CN201693188U - Driving device for turning-milling worktable spindle - Google Patents
Driving device for turning-milling worktable spindle Download PDFInfo
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- CN201693188U CN201693188U CN2010201348692U CN201020134869U CN201693188U CN 201693188 U CN201693188 U CN 201693188U CN 2010201348692 U CN2010201348692 U CN 2010201348692U CN 201020134869 U CN201020134869 U CN 201020134869U CN 201693188 U CN201693188 U CN 201693188U
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Abstract
The utility model relates to a driving device for a turning-milling worktable spindle, which is used in numerical control systems, cooling systems and lubricating systems of large-sized vertical turning-milling centers. The driving device for a turning-milling worktable spindle is characterized by adopting two main motors of different specifications to drive a worktable spindle; the center of a base of a machine tool is fixedly provided with a worktable spindle kit; a turning double-speed reduction device is fixed at the left side of the base, and a milling backlash eliminating speed-reduction device is fixed at the right side of the base; the high power main motor of a milling speed reduction device is connected with a double-gear speed reduction machine and connected with a milling reduction box through screws; and the small power motor of the milling backlash eliminating speed-reduction device is connected with a reduction box through a bearing, both reduction boxes have the same inside structures, the synchronous control of both main motors is performed by the numerical control system to realize the functions of milling speed adjustment and C-shaft backlash elimination. The driving device for the turning-milling worktable spindle not only can reduce the requirements for motors but also can improve the dislocation precision of the machine C-shaft, and can realize the C-shaft positioning precision of plus or minus 5', the repeated positioning precision of plus or minus 2.5' and the reverse deviation of 3'.
Description
Technical field
The present invention relates to the plant equipment manufacturing, a kind of workbench main shaft device of two different size master motor-driven that is used for the large-scale vertical turning milling center.
Background technology
Driving present stage of vertical turning milling center workbench main shaft mainly contains two kinds of structures; A kind of is the rotation of adopting a workbench main shaft of a motor-driven, and single electromechanics backlash eliminating equipment is adopted in the transposition of C axle; Another kind is workbench rotation of two main motor-driven of same specification of adopting the identical deceleration device of two covers, and the transposition of C axle adopts that bi-motor is electric to give tight backlash eliminating equipment.
Two kinds of drive units cut both ways now.First kind of device be owing to adopt the machinery crack that disappears, and motor required lower, but mechanical wear will reduce the transposition precision of lathe C axle greatly.Second kind of device adopted the electric tight backlash eliminating equipment of bi-motor, offset the error that mechanical wear is brought, improved the transposition precision of lathe C axle, but owing to need to adopt identical surely than deceleration device, so motor is required need select high-power wideband buncher for use than higher.
Summary of the invention
The drive unit that the purpose of this invention is to provide a kind of turnning and milling workbench main shaft can reduce the motor requirement, can improve lathe C axle transposition precision again.
The drive unit of turnning and milling workbench main shaft, use numerical control, cooling, the lubricating system of large-scale vertical turning milling center, it is characterized in that adopting workbench main shaft of two different size master motor-driven, in lathe base center fixation workbench main shaft external member, at the fixing turning dual-ratio reduction device of chassis left side, the fixing milling crack deceleration device that disappears on the base right side, the high-power main motor of turning deceleration device connects two grades of reductors, and connects the turning reduction box by screw; The disappear low-power machine of crack deceleration device of milling links to each other with reduction box by bearing, and the structure in two reduction boxes is identical, implements the Synchronization Control of two main motors by digital control system, realizes turning speed-regulating function and the C axle crack function that disappears.
Distinguishing feature:
1, adopts workbench main shaft device of two different size master motor-driven.
2, turning dual-ratio reduction device adopts reductor and a gear reduction box of one two retaining of high-power AC main drive motor connection speed change to rotate by gear drive workbench main shaft external member, realizes high rotating speed simultaneously, the characteristics that high pulling torque drives.
3, disappear crack deceleration device of milling adopts a small-power AC main drive motor to connect a gear reduction box to apply reverse pretightning force by gear mesh workbench main shaft external member, realizes the high rigidity of C axle and accurate location.
4, drive the workbench main shaft external member by turning dual-ratio reduction device during turning, the milling crack deceleration device that disappears does not participate in driving.
