CN209587056U - A kind of large torque plain milling bed main shaft gearbox - Google Patents
A kind of large torque plain milling bed main shaft gearbox Download PDFInfo
- Publication number
- CN209587056U CN209587056U CN201920075432.7U CN201920075432U CN209587056U CN 209587056 U CN209587056 U CN 209587056U CN 201920075432 U CN201920075432 U CN 201920075432U CN 209587056 U CN209587056 U CN 209587056U
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- CN
- China
- Prior art keywords
- gear
- transition
- output
- bearing
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003801 milling Methods 0.000 title claims abstract description 13
- 230000007704 transition Effects 0.000 claims abstract description 62
- 238000005520 cutting process Methods 0.000 claims abstract description 15
- 230000005484 gravity Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses a kind of large torque plain milling bed main shaft gearbox, including motor, gear-box, Cutting tool, motor is equipped on the left of the gear-box, Cutting tool is installed on the right side of the gear-box, input shaft is equipped with inside the gear outer container, transition axis, output shaft, the input shaft, transition axis, the axial connecting line of output shaft is at rounded projections arranged, the output shaft bottom is equipped with Cutting tool, the utility model overturns traditional Die Design frame mode, input shaft, transition axis, the axial connecting line of output shaft is at rounded projections arranged, gear-box vertical center of gravity is consistent with output shaft rotation center, main shaft work reaction force diverging irradiation is uniform, it avoids resonating, internal gear uses inclined gear, structural stability is strong, gear-box own load is greatly reduced, running noise is low.
Description
Technical field
The utility model relates to a kind of milling machine structure, specifically a kind of large torque plain milling bed main shaft gearbox.
Background technique
Most milling machine spindle gear-boxes, are directly connect with output end using driving motor input terminal, are caused in technology today
The vibration of output end is passed directly to driving motor, and machining accuracy declines and easily leads to the service life decline of driving motor, technology today
Plain milling bed main shaft gearbox be not suitable for low-speed heavy cut, the element precision processed in the state of low-speed heavy cut is high
And finished, substantially reduce production efficiency.
Utility model content
The utility model provides a kind of large torque plain milling bed mainshaft gear to make up the above-mentioned deficiency of the prior art
Case.
To achieve the goals above, the utility model adopts the following technical scheme.
A kind of large torque plain milling bed main shaft gearbox, including motor, gear-box, Cutting tool, the motor pass through gear
Case drives Cutting tool, and the gear-box includes gear outer container, input shaft, input gear, input shaft bearing, transition axis, the first mistake
Gear, the second transition gear, transition bearing, output shaft, output gear, output bearing, oil sealing are crossed, is set inside the gear outer container
Have input shaft, transition axis, an output shaft, the input shaft, transition axis, output shaft axial connecting line at rounded projections arranged, the electricity
The shaft tail portion of machine is fixed with input shaft head, is equipped with input shaft bearing on the input shaft caudal part, the input shaft bearing with
Gear outer container is rotatably assorted, and input gear, the nearly head of the transition axis are equipped between input shaft head and the input shaft bearing
Portion end is equipped with First Transition gear, and the First Transition gear carries out gear with input gear and engages, the First Transition gear
Lower section is equipped with transition bearing, and the transition bearing is rotatably assorted with gear outer container, and the is equipped with below the transition bearing
Two transition gears, the nearly head end of the output shaft are equipped with output bearing, and the output bearing carries out rotation with gear outer container and matches
It closes, output gear is equipped with below the output bearing, the output gear carries out gear with the second transition wheel and engages, the output
Oil sealing is equipped with below gear, the output shaft bottom is equipped with Cutting tool.
Preferably, the input gear, First Transition gear, the second transition gear, output gear tooth form be respectively three
Angular inclined gear.
Preferably, the position of output axle is located at the middle position of overall gear case, and gear-box vertical center of gravity and main shaft are defeated
Rotation center is consistent out.
Compared with prior art, the utility model has good effect below:
The utility model overturns traditional Die Design frame mode, input shaft, transition axis, output shaft axial connecting line at
Rounded projections arranged, gear-box vertical center of gravity is consistent with output shaft rotation center, and main shaft work reaction force diverging irradiation is uniform, keeps away
Exempt to resonate, internal gear uses inclined gear, and structural stability is strong, and gear-box own load is greatly reduced, and running noise is low.
The utility model is described further with specific embodiment with reference to the accompanying drawings of the specification.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the schematic diagram of internal structure of the utility model.
In figure: motor 1, Cutting tool 2, gear outer container 3, input shaft 310, input gear 311, input shaft bearing 312, transition
Axis 320, First Transition gear 321, the second transition gear 322, transition bearing 323, output shaft 330, output gear 331, output
Bearing 332, oil sealing 333.
Specific embodiment
A kind of large torque plain milling bed main shaft gearbox, including motor 1, gear-box, Cutting tool 2, the motor 1 pass through tooth
Roller box drive Cutting tool 2, the gear-box include gear outer container 3, input shaft 310, input gear 311, input shaft bearing 312,
Transition axis 320, First Transition gear 321, the second transition gear 322, transition bearing 323, output shaft 330, output gear 331,
Bearing 332, oil sealing 333 are exported, input shaft 310, transition axis 320, output shaft 330 are equipped with inside the gear outer container 3, it is described defeated
Enter the axial connecting line of axis 310, transition axis 320, output shaft 330 into rounded projections arranged, the output shaft 330 is located at overall gear case
Middle position, the rotation center of the output shaft 330 is consistent with gear-box vertical centre, effectively enhance output shaft 330 it is defeated
Power and operation torque out, shaft tail portion and 310 head of input shaft of the motor 1 are fixed, on 310 caudal part of input shaft
Input shaft bearing 312 is installed, the input shaft bearing 312 is rotatably assorted with gear outer container 3,310 head of input shaft with
Input gear 311 is equipped between input shaft bearing 312, the nearly head end of the transition axis 320 is equipped with First Transition gear 321, described
First Transition gear 321 carries out gear with input gear 311 and engages, and is equipped with transition axis below the First Transition gear 321
323 are held, the transition bearing 323 is rotatably assorted with gear outer container 3, and the second transition is equipped with below the transition bearing 323
Gear 322, the nearly head end of the output shaft 330 are equipped with output bearing 332, and the output bearing 332 is carried out with gear outer container 3
It is rotatably assorted, output gear 331 is equipped with below the output bearing 332, the output gear 331 and the second transition wheel carry out tooth
Wheel engages, and oil sealing 333 is equipped with below the output gear 331,330 bottom of output shaft is equipped with Cutting tool 2.
Preferably, the input gear 311, First Transition gear 321, second transition gear 322, output gear 331
Tooth form is respectively triangle inclined gear, and the triangle inclined gear joint precision is high, and structural stability is strong, running noise
It is low.
Preferably, 330 position of output shaft is located at the middle position of overall gear case, gear-box vertical center of gravity and main shaft
Output rotation center is consistent, effectively enhances the output power and operation torque of output shaft 330.
The working principle of above embodiment is as follows:
The electric motor starting, motor 1 rotary shaft band driven input shaft 310 rotate, and pass through input gear 311 and First Transition tooth
321 engaged transmission of wheel, drives transition axis 320 to rotate, and the rotation of transition axis 320 drives the rotation of the second transition gear 322, passes through second
331 engaged transmission of transition gear 322 and output gear, drives output shaft 330 to rotate, to drive Cutting tool 2 to rotate, in turn
Cutting workpiece.
For those skilled in the art, it can be obtained according to the revealed structure of the utility model and principle other each
Kind is corresponding to be changed and deforms, and all these change and deform the protection category for belonging to the utility model.
Claims (3)
1. a kind of large torque plain milling bed main shaft gearbox, including motor, gear-box, Cutting tool, the motor pass through gear-box
Drive Cutting tool, it is characterised in that: the gear-box includes gear outer container, input shaft, input gear, input shaft bearing, transition
Axis, First Transition gear, the second transition gear, transition bearing, output shaft, output gear, output bearing, oil sealing, the gear
Be equipped with input shaft, transition axis, output shaft inside outer container, the input shaft, transition axis, output shaft axial connecting line arranged at triangle
Column, shaft tail portion and the input shaft head of the motor are fixed, and input shaft bearing is equipped on the input shaft caudal part, described defeated
Enter bearing to be rotatably assorted with gear outer container, input gear, the mistake are equipped between input shaft head and the input shaft bearing
The nearly head end of axis is crossed equipped with First Transition gear, the First Transition gear carries out gear with input gear and engages, and described first
Transition bearing is installed below transition gear, the transition bearing is rotatably assorted with gear outer container, under the transition bearing
Side is equipped with the second transition gear, and the nearly head end of the output shaft is equipped with output bearing, the output bearing and gear outer container into
Row is rotatably assorted, and output gear is equipped with below the output bearing, and the output gear carries out gear with the second transition wheel and engages,
Oil sealing is equipped with below the output gear, the output shaft bottom is equipped with Cutting tool.
2. a kind of large torque plain milling bed main shaft gearbox according to claim 1, it is characterised in that: the input gear,
First Transition gear, the second transition gear, output gear tooth form be respectively triangle inclined gear.
3. a kind of large torque plain milling bed main shaft gearbox according to claim 1, it is characterised in that: the position of output axle
Positioned at the middle position of overall gear case, gear-box vertical center of gravity is consistent with main shaft output rotation center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920075432.7U CN209587056U (en) | 2019-01-17 | 2019-01-17 | A kind of large torque plain milling bed main shaft gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920075432.7U CN209587056U (en) | 2019-01-17 | 2019-01-17 | A kind of large torque plain milling bed main shaft gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587056U true CN209587056U (en) | 2019-11-05 |
Family
ID=68353712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920075432.7U Expired - Fee Related CN209587056U (en) | 2019-01-17 | 2019-01-17 | A kind of large torque plain milling bed main shaft gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209587056U (en) |
-
2019
- 2019-01-17 CN CN201920075432.7U patent/CN209587056U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191105 |