CN207740451U - A kind of numerically-controlled machine tool eliminates the bidentate wheel apparatus in gap - Google Patents
A kind of numerically-controlled machine tool eliminates the bidentate wheel apparatus in gap Download PDFInfo
- Publication number
- CN207740451U CN207740451U CN201721815482.1U CN201721815482U CN207740451U CN 207740451 U CN207740451 U CN 207740451U CN 201721815482 U CN201721815482 U CN 201721815482U CN 207740451 U CN207740451 U CN 207740451U
- Authority
- CN
- China
- Prior art keywords
- axis
- gear
- internal
- external
- tooth
- 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.)
- Active
Links
Landscapes
- Gears, Cams (AREA)
Abstract
The utility model discloses the bidentate wheel apparatus that a kind of numerically-controlled machine tool eliminates gap, belong to machine tool accessory technical field, five axis are equipped in the babinet of device, respectively I axis, II axis, III axis, IV axis, V axis, wherein, I axis and II axis are arranged in parallel, and II axis and III axis are right-angle array, and III axis and IV axis, V axis are rounded projections arranged；I axis is gear shaft, and gear one is equipped among I axis；II axis is gear shaft, and II axis one end is equipped with gear three, II axis middle key connection gear two；III axis is splined shaft, and splined shaft is divided into two sections, and the flute profile and the number of teeth of epimere are identical as the internal tooth of internal-external gear two, is all tooth number Z 22, the outer number of teeth of internal-external gear two is Z45；It is engaged with epimere splined shaft equipped with internal-external gear two III axis one end, two outside flanks of internal-external gear are equipped with internal-external gear one, two external tooth of internal-external gear and tooth engagement in internal-external gear one, one external tooth of internal-external gear are helical teeth, and one lower end of internal-external gear is equipped with gear four and helical gear one successively.
Description
Technical field
The utility model is related to the bidentate wheel apparatus that a kind of numerically-controlled machine tool eliminates gap, belong to machine tool accessory technical field.
Background technology
In existing numerical control feeding Double-gear anti-backlash structure, the adjustment link of transmission chain mostly uses ringfeder structure, poor reliability,
Gap-eliminating structure deforms after a period of use, and numerical control precision is wandered away seriously.
Invention content
The purpose of this utility model is to provide a kind of bidentate wheel apparatus in numerically-controlled machine tool elimination gap, pair in the elimination gap
Geared system can reliably eliminate the drive gap in numerical control feeding system.
Technical solution used by the utility model is：A kind of numerically-controlled machine tool eliminates the bidentate wheel apparatus in gap, device
Five axis, respectively I axis, II axis, III axis, IV axis, V axis are equipped in babinet, wherein I axis and II axis are arranged in parallel, II axis and
III axis is right-angle array, and III axis and IV axis, V axis are rounded projections arranged；I axis is gear shaft, and gear one is equipped among I axis；
II axis is gear shaft, and II axis one end is equipped with gear three, II axis middle key connection gear two；III axis is splined shaft, flower
Key axis is divided into two sections, and the flute profile and the number of teeth of epimere are identical as the internal tooth of internal-external gear two, is all tooth number Z 22, internal-external gear
The two outer number of teeth is Z45；III axis one end is engaged equipped with internal-external gear two with epimere splined shaft, and two outside flanks of internal-external gear are equipped with interior
External gear one, two external tooth of internal-external gear and tooth engagement in internal-external gear one, one external tooth of internal-external gear are helical teeth, and internal-external gear is once
End is equipped with gear four and helical gear one successively；IV axis, V axis are gear shaft, and IV axis, V axis one end are respectively equipped with gear five
With gear six, IV axis centre is keyed helical gear two；I axle key connects motor shaft, and gear one is meshed with gear two, gear
Three are meshed with gear four, and helical gear one is meshed with helical gear two, and the external tooth of internal-external gear one is meshed with helical gear three；Institute
It states III axis upper end and is equipped with disc spring, square head bolt is equipped among the gland of disc spring upper end；The inside and outside number of teeth of internal-external gear two is distinguished
For：The interior number of teeth 22, the outer number of teeth 45, the dislocation differential seat angle=360 ° ÷ that external tooth generates when rotating 1 internal tooth（22×45）=
0.3636 °, effectively reduce gear 5 10, gear 6 12 and 11 back lash of lathe bed upper rack.
