Circuit board inspection device

Abstract

The utility model discloses a circuit board inspection device including a main frame, an ICT detector and probes, a power cylinder is fixedly installed on the main frame, the output end of the power cylinder is fixedly connected with the center of the top surface of the ICT detector, the bottom surface of the ICT detector is connected with a detection plate through bolts, the bottom surface of the detection plate is electrically connected with a plurality of groups of probes, and the detection probes are electrically connected with the power cylinder. And a detection seat is arranged on the bottom side of the detection plate. The pressing wheels are arranged on the two sides of the board groove and used for fixing the two sides of the circuit board, when the circuit board is placed, the circuit board can be directly pressed to enter the bottom sides of the pressing wheels to be fixed, the circuit board can be guided into the board groove in an auxiliary mode through rolling of the pressing wheels, and the circuit board can smoothly enter and exit from the board groove to be disassembled and assembled through swinging of the swing arms. The spring can drive the pinch roller to swing to adjust the position and finally drive the pinch roller to return through the elastic force of the pinch roller when the circuit board enters and exits from the board slot.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board inspection, in particular to a circuit board inspection device. Background Art

[0002] After the circuit board is manufactured, it is generally necessary to undergo corresponding qualification inspection. During batch inspection, the circuit board is placed on the workbench by the vacuum suction cup of the loading mechanism, and then inspected by the camera and probe of the inspection mechanism. After the inspection is completed, the circuit board is placed in the corresponding area according to the inspection structure through the vacuum suction cup of the discharge mechanism.

[0003] However, when inspecting a circuit board, the existing circuit board inspection device needs to make a special tool to fix the circuit board, resulting in low efficiency, poor fixing efficiency, long operation cycle, and inconvenience for rapid inspection. Utility Model Content

[0004] The main purpose of the present invention is to provide a circuit board inspection device, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A circuit board inspection device includes a main frame, an ICT detector and a detection needle. A power cylinder is fixedly installed on the main frame. The output end of the power cylinder is fixedly connected to the center of the top surface of the ICT detector. The bottom surface of the ICT detector is connected to a detection plate by bolts. The bottom surface of the detection plate is electrically connected to several groups of detection needles. A detection seat is provided on the bottom side of the detection plate. A board slot is provided on the detection seat. Two groups of pressure wheels are symmetrically provided on both sides of the board slot.

[0007] Preferably, a swing arm is provided on the outside of the pressure wheel, a rotating groove is provided on one side of the swing arm, the center of the pressure wheel is rotatably provided on the inner wall of the rotating groove through a rotating rod, and one end of the swing arm is rotatably connected to the swing groove provided on the inner wall of the bracket.

[0008] Preferably, the swing arm is arranged obliquely on the outer wall of the bracket, and a spring is fixedly installed on the bottom of the swing arm, and the bottom end of the spring is fixedly connected to the outer wall of the bracket.

[0009] Preferably, two groups of mounting grooves are symmetrically opened on the top surface of the main frame, a cylinder is embedded in the inner wall of the mounting groove, a fixing seat is fixedly installed on the output end of the cylinder, and the fixing seat is connected to the bottom surface of the bracket by bolts.

[0010] Preferably, the outer walls on both sides of the detection seat are provided with fixed bosses, and the fixed bosses are connected to the main frame through locking bolts.

[0011] Compared with the prior art, the utility model has the following beneficial effects: by arranging pressure wheels on both sides of the board slot to fix both sides of the circuit board, when placing the circuit board, the circuit board can be directly pressed to make it enter the bottom side of the pressure wheel for fixation, the rolling of the pressure wheel can assist in guiding the circuit board into the board slot, and the swinging of the swing arm can facilitate the circuit board to smoothly enter and exit the board slot for disassembly and assembly, and the spring provided can drive the pressure wheel to swing for position adjustment during the process of the circuit board entering and exiting the board slot and finally drive it back to its original position through its own elastic force, the pressure of the pressed circuit board can be adjusted by the extension and contraction of the cylinder, and the fixed height can be flexibly adjusted according to circuit boards of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the three-dimensional structure of a circuit board inspection device of the present invention;

[0013] Figure 2 This is a schematic diagram of the exploded structure of a circuit board inspection device of the utility model;

[0014] Figure 3 This is an enlarged schematic diagram of structure A of a circuit board inspection device of the present invention;

[0015] Figure 4 The figure is a schematic diagram of the three-dimensional structure of a circuit board inspection device of the present invention.

[0016] In the figure: 1. Main frame; 2. Detection base; 3. Fixing boss; 4. Locking bolt; 5. Bracket; 6. Swing arm; 7. Pressure wheel; 8. Mounting slot; 9. Cylinder; 10. Fixing base; 11. Rotating rod; 12. Rotating slot; 13. Spring; 14. Power cylinder; 15. ICT detector; 16. Detection needle. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0018] like Figure 1-4As shown, a circuit board inspection device includes a main frame 1, an ICT detector 15 and a detection needle 16. A power cylinder 14 is fixedly installed on the main frame 1, and the output end of the power cylinder 14 is fixedly connected to the center of the top surface of the ICT detector 15. The bottom surface of the ICT detector 15 is connected to a detection plate by bolts. The bottom surface of the detection plate is electrically connected to several groups of detection needles 16. A detection seat 2 is provided on the bottom side of the detection plate, and a plate groove is provided on the detection seat 2. Two groups of pressure wheels 7 are symmetrically provided on both sides of the plate groove. The plate groove is provided on the detection seat 2 for placing the circuit board to be tested, and pressure wheels 7 are provided on both sides thereof for fixing both sides of the circuit board. When placing the circuit board, the circuit board can be directly pressed to make it enter the bottom side of the pressure wheel 7 for fixing. After the circuit board is fixed, the detection seat 2 can be driven downward by the extension and retraction of the power cylinder 14 until the detection needle 16 is aligned with the detection point on the circuit board. The ICT detector 15 can detect problems such as open circuit, short circuit, missing parts, and wrong parts of the PCBA line.

[0019] In this embodiment, a swing arm 6 is provided on the outside of the pressure wheel 7, and a rotating groove 12 is provided on one side of the swing arm 6. The center of the pressure wheel 7 is rotated on the inner wall of the rotating groove 12 through the rotating rod 11, and one end of the swing arm 6 is rotatably connected to the swing groove provided on the inner wall of the bracket 5.

[0020] Specifically, the rolling of the pressing wheel 7 can assist in guiding the circuit board into the board slot, and the swinging of the swing arm 6 can facilitate the circuit board to smoothly enter and exit the board slot for assembly and disassembly.

[0021] In this embodiment, the swing arm 6 is arranged obliquely on the outer wall of the bracket 5 , and a spring 13 is fixedly installed on the bottom of the swing arm 6 , and the bottom end of the spring 13 is fixedly connected to the outer wall of the bracket 5 .

[0022] Specifically, the spring 13 can drive the pressure wheel 7 to swing and adjust its position when the circuit board enters and exits the board slot, and finally drive it back to its original position through its own elastic force.

[0023] In this embodiment, two groups of mounting grooves 8 are symmetrically opened on the top surface of the main frame 1. A cylinder 9 is embedded in the inner wall of the mounting groove 8. A fixing seat 10 is fixedly installed on the output end of the cylinder 9. The fixing seat 10 is connected to the bottom surface of the bracket 5 by bolts.

[0024] Specifically, the pressure of pressing the circuit board can be adjusted by extending and retracting the cylinder 9, and the fixed height can be flexibly adjusted according to circuit boards of different specifications.

[0025] In this embodiment, the outer walls of both sides of the detection base 2 are provided with fixing bosses 3 , and the fixing bosses 3 are connected to the main frame 1 through locking bolts 4 .

[0026] Specifically, the detection base 2 is easily installed and removed through the connection of the locking bolt 4 .

[0027] It should be noted that the utility model is a circuit board inspection device, which provides a board slot on the detection seat 2 for placing the circuit board to be detected, and provides pressure wheels 7 on both sides for fixing the two sides of the circuit board. When placing the circuit board, the circuit board can be directly pressed to make it enter the bottom side of the pressure wheel 7 for fixing. After the circuit board is fixed, the detection seat 2 can be driven downward by the extension and contraction of the power cylinder 14 until the detection needle 16 is aligned with the detection point on the circuit board. The ICT detector 15 can detect problems such as open circuit, short circuit, missing parts, and wrong parts of the PCBA line. The rolling of the pressure wheel 7 can assist in guiding the circuit board into the board slot, and the swinging of the swing arm 6 can facilitate the circuit board to smoothly enter and exit the board slot for disassembly and assembly. The spring 13 can be set to drive the pressure wheel 7 to swing and adjust the position during the process of the circuit board entering and exiting the board slot, and finally drive it back to its original position through its own elastic force. The pressure of the pressed circuit board can be adjusted by the extension and contraction of the cylinder 9, and the fixed height can be flexibly adjusted according to circuit boards of different specifications.

[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A circuit board inspection device, comprising a main frame (1), an ICT detector (15) and a probe (16), characterized in that: A power cylinder (14) is fixedly mounted on the main frame (1), an output end of the power cylinder (14) is fixedly connected to the center of the top surface of the ICT detector (15), a detection plate is connected to the bottom surface of the ICT detector (15) via bolts, the bottom surface of the detection plate is electrically connected to a plurality of groups of detection needles (16), a detection seat (2) is provided on the bottom side of the detection plate, a plate slot is provided on the detection seat (2), and two groups of pressure wheels (7) are symmetrically provided on both sides of the plate slot.

2. A circuit board inspection device according to claim 1, characterized in that: A swing arm (6) is provided on the outside of the pressure wheel (7), and a rotation groove (12) is provided on one side of the swing arm (6). The center of the pressure wheel (7) is rotatably provided on the inner wall of the rotation groove (12) through a rotating rod (11), and one end of the swing arm (6) is rotatably connected to the swing groove provided on the inner wall of the bracket (5).

3. The circuit board inspection device according to claim 2, characterized in that: The swing arm (6) is arranged obliquely on the outer wall of the bracket (5), and a spring (13) is fixedly installed on the bottom of the swing arm (6), and the bottom end of the spring (13) is fixedly connected to the outer wall of the bracket (5).

4. The circuit board inspection device according to claim 2, characterized in that: Two groups of mounting grooves (8) are symmetrically provided on the top surface of the main frame (1), a cylinder (9) is embedded in the inner wall of the mounting groove (8), a fixing seat (10) is fixedly installed on the output end of the cylinder (9), and the fixing seat (10) is connected to the bottom surface of the bracket (5) by bolts.

5. The circuit board inspection device according to claim 1, characterized in that: The outer walls on both sides of the detection seat (2) are both provided with fixed bosses (3), and the fixed bosses (3) are connected to the main frame (1) via locking bolts (4).

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