CN216483111U - Device for fixing code disc of electric spindle encoder - Google Patents
Device for fixing code disc of electric spindle encoder Download PDFInfo
- Publication number
- CN216483111U CN216483111U CN202220102680.8U CN202220102680U CN216483111U CN 216483111 U CN216483111 U CN 216483111U CN 202220102680 U CN202220102680 U CN 202220102680U CN 216483111 U CN216483111 U CN 216483111U
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- Prior art keywords
- main shaft
- disc
- coded disc
- screw hole
- countersunk head
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- Expired - Fee Related
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000009827 uniform distribution Methods 0.000 claims 1
- 239000003292 glue Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model provides a device for fixing a code disc of an electric main shaft encoder, which mainly comprises a step-shaped main shaft and a code disc matched with the step-shaped main shaft for use, wherein the code disc is sleeved on the big-end step surface of the main shaft; a locking groove is arranged on the large-end stepped surface, and an external thread structure is arranged on the vertical surface connected with the large-end stepped surface; the coded disc is provided with an internal thread structure matched with the vertical surface for use; the bottom surface of the coded disc is provided with a locking ring matched with the locking groove; a plurality of first screw holes are formed through the side wall of the main shaft; the second screw holes with the same number are formed in the side wall of the locking ring in a penetrating mode; the first screw hole and the second screw hole are connected with each other through a countersunk head bolt. The utility model has simple structure, the main shaft and the code wheel which are connected by the screw thread can keep better connection stability in a longer service time; in addition, the relative position of the main shaft and the coded disc is further fixed through the countersunk head bolt, and even if the threads between the main shaft and the coded disc are aged, the countersunk head bolt can also play a role in temporarily fixing the main shaft and the coded disc.
Description
Technical Field
The utility model relates to an encoder field especially relates to a device of fixed electric main shaft encoder code wheel.
Background
In the prior art, the main shaft and the coded disc are usually fixed by clearance fit and are bonded by glue, and in the connection mode, when the encoder operates for a period of time, the connection stability of the main shaft and the coded disc of the encoder is sharply reduced, so that the coded disc is inclined, signals sent to the encoder are unstable and have poor signal quality, the speed control and the accurate positioning of the main shaft are hindered, the control failure is easily caused under the condition that the main shaft rotates at a high speed, and the main shaft and the coded disc are separated seriously.
SUMMERY OF THE UTILITY MODEL
When using glue bonding encoder main shaft and code wheel, its connection stability is relatively poor, in order to solve above-mentioned technical problem, the utility model provides a device of fixed electricity main shaft encoder code wheel.
The utility model provides a technical scheme does:
the utility model provides a device for fixing a code disc of an electric spindle encoder, which comprises a step-shaped spindle and a code disc matched with the step-shaped spindle for use, wherein the code disc is sleeved on the big-end step surface of the spindle; the large-end stepped surface is provided with a locking groove, and an external thread structure is arranged on a vertical surface connected with the large-end stepped surface; the coded disc is provided with an internal thread structure matched with the vertical surface; the bottom surface of the coded disc is provided with a locking ring matched with the locking groove; a plurality of first screw holes are formed in the side wall penetrating through the main shaft; the second screw holes with the same number penetrate through the side wall of the locking ring; the first screw hole and the second screw hole are connected with each other through a countersunk head bolt.
Preferably, the locking ring is disposed in the locking groove in an interference connection manner.
Preferably, the countersunk head bolt is composed of a nut and a screw; the side wall of the main shaft is provided with a mounting groove for placing the screw cap.
Preferably, the first screw hole and the second screw hole are all provided with three and are all uniformly distributed around the axis of the main shaft.
The utility model has the advantages that:
the device for fixing the code disc of the electric spindle encoder provided by the utility model has simple structure and lower manufacturing cost; compared with glue connection, the aging period of the threaded connection is longer, so that the main shaft and the coded disc can keep better connection stability in a longer service life, and the service life of the encoder is also obviously prolonged; in addition, the spindle and the locking ring directly connected with the code disc are connected through the countersunk head bolt, the relative position of the spindle and the code disc is further fixed, the spindle is prevented from rotating at a high speed in the operation process, the spindle and the code disc are enabled to generate radial offset, the countersunk head bolt is low in price and convenient to replace, and even if the threaded connection between the spindle and the code disc is aged, the countersunk head bolt can also play a role in temporarily fixing the spindle and the code disc.
Drawings
The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is an exploded view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientation or positional relationship is based on that shown in the drawings, merely for convenience in describing the invention and simplifying the description, and does not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
When glue is used for bonding the encoder main shaft and the code disc, the connection stability is poor, and in order to solve the technical problem, the embodiment of the utility model provides a device for fixing the code disc of the encoder of the electric main shaft, which comprises a step-shaped main shaft 1 and a code disc 2 matched with the step-shaped main shaft 1 for use, wherein the code disc 2 is sleeved on a large-end step surface 3 of the main shaft 1; a locking groove 4 is arranged on the large-end stepped surface 3, and an external thread structure is arranged on a vertical surface 5 connected with the large-end stepped surface 3; the coded disc 2 is provided with an internal thread structure matched with the vertical surface 5 for use; the bottom surface of the coded disc 2 is provided with a locking ring 6 matched with the locking groove 4; a plurality of first screw holes 7 are arranged through the side wall of the main shaft 1; the same number of second screw holes 8 are arranged through the side wall of the locking ring 6; the first screw hole 7 and the second screw hole 8 are connected to each other by a countersunk head bolt 9.
When the device for fixing the encoder code wheel 2 of the electric spindle 1 according to the embodiment is used, the code wheel 2 is screwed on the spindle 1 through the external thread structure of the spindle 1 and the internal thread structure of the code wheel 2, after the screwing is completed, the locking ring 6 is integrally clamped in the locking groove 4, the first screw hole 7 is communicated with the second screw hole 8, at the moment, the countersunk head bolt 9 is screwed in the first screw hole 7 and the second screw hole 8, and the relative position of the code wheel 2 and the spindle 1 is fixed; the utility model has simple structure, the threaded connection is longer than the glue connection, the aging period is longer, therefore, the main shaft 1 and the code disc 2 can keep better connection stability in longer service life, and the service life of the encoder is obviously prolonged; in addition, the spindle 1 and the locking ring 6 directly connected with the code disc 2 are connected through the countersunk head bolt 9, the relative position of the spindle 1 and the code disc 2 is further fixed, the spindle 1 is prevented from rotating at high speed in the operation process, the spindle 1 and the code disc 2 are enabled to deviate in the radial direction, the countersunk head bolt 9 is low in price and convenient to replace, and even if the threaded connection between the spindle 1 and the code disc 2 is aged, the countersunk head bolt 9 can also play a role in temporarily fixing the spindle 1 and the code disc 2.
In order to further improve the connection stability of the spindle 1 and the code wheel 2, in the present embodiment, it is preferable that the locking ring 6 is disposed in the locking groove 4 in an interference connection manner, so that the spindle 1 and the code wheel 2 can be easily detached to check and remove faults on the basis of ensuring more stable connection.
In this embodiment, the countersunk head bolt 9 is preferably composed of a nut 901 and a screw 902, and during the installation process, the countersunk head bolt 9 is integrally installed in the first screw hole 7 and the second screw hole 8 through the nut 901; in order to solve the problem that the nut 901 protrudes out of the outer wall of the spindle 1, the occupied space is not attractive, the side wall of the spindle 1 is provided with a mounting groove 10 for placing the nut 901, and after the countersunk head bolt 9 is screwed down, the nut 901 is wholly sunk in the mounting groove 10 and does not occupy the space outside the whole encoder.
In this embodiment, preferably, the first screw hole 7 and the second screw hole 8 are provided with three holes and uniformly distributed around the axis of the main shaft 1, the countersunk head bolts 9 penetrate through the first screw hole 7 and the second screw hole 8, the coded disc 2 and the main shaft 1 are tightly held from three directions, and the stability of the main shaft 1 and the coded disc 2 integrally held by the countersunk head bolts 9 can be ensured under the condition that the use amount of the countersunk head bolts 9 is reduced as much as possible.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.
Claims (4)
1. A device for fixing a coded disc of an electric spindle encoder is characterized by comprising a step-shaped spindle and a coded disc matched with the step-shaped spindle for use, wherein the coded disc is sleeved on a large-end step surface of the spindle; the large-end stepped surface is provided with a locking groove, and an external thread structure is arranged on a vertical surface connected with the large-end stepped surface;
the coded disc is provided with an internal thread structure matched with the vertical surface; the bottom surface of the coded disc is provided with a locking ring matched with the locking groove;
a plurality of first screw holes are formed in the side wall penetrating through the main shaft; the second screw holes with the same number penetrate through the side wall of the locking ring; the first screw hole and the second screw hole are connected with each other through a countersunk head bolt.
2. The apparatus for fixing code disc of electric spindle encoder according to claim 1, wherein: the locking ring is arranged in the locking groove in an interference connection mode.
3. The apparatus for fixing code disc of electric spindle encoder according to claim 1, wherein: the countersunk head bolt consists of a nut and a screw; the side wall of the main shaft is provided with a mounting groove for placing the screw cap.
4. The apparatus for fixing code disc of electric spindle encoder according to claim 1, wherein: the first screw hole and the second screw hole are all provided with three and all surround the axis uniform distribution of the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220102680.8U CN216483111U (en) | 2022-01-14 | 2022-01-14 | Device for fixing code disc of electric spindle encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220102680.8U CN216483111U (en) | 2022-01-14 | 2022-01-14 | Device for fixing code disc of electric spindle encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216483111U true CN216483111U (en) | 2022-05-10 |
Family
ID=81434483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220102680.8U Expired - Fee Related CN216483111U (en) | 2022-01-14 | 2022-01-14 | Device for fixing code disc of electric spindle encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216483111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024065782A1 (en) * | 2022-09-30 | 2024-04-04 | Siemens Aktiengesellschaft | Connection assembly for encoder and encoder |
-
2022
- 2022-01-14 CN CN202220102680.8U patent/CN216483111U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024065782A1 (en) * | 2022-09-30 | 2024-04-04 | Siemens Aktiengesellschaft | Connection assembly for encoder and encoder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |