CN109772989B - Adjusting method of automatic air cushion adjusting system - Google Patents
Adjusting method of automatic air cushion adjusting system Download PDFInfo
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- CN109772989B CN109772989B CN201910167869.8A CN201910167869A CN109772989B CN 109772989 B CN109772989 B CN 109772989B CN 201910167869 A CN201910167869 A CN 201910167869A CN 109772989 B CN109772989 B CN 109772989B
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Abstract
The invention provides an automatic air cushion adjusting system and an adjusting method thereof, wherein the automatic air cushion adjusting system comprises an air source, an air cushion, a pipeline, an air tank, an air control ball valve and an electromagnetic reversing valve, wherein the air source is communicated with the air tank, the air source supplies compressed air to the air tank, the air tank stores the compressed air, the air tank is respectively communicated with the electromagnetic reversing valve and the air control ball valve, the electromagnetic reversing valve controls the flow direction of the compressed air through electromagnetic action, the air control ball valve controls the on-off of the compressed air, the pipeline comprises a main pipeline and an auxiliary pipeline, the main pipeline is communicated with the air cushion and the air control ball valve, the auxiliary pipeline is communicated with the air cushion and the electromagnetic reversing valve, and the air cushion is used for pressing parts. Therefore, the working efficiency is improved by effectively and quickly air-entering in the working process of the air cushion, and the impact caused by overlarge air pressure is prevented in the later stage of the working process.
Description
Technical Field
The invention relates to the field of presses, in particular to an adjusting method of an automatic air cushion adjusting system.
Background
Air cushions, also known as draw pads, are often used to press large parts or deep drawn parts on large presses. The stretching pad can be used for preventing wrinkling during stretching and also can be used for partial forming of the bottom of a top material or a workpiece. After the stretching pad is arranged on the press, the application range of the press can be expanded, for example, the general pressure with the stretching pad can carry out deeper stretching work, and the double-acting press can be used as a triple-acting press after the stretching pad is arranged on the double-acting press. The pressure of the compressed air in the air cushion system is regulated, so that the pressing force required by various pressing works can be obtained.
The pneumatic ball valve is specifically classified into: stainless steel pneumatic ball valve, plastic pneumatic ball valve, sanitary pneumatic ball valve, carbon steel pneumatic ball valve, two-way pneumatic ball valve, three-way pneumatic ball valve, four-way pneumatic ball valve. Pneumatic ball valves are ball valves fitted with pneumatic actuators that are relatively fast in speed, with the fastest switching speed of 0.05 seconds/time, and so are also commonly known as pneumatic quick-cut ball valves. Pneumatic ball valves are commonly configured with various accessories, such as solenoid valves, air source processing triplex, limit switches, positioners, control boxes and the like, so as to realize local control and remote centralized control, and the opening and closing of the valves can be controlled in the control room without running to the site or high altitude and dangerous zones for manual control, thereby saving manpower resources, time and safety to a great extent. The pneumatic ball valve can be tightly closed only by rotating the pneumatic actuator by 90 degrees with a gas source and a small rotating moment. The inner cavity of the valve body which is completely equal provides a flow passage with small resistance and straight through for the medium. The ball valve is generally considered to be most suitable for direct opening and closing. The ball valve has the main characteristics of compact structure, easy operation and maintenance, suitability for common compressed air such as water, solvent, acid, natural gas and the like, and suitability for mediums with severe working conditions such as oxygen, hydrogen peroxide, methane, ethylene and the like.
The electromagnetic valve is an automatic basic element for controlling fluid, and belongs to an actuator; and is not limited to hydraulic, pneumatic. Solenoid valves are used to control the direction of hydraulic flow, and the mechanical devices of the plant are typically controlled by hydraulic cylinders, so solenoid valves are used. The electromagnetic valve is an electromagnetic control industrial device, is an automatic basic element for controlling fluid, belongs to an actuator, the pneumatic electromagnetic valve is one of the electromagnetic valve, and is used for stopping or leaking different oil discharging holes by controlling the movement of a valve body, the oil inlet hole is normally open, hydraulic oil enters different oil discharging pipes, and then the piston of the oil cylinder is pushed by the pressure of the oil of the pneumatic electromagnetic valve, so that the mechanical movement of the whole electromagnetic valve is controlled by controlling the current of the electromagnet of the pneumatic electromagnetic valve.
The existing air cushion is inflated in a uniform inflation mode, if the inflation pressure is reduced, the inflation speed is low, the working efficiency is low, if the inflation pressure is increased, the inflation speed is improved, but the air cushion is easily impacted due to overlarge air pressure, and the air cushion is damaged.
Disclosure of Invention
The invention mainly aims to provide an automatic air cushion adjusting system and an adjusting method thereof, which overcome the defects of the prior art, not only effectively and quickly intake air in the working process of the air cushion to improve the working efficiency, but also prevent the impact caused by overlarge air pressure in the later stage of the working process.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides an automatic air cushion adjusting system, includes air supply, air cushion, pipeline, gas pitcher, pneumatic ball valve and electromagnetic valve, the air supply intercommunication the gas pitcher, the air supply is for the gas pitcher provides compressed air, the gas pitcher can store compressed air, the gas pitcher communicates respectively the electromagnetic valve with the pneumatic ball valve, the electromagnetic valve passes through the flow direction of electromagnetic action control compressed air, the pneumatic ball valve can control compressed air's break-make, the pipeline includes main pipeline and accessory pipeline, main pipeline intercommunication the air cushion with the pneumatic ball valve, accessory pipeline intercommunication the air cushion with the electromagnetic valve, the air cushion obtains the suppression part.
Preferably, the pipe diameter of the main pipeline is larger than that of the auxiliary pipeline, so that the air inflow of the main pipeline is larger than that of the auxiliary pipeline, and the running speed of the air cushion can be effectively controlled in the working process.
Preferably, the pipe diameter of the main pipeline is 2-4 times that of the auxiliary pipeline, so that the anti-impact requirement of the air cushion can be better met.
Preferably, the pipe diameter of the main pipeline is 150mm, and the pipe diameter of the auxiliary pipeline is 50mm.
Preferably, the automatic air cushion adjusting system is further provided with a three-position five-way electromagnetic valve, and the three-position five-way electromagnetic valve is respectively communicated with the air tank and the pneumatic ball valve. The three-position five-way electromagnetic valve can control the on-off of the compressed air in the main pipeline according to the pressure of the compressed air in the gas tank. The three-position five-way electromagnetic valve can drive the pneumatic ball valve to act through the pressure of compressed air in the air tank.
Preferably, the auxiliary pipeline is further provided with a second electromagnetic directional valve, the second electromagnetic directional valve is communicated with the air cushion and the outside, and the second electromagnetic directional valve is used for releasing the pressure in the air cushion when the die is replaced and the air cushion overhauls, so that the die is replaced conveniently and the air cushion overhauls conveniently.
Preferably, the gas tank is further provided with a pressure gauge and a pressure reducing valve, the pressure gauge can display the pressure condition in the gas tank, the pressure reducing valve can discharge redundant gas in the gas tank, the pressure in the gas tank can be kept in a safe range, the pressure in the gas tank is effectively prevented from being overlarge, and the detection is convenient.
An adjusting method of an automatic air cushion adjusting system comprises the following steps:
s100, rapidly pressurizing, wherein an air source provides compressed air for an air tank until the air tank is pressurized to a preset numerical range, a pneumatic ball valve is controlled to open a main pipeline through the three-position five-way electromagnetic valve, and the compressed air rapidly reaches an air cushion through the main pipeline until the air cushion is pressurized to be close to a part;
s200, the pneumatic ball valve is closed through the three-position five-way electromagnetic valve to block compressed air from entering the air cushion from the main pipeline, meanwhile, the electromagnetic reversing valve is opened, and compressed air slowly enters the air cushion through the auxiliary pipeline, so that the air cushion is pressurized at a low speed, a pretightening force is provided, and working parts are pressed.
Drawings
Fig. 1 is a schematic diagram of a preferred embodiment according to the present invention.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
The automatic air cushion adjusting system shown in fig. 1 comprises an air source 1, an air cushion 2, a pipeline 3, an air tank 4, an air control ball valve 5 and an electromagnetic reversing valve 6.
The air source 1 is used for providing compressed air required by the system in operation.
The air cushion 2 is used for pressing working parts.
The pipeline 3 is used for communicating all working parts of the automatic air cushion adjusting system.
