CN207246360U - A kind of spring and guide positioning pin combining structure disappears gap screw-wheel gearing - Google Patents
A kind of spring and guide positioning pin combining structure disappears gap screw-wheel gearing Download PDFInfo
- Publication number
- CN207246360U CN207246360U CN201621366945.6U CN201621366945U CN207246360U CN 207246360 U CN207246360 U CN 207246360U CN 201621366945 U CN201621366945 U CN 201621366945U CN 207246360 U CN207246360 U CN 207246360U
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- CN
- China
- Prior art keywords
- gear
- disc spring
- clearance elimination
- jackshaft
- shaft
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Abstract
A kind of spring and guide positioning pin combining structure is the utility model is related to disappear gap screw-wheel gearing, the transmission device by one of overall processing in each pair helical gear pair it is good after be split as two bodies, one is used to be driven in two helical gears after fractionation, one is used for the gap that disappears, clearance elimination gear is felt relieved by endoporus, is limited it by trundle and can only be axially moveable and limit it and rotates in the circumferential direction.There is the disk spring group being uniformly distributed along the circumference between two gears, groups of springs promotes clearance elimination gear to be axially moveable, until eliminating gear pair backlash, the Metal Cutting Machine Tool gear drive such as lathe, milling machine and metal annular sawing machine main spindle box, large-scale and heavy machine tool feeding transmission system can be applied to.Major function and advantage are to realize Gapless gear transmission, reduce the shock and vibration brought in the machine tool chief axis course of work because loading and changing, eliminate Machine Tool Feeding System drive gap and then improve feed accuracy.
Description
Technical field
One kind is the utility model is related to disappear gap screw-wheel gearing, more particularly to a kind of spring and guide finger combining structure
The gap that disappears screw-wheel gearing.
Background technology
Conventional gear transmission gear joint engagement in there are certain gap, this gap for metal cutting main spindle box and
Speech, when main shaft load changes, suddenly change can occur for transmission resistance, and the mesh tooth face of gear can change, because between
The presence of gap can be hit, and produce noise, vibration harmful effect, and influence part processing quality, cause the too fast damage of cutter；
For feed system, gear transmission clearance makes feeding system produce backlass.Therefore gear train assembly gap tool is eliminated
It is significant.
The application gap screw-wheel gearing that disappears can be applied to the Metal Cutting Machine Tool tooth such as lathe, milling machine and metal annular sawing machine
Take turns transmission main shaft case, large-scale and heavy machine tool feeding transmission system.Major function and advantage are to realize Gapless gear transmission, are subtracted
The shock and vibration that are brought in few machine tool chief axis course of work because loading and changing, eliminate Machine Tool Feeding System drive gap and then
Improve feed accuracy.
The content of the invention
The purpose of this utility model is that：A kind of spring is provided for there are the problem of gap during existing gear drive
The device in Helical gear Transmission gap is eliminated with guide finger combining structure.
What the purpose of this utility model was realized in：
A kind of spring and guide positioning pin combining structure disappear gap screw-wheel gearing include input gear axle 7, jackshaft
Travelling gear 4, it is characterised in that：Right side of the fixed gear one with being fixed on intermediate gear shaft 1 in the input gear axle 7
Middle shaft transmission gear 4 engage, kink has jackshaft to disappear gap tooth in the outer convex cylindrical that right side is set on middle shaft transmission gear 4
Wheel 8, jackshaft clearance elimination gear 8 is provided with the baffle 9 for being fixed on middle 4 right side of shaft transmission gear, and the gear one is at the same time
Engaged with jackshaft clearance elimination gear 8, disc spring guide finger 25 is fixedly mounted on middle shaft transmission gear 4, more than two disc springs
It is installed in series on disc spring guide finger 25 and forms disc spring group 26,26 left end of disc spring group holds out against middle shaft transmission gear 4, right end
Jackshaft clearance elimination gear 8 is held out against, the left side of guide positioning pin 2 12 is fixedly mounted on middle shaft transmission gear 4, right side and centre
The axial pin hole that shaft transmission gear 4 opens up is slidably connected, the gear one, middle shaft transmission gear 4, jackshaft clearance elimination gear
8 be cylindric spiral gear.
Middle shaft transmission gear 4 in the same way as described above circumference uniform distribution be provided with more than two guide positioning pins 2 12,
Disc spring guide finger 25 and the disc spring group 26 on disc spring guide finger 25.
The fixed structure of the middle shaft transmission gear 4 on the right side for being fixed on intermediate gear shaft 1 is：Jackshaft is driven
Gear 4 is installed on the right side of intermediate gear shaft 1 by key 10, and is located at jackshaft driving cog using with what intermediate gear shaft screwed
Take turns 4 right side locking nuts 11 and carry out shaft transmission gear 4 among axial restraint.
Fixed gear two is engaged with gear three fixed on output gear shaft 16 on the left of the intermediate gear shaft, and together
When output shaft clearance elimination gear 14 with kink in the overhanging convex cylindrical on the right side of gear three engage, its right side be provided be fixed on it is defeated
The baffle ring 13 of 14 right side of shaft clearance elimination gear, the gear two, gear three, output shaft clearance elimination gear 14 are cylinder helical teeth
Wheel.Disc spring guide finger 1 is fixedly mounted on gear three, and more than two disc springs are installed in series the group on disc spring guide finger 1
Into disc spring group 1, one 3 left end of disc spring group holds out against gear three, and right end holds out against output shaft clearance elimination gear 14, disc spring guide positioning pin one
15 left sides are fixedly mounted on gear three, and right side is slidably connected with the axial pin hole one that output shaft clearance elimination gear 14 opens up, to
Output shaft clearance elimination gear 14 can only be moved axially along the overhanging cylinder in the right side of gear three.The circumference uniform distribution in the same way as described above of gear three
The disc spring being provided with more than two disc spring guide positioning pins 1, disc spring guide finger 1 and installation disc spring guide finger 1
Group 1.
Compared with conventional gears backlash eliminating equipment, the utility model has the following advantages that：
1. input gear axle rotation driving jackshaft clearance elimination gear group, clearance elimination gear group pass through disc spring and guide positioning pin knot
Structure realizes the elimination of gear auxiliary air gap；It is simple in structure, it is easy to produce.
2. clearance elimination gear group passes through the clearance elimination gear on the helical teeth wheel drive output gear shaft on coaxial intermediate gear shaft
Group realizes that the second level is driven without sideshake, multistage clearance elimination gear transmission easy to implement.
3. using the synergy of disc spring combination guide finger, strength stabilization is held out against between gear.
Brief description of the drawings
Fig. 1 is that spring and guide positioning pin combining structure disappear the drive mechanism schematic diagram of gap screw-wheel gearing
Fig. 2 is the A direction views of drive mechanism schematic diagram
Fig. 3 disappears gap screw-wheel gearing basic principle figure
In figure：1-intermediate gear shaft, 2-disc spring guide finger one, 3-disc spring group one, 4-centre shaft transmission gear, 5-
Disc spring guide finger two, 6-disc spring group two, 7-input gear axle, 8-jackshaft clearance elimination gear, 9-baffle, 10-key, 11-
Locking nut, 12-guide positioning pin two, 13-baffle ring, 14-output shaft clearance elimination gear, 15-disc spring guide positioning pin one,
16-output gear shaft.
