CN215763126U - Structure capable of freely adjusting clearance fit between needle bearing and cam in three directions - Google Patents
Structure capable of freely adjusting clearance fit between needle bearing and cam in three directions Download PDFInfo
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- CN215763126U CN215763126U CN202121207591.1U CN202121207591U CN215763126U CN 215763126 U CN215763126 U CN 215763126U CN 202121207591 U CN202121207591 U CN 202121207591U CN 215763126 U CN215763126 U CN 215763126U
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Abstract
The utility model discloses a structure capable of freely adjusting a needle bearing and a cam in a clearance fit manner in three directions, 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 shaft and the needle bearing, the input shaft and the output shaft are respectively arranged along the X-axis direction and the Z-axis direction and are rotatably connected onto a shell of the machine shell, the input shaft is controlled by an input adjusting and fixing element of the machine shell to move and adjust along the X-axis direction or the Y-axis direction, the output shaft is controlled by an output adjusting and fixing element of the machine shell to move and adjust along the Z-axis direction, the input shaft 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, a plurality of the needle bearings are respectively fixed on the outer wall of the output shaft in a surrounding manner and move along the track of the contour curved surface to drive the output shaft to rotate, the cam divider can be guaranteed to maintain normal work, the overall structure is simple, and the installation and the adjustment are convenient and fast.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of cam dividers, in particular to a structure capable of freely adjusting clearance fit between a needle bearing and a cam in three directions.
[ 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. A certain clearance is usually required to be kept between the needle roller bearing of the cam divider and the cam, otherwise, hard friction is generated between the needle roller bearing and the cam, and therefore self-damage is caused. However, as the usage time increases, the gap gradually changes, and the adjustment from each direction is difficult in the later period, so that the cam divider is difficult to work normally, and a solution is needed.
[ Utility model ] content
The utility model aims to solve the problems in the prior art, provides a structure which can freely adjust the clearance fit between a needle bearing and a cam in three directions, can realize the position adjustment of the clearance between the cam arranged on an input shaft and the needle bearing arranged on an output shaft in the three directions, ensures that a cam divider keeps normal work, and has simple integral structure and convenient installation and adjustment.
In order to achieve the purpose, the utility model provides a structure which can freely adjust the clearance fit between a needle bearing and a cam in three directions, comprising a machine shell, an input assembly and an output assembly, the input assembly includes an input shaft and a cam, the output assembly includes an output shaft and a needle bearing, the input shaft and the output shaft are respectively arranged along the X-axis direction and the Z-axis direction and are rotatably connected on the shell of the machine shell, the input shaft is controlled by an input adjusting fixing element of the machine shell to move and adjust along the X-axis direction or the Y-axis direction, the output shaft is controlled by an output adjusting and fixing element of the machine shell to move and adjust along the Z-axis direction, the input shaft is driven to rotate by an external driver, the cam is fixed outside the input shaft, the outer wall of the cam is provided with a contour curved surface, and the plurality of needle roller bearings are fixed on the outer wall of the output shaft in a surrounding mode respectively and move along the track of the contour curved surface to drive the output shaft to rotate.
Preferably, the input adjusting and fixing element includes an eccentric adjusting flange, an input bearing and an input adjusting flange, two ends of the input shaft respectively penetrate through the input end surfaces on two sides of the housing, the eccentric adjusting flange, the input bearing and the input adjusting flange are respectively sleeved outside the input shaft, the eccentric adjusting flange is located at the input end surface and fixed to the housing, and the input adjusting flange is fixed to the eccentric adjusting flange and limits the input bearing between the eccentric adjusting flange and the input shaft.
Preferably, a plurality of input sealing rings are respectively arranged between the eccentric adjusting flange and the shell and between the eccentric adjusting flange and the input adjusting flange.
Preferably, the output adjusting and fixing element includes a first output flange, a first output bearing, a second output flange and a second output bearing, one end of the output shaft is located inside the housing, and the other end of the output shaft penetrates through the output end face of the housing, the first output flange, the first output bearing, the second output flange and the second output bearing are respectively sleeved outside the output shaft, the first output flange is located at the output end face and fixed to the housing and limits the first output bearing between the housing and the output shaft, and the second output flange is located at the other end face of the housing opposite to the output end face and fixed to the housing and limits the second output bearing between the housing and the output shaft.
Preferably, a plurality of rings of output sealing rings are respectively arranged between the shell and the first output flange and between the shell and the second output flange.
The utility model has the beneficial effects that: according to the cam divider, the input adjusting fixing element is arranged to control the input shaft to move and adjust on the shell along the X-axis or Y-axis direction, and the output adjusting fixing element is used to control the output shaft to move and adjust on the shell along the Z-axis direction, so that the position of a gap between a cam mounted on the input shaft and a needle bearing mounted on the output shaft is adjusted in three directions, the cam divider is guaranteed to maintain normal work, the overall structure is simple, and the cam divider is convenient to mount and adjust.
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 the structure of the present invention in which the adjustment of the clearance fit between the needle bearing and the cam can be freely performed in three directions;
FIG. 2 is a top view of the three-way needle bearing and cam clearance adjustment mechanism of the present invention;
FIG. 3 is a rear view of the structure of the present invention in which the adjustment of the clearance fit between the needle roller bearing and the cam can be freely performed in three directions;
FIG. 4 is a cross-sectional view taken along line D-D of FIG. 2;
FIG. 5 is a sectional view taken along line B-B of FIG. 2;
fig. 6 is a sectional view taken along line E-E of fig. 3.
In the figure: 1-machine shell, 11-shell, 12-eccentric adjusting flange, 13-input bearing, 14-input adjusting flange, 15-first output flange, 16-first output bearing, 17-second output flange, 18-second output bearing, 2-input component, 21-input shaft, 22-cam, 221-contour surface, 3-output component, 31-output shaft and 32-needle bearing.
[ detailed description ] embodiments
Referring to fig. 1 to 6, the present invention provides a structure capable of freely adjusting a needle bearing and a cam in clearance fit in three directions, including a housing 1, an input assembly 2 and an output assembly 3, where the input assembly 2 includes an input shaft 21 and a cam 22, the output assembly 3 includes an output shaft 31 and a needle bearing 32, the input shaft 21 and the output shaft 31 are respectively disposed along an X-axis direction and a Z-axis direction and rotatably connected to a housing 11 of the housing 1, the input shaft 21 is controlled by an input adjustment fixing element of the housing 1 to move and adjust along the X-axis or the Y-axis direction, the output shaft 31 is controlled by an output adjustment fixing element of the housing 1 to move and adjust along the Z-axis direction, the input shaft 21 is driven to rotate by an external driver, the cam 22 is fixed outside the input shaft 21 and has a contour curved surface 221 on an outer wall, and the needle bearings 32 are respectively fixed on an outer wall of the output shaft 31 in a surrounding manner and move along a trajectory of the contour curved surface 221 and bring about the contour The motive output shaft 31 rotates.
The input adjustment fixing element comprises an eccentric adjustment flange 12, an input bearing 13 and an input adjustment flange 14, two ends of the input shaft 21 penetrate through the input end faces on two sides of the shell 11 respectively, the eccentric adjustment flange 12, the input bearing 13 and the input adjustment flange 14 are sleeved outside the input shaft 21 respectively, the eccentric adjustment flange 12 is located at the input end face and fixed with the shell 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.
A plurality of input sealing rings are respectively arranged between the eccentric adjusting flange 12 and the shell 11 and between the eccentric adjusting flange and the input adjusting flange 14.
The output adjusting and fixing element comprises a first output flange 15, a first output bearing 16, a second output flange 17 and a second output bearing 18, one end of the output shaft 31 is located in the housing 11, and the other end of the output shaft penetrates through the output end face of the housing 11, the first output flange 15, the first output bearing 16, the second output flange 17 and the second output bearing 18 are respectively sleeved outside the output shaft 31, the first output flange 15 is located at the output end face and fixed with the housing 11 and limits the first output bearing 16 between the housing 11 and the output shaft 31, and the second output flange 17 is located at the other end face of the housing 11 opposite to the output end face and fixed with the housing 11 and limits the second output bearing 18 between the housing 11 and the output shaft 31.
A plurality of rings of output sealing rings are respectively arranged between the shell 11 and the first output flange 15 and the second output flange 17.
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 roller 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 drive the output shaft 31 to rotate.
Before or after the operation for a certain period of time, the position of the input shaft 21 in the X-axis direction (between the input end surfaces on both sides, i.e., between the T-surface and the U-surface) can be adjusted by the input adjustment flange 14, the position of the input shaft 21 in the Y-axis direction (between the S-surface and the R-surface) can be adjusted by the eccentric adjustment flange 12, and the position of the output shaft 31 in the Z-axis direction (between the output end surface and the opposite end surface thereof, i.e., between the V-surface and the W-surface) can be adjusted by the first output flange 15 and the second output flange 17, thereby achieving the position adjustment of the gap between the cam 22 and the needle bearing 32 in three directions.
According to the cam divider, the input adjusting fixing element is arranged to control the input shaft to move and adjust on the shell along the X-axis or Y-axis direction, and the output adjusting fixing element is used to control the output shaft to move and adjust on the shell along the Z-axis direction, so that the position of a gap between a cam mounted on the input shaft and a needle bearing mounted on the output shaft is adjusted in three directions, the cam divider is guaranteed to maintain normal work, the overall structure is simple, and the cam divider is convenient to mount and adjust.
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 (5)
1. The structure that three directions can freely carry out bearing and cam clearance fit adjustment, its characterized in that: the input assembly (2) comprises an input shaft (21) and a cam (22), the output assembly (3) comprises an output shaft (31) and needle roller bearings (32), the input shaft (21) and the output shaft (31) are arranged along the X-axis direction and the Z-axis direction respectively and are rotatably connected onto a shell (11) of the machine shell (1), the input shaft (21) is controlled by an input adjusting fixing element of the machine shell (1) to move and adjust along the X-axis direction or the Y-axis direction, the output shaft (31) is controlled by an output adjusting fixing element of the machine shell (1) to move and adjust along the Z-axis direction, the input shaft (21) is driven to rotate by an external driver, the cam (22) is fixed outside the input shaft (21) and provided with a contour curved surface (221) on the outer wall, and a plurality of the needle roller bearings (32) are fixed on the outer wall of the output shaft (31) in a surrounding mode and are arranged along the contour curved surface (31) respectively The track of the surface (221) moves to drive the output shaft (31) to rotate.
2. The structure of claim 1, wherein the adjustment of the clearance fit between the needle bearing and the cam can be freely performed in three directions, and the structure comprises: the input adjustment fixing element comprises an eccentric adjustment flange (12), an input bearing (13) and an input adjustment flange (14), two ends of an input shaft (21) penetrate out of input end faces of two sides of a shell (11) respectively, the eccentric adjustment flange (12), the input bearing (13) and the input adjustment flange (14) are sleeved outside the input shaft (21) respectively, the eccentric adjustment flange (12) is located at the input end face and fixed with the shell (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).
3. The structure of claim 2, wherein the adjustment of the clearance fit between the needle bearing and the cam can be freely performed in three directions, and the structure comprises: a plurality of input sealing rings are respectively arranged between the eccentric adjusting flange (12) and the shell (11) and between the eccentric adjusting flange and the input adjusting flange (14).
4. The structure of claim 1, wherein the adjustment of the clearance fit between the needle bearing and the cam can be freely performed in three directions, and the structure comprises: the output adjusting and fixing element comprises a first output flange (15), a first output bearing (16), a second output flange (17) and a second output bearing (18), one end of the output shaft (31) is positioned in the shell (11) and the other end penetrates out of the output end surface of the shell (11), the first output flange (15), the first output bearing (16), the second output flange (17) and the second output bearing (18) are respectively sleeved outside the output shaft (31), the first output flange (15) is located at the output end face and fixed with the housing (11) and limits the first output bearing (16) between the housing (11) and the output shaft (31), the second output flange (17) is located at the other end face of the housing (11) relative to the output end face and is fixed with the housing (11) and limits the second output bearing (18) between the housing (11) and the output shaft (31).
5. The structure of claim 4, wherein the adjustment of the clearance fit between the needle roller bearing and the cam can be freely performed in three directions, and the structure comprises: and a plurality of rings of output sealing rings are respectively arranged between the shell (11) and the first output flange (15) and the second output flange (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207591.1U CN215763126U (en) | 2021-06-01 | 2021-06-01 | Structure capable of freely adjusting clearance fit between needle bearing and cam in three directions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207591.1U CN215763126U (en) | 2021-06-01 | 2021-06-01 | Structure capable of freely adjusting clearance fit between needle bearing and cam in three directions |
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| Publication Number | Publication Date |
|---|---|
| CN215763126U true CN215763126U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121207591.1U Active CN215763126U (en) | 2021-06-01 | 2021-06-01 | Structure capable of freely adjusting clearance fit between needle bearing and cam in three directions |
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| CN (1) | CN215763126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116336160A (en) * | 2023-05-30 | 2023-06-27 | 尚金精密机械(山东)有限公司 | Position-adjustable cam divider |
-
2021
- 2021-06-01 CN CN202121207591.1U patent/CN215763126U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116336160A (en) * | 2023-05-30 | 2023-06-27 | 尚金精密机械(山东)有限公司 | Position-adjustable cam divider |
| CN116336160B (en) * | 2023-05-30 | 2023-08-08 | 尚金精密机械(山东)有限公司 | Position-adjustable cam divider |
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