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Cold rolling mill

A technology of cold-rolled pipe mills and racks, which is applied in the direction of rolling mill control devices, metal rolling, metal rolling, etc., and can solve problems affecting the quality and output of rolled pipes

Inactive Publication Date: 2011-12-21
电钢城重型机械开放式股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Since the rolling process is carried out on the basis of low deformation speed, the above shortcomings affect the quality and output of rolled tubes

Method used

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  • Cold rolling mill
  • Cold rolling mill
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Embodiment Construction

[0016] The invention is described below in conjunction with specific examples and accompanying drawings thereof:

[0017] The cold rolling mill includes a driven working frame 1, a batching and feeding device 2 with a feeding screw 3, the batching and feeding device 2 is connected with the working frame 1 through a guide device 4, and the billet chuck 5 The nut 6 interacts with the feeding screw 3, and the front bracket 7 and the rear bracket 8 support the feeding screw, the core rod and the billet. The front bracket 7 and the rear bracket 8 are connected in pairs by tractors 9 . One of the tractors 9 connecting the brackets is nested inside the other, and can be extended and retracted.

[0018] A sensor 10 is installed on the front bracket 7, so that a signal can be sent when the billet front passes, and several locators 11 of this sensor are arranged on the guide device 4 . A billet holder 12 is installed on the front of the front bracket 7 . The carriages 7, 8 and the bi...

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PUM

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Abstract

The invention is used in a cold-rolled pipe mill for charging one end of a billet. The cold rolling mill contains a driven working frame, a feed screw type batching and feeding device, the batching and feeding device is connected to the working frame through a guide device, the nut on the billet chuck interacts with the feeding screw, and the front The bracket and the rear bracket support the feeding screw, core rod and billet. The front bracket and the rear bracket are connected in pairs by telescopic tractors. A sensor is installed on the first front bracket, which can send a signal when the front end of the billet passes, and some positioners for this sensor are arranged on the guide. Install the upper billet holder in front of the front bracket. The invention enables the cold rolling mill to track the broken seam between the front and rear tube blanks when reloading and when the broken seam travels in the deformation zone, thus improving the reliability of the automatic work of the cold rolling mill and making it the most efficient The rolling operation can be carried out at the best process speed, thereby improving the quality of the rolled tube and increasing the output of the cold-rolled tube mill.

Description

technical field [0001] The invention relates to the field of rolling metal processing, in particular to a cold-rolled pipe mill loaded with billets at one end. Background technique [0002] Known Mannesmann-Demark K∏B 25 BMP (KPW 25 VMR) cold rolling mill, see the article "Construction, Repair and Maintenance of Cold Rolling Mill", the author is Kondratov. L. A. Chetyurin Ю.Б., Bogdanov H.T., Makarkin H.C., pp. 118-125 of the Moscow Journal of Metallurgy, published in 1994. [0003] The above-mentioned known cold-rolled pipe mill comprises a working frame with a movable power base, a crankshaft driving device, and a feeding screw type batching and feeding device. The ingredient feeding device includes core rod clamping, rotating and feeding devices. The nut on the billet chuck interacts with the feed screw, and the front and rear brackets are connected in pairs by tractors. The bracket supports the feed screw, mandrel and billet. The ingredient feeding device is connecte...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B37/78B21B21/04
Inventor 马尔沙罗夫·谢尔盖·安德烈耶维奇耶萨科夫·亚历山大·弗拉迪米洛维奇米特洛法诺娃·奥尔加·鲍里索夫纳舒宾娜·拉莉萨·伊万诺夫娜
Owner 电钢城重型机械开放式股份公司