PCBA (Printed Circuit Board Assembly) feeding equipment

Abstract

The utility model relates to the technical field of PCBA feeding, and discloses PCBA feeding equipment which comprises a control base, a plurality of communicating frames are arranged at the bottom of the control base, a plurality of evenly-distributed adsorption assemblies are fixedly connected to the bottoms of the communicating frames, suction cups are fixedly connected to the bottoms of the adsorption assemblies, and the suction cups are fixedly connected to the bottom of the control base. And a plurality of telescopic rods which are evenly distributed are connected to the top of the adsorption assembly, the upper ends of the telescopic rods are connected with the control base, second positioning springs are arranged outside the telescopic rods, and the upper ends and the lower ends of the second positioning springs are connected with the control base and the communicating frame correspondingly. Due to the arrangement of the communication frame, the size of the PCBA board is determined under the cooperation of the visual positioning mechanism on the station of the conveying frame, and then the mechanical arm controls the control seat to descend by a preset height under the action of the controller, so that a plurality of suction cups corresponding to the lower part of the communication frame are in contact with the PCBA board, enough adsorption force can be ensured to transfer the PCBA board, and the PCBA board can be conveniently conveyed. And meanwhile, the PCBA board is uniformly stressed, so that the condition that the printed circuit is damaged is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of PCBA feeding, and more specifically, to a PCBA feeding device. Background Art

[0002] PCBA, also known as printed circuit board or printed circuit board, is an important electronic component, a support for electronic components, and a provider of circuit connections for electronic components. As electronic products become increasingly miniaturized, in the production process of electronic products, PCBAs are usually produced as a large board, and then divided into multiple small boards using a board splitter according to the set functions.

[0003] In the prior art, when loading PCBA boards, the robot absorbs the PCBA boards through suction cups, and transfers them to the next station after they are firmly absorbed, completing the loading operation of the PCBA boards. However, in actual use, the sizes of PCBA boards vary, and the existing transfer suction cup structure is fixed and single, and cannot be adapted to PCBA boards of various specifications with different sizes, and cannot achieve a good adsorption and transfer effect. Otherwise, the PCBA board is prone to fall during the transfer process, so it needs to be improved. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a PCBA feeding device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PCBA feeding device, comprising a control seat, a plurality of connecting frames are arranged at the bottom of the control seat, a plurality of adsorption components evenly distributed are fixedly connected to the bottom of the connecting frame, a suction cup is fixedly connected to the bottom of the adsorption component, a plurality of telescopic rods evenly distributed are connected to the top of the adsorption component, the upper end of the telescopic rod is connected to the control seat, a second positioning spring is arranged on the outside of the telescopic rod, and the upper and lower ends of the second positioning spring are respectively connected to the control seat and the connecting frame;

[0006] The plurality of connecting frames are coaxial rectangular structures, and the horizontal plane where the connecting frames located on the outside are located is higher than the horizontal plane where the connecting frames located on the inside are located; a conveying tray is arranged below the plurality of suction cups, and a visual positioning mechanism is arranged inside the conveying tray.

[0007] As a preferred technical solution of the utility model, a controller and an air pump are provided inside the control seat, a mechanical arm is provided on the back of the control seat, the upper end of the mechanical arm is fixedly connected to the control seat, the mechanical arm and the air pump are electrically connected to the controller, and the controller transmits signals to the visual positioning mechanism.

[0008] As a preferred technical solution of the utility model, the connecting frame is a hollow structure, a ventilation cavity is opened inside the connecting frame, and a plurality of evenly distributed through holes are opened at the bottom of the connecting frame.

[0009] As a preferred technical solution of the utility model, the adsorption component includes a sealing tube fixedly connected to the bottom of the connecting frame, a sealing cavity is opened in the middle of the sealing tube, and the suction cup is fixedly connected to the bottom of the sealing tube.

[0010] As a preferred technical solution of the utility model, the sealing tube corresponds to the through hole one by one, the upper end of the sealing cavity is connected to the ventilation cavity through the through hole, and the lower end of the sealing cavity is connected to the suction cup.

[0011] As a preferred technical solution of the utility model, the internal sealing sleeve of the sealing chamber is connected with a piston body, the lower end of the inner cavity of the sealing chamber is fixedly sleeved with a lower blocking ring, the upper end of the inner cavity of the sealing chamber is fixedly sleeved with an upper blocking ring, and the interior of the sealing chamber is provided with a first positioning spring located between the sealing chamber and the upper blocking ring.

[0012] As a preferred technical solution of the utility model, the piston body includes an extension column movably arranged inside the sealing cavity, the bottom of the extension column is fixedly connected to a lower plug, and the top of the extension column is fixedly connected to an upper plug.

[0013] As a preferred technical solution of the utility model, the extension column and the upper plug are inserted into the inner side of the first positioning spring, and the upper and lower ends of the first positioning spring are respectively connected to the upper plug ring and the lower plug; the bottom of the lower plug is sealed to the top of the lower plug ring, and the top of the upper plug is sealed to the bottom of the upper plug ring.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. Due to the setting of the connecting frame, the utility model determines the size of the PCBA board with the cooperation of the visual positioning mechanism on the conveyor station, and then the robot arm controls the control seat to descend to a predetermined height under the action of the controller, so that the corresponding suction cups under the connecting frame contact the PCBA board, which can ensure sufficient adsorption force for transferring the PCBA board and make the PCBA board evenly stressed to avoid damage to the printed circuit.

[0016] 2. Due to the setting of the piston body, the utility model, with the cooperation of the lower blocking ring and the upper blocking ring, enables the negative pressure inside the suction cup to adsorb the raw materials, and can avoid the need to continuously pump the airflow to achieve adsorption, thereby greatly improving the adsorption stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a bottom view of the utility model;

[0019] Figure 3 It is a front view of the utility model;

[0020] Figure 4 It is a side view of the utility model;

[0021] Figure 5 It is a cross-sectional view of the front side of the utility model;

[0022] Figure 6 for Figure 5 A local enlarged schematic diagram of point A in the middle.

[0023] In the figure: 1. control seat; 2. connecting frame; 3. adsorption component; 31. sealing tube; 32. sealing chamber; 33. piston body; 331. extension column; 332. lower plug; 333. upper plug; 34. lower plugging ring; 35. upper plugging ring; 36. first positioning spring; 4. suction cup; 5. telescopic rod; 6. second positioning spring; 7. mechanical arm; 8. ventilation chamber; 9. through hole. DETAILED DESCRIPTION

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

[0025] like Figures 1 to 6 As shown, the utility model provides a PCBA feeding device, including a control seat 1, a plurality of connecting frames 2 are arranged at the bottom of the control seat 1, a plurality of adsorption components 3 evenly distributed are fixedly connected to the bottom of the connecting frame 2, a suction cup 4 is fixedly connected to the bottom of the adsorption component 3, a plurality of telescopic rods 5 evenly distributed are connected to the top of the adsorption component 3, the upper end of the telescopic rod 5 is connected to the control seat 1, a second positioning spring 6 is arranged outside the telescopic rod 5, and the upper and lower ends of the second positioning spring 6 are respectively connected to the control seat 1 and the connecting frame 2;

[0026] The connecting frames 2 are coaxial rectangular structures, and the horizontal plane of the connecting frames 2 located on the outside is higher than the horizontal plane of the connecting frames 2 located on the inside; a conveying tray is arranged below the several suction cups 4, and a visual positioning mechanism is arranged inside the conveying tray; due to the arrangement of the connecting frames 2, the size of the PCBA board is determined with the cooperation of the visual positioning mechanism on the conveying frame station, and then the robot arm 7 controls the control seat 1 to descend to a predetermined height under the action of the controller, so that the several suction cups 4 under the corresponding connecting frames 2 are in contact with the PCBA board, which can ensure sufficient adsorption force for transferring the PCBA board and make the PCBA board evenly stressed to avoid damage to the printed circuit.

[0027] Among them, a controller and an air pump are arranged inside the control seat 1, a mechanical arm 7 is arranged on the back of the control seat 1, the upper end of the mechanical arm 7 is fixedly connected to the control seat 1, the mechanical arm 7 and the air pump are electrically connected to the controller, and the controller transmits signals to the visual positioning mechanism.

[0028] The connecting frame 2 is a hollow structure, a ventilation cavity 8 is provided inside the connecting frame 2 , and a plurality of evenly distributed through holes 9 are provided at the bottom of the connecting frame 2 .

[0029] The adsorption assembly 3 includes a sealing tube 31 fixedly connected to the bottom of the connecting frame 2 , a sealing cavity 32 is opened in the middle of the sealing tube 31 , and the suction cup 4 is fixedly connected to the bottom of the sealing tube 31 .

[0030] The sealing tube 31 corresponds to the through hole 9 one by one, the upper end of the sealing cavity 32 is connected to the ventilation cavity 8 through the through hole 9, and the lower end of the sealing cavity 32 is connected to the suction cup 4.

[0031] Among them, the internal sealing sleeve of the sealing chamber 32 is connected with a piston body 33, the lower end of the inner cavity of the sealing chamber 32 is fixedly sleeved with a lower blocking ring 34, the upper end of the inner cavity of the sealing chamber 32 is fixedly sleeved with an upper blocking ring 35, and the interior of the sealing chamber 32 is provided with a first positioning spring 36 located between the sealing chamber 32 and the upper blocking ring 35; due to the setting of the piston body 33, with the cooperation of the lower blocking ring 34 and the upper blocking ring 35, the negative pressure inside the suction cup 4 can adsorb the raw materials, and the need to continuously draw the airflow to achieve adsorption can be avoided, thereby greatly improving the adsorption stability.

[0032] Among them, the piston body 33 includes an extension column 331 movably arranged inside the sealing cavity 32, the bottom of the extension column 331 is fixedly connected with a lower plug 332, and the top of the extension column 331 is fixedly connected with an upper plug 333; due to the setting of the extension column 331, it is ensured that the upwardly moving piston body 33 can pass through the first positioning spring 36 and seal with the upper plug ring 35, ensuring the effect of timely sealing and blocking the airflow, which in turn helps to ensure the stability of the piston body 33, thereby ensuring that the negative pressure state inside the suction cup 4 remains stable.

[0033] Among them, the extension column 331 and the upper plug 333 are inserted into the inner side of the first positioning spring 36, and the upper and lower ends of the first positioning spring 36 are respectively connected to the upper plug ring 35 and the lower plug 332; the bottom of the lower plug 332 is sealed to the top of the lower plug ring 34, and the top of the upper plug 333 is sealed to the bottom of the upper plug ring 35; due to the setting of the lower plug 332 and the upper plug 333, the sealing effect of the upper and lower ends can be achieved with the cooperation of the lower plug ring 34 and the upper plug ring 35, so that the air pump can pump the gas to move the piston body 33 upward as a whole, and then form a negative pressure inside the suction cup 4 to achieve the effect of adsorbing the PCBA board.

[0034] The working principle and use process of this utility model:

[0035] The movement of the control seat 1 is controlled by the robot arm 7, so that it moves with the several connecting frames 2, adsorption components 3 and suction cups 4 below to the top of the PCBA board to be transferred, and then slowly moves downward and makes the several suction cups 4 fit tightly with the board with the cooperation of the visual positioning mechanism. Then the air pump runs and extracts the air in the sealed cavity 32, so that the piston body 33 moves up along the inner wall of the sealed cavity 32, and compresses the first positioning spring 36, thereby forming a negative pressure at the bottom of the piston body 33 and the inside of the suction cup 4, so that it fits tightly with the PCBA board; then the robot arm 7 drives the control seat 1 and the PCBA board adsorbed by the lower suction cup 4 to move as a whole, and transfer it to the next station.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PCBA feeding device, comprising a control seat (1), characterized in that: A plurality of connecting frames (2) are arranged at the bottom of the control seat (1); a plurality of uniformly distributed adsorption components (3) are fixedly connected to the bottom of the connecting frame (2); a suction cup (4) is fixedly connected to the bottom of the adsorption component (3); a plurality of uniformly distributed telescopic rods (5) are connected to the top of the adsorption component (3); the upper end of the telescopic rod (5) is connected to the control seat (1); a second positioning spring (6) is arranged outside the telescopic rod (5); the upper and lower ends of the second positioning spring (6) are respectively connected to the control seat (1) and the connecting frame (2); The plurality of connecting frames (2) are coaxial rectangular structures, and the horizontal plane where the connecting frames (2) located on the outside are located is higher than the horizontal plane where the connecting frames (2) located on the inside are located; a conveying material tray is arranged below the plurality of suction cups (4), and a visual positioning mechanism is arranged inside the conveying material tray.

2. A PCBA feeding device according to claim 1, characterized in that: A controller and an air pump are arranged inside the control seat (1); a mechanical arm (7) is arranged on the back of the control seat (1); the upper end of the mechanical arm (7) is fixedly connected to the control seat (1); the mechanical arm (7) and the air pump are both electrically connected to the controller; and the controller transmits signals to the visual positioning mechanism.

3. A PCBA feeding device according to claim 1, characterized in that: The connecting frame (2) is a hollow structure, a ventilation cavity (8) is provided inside the connecting frame (2), and a plurality of evenly distributed through holes (9) are provided at the bottom of the connecting frame (2).

4. A PCBA feeding device according to claim 3, characterized in that: The adsorption assembly (3) comprises a sealing tube (31) fixedly connected to the bottom of the connecting frame (2), a sealing cavity (32) is provided in the middle of the sealing tube (31), and the suction cup (4) is fixedly connected to the bottom of the sealing tube (31).

5. A PCBA feeding device according to claim 4, characterized in that: The sealing tube (31) corresponds to the through hole (9) one by one, the upper end of the sealing cavity (32) is connected to the ventilation cavity (8) through the through hole (9), and the lower end of the sealing cavity (32) is connected to the suction cup (4).

6. A PCBA feeding device according to claim 4, characterized in that: The inner sealing sleeve of the sealing chamber (32) is connected to a piston body (33); the lower end of the inner cavity of the sealing chamber (32) is fixedly sleeved with a lower blocking ring (34); the upper end of the inner cavity of the sealing chamber (32) is fixedly sleeved with an upper blocking ring (35); and a first positioning spring (36) is provided inside the sealing chamber (32) and is located between the sealing chamber (32) and the upper blocking ring (35).

7. A PCBA feeding device according to claim 6, characterized in that: The piston body (33) includes an extension column (331) movably arranged inside the sealing cavity (32); the bottom of the extension column (331) is fixedly connected to a lower plug (332); and the top of the extension column (331) is fixedly connected to an upper plug (333).

8. A PCBA feeding device according to claim 7, characterized in that: The extension column (331) and the upper plug (333) are inserted into the inner side of the first positioning spring (36), and the upper and lower ends of the first positioning spring (36) are respectively connected to the upper plug ring (35) and the lower plug (332); the bottom of the lower plug (332) is sealed to the top of the lower plug ring (34), and the top of the upper plug (333) is sealed to the bottom of the upper plug ring (35).

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