CN211470615U - Permanent magnet sucker type encoder feedback device - Google Patents
Permanent magnet sucker type encoder feedback device Download PDFInfo
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- CN211470615U CN211470615U CN201922169801.1U CN201922169801U CN211470615U CN 211470615 U CN211470615 U CN 211470615U CN 201922169801 U CN201922169801 U CN 201922169801U CN 211470615 U CN211470615 U CN 211470615U
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- sucking disc
- magnet sucking
- sucker
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Abstract
The utility model provides a permanent magnet sucking disc formula encoder feedback device, include the encoder of being connected with the controller electricity, install in drive mechanism axis of rotation end and with the coaxial first permanent magnet sucking disc of axis of rotation, by first permanent magnet sucking disc attraction and with the synchronous pivoted second permanent magnet sucking disc of first permanent magnet sucking disc, and be used for installing the bottom plate of second permanent magnet sucking disc, the bottom plate is close to first permanent magnet sucking disc setting, second permanent magnet sucking disc is rotatable to be set up on the lateral wall that deviates from first permanent magnet sucking disc of bottom plate, the axle center department of second permanent magnet sucking disc is equipped with a connection commentaries on classics piece, connection commentaries on classics piece and second permanent magnet sucking disc fixed connection, the one end of connection commentaries on classics piece is connected with the shaft drive of encoder, first permanent magnet sucking disc, second permanent magnet sucking disc, the coaxial core line of. The utility model discloses an use two permanent magnet sucking discs to install respectively at hoist mechanism initiative side and encoder device driven side, the appeal of magnet sucking disc can realize the contactless transmission.
Description
Technical Field
The utility model relates to an encoder feedback device especially relates to a permanent magnet sucking disc formula encoder feedback device.
Background
When an electromechanical hoisting mechanism in the current industrial application measures the hoisting height of a reel, the method adopted for measuring the transmission speed and the number of turns of the mechanism is as follows: the flexible connector is connected with the encoder shaft, the encoder shaft and the connector are fixed by using a thimble screw, and the encoder is driven to rotate along with the connector. The center of the rotating shaft and the center of the encoder shaft can be deviated in the installation, debugging or operation process, so that the axial stress is uneven, and the connector and the encoder are easy to damage.
Therefore, there is a need to design a new encoder feedback device to overcome the above problems.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a permanent magnet sucking disc formula encoder feedback device to make the erection joint of encoder more firm, dismantle more convenient, improve the fail safe nature of encoder work.
The utility model discloses a realize like this:
the utility model provides a permanent magnet sucking disc formula encoder feedback device, include the encoder of being connected with the controller electricity, install in drive mechanism axis of rotation end and with the coaxial first permanent magnet sucking disc of axis of rotation, by first permanent magnet sucking disc attraction and with the synchronous pivoted second permanent magnet sucking disc of first permanent magnet sucking disc, and be used for installing the bottom plate of second permanent magnet sucking disc, the bottom plate is close to first permanent magnet sucking disc setting, second permanent magnet sucking disc is rotatable to be set up on the lateral wall that deviates from first permanent magnet sucking disc of bottom plate, the axle center department of second permanent magnet sucking disc is equipped with a connection commentaries on classics piece, connection commentaries on classics piece and second permanent magnet sucking disc fixed connection, the one end of connection commentaries on classics piece is connected with the shaft drive of encoder, first permanent magnet sucking disc, second permanent magnet sucking disc, the coaxial core line of.
Preferably, the first permanent magnet sucker and the second permanent magnet sucker are disc-shaped magnetic block mounting discs, a plurality of magnetic blocks are arranged on the magnetic block mounting discs, each magnetic block is fixed through a magnetic slider, the magnetic blocks are uniformly distributed along the circumferential direction of the magnetic block mounting discs, the number of the magnetic blocks on the first permanent magnet sucker and the number of the magnetic blocks on the second permanent magnet sucker are equal, the magnetic blocks on the first permanent magnet sucker and the second permanent magnet sucker correspond to each other one by one, and the two corresponding magnetic blocks are coaxial.
Preferably, the encoder feedback device further comprises a coupler, one end of the coupling rotating block is connected with a shaft of the encoder through the coupler, and the coupler and the coupling rotating block are coaxial.
Preferably, a bearing for supporting the other end of the connecting rotating block is further arranged on the side wall of the bottom plate, which is far away from the first permanent magnet sucker, and the other end of the connecting rotating block extends into the bearing.
Preferably, the side wall of the bottom plate, which is far away from the first permanent magnet chuck, is further provided with a support, and the encoder is arranged on the support through a screw.
