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Large-scale die-forging hydraulic press hybrid power hydraulic transmission system and method

A hybrid and hydraulic transmission technology, applied in the driving device, press, and manufacturing tool of forging presses, can solve the problems of increased production and operation costs, increased project investment, low startup rate and operating efficiency, and reduced procurement costs. , The effect of improving operating efficiency and boosting speed

Pending Publication Date: 2019-01-11
NANJING DEV ADVANCED MFG
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

With such a high installed power, the operating rate and operating efficiency are very low, resulting in increased project investment and increased production and operating costs

Method used

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  • Large-scale die-forging hydraulic press hybrid power hydraulic transmission system and method
  • Large-scale die-forging hydraulic press hybrid power hydraulic transmission system and method

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Embodiment Construction

[0035] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention, but not to limit the scope of the present invention.

[0036] Hybrid power hydraulic transmission system for large-scale die forging hydraulic press, the main devices include: several ultra-high pressure plunger variable pumps, several Taichung high-pressure accumulators, low-pressure oil tanks and non-pressure oil tanks and their circulation systems, matrix multi-channel output integrated control valve block , PSA on-site nitrogen system, etc. Each device is organically connected through a pipeline with a suitable flow rate, thus forming a multi-directional die extrusion, die forging, isothermal die forging, equal reduction forming, equal forging ratio forming, precision forming, superplastic forming and other metal-plastic flexibl...

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Abstract

The invention discloses a large-scale die-forging hydraulic press hybrid power hydraulic transmission system and method. An ultrahigh pressure plunger variable displacement pump set, a medium and highpressure accumulator, a matrix multiplexed output integrated control valve block, an accumulator control valve block, a low pressure fuel tank, a non-pressure oil tank, an inflation system, a circulation system and a master cylinder and auxiliary cylinder control valve block are included; and the master cylinder and auxiliary cylinder control valve block is connected with the matrix multiplexed output integrated control valve block, the ultrahigh pressure plunger variable displacement pump set, the accumulator control valve block and the medium and high pressure accumulator through pipes. Onthe premise of fully satisfying the process mechanical parameters, within one process period, the hybrid hydraulic transmission system can supply oil to multiple hydraulic presses according to the process load curves in different process periods, the installing total power needed for building pump stations for all hydraulic presses singly can be greatly reduced, the reactive or less power consumption of the accumulator is effectively reduced, the operating efficiency is improved, the procurement cost of the hydraulic system can be significantly reduced, and the project investment and production operation cost are reduced.

Description

technical field [0001] The invention relates to a hybrid power hydraulic transmission system and method of a large die forging hydraulic press, and belongs to the technical field of metal plastic forming hydraulic presses. Background technique [0002] The hydraulic transmission pump station is the power source of the large die forging hydraulic press and the most important technical heart of the equipment. When working, the huge force and working speed issued by the working cylinder of the hydraulic press are transmitted by the hydraulic pump station. Therefore, the pressure energy, flow rate, and power consumption of the hydraulic pump station must meet the characteristic requirements of different production processes and the economic requirements of equipment operation. [0003] At present, the hydraulic transmission system used in large-scale die forging hydraulic presses generally has the following two methods: [0004] The traditional water pump-accumulator transmiss...

Claims

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Application Information

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IPC IPC(8): B21J9/16B30B15/16
CPCB21J9/16B30B15/163
Inventor 郭玉玺张利
Owner NANJING DEV ADVANCED MFG
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