CN202484239U - Composite rotation and translation mechanism - Google Patents
Composite rotation and translation mechanism Download PDFInfo
- Publication number
- CN202484239U CN202484239U CN2012201036933U CN201220103693U CN202484239U CN 202484239 U CN202484239 U CN 202484239U CN 2012201036933 U CN2012201036933 U CN 2012201036933U CN 201220103693 U CN201220103693 U CN 201220103693U CN 202484239 U CN202484239 U CN 202484239U
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- rotatingshaft
- translation
- fixed seat
- lead screw
- shaft
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Abstract
The utility model discloses a composite rotation and translation mechanism, which consists of a rotation component and a translation component, wherein the rotation component drives a rotating shaft to rotate via a motor; the rotating shaft passes through a through hole of a screw shaft and is fixedly connected with a rotary work bench; and the rotating shaft drives the rotary work bench to rotate, and the translation component drives a worm gear to rotate through a worm rod and drives a translation work bench to move up and down. The composite rotation and translation mechanism meets the requirement of rotation movement and the requirement of translation movement in transmission, and does not generate the problems of movement interference of the rotation movement and the translation movement and movement interface of other subsidiary elements. The composite rotation and translation mechanism is simple in a mechanical structure, convenient to install and use, high in reliability, not easy to abrade, safe and reliable, and is suitable for a rotation system requiring rotation and translation and noninterference of rotation and translation.
Description
Technical field
The utility model relates to a kind of rotation translation composite mechanism, belongs to Machine Design and mechanical transmissioning technology field.
Background technique
Mechanically operated rotational motion and translational motion have a wide range of applications in occasions such as numerical control device, mechanism for testing and motion auxiliary system as two kinds of basic forms of motion.The rotational parameters in the control of lathe bit location, quality and rotary inertia are tested and the test of translation parameter; In gunboat movement position kinetic control system and the equipment; Need a kind of rotational motion and translational motion realization simultaneously in same equipment, and rotational motion and translational motion is separate, mutual noninterference; Occur movement interference in the equipment, the motion of other subsidiary component will be interfered, such as the wire harness of sensor twine, problems such as motor fluctuation is big, test failure, have a strong impact on the proper functioning of equipment and equipment.In the prior art, what the equipment of mechanical field was realized mostly is the mutual conversion between rotational motion and the translational motion, or has relevant contact, not independent between two kinds of motions, can not well satisfy the demand.
In patent 201120048346.0, disclose a kind of spiral lifting mechanism that is used for solar electrical energy generation, this spiral lifting mechanism utilizes worm-and-wheel gear to realize its movement conversion, is about to rotational motion and converts translational motion into.But what realize in its machinery is the mutual conversion of rotation and translation, has the occasion of translation not competent again for having rotation simultaneously.
The model utility content
Deficiency for fear of the existing technology existence; The utility model proposes a kind of rotation translation composite mechanism; Purpose is to make in the mechanical transmission mechanism requirement of not only satisfying the requirement of rotational motion but also satisfying translational motion; Simultaneously, do not rotate motion and the movement interference of translational motion and the problem of other subsidiary component motion artifacts, it is simple in structure, easy to use, reliability is high.
