CN201009129Y

CN201009129Y - Ultra-micrometre accuracy two-sided grinding miller

Info

Publication number: CN201009129Y
Application number: CNU2007200344762U
Authority: CN
Inventors: 陶贵勇
Original assignee: Anhui Huatian Machinery Co Ltd
Current assignee: Anhui Huatian Machinery Co Ltd
Priority date: 2007-02-13
Filing date: 2007-02-13
Publication date: 2008-01-23
Anticipated expiration: 2017-02-13

Abstract

The utility model discloses an ultra-micron accuracy double-grinding machine which belongs to a machine tool. The utility model is characterized in that an oil cylinder body of a fluid pressure oil cylinder is arranged glidingly in the left end of an axle hole of a swiveling jib. A piston rod of the fluid pressure oil cylinder is fixed on a Z-shaped supporting plate. An adjusting nut is arranged at the bottom of the oil cylinder body. A stretching screw with a handle is arranged in the adjusting nut. A locking nut with a handle is arranged on the stretching screw. A spherical hinge is fixed on the lower end of the stretching screw. An upper abrasive disk is arranged on the base of the spherical hinge. A disk base is arranged on the left of the machine base. A lower abrasive disk is arranged on the disk base. A drive plate provided with blade locating hole is arranged above the lower abrasive disk. An electric motor II and a worm gear second-level gear box which is of coaxial-line double output shaft are arranged inside the left of the machine base. The blade surface is grinded repeatedly through the rotating of the lower abrasive disk and the drive plate after the power is transmitted, thereby, extremely high comprehensive precision, surface smooth finish and processing quality is actualized, and production cost is significantly reduced by the substitution of imported blade.

Description

Ultra micro rice precision twin grinder

Technical field

The utility model belongs to lathe, especially relates to a kind of flat stone mill lathe.

Background technology

Existing roller shear cutter blade generally adopts surface grinding machine or round platform grinding machine to come grinding, the surface smoothness of blade can only reach  10- 12, simultaneously owing to be subjected to the restriction of the precision of grinding machine own, machining accuracy can only be controlled at 0.005mm, the depth of parallelism of the blade after the grinding, flatness and surface roughness are relatively poor, can not satisfy the requirement that blade uses.

Summary of the invention

The purpose of this utility model is to propose a kind of ultra micro rice precision twin grinder, can improve the machining accuracy and the surface smoothness of roller shear cutter blade widely, and precision can reach 0.001mm, and surface smoothness can reach  14, and promptly surface roughness can reach Obtain high crudy, the blade of being produced can substitute the import blade fully, satisfies user's requirement.

The purpose of this utility model is achieved like this: a kind of ultra micro rice precision twin grinder, by support, column, pivoted arm is formed, support is a body structure, the column of cavity is installed on plane on the right side of support, at the sliding dress of the cylindrical upper end Duan Shangyong of column collar bush pivoted arm, the locking position fixing handle is installed between column and pivoted arm, unscrew the locking position fixing handle, can push-jump as required pivoted arm, screw the locking position fixing handle, with the pivoted arm locking and be positioned on the column, it is characterized in that on the left end section of pivoted arm, offering vertical axis hole, left axle sleeve is installed in axis hole, the cylinder body of sliding dress hydraulic jack in left axle sleeve, and above the left side section of pivoted arm, Z-shaped supporting plate is installed, the external part of the piston rod of hydraulic jack is packed on the upper flat plate of Z-shaped supporting plate, in the bottom of cylinder body the adjustment nut is installed, the adjustment screw rod of equipped band handle in adjusting nut, at the lock-nut of adjusting equipped band handle on the screw rod, on the lower end section of adjusting screw rod, install spherical hinge, on the spherical hinge seat, install abrasive disk, in addition, electric motor I is installed on right side at the support inner chamber, in the cavity of column, hydraulic oil pump is installed, hydraulic oil container and three pilot operated valve device are installed in the right outside at column, belt transmission pair, hydraulic oil container are installed between electric motor I and the hydraulic oil pump, hydraulic oil pump, connect with hydraulic oil pipe is corresponding respectively between three pilot operated valve device and the hydraulic jack; In addition, link plate is installed on right side in the baseplane of the cylinder body of hydraulic jack, and the hook of the mounting strap handle of on pivoted arm, holing, so, the liter of top lap, fall by HYDRAULIC CONTROL SYSTEM, adopt fixed piston rod and allow on the cylinder body, the mode of following motion has improved the rigidity and the stability of elevating mechanism effectively, the rising of top lap is promoted by pressure oil, it descends and then finishes by the own wt of oil cylinder oil return and top lap, the position that top lap falls can be regulated by adjusting screw rod, with the workpiece that adapts to different-thickness and compensation because last, change in location after the following abrasive disk wearing and tearing attenuation; Be provided with safety hook especially on hoisting mechanism, when top lap rises to certain altitude, hook link plate, hook can tangle top lap, in order to avoid accidents caused owing to some unpredictalbe reason causes top lap to plunk down; The hydraulic jack of hoisting mechanism is by the gear hydraulic oil pump feed, and control by three pilot operated valve device, when top lap falls and begin workpiece, action bars can be transferred to neutral position, this moment, three pilot operated valve device were directly connected oil return with the oil circuit sealing and with the pressure fuel pump oil outlet, so can close down the electric motor I of hydraulic oil pump, in top lap lifting or decline process, all can carry out crawl by action bars; In addition, the seat of trying to get to the heart of a matter of the T shape of the band central through hole of abrasive disk under installing on the plane on the left side of support, mounting plane bearing in the plane on the seat of trying to get to the heart of a matter, abrasive disk under installing on this plane bearing, and make, following abrasive disk is positioned on the same center line, above following abrasive disk, dial is installed, offer the locating hole of blade on the dial, in each locating hole, lay blade, T shape try to get to the heart of a matter the seat perpendicular section in bearing hollow central siphon is installed, in this hollow central siphon, with bearing the dial power transmission shaft is installed again, the upper end of hollow central siphon installs mutually with following abrasive disk and connects, upper end section at the dial power transmission shaft is offered straight trough, on the lower end of dial power transmission shaft, offer cross recess, be connected with the V-arrangement slide block between dial power transmission shaft and the dial, there is a beat amount when making the dial rotation, left part at the support inner chamber is installed electric motor I I and worm and gear two stage speed change case, the belt transmission auxiliary driving is installed between electric motor I I and the worm screw, this worm and gear two stage speed change case is a coaxial line double output shaft gearbox, on the worm gear output shaft, cogging and lower gear of two different numbers of teeth is housed on the section of following two ends, and in this gearbox inner chamber, be positioned at the right side of worm-wheel shaft, the output sleeve pipe of epimere band gear is installed with bearing, the upper end section of this output sleeve pipe is stretched out gear box casing outward, shaft coupling is installed on the external part of output sleeve pipe is connected, abrasive disk rotation under the power transmission rear drive with the lower end of hollow central siphon; The output solid shafting of hypomere band gear is installed with bearing again in the inner chamber of output sleeve pipe, the upper end of output solid shafting is installed crosshead shoe and is connected with the cross recess of dial power transmission shaft lower end, after transmission, just drive the dial rotation, cogging and export gears engaged on the sleeve pipe on the worm gear output shaft, lower gear on the worm gear output shaft and the gears engaged of exporting on the solid shafting, when electric motor I I works, electric motor I I is input to motion on the worm shaft by belt pulley, by the worm gear double reduction, and the gear of two different numbers of teeth is housed on the worm gear output shaft, they respectively with output on the sleeve pipe gear and the gear on the output solid shafting be meshed, thereby on same output axis, realize two kinds of different output speeds, when the V belt transmission, output speed is 84 rev/mins on the output sleeve pipe, and the output speed of output solid shafting is 38 rev/mins; During twin grinder work, polished one group of blade is sandwiched between the upper and lower abrasive disk and is placed in each locating hole of circular driving-plate, grind abrasive disk rotation at present, top lap does not rotate and is centered and be pressed on the blade with nature by spherical hinge, the centre of location of dial can be regulated, the pivot of it and following abrasive disk has an eccentric throw, thereby driving dial swings, in process of lapping, blade will produce three kinds of motions between the upper and lower abrasive disk: 1, rotation in blade each locating hole at dial; 2, the pivot of abrasive disk revolved round the sun under blade centered on; 3, blade is swung under the drive of dial off-centre, because the revolution direction of blade is consistent with following abrasive disk direction of rotation and speed is about its half, so relative grinding rate basically identical between the upper and lower surface of blade and the upper and lower abrasive disk, its grinding effect is also roughly the same, because the rotation and the swing of blade, just make each position of blade on whole upper and lower abrasive disk, constantly change relative position, thereby make blade face grind more evenly, the blade that repeatedly overturns in process of lapping grinds repeatedly, can make blade obtain high synthesis precision.

The ultra micro rice precision twin grinder that the utility model proposes, rational in infrastructure, safe and reliable, improved the machining accuracy and the surface smoothness of roller shear cutter blade widely, obtain high crudy, substitute the import blade and reduce production costs significantly.

Now the ultra micro rice precision twin grinder of in conjunction with the accompanying drawings and embodiments the utility model being carried is described further.

Description of drawings

Fig. 1 is that the master of the band partial cutaway of the ultra micro rice precision twin grinder that proposes of the utility model looks schematic diagram.

Among Fig. 1: 1, support 2, electric motor I 3, electric motor I I 4, hydraulic oil container 5, three pilot operated valve device 6, column 7, pivoted arm 8, supporting plate 9, piston rod 10, hook 11, cylinder body 12, link plate 13, adjust nut 14, adjust screw rod 15, locking nut 16, spherical hinge 17, top lap 18, dial 19, following abrasive disk 20, try to get to the heart of a matter the seat 21, dial power transmission shaft 22, hollow central siphon 23, output solid shafting 24, output sleeve pipe 25, worm screw 26, gearbox

The specific embodiment

As can be seen from Figure 1: a kind of ultra micro rice precision twin grinder, by support 1, column 6, pivoted arm 7 is formed, support 1 is a body structure, the column 6 of cavity is installed on plane on the right side of support 1, at the sliding dress of the cylindrical upper end Duan Shangyong of column 6 collar bush pivoted arm 7, the locking position fixing handle is installed between column 6 and pivoted arm 7, unscrew the locking position fixing handle, can push-jump as required pivoted arm 7, screw the locking position fixing handle, with pivoted arm 7 lockings and be positioned on the column 6, it is characterized in that on the left end section of pivoted arm 7, offering vertical axis hole, left axle sleeve is installed in axis hole, the cylinder body 11 of sliding dress hydraulic jack in left axle sleeve, and above the left side section of pivoted arm 7, Z-shaped supporting plate 8 is installed, the external part of the piston rod 9 of hydraulic jack is packed on the upper flat plate of Z-shaped supporting plate 8, in the bottom of cylinder body 11 adjustment nut 13 is installed, the adjustment screw rod 14 of equipped band handle in adjusting nut 13, at the locking nut 15 of adjusting equipped band handle on the screw rod 14, on the lower end section of adjusting screw rod 14, install spherical hinge 16, on the base of spherical hinge 16, install abrasive disk 17, in addition, electric motor I 2 is installed on right side at support 1 inner chamber, in the cavity of column 6, hydraulic oil pump is installed, hydraulic oil container 4 and three pilot operated valve device 5 are installed in the right outside at column 6, belt transmission pair, hydraulic oil container 4 are installed between electric motor I 2 and the hydraulic oil pump, hydraulic oil pump, connect (not drawing among the figure) with hydraulic oil pipe is corresponding respectively between three pilot operated valve device 5 and the hydraulic jack; In addition, link plate 12 is installed on right side, baseplane at the cylinder body 11 of hydraulic jack, and on pivoted arm 7 hook 10 of corresponding boring mounting strap handle, so, the liter of top lap 17, fall by HYDRAULIC CONTROL SYSTEM, adopt fixed piston rod 9 and allow on the cylinder body 11, the mode of following motion has improved the rigidity and the stability of elevating mechanism effectively, the rising of top lap 17 is promoted by hydraulic oil, it descends and then finishes by the own wt of hydraulic jack oil return and top lap 17, the position that top lap 17 falls can be regulated by adjusting screw rod 14, with the workpiece that adapts to different-thickness and compensation because last, following abrasive disk 17, change in location after the 19 wearing and tearing attenuation; On hoisting mechanism, be provided with safety hook 10 especially, when top lap 17 rises to certain altitude, hook 10 hooks link plate 12, and hook 10 can tangle top lap 17, in order to avoid accidents caused owing to some unpredictalbe reason causes top lap 17 to plunk down; The hydraulic jack of hoisting mechanism is by the gear hydraulic oil pump feed, and control by three pilot operated valve device 5, when falling and begin workpiece, top lap 17 action bars can be transferred to neutral position, this moment, three pilot operated valve device 5 were directly connected oil return with the oil circuit sealing and with the pressure fuel pump oil outlet, so can close down the electric motor I 2 of hydraulic oil pump, in top lap 17 liftings or decline process, all can carry out crawl by action bars; In addition, the seat 20 of trying to get to the heart of a matter of the T shape of the band central through hole of abrasive disk 19 under installing on the plane on the left part of support 1, mounting plane bearing in the plane on the seat 20 of trying to get to the heart of a matter, abrasive disk 19 under installing on this plane bearing, and make, following

abrasive disk

17,19 are positioned on the same center line, dial 18 is installed above following abrasive disk 19, offer the locating hole of blade on the dial 18, in each locating hole, lay blade, in the seat 20 perpendicular section of trying to get to the heart of a matter of T shape, hollow central siphon 22 is installed with bearing, in this hollow central siphon 22, with bearing dial power transmission shaft 21 is installed again, the upper end of hollow central siphon 22 installs mutually with following abrasive disk 19 and connects, upper end section at dial power transmission shaft 21 is offered straight trough, on the lower end of dial power transmission shaft 21, offer cross recess, be connected with the V-arrangement slide block between the upper end section of dial power transmission shaft 21 and the dial 18, there is a beat amount when making dial 18 rotations, left part at support 1 inner chamber is installed electric motor I I 3 and worm and gear two stage speed change case 26, the belt transmission auxiliary driving is installed between electric motor I I3 and the worm screw 25, this worm and gear two stage speed change case 26 is coaxial line double output shaft gearboxes, on the worm gear output shaft, cogging and lower gear of two different numbers of teeth is housed on the section of following two ends, and in these gearbox 26 inner chambers, be positioned at the right side of worm-wheel shaft, the output sleeve pipe 24 of epimere band gear is installed with bearing, the upper end section of this output sleeve pipe 24 is stretched out the housing of gearbox 26 outward, shaft coupling is installed on the external part of output sleeve pipe 24 is connected, abrasive disk 19 rotations under the power transmission rear drive with the lower end of hollow central siphon 22; The output solid shafting 23 of hypomere band gear is installed with bearing again in the inner chamber of output sleeve pipe 24, the upper end of output solid shafting 23 is installed crosshead shoe and is connected with the cross recess of dial power transmission shaft 21 lower ends, after transmission, just drive dial 18 rotations, cogging and export gears engaged on the sleeve pipe 24 on the worm gear output shaft, lower gear on the worm gear output shaft and the gears engaged of exporting on the solid shafting 23, when electric motor I I3 works, electric motor I I3 is input to motion on the axle of worm screw 25 by belt pulley, pass through worm gear reducer, and the gear of two different numbers of teeth is housed on the worm gear output shaft, they respectively with output on the sleeve pipe 24 gear and the gear on the output solid shafting 23 be meshed, thereby on same output axis, realize two kinds of different output speeds, when the V belt transmission, output speed is 84 rev/mins on the output sleeve pipe 24, and the output speed of output solid shafting 23 is 38 rev/mins; During twin grinder work, polished one group of blade is sandwiched between the upper and lower

abrasive disk

17,19 and is placed in each locating hole of circular driving-plate 18, grind abrasive disk 19 rotations at present, top lap 17 does not rotate and is centered and be pressed on the blade with nature by spherical hinge 16, the centre of location of dial 18 can be regulated, the pivot of it and following abrasive disk 19 has an eccentric throw, thereby driving dial 18 swings, in process of lapping, blade will produce three kinds of motions between the upper and lower abrasive disk 17,19: 1, rotation in blade each locating hole at dial 18; 2, the pivot of abrasive disk 19 revolved round the sun under blade centered on; 3, blade is swung under the drive of dial 18 off-centre, because the revolution direction of blade is consistent with following abrasive disk 19 direction of rotation and speed is about its half, so on the blade, lower surface and last, following abrasive disk 17, relative grinding rate basically identical between 19, its grinding effect is also roughly the same, because the rotation and the swing of blade, just make each position of blade on whole, following abrasive disk 17, constantly change relative position on 19, thereby make blade face grind more evenly, the blade that repeatedly overturns in process of lapping grinds repeatedly, can make blade obtain high synthesis precision.

Claims

1. a ultra micro rice precision twin grinder is made up of support (1), column (6), pivoted arm (7), it is characterized in that:

A, on the left end section of pivoted arm (7), offer vertical axis hole, left axle sleeve is installed in axis hole, the cylinder body (11) of sliding dress hydraulic jack in left axle sleeve, and Z-shaped supporting plate (8) is installed in the top of the left side section of pivoted arm (7), the external part of the piston rod (9) of hydraulic jack is packed on the upper flat plate of Z-shaped supporting plate (8);

B, install in the bottom of cylinder body (11) and to adjust nut (13), the adjustment screw rod (14) of equipped band handle in adjusting nut (13), at the locking nut (15) of adjusting the upward equipped band handle of screw rod (14), on the lower end section of adjusting screw rod (14), install spherical hinge (16), on the base of spherical hinge (16), install abrasive disk (17);

C, electric motor I (2) is installed on the right side of support (1) inner chamber, in the cavity of column (6), hydraulic oil pump is installed, hydraulic oil container (4) and three pilot operated valve device (5) are installed in the right outside at column (6), the belt transmission pair is installed between electric motor I (2) and the hydraulic oil pump, connects with hydraulic oil pipe is corresponding respectively between hydraulic oil container (4), hydraulic oil pump, three pilot operated valve device (5) and the hydraulic jack;

D, link plate (12) is installed, and is gone up the hook (10) of corresponding boring mounting strap handle at pivoted arm (7) on the right side, baseplane of the cylinder body (11) of hydraulic jack;

E, the seat (20) of trying to get to the heart of a matter of the T shape of the band central through hole of abrasive disk (19) under installing on the plane on the left part of support (1), mounting plane bearing in the last plane of seat (20) of trying to get to the heart of a matter, abrasive disk (19) under installing on this plane bearing, and make, following abrasive disk (17), (19) be positioned on the same center line, dial (18) is installed in top at following abrasive disk (19), offer the locating hole of blade on the dial (18), in the seat (20) perpendicular section of trying to get to the heart of a matter of T shape, hollow central siphon (22) is installed with bearing, in this hollow central siphon (22), with bearing dial power transmission shaft (2 1) is installed again, the upper end of hollow central siphon (22) installs mutually with following abrasive disk (19) and connects, upper end section at dial power transmission shaft (21) is offered straight trough, on the lower end of dial power transmission shaft (21), offer cross recess, be connected with the V-arrangement slide block between the upper end section of dial power transmission shaft (21) and the dial (18);

F, left part at support (1) inner chamber is installed electric motor I I (3) and worm and gear two stage speed change case (26), the belt transmission pair is installed between electric motor I I (3) and the worm screw (25), this worm and gear two stage speed change case (26) is a coaxial line double output shaft gearbox, on the worm gear output shaft, cogging and lower gear of two different numbers of teeth is housed on the section of following two ends, and in gearbox (26) inner chamber, be positioned at the right side of worm-wheel shaft, the output sleeve pipe (24) of epimere band gear is installed with bearing, the upper end section of this output sleeve pipe (24) is stretched out the housing of gearbox (26) outward, shaft coupling is installed on the external part of output sleeve pipe (24) to be connected with the lower end of hollow central siphon (22), the output solid shafting (23) of hypomere band gear is installed with bearing again in the inner chamber of output sleeve pipe (24), the upper end of output solid shafting (23) is installed crosshead shoe and is connected with the cross recess of dial power transmission shaft (21) lower end, gears engaged on the cogging and export gears engaged on the sleeve pipe (24) on the worm gear output shaft, the lower gear on the worm gear output shaft and output solid shafting (23).