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Adjustable stroke integrated tandem cylinder

A technology of stroke and front cylinder, which is applied in the field of adjustable stroke integrated serial cylinder for the hydraulic control system of hydraulic upper-action sheet metal bending machine, which can solve the problems of adjustment, high use requirements, poor anti-eccentric load capacity, and high price. Achieve the effects of strong anti-eccentric load ability, strong control ability and simplified hydraulic system

Active Publication Date: 2015-12-16
MAANSHAN YUHUA MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the control system of hydraulic sheet metal bending machine is mainly two kinds of hydraulic control systems: electro-hydraulic servo control and mechanical stopper and torsion axis control. The former is expensive and requires high adjustment and use; the latter has low precision and poor anti-eccentric load capacity.

Method used

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Embodiment Construction

[0014]Referring to the accompanying drawings, the left side of the figure is the front, and the right side is the rear. The adjustable stroke integrated tandem cylinder includes the front piston 31, the rear piston 42, the front cylinder 22, the rear cylinder 27, the piston rod I18, and the piston rod II24. , cylinder front body 10, cylinder middle body 23, cylinder cover 36 and a group of tie rods 37, cylinder front body 10, front cylinder body 22, cylinder middle body 23, front piston 31, piston rod I 18 form the front hydraulic cylinder; cylinder middle body 23. The rear cylinder body 27, cylinder head 36, rear piston 42, piston rod II24, etc. constitute the rear hydraulic cylinder; the front and rear hydraulic cylinders are connected in series by the cylinder middle body 23, piston rod II24 and a group of tie rods 37 to form a series cylinder , the inner diameters of the front and rear cylinders are the same, the outer diameters of the piston rod I18 and the piston rod II24...

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Abstract

The invention discloses an integration series connection cylinder with an adjustable stroke. The integration series connection cylinder with the adjustable stroke comprises a front piston, a back piston, a front cylinder body, a back cylinder body, a piston rod I, a piston rod II, a cylinder front body, a cylinder middle body, a cylinder cover and a set of pull rods. The integration series connection cylinder with the adjustable stroke is characterized in that a front hydraulic cylinder is composed of the cylinder front body, the front cylinder body, the cylinder middle body, the front piston, the piston rod I and the like, a back hydraulic cylinder is composed of the cylinder middle body, the back cylinder body, the cylinder cover, the back piston, the piston rod II and the like, and the front hydraulic cylinder and the back hydraulic cylinder are connected through the cylinder middle body, the piston rod II and the set of pull rods in series to form the series connection cylinder. The integration series connection cylinder with the adjustable stroke is high in synchronization precision and anti-unbalance loading capability, the stroke is adjustable, and the stroke adjusting amount of a plate bending machine can be directly controlled; the integration series connection cylinder with the adjustable stroke is high in integration degree, the hydraulic system is simplified, the control capability is high, and the integration series connection cylinder with the adjustable stroke is safe and reliable.

Description

technical field [0001] The invention relates to a hydraulic cylinder, in particular to an integrated serial cylinder with adjustable stroke for the hydraulic control system of a hydraulic up-action plate bending machine. Background technique [0002] At present, the control system of hydraulic sheet metal bending machine is mainly two kinds of hydraulic control systems: electro-hydraulic servo control and mechanical stopper and torsion axis control. The former is expensive and requires high adjustment and use; the latter has low precision and poor anti-eccentric load capacity. . Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an integrated tandem cylinder with adjustable stroke, which not only controls two double-acting hydraulic cylinders with high synchronization accuracy and strong anti-eccentric load capability, but also has an adjustable stroke, and can directly control the stroke adjustment of the sheet met...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B15/14F15B15/20F15B15/22B21D5/00
Inventor 唐颖达
Owner MAANSHAN YUHUA MACHINERY MFG
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