CN216555254U - High-power parallel shaft cold saw cutting speed reducer - Google Patents
High-power parallel shaft cold saw cutting speed reducer Download PDFInfo
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- CN216555254U CN216555254U CN202122264649.2U CN202122264649U CN216555254U CN 216555254 U CN216555254 U CN 216555254U CN 202122264649 U CN202122264649 U CN 202122264649U CN 216555254 U CN216555254 U CN 216555254U
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Abstract
A high-power parallel shaft cold saw cutting speed reducer comprises a box body, wherein an input gear shaft, a middle gear set and an output shaft which are parallel to each other are arranged in the box body, an output gear is sleeved on the output shaft, the bottom edge of one side, close to the output of the output shaft, of the box body is perpendicular to the output shaft, two first tapered roller bearings which are arranged back to back are sleeved between the output end of the output shaft and the box body, a first cylindrical roller bearing is sleeved between the inner end of the output shaft and the box body, the first cylindrical roller bearing is arranged at the inner end of the output shaft through a round nut and a stop gasket, an oil seal is sleeved between the output end of the output shaft and a port of the box body, and a flange seat for installing a saw blade is installed on the output shaft positioned on the outer side of the box body through an installing bolt; the utility model has the advantages of simple structure, reasonable design, high cutting precision, convenient maintenance and the like.
Description
Technical Field
The utility model relates to a speed reducer, in particular to a high-power parallel shaft cold saw cutting speed reducer.
Background
In the process of metal sawing, heat generated when saw blades saw the workpiece is transferred to saw dust through the saw teeth, the sawed workpiece and the saw blades are kept cooled, so that the cold sawing machine is used for cutting metal, the hardness of the material of the cut workpiece is not changed, the surface precision of the workpiece is high, burrs are avoided, the cutting efficiency is high, and therefore the cold sawing technology is more and more widely applied. When the cutting of steel pipe, because some pipe materials cutting because equipment is simple and crude, in addition be manual operation, so hardly guarantee the cutting quality of pipe fitting terminal surface and the straightness that hangs down of terminal surface and pipe fitting, consequently lead to some still need carry out secondary operation to the pipe fitting terminal surface under the occasion that requires high to the pipe fitting terminal surface, seriously influence production efficiency, increased manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a high-power parallel shaft cold saw cutting speed reducer which is simple in structure, reasonable in design, high in cutting precision and convenient to maintain.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a high-power parallel shaft cold saw cutting speed reducer comprises a box body, wherein an input gear shaft and an output shaft which are parallel to each other are arranged in the box body, an output gear is sleeved on the output shaft, a middle gear set which is meshed with the input gear shaft and the output gear respectively is arranged in the box body, the bottom edge of one side, close to the output of the output shaft, of the box body is perpendicular to the output shaft, two first conical roller bearings are sleeved between the output end of the output shaft and the box body and are arranged between the output shaft and the box body back to back, a first cylindrical roller bearing is sleeved between the inner end of the output shaft and the box body and is arranged at the inner end of the output shaft through a round nut, a stop gasket is arranged between the first cylindrical roller bearing and the round nut, and an oil seal is sleeved between the output end of the output shaft and a port of the box body, and a flange seat for installing a saw blade is arranged on the output shaft positioned outside the box body through a mounting bolt.
Preferably, the intermediate gear set comprises a first intermediate shaft and a second intermediate shaft, a first transmission gear and a second transmission gear are sleeved on the first intermediate shaft, a third transmission gear and a fourth transmission gear are sleeved on the second intermediate shaft, the first transmission gear is meshed with the input gear shaft, the second transmission gear is meshed with the third transmission gear, and the fourth transmission gear is meshed with the output gear.
Preferably, a second tapered roller bearing is sleeved between each of the two ends of the first intermediate shaft and the second intermediate shaft and the box body.
