PCBA detection device

Abstract

The utility model discloses a PCBA (Printed Circuit Board Assembly) detection device which comprises a base station, a conveying part arranged on the base station, a feeding and discharging part, a clamping part and a detection part positioned at the side part of the clamping part, the clamping part comprises a clamping frame which is mounted on the base station; the two sets of clamping pieces are arranged and located at the two ends of the clamping frame correspondingly, and a clamping linear motion mechanism is arranged between any set of clamping pieces and the clamping frame; each group of clamping pieces comprises a rotating motor and a clamping head connected with the output end of the rotating motor; a notch is formed in the clamping head, clamping plates are symmetrically arranged in the notch, a plurality of grooves are formed in the clamping plates, and elastic buckles with preset radians are arranged in the grooves. According to the utility model, the PCBA is fixed by designing the clamping part, the PCBA is fixed by the elastic buckle, and the rotating motor drives the clamping head to rotate to complete the overturning work, so that the detection part completes the comprehensive detection work of the PCBA in the overturning process.

Description

Technical Field

[0001] The utility model relates to the field of detection, in particular to a PCBA detection device. Background Art

[0002] Visual inspection is the use of machines to replace human eyes for measurement and judgment.

[0003] Vision sensors are used to identify the condition of items, which is a valuable mechanism for production, assembly or packaging.

[0004] Its ability to detect defects and prevent defective products from being shipped to consumers is invaluable.

[0005] After the PCBA is produced, it needs to be inspected for easy sales to prevent damaged PCBAs from entering the market. The traditional inspection method is to clamp the PCBA with a fixture and use a visual sensor to complete the inspection of the PCBA. This inspection method has two problems:

[0006] First, when the fixture is clamped, the clamp arm is usually driven by a cylinder or a motor to clamp the PCBA, which has a large force and is easy to damage the PCBA.

[0007] Secondly, the traditional method does not flip the PCBA after it is clamped, and the visual sensor can only detect one side, which is not comprehensive. Utility Model Content

[0008] Purpose of the utility model: to provide a PCBA detection device to solve the above problems existing in the prior art.

[0009] Technical solution: A PCBA detection device, comprising:

[0010] A base, a transporting part, a loading and unloading part, a clamping part arranged on the base, and a detection part located at a side of the clamping part;

[0011] The clamping portion comprises:

[0012] A clamping frame mounted on the base;

[0013] The clamping members are designed in two groups, which are respectively located at the two ends of the clamping frame, and a clamping linear motion mechanism is provided between any group of the clamping members and the clamping frame;

[0014] Each set of clamping members includes a rotating motor and a clamping head connected to the output end of the rotating motor;

[0015] The clamping head is provided with a notch, a clamping plate is symmetrically arranged in the notch, a plurality of grooves are arranged in the clamping plate, and spring buckles with a predetermined arc are arranged in the grooves.

[0016] The utility model completes the fixing work of the PCBA by designing the clamping part, and the PCBA is fixed by the spring buckle. At the same time, the rotating motor drives the clamping head to rotate to complete the flipping work. Then, during the flipping process, the detection part completes the comprehensive detection work of the PCBA.

[0017] Compared with the traditional cylinder or motor driven clamp arm, the snap hook is not easy to damage the PCBA, and the flipping work is realized by rotating the motor.

[0018] In order to increase the protection effect, a protective layer can be designed on the surface of the spring buckle to protect the PCBA. Soft materials such as sponge rubber can be selected.

[0019] In a further embodiment, the detection portion includes two groups of detection units symmetrically arranged on the side of the clamping frame, and each group of detection units includes:

[0020] A detection frame, mounted on the base;

[0021] A visual sensor is installed on the detection frame and is located on a side of the detection frame close to the clamping frame;

[0022] A fill light linear motion mechanism is installed on the detection frame;

[0023] A fill light frame is connected to the fill light linear motion mechanism, and a fill light is arranged on the fill light frame.

[0024] In a further embodiment, the transport portion comprises two groups of transport belts symmetrically arranged along the clamping frame.

[0025] The moving belt is a prior art and can be selected from material conveying belts.

[0026] In a further embodiment, the loading and unloading section includes a three-axis suction cup robot located between two sets of conveyor belts;

[0027] The three-axis suction cup manipulator is a prior art and may include a three-axis manipulator and a vacuum suction cup connected to the three-axis manipulator;

[0028] The three-axis manipulator is composed of three interconnected linear mechanisms arranged in three directions. The linear motion mechanism has the same structure as the linear motion unit. The three directions are horizontal, vertical and vertical directions.

[0029] A vacuum suction cup and a connecting frame for connecting the vacuum suction cup and the linear mechanism in the vertical direction are arranged on the linear mechanism in the vertical direction.

[0030] The clamping linear motion mechanism and the fill light linear motion mechanism are two groups of linear motion units with the same structure, and each group of linear motion units includes:

[0031] Linear motion frame;

[0032] A linear motion motor is mounted on the end of the linear motion frame;

[0033] A linear motion screw rod is arranged on the linear motion frame and connected to the output end of the linear motion motor;

[0034] The linear motion slide plate is sleeved on the linear motion screw rod and slidably matched along the linear motion frame.

[0035] The linear motion frame and the linear motion slide in the clamping linear motion mechanism are respectively connected to the clamping frame and the rotary motor of any one group of clamping parts, and the rotary motor of another group of clamping parts is connected to the clamping frame.

[0036] The linear motion frame and the linear motion slide plate in the fill-light linear motion mechanism are connected to the detection frame and the fill-light frame respectively.

[0037] In a further embodiment, a pull-back spring connecting the two ends of the spring buckle is arranged in the groove, or a return spring abutting against the spring buckle is arranged in the groove, so as to increase the elastic force of the spring buckle.

[0038] Beneficial effects: The utility model discloses a PCBA detection device. The utility model completes the fixing work of the PCBA by designing a clamping part, and the PCBA is fixed by a spring buckle. At the same time, the clamping head is driven by a rotating motor to rotate to complete the flipping work. Then, during the flipping process, the detection part completes the comprehensive detection work of the PCBA.

[0039] Compared with the traditional cylinder or motor-driven clamping arm, the snap hook is less likely to damage the PCBA, and the flipping work is achieved by rotating the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 It is a structural schematic diagram of the utility model.

[0041] Figure 2 It is a schematic diagram of the detection unit of the utility model.

[0042] Figure 3 It is a schematic diagram of the clamping part of the utility model.

[0043] Figure 4 It is a schematic diagram of a spring buckle of the utility model.

[0044] The accompanying drawings are marked as follows:

[0045] 1. Base; 2. Loading and unloading part; 3. Transportation part;

[0046] 4. Detection unit; 41. Detection frame; 42. Visual sensor; 43. Fill light linear motion mechanism; 44. Fill light frame; 45. Fill light;

[0047] 5. Clamping part; 51. Clamping frame; 52. Clamping linear motion mechanism; 53. Rotating motor; 54. Clamping head; 541. Clamping plate; 542. Spring buckle. DETAILED DESCRIPTION

[0048] The present application relates to a PCBA detection device, which is explained in detail below through specific implementation methods.

[0049] A PCBA detection device, comprising:

[0050] A base 1, a transporting part 3, a loading and unloading part 2, a clamping part 5 arranged on the base 1, and a detection part 4 located at a side of the clamping part 5;

[0051] The clamping portion 5 comprises:

[0052] A clamping frame 51 is installed on the base 1;

[0053] The clamping members are designed in two groups, which are respectively located at the two ends of the clamping frame 51, and a clamping linear motion mechanism 52 is provided between any group of the clamping members and the clamping frame 51;

[0054] Each set of clamping members includes a rotating motor 53 and a clamping head 54 connected to the output end of the rotating motor 53;

[0055] The clamping head 54 is provided with a notch, a clamping plate 541 is symmetrically arranged in the notch, a plurality of grooves are provided in the clamping plate 541, and spring buckles 542 with a predetermined arc are arranged in the grooves.

[0056] The utility model completes the fixing work of the PCBA by designing the clamping part 5, and the spring buckle 542 completes the fixing of the PCBA. At the same time, the rotating motor 53 drives the clamping head 54 to rotate to complete the flipping work. Then, during the flipping process, the detection part 4 completes the comprehensive detection work of the PCBA.

[0057] Compared with the traditional cylinder or motor driven clamping arm, the spring buckle 542 is not easy to damage the PCBA, and the flipping operation is realized by rotating the motor 53.

[0058] In order to increase the protection effect, a protective layer can be designed on the surface of the spring buckle 542 to protect the PCBA, and a soft material such as sponge rubber can be selected.

[0059] The detection unit 4 includes two groups of detection units symmetrically arranged on the side of the clamping frame 51, and each group of detection units includes:

[0060] A detection frame 41 is installed on the base 1;

[0061] The visual sensor 42 is installed on the detection frame 41 and is located on the side of the detection frame 41 close to the clamping frame 51;

[0062] A fill light linear motion mechanism 43 is installed on the detection frame 41;

[0063] The fill light frame 44 is connected to the fill light linear motion mechanism 43 , and a fill light 45 is disposed on the fill light frame 44 .

[0064] The transport part 3 includes two sets of transport belts symmetrically arranged along the clamping frame 51, which are a feeding belt and a discharging belt respectively;

[0065] The moving belt is a prior art and can be selected from material conveying belts.

[0066] The loading and unloading part 2 includes a three-axis suction cup manipulator located between two sets of conveyor belts;

[0067] The three-axis suction cup manipulator is a prior art and can be selected in the art, and can include a three-axis manipulator and a vacuum suction cup connected to the three-axis manipulator;

[0068] The three-axis manipulator is composed of three interconnected linear mechanisms arranged in three directions. The linear motion mechanism has the same structure as the linear motion unit. The three directions are horizontal, vertical and vertical directions.

[0069] A vacuum suction cup and a connecting frame for connecting the vacuum suction cup and the linear mechanism in the vertical direction are arranged on the linear mechanism in the vertical direction.

[0070] The clamping linear motion mechanism 52 and the fill light linear motion mechanism 43 are two groups of linear motion units with the same structure, and each group of linear motion units includes:

[0071] Linear motion frame;

[0072] A linear motion motor is mounted on the end of the linear motion frame;

[0073] A linear motion screw rod is arranged on the linear motion frame and connected to the output end of the linear motion motor;

[0074] The linear motion slide plate is sleeved on the linear motion screw rod and slidably matched along the linear motion frame.

[0075] When the linear motion unit is working, the linear motion motor drives the linear motion screw to rotate, which in turn drives the linear motion slide to slide along the linear motion frame, which in turn drives the rotating motor 53 or the fill light frame 44 to move, thereby completing the adjustment of the spacing between the two groups of clamping heads 54 and the adjustment of the fill light irradiation distance.

[0076] The linear motion frame and the linear motion slide in the clamping linear motion mechanism 52 are respectively connected to the clamping frame 51 and the rotary motor 53 of any one group of clamping parts, and the rotary motor 53 of another group of clamping parts is connected to the clamping frame 51.

[0077] The linear motion frame and the linear motion slide plate in the fill light linear motion mechanism 43 are connected to the detection frame 41 and the fill light frame 44 respectively.

[0078] A pull-back spring connecting the two ends of the spring buckle 542 is arranged in the groove, or a return spring abutting against the spring buckle 542 is arranged in the groove, so as to increase the elastic force of the spring buckle 542 .

[0079] Working principle description: During the inspection, the three-axis suction cup manipulator sucks the PCBA placed on the feeding belt to the top of the clamping part 5. At this time, the position of the clamping head 54 is adjusted by the rotating motor 53 so that the notch and the PCBA are in a horizontal direction. The distance between the two groups of clamping heads 54 is adjusted by the clamping linear motion mechanism 52 so that they reach a suitable position. After the adjustment is completed, the three-axis suction cup manipulator drives the PCBA to move, and the PCBA slides in from the sides of the two groups of clamping heads 54. After sliding in, it is fixed by the elastic force of the spring buckle 542;

[0080] After the PCBA is fixed, the corresponding clamping head 54 is driven by the selection motor to rotate to complete the flipping of the PCBA. During the flipping process, the fill light 45 is used to fill the PCBA with light, which facilitates the visual sensor 42 to complete the inspection of the PCBA. After the PCBA is flipped for one circle, the three-axis suction cup robot absorbs the PCBA, slides out from the side of the clamping head 54, and is placed on the discharge belt to complete the inspection.

[0081] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings; however, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, various equivalent transformations can be made to the technical scheme of the present invention, and these equivalent transformations all belong to the protection scope of the present invention.

Claims

1. A PCBA detection device, comprising: A base (1), a transport portion (3), a loading and unloading portion (2), a clamping portion (5) arranged on the base (1), and a detection portion (4) located on the side of the clamping portion (5); Characterized in that the clamping portion (5) comprises: A clamping frame (51) mounted on the base (1); The clamping members are designed in two groups and are respectively located at two ends of the clamping frame (51); a clamping linear motion mechanism (52) is provided between any group of the clamping members and the clamping frame (51); Each group of clamping members comprises a rotating motor (53) and a clamping head (54) connected to the output end of the rotating motor (53); The clamping head (54) is provided with a notch, a clamping plate (541) is symmetrically arranged in the notch, a plurality of grooves are provided in the clamping plate (541), and spring buckles (542) with a predetermined arc are arranged in the grooves.

2. A PCBA detection device according to claim 1, characterized in that: The detection part (4) comprises two groups of detection units symmetrically arranged on the side of the clamping frame (51), and each group of detection units comprises: A detection frame (41) mounted on the base platform (1); A visual sensor (42) is mounted on the detection frame (41) and is located on a side of the detection frame (41) close to the clamping frame (51); A fill light linear motion mechanism (43) is mounted on the detection frame (41); A fill light frame (44) is connected to the fill light linear motion mechanism (43), and a fill light lamp (45) is provided on the fill light frame (44).

3. A PCBA detection device according to claim 1, characterized in that: The transport part (3) comprises two groups of transport belts symmetrically arranged along the clamping frame (51).

4. A PCBA detection device according to claim 1, characterized in that: The loading and unloading section (2) comprises a three-axis suction cup robot located between two sets of conveyor belts.

5. The PCBA detection device according to claim 1, characterized in that: A pull-back spring connecting the two ends of the spring buckle (542) is arranged in the groove.

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