Clamp for PCB (printed circuit board) detection

Abstract

The utility model relates to the technical field of circuit board detection, and discloses a fixture for PCB detection, which comprises a detection main body, the fixture main body comprises a connecting shaft lever, and one end of the connecting shaft lever is connected with a rotating axis; the mounting axis is connected to the other end of the connecting shaft rod; one end of the limiting rod is connected with the mounting axis; the deflection axis penetrates through the limiting rod; one end of the clamping plate is connected with the limiting rod; and the supporting plate is connected to the outer side of the deflection axis. Synchronous deflection is carried out through the rotating axes connected to the two ends of the adjusting plate, the rotating axes synchronously drive the connecting shaft rods to deflect, the connecting shaft rods synchronously drive the mounting axes at the top ends of the connecting shaft rods to deflect, the mounting axes drive the limiting rods to deflect, and the limiting rods deflect around the deflection axes. The clamping plates connected with the top ends of the limiting rods deflect, and then the two sets of opposite clamping plates clamp and limit the PCB on the objective table.

Description

Technical Field

[0001] The utility model relates to the field of circuit board detection, in particular to a fixture for PCB circuit board detection. Background Art

[0002] At present, after the PCB circuit board is produced, it needs to be detected. It is necessary to clamp and fix the PCB board to achieve the purpose of detecting the installation positions of electronic components on the PCB circuit board. Usually, the mechanism for clamping the PCB circuit board is complex in structure, inconvenient for loading and unloading, low in work efficiency, and poor in clamping stability. The PCB circuit board is prone to small displacements during the detection process, thus affecting the detection results; in addition, the fixture usually used for clamping the PCB board can only clamp PCB boards with regular shapes, and has a narrow range of use. Summary of the Utility Model

[0003] To solve the technical problems that the PCB circuit board is prone to small displacements during the detection process, thus affecting the detection results; in addition, the fixture usually used for clamping the PCB board can only clamp PCB boards with regular shapes, and has a narrow range of use, the utility model provides a fixture for PCB circuit board detection.

[0004] The utility model is realized by adopting the following technical solutions: A fixture for PCB circuit board detection, comprising a detection main body, and the detection main body includes a fixture main body and a detection mechanism main body;

[0005] Among them, the fixture main body includes: a mounting plate, which supports the fixture main body; a driving motor, which is installed above the mounting plate; a driving rod, which is connected to the outside of the driving motor; an adjusting plate, which is installed at the top of the driving rod; a rotating axis center, which is installed on the surface of the adjusting plate; the adjusting plate is triangular, and the driving rod and two groups of rotating axis centers are connected to the three feet of the adjusting plate; a connecting shaft rod, one end of which is connected to the rotating axis center; a mounting axis center, which is connected to the other end of the connecting shaft rod; a limiting rod, one end of which is connected to the mounting axis center; a deflecting axis center, which passes through the limiting rod; a clamping plate, one end of which is connected to the limiting rod; and a supporting plate, which is connected to the outside of the deflecting axis center.

[0006] Place the PCB circuit board to be detected on the loading platform. Through the operation of the driving motor, the driving motor drives the driving rod to deflect the adjusting plate, and the rotating axis centers connected to both ends of the adjusting plate deflect synchronously. The rotating axis centers drive the connecting shaft rod to deflect synchronously, and the connecting shaft rod drives the mounting axis center at its top to deflect synchronously. The mounting axis center drives the limiting rod to deflect, and the limiting rod deflects around the deflecting axis center. The clamping plate connected to the top of the limiting rod deflects, and the two opposite clamping plates then clamp and limit the PCB circuit board on the loading platform.

[0007] As a further improvement of the above solution, two groups of clamping plates are provided, and protective rubber layers are provided at the bottom ends of the two groups of clamping plates to prevent damage to the clamped PCB circuit board.

[0008] As a further improvement of the above solution, the main body of the detection mechanism includes: a loading platform, which is arranged at the bottom end of the main body of the detection mechanism; a sliding groove, which is opened on the surface of the loading platform; a sliding plate, the bottom end of which is clamped inside the sliding groove; a mounting rod, which is supported above the loading platform; a mounting table, which is connected to the top end of the mounting rod; a telescopic motor; an electric push rod, which is connected below the telescopic motor; a detector, which is arranged at the bottom end of the electric push rod. The main body of the detection mechanism is installed above the support plate. The sliding plate then slides inside the sliding groove, and the two opposite sliding plates then clamp and limit the PCB circuit board. Subsequently, through the operation of the telescopic motor, the telescopic motor then drives the electric push rod to work, and the electric push rod pushes downward. The electric push rod drives the detector connected to it to descend synchronously downward, and the detector then detects the PCB circuit board.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0010] 1. In the present utility model, the rotation axes connected to both ends of the adjusting plate deflect synchronously. The rotation axes drive the connecting shaft rods to deflect synchronously, the connecting shaft rods drive the mounting axes at their tops to deflect synchronously, the mounting axes drive the limiting rods to deflect, the limiting rods deflect around the deflection axis, and the clamping plates connected to the tops of the limiting rods deflect. The two opposite clamping plates then clamp and limit the PCB circuit board on the loading platform.

[0011] 2. In the present utility model, through the operation of the telescopic motor, the telescopic motor then drives the electric push rod to work, the electric push rod pushes downward, the electric push rod drives the detector connected to it to descend synchronously downward, and the detector then detects the PCB circuit board. Description of the Drawings

[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0013] Figure 2 is a schematic diagram of the connection structure of the fixture main body of the present utility model;

[0014] Figure 3 is a schematic diagram of the connection structure of the main body of the detection mechanism of the present utility model.

[0015] Main Symbol Explanation:

[0016] Detection main body; 2. Fixture main body; 21. Mounting plate; 22. Driving motor; 23. Driving rod; 24. Adjusting plate; 25. Rotation axis; 26. Connecting shaft rod; 27. Mounting axis; 28. Limiting rod; 29. Deflection axis; 210. Clamping plate; 211. Support plate; 3. Detection mechanism main body; 31. Carrying platform; 32. Sliding groove; 33. Sliding plate; 34. Mounting rod; 35. Mounting table; 36. Telescopic motor; 37. Electric push rod; 38. Detector. Detailed implementation manner

[0017] Next, in combination with the accompanying drawings and the detailed implementation manner, the present utility model will be further described. It should be noted that, on the premise of no conflict, the following-described embodiments or technical features can be arbitrarily combined to form new embodiments. Embodiment

[0018] Please refer to Figures 1-3 , this embodiment proposes a fixture for PCB circuit board detection, including a detection main body 1, and the detection main body 1 includes a fixture main body 2 and a detection mechanism main body 3;

[0019] Among them, the fixture main body 2 includes:

[0020] Mounting plate 21, and the mounting plate 21 supports the fixture main body 2;

[0021] Driving motor 22, and the driving motor 22 is installed above the mounting plate 21;

[0022] Driving rod 23, and the driving rod 23 is connected to the outside of the driving motor 22;

[0023] Adjusting plate 24, and the adjusting plate 24 is installed at the top of the driving rod 23;

[0024] Rotation axis 25, and the rotation axis 25 is installed on the surface of the adjusting plate 24; the adjusting plate 24 is triangular, and the driving rod 23 and two groups of rotation axes 25 are connected to the three feet of the adjusting plate 24;

[0025] Connecting shaft rod 26, and one end of the connecting shaft rod 26 is connected to the rotation axis 25;

[0026] Mounting axis 27, and the mounting axis 27 is connected to the other end of the connecting shaft rod 26;

[0027] Limiting rod 28, and one end of the limiting rod 28 is connected to the mounting axis 27;

[0028] Deflection axis 29, and the deflection axis 29 passes through the limiting rod 28;

[0029] Clamping plate 210, and one end of the clamping plate 210 is connected to the limiting rod 28;

[0030] The support plate 211 is connected to the outside of the offset axis 29. There are two sets of clamping plates 210, and protective rubber layers are provided at the bottoms of the two sets of clamping plates 210.

[0031] Place the PCB circuit board to be detected on the loading platform 31. By the operation of the driving motor 22, the driving motor 22 drives the driving rod 23 to deflect the adjusting plate 24. The rotating axes 25 connected to both ends of the adjusting plate 24 deflect synchronously. The rotating axes 25 drive the connecting shaft rod 26 to deflect synchronously. The connecting shaft rod 26 drives the mounting axis 27 at its top to deflect synchronously. The mounting axis 27 drives the limiting rod 28 to deflect. The limiting rod 28 deflects around the offset axis 29. The clamping plates 210 connected to the top of the limiting rod 28 deflect. The two opposite clamping plates 210 then clamp and limit the PCB circuit board on the loading platform 31.

