Positioning type on-line withstand voltage detection device based on circuit board
By combining the hydraulic cylinder and the alignment frame of the positioning-type online pressure testing device, the problem of positional deviation during circuit board transportation is solved, ensuring precise contact between the testing probe and the circuit board, and improving testing accuracy and efficiency.
Patent Information
- Application Number
- CN202511056947.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-30
- Publication Date
- 2025-12-12
AI Technical Summary
The existing online withstand voltage testing device suffers from positional deviations during circuit board transportation, which prevents the testing probe from achieving precise clamping and testing, thus affecting the accuracy of the test.
A positioning-type online pressure testing device is adopted. The positioning baffle and semi-circular correction frame are driven by a hydraulic cylinder to correct the position of the circuit board, ensuring that the test probe makes full contact with the circuit board. This includes guiding the probe with a guide plate, lowering the positioning baffle with a hydraulic cylinder, and rotating the correction frame with a drive motor for correction.
This enabled precise positioning of the circuit board, improving the accuracy and efficiency of the test results.
Smart Images

Figure CN121114501A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of circuit board detection, and particularly relates to a positioning type online detection voltage resistance device based on a circuit board. BACKGROUND
[0002] The circuit board positioning type online detection voltage resistance system is an automatic quality detection device used in the production process of a PCB (printed circuit board), and is mainly used for detecting the insulation performance and voltage resistance strength of the circuit board.
[0003] In the use process of the existing online detection voltage resistance device, since the circuit board is transported through a conveying belt, the circuit board is prone to positional deviation in the transportation process. When the circuit board moves to the detection probe, the distance between the circuit board and the detection probe can be greater than the adjustment range, so that the detection probe cannot achieve accurate clamping detection of the circuit board, and the practical value of the online detection voltage resistance device is reduced. SUMMARY
[0004] The present application discloses a positioning type online detection voltage resistance device based on a circuit board, which aims to solve the technical problem that the existing online detection voltage resistance device is prone to positional deviation in the transportation process when the circuit board is transported through a conveying belt, and the distance between the circuit board and the detection probe can be greater than the adjustment range when the circuit board moves to the detection probe, so that the detection probe cannot achieve accurate clamping detection of the circuit board.
[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: A positioning type online detection voltage resistance device based on a circuit board, comprising a base, two cross rods and a positioning mechanism, the positioning mechanism comprises a mounting plate, and the mounting plate is fixedly connected to the top of one of the cross rods, both sides of the mounting plate are fixedly connected with lifting rails, lifting sliding rods are slidingly connected in the two lifting rails, the top of the mounting plate at the two lifting rails is fixedly connected with cylinder seats, the cylinder seats are fixedly connected with hydraulic cylinders one facing downward, the output end of the hydraulic cylinders one is fixedly connected to the top of the lifting sliding rods, the opposite sides of the two lifting sliding rods are fixedly connected with positioning baffle plates, the bottom of the cross rod between the two positioning baffle plates is fixedly connected with a matching baffle plate, the top of the other cross rod is fixedly connected with a driving motor, the output shaft of the driving motor is fixedly connected with a rotating shaft through a shaft coupling, and the bottom of the rotating shaft is fixedly connected with a semicircular deviation rectifying frame.
[0006] In a preferred scheme, the top of the base is fixedly connected with shaft plates at four corners, and each opposite two shaft plates are connected with the same transmission roller through bearings on the opposite sides, and the same conveying belt is sleeved on the two transmission rollers.
[0007] In a preferred scheme, one side of one of the shaft plates is fixedly connected with a transmission motor, and the output shaft of the transmission motor is connected with one of the transmission rollers through a shaft coupling.
[0008] In a preferred scheme, the opposite side of the two shaft plates on one side is fixedly connected with the same connecting frame, and the two cross rods are fixedly connected with the top of the corresponding connecting frame.
[0009] In a preferred scheme, the top of the cross rod is fixedly connected with a support plate, and the top of the support plate is fixedly connected with a pressure resistance detector, and the side of the mounting plate away from the positioning baffle is fixedly connected with a flow guide vane.
[0010] In a preferred scheme, the two sides of the cross rod close to the mounting plate are fixedly connected with side rods, and two through holes are symmetrically formed in the cooperation baffle, and the side of the two side rods facing the through holes is fixedly connected with a second hydraulic cylinder, and the output end of the two second hydraulic cylinders is fixedly connected with a detection probe.
[0011] In a preferred scheme, the side of the cooperation baffle below the detection probe is fixedly connected with a propulsion track, and the inside of the propulsion track is slidingly connected with a sliding block, and the sliding block is fixedly connected with the bottom of the corresponding detection probe, and the detection probe is a jaw type.
[0012] As can be seen from the above, the positioning type online pressure resistance detection device based on a circuit board has the following technical effects: when the circuit board is conveyed to the pressure resistance detector, the circuit board moves towards the positioning baffle under the action of the flow guide vane, the positioning baffle is lowered by adjusting the first hydraulic cylinder away from the flow guide vane, the positioning baffle contacts the conveying belt, the positioning baffle blocks the circuit board, the driving motor is started, the driving motor drives the semicircular deviation rectifying frame to rotate through the rotating shaft, the circuit board is continuously rectified and corrected by the semicircular deviation rectifying frame, the circuit board gradually adheres to the positioning baffle, at this time, the positioning baffle below is lowered by adjusting the other first hydraulic cylinder, and the position of the circuit board is corrected by the two positioning baffles and the semicircular deviation rectifying frame, so that the detection probe fully contacts the circuit board, and the accuracy of the detection result is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 The overall structure schematic diagram of the positioning type online pressure resistance detection device based on a circuit board is provided.
[0014] Figure 2 The positioning mechanism, pressure resistance detector and detection probe combined structure schematic diagram of the positioning type online pressure resistance detection device based on a circuit board is provided.
[0015] Figure 3 The planar structure schematic diagram of the positioning type online pressure resistance detection device based on a circuit board is provided. Figure 2
[0016] Figure 4 A positioning baffle, mounting plate and detection probe combination structure schematic diagram of a positioning type online detection voltage withstanding device based on a circuit board is provided for the present application.
[0017] Figure 5 For Figure 4 A structure enlargement view of the A part in the middle.
[0018] In the drawings: 1, base; 2, shaft plate; 3, conveying belt; 4, support plate; 5, voltage detection instrument; 6, positioning mechanism; 601, mounting plate; 602, positioning baffle; 603, driving motor; 604, rotating shaft; 605, half-round deviation rectifying frame; 606, matching baffle; 607, guide vane; 608, lifting rail; 609, cylinder base; 610, hydraulic cylinder one; 611, lifting slide bar; 7, transmission roller; 8, connecting frame; 9, transmission motor; 10, cross rod; 11, side rod; 12, perforation; 13, detection probe; 14, advancing track; 15, hydraulic cylinder two; 16, sliding block. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.
[0020] The online detection voltage withstanding device based on a circuit board disclosed in the present application is mainly applied to the scene that the existing online detection voltage withstanding device cannot realize accurate clamping detection of the circuit board during use, because the circuit board is conveyed by a conveying belt, and the position deviation of the circuit board is prone to occur during conveying, and when the circuit board moves to the detection probe, the distance between the circuit board and the detection probe may be greater than the adjustment range, thereby causing the detection probe to be unable to realize accurate clamping detection of the circuit board.
[0021] Referring to Figures 1-5The utility model provides a kind of circuit board-based positioning type online detection voltage withstanding device, including base 1, two cross poles 10 and positioning mechanism 6, positioning mechanism 6 includes mounting plate 601, and mounting plate 601 is fixedly connected to the top of one of cross poles 10, the both sides of mounting plate 601 are fixedly connected with lifting rail 608, the inside of two lifting rails 608 is slidably connected with lifting slide bar 611, the top of mounting plate 601 at two lifting rails 608 is fixedly connected with cylinder seat 609, cylinder seat 609 is fixedly connected with hydraulic cylinder one 610 below, the output end of hydraulic cylinder one 610 is fixedly connected to the top of lifting slide bar 611, the opposite side of two lifting slide bars 611 is fixedly connected with positioning baffle 602, the bottom of cross pole 10 between two positioning baffles 602 is fixedly connected with cooperation baffle 606, the top of another cross pole 10 is fixedly connected with drive motor 603, the output shaft of drive motor 603 is fixedly connected with rotating shaft 604 by coupling, and the bottom of rotating shaft 604 is fixedly connected with semicircular deviation rectification frame 605.
