WO2024066282A1

WO2024066282A1 - Scrap shear capable of rapidly moving in transverse manner and switching

Info

Publication number: WO2024066282A1
Application number: PCT/CN2023/086465
Authority: WO
Inventors: 张翼; 周云根
Original assignee: 中冶南方工程技术有限公司
Priority date: 2022-09-29
Filing date: 2023-04-06
Publication date: 2024-04-04
Also published as: CN115609073A

Abstract

A scrap shear capable of rapidly moving in a transverse manner and switching. The scrap shear comprises a first scrap shearing unit (1) and a second scrap shearing unit (2), which are connected by means of a connecting rod (20), and are both slidably connected to a rail (5). The scrap shear further comprises a driving device which drives the first scrap shearing unit (1) and the second scrap shearing unit (2) to slide along the rail (5); two sides of the rail (5) are off-line sites, and the middle of the rail (5) is an on-line site; and during operation of the scrap shear, one of the first scrap shearing unit (1) and the second scrap shearing unit (2) is used at the on-line site, and the other thereof is used at the off-line site for standby. By means of the scrap shear, the shutdown time of a unit can be shortened, and the capacity of the unit is increased; in addition, the loss of the unit caused by being shutdown for a long period of time can be avoided.

Description

A kind of scrap edge shear capable of rapid horizontal shifting

Technical Field

The present invention relates to a shearing device capable of rapid transverse shifting and switching in a rolled strip processing line, and in particular to a shearing device capable of rapid transverse shifting and switching in a rolled strip processing line. The present invention is widely used in continuous strip processing lines for silicon steel, carbon steel, stainless steel, nonferrous metals, etc., and specifically relates to a shearing device capable of rapid transverse shifting and switching in a rolled strip processing line.

Background technique

At present, in the continuous production and processing lines of strips in the metallurgical industry, the demand for replacing the edge shear blades is widespread and frequent. The traditional design is generally equipped with a set of edge shearing units. The time for replacing the edge shearing unit blades is long, which usually affects the production rhythm, the unit capacity and the product quality.

Therefore, it is necessary to design a scrap edge shear that can be quickly switched horizontally to overcome the above problems.

Summary of the invention

The purpose of the present invention is to overcome the defects of the prior art and provide a scrap shear that can be quickly switched horizontally. The present invention at least solves some of the problems in the prior art.

The present invention is achieved in that:

The present invention provides a scrap edge shear that can be quickly switched laterally, comprising a first scrap edge shearing unit and a second scrap edge shearing unit, the first scrap edge shearing unit and the second scrap edge shearing unit are connected by a connecting rod, the first scrap edge shearing unit and the second scrap edge shearing unit are both slidably connected to a track, the scrap edge shear also includes a driving device for driving the first scrap edge shearing unit and the second scrap edge shearing unit to slide along the track, the two sides of the track are offline positions, and the middle part of the track is an online position. During the operation of the scrap edge shear, one set of the first scrap edge shearing unit and the second scrap edge shearing unit is put into use in the online position, and the other set is on standby in the offline position.

Furthermore, the edge shear capable of rapid transverse shifting also includes a base, and the track is arranged on the base.

Furthermore, the driving device is a transverse hydraulic cylinder, which is connected to the first edge shearing unit.

Furthermore, the bottom of the first scrap edge shearing unit and the bottom of the second scrap edge shearing unit are both provided with wheels that can roll on the upper surface of the track.

Furthermore, the bottom of the first scrap edge shearing unit and the bottom of the second scrap edge shearing unit are both provided with side wheels for guiding, the track is I-shaped, the side wheels are arranged horizontally, and the side wheels are distributed on both sides of the track top plate.

Furthermore, the side wheel is fixed on the scrap edge shearing unit through an eccentric sleeve.

Furthermore, rollers are provided at the bottom of the first scrap edge shearing unit and the bottom of the second scrap edge shearing unit. The rollers are obliquely arranged on both sides of the track, and the rollers are rollingly connected to the lower surface of the track top plate.

