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Bending method of efficient bending machine

A bending machine and high-efficiency technology, applied in the field of bending machines, can solve the problems that the control accuracy, control efficiency and stability of the hydraulic system are difficult to meet modern production, affect the bending quality of plates, etc., so as to achieve the reduction of processing and material costs, Convenient maintenance and the effect of reducing the empty space for installation

Active Publication Date: 2016-08-31
ANHUI DONGHAI MACHINE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome the control accuracy, control efficiency and stability of the hydraulic system of the existing bending machine, which is difficult to meet the needs of modern production, thereby affecting the quality of plate bending, and to provide a high-efficiency bending machine. method

Method used

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  • Bending method of efficient bending machine
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Such as figure 1 As shown, a hydraulic system for efficient and stable operation of a bending machine in this embodiment includes an oil pump 2 , an oil tank 16 , a hydraulic cylinder 9 and an accumulator 8 . Wherein, the oil pump 2 is connected with the motor 1, and the oil inlet of the oil pump 2 is connected with the oil tank 16, and the oil outlet of the oil pump 2 is connected with the P port of the three-position four-way electromagnetic reversing valve 3 through a pipeline on the one hand, and on the other hand On the one hand, it is also connected to the oil tank 16 through the electromagnetic overflow valve I4. The T port of the three-position four-way electromagnetic reversing valve 3 is connected to the oil tank 16 through a pipeline, and the A port of the three-position four-way electromagnetic reversing valve 3 is connected to the lower chamber of the hydraulic cylinder 9 through a stacked valve group. The B port of the electromagnetic reversing valve 3 is...

Embodiment 2

[0045] Such as figure 1 As shown, a hydraulic system for efficient and stable operation of a bending machine in this embodiment includes an oil pump 2 , an oil tank 16 , a hydraulic cylinder 9 and an accumulator 8 . Wherein, the oil pump 2 is connected with the motor 1, and the oil inlet of the oil pump 2 is connected with the oil tank 16, and the oil outlet of the oil pump 2 is connected with the P port of the three-position four-way electromagnetic reversing valve 3 through a pipeline on the one hand, and on the other hand On the one hand, it is also connected to the oil tank 16 through the electromagnetic overflow valve I4. The T port of the three-position four-way electromagnetic reversing valve 3 is connected to the oil tank 16 through a pipeline, and the A port of the three-position four-way electromagnetic reversing valve 3 is connected to the lower chamber of the hydraulic cylinder 9 through a stacked valve group. Port B of the electromagnetic reversing valve 3 is con...

Embodiment 3

[0062] A bending machine with high efficiency and stable operation in this embodiment, the bending machine includes the hydraulic system described in Embodiment 2, so that each process of bending processing, such as fast lowering, working advance, and pressure maintaining, can be Meet their respective different requirements, realize high speed, stable downward movement, stable work progress, long and stable pressure holding time, thus ensuring the accuracy, stability and bending efficiency of the entire bending process and the processing quality of the plate, so that it can Meet the needs of modern production.

[0063] Usually, the air in the oil tank 16 of the bending machine will flow in and out from the air filter 12 on the oil tank 16 in large quantities as the slider moves up and down at a high speed, but the air in and out of the oil tank 16 in this system is less than 10% of the original, and the oil tank 16 The fluctuation of the internal oil level is small, which grea...

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Abstract

The invention discloses a bending method of an efficient bending machine, and belongs to the technical field of the bending machine. An oil inlet of an oil pump is connected with an oil tank; an oil outlet of the oil pump is connected with a port P of a three-position four-way electromagnetic directional valve through a pipeline; a port T of the three-position four-way electromagnetic directional valve is connected with the oil tank through a pipeline; a port A of the three-position four-way electromagnetic directional valve is connected to an upper cavity of a hydraulic cylinder through a superposing valve set; a port B of the three-position four-way electromagnetic directional valve is connected to the upper cavity of the hydraulic cylinder through a superposing valve set; the upper cavity of the hydraulic cylinder is further connected with an energy accumulator through a hydraulic-control one-way valve. By improving a hydraulic system of the bending machine, the whole plate bending process of quickly descending, feeding, maintaining pressure and decompressing is efficiently controlled, high speed and stability of the quick descending stage as well as stability of the feeding stage are guaranteed; and meanwhile, the pressure maintaining effect is good, and the oil pressure of the upper cavity of the oil cylinder at the pressure maintaining stage is stable, so that the bending quality of plates is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of bending machines, and more specifically relates to a bending method of a high-efficiency bending machine. Background technique [0002] With the development of the processing industry, the current bending machine products have been widely used in different fields such as electromechanical, sheet metal, light industry, aviation, shipbuilding, instrumentation, electrical appliances, stainless steel products, steel structure construction and metallurgical industries. It can cut various steel plates, stainless steel, copper plates, aluminum plates and non-metallic material plates, and can also be used to fold the plates into different shapes such as V shape, arc shape, circle or right angle. The structure of the existing bending machine mainly includes a bracket, a workbench and a clamping plate. The workbench is placed on the bracket. The workbench is composed of a base and a pressure plate. Composed of pla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B11/16F15B13/06F15B1/02
CPCF15B1/02F15B11/16F15B13/06
Inventor 石贤锋
Owner ANHUI DONGHAI MACHINE MFG CO LTD
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