CN210060533U - Screw rod transmission device and machine tool - Google Patents
Screw rod transmission device and machine tool Download PDFInfo
- Publication number
- CN210060533U CN210060533U CN201920179472.6U CN201920179472U CN210060533U CN 210060533 U CN210060533 U CN 210060533U CN 201920179472 U CN201920179472 U CN 201920179472U CN 210060533 U CN210060533 U CN 210060533U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- screw
- lead screw
- shield
- nut
- 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
Abstract
The utility model provides a lead screw transmission device, the lead screw transmission device comprises a rotatable lead screw and a driving mechanism arranged at one end part of the lead screw, wherein a front support and a rear support which can rotate relative to the lead screw are respectively arranged at two ends of the lead screw, a moving platform which can horizontally move on the lead screw is arranged at the middle part of the lead screw, a telescopic protective cover is sleeved on the lead screw, and a ventilating device is arranged on the protective cover; and the screw rod is also provided with an anti-impact device. The screw rod transmission device with the structure has the advantages that the protective device is arranged on the screw rod, so that the cleanness of the screw rod can be better kept, and the transmission efficiency is further ensured. Meanwhile, the impact resisting device is arranged on the screw rod, so that the screw rod can bear impact force from the radial direction and the axial direction. Therefore, the transmission device has the advantages of good protection effect, high transmission efficiency, long service life and strong impact resistance. Furthermore, the utility model discloses still provide a lathe including above-mentioned screw drive.
Description
Technical Field
The utility model relates to a transmission machinery, in particular to screw rod transmission and lathe.
Background
At present, various transmission mechanisms, such as a screw rod transmission mechanism and the like, are widely used due to simple structure, good transmission reliability and low use cost.
However, at present, a relatively common screw rod transmission mechanism is used, and basically no protective device is arranged on the screw rod, so that when the application environment is poor, the screw rod is easily polluted, and the transmission efficiency and the service life of the screw rod are further influenced. In addition, the screw drive of the prior art has relatively poor axial and radial shock resistance and is generally unable to withstand or can withstand only small loads and shocks from the axial and radial directions.
In summary, how to provide a screw rod transmission mechanism with good protection effect, long service life and strong impact resistance, and a machine tool comprising the screw rod transmission mechanism, have become technical problems to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the screw rod transmission mechanism is good in protection effect, long in service life and high in impact resistance, and the machine tool comprising the screw rod transmission mechanism is provided.
The utility model discloses a solution is realized like this: the utility model provides a lead screw transmission device, the lead screw transmission device comprises a rotatable lead screw and a driving mechanism arranged at one end part of the lead screw, wherein a front support and a rear support which can rotate relative to the lead screw are respectively arranged at two ends of the lead screw, a moving platform which can horizontally move on the lead screw is arranged at the middle part of the lead screw, a telescopic protective cover is sleeved on the lead screw, and a ventilating device is arranged on the protective cover; and the screw rod is also provided with an anti-impact device. The screw rod transmission device with the structure has the advantages that the protective device is arranged on the screw rod, so that the cleanness of the screw rod can be better kept, and the transmission efficiency is further ensured. Meanwhile, the anti-impact device is arranged on the screw rod, so that the screw rod can bear radial and axial impact force, and compared with a screw rod transmission mechanism with the existing structure, the screw rod transmission mechanism has the advantages of good protection effect, high transmission efficiency, long service life and strong impact resistance.
Another technical scheme of the utility model lies in on above-mentioned basis, anti-shock mounting includes a plurality of bearing, the bearing housing is located the lead screw is close to actuating mechanism's one end, and a plurality of the bearing is adjacent to be set up. According to the arrangement mode, the plurality of bearings are arranged on the screw rod, so that the bearing capacity of the screw rod can be effectively improved, and meanwhile, the screw rod can be effectively improved to resist the impact force from the axial direction and the radial direction. In addition, through setting up a plurality of bearings, can reduce its requirement to the structure tolerance, make the installation of lead screw more convenient. Finally, through being in the same place a plurality of bearing assembly, can also effectively retrain rocking of lead screw, and then reduce the vibration of lead screw.
Another technical scheme of the utility model lies in on above-mentioned basis, the bearing is angular contact ball bearing, the quantity of bearing is 4.
The utility model discloses a another technical scheme lies in on above-mentioned basis, screw rod transmission still includes the shaft coupling, actuating mechanism is the motor, the one end of shaft coupling with the output detachably fixed connection of motor, the other end of shaft coupling with the one end detachably fixed connection of lead screw.