The utility model solves the technological scheme that its technical problem adopted: rotate the translation composite mechanism and be made up of Runner assembly and translation assembly two-part; Runner assembly comprises rotatingshaft, rotary work-table, rotatingshaft upper fixed seat, rotatingshaft lower fixed seat, upper end bearing, bottom end bearing, upper shaft back-up ring, lower end shaft retaining ring, spline, and the translation assembly comprises lead screw shaft, leading screw bearing, worm screw, worm gear, translation worktable, feed screw nut, flat key, leading screw axle sleeve;
Said rotary work-table upper-end surface is a circular flat, and there is a boss center, lower end surface, and the boss center is provided with Baltimore groove, and the groove bore axes is to being provided with spline;
One end of said rotatingshaft has the shaft shoulder, and the other end is provided with spline and is connected with rotary work-table; The motor driving rotatingshaft rotates, and rotatingshaft drives rotary work-table and rotates;
Said rotatingshaft upper fixed seat is two identical T shape structural members with the rotatingshaft lower fixed seat; Respectively there is through hole at rotatingshaft upper fixed seat and rotatingshaft lower fixed seat center; One end of rotatingshaft upper fixed seat and rotatingshaft lower fixed seat is built-in upper end bearing and bottom end bearing respectively, and the cylindrical section of the other end protrusion is provided with screw thread; Upper end shaft block ring, lower end shaft block ring are individually fixed in rotatingshaft; The motor driving rotatingshaft rotates, and drives rotary work-table and rotates;
Said lead screw shaft is a hollow cylinder; The intermediate portion is provided with boss on the lead screw shaft; On the lead screw shaft of boss one side screw thread is arranged, the moving worktable of fixed installation feed screw nut peace has a flat key groove on the lead screw shaft of boss opposite side; The lead screw shaft two end part are provided with internal thread, are threaded with rotatingshaft upper fixed seat and rotatingshaft lower fixed seat respectively;
Said worm gear central hole has the flat key groove, and worm gear is fixed on the lead screw shaft through flat key, and an end of worm gear is close to lead screw shaft intermediate portion boss, and the other end is blocked by the leading screw axle sleeve, through the leading screw bearing fixing; Worm screw is through the fixed installation of worm screw seat, and worm and wheel cooperates assembling, drives worm gear and rotates; Worm gear drives is rotated through the lead screw shaft that flat key connects with it; Lead screw shaft drives feed screw nut and moves up and down, and feed screw nut and translation worktable are affixed, moves up and down thereby drive the translation worktable.
Rotatingshaft passes the lead screw shaft through hole and is fixedly connected with rotary work-table.
During work, rotation does not interfere with each other with translation, both can rotate after the first translation, can rotate the back translation earlier yet.
The rotating operation step is following after elder generation's translation: rotate through worm screw, worm screw drives worm gear and lead screw shaft is rotated, and realizes moving up of feed screw nut and translation worktable; After reaching the requirement height; Worm screw backward rotation, worm screw drive worm gear and lead screw shaft is rotated, and the translation worktable is moved down; After getting back to the precalculated position, through motor driving rotatingshaft, rotary work-table rotation with it.In parallel moving mechanism, worm and worm gear, feed screw nut are self-locking mechanism, guarantee the reliability and security in the actual mechanical process.
It is following to rotate back translation operating procedure earlier: through motor driving rotatingshaft, rotary work-table rotation with it, worm screw is rotated again, and worm screw drives worm gear and lead screw shaft is rotated; Realize moving up of feed screw nut and translation worktable; After reaching the requirement height, the worm screw backward rotation, worm screw drives worm gear and lead screw shaft is rotated; The translation worktable is moved down, get back to the precalculated position.
The utility model beneficial effect is: rotate the translation composite mechanism and be made up of Runner assembly and translation assembly two-part, Runner assembly is rotated by the motor driving rotatingshaft, and rotatingshaft drives rotary work-table and rotates; The translation assembly drives worm gear through worm screw and rotates, and drives the translation worktable and moves up and down.In transmission, not only satisfy the requirement of rotational motion but also satisfied the requirement of translational motion, movement interference and other subsidiary component motion artifacts problem of do not rotate simultaneously motion and translational motion, its mechanical structure is simple; Easy to install; Reliability is high, and is not easy to wear, safe and reliable.Be applicable to not only to require rotation but also require translation, and two kinds of rotation systems that motion does not interfere with each other.
Description of drawings
Below in conjunction with accompanying drawing and mode of execution a kind of rotation translation of the utility model composite mechanism is done further explain.
Fig. 1 rotates the schematic representation of translation composite mechanism for the utility model.
Fig. 2 rotates the sectional view of translation composite mechanism for the utility model.
Fig. 3 is the schematic representation of the translation part of the utility model.
Fig. 4 is the sectional view of the translation part of the utility model.
Fig. 5 is the schematic representation of the rotating part of the utility model.
Fig. 6 is the sectional view of the rotating part of the utility model.
