CN211501527U - Reduction gearbox suitable for large-torque powerful cutting machine tool - Google Patents
Reduction gearbox suitable for large-torque powerful cutting machine tool Download PDFInfo
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- CN211501527U CN211501527U CN202020009454.6U CN202020009454U CN211501527U CN 211501527 U CN211501527 U CN 211501527U CN 202020009454 U CN202020009454 U CN 202020009454U CN 211501527 U CN211501527 U CN 211501527U
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- 238000005520 cutting process Methods 0.000 title claims abstract description 20
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 7
- 238000013024 troubleshooting Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
A reduction box suitable for a large-torque powerful cutting machine tool comprises a box body (1) with an openable top cover and a speed reducing mechanism arranged in the box body; the speed reducing mechanism comprises an input shaft (2), a spline shaft (3) and an output shaft (4) which are parallel to each other, the input shaft is a gear shaft, a first gear (5) and a fourth gear (8) which are meshed with the gear of the gear shaft are arranged on the spline shaft, a second gear (6) and a third gear (7) are arranged on the output shaft, the third gear can be meshed with the fourth gear, a horizontal hydraulic oil cylinder (9) with a shifting fork (10) on a piston rod is arranged above the rear portion of the output shaft, an input shaft belt wheel (11) and an output shaft belt wheel (12) are respectively arranged at the outer ends of the input shaft and the output shaft, the input shaft belt wheel is connected with a belt wheel belt on the output shaft of a cutting machine tool main motor, and the output. The utility model discloses can strengthen independent main shaft torsional moment, stable in structure, the precision is high, easily quick troubleshooting.
Description
Technical Field
The utility model belongs to the technical field of the lathe reducing gear box structure, concretely relates to reducing gear box suitable for powerful smear metal lathe of big moment of torsion.
Background
In a conventional cutting machine, an independent spindle of the cutting machine is mainly driven by a motor directly through a belt D connecting a driving pulley B on an output shaft of a motor a and a driven pulley C on a machine spindle in a motor direct-drive manner as shown in fig. 1. When a machine tool is required to carry out large-torque cutting machining, a gear spindle box structure shown in figure 2 is mainly adopted, a main motor E arranged in a machine tool foot M is connected with a driven pulley G through a driving pulley F by a belt H, power is transmitted to a machine tool reduction box N arranged on a machine tool body Q, a machine tool spindle R is driven to realize turning, and the gear reduction structure is used for increasing the torque of the machine tool spindle to realize heavy chip cutting machining. The main shaft adopting the gear reduction structure has low stability and poor precision, and because the reduction gearbox is a closed box body, the trouble removal in the box is time-consuming and labor-consuming.
Disclosure of Invention
The utility model aims at solving the deficiencies of the above-mentioned prior art existence, provide a can strengthen independent main shaft torsional moment, stable in structure, precision height, and the strong cutting machine's of big moment of torsion reducing gear box that is applicable to of easy quick troubleshooting.
The purpose of the utility model is realized through the following technical scheme:
a reduction box suitable for a large-torque powerful cutting machine tool comprises a box body with an openable top cover and a reduction mechanism arranged in the box body; the speed reducing mechanism comprises an input shaft, a spline shaft and an output shaft which are parallel to each other, the input shaft is a gear shaft, a first gear and a fourth gear which are meshed with the gear of the gear shaft are sleeved on the spline shaft, a second gear and a third gear with the diameter larger than that of the second gear are sleeved on the output shaft, the third gear can be meshed with the fourth gear, a horizontal hydraulic oil cylinder is arranged above the rear part of the output shaft, and a shifting fork is arranged on a piston rod of the horizontal hydraulic oil cylinder; an input shaft belt wheel is arranged at the outer end of the input shaft extending out of the box body, an output shaft belt wheel is arranged at the outer end of the output shaft extending out of the box body, the input shaft belt wheel is connected with a belt wheel on an output shaft of a main motor of the cutting machine tool through a belt, and the output shaft belt wheel is connected with a belt wheel on a main shaft of the machine tool through a belt; the tooth number of the first gear is greater than that of the gear on the gear shaft and that of the fourth gear, the tooth number of the second gear is less than that of the third gear, the tooth numbers of the first gear and the third gear are equal, and the tooth numbers of the second gear and the fourth gear are equal; the input shaft, the spline shaft, the output shaft, the first gear and the second gear form a primary planetary speed reduction structure; the input shaft, the spline shaft, the output shaft, the first gear, the third gear and the fourth gear form a two-stage planetary reduction structure; the shifting fork drives the fourth gear and the first gear on the movable spline shaft to move to realize speed change when the piston rod moves.
The utility model discloses can realize the two-stage speed reduction, can reach a great reduction ratio through the two-stage speed reduction, increase the output torque of lathe main shaft, satisfy the powerful cutting process demand of big moment of torsion. The utility model discloses the structure is firm, and the precision is high, and the case lid can be opened, and the easy access is easily got rid of the trouble fast.
Drawings
FIGS. 1 and 2 are schematic views of a prior art motor driving a spindle of a machine tool;
FIG. 3 is a schematic view of a high torque power cutting machine incorporating the present invention;
fig. 4 is a schematic structural diagram of the present invention;
FIG. 5 is a schematic view of the internal structure of the cutting box of the present invention;
FIG. 6 is a top view of the detachable case of the present invention;
fig. 7 is a rear view of the case taken apart.
Detailed Description
As shown in fig. 4 to 7, a reduction gearbox suitable for a high-torque powerful cutting machine comprises a box body 1 with an openable top cover 1a and a reduction mechanism arranged in the box body. The speed reducing mechanism comprises an input shaft 2, a spline shaft 3 and an output shaft 4 which are parallel to each other, the input shaft is a gear shaft, a first gear 5 and a fourth gear 8 which are meshed with the gear of the gear shaft are sleeved on the spline shaft, a second gear 6 and a third gear 7 with the diameter larger than that of the second gear are sleeved on the output shaft, the third gear is meshed with the fourth gear, a horizontal hydraulic oil cylinder 9 is arranged at the rear upper part of the output shaft, and a shifting fork 10 is arranged on a piston rod of the horizontal hydraulic oil cylinder. An input shaft belt wheel 11 is arranged at the outer end of the input shaft 2 extending out of the box body, an output shaft belt wheel 12 is arranged at the outer end of the output shaft 3 extending out of the box body, the input shaft belt wheel is connected with a belt wheel on an output shaft of a main motor of the cutting machine tool through a belt, and the output shaft belt wheel is connected with a belt wheel on a main shaft of the machine tool through a belt. The number of teeth of first gear 5 is greater than gear and the 8 number of teeth of fourth gear on the gear shaft, the number of teeth of second gear 6 is less than the number of teeth of third gear 7, and the number of teeth of first gear 5 and third gear 7 equals, and the number of teeth of second gear 6 and fourth gear 8 equals. The input shaft 2, the spline shaft 3, the output shaft 4, the first gear 5 and the second gear 6 form a primary planetary reduction structure. The input shaft 2, the spline shaft 3, the output shaft 4, the first gear 5, the third gear 7 and the fourth gear 8 form a two-stage planetary speed reduction structure, and the input shaft 2 is meshed with the first gear 5 on the spline shaft 3 to drive the fourth gear 8 to be meshed with the third gear 7 on the output shaft 4 so as to realize two-stage speed reduction. The secondary speed reduction is realized by changing the position of the gear on the shaft through the piston rod. When the piston rod moves, the shifting fork drives the fourth gear 8 and the first gear 5 on the movable spline shaft 3 to move so as to realize speed change.
As shown in figure 3, the utility model is arranged between the output shaft of the main motor and the main shaft of the machine tool, the input shaft belt wheel is connected with the belt wheel on the output shaft of the main motor of the cutting machine tool through a first belt 13, and the output shaft belt wheel is connected with the belt wheel on the main shaft 15 of the machine tool through a second belt 14. The working process is as follows: the main motor 16 is started to drive the input shaft to rotate, then drive the spline shaft to rotate, and further drive the output shaft to rotate. The planetary speed reduction mechanism is used for reducing speed at the first stage, and then the position of the gear on the shaft is changed through the piston rod to realize speed reduction at the second stage, so that a larger speed reduction ratio is achieved, the output torque of the machine tool spindle is increased, and the requirement of large-torque powerful cutting machining is met.
Claims (1)
1. A reduction box suitable for a large-torque powerful cutting machine tool is characterized by comprising a box body (1) with an openable top cover (1a) and a reduction mechanism arranged in the box body; the speed reducing mechanism comprises an input shaft (2), a spline shaft (3) and an output shaft (4) which are parallel to each other, the input shaft is a gear shaft, a first gear (5) and a fourth gear (8) which are meshed with the gear of the gear shaft are sleeved on the spline shaft, a second gear (6) and a third gear (7) with the diameter larger than that of the second gear are sleeved on the output shaft, the third gear can be meshed with the fourth gear, a horizontal hydraulic oil cylinder (9) is arranged above the rear part of the output shaft, and a shifting fork (10) is arranged on a piston rod of the horizontal hydraulic oil cylinder; an input shaft belt wheel (11) is installed at the outer end of the input shaft (2) extending out of the box body, an output shaft belt wheel (12) is installed at the outer end of the output shaft (4) extending out of the box body, the input shaft belt wheel is connected with a belt wheel on an output shaft of a main motor of the cutting machine tool through a belt, and the output shaft belt wheel is connected with a belt wheel on a main shaft of the machine tool through a belt; the number of teeth of the first gear (5) is greater than the number of teeth of the gear on the gear shaft and the fourth gear (8), the number of teeth of the second gear (6) is less than the number of teeth of the third gear (7), the number of teeth of the first gear (5) is equal to that of the third gear (7), and the number of teeth of the second gear (6) is equal to that of the fourth gear (8); the input shaft (2), the spline shaft (3), the output shaft (4), the first gear (5) and the second gear (6) form a primary planetary reduction structure; the input shaft (2), the spline shaft (3), the output shaft (4), the first gear (5), the third gear (7) and the fourth gear (8) form a two-stage planetary reduction structure; the shifting fork drives the fourth gear and the first gear on the movable spline shaft to move to realize speed change when the piston rod moves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020009454.6U CN211501527U (en) | 2020-01-03 | 2020-01-03 | Reduction gearbox suitable for large-torque powerful cutting machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020009454.6U CN211501527U (en) | 2020-01-03 | 2020-01-03 | Reduction gearbox suitable for large-torque powerful cutting machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211501527U true CN211501527U (en) | 2020-09-15 |
Family
ID=72398448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020009454.6U Active CN211501527U (en) | 2020-01-03 | 2020-01-03 | Reduction gearbox suitable for large-torque powerful cutting machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211501527U (en) |
-
2020
- 2020-01-03 CN CN202020009454.6U patent/CN211501527U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A gearbox suitable for high torque and strong cutting machine tools Granted publication date: 20200915 Pledgee: China Construction Bank Corporation Kunming Chengxi Branch Pledgor: YUNNAN JING JI HU ZHENG MACHINERY CO.,LTD. Registration number: Y2024980029659 |