Preferably, the encoder feedback device further comprises an outer cover for protecting the second permanent magnet chuck and the encoder, and the second permanent magnet chuck and the encoder are both located in a space enclosed by the outer cover and the bottom plate.
Preferably, the outer cover is provided with a small hole for the encoder cable to extend out of the electric connection controller.
Preferably, a mounting base for supporting the base plate is provided below the base plate.
The utility model discloses following beneficial effect has:
1. the utility model discloses an at the terminal first magnetic path mounting disc of installation of axis of rotation, with the interior second magnetic path mounting disc of feedback device appeal of producing each other, between do not have direct contact nature and connect, the second magnetic path mounting disc of feedback device is followed the rotation of axis of rotation first magnetic path mounting disc under magnetic force's interact. Even if the center positions of the rotating shaft and the encoder shaft deviate to a certain extent when the two magnetic block mounting discs are installed or operated, hard destructive stress cannot occur, the shaft follow-up synchronization of the encoder can be ensured, and the working safety and reliability of the encoder are improved. The method has good practical value in the application field of measuring the rotating speed and the number of turns of the transmission mechanism with lower running speed.
2. The utility model discloses when dismantling and changing the encoder, need not to dismantle the installation base, only need open the back to the dustcoat. The thimble screw rod of the coupler is directly loosened, and then the fixing screw of the encoder is loosened, so that the encoder can be taken out. Otherwise, during installation, the encoder is directly inserted into the installation hole to screw the fixing screw, and then the coupler screw is screwed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a permanent magnet sucker type encoder feedback device provided in an embodiment of the present invention;
fig. 2 is a schematic view of a first magnetic block mounting plate provided in an embodiment of the present invention;
fig. 3 is a schematic view of a second magnetic block mounting plate provided in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention provides a permanent magnet sucker type encoder feedback device, which includes an encoder electrically connected to a controller, a first permanent magnet sucker disposed at the end of a rotating shaft 1 of a transmission mechanism and coaxial with the rotating shaft, a second permanent magnet sucker attracted by the first permanent magnet sucker and rotating synchronously with the first permanent magnet sucker, and a bottom plate 4 for installing a second permanent magnet chuck, the bottom plate 4 is arranged close to the first permanent magnet chuck, the second permanent magnet chuck is rotatably arranged on the side wall of the bottom plate 4 departing from the first permanent magnet chuck, a connecting rotating block 9 is arranged at the axis of the second permanent magnet chuck, the connecting rotating block 9 is fixedly connected with the second permanent magnet chuck, one end of the connecting rotating block 9 is in transmission connection with a shaft of the encoder 6, and the first permanent magnet chuck, the second permanent magnet chuck, the connecting rotating block 9 and the shaft of the encoder 6 are coaxial. The utility model provides an encoder feedback device installs respectively in hoist mechanism initiative side and encoder device driven side through using two permanent magnet sucking discs, keeps certain interval. The attraction of the magnet sucker is enough to overcome the rotating friction force of the encoder body, and non-contact transmission is realized.
In this embodiment, first permanent magnet sucking disc and second permanent magnet sucking disc are discoid magnetic block mounting disc, and first permanent magnet sucking disc is first magnetic block mounting disc 13 promptly, and second permanent magnet sucking disc is second magnetic block mounting disc 15, is equipped with a plurality of magnetic blocks 10 on the magnetic block mounting disc, each magnetic block 10 all is fixed through magnetic slider 11, each magnetic block 10 all along the circumference evenly distributed of magnetic block mounting disc, the magnetic block quantity on first permanent magnet sucking disc 13 and the second permanent magnet sucking disc 15 equals, and the magnetic block one-to-one between two liang on first permanent magnet sucking disc 13 and the second permanent magnet sucking disc 15 is coaxial between two corresponding magnetic blocks.
The utility model discloses an use two magnetic path mounting discs to install respectively in rotating shaft side and encoder feedback device side, keep certain interval. The attraction of the two magnetic block mounting discs is enough to overcome the rotating friction force of the encoder body, and non-contact transmission is realized. Even if the center positions of the rotating shaft and the encoder shaft deviate to a certain extent when the two magnetic block mounting discs are installed or operated, hard destructive stress cannot occur, the follow-up synchronization of the encoder is ensured, and the working safety and reliability of the encoder are improved. The method has good practical value in the application field of measuring the rotating speed and the number of turns of the transmission mechanism with lower running speed. When the rotating shaft 1 rotates around the axis 14, the shaft of the encoder 6 rotates along with the rotating shaft, in this embodiment, the encoder 6 measures the rotating speed or the number of turns of the rotating shaft 1 of the winding mechanism and converts the rotating speed or the number of turns into an electric signal, and the encoder 6 is electrically connected with a controller (such as a PLC) through an encoder cable 12.
The encoder feedback device further comprises a coupler 7, one end of the connecting rotating block 9 is connected with a shaft of the encoder 6 through the coupler 7, and the coupler 7 is coaxial with the connecting rotating block 9. The side wall of the bottom plate 4 departing from the first permanent magnet sucker is further provided with a bearing 8 for supporting the other end of the connecting rotating block 9, the other end of the connecting rotating block 9 extends into the bearing 8, and the bearing 8 is used for overcoming the supporting friction force between the connecting rotating block and the bottom plate.
Still be equipped with support 5 on the bottom plate 4 deviates from the lateral wall of first permanent magnet sucking disc, encoder 6 installs on support 5 through the screw. The encoder feedback device further comprises an outer cover 3 for protecting the second permanent magnet sucker 15 and the encoder 6, and the second permanent magnet sucker 15 and the encoder 6 are both located in a space enclosed by the outer cover 3 and the bottom plate 4.
The outer cover 3 is provided with a small hole for the encoder cable 12 to extend out of the electric connection controller. The mounting base 2 for supporting the bottom plate is arranged below the bottom plate 4.
The utility model discloses when dismantling and changing encoder 6, need not to dismantle installation base 2, only need open the back to dustcoat 3. The thimble screw of the coupler 7 is directly loosened, and then the fixing screw of the encoder 6 is loosened, so that the encoder 6 can be taken out. Otherwise, during installation, the encoder 6 is directly inserted into the installation hole to screw the fixing screw, and then the screw rod of the coupler 7 is screwed.
The utility model discloses a 1 end installation first magnetic path mounting disc 13 in axis of rotation, with the interior second magnetic path mounting disc 15 of feedback device produce appeal each other, between do not have direct contact nature to connect, second magnetic path mounting disc 15 in the feedback device follows the rotation of the epaxial first magnetic path mounting disc 13 of axis of rotation under magnetic force's interact. Even if the center positions of the rotating shaft and the encoder shaft deviate to a certain extent when the two magnetic block mounting discs are installed or operated, hard destructive stress cannot occur, the shaft follow-up synchronization of the encoder 6 can be ensured, and the safety and reliability of the operation of the encoder are improved. The method has good practical value in the application field of measuring the rotating speed and the number of turns of the transmission mechanism with lower running speed.
A first magnetic block mounting disc 13 is fixedly mounted at one end, close to an encoder 6, of a rotating shaft 1 of a winding mechanism, the first magnetic block mounting disc 13 is coaxial with the rotating shaft 1, the rotating shaft 1 is mainly the tail end of the rotating shaft of the rotating mechanism driven by a motor, the encoder 6 and a second magnetic block mounting disc 15 are positioned in a closed space enclosed by an outer cover 3 and a bottom plate 4, the second magnetic block mounting disc 15 is rotatably arranged on the bottom plate 4, a mounting base 2 for supporting the bottom plate 4 is arranged below the bottom plate 4, the outer cover 3 is used as a protective outer cover for protecting the encoder 6 and the second magnetic block mounting disc 15, a bracket 5 for mounting the encoder 6 is arranged on the bottom plate 4, the mounting base 2, the outer cover 3, the bottom plate 4 and the bracket 5 are all made of aluminum materials, the encoder 6 is an incremental encoder or a vector encoder in a circular shape with shafts, the, the magnetic block mounting disc is disc-shaped, a plurality of magnetic blocks 10 are arranged on the magnetic block mounting disc, the magnetic blocks 10 are used for generating magnetic force, each magnetic block 10 is uniformly distributed along the circumferential direction of the magnetic block mounting disc, a magnetic slider 11 used for fixing the magnetic blocks is arranged at each magnetic block 10, the number of the magnetic blocks on the first magnetic block mounting disc 13 and the second magnetic block mounting disc 15 is the same, every two corresponding magnetic blocks are coaxial, a connecting rotating block 9 is arranged at the axis of the second magnetic block mounting disc 15, the connecting rotating block 9 is fixed on the second magnetic block mounting disc 15, a bearing 8 used for supporting the connecting rotating block 9 is further arranged on the bottom plate 4, one end of the connecting rotating block 9 is connected with a shaft of the encoder 6 through a coupler 7, the encoder 6 is arranged on the support 5 through screws, the shaft of the encoder 6 is connected with an ejector pin screw rod of the coupler 7, the first magnetic block mounting disc 13 and the second magnetic block mounting, The shaft of the connecting rotating block 9, the shaft coupling 7 and the shaft of the encoder 6 are coaxial, the shaft coupling 7 is used for connecting the encoder 6 and the connecting rotating block 9, the bearing 8 is used for overcoming the supporting friction force between the connecting rotating block 9 and the bottom plate 4, the connecting rotating block 9 is used for connecting and installing the bearing 8, the second magnetic block mounting plate 15 and the shaft coupling 7, the bearing 8 and the connecting rotating block 9 are both made of stainless steel materials, and the outer cover 3 is provided with a small hole for the encoder cable 12 to extend out to be electrically connected with a controller (such as a PLC).
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a permanent magnet sucking disc formula encoder feedback device which characterized in that: the automatic control device comprises an encoder electrically connected with a controller, a first permanent magnet sucker arranged at the tail end of a rotating shaft of a transmission mechanism and coaxial with the rotating shaft, a second permanent magnet sucker attracted by the first permanent magnet sucker and rotating synchronously with the first permanent magnet sucker, and a base plate used for installing the second permanent magnet sucker, wherein the base plate is close to the first permanent magnet sucker, the second permanent magnet sucker is rotatably arranged on the side wall of the base plate deviating from the first permanent magnet sucker, a connecting rotating block is arranged at the shaft center of the second permanent magnet sucker and fixedly connected with the second permanent magnet sucker, one end of the connecting rotating block is connected with the shaft of the encoder, and the first permanent magnet sucker, the second permanent magnet sucker, the connecting rotating block and the shaft of the encoder are coaxial.
2. The permanent magnet suction cup encoder feedback device of claim 1, wherein: first permanent magnet sucking disc and second permanent magnet sucking disc are discoid magnetic path mounting disc, are equipped with a plurality of magnetic paths on the magnetic path mounting disc, each the magnetic path is all fixed through magnetic slider, each the magnetic path all along the circumference evenly distributed of magnetic path mounting disc, the magnetic path quantity on first permanent magnet sucking disc and the second permanent magnet sucking disc equals, the magnetic path one-to-one between two liang on first permanent magnet sucking disc and the second permanent magnet sucking disc, and is coaxial between two corresponding magnetic paths.
3. The permanent magnet suction cup encoder feedback device of claim 1, wherein: the encoder is characterized by further comprising a coupler, one end of the connecting rotating block is connected with a shaft of the encoder through the coupler, and the coupler and the connecting rotating block are coaxial.
4. The permanent magnet suction cup encoder feedback device of claim 1, wherein: the side wall of the bottom plate, which is far away from the first permanent magnet sucker, is also provided with a bearing for supporting the other end of the connecting rotating block, and the other end of the connecting rotating block extends into the bearing.
5. The permanent magnet suction cup encoder feedback device of claim 1, wherein: the side wall of the bottom plate, which deviates from the first permanent magnet sucker, is also provided with a support, and the encoder is arranged on the support through a screw.
6. The permanent magnet suction cup encoder feedback device of claim 1, wherein: the device also comprises an outer cover for protecting the second permanent magnet sucker and the encoder, wherein the second permanent magnet sucker and the encoder are both positioned in a space enclosed by the outer cover and the bottom plate.
7. The permanent magnet suction cup encoder feedback device of claim 6, wherein: the outer cover is provided with a small hole for the encoder cable to extend out of the electric connection controller.
8. The permanent magnet suction cup encoder feedback device of claim 1, wherein: the bottom plate is provided with a mounting base for supporting the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922169801.1U CN211470615U (en) | 2019-12-06 | 2019-12-06 | Permanent magnet sucker type encoder feedback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922169801.1U CN211470615U (en) | 2019-12-06 | 2019-12-06 | Permanent magnet sucker type encoder feedback device |
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| Publication Number | Publication Date |
|---|---|
| CN211470615U true CN211470615U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922169801.1U Active CN211470615U (en) | 2019-12-06 | 2019-12-06 | Permanent magnet sucker type encoder feedback device |
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| CN (1) | CN211470615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113824964A (en) * | 2021-10-28 | 2021-12-21 | 深圳市泰和联安防电子有限公司 | Decoder for video monitoring |
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2019
- 2019-12-06 CN CN201922169801.1U patent/CN211470615U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113824964A (en) * | 2021-10-28 | 2021-12-21 | 深圳市泰和联安防电子有限公司 | Decoder for video monitoring |
| CN113824964B (en) * | 2021-10-28 | 2023-01-10 | 深圳市泰和联安防电子有限公司 | Decoder for video monitoring |
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