CN208474428U - A kind of transmission device - Google Patents
A kind of transmission device Download PDFInfo
- Publication number
- CN208474428U CN208474428U CN201820794666.2U CN201820794666U CN208474428U CN 208474428 U CN208474428 U CN 208474428U CN 201820794666 U CN201820794666 U CN 201820794666U CN 208474428 U CN208474428 U CN 208474428U
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- China
- Prior art keywords
- sliding block
- pedestal
- fixedly connected
- bearing
- transmission device
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Abstract
The utility model discloses a kind of transmission devices, it include: pedestal (1), pedestal (1) section is substantially in " recessed " shape, the track (1a, 1b) is respectively formed on the two sidewalls of the pedestal (1), described pedestal (1) one end is fixedly connected with fulcrum bearing (2), and the other end is fixedly connected with end cap (3)；It further include sliding block (6), the sliding block (6) can be slidably embedded on the track (1a, 1b) of the pedestal (1), sliding block (6) upper end is fixedly connected with slide unit (5), sliding block (6) direction along ng a path is equipped with threaded hole (10), and lead screw (8) is threaded through in the slide unit (6) by the threaded hole (10)；It further include upper cover plate (4), described upper cover plate (4) one end is fixedly connected with the fulcrum bearing (2), and the other end is fixedly connected with the end cap (3).
Description
Technical field
The utility model relates to a kind of transmission devices.
Background technique
Transmission device is the linear motion for guiding the guidance object such as workbench or the important mechanical part of curvilinear motion.It rolls
Guidance transmission device is usually made of guide rail, sliding block and the rolling element between guide rail and sliding block.Compared with slide-and-guide,
The advantages of rolling guiding is that frictional resistance is minimum, even if absolutely not applying preload, also can easily move.
And ball-screw be convert rotary motion to linear motion, or by transform linear motion be rotary motion portion
Part is that the fields such as equipment, engineering, automobile, space flight are widely applied, has the characteristics that high-precision, invertibity and efficient, with very
Small frictional resistance.Currently, needing a kind of compact-sized, transmission resistance in the equipment such as high precision apparatus, high environmental requirement occasion
Power is small, the transmission device of high transmission accuracy.
Summary of the invention
The technical problems to be solved in the utility model is to overcome above-mentioned defect in the prior art, provides a kind of transmission dress
It sets, it is compact-sized, transmission resistance is small, high transmission accuracy.
In order to solve the above technical problems, the utility model proposes technical solution are as follows:
A kind of transmission device characterized by comprising pedestal (1), pedestal (1) section is substantially in " recessed " shape, described
It is respectively formed on the two sidewalls of pedestal (1) track (1a, 1b), described pedestal (1) one end is fixedly connected with fulcrum bearing (2), another
End is fixedly connected with end cap (3)；
It further include sliding block (6), the sliding block (6) can be slidably embedded the track (1a, 1b) in the pedestal (1)
On, sliding block (6) upper end is fixedly connected slide unit (5), and sliding block (6) direction along ng a path is equipped with threaded hole (10), lead screw (8)
It is threaded through in the sliding block (6) by the threaded hole (10)；
It further include upper cover plate (4), described upper cover plate (4) one end is fixedly connected with the fulcrum bearing (2), the other end and described
End cap (3) is fixedly connected.
Further, the both ends of the sliding block (6) are equipped with dust-proof cushion (7), and the dust-proof cushion (7) passes through bolt or screw
It is fixed on the both ends of the sliding block (6).
Further, the end of the dust-proof cushion (7) is set there are two restriction protrusion (7a, 7b).
Further, one end of the lead screw (8) is arranged in the fulcrum bearing (2) by first bearing, and the other end is logical
Second bearing is crossed to be arranged in the end cap (3).
Further, the first bearing and second bearing are deep groove ball bearing.
Further, described fulcrum bearing (2) one end is connected with driving device, and the output shaft of the driving device is threaded through institute
It states in the through-hole (9) of fulcrum bearing (2), the output shaft is connected by shaft coupling with the input terminal of the lead screw (8).
Further, the track both ends (1a, 1b) the setting stop device or limiting device of the pedestal (1).
Detailed description of the invention
Fig. 1 is the installation diagram of the utility model transmission device；
Fig. 2 is the exploded view of the utility model transmission device；
Fig. 3 is the sliding block 6 of the utility model transmission device and the decomposition assembly drawing of pedestal 1；
Fig. 4 is A-A cross-sectional view in Fig. 2；
Fig. 5 is B-B cross-sectional view in Fig. 2；
Each label indicates in figure:
1- pedestal；1a, 1b- track；2- fulcrum bearing；3- end cap；4- upper cover plate；5- slide unit；6- sliding block；7- dust-proof cushion；7a,
7b- restriction protrusion；8- lead screw；9- through-hole；10- threaded hole.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.Therefore, below to attached
The detailed description of the embodiment of the present invention provided in figure is not intended to limit the range of claimed invention, but only
Indicate selected embodiment of the invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two original parts.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Referring to Fig. 1-5, the utility model transmission device includes: pedestal 1, and 1 section of pedestal is substantially in " recessed " shape, pedestal 1
Track 1a and 1b are respectively formed on two sidewalls, 1 one end of pedestal is fixedly connected by bolt or screw with fulcrum bearing 2, and the other end is logical
Bolt or screw is crossed to be fixedly connected with end cap 3.
