Material transferring and overturning device for SMT (Surface Mount Technology) processing

Abstract

The utility model belongs to the technical field of circuit board processing, and relates to a material transferring and turning device for SMT (surface mount technology) processing, which comprises a support frame, two mounting plates are symmetrically mounted at the top of the support frame, the inner sides of the two mounting plates are rotatably connected with a same first screw rod, the first screw rod is in threaded connection with a threaded driving block, and the threaded driving block is in threaded connection with a second screw rod. The top of the threaded driving block is connected with a first detection assembly. According to the utility model, through the first screw rod, the first detection assembly and the second detection assembly, two surfaces of the circuit board can be continuously detected, and manual secondary placement is not needed, so that the detection time is greatly shortened, and the detection efficiency is improved; by means of the second detection assembly, the PCBs can be automatically turned over without manual intervention in the detection process, double-face detection can be achieved for each PCB in the detection process, the double-face PCBs do not need to be placed on a conveying device again to move for secondary detection, and therefore the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of circuit board processing relates to a material transfer overturning device for SMT patch processing. BACKGROUND

[0002] SMT patch processing is a kind of technology widely used in electronic assembly industry, SMT patch processing, i.e. the processing of surface mounting technology, is a kind of surface mounting component without pin or short pin mounted on the surface of printed circuit board (PCB) or other substrate, after the completion of patching on printed circuit board, the surface of printed circuit board needs to be detected to detect the completeness of printed circuit board patching.

[0003] When using the above technology, it is found that the prior art has the following technical problems: at present, when AOI optical detection is carried out on mobile PCB board, the PCB board is usually placed in a flat manner on the conveying device to keep the stable conveying of PCB board and facilitate the optical detection of PCB board, but the existing conveying device can only detect one side of PCB board each time when conveying the flat PCB board, if double-sided PCB board needs to be detected, the PCB board needs to be placed on the conveying device again for secondary detection, which undoubtedly increases the detection time and reduces the work efficiency, therefore, we improve it and propose a material transfer overturning device for SMT patch processing. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is that the existing conveying device can only detect one side of PCB board each time when conveying the flat PCB board, if double-sided PCB board needs to be detected, the PCB board needs to be placed on the conveying device again for secondary detection, which undoubtedly increases the detection time and reduces the work efficiency.

[0005] The material transfer overturning device for SMT patch processing disclosed by the utility model comprises a supporting frame, two mounting plates are symmetrically installed at the top of the supporting frame, a same first lead screw is rotationally connected to the inner side of the two mounting plates, a threaded driving block is threadedly connected to the first lead screw, a first detection assembly is connected to the top of the threaded driving block, a second detection assembly is arranged at one end of the threaded driving block, a first servo motor is connected to one end of the first lead screw penetrating through the mounting plate, and the first servo motor is installed on the mounting plate.

[0006] The first detection assembly comprises two first electric push rods, the bottoms of the two first electric push rods are respectively installed on the two sides of the threaded driving block, and a same first vacuum chuck is installed at the top of the two first electric push rods.

[0007] The second detection assembly comprises a first driving block, the first driving block is connected with a threaded driving block, the first driving block is threadedly connected on a first lead screw, and a mounting bracket is mounted on the top of the first driving block.

[0008] Two sliding grooves are symmetrically formed in the top end of the mounting bracket, and a same sliding block is slidably connected in the two sliding grooves, a second servo motor is mounted on the top of the sliding block, a rotating shaft is mounted on the output shaft of the second servo motor, a second vacuum chuck is mounted on the end of the rotating shaft away from the second servo motor, a second electric push rod is mounted on the mounting bracket, and one end of the second electric push rod is connected with the sliding block.

[0009] The second detection assembly further comprises two sliding blocks, the two sliding blocks are mounted on the two sides of the first driving block, a first sliding rod is slidably connected on the sliding block, and two ends of the two first sliding rods are mounted on the two mounting plates.

[0010] Four bearing wheels are mounted on the bottom of the support frame, a fixing plate is mounted on one end of the support frame, and a plurality of mounting holes are formed in the fixing plate.

[0011] Compared with the prior art, the device can continuously detect two surfaces of the circuit board through the first lead screw, the first detection assembly and the second detection assembly, without manual secondary placement, thereby greatly shortening the detection time and improving the detection efficiency.

