The abrasive belt grinding device of wide plate
Technical field
The utility model relates to a kind of abrasive belt grinding device of sheet material abrasive belt grinding device, especially wide plate.
Background technology
The grinding of sheet material (especially steel plate) mainly is to utilize wheel grinding at present.By sheet material is adsorbed on the work stage of grinding machine, it is reciprocating to make work stage drive steel plate, and emery wheel maintains static, and when steel plate was reciprocating, the emery wheel of rotation was milled to the other end from an end of steel plate at a high speed.After emery wheel was finished once laterally grinding, work stage was carried out a vertical feed, and emery wheel is proceeded the horizontal grinding of a new round, so moves in circles until all grindings of whole steel plate plane.
For wheel grinding, because its polishing width is little, so the grinding time is long, especially for wide plate, often emery wheel has just produced wearing and tearing to a certain degree before monoblock sheet material is not finished grinding, thereby the front and back grinding degree varies of sheet material is caused, and has influenced the plate plane degree.
Summary of the invention
The utility model purpose provides a kind of abrasive belt grinding device of wide plate, and it can reduce the reciprocating stroke of wheel grinding, shortens the grinding time, can improve the sheet material flatness that sbrasive belt grinding goes out again, eliminates by the plate face parallelism error that is brought behind the abrasion of grinding wheel.
For achieving the above object, the technical solution adopted in the utility model is: the abrasive belt grinding device of wide plate, its operation principle are that sbrasive belt grinding replaces wheel grinding, can be divided into two kinds of milling mechanism and door-moving types.Milling mechanism is that grinding mechanism is fixed, and work stage drives workpiece and moves back and forth; Door-moving type is that grinding mechanism moves back and forth on work stage top, and work stage maintains static.
The abrasive belt grinding device technical scheme of described milling mechanism wide plate is as follows: a kind of abrasive belt grinding device of wide plate, the motor that comprises the work stage, grinding mechanism and the described grinding mechanism of driving that have drive unit, described work stage is arranged on the grinding mechanism bottom, described grinding mechanism comprises frame, touch roll, pendular roller and is centered around endless abrasive belt on pendular roller, the touch roll, described pendular roller is arranged on touch roll top, and described touch roll is arranged on work stage top and is in transmission connection with motor.
The abrasive belt grinding device technical scheme of described door-moving type wide plate is as follows: a kind of abrasive belt grinding device of wide plate, comprise the work stage that is provided with regularly, the motor of grinding mechanism and the described grinding mechanism of driving, described grinding mechanism comprises the frame that has drive unit, touch roll, pendular roller and be centered around pendular roller, endless abrasive belt on the touch roll, described pendular roller is arranged on touch roll top, described touch roll is arranged on work stage top and is in transmission connection with motor, described frame lower is provided with base, is provided with guide rail mechanism slidably between described frame lower and the base top.
Described guide rail mechanism comprises the guide groove that is arranged on base top, is arranged in the guide groove to described frame basal sliding.
For the abrasive belt grinding device of milling mechanism and door-moving type wide plate, described grinding mechanism comprises that also the abrasive band prevents inclined to one side system, and the anti-inclined to one side system in described abrasive band comprises oscillating cylinder and shoring, and described oscillating cylinder and shoring are arranged between pendular roller and the touch roll.
Described grinding mechanism also comprises the abrasive band clamping system, and described abrasive band clamping system comprises air bag, and described air bag is arranged between pendular roller and the touch roll.
Described grinding mechanism also comprises jacking system, described jacking system comprises lifting motor, gear reduction unit and ball screw lift, described gear reduction unit connects the output of lifting motor, the input of the output ball screw lift of described gear reduction unit is in transmission connection mutually, be fixedly provided with guide pillar on the output of described ball screw lift, described guide pillar is slidingly arranged in the guide pin bushing.
Described grinding mechanism also comprises brake apparatus, and described brake apparatus comprises brake disc, the air bag butterfly system of stopping, and described brake disc is arranged on the axle that is in transmission connection, and the described air bag butterfly system of stopping is arranged on the frame.
Because the technique scheme utilization, the utility model compared with prior art has following advantage:
1, replaces emery wheel with the abrasive band, as long as choose suitable abrasive band width, a stroke just can be to the complete surperficial sand milling of steel plate once, before a Wear Mechanism of Abrasive Belt, can carry out grinding to the polylith steel plate, can not influence the steel plate flatness because of the wearing and tearing of sanding head, not only crudy is guaranteed, and can significantly enhance productivity;
2, the abrasive band that is provided with oscillating cylinder prevents that inclined to one side system can make oscillating cylinder behind the signal of receiving the abrasive band sideslip, the release dynamic air-flow makes pendular roller center on shoring and does small size reciprocal wave amplitude swing, adjust the sideslip in abrasive band, the skew in abrasive band is limited in certain scope;
3, the abrasive band clamping system that is provided with air bag and shoring can make air bag in the abrasive band timely inflation jack-up pendular roller when lax, make abrasive band tensioning again;
4, adopt the lifting that the jacking system of lifting motor, gear reduction unit and ball screw lift can more accurate control grinding mechanism, thereby make the feeding depth of grinding mechanism more accurate.
5, adopting brake apparatus is from security consideration, in case the abrasive band fracture, the air bag butterfly system of stopping holds brake disc tightly, makes motor and touch roll automatic stopping, prevents that the abrasive band of high-speed motion from flying out.
Description of drawings
Accompanying drawing 1 is the front view (milling mechanism) of wide plate abrasive belt grinding device described in the utility model;
Accompanying drawing 2 is the front view (door-moving type) of wide plate abrasive belt grinding device described in the utility model;
Accompanying drawing 3 is the right view of wide plate abrasive belt grinding device described in the utility model;
Accompanying drawing 4 is the front view of jacking system described in the utility model;
Accompanying drawing 5 is the A-A direction cutaway view of accompanying drawing 4;
Accompanying drawing 6 is the B-B direction cutaway view of accompanying drawing 4;
Wherein: 1, frame; 2, pendular roller; 3, abrasive band clamping system; 4, cantilever; 5, latch segment; 6, touch roll; 7, jacking system; 8, motor; 9, shoring; 10, air bag; 11, grinding mechanism; 12, guide groove; 13, work stage; 14, abrasive band; 15, base; 16, guide rail mechanism; 17, oscillating cylinder; 18, lifting motor; 19, gear reduction unit; 20, ball screw lift; 21, guide pin bushing; 22, guide pillar; 23, torque steering mechanism; 24, power transmission shaft; 25, the anti-inclined to one side system in abrasive band; 26, brake apparatus; 27, brake disc; 28, the air bag butterfly system of stopping; 29, the axle that is in transmission connection.
The specific embodiment
The abrasive belt grinding device of wide plate can be divided into two kinds of milling mechanism and door-moving types.Milling mechanism is that grinding mechanism is fixed, and work stage drives workpiece and moves back and forth; Door-moving type is that grinding mechanism moves back and forth on work stage top, and work stage maintains static.Door-moving type rack construction complexity, but the work stage floor space is little, is suitable for the grinding of longer steel plate.The milling mechanism frame vibration is controlled easily, but the area that work stage moves is bigger.
As accompanying drawing 1, shown in the accompanying drawing 3, a kind of abrasive belt grinding device of milling mechanism wide plate, comprise the work stage 13 that has drive unit, the motor 8 of grinding mechanism 11 and the described grinding mechanism 11 of driving, described work stage 13 is arranged on grinding mechanism 11 bottoms, described grinding mechanism 11 comprises frame 1, touch roll 6, pendular roller 2 and be centered around pendular roller 2, endless abrasive belt 14 on the touch roll 6, described touch roll 2 and pendular roller 6 are separately positioned on the both ends of cantilever 4, described pendular roller 2 is arranged on touch roll 6 tops, and described touch roll 6 is arranged on work stage 13 tops and passes through belt, shaft coupling and motor 8 are in transmission connection.
In working order down, motor 8 drives touch roll 6 by belt, shaft coupling and drives abrasive band 14 and rotates around pendular roller 2 and touch roll 6.Described work stage 13 can drive and move back and forth along its length direction by modes such as hydraulic pressure, screw rods.Work stage 13 drives the sheet material that is adsorbed on the work stage 13 and moves back and forth together, thereby abrasive band 14 contact sheet materials carry out grinding.
As accompanying drawing 2, shown in the accompanying drawing 3, a kind of abrasive belt grinding device of door-moving type wide plate, comprise the work stage 13 that is provided with regularly, the motor 8 of grinding mechanism 11 and the described grinding mechanism 11 of driving, described grinding mechanism 11 comprises the frame 1 that has drive unit, touch roll 6, pendular roller 2 and be centered around pendular roller 2, endless abrasive belt 14 on the touch roll 6, described pendular roller 2 is arranged on touch roll 6 tops, described touch roll 6 is arranged on work stage 13 tops and is in transmission connection with motor 8, described frame 1 bottom is provided with base 15, described base 15 is parallel to work stage 13 and extends, and is provided with guide rail mechanism 16 slidably between described frame 1 bottom and base 15 tops.
Described guide rail mechanism 16 comprises the guide groove 12 that is arranged on base 15 tops, is arranged in the guide groove 12 to described frame 1 basal sliding.
In working order down, motor 8 drives touch roll 6 by belt, shaft coupling and drives abrasive band 14 and rotates around pendular roller 2 and touch roll 6.Described frame 1 drive guide groove 12 reciprocating motions of whole setting grinding mechanism 11 thereon along base 15 tops, and described work stage 13 maintains static under the driving of drive unit such as hydraulic means.Frame 1 moves back and forth, and drives abrasive band 14 in the plate surface grinding.
Abrasive band sand milling device for milling mechanism and door-moving type wide plate, described grinding mechanism 11 comprises that also the abrasive band prevents inclined to one side system 25, the anti-inclined to one side system 25 in described abrasive band comprises oscillating cylinder 17 and shoring 9, and described oscillating cylinder 17 and shoring 9 are arranged between pendular roller 2 and the touch roll 6.The edge in described abrasive band 14 is provided with photoelectric sensor (not drawing among the figure), send the photosignal of abrasive band sideslip when photoelectric sensor after, the oscillating cylinder 17 that is arranged on pendular roller 2 bottoms is along specific direction ejection dynamic air-flow, make pendular roller 2 around shoring 9 left and right sides wave amplitude swings, adjust the sideslip in abrasive band, prevent that the abrasive band from crumpling.
Described grinding mechanism 11 also comprises abrasive band clamping system 3, and described abrasive band clamping system 3 comprises air bag 10, and described air bag 10 is arranged between pendular roller 2 and the touch roll 6.After photoelectric sensor sends the lax photosignal in abrasive band, air bag 10 inflation jack-up pendular rollers 2 tensioning abrasive bands 14.
As accompanying drawing 4 to shown in the accompanying drawing 6, described grinding mechanism 11 also comprises jacking system 7, described jacking system 7 comprises lifting motor 18, gear reduction unit 19 and ball screw lift 20, described gear reduction unit 19 connects the output of lifting motor 18, the input of the output ball screw lift 20 of described gear reduction unit 19 is in transmission connection mutually, be fixedly provided with guide pillar 22 on the output of described ball screw lift 20, described guide pillar 22 is slidingly arranged in the guide pin bushing 21.
Finish the feeding of grinding by described jacking system 7.After the rotating speed of lifting motor 20 is slowed down by gear reduction unit 19, rotating torque is transferred to the ball screw lift 20 of four jiaos of frames by power transmission shaft 24, gear steering box 23.Ball screw lift 20 can be converted into axial displacement with driving torque, and the accuracy guarantee of ball screw the accurate feeding of jacking system 7 vertical directions, guaranteed the accurate thickness of sheet material.Also be provided with guide pillar 22 on the output shaft of ball screw lift 20, described guide pillar 22 is slidingly connected with guide pin bushing 21, guarantees the frame synchronization lifting, reaches sand milling feeding requirement.
Described grinding mechanism 11 also comprises latch segment 5.14 backs, abrasive band on cantilever 4, pack into latch segment 5 locking cantilevers, guarantee that cantilever 4 vibrates little in sand grinding process.
Shown in accompanying drawing 1, accompanying drawing 2, described grinding mechanism also comprises brake apparatus, and described brake apparatus 26 comprises brake disc 27, the air bag butterfly system 28 of stopping, and described brake disc 27 is arranged on the axle 29 that is in transmission connection, and the described air bag butterfly system 28 of stopping is arranged on the frame 1.System 28 holds brake disc 27 tightly in case abrasive band 14 fractures like this, air bag butterfly are stopped, and makes motor 8 and touch roll 6 automatic stoppings, prevents that the abrasive band 14 of high-speed motion from flying out.