Shell making mechanical hand for investment casting
Technical field
The present invention relates to model casting equipment, specifically is a kind of shell making mechanical hand for investment casting.
Background technology
System shell operation comprises is stained with slurry, stucco, sclerosis, dry flow process, and the system shell of model casting manufacturer generally all is to adopt manual system shell, stucco at present, and this flow process will repeat just can finish for 5-8 time the making of shell, labour intensity height like this.Formwork need be in that to be stained with slurry bucket and stucco place repeatedly laterally mobile and move up and down, otherwise the angle of the change product that stops, make its be stained with the slurry and stucco even, inefficiency like this, and influenced greatly by human factor, if angle does not forward the position to, can make its be stained with the slurry and stucco inhomogeneous, will cause system chitin amount instability, also cause sand grains to be scattered on the ground simultaneously easily, make operating environment poor.Particularly ward off in the system process in large-scale shell mould, the single-piece Heavy Weight, large-scale has more than 100 kilograms, and general also have a 20-30 kilogram, and manual system shell, loose sand be difficulty very, at this time needs other main equipments to carry out booster action and just can finish, and makes complicated operation.At present the quite high shell making mechanical hand of automaticity is also arranged abroad, be provided with six-freedom degree, adopt state-of-the-art hydraulic component, but its complex structure costs an arm and a leg, can't bear for domestic general medium and small foundry enterprise.
Summary of the invention
The technical problem to be solved in the present invention is, provide a kind of can not only reduce labour intensity and increase work efficiency, simultaneously simple in structure, moderate, can improve operating environment and suitable all kinds formwork, be specially adapted to the shell making mechanical hand for investment casting of large-scale formwork.
Technical scheme of the present invention is, a kind of shell making mechanical hand for investment casting with following structure is provided, but comprise a plurality of formworks of body clamping articulated device, can make articulated device up and down and the rocker assembly that swings, can make the articulated device rotation and around the linking arm assembly of rocker assembly revolution, described rocker assembly body is rotationally connected, described linking arm assembly and rocker assembly are rotationally connected, and described articulated device is connected with the linking arm assembly is removable.
After adopting above structure, the present invention compared with prior art, have following remarkable advantage and beneficial effect: but because a plurality of formworks of described articulated device clamping, increase the quantity of every batch of clamping, increase work efficiency, and by body, rocker assembly and linking arm assembly make that articulated device can up and down and swing, rotation and around the rocker assembly revolution, simple in structure, and angle that can omnibearing change clamping formwork, make formwork be stained with slurry and stucco even.Described rocker assembly and body are rotationally connected, rocker assembly can make formwork move being stained with slurry bucket and stucco place, described linking arm assembly and rocker assembly are rotationally connected, can make formwork from be stained with the slurry bucket, take out or put into, by mechanization work, alleviate labour intensity like this, simultaneously can make big or small pattern shell, in moving process, sand grains also is difficult for being scattered on the ground, can effectively improve operating environment.Described articulated device is connected with the linking arm assembly is removable, make formwork elder generation clamping to articulated device, and then the articulated device clamping to the linking arm assembly, just can be to articulated device before so each manipulator work formwork elder generation clamping, wait for manipulator work intact just can the horse back clamping to the linking arm assembly, improved operating efficiency greatly, above device all can adopt parts general on the market, make moderate cost of the present invention, domestic general medium and small foundry enterprise can both bear.
As improvement, described body comprises base plate, rotary disk basement, rotating shaft, reducing motor I, frame, pinion, gear wheel, flange, described rotary disk basement is fixed on the base plate, described rotating shaft is rotatably connected in the rotary disk basement, the upper end of described rotating shaft is fixed with gear wheel and flange, the output shaft of described pinion and reducing motor I is fixed, described gear wheel and pinion, described reducing motor I is fixed on the frame, described frame and rotary disk basement are fixed, by the body of above this structure, compact conformation, can drive rocker assembly by 360 degree by reducing motor I, rocker assembly can be rotated flexibly.
As improvement, described rocker assembly comprises rotating disk, hydraulic cylinder I, column, rocking bar, hydraulic cylinder II, the cylinder sleeve of described hydraulic cylinder I and rotating disk one end are fixed, one end of the piston rod of described hydraulic cylinder I and rocking bar is fixed, the bottom of described column is fixed on the other end of rotating disk, the top of described column and the centre of rocking bar are hinged, the cylinder sleeve of described hydraulic cylinder II is fixed on the rocking bar, the piston rod of described hydraulic cylinder II and linking arm assembly are fixed, rocking bar is that fulcrum swings up and down good stability with the column by hydraulic cylinder I and hydraulic cylinder II.
