CN110686047A - Input end structure of servo rotary hollow platform - Google Patents
Input end structure of servo rotary hollow platform Download PDFInfo
- Publication number
- CN110686047A CN110686047A CN201910863745.3A CN201910863745A CN110686047A CN 110686047 A CN110686047 A CN 110686047A CN 201910863745 A CN201910863745 A CN 201910863745A CN 110686047 A CN110686047 A CN 110686047A
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- China
- Prior art keywords
- input shaft
- input
- shaft gear
- rotary hollow
- hollow platform
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- 230000007704 transition Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses an input end structure of a servo rotary hollow platform, which comprises a box body and an input part connected to the box body, wherein the input part comprises a connecting flange arranged on the box body, an input shaft is movably arranged in the connecting flange, an input shaft gear is arranged at the front end of the input shaft, the front end of the input shaft and the input shaft gear extend into the box body, at least two mounting holes are formed between the input shaft and the input shaft gear in a connecting way, positioning pins are inserted into the mounting holes to limit the axial freedom degree and the rotary freedom degree of the input shaft gear, at least one adjusting screw is arranged at the bottom of the box body, and the upper surface of the adjusting screw is connected with the connecting flange to adjust the height of the input shaft gear. Through the mode, the input end structure of the servo rotary hollow platform can accurately position the input shaft gear, and is convenient for adjusting the meshing degree of the output shaft gear.
Description
Technical Field
The invention relates to the field of rotary hollow platforms, in particular to an input end structure of a servo rotary hollow platform.
Background
The rotary hollow platform is mainly used for various rotary motion occasions such as a numerical control indexing device, a manipulator joint, a fourth machining shaft of a machine tool, a military radar, an automatic production line and the like, can replace a direct drive motor and a cam divider, integrates high working efficiency, high precision, high rigidity and high cost performance into a whole, is a revolutionary product in a rotary motion mechanism, is balanced between the two, has repeated positioning precision of less than or equal to 5 seconds, is easy to prepare a motor, is stable in bearing weight, can be matched with an AC servo motor or a stepping motor to perform arbitrary angle division, can meet the digital control which cannot be achieved by the divider, can match the positioning precision with a DD motor, and can greatly reduce the cost.
The connecting mode of the input shaft and the input shaft gear of the existing rotary hollow platform can cause the input shaft gear to have certain moving space in the axial direction and the circumferential direction, and the using effect of the rotary hollow platform is influenced.
Disclosure of Invention
The invention mainly solves the technical problem of providing an input end structure of a servo rotary hollow platform, which can accurately position an input shaft gear and is convenient for adjusting the meshing degree of an output shaft gear.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides an input structure of servo rotatory cavity platform, includes the box and connects the input part on the box, the input part is including installing the flange on the box, movable mounting has the input shaft in the flange, the input shaft gear is installed to the front end of input shaft and input shaft front end and input shaft gear stretch into inside the box, connect between input shaft and the input shaft gear and form two at least mounting holes, insert the axial degree of freedom and the rotational degree of freedom of locating pin in order to restrict the input shaft gear in the mounting hole, at least one adjusting screw is installed to the bottom half, adjusting screw's the higher authority is connected with flange with the height of adjusting the input shaft gear.
In a preferred embodiment of the present invention, the input shaft and the input shaft gear are in an interference fit.
In a preferred embodiment of the present invention, the mounting hole and the positioning pin are in an interference fit.
In a preferred embodiment of the present invention, the number of the mounting holes and the positioning pins is 2.
In a preferred embodiment of the present invention, the box body and the connecting flange are in clearance fit.
In a preferred embodiment of the invention, the number of the adjusting screws in the box body is 2.
In a preferred embodiment of the invention, the input shaft and the connecting flange are rotatably connected by deep groove ball bearings.
In a preferred embodiment of the present invention, a transition flange is further installed at the rear end of the connecting flange.
In a preferred embodiment of the invention, the rear end of the input shaft is connected with the servo motor in a clamping manner through a clamping clamp.
