CN102328098B - Main spindle box for milling and drilling machine - Google Patents
Main spindle box for milling and drilling machine Download PDFInfo
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- CN102328098B CN102328098B CN 201110273081 CN201110273081A CN102328098B CN 102328098 B CN102328098 B CN 102328098B CN 201110273081 CN201110273081 CN 201110273081 CN 201110273081 A CN201110273081 A CN 201110273081A CN 102328098 B CN102328098 B CN 102328098B
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Abstract
The invention relates to a main transmission box for a milling and drilling machine. The main transmission box comprises a sealed cavity composed of a box body and a box cover, and an input shaft component, a transmission shaft component and an output shaft component are mounted in the sealed cavity. The main transmission box is characterized in that a gear shaft is rotatably mounted in the sealed cavity, a main shaft motor is mounted on the sealed cavity, an output shaft of the main shaft motor is connected with the gear shaft; the transmission shaft can be rotatably mounted in the sealed cavity, and a high-low-drive gear set is assembled on the transmission shaft in a sliding manner; a large transmission gear in the high-low-drive gear set is always engaged with a gear shaft in the input shaft component; the main shaft can be rotatably mounted in the sealed cavity, a large output gear and a small output gear are mounted on the main shaft; a main shaft broaching-loosening cutter is arranged in the main shaft for firmly grasping a cutter. The transmission shaft box has rational and clever structure, and can meet a high output torque demand of the main shaft milling processing and a high output rotation speed demand of the drilling processing, can effectively meet the milling-drilling composite processing demands of parts. By the adoption of the transmission shaft box, the working efficiency can be obviously improved and the processing precision can be ensured.
Description
Technical field
The present invention relates to a kind of milling and drilling machine main transmission box of using in the numerical control milling and drilling machine bed of being specially adapted to, belong to the frame for movement technical field.
Background technology
Along with the manufacturing development of Large-Scale Equipment, the performance requirement to large-size numerical control machine on the market is more and more higher, and the machine tool that only possesses single processing function more and more can not satisfy the process requirements of complex parts, the substitute is composite processing machine tool.Composite processing machine tool is exactly compound two or more a machining functions on a process equipment, need the production and processing operation that just can finish by two or more machining tool before finishing by a process equipment, can improve working (machining) efficiency greatly.
The Milling Process of lathe mainly is the output torque that relies on main shaft, and in the drilling processing rotating speed of main shaft is had relatively high expectations, therefore the design of the main transmission box of milling and drilling machine can not be adopted single milling machine main transmission box or drilling machine main transmission box, need a kind of high moment of torsion output that can satisfy Milling Process of design, also can satisfy the main transmission box of the high rotating speed output of drilling processing simultaneously.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of milling and drilling machine main transmission box of using in the numerical control milling and drilling machine bed of being specially adapted to is provided, its structure is ingenious rationally, the high output speed demand of high output torque that can compatible main shaft Milling Process and drilling processing, can effectively satisfy parts and mill the demand of boring Compound Machining, obviously increase work efficiency, ensure machining accuracy.
According to technical scheme provided by the invention: the milling and drilling machine main spindle box, comprise the seal chamber of forming by casing and case lid, power shaft parts, power transmission shaft parts and output shaft assembly are installed in seal chamber, it is characterized in that: described power shaft parts comprise gear shaft and spindle motor, gear shaft is rotatably mounted in the seal chamber, spindle motor is installed on the seal chamber, and the output shaft of spindle motor is connected with gear shaft; Described power transmission shaft parts comprise power transmission shaft, high and low shift gear train and gearshift driving mechanism, and power transmission shaft is installed in rotation in the seal chamber, and the high and low shift gear train is slidedly assemblied on the power transmission shaft, and can slide on power transmission shaft by the drive of gearshift driving mechanism; The high and low shift gear train comprises small transmission gear and big travelling gear, and big travelling gear wherein is meshed with gear shaft in the power shaft parts all the time; Described output shaft assembly comprises that main shaft and main shaft draw loose cutter, main shaft is installed in rotation in the seal chamber, by flat key big output gear and little output gear are installed on the main shaft, big output gear wherein can mesh with the small transmission gear in the power transmission shaft parts or throw off, and little output gear wherein can mesh with the big travelling gear in the power transmission shaft parts or throw off; Described main shaft is a hollow structure inside, and main shaft draws loose cutter to be arranged in the main shaft, and main shaft draws loose cutter to be used for promptly cutter.
As a further improvement on the present invention, support in the bearing mounting hole that is installed on the casing by lower bearing described gear shaft lower end, is equipped with simultaneously in this bearing mounting hole and takes out pad, uses when being used to dismantle lower bearing; Described gear shaft upper end is supported in the bearing mounting hole that is installed on the case lid by upper bearing (metal); Spindle motor is by the positioning spigot location and installation on the case lid, and is fastenedly connected with case lid, and the output shaft of spindle motor is connected by flat key with gear shaft.
As a further improvement on the present invention, wavy spring circle, spacer ring and last installing hole back-up ring are installed successively on the described upper bearing (metal), the upper bearing (metal) that is deformed into by the wavy spring circle provides pretightning force, and leaves elongate space for gear shaft after heating is out of shape.
As a further improvement on the present invention, support in the bearing mounting hole that is installed on the casing by lower bearing described power transmission shaft lower end, is equipped with simultaneously in this bearing mounting hole and takes out pad, uses when being used to dismantle lower bearing; Support by upper bearing (metal) in the bearing mounting hole that is installed on the case lid described power transmission shaft upper end, and gland and case lid adopt interference fit, gland and upper bearing (metal) outer rim matched in clearance; Described small transmission gear is installed on the power transmission shaft by flat key, and big travelling gear is connected with small transmission gear by flat key, on the travelling gear spacer ring, bearing and pad is installed successively greatly, and the installation stop washer prevents nut loosening after by nut check; Described gearshift driving mechanism comprises shift fork and high and low shift cylinder, the outer rim of described bearing partly is installed in the fork, and the installation gland compresses, have cylinder axis installing hole and positioning spline on the fork, the cylinder axis of high and low shift cylinder is installed in the cylinder axis installing hole, cylinder axis has positioning spline on also, and key is connected by the cylinder axis of screw with the high and low shift cylinder, and the fixing position of cylinder axis in fork; Design has the used opening of fitting key on casing, after the key installation, cover plate is installed.
As a further improvement on the present invention, on the described high and low shift cylinder support is installed, the switch of posting a letter that is used to detect and feed back the high and low shift cylinder state is installed on the support.
As a further improvement on the present invention, described front-end of spindle is installed on the casing by the supporting of main shaft bearing group, the main shaft bearing group comprises spacer, clutch shaft bearing group, outer separator, inner spacing collar, second bearing group, outer ring spacer, cone spacer and blind flange, the position that the clutch shaft bearing group is installed in front-end of spindle after leaning on, spacer is installed in the clutch shaft bearing group outside, and spacer is by preceding locking nut group locking and compress steel ring in the clutch shaft bearing group; Outer separator, inner spacing collar are arranged between the clutch shaft bearing group and second bearing group, and compress the outer rim of the clutch shaft bearing group and second bearing group, interior steel ring respectively; Second bearing group is installed in main shaft foremost position place, the labyrinth seal mechanism sealing of second bearing group outside by forming by outer ring spacer and cone spacer, and this labyrinth seal mechanism is by blind flange locking encapsulation; Described rear-end of spindle is installed on the case lid by the supporting of spring bearing group, in the spring bearing group outside spacer is installed, spacer is by back locking nut group locking and compress the interior steel ring of spring bearing group, and seal cover is installed outside spacer, and seal cover is installed on the case lid by screw; In spring bearing group installed inside spacer is arranged, spacer one end compresses the interior steel ring of spring bearing group, and the spacer other end compresses described little output gear; Be equipped with spacer between described main shaft bearing group and the big output gear, spacer is provided with the ramp structure that is used to get rid of oil, is provided with the ramp structure that is used to get rid of oil on the described spacer equally.
As a further improvement on the present invention, inner nut and preceding outer nut before the locking nut group comprises before described, preceding inner nut and preceding outer nut are threaded on the main shaft in turn, preceding inner nut compresses spacer, preceding outer nut is connected with preceding inner nut by screw, leaves certain clearance between preceding inner nut and the preceding outer nut; Described back locking nut group comprises back inner nut and back outer nut, and its assembling mode is identical with preceding locking nut assembling prescription formula.
As a further improvement on the present invention, described front-end of spindle integral installation is in water jacket, water jacket is connected with casing, have thread groove on the water-jacket outer wall as the cold oil path, initial and the final position of thread groove has all designed the cold oil pipeline on corresponding water-jacket outer wall on the casing, as the cold oil peripheral passage; Be furnished with spacer in the water jacket rear end, spacer is close to clutch shaft bearing group outer rim; Be furnished with and water jacket flange connecting lid at the water jacket front end, blind flange is close to outer ring spacer, is close to the second bearing group outer rim simultaneously, thereby guarantees being connected of main shaft and water jacket.
As a further improvement on the present invention, described main shaft pine broaching tool comprises pressurized cylinder, gland, pressurized cylinder seat, lid, pull bar, semicircle spacer, butterfly spring group and claw, the pressurized cylinder seat is connected on the case lid by screw, pressurized cylinder is installed on the pressurized cylinder seat, gland is arranged in pressurized cylinder seat inside, and is connected with pressurized cylinder by screw; Pull bar is contained in the main shaft, and the rear end of pull bar is threaded with pull-rod nut, and is installed in butterfly spring group on the pull bar by the screw thread force compresses; The rear end of pull bar also is equipped with two semicircle spacers, and two semicircle spacers are formed anti-loose structure with lid, and lid is connected with pull-rod nut by screw; Claw is installed in the front end of pull bar, is used for promptly cutter.
As a further improvement on the present invention, in the gland inner space of the described side of covering swivel joint is installed, swivel joint can connect cooling water.
The present invention compared with prior art, advantage is:Structure of the present invention is ingenious rationally, and the high output torque that can compatible main shaft Milling Process and the high output speed demand of drilling processing can effectively satisfy parts and mill the demand of boring Compound Machining, obviously increase work efficiency the guarantee machining accuracy.The milling spindle form is adopted in the main shaft design of milling and drilling machine main transmission box of the present invention, and adopt jacket structure for water that main shaft is cooled off, main shaft temperature when reducing the main shaft Milling Process with this, the structure of center water-cooled has guaranteed that main shaft can use the hollow cutter, in drilling processing, particularly in the drilling of the deep hole processing, not only can reduce the temperature of cutter, simultaneously also can take the part iron filings out of, guarantee the carrying out of processing.
Description of drawings
Fig. 1 is a structure general assembly schematic diagram of the present invention.
Fig. 2 is a high and low shift gearshift structural representation of the present invention.
The specific embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in the figure: the present invention is mainly by pressurized cylinder 1, gland 2, pressurized cylinder seat 3, swivel joint 4, lid 5, pull bar 6, spacer 7, back outer nut 8, back inner nut 9, spacer 10, seal cover 11, pull-rod nut 12, spring bearing group 13, bearing cap 14, spacer 15, butterfly spring group 16, little output gear 17, flat key 18, big output gear 19, spacer 20, preceding outer nut 21, preceding inner nut 22, spacer 23, spacer 24, clutch shaft bearing group 25, water jacket 26, outer separator 27, inner spacing collar 28, second bearing group 29, outer ring spacer 30, cone spacer 31, claw 32, main shaft 33, blind flange 34, take out pad 35, lower bearing 36, small transmission gear 37, flat key 38, big travelling gear 39, take out pad 40, lower bearing 41, gear shaft 42, spacer ring 43, fork 44, bearing 45, pad 46, gland 47, upper bearing (metal) 48, casing 49, case lid 50, wavy spring circle 51, spacer ring 52, flat key 53, nut 54, power transmission shaft 55, upper bearing (metal) 56, gland 57, spindle motor 58, flat key 59, cover plate 60, high and low shift cylinder 61, support 62, the switch 63 of posting a letter, parts such as key 64 and stop washer 65 are formed.
As Fig. 1 and shown in Figure 2, milling and drilling machine main transmission box of the present invention comprises the seal chamber of being made up of casing 49 and case lid 50, and power shaft parts, power transmission shaft parts and output shaft assembly are installed in seal chamber; Described power shaft parts comprise gear shaft 42 and spindle motor 58, and gear shaft 42 is rotatably mounted in the seal chamber, and spindle motor 58 is installed on the seal chamber, and the output shaft of spindle motor 58 is connected with gear shaft 42; Described power transmission shaft parts comprise power transmission shaft 55, high and low shift gear train and gearshift driving mechanism, power transmission shaft 55 is installed in rotation in the seal chamber, the high and low shift gear train is slidedly assemblied on the power transmission shaft 55, and can drive slip on power transmission shaft 55 by the gearshift driving mechanism; The high and low shift gear train comprises small transmission gear 37 and big travelling gear 39, and big travelling gear 39 wherein is meshed with gear shaft 42 part that cogs in the power shaft parts all the time; Described output shaft assembly comprises that main shaft 33 and main shaft draw loose cutter, main shaft 33 is installed in rotation in the seal chamber, by flat key 18 big output gear 19 and little output gear 17 are installed on the main shaft 33, big output gear 19 wherein can mesh with the small transmission gear 37 in the power transmission shaft parts or throw off, and little output gear 17 wherein can mesh with the big travelling gear 39 in the power transmission shaft parts or throw off; Described main shaft 33 is a hollow structure inside, and main shaft draws loose cutter to be arranged in the main shaft 33, and main shaft draws loose cutter to be used for promptly cutter.
The assembling mode of described power shaft parts specifically as shown in Figure 1 and Figure 2, support in the bearing mounting hole that is installed on the casing 49 by lower bearing 41 described gear shaft 42 lower ends, be equipped with simultaneously in this bearing mounting hole and take out pad 40, use when being used to dismantle lower bearing 41; Support in the bearing mounting hole that is installed on the case lid 50 by upper bearing (metal) 48 described gear shaft 42 upper ends; Spindle motor 58 is by the positioning spigot location and installation on the case lid 50, and is fastenedly connected by screw and case lid 50, and the output shaft of spindle motor 58 is connected by flat key 53 with gear shaft 42.Because gear shaft 42 is directly to be connected with spindle motor 58, the rotating speed of this gear shaft 42 is the highest in all, caloric value also is the highest, if outer rim compresses installation in upper bearing (metal) 48 and the lower bearing 41 in assembling, then after gear shaft 42 heating distortion, very easily make upper bearing (metal) 48 and lower bearing 41 because of stressed excessive the damage, so the present invention installs wavy spring circle 51 successively on upper bearing (metal) 48, spacer ring 52 and last installing hole back-up ring, the upper bearing (metal) 48 that is deformed into by wavy spring circle 51 provides pretightning force, and is that gear shaft 42 leaves elongate space after the heating distortion.
The assembling mode of described power transmission shaft parts specifically as shown in Figure 1 and Figure 2, support in the bearing mounting hole that is installed on the casing 49 by lower bearing 36 described power transmission shaft 55 lower ends, be equipped with simultaneously in this bearing mounting hole and take out pad 35, use when being used to dismantle lower bearing 36; Support in the bearing mounting hole that is installed on the case lid 50 by upper bearing (metal) 56 described power transmission shaft 55 upper ends, gland 57 adopts interference fit with case lid 50, gland 57 and upper bearing (metal) 56 outer rim matched in clearance leave certain space and guarantee that power transmission shaft 55 has extendable room when expanded by heating.Described small transmission gear 37 is installed on the power transmission shaft 55 by flat key 59, big travelling gear 39 is connected with small transmission gear 37 by flat key 38, spacer ring 43, bearing 45 are installed successively and are filled up 46 on the big travelling gear 39, preventing that by nut 54 locking back installation stop washers 65 nut 54 is loosening; Described gearshift driving mechanism comprises shift fork 44 and high and low shift cylinder 61, the outer rim of described bearing 45 partly is installed in the fork 44, and installation gland 47 compresses, have cylinder axis installing hole and positioning spline on the fork 44, the cylinder axis of high and low shift cylinder 61 is installed in the cylinder axis installing hole, cylinder axis has positioning spline on also, and key 64 is connected by the cylinder axis of screw with high and low shift cylinder 61, and the fixing position of cylinder axis in fork 44; Design has fitting key 64 used openings on casing 49, after key 64 installations, cover plate 60 is installed.On the described high and low shift cylinder 61 support 62 is installed, the switch 63 of posting a letter that is used to detect and feed back high and low shift cylinder 61 states is installed on the support 62.
The assembling mode of described output shaft spindle unit specifically as shown in Figure 1 and Figure 2, described main shaft 33 front ends are installed on the casing 49 by the supporting of main shaft bearing group, the main shaft bearing group comprises spacer 24, clutch shaft bearing group 25, outer separator 27, inner spacing collar 28, second bearing group 29, outer ring spacer 30, cone spacer 31 and blind flange 34, clutch shaft bearing group 25 is installed in the position after main shaft 33 front ends lean on, spacer 24 is installed in clutch shaft bearing group 25 outsides, and spacer 24 is by preceding locking nut group locking and compress steel ring in the clutch shaft bearing group 25; The locking nut group mainly is made up of with preceding outer nut 21 preceding inner nut 22 before described, preceding inner nut 22 and preceding outer nut 21 are threaded on the main shaft 33 in turn, preceding inner nut 22 compresses spacer 24, preceding outer nut 21 is connected with preceding inner nut 22 by screw, leaves certain clearance between preceding inner nut 22 and the preceding outer nut 21; Preceding inner nut 22 is formed the nut anti-looseness structures with preceding outer nut 21, prevents that nut from taking place to become flexible when main shaft 33 rotates at a high speed.Outer separator 27, inner spacing collar 28 are arranged between the clutch shaft bearing group 25 and second bearing group 29, and compress the outer rim of the clutch shaft bearing group 25 and second bearing group 29, interior steel ring respectively; Second bearing group 29 is installed in main shaft 33 foremost position places; the labyrinth seal mechanism sealing of second bearing group, 29 outsides by forming by outer ring spacer 30 and cone spacer 31; this labyrinth seal mechanism with protection main shaft bearing group, finishes the installation of main shaft bearing group by blind flange 34 locking encapsulation.Described main shaft 33 rear ends are installed on the case lid 50 by 13 supportings of spring bearing group, in spring bearing group 13 outsides spacer 10 is installed, spacer 10 locks and compresses the interior steel ring of spring bearing group 13 by back locking nut group, described back locking nut group mainly is made up of back inner nut 9 and back outer nut 8, and its assembling mode is identical with preceding locking nut assembling prescription formula with effect.Seal cover 11 is installed outside spacer 10, and seal cover 11 is installed on the case lid 50 by screw; In spring bearing group 13 installed inside spacer 15 is arranged, spacer 15 1 ends compress the interior steel ring of spring bearing group 13, and spacer 15 other ends compress described little output gear 17, thereby finish the installation of spring bearing group 13.Be equipped with spacer 20 between described main shaft bearing group and the big output gear 19, in order to prevent that main spindle box oil from entering main shaft 33, described spacer 20 is provided with the ramp structure that is used to get rid of oil, be provided with the ramp structure that is used to get rid of oil on the described spacer 15 equally, can prevent that by rotating at a high speed main spindle box oil from entering main shaft 33 and flowing out in the time of in working order.
Described main shaft 33 front end integral installations are in water jacket 26, water jacket 26 is connected with casing 49 by screw, have thread groove as the cold oil path on water jacket 26 outer walls, initial and the final position of thread groove has all designed the cold oil pipeline on corresponding water jacket 26 outer walls on the casing 49, as the cold oil peripheral passage; Be furnished with spacer 23 in water jacket 26 rear ends, spacer 23 is close to clutch shaft bearing group 25 outer rims; Be furnished with and water jacket 26 flange connecting lid 34 at water jacket 26 front ends, blind flange 34 is close to outer ring spacer 30, is close to second bearing group, 29 outer rims simultaneously, thereby guarantees being connected of main shaft 33 and water jacket 26.
Described main shaft pine broaching tool mainly is made up of pressurized cylinder 1, gland 2, pressurized cylinder seat 3, lid 5, pull bar 6, semicircle spacer 7, butterfly spring group 16 and claw 32, pressurized cylinder seat 3 is connected on the case lid 50 by screw, pressurized cylinder 1 is installed on the pressurized cylinder seat 3, gland 2 is arranged in pressurized cylinder seat 3 inside, and is connected with pressurized cylinder 1 by screw; Pull bar 6 is contained in the main shaft 33, and the rear end of pull bar 6 is threaded with pull-rod nut 12, and is installed in butterfly spring group 16 on the pull bar 6 by the screw thread force compresses, and the restoring force behind butterfly spring group 16 pressurizeds mainly is used as broach force.The rear end of pull bar 6 also is equipped with the semicircle spacers 7 of 7, two of two semicircle spacers and forms anti-loose structures with lid 5, and guaranteeing the operate as normal of main shaft pine broaching tool, lid 5 is connected with pull-rod nut 12 by screw; Claw 32 is installed in the front end of pull bar 6, is used for promptly cutter.When needs are finished the action of loose cutter, gland 2 under the drive of pressurized cylinder 1, extreme direction motion to main shaft 33 before, and promote cover 5 before main shaft 33 extreme direction move, compress butterfly spring group 16 and claw 32 be pushed into conical surface part position on the main shaft 33; Finish broaching tool when action when needs, gland 2 breaks away from lid 5 under the drive of pressurized cylinder 1, and butterfly spring group 16 is returned to installment state, and claw 32 is pulled to the installation site with cutter simultaneously.
As shown in Figure 1, in gland 2 inner spaces of described lid 5 tops swivel joint 4 is installed also, swivel joint 4 can connect cooling water.Adding at main shaft 33 can provide cooling through the hollow cutter for processing by the hollow space on swivel joint 4, the pull bar 6 man-hour.
Concrete applicable cases of the present invention is as follows:
Under the low or first gear state, the cylinder axis of high and low shift cylinder 61 is in bottom, big travelling gear 39 in the high and low shift gear train and gear shaft 42 engagements, and small transmission gear 37 and big output gear 19 engagements, this moment, main shaft 33 was mainly used in Milling Process.When needs convert top gear to, under the drive of high and low shift cylinder 61, the cylinder axis end motion that makes progress, driving the high and low shift gear train slides on power transmission shaft 55, the final high range position that arrives, at this moment big travelling gear 39 still meshes with gear shaft 42, but big travelling gear 39 also meshes with little output gear 17 simultaneously, and small transmission gear 37 is thrown off with gear 19, and this moment, main shaft 33 was mainly used in drilling processing.
Claims (10)
1. the milling and drilling machine main spindle box comprises the seal chamber of being made up of casing (49) and case lid (50), and power shaft parts, power transmission shaft parts and output shaft assembly are installed in seal chamber, it is characterized in that:
Described power shaft parts comprise gear shaft (42) and spindle motor (58), and gear shaft (42) is installed in rotation in the seal chamber, and spindle motor (58) is installed on the seal chamber, and the output shaft of spindle motor (58) is connected with gear shaft (42);
Described power transmission shaft parts comprise power transmission shaft (55), high and low shift gear train and gearshift driving mechanism, power transmission shaft (55) is installed in rotation in the seal chamber, the high and low shift gear train is slidedly assemblied on the power transmission shaft (55), and can drive in upward slip of power transmission shaft (55) by the gearshift driving mechanism; The high and low shift gear train comprises small transmission gear (37) and big travelling gear (39), and big travelling gear (39) wherein is meshed with gear shaft (42) in the power shaft parts all the time;
Described output shaft assembly comprises that main shaft (33) and main shaft draw loose cutter, main shaft (33) is installed in rotation in the seal chamber, main shaft (33) is gone up and by flat key (18) big output gear (19) and little output gear (17) is installed, big output gear (19) wherein can mesh with the small transmission gear (37) in the power transmission shaft parts or throw off, and little output gear (17) wherein can mesh with the big travelling gear (39) in the power transmission shaft parts or throw off; Described main shaft (33) is a hollow structure inside, and main shaft draws loose cutter to be arranged in the main shaft (33), and main shaft draws loose cutter to be used for promptly cutter.
2. milling and drilling machine main spindle box as claimed in claim 1, it is characterized in that: described gear shaft (42) lower end is supported in the bearing mounting hole that is installed on the casing (49) by lower bearing (41), be equipped with simultaneously in this bearing mounting hole and take out pad (40), use when being used to dismantle lower bearing (41); Described gear shaft (42) upper end is supported in the bearing mounting hole that is installed on the case lid (50) by upper bearing (metal) (48); Spindle motor (58) passes through the positioning spigot location and installation on the case lid (50), and is fastenedly connected with case lid (50), and the output shaft of spindle motor (58) is connected by flat key (53) with gear shaft (42).
3. milling and drilling machine main spindle box as claimed in claim 2, it is characterized in that: wavy spring circle (51), spacer ring (52) and last installing hole back-up ring are installed on the described upper bearing (metal) (48) successively, the upper bearing (metal) (48) that is deformed into by wavy spring circle (51) provides pretightning force, and is that gear shaft (42) leaves elongate space after the heating distortion.
4. milling and drilling machine main spindle box as claimed in claim 1, it is characterized in that: described power transmission shaft (55) lower end is supported in the bearing mounting hole that is installed on the casing (49) by lower bearing (36), be equipped with simultaneously in this bearing mounting hole and take out pad (35), use when being used to dismantle lower bearing (36); Support by upper bearing (metal) (56) in the bearing mounting hole that is installed on the case lid (50) described power transmission shaft (55) upper end, and gland (57) adopts interference fit with case lid (50), gland (57) and upper bearing (metal) (56) outer rim matched in clearance; Described small transmission gear (37) is installed on the power transmission shaft (55) by flat key (59), big travelling gear (39) is connected with small transmission gear (37) by flat key (38), spacer ring (43), bearing (45) and pad (46) are installed on the big travelling gear (39) successively, are being prevented that by nut (54) locking back installation stop washer (65) nut (54) is loosening; Described gearshift driving mechanism comprises shift fork (44) and high and low shift cylinder (61), the outer rim of described bearing (45) partly is installed in the fork (44), and installation gland (47) compresses, fork has cylinder axis installing hole and positioning spline on (44), the cylinder axis of high and low shift cylinder (61) is installed in the cylinder axis installing hole, cylinder axis has positioning spline on also, key (64) is connected by the cylinder axis of screw with high and low shift cylinder (61), and the fixing position of cylinder axis in fork (44); Going up design at casing (49) has the used opening of fitting key (64), after key (64) installation, cover plate (60) is installed.
5. milling and drilling machine main spindle box as claimed in claim 4 is characterized in that: support (62) is installed on the described high and low shift cylinder (61), the switch of posting a letter (63) that is used for detecting and feeding back high and low shift cylinder (61) state is installed on the support (62).
6. milling and drilling machine main spindle box as claimed in claim 1, it is characterized in that: described main shaft (33) front end is installed on the casing (49) by the supporting of main shaft bearing group, the main shaft bearing group comprises first spacer (24), clutch shaft bearing group (25), outer separator (27), inner spacing collar (28), second bearing group (29), outer ring spacer (30), cone spacer (31) and blind flange (34), clutch shaft bearing group (25) is installed in the position after main shaft (33) front end leans on, first spacer (24) is installed in clutch shaft bearing group (25) outside, and first spacer (24) is by preceding locking nut group locking and compress the interior steel ring of clutch shaft bearing group (25); Outer separator (27), inner spacing collar (28) are arranged between clutch shaft bearing group (25) and second bearing group (29), and compress clutch shaft bearing group (25) and the outer rim of second bearing group (29), interior steel ring respectively; Second bearing group (29) is installed in main shaft (33) foremost position place, the labyrinth seal mechanism sealing of second bearing group (29) outside by forming by outer ring spacer (30) and cone spacer (31), this labyrinth seal mechanism is by blind flange (34) locking encapsulation; Described main shaft (33) rear end is installed on the case lid (50) by spring bearing group (13) supporting, in spring bearing group (13) outside second spacer (10) is installed, second spacer (10) locks and compresses the interior steel ring of spring bearing group (13) by back locking nut group, seal cover (11) is installed outside second spacer (10), and seal cover (11) is installed on the case lid (50) by screw; In spring bearing group (13) installed inside the 3rd spacer (15) is arranged, the 3rd spacer (15) one ends compress the interior steel ring of spring bearing group (13), and the 3rd spacer (15) other end compresses described little output gear (17); Be equipped with the 4th spacer (20) between described main shaft bearing group and the big output gear (19), the 4th spacer (20) is provided with the ramp structure that is used to get rid of oil, is provided with the ramp structure that is used to get rid of oil on described the 3rd spacer (15) equally.
7. milling and drilling machine main spindle box as claimed in claim 6, it is characterized in that: the locking nut group comprises preceding inner nut (22) and preceding outer nut (21) before described, preceding inner nut (22) and preceding outer nut (21) are threaded on the main shaft (33) in turn, preceding inner nut (22) compresses spacer (24), preceding outer nut (21) is connected with preceding inner nut (22) by screw, leaves certain clearance between preceding inner nut (22) and the preceding outer nut (21); Described back locking nut group comprises back inner nut (9) and back outer nut (8), and its assembling mode is identical with preceding locking nut assembling prescription formula.
8. milling and drilling machine main spindle box as claimed in claim 1, it is characterized in that: described main shaft (33) front end integral installation is in water jacket (26), water jacket (26) is connected with casing (49), have thread groove as the cold oil path on water jacket (26) outer wall, initial and the final position of going up thread groove on corresponding water jacket (26) outer wall at casing (49) has all designed the cold oil pipeline, as the cold oil peripheral passage; Be furnished with spacer (23) in water jacket (26) rear end, spacer (23) is close to clutch shaft bearing group (25) outer rim; Be furnished with and water jacket (26) flange connecting lid (34) at water jacket (26) front end, blind flange (34) is close to outer ring spacer (30), is close to second bearing group (29) outer rim simultaneously, thereby guarantees being connected of main shaft (33) and water jacket (26).
9. milling and drilling machine main spindle box as claimed in claim 1, it is characterized in that: described main shaft draws loose cutter to comprise pressurized cylinder (1), gland (2), pressurized cylinder seat (3), lid (5), pull bar (6), semicircle spacer (7), butterfly spring group (16) and claw (32), pressurized cylinder seat (3) is connected on the case lid (50) by screw, pressurized cylinder (1) is installed on the pressurized cylinder seat (3), gland (2) is arranged in pressurized cylinder seat (3) inside, and is connected with pressurized cylinder (1) by screw; Pull bar (6) is contained in the main shaft (33), and the rear end of pull bar (6) is threaded with pull-rod nut (12), and is installed in butterfly spring group (16) on the pull bar (6) by the screw thread force compresses; The rear end of pull bar (6) also is equipped with two semicircle spacers (7), and two semicircle spacers (7) are formed anti-loose structure with lid (5), and lid (5) is connected with pull-rod nut (12) by screw; Claw (32) is installed in the front end of pull bar (6), is used for promptly cutter.
10. milling and drilling machine main spindle box as claimed in claim 9 is characterized in that: in gland (2) inner space of described lid (5) top swivel joint (4) is installed, swivel joint (4) can connect cooling water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110273081 CN102328098B (en) | 2011-09-15 | 2011-09-15 | Main spindle box for milling and drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110273081 CN102328098B (en) | 2011-09-15 | 2011-09-15 | Main spindle box for milling and drilling machine |
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| CN102328098A CN102328098A (en) | 2012-01-25 |
| CN102328098B true CN102328098B (en) | 2013-07-31 |
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| CN 201110273081 Expired - Fee Related CN102328098B (en) | 2011-09-15 | 2011-09-15 | Main spindle box for milling and drilling machine |
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| CN102689220B (en) * | 2012-06-14 | 2015-02-11 | 江阴大地装备股份有限公司 | Boring and milling head |
| CN102773752A (en) * | 2012-08-14 | 2012-11-14 | 中传重型机床有限公司 | Vertical feeding device of numerical control vertical type lathe |
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| CN105014226B (en) * | 2015-06-23 | 2017-05-10 | 苏州安庆富电子科技有限公司 | Spindle box and friction welding machine with spindle box |
| CN108202153A (en) * | 2016-12-19 | 2018-06-26 | 海安常州大学高新技术研发中心 | A kind of boring machine cutter case system |
| CN107309446A (en) * | 2017-06-30 | 2017-11-03 | 广州市昊志机电股份有限公司 | A kind of main shaft pull bar mounting structure |
| CN107989965A (en) * | 2017-12-28 | 2018-05-04 | 常州汉隈数控技术有限公司 | Accessories mill-head gearbox |
| CN208467289U (en) * | 2018-06-12 | 2019-02-05 | 南通远大精密机械有限公司 | A kind of direct type main shaft structure |
| CN109604647A (en) * | 2018-12-25 | 2019-04-12 | 陕西科技大学 | Numerically-controlled machine tool transmission system |
| CN110315097A (en) * | 2019-07-31 | 2019-10-11 | 江西乔扬数控设备有限公司 | A kind of main shaft connection structure of CNC planer type milling machine |
| CN112512152B (en) * | 2020-12-02 | 2022-12-16 | 江西联创光电超导应用有限公司 | Mechanical transmission system and superconducting direct current induction heater |
| CN112809436A (en) * | 2021-01-22 | 2021-05-18 | 东莞市巨冈机械工业有限公司 | Horizontal main shaft unclamping structure |
| CN117381441B (en) * | 2023-11-28 | 2024-05-24 | 华嘉铝业有限公司 | Aluminum alloy profile machining all-in-one machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0354496A2 (en) * | 1988-08-08 | 1990-02-14 | MAHO Aktiengesellschaft | Working spindle for milling and boring machines |
| CN2229854Y (en) * | 1995-07-28 | 1996-06-26 | 宁夏吴中市台钻厂 | Frame of main shaft box of milling and drilling machine |
| CN201552441U (en) * | 2009-09-21 | 2010-08-18 | 陈军 | Numerical-control drilling and milling machine |
| CN201625787U (en) * | 2010-02-26 | 2010-11-10 | 湖北新三友数控机床有限公司 | Machine tool spindle box for tapping |
| CN201720503U (en) * | 2010-05-19 | 2011-01-26 | 安徽省海安机械制造有限公司 | Light-duty numerical control milling machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07214403A (en) * | 1994-01-28 | 1995-08-15 | Hitachi Seiki Co Ltd | Facing head |
| CN202291423U (en) * | 2011-09-15 | 2012-07-04 | 无锡桥联数控机床有限公司 | Spindle box of milling and drilling machine |
-
2011
- 2011-09-15 CN CN 201110273081 patent/CN102328098B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0354496A2 (en) * | 1988-08-08 | 1990-02-14 | MAHO Aktiengesellschaft | Working spindle for milling and boring machines |
| CN2229854Y (en) * | 1995-07-28 | 1996-06-26 | 宁夏吴中市台钻厂 | Frame of main shaft box of milling and drilling machine |
| CN201552441U (en) * | 2009-09-21 | 2010-08-18 | 陈军 | Numerical-control drilling and milling machine |
| CN201625787U (en) * | 2010-02-26 | 2010-11-10 | 湖北新三友数控机床有限公司 | Machine tool spindle box for tapping |
| CN201720503U (en) * | 2010-05-19 | 2011-01-26 | 安徽省海安机械制造有限公司 | Light-duty numerical control milling machine |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平7-214403A 1995.08.15 |
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| CN102328098A (en) | 2012-01-25 |
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