[0012] The second detection assembly can automatically flip the PCB during detection without manual intervention, so that each PCB can be double-sided detected during detection, without the need to place the double-sided PCB on the conveying device again for secondary detection, thereby improving the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0014] Figure 1 It is the overall structural schematic diagram of the present application.

[0015] Figure 2 It is the structural schematic diagram of the first lead screw of the present application.

[0016] Figure 3 It is the schematic diagram of the second detection assembly of the present application.

[0017] Figure 4 This is a schematic diagram of the structure of the second servo motor of this utility model.

[0018] Figure 5 This is a schematic diagram of the structure of the second vacuum suction cup of this utility model.

[0019] In the diagram: 1. Support frame; 2. Mounting plate; 3. First lead screw; 4. First slide bar; 5. Threaded drive block; 6. First electric push rod; 7. First vacuum suction cup; 8. First drive block; 9. Slider; 10. First servo motor; 11. Mounting bracket; 12. Sliding groove; 13. Sliding block; 14. Second electric push rod; 15. Second servo motor; 16. Rotating shaft; 17. Second vacuum suction cup; 18. Load-bearing wheel; 19. Fixing plate; 20. Mounting hole. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0021] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0022] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0023] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Example 1

[0024] like Figures 1-5 As shown, a material transfer and flipping device for SMT chip mounting includes a support frame 1. Two mounting plates 2 are symmetrically mounted on the top of the support frame 1. The same first lead screw 3 is rotatably connected to the inner side of the two mounting plates 2. A threaded drive block 5 is threaded onto the first lead screw 3. A first detection component is connected to the top of the threaded drive block 5. A second detection component is provided at one end of the threaded drive block 5. A first servo motor 10 is connected to one end of the first lead screw 3 that passes through the mounting plate 2. The first servo motor 10 is mounted on the mounting plate 2.

[0025] The first detection assembly comprises two first electric push rods 6, the bottoms of the two first electric push rods 6 are respectively installed on the two sides of the threaded driving block 5, and the top ends of the two first electric push rods 6 are installed with the same first vacuum chuck 7, the second detection assembly comprises a first driving block 8, the first driving block 8 is connected with the threaded driving block 5, the first driving block 8 is threadedly connected on the first lead screw 3, the top of the first driving block 8 is installed with a mounting bracket 11, two sliding grooves 12 are symmetrically formed in the top end of the mounting bracket 11, the same sliding block 13 is slidably connected in the two sliding grooves 12, the top of the sliding block 13 is installed with a second servo motor 15, a rotating shaft 16 is installed on the output shaft of the second servo motor 15, the second vacuum chuck 17 is installed on the end, away from the second servo motor 15, of the rotating shaft 16, a second electric push rod 14 is installed on the mounting bracket 11, and one end of the second electric push rod 14 is connected with the sliding block 13; the external AOI optical detection equipment is installed in the middle part of the device support frame 1.

[0026] In work, the circuit board is placed on the first vacuum chuck 7 through the external feeding mechanism, the circuit board is fixed by adsorption through the first vacuum chuck 7, then the first servo motor 10 is started, the first servo motor 10 drives the first lead screw 3 to rotate on the mounting plate 2, the first lead screw 3 drives the threaded driving block 5 and the first driving block 8 connected with the threaded driving block 5 to move horizontally, the circuit board on the second vacuum chuck 17 is driven by the threaded driving block 5 through the first electric push rod 6 connected with the threaded driving block 5 to pass below the AOI optical detection equipment located in the middle part of the support frame 1, when the circuit board passes below the AOI optical detection equipment, the AOI optical detection equipment detects the completeness of the circuit board, after the detection is completed, the first lead screw 3 continues to drive the circuit board to move to the rear of the AOI optical detection equipment through the threaded driving block 5, meanwhile, the first electric push rod 6 pushes the second vacuum chuck 17 to move upward, and the second electric push rod 14 located on the mounting bracket 11 pushes the sliding block 13 to slide in the sliding groove 12 on the mounting bracket 11, the sliding block 13 drives the second servo motor 15 and the second vacuum chuck 17 connected with the sliding block 13 to advance forward, so that the second vacuum chuck 17 is aligned with the first vacuum chuck 7 that is rising, the circuit board on the first vacuum chuck 7 is overlapped with the adsorption surface at the bottom of the second vacuum chuck 17, the first vacuum chuck 7 is separated from adsorption, and the circuit board is fixed by adsorption of the second vacuum chuck 17, after the circuit board is fixed, the first electric push rod 6 drives the first vacuum chuck 7 to descend, and the first vacuum chuck 7 descends to a predetermined position.