The air tank 4 is used for storing compressed air so as to meet the requirement of the operation of the automatic air cushion adjusting system.
The electromagnetic directional valve 6 controls the flow direction of the compressed air through electromagnetic action.
The pneumatic ball valve 5 is used for controlling the on-off of the compressed air.
The air source 1 is communicated with the air tank 4, the air tank 4 is respectively communicated with the electromagnetic directional valve 6 and the pneumatic ball valve 5, and the air cushion 2 is respectively communicated with the electromagnetic directional valve 6 and the pneumatic ball valve 5.
The pipeline 3 is divided into a main pipeline 31 and a secondary pipeline 32, the main pipeline 31 is used for communicating the air cushion 2 and the pneumatic ball valve 5, and the secondary pipeline 32 is used for communicating the air cushion 2 and the electromagnetic directional valve 6. The pipe diameter of the main pipe 31 is larger than that of the auxiliary pipe 32, so that the air inflow of the main pipe 313 is larger than that of the auxiliary pipe 32, and the running speed of the air cushion 2 can be effectively controlled in the working process.
The pipe diameter of the main pipeline 31 is 2-4 times that of the auxiliary pipeline 32, so that the impact-resistant requirement of the air cushion 2 can be better met.
The pipe diameter of the main pipeline 31 is 150mm, and the pipe diameter of the auxiliary pipeline 32 is 50mm.
Wherein, the automatic air cushion adjusting system is further provided with a three-position five-way electromagnetic valve 8, and the three-position five-way electromagnetic valve 8 can control the on-off of the compressed air in the main pipeline 31 according to the pressure of the compressed air in the air tank 4. The three-position five-way electromagnetic valve 8 is respectively communicated with the gas tank 4 and the pneumatic ball valve 5. The three-position five-way electromagnetic valve 8 can drive the pneumatic ball valve 5 to act through the pressure of compressed air in the air tank 4.
Wherein, in order to be convenient for the mould change and the maintenance of air cushion 2, auxiliary line 32 further is equipped with second electromagnetic directional valve 7, second electromagnetic directional valve 7 intercommunication air cushion 2 and external world, second electromagnetic directional valve 7 is used for when the mould is changed and air cushion 2 overhauls with the pressure in the air cushion 2 releases.
Wherein, in order to prevent the pressure in the gas tank 4 from being too high and to facilitate detection, the gas tank 4 is further provided with a pressure gauge 9 and a pressure reducing valve 10, the pressure gauge 9 is used for displaying the pressure condition in the gas tank 4, and the pressure reducing valve 10 is used for discharging the superfluous compressed air in the gas tank 4, so that the pressure in the gas tank 4 is kept in a safe range.
When the automatic air cushion 2 adjusting system is used, the automatic air cushion 2 adjusting system is divided into two working steps of fast and slow speed, when the air cushion 2 pretightening force is needed to be provided by pressurizing, the air cushion 2 is needed to be pressurized fast, the air source 1 is used for providing continuous compressed air through a compression device, the air source 1 is communicated with the air tank 4, the air tank 4 is pressurized to a certain numerical range, the pneumatic ball valve 5 is controlled by the three-position five-way electromagnetic valve 8 to open the main pipeline 31, the compressed air rapidly reaches the air cushion 2 through the main pipeline 31 and rapidly pressurizes the air cushion 2, in order to prevent the air cushion 2 from being pressurized too fast to prevent unnecessary impact, the pneumatic ball valve 5 is closed by the three-position five-way electromagnetic valve 8, so that the compressed air is blocked from entering the air cushion 2 from the main pipeline 31, meanwhile, the electromagnetic reversing valve 6 is opened, the compressed air slowly enters the air cushion 2 through the auxiliary pipeline 32, the air cushion 2 is pressurized slowly, and the air cushion pressure is prevented from being impacted by the air cushion 2.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. An adjustment method of an automatic air cushion adjustment system is characterized by comprising the following steps:
s100, quick pressurization is carried out, the automatic air cushion adjusting system comprises an air source, an air cushion, a pipeline, an air tank, an air control ball valve, an electromagnetic reversing valve and a three-position five-way electromagnetic valve, the air source is communicated with the air tank, the air source supplies compressed air to the air tank, the air tank stores the compressed air, the air tank is respectively communicated with the electromagnetic reversing valve and the air control ball valve, the electromagnetic reversing valve controls the flow direction of the compressed air through electromagnetic action, the air control ball valve controls the on-off of the compressed air, the pipeline comprises a main pipeline and an auxiliary pipeline, the main pipeline is communicated with the air cushion and the air control ball valve, the auxiliary pipeline is communicated with the air cushion and the electromagnetic reversing valve, the three-position five-way electromagnetic valve is respectively communicated with the air tank and the air control ball valve, the air source supplies the compressed air to the air tank through the pressure of the compressed air tank to a preset numerical range, and the main pipeline is controlled by the three-position five-way electromagnetic valve to be close to the air cushion, and the compressed air is quickly opened through the main pipeline to the air cushion;
s200, pressurizing slowly, closing the pneumatic ball valve through the three-position five-way electromagnetic valve, blocking compressed air from entering the air cushion from the main pipeline, simultaneously opening the electromagnetic reversing valve, and enabling the compressed air to enter the air cushion slowly through the auxiliary pipeline, so that the air cushion is pressurized slowly, pretightening force is provided, and working parts are pressed.
