CN219573120U

CN219573120U - Encoder position calibration mechanism

Info

Publication number: CN219573120U
Application number: CN202320441652.3U
Authority: CN
Inventors: 郑大宇; 吕游
Original assignee: Changchun Beixin Optoelectronic Self Control Instruments Co ltd
Current assignee: Changchun Beixin Optoelectronic Self Control Instruments Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-08-22
Anticipated expiration: 2033-03-09

Abstract

The utility model discloses an encoder position calibration mechanism, which comprises a workbench, wherein a rotary calibration device is arranged on the inner surface of the workbench, a mounting plate is fixedly connected to the upper surface of the workbench, a control rod is rotatably connected to the outer surface of the workbench, and a positioning device is arranged on the inner surface of the mounting plate.

Description

Encoder position calibration mechanism

Technical Field

The utility model relates to the technical field of encoders, in particular to an encoder position calibration mechanism.

Background

The encoder mainly refers to a device which is not convenient for people to receive signals and compile and convert the signals into signals which can be received by people, and meanwhile, as the demands of people for the encoder are gradually increased, the encoder is gradually evolved into various different types and can be adapted to various different devices.

In the prior art, it is often necessary to manually calibrate the mechanical position of the encoder after the calibration of the signal inside the encoder is completed, so that it can perform signal conversion on the connected device.

However, in the practical use process, since the encoder usually adopts manual calibration, the mechanical calibration precision is low, and the output shaft of the encoder is inconvenient to adjust a fine angle, and meanwhile, when the encoder is mechanically calibrated before use, the encoder is usually required to be fixed by using a related clamp, for example, in the existing device, the clamp block is driven by a screw to position the encoder, so that the positioning process is complicated, and the heights of the output shafts of different types of encoders are different, so that the encoder is inconvenient to position.

Disclosure of Invention

It is therefore a primary object of the present utility model to provide an encoder position calibration mechanism that solves the above mentioned problems of the prior art.

In order to achieve the above purpose, the encoder position calibration mechanism provided by the utility model comprises a workbench, wherein a rotary calibration device is arranged on the inner surface of the workbench, a mounting plate is fixedly connected to the upper surface of the workbench, a control rod is rotatably connected to the outer surface of the workbench, and a positioning device is arranged on the inner surface of the mounting plate;

the rotary calibration device comprises a supporting plate, a workbench is slidably connected to the outer arc surface of the supporting plate, a rotating rod is rotatably connected to the inner surface of the workbench, a fixing block is fixedly connected to the upper end of the rotating rod, a positioning roller is hinged to the inner surface of the fixing block, a spring is fixedly connected to the lower surface of the supporting plate, a telescopic rod is fixedly connected to the lower surface of the supporting plate, a transmission gear is fixedly connected to the lower end of the telescopic rod, a driving gear is meshed with the lower surface of the transmission gear, a control rod is fixedly connected to the outer surface of the driving gear, and the workbench is rotatably connected to the outer arc surface of the transmission gear.

Preferably, the upper end of the inner surface of the workbench is provided with an arc-shaped groove, the upper end of the inner surface of the workbench is provided with a rectangular chute, and the front surface of the workbench is provided with a through hole.

Preferably, the rotating rod is elastically connected with the workbench through a spiral spring, a rectangular through groove is formed in the inner surface of the fixed block, and the end part of the positioning roller is rotationally connected with a rotating wheel.

Preferably, the outer cambered surface of the fixed end of the telescopic rod is provided with a circular ring-shaped bulge, and the lower surface of the supporting plate is elastically connected with the telescopic rod through a spring.

Preferably, the driving gear and the transmission gear are bevel gears, the rotating rods are provided with two groups, and the two groups of rotating rods are symmetrically distributed by taking the central line of the supporting plate as a symmetrical axis.

Preferably, the positioning device comprises a positioning rod, a plurality of groups of rectangular sliding grooves penetrating through are formed in the outer surface of the positioning rod, arc-shaped through holes are formed in the end portions of the positioning rod, and clamping blocks are connected to the inner surface of the positioning rod in a sliding mode.

Preferably, the end part of the clamping block is fixedly connected with a linkage plate, the outer surface of the linkage plate is slidably connected with a positioning rod, two groups of linkage plates are arranged, and the two groups of linkage plates are symmetrically distributed by taking the central line of the positioning rod as a symmetrical axis.

Preferably, the two groups of linkage plates are elastically connected through springs, the inner surface of the positioning rod is slidably connected with a button, a circular truncated cone-shaped groove is formed in the inner surface of the button, and a rubber pad is fixedly connected to the end part of the positioning rod.

Compared with the prior art, the utility model has the following beneficial effects:

(1) When the encoder position calibration mechanism is used, the supporting plate moves downwards along with the gravity of the upper encoder and extrudes the lower rotating rod so as to rotate and drive the positioning roller to cling to the outer surface of the encoder main body, so that auxiliary positioning is formed on the encoder main body, and at the moment, the control rod can be rotated to enable the telescopic rod above and the whole supporting plate to rotate through transmission, so that the mechanical position of the output shaft of the encoder can be calibrated, and meanwhile, due to a certain transmission ratio between the driving gear and the transmission gear, the device can be convenient for people to calibrate the encoder more accurately.

(2) When the encoder position calibration mechanism is used, the encoder waiting for calibration needs to be placed on the upper surface of the supporting plate, the button needs to be pressed at the moment to enable the positioning rod to be in contact with and limited by the positioning rod, the positioning rod can be pushed according to the position of the output shaft of the encoder, the rubber pad can be enabled to be fully contacted with the output shaft of the encoder, the positioning rod is positioned, and after the positioning is completed, the button needs to be loosened, the positioning rod is enabled to be limited again, so that the device is kept to be stable to the output shaft of the encoder, and the whole operation process is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a rotation calibration device according to the present utility model;

FIG. 3 is a schematic view of a positioning device according to the present utility model.

In the figure: 1. a work table; 2. rotating the calibration device; 3. a positioning device; 4. a mounting plate; 5. a control lever; 201. a positioning roller; 202. a fixed block; 203. a support plate; 204. a rotating rod; 205. a telescopic rod; 206. a transmission gear; 207. a drive gear; 301. a button; 302. a clamping block; 303. a positioning rod; 304. a linkage plate; 305. and a rubber pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides an encoder position calibration mechanism, includes workstation 1, and the internal surface of workstation 1 is provided with rotatory calibrating device 2, and the upper surface of workstation 1 is fixed connection with mounting panel 4, and the rectangular groove that runs through is seted up to the internal surface of this mounting panel 4, and the rectangular inslot portion has seted up multiunit rectangle slotted hole, and the surface of workstation 1 is connected with control lever 5 rotation, and the internal surface of mounting panel 4 is provided with positioner 3;

the rotation calibration device 2 comprises a supporting plate 203, the outer arc surface of the supporting plate 203 is in sliding connection with a workbench 1, the inner surface of the workbench 1 is in rotary connection with a rotating rod 204, the upper end of the rotating rod 204 is fixedly connected with a fixed block 202, the inner surface of the fixed block 202 is hinged with a positioning roller 201, the lower surface of the supporting plate 203 is fixedly connected with a spring, the lower surface of the supporting plate 203 is fixedly connected with a telescopic rod 205, the movable end of the telescopic rod 205 can drive the fixed end to rotate when rotating, the lower end of the telescopic rod 205 is fixedly connected with a transmission gear 206, the lower surface of the transmission gear 206 is meshed with a driving gear 207, the transmission ratio between the driving gear 207 and the transmission gear 206 is 1:4, namely, the driving gear 207 rotates for four circles by one circle, the outer surface of the driving gear 207 is fixedly connected with a control rod 5, and the outer arc surface of the transmission gear 206 is in rotary connection with the workbench 1.

In the embodiment of the utility model, the upper end of the inner surface of the workbench 1 is provided with an arc-shaped groove which can accommodate the supporting plate 203 to slide in, the upper end of the inner surface of the workbench 1 is provided with a rectangular chute, the front surface of the workbench 1 is provided with a through hole, the rotating rod 204 is elastically connected with the workbench 1 through a spiral spring, therefore, after the encoder is taken out, the spiral spring drives the rotating rod 204 to reset, thereby preventing the rotating rod 204 from blocking the encoder from being taken out, the inner surface of the fixed block 202 is provided with a rectangular through groove, the end part of the positioning roller 201 is rotationally connected with a rotating wheel, the positioning roller 201 does not hinder the rotation of the encoder, and only the friction force between the positioning roller and the encoder is used for assisting in fixing the vertical position of the positioning roller, the outer cambered surface of the fixed end of the telescopic rod 205 is provided with a circular bulge, the lower surface of the supporting plate 203 is elastically connected with the telescopic rod 205 through a spring, the driving gear 207 and the transmission gear 206 are bevel gears, the two groups of rotating rods 204 are arranged, the two groups of rotating rods 204 are symmetrically distributed by taking the central line of the supporting plate 203 as a symmetrical axis, the positioning device 3 comprises a positioning rod 303, a plurality of groups of rectangular sliding grooves penetrating through are formed on the outer surface of the positioning rod 303, arc-shaped through holes are formed at the end part of the positioning rod 303, the inner surface of the positioning rod 303 is in sliding connection with a clamping block 302, the clamping block 302 can be embedded into a rectangular groove in the mounting plate 4, so that the positioning rod 303 is limited, the end part of the clamping block 302 is fixedly connected with a linkage plate 304, the outer surface of the linkage plate 304 is in sliding connection with the positioning rod 303, the two groups of linkage plates 304 are symmetrically distributed by taking the central line of the positioning rod 303 as a symmetrical axis, the two groups of linkage plates 304 are elastically connected through springs, the inner surface of the positioning rod 303 is in sliding connection with the button 301, the inner surface of the button 301 is provided with a truncated cone-shaped groove, so that the button can drive the linkage plates 304 on two sides to move oppositely when being pressed, and the end part of the positioning rod 303 is fixedly connected with the rubber pad 305.

During operation (or during use), the encoder waiting for calibration needs to be placed on the upper surface of the supporting plate 203, at this time, the button 301 needs to be pressed to enable the two groups of linkage plates 304 inside the positioning rod 303 to move towards each other, at this time, the linkage plates 304 drive the multiple groups of clamping blocks 302 on the outer surface to retract inside the positioning rod 303, at this time, the positioning rod 303 can be pushed according to the position of the output shaft of the encoder, the rubber pad 305 fully contacts the output shaft of the encoder, so that the encoder is positioned, after the positioning is completed, the button 301 needs to be released, at this time, the springs drive the linkage plates 304 on two sides to move backwards, so that the clamping blocks 302 on the outer surface of the linkage plates 304 are driven to be embedded into the grooves inside the mounting plate 4, positioning of the positioning rod 303 is completed, and the fixed stability of the encoder output shaft of the device is maintained.

Meanwhile, when the encoder is placed on the upper surface of the supporting plate 203, the supporting plate 203 moves downwards and extrudes the lower spring, meanwhile, in the process of moving the supporting plate 203, the rotating rods 204 at two sides are extruded to rotate, at the moment, the rotating rods 204 drive the upper fixing block 202 to gradually approach the encoder main body in the rotation process, the positioning roller 201 inside the fixing block 202 clings to the outer surface of the encoder main body, thereby forming auxiliary positioning for the encoder main body, at the moment, the control rod 5 can be rotated to start to adjust the mechanical position of the encoder main body, the control rod 5 drives the driving gear 207 at the end to rotate, and when the driving gear 207 rotates, the driving gear 206 at the upper end is driven to rotate, the driving gear 206 drives the telescopic rod 205 and the whole supporting plate 203 at the upper end to rotate, so that the mechanical position of the encoder output shaft can be calibrated, and meanwhile, as a certain transmission ratio exists between the driving gear 207 and the driving gear 206, the control rod 5 can only drive the upper supporting plate 203 to slightly rotate in the rotation process, so that the encoder can be calibrated more accurately.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Encoder position calibration mechanism, including workstation (1), its characterized in that: the automatic control device is characterized in that a rotary calibration device (2) is arranged on the inner surface of the workbench (1), a mounting plate (4) is fixedly connected to the upper surface of the workbench (1), a control rod (5) is rotatably connected to the outer surface of the workbench (1), and a positioning device (3) is arranged on the inner surface of the mounting plate (4);

the rotary calibration device (2) comprises a supporting plate (203), a workbench (1) is slidingly connected to an outer cambered surface of the supporting plate (203), a rotating rod (204) is rotationally connected to the inner surface of the workbench (1), a fixed block (202) is fixedly connected to the upper end of the rotating rod (204), a positioning roller (201) is hinged to the inner surface of the fixed block (202), a spring is fixedly connected to the lower surface of the supporting plate (203), a telescopic rod (205) is fixedly connected to the lower surface of the supporting plate (203), a transmission gear (206) is fixedly connected to the lower end of the telescopic rod (205), a driving gear (207) is meshed to the lower surface of the transmission gear (206), a control rod (5) is fixedly connected to the outer surface of the driving gear (207), and the workbench (1) is rotationally connected to the outer cambered surface of the transmission gear (206).

2. An encoder position calibration mechanism as defined in claim 1, wherein: the upper end of the inner surface of the workbench (1) is provided with an arc-shaped groove, the upper end of the inner surface of the workbench (1) is provided with a rectangular chute, and the front surface of the workbench (1) is provided with a through hole.

3. An encoder position calibration mechanism as defined in claim 1, wherein: the rotary rod (204) is elastically connected with the workbench (1) through a spiral spring, a rectangular through groove is formed in the inner surface of the fixed block (202), and the end part of the positioning roller (201) is rotatably connected with a rotating wheel.

4. An encoder position calibration mechanism as defined in claim 1, wherein: the outer cambered surface of the fixed end of the telescopic rod (205) is provided with a circular ring-shaped bulge, and the lower surface of the supporting plate (203) is elastically connected with the telescopic rod (205) through a spring.

5. An encoder position calibration mechanism as defined in claim 1, wherein: the driving gear (207) and the transmission gear (206) are bevel gears, two groups of rotating rods (204) are arranged, and the two groups of rotating rods (204) are symmetrically distributed by taking the central line of the supporting plate (203) as a symmetrical axis.

6. An encoder position calibration mechanism as defined in claim 1, wherein: the positioning device (3) comprises a positioning rod (303), a plurality of groups of rectangular sliding grooves penetrating through are formed in the outer surface of the positioning rod (303), arc-shaped through holes are formed in the end portions of the positioning rod (303), and clamping blocks (302) are connected to the inner surface of the positioning rod (303) in a sliding mode.

7. An encoder position calibration mechanism as defined in claim 6, wherein: the end part of the clamping block (302) is fixedly connected with a linkage plate (304), the outer surface of the linkage plate (304) is slidably connected with a positioning rod (303), the linkage plate (304) is provided with two groups, and the two groups of linkage plates (304) are symmetrically distributed by taking the central line of the positioning rod (303) as a symmetrical axis.

8. An encoder position calibration mechanism as defined in claim 7, wherein: the two groups of linkage plates (304) are elastically connected through springs, a button (301) is slidably connected to the inner surface of the positioning rod (303), a circular truncated cone-shaped groove is formed in the inner surface of the button (301), and a rubber pad (305) is fixedly connected to the end part of the positioning rod (303).