[0027] Then, the second servo motor 15 drives the rotating shaft 16 to rotate, and then drives the second vacuum chuck 17 connected to the rotating shaft 16 to rotate 180 degrees, so that the second detection surface of the circuit board on the second vacuum chuck 17 faces upward, and then the first screw rod 3 drives the first driving block 8 and the circuit board on the second vacuum chuck 17 to reset, so that the circuit board is detected again when passing below the AOI optical detection equipment, and the second surface of the circuit board is detected, and then the double-sided detection of the double-sided circuit board is completed, without the need for secondary placement.

[0028] The device can continuously detect the two surfaces of the circuit board through the first screw rod 3, the first detection assembly and the second detection assembly, without the need for secondary placement by manual operation, thereby greatly shortening the detection time and improving the detection efficiency. Embodiment 2

[0029] As shown in Figures 1-2 The second detection assembly further comprises two sliding blocks 9 mounted on the two sides of the first driving block 8, the first sliding rod 4 is slidably connected to the sliding block 9, and the two ends of the two first sliding rods 4 are mounted on the two mounting plates 2; during the transmission of the first driving block 8 and the threaded driving block 5 through the first screw rod 3, the sliding block 9 synchronously slides on the first sliding rod 4, and when the first driving block 8 and the threaded driving block 5 are transmitted through the first screw rod 3, the sliding block 9 moves stably along the first sliding rod 4, which helps to reduce shaking and vibration and improve the stability of the overall structure.

[0030] The support frame 1 is provided with four bearing wheels 18 at the bottom, one end of the support frame 1 is provided with a fixed plate 19, and a plurality of mounting holes 20 are formed in the fixed plate 19; during operation, the four bearing wheels 18 can be moved flexibly, and the device can be fixed by being externally screwed into the mounting holes 20 of the fixed plate 19.

[0031] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, nor limit the utility model to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A material transfer and inversion device for SMT patch processing, characterized in that: Including support frame (1), two installation plates (2) are symmetrically installed on the top of support frame (1), a first lead screw (3) is rotatably connected to the inner side of two installation plates (2), a threaded drive block (5) is threadedly connected to the first lead screw (3), a first detection assembly is connected to the top of threaded drive block (5), a second detection assembly is arranged on one end of threaded drive block (5), a first servo motor (10) is connected to one end of first lead screw (3) penetrating installation plate (2), and the first servo motor (10) is installed on installation plate (2).

2. The material transfer and turnover device for SMT patch processing according to claim 1, characterized in that: The first detection assembly comprises two first electric push rods (6), the bottoms of the two first electric push rods (6) are respectively installed on the two sides of threaded drive block (5), and the top ends of the two first electric push rods (6) are provided with a same first vacuum chuck (7).

3. The material transfer and turnover device for SMT patch processing according to claim 1, characterized in that: The second detection assembly comprises a first drive block (8), the first drive block (8) is connected with threaded drive block (5), the first drive block (8) is threadedly connected to the first lead screw (3), and a mounting bracket (11) is installed on the top of first drive block (8).

4. The material transfer and turnover device for SMT patch processing according to claim 3, characterized in that: The top of mounting bracket (11) is symmetrically provided with two sliding grooves (12), a sliding block (13) is slidably connected in the two sliding grooves (12), a second servo motor (15) is installed on the top of sliding block (13), a rotating shaft (16) is installed on the output shaft of second servo motor (15), a second vacuum chuck (17) is installed on the end, away from second servo motor (15), of rotating shaft (16), a second electric push rod (14) is installed on mounting bracket (11), and one end of second electric push rod (14) is connected with sliding block (13).

5. The material transfer and inverting device for SMT patch processing according to claim 3, characterized in that: The second detection assembly further comprises two sliding blocks (9), the two sliding blocks (9) are installed on the two sides of first drive block (8), a first sliding rod (4) is slidably connected to the sliding block (9), and the two ends of the two first sliding rods (4) are installed on the two installation plates (2).

6. The material transfer and inverting device for SMT patch processing of claim 1, wherein: Four bearing wheels (18) are installed on the bottom of support frame (1), a fixed plate (19) is installed on one end of support frame (1), and a plurality of mounting holes (20) are formed in the fixed plate (19).

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