An encoder for output accuracy detection device
By using photodetector and precision positioning structure in the frameless torque motor encoder, the problem of output accuracy reduction caused by incorrect encoder installation is solved, and the coaxial connection with high accuracy and stability is achieved, which improves the reliability of the system and compatibility.
Patent Information
- Application Number
- CN202411429312.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2044-10-14
AI Technical Summary
When existing frameless torque motor encoder is not installed correctly, it is easy to cause inaccurate readings, and long-term use will lead to a decrease in output accuracy.
An encoder for output accuracy detection devices is designed, using photodetectors, grating discs, mounting components, rotary positioning structures, ratchet structures and abutment structures to achieve precise coaxial connections and positioning to ensure encoding. Stable installation and high-precision detection of the device.
It improves the installation stability and detection accuracy of the encoder, reduces errors caused by eccentricity, enhances system compatibility and scalability, and ensures alignment accuracy and system stability.
Smart Images
Figure CN118960803B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of encoders, and in particular to an encoder for outputting an accuracy detection device. Background Art
[0002] An encoder is an electronic device that converts analog or digital signals into a specific format for transmission, storage or further processing. In different application scenarios, encoders have various functions and types. The following is a basic introduction to encoders:
[0003] Function:
[0004] 1. Signal conversion: The main function of the encoder is to convert physical signals (such as displacement, speed, angle, etc.) into electrical signals, or to convert one digital signal into another digital signal.
[0005] 2. Data encoding: Encode the input signal according to specific encoding rules so that it can be recognized and processed by the digital system.
[0006] 3. Information transmission: The encoder can convert the signal into a format suitable for long-distance transmission, such as transmission via cables, wireless networks, etc.
[0007] 4. Information storage: The encoder can convert the signal into a format suitable for storage. For example, digital signals can be stored in storage devices such as hard disks and memory.
[0008] type:
[0009] 1. Incremental encoder: Outputs a series of pulse signals to measure displacement or speed. Incremental encoders usually include a rotating disk and a photoelectric sensor. The scale on the rotating disk generates pulses according to the rotation angle.
[0010] 2. Absolute encoder: Outputs an absolute digital code corresponding to the position and maintains the position information even after the power is turned off. Absolute encoders are often used for precise position control.
[0011] 3. Contact encoder: Uses brush output to indicate the state of the code (1 or 0) by contacting the conductive or insulating area with the brush.
[0012] 4. Non-contact encoder: Use photoelectric sensors or other technologies to detect the scale on the rotating disk without physical contact, so it has a longer life and higher reliability.
[0013] Application scenarios:
[0014] 1. Industrial automation: In CNC machine tools, robots, automated production lines and other scenarios, encoders are used to measure and monitor parameters such as position and speed.
[0015] 2. Computer systems: In computer systems, encoders can be used in input devices such as mice and keyboards to convert physical actions into digital signals.
[0016] 3. Transportation: In vehicles such as cars and trains, encoders are used to measure wheel speed, vehicle position, etc.
[0017] 4. Medical equipment: In medical equipment, encoders are used to accurately control robotic arms, operating tables, etc.
[0018] In short, encoders play an important role in modern digital systems, providing digital input and output signals for various applications to ensure the accuracy and reliability of the system. With the continuous development of science and technology, the application areas of encoders are also expanding.
[0019] In the existing technology, an encoder is required to detect the output accuracy of a frameless torque motor. However, if the encoder is not installed correctly during use (for example, the shaft is not centered, the shaft is bent, or the mounting surface is uneven), inaccurate readings will result. Long-term use will lead to a decrease in output accuracy. Summary of the invention
[0020] In view of the deficiencies in the prior art, the purpose of the present invention is to provide an encoder for an output accuracy detection device, which can be conveniently coaxial with a frameless torque motor and can improve the stability of the encoder installation to solve the problem of decreased output accuracy of existing frameless torque motor encoders.
[0021] In order to achieve the above object, the present invention is implemented by the following technical solution: an encoder for an output accuracy detection device, comprising a photoelectric detector, a grating disk is provided on one side of the photoelectric detector, a mounting component is fixedly mounted on the surface of the photoelectric detector, and the mounting component is connected to an external device;
[0022] A rotation positioning structure is fixedly connected to one side of the grating disk, and the rotation positioning structure is coaxially connected to an external device;
[0023] A ratchet structure is provided inside the rotation positioning structure, and the surface of the ratchet structure cooperates with the inside of the rotation positioning structure;
[0024] One side of the ratchet structure is provided with an abutment structure for resetting the ratchet structure, and a side of the abutment structure close to the rotation positioning structure is fixedly connected to the rotation positioning structure.
[0025] Furthermore, the installation assembly includes a fixed frame, the inner wall of the fixed frame is fixedly connected to the surface of the photodetector, the four corners of the surface of the fixed frame are provided with hexagonal screw sleeves, both ends of the inside of the hexagonal screw sleeve are threadedly connected with screws, the side of the screw rod away from the hexagonal screw sleeve is movably connected with a connecting piece, a fixed shaft is provided inside the connecting piece, and the connecting piece and the fixed frame are movably connected through the fixed shaft.
[0026] Furthermore, the rotation positioning structure includes a first rotating circle, a second rotating circle is arranged on the rear side of the first rotating circle, sliding rods are arranged at the four corners inside the second rotating circle, a sliding block is fixedly connected to the front side of the sliding rod, the surface of the sliding block is movably connected to the interior of the first rotating circle, a positioning block is fixedly connected to the front side of the sliding block, the surface of the ratchet structure is fixedly connected to the inner circle of the second rotating circle, and the rear side of the first rotating circle is used in conjunction with the front side of the ratchet structure.
[0027] Furthermore, the ratchet structure includes a ratchet ring, the surface of the ratchet ring is fixedly connected to the inner ring of the second rotating circle, the four corners of the inner ring of the ratchet ring are provided with ratchets, the surface of the ratchet teeth cooperates with the inner ring of the ratchet ring, the internal movability of the ratchet teeth is connected to a first fixed column, the side of the first fixed column close to the first rotating circle is fixedly connected to the surface of the first rotating circle, and the surface of the abutting structure cooperates with the surface of the ratchet teeth.
[0028] Furthermore, the actuating structure includes a lower pressure ring, which is located inside the second rotating circle, and the four corners inside the lower pressure ring are provided with second fixing columns, and the second fixing columns are fixedly connected to the surface of the first rotating circle on the side close to the first rotating circle, and the four corners of the lower pressure ring close to the ratchet side are fixedly connected with actuating protrusions, and the surface of the actuating protrusions is used in conjunction with the surface of the ratchet.
[0029] Furthermore, a sliding groove for use with the sliding rod is provided inside the second rotating circle, and a sliding groove for use with the sliding block is provided inside the first rotating circle.
[0030] Furthermore, a first return spring is fixedly connected to one side of the ratchet, a fixed plate is fixedly connected to a side of the first return spring away from the ratchet, and a side of the fixed plate close to the first rotating circle is fixedly connected to the surface of the first rotating circle.
[0031] Furthermore, a limiting ring is sleeved on the surface of the first return spring, and a side of the limiting ring close to the fixing plate is fixedly connected to the surface of the fixing plate.
[0032] Furthermore, the four corners of the lower pressure ring close to the first rotating ring are fixedly connected with second return springs, and the side of the second return spring close to the first rotating ring is fixedly connected to the surface of the first rotating ring.
[0033] Furthermore, bolts are provided at the four corners of the grating disk surface, the threaded ends of the bolts penetrate the grating disk and extend to one side of the grating disk, the surface of the bolts is threadedly connected with studs, and the side of the studs close to the second rotating circle is fixedly connected to the surface of the second rotating circle.
[0034] Beneficial effects of the present invention:
[0035] 1. The present invention arranges a photoelectric detector, a grating disk, a mounting assembly, a rotation positioning structure, a ratchet structure and an abutting structure. The photoelectric detector can accurately detect optical parameters such as light intensity and light speed, thereby improving the accuracy and reliability of detection. The grating disk can accurately divide and guide light, and is used for accurate displacement and angle measurement. It is a commonly used component in precision machinery and optical instruments. A mounting assembly is fixedly installed on the surface, which is convenient for connection with external equipment, thereby improving the compatibility and expansibility of the system. It is coaxially connected to the external equipment, thereby ensuring the alignment accuracy of the system and reducing the error caused by eccentricity. The ratchet structure can provide precise positioning and locking, prevent movement at non-predetermined positions, and increase the stability and reliability of the system. The abutting structure is used for resetting the ratchet structure, and can facilitate the opening of the ratchet structure.
[0036] 2. The present invention can be fixed on the surface of the photoelectric detector through a fixing frame by setting an installation component. A connecting piece on one side is connected to the fixing frame through a fixed axis, and a connecting piece on the other side is connected to an external device. The hexagonal screw sleeve is rotated to screw the screw in or out of the hexagonal screw sleeve to adjust the position and achieve the purpose of stable fixation of the photoelectric detector.
[0037] 3. The present invention sets a rotation positioning structure. One hand holds the first rotating circle and the other hand rotates the second rotating circle. The second rotating circle pushes the internal sliding rod. The sliding rod drives the sliding block to move inside the first rotating circle. The sliding block drives the positioning block to move, so that multiple positioning blocks are inserted into the inner ring of the frameless torque motor. Since the four positioning blocks move synchronously, they can be automatically centered to achieve the purpose of coaxial connection.
[0038] 4. The present invention sets a ratchet structure, which can rotate through the second rotating circle. The second rotating circle drives the ratchet circle to rotate, and the ratchet circle pushes the ratchet teeth to make the ratchet teeth rotate around the first fixed column, so as to achieve the purpose of unidirectional rotation and movement of the second rotating circle and the first rotating circle, and avoid the situation of structure separation when the overall structure rotates.
[0039] 5. The present invention is provided with a resisting structure, which can press the lower pressure ring, and the lower pressure ring is limited by the second fixed column to move, and the lower pressure ring drives the resisting protrusion to move, and the resisting protrusion resists the ratchet teeth, so that the ratchet teeth are separated from the surface of the ratchet ring, thereby achieving the purpose of reverse rotation of the second rotating circle.
[0040] 6. The present invention can facilitate the movement of the sliding rod inside the second rotating circle and the movement of the sliding rod by the second rotating circle by setting the sliding groove and the sliding groove. The sliding groove can facilitate the sliding block to move up and down inside the first rotating circle. At the same time, the sliding groove can limit and guide the sliding block to increase the stability of the structural movement.
[0041] 7. The present invention can facilitate the resetting of the ratchet by providing the first resetting spring and the fixing plate, so that the ratchet is always in contact with the surface of the ratchet wheel ring, thereby increasing the stability of the unidirectional rotation.
[0042] 8. The present invention provides a limiting ring to limit the first return spring, thereby reducing the possibility of deformation of the first return spring due to stress.
[0043] 9. The present invention provides a second reset spring, which can rebound the lower pressure ring in multiple directions, making it easy to reset the lower pressure ring and to facilitate repeated operation of the structure.
[0044] 10. The present invention can conveniently fix and limit the grating disk by arranging bolts and studs, and at the same time form a certain gap between the grating disk and the second rotating circle, so as to facilitate the movement of the sliding rod. BRIEF DESCRIPTION OF THE DRAWINGS
[0045] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:
[0046] Figure 1 It is a structural schematic diagram of the present invention;
[0047] Figure 2 It is a schematic diagram of the three-dimensional structure of the first rotating circle and the second rotating circle;
[0048] Figure 3 It is a schematic diagram of the cooperation between the second rotating circle and the sliding rod;
[0049] Figure 4 It is an exploded schematic diagram of the rotation positioning structure;
[0050] Figure 5 It is a schematic diagram of the explosion of the ratchet structure;
[0051] Figure 6 It is a three-dimensional schematic diagram of bolts and studs;
[0052] Figure 7 It is a schematic diagram of the three-dimensional structure of the installation component;
[0053] Figure 8 for Figure 5 A partial enlarged view of point A in the middle.
[0054] In the figure: 1. photoelectric detector; 2. grating disk; 3. fixed frame; 4. hexagonal screw sleeve; 5. screw rod; 6. connecting piece; 7. fixed shaft; 8. first rotating circle; 9. second rotating circle; 10. sliding rod; 11. sliding block; 12. positioning block; 13. ratchet ring; 14. ratchet; 15. first fixed column; 16. pressing ring; 17. second fixed column; 18. moving protrusion; 19. slide groove; 20. slide groove; 21. first return spring; 22. fixed plate; 23. limit ring; 24. second return spring; 25. bolt; 26. stud. DETAILED DESCRIPTION
[0055] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.
[0056] Example 1 Please refer to Figure 1 , Figure 1 It is a structural schematic diagram of the present invention.
[0057] An encoder for an output accuracy detection device comprises a photodetector 1, a grating disk 2 is arranged on one side of the photodetector 1, a mounting component is fixedly mounted on the surface of the photodetector 1, and the mounting component is connected to an external device;
[0058] A rotation positioning structure is fixedly connected to one side of the grating disk 2, and the rotation positioning structure is coaxially connected to an external device;
[0059] A ratchet structure is provided inside the rotation positioning structure, and the surface of the ratchet structure cooperates with the inside of the rotation positioning structure;
[0060] One side of the ratchet structure is provided with an abutment structure for resetting the ratchet structure, and a side of the abutment structure close to the rotation positioning structure is fixedly connected to the rotation positioning structure.
[0061] See also Figures 2 to 8 As shown, Figure 2 It is a schematic diagram of the three-dimensional structure of the first rotating circle and the second rotating circle; Figure 3 It is a schematic diagram of the cooperation between the second rotating circle and the sliding rod; Figure 4 It is an exploded schematic diagram of the rotation positioning structure; Figure 5 It is a schematic diagram of the explosion of the ratchet structure; Figure 6 It is a three-dimensional schematic diagram of bolts and studs; Figure 7 It is a schematic diagram of the three-dimensional structure of the installation component; Figure 8 for Figure 5 A partial enlarged view of point A in the middle.
[0062] The mounting assembly includes a fixed frame 3, the inner wall of the fixed frame 3 is fixedly connected to the surface of the photodetector 1, the four corners of the surface of the fixed frame 3 are provided with hexagonal screw sleeves 4, both ends of the inside of the hexagonal screw sleeve 4 are threadedly connected with screw rods 5, the side of the screw rod 5 away from the hexagonal screw sleeve 4 is movably connected with a connecting piece 6, a fixed shaft 7 is provided inside the connecting piece 6, the connecting piece 6 is movably connected to the fixed frame 3 through the fixed shaft 7, and is fixed to the surface of the photodetector 1 through the fixed frame 3, one side of the connecting piece 6 is connected to the fixed frame 3 through the fixed shaft 7, and the other side of the connecting piece 6 is connected to the external device, the hexagonal screw sleeve 4 is rotated, and the screw rod 5 is screwed in or out of the hexagonal screw sleeve 4 to adjust the position, thereby achieving the purpose of stably fixing the photodetector 1.
[0063] The rotation positioning structure includes a first rotating circle 8, a second rotating circle 9 is arranged on the rear side of the first rotating circle 8, and sliding rods 10 are arranged at the four corners inside the second rotating circle 9. A sliding block 11 is fixedly connected to the front side of the sliding rod 10, and the surface of the sliding block 11 is movably connected to the inside of the first rotating circle 8. A positioning block 12 is fixedly connected to the front side of the sliding block 11. The surface of the ratchet structure is fixedly connected to the inner circle of the second rotating circle 9. The rear side of the first rotating circle 8 and the front side of the ratchet structure are used in conjunction with each other. By holding the first rotating circle 8 with one hand and rotating the second rotating circle 9 with the other hand, the second rotating circle 9 pushes against the internal sliding rod 10, and the sliding rod 10 drives the sliding block 11 to move inside the first rotating circle 8, and the sliding block 11 drives the positioning block 12 to move, so that multiple positioning blocks 12 are stuck in the inner circle of the frameless torque motor. Since the four positioning blocks 12 move synchronously, they can be automatically centered to achieve the purpose of coaxial connection.
[0064] The photodetector 1 can accurately detect optical parameters such as light intensity and light speed, thus improving the accuracy and reliability of detection. The grating disk 2 can accurately divide and guide light for accurate displacement and angle measurement. It is a commonly used component in precision machinery and optical instruments. A mounting assembly is fixedly mounted on the surface for easy connection with external devices, thus improving the compatibility and expansibility of the system. It is coaxially connected to external devices to ensure the alignment accuracy of the system and reduce errors caused by eccentricity.
[0065] Example 2 Please refer to Figure 1 , Figure 1 It is a structural schematic diagram of the present invention.
[0066] An encoder for an output accuracy detection device comprises a photodetector 1, a grating disk 2 is arranged on one side of the photodetector 1, a mounting component is fixedly mounted on the surface of the photodetector 1, and the mounting component is connected to an external device;
[0067] A rotation positioning structure is fixedly connected to one side of the grating disk 2, and the rotation positioning structure is coaxially connected to an external device;
[0068] A ratchet structure is provided inside the rotation positioning structure, and the surface of the ratchet structure cooperates with the inside of the rotation positioning structure;
[0069] One side of the ratchet structure is provided with an abutment structure for resetting the ratchet structure, and a side of the abutment structure close to the rotation positioning structure is fixedly connected to the rotation positioning structure.
[0070] See also Figures 2 to 8 As shown, Figure 2 It is a schematic diagram of the three-dimensional structure of the first rotating circle and the second rotating circle; Figure 3 It is a schematic diagram of the cooperation between the second rotating circle and the sliding rod; Figure 4 It is an exploded schematic diagram of the rotation positioning structure; Figure 5 It is a schematic diagram of the explosion of the ratchet structure; Figure 6 It is a three-dimensional schematic diagram of bolts and studs; Figure 7 It is a schematic diagram of the three-dimensional structure of the installation component; Figure 8 for Figure 5 A partial enlarged view of point A in the middle.
[0071] The mounting assembly includes a fixed frame 3, the inner wall of the fixed frame 3 is fixedly connected to the surface of the photodetector 1, the four corners of the surface of the fixed frame 3 are provided with hexagonal screw sleeves 4, both ends of the inside of the hexagonal screw sleeve 4 are threadedly connected with screw rods 5, the side of the screw rod 5 away from the hexagonal screw sleeve 4 is movably connected with a connecting piece 6, a fixed shaft 7 is provided inside the connecting piece 6, the connecting piece 6 is movably connected to the fixed frame 3 through the fixed shaft 7, and is fixed to the surface of the photodetector 1 through the fixed frame 3, one side of the connecting piece 6 is connected to the fixed frame 3 through the fixed shaft 7, and the other side of the connecting piece 6 is connected to the external device, the hexagonal screw sleeve 4 is rotated, and the screw rod 5 is screwed in or out of the hexagonal screw sleeve 4 to adjust the position, thereby achieving the purpose of stably fixing the photodetector 1.
[0072] The rotation positioning structure includes a first rotating circle 8, a second rotating circle 9 is arranged on the rear side of the first rotating circle 8, and sliding rods 10 are arranged at the four corners inside the second rotating circle 9. A sliding block 11 is fixedly connected to the front side of the sliding rod 10, and the surface of the sliding block 11 is movably connected to the inside of the first rotating circle 8. A positioning block 12 is fixedly connected to the front side of the sliding block 11. The surface of the ratchet structure is fixedly connected to the inner circle of the second rotating circle 9. The rear side of the first rotating circle 8 and the front side of the ratchet structure are used in conjunction with each other. By holding the first rotating circle 8 with one hand and rotating the second rotating circle 9 with the other hand, the second rotating circle 9 pushes against the internal sliding rod 10, and the sliding rod 10 drives the sliding block 11 to move inside the first rotating circle 8, and the sliding block 11 drives the positioning block 12 to move, so that multiple positioning blocks 12 are stuck in the inner circle of the frameless torque motor. Since the four positioning blocks 12 move synchronously, they can be automatically centered to achieve the purpose of coaxial connection.
[0073] The ratchet structure includes a ratchet ring 13, the surface of the ratchet ring 13 is fixedly connected to the inner ring of the second rotating circle 9, and ratchet teeth 14 are arranged at the four corners of the inner ring of the ratchet ring 13. The surface of the ratchet teeth 14 cooperates with the inner ring of the ratchet ring 13, and the ratchet teeth 14 are movably connected with a first fixed column 15 inside. The side of the first fixed column 15 close to the first rotating circle 8 is fixedly connected to the surface of the first rotating circle 8, and the surface of the abutting structure cooperates with the surface of the ratchet teeth 14. By rotating the second rotating circle 9, the second rotating circle 9 drives the ratchet ring 13 to rotate, and the ratchet ring 13 abuts the ratchet teeth 14, so that the ratchet teeth 14 rotate around the first fixed column 15, thereby achieving the purpose of unidirectional rotation and movement of the second rotating circle 9 and the first rotating circle 8, and avoiding the situation of structure detachment when the overall structure rotates.
[0074] The actuating structure includes a lower pressure ring 16, which is located inside the second rotating circle 9. Second fixed columns 17 are provided at the four corners inside the lower pressure ring 16. The second fixed columns 17 are fixedly connected to the surface of the first rotating circle 8 on the side close to the first rotating circle 8. Actuating protrusions 18 are fixedly connected to the four corners of the lower pressure ring 16 on the side close to the ratchet 14. The surface of the actuating protrusions 18 cooperates with the surface of the ratchet 14. By pressing the lower pressure ring 16, the lower pressure ring 16 is limited by the second fixed columns 17 and moves. The lower pressure ring 16 drives the actuating protrusions 18 to move. The actuating protrusions 18 actuate the ratchet 14, so that the ratchet 14 is separated from the surface of the ratchet ring 13, thereby achieving the purpose of reverse rotation of the second rotating circle 9.
[0075] A sliding groove 19 for use with the sliding rod 10 is provided inside the second rotating circle 9, and a sliding groove 20 for use with the sliding block 11 is provided inside the first rotating circle 8, so that the sliding rod 10 can move inside the second rotating circle 9 and the second rotating circle 9 can push the sliding rod 10 to move. The sliding groove 20 can facilitate the sliding block 11 to move up and down inside the first rotating circle 8. At the same time, the sliding groove 20 can limit and guide the sliding block 11 to increase the stability of the structural movement.
[0076] A first reset spring 21 is fixedly connected to one side of the ratchet 14, and a fixed plate 22 is fixedly connected to the side of the first reset spring 21 away from the ratchet 14. The side of the fixed plate 22 close to the first rotating circle 8 is fixedly connected to the surface of the first rotating circle 8, which facilitates the resetting of the ratchet 14 and ensures that the ratchet 14 is always in contact with the surface of the ratchet wheel ring 13, thereby increasing the stability of the unidirectional rotation.
[0077] A limiting ring 23 is sleeved on the surface of the first return spring 21 . The limiting ring 23 is fixedly connected to the surface of the fixing plate 22 on one side thereof, so as to limit the first return spring 21 and reduce the possibility of deformation of the first return spring 21 due to stress.
[0078] The four corners of the lower pressure ring 16 close to the first rotating circle 8 are fixedly connected with the second return spring 24. The second return spring 24 is fixedly connected to the surface of the first rotating circle 8 on the side close to the first rotating circle 8, and rebounds the lower pressure ring 16 in multiple directions to facilitate the resetting of the lower pressure ring 16 and the repeated operation of the structure.
[0079] Bolts 25 are provided at the four corners of the surface of the grating disk 2. The threaded end of the bolt 25 passes through the grating disk 2 and extends to one side of the grating disk 2. The surface of the bolt 25 is threadedly connected with a stud 26. The side of the stud 26 close to the second rotating circle 9 is fixedly connected to the surface of the second rotating circle 9, which is convenient for fixing and limiting the grating disk 2. At the same time, a certain gap can be formed between the grating disk 2 and the second rotating circle 9, which is convenient for the movement of the sliding rod 10.
[0080] Working principle: When the encoder needs to be fixed on the inner ring of the frameless torque motor, one hand holds the first rotating circle 8, and the other hand rotates the second rotating circle 9. The second rotating circle 9 pushes the internal sliding rod 10, and the sliding rod 10 drives the sliding block 11 to move inside the first rotating circle 8. The sliding block 11 drives the positioning block 12 to move, so that multiple positioning blocks 12 are inserted into the inner ring of the frameless torque motor. Since the four positioning blocks 12 move synchronously, they can be automatically centered to achieve the purpose of coaxial connection;
[0081] When the second rotating circle 9 rotates, the second rotating circle 9 drives the ratchet circle 13 to rotate, the ratchet circle 13 pushes against the ratchet teeth 14, the ratchet teeth 14 squeeze the first reset spring 21, so that the first reset spring 21 contracts, and the ratchet teeth 14 rotate around the first fixed column 15, so as to achieve the purpose of unidirectional rotation and movement of the second rotating circle 9 and the first rotating circle 8, and then fixed to the surface of the photoelectric detector 1 through the fixed frame 3, one side of the connecting piece 6 is connected to the fixed frame 3 through the fixed shaft 7, and the other side of the connecting piece 6 is connected to the external device, and the hexagonal screw sleeve 4 is rotated to screw the screw 5 into or out of the hexagonal screw sleeve 4 to adjust the position, so as to achieve the purpose of stable fixation of the photoelectric detector 1;
[0082] When the encoder needs to be disassembled, the lower pressing ring 16 is pressed, and the lower pressing ring 16 is limited by the second fixed column 17 to move, and the lower pressing ring 16 drives the moving protrusion 18 to move, and the moving protrusion 18 pushes the ratchet 14 to make the ratchet 14 disengage from the surface of the ratchet ring 13, so as to achieve the purpose of reverse rotation of the second rotating circle 9. When the lower pressing ring 16 moves, it squeezes the second reset spring 24. When the lower pressing ring 16 is not under force, the second reset spring 24 rebounds the lower pressing ring 16 to achieve the purpose of reset.
[0083] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.
[0084] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. An encoder for an output accuracy detection device, characterized in that: It comprises a photoelectric detector (1), a grating disk (2) is arranged on one side of the photoelectric detector (1), a mounting component is fixedly mounted on the surface of the photoelectric detector (1), and the mounting component is connected to an external device; A rotation positioning structure is fixedly connected to one side of the grating disk (2), and the rotation positioning structure is coaxially connected to an external device; A ratchet structure is provided inside the rotation positioning structure, and the surface of the ratchet structure cooperates with the inside of the rotation positioning structure; A stop structure for resetting the ratchet structure is provided on one side of the ratchet structure, and a side of the stop structure close to the rotation positioning structure is fixedly connected to the rotation positioning structure; The mounting assembly comprises a fixing frame (3), the inner wall of the fixing frame (3) being fixedly connected to the surface of the photoelectric detector (1), the four corners of the surface of the fixing frame (3) being provided with hexagonal screw sleeves (4), both ends of the inside of the hexagonal screw sleeve (4) being threadedly connected with screw rods (5), the side of the screw rod (5) away from the hexagonal screw sleeve (4) being movably connected with a connecting piece (6), the inside of the connecting piece (6) being provided with a fixed shaft (7), and the connecting piece (6) and the fixing frame (3) being movably connected via the fixed shaft (7); The rotation positioning structure comprises a first rotation circle (8), a second rotation circle (9) is arranged at the rear side of the first rotation circle (8), sliding rods (10) are arranged at four corners inside the second rotation circle (9), a sliding block (11) is fixedly connected to the front side of the sliding rod (10), the surface of the sliding block (11) is movably connected to the inside of the first rotation circle (8), the front side of the sliding block (11) is fixedly connected to a positioning block (12), the surface of the ratchet structure is fixedly connected to the inner circle of the second rotation circle (9), and the rear side of the first rotation circle (8) is used in conjunction with the front side of the ratchet structure; The ratchet structure comprises a ratchet ring (13), the surface of the ratchet ring (13) is fixedly connected to the inner ring of the second rotating ring (9), four corners of the inner ring of the ratchet ring (13) are provided with ratchet teeth (14), the surface of the ratchet teeth (14) cooperates with the inner ring of the ratchet ring (13), the inside of the ratchet teeth (14) is movably connected to a first fixing column (15), the side of the first fixing column (15) close to the first rotating ring (8) is fixedly connected to the surface of the first rotating ring (8), and the surface of the abutting structure cooperates with the surface of the ratchet teeth (14); The abutting structure comprises a lower pressure ring (16), the lower pressure ring (16) is located inside the second rotating ring (9), and second fixing columns (17) are arranged at four corners inside the lower pressure ring (16), and the second fixing columns (17) are fixedly connected to the surface of the first rotating ring (8) on one side close to the first rotating ring (8), and abutting protrusions (18) are fixedly connected to the four corners of the lower pressure ring (16) on the side close to the ratchet (14), and the surface of the abutting protrusions (18) cooperates with the surface of the ratchet (14).
2. The encoder for output accuracy detection device according to claim 1, characterized in that: A sliding groove (19) for use with the sliding rod (10) is provided inside the second rotating circle (9), and a sliding groove (20) for use with the sliding block (11) is provided inside the first rotating circle (8).
3. The encoder for output accuracy detection device according to claim 1, characterized in that: A first return spring (21) is fixedly connected to one side of the ratchet (14), a fixed plate (22) is fixedly connected to the side of the first return spring (21) away from the ratchet (14), and a side of the fixed plate (22) close to the first rotating circle (8) is fixedly connected to the surface of the first rotating circle (8).
4. The encoder for output accuracy detection device according to claim 3, characterized in that: A limiting ring (23) is sleeved on the surface of the first return spring (21), and a side of the limiting ring (23) close to the fixing plate (22) is fixedly connected to the surface of the fixing plate (22).
5. The encoder for output accuracy detection device according to claim 1, characterized in that: The four corners of the lower pressure ring (16) close to the first rotating ring (8) are fixedly connected to second return springs (24), and the side of the second return spring (24) close to the first rotating ring (8) is fixedly connected to the surface of the first rotating ring (8).
6. The encoder for output accuracy detection device according to claim 1, characterized in that: Bolts (25) are provided at four corners of the surface of the grating disk (2), the threaded ends of the bolts (25) penetrate the grating disk (2) and extend to one side of the grating disk (2), the surface of the bolts (25) is threadedly connected with studs (26), and the side of the studs (26) close to the second rotating circle (9) is fixedly connected to the surface of the second rotating circle (9).