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Digital hydraulic cylinder applied to textile splitting machine

A digital hydraulic and slitting machine technology, applied in the field of digital hydraulic cylinders, can solve problems such as poor synchronization accuracy of two cylinders, uneven cutting of end faces, difficult cutting, etc., and achieve the effect of solving tightness

Pending Publication Date: 2022-04-22
邵阳先进制造技术研究院有限公司
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Problems solved by technology

The traditional open-loop control method of adjusting the roller pressure by controlling the ordinary oil cylinder through the proportional valve, the position control accuracy of the oil cylinder is not high, resulting in poor synchronization accuracy of the two cylinders
It often causes problems such as uneven or difficult cutting of the end face, which is more serious when the slitting machine is running at high speed

Method used

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  • Digital hydraulic cylinder applied to textile splitting machine
  • Digital hydraulic cylinder applied to textile splitting machine

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Embodiment Construction

[0022] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be un...

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Abstract

The invention discloses a digital hydraulic cylinder applied to a textile splitting machine, which comprises a servo driving mechanism, a hydraulic slide valve, a thread pair transmission mechanism and a double-acting hydraulic cylinder, and the driving mechanism comprises a servo motor and a connecting sleeve; the hydraulic slide valve comprises a valve body, a valve sleeve, a valve core and a mandrel; one end of the hydraulic slide valve is connected with an output shaft of the servo motor through the valve core; the thread pair transmission mechanism comprises a thread pair nut, a thread pair screw rod, a bearing and a loose joint sleeve; the double-acting hydraulic cylinder comprises a cylinder body, a piston, a telescopic rod, a front cylinder cover, an oil pipe and a sealing piece which form a whole, the other end of the double-acting hydraulic cylinder is connected with a valve body, and a thread pair lead screw is connected with a mandrel to generate rotary motion to drive the telescopic rod to move. Aiming at the control requirements of the splitting machine, a displacement closed-loop feedback mode is used, the displacement of the compression roller is accurately controlled, the tightness degree of the winding machine is controlled, and the problem of tightness and looseness of the compression roller and a winding shaft is solved.

Description

technical field [0001] The invention relates to a digital hydraulic cylinder, in particular to a digital hydraulic cylinder applied to a textile slitting machine. Background technique [0002] The common hydraulic cylinder of the existing textile slitting device is used to control the rise of the pressure roller when the slitting machine stops. When the slitting machine is working, the proportional valve equipped with the hydraulic station is used to adjust the flow and pressure of the hydraulic station, and the oil cylinder is driven to control the tightness of the cloth on the rewinding shaft. At the same time, it is used to control the contact gap between the pressure roller and the rewinding cloth shaft to keep consistent. Therefore, the positioning accuracy of the oil cylinder determines the control accuracy and efficiency of the slitting machine. Because the position accuracy of the oil cylinder is not only controlled by the proportional valve, but also related to the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/14F15B15/20F15B21/08
CPCF15B15/1423F15B15/20F15B15/202F15B21/08
Inventor 邓宇书唐培贤王勇刮国良王志刚周凌云舒辉刘银辉刘泽民唐小琦易资兴焦小军
Owner 邵阳先进制造技术研究院有限公司
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