The utility model has the beneficial effects that：It is determined by the ordered arrangement of five axis, and by the number of teeth of internal-external gear, makes it
The dislocation angle of rotation can effectively eliminate gap at 0.3636 °, and the micro adjustment wheel and rack of axial displacement energy of III axis is nibbled
Gap is closed, it is convenient and practical.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the bidentate wheel apparatus planar structure schematic diagram that a kind of numerically-controlled machine tool of the utility model eliminates gap.
Fig. 2 is the bidentate wheel apparatus A-A cross-sectional views that a kind of numerically-controlled machine tool of the utility model eliminates gap.
Fig. 3 is the bidentate wheel apparatus B-B cross-sectional views that a kind of numerically-controlled machine tool of the utility model eliminates gap.
1, motor in figure, 2, gear one, 3, gear two, 4, gear three, 5, gear four, 6, helical gear one, 7, internal-external gear
One, 8, internal-external gear two, 9, helical gear two, 10, gear five, 11, rack, 12, gear six, 13 helical gears three, 14, square toes spiral shell
Bolt.
Specific implementation mode
A kind of numerically-controlled machine tool eliminates the bidentate wheel apparatus in gap, and structure is as shown in Figure 1-Figure 3, and five are equipped in the babinet of device
Root axis, respectively I axis, II axis, III axis, IV axis, V axis, wherein I axis and II axis are arranged in parallel, and II axis and III axis are arranged for right angle
Row, III axis and IV axis, V axis are rounded projections arranged；I axis is gear shaft, and gear 1 is equipped among I axis；II axis is
Gear shaft, II axis one end are equipped with gear 34, II axis middle key connection gear 23；III axis is splined shaft, and splined shaft is divided into
Two sections, the flute profile and the number of teeth of epimere are identical as the internal tooth of internal-external gear 28, are all tooth number Z 22, internal-external gear 28 it is outer
The number of teeth is Z45；III axis one end is engaged equipped with internal-external gear 28 with epimere splined shaft, and 28 outside flanks of internal-external gear are equipped with interior external tooth
1 are taken turns, 28 external tooth of internal-external gear and tooth engagement in internal-external gear 1, one 7 external tooth of internal-external gear are helical teeth, internal-external gear 1
Lower end is equipped with gear 45 and helical gear 1 successively；IV axis, V axis are gear shaft, and IV axis, V axis one end are respectively equipped with tooth
5 10 and gear 6 12 are taken turns, helical gear 29 is keyed among IV axis；I axle key connects 1 axis of motor, gear 1 and gear two
3 are meshed, and gear 34 is meshed with gear 45, and helical gear 1 is meshed with helical gear 29, the external tooth of internal-external gear 1 with
Helical gear 3 13 is meshed；The III axis upper end is equipped with disc spring, and square head bolt 14 is equipped among the gland of disc spring upper end；It is inside and outside
The inside and outside number of teeth of gear 28 is respectively：The interior number of teeth 22, the outer number of teeth 45, the dislocation differential seat angle that external tooth generates when rotating 1 internal tooth=
360°÷（22×45）=0.3636 °, effectively reduce gear 5 10, gear 6 12 and 11 back lash of lathe bed upper rack.
When the back lash of one 7 external tooth of helical gear 1, helical gear 29 and internal-external gear, helical gear 3 13 is excessive, rotation
Turn square head bolt 14, helical gear 1, internal-external gear 1 move axially downwards, due to one 6 rotation direction dextrorotation of helical gear, internal-external gear
One 7 external tooth rotation directions are left-handed, so helical gear 29 and helical gear 3 13 is made to generate opposite direction rotation, micro adjustment gear and tooth
Back lash and preload.