2. The method of claim 1, wherein the primary pipe diameter is 2-4 times the secondary pipe diameter.
3. The method of adjusting according to claim 2, wherein the pipe diameter of the main pipe is 150mm, and the pipe diameter of the auxiliary pipe is 50mm.
4. The adjustment method according to claim 3, characterized in that the secondary line is further provided with a second electromagnetic directional valve, which communicates the air cushion with the outside.
5. The adjustment method according to claim 4, characterized in that the gas tank is further provided with a pressure gauge for displaying the pressure condition in the gas tank and a pressure reducing valve for discharging the surplus gas in the gas tank so as to keep the pressure in the gas tank within a safe range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167869.8A CN109772989B (en) | 2019-03-06 | 2019-03-06 | Adjusting method of automatic air cushion adjusting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167869.8A CN109772989B (en) | 2019-03-06 | 2019-03-06 | Adjusting method of automatic air cushion adjusting system |
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| CN109772989A CN109772989A (en) | 2019-05-21 |
| CN109772989B true CN109772989B (en) | 2023-08-08 |
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| CN201910167869.8A Active CN109772989B (en) | 2019-03-06 | 2019-03-06 | Adjusting method of automatic air cushion adjusting system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203267259U (en) * | 2013-05-03 | 2013-11-06 | 江苏扬力集团有限公司 | Hand-operated automatic reversing air supplying air cushion device |
| CN203448490U (en) * | 2013-09-05 | 2014-02-26 | 扬州锻压机床股份有限公司 | Quick and slow air intake switching device and press machine including device |
| CN205702067U (en) * | 2016-05-06 | 2016-11-23 | 东南（福建）汽车工业有限公司 | A kind of plates of automobile punch press molding air cushion is arranged to gas apparatus for fast switching |
| CN209664050U (en) * | 2019-03-06 | 2019-11-22 | 浙江易锻精密机械有限公司 | A kind of air cushion automatic adjustment system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6185973B2 (en) * | 2015-12-01 | 2017-08-23 | アイダエンジニアリング株式会社 | Slide cushion device for press machine |
-
2019
- 2019-03-06 CN CN201910167869.8A patent/CN109772989B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203267259U (en) * | 2013-05-03 | 2013-11-06 | 江苏扬力集团有限公司 | Hand-operated automatic reversing air supplying air cushion device |
| CN203448490U (en) * | 2013-09-05 | 2014-02-26 | 扬州锻压机床股份有限公司 | Quick and slow air intake switching device and press machine including device |
| CN205702067U (en) * | 2016-05-06 | 2016-11-23 | 东南（福建）汽车工业有限公司 | A kind of plates of automobile punch press molding air cushion is arranged to gas apparatus for fast switching |
| CN209664050U (en) * | 2019-03-06 | 2019-11-22 | 浙江易锻精密机械有限公司 | A kind of air cushion automatic adjustment system |
Non-Patent Citations (1)
| Title |
|---|
| "压力机气垫气动系统的实施方案探讨";梅碧舟，等;《锻压装备与制造技术》;45-47 * |
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| CN109772989A (en) | 2019-05-21 |
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