The utility model discloses a another technical scheme lies in on above-mentioned basis, ventilative device is ventilative cap, the protection casing includes first protection casing and the second protection casing adjacent setting with first protection casing, all be equipped with ventilative cap on first protection casing and the second protection casing.
The utility model discloses a another technical scheme lies in on above-mentioned basis, still be equipped with the nut that can rotate on the lead screw, first protection casing and second protection casing set up respectively in the both ends of nut.
The utility model discloses an another technical scheme lies in on above-mentioned basis, the periphery of nut still overlaps and is equipped with the nut seat that can rotate on the nut, be equipped with the navigation key on the nut seat, moving platform pass through the navigation key fixed set up in on the nut seat.
The utility model discloses a another technical scheme lies in on above-mentioned basis, lead screw drive mechanism still including set up respectively in the first guide rail and the second guide rail of lead screw both sides, first guide rail and second guide rail parallel arrangement, moving platform can follow first guide rail and second guide rail remove.
The utility model discloses a another technical scheme lies in on the basis, moving platform is last still be equipped with respectively be used for with first guide rail complex first spout to and be used for with second guide rail complex second spout, moving platform follows through first spout and second spout first guide rail and second guide rail remove.
On the other hand, the utility model also provides a lathe, including screw drive, screw drive is as above screw drive.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
Fig. 1 is a schematic structural diagram of a transmission mechanism according to the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic cross-sectional view of FIG. 1;
fig. 4 is another schematic view of the structure of fig. 1.
The corresponding relation of the reference signs is as follows:
1 motor 2 front support 3 ventilating cap
4 first protection casing 5 nut seat 6 moving platform
7 rear support 8 coupling 9 bearing
10 lead screw 11 nut 12 positioning key
13 positioning block 14, second protective cover 15 and first guide rail
16 second guide rail 17 first runner 18 second runner
Detailed Description
The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
The embodiment of the utility model provides a as follows, please refer to the screw rod transmission shown in fig. 1 to 4, it sets up in 10 one ends of lead screw specifically to include rotatable lead screw 10 and fixed, the actuating mechanism of the upper end tip shown in the figure promptly, actuating mechanism is used for driving lead screw 10 rotatory, the upper and lower both ends of lead screw 10 are equipped with lead screw 10 pivoted preceding support 2 and back support 7 relatively respectively, preceding support 2 and back support 7 are used for fixed the setting in predetermined position of lead screw 10, the middle part of lead screw 10 still is equipped with can be at 10 upper horizontal migration's of lead screw moving platform 6, moving platform 6 specifically can be used to bear the weight of machined part etc., it is equipped with the protection casing still to overlap on the lead screw 10, and, still be equipped with elegant gas device on the protection casing, when compressing the protection casing, the. In addition, an impact-resistant device for impact resistance is also provided on the screw 10. According to the screw rod transmission device with the structure, the protection device is arranged on the screw rod 10, so that the screw rod 10 can be kept clean better, and the transmission efficiency of the screw rod transmission device is further ensured. Meanwhile, as the anti-impact device is arranged on the screw rod 10, the screw rod can bear impact force from the radial direction and the axial direction, and compared with the screw rod 10 transmission mechanism with the existing structure, the screw rod 10 transmission mechanism has the advantages of good protection effect, high transmission efficiency, long service life and strong anti-impact capability.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 3, the anti-impact device specifically includes a plurality of bearings 9, the plurality of bearings 9 are sleeved on one end of the screw rod 10 close to the driving mechanism, i.e. the upper end shown in the figure, and the plurality of bearings 9 are sequentially and adjacently disposed. According to the arrangement mode, the plurality of bearings 9 are arranged on the screw rod 10, so that the bearing capacity of the screw rod 10 can be effectively improved, and meanwhile, the screw rod 10 can be effectively improved to resist the impact force from the axial direction and the radial direction. In addition, by arranging a plurality of bearings 9, the requirement on the structural tolerance can be reduced, and the installation of the screw rod 10 is more convenient. Finally, the plurality of bearings 9 are combined together, so that the shaking of the screw rod 10 can be effectively restrained, and the vibration of the screw rod 10 is reduced.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 3, the bearings 9 are preferably angular contact ball bearings, and the number of the bearings 9 is preferably 4.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 3, the screw transmission device further includes a coupler 8, the driving mechanism is preferably a motor 1, the motor 1 includes an output shaft, one end of the coupler 8, i.e., the upper end shown in the figure, is detachably and fixedly connected to the output shaft of the motor 1, and the other end of the coupler 8, i.e., the lower end shown in the figure, is detachably and fixedly connected to one end of the screw 10, i.e., the upper end shown in the figure.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, for the ventilation device, preferably the ventilation cap 3, the protection cover specifically includes the first protection cover 4 and the second protection cover 14, the first protection cover 4 is disposed adjacent to the second protection cover 14, and the ventilation cap 3 is disposed on both the first protection cover 4 and the second protection cover 14, and is preferably disposed at the end of the first protection cover 4 and the second protection cover 14. This mode of setting, through set up ventilative cap 3 on the protection casing, when compressing the protection casing, can in time discharge the air in the protection casing. When the protective cover is stretched, air can be sucked in time, thereby playing the roles of protecting the protective cover and prolonging the service life of the protective cover,
on the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 3, the screw rod 10 is further provided with a nut 11 capable of rotating on the screw rod 10, when the screw rod 10 rotates, the nut 11 moves back and forth on the screw rod 10, and the first protection cover 4 and the second protection cover 14 are respectively disposed at two ends of the nut 11, more specifically, the first protection cover 4 is disposed at the upper end of the nut 11, and the second protection cover 14 is disposed at the lower end of the nut 11.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and fig. 3, the nut seat 5 capable of rotating on the nut 11 is further sleeved on the periphery of the nut 11, and when the nut 11 moves back and forth on the lead screw 10, the nut seat 5 is driven to move back and forth. The nut seat 5 is also provided with a positioning key 12, and the moving platform 6 is fixedly arranged on the nut seat 5 through the positioning key 12. This mode of setting, through set up the navigation key 12 that is used for fixed moving platform 6 on nut seat 5, not only make the dismantlement of navigation platform more convenient, fixed effect is better simultaneously. It should be noted that, in other embodiments, the nut 11 may also be sleeved with a bearing 9 on the periphery, and the nut seat 5 is disposed on the bearing 9.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 4, the transmission mechanism of the screw rod 10 further includes a first guide rail 15 and a second guide rail 16 respectively disposed at two sides of the screw rod 10, the first guide rail 15 and the second guide rail 16 are arranged in parallel, and two sides of the moving platform 6 are disposed on the first guide rail 15 and the second guide rail 16 and can slide back and forth along the first guide rail 15 and the second guide rail 16.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2, the corresponding positions of the mobile platform 6 are further respectively provided with a first sliding chute 17 engaged with the first guide rail 15 and a second sliding chute 18 engaged with the second guide rail 16, the first guide rail 15 is disposed in the first sliding chute 17, the second guide rail 16 is disposed in the second sliding chute 18, and the mobile platform 6 slides back and forth along the first guide rail 15 and the second guide rail 16 through the first sliding chute 17 and the second sliding chute 18.
In addition, as shown in fig. 4, a nut is further provided at one end of the rear support 7, and a positioning block 13 for preventing the nut from rotating is provided, which can refer to the prior art and its modified technology, and will not be described in detail herein.
On the other hand, the utility model also provides a lathe, including screw drive, specifically, screw drive is as above screw drive. The machine tool comprises a frame, a first guide rail 15 and a second guide rail 16 are fixedly arranged on the frame, and two ends of a screw rod 10 are fixedly arranged on the frame through a front support 2 and a rear support 7. The machine tool can be used for polishing any possible machine tool structure such as a machine tool, and in the machining process, a workpiece is placed on the moving platform 6 and moves back and forth along with the moving platform 6.
The machine tool with the structure has the advantages of high machining efficiency, low labor intensity, long service life and low use cost correspondingly.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The screw rod transmission device is characterized by comprising a rotatable screw rod (10) and a driving mechanism arranged at one end part of the screw rod (10), wherein a front support (2) and a rear support (7) which can rotate relative to the screw rod (10) are respectively arranged at two ends of the screw rod (10), a moving platform (6) which can horizontally move on the screw rod (10) is arranged in the middle of the screw rod (10), a telescopic protective cover is sleeved on the screw rod (10), and a ventilating device is arranged on the protective cover;
and an anti-impact device is also arranged on the screw rod (10).
