Hard alloy composite roller
A technology of cemented carbide and composite rolls, which is applied in the direction of rolls, metal rolling, metal rolling, etc., and can solve problems such as failure of composite rolls, easy loosening of locks, etc.
Pending Publication Date: 2018-01-09
ZHEJIANG HENGCHENG CEMENTED CARBIDE
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Problems solved by technology
[0003] The purpose of the present invention is to provide a cemented carbide composite roller, which can effectively solve the problem that the existing cemented carbide composite roller is easy to loosen and cause the composite roller to fail
Method used
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Embodiment Construction
[0016] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0017] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " The orientation or positional relationship indicated by "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientation or position shown in the drawings The positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation,...
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The invention discloses a hard alloy composite roller comprising a core shaft, a lantern ring and a roller ring. The core shaft comprises a fixing end and a locking end, the fixing end is provided with a step so as to block the roller ring, and the core shaft is alternately sleeved with the roller ring and the lantern ring. The locking end of the core shaft is provided with a locking nut used forlocking the lantern ring and the roller ring to the core shaft, and the diameter of the core shaft from the fixing end to the locking end is gradually decreased. The hard alloy composite roller has the advantages that the diameter of the core shaft from the fixing end to the locking end is gradually decreased, and axial pre-tightening is generated for the lantern ring and the roller ring when thecore shaft is sleeved with the lantern ring and roller ring; and even though gaps are generated after the lantern ring rusts, the roller ring can also be kept to be unloosened through the effects of the pre-tightening force and the locking nut, and it is ensured that the composite roller does not lose efficacy.
Description
technical field [0001] The invention relates to a cemented carbide composite roller. Background technique [0002] Cemented carbide composite rolls are mainly used in high-speed wire rod finish rolling and pre-finishing mills. The main method is to wear the carbide roll rings on the mandrel, and there are spacers between the carbide roll rings. The end of the mandrel is then Through the bolt locking, after using the existing structure for a period of time, the spacer ring will rust, resulting in a gap between the roller ring and the spacer ring, so that the cemented carbide composite roll becomes invalid. Contents of the invention [0003] The purpose of the present invention is to provide a cemented carbide composite roller, which can effectively solve the problem that the existing cemented carbide composite roller is easily loosened and causes the composite roller to fail. [0004] In order to solve the above technical problems, the present invention is achieved through...
Claims
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Inventor 郭伟波黄椿金益民
Owner ZHEJIANG HENGCHENG CEMENTED CARBIDE