CN108488341A - A kind of cam linear motion device - Google Patents
A kind of cam linear motion device Download PDFInfo
- Publication number
- CN108488341A CN108488341A CN201810501715.3A CN201810501715A CN108488341A CN 108488341 A CN108488341 A CN 108488341A CN 201810501715 A CN201810501715 A CN 201810501715A CN 108488341 A CN108488341 A CN 108488341A
- Authority
- CN
- China
- Prior art keywords
- rotating member
- cabinet
- driven axle
- threaded post
- bearing
- 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.)
- Pending
Links
- 230000000694 effects Effects 0.000 claims abstract description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/08—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion
- F16H25/14—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion with reciprocation perpendicular to the axis of rotation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of cam linear motion devices, including cabinet and threaded post, the cabinet inside is rotatably connected to threaded post, the cabinet inside is rotatably connected to rotating member, the rotating member surface is fixed with thread groove, the rotating member bottom end is connected with driven axle, the driven axle surface activity is connected with No.1 bearing, and No.1 bearing is located inside thread groove, it is fixedly connected with driven shaft inside the driven axle, and driven shaft is rotatablely connected with cabinet, the threaded post surface is fixed with external screw thread, the external screw thread internal activity is equipped with ball, the threaded post is located inside rotating member.It is of the invention novel in design, it is simple in structure, it can effectively increase the service precision of device, while the mutual abrasion between apparatus parts can be reduced, device is made to be not easy to be damaged, it is more practical so as to the service life of lifting device.
Description
Technical field
The present invention relates to a kind of cam control gear, more particularly to a kind of cam linear motion device.
Background technology
Cam mechanism is by cam, the higher pair mechanism of three basic building blocks of driven member and rack composition.Cam is a tool
There are the component of curved profile or groove, generally driving link, makees constant speed rotary motion or linear reciprocating motion.Cam mechanism is extensive
Ground is applied to the fields such as light industry, weaving, food, communications and transportation, machine driving.
Linear motion will be applied in many mechanical equipments, and existing cam linear motion device does not have well
Precision, make mechanical equipment use be relatively easy to occur error, it is serious influence machinery work quality, secondly, it is existing
Cam linear motion device part between abrasion it is more serious, make device be relatively easy to be damaged, dress greatly reduce
The mission set, can not meet people's needs.For this purpose, it is proposed that a kind of cam linear motion device.
Invention content
The main purpose of the present invention is to provide a kind of cam linear motion devices, can effectively solve in background technology
Problem.
To achieve the above object, the technical solution that the present invention takes is：
A kind of cam linear motion device, including cabinet and threaded post, the cabinet inside are rotatably connected to threaded post, the machine
Case inner rotation is connected with rotating member, and the rotating member surface is fixed with thread groove, the rotating member bottom end flexible connection
There is driven axle, the driven axle surface activity is connected with No.1 bearing, and No.1 bearing is located inside thread groove, described passive
Driven shaft is fixedly connected with inside axis, and driven shaft is rotatablely connected with cabinet, the threaded post surface is fixed with external screw thread, institute
It states external screw thread internal activity and is equipped with ball, the threaded post is located inside rotating member.
Further, the No.1 Bearing inner is rotatably connected to fixing piece, and the fixing piece other end is solid with driven axle
Fixed connection, the driven axle side is fixedly connected with speed reducer, and speed reducer is fixedly connected with cabinet madial wall.
Further, No. two bearings are fixedly connected with inside the rotating member both ends, and No. two bearings are fixed with cabinet and connected
It connects, the cabinet one side wall is fixedly connected with sealing ring.
Further, the rotating member is rotatablely connected by external screw thread and ball with threaded post, and the driven axle passes through one
Number bearing and thread groove are flexibly connected with rotating member.
Compared with prior art, the present invention has the advantages that：
1. this kind be used for a kind of cam linear motion device, by driven axle can drive No.1 bearing inside thread groove into
Row rotation, while by the combination of rotating member and No. two bearings, so as to drive adapter to be rotated.
2. good fixation can be carried out with driven axle by fixing piece, while good position can be carried out to No.1 bearing
Limitation is set, prevents driven axle when driving rotating member to be rotated, position offset occurs in No.1 bearing, avoids influencing device
Normal work.
3. by the combination of external screw thread and ball, so as to drive threaded post to move along a straight line, in order to meet work
Make the demand of personnel, wherein the frictional force between rotating member and threaded post, avoiding device mill can be effectively reduced by ball
It damages excessive and makes itself to damage, further improve the service life of device.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of cam linear motion device of the present invention.
Fig. 2 is a kind of cabinet inside structural schematic diagram of cam linear motion device of the present invention.
Fig. 3 is a kind of adapter internal structure schematic diagram of cam linear motion device of the present invention.
Fig. 4 is a kind of driven axle structural schematic diagram of cam linear motion device of the present invention.
In figure：1, cabinet；2, threaded post；3, driven shaft；4, rotating member；5, thread groove；6, driven axle；7, No.1 axis
It holds；8, external screw thread；9, ball；10, fixing piece；11, speed reducer；12, No. two bearings；13, sealing ring.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
As shown in Figs 1-4, a kind of cam linear motion device, including cabinet 1 and threaded post 2,1 inner rotation of the cabinet
It is connected with threaded post 2,1 inner rotation of the cabinet is connected with rotating member 4, and 4 surface of the rotating member is fixed with thread groove
5,4 bottom end of the rotating member is connected with driven axle 6, and 6 surface activity of the driven axle is connected with No.1 bearing 7, and No.1
Bearing 7 is located inside thread groove 5, driven shaft 3 is fixedly connected with inside the driven axle 6, and driven shaft 3 is rotated with cabinet 1
Connection, 2 surface of the threaded post are fixed with external screw thread 8, and 8 internal activity of the external screw thread is equipped with ball 9, the threaded post 2
Inside rotating member 4.
Wherein, 7 inner rotation of No.1 bearing is connected with fixing piece 10,10 other end of the fixing piece and driven axle 6
It is fixedly connected, 6 side of the driven axle is fixedly connected with speed reducer 11, and speed reducer 11 is fixedly connected with 1 madial wall of cabinet.
Wherein, No. two bearings 12 are fixedly connected with inside 4 both ends of the rotating member, and No. two bearings 12 are fixed with cabinet 1
Connection, 1 one side wall of the cabinet are fixedly connected with sealing ring 13.
Wherein, the rotating member 4 is rotatablely connected by external screw thread 8 and ball 9 with threaded post 2, and the driven axle 6 passes through one
Number bearing 7 and thread groove 5 are flexibly connected with rotating member 4.
It should be noted that the present invention is a kind of cam linear motion device, when work, by machine drive driven shaft 3 into
Row rotation, so as to which so that driven axle 6 is rotated, secondly, 6 periphery of driven axle is fixed with No.1 bearing 7, and No.1 bearing
7 are located inside thread groove 5, and when driven axle 6 is rotated, No.1 bearing 7 can be rotated inside thread groove 5, together
When by the combination of rotating member 4 and No. two bearings 12, so as to drive adapter 4 to be rotated, wherein in No.1 bearing 7
Portion is rotatably connected to fixing piece 10, good fixation can be carried out with driven axle 6, while can be carried out to No.1 bearing 7 well
Position limitation, prevent driven axle 6 drive rotating member 4 rotated when, there is position offset in No.1 bearing 7, avoids influencing
To the normal work of device, when rotating member 4 is rotated, by the combination of external screw thread 8 and ball 9, so as to drive spiral shell
Line column 2 moves along a straight line, in order to meet the needs of staff, wherein can effectively reduce rotating member by ball 9
Frictional force between 4 and threaded post 2, avoiding device abrasion is excessive and makes itself to damage, and further improves making for device
With the service life, secondly, 6 side of driven axle is fixed with the speed reducer 11 of model NMRV, can effectively increase turning for driven axle 6
Square reduces rotating speed, enables devices to more accurately complete work, more practical, while 1 one side wall of cabinet is fixed with sealing
Circle 13 can effectively prevent the substances such as dust from rotating mouth from driven shaft 3 and enter inside cabinet 1, avoid influencing inside cabinet 1
The working condition of part, the working efficiency of further lifting device.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (4)
1. a kind of cam linear motion device, including cabinet（1）And threaded post（2）, the cabinet（1）Inner rotation is connected with spiral shell
Line column（2）, it is characterised in that：The cabinet（1）Inner rotation is connected with rotating member（4）, the rotating member（4）Surface is fixed and is set
There is thread groove（5）, the rotating member（4）Bottom end is connected with driven axle（6）, the driven axle（6）Surface activity connects
There is No.1 bearing（7）, and No.1 bearing（7）Positioned at thread groove（5）Inside, the driven axle（6）Inside be fixedly connected with from
Moving axis（3）, and driven shaft（3）With cabinet（1）Rotation connection, the threaded post（2）Surface is fixed with external screw thread（8）, described
External screw thread（8）Internal activity is equipped with ball（9）, the threaded post（2）Positioned at rotating member（4）It is internal.
2. a kind of cam linear motion device according to claim 1, it is characterised in that：The No.1 bearing（7）It is internal
It is rotatably connected to fixing piece（10）, the fixing piece（10）The other end and driven axle（6）It is fixedly connected, the driven axle（6）One
Side is fixedly connected with speed reducer（11）, and speed reducer（11）With cabinet（1）Madial wall is fixedly connected.
3. a kind of cam linear motion device according to claim 1, it is characterised in that：The rotating member（4）In both ends
Portion is fixedly connected with No. two bearings（12）, and No. two bearings（12）With cabinet（1）It is fixedly connected, the cabinet（1）One side wall is solid
Surely it is connected with sealing ring（13）.
4. a kind of cam linear motion device according to claim 1, it is characterised in that：The rotating member（4）By outer
Screw thread（8）And ball（9）With threaded post（2）Rotation connection, the driven axle（6）Pass through No.1 bearing（7）And thread groove（5）
With rotating member（4）Flexible connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810501715.3A CN108488341A (en) | 2018-05-23 | 2018-05-23 | A kind of cam linear motion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810501715.3A CN108488341A (en) | 2018-05-23 | 2018-05-23 | A kind of cam linear motion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108488341A true CN108488341A (en) | 2018-09-04 |
Family
ID=63351955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810501715.3A Pending CN108488341A (en) | 2018-05-23 | 2018-05-23 | A kind of cam linear motion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108488341A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6009773A (en) * | 1996-04-01 | 2000-01-04 | Sankyo Seisakusho Co. | Motion conversion apparatus |
| CN2674198Y (en) * | 2004-02-19 | 2005-01-26 | 于宙 | Square worm gear ball screw type elevator |
| CN202971661U (en) * | 2009-11-19 | 2013-06-05 | 爱信精机株式会社 | Clutch actuator |
| JP2014037854A (en) * | 2012-08-14 | 2014-02-27 | Ntn Corp | Electric linear actuator |
| CN208331165U (en) * | 2018-05-23 | 2019-01-04 | 平湖乾丰机械有限公司 | A kind of cam linear motion device |
-
2018
- 2018-05-23 CN CN201810501715.3A patent/CN108488341A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6009773A (en) * | 1996-04-01 | 2000-01-04 | Sankyo Seisakusho Co. | Motion conversion apparatus |
| CN2674198Y (en) * | 2004-02-19 | 2005-01-26 | 于宙 | Square worm gear ball screw type elevator |
| CN202971661U (en) * | 2009-11-19 | 2013-06-05 | 爱信精机株式会社 | Clutch actuator |
| JP2014037854A (en) * | 2012-08-14 | 2014-02-27 | Ntn Corp | Electric linear actuator |
| CN208331165U (en) * | 2018-05-23 | 2019-01-04 | 平湖乾丰机械有限公司 | A kind of cam linear motion device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180904 |