A test calibration turntable for an inductance encoder

Abstract

The utility model relates to the technical field of test correction rotating platform of inductance encoder, especially a kind of test correction rotating platform for inductance encoder, including control box, the upper end of control box is provided with bracket;The front end of the bracket is fixedly connected with vertical clamp;The lower end of the vertical clamp's lifting adjusting lever is provided with burner;The lower end of the burner is provided with test needle, in the utility model, the inductance encoder mainboard to be measured is fixed in fixture turntable by screw, rotates vertical clamp handle, drives burner and test needle to descend and contact test point, starts burning by control panel, after burning is completed, clamp resets, servo motor rotates fixture turntable by rotating shaft, completes encoder rotation test, deviation can be corrected on the spot, this procedure integrates one body to burn, correct, detect, need not multiple clamping, both shorten processing time, and avoid the precision decline problem caused by clamping.

Description

Technical Field

[0001] This utility model relates to the field of test and calibration turntable technology for inductive encoders, and in particular to a test and calibration turntable for inductive encoders. Background Technology

[0002] Inductive encoders, with their advantages of strong anti-interference ability, good stability, and high precision, are widely used in robotics, industrial automation, automotive manufacturing, aerospace and other fields. Their core function is to convert displacement into precise electrical signals, providing reliable position feedback for equipment. They are key components for the operation of high-precision equipment. As related industries continue to increase their requirements for equipment precision and stability, programming and testing have become the core links in the production of inductive encoders. Only by programming and writing calibration parameters and control programs into the encoder's storage unit can the accuracy of its output signal be ensured to meet the high-precision control requirements of practical applications. The technical level of this link directly affects the overall performance of the encoder and is also related to the operational reliability of downstream equipment.

[0003] Current mainstream inductive encoder programming stations have relatively limited functionality, only capable of firmware programming or parameter writing. After programming, inductive encoders must undergo parameter calibration to eliminate manufacturing deviations, and then a rotation test is conducted to verify the stability and accuracy of the signal output. This splits the production process into three independent steps: programming, calibration, and testing. This process requires encoders to be transferred in batches and clamped multiple times, which not only prolongs the overall processing cycle and reduces production efficiency, but more importantly, multiple clamping of fixtures introduces cumulative errors. As the number of clamping times increases, the encoder's testing accuracy gradually decreases, making it difficult to meet the stringent requirements for product consistency in mass production. Summary of the Invention

[0004] To overcome the problem that existing inductive encoder programming stations can only perform programming, while inductive encoders require calibration and rotation testing after programming, the programming, calibration and testing of inductive encoders need to be completed in three batches, resulting in long processing time and decreased testing accuracy as the number of fixture clamping increases.

[0005] The technical solution of this utility model is as follows: a test and calibration turntable for inductive encoders, comprising a control box, a bracket at the upper end of the control box; a vertical clamp fixedly connected to the front end of the bracket; a programmer at the lower end of the lifting adjustment rod of the vertical clamp; a test probe at the lower end of the programmer; an acrylic substrate below the test probe; a fixture groove inside the acrylic substrate; a fixture turntable inside the fixture groove; a rotating shaft inside the central hole of the fixture turntable, and the rotating shaft is connected to the central hole of the fixture turntable by a key; a stator support plate at the lower end of the acrylic substrate; a fixture base below the stator support plate; a servo motor between the stator support plate and the fixture base; a signal processing module inside the fixture turntable; rotation detection modules on both sides of the signal processing module; and an inductive encoder pin contact pin fixedly mounted on the upper surface of the fixture turntable.

[0006] Preferably, the output end of the servo motor is connected to the rotating shaft; the output end of the servo motor, the rotating shaft, and the rotation axis of the jig turntable are all on the same vertical axis; the handle of the vertical clamp rotates up and down to drive the lifting adjustment rod to perform lifting and lowering movements.

[0007] Preferably, the fixture slot is integrally formed with the acrylic substrate; the fixture turntable is connected to the main board of the inductor encoder under test by screws.

[0008] Preferably, the fixture base and the stator support plate are fixedly connected by connecting rods; the four corners of the fixture base are connected to the control box by bolts; the four corners of the acrylic substrate are connected to the stator support plate by positioning pins; and the four corners of the servo motor housing are connected to the fixture base by bolts.

[0009] Preferably, the front face of the control box is provided with a control panel, which is connected to the programmer and the servo motor. The test probe is electrically connected to the detection port of the programmer to form a programming circuit. The inductive encoder pin contact pin is inserted into the detection point on the lower end face of the inductive encoder motherboard to form a detection circuit. The rotation detection module converts the signal detected by the inductive encoder pin contact pin into a digital signal and transmits it to the signal processing module for data detection and processing. The signal processing module transmits the detection data to the control panel through the Bluetooth wireless communication module to display the detection results. The control panel displays the rotation test data results through a fault light.

[0010] Preferably, the housing of the burner is fixedly connected to the lifting adjustment rod of the vertical clamp.

[0011] Preferably, the bracket and the control box are integrally formed; a voltmeter is provided on one side of the acrylic substrate, and the voltmeter is connected to the voltage detection port of the programmer for information transmission.

[0012] The beneficial effects of this utility model are: 1. By integrating programming, calibration, and testing into the same device, the inductive encoder motherboard is mounted on the fixture turntable. The programmer performs programming through the test probe, and the servo motor drives the fixture turntable to rotate to complete calibration and testing. This avoids multiple fixture clamping, shortens processing time, and improves testing accuracy. 2. Through the coaxial arrangement of the servo motor, rotating shaft, and fixture turntable, as well as the linkage connection between the fixture base and the stator support plate, and the positioning pin connection between the acrylic base plate and the stator support plate, the stability of the equipment operation and the testing accuracy are ensured. 3. Through the automated electrical control of the control panel and the real-time voltage monitoring of the voltmeter, convenient automatic control of the equipment and real-time monitoring of its working status are realized, improving the ease of operation and the safety of equipment operation. 4. The contact pins of the inductive encoder are inserted into the detection points on the lower end face of the inductive encoder main board to form a stable detection circuit. The rotation detection module converts the detection signal into a digital signal to improve data accuracy. After being processed by the signal processing module, it is transmitted efficiently through the Bluetooth wireless communication module. The control panel displays the detection results intuitively, and the fault light clearly reflects the rotation test data. Overall, it has the advantages of accurate detection, convenient transmission, and intuitive operation, which greatly improves the efficiency of real-time data monitoring in the rotation state of the inductive encoder. Attached Figure Description

[0013] Figure 1 The diagram shown is a three-dimensional structural schematic of the present invention. Figure 2 The diagram shown is a side view of the overall three-dimensional structure of this utility model; Figure 3 The diagram shown is a three-dimensional structural diagram of the acrylic substrate, jig turntable, stator support plate, jig base, servo motor, and rotating shaft combination of this utility model. Figure 4 The diagram shown is a three-dimensional structural schematic diagram of the jig turntable of this utility model, viewed from below.

[0014] In the attached diagram, the following are the reference numerals: 101, control box; 102, bracket; 103, vertical clamp; 104, control panel; 105, voltmeter; 201, programmer; 202, test probe; 301, acrylic substrate; 302, fixture slot; 303, fixture turntable; 304, stator support plate; 305, fixture base; 306, servo motor; 307, rotating shaft; 308, signal processing module; 309, rotation detection module; 310, inductive encoder pin contact pin. Detailed Implementation

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] refer to Figure 1 The structure shown is a test calibration turntable for an inductive encoder, including a control box 101. A bracket 102 is mounted on the upper end of the control box 101. A vertical clamp 103 is fixedly connected to the front end of the bracket 102. A programmer 201 is mounted on the lower end of the lifting adjustment rod of the vertical clamp 103. A test probe 202 is mounted on the lower end of the programmer 201. An acrylic substrate 301 is mounted below the test probe 202. A fixture groove 302 is provided inside the acrylic substrate 301. A fixture turntable 303 is provided inside the fixture groove 302. The fixture turntable 303 has a central hole. A rotating shaft 307 is provided inside the hole, and the rotating shaft 307 is connected to the central hole of the jig turntable 303 by a key; a stator support plate 304 is provided at the lower end of the acrylic substrate 301; a jig base 305 is provided below the stator support plate 304; a servo motor 306 is provided between the stator support plate 304 and the jig base 305; a signal processing module 308 is provided inside the jig turntable 303; rotation detection modules 309 are provided on both sides of the signal processing module 308; an inductive encoder pin contact pin 310 is fixedly provided on the upper surface of the jig turntable 303.

[0017] First, the mainboard of the inductive encoder under test is connected to the fixture turntable 303 with screws. Then, the handle of the vertical clamp 103 is rotated to lower the programmer 201 and the test probe 202, so that the test probe 202 contacts the test point of the inductive encoder. The programmer 201 is controlled by the control panel 104 to carry out the programming work. After programming is completed, the vertical clamp 103 is reset. Then, the servo motor 306 is controlled to run. The output end of the servo motor 306 drives the rotating shaft 307 to rotate. The rotating shaft 307 drives the fixture turntable 303 to rotate in the fixture slot 302 through a key connection, thereby realizing the rotation test of the inductive encoder. If the test result is deviated, the inductive encoder can be calibrated on the spot. In this way, the programming, calibration and testing steps are integrated into the same equipment, eliminating the need for multiple clamping of the fixture, which shortens the processing time and avoids the problem of decreased test accuracy caused by multiple clamping.

[0018] To address issues such as insufficient assembly stability of equipment components, lack of ease of control, and absence of operational status monitoring, reference was made to... Figures 2-4 The structure shown; Furthermore, the output end of the servo motor 306 is connected to the rotating shaft 307 for transmission; the output end of the servo motor 306, the rotating shaft 307, and the rotation axis of the fixture turntable 303 are all on the same vertical axis; the handle of the vertical clamp 103 rotates up and down to drive the lifting adjustment rod to perform lifting and lowering movements.

[0019] The coaxiality and stability of the jig turntable 303 are ensured by the transmission connection between the output end of the servo motor 306 and the rotating shaft 307, and the coaxial setting of the rotation axes of the three, thereby improving the accuracy of calibration and rotation testing. The handle drive method of the vertical clamp 103 makes the lifting operation of the programmer 201 and the test probe 202 convenient and efficient, and facilitates the quick contact and separation of the test probe 202 with the inductive encoder motherboard.

[0020] Furthermore, the fixture slot 302 is integrally formed with the acrylic substrate 301; the fixture turntable 303 is connected to the main board of the inductor encoder under test by screws.

[0021] The integral molding of the fixture slot 302 and the acrylic substrate 301 ensures the structural strength of the fixture slot 302 and the placement accuracy of the fixture turntable 303, providing a stable space for the rotation of the fixture turntable 303. The screw connection between the fixture turntable 303 and the main board of the inductive encoder under test ensures that the main board of the inductive encoder is firmly and reliably clamped, preventing loosening during rotation testing and ensuring the accuracy of the test.

[0022] Furthermore, the fixture base 305 and the stator support plate 304 are fixedly connected by connecting rods; the four corners of the fixture base 305 are connected to the control box 101 by bolts; the four corners of the acrylic substrate 301 are connected to the stator support plate 304 by positioning pins; and the four corners of the housing of the servo motor 306 are connected to the fixture base 305 by bolts.

[0023] The precise and stable assembly of the components is achieved through the connecting rods of the fixture base 305 and the stator support plate 304, the bolt connection between the fixture base 305 and the control box 101, the positioning pin connection between the acrylic substrate 301 and the stator support plate 304, and the bolt connection between the servo motor 306 and the fixture base 305. This ensures the high precision and stability of the entire turntable structure and provides reliable structural support for the burning, calibration and testing processes.

[0024] Furthermore, a control panel 104 is provided on the front face of the control box 101, and the control panel 104 is electrically connected to the programmer 201 and the servo motor 306; the test probe 202 is electrically connected to the detection port of the programmer 201 to form a programming circuit; the inductive encoder pin contact pin 310 is inserted into the detection point on the lower end face of the inductive encoder main board to form a detection circuit, and the rotation detection module 309 converts the signal detected by the inductive encoder pin contact pin 310 into a digital signal and transmits it to the signal processing module 308 for data detection and processing. The signal processing module 308 transmits the detection data to the control panel 104 through the Bluetooth wireless communication module to display the detection results. The control panel 104 displays the rotation test data results through a fault light.

[0025] The control panel 104, through its electrical connection with the programmer 201 and servo motor 306, enables automated control of the programming, calibration, and testing processes. This system is easy to operate and offers high control precision. The electrical connection between the test probe 202 and the programmer 201 ensures stable transmission of the programming signal, guaranteeing smooth programming operations. The inductive encoder pin contact pin 310 is inserted into the detection point on the lower end face of the inductive encoder motherboard to form a stable detection loop. The rotation detection module 309 converts the detection signal into a digital signal to improve data accuracy. After processing by the signal processing module 308, the signal is efficiently transmitted via the Bluetooth wireless communication module. The control panel 104 displays the detection results intuitively, and the fault indicator clearly reflects the rotation test data. Overall, the system combines the advantages of accurate detection, convenient transmission, and intuitive operation, greatly improving the efficiency of real-time data monitoring during the rotation of the inductive encoder.

[0026] Furthermore, the housing of the burner 201 is fixedly connected to the lifting adjustment rod of the vertical clamp 103.

[0027] The fixed connection between the programmer 201 and the lifting adjustment rod of the vertical clamp 103 ensures that the vertical clamp 103 can reliably drive the programmer 201 and the test probe 202 to move up and down, thus guaranteeing the stability and reliability of the contact between the test probe 202 and the inductive encoder motherboard.

[0028] Furthermore, the bracket 102 and the control box 101 are integrally formed; a voltmeter 105 is provided on one side of the acrylic substrate 301, and the voltmeter 105 is connected to the voltage detection port of the programmer 201 for information transmission.

[0029] The integrated design of bracket 102 and control box 101 enhances the structural strength of bracket 102, providing a stable installation foundation for vertical clamp 103 and burner 201; the electrical connection between voltmeter 105 and burner 201 enables real-time monitoring of the working voltage of burner 201, facilitating timely detection of voltage abnormalities and ensuring the safety and stability of the burning process.

[0030] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A test and calibration turntable for inductive encoders, characterized in that: The system includes a control box (101), with a bracket (102) at its upper end; a vertical clamp (103) is fixedly connected to the front end of the bracket (102); a programmer (201) is installed at the lower end of the lifting adjustment rod of the vertical clamp (103); a test probe (202) is installed at the lower end of the programmer (201); an acrylic substrate (301) is installed below the test probe (202); a fixture groove (302) is installed inside the acrylic substrate (301); a fixture turntable (303) is installed inside the fixture groove (302); and a rotating shaft is installed inside the central hole of the fixture turntable (303). 307), and the rotating shaft (307) is connected to the central hole of the jig turntable (303) by a key; a stator support plate (304) is provided at the lower end of the acrylic substrate (301); a jig base (305) is provided below the stator support plate (304); a servo motor (306) is provided between the stator support plate (304) and the jig base (305); a signal processing module (308) is provided inside the jig turntable (303); a rotation detection module (309) is provided on both sides of the signal processing module (308); an inductive encoder pin contact pin (310) is fixedly provided on the upper surface of the jig turntable (303).

2. The test and calibration turntable for an inductive encoder according to claim 1, characterized in that: The output end of the servo motor (306) is connected to the rotating shaft (307) for transmission; the output end of the servo motor (306), the rotating shaft (307), and the rotation axis of the jig turntable (303) are all on the same vertical axis; the handle of the vertical clamp (103) rotates up and down to drive the lifting adjustment rod to perform lifting and lowering movements.

3. The test and calibration turntable for an inductive encoder according to claim 1, characterized in that: The fixture slot (302) is integrally formed with the acrylic substrate (301); the fixture turntable (303) is connected to the main board of the inductor encoder under test by screws.

4. A test and calibration turntable for an inductive encoder according to claim 1, characterized in that: The fixture base (305) and the stator support plate (304) are fixedly connected by a connecting rod; the four corners of the fixture base (305) are connected to the control box (101) by bolts; the four corners of the acrylic substrate (301) are connected to the stator support plate (304) by positioning pins; and the four corners of the housing of the servo motor (306) are connected to the fixture base (305) by bolts.

5. A test and calibration turntable for an inductive encoder according to claim 1, characterized in that: The front end of the control box (101) is provided with a control panel (104), and the control panel (104) is electrically connected to the programmer (201) and the servo motor (306); the test probe (202) and the detection port of the programmer (201) are electrically connected to form a programming circuit; the inductive encoder pin contact pin (310) is inserted into the detection point on the lower end face of the inductive encoder motherboard and forms a detection circuit, and the rotating detection module (309) converts the signal detected by the inductive encoder pin contact pin (310) into a digital signal and transmits it to the signal processing module (308) for data detection and processing. The signal processing module (308) transmits the detection data to the control panel (104) through the Bluetooth wireless communication module to display the detection results. The control panel (104) displays the rotation test data results through the fault light.

6. A test and calibration turntable for an inductive encoder according to claim 1, characterized in that: The housing of the burner (201) is fixedly connected to the lifting adjustment rod of the vertical clamp (103).

7. A test and calibration turntable for an inductive encoder according to claim 1, characterized in that: The bracket (102) and the control box (101) are integrally formed; a voltmeter (105) is provided on one side of the acrylic substrate (301), and the voltmeter (105) is connected to the voltage detection port of the programmer (201) for information transmission.

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