Grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line

A driving mechanism and cast iron pipe technology, which is applied to machine tools, grinding/polishing equipment, grinding machines, etc. designed for grinding the rotating surface of workpieces, can solve the problems of inability to ensure effective transmission of grinding force, low efficiency utilization of grinding motors, and Frequent bending of the long grinding rod shaft, etc., achieves the effects of weight reduction, simplified structure, and extended replacement cycle
CN101797706AActive Publication Date: 2010-08-11WUHU XINXING DUCTILE IRON PIPES
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
WUHU XINXING DUCTILE IRON PIPES
Publication Date
2010-08-11

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Abstract

The invention discloses a grinding and driving mechanism of an inner grinder of a large-diameter cast iron pipe production line. The mechanism is provided with a grinding rod shaft bracket connected to a connecting seat of the inner grinder, and a grinding rod shaft is arranged on the front part of the grinding rod shaft bracket extending into a cast iron pipe through a bearing block, wherein the axis of the grinding rod shaft is longitudinally parallel to the grinding rod shaft bracket; and a driving motor is fixed on the grinding rod shaft bracket and connected with the grinding rod shaft through a belt transmission mechanism. The adoption of the technical scheme simplifies the structure of the inner grinder, decreases the length of the grinding rod shaft and reduces the number of supporting bearing blocks of the grinding rod shaft; in addition, the weight of the equipment mechanism is lightened, and under the condition that the power of a grinding electromotor keeps unchanged, the grinding time is reduced, and the replacement period of the grinding rod shaft is prolonged, thereby reducing the inventory of spare parts, greatly improving the production efficiency and reducing the production cost.
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Description

technical field

[0001] The invention belongs to the technical field of production equipment in the metallurgical industry, and relates to process equipment for a large-diameter cast iron pipe production line. More specifically, the invention relates to a grinding drive mechanism for an internal mill in a large-diameter cast iron pipe production line. Background technique

[0002] In the production process of centrifugal ball milled cast iron pipe, the grinding of the surface finish of the lining material is realized by an internal mill.

[0003] At present, the grinding drive mechanism of the internal grinding machine adopts the grinding drive motor to be placed on the frame of the internal grinding trolley, and the high-speed rotation of the grinding wheel is driven by the split long grinding rod shaft supported by multiple points.

[0004] In order to ensure the smooth operation of the inner grinding car during the grinding process, the grinding wheel exerts the same grind...

Claims

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