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Billet turning water-cooled toothed wheel

A toothed wheel, water cooling technology, applied in the direction of cooling bed, metal rolling, manufacturing tools, etc., can solve the problems of easy burning of toothed working surface, low operation efficiency, etc., to achieve good sealing, prolong service life, avoid The effect of equipment overheating

Active Publication Date: 2017-05-24
ANHUI MASTEEL ENG & TECH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Aiming at the problems existing in the prior art that the turning of the billet depends on the natural cooling of the ambient air, the tooth-shaped working surface is easy to burn, and the operating efficiency is low

Method used

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  • Billet turning water-cooled toothed wheel
  • Billet turning water-cooled toothed wheel
  • Billet turning water-cooled toothed wheel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] Take the water-cooled cooling bed device of billet turning gear wheel as an example, such as figure 1 , figure 2 , image 3 and Figure 13 As shown, the hot steel billet X is transported in the direction of Xa→Xb, that is, at the starting position Xa of the billet on the bed, it starts to rotate with each water-cooled toothed wheel 2, and the hot steel billet X is transferred to the next water-cooled toothed wheel 2 until the steel billet goes down. Bed end position Xb gets out of bed and ends. When each water-cooled toothed wheel 2 turns over the hot billet X, it goes through the process of turning → natural air cooling → straightening → transportation.

[0063] The water cooling of the present invention is used for the cooling of the mechanical equipment body, such as figure 1 , figure 2 , image 3 and Figure 13 As shown, one way of cooling water: from the water inlet branch pipe Jn on the water inlet pipe main pipe J, directly flows into each cooling bearin...

Embodiment 2

[0078] Such as figure 1 , figure 2 , Figure 10 , Figure 11 and Figure 12 As shown, a set of two-way rotary joint 5 is installed at the non-transmission side end of each water-cooled transmission shaft 1. Technical parameters: the cooling medium is industrial water, the working pressure is 0.3-0.4MPa, there is pressure return water, and the water flow rate is 2t / h, inlet water temperature ≤ 25°C, return water temperature ≤ 55°C. Design structure: the Y diameter of the water inlet main pipe is 50mm, the Z diameter of the return water main pipe is 150mm, the transparent ring 102 has through holes evenly distributed 8-Φ35mm, and the outer diameter of the composite rubber sleeve 101 is embedded in the concave end Y' of the water inlet main pipe The inner diameter of the composite rubber sleeve 101 is a tapered hole type, so that the fit between the outer cones at the convex end Y” of the water inlet main pipe is tight; the large-diameter end of the composite rubber 101 is ...

Embodiment 3

[0080] Basically the same as embodiment 2, such as image 3 , Figure 7 , Figure 8 , Figure 9 As shown, the half-toothed wheel 201 in the water-cooled toothed wheel 2 adopts steel structure weldment, and the welded steel that does not directly contact with the billet adopts Q345-B steel structure weldment; and the tooth-shaped working surface 203 adopts 42CrCo wear-resistant The impact material, heat treatment and quenching of the working surface, and the cooling water have played a role in high temperature resistance for the material used for the toothed working surface 203, greatly prolonging the service life of the water-cooled toothed wheel 2.

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Abstract

The invention discloses a steel billet turning water-cooling toothed wheel, and belongs to the field of metallurgical equipment. The water-cooling toothed wheel is composed of two pieces of half toothed wheels which are fixedly connected through connecting parts, the outer side of the water-cooling toothed wheel is the toothed working face which makes contact with a steel billet, a toothed water-cooling cavity is formed by a tooth of each piece of the half toothed wheel and the middle of the inner side of the piece of the half toothed wheel, water-cooling transition cavities are formed by the lowest positions of the toothed working face of each half toothed wheel and the inner side of the half toothed wheel, and the toothed water-cooling cavities of the adjacent teeth are communicated through the corresponding toothed water-cooling transition cavity; the end face of each half toothed wheel is a half toothed wheel spigot, one spigot of one half toothed wheel is a concave slot, the other spigot of the other half toothed wheel is a convex slot, and the concave slot is matched with the convex slot; one side of the half toothed wheel spigot at one end of the two half toothed wheels is communicated with the toothed water-cooling cavities of the two half toothed wheels through a tooth wheel transition water pipe, and the toothed water-cooling cavities of the half toothed wheels at the other end of the two pieces of the half toothed wheels are connected with a water inlet hose Ynm and a return water hose Znm. The steel billet turning water-cooling toothed wheel has the advantages that a machined workpiece cooled through water is long, working of the working face is long lasting, and the cooling efficiency is high.

Description

technical field [0001] The invention relates to the field of metallurgical equipment, more specifically, to a steel billet turning water-cooled toothed wheel. Background technique [0002] In the continuous casting and rolling production line, when the billet turning U-V tooth plate or toothed wheel cooling bed device is used to receive hot billets of various specifications for turning cooling and straightening, the effective cooling length of the cooling bed equipment is 12-60m, and the cooling width is 9- 14m. The temperature of the upper cooling bed of the hot billet is 850°C, and the temperature of the lower cooling bed of the hot billet is controlled below 350°C. The existing technology is that the U-V tooth plates on the billet turning U-V tooth plate cooling bed device are mutually exchanged to support the hot steel billet to be continuously turned over and transported, or the toothed wheel on the steel billet turning toothed wheel cooling bed device directly support...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B43/00B22D11/124B22D11/12
Inventor 黄钢徐旭鲁照亮
Owner ANHUI MASTEEL ENG & TECH GRP
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