Anti-overshoot multifunctional detection jig
By designing a multi-functional detection fixture that is anti-overshoot and adopting a detection method combining horizontal moving mechanism and a hoisting mechanism, the problems of low detection efficiency and risk of derailment in the prior art are solved, and efficient and multi-functional detection effects are achieved.
Patent Information
- Application Number
- CN202421707194.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-07-18
AI Technical Summary
In the prior art, multifunctional testing of PCB boards requires multiple different functional devices to be tested, which has low detection efficiency and there is a risk of derailment when the product moves, which further reduces the detection efficiency.
A multi-functional detection fixture that is anti-overshooting is designed. The horizontal moving mechanism is used to drive the fixture plate to carry out horizontal movement, and the multi-functional detection is achieved in combination with the hoisting mechanism, which reduces the probability of derailment through the buffer column and position sensor.
It improves detection efficiency, reduces the risk of derailment, and realizes multi-functional detection while improving the overall efficiency of product inspection.
Smart Images

Figure CN222979643U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of test fixtures, and more specifically, to a multifunctional detection fixture for preventing overshoot. Background Art
[0002] A PCB, i.e., a printed circuit board, is one of the important components of the electronics industry. Almost every electronic device, from small electronic watches and calculators to computers, communication electronic devices, and military weapon systems, as long as there are electronic components such as integrated circuits, printed circuit boards are used to achieve electrical interconnection between components. A printed circuit board consists of an insulating base plate, connecting wires, and pads for assembling and soldering electronic components, and has the dual functions of a conductive circuit and an insulating base plate. When a PCB circuit board leaves the factory, it needs to be tested, so a PCB circuit board detection fixture is required.
[0003] In the prior art, multiple different functional devices are required to test a PCB board for multifunctional testing, resulting in low detection efficiency. Moreover, when the product moves, a structure in which a slider moves on a slide rail is often used to drive the fixture plate to move, which has a risk of derailment and further reduces the product detection efficiency.
[0004] In view of this, the utility model proposes a multifunctional detection and non-derailment-prone multifunctional detection fixture for preventing overshoot. Summary of the Utility Model
[0005] The purpose of the utility model is to propose a multifunctional detection and non-derailment-prone multifunctional detection fixture for preventing overshoot.
[0006] A multifunctional detection fixture for preventing overshoot includes a machine 1, characterized in that: a horizontal moving mechanism 2 is provided above the machine 1, a fixture plate 3 is provided above the horizontal moving mechanism 2, the horizontal moving mechanism 2 is used to drive the fixture plate 3 to move horizontally, a material to be detected is provided on the fixture plate 3, a support frame 4 is provided on the side of the horizontal moving mechanism 2, two general detection mechanisms are provided above the support frame 4, and adjacent general detection mechanisms are symmetrically arranged, a lifting mechanism 8 is provided below the horizontal moving mechanism 2, the top of the lifting mechanism 8 is correspondingly connected to the general detection mechanism, and the lifting mechanism 8 is used to push the fixture plate 3 up and then connect the material to be detected with the general detection mechanism for detection, and the horizontal moving mechanism 2 includes a first driving cylinder 21, a support block 2 2. A first slider 23, a first slide rail 24, and a carrier plate 25. A first driving cylinder 21 is provided at both ends of the upper side of the machine 1. A first driving shaft is provided at one end of the first driving cylinder 21. The side of the first driving shaft is vertically connected to the carrier plate 25. A support block 22 is provided on the outer side of each first driving cylinder 21. A plurality of first sliders 23 are provided on each support block 22 at intervals. A first slide rail 24 is provided in the first slider 23. The upper side of the first slide rail 24 is connected to the carrier plate 25. The carrier plate 25 is connected to the first slider 23 through the first slide rail 24. When the first driving shaft of the first driving cylinder 21 drives the carrier plate 25, the bottom of the carrier plate 25 moves horizontally along the direction of the first slider 23 through the first slide rail 24.
[0007] Furthermore, a buffer column 26 is provided on the inner side of the carrier plate 25 near the support block 22 for buffering and preventing overshoot.
[0008] Furthermore, a plurality of first position sensors 27 are spaced apart on the side of the carrier plate 25 , and the first position sensors 27 are used to monitor the position of the fixture plate 3 .
[0009] Furthermore, second position sensors 28 are provided above the carrier plate 25 and on both sides close to the fixture plate 3 , and adjacent second position sensors 28 are arranged diagonally. The second position sensors 28 are used to monitor the position of the fixture plate 3 .
[0010] In some embodiments, the overall detection mechanism includes a first detection mechanism 5, a second detection mechanism 6, and a third detection mechanism 7. The first detection mechanism 5 is provided above the support frame 4, the second detection mechanism 6 is provided on one side of the first detection mechanism 5, and the third detection mechanism 7 is provided on the other side of the first detection mechanism 5.
[0011] In some embodiments, the first detection mechanism 5 includes a first driving motor 51, a synchronous belt assembly 52, a second test probe board 53, a second slider 54, a second slide rail 55, and a pressing rod 56. Above the support frame 4, there is a first driving motor 51. The driving end of the first driving motor 51 is provided with a synchronous belt assembly 52. The side of the synchronous belt assembly 52 is provided with a second test probe board 53. The synchronous belt assembly 52 is used to adjust the horizontal position of the second test probe board 53. Between the second test probe board 53 and the support frame 4, there is a second slide rail 55. The second slide rail 55 is connected to the second test probe board 53 through a second slider 54. Around the support frame 4 near the first detection mechanism 5, there are also pressing rods 56, which are used to make the force evenly distributed when the fixture plate 3 is jacked up.
[0012] In some embodiments, the jacking mechanism 8 includes a second driving cylinder 81, a jacking plate 82, a first test probe board 83, a first linear guide post assembly 84, a cylinder fixed bottom plate 85, and a positioning pin 86. Inside the machine table 1, there is a second driving cylinder 81. The second driving cylinder 81 is connected to the machine table 1 through the cylinder fixed bottom plate 85. The top end of the second driving cylinder 81 is provided with a second driving shaft. Above the second driving shaft, there is a jacking plate 82. Above the jacking plate 82, there is a first test probe board 83. The first test probe board 83 is provided with a plurality of probes. At the left and right ends above the first test probe board 83, there are positioning pins 86, which are correspondingly connected to the bottom of the fixture plate 3. Around the bottom of the jacking plate 82, there is a first linear guide post assembly 84. The jacking plate 82 is connected to the cylinder fixed bottom plate 85 through the first linear guide post assembly 84. When the driving shaft of the second driving cylinder 81 drives the jacking plate 82 and the first test probe board 83 to move upward, the jacking plate 82 and the first test probe board 83 move vertically along the direction of the first linear guide post assembly 84. The positioning pins 86 on the jacking plate 82 and the detection probes on the first test probe board 83 are correspondingly connected to the fixture plate 3.
[0013] Further, there are 2 scanners 9 spaced apart on the jacking mechanism 8.
[0014] In some embodiments, positioning columns 10 are provided at the left and right ends near the total detection mechanism below the support frame 4.
[0015] In some embodiments, positioning grooves 821 are further provided at the left and right ends of the jacking plate 82, and the positioning grooves 821 are correspondingly connected to the positioning columns 10.
[0016] Advantages of the present utility model: The present utility model provides a multifunctional detection fixture for preventing overshoot. The horizontal movement mechanism 2 includes a first driving cylinder 21, a support block 22, a first slider 23, a first slide rail 24, and a load plate 25. At both ends above the machine table 1, a first driving cylinder 21 is provided. One end of the first driving cylinder 21 is provided with a first driving shaft, and the side of the first driving shaft is perpendicularly connected to the load plate 25. Outside each first driving cylinder 21, a support block 22 is provided. On each support block 22, a plurality of first sliders 23 are provided at intervals. A first slide rail 24 is provided inside the first slider 23, and the upper part of the first slide rail 24 is connected to the load plate 25. The load plate 25 is connected to the first slider 23 through the first slide rail 24. When the first driving shaft of the first driving cylinder 21 drives the load plate 25, the bottom of the load plate 25 moves horizontally along the direction of the first slider 23 through the first slide rail 24, reducing the probability of derailment and improving the detection efficiency. Moreover, the lifting mechanism 8 is used to lift the fixture plate 3 and then connect the to-be-detected material to the first detection mechanism 5, the second detection mechanism 6, and the third detection mechanism 7 for detection, replacing the existing one-detection-one-device, and completing the multiple-function detection of multiple products in one detection, greatly improving the detection efficiency. Description of the Drawings
[0017] Figure 1 It is a schematic diagram of the overall structure of a multifunctional detection fixture for preventing overshoot according to the present application.
[0018] Figure 2 It is a schematic diagram of the structure of a multifunctional detection fixture for preventing overshoot according to the present application.
[0019] Figure 3 It is a schematic diagram of the structure of the horizontal movement mechanism and the fixture plate of a multifunctional detection fixture for preventing overshoot according to the present application.
[0020] Figure 4 It is a schematic diagram of the structure of the lifting mechanism of a multifunctional detection fixture for preventing overshoot according to the present application.
[0021] Figure 5 It is a schematic diagram of the structure of the lifting mechanism of a multifunctional detection fixture for preventing overshoot according to the present application.
[0022] Figure 6 It is a schematic diagram of the structure of the total detection mechanism of a multifunctional detection fixture for preventing overshoot according to the present application.
[0023] Figure 7 It is a schematic diagram of the structure of the total detection mechanism of a multifunctional detection fixture for preventing overshoot according to the present application.
[0024] Explanation of the Main Component Symbols
[0025]
[0026]
[0027] The following specific embodiments will further illustrate the present utility model in conjunction with the above-mentioned drawings. Specific embodiments
[0028] The following embodiments are described to assist in understanding the present application, and the embodiments are not and should not be construed in any way as limiting the scope of protection of the present application.
[0029] In the following description, those skilled in the art will recognize that throughout this discussion, components may be described as separate functional units (which may include sub-units), but those skilled in the art will recognize that various components or portions thereof may be divided into separate components or may be integrated together (including being integrated within a single system or component).
[0030] At the same time, the connections between components or systems are not intended to be limited to direct connections. On the contrary, the data between these components may be modified, reformatted, or otherwise changed by intermediate components. Additionally, additional or fewer connections may be used. It should also be noted that the terms "coupled", "connected", or "input" should be understood to include direct connections, indirect connections through one or more intermediate devices, and wireless connections.
[0031] Embodiment 1:
[0032] As Figure 1 shown, it is a schematic diagram of the overall structure of a multifunctional detection fixture for preventing overshoot of the present application; as Figure 2 shown, it is a schematic diagram of the structure of a multifunctional detection fixture for preventing overshoot of the present application; as Figure 3 shown, it is a schematic diagram of the horizontal movement mechanism and the fixture plate of a multifunctional detection fixture for preventing overshoot of the present application; as Figure 4 shown, it is a schematic diagram of the lifting mechanism of a multifunctional detection fixture for preventing overshoot of the present application; as Figure 5 shown, it is a schematic diagram of the lifting mechanism of a multifunctional detection fixture for preventing overshoot of the present application; as Figure 6 shown, it is a schematic diagram of the total detection mechanism of a multifunctional detection fixture for preventing overshoot of the present application; as Figure 7 shown, it is a schematic diagram of the total detection mechanism of a multifunctional detection fixture for preventing overshoot of the present application.
[0033] A multifunctional detection fixture for preventing overshoot includes a machine 1, characterized in that: a horizontal moving mechanism 2 is provided above the machine 1, a fixture plate 3 is provided above the horizontal moving mechanism 2, the horizontal moving mechanism 2 is used to drive the fixture plate 3 to move horizontally, a material to be detected is provided on the fixture plate 3, a support frame 4 is provided on the side of the horizontal moving mechanism 2, two general detection mechanisms are provided above the support frame 4, and adjacent general detection mechanisms are symmetrically arranged, a lifting mechanism 8 is provided below the horizontal moving mechanism 2, the top of the lifting mechanism 8 is correspondingly connected to the general detection mechanism, and the lifting mechanism 8 is used to push the fixture plate 3 up and then connect the material to be detected with the general detection mechanism for detection, and the horizontal moving mechanism 2 includes a first driving cylinder 21, a support block 2 2. A first slider 23, a first slide rail 24, and a carrier plate 25. A first driving cylinder 21 is provided at both ends of the upper side of the machine 1. A first driving shaft is provided at one end of the first driving cylinder 21. The side of the first driving shaft is vertically connected to the carrier plate 25. A support block 22 is provided on the outer side of each first driving cylinder 21. A plurality of first sliders 23 are provided on each support block 22 at intervals. A first slide rail 24 is provided in the first slider 23. The upper side of the first slide rail 24 is connected to the carrier plate 25. The carrier plate 25 is connected to the first slider 23 through the first slide rail 24. When the first driving shaft of the first driving cylinder 21 drives the carrier plate 25, the bottom of the carrier plate 25 moves horizontally along the direction of the first slider 23 through the first slide rail 24.
[0034] A buffer column 26 is also provided on the inner side of the carrier plate 25 near the support block 22 for buffering and preventing overshoot.
[0035] A plurality of first position sensors 27 are spaced apart on the side of the carrier plate 25 , and the first position sensors 27 are used to monitor the position of the fixture plate 3 .
[0036] Second position sensors 28 are disposed above the carrier plate 25 and on both sides close to the fixture plate 3 . Adjacent second position sensors 28 are disposed diagonally. The second position sensors 28 are used to monitor the position of the fixture plate 3 .
[0037] The overall detection mechanism includes a first detection mechanism 5 , a second detection mechanism 6 , and a third detection mechanism 7 . The first detection mechanism 5 is disposed above the support frame 4 , the second detection mechanism 6 is disposed on one side of the first detection mechanism 5 , and the third detection mechanism 7 is disposed on the other side of the first detection mechanism 5 .
[0038] The first detection mechanism 5 includes a first driving motor 51, a synchronous belt assembly 52, a second test probe board 53, a second slider 54, a second slide rail 55, and a pressing rod 56. A first driving motor 51 is provided above the support frame 4. The driving end of the first driving motor 51 is provided with a synchronous belt assembly 52. A second test probe board 53 is provided on the side of the synchronous belt assembly 52. The synchronous belt assembly 52 is used to adjust the horizontal position of the second test probe board 53. A second slide rail 55 is provided between the second test probe board 53 and the support frame 4. The second slide rail 55 is connected to the second test probe board 53 through a second slider 54. Pressing rods 56 are further provided around the support frame 4 close to the first detection mechanism 5. The pressing rods 56 are used to make the force evenly distributed when the fixture plate 3 is jacked up.
[0039] The jacking mechanism 8 includes a second driving cylinder 81, a jacking plate 82, a first test needle board 83, a first linear guide post assembly 84, a cylinder fixed bottom plate 85, and a positioning pin 86. A second driving cylinder 81 is provided in the machine table 1. The second driving cylinder 81 is connected to the machine table 1 through the cylinder fixed bottom plate 85. A second driving shaft is provided at the top end of the second driving cylinder 81. A jacking plate 82 is provided above the second driving shaft. A first test needle board 83 is provided above the jacking plate 82. A plurality of probes are provided on the first test needle board 83. Positioning pins 86 are provided at the left and right ends above the first test needle board 83. The positioning pins 86 are correspondingly connected to the bottom of the fixture plate 3. A first linear guide post assembly 84 is provided around the bottom of the jacking plate 82. The jacking plate 82 is connected to the cylinder fixed bottom plate 85 through the first linear guide post assembly 84. When the driving shaft of the second driving cylinder 81 drives the jacking plate 82 and the first test needle board 83 to move upward, the jacking plate 82 and the first test needle board 83 move vertically along the direction of the first linear guide post assembly 84. The positioning pins 86 on the jacking plate 82 and the detection probes on the first test needle board 83 are correspondingly connected to the fixture plate 3.
[0040] Further, two code scanners 9 are also provided at intervals on the jacking mechanism 8.
[0041] Positioning columns 10 are provided at the left and right ends of the lower part of the support frame 4 close to the total detection mechanism.
[0042] Positioning grooves 821 are further provided at the left and right ends of the jacking plate 82. The positioning grooves 821 are correspondingly connected to the positioning columns 10.
[0043] Advantages of the present utility model: The present utility model provides a multifunctional detection fixture for preventing overshoot. The horizontal movement mechanism 2 includes a first driving cylinder 21, a support block 22, a first slider 23, a first slide rail 24, and a load plate 25. At both ends above the machine table 1, there is a first driving cylinder 21. One end of the first driving cylinder 21 is provided with a first driving shaft, and the side of the first driving shaft is perpendicularly connected to the load plate 25. Outside each first driving cylinder 21, there is a support block 22. On each support block 22, a plurality of first sliders 23 are arranged at intervals. A first slide rail 24 is arranged inside the first slider 23, and the upper part of the first slide rail 24 is connected to the load plate 25. The load plate 25 is connected to the first slider 23 through the first slide rail 24. When the first driving shaft of the first driving cylinder 21 drives the load plate 25, the bottom of the load plate 25 moves horizontally along the direction of the first slider 23 through the first slide rail 24, reducing the probability of derailment and improving the detection efficiency. Moreover, the lifting mechanism 8 is used to jack up the fixture plate 3 and then connect the to-be-detected material body to the first detection mechanism 5, the second detection mechanism 6, and the third detection mechanism 7 for detection, replacing the existing one-detection-one-device. Multiple function detections of multiple products can be completed in one detection, greatly improving the detection efficiency.
[0044] Although the present application has disclosed multiple aspects and embodiments, other aspects and embodiments will be obvious to those skilled in the art. Without departing from the concept of the present application, several modifications and improvements can be made, and these all belong to the protection scope of the present application. The multiple aspects and embodiments disclosed in the present application are only used for illustration, and they are not intended to limit the present application. The actual protection scope of the present application is subject to the claims.
Claims
1. A multifunctional overshoot prevention detection fixture, comprising a machine (1), characterized in that: A horizontal moving mechanism (2) is provided above the machine platform (1), a fixture plate (3) is provided above the horizontal moving mechanism (2), the horizontal moving mechanism (2) is used to drive the fixture plate (3) to perform horizontal movement, a material to be detected is provided on the fixture plate (3), a support frame (4) is provided on the side of the horizontal moving mechanism (2), two general detection mechanisms are provided above the support frame (4), and adjacent general detection mechanisms are symmetrically arranged, a lifting mechanism (8) is provided below the horizontal moving mechanism (2), the top of the lifting mechanism (8) is correspondingly connected to the general detection mechanism, and the lifting mechanism (8) is used to lift the fixture plate (3) and then connect the material to be detected to the general detection mechanism for detection, and the horizontal moving mechanism (2) comprises a first driving cylinder (21), a support block (22), a first slide block (23), and a first slide rail (24). ), a carrier plate (25), a first driving cylinder (21) is provided at both ends above the machine platform (1), a first driving shaft is provided at one end of the first driving cylinder (21), and the side of the first driving shaft is vertically connected to the carrier plate (25), a support block (22) is provided on the outside of each first driving cylinder (21), and a plurality of first sliding blocks (23) are arranged on each support block (22) at intervals, a first slide rail (24) is provided inside the first sliding block (23), and the upper part of the first slide rail (24) is connected to the carrier plate (25), and the carrier plate (25) is connected to the first sliding block (23) through the first sliding rail (24), and when the first driving shaft of the first driving cylinder (21) drives the carrier plate (25), the bottom of the carrier plate (25) moves horizontally along the direction of the first sliding block (23) through the first sliding rail (24).