Preferably, a third conical roller bearing is sleeved between each of the two ends of the input gear shaft and the box body, and a second cylindrical roller bearing is further sleeved between the outer side of the third conical roller bearing and the box body at the input end of the input gear shaft.
Preferably, the first transmission gear, the second transmission gear, the third transmission gear, the fourth transmission gear and the output gear are all machined from 20CrMnMo materials.
The utility model has the beneficial effects that: 1. the flange plate for mounting the saw blade is fixed on the output end of the output shaft through the mounting bolt, when the oil seal of the output shaft is replaced, the flange plate can be detached, the oil seal is greatly convenient to replace, and when one of the flange plate or the output shaft is damaged, the flange plate or the output shaft can be replaced singly, so that the replacement cost is reduced; 2. the output end of the output shaft adopts first tapered roller bearings arranged back to back, and the inner end of the output shaft adopts a round nut and a stop washer to adjust the axial and radial gaps of the first cylindrical roller bearings, so that the requirements of the outer circle run-out and the end face run-out of the output shaft during working are met; 3. the bottom edge of one side of the box body, which is close to the output of the output shaft, is vertical to the output shaft, so that the installation and the use of the speed reducer are facilitated, the cutting flatness of the end face of the pipe material is improved, and a reference is also provided for the length dimension; 4. the input gear shaft, the first intermediate shaft, the second intermediate shaft and the output shaft are arranged in parallel, the operation stability is improved, and the first transmission gear, the second transmission gear, the third transmission gear, the fourth transmission gear and the output gear are all made of 20CrMnMo materials, so that the strength of the whole machine is improved, and the service life of the whole machine is prolonged.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
In the figure: 1. a box body; 2. an input gear shaft; 3. an output shaft; 4. an output gear; 5. a first tapered roller bearing; 6. a first cylindrical roller bearing; 7. a round nut; 8. a stopper spacer; 9. oil sealing; 10. a flange seat; 11. a first intermediate shaft; 12. a second intermediate shaft; 13. a first drive gear; 14. A second transmission gear; 15. a third transmission gear; 16. a fourth transmission gear; 17. a second tapered roller bearing; 18. a third tapered roller bearing; 19. a second cylindrical roller bearing; 20. and (6) installing a bolt.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings.
Example (b):
the high-power parallel shaft cold saw cutting speed reducer as shown in fig. 1 comprises a box body 1, wherein an input gear shaft 2 and an output shaft 3 which are parallel to each other are arranged in the box body 1, an output gear 4 is sleeved on the output shaft 3, and an intermediate gear set which is respectively meshed with the input gear shaft 2 and the output gear 4 is arranged in the box body 1; a third conical roller bearing 18 is sleeved between each of two ends of the input gear shaft 2 and the box body 1, and a second cylindrical roller bearing 19 is further sleeved between the outer side of the third conical roller bearing 18 and the box body 1 at the input end of the input gear shaft 2; the output end of the output shaft 3 is arranged on the bottom side of one side of the box body 1, which is close to the output end of the output shaft 3, and is perpendicular to the output shaft 3, two first tapered roller bearings 5 are sleeved between the output end of the output shaft 3 and the box body 1, the two first tapered roller bearings 5 are arranged back to back between the output shaft 3 and the box body 1, a first cylindrical roller bearing 6 is sleeved between the inner end of the output shaft 3 and the box body 1, the first cylindrical roller bearing 6 is arranged at the inner end of the output shaft 3 through a round nut 7, a stop gasket 8 is arranged between the first cylindrical roller bearing 6 and the round nut 7, an oil seal 9 is sleeved between the output end of the output shaft 3 and a port of the box body 1, and a flange seat 10 for mounting a saw blade is mounted on the output shaft 3 outside the box body 1 through a mounting bolt 20.
The intermediate gear set comprises a first intermediate shaft 11 and a second intermediate shaft 12, a first transmission gear 13 and a second transmission gear 14 are sleeved on the first intermediate shaft 11, a third transmission gear 15 and a fourth transmission gear 16 are sleeved on the second intermediate shaft 12, the first transmission gear 13 is meshed with the input gear shaft 2, the second transmission gear 14 is meshed with the third transmission gear 15, the fourth transmission gear 16 is meshed with the output gear 4, and a second tapered roller bearing 17 is sleeved between each of two ends of the first intermediate shaft 11 and the second intermediate shaft 12 and the box body 1.
The first transmission gear 13, the second transmission gear 14, the third transmission gear 15, the fourth transmission gear 16 and the output gear 4 are all made of 20CrMnMo materials.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the utility model as set forth in the claims.
Claims (5)
1. The utility model provides a high-power parallel shaft cold saw cuts speed reducer, includes box (1), be equipped with input gear axle (2), output shaft (3) that are parallel to each other in box (1), the cover is equipped with output gear (4) on output shaft (3), box (1) is inherent to be equipped with respectively with input gear axle (2), output gear (4) engaged with intermediate gear group, its characterized in that: the bottom edge of one side of the box body (1) close to the output of the output shaft (3) is vertical to the output shaft (3), two first tapered roller bearings (5) are sleeved between the output end of the output shaft (3) and the box body (1), the two first tapered roller bearings (5) are arranged between the output shaft (3) and the box body (1) back to back, a first cylindrical roller bearing (6) is sleeved between the inner end of the output shaft (3) and the box body (1), the first cylindrical roller bearing (6) is arranged at the inner end of the output shaft (3) through a round nut (7), a stop washer (8) is arranged between the first cylindrical roller bearing (6) and the round nut (7), an oil seal (9) is sleeved between the output end of the output shaft (3) and the port of the box body (1), and a flange seat (10) for mounting a saw blade is mounted on the output shaft (3) located on the outer side of the box body (1) through a mounting bolt (20).
2. The high-power parallel-shaft cold-sawing speed reducer according to claim 1, characterized in that: the middle gear set comprises a first middle shaft (11) and a second middle shaft (12), a first transmission gear (13) and a second transmission gear (14) are sleeved on the first middle shaft (11), a third transmission gear (15) and a fourth transmission gear (16) are sleeved on the second middle shaft (12), the first transmission gear (13) is meshed with the input gear shaft (2), the second transmission gear (14) is meshed with the third transmission gear (15), and the fourth transmission gear (16) is meshed with the output gear (4).
3. The high-power parallel-shaft cold-sawing speed reducer according to claim 2, characterized in that: a second tapered roller bearing (17) is sleeved between the two ends of the first intermediate shaft (11) and the second intermediate shaft (12) and the box body (1).
4. The high-power parallel-shaft cold-sawing speed reducer according to claim 1, characterized in that: a third conical roller bearing (18) is sleeved between each of the two ends of the input gear shaft (2) and the box body (1), and a second cylindrical roller bearing (19) is further sleeved between the outer side of the third conical roller bearing (18) and the box body (1) at the input end of the input gear shaft (2).
5. The high-power parallel-shaft cold-sawing speed reducer according to claim 2, characterized in that: the first transmission gear (13), the second transmission gear (14), the third transmission gear (15), the fourth transmission gear (16) and the output gear (4) are all made of 20CrMnMo materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122264649.2U CN216555254U (en) | 2021-09-17 | 2021-09-17 | High-power parallel shaft cold saw cutting speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122264649.2U CN216555254U (en) | 2021-09-17 | 2021-09-17 | High-power parallel shaft cold saw cutting speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216555254U true CN216555254U (en) | 2022-05-17 |
Family
ID=81564191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122264649.2U Active CN216555254U (en) | 2021-09-17 | 2021-09-17 | High-power parallel shaft cold saw cutting speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216555254U (en) |
-
2021
- 2021-09-17 CN CN202122264649.2U patent/CN216555254U/en active Active
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