CN217432620U

CN217432620U - Torsion guide for improving operation rate

Info

Publication number: CN217432620U
Application number: CN202221611362.0U
Authority: CN
Inventors: 王中权; 陈宏伟; 李燕熊; 彭敏; 杜庆
Original assignee: Baowu Group Echeng Iron and Steel Co Ltd
Current assignee: Baowu Group Echeng Iron and Steel Co Ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-09-16
Anticipated expiration: 2032-06-27

Abstract

The utility model relates to an improve twisting guide of operation rate, including leading and defending the frame, it installs upper guide pulley and lower guide pulley in the frame to lead and defend, upper guide pulley and lower guide pulley center respectively are equipped with a center pin, the center pin both ends pass through the bearing and lead and defend the frame attach, upper guide pulley and lower guide pulley outer wall respectively are equipped with one section toper section, form the rolled piece passageway of slope between two toper sections, be an contained angle between the central line of rolled piece passageway and the horizontal plane, it is equipped with the pre-twist mechanism to lie in the entrance of rolled piece passageway on leading and defending the frame, pre-twist mechanism center is equipped with the pre-twist passageway, the outer end of pre-twist passageway is equipped with the feed inlet, the inner is equipped with the discharge gate, the central line of feed inlet is parallel with the horizontal plane, the central line and the level of discharge gate personally submit b contained angle, b is less than a, the pre-twist passageway is from feed inlet to discharge gate smooth transition; the utility model discloses reduce and twist reverse the guide and change frequency and pile steel number of times, practice thrift process time, improve operating rate and output.

Description

Torsion guide for improving operating rate

Technical Field

The utility model relates to a rough rolling is led and is defended technical field, specifically is an improve twisting back of operation rate and lead and defend.

Background

The rough rolling area of a bar workshop is a flat rolling stand, an elliptical material type rolled piece enters a next-pass rolling mill, the steel feeding angle needs to be adjusted through a twisting guide, the original design twisting guide completely depends on an upper twisting guide wheel and a lower twisting guide wheel, the rolled piece is twisted by a certain angle to enter next-pass rolling, the temperature of a steel billet is high, the twisting angle of the twisting guide wheel is unstable when the twisting angle is too large, a bearing is frequently damaged, and the operation rate and the yield are influenced when production is wrong.

Disclosure of Invention

The utility model aims at providing a twist reverse guide of improvement operating rate in order to solve above-mentioned twist reverse angle and lead to twisting reverse the fragile problem of guide pulley bearing when too big.

The utility model has the following concrete scheme: a torsion guide for improving the operation rate comprises a guide frame, wherein an upper guide wheel and a lower guide wheel are arranged in the guide frame, a central shaft is arranged at the center of each of the upper guide wheel and the lower guide wheel, two ends of the central shaft are connected with the guide frame through bearings, a section of conical section is arranged on the outer wall of each of the upper guide wheel and the lower guide wheel, an inclined rolled piece channel is formed between the two conical sections, an included angle a is formed between the central line of the rolled piece channel and the horizontal plane, a pre-torsion mechanism is arranged at an inlet of the rolled piece channel on the guide frame, a pre-torsion channel is arranged at the center of the pre-torsion mechanism, a feed inlet is arranged at the outer end of the pre-torsion channel, a discharge outlet is arranged at the inner end of the pre-torsion channel, the central line of the feed inlet is parallel to the horizontal plane, an included angle b is formed between the central line of the discharge outlet and the horizontal plane, and the b is smaller than a, and the pre-torsion channel is in smooth transition from the feed inlet to the discharge outlet.

The utility model discloses 3 degrees a-b < 10 degrees.

The length of turning round the passageway in advance is 200~500mm in the horizontal direction.

The utility model discloses following beneficial effect has: the torsion angle of the torsion guide wheel is reduced by arranging the pre-torsion mechanism, so that the stress of the bearing is reduced, the service life of the torsion guide wheel is prolonged, the replacement frequency and steel piling frequency of the torsion guide are reduced, the production time is saved, and the operation rate and the yield are improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the torsion guide wheel of the present invention;

FIG. 3 is a schematic structural view of the pre-twisting mechanism of the present invention;

FIG. 4 is a left side view of FIG. 3;

FIG. 5 is a right side view of FIG. 3;

in the figure: 1-guide frame, 2-upper guide wheel, 3-pre-twisting mechanism, 4-pre-twisting channel and 5-lower guide wheel.

Detailed Description

Referring to fig. 1-5, the embodiment is a torsion guide for improving the operation rate, which includes a guide frame 1, an upper guide wheel 2 and a lower guide wheel 5 are installed in the guide frame 1, a center shaft is respectively installed at the centers of the upper guide wheel 2 and the lower guide wheel 5, both ends of the center shaft are connected with the guide frame 1 through bearings, a tapered section is respectively installed on the outer walls of the upper guide wheel 2 and the lower guide wheel 5, an inclined rolled piece channel is formed between the two tapered sections, an included angle a is formed between the center line of the rolled piece channel and the horizontal plane, a pre-torsion mechanism 3 is installed at the entrance of the rolled piece channel on the guide frame 1, a pre-torsion channel 4 is installed at the center of the pre-torsion mechanism 3, a feed inlet is installed at the outer end of the pre-torsion channel 4, and a discharge outlet is installed at the inner end of the pre-torsion channel 4, as shown in fig. 4, the central line of the feeding port is parallel to the horizontal plane, the central line of the discharging port forms an included angle b with the horizontal plane, b is smaller than a, and the pre-twisting channel 4 is in smooth transition from the feeding port to the discharging port.

The present embodiment a-b =5 °, typically between 3 ° -10 °.

The length of the pre-twisting channel 4 in the horizontal direction is 300mm (generally, the length is set within a range of 200-500 mm).

In the embodiment, on the basis of the twisting guide in the prior art, a pre-twisting mechanism 3 is arranged, the guide is adjusted to an angle b from the horizontal direction by a pre-twisting channel 4, a rolled piece is pre-twisted by a certain angle through a guide groove before being twisted by a guide wheel, and the twisting angle of the guide wheel is reduced from a to a-b.

Claims

1. The utility model provides an improve twisting reverse of operation rate and lead and defend, including leading and defending the frame, lead and defend the frame and be equipped with upper guide wheel and lower guide wheel in, upper guide wheel and lower guide wheel center respectively are equipped with a center pin, and the center pin both ends are passed through the bearing and are led and defend the frame connection, and upper guide wheel and lower guide wheel outer wall respectively are equipped with one section toper section, form the rolled piece passageway of slope between two toper sections, are a contained angle, characterized by between the central line of rolled piece passageway and the horizontal plane: the guide and guard frame is provided with a pre-twisting mechanism at the inlet of the rolled piece channel, the center of the pre-twisting mechanism is provided with a pre-twisting channel, the outer end of the pre-twisting channel is provided with a feed inlet, the inner end of the pre-twisting channel is provided with a discharge outlet, the central line of the feed inlet is parallel to the horizontal plane, the central line of the discharge outlet and the horizontal plane form an included angle of b, b is smaller than a, and the pre-twisting channel is in smooth transition from the feed inlet to the discharge outlet.

2. The torsional guide of claim 1 for improved operating efficiency, wherein: a-b is more than 3 degrees and less than 10 degrees.

3. The torsional guide of claim 1 for improved operating efficiency, wherein: the length of the pre-twisting channel in the horizontal direction is 200-500 mm.