CN216200197U - High-precision large-torque speed reducing mechanism for numerical control profiling milling of camshaft - Google Patents
High-precision large-torque speed reducing mechanism for numerical control profiling milling of camshaft Download PDFInfo
- Publication number
- CN216200197U CN216200197U CN202122284487.9U CN202122284487U CN216200197U CN 216200197 U CN216200197 U CN 216200197U CN 202122284487 U CN202122284487 U CN 202122284487U CN 216200197 U CN216200197 U CN 216200197U
- Authority
- CN
- China
- Prior art keywords
- servo motor
- shaft
- bevel gear
- spiral bevel
- box body
- 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
- Transmission Devices (AREA)
- Gear Transmission (AREA)
Abstract
The utility model discloses a high-precision large-torque speed reducing mechanism for a numerical control copying milling of a camshaft, which comprises a box body; a tapered roller bearing III is arranged on the left side of the inner hole of the box body to hold the left end of the output shaft, and a tapered roller bearing V is arranged on the horizontal right side of the box body to hold the right end of the output shaft; the output shaft is connected with a big spiral bevel gear; a bearing seat is arranged in the upper hole of the box body; a conical bearing II is arranged at the lower part of the internal control of the bearing seat, a conical roller bearing I is arranged at the upper part of the internal control of the bearing seat, and a small spiral bevel gear is arranged at the lower part of the multifunctional integral shaft; the upper end of the multifunctional integral shaft is provided with a planetary gear; the upper part of the bearing seat is provided with a fixed inner gear sleeve, the upper end of the bearing seat is provided with a servo motor fixing seat, and the upper end of the fixing seat is provided with a servo motor; the servo motor is connected with the input shaft and the sun gear through the integral expansion sleeve. The mechanism drives the input shaft by the servo motor, has high precision, stable operation, large transmission torque, firm connection, small volume and convenient speed regulation, optimizes the production beat and greatly improves the working efficiency.
Description
Technical Field
The utility model relates to a high-precision large-torque speed reducing mechanism for a numerical control copying milling machine of a camshaft, and belongs to the technical field of processing various cam-shaped line structures of the camshaft.
Background
The camshaft machining equipment is a special machine tool in the internal combustion engine manufacturing industry. The numerical control profiling milling high-precision large-torque speed reducing mechanism of the camshaft is an indispensable component for machining the camshaft, and the power head in the current domestic market is large in size, low in precision and small in torque, cannot meet the requirement of a high-precision camshaft machining process, and cannot meet the requirement of customers in the industry.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a high-precision large-torque speed reducing mechanism for a numerical control profile milling machine of a camshaft, so as to solve the technical problems.
In order to achieve the purpose, the utility model adopts the technical scheme that: a camshaft numerical control profiling milling high-precision large-torque speed reducing mechanism comprises a box body; a tapered roller bearing III is arranged on the left side of the inner hole of the box body to hold the left end of the output shaft, and the tapered roller bearing III is fixedly connected with the output shaft through an axial locking nut III; a tapered roller bearing V is arranged on the horizontal right side of the box body to hold the right end of the output shaft, and the tapered roller bearing V is fixedly connected with the output shaft through an axial locking nut I;
a big spiral bevel gear is connected to the output shaft; a bearing seat is arranged in the upper hole of the box body; the bearing block is integrally connected with the box body; the lower part of the inner control of the bearing block is provided with a conical bearing II which holds the lower end of the multifunctional integral shaft; the upper part of the inner control of the bearing block is provided with a tapered roller bearing I which holds the upper end of the multifunctional integral shaft; an axial locking nut II is connected between the conical roller bearing I and the multifunctional integral shaft;
the lower part of the multifunctional integral shaft is provided with a small spiral bevel gear; a group of planetary gears is arranged at the upper end of the multifunctional integral shaft; a pin shaft is arranged in the inner hole of the planetary gear; gaskets are respectively arranged at the upper part and the lower part of the planetary gear; the upper part of the bearing seat is provided with a fixed inner gear sleeve which is meshed with the gear grooves of the planet gears; the upper end of the fixed inner gear sleeve is provided with a servo motor fixing seat; the upper end of the servo motor fixing seat is provided with a servo motor; the servo motor is connected with the input shaft and the sun gear through the integral expansion sleeve; so that the sun gear drives a group of planet gears to normally run along the fixed internal gear sleeve in a speed reduction way.
