CN214177073U - Nut and lead screw driving mechanism - Google Patents
Nut and lead screw driving mechanism Download PDFInfo
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- CN214177073U CN214177073U CN202022922569.7U CN202022922569U CN214177073U CN 214177073 U CN214177073 U CN 214177073U CN 202022922569 U CN202022922569 U CN 202022922569U CN 214177073 U CN214177073 U CN 214177073U
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- nut
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- screw
- synchronizing wheel
- bearing
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Abstract
The utility model discloses a nut lead screw actuating mechanism, include the lead screw and locate the nut device on the lead screw, the nut device includes nut, first connector, second connector, first bearing, second bearing and synchronizing wheel, the inner circle of first connector one end outer lane and first bearing is connected, the other end inner circle that first connector just kept away from first bearing is connected with nut one end, the one end that first connector was kept away from to the nut is connected with synchronizing wheel one end, the synchronizing wheel other end is connected with second connector one end, the other end outer lane of second connector is connected with the inner circle of second bearing. Implement the utility model discloses a nut lead screw actuating mechanism adopts nut direct drive lead screw to make concertina movement, and design structure is simple, and the output is stable, and transmission efficiency is high, and the consume is little, low in production cost, long service life.
Description
Technical Field
The utility model relates to an accurate transmission control technical field, concretely relates to nut lead screw actuating mechanism.
Background
At present, the electric cylinder with a rear-mounted motor for driving a screw rod is commonly used in the industrial market, the working principle of the electric cylinder is that electric power is used as a direct power source, various types of motors (such as an AC servo motor, a stepping servo motor and a DC servo motor) are adopted to drive screw rods (or nuts) in different forms to rotate, the screw motion among components is converted into linear motion of the nuts (or the screw rods), and then the nuts (or the screw rods) drive a cylinder barrel or a load to do reciprocating linear motion. Generally, the nut and screw rod driving mechanism of the electric cylinder has the problems of complex design, unstable transmission output, high maintenance cost, short service life and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a nut lead screw actuating mechanism has solved the current electronic jar in nut lead screw actuating mechanism design complicacy, and the assembly degree of difficulty is big, and output stability is relatively poor, problem with high costs and life weak point.
The technical scheme of the utility model is realized like this:
the embodiment of the utility model discloses nut lead screw actuating mechanism, include the lead screw and locate the nut device on the lead screw, the nut device includes nut, first connector, second connector, first bearing, second bearing and synchronizing wheel, the inner circle of first connector one end outer lane and first bearing is connected, the other end inner circle that first connector and kept away from first bearing is connected with nut one end, the one end that first connector was kept away from to the nut is connected with synchronizing wheel one end, the synchronizing wheel other end is connected with second connector one end, the other end outer lane of second connector is connected with the inner circle of second bearing.
Furthermore, an external thread is arranged at one end of the screw rod and used for being in screwed connection with the piston body of the cylinder body, an internal thread is arranged at the other end of the screw rod and used for being connected with the driving sliding plate.
Further, the nut outside extends and is equipped with the connecting block, be equipped with a plurality of through-holes on the connecting block, the through-hole is connected through the screw with the screw of locating synchronizing wheel one side.
Furthermore, a positioning hole is formed in the synchronizing wheel, a set screw is arranged in the positioning hole, and the set screw is used for fixedly connecting the synchronizing wheel and the nut.
Furthermore, the inner ring of the nut is connected with the screw rod in a matched mode, and the synchronizing wheel drives the nut to rotate and drives the screw rod to do telescopic motion.
The utility model provides a nut lead screw actuating mechanism has following beneficial effect:
implement the utility model discloses a nut lead screw actuating mechanism adopts nut direct drive lead screw to make concertina movement, and design structure is simple, and the output is stable, and transmission efficiency is high, and the consume is little, low in production cost, long service life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded schematic view of a nut/screw driving mechanism according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a nut in a nut screw driving mechanism according to an embodiment of the present invention.
Detailed Description
The invention will be further understood by the following examples of embodiments of the invention, which are not intended to limit the invention. Insubstantial modifications and adaptations of the invention as described herein will occur to those skilled in the art and are intended to be within the scope of the invention.
Referring to fig. 1 and 2, a nut screw driving mechanism includes a screw 1 and a nut device 2 disposed on the screw 1, where the nut device 2 includes a nut 21, a first connector 22, a second connector 23, a first bearing 24, a second bearing 25 and a synchronizing wheel 26, an outer ring of one end of the first connector 22 is connected to an inner ring of the first bearing 24, an inner ring of the other end of the first connector 22, which is far away from the first bearing 24, is connected to one end of the nut 21, an end of the nut 21, which is far away from the first connector 22, is connected to one end of the synchronizing wheel 26, the other end of the synchronizing wheel 26 is connected to one end of the second connector 23, and an outer ring of the other end of the second connector 23 is connected to an inner ring of the second bearing 25.
According to the utility model discloses an embodiment, 1 one end of this lead screw is equipped with external screw thread 11, external screw thread 11 is used for the screwed connection cylinder body piston body, the 1 other end of lead screw is equipped with internal thread 12, internal thread 12 is used for connecting the drive slide.
According to the utility model discloses an embodiment, this nut 21 outside extension is equipped with connecting block 211, be equipped with a plurality of through-holes 212 on the connecting block 211, through-hole 212 is connected through the screw with the screw of locating synchronizing wheel 26 one side.
According to the utility model discloses an embodiment is equipped with locating hole 261 on this synchronizing wheel 26, be equipped with holding screw in the locating hole 261, holding screw is used for synchronizing wheel 26 and nut 21 fixed connection.
According to the utility model discloses an embodiment, this nut 21 inner circle and 1 looks adaptation of lead screw are connected, synchronizing wheel 26 drives nut 21 and rotates and drive lead screw 1 makes concertina movement.
The utility model provides a nut lead screw actuating mechanism has following beneficial effect:
implement the utility model discloses a nut lead screw actuating mechanism adopts nut direct drive lead screw to make concertina movement, and design structure is simple, and the output is stable, and transmission efficiency is high, and the consume is little, low in production cost, long service life.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a nut lead screw actuating mechanism, includes the lead screw and locates the nut device on the lead screw, its characterized in that, the nut device includes nut, first connector, second connector, first bearing, second bearing and synchronizing wheel, the inner circle of first connector one end outer lane and first bearing is connected, the other end inner circle that first connector just kept away from first bearing is connected with nut one end, the one end that first connector was kept away from to the nut is connected with synchronizing wheel one end, the synchronizing wheel other end is connected with second connector one end, the other end outer lane of second connector is connected with the inner circle of second bearing.
2. The nut and screw drive mechanism of claim 1 wherein said screw has an external thread at one end for screwing to a cylinder body piston body and an internal thread at the other end for connecting to a drive slide.
3. The nut screw driving mechanism according to claim 1, wherein a connecting block is extended from the outer side of the nut, and a plurality of through holes are formed in the connecting block and connected with screw holes formed in one side of the synchronizing wheel through screws.
4. The nut and screw drive mechanism of claim 1, wherein the synchronizing wheel has a positioning hole, and a set screw is disposed in the positioning hole and used for fixedly connecting the synchronizing wheel and the nut.
5. The nut and screw drive mechanism of claim 1 wherein the inner race of the nut is adapted to engage the screw, and the synchronizing wheel rotates the nut and drives the screw in a telescoping motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022922569.7U CN214177073U (en) | 2020-12-09 | 2020-12-09 | Nut and lead screw driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022922569.7U CN214177073U (en) | 2020-12-09 | 2020-12-09 | Nut and lead screw driving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214177073U true CN214177073U (en) | 2021-09-10 |
Family
ID=77604656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022922569.7U Active CN214177073U (en) | 2020-12-09 | 2020-12-09 | Nut and lead screw driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214177073U (en) |
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2020
- 2020-12-09 CN CN202022922569.7U patent/CN214177073U/en active Active
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