Wide belt sanding machine abrasive band reciprocating locus modification device

A wide-band sanding machine and reciprocating motion technology, which is applied in the field of sanding machines, can solve the problems of difficult to achieve the expected correction of the abrasive belt, not many, and the abrasive belt is detached.
CN100569446CInactive Publication Date: 2009-12-16张文奇
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
张文奇
Publication Date
2009-12-16
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a belt reciprocating motion and track correction device for a wide-band sander. The base of the machine base is pivotally fixed with a driving wheel, and a bracket is arranged above the machine base. The driven wheel corresponding to the driving wheel is pivoted, and then the bracket swings with the shaft as the fulcrum in a corrected configuration. The modified configuration is provided with cams side by side on both sides of the guide rod set on the bracket. The two cams will rotate when turning the wheel. Form a fixed distance, which is larger than the guide rod and has clearance, and the distance can move the abrasive belt laterally with the rotation of the two cams, so that the two cams can pull the guide rod with a time difference, so that the bracket can be rotated by the shaft The fulcrum makes simple harmonic motion, so that the abrasive belts around the outer circumference of the driving wheel and the driven wheel can effectively reduce the unilateral wear.
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Description

technical field

[0001] The invention relates to a sanding machine, in particular to a belt reciprocating motion and track correction device of a broadband sanding machine. Background technique

[0002] Sanding machine is a machine table with two rollers whose axes are parallel to each other at intervals, and an abrasive belt is wound around the outer circumference of the two rollers, and a motor is used to drive one of the rollers so that the two rollers can be driven together. The workpiece is pressed on the grinding surface of the abrasive belt, and the working surface can be sanded by friction.

[0003] However, the abrasive belt is mainly composed of a non-woven belt or a paper belt coated with a wear-resistant material. The inner hole of the non-woven belt or paper belt is limited by the material factor, and it will be in the shape of a trumpet hole, so the two rollers are worn between them. When sanding, there will often be uneven processing of unilateral force. Speci...

Claims

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