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Loop table system

A looper and looper technology, applied in the field of looper systems, can solve the problems of small scars on the surface of finished coils, improve the acceptance rate, solve the problems of thermal scratches and small scars, and facilitate replacement and daily maintenance Effect

Inactive Publication Date: 2021-03-09
MAANSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantages: due to the centrifugal force after the sleeve is set, it is easy to form a downward torsional force at the inlet and outlet of the table, resulting in hard scratches and hard wire drawing on the red steel and the table of the looper table, and then rolled again in the next pass In the process of manufacturing, wire drawing and scratch defects are mixed on the surface of the red steel, and small scars and pits are brought to the surface of the finished coil
[0005] This scheme is a good exploration of the looper system, but there is still room for further optimization, and the exploration of the looper system in this industry has never stopped

Method used

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Embodiment 1

[0039] combine Figure 1-Figure 5 , a kind of looper table system of the present embodiment, comprises the looper table 210, and the both sides of the looper table 210 along the rolling direction are all provided with paired guide rollers 212, and the paired guide rollers 212 of both sides are opposite to the inside All are provided with the lead-in groove 211 that runs through the thickness of the looper table top 210, that is, as figure 1As shown in the orientation, in this embodiment, the right side of the left pair of guide rollers 212 is provided with a steel guide groove 211, and the left side of the right pair of guide rollers 212 is also provided with a steel guide groove 211, and the steel guide groove 211 is arranged on both sides. The slots 211 are distributed symmetrically and inclined outwards, and free rollers 100 are arranged in the steel-leading slots 211 , and the top position of the free rolls 100 exceeds the top position of the looper table 210 . The free r...

Embodiment 2

[0049] A kind of looper system of this embodiment, the specific structure is the same as that of Embodiment 1. Furthermore, in this embodiment, a lubricating oil hole is opened on the fixed seat 130, and the lubricating oil hole is connected with the installation hole, and only the The lubricating oil is injected into the lubricating oil hole, and the installation hole can be oiled, which can effectively relieve the rolling friction between the fixed shaft 120 and the fixed seat 130, avoid jamming, and ensure the normal use of the free roller 100.

[0050] In this embodiment, the U-shaped opening 223 is provided with a gasket, and the fixing seat 130 is installed on the gasket, and the pressure roller bolts pass through the threaded holes in the fixing seat 130, the gasket and the support section 221 in turn, and the fixing seat 130 , the gasket and the support section 221 are connected together. After the free roller 100 wears out, when the height of the free roller 100 chang...

Embodiment 3

[0055] A kind of looper table system of this embodiment, the specific structure is the same as that of Embodiment 1, and its difference is that, the included angle between the top of the small end face 101 and the top of the large end face 102 and the horizontal line in this embodiment is α, and α is 4°.

[0056] In this embodiment, the angle β between the central axes of the free rollers 100 on both sides is 60°.

[0057] In this embodiment, the distance L1 between the top of the small end face 101 and the top of the looper table 210 is 5 mm; the distance L2 between the top of the large end face 102 and the top of the looper table 210 is 15 mm.

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Abstract

The invention discloses a loop table system, and belongs to the technical field of steel rolling mechanical equipment. The loop table system comprises a loop table top and a fixing frame arranged below the loop table top, the fixing frame comprises a supporting section, a U-shaped opening is downwards formed in the top of the supporting section, connecting sections are arranged on the two sides ofthe top of the supporting section in an outward horizontal extending mode, penetrating steel guiding grooves are formed in the positions, corresponding to the U-shaped opening, of the loop table top,and the connecting sections are connected with the bottom of the loop table top through a connecting piece. The loop table system aims to overcome the defect that in the prior art, the surface of a steel billet is prone to hot scratching on a loop table, the loop table system is provided, the hot scratching on the surface of the bottom of the steel billet can be effectively reduced by arranging free rollers, and the size precision and the surface quality of a finished product are greatly improved.

Description

technical field [0001] The invention belongs to the technical field of steel rolling machinery equipment, and more specifically relates to a looper table system. Background technique [0002] A spring is a mechanical part that uses elasticity to work, and is generally made of spring steel. Spring steel has extremely high requirements on the surface quality and dimensional accuracy of the finished product. In addition to the internal performance inspection of the spring steel, there are also strict requirements on the number of scratches on the coil cleaner, generally within 50 points, mainly through On-line flaw detection and surface defect detector for detection. [0003] The analysis and research on the hot scratches occurring in the production and rolling process of spring steel revealed that one of the main reasons affecting the hot scratches is the effect of the looper. The function of the looper table is to use the size of the set to release and store part of the exc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B41/08
CPCB21B41/08
Inventor 宫辉彭进明朱翔
Owner MAANSHAN IRON & STEEL CO LTD
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