CN215763129U - Large-scale cavity intermittent type nature cam indexing structure - Google Patents
Large-scale cavity intermittent type nature cam indexing structure Download PDFInfo
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- CN215763129U CN215763129U CN202121207575.2U CN202121207575U CN215763129U CN 215763129 U CN215763129 U CN 215763129U CN 202121207575 U CN202121207575 U CN 202121207575U CN 215763129 U CN215763129 U CN 215763129U
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Abstract
The utility model discloses a large hollow intermittent cam indexing structure, which comprises a machine shell, an input assembly and an output assembly, wherein the input assembly comprises an input shaft and a cam, the output assembly comprises an output flange and needle roller bearings, the input shaft is rotatably connected onto the shell of the machine shell and is driven by an external driver to rotate, the cam is fixed outside the input shaft, the outer wall of the cam is provided with a contour curved surface, the output flange is rotatably connected onto the shell through a crossed roller bearing of the machine shell and is vertical to the different surface of the input shaft, the center of the output flange is hollow, one end of the output flange extends out of the output end surface of the shell, the crossed roller bearings are positioned at the output end surface, a plurality of the needle roller bearings are respectively fixed on the outer wall of the output flange in a surrounding manner and move along the track of the contour curved surface to drive the output flange to rotate, the bearing capacity is high, and the structure complexity is low, the electric appliance pipeline can be freely installed according to the requirement.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of cam dividers, in particular to the technical field of large-scale hollow intermittent cam indexing structures.
[ background of the utility model ]
The cam divider, also called cam indexer or intermittent divider, is a high-precision rotating device, can realize mechanical intermittent motion, and is an ideal product for replacing traditional mechanisms such as a geneva mechanism, a ratchet mechanism, an incomplete gear mechanism, a pneumatic control mechanism and the like. However, the conventional cam divider usually realizes power output through an output shaft, so that the bearing capacity of the output shaft is small, and various electric pipelines cannot be accommodated on the other hand, which is in need of solution.
[ Utility model ] content
The utility model aims to solve the problems in the prior art, and provides a large hollow intermittent cam indexing structure which is high in bearing capacity, low in structural complexity and capable of freely installing an electric appliance pipeline as required.
In order to achieve the purpose, the utility model provides a large hollow intermittent cam indexing structure, which comprises a machine shell, an input assembly and an output assembly, wherein the input assembly comprises an input shaft and a cam, the output assembly comprises an output flange and needle roller bearings, the input shaft is rotatably connected onto the shell of the machine shell and is driven by an external driver to rotate, the cam is fixed outside the input shaft, the outer wall of the cam is provided with a contour curved surface, the output flange is rotatably connected onto the shell through crossed roller bearings of the machine shell and is perpendicular to the different surface of the input shaft, the center of the output flange is hollow, one end of the output flange extends out of the output end surface of the shell, the crossed roller bearings are positioned at the output end surface, and a plurality of the needle roller bearings are respectively fixed on the outer wall of the output flange in a surrounding manner and move along the track of the contour curved surface to drive the output flange to rotate.
Preferably, one end of the input shaft is located in the housing, the other end of the input shaft penetrates through the input end face of the housing, an eccentric adjusting flange, an input bearing and an input adjusting flange are respectively sleeved outside the input shaft, the eccentric adjusting flange is located at the input end face and the other end face of the housing opposite to the input end face and is fixed with the housing, and the input adjusting flange is fixed on the eccentric adjusting flange and limits the input bearing between the eccentric adjusting flange and the input shaft.
Preferably, an input oil seal is arranged between the input shaft and the input adjusting flange and is positioned at the input end face.
Preferably, the housing is provided with an oil seal cover at the other end face with respect to the input end face.
Preferably, a pressing flange is arranged on the other end face of the shell opposite to the input end face, and the pressing flange is fixed with the shell and presses the eccentric adjusting flange to be tightly attached to the shell.
Preferably, a plurality of input sealing rings are respectively arranged between the eccentric adjusting flange and the shell, between the input adjusting flange and the pressing flange, and between the pressing flange and the shell.
Preferably, a plurality of output oil seals are arranged between the output flange and the shell.
