阅读说明：本技术 一种双边剪单边剪切的装置及方法 (Device and method for shearing single edge of double-edge scissors ) 是由 张秀超 乔万有 姜世伟 高轶桐 王若刚 赵立军 李新玲 侯盈 胡洪强 于 2021-09-15 设计创作，主要内容包括：一种双边剪单边剪切的装置及方法,装置包括移动侧双边剪、固定侧双边剪、入口辊道,所述双边剪输送辊道上设有辊道护板,在所述固定侧双边剪入口辊道设置两套旋转式靠齐导入装置,所述旋转式靠齐导入装置能够抬起和落下,所述旋转式靠齐导入装置的两个靠齐导向轮处于工作位时,钢板经所述两个靠齐导向轮导向后,向移动侧双边剪偏移一个距离。与现有技术相比,本发明的有益效果是：本发明在双边剪原有功能的基础上,开发出了总切边量为20-40mm钢板的切边功能,满足了部分钢板二次回剪的工艺需求,并保证其剪切质量。(The device comprises a movable-side double-sided shear, a fixed-side double-sided shear and an inlet roller way, wherein a roller way guard plate is arranged on a conveying roller way of the double-sided shear, two sets of rotary type aligning and guiding devices are arranged on the inlet roller way of the fixed-side double-sided shear, the rotary type aligning and guiding devices can be lifted and fall down, two aligning guide wheels of the rotary type aligning and guiding devices are positioned at a working position, and a steel plate deflects to the movable-side double-sided shear by a distance after being guided by the two aligning guide wheels. Compared with the prior art, the invention has the beneficial effects that: on the basis of the original functions of the double-sided shears, the invention develops the trimming function of the steel plate with the total trimming amount of 20-40mm, meets the process requirement of secondary shearing of partial steel plates and ensures the shearing quality of the steel plates.)

1. The utility model provides a bilateral device of cuting of cutting, includes the bilateral scissors of removal side, the bilateral scissors of fixed side, the entry roll table, be equipped with the roll table backplate on the bilateral scissors rollgang, its characterized in that the bilateral scissors entry roll table of fixed side sets up two sets of rotation type gatherers, the rotation type gatherer can lift up and fall down, when two guide wheels that are neat of rotation type gatherer were in the workplace, the steel sheet warp behind two guide wheels that are neat guide, to the bilateral scissors skew of removal side.

2. The device for single-sided shearing of the double-sided scissors of claim 1, wherein when the two aligning guide wheels are not in the working position, the respective shearing amount of the two sides of the steel plate is 10-20 mm; when the two aligning guide wheels are positioned at the working positions, the shearing amount of the bilateral scissors at the moving side of the steel plate is 20-40mm, and the shearing amount of the bilateral scissors at the fixed side is 0.

3. The device for unilateral shearing of the double-sided scissors according to claim 1 or 2, wherein the rotary type alignment guide device comprises an alignment guide wheel, a support arm rotating shaft, a safety pin and a fixing base, the alignment guide wheel is installed at one end of the support arm, the other end of the support arm is fixedly connected with the support arm rotating shaft, the support arm rotating shaft is installed on the inlet roller bed rack through the fixing base, and the support arm rotating shaft is positioned through the safety pin when being lifted.

4. The device for unilateral shearing of the double-sided scissors according to claim 3, wherein a circular hole is formed in the roller bed protecting plate to serve as a working position of the alignment guiding device, and when the rotating shaft of the supporting arm falls, a part of the alignment guiding wheel falls into the circular hole.

5. A method for performing single-sided shearing by using the device for performing single-sided shearing by using the double-sided shears according to any one of claims 1-4, which comprises the following steps:

1) when a single-side shearing function is put into operation, the two sets of rotary type aligning and guiding devices are turned to the horizontal position, the aligning guide wheels enter the working positions of the aligning and guiding devices, a steel plate to be sheared is conveyed to the positions near the two sets of rotary type aligning and guiding devices, the fixed side edge part of the steel plate is aligned to the aligning guide wheels of the rotary type aligning and guiding devices by utilizing the magnetic centering devices, and the position of the moving side double-side shearing edge is adjusted to a laser line according to the single-side trimming amount laser line drawing;

2) conveying a steel plate to be sheared, moving the steel plate forward in a stepping manner under the clamping of an outlet clamping roller, and performing unilateral shearing by a shearing edge of a bilateral shear at a moving side along with the stepping rhythm of the steel plate to be sheared;

3) after the unilateral shearing of the bilateral scissors is completed, the rotary type aligning and guiding device is rotated to the stopping position and is positioned, and then the bilateral scissors recover the bilateral shearing function.

Technical Field

The invention relates to steel rolling equipment, in particular to a device and a method for shearing a single edge of a double-edge shear.

