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Hydraulic double moving stretcher oil cylinder

A stretching machine and oil cylinder technology, which is applied in the field of hydraulic oil cylinders, can solve the problems of time-consuming disassembly and assembly, difficulty in precise adjustment, and increasing the height and size of the whole machine.

Inactive Publication Date: 2004-04-28
SUZHOU YUEHAI STRETCHING MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This adjustment structure not only increases the number of machine tool accessories, takes time to disassemble and assemble, and is difficult to adjust accurately, but also makes the height direction structure of the upper oil cylinder not compact, thus increasing the height of the whole machine

Method used

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  • Hydraulic double moving stretcher oil cylinder
  • Hydraulic double moving stretcher oil cylinder

Examples

Experimental program
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Effect test

Embodiment Construction

[0008] The structure of the oil cylinder on the hydraulic double-action stretching machine of this embodiment is as follows: figure 1 Shown, mainly by cylinder block 15, oil cylinder end cover 9, guide end cover 24, piston 10, piston rod 12 and center screw rod 18 form.

[0009] The upper and lower two ends of the cylinder block 15 are respectively connected with the guide end cover 24 and the oil cylinder end cover 8 with the stud bolt 4, the flat washer 2, the spring washer 3 and the nut 1. The oil cylinder end cover 9 is shaped on the upper oil delivery hole, and the cylinder body 15 is shaped on the lower oil delivery hole where the oil pipe joint 22 is installed. Piston 10 is housed in cylinder body 15 middle parts. The guide ring 6 and the combined seal 19 for the hole are inlaid on the piston 10, the O-ring seal 5 is inlaid on the shaft end where the piston rod 12 is connected with the piston 10, and the piston 10 is fixedly connected by the snap ring 8 and the shaft c...

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PUM

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Abstract

The present invention belongs to the field of rolling equipment technology. The upper oil cylinder for hydraulic double-moving stretcher has a cylinder with oil holes in upper and lower end and piston in the middle part, and the piston is connected to the piston rod in one end and stretching beyond the lower end of the cylinder and fitted to the cylinder in sealing mode. The present invention has improved piston rod, which is hollow and has counter bore with fixed guide key, inserted central screw with guide slot, external screw thread with locking screw nut, adjusting screw nut on the central screw and limited by the locking screw nut. Loosening the locking screw nut and regulating the adjusting screw makes the central screw move linearly for regulating structure precisely. The upper oil cylinder has relatively great regulation range, compact axial size and small height.

Description

technical field [0001] The invention relates to a hydraulic oil cylinder, in particular to an upper oil cylinder of a hydraulic double-action drawing machine, and belongs to the technical field of calendering equipment. Background technique [0002] The upper oil cylinder is one of the main working parts of the hydraulic double-action stretching machine, which is installed on the top of the frame. The upper and lower ends of the cylinder body of the existing hydraulic double-action stretching machine are respectively provided with oil delivery holes, and the middle part is equipped with a piston. One end of the piston is fixedly connected with the piston rod, and the piston rod protrudes from the lower end of the cylinder body. , with the cylinder seal. When the upper and lower oil holes of the cylinder block are under the control of the oil delivery valve, when the oil is supplied from time to time and the oil is output from time to time, the piston will reciprocate and li...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C23/00F15B15/16
Inventor 韩建国
Owner SUZHOU YUEHAI STRETCHING MACHINERY
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