As improvement, described linking arm assembly comprises linking arm, reducing motor II, reducing motor III, sleeve, bearing block, fixed head, described bearing block and linking arm and reducing motor II fix, the output shaft of described reducing motor II passes bearing block and fixed head one side is fixed, the output shaft of described reducing motor II is rotationally connected by two bearing I II and bearing block, the outer ring of described two bearing I II all with the bearing block close-fitting, the inner ring of described two bearing I II all with the output shaft close-fitting of reducing motor II, described reducing motor III is fixed on the opposite side of fixed head, the axis of the output shaft of described reducing motor II is vertical with rocking bar, the axis normal of the output shaft of the axis of the output shaft of described reducing motor III and reducing motor II, described sleeve are fixed on the output shaft of reducing motor III; The piston rod of described hydraulic cylinder II and linking arm assembly fixedly are meant, the piston rod of described hydraulic cylinder II and the center fixed of linking arm; Linking arm assembly by this structure can make articulated device articulated device be revolved round the sun rotation around rocking bar, can multi-angle rotate flexibly after making articulated device load onto formwork.
Description of drawings
Accompanying drawing 1 is a shell making mechanical hand for investment casting master TV structure schematic diagram of the present invention.
Accompanying drawing 2 is the plan structure schematic diagram of Fig. 1.
As shown in the figure: 1, rocking bar, 2, hydraulic cylinder I, 3, column, 4, hydraulic cylinder II, 5, rotating disk, 6, connecting plate, 7, flange, 8, gear wheel, 9, pinion, 10, frame, 11, reducing motor I, 12, base plate, 13, bearing I, 14, rotating shaft, 15, rotary disk basement, 16, bearing I I, 17, linking arm, 18, reducing motor III, 19, articulated device, 19.1, peg, 20, reducing motor II, 21, fixed head, 22, sleeve, 23, latch, 24, bearing block, 25, bearing I II.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 and Figure 2, shell making mechanical hand for investment casting of the present invention, but comprise a plurality of formworks of body clamping articulated device 19, can make articulated device about in the of 19 and the rocker assembly that swings, can make articulated device 19 rotations and around the linking arm assembly of rocker assembly revolution; Described rocker assembly and body are rotationally connected, and described linking arm assembly and rocker assembly are rotationally connected, and described articulated device is connected with the linking arm assembly is removable.
Described body comprises base plate 12, rotary disk basement 15, rotating shaft 14, reducing motor I11, frame 10, pinion 9, gear wheel 8, flange 7, described rotary disk basement 15 is fixed on the base plate 12, described rotating shaft 14 is rotatably connected in the rotary disk basement 15, the upper end of described rotating shaft 14 is fixed with gear wheel 8 and flange 7, described pinion 9 is fixed with the output shaft of reducing motor I11, described gear wheel 8 and pinion 9 engagements, the output shaft of reducing motor I11 drives pinion 9, pinion 9 drives gear wheel 8, gear wheel 8 drives rotating shaft 14, described reducing motor I11 is fixed in the frame 10, described frame 10 is fixing with rotary disk basement 15, described rocker assembly and body are rotationally connected and are meant, described rocker assembly is fixed by the flange 7 and the top of rotating shaft 14.
Described rocker assembly comprises rotating disk 5, hydraulic cylinder I2, column 3, rocking bar 1, hydraulic cylinder II4, the cylinder sleeve of described hydraulic cylinder I2 and rotating disk 5 left ends are fixed, the left end of this rotating disk 5 is provided with downward bending edges, the cylinder sleeve of hydraulic cylinder I2 is fixed on the bending edges, the left end of the piston rod of described hydraulic cylinder I2 and rocking bar 1 is fixed, the bottom of described column 3 is fixed on the right-hand member of rotating disk 5, the centre of the top of described column 3 and rocking bar 1 is hinged, the cylinder sleeve of described hydraulic cylinder II4 is fixed on the rocking bar 1, and the piston rod of described hydraulic cylinder II4 and linking arm assembly are fixed.Described rocking bar 1 is a lever, its fulcrum is the pin joint of rocking bar 1 and column 3, its power arm is hydraulic cylinder I2, its resistance arm is the linking arm assembly, linear reciprocation by hydraulic cylinder I2 is flexible, drive the linking arm assembly and swing up and down, flexible by the linear reciprocation of hydraulic cylinder II4, drive the linking arm assembly and swing.Described rocker assembly is meant fixedly that by the top of flange 7 and rotating shaft 14 endoporus of the top of described rotating shaft 14 and flange 7 is connected and fixed by key, and described flange 7 is fixing with connecting plate 6, and described connecting plate 6 is fixing with the rotating disk 5 of rocker assembly.
Described linking arm assembly comprises linking arm 17, reducing motor II20, reducing motor III18, sleeve 22, bearing block 24, fixed head 21, described bearing block 24 is fixed with linking arm 17 and reducing motor II20, the output shaft of described reducing motor II20 passes bearing block 24 and fixes with fixed head 21 1 sides, the output shaft of described reducing motor II20 is rotationally connected by two bearing I II25 and bearing block 24, the outer ring of described two bearing I II25 all with bearing block 24 close-fittings, the inner ring of described two bearing I II25 all with the output shaft close-fitting of reducing motor II20, described reducing motor III18 is fixed on the opposite side of fixed head 21, the two sides of this fixed head 21 are vertical mutually, the axis of the output shaft of described reducing motor II 20 is vertical with rocking bar 1, the axis normal of the output shaft of the axis of the output shaft of described reducing motor III18 and reducing motor II20, just the axis of the output shaft of reducing motor III18 is parallel with rocking bar 1, can not run into rocking bar 1 when reducing motor II20 drives reducing motor III18 and articulated device 19 like this, the articulated device 19 of reducing motor II20 drive simultaneously is the center revolution with the output shaft of reducing motor II20, drive articulated device 19 rotations of reducing motor III18, described sleeve 22 is fixed on the output shaft of reducing motor III18.The piston rod of described hydraulic cylinder II4 and linking arm assembly fixedly are meant, the center fixed of the piston rod of described hydraulic cylinder II4 and linking arm 17.Described linking arm assembly and rocker assembly are rotationally connected and are meant, the linking arm 17 of described linking arm assembly is hinged with rocking bar 1, normal condition, this linking arm 17 is vertical with rocking bar 1, when need of work, making linking arm 17 by hydraulic cylinder I2 is that the center swings up and down with the pin joint, and making linking arm 17 by hydraulic cylinder II4 is that the center swings with the pin joint.Described articulated device 19 was meant with removable connection of linking arm assembly, the center of described articulated device 19 is provided with peg 19.1, described peg 19.1 embeds with the centre bore of the sleeve 22 of linking arm assembly and cooperates, described peg 19.1 radially is provided with the through hole that runs through both, the removable latch 23 that is connected with in the described through hole with the embedding section of sleeve 22.Earlier the peg 19.1 of articulated device 19 is inserted into the centre bore of sleeve 22 during clamping, makes the through hole alignment of peg 19.1 and sleeve 22 then, insert latch 23 at last, make and then sleeve 22 rotations of articulated device 19; When taking off, pull out latch 23 earlier, and then articulated device 19 is pulled out from sleeve 22.
Hydraulic cylinder I2 of the present invention, hydraulic cylinder II4 all are connected with oil pump assy, and its concrete connected mode and operation principle are prior art, so do not give unnecessary details at this.
Shell making mechanical hand for investment casting work overall process of the present invention:
(1) at first formwork is installed on the articulated device 19, hangs on the sleeve 22 of delivering to reducing motor III18 by electric block then and install.
(2) primer fluid cylinder pressure I2, the piston rod of hydraulic cylinder I2 shrinks, and rocking bar 1 drives the linking arm assembly and upwards rises to suitably and highly promptly end, and the lowermost portion of formwork will be higher than be stained with the slurry bucket.
(3) start body reducing motor I11 partly, drive gear wheels 8 by pinion 9, gear wheel 8 drives rotating shafts 14, and rotating shaft 14 drives rotating disks 5 rotations, is that the center rotates thereby make the formwork on the linking arm assembly with rotating shaft 14, forwards the top of being stained with the slurry bucket to and promptly ends.
(4) primer fluid cylinder pressure II4 and reducing motor II20, making formwork is that the center of circle swings with the pin joint of linking arm 17 and rocking bar 1, and making formwork simultaneously is the center revolution with reducing motor II20, and the levelling formwork is in the center of being stained with the slurry bucket.
(5) open hydraulic cylinder I2 again, the piston rod of hydraulic cylinder I2 is stretched out, and formwork is promptly ended up to being immersed in the slurry face of being stained with the slurry bucket fully downwards.
(6) open reducing motor III18, formwork is promptly ended after starching slowly rotation in the bucket, making it evenly be stained with slurry.
(7) open hydraulic cylinder I2, the piston rod of hydraulic cylinder I2 shrinks, with formwork be promoted to leave the slurry face of being stained with the slurry bucket till; And then start reducing motor II20 and reducing motor III18 respectively, after being got rid of, promptly ends in the surplus slurry on the formwork.
(8) open reducing motor I11,, formwork is rotated to stucco place carry out stucco by rocker elements.
(9) open hydraulic cylinder I2, the piston rod of hydraulic cylinder I2 is stretched out, formwork is placed the adaptation height, and then open reducing motor II20 and reducing motor III18 respectively, formwork is rotated with two directions, it is even to reach stucco, is hung by electric block then and delivers to the sclerosis streamline and carry out cure process, and a working cycles of manipulator just finishes.
Above embodiment only is a preferable embodiment of the present invention, the present invention also allows other variation, frame 10 also can be fixed on the base plate 12 as described, described column 3 and hydraulic cylinder I2 location swap, column 3 is located at an end of rotating disk 5, hydraulic cylinder I2 is located between column 3 and the linking arm 17, and described hydraulic cylinder also can adopt cylinder or realize that by the driven by motor leading screw linear reciprocation is flexible or the like; All in the scope of claim 1, all in the protection domain of claim of the present invention.