Background

The eccentric hobbing type double-sided shear equipment for the thick plate production line is used for cutting burrs on two sides of a steel plate, the steel plate is delivered to the double-sided shear, the movable shear of the double-sided shear is preset in position according to the width of a sheared finished product, the left and right shears set shear blade gaps according to the plate thickness, the steel plate is indicated through laser rays, the steel plate is centered through a magnetic force transverse moving device, 4 sets of clamping and conveying rollers arranged on the left, right, front and back of the shears send the steel plate into and pass through the shears, the two sides of the steel plate are sheared, the width required by a finished product is achieved, and the edge cutting amount is 20-150 mm/edge.

In the actual production process, secondary back shearing of edges is required to be carried out on steel plates of partial varieties, the total edge cutting amount is 20-40mm, namely the single-edge cutting amount is 10-20 mm/edge, but the requirement exceeds the minimum edge cutting amount designed by the original double-edge shear, and the technological requirement cannot be met.

Therefore, an apparatus and a method are needed to solve the problem of the requirement of the above-mentioned partial variety of the back cut edge.

Disclosure of Invention

The invention aims to provide a device and a method for shearing a single edge of a double-edge shear, which aim to meet the shearing requirement that the total trimming amount of partial varieties of steel plates is 20-40mm and improve the operation capacity of double-edge shear equipment.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a bilateral device of cuting of cutting, is including moving the bilateral scissors of side, the bilateral scissors of fixed side, entry roll table, be equipped with the roll table backplate on the bilateral scissors rollgang of fixed side bilateral scissors entry roll table sets up two sets of rotation type and leans on neat gatherer, the rotation type is leaned on neat gatherer and can be lifted up and fall down, when two leading wheels that lean on neat of rotation type gatherer are in the work position, the steel sheet warp behind two leading wheels that lean on neat direction, to moving the both sides of side and cut a distance of skew.

When the two aligning guide wheels are not at the working positions, the respective shearing amount of the two sides of the steel plate is 10-20 mm; when the two aligning guide wheels are positioned at the working positions, the shearing amount of the bilateral scissors at the moving side of the steel plate is 20-40mm, and the shearing amount of the bilateral scissors at the fixed side is 0.

The rotary type aligning and guiding device comprises an aligning guide wheel, a supporting arm rotating shaft, a safety pin and a fixing base, wherein the aligning guide wheel is installed at one end of the supporting arm, the other end of the supporting arm is fixedly connected with the supporting arm rotating shaft, the supporting arm rotating shaft is installed on the inlet roller bed rack through the fixing base, and the supporting arm rotating shaft is positioned through the safety pin when lifted.

The roller bed protection plate is provided with a round hole as a working position of the aligning and guiding-in device, and when the supporting arm rotating shaft falls, a part of the aligning guide wheel falls into the round hole.

A method for performing unilateral shearing by using a bilateral shear unilateral shearing device comprises the following steps:

1) when a single-side shearing function is put into operation, the two sets of rotary type aligning and guiding devices are turned to the horizontal position, the aligning guide wheels enter the working positions of the aligning and guiding devices, a steel plate to be sheared is conveyed to the positions near the two sets of rotary type aligning and guiding devices, the fixed side edge part of the steel plate is aligned to the aligning guide wheels of the rotary type aligning and guiding devices by utilizing the magnetic centering devices, and the position of the moving side double-side shearing edge is adjusted to a laser line according to the single-side trimming amount laser line drawing;

2) conveying a steel plate to be sheared, moving the steel plate forward in a stepping manner under the clamping of an outlet clamping roller, and performing unilateral shearing by a shearing edge of a bilateral shear at a moving side along with the stepping rhythm of the steel plate to be sheared;

3) after the unilateral shearing of the bilateral scissors is completed, the rotary type aligning and guiding device is rotated to the stopping position and is positioned, and then the bilateral scissors recover the bilateral shearing function.

Compared with the prior art, the invention has the beneficial effects that:

on the basis of the original functions of the double-sided shears, the invention develops the trimming function of the steel plate with the total trimming amount of 20-40mm, meets the process requirement of secondary shearing of partial steel plates and ensures the shearing quality of the steel plates.

If the technology cannot be adopted, the required dimensional accuracy cannot be guaranteed for the steel plates subjected to secondary shearing, the average weight of each steel plate subjected to secondary shearing is about 5 tons, the unit price of each steel plate is about 3000 yuan, and the yield of each steel plate subjected to secondary shearing is about 60 ten thousand yuan per year, wherein each steel plate subjected to secondary shearing is 5 tons per block 3000 yuan per ton per 40 blocks per year.

Drawings

FIG. 1 is a schematic diagram of a double-sided shear single-edge shear;

FIG. 2 is a double-edged scissor single-edge shearing alignment introducer.

FIG. 3 is the double-sided scissors single-edge shear alignment introducer operating position.

FIG. 4 is a double-sided scissors single-sided shear-alignment introducer deactivated position.

In the figure: 1-moving side double-sided scissors, 2-roller bed guard plate, 3-steel plate, 4-fixed side double-sided scissors, 5-rotary type aligning and leading-in device, 6-aligning guide wheel, 7-supporting arm, 8-fixed base, 9-aligning and leading-in device working position, 10-self-locking sleeve supporting arm rotating shaft, 11-safety pin hole, 12-working position cushion block and 13-safety pin.

Detailed Description

In order to achieve the above objects, features and advantages and to make the invention more comprehensible, the present invention is described in detail with reference to the following embodiments.

As shown in fig. 1-4, a device for unilateral shearing of a bilateral shear comprises a mobile-side bilateral shear 1, a fixed-side bilateral shear 4 and an inlet roller way, wherein a roller way guard plate 2 is arranged on a roller way for conveying the bilateral shear, two sets of rotary type aligning and guiding devices 5 are arranged on the roller way for the inlet of the fixed-side bilateral shear 4, the rotary type aligning and guiding devices 5 can be lifted and fall down, and when two aligning guide wheels 6 of the rotary type aligning and guiding devices 5 are located at a working position, a steel plate 3 is guided by the two aligning guide wheels 6 and then deviates a distance to the mobile-side bilateral shear 1.

When the two aligning guide wheels 6 are not at the working positions, the respective shearing amount of the two sides of the steel plate 3 is 10-20 mm; when the two aligning guide wheels 6 are positioned at the working positions, the shearing amount of the moving-side double-sided shear of the steel plate 3 is 20-40mm, and the shearing amount of the fixed-side double-sided shear is 0.

The rotary type aligning and guiding device 5 comprises an aligning guide wheel 6, a supporting arm 7, a supporting arm rotating shaft 10, a safety pin 13 and a fixing base 8, wherein the aligning guide wheel 6 is installed at one end of the supporting arm 7, the other end of the supporting arm 7 is fixedly connected with the supporting arm rotating shaft 10, the supporting arm rotating shaft 10 is installed on an inlet roller table rack through the fixing base 8, and the supporting arm rotating shaft 10 is positioned through the safety pin 13 when lifted.

The roller bed protection plate 2 is provided with a round hole as a working position 9 of the aligning and guiding-in device, and when the supporting arm rotating shaft 10 falls, a part of the aligning and guiding wheel 6 falls into the round hole.

Fixing base 8 and the welding of work position cushion 12 are on entry roll table backplate 2, two round holes are surely gone out to the position of leading-in device work position 9 that keeps close together on entry roll table backplate 2, when welding installation fixing base 8, guarantee that two sets of rotation type keep close together leading-in device 5 when work position 9, the extension line of 6 external diameter connecting lines of leading wheel that keeps close together is on a parallel with bilateral scissors longitudinal center line, and in the inboard certain distance of the bilateral scissors 4 cutting edges of fixed side, it leans on leading-in to fix a position when being used for 3 unilateral scissors of steel sheet, guarantee that the bilateral scissors 4 cutting edges of fixed side can not cut steel sheet 3. The two sets of rotary type alignment and lead-in devices 5 can rotate around the fixed base 8 through the supporting arm rotating shaft 10, and the positions of the two sets of rotary type alignment and lead-in devices are switched between the working position 9 and the stopping position.

When the unilateral shearing function is put into use, as shown in fig. 3, the two sets of rotary type aligning and guiding devices 5 are turned over to the horizontal position, the aligning guide wheels 6 enter the working positions 9 of the aligning and guiding devices, the steel plate 3 to be sheared is conveyed to the positions near the two sets of rotary type aligning and guiding devices 5, and the fixed side edge parts of the steel plate 3 are aligned to the aligning guide wheels 6 of the rotary type aligning and guiding devices 5 by using the magnetic centering device in the prior art. And (3) according to the unilateral trimming amount, drawing a line by laser, and adjusting the position of the cutting edge of the bilateral scissors 1 on the moving side to the laser line.

The steel plate 3 to be sheared is conveyed, the steel plate 3 moves forwards in a stepping mode under the clamping of the clamping rollers at the inlet and the outlet of the original technology, and the shearing edge of the moving-side double-sided shear 1 performs single-sided shearing along with the stepping rhythm of the steel plate 3 to be sheared. Due to the functional input of the rotary type aligning and guiding-in device 5, the steel plate 3 integrally shifts to the moving side, so that the shearing amount of 10-20 mm/side of each two sides of the steel plate in the prior art is transferred and superposed to one side of the moving side to be 20-40mm in total, the use design of double-side shearing equipment is met, and the single-side shearing quality of the steel plate is ensured.

After the function required by the unilateral shearing process of the bilateral scissors is completed, as shown in fig. 4, the rotary type alignment guiding device 5 can be rotated to the stopping position, and the safety pin 13 is inserted into the safety pin hole 11, at this time, the bilateral scissors recover to the bilateral shearing function of the prior art.