five-way air control valve, and the power gas busbar is connected with the two-position five-way air control valve through an exhaust pipeline and controls the movement of the cylinder; preferably, the air source is connected with the control air bus and the power air bus through an exhaust pipeline with a filter, and a pressure reducing valve is arranged on an exhaust pipeline connected with the air source and the control air bus.
Further, a manual slide valve is arranged on an exhaust pipe line between the power gas busbar and the two-position five-way pneumatic control valve, and the manual slide valve is used for cutting off a power source of the cylinder during overhauling; preferably, a pressure reducing valve is arranged on an exhaust pipe line connected with the two-position five-way air control valve by the power air bus.
Further, the number of the cylinders is n, n is an integer greater than or equal to 1, and the number of the control valve group, the manual slide valve and the two-position five-way pneumatic control valve is identical to the number of the cylinders.
Further, a first air vent, a second air vent and a third air vent are formed in the upper portion of the two-position five-way air control valve from left to right, a fourth air vent and a fifth air vent are formed in the lower portion of the two-position five-way air control valve from left to right, and a right control hole and a left control hole are formed in the 2 side of the two-position five-way air control valve respectively; preferably, the two-position five-way air control valve has 2 modes, when the left control hole is in air intake, the two-position five-way air control valve enters a mode I, the first air port is plugged, the second air port is communicated with the fourth air port, and the third air port is communicated with the fifth air port; when the right control hole is used for air intake, the first air vent is communicated with the fourth air vent, the second air vent is communicated with the fifth air vent, and the third air vent is blocked.
Further, the control valve group is connected with the left control hole through an exhaust pipeline, and the second air vent is connected with the power gas busbar through an exhaust pipeline.
Further, a piston is arranged in the cylinder, the piston divides the interior of the cylinder into a left cylinder and a right cylinder, the left cylinder is provided with a sixth air port, the right cylinder is provided with a seventh air port and an eighth air port, the sixth air port is connected with the fifth air port, the seventh air port is connected with the fourth air port, and the eighth air port is connected with the right control hole.
Further, the control valve group comprises more than one electromagnetic valve, the electromagnetic valve is connected with the controller, the controller is used for controlling the opening and closing of the electromagnetic valve, and an explosion-proof junction box is arranged on a circuit between the electromagnetic valve and the controller.
Further, when the number of the electromagnetic valves in each group of the control valve groups is greater than 2, the electromagnetic valves are connected in series or in parallel.
Further, the control gas busbar, the power gas busbar, the control valve group and the two-position five-way gas control valve are all arranged in the control box.
A control method of a control system of an impact cylinder, comprising:
s1: gas from a gas source enters the control gas busbar and the power gas busbar respectively;
s2: according to different operation rhythms required by each cylinder, the corresponding control valve group is controlled to be opened and closed;
s3: the control valve group is opened, gas enters a left control hole of the two-position five-way air control valve from the control gas bus, the two-position five-way air control valve enters a first mode, gas from the power gas bus enters a right cylinder of the cylinder through a seventh vent, the piston moves leftwards, and the gas is discharged out of the cylinder from a sixth vent;
s4: the control valve group is closed, the piston moves to the left side of the cylinder, gas in the right cylinder is discharged through an eighth vent hole and enters a right control hole, the two-position five-way gas control valve enters a second mode, gas from the power gas busbar enters the left cylinder through a sixth vent hole, the piston moves rightwards, and the gas is discharged out of the cylinder from a seventh vent hole;
s5: when the piston moves to the right side of the cylinder, the process returns to S3, and the cylinder is made to enter the circulating motion. The invention has the advantages that:
a set of control system is used for timely and accurately controlling each impact cylinder, so that resource waste is avoided.
Drawings
FIG. 1 is a schematic diagram of a control system for an impact cylinder according to the present invention;
FIG. 2 is a schematic diagram of a two-position five-way pneumatic control valve provided by the present invention;
FIG. 3 is a schematic diagram of embodiment 2 of a control system for an impact cylinder according to the present invention;
fig. 4 is a schematic diagram of embodiment 3 of a control system of an impact cylinder according to the present invention.
