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Magnetic coupling triaxial cylinder with adjustable buffer mechanism

The technology of a buffer mechanism and a three-axis cylinder is applied in the direction of fluid pressure actuating devices, which can solve the problems of poor reliability and potential safety hazards, and achieve the effect of buffering the impact force of the piston and saving energy.

Active Publication Date: 2013-12-11
NINGBO AIRTAC AUTOMATIC INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Another object of the present invention is to provide a safe and reliable magnetically coupled three-axis cylinder with an adjustable buffer mechanism in order to solve the problems of potential safety hazards and poor reliability of the magnetically coupled three-axis cylinder in the prior art

Method used

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  • Magnetic coupling triaxial cylinder with adjustable buffer mechanism
  • Magnetic coupling triaxial cylinder with adjustable buffer mechanism
  • Magnetic coupling triaxial cylinder with adjustable buffer mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] exist figure 1 , figure 2 , image 3 In the shown embodiment 1, a magnetically coupled three-axis cylinder with an adjustable cushioning mechanism includes a cylinder tube and guide rods 18 symmetrically arranged on both sides of the cylinder tube, a piston 22 arranged in the cylinder tube and The sliding body 23 arranged outside the cylinder tube, the piston and the sliding body are equipped with magnetic components 10 and connected by magnetic coupling, and the connection between the two ends of the cylinder tube 1 and the cylinder end cover 2 is symmetrically provided with a cylindrical structure The buffer end cap 3, the cylinder end cap is provided with a buffer end cap installation chamber that is compatible with the buffer end cap, the buffer end cap is placed in the buffer end cap installation cavity, between the outer wall of the buffer end cap and the cylinder end cap A sealing structure is provided, and the two ends of the guide rod 18 and the cylinder end...

Embodiment 2

[0026] The end of the front buffer head of embodiment 2 is provided with a spring cavity 19, and a buffer spring 20 is arranged in the spring cavity. There are 3 buffer springs, coaxially stacked, one end of the spring is fixed to the bottom of the spring cavity, and the other One end is suspended in the air, and the direction of rotation of two adjacent buffer springs is opposite. The free length of the buffer spring near the axis is larger than that of the outer buffer spring, and the diameter of the spring wire of the buffer spring near the axis is smaller than that of the outer buffer spring (see Figure 4 ), the ratio of the cross-sectional area of ​​the main air hole to the cross-sectional area of ​​the buffer air hole is 2 to 1, the length ratio of the front buffer head to the rear buffer head is 1 to 1.2, the conical structure taper of the front buffer head is 1 to 3.6, and the rest and Example 1 is the same.

Embodiment 3

[0028] The bottom of the buffer cavity of embodiment 3 and the end of the front buffer head opposite to it are all protrudingly provided with a buffer magnet 21, the buffer magnet is in a ring structure, and the buffer magnet at the bottom of the buffer cavity is opposite to the buffer magnet at the end of the front buffer head. have the same polarity (see Figure 5 ), the ratio of the cross-sectional area of ​​the main air hole to the cross-sectional area of ​​the buffer air hole is 4 to 1, the length ratio of the front buffer head to the rear buffer head is 1 to 2.4, the conical structure taper of the front buffer head is 1 to 4.8, and the rest and Example 1 is the same.

[0029] When the magnetically coupled three-axis cylinder with adjustable cushioning mechanism of the present invention is working, the main air circuit on the cylinder end cover is connected to the air source, and the piston reciprocates in the cylinder tube under the action of compressed air, and the slid...

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Abstract

The invention discloses a magnetic coupling triaxial cylinder with an adjustable buffer mechanism. A buffer end cover with a buffer chamber is arranged at the connection position between the two ends of a cylinder pipe and a cylinder end cover; the cylinder pipe is in threaded connection with the buffer end cover; a main air hole which is communicated with a main air channel is formed at the bottom of the buffer chamber of the buffer end cover; a buffer air hole which axially passes through the buffer end cover is formed on the chamber wall of the buffer chamber, and is communicated with the main air channel through a buffer air channel; an adjusting screw is arranged on the buffer air channel; buffer heads are arranged at the two ends of a piston; a buffer sealing ring is arranged in the buffer chamber; and the buffer heads comprise round-table-shaped front buffer heads and cylindrical rear buffer heads. The problems of small using ranges, short service life, low safety and low reliability of the magnetic coupling triaxial cylinder in the prior art are effectively solved; and the magnetic coupling triaxial cylinder has extremely high social benefits and economical benefits.

Description

technical field [0001] The invention relates to a magnetically coupled three-axis cylinder without a piston rod for driving various machines, in particular to a magnetically coupled three-axis cylinder with an adjustable buffer mechanism that can smoothly decelerate and stop the piston at the end of the stroke cylinder. Background technique [0002] The prior art rodless magnetically coupled three-axis cylinder usually includes a circular cylinder tube made of non-magnetic material, a pair of cylinder end caps closing its two ends, and a piston that moves airtightly in the above cylinder tube, which can move along the cylinder tube. The outer surface of the tube moves to drive the sliding body of the mechanical parts and the magnetic parts set on the above-mentioned piston and sliding body for mutual magnetic coupling connection; this kind of cylinder uses compressed air supplied from the air hole on the end cover The piston is moved, and the slider and the piston are simul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B15/08
Inventor 王世忠
Owner NINGBO AIRTAC AUTOMATIC INDAL