5, drive the workbench main shaft external member by the high speed reducing ratio gear of turning dual-ratio reduction device during milling, the milling crack deceleration device that disappears applies reverse pretightning force to the workbench main shaft external member, realizes the C s function.Can realize C axle positioning accuracy ± 5 ", repetitive positioning accuracy ± 2.5 ", reverse deviation 3 ".In sum, the drive unit of turnning and milling workbench main shaft of the present invention has promptly possessed mechanical backlash eliminating equipment AC master's motor has been required lower advantage, has possessed the advantage that C axle rigidity and precision are improved in the electric crack that disappears again.
Description of drawings
Fig. 1 is the drive arrangement figure of turnning and milling workbench main shaft;
Fig. 2 is a workbench main shaft external member structure;
Fig. 3 is a turning dual-ratio reduction structure drawing of device;
Fig. 4 is the milling crack deceleration device structure chart that disappears;
When being turning, Fig. 5 drives schematic diagram;
When being milling, Fig. 6 drives schematic diagram;
The specific embodiment
The drive unit of turnning and milling workbench main shaft, use numerical control, cooling, the lubricating system of large-scale vertical turning milling center, it is characterized in that adopting workbench main shaft external member 1 of two different size master motor-driven, see Fig. 1, workbench main shaft external member 1 usefulness screw close the center that is fixed on lathe base 4, turning dual-ratio reduction device 2 usefulness screws are fixed on lathe base 4 left sides closing, the milling crack deceleration device 3 usefulness screws handle that disappears closes and is fixed on lathe base 4 right sides.
Turnning and milling workbench main shaft external member 1 is seen shown in Figure 2ly, it is characterized in that by screw cylindrical spindle 8 being fixed in the lathe base 4 in the heart, realizes that workbench main shaft external member 1 is connected with the firm of lathe base 4; Thrust ball bearing with flat seat 7 places between circular table 6 and the lathe base 4, forms pivoting support rolling guide structure; Realize the centering function of workbench 6 and main shaft 8 by angular contact ball bearing 10; By screw steel alloy gear ring 5 is fixed on the workbench 6 periphery lower edges at last.
Turning dual-ratio reduction device, see shown in Figure 3, be connected on lathe base 4 left sides by screw and key 11, it is characterized in that adopting the high-power AC main drive motor 28 more than the 37KW, connect one two retaining reductor 27 by key and screw, two retaining reductors are divided into low speed reducing ratio retaining and high speed reducing ratio retaining, keep off reductors 27 being incorporated into electric machine support 26 upper ends by screw with two, by screw electric machine support 26 are put together on the turning deceleration box 12; Two retaining reductors 27 are connected with gear shaft 24 by key, by bearing gear shaft 24 is installed in turning deceleration box 12 respective aperture, by screw gland 25 is installed on the turning deceleration box 12 again, bearing is compressed, define the position of gear shaft 24 in turning deceleration box 12; Gear 22 23 is connected with axle by bearing, and spools 23 are fixed on the turning deceleration box 12 by screw, define the position of gear 22 in turning deceleration box 12; Gear 18 links together by the involute spline and the gear shaft 20 of endoporus, be connected between upper end cover 21 and the bottom end cover 19 by two bearings up and down again, upper end cover 21 and bottom end cover 19 all are fixed on the turning deceleration box 12 by screw, define gear 18 and the position of gear shaft 20 in turning deceleration box 12; By spacer 15, spacer 13 and bearing gear 14 is connected together with axle 16, axle 16 and turning deceleration box 12 are fixed together by screw by fixed block 17 again, define the position of gear 14 in turning deceleration box 12.When needs workbench main shaft external member 1 high-speed turning rotated, two retaining reductors 27 were in low speed reducing ratio gear, thereby realized workbench main shaft external member 1 rotation at a high speed, to reach the High-speed machining requirement.When needs workbench external member 1 high pulling torque output turning rotation, two retaining reductors 27 are in high speed reducing ratio gear, thereby realize workbench main shaft external member 1 high pulling torque output rotation, to reach the heavy cut processing request.The lubricated all cooling systems by the large-scale vertical turning milling center of dual-speed planet speed reducer internal lubrication and gear-box internal gear provide outside powerful thin oil cooling and lubricating, guarantee that promptly the engagement between gear is lubricated, have also controlled the whole temperature rise in the casing.
The milling crack deceleration device that disappears, see shown in Figure 3, be connected on the lathe base 4 by screw and key 11, it is characterized in that adopting the following small-power AC main drive motor 31 of a 37KW to connect on the electric machine support 30, electric machine support 30 is put together on the milling deceleration box 29 by screw by screw; Motor 31 is connected with gear shaft 43 by key, by bearing gear shaft 43 is installed in milling deceleration box 29 respective aperture, by screw gland 44 is installed on the milling deceleration box 29 again, bearing is compressed, define the position of gear shaft 43 in milling deceleration box 29; Gear 41 42 is connected with axle by bearing, and spools 42 are fixed on the milling deceleration box 29 by screw, define the position of gear 41 in milling deceleration box 29; Gear 37 links together by the involute spline and the gear shaft 39 of endoporus, be connected between upper end cover 40 and the bottom end cover 38 by two bearings up and down again, upper end cover 40 and bottom end cover 38 all are fixed on the milling deceleration box 29 by screw, define gear 37 and the position of gear shaft 39 in milling deceleration box 29; By spacer 34, spacer 32 and bearing gear 33 is connected together with axle 35, axle 35 and milling deceleration box 29 are fixed together by screw by fixed block 36 again, define the position of gear 34 in milling deceleration box 29.Gear in milling slowing-down structure and the turning dual-ratio reduction device, axle etc. are that identical standard component, structural relation is identical.Drive workbench external member 1 and apply reverse pretightning force by disappear crack deceleration device of milling, realize the high rigid rotating of C axle and accurate location.
The design's drive unit utilizes the digital control system of large-scale vertical turning milling center, has imported the driver of bi-motor before the operation.During turning, see Fig. 5, drive workbench main shaft external members 1 by turning dual-ratio reduction device 2, the milling this moment crack deceleration device 3 middle low power AC main drive motors 31 that disappear are in off-position, do not participate in driving.Turning dual-ratio reduction device 2 is as the main driving machine structure of workbench main shaft external member 1.Owing to only adopted high-power AC master's motor 28 to drive workbench main shaft external member 1 during turning, therefore can reduce requirement to motor, realize the dual-ratio reduction function, satisfy the requirement of high pulling torque and high rotating speed cutting.
During milling, see Fig. 6, drive workbench main shaft external members 1 by the high speed reducing ratio gears of turning dual-ratio reduction device 2, the milling crack deceleration device 3 workbench main shaft external members 1 that disappear apply reverse pretightning force, realize high rigid rotating of C axle and accurate positioning function.Turning dual-ratio reduction device 2 is as the main external member that drives of workbench main shaft external member 1, and milling disappears 3 in crack deceleration device as the workbench main shaft external member 1 crack external member that oppositely disappears.Because adopt high-power AC master's motor 28 conduct masters to drive during milling, another small-power AC master motor 31 is realized the electric crack C s function that disappears as disappearing the crack pretension, make that therefore the C axle can high rigid rotating and the accurate location of realization.
During turning, main motor drives the rotation that gear ring is realized the workbench main shaft external member by reductor and a gear reduction box of one two retaining speed change.During milling, two machine operation are in electric preload operator scheme, realize the C axle crack that disappears by electrical control, and control C axle pretightning force has improved C axle rigidity and precision.
Claims (6)
1. the drive unit of turnning and milling workbench main shaft, use numerical control, cooling, the lubricating system of large-scale vertical turning milling center, it is characterized in that being connected on lathe base (4) left side by screw and key (11) at lathe base (4) center fixation workbench main shaft external member (1), turning dual-ratio reduction device (2), the fixing milling crack deceleration device that disappears on lathe base (4) right side, drive two main rating of machine differences of workbench main shaft, the high-power main motor of turning dual-ratio reduction device (2) connects two grades of reductors, and connects the turning reduction box by screw; Disappear small-power master's motor of crack deceleration device (3) of milling links to each other with reduction box by bearing, and the structure in two reduction boxes is identical, implements the Synchronization Control of two main motors by digital control system, realizes turning speed-regulating function and the C axle crack function that disappears.
2. the drive unit of turnning and milling workbench main shaft according to claim 1, it is characterized in that workbench main shaft external member (1): cylindrical spindle (8) is fixed in the lathe base (4) in the heart by screw, between circular table (6) and lathe base (4), thrust ball bearing with flat seat (7) is arranged, form pivoting support rolling guide structure; By angular contact ball bearing (10) that workbench (6) and main shaft (8) is concentric fixing; By screw steel alloy gear ring (5) is fixed on workbench (6) the periphery lower edge.
