阅读说明：本技术 一种压力机气动控制系统 (Pneumatic control system of press machine ) 是由 陈启升 于 2020-05-18 设计创作，主要内容包括：本发明公开了一种压力机气动控制系统,它属于压力机领域,包括气源,所述气源连接有总气路,所述总气路上设有并联设置的离合制动气路、平衡器气路、气垫气路以及液压过载保护气路；本发明通过利用总气路设置不同的支路,将离合器相关气路、平衡器相关气路、制动器相关气路、气垫相关气路以及液压过载保护相关气路根据不同的手滑阀控制,保证了整个压力机气动系统的稳定安全运行,且关键设备设置了储气筒,保证了气源的稳定,从而进一步提高了设备运行整体稳定性。(The invention discloses a pneumatic control system of a press, which belongs to the field of presses and comprises an air source, wherein the air source is connected with a main air path, and a clutch braking air path, a balancer air path, an air cushion air path and a hydraulic overload protection air path which are arranged in parallel are arranged on the main air path; according to the invention, different branches are arranged by utilizing the total gas circuit, and the clutch-related gas circuit, the balancer-related gas circuit, the brake-related gas circuit, the air cushion-related gas circuit and the hydraulic overload protection-related gas circuit are controlled according to different hand slide valves, so that the stable and safe operation of the whole pneumatic system of the press is ensured, and the key equipment is provided with the gas storage cylinder, so that the stability of a gas source is ensured, and the overall stability of the operation of the equipment is further improved.)

1. A pneumatic control system of a press is characterized in that: the hydraulic overload protection device comprises an air source, wherein the air source is connected with a main air path, and a clutch braking air path, a balancer air path, an air cushion air path and a hydraulic overload protection air path which are arranged in parallel are arranged on the main air path;

the clutch brake gas circuit comprises a clutch brake gas cylinder, a hand slide valve and a pressure reducing valve are arranged between a gas inlet and a main gas circuit of the clutch brake gas cylinder, a clutch gas circuit and a brake gas circuit which are arranged in parallel are arranged at a gas outlet of the clutch brake gas cylinder, the clutch gas circuit comprises a clutch and a safety duplex valve, the safety duplex valve is arranged between the clutch and the clutch brake gas cylinder, the brake gas circuit comprises a flywheel brake and a reversing valve, and the reversing valve is arranged between the flywheel brake and the clutch brake gas cylinder;

the balancer gas circuit comprises a balancer gas cylinder, a hand slide valve and a pressure reducing valve are arranged between a gas inlet of the balancer gas cylinder and the main gas circuit, and a gas outlet of the balancer gas cylinder is connected with a balancer;

the hydraulic overload protection gas circuit comprises a hydraulic overload protection device, a hand slide valve and a pressure reducing valve are arranged between the hydraulic overload protection device and a main gas circuit, and a normally open reversing valve is arranged between the hand slide valve and the hydraulic overload protection device;

the air cushion gas circuit includes the air cushion gas receiver, be equipped with hand slide valve and relief pressure valve between air cushion gas receiver and the total gas circuit, the gas outlet of air cushion gas receiver is connected with the air cushion, the air cushion with be equipped with two parallelly connected air cushion gas circuits between the air cushion gas receiver, one be equipped with choke valve and air-operated three-way valve on the air cushion gas circuit, the air-operated three-way valve with total gas circuit intercommunication, the air-operated three-way valve with be equipped with hand slide valve and relief pressure valve between the total gas circuit, another be equipped with the check valve on the.

2. A pneumatic control system for a press as claimed in claim 1, wherein: and the main gas path is provided with a ball valve and an air filter.

3. A pneumatic control system for a press as claimed in claim 1, wherein: an oil atomizer is arranged between the clutch braking air cylinder and the safety double valve;

an oil atomizer is arranged between the reversing valve and the clutch braking air cylinder;

and an oil atomizer is arranged on the hydraulic overload protection gas circuit.

4. A pneumatic control system for a press as claimed in claim 1, wherein: pressure gauges are arranged on the clutch braking air circuit, the balancer air circuit, the air cushion air circuit and the hydraulic overload protection air circuit.

5. A pneumatic control system for a press as claimed in claim 1, wherein: and safety valves are arranged on the clutch braking air cylinder, the balancer air cylinder and the air cushion air cylinder.

Technical Field

The invention relates to the field of presses, in particular to a pneumatic control system of a press.

Background

The whole system of the press machine relates to a plurality of mechanical, hydraulic, pneumatic, electric and other systems, wherein the pneumatic system comprises a clutch related gas circuit, a balancer related gas circuit, a brake related gas circuit, an air cushion related gas circuit and a hydraulic overload protection related gas circuit.

The gas circuit ensures the normal operation of the whole press, however, the control of each gas circuit does not have the control of one system at present, so that the failure rate and the stability of the pneumatic control system of the press at present are poor.

In view of the problems in the prior art, the invention designs and manufactures a pneumatic control system of a press by combining years of design and use experience of related fields and with over-strong professional knowledge, so as to overcome the defects.

Disclosure of Invention

For the problems in the prior art, the pneumatic control system of the press machine provided by the invention has the advantage that the stability of the pneumatic control system of the press machine is improved.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a pneumatic control system of a press machine comprises an air source, wherein the air source is connected with a main air path, and a clutch braking air path, a balancer air path, an air cushion air path and a hydraulic overload protection air path which are arranged in parallel are arranged on the main air path;

the clutch brake gas circuit comprises a clutch brake gas cylinder, a hand slide valve and a pressure reducing valve are arranged between a gas inlet and a main gas circuit of the clutch brake gas cylinder, a clutch gas circuit and a brake gas circuit which are arranged in parallel are arranged at a gas outlet of the clutch brake gas cylinder, the clutch gas circuit comprises a clutch and a safety duplex valve, the safety duplex valve is arranged between the clutch and the clutch brake gas cylinder, the brake gas circuit comprises a flywheel brake and a reversing valve, and the reversing valve is arranged between the flywheel brake and the clutch brake gas cylinder;

the balancer gas circuit comprises a balancer gas cylinder, a hand slide valve and a pressure reducing valve are arranged between a gas inlet of the balancer gas cylinder and the main gas circuit, and a gas outlet of the balancer gas cylinder is connected with a balancer;

the hydraulic overload protection gas circuit comprises a hydraulic overload protection device, a hand slide valve and a pressure reducing valve are arranged between the hydraulic overload protection device and a main gas circuit, and a normally open reversing valve is arranged between the hand slide valve and the hydraulic overload protection device;

the air cushion gas circuit includes the air cushion gas receiver, be equipped with hand slide valve and relief pressure valve between air cushion gas receiver and the total gas circuit, the gas outlet of air cushion gas receiver is connected with the air cushion, the air cushion with be equipped with two parallelly connected air cushion gas circuits between the air cushion gas receiver, one be equipped with choke valve and air-operated three-way valve on the air cushion gas circuit, the air-operated three-way valve with total gas circuit intercommunication, the air-operated three-way valve with be equipped with hand slide valve and relief pressure valve between the total gas circuit, another be equipped with the check valve on the.

Preferably, a ball valve and an air filter are arranged on the main air path.

Preferably, an oil atomizer is arranged between the clutch braking air cylinder and the safety double valve;

an oil atomizer is arranged between the reversing valve and the clutch braking air cylinder;

and an oil atomizer is arranged on the hydraulic overload protection gas circuit.

Preferably, the clutch braking air circuit, the balancer air circuit, the air cushion air circuit and the hydraulic overload protection air circuit are all provided with pressure gauges.

Preferably, the clutch braking air cylinder, the balancer air cylinder and the air cushion air cylinder are all provided with safety valves.

The invention has the advantages that:

according to the invention, different branches are arranged by utilizing the total gas circuit, and the related gas circuit of the clutch, the related gas circuit of the balancer, the related gas circuit of the brake, the related gas circuit of the air cushion and the related gas circuit of the hydraulic overload protection are controlled according to different hand slide valves, so that the stable and safe operation of the whole pneumatic system of the press is ensured.

Drawings

Fig. 1 is a schematic diagram of a pneumatic control system of a press.

In the figure: the device comprises a gas source 1, an air cushion gas storage cylinder 2, a clutch brake gas storage cylinder 3, a balancer gas storage cylinder 4, a hydraulic overload protection device 5, a flywheel brake 6, a clutch 7, a balancer 8, an air cushion 9, a safety duplex valve 10, an oil mist device 11, a pressure reducing valve 12, a hand slide valve 13, a reversing valve 14, a normally open reversing valve 15, a safety valve 16, a check valve 17, a throttle valve 18 and a pneumatic control three-way valve 19.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, a pneumatic control system of a press comprises an air source 1, wherein the air source 1 is connected with a main air path, and the main air path is provided with a clutch braking air path, a balancer air path, an air cushion air path and a hydraulic overload protection air path which are arranged in parallel;

the clutch braking air path comprises a clutch braking air cylinder 3, a hand slide valve 13 and a pressure reducing valve 12 are arranged between an air inlet of the clutch braking air cylinder 3 and a main air path, a clutch air path and a brake air path which are arranged in parallel are arranged at an air outlet of the clutch braking air cylinder 3, the clutch air path comprises a clutch 7 and a safety double valve 10, the safety double valve 10 is arranged between the clutch 7 and the clutch braking air cylinder 3, the brake air path comprises a flywheel brake 6 and a reversing valve 14, and the reversing valve 14 is arranged between the flywheel brake 6 and the clutch braking air cylinder 3;

the air passage of the balancer comprises a balancer air cylinder 4, a hand slide valve 13 and a pressure reducing valve 12 are arranged between an air inlet of the balancer air cylinder 4 and a main air passage, and an air outlet of the balancer air cylinder 4 is connected with a balancer 8;

the hydraulic overload protection gas circuit comprises a hydraulic overload protection device 5, wherein a hand slide valve 13 and a pressure reducing valve 12 are arranged between the hydraulic overload protection device 5 and a main gas circuit, and a normally open reversing valve 15 is arranged between the hand slide valve 13 and the hydraulic overload protection device 5;

the air cushion gas path of the invention comprises an air cushion gas cylinder 2, a hand slide valve 13 and a pressure reducing valve 12 are arranged between the air cushion gas cylinder 2 and a main gas path, an air outlet of the air cushion gas cylinder 2 is connected with an air cushion 9, two parallel air cushion gas paths are arranged between the air cushion 9 and the air cushion gas cylinder 2, a throttle valve 18 and an air control three-way valve 19 are arranged on one air cushion gas path, the air control three-way valve 19 is communicated with the main gas path, the hand slide valve 13 and the pressure reducing valve 12 are arranged between the air control three-way valve 19 and the main gas path, a one-way valve, when in inflation, the high-pressure air of the air cushion air storage cylinder 2 respectively enters the upper air cylinder and the lower air cylinder of the air cushion 9 through the throttle valve 18 and the air control three-way valve 19, because the pressure of the air cushion air storage cylinder 2 is greater than the pressure of the upper air cylinder and the lower air cylinder of the air cushion 9, air can only enter the air cushion 9 and can not return to the air cushion air storage cylinder 2 through the one-way valve 17. When exhausting, the piston in the air cushion 9 is pressed down, and the air in the upper cylinder and the lower cylinder of the air cushion 9 enters the air cushion air storage cylinder 2 through the one-way valve 17.

In order to facilitate the control of the gas circuit and ensure the gas quality, the main gas circuit of the invention is provided with a ball valve and an air filter.

In order to ensure the lubrication of each device during operation, an oil atomizer 11 is arranged between the clutch braking air cylinder 3 and the safety double valve 10; an oil atomizer 11 is arranged between the reversing valve 14 and the clutch brake air cylinder 3; the hydraulic overload protection gas circuit is provided with an oil atomizer 11.

Meanwhile, in order to further improve the safety of the equipment, pressure gauges are arranged on the clutch braking air circuit, the balancer air circuit, the air cushion air circuit and the hydraulic overload protection air circuit, and safety valves 16 are arranged on the clutch braking air cylinder 3, the balancer air cylinder 4 and the air cushion air cylinder 2.

According to the invention, different branches are arranged by utilizing the total gas circuit, and the clutch-related gas circuit, the balancer-related gas circuit, the brake-related gas circuit, the air cushion-related gas circuit and the hydraulic overload protection-related gas circuit are controlled according to different hand slide valves 13, so that the stable and safe operation of the whole pneumatic system of the press is ensured, and the key equipment is provided with the gas storage cylinder, so that the stability of a gas source is ensured, and the overall stability of the operation of the equipment is further improved.

It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should also be understood that various alterations, modifications and/or variations can be made to the present invention by those skilled in the art after reading the technical content of the present invention, and all such equivalents fall within the protective scope defined by the claims of the present application.