CN102328098A - Main spindle box for milling and drilling machine - Google Patents
Main spindle box for milling and drilling machine Download PDFInfo
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- CN102328098A CN102328098A CN201110273081A CN201110273081A CN102328098A CN 102328098 A CN102328098 A CN 102328098A CN 201110273081 A CN201110273081 A CN 201110273081A CN 201110273081 A CN201110273081 A CN 201110273081A CN 102328098 A CN102328098 A CN 102328098A
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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 increasingly high, 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; Production and processing operation through needing before the process equipment completion could accomplish through two or more machining tool can improve working (machining) efficiency greatly.
The Milling Process of lathe mainly is the output torque that relies on main shaft; And the rotating speed to main shaft is had relatively high expectations in the Drilling Operations; 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 Operations simultaneously.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists 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, and the high output torque and the high output speed demand of Drilling Operations that can compatible main shaft Milling Process can effectively satisfy the demand that parts mill the brill 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: said power shaft parts comprise gear shaft and spindle motor, and 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; Said 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 on power transmission shaft, slide through the drive of gearshift driving mechanism; The high and low shift gear train comprises small transmission gear and big travelling gear, big travelling gear wherein all the time with the power shaft parts in gear shaft be meshed; Said output shaft assembly comprises that main shaft and main shaft draw loose cutter; Main shaft is installed in rotation in the seal chamber; Through 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; Said 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 further improvement of the present invention, said gear shaft lower end is installed in the bearing mounting hole on the casing through the lower bearing supporting, is equipped with simultaneously in this bearing mounting hole and takes out pad, uses when being used to dismantle lower bearing; Said gear shaft upper end is installed in the bearing mounting hole on the case lid through the upper bearing (metal) supporting; Spindle motor passes through 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 through flat key with gear shaft.
As further improvement of the present invention, wavy spring circle, spacer ring are installed successively on the said upper bearing (metal) and last installing hole use back-up ring, the upper bearing (metal) that is deformed into through the wavy spring circle provides pretightning force, and after heating is out of shape, leaves elongate space for gear shaft.
As further improvement of the present invention, said power transmission shaft lower end is installed in the bearing mounting hole on the casing through the lower bearing supporting, is equipped with simultaneously in this bearing mounting hole and takes out pad, uses when being used to dismantle lower bearing; Said power transmission shaft upper end is installed in the bearing mounting hole on the case lid through the upper bearing (metal) supporting, and gland and case lid adopt interference fit, gland and upper bearing (metal) outer rim matched in clearance; Said small transmission gear is installed on the power transmission shaft through flat key, and big travelling gear is connected with small transmission gear through flat key, on the travelling gear spacer ring, bearing and pad is installed successively greatly, and the installation stop washer prevents nut loosening after through nut check; Said gearshift driving mechanism comprises shift fork and high and low shift cylinder; The outer rim of said bearing partly is installed in the fork, and gland is installed is compressed, and has 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 with the cylinder axis of high and low shift cylinder through screw, and the fixing position of cylinder axis in fork; On casing, be designed with the used opening of fitting key, after the key installation, cover plate be installed.
As further improvement of the present invention, on the said 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 further improvement of the present invention; Said front-end of spindle is installed on the casing through 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 through 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 through forming by outer ring spacer and cone spacer, and this labyrinth seal mechanism is through blind flange locking encapsulation; Said rear-end of spindle is installed on the case lid through the supporting of spring bearing group; In the spring bearing group outside spacer is installed; Spacer is through 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 through 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 said 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 said spacer equally.
As further improvement of the present invention; Inner nut and preceding outer nut before the locking nut group comprises before said; Preceding inner nut and preceding outer nut are threaded on the main shaft in order; Preceding inner nut compresses spacer, and preceding outer nut is connected with preceding inner nut through screw, leaves certain clearance between preceding inner nut and the preceding outer nut; Said back locking nut group comprises back inner nut and back outer nut, and its fit is identical with preceding locking nut assembling prescription formula.
As further improvement of the present invention; Said 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, the initial and final position of thread groove all is designed with 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 further improvement of the present invention; Said 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 through screw; Pressurized cylinder is installed on the pressurized cylinder seat, and it is inner that gland is arranged in the pressurized cylinder seat, and is connected with pressurized cylinder through 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 the butterfly spring group on the pull bar through 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 through screw; Claw is installed in the front end of pull bar, is used for promptly cutter.
As further improvement of the present invention, in the gland inner space of the said 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 and the high output speed demand of Drilling Operations that can compatible main shaft Milling Process 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 adopts jacket structure for water main shaft to be cooled off the 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 Operations, particularly in the Drilling Operations of deep hole, 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 sketch map of the present invention.
Fig. 2 is a high and low shift gearshift structural representation of the present invention.
The specific embodiment
Below in conjunction with concrete accompanying drawing and embodiment the present invention is described further.
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; Key 64 is formed with stop washer 65 parts such as grade.
Like 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; Said 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; Said 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 through the gearshift driving mechanism; The high and low shift gear train comprises small transmission gear 37 and big travelling gear 39, big travelling gear 39 wherein all the time with the power shaft parts in gear shaft 42 part that cogs be meshed; Said 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; Through 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; Said 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 fit of said power shaft parts is concrete like Fig. 1, shown in Figure 2; Said gear shaft 42 lower ends are installed in the bearing mounting hole on the casing 49 through lower bearing 41 supportings; Be equipped with simultaneously in this bearing mounting hole and take out pad 40, use when being used to dismantle lower bearing 41; Said gear shaft 42 upper ends are installed in the bearing mounting hole on the case lid 50 through upper bearing (metal) 48 supportings; Spindle motor 58 is through the positioning spigot location and installation on the case lid 50, and is fastenedly connected through screw and case lid 50, and the output shaft of spindle motor 58 is connected through 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 in assembling in upper bearing (metal) 48 and the lower bearing 41 outer rim compress installation, then after gear shaft 42 heatings are out of shape; 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, spacer ring 52 successively on upper bearing (metal) 48 and last installing holes use back-up ring, the upper bearing (metal) 48 that is deformed into through wavy spring circle 51 provides pretightning force, and after heating is out of shape, leaves elongate space for gear shaft 42.
The fit of said power transmission shaft parts is concrete like Fig. 1, shown in Figure 2; Said power transmission shaft 55 lower ends are installed in the bearing mounting hole on the casing 49 through lower bearing 36 supportings; Be equipped with simultaneously in this bearing mounting hole and take out pad 35, use when being used to dismantle lower bearing 36; Said power transmission shaft 55 upper ends are installed in the bearing mounting hole on the case lid 50 through upper bearing (metal) 56 supportings; 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.Said small transmission gear 37 is installed on the power transmission shaft 55 through flat key 59; Big travelling gear 39 is connected with small transmission gear 37 through flat key 38; Spacer ring 43, bearing 45 are installed successively and are filled up 46 on the big travelling gear 39, preventing that through nut 54 locking back installation stop washers 65 nut 54 is loosening; Said gearshift driving mechanism comprises shift fork 44 and high and low shift cylinder 61; The outer rim of said bearing 45 partly is installed in the fork 44, and gland 47 is installed is compressed, and has 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 with the cylinder axis of high and low shift cylinder 61 through screw, and the fixing position of cylinder axis in fork 44; On casing 49, be designed with fitting key 64 used openings, after key 64 installations, cover plate 60 be installed.On the said 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 fit of said output shaft spindle unit is concrete like Fig. 1, shown in Figure 2; Said main shaft 33 front ends are installed on the casing 49 through 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 through 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 said; Preceding inner nut 22 is threaded on the main shaft 33 with preceding outer nut 21 in order; Preceding inner nut 22 compresses spacer 24; Preceding outer nut 21 is connected with preceding inner nut 22 through 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 through forming by outer ring spacer 30 and cone spacer 31; This labyrinth seal mechanism with protection main shaft bearing group, accomplishes the installation of main shaft bearing group through blind flange 34 locking encapsulation.Said main shaft 33 rear ends are installed on the case lid 50 through 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 through back locking nut group; Said back locking nut group mainly is made up of back inner nut 9 and back outer nut 8, and its fit 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 through 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 accomplish the installation of spring bearing group 13.Be equipped with spacer 20 between said main shaft bearing group and the big output gear 19; In order to prevent that main spindle box oil from getting into main shaft 33; Said 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 said spacer 15 equally, can prevent that through rotating at a high speed main spindle box oil from getting into main shaft 33 and flowing out in the time of in working order.
Said main shaft 33 front end integral installations are in water jacket 26; Water jacket 26 is connected with casing 49 through screw; Have thread groove as the cold oil path on water jacket 26 outer walls; Initial and the final position of thread groove all is designed with 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.
Said 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 through 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 through 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 the butterfly spring group 16 on the pull bar 6 through 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 7, two semicircle spacers 7 of two semicircle spacers and forms anti-loose structure with lid 5, and to guarantee the operate as normal of main shaft pine broaching tool, lid 5 is connected with pull-rod nut 12 through screw; Claw 32 is installed in the front end of pull bar 6, is used for promptly cutter.When needs are accomplished 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 the conical surface part position on the main shaft 33; When needs were accomplished the broaching tool action, gland 2 broke away from lid 5 under the drive of pressurized cylinder 1, and butterfly spring group 16 is returned to installment state, and while claw 32 is pulled to the installation site with cutter.
As shown in Figure 1, in gland 2 inner spaces of said lid 5 tops swivel joint 4 is installed also, swivel joint 4 can connect cooling water.Adding man-hour at main shaft 33 can be that processing provide cooling through the hollow cutter through the hollow space on swivel joint 4, the pull bar 6.
Concrete applicable cases of the present invention is following:
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 Operations.
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:
Said 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);
Said 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) through the gearshift driving mechanism; The high and low shift gear train comprises small transmission gear (37) and big travelling gear (39), big travelling gear (39) wherein all the time with the power shaft parts in gear shaft (42) be meshed;
Said 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 through 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; Said 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: said gear shaft (42) lower end is installed in the bearing mounting hole on the casing (49) through lower bearing (41) supporting; Be equipped with simultaneously in this bearing mounting hole and take out pad (40), use when being used to dismantle lower bearing (41); Said gear shaft (42) upper end is installed in the bearing mounting hole on the case lid (50) through upper bearing (metal) (48) supporting; 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 through 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 are installed on the said upper bearing (metal) (48) successively use back-up ring; The upper bearing (metal) (48) that is deformed into through 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: said power transmission shaft (55) lower end is installed in the bearing mounting hole on the casing (49) through lower bearing (36) supporting; Be equipped with simultaneously in this bearing mounting hole and take out pad (35), use when being used to dismantle lower bearing (36); Said power transmission shaft (55) upper end is installed in the bearing mounting hole on the case lid (50) through upper bearing (metal) (56) supporting, and gland (57) adopts interference fit with case lid (50), gland (57) and upper bearing (metal) (56) outer rim matched in clearance; Said small transmission gear (37) is installed on the power transmission shaft (55) through flat key (59); Big travelling gear (39) is connected with small transmission gear (37) through flat key (38); Spacer ring (43), bearing (45) and pad (46) are installed on the big travelling gear (39) successively, are being prevented that through nut (54) locking back installation stop washer (65) nut (54) is loosening; Said gearshift driving mechanism comprises shift fork (44) and high and low shift cylinder (61); The outer rim of said 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), and the cylinder axis of high and low shift cylinder (61) is installed in the cylinder axis installing hole, and cylinder axis has positioning spline on also; Key (64) is connected with the cylinder axis of high and low shift cylinder (61) through screw, and the fixing position of cylinder axis in fork (44); On casing (49), be designed with the used opening of fitting key (64), after key (64) installation, cover plate (60) be installed.
5. milling and drilling machine main spindle box as claimed in claim 4 is characterized in that: support (62) is installed on the said 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: said main shaft (33) front end is installed on the casing (49) through 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 end leans on; Spacer (24) is installed in clutch shaft bearing group (25) outside, and spacer (24) is through 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 through forming by outer ring spacer (30) and cone spacer (31), this labyrinth seal mechanism is through blind flange (34) locking encapsulation; Said main shaft (33) rear end is installed on the case lid (50) through spring bearing group (13) supporting; In spring bearing group (13) outside spacer (10) is installed; Spacer (10) locks and compresses the interior steel ring of spring bearing group (13) through back locking nut group; Seal cover (11) is installed outside spacer (10), and seal cover (11) is installed on the case lid (50) through screw; In spring bearing group (13) installed inside spacer (16) is arranged, spacer (16) one ends compress the interior steel ring of spring bearing group (13), and spacer (16) other end compresses described little output gear (17); Be equipped with spacer (20) between said main shaft bearing group and the big output gear (19), 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 the said spacer (16) 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 said; Preceding inner nut (22) and preceding outer nut (21) are threaded on the main shaft (33) in order; Preceding inner nut (22) compresses spacer (24), and preceding outer nut (21) is connected with preceding inner nut (22) through screw, leaves certain clearance between preceding inner nut (22) and the preceding outer nut (21); Said back locking nut group comprises back inner nut (9) and back outer nut (8), and its fit 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: said 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, the initial and final position of going up thread groove on corresponding water jacket (26) outer wall at casing (49) all is designed with the cold oil pipeline, as the cold oil peripheral passage; Be furnished with spacer (25) in water jacket (26) rear end, spacer (25) 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: said main shaft pine broaching tool comprises 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) through 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) through 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 the butterfly spring group (16) on the pull bar (6) through 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) through 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 said 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 |
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| CN 201110273081 CN102328098B (en) | 2011-09-15 | 2011-09-15 | Main spindle box for milling and drilling machine |
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| CN102328098A true CN102328098A (en) | 2012-01-25 |
| CN102328098B CN102328098B (en) | 2013-07-31 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689220A (en) * | 2012-06-14 | 2012-09-26 | 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 |
| CN105014226A (en) * | 2015-06-23 | 2015-11-04 | 苏州安庆富电子科技有限公司 | Spindle box and friction welding machine with spindle box |
| CN105618793A (en) * | 2014-11-04 | 2016-06-01 | 上海宏功机械科技有限公司 | Two-spindle system applied to horizontal machining center |
| 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 |
| 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 |
| 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 |
| WO2019237469A1 (en) * | 2018-06-12 | 2019-12-19 | 南通远大精密机械有限公司 | Direct-connecting spindle structure |
| CN112512152A (en) * | 2020-12-02 | 2021-03-16 | 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 |
| CN117381441A (en) * | 2023-11-28 | 2024-01-12 | 华嘉铝业有限公司 | Aluminum alloy profile machining all-in-one machine |
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| 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 |
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| EP0354496A2 (en) * | 1988-08-08 | 1990-02-14 | MAHO Aktiengesellschaft | Working spindle for milling and boring machines |
| JPH07214403A (en) * | 1994-01-28 | 1995-08-15 | Hitachi Seiki Co Ltd | Facing head |
| 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 |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689220A (en) * | 2012-06-14 | 2012-09-26 | 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 |
| CN105618793A (en) * | 2014-11-04 | 2016-06-01 | 上海宏功机械科技有限公司 | Two-spindle system applied to horizontal machining center |
| CN105618793B (en) * | 2014-11-04 | 2017-12-08 | 上海宏功机械科技有限公司 | A kind of double axis systems applied to horizontal Machining centers |
| CN105014226A (en) * | 2015-06-23 | 2015-11-04 | 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 |
| WO2019237469A1 (en) * | 2018-06-12 | 2019-12-19 | 南通远大精密机械有限公司 | Direct-connecting spindle 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 |
| CN112512152A (en) * | 2020-12-02 | 2021-03-16 | 江西联创光电超导应用有限公司 | Mechanical transmission system and superconducting direct current induction heater |
| 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 |
| CN117381441A (en) * | 2023-11-28 | 2024-01-12 | 华嘉铝业有限公司 | Aluminum alloy profile machining all-in-one machine |
| CN117381441B (en) * | 2023-11-28 | 2024-05-24 | 华嘉铝业有限公司 | Aluminum alloy profile machining all-in-one machine |
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| CN102328098B (en) | 2013-07-31 |
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