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A belt polishing machine

A technology of abrasive belt polishing and rotating body, which is applied in the direction of abrasive belt grinders, grinding/polishing equipment, metal processing equipment, etc., which can solve the problems of inconvenient disassembly and maintenance of rotary joints, and achieve long-term stable operation and improved sealing Form, the effect of improving the service life

Active Publication Date: 2021-07-09
ZHEJIANG JIULI HI TECH METALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an abrasive belt polishing machine to solve the problem of inconvenient disassembly and maintenance of the rotary joint

Method used

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  • A belt polishing machine
  • A belt polishing machine
  • A belt polishing machine

Examples

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Embodiment

[0027] Example: figure 1 , figure 2 with image 3 As shown, a belt polishing machine includes a spindle 1, a transition joint 2, and a rotary joint 3, and the main shaft 1 is a hollow shaft, and the center of the main shaft 1 is provided with a first through hole 101 through which is axially penetrated. The rotary joint 3 is located at the end of the main shaft 1, and the other end of the main shaft 1 is mounted and the barrier head is mounted on the frame by the bearing housing, the spindle 3 is attached to the frame, and the rotary joint is connected to the compressed air generator, such as a high pressure gas pump. .

[0028] Such as figure 2 As shown, the rotary joint 3 includes a fixing body 301 and a rotating body 302, and the fixing body 301 is attached to the outer side of the rotating body 302, and is mounted on the rotating body 302 by the rotating shaft, both relative. The rotating body 302 is disposed with the spindle 1 and rotates synchronously with the spindle 1.

[0...

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Abstract

The invention relates to an abrasive belt polishing machine, which includes a main shaft and a rotary joint. The main shaft is provided with a first air channel. The rotary joint includes a fixed body and a rotating body. The fixed body is provided with a high-pressure gas connection hole, and the rotating body is arranged on the main shaft. The end of the shaft rotates synchronously with the main shaft. There are at least two second air channels in the rotating body, and each second air channel is distributed to communicate with the corresponding first air channel; grooves are arranged on the fixed body, and the high-pressure gas The connection holes communicate with the corresponding grooves respectively, and the rotating body is provided with vent holes, and each second air channel communicates with the corresponding grooves through the vent holes. The invention installs the rotary joint at the end of the main shaft, which is convenient for disassembly and later maintenance; the ceramic wear-resistant layer provided on the outer wall of the rotary body and the cooling structure provided between the two sets of sealing structures can effectively improve the heating of the rotary joint and the aging of the seals Serious phenomenon, further improve the service life of the rotary joint.

Description

Technical field [0001] The present invention relates to the technical field of polishing apparatus, and in particular, to a belt polishing machine. Background technique [0002] The surface polishing of the steel pipe is one of the important links of the production of the bright tube. During the polishing process, the spindle is rotated with a large disc, and the rotary joint cannot be rotated due to the external compressed air conduit, so it produces a very large number of rotary joints and the main shaft. friction. After the rotary joint is rubbed with the spindle, the rotary joint often occurs when the seal is easily damaged, causing the compressed air to reach a large amount of cylinder on the large disc, causing insufficient cylinder not operating or cylinder pressure, affecting the surface polishing quality of the steel pipe. And it will cause damage to the spindle. [0003] And once this phenomenon occurs, the use cannot be ensured by simple parts, since the rotary joint i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B21/02B24B21/18
CPCB24B21/02B24B21/18
Inventor 华浩刘奎罗霞钟志宏王宝顺潘佳燕蔡志刚陈伟艾瑞驰·乌尔蒂希
Owner ZHEJIANG JIULI HI TECH METALS
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