3. the drive unit of turnning and milling workbench main shaft according to claim 1, the main drive motor (28) that it is characterized in that turning dual-ratio reduction device connects one two retaining reductor (27) by key and screw, will settle the electric machine support (26) of two retaining reductors (27) to put together on the turning deceleration box (12) by screw; Two retaining reductors (27) are connected with gear shaft (24) by key, by bearing gear shaft (24) are installed in turning deceleration box (12) respective aperture, and gland (25) is installed on the turning deceleration box (12) by screw; Gear (22) is connected with axle (23) by bearing, and axle (23) is fixed on the turning deceleration box (12) by screw; Gear (18) links together by the involute spline and the gear shaft (20) of endoporus, be connected between upper end cover (21) and the bottom end cover (19) by two bearings up and down, upper end cover (21) and bottom end cover (19) all are fixed on the turning deceleration box (12) by screw again; By spacer (15), spacer (13) and bearing gear (14) is connected together with axle (16), axle (16) and turning deceleration box (12) are fixed together by screw by fixed block (17) again.
4. require the drive unit of described turnning and milling workbench main shaft according to right 1, it is characterized in that the milling crack deceleration device that disappears: by screw fixedly the electric machine support (30) of main drive motor (31) put together on the milling deceleration box (29); Main drive motor (31) is connected with gear shaft (43) by key, by bearing gear shaft (43) is installed in milling deceleration box (29) respective aperture, by screw gland (44) is installed on the milling deceleration box (29) again; Gear (41) is connected with axle (42) by bearing, and axle (42) is fixed on the milling deceleration box (29) by screw; Gear (37) links together by the involute spline and the gear shaft (39) of endoporus, be connected between upper end cover (40) and the bottom end cover (38) by upper and lower two bearings, upper end cover (40) and bottom end cover (38) all are fixed on the milling deceleration box (29) by screw again; By spacer (34), spacer (32) and bearing gear (33) is connected together with axle (35), axle (35) and milling deceleration box (29) are fixed together by screw by fixed block (36) again.
5. the drive unit of turnning and milling workbench main shaft according to claim 1 is characterized in that adopting the above high-power AC main drive motor (28) of a 37KW to connect one two retaining reductor (27) by key and screw.
6. require the drive unit of described turnning and milling workbench main shaft according to right 1, it is characterized in that disappear crack deceleration device of milling adopts the following small-power AC main drive motor (31) of a 37KW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201348692U CN201693188U (en) | 2010-03-19 | 2010-03-19 | Driving device for turning-milling worktable spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201348692U CN201693188U (en) | 2010-03-19 | 2010-03-19 | Driving device for turning-milling worktable spindle |
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| Publication Number | Publication Date |
|---|---|
| CN201693188U true CN201693188U (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201348692U Expired - Fee Related CN201693188U (en) | 2010-03-19 | 2010-03-19 | Driving device for turning-milling worktable spindle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248432A (en) * | 2011-06-20 | 2011-11-23 | 沈机集团昆明机床股份有限公司 | Device for eliminating gear transmission gap of rotating table in dual motor drive manner |
| CN102601663A (en) * | 2012-03-30 | 2012-07-25 | 无锡华联精工机械有限公司 | Driving mechanism of edge milling machine |
| CN103286570A (en) * | 2013-05-07 | 2013-09-11 | 青岛大成机床有限公司 | Working table of large-scale vertical high-speed numerically-controlled lathe |
| CN103331457A (en) * | 2013-05-07 | 2013-10-02 | 青岛大成机床有限公司 | Large vertical high-speed numerically controlled lathe |
| CN105414974A (en) * | 2015-12-30 | 2016-03-23 | 武汉赛特曼机电技术发展有限公司 | Turn-milling machine tool |
-
2010
- 2010-03-19 CN CN2010201348692U patent/CN201693188U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248432A (en) * | 2011-06-20 | 2011-11-23 | 沈机集团昆明机床股份有限公司 | Device for eliminating gear transmission gap of rotating table in dual motor drive manner |
| CN102601663A (en) * | 2012-03-30 | 2012-07-25 | 无锡华联精工机械有限公司 | Driving mechanism of edge milling machine |
| CN103286570A (en) * | 2013-05-07 | 2013-09-11 | 青岛大成机床有限公司 | Working table of large-scale vertical high-speed numerically-controlled lathe |
| CN103331457A (en) * | 2013-05-07 | 2013-10-02 | 青岛大成机床有限公司 | Large vertical high-speed numerically controlled lathe |
| CN105414974A (en) * | 2015-12-30 | 2016-03-23 | 武汉赛特曼机电技术发展有限公司 | Turn-milling machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20130319 |