Furthermore, the scrap edge shear that can be quickly switched laterally also includes a wheel seat, a fork, and a pull rod. The roller is fixed on the wheel seat, and the wheel seats on both sides of the track are fixedly connected to the lower end of the fork by bolts. The bottom of the pull rod is provided with a slot, and the upper end of the fork extends into the slot. The upper end of the fork is fixedly connected to the bottom of the pull rod through a pin shaft. The first scrap edge shearing unit and the second scrap edge shearing unit are both provided with a disc spring support plate, the disc spring is placed on the disc spring support plate, and the disc spring box cover is on the disc spring. The upper end of the pull rod passes through the disc spring support plate, the disc spring, and the disc spring box in sequence and is then locked by a nut.

Furthermore, a pad is provided between the top of the disc spring and the inner wall of the disc spring box.

Furthermore, both the first scrap edge shearing unit and the second scrap edge shearing unit are provided with guide sliders, and the sliders are located on both sides of the pull rod.

The present invention has the following beneficial effects:

The present invention provides a shredder shear capable of rapid transverse shifting and switching, which adopts two sets of shredder shearing units, one set of which is put into use at the online position during the operation of the unit, and the other set of which is on standby at the offline position. When the blade of the shredder shearing unit at the online position needs to be replaced, in order not to affect the production rhythm, the shredder shearing unit at the offline position can be quickly switched to the online position for use by a transverse shifting hydraulic cylinder, and the shredder shearing unit at the online position can be switched to the offline position for use. Online maintenance can reduce unit downtime, improve unit production capacity, and avoid losses to the unit caused by long-term downtime.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

FIG1 is a front view of a second edge scrap shearing unit provided by an embodiment of the present invention when it is put into use (the middle part of FIG1 is in the online position, and the two sides are in the offline position);

FIG2 is an enlarged view of the left side of FIG1 provided by an embodiment of the present invention;

FIG3 is an enlarged view of the middle portion of FIG1 provided by an embodiment of the present invention;

FIG4 is an enlarged view of the right side of FIG1 provided by an embodiment of the present invention;

FIG5 is a top view of the second edge scrap shearing unit provided by the embodiment of the present invention when it is put into use;

FIG6 is an enlarged view of the left side of FIG5 provided in an embodiment of the present invention;

FIG7 is an enlarged view of the middle of FIG5 provided in an embodiment of the present invention;

FIG8 is an enlarged view of the right side of FIG5 provided in an embodiment of the present invention;

FIG9 is a view A-A in FIG3 provided by an embodiment of the present invention;

FIG10 is a B-B view in FIG3 provided by an embodiment of the present invention;

FIG11 is a C-C view in FIG3 provided by an embodiment of the present invention;

FIG12 is a D-D view in FIG3 provided by an embodiment of the present invention;

FIG13 is an E-E view in FIG12 provided by an embodiment of the present invention.

In the figure: 1, first edge shearing unit; 2, second edge shearing unit; 3, lateral hydraulic cylinder; 4, base; 5, track; 6, wheel; 7, side wheel; 8, roller; 9, eccentric sleeve; 10, nut; 11, disc Spring box; 12, pad; 13, disc spring; 14, pull rod; 15, slider; 16, pin shaft; 17, fork head; 18, wheel seat; 19, disc spring support plate; 20 connecting rod; track top plate 21.

Detailed ways

The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

As shown in Figures 1 to 13, an embodiment of the present invention provides a scrap edge shear that can be quickly switched laterally, including a first scrap edge shearing unit 1 and a second scrap edge shearing unit 2, the first scrap edge shearing unit 1 and the second scrap edge shearing unit 2 are connected by a connecting rod 20, the first scrap edge shearing unit 1 and the second scrap edge shearing unit 2 are both slidably connected to the track 5, the scrap edge shear also includes a driving device for driving the first scrap edge shearing unit 1 and the second scrap edge shearing unit 2 to slide along the track 5, the two sides of the track 5 are offline positions, and the middle of the track 5 is online position. During the operation of the scrap edge shear, one set of the first scrap edge shearing unit 1 and the second scrap edge shearing unit 2 is put into use in the online position, and the other set is on standby in the offline position. When the blade of the online scrap edge shearing unit needs to be replaced, in order not to affect the production rhythm, the offline scrap edge shearing unit can be quickly switched to the online position for use by the transverse hydraulic cylinder 3, and the online scrap edge shearing unit can be switched to the offline position for maintenance.

The edge scraping shear capable of rapid transverse shifting further comprises a base 4 , on which a track 5 is arranged.

The driving device is a lateral hydraulic cylinder 3, which is connected to the bottom of the first scrap shearing unit 1 to drive the first scrap shearing unit 1 and the second scrap shearing unit 2 to move together. The lateral hydraulic cylinder 3 can also be connected to the second scrap shearing unit 2. In another embodiment, a gear motor can be used to drive the wheel instead of the lateral hydraulic cylinder 3.

As shown in FIG9 , the bottom of the first scrap edge shearing unit 1 and the bottom of the second scrap edge shearing unit 2 are both provided with wheels 6 that can roll on the upper surface of the track 5 .

As shown in Fig. 9 to Fig. 11, the bottom of the first scrap edge shearing unit 1 and the bottom of the second scrap edge shearing unit 2 are both provided with side wheels 7 for guiding, the track 5 is in an I-shape, the side wheels 7 are arranged horizontally, and the side wheels 7 are distributed on both sides of the track top plate 21. The side wheels 7 are fixed to the scrap edge shearing unit through an eccentric sleeve 9.

As shown in Figures 12 and 13, the bottom of the first scrap edge shearing unit 1 and the bottom of the second scrap edge shearing unit 2 are both provided with rollers 8, which are obliquely arranged on both sides of the track 5, and the rollers 8 are rollingly connected to the lower surface of the track top plate 21. The scrap edge shear that can be quickly shifted and switched also includes a wheel seat 18, a fork 17, and a pull rod 14, the roller 8 is fixed on the wheel seat 18, the wheel seats 18 on both sides of the track 5 are fixedly connected to the lower end of the fork 17 by bolts, the bottom of the pull rod 14 is provided with a slot, the upper end of the fork 17 extends into the slot, and the upper end of the fork 17 is fixedly connected to the bottom of the pull rod 14 by a pin 16, the frame of the first scrap edge shearing unit 1 and the frame of the second scrap edge shearing unit 2 are both provided with a disc spring support plate 19, the disc spring 13 is placed on the disc spring support plate 19, the disc spring box 11 covers the disc spring 13, and the upper end of the pull rod 14 passes through the disc spring support plate 19, the disc spring 13, and the disc spring box 11 in sequence and is locked by a nut 10. A backing plate 12 is provided between the top of the disc spring 13 and the inner wall of the disc spring box 11. The backing plate 12 plays the role of a gasket.

The lower end of the wheel seat 18 is provided with an opening for installing the roller 8, and the upper end of the wheel seat 18 is provided with an opening for the fork 17 to extend into. The bolts penetrate the wheel seat 18 and the fork 17 and are locked. The roller 8 can prevent the edge shearing unit from tipping over, and allow the wheel 6 to fit tightly with the upper surface of the track while bearing the tipping torque, relying on the pre-tensioning force generated by the compressed disc spring 13. There is a gap between the lower end of the disc spring box 11 and the disc spring support plate 19. The size of the gap is related to the compression amount of the disc spring. The size of the disc spring preload can be known by observing the size of the gap. The disc spring support plate 19 is fixed to the frame of the edge shearing unit 2 by bolts.

The frame of the first scrap edge shearing unit 1 and the frame of the second scrap edge shearing unit 2 are both provided with guide sliders 15, and the sliders 15 are located on both sides of the pull rod 14. The sliders 15 play a guiding role when the disc spring is pre-tightened.

The slider 15 guides the vertical movement of the pull rod 14 so that the pull rod 14 remains in a vertical state.

The present invention provides a scrap edge shear capable of rapid transverse switching, comprising a first scrap edge shearing unit 1, a second Second edge scrapping shearing unit 2, transverse hydraulic cylinder 3, base 4, track 5, connecting rod 20. The first edge scrapping shearing unit 1 and the second edge scrapping shearing unit 2 are connected by the connecting rod 20, and can be driven to move on the track 5 installed on the base 4 by the transverse hydraulic cylinder 3.

One of the first edge shearing unit 1 and the second edge shearing unit 2 is put into use in the online position during the operation of the unit, and the other is on standby in the offline position. When the blade of the online edge shearing unit needs to be replaced, in order not to affect the production rhythm, the offline edge shearing unit can be quickly switched to the online position for use through the lateral hydraulic cylinder 3, and the online edge shearing unit can be switched to the offline position for maintenance.

The scrap shearing unit travels on the track 5 through the wheel 6 under the guidance of the side wheel 7. The side wheel 7 is fixed to the shearing unit through the eccentric sleeve 9, and the gap between the side wheel 7 and the track 5 can be adjusted by rotating the eccentric sleeve 9 with a long hole.

The scrap edge shearing unit is clamped on the track by the nut 10, disc spring box 11, pad 12, disc spring 13, pull rod 14, slider 15, pin 16, fork 17, wheel seat 18 and roller 8 to withstand vibration impact load.

The present invention provides a scrap shear capable of rapid transverse shifting and switching, which can realize rapid switching of the scrap shearing unit and avoid the loss of unit production capacity and product quality caused by long-term shutdown of the unit.

The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

A scrap edge shear that can be quickly switched laterally is characterized in that it includes a first scrap edge shearing unit and a second scrap edge shearing unit, the first scrap edge shearing unit and the second scrap edge shearing unit are connected by a connecting rod, the first scrap edge shearing unit and the second scrap edge shearing unit are both slidably connected to a track, the scrap edge shear also includes a driving device for driving the first scrap edge shearing unit and the second scrap edge shearing unit to slide along the track, the two sides of the track are offline positions, and the middle part of the track is an online position. During the operation of the scrap edge shear, one set of the first scrap edge shearing unit and the second scrap edge shearing unit is put into use in the online position, and the other set is on standby in the offline position.
The quick-shifting and switching scrap shears as claimed in claim 1 are characterized in that they also include a base, and the track is installed on the base.
The scrap edge shear capable of rapid transverse shifting as claimed in claim 1 is characterized in that the driving device is a transverse shifting hydraulic cylinder, which is connected to the first scrap edge shearing unit.
The fast transversely shiftable scrap shears as claimed in claim 1 are characterized in that the bottom of the first scrap shear unit and the bottom of the second scrap shear unit are both provided with wheels that can roll on the upper surface of the track.
The scrap edge shears capable of rapid horizontal shifting as described in claim 4 are characterized in that: the bottom of the first scrap edge shearing unit and the bottom of the second scrap edge shearing unit are both provided with side wheels for guiding, the track is I-shaped, the side wheels are arranged horizontally, and the side wheels are distributed on both sides of the track top plate.
The scrap edge shear capable of rapid transverse shifting as claimed in claim 5 is characterized in that the side wheels are fixed to the scrap edge shearing unit via an eccentric sleeve.
The fast transversely shiftable scrap shears as described in claim 5 are characterized in that rollers are provided at the bottom of the first scrap shearing unit and the bottom of the second scrap shearing unit, the rollers are obliquely arranged on both sides of the track, and the rollers are rollingly connected to the lower surface of the track top plate.
The edge shear capable of rapid transverse shifting as described in claim 7 is characterized in that it also includes a wheel seat, a fork head, and a pull rod, the roller is fixed on the wheel seat, the wheel seats on both sides of the track are fixedly connected to the lower end of the fork head by bolts, the bottom of the pull rod is provided with a slot, the upper end of the fork head extends into the slot, and the upper end of the fork head is connected to the roller seat by a pin shaft. The bottom of the pull rod is fixedly connected, and a disc spring support plate is provided on the first and second edge shearing units. The disc spring is placed on the disc spring support plate, and the disc spring box covers the disc spring. The upper end of the pull rod passes through the disc spring support plate, the disc spring, and the disc spring box in sequence and is locked by a nut.
The quick-shifting and switching edge scraper as described in claim 8 is characterized in that a pad is provided between the top of the disc spring and the inner wall of the disc spring box.
The scrap edge shear capable of rapid transverse shifting as described in claim 8 is characterized in that: both the first scrap edge shearing unit and the second scrap edge shearing unit are provided with guide sliders, and the sliders are located on both sides of the pull rod.