A gear backlash calibration device for a rotating mechanism

Abstract

This application relates to the field of gear backlash calibration and compensation technology, and discloses a gear backlash calibration device for a rotating mechanism. The device includes a rotating table, a calibration component, and a processor. The rotating table includes a mounting frame, a rotating frame, and a rotary motor. The rotating frame is mounted on the mounting frame and rotatably engages with it. An opening is provided on the rotating frame, and a driven gear ring is located at the opening. The rotary motor is fixed at a predetermined position, and its shaft has a driving tooth that meshes with the driven gear ring. The calibration component detects whether the rotating frame has rotated to the predetermined position. The calibration component, processor, and rotary motor are connected by cables. This application improves the accuracy of the rotational position of the rotating mechanism.

Description

Technical Field

[0001] This application relates to the field of gear backlash calibration and compensation technology, and in particular to a gear backlash calibration device for a rotating mechanism. Background Technology

[0002] The main function of the conveyor rotary table is to rotate the rotating mechanism to a designated position to connect with the conveyor chain. After the goods are fed onto the rotary table via the conveyor chain, the rotary table rotates to another position to connect with another conveyor chain, thereby outputting the goods and realizing the reversible transport of the goods to the target location.

[0003] However, when the gear clearance of the rotary table is large, it can easily cause the rotary table to shift during the conveying process, making it impossible to ensure the docking accuracy between the rotary table and the conveyor chain. Over long-term operation, factors such as mechanical wear, uneven load, or external disturbances (such as vibration) can cause the rotation angle or position deviation to gradually accumulate. Since these deviations cannot be automatically corrected, they may eventually exceed the allowable tolerance range, thus affecting the accuracy of the rotary mechanism's rotation position. Utility Model Content

[0004] To improve the accuracy of the rotational position of a rotating mechanism, this application provides a gear backlash calibration device for a rotating mechanism.

[0005] The gear backlash calibration device for a rotating mechanism provided in this application adopts the following technical solution: A gear backlash calibration device for a rotating mechanism includes a rotary table, a calibration assembly, and a processor. The rotary table includes a mounting frame, a rotating frame, and a rotary motor, wherein: The rotating frame is mounted on the placement frame and rotates in conjunction with the placement frame. The rotating frame is provided with an opening, and a driven gear ring is provided at the opening; The rotary motor is fixedly installed at a predetermined position, and the rotating shaft of the rotary motor is provided with a driving tooth that meshes with the driven gear ring; The calibration component detects whether the rotating frame has rotated to a predetermined position. The calibration component, processor, and rotating motor are connected by cables.

[0006] Optionally, the calibration component includes a barcode detection unit and a barcode scanner, wherein: The detection barcode is located on the inner wall of the opening of the rotating frame, and multiple barcodes are arranged circumferentially along the axial direction of the opening. The barcode scanner is mounted at a predetermined position via a mounting base.

[0007] Optionally, the mounting base includes a first fixing member, a mounting rod, and a second fixing member, wherein: The barcode scanner is mounted on the mounting rod via the first fixing member; The mounting rod is installed in a predetermined position via the second fastener.

[0008] Optionally, the first fixing member includes a first fixing plate and a second fixing plate, wherein: The barcode scanner is mounted on the first fixed plate; The second fixing plate connects the first fixing plate and the mounting rod.

[0009] Optionally, the first fixing plate is L-shaped and has a plurality of first bolts, which penetrate the first fixing plate. The bottom of the barcode scanner is provided with a mounting hole that is threaded to the first bolt.

[0010] Optionally, the side wall of the mounting rod is provided with a T-shaped mounting groove along the vertical direction; A second bolt is slidably disposed in the mounting groove, the bolt head of the second bolt is placed inside the mounting groove, and a nut is threaded onto the second bolt; The second bolt passes through the second fixing plate, and the nut and the side of the second fixing plate away from the mounting rod abut against each other.

[0011] Optionally, the second fixing plate is provided with a waist groove, which is horizontally arranged in the length direction, and the second bolt passes through the waist groove.

[0012] Optionally, the second fastener includes a pair of third fastening plates; The third fixing plate is L-shaped, and a pair of the third fixing plates clamp the mounting rod.

[0013] In summary, this application includes at least one of the following beneficial technical effects: 1. By using barcode detection and barcode scanner in conjunction, the gear backlash error between the driving gear and the driven gear ring is detected and compensated in real time, ensuring that the rotating frame can be accurately aligned with the corresponding conveyor after each rotation, which significantly improves the accuracy of goods transportation; 2. The processor continuously controls the start and stop of the rotary motor based on real-time feedback from the calibration components, realizing closed-loop control, eliminating positioning deviations caused by gear backlash, reducing the need for manual intervention, and improving the automation level and operational reliability of the system; 3. The mounting base, through the cooperation of the first fixing component, the mounting rod, and the second fixing component, allows the barcode scanner to be adjusted in multiple dimensions in both vertical and horizontal directions. This ensures the alignment accuracy between the barcode scanner and the detected barcode, facilitates later maintenance and fine-tuning of the position, and enhances the versatility and ease of maintenance of the device. Attached Figure Description

[0014] Figure 1This is a schematic diagram of the overall structure of an embodiment of this application.

[0015] Figure 2 yes Figure 1 An enlarged schematic diagram of part A in the middle.

[0016] Figure 3 This is a schematic diagram illustrating the relative positions of the barcode scanner and the mounting base in an embodiment of this application.

[0017] Figure 4 This is a schematic diagram illustrating the structure of the first fastener in the embodiments of this application.

[0018] Figure 5 This is a schematic diagram illustrating the third fixing plate structure in an embodiment of this application.

[0019] Explanation of reference numerals in the attached figures: 1. Rotary table; 11. Placement rack; 12. Rotating rack; 121. Opening; 122. Driven gear ring; 13. Rotary motor; 131. Driving gear; 2. Calibration assembly; 21. Barcode detection; 22. Barcode scanner; 3. Mounting base; 31. First fixing member; 311. First fixing plate; 312. Second fixing plate; 313. First bolt; 314. Waist groove; 32. Mounting rod; 321. Mounting slot; 322. Second bolt; 323. Nut; 33. Second fixing member; 331. Third fixing plate. Detailed Implementation

[0020] The following is in conjunction with the appendix Figures 1-5 This application will be described in further detail.

[0021] This application discloses a gear backlash calibration device for a rotating mechanism.

[0022] A gear backlash calibration device for a rotating mechanism includes a rotary table 1, a calibration component 2, and a processor. During rotation, the calibration component 2 detects whether the rotary table 1 has reached a set position and transmits the detection data to the processor via a cable. The rotary table 1 and the processor are also connected by a cable. If the calibration component 2 does not detect that the rotary table 1 has reached the set position, the processor controls the rotary table 1 to continue rotating until the calibration component 2 detects that the rotary table 1 has reached the set position.

[0023] The rotary table 1 includes a placement frame 11, a rotating frame 12, and a rotary motor 13. The placement frame 11 is fixed in a predetermined position and placed between multiple conveyors, which are circumferentially distributed along the rotation axis of the rotary table 1. The rotating frame 12 is mounted on the placement frame 11 and is rotatably engaged with it. The rotating frame 12 has an opening 121, and a driven gear ring 122 is provided at the opening 121. The axis of the driven gear ring 122 coincides with the axis of the rotary table 1. The rotary motor 13 is fixed in a predetermined position, and its shaft has a driving gear 131 that meshes with the driven gear ring 122. The rotary motor 13 drives the driven gear ring 122 to rotate through the driving gear ring 131, thereby rotating the rotating frame 12 to align it with the different conveyors for accurate transport of goods.

[0024] The calibration component 2 detects whether the rotating frame 12 has rotated to a predetermined position. The calibration component 2, the processor, and the rotating motor 13 are connected by cables. The processor controls the start and stop of the rotating motor 13 based on the detection signal from the calibration component 2. The calibration component 2 includes a detection barcode 21 and a barcode scanner 22. The detection barcode 21 is fixedly installed on the inner wall of the opening 121 of the rotating frame 12. In this embodiment, the detection barcode 21 is adhered to the inner wall of the opening 121 of the rotating frame 12, and multiple barcodes are arranged circumferentially along the axial direction of the opening 121. The barcode scanner 22 is fixedly installed at a predetermined position via a mounting base 3.

[0025] The positions of two adjacent detection barcodes 21 are determined based on the angle between two adjacent conveyors. Taking two opposing conveyors as an example, the two conveyors are on the same straight line, and the detection barcodes 21 are also set opposite each other. When the rotating frame 12 rotates to align with one of the conveyors, the barcode scanner 22 will detect the detection barcode 21. When the rotating frame 12 rotates to align with the other conveyor, the barcode scanner 22 will detect the detection barcode 21. If the rotating frame 12 does not rotate to the designated position due to an error between the driving tooth 131 and the driven tooth ring 122, the rotating frame 12 will continue to rotate until the barcode scanner 22 detects the detection barcode 21, thereby compensating for the driving tooth 131 and the driven tooth ring 122.

[0026] The mounting base 3 includes a first fixing member 31, a mounting rod 32, and a second fixing member 33. The barcode scanner 22 is fixedly mounted on the mounting rod 32 via the first fixing member 31, and the mounting rod 32 is mounted in a predetermined position via the second fixing member 33. The first fixing member 31 includes a first fixing plate 311 and a second fixing plate 312, which are integrally formed. The barcode scanner 22 is fixedly mounted on the top of the first fixing plate 311, and the second fixing plate 312 is fixedly connected to the first fixing plate 311 and the mounting rod 32.

[0027] The first fixing plate 311 is L-shaped and has multiple first bolts 313 that pass through it. The barcode scanner 22 has mounting holes at its bottom that are threaded to the first bolts 313. When installing the barcode scanner 22, it is placed on the first fixing plate 311, and then the multiple first bolts 313 pass through it and are threaded to the mounting holes, so that the bolt heads of the first bolts 313 contact the bottom of the first fixing plate 311, thereby completing the installation of the barcode scanner 22 and the first fixing plate 311.

[0028] The mounting rod 32 is vertically arranged, and the side wall of the mounting rod 32 is provided with a T-shaped mounting groove 321 along the vertical direction. A second bolt 322 is slidably arranged in the mounting groove 321. The bolt head of the second bolt 322 is placed inside the mounting groove 321. A nut 323 is threaded onto the second bolt 322. The bolt head of the second bolt 322 is placed inside the T-shaped mounting groove 321, and the T-shaped mounting groove 321 guides and limits the second bolt 322.

[0029] The second bolt 322 passes through the second fixing plate 312, and the nut 323 abuts against the side of the second fixing plate 312 away from the mounting rod 32. This allows for easy adjustment of the vertical position of the second fixing plate 312, thereby adjusting the vertical position of the barcode scanner 22, while simultaneously lifting and connecting the second fixing plate 312 and the mounting rod 32.

[0030] The second fixing plate 312 has a groove 314, which is horizontally positioned along its length. A second bolt 322 passes through the groove 314 and slides in contact with it, thereby adjusting the horizontal position of the second fixing plate 312 and consequently the horizontal position of the barcode scanner 22. The second fixing member 33 includes a pair of third fixing plates 331, which are L-shaped and clamp the mounting rod 32. The third fixing plates 331 fix the mounting rod 32 in a predetermined position using multiple bolts.

[0031] The implementation principle of the gear backlash calibration device for a rotating mechanism according to an embodiment of this application is as follows: The rotating table 1 rotates continuously under the drive of the rotating motor 13 through the meshing of the active gear 131 and the driven gear ring 122. The barcode scanner 22 of the calibration component 2 scans multiple detection barcodes 21 fixed on the inner wall of the opening 121 of the rotating frame 12 in real time, and transmits the detected rotation position data to the processor through a cable. When the processor determines that the rotating frame 12 has not reached the set position aligned with the conveyor, the processor continues to control the rotating motor 13 to drive the rotating frame 12 to rotate until the barcode scanner 22 accurately reads the corresponding detection barcode 21 and confirms that the rotating frame 12 is completely aligned with the conveyor. Thus, the gear backlash error between the active gear 131 and the driven gear ring 122 is compensated and calibrated by the cooperation of the detection barcode 21 and the barcode scanner 22, so as to realize the accurate transportation of goods.

[0032] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A gear backlash calibration device for a rotating mechanism, characterized in that: The system includes a rotary table, calibration components, and a processor. The rotary table comprises a mounting frame, a rotating frame, and a rotary motor, wherein: The rotating frame is mounted on the placement frame and rotates in conjunction with the placement frame. The rotating frame is provided with an opening, and a driven gear ring is provided at the opening; The rotary motor is fixedly installed at a predetermined position, and the rotating shaft of the rotary motor is provided with a driving tooth that meshes with the driven gear ring; The calibration component detects whether the rotating frame has rotated to a predetermined position. The calibration component, processor, and rotating motor are connected by cables.

2. The gear backlash calibration device for a rotating mechanism according to claim 1, characterized in that: The calibration components include a barcode detector and a barcode scanner, wherein: The detection barcode is located on the inner wall of the opening of the rotating frame, and multiple barcodes are arranged circumferentially along the axial direction of the opening. The barcode scanner is mounted at a predetermined position via a mounting base.

3. The gear backlash calibration device for a rotating mechanism according to claim 2, characterized in that: The mounting base includes a first fixing member, a mounting rod, and a second fixing member, wherein: The barcode scanner is mounted on the mounting rod via the first fixing member; The mounting rod is installed in a predetermined position via the second fastener.

4. The gear backlash calibration device for a rotating mechanism according to claim 3, characterized in that: The first fixing member includes a first fixing plate and a second fixing plate, wherein: The barcode scanner is mounted on the first fixed plate; The second fixing plate connects the first fixing plate and the mounting rod.

5. A gear backlash calibration device for a rotating mechanism according to claim 4, characterized in that: The first fixing plate is L-shaped and has multiple first bolts that penetrate through the first fixing plate. The bottom of the barcode scanner is provided with a mounting hole that is threaded to the first bolt.

6. The gear backlash calibration device for a rotating mechanism according to claim 4, characterized in that: The side wall of the mounting rod is provided with a T-shaped mounting groove along the vertical direction; A second bolt is slidably disposed in the mounting groove, the bolt head of the second bolt is placed inside the mounting groove, and a nut is threaded onto the second bolt; The second bolt passes through the second fixing plate, and the nut and the side of the second fixing plate away from the mounting rod abut against each other.

7. A gear backlash calibration device for a rotating mechanism according to claim 6, characterized in that: The second fixing plate is provided with a waist groove, which is horizontally arranged in the length direction, and the second bolt passes through the waist groove.

8. A gear backlash calibration device for a rotating mechanism according to claim 3, characterized in that: The second fastener includes a pair of third fastening plates; The third fixing plate is L-shaped, and a pair of the third fixing plates clamp the mounting rod.

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