Embodiment
With reference to Fig. 1-3, spring and guide positioning pin combining structure disappear gap screw-wheel gearing include input gear axle 7,
Middle shaft transmission gear 4, the gear one in the input gear axle 7 are engaged with middle shaft transmission gear 4, jackshaft driving cog
Wheel 4 is installed on the right side of intermediate gear shaft 1 by key 10, and using the locking nut 11 screwed with intermediate gear shaft come axially solid
Shaft transmission gear 4 among fixed, kink has jackshaft clearance elimination gear 8 in the outer convex cylindrical that right side is set on middle shaft transmission gear 4,
Baffle 9 is fixedly mounted on middle 4 right side of shaft transmission gear, and positioned at the right side of jackshaft clearance elimination gear 8, to prevent centre
Axial abjection on the right side of the edge of axis clearance elimination gear 8.Gear one in input gear axle 7 is engaged with jackshaft clearance elimination gear 8 at the same time, dish
Spring guide finger 25 is fixedly mounted on middle shaft transmission gear 4, and more than two disc springs are installed in series in disc spring guide finger 25
Upper composition disc spring group 26,26 left end of disc spring group hold out against middle shaft transmission gear 4, and right end holds out against jackshaft clearance elimination gear 8, is oriented to
The left side of positioning pin 2 12 is fixedly mounted on middle shaft transmission gear 4, the axial pin hole that right side is opened up with middle shaft transmission gear 4
Two are slidably connected, only can be along the right side shaft part axial movement of intermediate gear shaft 1 to jackshaft clearance elimination gear 8.Jackshaft is driven
Circumference uniform distribution is provided with more than two guide positioning pins 2 12, disc spring guide finger 25 and peace to gear 4 in the same way as described above
Fill the disc spring group 26 on disc spring guide finger 25.
Gear two on the left of the intermediate gear shaft is engaged with the gear three on output gear shaft 16, and at the same time and kink
Output shaft clearance elimination gear 14 in the overhanging convex cylindrical on the right side of gear three engages, its right side, which is provided with, to be fixed on output shaft and disappear gap
The baffle ring 13 of 14 right side of gear, prevents output shaft clearance elimination gear 14 from deviating from along in 14 right side convex cylindrical of output shaft clearance elimination gear.
Disc spring guide finger 1 is fixedly mounted on gear three, and more than two disc springs are installed in series in disc spring guide finger 1
Upper composition disc spring group 1, one 3 left end of disc spring group hold out against gear three, and right end holds out against output shaft clearance elimination gear 14, disc spring guide-localization
The left side of pin 1 is fixedly mounted on gear three, and right side is slidably connected with the axial pin hole one that output shaft clearance elimination gear 14 opens up,
It can only be moved axially to output shaft clearance elimination gear 14 along the overhanging cylinder in the right side of gear three.The circumference in the same way as described above of gear three
More than two disc spring guide positioning pins 1, disc spring guide finger 1 are uniformly arranged to install the disc spring of disc spring guide finger 1
Group 1.
The gear one, gear two, gear three, middle shaft transmission gear 4, jackshaft clearance elimination gear 8, output shaft disappear gap
Gear 14 is cylindric spiral gear.
The gear one is fixed in input gear axle 7 or using integral structure, during the gear two is fixed on
Between be fixed on gear shaft 1 or using integral structure, the gear three on output gear shaft 16 or using integral structure.
Input gear axle 7 counterclockwise rotates, and drives middle shaft transmission gear 4 to be rotated clockwise, passes through disc spring
The guiding to disc spring of guide finger 25 produces the thrust of disc spring group 6, jackshaft clearance elimination gear 8 is moved right, due to tooth
Wheel one, jackshaft clearance elimination gear 8, middle shaft transmission gear 4 are helical gear, jackshaft clearance elimination gear 8 move right distance B when,
The helicoid of jackshaft clearance elimination gear 8 and middle shaft transmission gear 4 is set to make jackshaft clearance elimination gear not on same helix
8 two parallel spires with middle shaft transmission gear 4 for the δ angles that circumferentially misplace, make gear one enter the teeth groove one of engagement
Side flank profil and the gear teeth meshing on middle shaft transmission gear 4, one opposite side flank profil of gear and the gear teeth on jackshaft clearance elimination gear 8
Engagement, eliminates backlash.
If stage-geared, such as secondary gear transmission, intermediate gear shaft 1 disappear with output gear shaft 16 and output shaft
Gap gear 14 engages at the same time, realizes the two level Helical gear Transmission of no sideshake.
Claims (4)
- Gap screw-wheel gearing, including input gear axle 1. a kind of spring and guide positioning pin combining structure disappear（7）, jackshaft Travelling gear（4）, it is characterised in that：The input gear axle（7）Upper fixed gear one is with being fixed on intermediate gear shaft（1） Right side middle shaft transmission gear（4）Engagement, middle shaft transmission gear（4）In there is kink in the outer convex cylindrical that upper right side is set Countershaft clearance elimination gear（8）, jackshaft clearance elimination gear（8）It is provided with and is fixed on middle shaft transmission gear（4）The baffle of right side （9）, the gear one at the same time with jackshaft clearance elimination gear（8）Engagement, disc spring guide finger two（5）It is fixedly mounted on jackshaft biography Moving gear（4）On, more than two disc springs are installed in series in disc spring guide finger two（5）Upper composition disc spring group two（6）, disc spring group two （6）Left end holds out against middle shaft transmission gear（4）, right end holds out against jackshaft clearance elimination gear（8）, guide positioning pin two（12）Left side is consolidated Dingan County is mounted in middle shaft transmission gear（4）On, right side and middle shaft transmission gear（4）The axial pin hole opened up is slidably connected, institute Gear one, the middle shaft transmission gear stated（4）, jackshaft clearance elimination gear（8）It is cylindric spiral gear.
- The gap screw-wheel gearing 2. spring according to claim 1 and guide positioning pin combining structure disappear, its feature exist In：Middle shaft transmission gear（4）Circumference uniform distribution is provided with more than two guide positioning pins two（12）, disc spring guide finger two（5） And installed in disc spring guide finger two（5）On disc spring group two（6）.
- The gap screw-wheel gearing 3. spring according to claim 1 and guide positioning pin combining structure disappear, its feature exist In：Described is fixed on intermediate gear shaft（1）Right side middle shaft transmission gear（4）Fixed structure be：Jackshaft is driven Gear（4）Pass through key（10）Installed in intermediate gear shaft（1）Right side, and using with what intermediate gear shaft screwed being located at jackshaft Travelling gear（4）Right side locking nut（11）Carry out shaft transmission gear among axial restraint（4）.
- The gap screw-wheel gearing 4. spring according to claim 1 and guide positioning pin combining structure disappear, its feature exist In：Fixed gear two and output gear shaft on the left of the intermediate gear shaft（16）Upper fixed gear three engages, and at the same time With output shaft clearance elimination gear of the kink in the overhanging convex cylindrical on the right side of gear three（14）Engagement, its right side be provided be fixed on it is defeated Shaft clearance elimination gear（14）The baffle ring of right side（13）, the gear two, gear three, output shaft clearance elimination gear（14）It is circle Column helical gear, disc spring guide finger one（2）It is fixedly mounted on gear three, more than two disc springs are installed in series in disc spring guide finger One（2）Upper composition disc spring group one（3）, disc spring group one（3）Left end holds out against gear three, and right end holds out against output shaft clearance elimination gear（14）, Disc spring guide positioning pin one（15）Left side is fixedly mounted on gear three, right side and output shaft clearance elimination gear（14）The axial direction opened up Pin hole one is slidably connected, to output shaft clearance elimination gear（14）It can only be moved axially along the overhanging cylinder in the right side of gear three, gear three Circumference uniform distribution is provided with more than two disc spring guide positioning pins one（15）, disc spring guide finger one（2）And led installed in disc spring To pin one（2）On disc spring group one（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621366945.6U CN207246360U (en) | 2016-12-14 | 2016-12-14 | A kind of spring and guide positioning pin combining structure disappears gap screw-wheel gearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621366945.6U CN207246360U (en) | 2016-12-14 | 2016-12-14 | A kind of spring and guide positioning pin combining structure disappears gap screw-wheel gearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207246360U true CN207246360U (en) | 2018-04-17 |
Family
ID=61874774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621366945.6U Expired - Fee Related CN207246360U (en) | 2016-12-14 | 2016-12-14 | A kind of spring and guide positioning pin combining structure disappears gap screw-wheel gearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207246360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112475945A (en) * | 2020-11-05 | 2021-03-12 | 广州理工学院 | Precise rotary worktable |
-
2016
- 2016-12-14 CN CN201621366945.6U patent/CN207246360U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112475945A (en) * | 2020-11-05 | 2021-03-12 | 广州理工学院 | Precise rotary worktable |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20181214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |