SMT patch quality detection device

Abstract

The utility model relates to the technical field of detection devices, in particular to an SMT patch quality detection device which comprises a base, two strip-shaped mounting plates are symmetrically installed at the top of the base, a plurality of supporting rollers are symmetrically installed between the two strip-shaped mounting plates, the supporting rollers located at the same end are connected through a plurality of conveying belts, and the conveying belts are connected with the supporting rollers. And first driving motors are installed at one ends of the two supporting rollers located at the two ends of the strip-shaped mounting plates, the first driving motors are fixed to the side faces of the strip-shaped mounting plates, a rotating roller is further rotationally connected between the two strip-shaped mounting plates, and the rotating roller is located between the two conveying belts. The second driving motor can drive the rotating roller to rotate, so that the circuit board conveyed by the conveying belt can rotate to the other conveying belt along with the rotating roller after moving to the position between the strip-shaped limiting blocks and is turned over, the two faces of the circuit board can be detected, detection is convenient, and the use effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field especially relates to a kind of SMT patch quality detection device. BACKGROUND

[0002] SMT patch refers to the series of technological processes on the basis of PCB, PCB is printed circuit board, SMT is surface mount technology, it is the most popular technology and process in electronic assembly industry, and currently needs to detect the quality of SMT patch in SMT patch processing.

[0003] The existing detection device generally conveys circuit board to the detection mechanism below by conveying mechanism and detects it.But, since there is no turnover mechanism, only one side of the circuit board can be detected during detection, and the other side of the circuit board can be detected only after the staff manually turns it over after detection is completed, so the use effect is poor, and since the surface of the circuit board is not cleaned during detection, dust and other impurities adhered to the surface of the circuit board will hinder the detection structure, so the use effect is poor.Therefore, we propose a kind of SMT patch quality detection device. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the above-mentioned shortcomings in the prior art and proposes a kind of SMT patch quality detection device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of SMT patch quality detection device is designed, including base, the top of base is symmetrically equipped with two strip-shaped mounting plates, a plurality of support rollers are symmetrically installed between two strip-shaped mounting plates, the support rollers located at the same end are connected by a plurality of conveying belts, and the ends of the two support rollers located at the two ends of strip-shaped mounting plate are both equipped with first drive motor, and first drive motor is fixed on the side surface of strip-shaped mounting plate;

[0006] Two strip-shaped mounting plates are also rotatably connected with rotating roller, rotating roller is located between two groups of conveying belts, and one end of rotating roller is connected with second drive motor, and second drive motor is fixed on the side surface of strip-shaped mounting plate, and angle sensor is installed on the other end of rotating roller;

[0007] Rotating roller is equipped with a plurality of groups of strip-shaped limit plates, and accommodating groove is formed between each group of strip-shaped limit plates, and circuit board is located in the accommodating groove, and through groove is opened in the top of base, and one end of strip-shaped limit plate penetrates through through groove, and pressure sensor is arranged between each group of strip-shaped limit plates, and pressure sensor is fixed on the side surface of rotating roller;

[0008] The top of the base is provided with a U-shaped frame at each end, the inside of each U-shaped frame is provided with a moving plate, the top of the moving plate is connected with the corresponding U-shaped frame through a telescopic mechanism, and a detection camera is installed at the bottom of the moving plate and located above the conveying belt;

[0009] A gas conveying pump is installed at one side of the top of each U-shaped frame, a gas conveying pipe is connected to the gas outlet end of the gas conveying pump, the other end of the gas conveying pipe penetrates through the U-shaped frame and the moving plate, the end of the gas conveying pipe is connected with a shunt pipe, the shunt pipe is fixed at the bottom of the moving plate, and a plurality of jet heads are installed at the bottom of the shunt pipe.

[0010] Preferably, one end of each strip-shaped limiting plate is provided with a guide plate, the guide plate is curved, and the opposite two guide plates are symmetrically arranged.

[0011] Preferably, each group of strip-shaped limiting plates and the conveying belt are staggered, and there is a gap between them.

[0012] Preferably, the proximal surface of the two strip-shaped mounting plates is provided with a support rail, the top of the support rail is flush with the top of the conveying belt, and the bottom of each moving plate is provided with a plurality of strip-shaped connecting plates, one side of each strip-shaped connecting plate is rotatably connected with a pressing wheel, and the bottom of the pressing wheel is in contact with the edge of the circuit board.

[0013] Preferably, the top edge of each moving plate is provided with a plurality of guide rods, and the top of each guide rod penetrates through the corresponding U-shaped frame.

[0014] Preferably, the distance between each group of strip-shaped limiting plates is greater than the thickness of the circuit board.

[0015] Preferably, the bottom of the base is provided with a control cabinet, and the controller in the control cabinet is connected with the first driving motor, the telescopic mechanism, the detection camera, the second driving motor, the angle sensor and the gas conveying pump through wires.

[0016] Preferably, the bottom edge of the base is provided with a plurality of supporting legs.

[0017] The design scheme of the utility model has the advantages that in the application process,

[0018] The second driving motor can drive the rotating roller to rotate, so that the circuit board conveyed by the conveying belt can be rotated to another conveying belt after moving between the strip-shaped limiting blocks and turned over, thereby detecting both sides of the circuit board, facilitating detection and improving use effect.

[0019] The gas conveying pump can convey external air into the shunt pipe through the gas conveying pipe, and then spray it to the surface of the circuit board through the jet head, so that the dust and impurities on the surface of the circuit board are cleaned, which does not hinder the detection result and improves the use effect.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structural schematic diagram of the utility model;

[0021] Figure 2 It is the structural schematic diagram of the utility model's gas delivery pump and shunt pipe structure;

[0022] Figure 3 It is the structural schematic diagram of the utility model's moving plate structure;

[0023] Figure 4 It is the structural front view of the utility model.

[0024] In the drawing: 1, base; 2, first drive motor; 3, strip mounting plate; 4, support rail; 5, conveying belt; 6, U-shaped frame; 7, moving plate; 8, guide rod; 9, telescopic mechanism; 10, gas delivery pipe; 11, gas delivery pump; 12, strip limiting plate; 13, rotating roller; 14, second drive motor; 15, guide plate; 16, compression wheel; 17, strip connecting plate; 18, support roller; 19, angle sensor; 20, through slot; 21, control cabinet; 22, support leg; 23, shunt pipe; 24, air jet head; 25, detection camera; 26, pressure sensor. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] Referring to Figures 1-4 A kind of SMT patch quality detection device, including base 1, control cabinet 21 is installed in the bottom of base 1, controller is arranged in the inside of control cabinet 21 of the bottom of base 1, and controller is one of control mainboard or PLC logic controller.

[0027] As Figure 1 And Figure 4 As shown in the drawing, the top of base 1 is symmetrically provided with two strip mounting plates 3, a plurality of support rollers 18 are symmetrically arranged between the two strip mounting plates 3, the support rollers 18 located at the same end are connected by a plurality of conveying belts 5, and the two support rollers 18 located at the two ends of the strip mounting plate 3 are each provided with a first drive motor 2 at one end, the first drive motor 2 is fixed on the side surface of the strip mounting plate 3, and the first drive motor 2 is connected to the controller by wires. In actual use, the worker can place the circuit board on the conveying belt 5, and then drive the conveying belt 5 to move by the first drive motor 2 to convey the circuit board.

[0028] As Figure 1As shown, the two strip-shaped mounting plates 3 are also rotatably connected with a rotating roller 13, the rotating roller 13 is located between the two groups of conveying belts 5, one end of the rotating roller 13 is connected with a second driving motor 14, the second driving motor 14 is fixed on the side of the strip-shaped mounting plate 3, and the other end of the rotating roller 13 is provided with an angle sensor 19, the second driving motor 14 and the angle sensor 19 are both connected with the controller through wires, in actual use, the second driving motor 14 can drive the rotating roller 13 to rotate, and the angle sensor 19 can detect the rotating angle of the rotating roller 13 and transmit the detection data to the controller, and the controller can control the second driving motor 14 to rotate the rotating roller 13 to the preset angle.

[0029] As shown in Figure 1 and Figure 4 , a plurality of groups of strip-shaped limiting plates 12 are installed on the side of the rotating roller 13, the distance between each group of strip-shaped limiting plates 12 is greater than the thickness of the circuit board, and a containing groove is formed between each group of strip-shaped limiting plates 12, and the circuit board is located in the containing groove. A through groove 20 is formed in the top of the base 1, one end of the strip-shaped limiting plate 12 penetrates the through groove 20, and a pressure sensor 26 is arranged between each group of strip-shaped limiting plates 12, the pressure sensor 26 is fixed on the side of the rotating roller 13, and the pressure sensor 26 is connected with the controller through wires, in actual use, the circuit board conveyed by the conveying belt 5 will move between the strip-shaped limiting plates 12, then the second driving motor 14 will drive the rotating roller 13 to rotate, so that the strip-shaped limiting plate 12 drives the circuit board to rotate with the rotating roller 13, so that when the circuit board is rotated to the other end of the conveying belt 5, the turning over can be completed.

[0030] It should be noted that, as shown in Figure 1 , one end of each strip-shaped limiting plate 12 is provided with a guide plate 15, the guide plate 15 is curvedly arranged, and the opposite two guide plates 15 are symmetrically arranged, so that the end of each group of strip-shaped limiting plates 12 forms a horn shape under the action of the guide plate 15, and the circuit board will not be stuck when moving between the strip-shaped limiting plates 12.

[0031] As shown in Figure 3 and Figure 4 , a U-shaped frame 6 is installed at both ends of the top of the base 1, a moving plate 7 is arranged in each U-shaped frame 6, the top of the moving plate 7 is connected with the corresponding U-shaped frame 6 through a telescopic mechanism 9, a detection camera 25 is installed at the bottom of the moving plate 7, and the detection camera 25 is located above the conveying belt 5. The telescopic mechanism 9 is one of an electric push rod, an air cylinder or a hydraulic rod, and the telescopic mechanism 9 and the detection camera 25 are connected with the controller through wires, in actual use, the detection camera 25 can be adjusted to a preset height through the telescopic mechanism 9, so that when the circuit board on the conveying belt 5 moves below the detection camera 25, the detection camera 25 can detect the circuit board.

[0032] As shown in Figure 2 and Figure 4 , the top side of each U-shaped frame 6 is provided with a gas conveying pump 11, the gas outlet of the gas conveying pump 11 is connected with a gas conveying pipe 10, the other end of the gas conveying pipe 10 penetrates the U-shaped frame 6 and the moving plate 7, and the end of the gas conveying pipe 10 is connected with a shunt pipe 23, the shunt pipe 23 is fixed at the bottom of the moving plate 7, the bottom of the shunt pipe 23 is provided with a plurality of air jets 24, and the gas conveying pump 11 is connected with a controller through wires. In actual use, external air can be conveyed into the shunt pipe 23 through the gas conveying pipe 10 by the gas conveying pump 11, and then blown to the circuit board on the conveying belt 5 by the air jets 24, so that the dust and other impurities adhered to the circuit board are cleaned, and the detection is not hindered.

[0033] As shown in Figure 3 and Figure 4 , the proximal faces of the two strip-shaped mounting plates 3 are provided with support rails 4, the top of the support rail 4 is flush with the top of the conveying belt 5, and the bottom of each moving plate 7 is provided with a plurality of strip-shaped connecting plates 17 on both sides, one side of each strip-shaped connecting plate 17 is rotatably connected with a press wheel 16, and the bottom of the press wheel 16 is in contact with the edge of the circuit board. In actual use, when the circuit board moves to the position below the detection camera 25, the press wheel 16 cooperates with the support rail 4 to press the edge of the circuit board, so that the air blown by the air jets 24 cannot blow the circuit board.

[0034] Specifically, in use, the staff places the circuit board to be detected on the conveying belt 5, and then controls the first driving motor 2 to work through the controller, the first driving motor 2 conveys the circuit board to below the U-shaped frame 6, at the same time of conveying, the controller controls the telescopic mechanism 9 to extend, so that the moving plate 7 moves downwards, the moving plate 7 is moved to the preset height, after the circuit board moves to below the U-shaped frame 6, the bottom of the compression wheel 16 is pressed on the edge of the circuit board, then the controller controls the air conveying pump 11 to work, the air conveying pump 11 conveys the external air into the shunt pipe 23 through the air conveying pipe 10, finally the circuit board surface is blown by the air jet head 24, the dust and other impurities on the circuit board surface are cleaned, then the circuit board moves between the strip limiting plates 12 under the action of the conveying belt 5, and the circuit board abuts against the pressure sensor 26, the pressure sensor 26 detects the pressure signal and transmits the signal to the controller, the controller controls the second driving motor 14 to work, the second driving motor 14 drives the rotating roller 13 to rotate, and the rotating angle of the rotating roller 13 is detected through the angle sensor 19, when the preset rotating angle is reached, the controller closes the second driving motor 14, the other side of the circuit board is contacted with the other conveying belt 5, under the action of the conveying belt 5, the circuit board can be conveyed to below the other U-shaped frame 6, the other side of the circuit board is detected through the detection camera 25, and detection is convenient.

[0035] Further, as shown in Figure 1 Each strip limiting plate 12 and the conveying belt 5 are staggered and spaced apart, so that the strip limiting plate 12 does not collide with the conveying belt 5 when rotating with the rotating roller 13, and the conveying belt 5 can convey the circuit board between the strip limiting plates 12.

[0036] Further, as shown in Figure 1 The top edge of each moving plate 7 is provided with a plurality of guide rods 8, the top of each guide rod 8 is slidably penetrated through the corresponding U-shaped frame 6, and the guide rod 8 can limit the moving plate 7, so that the moving plate 7 remains stable.

[0037] Further, the bottom edge of the base 1 is provided with a plurality of supporting legs 22, the supporting leg 22 can support the base 1, so that the base 1 remains stable.

[0038] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An SMT patch quality detection device, comprising a base (1), characterized in that: The top of the base (1) is symmetrically provided with two strip-shaped mounting plates (3), a plurality of supporting rollers (18) are symmetrically mounted between the two strip-shaped mounting plates (3), the supporting rollers (18) at the same end are connected through a plurality of conveying belts (5), and the ends of the two supporting rollers (18) at the two ends of the strip-shaped mounting plate (3) are provided with first driving motors (2), and the first driving motors (2) are fixed on the side surface of the strip-shaped mounting plate (3); The two strip-shaped mounting plates (3) are also rotatably connected with a rotating roller (13), the rotating roller (13) is located between the two groups of conveying belts (5), one end of the rotating roller (13) is connected with a second driving motor (14), the second driving motor (14) is fixed on the side surface of the strip-shaped mounting plate (3), and an angle sensor (19) is mounted at the other end of the rotating roller (13); A plurality of groups of strip-shaped limiting plates (12) are mounted on the side surface of the rotating roller (13), each group of strip-shaped limiting plates (12) forms an accommodating groove, and the circuit board is located in the accommodating groove, a through groove (20) is formed in the top of the base (1), one end of the strip-shaped limiting plate (12) penetrates through the through groove (20), and a pressure sensor (26) is arranged between each group of strip-shaped limiting plates (12), and the pressure sensor (26) is fixed on the side surface of the rotating roller (13); A U-shaped frame (6) is mounted at the top of the base (1), a moving plate (7) is arranged in the U-shaped frame (6), the top of the moving plate (7) is connected with the corresponding U-shaped frame (6) through an elastic mechanism (9), and a detection camera (25) is mounted at the bottom of the moving plate (7); A gas conveying pump (11) is mounted on one side of the top of each U-shaped frame (6), a gas conveying pipe (10) is connected to the gas outlet end of the gas conveying pump (11), the other end of the gas conveying pipe (10) penetrates through the U-shaped frame (6) and the moving plate (7), and the end of the gas conveying pipe (10) is connected with a shunt pipe (23), the shunt pipe (23) is fixed at the bottom of the moving plate (7), and a plurality of jet heads (24) are mounted at the bottom of the shunt pipe (23).

2. The SMT patch quality detection device according to claim 1, characterized in that: One end of each strip-shaped limiting plate (12) is provided with a guide plate (15), the guide plate (15) is arranged in a curved manner, and the two guide plates (15) are symmetrically arranged.

3. The SMT patch quality detection device according to claim 1, characterized in that: Each group of strip-shaped limiting plates (12) and the conveying belt (5) are arranged alternately, and there is a gap between them.

4. The SMT patch quality detection device according to claim 1, characterized in that: The proximal surfaces of the two strip-shaped mounting plates (3) are provided with supporting rails (4), the top of the supporting rail (4) is flush with the top of the conveying belt (5), and a plurality of strip-shaped connecting plates (17) are mounted on the bottom of each moving plate (7), one side of each strip-shaped connecting plate (17) is rotatably connected with a pressing roller (16), and the bottom of the pressing roller (16) is in contact with the edge of the circuit board.

5. The SMT patch quality detection device according to claim 4, characterized in that: A plurality of guide rods (8) are mounted on the top edge of each moving plate (7), and the top of each guide rod (8) slidably penetrates through the corresponding U-shaped frame (6).

6. The SMT patch quality detection device according to claim 1, characterized in that: The distance between each group of strip-shaped limiting plates (12) is greater than the thickness of the circuit board.

7. The SMT patch quality detection device according to claim 1, characterized in that: A control cabinet (21) is mounted on the bottom of the base (1), and a controller in the control cabinet (21) is connected with the first driving motor (2), the telescopic mechanism (9), the detection camera (25), the second driving motor (14), the angle sensor (19) and the gas conveying pump (11) through wires.

8. The SMT patch quality detection device according to claim 1, characterized in that: A plurality of supporting legs (22) are mounted on the bottom edge of the base (1).

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