Among the figure:
1. rotatingshaft 2. rotatingshaft lower fixed seats 3. leading screw bearings 4. worm screws 5. worm gears 6. feed screw nuts 7. translation worktable 8. lead screw shaft 9. rotatingshaft upper fixed seats 10. rotary work-tables 11. splines 12. upper shaft back-up rings 13. upper end bearings 14. flat keys 15. leading screw axle sleeves 16. bottom end bearings 17. lower end shaft retaining rings
Embodiment
Present embodiment is a kind of rotation translation composite mechanism, comprises rotatingshaft 1, rotatingshaft lower fixed seat 2, leading screw bearing 3, worm screw 4, worm gear 5, feed screw nut 6, translation worktable 7, lead screw shaft 8, rotatingshaft upper fixed seat 9, rotary work-table 10, spline 11, upper shaft back-up ring 12, upper end bearing 13, flat key 14, leading screw axle sleeve 15, bottom end bearing 16, lower end shaft retaining ring 17;
Referring to Fig. 1, Fig. 2, rotate the translation composite mechanism and constitute by Runner assembly and translation assembly two-part, Runner assembly is rotated by motor driving rotatingshaft 1, and rotatingshaft 1 is connected through spline 11 with rotary work-table 10, and rotatingshaft 1 drives rotary work-table 10 and rotates.Runner assembly is connected through hollow lead screw shaft 8 with the translation assembly, and rotatingshaft 1 passes in the middle of hollow screw axis 8, and lead screw shaft 8 two end part are provided with internal thread, is threaded with rotatingshaft upper fixed seat 9 and rotatingshaft lower fixed seat 2 respectively; Built-in upper end bearing 13 in rotatingshaft upper fixed seat 9, built-in bottom end bearing 16 in rotatingshaft lower fixed seat 2, upper shaft back-up ring 12 and lower end shaft retaining ring 17 are with rotating shaft 1 stationary positioned.
The translation assembly drives worm gear 5 through worm screw 4 and rotates; Worm screw 4 is through the fixed installation of worm screw seat; Worm screw 4 cooperates assembling with worm gear 5, and worm gear 5 drives the lead screw shaft 8 that connects through flat key 14 with it and rotates, and lead screw shaft 8 drives feed screw nut 6 and moves up and down; Feed screw nut 6 is affixed with translation worktable 7, moves up and down thereby drive translation worktable 7.
Fig. 3, Fig. 4 and Fig. 5, Fig. 6 have showed the translation assembly and the Runner assembly of the utility model; Lead screw shaft 8 in the translation assembly is hollow cylinders; The intermediate portion of lead screw shaft 8 is provided with a boss, and the lead screw shaft 8 of boss one side is provided with screw thread, the moving worktable 7 of fixed installation feed screw nut 6 peace on the lead screw shaft 8; Be equipped with the flat key groove on the lead screw shaft 8 of boss opposite side; There is internal thread at lead screw shaft 8 two end part, and rotatingshaft 1 passes from lead screw shaft 8, lead screw shaft 8 two ends respectively with rotatingshaft upper fixed seat cylindrical section on outside thread be connected with rotatingshaft lower fixed seat cylindrical section on outside thread be connected; Rotatingshaft upper fixed seat 9 built-in upper end bearings 13, rotatingshaft lower fixed seat 2 built-in bottom end bearings 16 are individually fixed in rotatingshaft 1 by upper shaft back-up ring 12, lower end shaft retaining ring 17; Motor driving rotatingshaft 1 rotates, and rotatingshaft 1 drives rotary work-table 10 and rotates; Rotatingshaft 1 passes lead screw shaft 8 through holes and is fixedly connected with rotary work-table 10.During work, rotation does not interfere with each other with translation, both can rotate after the first translation, can rotate the back translation earlier yet.
