CN111745211A - Automatic reverse discharging device for overlong broken edges of longitudinal rolling shearing machine for metal plates - Google Patents
Automatic reverse discharging device for overlong broken edges of longitudinal rolling shearing machine for metal plates Download PDFInfo
- Publication number
- CN111745211A CN111745211A CN202010369757.3A CN202010369757A CN111745211A CN 111745211 A CN111745211 A CN 111745211A CN 202010369757 A CN202010369757 A CN 202010369757A CN 111745211 A CN111745211 A CN 111745211A
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- Prior art keywords
- chute
- scrap
- discharging
- overlong
- air cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D31/00—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines
- B23D31/04—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines for trimming stock combined with devices for shredding scrap
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
Abstract
The invention provides an automatic reverse discharging device for overlong scrap edges of a metal sheet longitudinal rolling shearing machine, wherein the initial position of a baffle plate in the automatic turnover discharging device is flush with a sheet, an air cylinder telescopic rod performs linear telescopic motion, the air cylinder telescopic rod stretches once, the discharging device completes one reverse motion, and the cut overlong sheet falls into a discharging chute below after being reversed by the reverse device. The discharging chute device at the lower end is characterized in that an upper chute is connected with a lower chute, so that materials can be transported conveniently, and automatic discharging is realized by setting relevant angles. The device effectively prevents the broken edges cut off in the feeding process from drooping due to self gravity, realizes the lifting of the broken edges of the sheet material, greatly reduces the limit on the length of the cut broken edges of the sheet material, realizes the cutting and reverse discharging of the broken edges of the overlong sheet material, integrates overlong material supporting, reverse discharging and collecting devices, improves the product quality and greatly increases the working efficiency.
Description
Technical Field
The invention relates to auxiliary equipment of longitudinal rolling shearing machine equipment, in particular to an automatic reverse discharging device for ultra-long broken edges of a metal plate longitudinal rolling shearing machine.
Background
The longitudinal rolling shearing machine is used for shearing the edge of a long steel plate, a pinch roll is used for feeding in a feeding step length mode, and the length is calculated in a mode that contact type length measuring rolls are arranged in front of and behind a tool rest or a laser speed measurement mode. The synchronous control difficulty of 4 motors (8 double-sided shear inlets and outlets) for feeding of the pinch roll is very high, especially the feeding speed can lead to deviation of a steel plate, the problems of inaccurate sizing and the like are very serious, and the sizing precision and the rectangularity of the plate can be influenced by the problems of iron scale adhesion, abrasion and the like on the surface of the pinch roll.
At present, a high-speed small-step feeding mode is adopted, namely, when the scrap plate reaches a certain length, the scrap plate is cut off and directly falls onto a belt at the lower end, and then the scrap plate is conveyed to a fixed aggregate position through the belt. However, the plate cut by the method is generally short, so that the cutting frequency is high, the problems are frequent, the cut scrap edge vertically falls on the belt for a plurality of times, the impact is frequent, the belt abrasion is aggravated, and the service life of the belt is shortened.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the overlength scrap automatic reverse discharging device of the metal plate longitudinal rolling shearing machine, which reduces the limitation on the length of the sheared plate scrap to realize the shearing and reverse discharging of the overlength plate scrap, and integrates an overlength material supporting device, a reverse discharging device and a material collecting device.
In order to achieve the purpose, the invention adopts the technical scheme that: the automatic reverse discharging device for the overlong scrap of the longitudinal rolling shearing machine for the metal plates is structurally composed of two parts, namely an automatic material turning and discharging device and a discharging chute device at the lower end.
The automatic material turning and discharging device consists of an air cylinder, an air cylinder supporting seat, an air cylinder telescopic rod, a ball hinge, a flywheel, a left shaft sleeve, a left gear shaft, a right gear shaft, a baffle plate structure, an abrasion-resistant plate, a scrap chute and a scrap frame; whole device is around the design of garrulous limit reversal ejection of compact platform, fix cylinder 10 on cylinder supporting seat 14, the cylinder telescopic link 11 that is concertina movement is connected with flywheel 13 through ball joint 12, flywheel 13 structure right end is fixed on left gear shaft 1 through left axle sleeve 2, drive right gear shaft 3 through gear drive and rotate, 3 right-hand members of right gear shaft face are equipped with baffle structure 5, it is as the platform of placing sheet material limit to be connected with wear-resistant plate 8 of placing sheet material limit in whole gear drive upper end, platform one side is garrulous limit chute 6, fall when being convenient for the material limit reversal, garrulous limit material frame 7 is equipped with to garrulous limit chute 6 side below, be convenient for collect the garrulous limit of sheet material.
