CN216012274U - High-protection-level optical absolute encoder - Google Patents
High-protection-level optical absolute encoder Download PDFInfo
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- CN216012274U CN216012274U CN202122318130.8U CN202122318130U CN216012274U CN 216012274 U CN216012274 U CN 216012274U CN 202122318130 U CN202122318130 U CN 202122318130U CN 216012274 U CN216012274 U CN 216012274U
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Abstract
The utility model discloses a high protection level absolute formula encoder of optics, including encoder main part and shell, the encoder main part includes the main shaft, and bearing A, bearing B and stopping circle are passed in proper order to the one end of main shaft, have linked firmly the main part on bearing A and bearing B's the outer wall, and the main part passes through the screw thread and links to each other with the shell, and the one end of main part has linked firmly power supply circuit board and quiet grating retainer plate, and the power supply circuit board is last to have the through-hole, the other end of main shaft passes the through-hole with move the grating and link firmly, move the below of grating and be equipped with the light source, and the light source welding is on power supply circuit board, and quiet grating retainer plate links firmly quiet grating, and the processing circuit board passes quiet grating retainer plate through the bolt and links to each other with the main part, and the processing circuit board closes on one side welding of quiet grating has light receiving element, and the opposite side welding of processing circuit board has drive element and treater. The utility model discloses simple structure, it is with low costs, the debugging is simple and easily equipment to the protection level has been improved.
Description
Technical Field
The utility model belongs to the encoder field, concretely relates to absolute formula encoder of high protection level optics.
Background
The encoder is a device that converts angle or displacement information into an electrical signal for transmission and communication. The encoders are mainly classified into absolute encoders and incremental encoders. Absolute encoders do not need to count, and position data is unique relative to incremental encoders. The existing absolute encoder is mainly in transmission type, comprises a light source, a movable grating, a static grating, a light receiving element, a processing circuit and the like, but needs a plurality of groups of light sources and light receiving elements for realizing higher resolution ratio, has higher cost and is tedious to debug, and the shell of the encoder and the main body of the encoder are fixed by screws, so that the assembly is troublesome and the protection level is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, and provide a with low costs, the absolute formula encoder of high protection level optics of debugging simple and easily equipment.
In order to realize the above object, the utility model provides a high protection level optics absolute encoder, including encoder main part and shell, processing has the external screw thread in the encoder main part, processing has the internal thread on the shell, the encoder main part passes through the screw thread and links to each other with the shell.
The encoder main body comprises a main body, a main shaft, a bearing A, a bearing B, a stopping ring, a power circuit board, a static grating fixing ring, a static grating, a movable grating, a light source, a processing circuit board, a light receiving element, a driving element and a processor, wherein one end of the main shaft sequentially penetrates through the bearing A and the bearing B, the clearance between the bearing A and the bearing B is eliminated in an extruding way through the stopping ring which is connected onto the main shaft by threads, the main body is fixedly connected onto the outer walls of the bearing A and the bearing B, external threads are processed on the outer walls of the main body, the main body is connected with the shell by threads, one end of the main body is fixedly connected with the power circuit board and the static grating fixing ring, the power circuit board is provided with a through hole, the other end of the main shaft penetrates through the through hole to be fixedly connected with the movable grating, the light source is arranged below the movable grating, and the light source is welded on the power circuit board, the utility model discloses a grating processing device, including quiet grating retainer plate, main part, light receiving element, light source, light receiving element, light source, light.
The main shaft connected with one end of the retaining ring is further provided with a dustproof ring, and the dustproof ring is connected with the inner wall of the main body through threads.
The top of shell is equipped with the screw thread through-hole, the shell passes through the screw thread through-hole and links to each other with waterproof wire sleeve.
The utility model has the advantages and the beneficial effect
1. The utility model discloses a higher optical element of integrated level only needs a light source and light receiving element just can realize higher resolution, has reduced the cost of encoder, makes the encoder debugging simpler.
2. The utility model discloses a shell links to each other through the screw thread mode with the encoder main part, has overcome the encoder shell and has passed through the screw and link to each other with the encoder main part and lead to the trouble and the low problem of protection level of equipment, and easily equipment has improved production efficiency and protection level.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a cross-sectional view of the overall structure of the present invention.
The reference numerals, encoder main body 1, main body 2, housing 3, main shaft 4, bearing A5, bearing B6, retaining ring 7, dust ring 8, power circuit board 9, static grating fixing ring 10, static grating 11, dynamic grating 12, light source 13, processing circuit board 14, light receiving element 15, driving element 16, processor 17 and waterproof outlet sleeve 18.
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are illustrative only of some, but not all, embodiments of the present invention. All other embodiments obtained based on the present invention belong to the protection scope of the present invention without creative efforts for those skilled in the art.
As shown in fig. 1, a high protection level optical absolute encoder comprises an encoder main body 1 and a housing 3, wherein an external thread is processed on the encoder main body 1, an internal thread is processed on the housing 3, before the encoder main body 1 is in threaded connection with the housing 3, sealing glue needs to be applied to the threaded part for sealing and fixing, and then the housing 3 is screwed on the encoder main body 1, so that the assembly is facilitated, the production efficiency is improved, and the protection level of the encoder is also improved; the top of shell 3 is equipped with the screw thread through-hole, shell 3 links to each other with waterproof wire sleeve 18 through the screw thread through-hole, the cable of drive element 16 passes through waterproof wire sleeve 18 and wears out from shell 3, has improved the waterproof performance of encoder.
The encoder body 1 comprises a body 2, a main shaft 4, a bearing A5, a bearing B6, a retaining ring 7, a power circuit board 9, a static grating fixing ring 10, a static grating 11, a dynamic grating 12, a light source 13, a processing circuit board 14, a light receiving element 15, a driving element 16 and a processor 17, wherein one end of the main shaft 4 sequentially penetrates through the bearing A5 and the bearing B6, and a retaining ring 7 which is connected with the main shaft 4 through screw threads is matched with the other end of the main shaft 4, the problem of the inner wall clearance of the bearing A5 and the bearing B6 is eliminated in a squeezing mode, the bearing A5 and the bearing B6 are prevented from shaking, the outer side of one end of the main shaft 4 connected with the retaining ring 7 is also provided with a dustproof ring 8, the dustproof ring 8 is connected with the inner wall of the main body 2 through threads, so that the dustproof ring 8 is positioned between the main shaft 4 and the main body 2, dust can be effectively prevented from entering the bearing A and the bearing B, so that the service life of the bearing is prolonged; the outer wall of bearing A5 and bearing B6 has linked firmly main part 2 jointly, it has the external screw thread to process on the outer wall of main part 2, main part 2 pass through the screw thread with shell 3 links to each other, the one end of main part 2 has linked firmly power supply circuit board 9 and quiet grating retainer plate 10, the last through-hole that has of power supply circuit board 9, the other end of main shaft 4 passes the through-hole links firmly with dynamic grating 12, the below of dynamic grating 12 is equipped with light source 13, just light source 13 welding is in on the power supply circuit board 9, quiet grating retainer plate 10 internal fixation has quiet grating 11, just quiet grating 11 is located the top of dynamic grating 12, the one end that main part 2 was kept away from to quiet grating retainer plate 10 is equipped with treatment circuit board 14, treatment circuit board 14 passes through the bolt quiet grating retainer plate 10 with main part 2 links to each other, one side that treatment circuit board 14 closes on quiet grating 11 is welded with light-receiving element 15, the light receiving element 15 corresponds to the light source 13, the driving element 16 and the processor 17 are welded on the other side of the processing circuit board 14, the power circuit board 9 is connected with the processing circuit board 14 through a power line, and the light receiving element 15, the driving element 16 and the processor 17 are all connected with the processing circuit board 14 through conducting wires on the processing circuit board 14.
Working process
Firstly, a spindle 4 of an assembled absolute encoder is connected with a motor shaft of equipment needing to be detected, the spindle 4 is driven to rotate together when the motor shaft rotates, the movable grating 12 rotates together with the spindle 4, light emitted by the light source 13 penetrates through the movable grating 12 and the static grating 11 to irradiate the light receiving element 15, the light changes in shade along with the rotation of the movable grating 12, digital signals generated by the light receiving element 15 are analyzed by the processor 17 through wires on the processing circuit board 14 at the moment, data corresponding to the positions are formed, and the data are transmitted to an upper computer through cables by the driving element 16 through the wires on the processing circuit board 14.
Claims (3)
1. The high-protection-level optical absolute encoder is characterized by comprising an encoder main body (1) and a shell (3), wherein the encoder main body (1) comprises a main body (2), a main shaft (4), a bearing A (5), a bearing B (6), a retaining ring (7), a power supply circuit board (9), a static grating fixing ring (10), a static grating (11), a dynamic grating (12), a light source (13), a processing circuit board (14), a light receiving element (15), a driving element (16) and a processor (17), one end of the main shaft (4) sequentially penetrates through the bearing A (5) and the bearing B (6), a gap between the bearing A (5) and the bearing B (6) is eliminated in an extruding manner through the retaining ring (7) connected to the main shaft (4) in a threaded manner, the main body (2) is fixedly connected to the outer walls of the bearing A (5) and the bearing B (6) together, the outer wall of the main body (2) is processed with an external thread, the main body (2) is connected with the internal thread processed on the shell (3) through the external thread, one end of the main body (2) is fixedly connected with a power circuit board (9) and a static grating fixing ring (10), the power circuit board (9) is provided with a through hole, the other end of the main shaft (4) penetrates through the through hole to be fixedly connected with a dynamic grating (12), a light source (13) is arranged below the dynamic grating (12), the light source (13) is welded on the power circuit board (9), the static grating fixing ring (10) is internally fixedly connected with a static grating (11), the static grating (11) is positioned above the dynamic grating (12), one end of the static grating fixing ring (10), which is far away from the main body (2), is provided with a processing circuit board (14), the processing circuit board (14) penetrates through a bolt, the static grating fixing ring (10) is connected with the main body (2), and a light receiving element (15) is welded on one side of the processing circuit board (14) close to the static grating (11), the light receiving element (15) corresponds to the light source (13), and a driving element (16) and a processor (17) are welded on the other side of the processing circuit board (14).
2. The high-protection-level optical absolute encoder as claimed in claim 1, wherein a dust ring (8) is further disposed on the main shaft (4) connected with one end of the retaining ring (7), and the dust ring (8) is connected with the inner wall of the main body (2) through a thread.
3. A high protection class optical absolute encoder according to claim 1 or 2, characterized in that the top of the housing (3) is provided with a threaded through hole, and the housing (3) is connected with a waterproof outlet sleeve (18) through the threaded through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122318130.8U CN216012274U (en) | 2021-09-24 | 2021-09-24 | High-protection-level optical absolute encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122318130.8U CN216012274U (en) | 2021-09-24 | 2021-09-24 | High-protection-level optical absolute encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216012274U true CN216012274U (en) | 2022-03-11 |
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ID=80530576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122318130.8U Active CN216012274U (en) | 2021-09-24 | 2021-09-24 | High-protection-level optical absolute encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216012274U (en) |
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2021
- 2021-09-24 CN CN202122318130.8U patent/CN216012274U/en active Active
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