The utility model content
The purpose of this utility model provides a kind of gantry burr lathe, and its bistrique rotation and mobile the adjustment flexibly can also be adjusted the angle of rotational workpieces, can carry out the root of weld cleaning at tank body joint bevelling.
For achieving the above object, the utility model is a kind of gantry burr lathe, comprise portal frame, grinding head device and panoramic table, its key is: the crossbeam of described portal frame is provided with rack-and-pinion and is connected with the cross slide plate back side, its middle rack is fixed on the crossbeam, be fixed with horizontal motor on the cross slide plate, the described gear of suit on the output shaft of horizontal motor, cross slide plate front is provided with feed screw nut pair and is connected with column, wherein nut is installed on the cross slide plate, and by the servomotor drive, screw mandrel is installed on the column through screw rodb base, and column lower end is installed described grinding head device; The grinding head device below is provided with described panoramic table;
The cross slide plate moves along crossbeam, drives column and grinding head device and moves horizontally along X-direction, and column moves up and down along the cross slide plate, drives grinding head device and vertically moves along Z-direction.
Described servomotor is fixed on the cross slide plate, is set with travelling gear on the output shaft of servomotor, and travelling gear and the engagement of described nut realize transmission.
Described panoramic table is made up of rotating disk, base, decelerator, rotary electric machine, travelling gear, floating bearing and rotating disk pedestal, wherein fix described decelerator on the base, the input of decelerator connects the output shaft of described rotary electric machine, the gear shaft of the output of decelerator for upwards erectting, the gear the tip of the axis is fixed described travelling gear, the outer ring engagement of this travelling gear and described floating bearing, be fixed with described rotating disk on this outer ring, the inner ring of floating bearing is through being bolted to described rotating disk pedestal, and the rotating disk pedestal is fixed on the described base.
When realizing that the grinding head device multidimensional moves, workpiece can also be placed on the panoramic table, the rotation control by to panoramic table realizes the rotation to workpiece, makes grinding machine processing more flexible.
Described grinding head device comprises grinding head mechanism, horizontal mobile mechanism and " door " font grinding machine support, described horizontal mobile mechanism is by a left side, right two horizontal bearings and two cross sliding shafts are formed, wherein grinding head mechanism is installed between two horizontal bearings, a described left side, right horizontal bearing is set on the cross sliding shaft, the two ends of described cross sliding shaft are separately fixed at the inner ring lower surface, inner ring is provided with minor axis, this minor axis stretches in the outer annular recess of outer ring, described inner ring and outer ring are concentric circles, same diameter two ends at the outer ring outer shroud are provided with horizontal rotating shaft, described horizontal rotating shaft stretches on two root posts of described " door " font grinding machine support through bearing respectively, be fixed with fan type driver plate on the wherein right horizontal rotating shaft, tooth punching and be engaged with gear on the circular arc limit of this fan type driver plate, described gear set is on the output shaft of swing motor, and the swing motor is fixed on the described grinding machine support.
Spatial vertical between cross sliding shaft and the crossbeam makes grinding head mechanism move horizontally along Y direction.
Start the swing motor, the whole upset that realizes certain angle of gear driven outer ring, inner ring and grinding head mechanism.
Can rotate mutually between inner ring and the outer ring, rotary inner ring just can drive horizontally rotating of whole realization 360 degree of horizontal bearing and grinding head mechanism.
Described base is provided with at least three rotation preventive mechanism, this rotation preventive mechanism comprises the cylinder that is fixed on the base, the piston push rod end of this cylinder is hinged with pushing block through the pin of living, this pushing block is welded on the drive plate, drive plate is fixed on the transmission nut through screw, and transmission nut is spacing on described base through nut seat, is set with push rod in the transmission nut, the top overstriking of push rod is a push rod head, and this push rod head is over against the lower surface of described rotating disk.
Start rotation preventive mechanism, the piston push rod of cylinder promotes drive plate and transmission nut rotates, and it is up to drive push rod, can stablize rotating disk, prevents that it from misrouting moving; When needing to rotate rotating disk, regain piston push rod and can close rotation preventive mechanism.
Also be fixed with the push rod retainer on the described base, this push rod retainer kink is that it is spacing on push rod.