The initial position of a baffle plate in the automatic material turning and discharging device is flush with a plate material, when an overlong scrap of the plate material is cut off and is placed on an abrasion-resistant plate of a scrap reversal discharging device platform through a scrap guide plate, a cylinder on the left side of the device starts to move at the moment, an expansion link of the cylinder performs linear expansion and contraction movement, one end of the expansion link is connected with a flywheel through a ball hinge structure, the linear reciprocating movement of the cylinder is converted into the rotary movement of a structural flywheel, the right end of the flywheel is connected with a left gear shaft and is fixed by a left shaft sleeve, a right gear shaft is driven to rotate through gear transmission, the abrasion-resistant plate platform for placing the material edge of the plate material is connected to the upper end of the gear transmission device, the expansion link of the cylinder extends to a limit position II (the maximum stroke of the cylinder is 270mm), the end surface, whole platform carries out reverse motion, contracts to stroke extreme position I (cylinder minimum stroke department), and the garrulous limit ejection of compact chute that the garrulous limit chute falls into the below is cut via rolling to overlength material limit because self gravity, and the cylinder telescopic link is flexible once, and a reverse motion is accomplished to discharging device, and the overlength sheet material that downcuts can fall into in the ejection of compact chute of below through the reverse device reversal.
The reversal angle of the reversal platform can reach 135 degrees at most, and at the moment, the telescopic rod of the air cylinder moves to the limit position I from the limit position II.
The discharging chute consists of an upper part and a lower part. The upper chute is smallA chute, a scrap discharge chute body 16 is arranged on a supporting seat 18, a buffer plate 17 is additionally arranged between the chute and the scrap discharge chute body for reducing vibration, and a side steel plate 15 plays a role in material blocking; broken edge material is being cut the back down, and from the action of the frictional resistance that receives of last chute gliding in-process, air resistance's effort when only considering frictional resistance, goes up chute bottom plate inclination and should satisfy:
the material of the chute is Q235 steel plate, and the friction coefficient mu is substituted to be 0.6 to obtain theta1Not less than 31 degrees, but the resistance borne by the side material plate is far larger than the friction resistance in the actual sliding process, so the range of the inclination angle of the upper chute is selected from 40 degrees to 60 degrees, and the width of the upper chute is set as b1In order to prevent the occurrence of stockpiling at the mouth of the upper tank body, b1The following requirements are met: b1≥2nb0，n＝t/t0Wherein b is0For the maximum width of the scrap, t is the time required for each scrap to fall from the shearing machine to reach the lower trough body, and is calculated as follows:
t0the time taken for the shearing machine to shear off one piece of scrap; by the aid of the design, the scrap plate can quickly slide to the lower chute through the upper chute; the lower chute mainly comprises a lower inlet side chute body, a cross beam, a lower chute body and a lower outlet side chute body, wherein the lower chute body 21 and the lower outlet side chute body 20 in the lower chute are welded and connected, the top of the lower chute body is arranged on the cross beam 22, and the bottom of the lower inlet side chute body 19 and the lower chute body are connected together through bolts; wherein the cross beam 22 mainly plays a supporting role. The lower inlet side chute body is mainly used for connecting the upper chute body and the lower chute body to enable the scrap to smoothly fall into the lower chute body, so that the bottom plate of the lower chute has an inclined angle
Should satisfy
Width is set as b2And has b2≧b1(ii) a At the upper chute and lower inletThe connection of the side chute needs to have a certain spiral inclination angle α - α0+90 °, it should satisfy the following condition to ensure that the scrap can slide down smoothly without being jammed: the scrap is a slender thin plate, so the maximum deflection calculation formula is as follows:
maximum angle of rotation of
When the broken edge material has maximum deflection
The effective length of the scrap is
Is provided with
Then there is
Wherein l is the length of the scrap; setting the width b of the cross beam of the lower trough body3Width b in contact with outlet side4The transition angle of the two width transition parts of the lower groove body is required to be αi≥α0+90 °, (i ═ 1,2,3), lower slot body inclined section length l3Angle of inclination of the base plate
B, according to the actual working condition, in order to ensure that the scrap pieces smoothly slide to the bottom of the lower chute without stacking3More than or equal to l; the longer length of the inclined section can increase the buffer and reduce the impact on the belt
Wherein l0The maximum length of the scrap is the maximum length; in order to ensure enough buffering for the scrap and smooth sliding of the scrap to the bottom of the tank, the device is provided with
Namely, it is
The chute body at the lower outlet mainly plays a role of buffering and slows down the impact of the scrap on the belt again, so the inclined angle adopts a sectional design, namely a first-stage angle α1The following conditions are satisfied:
the second stage enters into the deceleration stage, which is α2<31 degrees; the third stage is horizontally connected with a belt to complete a transmission task; width b of groove opening5The width of the connecting part of the lower groove body is the same as that of the connecting part of the lower groove body, namely b5＝b4The length is determined by actual working conditions and field conditions.