The invention has the beneficial effects that: the input end structure of the servo rotary hollow platform can accurately position the input shaft gear, and is convenient for adjusting the meshing degree of the output shaft gear.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of a servo rotary hollow platen according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1;
FIG. 3 is a front view of FIG. 2;
FIG. 4 is a schematic view of a portion of the structure of FIG. 1;
the parts in the drawings are numbered as follows: 1. the device comprises a box body, 2, a connecting shaft, 21, a mounting part, 3, a gear disc, 31, a face gear, 4, an input shaft, 5, an input shaft gear, 6, a crossed roller bearing, 61, an outer ring, 62, an inner ring, 7, a first bearing, 8, a framework oil seal, 9, a connecting flange, 10, a second bearing, 11, a clamping clamp, 12, a positioning pin, 13, an adjusting screw, 14, a bolt, 15, a transition flange, 16 and a mounting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 1 to 3, a servo rotary hollow platform includes a box 1, a connecting shaft 2 is rotatably connected in the box 1, a gear plate 3 is circumferentially installed on the connecting shaft 2, a face gear 31 is provided on a bottom surface of the gear plate 3, an input shaft 4 is installed on the box 1, an input shaft gear 5 is connected to a front end of the input shaft 4, and the input shaft gear 5 and the face gear 31 are engaged to form a face gear transmission structure.
In addition, the input shaft gear 5 and the gear disc 3 are in vertical meshing transmission, and the input shaft gear 5 is a cylindrical gear. The meshing structure has axial assembly freedom degree, is less sensitive to assembly errors, is easier for tooth profile trimming and backlash adjustment, and has higher contact rate.
In addition, the connecting shaft 2 is arranged in the box body 1 along the longitudinal direction, and the input shaft 4 is connected to the box body 1 along the transverse direction.
In addition, the housing 1 is provided with a cross roller bearing 6, an outer ring 61 of the cross roller bearing 6 is fixedly connected to the housing, and an inner ring 62 is integrally connected to the connecting shaft 2 and the gear plate 3. The connecting shaft 2 is provided with a raised mounting part 21, the inner ring of the crossed roller bearing 6 is sleeved on the connecting shaft, the inner ring 62 is fixedly connected to the upper end of the mounting part 21, and the gear disc 3 is fixedly mounted at the lower end of the mounting part 21. The inner race 62 of the cross roller bearing 6, the mounting portion 21, and the gear plate 3 are integrally connected by bolts 14. The crossed roller bearing 6 is used as an output end, and compared with the traditional tapered roller bearing, the output transmission precision, the transmission stability and the transmission stability are obviously improved.
In addition, the lower end of the connecting shaft 2 is rotatably connected to the box body 1 through a first bearing 7, and a framework oil seal 8 is further arranged between the box body 1 and the first bearing 7.
In addition, referring to fig. 4, a connecting flange 9 is mounted on the box body 1, a transition flange 15 is further mounted at the rear end of the connecting flange 9, the input shaft 4 is rotatably connected in the connecting flange 9 through a second bearing 10, the rear end of the input shaft 4 is connected with a servo motor in a clamping manner through a clamping clamp 11 to receive power input, the positioning pin 12 is a cylindrical pin, and the front end of the positioning pin is inserted into the mounting hole 16 through the cylindrical pin, so that the input shaft gear 5 is connected with the input shaft 4. The input shaft gear 5 is connected with the input shaft 4 through two cylindrical pins 12 on the shaft end face, the input shaft gear 5 is in interference fit with the input shaft 4, and the two cylindrical pins are in interference fit with the mounting holes 16 to limit the axial freedom degree and the rotational freedom degree of the input shaft gear 5.
In addition, the first bearing 7 and the second bearing 10 are both deep groove ball bearings.
In addition, at least one adjusting screw 13 is disposed below the case 1, and an upper end of the adjusting screw 13 is in contact with the connecting flange 9 to adjust the height of the connecting flange 9. A gap is reserved between the connecting flange 9 and the box body 1, the adjusting screw 13 is screwed on the bottom surface of the box body 1, and the adjusting screw 13 is rotated to enable the connecting flange 9 and the input shaft 4 to move, so that the effect of adjusting the meshing gap between the input shaft gear 5 and the gear disc is achieved. The number of the adjustment screws 13 may be 2 or more.
Different from the prior art, the input end structure of the servo rotary hollow platform can accurately position the input shaft gear, and is convenient for adjusting the meshing degree of the output shaft gear.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides an input structure of servo rotatory cavity platform, includes the box and connects the input part on the box, its characterized in that, the input part is including installing the flange on the box, movable mounting has the input shaft in the flange, the input shaft gear is installed to the front end of input shaft and input shaft front end and input shaft gear stretch into inside the box, connect between input shaft and the input shaft gear and form two at least mounting holes, insert the axial degree of freedom and the rotational degree of freedom of locating pin in order to restrict the input shaft gear in the mounting hole, at least one adjusting screw is installed to the bottom half, adjusting screw's the higher authority is connected with the flange and is used for adjusting the height of input shaft gear.
2. The input end structure of a servo rotary hollow platform of claim 1, wherein there is an interference fit between the input shaft and the input shaft gear.
3. The input end structure of a servo rotary hollow platform of claim 2, wherein the mounting hole and the locating pin are an interference fit.
4. The input end structure of a servo rotary hollow platform of claim 3, wherein the number of said mounting holes and positioning pins is 2.
5. The input-end configuration of a servo rotary hollow platform of claim 1, wherein the housing and the attachment flange are a clearance fit.
6. The input end structure of a servo rotary hollow platform of claim 5, wherein the number of the adjustment screws in the case is 2.
7. The input end structure of the servo rotary hollow platform of claim 1, wherein the input shaft and the connecting flange are rotationally connected by deep groove ball bearings.
8. The input end structure of a servo rotary hollow platform of claim 7, wherein a transition flange is further installed at the rear end of the connecting flange.
9. The input end structure of a servo rotary hollow platform of claim 8, wherein the rear end of the input shaft is in clamping connection with the servo motor by a clamping clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910863745.3A CN110686047A (en) | 2019-09-12 | 2019-09-12 | Input end structure of servo rotary hollow platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910863745.3A CN110686047A (en) | 2019-09-12 | 2019-09-12 | Input end structure of servo rotary hollow platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110686047A true CN110686047A (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910863745.3A Pending CN110686047A (en) | 2019-09-12 | 2019-09-12 | Input end structure of servo rotary hollow platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110686047A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008064836A1 (en) * | 2006-11-27 | 2008-06-05 | Graessner Gmbh & Co. Kg | Short design servomotor with angular gear |
| CN202493642U (en) * | 2012-03-20 | 2012-10-17 | 日本电产新宝(浙江)有限公司 | Speed reducer for electric vehicle |
| CN207982927U (en) * | 2018-01-29 | 2018-10-19 | 无锡市恒翼通机械有限公司 | Hollow rotating micro regulator for platform |
| CN209340446U (en) * | 2018-12-14 | 2019-09-03 | 宁波博信机械制造有限公司 | A kind of same shaft coupling structure of the reduction gearing of press machine |
| CN210715752U (en) * | 2019-09-12 | 2020-06-09 | 无锡市恒翼通机械有限公司 | Input end structure of servo rotary hollow platform |
-
2019
- 2019-09-12 CN CN201910863745.3A patent/CN110686047A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008064836A1 (en) * | 2006-11-27 | 2008-06-05 | Graessner Gmbh & Co. Kg | Short design servomotor with angular gear |
| CN202493642U (en) * | 2012-03-20 | 2012-10-17 | 日本电产新宝(浙江)有限公司 | Speed reducer for electric vehicle |
| CN207982927U (en) * | 2018-01-29 | 2018-10-19 | 无锡市恒翼通机械有限公司 | Hollow rotating micro regulator for platform |
| CN209340446U (en) * | 2018-12-14 | 2019-09-03 | 宁波博信机械制造有限公司 | A kind of same shaft coupling structure of the reduction gearing of press machine |
| CN210715752U (en) * | 2019-09-12 | 2020-06-09 | 无锡市恒翼通机械有限公司 | Input end structure of servo rotary hollow platform |
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