Sliding block 6 is embedded on track 1a, 1b of pedestal 1, can be slided on track 1a, 1b, and 6 upper end of sliding block is fixedly connected with cunning
Platform 5, the both ends of sliding block 6 are equipped with dust-proof cushion 7, and dust-proof cushion 7 is fixed on the both ends of sliding block 6 by bolt or screw, dust-proof cushion 7
End is set there are two restriction protrusion 7a and 7b, and dust-proof cushion 7 is used to that the impurity such as dust to be isolated.6 direction along ng a path of sliding block is equipped with screw thread
Hole 10, lead screw 8 are threaded through in sliding block 6 by threaded hole 10.One end of lead screw 8 is arranged by bearing (preferably deep groove ball bearing)
In fulcrum bearing 2, the other end is arranged in end cap 3 by bearing (preferably deep groove ball bearing).
4 one end of upper cover plate is fixedly connected by bolt or screw with fulcrum bearing 2, and the other end passes through bolt or screw and end cap
3 are fixedly connected.
2 one end of fulcrum bearing is connected with driving device, such as motor, and the output shaft of driving device is threaded through the logical of fulcrum bearing 2
In hole 9, output shaft is for example connected by shaft coupling with the input terminal of lead screw 8.
Setting stop device (or limiting device), such as baffle or limited block, anti-on-slip may be selected in track 1a, 1b of pedestal
Block 6 because stroke it is excessive caused by impact.
The course of work: motor rotation drives lead screw 8 to rotate, and the rotational movement sliding block 6 and slide unit 5 of lead screw 8 are in track
It is slided on 1a, 1b, and then rotary motion is converted into linear movement, sliding block 6 and slide unit 5 can connect other components (such as lathe
On cutter etc.), and then drive other component movement.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts
Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
Claims (7)
1. a kind of transmission device characterized by comprising pedestal (1), pedestal (1) section is substantially in " recessed " shape, the bottom
It is respectively formed the track (1a, 1b) on the two sidewalls of seat (1), described pedestal (1) one end is fixedly connected with fulcrum bearing (2), separately
One end is fixedly connected with end cap (3)；
It further include sliding block (6), the sliding block (6) can be slidably embedded on the track (1a, 1b) of the pedestal (1), institute
It states sliding block (6) upper end to be fixedly connected slide unit (5), sliding block (6) direction along ng a path is equipped with threaded hole (10), and lead screw (8) passes through
The threaded hole (10) is threaded through in the sliding block (6)；
It further include upper cover plate (4), described upper cover plate (4) one end is fixedly connected with the fulcrum bearing (2), the other end and the end cap
(3) it is fixedly connected.
2. transmission device according to claim 1, which is characterized in that the both ends of the sliding block (6) are equipped with dust-proof cushion
(7), the dust-proof cushion (7) is fixed on the both ends of the sliding block (6) by bolt or screw.
3. transmission device according to claim 2, which is characterized in that the end of the dust-proof cushion (7) set there are two limit
Protrusion (7a, 7b).
4. transmission device according to claim 1, which is characterized in that one end of the lead screw (8) is set by first bearing
It sets in the fulcrum bearing (2), the other end is arranged in the end cap (3) by second bearing.
5. transmission device according to claim 4, which is characterized in that the first bearing and second bearing are deep-groove ball
Bearing.
6. transmission device according to any one of claims 1-5, which is characterized in that fulcrum bearing (2) one end connection
There is driving device, the output shaft of the driving device is threaded through in the through-hole (9) of the fulcrum bearing (2), and the output shaft passes through
Shaft coupling is connected with the input terminal of the lead screw (8).
7. transmission device according to any one of claims 1-5, which is characterized in that the track of the pedestal (1) (1a,
1b) both ends setting stop device or limiting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820794666.2U CN208474428U (en) | 2018-05-27 | 2018-05-27 | A kind of transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820794666.2U CN208474428U (en) | 2018-05-27 | 2018-05-27 | A kind of transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208474428U true CN208474428U (en) | 2019-02-05 |
Family
ID=65218840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820794666.2U Active CN208474428U (en) | 2018-05-27 | 2018-05-27 | A kind of transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208474428U (en) |
-
2018
- 2018-05-27 CN CN201820794666.2U patent/CN208474428U/en active Active
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