CN220421605U - Motor shaft encoder connecting structure capable of reducing encoder temperature rise - Google Patents
Motor shaft encoder connecting structure capable of reducing encoder temperature rise Download PDFInfo
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- CN220421605U CN220421605U CN202320465135.XU CN202320465135U CN220421605U CN 220421605 U CN220421605 U CN 220421605U CN 202320465135 U CN202320465135 U CN 202320465135U CN 220421605 U CN220421605 U CN 220421605U
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- 239000004744 fabric Substances 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims description 7
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- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
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- 239000002360 explosive Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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Abstract
The utility model provides a motor axis encoder connecting structure for reducing the temperature rise of an encoder, which enables a rotating shaft to be connected with the encoder through a fixed block, so that a physical isolation part exists between the rotating shaft and the encoder, thereby reducing the temperature rise of the encoder, ensuring the normal operation of the encoder and ensuring the service life of the encoder. It comprises the following steps: a rotating shaft; the fixing block comprises a cylinder table and a mounting convex column, wherein concave positioning hole slots are annularly distributed on the cylinder table, a concave fastening hole is formed in the center of the front end of the mounting convex column, and a concave positioning slot is formed in the center of the rear end face of the cylinder table; an encoder; the front convex positioning ring is arranged at the center of the positioning convex column, the front convex positioning ring is inserted and positioned in the concave positioning groove, and the fastening screws respectively penetrate through the concave positioning hole grooves and then are fixedly arranged in the corresponding ring cloth positioning holes of the positioning convex column.
Description
Technical Field
The utility model relates to the technical field of encoder connection, in particular to a motor axis encoder connection structure for reducing encoder temperature rise.
Background
The servo motor is required to be additionally provided with a feedback component for controlling the precision of the motor, the feedback component comprises an optical encoder, a rotary transformer, a magnetic encoder and the like, the feedback component is required to be connected with a rotating shaft and is generally arranged at the center of the tail end of the rotating shaft, and the common size of the feedback component is phi 6mm or phi 8mm. The existing feedback component is directly connected to the rotating shaft in a mounting connection manner, when the feedback component is an encoder in actual operation, the working temperature of the encoder is about 85 ℃ or 105 ℃, the insulation temperature grade of the servo motor is F-level, the allowable maximum temperature of the servo motor is 155 ℃, the temperature of the motor is easily transmitted to the encoder through the rotating shaft, and the encoder is easy to be abnormal or the service life of the encoder component is easy to be reduced.
Disclosure of Invention
In order to solve the problems, the utility model provides a motor shaft encoder connecting structure for reducing the temperature rise of an encoder, which enables a rotating shaft to be connected with the encoder through a fixed block, so that a physical isolation part exists between the rotating shaft and the encoder, the temperature rise of the encoder is reduced, the normal operation of the encoder is ensured, and the service life of the encoder is ensured.
Motor axle center encoder connection structure that reduces encoder temperature rise, its characterized in that includes:
a rotating shaft;
the fixing block comprises a cylinder table and a mounting convex column, wherein concave positioning hole slots are annularly distributed on the cylinder table, a concave fastening hole is formed in the center of the front end of the mounting convex column, and a concave positioning slot is formed in the center of the rear end face of the cylinder table;
an encoder;
the center of the tail end of the rotating shaft is convexly provided with a positioning convex column, the center of the positioning convex column is provided with a forwardly convex positioning ring, the forwardly convex positioning ring is inserted and positioned in the inwards concave positioning groove, fastening screws respectively penetrate through inwards concave positioning hole grooves and are fixedly arranged in corresponding ring cloth positioning holes of the positioning convex column, and the encoder is sleeved on the mounting convex column and fixedly connected with the inwards concave fastening holes through the center positioning screws;
the fixed block is made of plastic.
It is further characterized by:
the fixing block is made of PEEK plastic;
the diameter of the cylinder table is the same as that of the positioning convex column, so that reliable and stable contact between the cylinder table and the positioning convex column is ensured;
the front convex positioning ring is fixedly inserted and positioned in the concave positioning groove, so that stable and reliable radial positioning is ensured.
After the utility model is adopted, the encoder is installed on the rotating shaft for light load, high strength is not needed, the material of the fixed block is plastic material, and the utility model not only effectively reduces the cost, but also effectively avoids the failure of the encoder caused by overheat of the environment due to temperature rise of the motor; the rotary shaft is connected with the encoder through the fixed block, so that a physical isolation part exists between the rotary shaft and the encoder, the temperature rise of the encoder is reduced, the normal operation of the encoder is ensured, and the service life of the encoder is ensured.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 3 is a schematic perspective view of a fixing block according to the present utility model;
FIG. 4 is a second perspective view of the fixing block of the present utility model;
the names corresponding to the serial numbers in the figures are as follows:
the rotary shaft 10, the positioning convex column 11, the front convex positioning ring 12, the fixed block 20, the cylinder table 21, the mounting convex column 22, the inward concave positioning hole groove 23, the avoidance notch 231, the through hole 232, the inward concave fastening hole 24, the inward concave positioning groove 25, the fastening screw 26 and the encoder 30.
Detailed Description
The motor shaft encoder connecting structure for reducing the temperature rise of the encoder, see fig. 1-4, comprises a rotating shaft 10, a fixed block 20 and an encoder 30;
the fixed block 20 comprises a cylinder table 21 and a mounting convex column 22, wherein a concave positioning hole groove 23 is annularly distributed on the cylinder table 21, a concave fastening hole 24 is arranged at the center of the front end of the mounting convex column 22, and a concave positioning groove 25 is arranged at the center of the rear end face of the cylinder table 21;
the center of the tail end of the rotating shaft 10 is convexly provided with a positioning convex column 11, the center of the positioning convex column 11 is provided with a forward convex positioning ring 12, the forward convex positioning ring 12 is inserted and positioned in a concave positioning groove 25, fastening screws 26 respectively penetrate through concave positioning hole grooves 23 and are fixedly arranged in corresponding ring cloth positioning holes 13 of the positioning convex column 11, and an encoder 30 is sleeved on the mounting convex column 22 and fixedly connected with a concave fastening hole 24 through a center positioning screw (which is shielded in the figure and belongs to the prior art);
in specific implementation, the fixing block 20 is made of PEEK plastic, two ends of the same diameter of the cylinder bench 21 are respectively provided with a concave positioning hole groove 23, the concave positioning hole groove 23 comprises an avoidance notch 231 and a through hole 232, two fastening screws 26 are arranged in the avoidance notch 231, and the ends penetrate through the corresponding through holes 232 and then are fixedly connected in the positioning holes 13;
the diameter of the cylinder table 21 is the same as that of the positioning convex column 11, so that reliable and stable contact between the cylinder table and the positioning convex column is ensured;
the front convex positioning ring 12 is fixedly inserted and positioned in the concave positioning groove 25, so that the radial positioning is ensured to be stable and reliable.
The working principle is as follows: the encoder is arranged on the rotating shaft and is light-loaded, high strength is not needed, the fixed block is made of plastic, the cost is effectively reduced, and the encoder failure caused by the overheat of the environment due to the temperature rise of the motor is effectively avoided; the rotary shaft is connected with the encoder through the fixed block, so that a physical isolation part exists between the rotary shaft and the encoder, the temperature rise of the encoder is reduced, the normal operation of the encoder is ensured, and the service life of the encoder is ensured.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. Motor axle center encoder connection structure that reduces encoder temperature rise, its characterized in that includes:
a rotating shaft;
the fixing block comprises a cylinder table and a mounting convex column, wherein concave positioning hole slots are annularly distributed on the cylinder table, a concave fastening hole is formed in the center of the front end of the mounting convex column, and a concave positioning slot is formed in the center of the rear end face of the cylinder table;
an encoder;
the center of the tail end of the rotating shaft is convexly provided with a positioning convex column, the center of the positioning convex column is provided with a forwardly convex positioning ring, the forwardly convex positioning ring is inserted and positioned in the inwards concave positioning groove, fastening screws respectively penetrate through inwards concave positioning hole grooves and are fixedly arranged in corresponding ring cloth positioning holes of the positioning convex column, and the encoder is sleeved on the mounting convex column and fixedly connected with the inwards concave fastening holes through the center positioning screws;
the fixed block is made of plastic.
2. The motor shaft encoder connection structure for reducing temperature rise of an encoder as set forth in claim 1, wherein: the fixing block is made of PEEK plastic.
3. A motor shaft encoder connection for reducing encoder temperature rise as defined in claim 2, wherein: the diameter of the cylinder platform is the same as that of the positioning convex column.
4. A motor shaft encoder connection for reducing encoder temperature rise as defined in claim 3, wherein: the front convex positioning ring is fixedly inserted and positioned in the concave positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320465135.XU CN220421605U (en) | 2023-03-13 | 2023-03-13 | Motor shaft encoder connecting structure capable of reducing encoder temperature rise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320465135.XU CN220421605U (en) | 2023-03-13 | 2023-03-13 | Motor shaft encoder connecting structure capable of reducing encoder temperature rise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220421605U true CN220421605U (en) | 2024-01-30 |
Family
ID=89655338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320465135.XU Active CN220421605U (en) | 2023-03-13 | 2023-03-13 | Motor shaft encoder connecting structure capable of reducing encoder temperature rise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220421605U (en) |
-
2023
- 2023-03-13 CN CN202320465135.XU patent/CN220421605U/en active Active
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