CN210938289U - Three-axis power head - Google Patents
Three-axis power head Download PDFInfo
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- CN210938289U CN210938289U CN201921546454.3U CN201921546454U CN210938289U CN 210938289 U CN210938289 U CN 210938289U CN 201921546454 U CN201921546454 U CN 201921546454U CN 210938289 U CN210938289 U CN 210938289U
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- shell
- gear
- transmission
- output gear
- ball bearing
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Abstract
The utility model discloses a triaxial unit head, including casing and hou gai, one end in the casing is equipped with the transmission cavity, and one end in the transmission cavity is equipped with output gear, transition gear and input gear, and the other end in the transmission cavity is equipped with the axis, mesh mutually between output gear, transition gear and the input gear, axis one end is connected with the output gear to it is fixed through the hex bolts, outside the axis other end extends out the casing, the outer one end of casing is equipped with the end cover, and the end cover suit is epaxial, and is fixed through the nut. The three-shaft power head drives the transmission shaft to transmit through the arranged synchronous wheel so as to drive the output gear to rotate, thereby realizing two-stage speed change and increasing or reducing the rotating speed; and adopt the transmission mode of synchronizing wheel, avoid servo motor direct-connected drive case, cause the heat direct transfer to in the headstock for the transmission efficiency of drive case can improve greatly.
Description
Technical Field
The utility model relates to a mechanical machine tool technical field specifically is a triaxial unit head.
Background
The transmission boxes on the market are all directly connected with the servo motor, so that the heat of the motor can be directly transmitted into the spindle box to influence the transmission part of the spindle, thereby reducing the transmission efficiency; moreover, the direct connection servo motor cannot realize the speed change of the transmission case, so that the direct connection servo motor is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a three-shaft power head, which drives a transmission shaft to transmit through a synchronous wheel so as to drive an output gear to rotate, thereby realizing two-stage speed change and increasing or reducing the rotating speed; and adopt the transmission mode of synchronizing wheel, avoid servo motor direct-connected drive case, cause in the heat direct transfer headstock for the transmission efficiency of drive case can improve greatly, can solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: a three-shaft power head comprises a shell and a rear cover, wherein a transmission cavity is arranged at one end in the shell, an output gear, a transition gear and an input gear are arranged at one end in the transmission cavity, a middle shaft is arranged at the other end in the transmission cavity, the output gear, the transition gear and the input gear are meshed with each other, one end of the middle shaft is connected with the output gear and fixed through a hexagon bolt, the other end of the middle shaft extends out of the shell, an end cover is arranged at one end outside the shell, and the end cover is sleeved on the middle shaft and fixed through a nut; the rear cover covers the shell and is sealed and fixed through the sealing ring, a synchronizing wheel and a gland are arranged on the outer side of the rear cover, the middle part of the synchronizing wheel is connected with a transmission shaft, one end of the transmission shaft penetrates through the inner wall of the rear cover and extends into the shell and is connected with the input gear, and the gland is sleeved on the transmission shaft and is pressed on the rear cover; the deep groove ball bearing is further sleeved at one end of the middle shaft, the deep groove ball bearing and the output gear are separated through a spacer ring, and the angular contact ball bearing is further sleeved at the other end of the middle shaft and fixed through a locking nut.
Preferably, the other end in the shell is provided with an annular cooling groove which surrounds the outer side of the transmission shaft.
Preferably, cooling spray heads are uniformly arranged at one end outside the shell.
Preferably, the sealing ring is embedded in a gap between the shell and the rear cover, one end of the sealing ring is precisely attached to the side wall of the shell, and the other end of the sealing ring is precisely attached to the side wall of the rear cover.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the three-shaft power head drives the transmission shaft to transmit through the arranged synchronizing wheel so as to drive the input gear to rotate, and drives the transition gear to rotate through the rotation of the input gear so as to drive the output gear to rotate, thereby realizing two-stage speed change and increasing or reducing the rotating speed; and moreover, the transmission mode of the synchronizing wheel is adopted, so that the direct connection of the servo motor and the transmission box is avoided, the heat is directly transmitted into the spindle box, and the transmission efficiency of the transmission box is greatly improved.
Drawings
FIG. 1 is a view showing the internal structure of the housing of the present invention;
FIG. 2 is an assembly view of the structure of the synchronizing wheel of the present invention;
FIG. 3 is a structural diagram of the gear transmission of the present invention;
FIG. 4 is a side view of the overall structure of the present invention;
fig. 5 is a top view of the overall structure of the present invention.
In the figure: 1. a housing; 2. a transmission chamber; 3. an output gear; 4. a transition gear; 5. an input gear; 6. a middle shaft; 61. a hexagon bolt; 7. an end cap; 71. a nut; 8. a rear cover; 81. a seal ring; 9. a synchronizing wheel; 10. a gland; 11. a drive shaft; 12. a deep groove ball bearing; 13. a space ring; 14. angular contact ball bearings; 15. locking the nut; 16. an annular cooling trough; 17. and cooling the spray head.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a triaxial power head includes a housing 1 and a rear cover 8, wherein a transmission chamber 2 is disposed at one end in the housing 1, an output gear 3, a transition gear 4 and an input gear 5 are disposed at one end in the transmission chamber 2, a middle shaft 6 is disposed at the other end in the transmission chamber 2, wherein the output gear 3, the transition gear 4 and the input gear 5 are engaged with each other, one end of the middle shaft 6 is connected with the output gear 3 and fixed by a hexagonal bolt 61, and the other end of the middle shaft 6 extends out of the housing 1; an end cover 7 is arranged at one end outside the shell 1, and the end cover 7 is sleeved on the middle shaft 6 and fixed through a nut 71; the rear cover 8 covers the shell 1 and is sealed and fixed through a sealing ring 81, the sealing ring 81 is embedded and installed in a gap between the shell 1 and the rear cover 8, one end of the sealing ring 81 is precisely attached to the side wall of the shell 1, and the other end of the sealing ring 81 is precisely attached to the side wall of the rear cover 8; the sealing performance between the shell 1 and the rear cover 8 is improved through the sealing ring 81, and dust is prevented from entering the shell 1 and damaging all parts; a synchronizing wheel 9 and a gland 10 are arranged on the outer side of the rear cover 8, the middle part of the synchronizing wheel 9 is connected with a transmission shaft 11, one end of the transmission shaft 11 penetrates through the inner wall of the rear cover 8 and extends into the shell 1 and is connected with the input gear 5, and the gland 10 is sleeved on the transmission shaft 11 and is pressed on the rear cover 8; the other end in the shell 1 is provided with an annular cooling groove 16, and the annular cooling groove 16 surrounds the outer side of the transmission shaft 11; the heat generated by the rotation friction of the transmission shaft 11 is absorbed through the annular cooling groove 16, so that the transmission efficiency of the transmission shaft 11 is improved; one end of the middle shaft 6 is also sleeved with a deep groove ball bearing 12, the deep groove ball bearing 12 is separated from the output gear 3 by a spacing ring 13, the other end of the middle shaft 6 is also sleeved with an angular contact ball bearing 14, and the angular contact ball bearing 14 is fixed by a locking nut 15; the cooling nozzles 17 are uniformly arranged at one end outside the shell 1, and the heat in the shell 1 is reduced by cooling gas sprayed by the cooling nozzles 17, so that the transmission efficiency can be greatly improved.
According to the three-shaft power head, the transmission shaft 11 is driven to transmit through the arranged synchronous wheel 9, so that the input gear 5 is driven to rotate, the transition gear 4 is driven to rotate through the rotation of the input gear 5, so that the output gear 3 is driven to rotate, and therefore, two-stage speed change is realized, and the rotating speed is increased or reduced; and, adopt the transmission mode of synchronizing wheel 9, avoid servo motor direct-connected drive box, cause in the heat direct transfer headstock for the transmission efficiency's of drive box improvement greatly.
The three-shaft power head drives the transmission shaft 11 to transmit through the arranged synchronous wheel 9, so as to drive the output gear 3 to rotate, thereby realizing two-stage speed change, and increasing or reducing the rotating speed; and adopt the transmission mode of synchronizing wheel 9, avoid servo motor direct-connected drive case, cause the heat direct transfer to the headstock in for the transmission efficiency of drive case can improve greatly, therefore effectively solve prior art problem.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A triaxial unit head, includes casing (1) and back lid (8), its characterized in that: one end in the shell (1) is provided with a transmission cavity (2), one end in the transmission cavity (2) is provided with an output gear (3), a transition gear (4) and an input gear (5), the other end in the transmission cavity (2) is provided with a center shaft (6), the output gear (3), the transition gear (4) and the input gear (5) are meshed with each other, one end of the center shaft (6) is connected with the output gear (3) and fixed through a hexagon bolt (61), the other end of the center shaft (6) extends out of the shell (1), one end outside the shell (1) is provided with an end cover (7), and the end cover (7) is sleeved on the center shaft (6) and fixed through a nut (71); the rear cover (8) covers the shell (1) and is fixed in a sealing mode through a sealing ring (81), a synchronizing wheel (9) and a gland (10) are arranged on the outer side of the rear cover (8), the middle of the synchronizing wheel (9) is connected with a transmission shaft (11), one end of the transmission shaft (11) penetrates through the inner wall of the rear cover (8) and extends into the shell (1) and is connected with the input gear (5), and the gland (10) is sleeved on the transmission shaft (11) and is pressed on the rear cover (8); the deep groove ball bearing is characterized in that a deep groove ball bearing (12) is further sleeved at one end of the middle shaft (6), the deep groove ball bearing (12) is separated from the output gear (3) through a spacer ring (13) arranged on the deep groove ball bearing, an angular contact ball bearing (14) is further sleeved at the other end of the middle shaft (6), and the angular contact ball bearing (14) is fixed through a locking nut (15) arranged on the angular contact ball bearing (14).
2. The tri-axial powerhead of claim 1, wherein: the other end in the shell (1) is provided with an annular cooling groove (16), and the annular cooling groove (16) surrounds the outer side of the transmission shaft (11).
3. The tri-axial powerhead of claim 1, wherein: and cooling spray heads (17) are uniformly arranged at one end outside the shell (1).
4. The tri-axial powerhead of claim 1, wherein: sealing washer (81) gomphosis is installed in the space department between casing (1) and back lid (8), and sealing washer (81) one end and casing (1) lateral wall are close-fitting, and sealing washer (81) other end and back lid (8) lateral wall are close-fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921546454.3U CN210938289U (en) | 2019-09-17 | 2019-09-17 | Three-axis power head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921546454.3U CN210938289U (en) | 2019-09-17 | 2019-09-17 | Three-axis power head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210938289U true CN210938289U (en) | 2020-07-07 |
Family
ID=71386305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921546454.3U Active CN210938289U (en) | 2019-09-17 | 2019-09-17 | Three-axis power head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210938289U (en) |
-
2019
- 2019-09-17 CN CN201921546454.3U patent/CN210938289U/en active Active
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