Claims (1)
1. a kind of numerically-controlled machine tool eliminates the bidentate wheel apparatus in gap, it is characterized in that：Five axis are equipped in the babinet of device, respectively
I axis, II axis, III axis, IV axis, V axis, wherein I axis and II axis are arranged in parallel, and II axis and III axis are right-angle array, III axis and IV
Axis, V axis are rounded projections arranged；I axis is gear shaft, and gear one is equipped among I axis（2）；II axis be gear shaft, II
Axis one end is equipped with gear three（4）, II axis middle key connection gear two（3）；III axis is splined shaft, and splined shaft is divided into upper and lower two
Section, flute profile and the number of teeth and the internal-external gear two of epimere（8）Internal tooth it is identical, be all tooth number Z 22, internal-external gear two（8）External tooth
Number is Z45；III axis one end is equipped with internal-external gear two（8）It is engaged with epimere splined shaft, internal-external gear two（8）Outside flanks are equipped with inside and outside
Gear one（7）, internal-external gear two（8）External tooth and internal-external gear one（7）Interior tooth engagement, internal-external gear one（7）External tooth is helical teeth, interior
External gear one（7）Lower end is equipped with gear four successively（5）With helical gear one（6）；IV axis, V axis are gear shaft, IV axis, V axis
One end is respectively equipped with gear five（10）With gear six（12）, IV axis centre is keyed helical gear two（9）；The I axle key connection electricity
Machine（1）Axis, gear one（2）With gear two（3）It is meshed, gear three（4）With gear four（5）It is meshed, helical gear one（6）With it is oblique
Gear two（9）It is meshed, internal-external gear one（7）External tooth and helical gear three（13）It is meshed；The III axis upper end is equipped with dish
The gland centre of spring, disc spring upper end is equipped with square head bolt（14）；Internal-external gear two（8）The inside and outside number of teeth be respectively：The interior number of teeth 22,
The outer number of teeth 45, the dislocation differential seat angle=360 ° ÷ that external tooth generates when rotating 1 internal tooth（22×45）=0.3636 °, effectively reduce tooth
Wheel five（10）, gear six（12）With lathe bed upper rack（11）Back lash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721815482.1U CN207740451U (en) | 2017-12-22 | 2017-12-22 | A kind of numerically-controlled machine tool eliminates the bidentate wheel apparatus in gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721815482.1U CN207740451U (en) | 2017-12-22 | 2017-12-22 | A kind of numerically-controlled machine tool eliminates the bidentate wheel apparatus in gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207740451U true CN207740451U (en) | 2018-08-17 |
Family
ID=63119359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721815482.1U Active CN207740451U (en) | 2017-12-22 | 2017-12-22 | A kind of numerically-controlled machine tool eliminates the bidentate wheel apparatus in gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207740451U (en) |
-
2017
- 2017-12-22 CN CN201721815482.1U patent/CN207740451U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2010508475A5 (en) | ||
| CN102678881A (en) | Rigid gear and flexible gear which are used for short-tube flexible-gear harmonic speed reducer and machining process thereof | |
| CN102554361B (en) | Vertical milling machine for precisely processing gear | |
| CN202622077U (en) | Vertical milling machine for accurately machining gear | |
| CN207740451U (en) | A kind of numerically-controlled machine tool eliminates the bidentate wheel apparatus in gap | |
| CN108818528A (en) | A kind of joint of robot transmission mechanism and its operation method | |
| CN104675980B (en) | Automatic plane-enveloping internal-meshing worm and worm gear clearance elimination device | |
| CN201293086Y (en) | Device for eliminating worm gear worm backlash | |
| CN107816512A (en) | A kind of ball globoid worm pair | |
| CN101683719A (en) | Gapless transmission device of numerical control contour grinder | |
| CN202690900U (en) | Novel tooth-shaped gear eccentric drive mechanism | |
| CN207814342U (en) | A kind of ball globoid worm pair | |
| CN102211234B (en) | Method for hobbing disc cylindrical gear type spiral involute gear | |
| TWI568958B (en) | Cam type double rotary shaft structure | |
| US20050063794A1 (en) | Method of producing an enveloping worm | |
| CN206392986U (en) | A kind of cutter for being used to process ROV propeller repairing type gears | |
| CN103644283A (en) | Eccentric helical gear and machining process | |
| CN201731022U (en) | Rolling ball worm gear transmission pair | |
| CN207426905U (en) | A kind of decelerating motor | |
| CN106392203B (en) | A kind of cutter for being used to process ROV propeller repairing type gears | |
| CN203477198U (en) | High tooth form harmonic reducer | |
| CN202732914U (en) | Automatic anti-backlash reduction gearbox with double-gear output | |
| CN203426759U (en) | Single-power tool changing device of CNC machining center | |
| CN202684614U (en) | Feeding anti-backlash system for heavy type numerical control roll turning lathe | |
| CN201807936U (en) | Dual small-skew-gear shaft anti-backlash device for precision main driving of heavy-duty numerical control machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |