CN111720512A - Novel rotating and moving composite motion device - Google Patents
Novel rotating and moving composite motion device Download PDFInfo
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- CN111720512A CN111720512A CN202010648058.2A CN202010648058A CN111720512A CN 111720512 A CN111720512 A CN 111720512A CN 202010648058 A CN202010648058 A CN 202010648058A CN 111720512 A CN111720512 A CN 111720512A
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- shifting fork
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- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
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Abstract
The invention provides a novel rotating and moving compound motion device, which comprises a moving part and a rotating part, wherein the rotating part comprises a rotating part chassis, upright posts and a disc-shaped compound motion component; the moving part comprises a moving driving device, a U-shaped connecting frame and a shifting fork bent frame, a needle bearing is arranged on the inner side of the shifting fork bent frame, and the disc-shaped composite motion member is supported above the needle bearing and rotates and slides relative to the arc-shaped plate; the straight plates at the same end of the shifting fork bent frame are connected through a movable connecting plate, and the movable connecting plate reciprocates along the axial direction of the rotating shaft under the driving action of a movable driving device. When the invention realizes the movement requirement, the composite movement component does composite movement, and the phenomenon that a power line of a motor or a hydraulic pipeline, a pneumatic pipeline and the like are wound on other components can not be generated, thereby solving the practical engineering problem and having practical application value.
Description
Technical Field
The present invention relates to motion drives, and more particularly to a novel rotary and translational compound motion device.
Background
In engineering practice, some components are often required to make a compound motion formed by combining fixed-axis rotation and linear movement, and the motion relationship between the movement amount and the rotation amount of the components is not directly related. In engineering, simple mechanisms capable of simultaneously realizing composite movement of a member by combining rotation and movement mainly comprise a link mechanism and a screw mechanism, but the two mechanisms often cannot completely meet the movement requirements. (1) In the connecting rod mechanism, the motion of the connecting rod is a compound motion formed by combining rotation around the mass center of the connecting rod and translation along with the mass center of the connecting rod, but the rotation center position of the connecting rod is periodically changed in the motion process and cannot be regarded as fixed-axis rotation; in addition, the translation of the connecting rod is not uniform, so the motion requirements cannot be met; (2) in the screw mechanism, there is a definite relative motion relationship between the moving amount and the rotating amount of the member which makes the compound motion, and the above-mentioned motion requirement cannot be satisfied.
In fact, when there is no definite motion correlation between the amount of movement and the amount of rotation, both motions often need to be driven separately. Since the components which do the composite movement rotate and move, the power lines of the motors of the equipment which drives the components to move, or hydraulic pipelines, pneumatic pipelines and the like are wound on other components, and further certain difficulty is brought to the design of the mechanism, so that the mechanisms which can realize the movement in engineering are rare.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a novel rotary and movable compound motion device, when motion requirements are met, motion components do compound motion, and meanwhile, the phenomenon that power lines of a motor or hydraulic pipelines, air pressure pipelines and the like are wound on other components is avoided, so that the practical engineering problem is solved, and the rotary and movable compound motion device has practical application value.
In order to solve the above technical problems, an embodiment of the present invention provides a novel rotating and moving compound motion device, including a moving part and a rotating part, where the rotating part includes a rotating part chassis, an upright post and a disc-shaped compound motion member, the rotating part chassis is sleeved on a rotating shaft and rotates along with the rotating shaft, the rotating part chassis is provided with a plurality of upright posts, and the disc-shaped compound motion member is sleeved on the upright post;
the shifting part comprises a shifting driving device, a U-shaped connecting frame and shifting fork assemblies, each shifting fork assembly comprises 2 shifting fork bent frames, each shifting fork bent frame comprises an arc-shaped plate and straight plates connected to two ends of the arc-shaped plate, the arc-shaped plates of the two shifting fork bent frames are arranged on the lateral sides of the disc-shaped composite motion component, needle roller bearings are arranged on the inner sides of the arc-shaped plates, and the disc-shaped composite motion component is supported above the needle roller bearings, rotates relative to the arc-shaped plates and slides;
the straight plates at the same ends of the two shifting fork bent frames are connected through a U-shaped connecting frame, the upper parts of the U-shaped connecting frames at the two ends are connected through a movable connecting plate, and the movable connecting plate is connected with a movable driving device and reciprocates along the axial direction of the rotating shaft under the driving action of the movable driving device.
The U-shaped connecting frame comprises shifting fork connecting pieces and connecting piece auxiliaries, the two shifting fork connecting pieces are connected between straight plates at the same ends of the shifting fork bent frame in an H shape, the upper ends of the shifting fork connecting pieces are connected with the transverse connecting piece auxiliaries, and the two ends of the movable connecting plate are respectively fixedly connected with the connecting piece auxiliaries at the two ends through movable connecting rods.
The mobile driving device is one of a sliding screw transmission device, a ball screw device, a hydraulic lifting device, an air pressure lifting device and a gear and rack driving device.
Preferably, the mobile driving device is a ball screw device and comprises a fixed seat, a sliding rail, a sliding block, a nut and a screw rod, wherein the fixed seat is fixedly arranged, the sliding rail is fixedly connected with the fixed seat and extends along the axial direction, the sliding block is connected to the sliding rail in a sliding mode, the sliding block is fixedly connected with the mobile connecting plate, the nut is fixedly connected with the sliding block, and the screw rod is screwed on the inner side of the nut.
Furthermore, the two sides of the nut are respectively provided with a sliding rail, each sliding rail is connected with a sliding block in a sliding mode, the two sliding blocks are connected through a connecting plate, and the connecting plate is fixedly connected with a movable connecting plate.
The disc-shaped composite motion component is sleeved on the stand columns through linear bearings and is axially fixed relative to the rotating part chassis, a rotating part upper pressure plate is arranged above the disc-shaped composite motion component in parallel, and the rotating part upper pressure plate is fixedly connected with the upper ends of the stand columns.
The disc-shaped composite motion component is composed of a lower annular flat plate, an upper annular flat plate and an annular side plate, the annular side plate is connected between the inner annular edges of the lower annular flat plate and the upper annular flat plate, and the lower annular flat plate and the upper annular flat plate are respectively connected with an upper bus and a lower bus of the needle bearing in a high-pair mode.
The technical scheme of the invention has the following beneficial effects: the invention provides a design scheme of a novel rotary and movable composite motion mechanism aiming at the requirement that a component does not only do fixed-axis rotation according to a certain motion rule but also do linear movement according to a certain motion rule in the working process. When the invention realizes the movement requirement, the composite movement component does composite movement, and the phenomenon that a power line of a motor or a hydraulic pipeline, a pneumatic pipeline and the like are wound on other components can not be generated, thereby solving the practical engineering problem and having practical application value.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the construction of the fork assembly of the present invention;
FIG. 4 is an enlarged top view of a disc-shaped composite motion member of the present invention;
fig. 5 is an enlarged view of a cross-sectional view taken along line a-a of fig. 4.
Description of reference numerals:
1. a movement driving device; 101. a fixed seat; 102. a slide rail; 103. a slider; 104. a nut; 105. a screw; 2. moving the connecting plate; 3. moving the connecting rod; 4. a connector accessory; 5. a shifting fork connecting piece; 6. a shifting fork bending frame; 7. a linear bearing; 8. a rotating member chassis; 9. a column; 10. a disc-shaped composite motion member; 11. a rotating part upper pressure plate; 12. a needle bearing.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the present invention provides a novel rotating and moving compound motion device, which comprises a moving part and a rotating part, wherein the rotating part comprises a rotating part chassis 8, an upright post 9 and a disc-shaped compound motion member 10, the rotating part chassis 8 is sleeved on a rotating shaft (not shown in the figure) and rotates along with the rotating shaft, the rotating part chassis 8 is provided with four upright posts 9, the disc-shaped compound motion member 10 is sleeved on the upright post 9 through a linear bearing 7, a rotating part upper pressure plate 11 is arranged above the disc-shaped compound motion member 10 in parallel, and the rotating part upper pressure plate 11 is fixedly connected with the upper end of the upright post 9.
The moving part comprises a moving driving device 1, a U-shaped connecting frame and a shifting fork assembly, the shifting fork assembly comprises 2 shifting fork bent frames 6, each shifting fork bent frame 6 comprises an arc-shaped plate and straight plates connected to two ends of the arc-shaped plate, the arc-shaped plates of the two shifting fork bent frames 6 are arranged on the side of a disc-shaped composite moving component 10, needle roller bearings 12 are arranged on the inner sides of the arc-shaped plates, and the disc-shaped composite moving component 10 is supported above the needle roller bearings 12 and rotates and slides relative to the arc-shaped plates.
As shown in fig. 4 and 5, the disc-shaped composite moving member 10 is composed of a lower annular flat plate, an upper annular flat plate, and an annular side plate, the annular side plate is connected between inner annular edges of the lower annular flat plate and the upper annular flat plate, the lower annular flat plate and the upper annular flat plate are respectively connected with upper and lower bus bars of the needle bearing 12, and the disc-shaped composite moving member 10 is driven by the needle bearing 12 to move axially.
The straight plates at the same ends of the two shifting fork bent frames 6 are connected through U-shaped connecting frames, the upper parts of the U-shaped connecting frames at the two ends are connected through a movable connecting plate 2, and the movable connecting plate 2 is connected with a movable driving device 1 and reciprocates along the axial direction of a rotating shaft under the driving action of the movable driving device 1.
The U-shaped link includes shifting fork connecting piece 5 and connecting piece auxiliary 4, two shift fork connecting piece 5 that is connected with the H shape between the straight board of 6 looks isoends of bent frame of shifting fork, the upper end of shifting fork connecting piece 5 is connected with horizontal connecting piece auxiliary 4, the both ends of moving connecting plate 2 are respectively through moving connecting rod 3 and the 4 fixed connection of connecting piece auxiliary at both ends.
The moving driving device 1 may be one of a sliding screw transmission device, a ball screw device, a hydraulic lifting device, a pneumatic lifting device, and a rack and pinion driving device.
In this embodiment, the preferable ball screw device of the mobile driving device 1 includes a fixed seat 101, a slide rail 102, a slider 103, a nut 104 and a screw 105, the fixed seat 101 is fixedly disposed, the slide rail 102 is fixedly connected with the fixed seat 101 and extends along an axial direction, the slider 103 is slidably connected to the slide rail 102, the slider 103 is fixedly connected with the mobile connection plate 2, the nut 104 is fixedly connected with the slider 103, and the screw 105 is screwed on an inner side of the nut 104.
Further, two sides of the nut 104 are respectively provided with a slide rail 102, each slide rail 102 is slidably connected with a slide block 103, the two slide blocks 103 are connected through a connecting plate, and the connecting plate is fixedly connected with the movable connecting plate 2.
The specific installation requirements and motion transfer of the present invention are as follows:
1. the rotating part chassis is fixedly connected with a rotating shaft (not shown in the figure) to obtain the rotating motion input;
2. the disc-shaped composite motion component is sleeved on the four upright posts of the rotary motion module through linear bearings, is coaxial with the rotating part chassis and rotates along with the rotary motion module;
3. the moving motion module is connected with the disc-shaped composite motion component through a shifting fork assembly through a high pair, and the relative motion between the moving motion module and the disc-shaped composite motion component is rotation and sliding;
4. the moving motion module is connected with a moving driving device fixed on the rack through a connecting piece auxiliary part, a moving connecting rod and a moving connecting plate, and a shifting fork bent frame drives the moving composite motion component to do linear motion along the rotating shaft under the driving of the moving driving device.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A novel rotating and moving compound motion device is characterized by comprising a moving part and a rotating part, wherein the rotating part comprises a rotating part chassis, upright posts and a disc-shaped compound motion component;
the shifting part comprises a shifting driving device, a U-shaped connecting frame and shifting fork assemblies, each shifting fork assembly comprises 2 shifting fork bent frames, each shifting fork bent frame comprises an arc-shaped plate and straight plates connected to two ends of the arc-shaped plate, the arc-shaped plates of the two shifting fork bent frames are arranged on the lateral sides of the disc-shaped composite motion component, needle roller bearings are arranged on the inner sides of the arc-shaped plates, and the disc-shaped composite motion component is supported above the needle roller bearings, rotates relative to the arc-shaped plates and slides;
the straight plates at the same ends of the two shifting fork bent frames are connected through a U-shaped connecting frame, the upper parts of the U-shaped connecting frames at the two ends are connected through a movable connecting plate, and the movable connecting plate is connected with a movable driving device and reciprocates along the axial direction of the rotating shaft under the driving action of the movable driving device.
2. The novel rotating and moving combined exercise device as claimed in claim 1, wherein the U-shaped connecting frame comprises two fork connecting pieces and two connecting piece auxiliaries, wherein the two straight plates at the same end of the two fork bending frames are connected with an H-shaped fork connecting piece, the upper end of the fork connecting piece is connected with a transverse connecting piece auxiliary, and the two ends of the moving connecting plate are respectively fixedly connected with the connecting piece auxiliaries at the two ends through moving connecting rods.
3. The novel rotary and translational compound motion device as recited in claim 1, wherein the translational drive device is one of a sliding screw drive, a ball screw device, a hydraulic lift device, a pneumatic lift device, a rack and pinion drive device.
4. The novel rotating and moving combined movement device according to claim 1 or 3, wherein the moving driving device is a ball screw device, and comprises a fixed seat, a slide rail, a slide block, a nut and a screw rod, the fixed seat is fixedly arranged, the slide rail is fixedly connected with the fixed seat and extends along the axial direction, the slide block is slidably connected with the slide rail, the slide block is fixedly connected with the moving connecting plate, the nut is fixedly connected with the slide block, and the screw rod is screwed inside the nut.
5. The novel rotating and moving combined exercise device according to claim 4, wherein each of the two sides of the nut is provided with a sliding track, each sliding track is slidably connected with a sliding block, the two sliding blocks are connected through a connecting plate, and the connecting plate is fixedly connected with the moving connecting plate.
6. The novel rotary and translational compound motion device as claimed in claim 1, wherein the base plate of the rotary part is provided with four upright posts, the disc-shaped compound motion member is sleeved on the upright posts through linear bearings and is axially fixed relative to the base plate of the rotary part, an upper pressure plate of the rotary part is arranged above the disc-shaped compound motion member in parallel, and the upper pressure plate of the rotary part is fixedly connected with the upper ends of the upright posts.
7. The novel rotary and translational compound motion device as claimed in claim 1 or 6, wherein the disc-shaped compound motion member is composed of a lower annular flat plate, an upper annular flat plate, and an annular side plate connected between inner annular edges of the lower and upper annular flat plates, which are respectively connected with upper and lower generatrix high pairs of needle bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010648058.2A CN111720512B (en) | 2020-07-07 | 2020-07-07 | Novel rotating and moving composite motion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010648058.2A CN111720512B (en) | 2020-07-07 | 2020-07-07 | Novel rotating and moving composite motion device |
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| Publication Number | Publication Date |
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| CN111720512A true CN111720512A (en) | 2020-09-29 |
| CN111720512B CN111720512B (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010648058.2A Active CN111720512B (en) | 2020-07-07 | 2020-07-07 | Novel rotating and moving composite motion device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004092871A (en) * | 2002-09-03 | 2004-03-25 | Tokyo Electron Ltd | Rotary drive mechanism and carrier device of workpiece |
| CN204486981U (en) * | 2015-02-08 | 2015-07-22 | 龙工（江西）机械有限公司 | Workpiece automatic ring welder |
| CN206967973U (en) * | 2017-02-23 | 2018-02-06 | 广州中国科学院先进技术研究所 | A kind of cylindrical type polar coordinates type 3D printer |
| CN207195593U (en) * | 2017-09-04 | 2018-04-06 | 保定金匠机电制造有限公司 | For providing the device of axial-rotation and axially reciprocating simultaneously |
| CN207309974U (en) * | 2017-08-10 | 2018-05-04 | 上海陛通半导体能源科技股份有限公司 | A kind of device rotated and keep vertical movement |
| CN212564289U (en) * | 2020-07-07 | 2021-02-19 | 南通大学 | Novel rotating and moving composite motion device |
-
2020
- 2020-07-07 CN CN202010648058.2A patent/CN111720512B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004092871A (en) * | 2002-09-03 | 2004-03-25 | Tokyo Electron Ltd | Rotary drive mechanism and carrier device of workpiece |
| CN204486981U (en) * | 2015-02-08 | 2015-07-22 | 龙工（江西）机械有限公司 | Workpiece automatic ring welder |
| CN206967973U (en) * | 2017-02-23 | 2018-02-06 | 广州中国科学院先进技术研究所 | A kind of cylindrical type polar coordinates type 3D printer |
| CN207309974U (en) * | 2017-08-10 | 2018-05-04 | 上海陛通半导体能源科技股份有限公司 | A kind of device rotated and keep vertical movement |
| CN207195593U (en) * | 2017-09-04 | 2018-04-06 | 保定金匠机电制造有限公司 | For providing the device of axial-rotation and axially reciprocating simultaneously |
| CN212564289U (en) * | 2020-07-07 | 2021-02-19 | 南通大学 | Novel rotating and moving composite motion device |
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| CN111720512B (en) | 2022-07-22 |
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