Automatic calibration test tool
Through the design including the automatic calibration testing of the holding mechanism and the fixed mechanism, the problem of being unable to clamp and lack of limits in the existing technologies cannot be clamped and lacking limit in the existing technology, and the stable clamping of the circuit board and the fixing four corners of the circuit board and the fixed fixation of the four corners are achieved. , Improving detection efficiency and accuracy.
Patent Information
- Application Number
- CN202420663394.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-04-02
AI Technical Summary
The existing automatic calibration test tooling cannot clamp and fix the circuit boards of different sizes, and there is no limit during calibration inspection, which may shake the circuit board or position offset, reducing the detection efficiency.
Design an automatic calibration test work of holding a clamping mechanism and a fixed agency. The holding mechanism uses the combination of rotating shafts, rotating arms, connecting arms and connecting boards to achieve clamping of different size circuit boards; fixed mechanisms to ensure the four corners of the circuit board through the combination of electric telescopic rods, push blocks and rotary blocks to ensure the four corners of the circuit board. fixed.
It effectively solves the problem of clamping the circuit board of different sizes, improves the practicality of the testing worker, and uses a limited fixed circuit board to avoid shaking and position offset, which improves the detection efficiency and accuracy.
Smart Images
Figure CN222420448U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circuit board calibration, in particular to an automatic calibration test fixture. Background Art
[0002] The automatic calibration test fixture is a tool used to measure and calibrate circuit board equipment. It can automatically perform a series of operations to ensure the accuracy and performance of the equipment. The main advantages of the automatic calibration test fixture are that it can improve test efficiency and accuracy, reduce human errors, and reduce test costs. In addition, it can also realize remote monitoring and fault diagnosis, and facilitate maintenance and management.
[0003] However, the following problems still exist in actual use:
[0004] (1) When the existing automatic calibration test fixture is in use, the device cannot clamp and fix circuit boards of different sizes, which results in certain limitations in the actual operation of the device, resulting in the problem of low practicality of the test fixture.
[0005] (2) When the existing automatic calibration test tool is in use, when the device calibrates and detects the circuit board placed inside it, the device does not limit it, which causes the circuit board to shake or shift in position, resulting in low detection efficiency of the detection tool.
[0006] For this purpose, the utility model introduces an automatic calibration test tool. Utility Model Content
[0007] In view of the deficiencies in the prior art, the utility model provides an automatically calibrated test fixture, which has the advantages of being able to clamp circuit boards of different sizes and fix the four corners of the circuit boards to prevent shaking during testing, thereby solving the problems raised in the background technology.
[0008] The utility model provides the following technical scheme: an automatic calibration test fixture, comprising: a device body and a moving block, the inner wall of the device body is fixedly installed with a carrier plate, the bottom of the carrier plate is provided with a clamping mechanism, the clamping mechanism comprises a rotating shaft, a rotating arm, a connecting arm and a connecting plate, one end of the rotating shaft is rotatably connected to the top of the carrier plate, the inner wall of the rotating arm is fixedly connected to the outer surface of the other end of the rotating shaft, one end of the connecting arm is rotatably connected to the top of one end of the rotating arm, and the top of the connecting plate is rotatably connected to the other end of the connecting arm.
[0009] Preferably, a fixing mechanism is provided on the top of the moving block, and the fixing mechanism includes an electric telescopic rod, a pushing block, a first connecting shaft and a rotating block, one end of the electric telescopic rod is fixedly installed on the side of the moving block, one end of the electric telescopic rod passes through the side of the moving block, the side of the pushing block is fixedly connected to one end of the electric telescopic rod, the bottom of the electric telescopic rod is fitted with the top of the moving block, both ends of the first connecting shaft are welded to the inner wall of the pushing block, and the inner wall of one end of the rotating block is fitted with the outer surface of the first connecting shaft.
[0010] Preferably, support blocks are fixedly installed on the tops of both ends of the connecting plate, the support blocks penetrate the carrier plate, and the outer surfaces of the support blocks are fitted with the inner walls of the carrier plate, the tops of the support blocks are fixedly connected with sliding plates, and the bottoms of the sliding plates are fitted with the tops of the carrier plate, and the tops of the sliding plates are slidably connected to the inner walls of the bottoms of the moving blocks.
[0011] Preferably, the inner wall of the other end of the rotating block is rotatably connected to a second connecting shaft, both ends of the second connecting shaft are rotatably connected to the inner wall of the moving block, an abutment block is fixedly installed on the side of the rotating block, and a non-slip rubber pad is provided at the bottom of the abutment block.
[0012] Preferably, a fixing frame is fixedly installed on the top of the device body, a rotating motor is fixedly installed on the side of the fixing frame, and the output shaft of the rotating motor passes through the side of the fixing frame, one end of the output shaft of the rotating motor is fixedly connected to a threaded rod, and one end of the threaded rod is rotatably connected to the side inside the fixing frame.
[0013] Preferably, an auxiliary rod is fixedly mounted on the inner wall of the fixing frame, a detection camera is slidably connected to the outer surface of the auxiliary rod, and the inner wall of the detection camera is threadedly connected to the outer surface of the threaded rod.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] 1. The automatic calibration test fixture is provided with a clamping mechanism. When in use, the rotating shaft and the rotating arm connected to the end of the rotating shaft are first driven to rotate by the action of an external power source, and then the connecting arm connected to the top of the two ends of the rotating arm is controlled to shrink toward the center of the carrier plate, and the shrinking movement of the connecting arm will drive the connecting plate connected to the end of the connecting arm to move toward the center of the carrier plate, so that the support block and the sliding plate connected to the top of the support block are moved to a suitable position, and then the circuit board to be calibrated and tested is placed on the top of the two sets of sliding plates, so as to complete the clamping of the circuit board, which effectively solves the problem that the device cannot clamp and fix circuit boards of different sizes during actual use, which leads to certain limitations of the device during actual operation, resulting in low practicality of the test fixture. The entire operation process can be controlled by controlling the two sets of sliding plates to move along the trajectory of the inner wall of the carrier plate, so as to clamp circuit boards of different sizes inside the fixture, thereby greatly improving the practicality of the automatic calibration and detection fixture.
[0016] 2. The automatic calibration test fixture is provided with a fixing mechanism. When in use, after the detection fixture completes clamping and fixing the circuit board, the moving blocks at the four corners of the loading plate are moved to the four corners of the circuit board, and then the pushing blocks connected to the end are pushed to move by the telescopic action of the electric telescopic rod, and during the movement of the pushing block, the top of the rotating block is pushed to rotate outward, so that the abutting block connected to the bottom end of the rotating block and the side thereof is rotated inward, and the bottom plate of the abutting block is abutted against the four corners of the circuit board to fix it in the fixture, which effectively solves the problem that in actual use, when the device performs calibration and detection on the circuit board placed inside it, the device does not limit it, which causes the circuit board to shake or shift in position, thereby causing the detection efficiency of the detection fixture to be low. During the entire operation, the four corners of the circuit board clamped by the detection fixture can be effectively fixed, thereby preventing the circuit board from shaking or shifting in position when being calibrated and detected by the fixture, thereby ensuring the detection efficiency and accuracy of the fixture. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model device;
[0018] Figure 2 For this utility model Figure 1 Schematic diagram of the structure viewed from above;
[0019] Figure 3 For this utility model Figure 1 Schematic diagram of some structures;
[0020] Figure 4 For this utility model Figure 3 Schematic diagram of the structure viewed from above;
[0021] Figure 5 For this utility model Figure 3 Enlarged structural diagram at A in the middle.
[0022] In the figure: 1. device body; 2. loading plate; 3. rotating shaft; 4. rotating arm; 5. connecting arm; 6. connecting plate; 7. supporting block; 8. sliding plate; 9. moving block; 10. electric telescopic rod; 11. pushing block; 12. first connecting shaft; 13. rotating block; 14. second connecting shaft; 15. abutment block; 16. anti-slip rubber pad; 17. fixing bracket; 18. rotating motor; 19. threaded rod; 20. auxiliary rod; 21. detection camera. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1 , 3 As shown in Figure 4, an automatic calibration test fixture includes: a device body 1 and a moving block 9, a carrier plate 2 is fixedly installed on the inner wall of the device body 1, a clamping mechanism is provided at the bottom of the carrier plate 2, the clamping mechanism includes a rotating shaft 3, a rotating arm 4, a connecting arm 5 and a connecting plate 6, one end of the rotating shaft 3 is rotatably connected to the top of the carrier plate 2, the inner wall of the rotating arm 4 is fixedly connected to the outer surface of the other end of the rotating shaft 3, one end of the connecting arm 5 is rotatably connected to the top of one end of the rotating arm 4, the top of the connecting plate 6 is rotatably connected to the other end of the connecting arm 5, and the connecting plate 6 is connected to the connecting arm 5. Support blocks 7 are fixedly installed on the top of both ends of the plate 6, the support blocks 7 penetrate the carrier plate 2, and the outer surface of the support blocks 7 fits with the inner wall of the carrier plate 2, the top of the support blocks 7 is fixedly connected with a sliding plate 8, and the bottom of the sliding plate 8 fits with the top of the carrier plate 2, and the top of the sliding plate 8 is slidably connected to the inner wall of the bottom of the moving block 9. During the operation of the clamping mechanism, the two groups of sliding plates 8 can be controlled to move along the trajectory of the inner wall of the carrier plate 2, thereby clamping circuit boards of different sizes inside the tooling, thereby greatly improving the practicability of the automatic calibration and detection tooling.
[0025] See also Figure 3 , 5As shown, a fixing mechanism is provided on the top of the moving block 9, and the fixing mechanism includes an electric telescopic rod 10, a pushing block 11, a first connecting shaft 12 and a rotating block 13. One end of the electric telescopic rod 10 is fixedly installed with the side of the moving block 9, one end of the electric telescopic rod 10 passes through the side of the moving block 9, the side of the pushing block 11 is fixedly connected with one end of the electric telescopic rod 10, the bottom of the electric telescopic rod 10 is fitted with the top of the moving block 9, both ends of the first connecting shaft 12 are welded to the inner wall of the pushing block 11, and the inner wall of one end of the rotating block 13 is welded to the inner wall of the first connecting shaft 12. The outer surface of a connecting shaft 12 is fitted, and the inner wall of the other end of the rotating block 13 is rotatably connected to a second connecting shaft 14. Both ends of the second connecting shaft 14 are rotatably connected to the inner wall of the moving block 9. An abutment block 15 is fixedly installed on the side of the rotating block 13, and a non-slip rubber pad 16 is provided at the bottom of the abutment block 15. During the operation of the fixing mechanism, the four corners of the circuit board clamped by the detection tooling can be effectively fixed, thereby preventing the circuit board from shaking or moving when being calibrated and detected by the tooling, thereby ensuring the detection efficiency and accuracy of the tooling.
[0026] Please refer to Figures 1 and 2, a fixing frame 17 is fixedly installed on the top of the device body 1, a rotating motor 18 is fixedly installed on the side of the fixing frame 17, and the output shaft of the rotating motor 18 passes through the side of the fixing frame 17, one end of the output shaft of the rotating motor 18 is fixedly connected to a threaded rod 19, one end of the threaded rod 19 is rotatably connected to the side inside the fixing frame 17, an auxiliary rod 20 is fixedly installed on the inner wall of the fixing frame 17, and a detection camera 21 is slidably connected to the outer surface of the auxiliary rod 20, and the inner wall of the detection camera 21 is threadedly connected to the outer surface of the threaded rod 19.
[0027] Working principle: when in use, first, the rotating shaft 3 and the rotating arm 4 connected to the end of the rotating shaft 3 are driven to rotate by the action of an external power source, and then the connecting arm 5 connected to the top of both ends of the rotating arm 4 is controlled to retract toward the center of the carrier plate 2, and the contraction movement of the connecting arm 5 will drive the connecting plate 6 connected to its end to move toward the center of the carrier plate 2, thereby moving the support block 7 and the sliding plate 8 connected to the top of the support block 7 to a suitable position, and then the circuit board to be calibrated and tested is placed on the top of the two sets of sliding plates 8, thereby completing the clamping of the circuit board.
[0028] At the same time, when the inspection tooling completes the clamping and fixing of the circuit board, the moving blocks 9 at the four corners of the carrier plate 2 are moved to the four corners of the circuit board, and then the pushing block 11 connected to the end is pushed to move through the telescopic action of the electric telescopic rod 10, and during the movement of the pushing block 11, the top of the rotating block 13 is pushed to rotate outward, so that the bottom end of the rotating block 13 and the abutment block 15 connected to its side are rotated inward, and the bottom plate of the abutment block 15 is abutted against the four corners of the circuit board to fix it in the tooling.
[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An automatic calibration test fixture, characterized in that: include: The device comprises a main body (1) and a moving block (9), wherein a loading plate (2) is fixedly mounted on the inner wall of the main body (1), a clamping mechanism is arranged at the bottom of the loading plate (2), and the clamping mechanism comprises a rotating shaft (3), a rotating arm (4), a connecting arm (5) and a connecting plate (6), wherein one end of the rotating shaft (3) is rotatably connected to the top of the loading plate (2), the inner wall of the rotating arm (4) is fixedly connected to the outer surface of the other end of the rotating shaft (3), one end of the connecting arm (5) is rotatably connected to the top of one end of the rotating arm (4), and the top of the connecting plate (6) is rotatably connected to the other end of the connecting arm (5).
2. The automatic calibration test fixture according to claim 1, characterized in that: A fixing mechanism is arranged on the top of the moving block (9), and the fixing mechanism comprises an electric telescopic rod (10), a pushing block (11), a first connecting shaft (12) and a rotating block (13); one end of the electric telescopic rod (10) is fixedly mounted on the side of the moving block (9); one end of the electric telescopic rod (10) passes through the side of the moving block (9); the side of the pushing block (11) is fixedly connected to one end of the electric telescopic rod (10); the bottom of the electric telescopic rod (10) is in contact with the top of the moving block (9); both ends of the first connecting shaft (12) are welded to the inner wall of the pushing block (11); and the inner wall of one end of the rotating block (13) is in contact with the outer surface of the first connecting shaft (12).
3. The automatic calibration test fixture according to claim 1, characterized in that: Support blocks (7) are fixedly mounted on the tops of both ends of the connecting plate (6); the support blocks (7) penetrate the loading plate (2), and the outer surface of the support blocks (7) is in contact with the inner wall of the loading plate (2); the top of the support blocks (7) is fixedly connected to a sliding plate (8), and the bottom of the sliding plate (8) is in contact with the top of the loading plate (2); the top of the sliding plate (8) is slidably connected to the inner wall of the bottom of the moving block (9).
4. The automatic calibration test fixture according to claim 2, characterized in that: The inner wall of the other end of the rotating block (13) is rotatably connected to a second connecting shaft (14), and both ends of the second connecting shaft (14) are rotatably connected to the inner wall of the moving block (9). An abutment block (15) is fixedly mounted on the side of the rotating block (13), and a non-slip rubber pad (16) is provided at the bottom of the abutment block (15).
5. The automatic calibration test fixture according to claim 1, characterized in that: A fixing frame (17) is fixedly mounted on the top of the device body (1), a rotating motor (18) is fixedly mounted on the side of the fixing frame (17), and an output shaft of the rotating motor (18) passes through the side of the fixing frame (17), one end of the output shaft of the rotating motor (18) is fixedly connected to a threaded rod (19), and one end of the threaded rod (19) is rotatably connected to the side inside the fixing frame (17).
6. The automatic calibration test fixture according to claim 5, characterized in that: An auxiliary rod (20) is fixedly mounted on the inner wall of the fixing frame (17), a detection camera (21) is slidably connected to the outer surface of the auxiliary rod (20), and the inner wall of the detection camera (21) is threadedly connected to the outer surface of the threaded rod (19).