Furthermore, a group of expansion sleeves II are arranged in the inner hole of the large spiral bevel gear; the second expansion sleeve enables the large spiral bevel gear to be tightly fixed with the output shaft through the second gland.
Furthermore, a group of expansion sleeves I are arranged in the inner hole of the small spiral bevel gear; the first expansion sleeve enables the small spiral bevel gear and the multifunctional integral shaft to be tightly fixed through the first pressing cover.
Furthermore, a fine adjustment screw is connected between the big spiral bevel gear and the small spiral bevel gear.
Furthermore, the side of the servo motor fixing seat is provided with a fastening screw, so that the input shaft is connected with the servo motor into a whole through the integral expansion sleeve.
Furthermore, the servo motor fixing seat is fixedly connected with the servo motor through a flange.
The utility model has the beneficial effects that: the high-precision large-torque speed reducing mechanism for the numerical control copying milling of the camshaft, provided by the utility model, has the advantages of small volume, large torque, large speed reducing ratio, high precision, convenience in adjustment, matching with a servo motor of a numerical control system and long service life, and the mechanism adopts the servo motor to drive the input shaft, so that the precision is high, the operation is stable, the transmission torque is large, the connection is firm, the speed regulation is convenient, the production beat is optimized, and the working efficiency is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the device comprises a box body, 2, a large spiral bevel gear, 3, an output shaft, 4, axial locking nuts I, 5, a small spiral bevel gear, 6, a bearing seat, 7, axial locking nuts II, 8, a multifunctional integral shaft, 9, a sun gear, 10, an input shaft, 11, an integral expansion sleeve, 12, a flange, 13, a servo motor, 14, a servo motor fixing seat, 15, a fastening screw, 16, a fixed inner gear sleeve, 17, a pin shaft, 18, a gasket, 19, a planetary gear, 20, a fine adjustment screw, 21, a tapered roller bearing I, 22, an expansion sleeve I, 23, a tapered roller bearing II, 24, a gland I, 25, a tapered roller bearing III, 26, an axial locking nut III, 27, a tapered roller bearing IV, 28, an expansion sleeve II, 29, a gland II, 30 and a tapered roller bearing V.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the utility model and not to limit the scope of the utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in FIG. 1, a high-precision large-torque speed reducing mechanism for a numerical control cam shaft copying mill comprises a box body 1; a tapered roller bearing III 25 is arranged on the left side of an inner hole of the box body 1 to hold the left end of the output shaft 3, and the tapered roller bearing III 25 is fixedly connected with the output shaft 3 through an axial locking nut III 26; a tapered roller bearing five 30 is arranged on the horizontal right side of the box body 1 to hold the right end of the output shaft 3, and the tapered roller bearing five 30 is fixedly connected with the output shaft 3 through an axial locking nut one 4;
a large spiral bevel gear 2 is connected to the output shaft 3; a bearing seat 6 is arranged in an upper hole of the box body 1; the bearing seat 6 is integrally connected with the box body 1; a conical bearing II 23 is arranged at the lower part of the inner control of the bearing seat 6 and is used for holding the lower end of the multifunctional integral shaft 8; the upper part of the inner control of the bearing block 6 is provided with a tapered roller bearing I21 which holds the upper end of the multifunctional integral shaft 8; a second axial locking nut 7 is connected between the first conical roller bearing 21 and the multifunctional integral shaft 8; the axial clearance of the multifunctional integral shaft 8 is controlled and adjusted by the first tapered roller bearing 21 and the second tapered roller bearing 23 and then is locked by the second axial locking nut 7.
The lower part of the multifunctional integral shaft 8 is provided with a small spiral bevel gear 5; the upper end of the multifunctional integral shaft 8 is provided with a group of planetary gears 19; a pin shaft 17 is arranged in an inner hole of the planetary gear 19; the upper part and the lower part of the planetary gear 19 are respectively provided with a gasket 18; the upper part of the bearing seat 6 is provided with a fixed internal gear sleeve 16 which is meshed with a tooth groove of the planetary gear 19; a servo motor fixing seat 14 is arranged at the upper end of the fixed internal gear sleeve 16; the servo motor 13 is arranged at the upper end of the servo motor fixing seat 14; the servo motor 13 is connected with the input shaft 10 and the sun gear 9 through the integral expansion sleeve 11; the sun gear 9 drives a group of planet gears 19 to normally run along the fixed inner gear sleeve 16 in a speed reduction way, the planet gears 19 and the multifunctional integral shaft 8 are integrated and connected through the pin shaft 17, and zero clearance is ensured during running.
In the preferred embodiment, the inner hole of the big spiral bevel gear 2 is provided with a group of second expansion sleeves 28; the second expansion sleeve 28 enables the large spiral bevel gear 2 and the output shaft 3 to be tightly fixed through the second gland 29.
In the preferred embodiment, the inner hole of the small spiral bevel gear 5 is provided with a group of expansion sleeves 22; the expansion sleeve I22 enables the small spiral bevel gear 5 to be tightly fixed with the multifunctional integral shaft 8 through the gland I24.
In the present embodiment, a fine adjustment screw 20 is preferably connected between the large spiral bevel gear 2 and the small spiral bevel gear 5. The fine adjustment screw 20 is used for adjusting the meshing clearance between the large spiral bevel gear 2 and the small spiral bevel gear 5, and ensuring the normal operation of the speed reducing mechanism.
The power is transmitted to the big spiral bevel gear 2 by the small spiral bevel gear 5, so that the output shaft 3 rotates at low speed under the holding of the tapered roller bearing IV 27 and the tapered roller bearing V30, and the sufficient torque and high-precision speed processing cooperation product is ensured.
In the preferred embodiment, a set screw 15 is disposed on the side of the servo motor fixing seat 14, which enables the input shaft 10 to be connected with the servo motor 13 as a whole through the integral expansion sleeve 11.
In the preferred embodiment, the servo motor fixing seat 14 is fixedly connected with the servo motor 13 through the flange 12.
The large spiral bevel gear 2 is arranged on the output shaft 3 and is fixed by a group of expansion sleeve II 28 and a gland II 29, and the small spiral bevel gear 5 is arranged on the multifunctional integral shaft 8 and is fixed by a group of expansion sleeve I22 and a gland I23; and a servo motor 13 shaft is fixed on the input shaft 10 and is screwed up by the integral expansion sleeve 11 and the fastening screw 15, the fastening is large in damping and strong in torque, two parts are really integrated, the stable operation of the large reduction ratio speed reducing mechanism is ensured, and the installation and the adjustment are convenient.
The mechanism is characterized in that power input by a servo motor 13 is transmitted through a sun gear 9 under the holding of a bearing. A group of planetary gears 19 drives the small spiral bevel gear 5 to achieve the purpose of first-stage speed reduction of the mechanism, and then the small spiral bevel gear 5 rotating at a low speed is transmitted to the large spiral bevel gear 2, so that the output shaft 3 rotates at a very low speed, and the requirements of large torque and low rotating speed of the mechanism design are met.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A camshaft numerical control profiling milling high-precision large-torque speed reducing mechanism is characterized by comprising a box body (1); a tapered roller bearing III (25) is arranged on the left side of an inner hole of the box body (1) and used for holding the left end of the output shaft (3), and the tapered roller bearing III (25) is fixedly connected with the output shaft (3) through an axial locking nut III (26); a tapered roller bearing five (30) is arranged on the horizontal right side of the box body (1) to hold the right end of the output shaft (3), and the tapered roller bearing five (30) is fixedly connected with the output shaft (3) through an axial locking nut one (4);
the output shaft (3) is connected with a big spiral bevel gear (2); a bearing seat (6) is arranged in an upper hole of the box body (1); the bearing seat (6) is integrally connected with the box body (1); a conical bearing II (23) is arranged at the lower part of the inner control of the bearing seat (6) and is used for holding the lower end of the multifunctional integral shaft (8); the upper part of the inner control of the bearing seat (6) is provided with a tapered roller bearing I (21) which holds the upper end of the multifunctional integral shaft (8); a second axial locking nut (7) is connected between the first conical roller bearing (21) and the multifunctional integral shaft (8);
a small spiral bevel gear (5) is arranged at the lower part of the multifunctional integral shaft (8); the upper end of the multifunctional integral shaft (8) is provided with a group of planetary gears (19); a pin shaft (17) is arranged in an inner hole of the planetary gear (19); gaskets (18) are respectively arranged at the upper part and the lower part of the planetary gear (19); the upper part of the bearing seat (6) is provided with a fixed internal gear sleeve (16) which is meshed with a tooth groove of the planetary gear (19); a servo motor fixing seat (14) is arranged at the upper end of the fixed internal gear sleeve (16); a servo motor (13) is arranged at the upper end of the servo motor fixing seat (14); the servo motor (13) is connected with the input shaft (10) and the sun gear (9) through the integral expansion sleeve (11); so that the sun gear (9) drives a group of planet gears (19) to normally run along the fixed internal gear sleeve (16) in a speed reduction way.
2. The high-precision large-torque speed reducing mechanism for the numerical control profiling milling of the camshaft as claimed in claim 1, wherein a set of second expansion sleeves (28) is arranged in an inner hole of the large spiral bevel gear (2); the second expansion sleeve (28) enables the big spiral bevel gear (2) to be tightly fixed with the output shaft (3) through the second gland (29).
3. The high-precision large-torque speed reducing mechanism for the numerical control cam shaft contour milling of the claim 1 is characterized in that a group of expansion sleeves (22) are arranged in an inner hole of the small spiral bevel gear (5); the expansion sleeve I (22) enables the small spiral bevel gear (5) and the multifunctional integral shaft (8) to be tightly fixed through the gland I (24).
4. The high-precision large-torque speed reducing mechanism for the numerical control profiling milling of the camshaft as claimed in claim 1, wherein a fine adjustment screw (20) is connected between the large spiral bevel gear (2) and the small spiral bevel gear (5).
5. The high-precision large-torque speed reducing mechanism for the numerical control copying milling of the camshaft as claimed in claim 1, characterized in that a set screw (15) is arranged on the side of the servo motor fixing seat (14) and enables the input shaft (10) to be connected with the servo motor (13) into a whole through an integral expansion sleeve (11).
6. The high-precision large-torque speed reducing mechanism for the numerical control copying milling of the camshaft as claimed in claim 1, characterized in that the servo motor fixing seat (14) is fixedly connected with the servo motor (13) through a flange (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122284487.9U CN216200197U (en) | 2021-09-22 | 2021-09-22 | High-precision large-torque speed reducing mechanism for numerical control profiling milling of camshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122284487.9U CN216200197U (en) | 2021-09-22 | 2021-09-22 | High-precision large-torque speed reducing mechanism for numerical control profiling milling of camshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216200197U true CN216200197U (en) | 2022-04-05 |
Family
ID=80921878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122284487.9U Active CN216200197U (en) | 2021-09-22 | 2021-09-22 | High-precision large-torque speed reducing mechanism for numerical control profiling milling of camshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216200197U (en) |
-
2021
- 2021-09-22 CN CN202122284487.9U patent/CN216200197U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106286718A (en) | A kind of combination type double helical tooth planetary actuating device of adjustable sideshake | |
| CN113404820B (en) | Adjustable-gap multi-crank variable-tooth-thickness precision transmission device | |
| CN102691576B (en) | Power transmission mechanism of gas compressor and turbine | |
| CN216200197U (en) | High-precision large-torque speed reducing mechanism for numerical control profiling milling of camshaft | |
| CN105465315B (en) | It is a kind of to enter scene 2 formula combination mechanical differential more | |
| CN113531060A (en) | Inverted-buckle type planet wheel rotating frame, planet speed reducer and machining process of inverted-buckle type planet wheel rotating frame | |
| CN204153064U (en) | A kind of self compensation zero back clearance planetary transmission retarder | |
| CN215444991U (en) | Hand-operated power distribution device | |
| CN213628816U (en) | Planetary gear speed reducer | |
| CN201827300U (en) | X-axis reduction gearbox for boring-milling machine | |
| CN115126838A (en) | Double-freedom-degree mechanical arm with adjustable backlash based on conical worm transmission | |
| CN206206510U (en) | A kind of combined type double helical tooth planetary transmission device of adjustable sideshake | |
| CN213899872U (en) | Novel perpendicular cantilever seal structure | |
| CN101804468A (en) | Direct-connection type speeding-up dynamic tool apron for turning center | |
| CN210715753U (en) | Novel right-angle speed reducer | |
| CN111843903B (en) | Structure and design method of fixed-torque bolt sleeve | |
| CN112762086A (en) | Transmission shaft structure | |
| CN207261607U (en) | Tractor differential assembly adjustment structure | |
| CN107414510B (en) | A kind of NC rotary table of adjustable transmission ratio | |
| CN110131399A (en) | Combined type precise planet-gear speed reducer | |
| CN214999266U (en) | Bilateral drive gear synchronous transmission device | |
| CN212106859U (en) | Planetary reducer that stability is high | |
| CN216830633U (en) | Parallel variable speed interface device of screw tightening system | |
| CN220227765U (en) | Integrated tooth shaft planetary reducer | |
| CN220850675U (en) | High-reliability lightweight anchor hinge machine gear box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |