CN216263501U - Speed reduction structure of electric tool rest - Google Patents
Speed reduction structure of electric tool rest Download PDFInfo
- Publication number
- CN216263501U CN216263501U CN202122781922.9U CN202122781922U CN216263501U CN 216263501 U CN216263501 U CN 216263501U CN 202122781922 U CN202122781922 U CN 202122781922U CN 216263501 U CN216263501 U CN 216263501U
- Authority
- CN
- China
- Prior art keywords
- gear
- transmission
- shaft
- gear ring
- fluted disc
- 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
Images
Landscapes
- Retarders (AREA)
Abstract
The utility model belongs to the technical field of machine tool knife rests, and particularly relates to a speed reducing structure of an electric knife rest, which comprises a first gear, wherein the top end of the first gear is provided with a transmission shaft, the transmission shaft is in transmission connection with the output end of a motor and is in rotational connection with an upper end cover, the left side and the right side of the first gear are respectively provided with a second gear meshed with the first gear, the middle parts of the two second gears are respectively and correspondingly provided with a rotating shaft, the upper end of the rotating shaft is rotationally connected with an upper end cover through a bearing, the bottom of the rotating shaft is provided with an eccentric shaft, the rotating shaft is rotationally connected with an inner gear ring through a bearing, the middle part in the inner gear ring is provided with a circle of second transmission teeth, the bottom of the inner gear ring is provided with a plurality of third transmission teeth, the lower end of the eccentric shaft is rotationally connected with a retainer through a bearing, the top end of the retainer is provided with a plurality of connecting columns, the top end of the retainer is rotationally connected with an outer fluted disc, the plurality of connecting holes are arranged on the outer fluted disc, the lateral part of the external gear disc is provided with a first transmission gear. The utility model has simple structure and convenient operation, realizes primary speed reduction transmission through the first gear and the second gear, realizes secondary speed reduction transmission through the outer fluted disc and the inner gear ring, does not need to install a connecting part of the speed reduction structure and the fine positioning mechanism, and effectively reduces the number of parts and the failure rate.
Description
Technical Field
The utility model belongs to the technical field of machine tool knife rests, and particularly relates to a speed reducing structure of an electric knife rest.
Background
The tool rest is the most common auxiliary device of the lathe, and can enable the lathe to finish various and even all machining processes in one-time clamping of a workpiece, so that the machining auxiliary time is shortened, and the error caused by multiple installation of the workpiece II in the machining process is reduced, thereby improving the machining efficiency and the machining precision of the lathe. The electric tool rest is connected with the fine positioning mechanism of the electric tool rest through a zero component after the speed of the electric tool rest is reduced through the speed reduction structure, and the electric tool rest has the defects of complex structure, more required parts and higher later-stage failure rate.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the following technical scheme:
a speed reduction structure of an electric knife rest comprises a first gear, wherein a transmission shaft is arranged at the top end of the first gear, the transmission shaft is in transmission connection with the output end of a motor and is in rotational connection with an upper end cover, second gears meshed with the first gear are respectively arranged on the left side and the right side of the first gear, rotating shafts are correspondingly arranged in the middle of the two second gears respectively, the upper end of each rotating shaft is in rotational connection with the upper end cover through a bearing, an eccentric shaft is arranged at the bottom of each rotating shaft, the rotating shafts are in rotational connection with an inner gear ring through bearings, the upper end of the inner gear ring is in rotational connection with the upper end cover, a circle of second transmission teeth are arranged in the middle of the inner gear ring, a plurality of third transmission teeth are arranged at the bottom of the inner gear ring, a retainer is rotationally connected with the lower end of the eccentric shaft through bearings, a plurality of connecting columns are arranged at the top end of the retainer, and an external gear disc is rotationally connected to the top end of the retainer, be equipped with a plurality of connecting holes on the external tooth dish, in the connecting hole was arranged in to the spliced pole, the aperture of connecting hole is greater than the external diameter of spliced pole, the external tooth dish lateral part is equipped with first driving tooth, first driving tooth meshes with the second driving tooth mutually, the spliced pole top is connected with the upper end cover, all be equipped with the pinhole on holder, spliced pole and the upper end cover, a plurality of pinholes are connected through the connecting axle.
Preferably, the number of teeth of the first gear is less than that of the second gear, the first gear is driven to rotate by the motor, and the second gear is driven to rotate by the first gear, so that speed reduction transmission is realized.
Preferably, the axis of the eccentric shaft and the axis of the rotating shaft are not on the same straight line, and when the eccentric shaft rotates, the eccentric shaft drives the outer toothed disc to swing, so that the outer toothed disc drives the inner gear ring to rotate.
Preferably, the outer diameter of the outer fluted disc is smaller than the inner diameter of the inner gear ring, the number of the first transmission teeth is smaller than that of the second transmission teeth, and the speed reduction transmission is realized through a few-tooth differential principle.
The utility model also comprises other components which can enable the speed reducing structure of the electric tool rest to be normally used, and the components are conventional technical means in the field. In addition, the undefined devices or components of the present invention are all those conventionally used in the art.
When the electric tool rest fine positioning mechanism is used, the motor drives the first gear to rotate, the first gear drives the second gear to rotate, so that primary speed reduction transmission is realized, the second gear drives the transmission shaft and the eccentric shaft to rotate, the eccentric shaft drives the outer fluted disc to swing, the outer fluted disc drives the inner gear ring to rotate, secondary speed reduction transmission is realized through a few-tooth differential principle, power output is realized through the inner gear ring, and the bottom of the inner gear ring is provided with third transmission teeth corresponding to the electric tool rest fine positioning mechanism, so that the electric tool rest can be accurately positioned.
The utility model has the beneficial effects of simple structure and convenient operation, realizes primary speed reduction transmission through the first gear and the second gear, realizes secondary speed reduction transmission through the external gear disc and the internal gear ring, does not need to be provided with a connecting part of the speed reduction structure and the fine positioning mechanism, and effectively reduces the number of parts and the failure rate.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is an exploded view of the overall structure of the present invention;
fig. 2 is a cross-sectional view of the overall structure of the present invention.
Detailed Description
The present invention will be described more clearly with reference to the accompanying drawings, which are included to illustrate and not to limit the present invention. All other embodiments, which can be obtained by those skilled in the art without any inventive step based on the embodiments of the present invention, should be included in the scope of the present invention.
Example 1
As shown in fig. 1-2, a speed reduction structure of an electric knife rest comprises a first gear 1, a transmission shaft is arranged at the top end of the first gear 1, the transmission shaft is in transmission connection with the output end of a motor and is in rotational connection with an upper end cover, second gears 3 meshed with the first gear 1 are respectively arranged at the left side and the right side of the first gear 1, rotating shafts are respectively and correspondingly arranged at the middle parts of the two second gears 3, the upper end of each rotating shaft is in rotational connection with the upper end cover 2 through a bearing, an eccentric shaft 4 is arranged at the bottom of each rotating shaft, each rotating shaft is in rotational connection with an inner gear ring 8 through a bearing, the upper end of each inner gear ring 8 is in rotational connection with the upper end cover 2, a circle of second transmission teeth (not shown in the figure) is arranged at the middle part in each inner gear ring 8, a plurality of third transmission teeth 9 are arranged at the bottom of each inner gear ring 8, and a retainer 7 is rotationally connected at the lower end of each eccentric shaft 4 through a bearing, 7 tops of holder are equipped with a plurality of spliced poles 6, and 7 tops of holder rotate and be connected with fluted disc 5, be equipped with a plurality of connecting holes on the fluted disc 5, in the connecting hole was arranged in to spliced pole 6, the aperture of connecting hole is greater than spliced pole 6's external diameter, 5 lateral parts of fluted disc are equipped with first transmission tooth, first transmission tooth meshes with the second transmission tooth mutually, 6 tops of spliced pole are connected with upper end cover 2, all be equipped with the pinhole on holder 7, spliced pole 6 and the upper end cover 2, a plurality of pinholes are connected through connecting axle 10.
The number of teeth of first gear 1 is less than the number of teeth of second gear 3, and through the rotation of motor drive first gear 1, first gear 1 drive second gear 3 rotates to realize speed reduction transmission.
The axis of the eccentric shaft 4 is not on the same straight line with the axis of the rotating shaft, and when the eccentric shaft 4 rotates, the outer gear disc 5 is driven to swing, so that the outer gear disc 5 drives the inner gear ring 8 to rotate.
The outer diameter of the outer fluted disc 5 is smaller than the inner diameter of the inner gear ring 8, the number of the first transmission teeth is smaller than that of the second transmission teeth, and speed reduction transmission is realized through a few-tooth differential principle.
When the electric knife rest positioning mechanism is used, the motor drives the first gear 1 to rotate, the first gear 1 drives the second gear 3 to rotate, so that primary speed reduction transmission is realized, the second gear 3 drives the transmission shaft and the eccentric shaft 4 to rotate, the eccentric shaft 4 drives the external gear 5 to swing, the external gear 5 drives the internal gear ring 8 to rotate, secondary speed reduction transmission is realized through a few-tooth differential principle, power output is realized through the internal gear ring 8, and the bottom of the internal gear ring 8 is provided with third transmission teeth 9 corresponding to the electric knife rest fine positioning mechanism, so that the electric knife rest can be accurately positioned.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (4)
1. The utility model provides an electronic knife rest's deceleration structure, includes first gear, its characterized in that: the top end of the first gear is provided with a transmission shaft which is in transmission connection with the output end of the motor, the transmission shaft is in rotational connection with the upper end cover, the left side and the right side of the first gear are respectively provided with a second gear meshed with the first gear, the middle parts of the two second gears are respectively and correspondingly provided with a rotation shaft, the upper end of the rotation shaft is in rotational connection with the upper end cover through a bearing, the bottom of the rotation shaft is provided with an eccentric shaft, the rotation shaft is in rotational connection with an inner gear ring through a bearing, the upper end of the inner gear ring is in rotational connection with the upper end cover, the middle part in the inner gear ring is provided with a circle of second transmission teeth, the bottom of the inner gear ring is provided with a plurality of third transmission teeth, the lower end of the eccentric shaft is in rotational connection with a retainer through a bearing, the top end of the retainer is provided with a plurality of connecting columns, the top end of the retainer is in rotational connection with an outer fluted disc, the plurality of connecting holes are arranged on the outer fluted disc, and the connecting columns are arranged in the connecting holes, the aperture of connecting hole is greater than the external diameter of spliced pole, the fluted disc lateral part is equipped with first transmission tooth, first transmission tooth meshes with the second transmission tooth mutually, the spliced pole top is connected with the upper end cover, all be equipped with the pinhole on holder, spliced pole and the upper end cover, a plurality of pinholes are connected through the connecting axle.
2. The structure of decelerating a motorized blade carrier according to claim 1, wherein: the number of teeth of the first gear is less than that of the second gear.
3. The structure of decelerating a motorized blade carrier according to claim 1, wherein: the axis of the eccentric shaft and the axis of the rotating shaft are not on the same straight line.
4. The structure of decelerating a motorized blade carrier according to claim 1, wherein: the outer diameter of the outer fluted disc is smaller than the inner diameter of the inner gear ring, and the number of the first transmission teeth is smaller than that of the second transmission teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122781922.9U CN216263501U (en) | 2021-11-11 | 2021-11-11 | Speed reduction structure of electric tool rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122781922.9U CN216263501U (en) | 2021-11-11 | 2021-11-11 | Speed reduction structure of electric tool rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216263501U true CN216263501U (en) | 2022-04-12 |
Family
ID=81010109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122781922.9U Active CN216263501U (en) | 2021-11-11 | 2021-11-11 | Speed reduction structure of electric tool rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216263501U (en) |
-
2021
- 2021-11-11 CN CN202122781922.9U patent/CN216263501U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109604673A (en) | A kind of big more drill bit drilling machines of lid of differential carrier | |
| CN216263501U (en) | Speed reduction structure of electric tool rest | |
| CN110293311A (en) | A kind of robot high accurate speed reducer duplex-gear process units and application method | |
| CN111152042A (en) | Numerical control rotary table with torque motor driven by planetary reducer | |
| CN216371302U (en) | Cutting device for gear tooth root circle | |
| CN106838136B (en) | A kind of planet-gear speed reducer | |
| CN209792621U (en) | Electromagnetic double-clutch spindle capable of switching double reduction ratio output | |
| CN211220151U (en) | Planetary double-plane grinding machine | |
| CN208816627U (en) | A kind of robot few teeth difference surmounts harmonic speed reducer device | |
| CN210218593U (en) | Space-saving mechanism for improving speed reduction efficiency | |
| CN213729783U (en) | Chamfering device of arc bevel gear | |
| CN218598740U (en) | Motor speed reducing mechanism | |
| CN212145543U (en) | Device for increasing cutting capacity of table saw | |
| CN220347792U (en) | Fork truck semi-axis processing equipment that punches | |
| CN213575369U (en) | Speed reducing structure for electric tool rest | |
| CN217422050U (en) | Transmission assembly for can seamer | |
| CN110722368A (en) | Main shaft speed change mechanism of planer type milling machine | |
| CN212095277U (en) | Main shaft speed change mechanism of planer type milling machine | |
| CN220971681U (en) | High-rotation-speed high-torque optical dividing disc | |
| CN219786575U (en) | High-precision spherical automatic positioning and attaching device | |
| CN215110320U (en) | Bevel gear gearbox of gantry of numerical control machine tool | |
| CN212146324U (en) | High-precision segmentation rotary table | |
| CN220922172U (en) | Differential mechanism casing clamping device | |
| CN218396939U (en) | Main shaft transmission system of hybrid lathe | |
| CN217619103U (en) | Precise shaft core turning equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |