Packaging detection equipment for circuit board SMT (Surface Mount Technology) processing

Abstract

The utility model discloses a packaging detection device for circuit board SMT processing, which comprises a workbench, the top of the workbench is fixedly connected with a fixing frame, the workbench is internally provided with a conveyor belt for reciprocating conveying, the top of the fixing frame is fixedly connected with a second mechanical arm for taking a circuit board, and the second mechanical arm is fixedly connected with a third mechanical arm for taking the circuit board. The top of the fixing frame is fixedly connected with a detection tool, the upper surface of the conveyor belt is provided with a conveying plate, the upper surface of the workbench is fixedly connected with an L-shaped seat, the upper surface of the L-shaped seat is provided with a placing groove for placing a circuit board, and one side of the L-shaped seat is fixedly connected with two telescopic rods. According to the utility model, the circuit board can be prevented from toppling over, the detection efficiency of the circuit board is improved, the circuit board can be more stably placed in the placement groove, the placement stability of the circuit board is further improved, the abrasion of the circuit board during movement can be reduced, and the placement safety of the circuit board is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board detection, in particular to packaging detection equipment for circuit board SMT processing. Background Art

[0002] A circuit board can be called a printed circuit board or printed circuit board. The circuit board is composed of an integrated circuit, a quartz resonator, a fine-tuning capacitor and a printed circuit board. SMT processing refers to the work of installing and soldering surface mount components on a PCB circuit board. After the processing is completed, the circuit board needs to be packaged.

[0003] After searching, a Chinese patent with authorization announcement number CN218272578U discloses a circuit board packaging detection device. The device effectively improves the speed and effect of packaging detection and reduces labor costs. However, the device simply places the circuit board on the board rack, which makes the circuit board prone to tipping over, affecting the detection work of the device. Summary of the Invention

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a packaging detection device for circuit board SMT processing.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A packaging inspection equipment for SMT processing of circuit boards comprises a workbench, the top of the workbench is fixedly connected to a fixed frame, the workbench is provided with a conveyor belt for reciprocating transportation, the top of the fixed frame is fixedly connected to a second robotic arm for picking up the circuit board, the top of the fixed frame is fixedly connected to an inspection tool, the upper surface of the conveyor belt is provided with a transport plate, the upper surface of the workbench is fixedly connected to an L-shaped seat, the upper surface of the L-shaped seat is provided with a placement slot for placing the circuit board, one side of the L-shaped seat is fixedly connected to two telescopic rods, one end of the telescopic parts of the two telescopic rods passes through the L-shaped seat and is fixedly connected to a push plate for squeezing the circuit board, the outer sides of the telescopic parts of the two telescopic rods are both sleeved with springs, and the two ends of the spring are respectively fixed to the push plate and the L-shaped seat, one side of the L-shaped seat is provided with a limit assembly for auxiliary clamping of the circuit board, and the bottom of the placement slot is provided with a feeding assembly.

[0007] As a further solution of the present invention, the limit assembly includes a avoidance mouth, which is opened on one side of the L-shaped seat. Two sliders are slidably connected in the avoidance mouth, and two blocking rods are fixedly connected to one side of the two sliders. A driving component for moving the two sliders is provided in the avoidance mouth.

[0008] As a further solution of the present invention, the driving component is a bidirectional screw rod, which is rotatably connected in the avoidance mouth. The bidirectional screw rod passes through two sliders and is threadedly connected to the two sliders. A guide component is provided in the avoidance mouth to enable the two sliders to move horizontally.

[0009] As a further solution of the present invention, the guide component is a sliding rod, the sliding rod is fixedly connected in the avoidance opening, and the sliding rod passes through two sliding blocks.

[0010] As a further solution of the present invention, one end of the bidirectional screw rod passes through the L-shaped seat and is fixedly connected to a knob for rotating the bidirectional screw rod.

[0011] As a further solution of the present invention, the feeding assembly includes a avoidance groove, which is opened in the L-shaped seat, and the avoidance groove is located below the placement groove and is connected to the placement groove. Two rotating rollers are rotatably connected in the avoidance groove, and a conveyor belt is wrapped around the two rotating rollers.

[0012] As a further solution of the present invention, a first robotic arm for picking up the inspected circuit board is fixedly connected to the upper surface of the workbench.

[0013] As a further solution of the present invention, a plurality of support frames are fixedly connected to the bottom of the workbench.

[0014] The beneficial effects of the utility model are:

[0015] 1. In the present invention, the circuit board is placed in the placement slot of the L-shaped seat by the coordinated use of the placement slot and the push plate. At this time, the spring will cause the push plate to squeeze and clamp the circuit board, thereby preventing the circuit board from tipping over and improving the efficiency of circuit board detection.

[0016] 2. In the present invention, a limiting component is used to assist in clamping and limiting the two sides of the circuit board, so that the circuit board can be placed more stably in the placement groove, further improving the stability of the circuit board placement.

[0017] 3. In the present invention, through the feeding assembly, after the second robotic arm picks up the circuit board, the push plate will push the circuit board at the rear to move forward, and the conveyor belt will move, thereby reducing the wear of the circuit board during movement and improving the safety of circuit board placement. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of a packaging detection device for SMT processing of circuit boards proposed by the present invention;

[0019] Figure 2This is a partial cross-sectional structural diagram of a packaging and testing device for SMT processing of circuit boards proposed by the present invention;

[0020] Figure 3 This is a partially enlarged structural diagram of a packaging inspection device for SMT processing of circuit boards proposed by the present invention;

[0021] Figure 4 This is a schematic diagram of the enlarged structure of part A of a packaging inspection device for SMT processing of circuit boards proposed by the present invention;

[0022] Figure 5 The utility model provides a schematic cross-sectional view of an L-shaped seat for packaging and testing equipment for SMT processing of circuit boards.

[0023] In the figure: 1. Workbench; 2. Conveyor belt; 3. Fixed frame; 4. First robotic arm; 5. Second robotic arm; 6. Inspection tooling; 7. L-shaped seat; 8. Transport plate; 9. Placement slot; 10. Telescopic rod; 11. Spring; 12. Push plate; 13. Avoidance mouth; 14. Bidirectional screw; 15. Stop rod; 16. Slider; 17. Slide bar; 18. Knob; 19. Avoidance slot; 20. Rotating roller; 21. Conveyor belt. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, other embodiments obtained by ordinary technicians in this field without making creative work are all within the scope of protection of the present invention.

[0025] Reference Figure 1-Figure 5 A packaging inspection device for SMT processing of circuit boards includes a workbench 1, a fixing frame 3 is fixed to the top of the workbench 1 by bolts, a conveyor belt 2 for reciprocating conveyance is provided inside the workbench 1, a second robot arm 5 for picking up circuit boards is fixed to the top of the fixing frame 3 by bolts, a detection tool 6 is fixed to the top of the fixing frame 3 by bolts, and the detection tool 6 is set on a lifting rod on the top of the fixing frame 3, and the free end of the lifting rod is connected to the detection head;

[0026] A conveying plate 8 is provided on the upper surface of the conveyor belt 2, and an L-shaped seat 7 is fixed to the upper surface of the workbench 1 by bolts. A placement groove 9 for placing a circuit board is opened on the upper surface of the L-shaped seat 7. Two telescopic rods 10 are fixed to one side of the L-shaped seat 7 by bolts. One end of the telescopic portion of the two telescopic rods 10 passes through the L-shaped seat 7 and is fixed with a push plate 12 for squeezing the circuit board by bolts. The outer sides of the telescopic portions of the two telescopic rods 10 are sleeved with springs 11, and the two ends of the spring 11 are respectively fixed to the push plate 12 and the L-shaped seat 7. Pressing the push plate 12 to move will squeeze the telescopic rod 10 to contract and squeeze the spring 11, and then place the circuit board on The circuit board is placed in the placement groove 9 on the L-shaped seat 7, and then the push plate 12 is released. At this time, the push plate 12 will squeeze the circuit board under the action of the spring 11, so that the circuit board is stably placed in the placement groove 9, avoiding the circuit board from tipping over, and improving the efficiency of circuit board detection. After the circuit board is placed, the second robotic arm 5 is used to pick up the circuit board in front. After the circuit board in front is taken, the squeezed spring 11 will push the remaining circuit boards forward through the push plate 12, thereby facilitating the removal of the remaining circuit boards. One side of the L-shaped seat 7 is provided with a limit assembly for auxiliary clamping of the circuit board, and a feeding assembly is provided at the bottom of the placement groove 9.

[0027] In the present utility model, the limit assembly includes a avoidance opening 13, which is opened on one side of the L-shaped seat 7. Two sliders 16 are slidably connected in the avoidance opening 13. Two blocking rods 15 are welded on one side of the two sliders 16. A driving component for moving the two sliders 16 is provided in the avoidance opening 13. The driving component is a bidirectional screw rod 14. The bidirectional screw rod 14 is rotatably connected in the avoidance opening 13. The bidirectional screw rod 14 passes through the two sliders 16 and is threadedly connected to the two sliders 16. A guide component for horizontally moving the two sliders 16 is provided in the avoidance opening 13. The guide component is a slide rod 17. The slide rod 17 is welded in the avoidance opening 13, and the slide rod 17 passes through the two sliders 16. One end of the bidirectional screw rod 14 passes through the L-shaped seat 7 and is welded with a knob 18 for rotating the bidirectional screw rod 14. When the bidirectional screw rod 14 is rotated, the bidirectional screw rod 14 engages with the threads between the two sliders 16 to make the two sliders 16 move toward each other along the slide rod 17 in the avoidance opening 13. The two sliders 16 drive the blocking rod 15 to move, so that the blocking rod 15 assists in clamping the circuit board, so that the circuit board is more stably placed in the placement groove 9, further improving the stability of the circuit board placement;

[0028] In particular, the feeding assembly includes a avoidance groove 19, which is opened in the L-shaped seat 7, and the avoidance groove 19 is located below the placement groove 9 and is connected to the placement groove 9. Two rotating rollers 20 are rotatably connected in the avoidance groove 19, and a conveyor belt 21 is wound around the two rotating rollers 20. When the remaining circuit boards move forward, the conveyor belt 21 will move with the cooperation of the rotating rollers 20, thereby reducing the wear of the circuit boards during movement. The upper surface of the workbench 1 is fixed with a first robotic arm 4 for picking up the inspected circuit boards by bolts. After the second robotic arm 5 picks up the circuit boards, it places the circuit boards on the transport plate 8, and then transports the circuit boards on the transport plate 8 by the conveyor belt 2, and inspects the circuit boards by the inspection tooling 6. After the inspection is completed, the circuit boards are removed by the first robotic arm 4, and the bottom of the workbench 1 is fixed with multiple support frames by bolts.

[0029] Working principle: When in use, press the push plate 12 to move, the push plate 12 will squeeze the telescopic rod 10 to contract and squeeze the spring 11, and then place the circuit board in the placement groove 9 on the L-shaped seat 7, and then release the push plate 12. At this time, under the action of the spring 11, the push plate 12 will squeeze the circuit board, so that the circuit board is stably placed in the placement groove 9, avoiding the circuit board from tipping over, improving the efficiency of circuit board detection, and then rotate the bidirectional screw rod 14. The bidirectional screw rod 14 will make the two sliders 16 move toward each other along the slide rod 17 in the avoidance mouth 13 through the threaded engagement between the two sliders 16. The two sliders 16 will drive the blocking rod 15 to move, so that the blocking rod 15 can assist in clamping the circuit board, making the circuit board more The circuit board is stably placed in the placement groove 9, which further improves the stability of the circuit board placement. Then the second robot arm 5 picks up the circuit board in front. After the circuit board in front is taken, the squeezed spring 11 will push the remaining circuit boards forward through the push plate 12, thereby facilitating the taking of the remaining circuit boards. When the remaining circuit boards move forward, the conveyor belt 21 will move with the cooperation of the rotating roller 20, thereby reducing the wear of the circuit boards during movement. After the second robot arm 5 picks up the circuit board, it places the circuit board on the transport plate 8, and then transports the circuit board on the transport plate 8 through the conveyor belt 2, and inspects the circuit board through the inspection tooling 6. After the inspection is completed, the circuit board is removed by the first robot arm 4.

[0030] Furthermore, the terms "installed," "disposed," "connected," and "socketed" should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integral structures; mechanical connections or electrical connections; direct connections, indirect connections through an intermediary, or internal communication between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

Claims

1. A packaging inspection device for SMT processing of circuit boards, comprising a workbench (1), characterized in that: The top of the workbench (1) is fixedly connected to a fixed frame (3), a conveyor belt (2) for reciprocating conveying is provided in the workbench (1), a second mechanical arm (5) for picking up the circuit board is fixedly connected to the top of the fixed frame (3), a detection tool (6) is fixedly connected to the top of the fixed frame (3), a conveying plate (8) is provided on the upper surface of the conveyor belt (2), an L-shaped seat (7) is fixedly connected to the upper surface of the workbench (1), and a placement groove (9) for placing the circuit board is provided on the upper surface of the L-shaped seat (7). One side of the L-shaped seat (7) is fixedly connected to two telescopic rods (10), one end of the telescopic portion of the two telescopic rods (10) passes through the L-shaped seat (7) and is fixedly connected to a push plate (12) for squeezing the circuit board, the outer sides of the telescopic portions of the two telescopic rods (10) are sleeved with springs (11), and the two ends of the spring (11) are respectively fixed to the push plate (12) and the L-shaped seat (7), one side of the L-shaped seat (7) is provided with a limit assembly for auxiliary clamping of the circuit board, and the bottom of the placement slot (9) is provided with a feeding assembly.

2. The packaging and testing equipment for circuit board SMT processing according to claim 1, characterized in that: The limiting assembly includes a position-avoiding opening (13), the position-avoiding opening (13) is opened on one side of the L-shaped seat (7), two sliders (16) are slidably connected in the position-avoiding opening (13), one side of each of the two sliders (16) is fixedly connected to two blocking rods (15), and a driving component for moving the two sliders (16) is provided in the position-avoiding opening (13).

3. The packaging and testing equipment for circuit board SMT processing according to claim 2, characterized in that: The driving component is a bidirectional screw rod (14), which is rotatably connected in the avoidance opening (13). The bidirectional screw rod (14) passes through two sliders (16) and is threadedly connected to the two sliders (16). A guide component for enabling the two sliders (16) to move horizontally is provided in the avoidance opening (13).

4. The packaging and testing equipment for circuit board SMT processing according to claim 3, characterized in that: The guide component is a slide rod (17), the slide rod (17) is fixedly connected in the avoidance opening (13), and the slide rod (17) passes through two sliders (16).

5. The packaging and testing equipment for circuit board SMT processing according to claim 4, characterized in that: One end of the bidirectional screw rod (14) passes through the L-shaped seat (7) and is fixedly connected to a knob (18) for rotating the bidirectional screw rod (14).

6. The packaging and testing equipment for circuit board SMT processing according to claim 1, characterized in that: The feeding assembly includes a avoidance groove (19), the avoidance groove (19) is opened in the L-shaped seat (7), and the avoidance groove (19) is located below the placement groove (9) and is connected to the placement groove (9), two rotating rollers (20) are rotatably connected in the avoidance groove (19), and a conveyor belt (21) is wound between the two rotating rollers (20).

7. The packaging and testing equipment for circuit board SMT processing according to claim 1, characterized in that: A first mechanical arm (4) for picking up the inspected circuit board is fixedly connected to the upper surface of the workbench (1).

8. The packaging and testing equipment for circuit board SMT processing according to claim 7, characterized in that: A plurality of support frames are fixedly connected to the bottom of the workbench (1).

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