2. Screw transmission according to claim 1, wherein the impact resistant means comprises a plurality of bearings (9), the bearings (9) are sleeved on one end of the screw (10) close to the driving mechanism, and the plurality of bearings (9) are arranged adjacently.
3. Lead screw transmission according to claim 2, characterized in that the bearings (9) are angular contact ball bearings, the number of bearings (9) being 4.
4. The screw rod transmission device according to claim 3, further comprising a coupler (8), wherein the driving mechanism is a motor (1), one end of the coupler (8) is detachably and fixedly connected with the output end of the motor (1), and the other end of the coupler (8) is detachably and fixedly connected with one end of the screw rod (10).
5. A screw drive according to claim 4, characterized in that the venting means is a venting cap (3), the shield comprising a first shield (4) and a second shield (14) arranged adjacent to the first shield (4), the first shield (4) and the second shield (14) each being provided with a venting cap (3).
6. A screw drive according to claim 5, wherein the screw (10) is further provided with a nut (11) rotatable on the screw (10), and the first shield (4) and the second shield (14) are respectively provided at both ends of the nut (11).
7. A screw rod transmission device according to claim 6, wherein the nut (11) is sleeved with a nut seat (5) which can rotate on the nut (11), the nut seat (5) is provided with a positioning key (12), and the moving platform (6) is fixedly arranged on the nut seat (5) through the positioning key (12).
8. Screw drive according to claim 7, characterized in that the screw drive further comprises a first guide (15) and a second guide (16) arranged on either side of the screw (10), respectively, the first guide (15) and the second guide (16) being arranged in parallel, the moving platform (6) being movable along the first guide (15) and the second guide (16).
9. Screw drive according to claim 8, wherein the mobile platform (6) is further provided with a first runner (17) for cooperating with the first guide rail (15) and a second runner (18) for cooperating with the second guide rail (16), respectively, and the mobile platform (6) moves along the first guide rail (15) and the second guide rail (16) through the first runner (17) and the second runner (18).
10. A machine tool comprising a screw drive, characterized in that the screw drive is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920179472.6U CN210060533U (en) | 2019-01-31 | 2019-01-31 | Screw rod transmission device and machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920179472.6U CN210060533U (en) | 2019-01-31 | 2019-01-31 | Screw rod transmission device and machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210060533U true CN210060533U (en) | 2020-02-14 |
Family
ID=69432326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920179472.6U Active CN210060533U (en) | 2019-01-31 | 2019-01-31 | Screw rod transmission device and machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210060533U (en) |
-
2019
- 2019-01-31 CN CN201920179472.6U patent/CN210060533U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104723304A (en) | Vehicle-mounted battery installation platform | |
| CN210060533U (en) | Screw rod transmission device and machine tool | |
| CN114910930A (en) | Unmanned aerial vehicle is with laser radar mapping device who is equipped with linkage extending structure | |
| CN214008767U (en) | Stone yard production line monitoring device | |
| CN210536392U (en) | Outer rotor permanent magnet synchronous motor structure | |
| CN106994587B (en) | Material taking device and material taking assembly thereof | |
| CN210210309U (en) | Overturning control workbench | |
| CN207997339U (en) | A kind of isolation film multi-angle cutting device | |
| KR101869854B1 (en) | A rotating and charging device of portable electric fan and a method thereof | |
| CN108043851B (en) | Dish brush cleaning device | |
| CN105415305A (en) | Cutter bracket | |
| CN213628748U (en) | Linear module with simple structure | |
| CN205860195U (en) | A kind of railroad on warmer | |
| CN213341359U (en) | Low-voltage electrical cabinet that radiating effect is good | |
| CN207677268U (en) | A kind of electronic information power distribution cabinet with dust reduction capability | |
| CN104385276B (en) | Single motor three freedom degree manipulator arm mechanism | |
| CN209598256U (en) | A kind of bearing machining bench drill | |
| CN208403760U (en) | Single Three Degree Of Freedom crank rotates VR seat | |
| CN107845539B (en) | Intermediate relay | |
| CN220323853U (en) | Computer heat dissipation machine case | |
| CN219255552U (en) | Support is put to steam turbine blade | |
| CN213276545U (en) | High building equipment terminal protective structure of security | |
| CN220038630U (en) | Dustproof structure of air conditioner outdoor unit | |
| CN216356288U (en) | Motor shell with vibration/noise reduction function | |
| CN208930364U (en) | A kind of vulcanie plate cutter device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |