A bending method for an efficient bending machine

A bending machine, high-efficiency technology, applied in the field of bending machines, can solve the problems affecting the bending quality of plates, hydraulic system control accuracy, control efficiency and stability are difficult to meet modern production, and achieve convenient maintenance, processing and material costs The effect of lowering the bottom and reducing the installation space

Active Publication Date: 2017-10-31
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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  • A bending method for an efficient bending machine
  • A bending method for an efficient bending machine

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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 a high-efficiency bending machine and belongs to the technical field of bending machines. In the present invention, the oil inlet of the oil pump is connected to the oil tank, and the oil outlet of the oil pump is connected to the P port of the three-position four-way electromagnetic reversing valve through a pipeline; the T port of the three-position four-way electromagnetic reversing valve is connected to the oil tank through a pipeline. Connected, the A port of the three-position four-way electromagnetic directional valve is connected to the lower chamber of the hydraulic cylinder through the superimposed valve group, and the B port of the three-position four-way electromagnetic directional valve is connected to the upper chamber of the hydraulic cylinder through the superimposed valve group. The upper chamber of the hydraulic cylinder is also connected to the energy accumulator through a hydraulically controlled one-way valve. By improving the hydraulic system of the bending machine, the present invention can efficiently control the entire process of plate bending: fast lowering, working advance, pressure maintaining, and pressure relief, ensuring high speed and stability in the fast lowering stage and stability in the working advanced stage. Stability and good pressure-holding effect. The oil pressure in the upper chamber of the cylinder is stable during the pressure-holding stage, thus ensuring the bending quality of the plate.

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 Patents(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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