CN102962713A - Transmission mechanism for high-torque stepless speed regulating milling spindle box - Google Patents
Transmission mechanism for high-torque stepless speed regulating milling spindle box Download PDFInfo
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- CN102962713A CN102962713A CN2012104930689A CN201210493068A CN102962713A CN 102962713 A CN102962713 A CN 102962713A CN 2012104930689 A CN2012104930689 A CN 2012104930689A CN 201210493068 A CN201210493068 A CN 201210493068A CN 102962713 A CN102962713 A CN 102962713A
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- gearshift
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- milling spindle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention provides a transmission mechanism for a high-torque stepless speed regulating milling spindle box, which comprises a drive motor arranged on the spindle box and a milling spindle arranged in the spindle box, wherein the spindle box is internally provided with a gear change device connecting an output shaft of the drive motor with the milling spindle; the drive motor is a frequency conversion motor of which the frequency conversion and speed regulation are conducted by a frequency converter; and the gear change device comprises multistage gear transmission pairs that are arranged on different transmission shafts and can realize high gear and low gear rotation speed output. According to the transmission mechanism, the frequency conversion motor transmits rotation motion to the milling spindle through the transmission shafts and the gear transmission pairs; duplicate gears are slipped manually, so that the milling spindle has a low gear operating area and a high gear operating area; the milling spindle can output a high torque at a low gear, and can output a high rotation speed at a high gear; stepless speed regulation can be realized both at the high gear and the low gear; and the transmission mechanism has excellent milling property.
Description
(1) technical field:
The present invention relates to the machine tool component transmission system, be specially a kind of large torque stepless speed-regulating milling spindle box transmission mechanism.
(2) background technology:
At present, the milling spindle case of machine tool mostly is hand gear, cannot stepless speed regulation, operating procedure is many, inefficiency; Although and some milling spindle case can be realized stepless speed regulation, the milling spindle torque is large not, and the cutting that provides is short of power.
(3) summary of the invention:
For this reason, the present invention proposes a kind of large torque stepless speed-regulating milling spindle box transmission mechanism, the problem thereby the cutting that the solution milling spindle provides is short of power.
The technical scheme of the large torque stepless speed-regulating milling spindle of the present invention box transmission mechanism, comprise the drive motors of being located on the main spindle box and be located at the interior milling spindle of main spindle box, the output shaft of connection drive motors and the speed change gear of milling spindle also are set in the described main spindle box, difference is that described drive motors is the variable-frequency motor by the frequency converter frequency control, described speed change gear comprises being located on the different power transmission shafts can realize height, the stage-geared of low gear rotating speed output is secondary, described low or first gear can make milling spindle export large torque, and described top gear can make milling spindle export high rotating speed.
A kind of plan of establishment of described power transmission shaft and stage-geared pair is: described power transmission shaft space is arranged, comprise power shaft, jackshaft, gear conversion I axle and gear conversion II axle, corresponding to each power transmission shaft, the setting of described stage-geared pair comprises the input pinion that is connected on the power shaft, the transmission gear wheel and the drive pinion that are connected on the jackshaft, the gear input gear that is connected on the gear conversion I axle, I axle duplex gearshift pinion on the gear conversion I axle and I axle duplex gearshift gear wheel, the gear output pinion that is connected on II axle duplex gearshift pinion on the gear conversion II axle and II axle duplex gearshift gear wheel and the gear conversion II axle, main shaft gear wheel engagement on described gear output pinion and the milling spindle, gear input gear wheel and drive pinion engagement, transmission gear wheel and input pinion, power shaft connects the output shaft of variable-frequency motor; The slippage or be connected on gear conversion I axle of described I axle duplex gearshift pinion and I axle duplex gearshift gear wheel, described II axle duplex gearshift pinion and II axle duplex gearshift gear wheel are connected or slippage on gear conversion II axle, arrange in the described main spindle box to make the engagement of the corresponding I axle of II axle duplex gearshift pinion duplex gearshift gear wheel realize the output of high gear rotating speed or make II axle duplex gearshift gear wheel corresponding I axle duplex gearshift pinion realize the gearshift of low gear rotating speed output.