Preferably, the bottom end of the shell is also provided with an exhaust valve.
The utility model has the beneficial effects that: the crossed roller bearing is arranged outside the output end face, the output flange is directly and rotatably connected onto the shell, and the precision grade and the rigidity of the crossed roller bearing are far stronger than those of a common bearing, so that the crossed roller bearing can bear radial and axial loads at the same time, and better radial run-out and axial run-out effects are achieved, thereby improving the bearing capacity of the device, reducing the structural complexity of the whole device and facilitating later maintenance; the output flange is hollow, so that the electric appliance pipeline can be freely installed as required.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic perspective view of a large hollow intermittent cam indexing structure of the present invention from one perspective;
FIG. 2 is a schematic perspective view of a large hollow intermittent cam indexing structure of the present invention from another perspective;
FIG. 3 is a left side view of a large hollow intermittent cam indexing structure of the present invention;
FIG. 4 is a front view of a large hollow intermittent cam indexing structure of the present invention;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 3;
FIG. 6 is a sectional view taken along line B-B of FIG. 4;
FIG. 7 is a front view of a cross roller bearing of a large hollow intermittent cam indexing arrangement of the present invention;
FIG. 8 is a sectional view taken along line A-A of FIG. 7;
in the figure: 1-machine shell, 11-shell, 12-eccentric adjusting flange, 13-input bearing, 14-input adjusting flange, 15-input oil seal, 16-oil seal cover, 17-pressing flange, 18-crossed roller bearing, 19-output oil seal, 2-input assembly, 21-input shaft, 22-cam, 221-contour curved surface, 3-output assembly, 31-output flange and 32-needle bearing.
[ detailed description ] embodiments
Referring to fig. 1 to 8, the indexing structure of a large hollow intermittent cam of the present invention comprises a housing 1, an input assembly 2 and an output assembly 3, the input assembly 2 includes an input shaft 21 and a cam 22, the output assembly 3 includes an output flange 31 and a needle bearing 32, the input shaft 21 is rotatably connected to the housing 11 of the housing 1 and is driven to rotate by an external driver, the cam 22 is fixed outside the input shaft 21 and the outer wall is provided with a contour curved surface 221, the output flange 31 is rotatably connected on the shell 11 through a crossed roller bearing 18 of the machine shell 1 and is vertical to the different surface of the input shaft 21, the output flange 31 is hollow in the center, one end of the output flange extends out of the output end face of the housing 11, the crossed roller bearings 18 are located at the output end face, and the plurality of needle roller bearings 32 are respectively fixed on the outer wall of the output flange 31 in a surrounding manner and move along the track of the contour curved surface 221 to drive the output flange 31 to rotate.
One end of the input shaft 21 is located in the housing 11, and the other end of the input shaft passes through the input end surface of the housing 11, an eccentric adjustment flange 12, an input bearing 13 and an input adjustment flange 14 are respectively sleeved outside the input shaft 21, the eccentric adjustment flange 12 is located at the input end surface and the other end surface of the housing 11 opposite to the input end surface and is fixed with the housing 11, and the input adjustment flange 14 is fixed on the eccentric adjustment flange 12 and limits the input bearing 13 between the eccentric adjustment flange 12 and the input shaft 21.
An input oil seal 15 is arranged between the input shaft 21 and the input adjusting flange 14, and the input oil seal 15 is positioned at the input end face.
The other end face of the housing 11 opposite to the input end face is provided with an oil seal cover 16.
The other end face of the shell 11 opposite to the input end face is provided with a pressing flange 17, and the pressing flange 17 is fixed with the shell 11 and presses the eccentric adjusting flange 12 to be tightly attached to the shell 11.
A plurality of input sealing rings are respectively arranged between the eccentric adjusting flange 12 and the shell 11, between the input adjusting flange 14 and the pressing flange 17 and between the pressing flange 17 and the shell 11.
A plurality of output oil seals 19 are arranged between the output flange 31 and the shell 11.
And an exhaust valve is also arranged at the bottom end of the shell 11.