[0032] The detection mechanism main body 3 includes:

[0033] The loading platform 31 is arranged at the bottom of the detection mechanism main body 3;

[0034] The sliding groove 32 is opened on the surface of the loading platform 31;

[0035] The sliding plate 33 has its bottom end clamped inside the sliding groove 32;

[0036] The mounting rod 34 is supported above the loading platform 31;

[0037] The mounting platform 35 is connected to the top of the mounting rod 34;

[0038] The telescopic motor 36;

[0039] The electric push rod 37 is connected below the telescopic motor 36;

[0040] The detector 38 is arranged at the bottom of the electric push rod 37. The detection mechanism main body 3 is installed above the support plate 211. The sliding plate 33 then slides inside the sliding groove 32. The two opposite sliding plates 33 then clamp and limit the PCB circuit board. Subsequently, by the operation of the telescopic motor 36, the telescopic motor 36 drives the electric push rod 37 to work. The electric push rod 37 pushes downward. The electric push rod 37 drives the detector 38 connected to it to descend synchronously. The detector 38 then detects the PCB circuit board.

[0041] The specific implementation steps of the present utility model are as follows:

[0042] During use, place the PCB circuit board to be detected on the stage 31. Through the operation of the driving motor 22, the driving motor 22 drives the driving rod 23 to deflect the adjusting plate 24. The rotating axles 25 connected to both ends of the adjusting plate 24 deflect synchronously. The rotating axles 25 drive the connecting shaft rod 26 to deflect synchronously. The connecting shaft rod 26 drives the mounting axle 27 at its top to deflect synchronously. The mounting axle 27 drives the limiting rod 28 to deflect. The limiting rod 28 deflects around the deflection axle 29. The clamping plates 210 connected to the top of the limiting rod 28 deflect. The two sets of opposite clamping plates 210 then clamp and limit the PCB circuit board on the stage 31;

[0043] The sliding plates 33 then slide inside the sliding grooves 32. The two sets of opposite sliding plates 33 then clamp and limit the PCB circuit board. Subsequently, through the operation of the telescopic motor 36, the telescopic motor 36 then drives the electric push rod 37 to operate. The electric push rod 37 pushes downward. The electric push rod 37 drives the detector 38 connected to it to descend synchronously downward. The detector 38 then detects the PCB circuit board.

[0044] The above embodiments are only the preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by those skilled in the art based on the present invention fall within the scope of protection required by the present invention.

Claims

1. A fixture for PCB circuit board detection, comprising a detection main body, characterized in that, The detection main body includes a fixture main body and a detection mechanism main body; Among them, the fixture main body includes: A mounting plate that supports the fixture main body; A driving motor mounted above the mounting plate; A driving rod connected to the outside of the driving motor; An adjusting plate mounted at the top of the driving rod; A rotating axis mounted on the surface of the adjusting plate; A connecting shaft rod, one end of which is connected to the rotating axis; A mounting axis connected to the other end of the connecting shaft rod; A limiting rod, one end of which is connected to the mounting axis; A deflecting axis passing through the limiting rod; A clamping plate, one end of which is connected to the limiting rod; A supporting plate connected to the outside of the deflecting axis.

2. The jig for PCB circuit board detection according to claim 1, wherein The adjusting plate is triangular, and the driving rod and the two rotating axes are connected to the three feet of the adjusting plate.

3. The jig for PCB circuit board detection according to claim 1, characterized in that, There are two clamping plates, and protective rubber layers are provided at the bottoms of the two clamping plates.

4. A fixture for PCB circuit board detection according to claim 1, characterized in that, The detection mechanism main body includes: A loading platform provided at the bottom of the detection mechanism main body; A sliding groove opened on the surface of the loading platform; A sliding plate, the bottom end of which is clamped inside the sliding groove; A mounting rod supported above the loading platform; A mounting table connected to the top of the mounting rod; A telescopic motor; An electric push rod connected below the telescopic motor; A detector provided at the bottom end of the electric push rod.

5. The fixture for PCB circuit board detection according to claim 1, characterized in that, The detection mechanism main body is mounted above the supporting plate.

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