2. The multifunctional overshoot prevention detection fixture according to claim 1, characterized in that: A buffer column (26) is also provided on the inner side of the loading plate (25) near the supporting block (22) for buffering and preventing overshoot.
3. The multifunctional overshoot prevention detection fixture according to claim 1, characterized in that: A plurality of first position sensors (27) are arranged at intervals on the side of the carrier plate (25), and the first position sensors (27) are used to monitor the position of the fixture plate (3).
4. The multifunctional overshoot prevention detection fixture according to claim 1, characterized in that: Second position sensors (28) are provided above the carrier plate (25) and on both sides close to the fixture plate (3), and adjacent second position sensors (28) are arranged diagonally. The second position sensors (28) are used to monitor the position of the fixture plate (3).
5. The multifunctional overshoot prevention detection fixture according to claim 1, characterized in that: The overall detection mechanism comprises a first detection mechanism (5), a second detection mechanism (6), and a third detection mechanism (7); the first detection mechanism (5) is arranged above the support frame (4); the second detection mechanism (6) is arranged on one side of the first detection mechanism (5); and the third detection mechanism (7) is arranged on the other side of the first detection mechanism (5).
6. The multifunctional overshoot prevention detection fixture as claimed in claim 5, characterized in that: The first detection mechanism (5) includes a first driving motor (51), a synchronous belt assembly (52), a second test probe plate (53), a second slider (54), a second slide rail (55), and a pressure rod (56). The first driving motor (51) is arranged above the support frame (4). The driving end of the first driving motor (51) is provided with a synchronous belt assembly (52). The side of the synchronous belt assembly (52) is provided with a second test probe plate (53). The synchronous belt assembly (52) is used to adjust the horizontal position of the second test probe plate (53). A second slide rail (55) is provided between the second test probe plate (53) and the support frame (4). The second slide rail (55) and the second test probe plate (53) are connected by a second slider (54). Pressure rods (56) are also arranged around the support frame (4) near the first detection mechanism (5). The pressure rods (56) are used to ensure uniform force when the fixture plate (3) is pushed up.
7. The multifunctional overshoot prevention detection fixture according to claim 1, characterized in that: The lifting mechanism (8) comprises a second driving cylinder (81), a lifting plate (82), a first test needle plate (83), a first linear guide column assembly (84), a cylinder fixed base plate (85), and a positioning pin (86). The second driving cylinder (81) is provided in the machine platform (1). The second driving cylinder (81) is connected to the machine platform (1) through the cylinder fixed base plate (85). A second driving shaft is provided at the top of the second driving cylinder (81). A lifting plate (82) is provided above the second driving shaft. A first test needle plate (83) is provided above the lifting plate (82). A plurality of probes are provided on the first test needle plate (83). The left and right ends of the first test needle plate (83) are provided above the first test needle plate (83). A positioning pin (86) is provided, and the positioning pin (86) is correspondingly connected to the bottom of the fixture disk (3). A first linear guide column assembly (84) is provided around the bottom of the lifting plate (82). The lifting plate (82) is connected to the cylinder fixed bottom plate (85) through the first linear guide column assembly (84). When the second driving cylinder (81) drives the lifting plate (82) and the first test needle plate (83) to move upward, the lifting plate (82) and the first test needle plate (83) move vertically along the direction of the first linear guide column assembly (84), and the positioning pin (86) of the lifting plate (82) and the detection probe on the first test needle plate (83) are correspondingly connected to the fixture disk (3).
8. The multifunctional overshoot prevention detection fixture according to claim 1, characterized in that: Two code scanners (9) are also arranged at intervals on the lifting mechanism (8).
9. The multifunctional overshoot prevention detection fixture according to claim 1, characterized in that: A positioning column (10) is provided at both left and right ends of the support frame (4) below and close to the main detection mechanism.
10. The multifunctional overshoot prevention detection fixture according to claim 7, characterized in that: The left and right ends of the lifting plate (82) are also provided with positioning grooves (821), and the positioning grooves (821) are correspondingly connected to the positioning columns (10).