A kind of sanding machine which is convenient for adjusting the tightness of the sanding belt

Abstract

The invention discloses a rubber machine convenient for adjustment of the elasticity of a rubber belt and relates to a grinding machine. The rubber machine comprises a machine case, a motor, a driving roller, a driven roller and the rubber belt, wherein the driving roller is transversely arranged at the lower part in the machine case; a driving wheel, arranged outside the machine case, of the drilling roller, is connected with the motor in a driving manner; a longitudinal open groove is formed in one side of the upper part of the machine case; a shaft rod of the driven roller at the upper part in the machine case penetrates through the end part of the open groove and is arranged on the outer side of a case body; an inner fixed disk is arranged on the shaft rod at the inner side of the open groove; the driving roller in the machine case and the driven roller are connected by the rubber belt in the driving manner. The rubber machine convenient for the adjustment of the elasticity of the rubber belt, disclosed by the invention, has the advantages of simple structure, reasonable design, convenience for operation, replacement of the rubber belt as well as the adjustment of the elasticity of the rubber belt, and high machining precision; the working efficiency is greatly improved; the cost is saved; defective parts generated by misoperation in the machining process are reduced, so unnecessary waste is avoided.

Description

technical field [0001] The invention relates to a grinding machine, in particular to a sanding machine which is convenient for adjusting the tightness of the sanding belt. Background technique [0002] The sanding machine is usually used for grinding the surface of wood products, metal products or plastic products. The existing sanding machine is usually a single grinding wheel, while the existing double-wheel drives the sanding machine connected by the belt transmission. There are certain disadvantages, that is, the distance between the two wheels is fixed and inconvenient, which greatly hinders the installation of the abrasive belt and the adjustment of the tightness of the abrasive belt, resulting in low work efficiency and great inconvenience during use. In addition, during the grinding process of the existing sanding machine, the remaining waste chips fly everywhere and greatly damage the working environment. Contents of the invention [0003] The present invention a...

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Problems solved by technology

[0002] The sanding machine is usually used for grinding the surface of wood products, metal products or plastic products. The existing sanding machine is usually a single grinding wheel, while the existing double-wheel drives the sanding machine connected by the belt transmission. There are certain disadvantages, that is, the distance between the two wheels is fixed and inconvenient, which greatly hinders the installation of the abrasive belt and the adjustment of the tightness of the abrasive belt, resulting in low work efficiency and great inconvenience during use. In addition, during the grinding process of the existing sanding machine, the residual waste is flying everywhere, which greatly damages the working environment

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