CN221047318U - Gearbox main shaft structure for numerical control milling and drilling machine - Google Patents
Gearbox main shaft structure for numerical control milling and drilling machine Download PDFInfo
- Publication number
- CN221047318U CN221047318U CN202322540810.3U CN202322540810U CN221047318U CN 221047318 U CN221047318 U CN 221047318U CN 202322540810 U CN202322540810 U CN 202322540810U CN 221047318 U CN221047318 U CN 221047318U
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- gear
- main shaft
- driving gear
- motor
- driven gear
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- 238000005553 drilling Methods 0.000 title claims abstract description 17
- 238000003801 milling Methods 0.000 title claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000001276 controlling effect Effects 0.000 claims description 8
- 238000003754 machining Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a gearbox main shaft structure for a numerical control milling and drilling machine, and belongs to the technical field of milling and drilling machines. Including electrical apparatus case and protection casing, the inside of protection casing is equipped with motor band pulley and drive wheel, motor band pulley's one end and motor output shaft, the inside of protection casing still is equipped with the driving gear, the one end and the output shaft of gear motor of driving gear, the driving gear is installed on the hanging wheel frame, the driving gear meshes with the second driven gear of its side top, the second driven gear meshes with the internal gear of its side, the inboard of internal gear is equipped with the external gear the same with its axial lead, the external gear meshes with the first driven gear of its side top, the driven gear of first driven gear and its side top meshes, driven gear's center department is equipped with the main shaft. According to the utility model, the hanging wheel frame is added in the gear transmission structure, and the gear is utilized to realize the circulation speed change adjustment, so that the stable high-precision speed change adjustment can be carried out, and the machining precision of the main shaft is greatly improved.
Description
Technical Field
The utility model relates to the technical field of drilling and milling machines, in particular to a gearbox main shaft structure for a numerical control drilling and milling machine.
Background
The numerical control drilling and milling machine is machining equipment integrating machining procedures such as drilling, milling and boring, and the like, and in order to realize the low-speed high-torque drilling function of a main shaft, a 4-stage manual or automatic speed change and main shaft servo motor is adopted by the main speed change system of the machine tool to realize the structure form of stepless speed regulation in each stage of the main shaft. The high speed is mainly used for small hole machining and milling, and the low speed is mainly used for large hole drilling.
In the spindle speed changing structure of the numerical control milling machine, the spindle generally realizes stepless speed regulation only through a servo motor during speed changing, and the gear cannot perform high-precision compound motion regulation in the regulation process, so that the machining precision of the spindle is affected.
Disclosure of utility model
In order to solve the problems, the utility model provides a gearbox main shaft structure for a numerical control milling and drilling machine.
The utility model is realized by the following technical scheme:
The utility model provides a gearbox main shaft structure for numerical control milling and drilling machine, includes electrical apparatus case and protection casing, the inside of protection casing is equipped with motor pulley and drive wheel, be connected with the belt between motor pulley and the drive wheel, motor pulley's one end and motor output shaft, the motor passes through the motor mount pad to be fixed in the inside of protection casing, the inside of protection casing still is equipped with the driving gear, the one end of driving gear and the output shaft of gear change motor, the driving gear is installed on the hanging wheel frame, the driving gear meshes with the second driven gear of its side top, the second driven gear meshes with the internal gear of its side, the inboard of internal gear is equipped with the external gear the same as its axial lead, the first driven gear meshes with the driven gear of its side top, driven gear's center department is equipped with the main shaft, the lateral surface of protection casing is equipped with speed governing handle and shift adjusting knob, speed governing knob is used for controlling the rotational speed adjustment of driving gear.
The main shaft is installed in the headstock, and the headstock is connected with the inner wall of protection casing through headstock locating piece.
The belt adopts a cover V belt.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the hanging wheel frame is added in the gear transmission structure, and the gear is utilized to realize the circulation speed change adjustment, so that the stable high-precision speed change adjustment can be carried out, and the machining precision of the main shaft is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1. an electric appliance box; 2. a protective cover; 3. a motor belt wheel; 4. a belt; 5. a spindle box positioning block; 6. a driving wheel; 7. a main shaft; 8. a first driven gear; 9. an external gear; 10. an internal gear; 11. a second driven gear; 12. a drive gear; 13. a shift knob; 14. a hanging wheel frame; 15. a speed regulating handle; 16. a motor mounting seat; 17. a driven gear.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
As shown in figure 1 of the specification drawings, the gearbox main shaft structure for the numerical control milling and drilling machine comprises an electric appliance box 1 and a protective cover 2, wherein a motor belt pulley 3 and a driving wheel 6 are arranged in the protective cover 2, a belt 4 is connected between the motor belt pulley 3 and the driving wheel 6, one end of the motor belt pulley 3 is connected with an output shaft of the motor, the motor is fixed in the protective cover 2 through a motor mounting seat 16, a driving gear 12 is further arranged in the protective cover 2, one end of the driving gear 12 is connected with an output shaft of a variable speed motor, the driving gear 12 is arranged on a hanging wheel frame 14, the driving gear 12 is meshed with a second driven gear 11 above the side surface of the driving gear 12, the second driven gear 11 is meshed with an inner gear 10 above the driving gear, an outer gear 9 with the same axis line of the inner gear 10 is arranged on the inner side of the inner gear, the outer gear 9 is meshed with a first driven gear 8 above the side surface of the outer gear 9, the first driven gear 8 is meshed with a driven gear 17 above the side surface of the outer gear, a main shaft 7 is arranged at the center of the driven gear 17, a speed regulating handle 15 and a handle 13 are arranged on the outer side surface of the protective cover 2, the motor speed regulating button 15 is used for controlling the rotation speed of the driving gear 3, and the speed of the driving gear is regulated by regulating the speed of the driving gear 13.
The main shaft 7 is arranged in a main shaft box, and the main shaft box is connected with the inner wall of the protective cover 2 through a main shaft box positioning block 5.
The belt 4 is a cover V belt.
Example 1
The utility model provides a gearbox main shaft structure for numerically controlled drilling and milling machine, including electrical apparatus case 1 and protection casing 2, the inside of protection casing 2 is equipped with motor pulley 3 and drive wheel 6, be connected with belt 4 between motor pulley 3 and the drive wheel 6, motor pulley 3's one end and motor output shaft, the inside at protection casing 2 is fixed through motor mount pad 16, the inside of protection casing 2 still is equipped with driving gear 12, driving gear 12's one end and variable speed motor's output shaft, driving gear 12 installs on hanging wheel frame 14, driving gear 12 meshes with the second driven gear 11 of its side top, second driven gear 11 meshes with the internal gear 10 of its side, the inboard of internal gear 10 is equipped with the external gear 9 of its axial lead the same, external gear 9 meshes with the first driven gear 8 of its side top, the driven gear 8 meshes with the driven gear 17 of its side top, the center department of driven gear 17 is equipped with main shaft 7, the lateral surface of protection casing 2 is equipped with speed governing handle 15 and shift knob 13, speed governing handle 15 is used for controlling motor pulley 3's rotational speed regulation, shift knob 13 is used for controlling driving gear 12's rotational speed regulation.
The main shaft 7 is arranged in a main shaft box, and the main shaft box is connected with the inner wall of the protective cover 2 through a main shaft box positioning block 5.
In this embodiment, the speed regulating handle 15 is used for controlling the rotation speed of the motor pulley 3 to regulate, and the speed of the driving wheel 6 can be changed by regulating the speed regulating handle 15, and the inside of the driving wheel can be connected with a screw rod structure.
In this embodiment, the shift adjusting knob 13 is used for controlling the rotation speed adjustment of the driving gear 12, and the driving gear 12 drives the gear set to realize the speed adjustment, and finally realizes the speed adjustment of the spindle rotation; in the structure, the driving gear 12 is arranged on the hanging wheel frame 14, so that gear circulation speed change can be realized, meanwhile, compound motion of the gears can be realized, stable high-precision speed change adjustment can be performed, and the machining precision of the main shaft is greatly improved.
In the embodiment, the belt 4 in the structure adopts a cover V belt, and has the advantages of good elasticity and flexibility, capability of absorbing vibration, buffering impact, stable transmission and small noise.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, but rather the equivalent variations and modifications in shape, construction, characteristics and spirit according to the scope of the claims should be construed to be included in the scope of the claims.
Claims (3)
1. The utility model provides a gearbox main shaft structure for numerical control milling and drilling machine which characterized in that: comprises an electric appliance box (1) and a protective cover (2), wherein a motor belt pulley (3) and a driving wheel (6) are arranged in the protective cover (2), a belt (4) is connected between the motor belt pulley (3) and the driving wheel (6), one end of the motor belt pulley (3) is connected with an output shaft of the motor, the motor is fixed in the protective cover (2) through a motor mounting seat (16), a driving gear (12) is further arranged in the protective cover (2), one end of the driving gear (12) is connected with an output shaft of a variable speed motor, the driving gear (12) is arranged on a hanging wheel frame (14), the driving gear (12) is meshed with a second driven gear (11) above the side surface of the driving gear (12), the second driven gear (11) is meshed with an inner gear (10) on the side surface of the driving gear, the inner side surface of the inner gear (10) is provided with an outer gear (9) which is identical to the axis line of the driving gear, the first driven gear (8) above the side surface of the outer gear (9) is meshed with a driven gear (17) above the side surface of the driving gear, the driving gear (8) is meshed with a driven gear (17) above the side surface of the driving gear, the driving gear (12) is provided with a speed regulating knob (15) above the center gear (7), the speed regulating handle (15) is used for controlling the rotation speed regulation of the motor belt wheel (3), and the gear shifting regulating button (13) is used for controlling the rotation speed regulation of the driving gear (12).
2. The gearbox main shaft structure for a numerical control drilling and milling machine according to claim 1, wherein: the main shaft (7) is arranged in a main shaft box, and the main shaft box is connected with the inner wall of the protective cover (2) through a main shaft box positioning block (5).
3. The gearbox main shaft structure for a numerical control drilling and milling machine according to claim 1, wherein: the belt (4) adopts a cover V belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322540810.3U CN221047318U (en) | 2023-09-19 | 2023-09-19 | Gearbox main shaft structure for numerical control milling and drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322540810.3U CN221047318U (en) | 2023-09-19 | 2023-09-19 | Gearbox main shaft structure for numerical control milling and drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221047318U true CN221047318U (en) | 2024-05-31 |
Family
ID=91203480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322540810.3U Active CN221047318U (en) | 2023-09-19 | 2023-09-19 | Gearbox main shaft structure for numerical control milling and drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221047318U (en) |
-
2023
- 2023-09-19 CN CN202322540810.3U patent/CN221047318U/en active Active
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