Circuit board fixing tool for circuit board test

Abstract

The utility model relates to the technical field of circuit board clamps, in particular to a circuit board fixing tool for circuit board testing, which comprises a base, a jig mounting groove used for clamping a circuit board bearing jig is arranged at the upper end of the base, a liftable circuit board clamping plate module is arranged above the jig mounting groove, and the circuit board clamping plate module comprises a clamping plate. A plurality of pressing rod holes are formed in the clamping plate, and pressing rods are detachably mounted on the pressing rod holes; according to the circuit board fixing tool, the jig mounting groove is formed in the upper end of the base, so that a circuit board bearing jig can be conveniently disassembled and assembled in the jig mounting groove to adapt to the shapes of different circuit boards, pressing rods can be conveniently disassembled and assembled through the multiple pressing rod holes in the clamping plate, corresponding pressing rods are installed for the circuit boards of different shapes, and the working efficiency is improved. When the clamping plate is pressed downwards, the circuit board bearing jig can better adapt to circuit boards in different shapes, the whole equipment does not need to be customized or equipped, only the corresponding circuit board bearing jig needs to be equipped, and the equipment cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board fixtures, in particular to a circuit board fixing fixture used for circuit board testing. Background Art

[0002] Circuit boards, also known as printed circuit boards or printed circuit boards, are mainly divided into two types: PCB circuit boards and FPC circuit boards. Existing flexible circuit board testing processes usually involve manually loading flexible circuit boards onto a test bench for testing. For example, Chinese patent document CN216899350U discloses a temperature detection fixture for photovoltaic module circuit boards. This fixture presses down the circuit board in the test area, bringing the circuit board into contact with relevant sensors, thereby completing the circuit board test.

[0003] However, the shape of the test area in the detection tooling of the prior art is usually matched with the shape of the circuit board, and the position of the relevant sensors is also fixed at the relevant position. As a result, for testing circuits of different types or shapes, the positions of the test contact pins are also different. Therefore, it is necessary to equip or customize a corresponding fixed tooling test bench for each circuit board to adapt to the testing of different circuit boards, thereby increasing equipment costs. Utility Model Content

[0004] In order to overcome the defects of the prior art, the utility model provides a circuit board fixing tool for circuit board testing, aiming to solve the problems in the above-mentioned prior art.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a circuit board fixing tool for circuit board testing, including a base, a fixture mounting groove for clamping a circuit board carrying fixture is provided at the upper end of the base, a liftable circuit board clamping plate module is provided above the fixture mounting groove, the circuit board clamping plate module includes a clamping plate, a plurality of pressure rod holes are provided on the clamping plate, and pressure rods are detachably mounted on the pressure rod holes.

[0006] In the above-mentioned circuit board fixing tool for circuit board testing, the inner wall of the fixture mounting groove is provided with a mounting ring, and the lower end of the circuit board supporting fixture is provided with a protrusion so that the protrusion is embedded in the fixture mounting groove and the lower end surface edge of the circuit board supporting fixture is placed on the mounting ring.

[0007] In the above-mentioned circuit board fixing tool for circuit board testing, a gantry is provided on the upper end of one side of the base, a quick clamp is installed on the gantry, a connecting plate is installed on the upper end of the clamp through a connecting rod, and the quick clamp is connected to the connecting plate.

[0008] In the above-mentioned circuit board fixing fixture for circuit board testing, the upper end of the pressing rod is threadedly connected with a mounting screw, and the mounting screw is passed through the pressing rod hole and connected to the pressing rod.

[0009] In the above-mentioned circuit board fixing tool for circuit board testing, multiple guide holes are opened on the side of the splint close to the gantry, and guide rods are passed through the multiple guide holes. The upper end of the guide rod is connected to the gantry, and the lower end is connected to the base.

[0010] In the above-mentioned circuit board fixing fixture for circuit board testing, the pressing rod is made of silicone material.

[0011] In the above-mentioned circuit board fixing fixture for circuit board testing, a digital display screen is installed on the gantry.

[0012] In the above-mentioned circuit board fixing fixture for circuit board testing, a contact test pin is provided in the circuit board supporting fixture, a connection socket is provided on the convex seat, and the digital display is connected to the contact test pin wire via the connection socket.

[0013] The beneficial effect of the present invention is that by arranging a fixture installation groove at the upper end of the base, the circuit board carrying fixture can be conveniently disassembled and assembled in the fixture installation groove, so as to adapt to the shapes of different circuit boards, and the multiple pressure rod holes on the clamping plate can facilitate the disassembly and assembly of the pressure rods, and corresponding pressure rods can be installed for circuit boards of different shapes. When the clamping plate is pressed down, it can better adapt to the shapes of circuit boards of different shapes. There is no need to customize or equip the entire equipment, and only the corresponding circuit board carrying fixture needs to be equipped, thereby reducing equipment costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is one of the three-dimensional structural schematic diagrams of the circuit board fixing tool of the present invention.

[0015] Figure 2 This is the second three-dimensional structural diagram of the circuit board fixing tool of the present invention.

[0016] Figure 3 Schematic diagram of the three-dimensional structure of the base and circuit board supporting fixture.

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the circuit board splint module.

[0018] In the figure: base 1, gantry 2, circuit board supporting fixture 3, quick clamp 4, circuit board clamp module 5, guide rod 6, digital display 7, fixture mounting slot 8, clamp 9, pressure rod hole 10, pressure rod 11, mounting screw 12, connecting plate 13, connecting rod 14, guide hole 15, boss 16, contact test pin 17, connecting socket 18. DETAILED DESCRIPTION

[0019] The following further describes specific embodiments of the present invention in conjunction with the accompanying drawings. It should be noted that the descriptions of these embodiments are intended to aid understanding of the present invention and do not constitute limitations on the present invention. Furthermore, the technical features involved in the various embodiments of the present invention described below may be combined with one another as long as they do not conflict with one another.

[0020] Combine Figures 1 to 4 The circuit board fixing fixture shown in the figure for circuit board testing includes a base 1, a fixture mounting groove 8 for clamping the circuit board carrying fixture 3 is provided at the upper end of the base 1, and a liftable circuit board clamping plate module 5 is provided above the fixture mounting groove 8, and the circuit board clamping plate module 5 includes a clamping plate 9, and a plurality of pressure rod holes 10 are provided on the clamping plate 9, and a pressure rod 11 is detachably installed on the pressure rod hole 10; this embodiment provides a fixture mounting groove 8 at the upper end of the base 1, so that the circuit board carrying fixture 3 can be conveniently disassembled and assembled in the fixture mounting groove 8, thereby adapting to the shapes of different circuit boards, and the plurality of pressure rod holes 10 on the clamping plate 9 can facilitate the disassembly and assembly of the pressure rod 11, and corresponding pressure rods 11 are installed for circuit boards of different shapes. When the clamping plate 9 is pressed down, it can better adapt to the shapes of circuit boards of different shapes. There is no need to customize or equip the entire equipment, and only the corresponding circuit board carrying fixture 3 needs to be equipped, thereby reducing the equipment cost.

[0021] In this embodiment, the inner wall of the jig mounting groove 8 is provided with a mounting ring, and the lower end of the circuit board supporting jig 3 is provided with a boss 16, so that the boss 16 is embedded in the jig mounting groove 8, and the lower end surface edge of the circuit board supporting jig 3 is placed on the mounting ring; thereby, the circuit board supporting jig 3 is conveniently installed in the base 1 for use. When removing or replacing, it is only necessary to lift the circuit board supporting jig 3, which is easy to operate.

[0022] A gantry 2 is provided at the upper end of one side of the base 1 of this embodiment, and a quick clamp 4 is installed on the gantry 2. A connecting plate 13 is installed on the upper end of the splint 9 through a connecting rod 14, and the quick clamp 4 is connected to the connecting plate 13; the splint 9 is driven to rise and fall by the quick clamp 4, so that the circuit board placed on the circuit board supporting fixture 3 is pressed down by the splint 9 for testing.

[0023] The upper end of the pressure rod 11 of this embodiment is threadedly connected to a mounting screw 12, which is inserted into the pressure rod hole 10 and connected to the pressure rod 11; this allows the pressure rod 11 to be installed according to the shape and size of the circuit board, and both installation and removal can be operated only by the mounting screw 12, which is convenient to operate. It is worth noting that the pressure rod 11 of this embodiment is made of silicone to prevent the pressure rod 11 from scratching the circuit board.

[0024] In this embodiment, a plurality of guide holes 15 are provided on the side of the splint 9 close to the gantry 2, and a guide rod 6 is passed through the plurality of guide holes 15. The upper end of the guide rod 6 is connected to the gantry 2, and the lower end is connected to the base 1; through the cooperation of the guide holes 15 and the guide rod 6, the splint 9 is more stable during the lifting process.

[0025] A digital display screen 7 is installed on the gantry 2 of this embodiment for displaying test data. A contact test pin 17 for testing the circuit board is provided in the circuit board carrier jig 3, and a connecting socket 18 is provided on the protrusion 16. The digital display screen 7 is connected to the contact test pin 17 through the connecting socket 18. The base 1 is hollow and is provided with a male plug inside. The digital display screen 7 is connected to the digital display screen 7 through a wire. The connecting socket 18 uses a female plug. Before installing the corresponding circuit board carrier jig 3, the male plug and the female plug can be connected first, and then the circuit board carrier jig 3 can be placed. The circuit board is placed on the circuit board carrier jig 3, and the clamping plate 9 is pressed down to make the pressure rod 11 press the circuit board, so that the circuit board is pressed down and contacts the contact test pin 17, thereby completing the test.

[0026] Among them, the circuit board supporting fixture 3 includes an upper plate and a lower plate. The upper plate is provided with a circuit board placement hole, which is a test area. The four corners of the upper plate are connected to the lower plate through guide pillars. A spring is sleeved on the guide pillar so that the upper plate can move downward under pressure. The lower plate is connected to the boss 16, and the contact test needle 17 is located in the boss 16.

[0027] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It is apparent to those skilled in the art that various changes, modifications, substitutions, and variations to these embodiments may be made without departing from the principles and spirit of the present invention, and these changes and modifications still fall within the scope of protection of the present invention.

Claims

1. A circuit board fixing fixture for circuit board testing, characterized in that: The invention comprises a base (1), wherein the upper end of the base (1) is provided with a fixture installation groove (8) for clamping a circuit board supporting fixture (3), a circuit board clamping plate module (5) that can be lifted and lowered is provided above the fixture installation groove (8), and the circuit board clamping plate module (5) comprises a clamping plate (9), wherein the clamping plate (9) is provided with a plurality of pressure rod holes (10), and pressure rods (11) are detachably mounted on the pressure rod holes (10).

2. The circuit board fixing fixture for circuit board testing according to claim 1, characterized in that: The inner wall of the jig installation groove (8) is provided with a mounting ring, and the lower end of the circuit board supporting jig (3) is provided with a convex seat (16), so that the convex seat (16) is embedded in the jig installation groove (8) and the lower end surface edge of the circuit board supporting jig (3) is placed on the mounting ring.

3. The circuit board fixing fixture for circuit board testing according to claim 2, characterized in that: A gantry (2) is provided at the upper end of one side of the base (1), a quick clamp (4) is installed on the gantry (2), a connecting plate (13) is mounted on the upper end of the clamping plate (9) via a connecting rod (14), and the quick clamp (4) is connected to the connecting plate (13).

4. The circuit board fixing fixture for circuit board testing according to claim 3, characterized in that: The upper end of the pressing rod (11) is threadedly connected to a mounting screw (12), and the mounting screw (12) is inserted into the pressing rod hole (10) and connected to the pressing rod (11).

5. The circuit board fixing fixture for circuit board testing according to claim 3, characterized in that: A plurality of guide holes (15) are provided on one side of the splint (9) close to the gantry (2), and guide rods (6) are passed through the plurality of guide holes (15). The upper ends of the guide rods (6) are connected to the gantry (2), and the lower ends are connected to the base (1).

6. The circuit board fixing fixture for circuit board testing according to claim 1, characterized in that: The pressing rod (11) is made of silicone material.

7. The circuit board fixing fixture for circuit board testing according to claim 3, characterized in that: A digital display screen (7) is installed on the gantry (2).

8. The circuit board fixing fixture for circuit board testing according to claim 7, characterized in that: A contact test needle (17) is provided in the circuit board supporting fixture (3), a connection socket (18) is provided on the convex seat (16), and the digital display screen (7) is connected to the contact test needle (17) through a wire via the connection socket (18).

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