For the rotation of stablizing milling spindle, prevent vibrations, flywheel is connected on the described milling spindle.
The cycloidal lubricating pump that is driven by a power transmission shaft wherein is set in the described main spindle box, and described cycloidal lubricating pump is communicated with the bearing position of milling spindle and each power transmission shaft by oil circuit, and the bearing of each axle rotary part is carried out self-lubricate.
Advantage of the present invention:
1, the variable-frequency motor of the large torque stepless speed-regulating milling spindle of the present invention box transmission mechanism rotatablely moves by a series of power transmission shafts and gear drive adjutant and drives to milling spindle, manually the slippage duplicate gear can make milling spindle that a low or first gear and a top gear are arranged, low or first gear makes milling spindle export large torque, and top gear makes milling spindle export high rotating speed.
2, milling spindle of the present invention can be realized stepless speed regulation when low or first gear and high gear, has good milling performance.
(4) description of drawings:
Fig. 1 is the configuration diagram of one embodiment of the present invention.
Figure number sign: 1, main spindle box; 2, motor case lid; 3, variable-frequency motor; 4, power shaft; 5, input pinion; 6, transmission gear wheel; 7, jackshaft; 8, drive pinion; 9, cycloidal lubricating pump; 10, gear input gear wheel; 11, gear conversion I axle; 12, I axle duplex gearshift pinion; 13, I axle duplex gearshift gear wheel; 14, gear conversion II axle; 15, II axle duplex gearshift gear wheel; 16, II axle duplex gearshift pinion; 17, gear output pinion; 18, main shaft gear wheel; 19, flywheel; 20, axle sleeve; 21, sleeve; 22, milling spindle.
(5) specific embodiment:
Below in conjunction with accompanying drawing technical scheme of the present invention is described further.
The large torque stepless speed-regulating milling spindle of the present invention box transmission mechanism comprises drive motors (variable-frequency motor 3), milling spindle 22 and speed change gear, described variable-frequency motor 3 is installed on the right side on the motor case lid 2 of main spindle box 1, the output shaft of variable-frequency motor 3 puts in the main spindle box 1 downward vertically, described milling spindle 22 is installed on left side in the main spindle box 1 vertically downward by axle sleeve 20 and sleeve 21, milling spindle 22 tops are fixedly mounted with main shaft gear wheel 18 and flywheel 19, in main spindle box 1, described speed change gear is connected between the output shaft and milling spindle 22 of variable-frequency motor 3, as shown in Figure 1.
Described speed change gear is made of the stage-geared pair of many power transmission shafts and setting on it:
Described power transmission shaft is power shaft 4, jackshaft 7, gear conversion I axle 11 and the gear conversion II axle 14 that the space is arranged, the upper end of described power shaft 4 connects the output shaft of variable-frequency motor 3, described jackshaft 7 is between gear conversion I axle 11 and the power shaft 4 and on the lower side side's setting, described gear conversion II axle 14 is between milling spindle 22 and the gear conversion I axle 11 and on the upper side side's setting, as shown in Figure 1.
Described stage-geared pair is respectively the input pinion 5 that power shaft 4 bottoms are connected, the upper transmission gear wheel 6 and the next drive pinion 8 that are connected on the jackshaft 7, the gear input gear wheel 10 that gear conversion I axle 11 bottoms are connected, the I axle duplex gearshift pinion 12(of gear conversion I axle 11 top slippages is the next) and the I axle duplex gear wheel 13(that shifts gears upper), the II axle duplex gearshift pinion 16(that gear conversion II axle 14 bottoms are fixedly mounted with is upper) and II axle duplex gearshift gear wheel 15(the next) and gear change the gear output pinion 17 that II axle 14 tops are connected, as shown in Figure 1.
Wherein, described input pinion 5 often meshes with transmission gear wheel 6, and described drive pinion 8 often meshes with gear input gear wheel 10, and described gear output pinion 17 often meshes with main shaft gear wheel 18; The described main spindle box 1 interior gearshift that mobile I axle duplex gearshift pinion 12 and I axle duplex gearshift gear wheel 13 are set, gearshift is upwards stirred I axle duplex power shift gear, can make I axle duplex gearshift gear wheel 13 and 16 engagements of II axle duplex gearshift pinion, gearshift is stirred I axle duplex power shift gear downwards, can make I axle duplex gearshift pinion 12 and 15 engagements of II axle duplex gearshift gear wheel, as shown in Figure 1.
Gear conversion I axle 11 belows in the described main spindle box 1 arrange cycloidal lubricating pump 9, and cycloidal lubricating pump 9 is driven by gear conversion I axle 11 and is communicated with the bearing position of milling spindle 22 and each power transmission shaft by oil circuit, as shown in Figure 1.
The present invention can realize stepless speed regulation in low or first gear and top gear:
---power transmission shaft 4---input pinion 5---transmission gear wheel 6---drive pinion 8---gear input gear wheel 10---I axle duplex gearshift pinion 12---II axle duplex gearshift gear wheel 15---gear output pinion 17---the main shaft gear wheel 18---transmission of milling spindle 22 that power is through variable-frequency motor 3, realize the output of low or first gear rotating speed, variable-frequency motor 3 adjustment of rotational speed can be turned 280～3000/per minute, gearratio design by speed change gear, the rotating speed capable of regulating of milling spindle 22 turns 20～200/per minute, milling spindle 22 exportable large torques this moment.
---power transmission shaft 4---input pinion 5---transmission gear wheel 6---drive pinion 8---gear input gear wheel 10---I axle duplex gearshift gear wheel 13---II axle duplex gearshift pinion 16---gear output pinion 17---the main shaft gear wheel 18---transmission of milling spindle 22 that power is through variable-frequency motor 3, realize the output of top gear rotating speed, the adjustment of rotational speed of variable-frequency motor 3 can be turned 280～3000/per minute, gearratio design by speed change gear, the rotating speed capable of regulating of milling spindle 22 turns 62～660/per minute, at this moment milling spindle 22 exportable high rotating speeds.
Claims (4)
1. large torque stepless speed-regulating milling spindle box transmission mechanism, comprise the drive motors of being located on the main spindle box (1) and be located at the interior milling spindle (22) of main spindle box (1), the output shaft of connection drive motors and the speed change gear of milling spindle (22) also are set in the described main spindle box (1), it is characterized in that: described drive motors is the variable-frequency motor (3) by the frequency converter frequency control, and described speed change gear comprises is located at the stage-geared pair that can realize high and low gear rotating speed output on the different power transmission shafts.
2. large torque stepless speed-regulating milling spindle box transmission mechanism according to claim 1, it is characterized in that: described power transmission shaft comprises the power shaft (4) that the space is arranged, jackshaft (7), gear conversion I axle (11) and gear conversion II axle (14), described stage-geared pair comprises the input pinion (5) that is connected on the power shaft (4), the transmission gear wheel (6) that is connected on the jackshaft (7) and drive pinion (8), the gear input gear wheel (10) that is connected on the gear conversion I axle (11), I axle duplex gearshift pinion (12) on the gear conversion I axle (11) and I axle duplex gearshift gear wheel (13), the gear output pinion (17) that is connected on II axle duplex gearshift pinion (16) on the gear conversion II axle (14) and II axle duplex gearshift gear wheel (15) and the gear conversion II axle (14), main shaft gear wheel (18) engagement on described gear output gear (17) and the milling spindle (22), gear input gear wheel (10) and drive pinion (8) engagement, transmission gear wheel (6) and input pinion (5) engagement, power shaft (4) connects the output shaft of variable-frequency motor (3); Described I axle duplex gearshift pinion (12) and I axle duplex are shifted gears gear wheel (13) in the upper slippage of gear conversion I axle (11) or are connected, described II axle duplex gearshift pinion (16) and II axle duplex gearshift gear wheel (15) are connected or slippage on gear conversion II axle (14), the interior gearshift that makes II axle duplex gearshift pinion (16) corresponding I axle duplex gearshift gear wheel (13) engagement realization high gear rotating speed output or make the output of II axle duplex gearshift gear wheel (15) corresponding I axle duplex gearshift pinion (12) engagement realization low gear rotating speed that arranges of described main spindle box (1).
3. large torque stepless speed-regulating milling spindle box transmission mechanism according to claim 2, it is characterized in that: flywheel (19) is connected on the described milling spindle (22).
4. any one described large torque stepless speed-regulating milling spindle box transmission mechanism according to claim 1～3, it is characterized in that: the cycloidal lubricating pump (9) that is driven by a power transmission shaft wherein is set in the described main spindle box (1), and described cycloidal lubricating pump (9) is communicated with the bearing position of milling spindle (22) and each power transmission shaft by oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104930689A CN102962713A (en) | 2012-11-27 | 2012-11-27 | Transmission mechanism for high-torque stepless speed regulating milling spindle box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104930689A CN102962713A (en) | 2012-11-27 | 2012-11-27 | Transmission mechanism for high-torque stepless speed regulating milling spindle box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102962713A true CN102962713A (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104930689A Pending CN102962713A (en) | 2012-11-27 | 2012-11-27 | Transmission mechanism for high-torque stepless speed regulating milling spindle box |
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| CN (1) | CN102962713A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044513A (en) * | 2017-04-14 | 2017-08-15 | 高雅 | A kind of motor multistep speed regulation transmission mechanism for fruit picking robot |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5567094A (en) * | 1995-11-29 | 1996-10-22 | Chung; Liao Y. | Speed change control mechanism of a vertical milling machine |
| CN2724916Y (en) * | 2004-07-23 | 2005-09-14 | 周镇方 | Large lathe headstock box driving mechanism |
| CN201287271Y (en) * | 2008-10-06 | 2009-08-12 | 宋保通 | Stepless speed change main spindle box of lathe |
| CN201500905U (en) * | 2009-08-26 | 2010-06-09 | 六安金宇数控机床制造有限公司 | Transmission mechanism of numerical control heavy floor lathe spindle box |
| CN203062376U (en) * | 2012-11-27 | 2013-07-17 | 桂林机床股份有限公司 | Transmission structure of large-torque stepless speed regulating milling spindle box |
-
2012
- 2012-11-27 CN CN2012104930689A patent/CN102962713A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5567094A (en) * | 1995-11-29 | 1996-10-22 | Chung; Liao Y. | Speed change control mechanism of a vertical milling machine |
| CN2724916Y (en) * | 2004-07-23 | 2005-09-14 | 周镇方 | Large lathe headstock box driving mechanism |
| CN201287271Y (en) * | 2008-10-06 | 2009-08-12 | 宋保通 | Stepless speed change main spindle box of lathe |
| CN201500905U (en) * | 2009-08-26 | 2010-06-09 | 六安金宇数控机床制造有限公司 | Transmission mechanism of numerical control heavy floor lathe spindle box |
| CN203062376U (en) * | 2012-11-27 | 2013-07-17 | 桂林机床股份有限公司 | Transmission structure of large-torque stepless speed regulating milling spindle box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044513A (en) * | 2017-04-14 | 2017-08-15 | 高雅 | A kind of motor multistep speed regulation transmission mechanism for fruit picking robot |
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Application publication date: 20130313 |