The working process of the utility model is as follows:
during operation, the external drive drives the input shaft 21 to rotate, which drives the cam 22 to rotate within the housing 11. At this time, the needle bearings 32 engaged with the cam 22 move along the track of the curved contour surface 221 of the rotating cam 22, so as to rotate the output flange 31.
The crossed roller bearing is arranged outside the output end face, the output flange is directly and rotatably connected onto the shell, and the precision grade and the rigidity of the crossed roller bearing are far stronger than those of a common bearing, so that the crossed roller bearing can bear radial and axial loads at the same time, and better radial run-out and axial run-out effects are achieved, thereby improving the bearing capacity of the device, reducing the structural complexity of the whole device and facilitating later maintenance; the output flange is hollow, so that the electric appliance pipeline can be freely installed as required.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a large-scale cavity intermittent type nature cam indexing structure which characterized in that: the automatic feeding device comprises a machine shell (1), an input assembly (2) and an output assembly (3), wherein the input assembly (2) comprises an input shaft (21) and a cam (22), the output assembly (3) comprises an output flange (31) and needle roller bearings (32), the input shaft (21) is rotatably connected onto a shell (11) of the machine shell (1) and is driven to rotate by an external driver, the cam (22) is fixed outside the input shaft (21) and is provided with a contour curved surface (221) on the outer wall, the output flange (31) is rotatably connected onto the shell (11) through crossed roller bearings (18) of the machine shell (1) and is perpendicular to different surfaces of the input shaft (21), the center of the output flange (31) is hollow, one end of the output flange extends out of the output end surface of the shell (11), the crossed roller bearings (18) are located at the output end surface, and the needle roller bearings (32) are respectively fixed on the outer wall of the output flange (31) in a surrounding mode and are movable along the track of the contour curved surface (221) The output flange (31) is driven to rotate.
2. The large hollow intermittent cam indexing structure of claim 1, wherein: one end of the input shaft (21) is located in the shell (11), the other end of the input shaft penetrates through the input end face of the shell (11), an eccentric adjusting flange (12), an input bearing (13) and an input adjusting flange (14) are respectively sleeved outside the input shaft (21), the eccentric adjusting flange (12) is located at the input end face and the other end face of the shell (11) relative to the input end face and is fixed with the shell (11), and the input adjusting flange (14) is fixed on the eccentric adjusting flange (12) and limits the input bearing (13) between the eccentric adjusting flange (12) and the input shaft (21).
3. A large hollow intermittent cam indexing structure as claimed in claim 2, wherein: an input oil seal (15) is arranged between the input shaft (21) and the input adjusting flange (14), and the input oil seal (15) is located at the input end face.
4. A large hollow intermittent cam indexing structure as claimed in claim 3 wherein: an oil seal cover (16) is arranged at the other end face of the shell (11) relative to the input end face.
5. The large hollow intermittent cam indexing structure of claim 4, wherein: and a pressing flange (17) is arranged at the other end face of the shell (11) relative to the input end face, and the pressing flange (17) is fixed with the shell (11) and presses the eccentric adjusting flange (12) to be tightly attached to the shell (11).
6. The large hollow intermittent cam indexing structure of claim 5, wherein: and a plurality of input sealing rings are respectively arranged between the eccentric adjusting flange (12) and the shell (11), between the input adjusting flange (14) and the pressing flange (17) and between the pressing flange (17) and the shell (11).
7. The large hollow intermittent cam indexing structure of claim 1, wherein: and a plurality of output oil seals (19) are arranged between the output flange (31) and the shell (11).
8. The large hollow intermittent cam indexing structure of claim 1, wherein: an exhaust valve is further arranged at the bottom end of the shell (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207575.2U CN215763129U (en) | 2021-06-01 | 2021-06-01 | Large-scale cavity intermittent type nature cam indexing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207575.2U CN215763129U (en) | 2021-06-01 | 2021-06-01 | Large-scale cavity intermittent type nature cam indexing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215763129U true CN215763129U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121207575.2U Active CN215763129U (en) | 2021-06-01 | 2021-06-01 | Large-scale cavity intermittent type nature cam indexing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215763129U (en) |
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2021
- 2021-06-01 CN CN202121207575.2U patent/CN215763129U/en active Active
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