The push rod retainer improves the stability of push rod, increases its support force.
Described base is provided with four rotation preventive mechanism.
A plurality of rotation preventive mechanism boost rotating disk simultaneously, can increase support force, and can make rotating disk keep balance.
The upper surface of described rotating disk is radially distributed with chute, be set with the slip fixture block in the chute, the chute bottom surface has at least two screws, and be installed with the fixing described slip fixture block of screw, and have the chuck chute on the slip fixture block, be fixed with limited block respectively at described chuck chute two ends, two limited blocks are set with same screw rod and are that this screw rod is spacing, in the described chuck chute active chuck is installed, this active chuck is sleeved on the screw rod, has cascaded surface on the active chuck.
Fixing slip fixture block on the different screws, the workpiece of the different sizes of being convenient to polish are opened cascaded surface on the slip fixture block, can improve the adaptability of grinding machine to the workpiece height, and workpiece is lived in clamping securely again.
Described decelerator is a bevel gear pair, and wherein bevel pinion is sleeved on the output shaft of described rotary electric machine, and bevel gear wheel is sleeved on the described gear shaft.
Remarkable result of the present utility model is: bistrique can be along level, vertically do the adjustment of any direction, can also make 360 degree horizontally rotates, and the upset of certain angle, make the bistrique rotation and move adjustment flexibly, can also adjust the angle of rotational workpieces reposefully, can carry out the root of weld cleaning at tank body joint bevelling.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Embodiment 1:
As Fig. 1,2, shown in 3: the burr lathe of a kind of gantry, by portal frame, grinding head device 71, panoramic table 72, gear 31 tooth bars 32 pairs, cross slide plate 33, screw mandrel 35 nuts 36 secondary and column 38 compositions, wherein: the crossbeam 30 of described portal frame is provided with gear 31 tooth bars 32 pairs and is connected with cross slide plate 33 back sides, its middle rack 32 is fixed on the crossbeam 30, be fixed with horizontal motor 34 on the cross slide plate 33, the described gear 31 of suit on the output shaft of horizontal motor 34, cross slide plate 33 fronts are provided with screw mandrel 35 nuts 36 pairs and are connected with column 38, wherein nut 36 is installed on the cross slide plate 33, and by servomotor 39 drives, screw mandrel 35 is installed on the column 38 through screw rodb base 37, and described grinding head device 71 is installed in column 38 lower ends; Grinding head device 71 belows are provided with described panoramic table 72;
Cross slide plate 33 moves along crossbeam 30, drives column 38 and grinding head device 71 and moves horizontally along X-direction, and column 38 moves up and down along cross slide plate 33, drives grinding head device 71 and vertically moves along Z-direction.
As shown in Figure 3: described servomotor 39 is fixed on the cross slide plate 33, is set with travelling gear 40 on the output shaft of servomotor 39, and travelling gear 40 is realized transmission with described nut 36 engagements.
As Fig. 7, shown in 12: described panoramic table 72 is by rotating disk 41, base 42, decelerator 43, rotary electric machine 44, travelling gear 45, floating bearing 46 and rotating disk pedestal 47 are formed, wherein fix described decelerator 43 on the base 42, the input of decelerator 43 connects the output shaft of described rotary electric machine 44, the gear shaft 48 of the output of decelerator 43 for upwards erectting, the end of gear shaft 48 is fixed described travelling gear 45, this travelling gear 45 meshes with the outer ring of described floating bearing 46, be fixed with described rotating disk 41 on this outer ring, the inner ring of floating bearing 46 is through being bolted to described rotating disk pedestal 47, and rotating disk pedestal 47 is fixed on the described base 42.
When realizing that grinding head device 71 multidimensional move, workpiece can also be placed on the panoramic table 72, the rotation control by to panoramic table 72 realizes the rotation to workpiece, makes grinding machine processing more flexible.
As Fig. 4,5, shown in 6: described grinding head device 71 comprises grinding head mechanism, horizontal mobile mechanism and " door " font grinding machine support 6, described horizontal mobile mechanism is by a left side, right two horizontal bearings 2,2 ' and two cross sliding shaft 3,3 ' forms, wherein grinding head mechanism is installed in two horizontal bearings 2, between 2 ', a described left side, right horizontal bearing 2,2 ' is set in cross sliding shaft 3, on 3 ', described cross sliding shaft 3,3 ' two ends are separately fixed at inner ring 4 lower surfaces, inner ring 4 is provided with minor axis, this minor axis stretches in 5 outer annular recess of outer ring, described inner ring 4 is a concentric circles with outer ring 5, the same diameter two ends of 5 outer shrouds are provided with horizontal rotating shaft 7 in the outer ring, 7 ', described horizontal rotating shaft 7,7 ' stretches on two root posts of described " door " font grinding machine support 6 through bearing respectively, be fixed with fan type driver plate 8 on the wherein right horizontal rotating shaft 7 ', tooth punching and be engaged with gear 9 on the circular arc limit of this fan type driver plate 8, described gear 9 is sleeved on the output shaft of swing motor 10, and swing motor 10 is fixed on the described grinding machine support 6.
Cross sliding shaft 3,3 ' and crossbeam 30 between spatial vertical, grinding head mechanism is moved horizontally along Y direction.
Start swing motor 10, gear 9 drives the whole upset that realizes certain angle of outer ring 5, inner ring 4 and grinding head mechanism.
Can rotate mutually between inner ring 4 and the outer ring 5, rotary inner ring 4 just can drive horizontal bearing 2,2 ' and grinding head mechanism is whole realizes horizontally rotating of 360 degree.
Shown in Fig. 7,13: as described in base 42 be provided with at least three rotation preventive mechanism, this rotation preventive mechanism comprises the cylinder 49 that is fixed on the base 42, the piston push rod end of this cylinder 49 is hinged with pushing block 51 through the pin 50 of living, this pushing block 51 is welded on the drive plate 52, drive plate 52 is fixed on the transmission nut 53 through screw, transmission nut 53 is spacing on described base 42 through nut seat 58, be set with push rod 54 in the transmission nut 53, the top overstriking of push rod 54 is push rod head 54a, and this push rod head 54a is over against the lower surface of described rotating disk 41.
As shown in figure 13: start rotation preventive mechanism, the piston push rod of cylinder 49 promotes drive plate 52 and transmission nut 53 rotates, and it is up to drive push rod 54, can stablize rotating disk 41, prevents that it from misrouting moving; When needing to rotate rotating disk 41, regain piston push rod and can close rotation preventive mechanism.
Also be fixed with push rod retainer 55 on the described base 42, these push rod retainer 55 kinks are that it is spacing on push rod 54.
Push rod retainer 55 improves the stability of push rod 54, increases its support force.
Described base 42 is provided with four rotation preventive mechanism.
A plurality of rotation preventive mechanism boost rotating disk 41 simultaneously, can increase support force, and can make rotating disk 41 keep balance.
Shown in Fig. 8,9,10,11: as described in the upper surface of rotating disk 41 be radially distributed with chute 56, be set with slip fixture block 57 in the chute 56, chute 56 bottom surfaces have at least two screw 56a, and be installed with the fixing described slip fixture block 57 of screw, have chuck chute 57a on the slip fixture block 57, be fixed with limited block 60 respectively at described chuck chute 57a two ends, two limited blocks 60 are set with same screw rod 59 and are that this screw rod 59 is spacing, among the described chuck chute 57a active chuck 61 is installed, this active chuck 61 is sleeved on the screw rod 59, has cascaded surface on the active chuck 61.
Different screw 56a goes up fixedly slip fixture block 57, and the different big or small workpiece of being convenient to polish are opened cascaded surface on the slip fixture block 57, can improve the adaptability of grinding machine to the workpiece height, and workpiece is lived in clamping securely again.
As shown in figure 12: described decelerator 43 is a bevel gear pair, and wherein bevel pinion 65 is sleeved on the output shaft of described rotary electric machine 44, and bevel gear wheel 66 is sleeved on the described gear shaft 48.
As Fig. 5,14, shown in 15: described grinding head device 71 comprises grinding head mechanism, horizontal mobile mechanism and " door " font grinding machine support 6, described horizontal mobile mechanism is by a left side, right two horizontal bearings 2,2 ' and two cross sliding shaft 3,3 ' forms, wherein grinding head mechanism is installed in two horizontal bearings 2, between 2 ', a described left side, right horizontal bearing 2,2 ' is set in cross sliding shaft 3, on 3 ', described cross sliding shaft 3,3 ' two ends are separately fixed at inner ring 4 lower surfaces, inner ring 4 is provided with minor axis, this minor axis stretches in 5 outer annular recess of outer ring, described inner ring 4 is a concentric circles with outer ring 5, the same diameter two ends of 5 outer shrouds are provided with horizontal rotating shaft 7 in the outer ring, 7 ', described horizontal rotating shaft 7,7 ' stretches on two root posts of described " door " font grinding machine support 6 through bearing respectively, be fixed with fan type driver plate 8 on the wherein right horizontal rotating shaft 7 ', tooth punching and be engaged with gear 9 on the circular arc limit of this fan type driver plate 8, described gear 9 is sleeved on the output shaft of swing motor 10, and swing motor 10 is fixed on the described grinding machine support 6.
Start swing motor 10, gear 9 drives the whole upset that realizes certain angle of outer ring 5, inner ring 4 and grinding head mechanism.
As shown in Figure 5: can rotate mutually between inner ring 4 and the outer ring 5, rotary inner ring 4 just can drive horizontal bearing 2,2 ' and grinding head mechanism is whole realizes horizontally rotating of 360 degree.
As shown in figure 14: described grinding head mechanism comprises lowering or hoisting gear, main motor 15, tensioning apparatus and sanding apparatus are formed, wherein lowering or hoisting gear is by a left side, right holder 1,1 ', a left side, right lift cylinder 11,11 ', a left side, right lifting guide pillar 12,12 ', a left side, right riser guide 13,13 ' and motor cabinet 14 form, wherein left holder 1 and left riser guide 13 are fixed on the described left horizontal bearing 2, right left holder 1 ' and right riser guide 13 ' are fixed on the described right horizontal bearing 2 ', a described left side, right lift cylinder 11,11 ' piston head downwards and be separately fixed at a described left side, right holder 1, in 1 ', its cylinder body is fixed on the described motor cabinet 14 jointly, fixing described main motor 15 in the upper end of described motor cabinet 14 and tensioning apparatus, a described left side is fixed in the lower end of motor cabinet 14, right lifting guide pillar 12,12 ', a left side, right lifting guide pillar 12,12 ' passes a described left side respectively, right riser guide 13, in 13 ', a left side, right lifting guide pillar 12, described sanding apparatus is installed in 12 ' lower end.
As shown in figure 15: described sanding apparatus is made up of power transmission shaft 16, power transmission shaft bearing sleeve 17, main driving wheel 18, emery wheel 19 and belt 21, wherein power transmission shaft bearing sleeve 17 both sides are provided with installing plate 17a and fixedly connected with described left and right lifting guide pillar 12,12 ', the described power transmission shaft 16 of suit in the power transmission shaft bearing sleeve 17, the two ends of power transmission shaft 16 are separately installed with described main driving wheel 18 and emery wheel 19, wherein belt 21 transmissions between main driving wheel 18 and the described main motor 15.
As shown in figure 14: described tensioning apparatus is swung 24 by fixed pulley 22, tensioning cylinder 23 and tensioning and is formed, wherein fixed pulley 22 and tensioning cylinder 23 are fixed on the described motor cabinet 14, in the piston outer end of tensioning cylinder 23 described tensioning is installed and swings 24, described fixed pulley 22, tensioning swing 24 with described emery wheel 19 on be with same abrasive band 20.
Its operation principle is:
The pulling grinding head mechanism, left and right horizontal bearing 2,2 ' is gone up at cross sliding shaft 3,3 ' and is slided, and is convenient to grinding head mechanism and moves in the horizontal direction.
Start swing motor 10, gear 9 drives the whole upset that realizes certain angle of outer ring 5, inner ring 4 and grinding head mechanism.
Can rotate mutually between inner ring 4 and the outer ring 5, rotary inner ring 4 just can drive horizontal bearing 2,2 ' and grinding head mechanism is whole realizes horizontally rotating of 360 degree.
Multi-dimensional direction control bistrique position adapts to the polishing of different curve.