CN210715752U - Input end structure of servo rotary hollow platform - Google Patents
Input end structure of servo rotary hollow platform Download PDFInfo
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- CN210715752U CN210715752U CN201921518955.0U CN201921518955U CN210715752U CN 210715752 U CN210715752 U CN 210715752U CN 201921518955 U CN201921518955 U CN 201921518955U CN 210715752 U CN210715752 U CN 210715752U
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- input shaft
- input
- shaft gear
- flange
- rotary hollow
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Abstract
The utility model discloses an input structure of servo rotatory cavity platform, including box and the input portion of connection on the box, the input portion 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 with the restriction 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 in order to adjust the height of input shaft gear. In this way, the utility model discloses servo rotatory cavity platform's input end structure can accurate location input shaft gear, is convenient for adjust the degree of engagement of output shaft gear.
Description
Technical Field
The utility model relates to a rotatory cavity platform field especially relates to a servo rotatory cavity platform's input end structure.
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 utility model discloses the main technical problem who solves provides a servo rotatory cavity platform's input end structure, can accurate location input shaft gear, the degree of engagement of being convenient for adjust the output shaft gear.
In order to solve the technical problem, the utility model discloses a technical scheme be: 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 present invention, the number of the adjusting screws in the box body is 2.
In a preferred embodiment of the present invention, the input shaft and the connecting flange are rotatably connected by a deep groove ball bearing.
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 present invention, the rear end of the input shaft is connected to the servo motor by a clamp.
The utility model has the advantages that: the utility model discloses servo rotatory cavity platform's input end structure can accurate location input shaft gear, is convenient for adjust the degree of engagement of output shaft gear.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and 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 without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of the servo rotary hollow platform 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 described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to 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.
Be different from prior art, the utility model discloses servo rotatory cavity platform's input end structure can accurate location input shaft gear, is convenient for adjust the degree of engagement of output shaft gear.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection 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 |
|---|---|---|---|
| CN201921518955.0U CN210715752U (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 |
|---|---|---|---|
| CN201921518955.0U CN210715752U (en) | 2019-09-12 | 2019-09-12 | Input end structure of servo rotary hollow platform |
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| Publication Number | Publication Date |
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| CN210715752U true CN210715752U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921518955.0U Active CN210715752U (en) | 2019-09-12 | 2019-09-12 | Input end structure of servo rotary hollow platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686047A (en) * | 2019-09-12 | 2020-01-14 | 无锡市恒翼通机械有限公司 | Input end structure of servo rotary hollow platform |
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2019
- 2019-09-12 CN CN201921518955.0U patent/CN210715752U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686047A (en) * | 2019-09-12 | 2020-01-14 | 无锡市恒翼通机械有限公司 | Input end structure of servo rotary hollow platform |
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