[0022] In specific application scenarios, when the circuit board is conveyed to voltage detection instrument 5, the circuit board moves towards positioning baffle 602 under the action of flow guide fin 607, positioning baffle 602 is contacted with conveying belt 3 by adjusting the descending of hydraulic cylinder one 610 away from flow guide fin 607, the positioning baffle 602 realizes the blocking of circuit board, drive motor 603 is started, drive motor 603 drives semicircular deviation rectification frame 605 to rotate through rotating shaft 604, and the circuit board is continuously rectified and corrected by semicircular deviation rectification frame 605, so that the circuit board gradually adheres to positioning baffle 602, at this time, the descending of another hydraulic cylinder one 610 drives the positioning baffle 602 below, and the position of the circuit board is corrected by two positioning baffles 602 and semicircular deviation rectification frame 605, to ensure that detection probe 13 is in full contact with the circuit board, and the accuracy of detection result is improved.
[0023] It should be noted that when the position of the circuit board is corrected by two positioning baffles 602, cooperation baffle 606 and semicircular deviation rectification frame 605, the circuit board is clamped between two positioning baffles 602, and when detection probe 13 is aligned, hydraulic cylinder one 610 drives two positioning baffles 602 to reset, and the circuit board is passively lifted, and hydraulic cylinder two 15 drives detection probe 13 to pass through perforation 12 and be clamped on the upper and lower surfaces of the circuit board, to quickly complete detection operation.
[0024] Refer to Figure 1 In a preferred embodiment, the top of base 1 is fixedly connected with shaft plate 2 at four corners, and the opposite side of each corresponding two shaft plates 2 is connected with the same transmission roller 7 through bearing, and the same conveying belt 3 is sleeved on two transmission rollers 7.
[0025] Refer to Figure 1In a preferred implementation, one side of one of the shaft plates 2 is fixedly connected with a transmission motor 9, and the output shaft of the transmission motor 9 is connected with one of the transmission rollers 7 through a shaft coupling.
[0026] With reference to Figure 1 In a preferred implementation, the opposite side of the two shaft plates 2 on one side is fixedly connected with the same connecting frame 8, and the two cross rods 10 are fixedly connected to the top of the corresponding connecting frame 8.
[0027] With reference to Figure 1 Figure 3 In a preferred implementation, the top of the cross rod 10 is fixedly connected with a support plate 4, the top of the support plate 4 is fixedly connected with a pressure-resistant detector 5, and the side of the mounting plate 601 away from the positioning baffle 602 is fixedly connected with a flow guide fin 607.
[0028] With reference to Figure 1 、 Figure 2 、 Figure 4 and Figure 5 In a preferred implementation, the two sides of the cross rod 10 close to the mounting plate 601 are fixedly connected with side rods 11, and two through holes 12 are symmetrically provided on the cooperating baffle 606, the side of the two side rods 11 facing the through holes 12 is fixedly connected with a second hydraulic cylinder 15, and the output end of the two second hydraulic cylinders 15 is fixedly connected with a detection probe 13.
[0029] With reference to Figure 4 and Figure 5 In a preferred implementation, the side of the cooperating baffle 606 below the detection probe 13 is fixedly connected with a propulsion track 14, and the inside of the propulsion track 14 is slidingly connected with a sliding block 16, the sliding block 16 is fixedly connected to the bottom of the corresponding detection probe 13, and the detection probe 13 is a jaw type.
[0030] Working principle: in use, start transmission motor 9, transmission motor 9 drives the transmission belt 3 to rotate, thereby driving the circuit board to move, when the circuit board is transported to the withstand voltage detector 5, the circuit board moves to the positioning baffle 602 under the action of the flow guide piece 607, adjust the hydraulic cylinder one 610 away from the flow guide piece 607 to drive the positioning baffle 602 to descend, then the positioning baffle 602 is in contact with the transmission belt 3, the positioning baffle 602 realizes the blocking of the circuit board, start the drive motor 603, the drive motor 603 drives the semicircular deviation rectification frame 605 to rotate through the rotating shaft 604, the semicircular deviation rectification frame 605 continuously rectifies and corrects the circuit board, so that the circuit board gradually adheres to the positioning baffle 602, at this time, adjust the other hydraulic cylinder one 610 to drive the positioning baffle 602 below to descend, then the position of the circuit board is corrected through the two positioning baffles 602 and the semicircular deviation rectification frame 605, then adjust the hydraulic cylinder one 610 to drive the two positioning baffles 602 to reset, then the circuit board is passively lifted, then adjust the hydraulic cylinder two 15 to drive the detection probe 13 to pass through the perforated hole 12 and clamp on the upper and lower surfaces of the circuit board, and the detection operation is quickly completed.
[0031] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. The substitution can be the substitution of part of the structure, device, method step, or the complete technical solution. According to the technical solution and the inventive concept of the present application, equivalent substitution or change should be covered in the protection scope of the present application.
Claims
1. A circuit board-based positioning-type online withstand voltage testing device, comprising a base (1), two struts (10), and a positioning mechanism (6), characterized in that, The positioning mechanism (6) includes a mounting plate (601), which is fixedly connected to the top of one of the crossbars (10). Lifting rails (608) are fixedly connected to both sides of the mounting plate (601). Lifting slide rods (611) are slidably connected inside both lifting rails (608). Cylinder seats (609) are fixedly connected to the top of the mounting plate (601) at each of the two lifting rails (608). A hydraulic cylinder (610) is fixedly connected to the downward-facing side of the cylinder seat (609). The hydraulic cylinder (610)... The output end is fixedly connected to the top of the lifting slide bar (611). Positioning baffles (602) are fixedly connected to the opposite side of the two lifting slide bars (611). The bottom of the cross rod (10) located between the two positioning baffles (602) is fixedly connected to the mating baffle (606). The top of the other cross rod (10) is fixedly connected to the drive motor (603). The output shaft of the drive motor (603) is fixedly connected to the rotating shaft (604) through a coupling. The bottom of the rotating shaft (604) is fixedly connected to the semi-circular correction frame (605).
2. The circuit board-based positioning online withstand voltage testing device according to claim 1, characterized in that, The base (1) has four fixed shaft plates (2) at the top corners, and the opposite sides of each pair of corresponding shaft plates (2) are connected to the same transmission roller (7) through bearings. The same conveyor belt (3) is sleeved on the two transmission rollers (7).
3. The circuit board-based positioning online withstand voltage testing device according to claim 2, characterized in that, A transmission motor (9) is fixedly connected to one side of one of the shaft plates (2), and the output shaft of the transmission motor (9) is connected to one of the transmission rollers (7) by a coupling.
4. The circuit board-based positioning online withstand voltage testing device according to claim 3, characterized in that, The two shaft plates (2) located on one side are fixedly connected to the same connecting frame (8) on opposite sides, and the two struts (10) are respectively fixedly connected to the top of the corresponding connecting frame (8).
5. The circuit board-based positioning online withstand voltage testing device according to claim 1, characterized in that, The top of the crossbar (10) is fixedly connected to a support plate (4), and the top of the support plate (4) is fixedly connected to a pressure tester (5). A guide plate (607) is fixedly connected to the side of the mounting plate (601) away from the positioning baffle (602).
6. The circuit board-based positioning online withstand voltage testing device according to claim 5, characterized in that, The crossbar (10) is fixedly connected to two side rods (11) on both sides near the mounting plate (601), and two through holes (12) are symmetrically opened on the baffle (606). The two side rods (11) are fixedly connected to the side facing the through holes (12) with hydraulic cylinders (15), and the output ends of the two hydraulic cylinders (15) are fixedly connected to detection probes (13).
7. The circuit board-based positioning online withstand voltage testing device according to claim 6, characterized in that, The mating baffle (606) is fixedly connected to a propulsion rail (14) on one side below the detection probe (13), and a sliding block (16) is slidably connected inside the propulsion rail (14). The sliding block (16) is fixedly connected to the bottom of the corresponding detection probe (13), and the detection probe (13) is a claw type.