The invention has the beneficial effects that: the phenomenon of sagging of the broken edge cut off in the feeding process can be prevented, and the lifting of the broken edge plate material is realized; meanwhile, the limitation on the length of the cut broken edges of the plate is greatly reduced, and the shearing of the ultra-long broken edge plate is realized; the reverse discharging of the ultra-long broken edges can be realized, the ultra-long material supporting, reverse discharging and collecting devices are integrated, the feeding speed can be reduced, the shearing rectangularity of the plate and the number and quality of front and rear connecting knife edges are improved, the length size of the waste is improved, the subsequent utilization rate of the waste is improved, the impact force on the belt can be reduced, and the service life of the belt is prolonged; when improving product quality, the sheet material that downcuts can fall on corresponding chute device after the reversal ejection of compact, and through the angle of reasonable in design, the sheet material can increase work efficiency when improving product quality through chute to belt.
Drawings
FIG. 1 is a schematic front view of an automatic reverse discharging device;
FIG. 2 is a left side view of the automatic reverse discharging device;
FIG. 3 is a schematic diagram of the reverse movement of the automatic reverse discharging device;
FIG. 4 is a schematic view of a scrap discharge chute assembly I;
FIG. 5 is a schematic view of a scrap discharge chute assembly II;
FIG. 6 is a schematic front view of a scrap discharge lower chute apparatus;
FIG. 7 is a side view of the scrap discharge lower chute apparatus;
FIG. 8 is a top plan view of the lower chute apparatus for scrap discharge;
FIG. 9 is a lower outlet side trough side view;
FIG. 10 is a top view of the lower outlet chute body.
In the figure: 1. a left gear shaft; 2. a left shaft sleeve; 3. a right gear shaft; 4. a right shaft sleeve; 5. a baffle plate; 6. A scrap platform baffle; 7. a scrap box; 8. a wear plate; 9. a scrap guide plate; 10. a cylinder; 11. a cylinder telescopic rod; 12. ball hinge joint; 13. a flywheel; 14. a cylinder supporting seat; 15. a side steel plate; 16. discharging the scrap to an upper chute body; 17. a cushion pad; 18. a supporting seat; 19. a chute body at the side of the lower inlet; 20. a chute body at the lower outlet side; 21. discharging the scrap to a lower chute body; 22. a cross member.
Detailed Description
As shown in fig. 1 and 2, the automatic reverse discharging device platform for overlength scrap edges of the rolling shearing machine is provided, a cylinder 10 is fixed on a cylinder supporting seat 14, a cylinder telescopic rod 11 on the cylinder 10 makes telescopic motion, the cylinder telescopic rod 11 is connected with a flywheel 13 through a ball hinge 12, the linear telescopic motion of the cylinder telescopic rod 11 is converted into rotary motion, a left gear shaft 1 at the right end of a rotary flywheel structure is fixed by a left shaft sleeve 2, a right gear shaft 3 is driven to rotate through gear transmission, a baffle structure 5 is arranged on the right end face of the right gear shaft 3, the upper end of a gear transmission device is connected with a wear-resisting plate 8 for placing the scrap edges of the sheet materials as the platform for placing the scrap edges of the sheet materials, and a scrap edge chute 6 is.
As shown in fig. 3, the table is a schematic diagram of the extreme reversal position of the automatic reversal discharging device for the ultralong scrap edge of the rolling shearing machine, when the cylinder telescopic rod extends to the extreme position ii, the end face of the platform of the reversal device is flush with the scrap edge, the sheared ultralong scrap edge is lifted, when the cylinder telescopic rod is in contraction movement, the whole table is in reversal movement, the platform contracts to the extreme position i, the ultralong scrap edge falls into the discharging chute below the ultralong scrap edge through the scrap edge platform baffle plate due to self gravity, the cylinder telescopic rod stretches once, and the discharging device completes one reversal movement. The reverse angle of the reverse platform is 135 degrees at most.
As shown in fig. 4 and 5, the scrap discharge chute device is schematically illustrated and comprises a steel plate 15, a scrap discharge chute body 16, a cushion pad 17 and a support seat 18, when cut sheet material edges are reversed by a reverse discharging device platform, the sheet material edges can fall into the scrap discharge chute structure, the sheet material edges can slide to a large chute through an upper chute and then are conveyed to a belt through an angle reasonable in design for the chute body, and the sheet material edges are conveyed away through the belt below the large chute. In actual production, the roll cutting shear t is known by combining actual working conditions and the above design method0The range of the cut scrap pieces is 2-2.3 m, the plate width b is 30-50 mm, and the plate thickness h is 30-50 mm for 5s, and the inclination angle of the upper chute body is set as
Width b1Is 420 mm.
As shown in fig. 6-10, the lower chute device for scrap discharge mainly comprises a cross beam 22, a chute body 19 on the lower inlet side of scrap discharge, a chute body 21 on the lower outlet side of scrap discharge, and a chute body 20 on the lower outlet side, wherein the cross beam 22 mainly plays a supporting role, the width b2 of the chute body on the lower inlet side is 460mm by combining with practical working condition experience, and the inclination angle is 460mm
The spiral angle α at the joint of the upper groove body 16 and the lower inlet side groove body 19 is set to be 144 degrees, the cut sheet material can smoothly slide to the lower groove body through the upper groove body and the lower inlet side groove body, the inclination angle of the bottom plate of the lower groove body
b3＝390mm,l3＝4115mm，α1＝157°，α2145 °; the chute body at the lower outlet side mainly plays a role in buffering, the impact of the scrap edge material on the belt is relieved again, the scrap edge material slides to the belt below and is conveyed away in a centralized manner, and the chute body is designed by combining working conditions and the above design principleTaking α1Take α when the angle is 33 °217 °; and then, completing all actions of automatically reversing and discharging the ultra-long broken edges, and according to actual production inspection, all designs meet production requirements.
The invention provides an automatic reverse discharging device for ultra-long broken edges of a metal plate longitudinal rolling shearing machine, wherein a reverse discharging platform is matched with a discharging chute, so that the phenomenon that the cut broken edges sag in the feeding process is prevented, the lifting of the broken edge plate is realized, the length of the cut broken edge plate is not limited any more, the shearing of the ultra-long broken edge plate is realized, the reverse discharging of the ultra-long broken edges can be realized, the ultra-long supporting, the reverse discharging and the collecting are integrated, the product quality is improved, the working efficiency is greatly increased, the cut plate falls on the corresponding chute device after the reverse discharging, the plate passes through the chute to the belt through a reasonable inclination angle, and the conveying efficiency and the service life of the belt are greatly improved.
The automatic reverse discharging device for the overlong broken edges of the longitudinal rolling shearing machine for the metal plates, provided by the invention, has the advantages of simple and compact structure, reasonable design, quickness, convenience, stability and reliability in use.
The technical solutions of the present invention are clearly and completely described, and all other solutions obtained by a person of ordinary skill in the art without creative efforts based on the solutions of the present invention belong to the protection scope of the present invention.
Claims (7)
1. An automatic reverse discharging device for overlong scrap edges of a metal plate longitudinal rolling shearing machine is structurally composed of two parts, namely an automatic material turning and discharging device and a discharging chute device at the lower end; the method is characterized in that:
the automatic material turning and discharging device consists of an air cylinder, an air cylinder supporting seat, an air cylinder telescopic rod, a ball hinge, a flywheel, a left shaft sleeve, a left gear shaft, a right gear shaft, a baffle plate structure, an abrasion-resistant plate, a scrap chute and a scrap frame; the whole device is designed around a scrap reversing discharging platform, an air cylinder is fixed on an air cylinder supporting seat, an air cylinder telescopic rod which does telescopic motion is connected with a flywheel through ball hinge, the right end of the flywheel structure is fixed on a left gear shaft through a left shaft sleeve, a right gear shaft is driven to rotate through gear transmission, a baffle structure is arranged on the right end face of the right gear shaft, an abrasion-resistant plate for placing sheet material edges is connected to the upper end of the whole gear transmission device and serves as a platform for placing the sheet material edges, a scrap chute is arranged on one side of the platform, the scrap edge chute is convenient to fall down when the sheet material edges are reversed, and a scrap edge frame is arranged below the scrap edge chute side and;
the discharging chute consists of an upper part and a lower part; the upper chute consists of a steel plate, a scrap discharging upper chute body, a cushion pad and a supporting seat, the upper chute is a small chute, the scrap discharging chute body is arranged on the supporting seat, and the cushion plate is arranged between the scrap discharging upper chute body and the supporting seat;
the lower chute mainly comprises a lower inlet side chute body, a cross beam, a lower chute body and a lower outlet side chute body, wherein the lower chute body and the lower outlet side chute body in the lower chute are welded and connected, the top of the lower chute body is arranged on the cross beam, and the bottom of the lower inlet side chute body is connected with the lower chute body through a bolt; wherein, the cross beam mainly plays a supporting role; the lower inlet side chute body is used for connecting the upper chute body and the lower chute body.
2. The automatic reverse discharging device for the overlong broken edges of the longitudinal rolling metal plate shearing machine as claimed in claim 1, wherein: the reversal angle of the reversal platform can reach 135 degrees at most, and at the moment, the telescopic rod of the air cylinder moves to the limit position I from the limit position II.
3. The automatic reverse discharging device for the overlong broken edges of the longitudinal rolling metal plate shearing machine as claimed in claim 1, wherein: the telescopic rod of the air cylinder extends to a limit position II and is positioned at the maximum stroke of the air cylinder, and the stroke of the air cylinder is 270 mm; the stroke limit position I of the telescopic rod of the air cylinder is the minimum stroke position of the air cylinder.
4. The automatic reverse discharging device for the overlong broken edges of the longitudinal rolling metal plate shearing machine as claimed in claim 1, wherein: the inclination angle of the upper chute bottom plate should satisfy:
(ii) a Considering the resistance of the side material plate in the gliding process, the range of the inclination angle of the upper chute is selected
。
5. The automatic reverse discharging device for the overlong broken edges of the longitudinal rolling metal plate shearing machine as claimed in claim 1, wherein: the joint of the upper chute and the lower inlet side chute needs to have a certain spiral inclination angle
。
6. The automatic reverse discharging device for the overlong broken edges of the longitudinal rolling metal plate shearing machine as claimed in claim 1, wherein: the inclined angle of the chute body at the lower outlet side adopts a sectional design: angle of the first stage
The following conditions are satisfied:
when the second stage enters the deceleration stage, the second stage has
<
(ii) a The third stage level is connected with the belt, and the width of the opening of the groove body is the same as that of the connecting part of the lower groove body.
7. The automatic reverse discharging device for the overlong broken edges of the longitudinal rolling metal plate shearing machine as claimed in claim 1, wherein: the bottom plate of the lower chute has an inclination angle
Should satisfy
。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010369757.3A CN111745211B (en) | 2020-04-30 | 2020-04-30 | Automatic reverse discharging device for overlong broken edges of longitudinal rolling shearing machine for metal plates |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010369757.3A CN111745211B (en) | 2020-04-30 | 2020-04-30 | Automatic reverse discharging device for overlong broken edges of longitudinal rolling shearing machine for metal plates |
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| CN111745211B CN111745211B (en) | 2022-07-26 |
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