A centering roller device with adjustable center position
A center position, centering roll technology, applied in the direction of mandrel, metal processing equipment, metal rolling, etc., can solve the problems of deviation from the rolling line affecting normal production, equipment center deviation, etc., to achieve outstanding substantive features and meet production requirements effect of demand
Inactive Publication Date: 2017-01-04
烟台鲁宝钢管有限责任公司
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Problems solved by technology
[0006] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art, and provide a centering roller device with an adjustable center position, which mainly solves the problem that the center of the equipment is shifted and deviated from rolling due to the wear of the centering roller in the existing steel pipe production. The problem that the line affects the normal production
Method used
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Embodiment 1
[0015] Example 1, see figure 1 , 2 ,, adopt the central position of the centering roller frame that meets the design requirements to process a frame circular hole 7, and process a base circular hole 9 on the base that matches it. The edges of the two circular holes overlap, and the coincidence point is at In the rolling direction; the eccentric circular column includes a frame circular column 6 and a base circular column 8, and the edges of the two circular columns overlap, and the coincidence point is in the rolling direction; the frame circular column 6 and the base circular column 8 are Cooperating with the circular hole 7 of the frame and the circular hole 9 of the base, the eccentric circle rotates along the center of the circular column 8, and the circular column 6 of the frame is offset, so that the position adjustment of the centering roller in the vertical direction of rolling can be realized. Realize that the center of the centering roll is always consistent with th...
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The invention discloses a central adjustable centering roller device which comprises a base, a centering roller frame, a small-open hydraulic cylinder (1), a large-open hydraulic cylinder (22) and a centering roller (18). The small-open hydraulic cylinder (1) is connected with the large-open hydraulic cylinder (22), and the position of the frame of the centering roller (18) is fixed by a nut (21) on a piston rod of the large-open hydraulic cylinder (22). The central adjustable centering roller device is characterized in that a frame circular hole (7) is formed in the center of the centering roller frame, a base circular hole (9) matched with a base is formed in the base, a frame circular column (6) and a base circular column (8) are matched with the frame circular hole (7) and the base circular hole (9) respectively to form an eccentric circular key, a positioning block (2) is arranged below the small-open hydraulic cylinder (1), a pin shaft (5) and a bolt are arranged below the positioning block (2), the bolt moves along a long hole in the side face of the positioning block (2) when the pin shaft (5) vertically moves, a counter bored hole corresponding to the positioning block (2) is formed in the centering roller frame, so that the center of the centering roller can be adjusted and is consistent with a rolling line, and production requirements are met.
Description
[0001] Technical field: [0002] The patent of the present invention relates to the technical field of steel pipe production equipment, specifically a centering roller device with an adjustable center position. [0003] Background technique: [0004] At present, the central position of the centering roller in the piercing machine or pipe expansion background in the steel pipe production process is fixed. After the centering roller has been used for a period of time, the center position will shift due to the degree of wear of each roller and the gap between the equipment of each component, which will cause the center of the equipment to shift. , deviated from the rolling line, affecting the normal production. [0005] Invention content: [0006] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art, and provide a centering roller device with adjustable center position, which mainly solves the problem that the equipment center is s...
Claims
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IPC IPC(8): B21B25/00
Inventor 杨红霞祝昌涛
Owner 烟台鲁宝钢管有限责任公司