As shown in the figure, the air flow control valve comprises a 1-control air bus, a 2-power air bus, a 3-control valve bank, a 4-explosion-proof junction box, a 5-two-position five-way air control valve, a 6-cylinder, a 7-controller, an 8-manual slide valve, a 51-first air port, a 52-second air port, a 53-third air port, a 54-left control hole, a 55-fourth air port, a 56-fifth air port, a 57-right control hole, a 61-sixth air port, a 62-seventh air port and a 63-eighth air port.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
As shown in fig. 1, a control system of an impact cylinder includes: the control gas bus 1 is connected with the control valve group 3 through an exhaust pipeline, the control valve group 3 is connected with the two-position five-way gas control valve 5 through an exhaust pipeline and controls the switching of gas paths inside the two-position five-way gas control valve 5, the power gas bus 2 is connected with the two-position five-way gas control valve 5 through an exhaust pipeline, and the two-position five-way gas control valve 5 is connected with the cylinder 6 and controls the movement of the cylinder 6; the air source is connected with the control air busbar 1 and the power air busbar 2 through an exhaust pipeline with a filter, and a first pressure reducing valve is arranged on an exhaust pipeline connected with the air source and the control air busbar 1; the exhaust pipe line connected with the power gas bus 2 and the two-position five-way pneumatic control valve 5 is sequentially provided with a manual slide valve and a second pressure reducing valve, the manual slide valve is used for controlling the starting and closing of each cylinder 6, and the pressure reducing valve is used for controlling the running speed of each cylinder 6.
The control valve group 3 is an electromagnetic valve, the electromagnetic valve is connected with a controller, the controller is used for controlling the opening and closing of the electromagnetic valve, the electromagnetic valve is connected with the controller through a circuit, an explosion-proof junction box 4 is arranged on the circuit between the electromagnetic valve and the controller, and the control gas bus bar 1, the power gas bus bar 2, the control valve group 3 and the two-position five-way gas control valve 5 are all arranged in a control box; the number of the air cylinders 6 is 4, and the number of the electromagnetic valves, the two-position five-way air control valve 5, the first pressure reducing valve, the manual slide valve and the second pressure reducing valve is identical to that of the air cylinders 6.
As shown in fig. 2, the upper part of the two-position five-way air control valve 5 is provided with a first air vent 51, a second air vent 52 and a third air vent 53 from left to right, the lower part of the two-position five-way air control valve 5 is provided with a fourth air vent 55 and a fifth air vent 56 from left to right, and the 2 side of the two-position five-way air control valve 5 is provided with a right control hole 57 and a left control hole 54 respectively; the two-position five-way air control valve 5 has 2 modes, when the left control hole 54 is in air, the two-position five-way air control valve 5 enters a mode one, the first air port 51 is blocked, the second air port 52 is communicated with the fourth air port 55, and the third air port 53 is communicated with the fifth air port 56; when the right control hole 57 is in air intake, the first air vent 51 is communicated with the fourth air vent 55, the second air vent 52 is communicated with the fifth air vent 56, and the third air vent 53 is blocked; the control valve group 3 is connected with the right control hole 57 through an exhaust pipeline, and the second ventilation opening 52 is connected with the power gas busbar 2 through an exhaust pipeline; the cylinder 6 is provided with a piston, the piston divides the interior of the cylinder 6 into a left cylinder and a right cylinder, the left cylinder is provided with a sixth air port 61, the right cylinder is provided with a seventh air port 62 and an eighth air port 63, the sixth air port 61 is connected with the fifth air port 56, the seventh air port 62 is connected with the fourth air port 55, and the eighth air port 63 is connected with the right control hole 57.
The specific working process comprises the following steps:
s1: the gas from the gas source enters the control box, and after passing through the filter, enters the control gas busbar 1 and the power gas busbar 2 respectively;
s2: according to different operation rhythms required by each cylinder 6, the corresponding control valve group 3 is controlled to be opened and closed, the opening and closing of each cylinder 6 are controlled through a manual slide valve, and the corresponding second pressure reducing valve is regulated according to different pressures required by each cylinder 6;
s3: the control valve group 3 is opened, gas enters the left control hole 54 of the two-position five-way air control valve 5 from the control air busbar 1, the two-position five-way air control valve 5 enters the first mode, the gas from the power air busbar 2 enters the right cylinder of the cylinder 6 through the seventh air vent 62, the piston moves leftwards, and the gas is discharged out of the cylinder 6 from the sixth air vent 61;
s4: the control valve group 3 is closed, the piston moves to the left side of the cylinder 6, gas in the right cylinder is discharged into the right control hole 57 through the eighth vent port 63, the two-position five-way pneumatic control valve 5 enters the second mode, gas from the power gas busbar 2 enters the left cylinder through the sixth vent port 61, the piston moves rightwards, and the gas is discharged out of the cylinder 6 from the seventh vent port 62;
s5: when the piston moves to the right of the cylinder 6, it returns to S3, causing the cylinder 6 to enter a cyclic motion.
Example 2
As shown in fig. 3, on the basis of embodiment 1, each group of control valve sets 3 includes 2 electromagnetic valves, the connection mode between the 2 electromagnetic valves is serial, and the gas path is completely through only when all the 2 electromagnetic valves are powered, and the gas enters the following two-position five-way gas control valve 5 from the control gas bus after passing through the two electromagnetic valves, so as to realize the action control of the two-position five-way gas control valve 5.
