Copper bearing bush scraping process applied to cold flying shear
A tile scraping tile and copper shaft technology, which is applied in the field of copper bush scraping tile technology, can solve the problems of poor control of the assembly accuracy of the copper sleeve and crankshaft, heavy workload, and long maintenance time, so as to shorten the maintenance time of equipment, High work efficiency and cost-saving effect
Inactive Publication Date: 2020-11-27
LINGYUAN IRON & STEEL CO LTD
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Problems solved by technology
[0003] A copper bush scraping process applied to cold flying shears of the present invention aims to solve the need for experienced fitter work for assembling scraping tiles of cold flying shear copper tiles, and requires relatively high operating level of maintenance personnel. Crankshaft assembly pressure points, and then dismantling and then scraping the tiles is a lot of work, the maintenance time is long, and the assembly accuracy of the copper sleeve and the crankshaft is not easy to control
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[0024] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0025] In describing the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", etc. or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather t...
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Abstract
The invention relates to the technical field of machining, in particular to a copper bearing bush scraping process applied to a cold flying shear. The copper bearing bush scraping process applied to the cold flying shear comprises the following steps that a copper bearing bush is assembled on a cutter body seat; inner hole machining is carried out on the inner wall of the copper bearing bush through a boring machine; the copper bearing bush is opened, and main oil lines in an X shape and branch oil lines are drawn on the inner wall of the copper bearing bush; grooving is carried out along thedrawn oil lines by using a scraping knife; oil line grooves are ground; and the copper bearing bush is assembled on a machine to be detected, and the assembly is completed after the detection is qualified. According to the copper bearing bush scraping process applied to the cold flying shear, mechanical bush scraping is achieved through multiple times of machining of the copper bearing bush, the requirement of assembly precision for maintainers is lowered, the equipment maintenance time is shortened, the assembly precision is guaranteed, and the copper bearing bush scraping process has the characteristics of being high in working efficiency, shortening the maintenance time and saving the enterprise cost.
Description
technical field [0001] The invention relates to the technical field of mechanical processing, in particular to a copper bush scraping technology applied to cold flying shears. Background technique [0002] The inner diameter of the upper and lower crankshaft copper bushes of the cold flying shear is φ420mm. After the copper bearing bush wears a lot, the clearance between the crankshaft and the crankshaft exceeds the assembly standard. During the process of cutting steel by the cold flying shear, the side clearance of the cutting edge is 0.3-0.4mm, and the coincidence degree cannot be guaranteed. Between 3-5mm, it will cause cutting and bending of steel, or even damage equipment. Therefore, the crankshaft copper tile is a vulnerable part and needs to be replaced regularly. When the copper tiles of the upper and lower crankshafts of the cold flying shear are replaced and assembled, our traditional maintenance method is to scrape the copper tiles with a scraper on site, that is...
Claims
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IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 孙秀丽伍卫东李宏男
Owner LINGYUAN IRON & STEEL CO LTD