The utility model rotates the translation composite mechanism and is used for the up-down of stage and the motion of rotation.When rotating the work of translation composite mechanism; At first rotate through worm screw 4, worm screw drives worm gear 5 and rotates with lead screw shaft 8, realizes that feed screw nut 6 and translation worktable 7 move up; After translation worktable 7 reaches the requirement height; Worm-and-wheel gear is realized self-locking mechanism, therefore can guarantee that translation worktable 7 can rest on predetermined height place accurately, has guaranteed the Security the when target on the translation worktable 7 operated; After reaching the requirement height, worm screw 4 backward rotation, worm screw 4 drives worm gear 5 and rotates with lead screw shaft 8; After making translation worktable 7 be moved down into the precalculated position; Drive rotatingshaft 1 through motor or other power section and rotate, and then drive rotary work-table 10 rotations, accomplish relevant operation.Otherwise, drives rotatingshaft 1 through motor or other power modes earlier and rotate, and then drive rotary work-table 10 rotates; Accomplish relevant operation; And then through rotary worm 4, and then driving worm gear 5 and lead screw shaft 8 rotations, realization feed screw nut 6 moves up and down with translation worktable 7.
Claims (2)
1. one kind is rotated the translation composite mechanism, it is characterized in that: comprise rotatingshaft, rotary work-table, rotatingshaft upper fixed seat, rotatingshaft lower fixed seat, upper end bearing, bottom end bearing, spline, upper shaft back-up ring, lower end shaft retaining ring, lead screw shaft, leading screw bearing, worm screw, worm gear, translation worktable, feed screw nut, flat key, leading screw axle sleeve;
Said rotary work-table upper-end surface is a circular flat, is provided with spline in the boss groove at lower end planar central place; One end of said rotatingshaft has the shaft shoulder, and the other end is provided with spline; Said rotatingshaft upper fixed seat is two identical T shape structural members with the rotatingshaft lower fixed seat; Respectively there is through hole at rotatingshaft upper fixed seat and rotatingshaft lower fixed seat center; One end of rotatingshaft upper fixed seat and rotatingshaft lower fixed seat is built-in upper end bearing and bottom end bearing respectively, and the cylindrical section of the other end protrusion is provided with screw thread; Upper end shaft block ring, lower end shaft block ring are individually fixed in rotatingshaft; The motor driving rotatingshaft rotates, and drives rotary work-table and rotates;
Said lead screw shaft is a hollow cylinder, and the lead screw shaft intermediate portion is provided with boss, on the lead screw shaft of boss one side screw thread is arranged, the moving worktable of fixed installation feed screw nut peace; One flat key groove is arranged on the lead screw shaft of boss opposite side, and the lead screw shaft two end part are provided with internal thread, are connected with the rotatingshaft lower fixed seat with the rotatingshaft upper fixed seat respectively; Said worm gear central hole has the flat key groove, and worm gear is fixed on the lead screw shaft through flat key, and an end of worm gear is close to lead screw shaft intermediate portion boss; The other end is blocked by the leading screw axle sleeve; Through the leading screw bearing fixing, drive worm gear through worm screw and rotate, drive the translation worktable and move up and down.
2. a kind of rotation translation composite mechanism according to claim 1, it is characterized in that: said rotatingshaft passes the lead screw shaft through hole and is fixedly connected with rotary work-table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201036933U CN202484239U (en) | 2012-03-19 | 2012-03-19 | Composite rotation and translation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201036933U CN202484239U (en) | 2012-03-19 | 2012-03-19 | Composite rotation and translation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202484239U true CN202484239U (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201036933U Expired - Lifetime CN202484239U (en) | 2012-03-19 | 2012-03-19 | Composite rotation and translation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202484239U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605752A (en) * | 2019-01-29 | 2019-04-12 | 陕西理工大学 | The 3D printing platform and implementation method of single motor driving |
| CN110259904A (en) * | 2019-06-20 | 2019-09-20 | 深圳市世椿智能装备股份有限公司 | A kind of internal spline lead screw |
-
2012
- 2012-03-19 CN CN2012201036933U patent/CN202484239U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605752A (en) * | 2019-01-29 | 2019-04-12 | 陕西理工大学 | The 3D printing platform and implementation method of single motor driving |
| CN110259904A (en) * | 2019-06-20 | 2019-09-20 | 深圳市世椿智能装备股份有限公司 | A kind of internal spline lead screw |
| CN110259904B (en) * | 2019-06-20 | 2024-06-07 | 深圳市世椿智能装备股份有限公司 | Internal spline screw |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |
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| CX01 | Expiry of patent term |