Example 3
As shown in fig. 4, on the basis of embodiment 1, each group of control valve sets 3 includes 2 electromagnetic valves, the connection mode between the 2 electromagnetic valves is parallel, each electromagnetic valve can independently control the gas in the control gas path, and the gas path passes through and enters the rear two-position five-way gas control valve 5 as long as one electromagnetic valve is powered on, so as to realize the action control of the two-position five-way gas control valve 5.
It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Claims (10)
1. A control system for an impact cylinder, comprising: the control gas busbar (1) and the power gas busbar (2) that are connected with the air supply respectively, control gas busbar (1) passes through exhaust line connection control valves (3), control valves (3) are connected and control the switching of the inside gas circuit of two five-way gas control valves (5) through exhaust line with two five-way gas control valves (5), power gas busbar (2) are connected with two five-way gas control valves (5) through exhaust line, two five-way gas control valves (5) are connected with cylinder (6) and control cylinder (6) motion.
2. A control system of an impact cylinder according to claim 1, characterized in that a manual slide valve (8) is arranged in the exhaust line between the power gas busbar (2) and the two-position five-way pneumatic control valve (5).
3. The control system of an impact cylinder according to claim 2, wherein the number of the cylinders (6) is n, n is an integer greater than or equal to 1, and the number of the control valve group (3), the manual slide valve (8) and the two-position five-way pneumatic control valve (5) is identical to the number of the cylinders (6).
4. A control system of an impact cylinder according to claim 3, characterized in that the upper part of the two-position five-way air control valve (5) is provided with a first air vent (51), a second air vent (52) and a third air vent (53) from left to right, the lower part of the two-position five-way air control valve (5) is provided with a fourth air vent (55) and a fifth air vent (56) from left to right, and the 2 sides of the two-position five-way air control valve (5) are respectively provided with a right control hole (57) and a left control hole (54).
5. A control system of an impact cylinder according to claim 4, characterized in that the control valve block (3) is connected to the left control hole (54) via an exhaust line, and that the second ventilation opening (52) is connected to the power gas busbar (2) via an exhaust line.
6. The control system of an impact cylinder according to claim 5, characterized in that a piston is arranged in the cylinder (6), which divides the cylinder (6) into a left cylinder and a right cylinder, the left cylinder is provided with a sixth air port (61), the right cylinder is provided with a seventh air port (62) and an eighth air port (63), the sixth air port (61) is connected with the fifth air port (56), the seventh air port (62) is connected with the fourth air port (55), and the eighth air port (63) is connected with the right control hole (57).
7. The control system of an impact cylinder according to claim 6, wherein the control valve group (3) comprises more than one electromagnetic valve, the electromagnetic valve is connected with the controller (7), the controller (7) is used for controlling the opening and closing of the electromagnetic valve, and an explosion-proof junction box (4) is arranged on a circuit between the electromagnetic valve and the controller (7).
8. A control system for an impact cylinder according to claim 7, characterized in that when the number of solenoid valves in each set of said control valve groups (3) is greater than 2, the connection between the solenoid valves is in series or in parallel.
9. The control system of an impact cylinder according to claim 8, wherein the control gas bus (1), the power gas bus (2), the control valve group (3) and the two-position five-way gas control valve (5) are all arranged in the control box.
10. A control method of a control system of an impact cylinder according to any one of claims 1 to 9, characterized by comprising:
s1: the gas from the gas source enters the control gas busbar (1) and the power gas busbar (2) respectively;
s2: according to the different operation rhythms required by each cylinder (6), the corresponding control valve group (3) is controlled to be opened and closed;
s3: the control valve group (3) is opened, gas enters a left control hole (54) of the two-position five-way air control valve (5) from the control air bus (1), the two-position five-way air control valve (5) enters a mode I, gas from the power air bus (2) enters a right cylinder of the cylinder (6) through a seventh air port (62), the piston moves leftwards, and the gas is discharged out of the cylinder (6) from a sixth air port (61);
s4: the control valve group (3) is closed, the piston moves to the left side of the cylinder (6), gas in the right cylinder is discharged through an eighth vent (63) to enter a right control hole (57), the two-position five-way air control valve (5) enters a second mode, gas from the power gas busbar (2) enters the left cylinder through a sixth vent (61), the piston moves rightwards, and the gas is discharged out of the cylinder (6) through a seventh vent (62);
s5: when the piston moves to the right side of the cylinder (6), the piston returns to S3, and the cylinder (6) enters the circulating motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211031576.5A CN117662548A (en) | 2022-08-26 | 2022-08-26 | Control system and control method for impact cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211031576.5A CN117662548A (en) | 2022-08-26 | 2022-08-26 | Control system and control method for impact cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN117662548A true CN117662548A (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211031576.5A Pending CN117662548A (en) | 2022-08-26 | 2022-08-26 | Control system and control method for impact cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117662548A (en) |
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2022
- 2022-08-26 CN CN202211031576.5A patent/CN117662548A/en active Pending
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