CN108318500B

CN108318500B - AOI equipment that slidingtype detected

Info

Publication number: CN108318500B
Application number: CN201810072821.4A
Authority: CN
Inventors: 叶忠义
Original assignee: Kunshan Shengpu Electronic Products Co ltd
Current assignee: Kunshan Shengpu Electronic Products Co ltd
Priority date: 2018-01-25
Filing date: 2018-01-25
Publication date: 2021-02-02
Anticipated expiration: 2038-01-25
Also published as: CN108318500A

Abstract

The invention discloses AOI equipment for sliding detection, which comprises a rack, a detection platform and a detection system, wherein a through hole is formed in the rack along the length direction of the rack, a hook is arranged in the middle of a fixed plate in the through hole, the hook is rotatably connected with the fixed plate through a first rotary table, a rotary shaft is sleeved in the middle of the first rotary table, a rotary motor is arranged on the other side of the fixed plate, the rotary motor is connected to the rotary shaft through a coupler and drives the first rotary table to rotate, a second telescopic part is arranged on the wall of the rack, a second rotary table is sleeved at the movable end of the second telescopic part, the movable end of the second telescopic part faces towards the fixed plate, an electric clamp is fixed at the movable end of the second telescopic part, the electric clamp clamps are used for clamping a spring on the hook of the fixed plate, and a camera is arranged at. The invention can completely detect the spring without manually turning the spring, and the detection result is very complete.

Description

AOI equipment that slidingtype detected

Technical Field

The invention relates to AOI equipment, in particular to AOI equipment for sliding type detection.

Background

AOI (automated optical inspection) is called automatic optical inspection and is a device for detecting common defects encountered in welding production based on an optical principle. AOI is a new testing technology which is just emerging in recent years, the development is rapid, and AOI testing equipment is released by many manufacturers at present. During automatic detection, the machine automatically scans the spring through the camera, acquires images, compares the tested welding spots with qualified parameters in the database, inspects the defects on the PCB through image processing, and displays or marks the defects through a display or an automatic mark for repair personnel to repair. Good process control can be achieved by using AOI to find and eliminate errors early in the assembly process, early detection of defects will avoid sending a bad board to a subsequent assembly stage, AOI will reduce repair costs and will avoid scrapping an unrepairable circuit board. Because the AOI technology is relatively complex, the AOI detection equipment on the market at present has a quite complex structure, the functions of the equipment on the market are various, the detection process comprises a plurality of processes, and the detection requirements for different processes are different, so that the whole structure of the equipment is complex, the manufacturing cost is high, the price is high, the size is large, and the popularization and the application of the equipment in the industry are restricted. In addition, most of the existing equipment is of a semi-automatic structure, cannot be matched with a production line to work together, and meanwhile, the cameras are required to be manually adjusted, so that the operation is inconvenient. Meanwhile, the existing equipment is not designed with a structure for maintenance, when the equipment breaks down, the equipment needs to be disassembled from the side surface and then maintained, and the maintenance efficiency is affected if some small problems occur.

Disclosure of Invention

The present invention is directed to an AOI apparatus for sliding type inspection, which solves the above problems of the related art.

In order to achieve the purpose, the invention provides the following technical scheme: an AOI device for sliding detection comprises a frame, a detection platform and a detection system, wherein a through hole is formed in the frame along the length direction of the frame, the detection platform is arranged in the through hole, two sides of the through hole are respectively provided with an electric guide rail, namely an electric guide rail I and an electric guide rail II, the electric guide rail I and the electric guide rail II are respectively connected with a sliding block in a sliding manner, the sliding blocks are fixed on two sides of the detection platform, one end of the detection platform is hinged with a fixed plate, the top of the fixed plate is rotatably connected with a first telescopic part, the fixed end of the first telescopic part is fixed at the upper end of the through hole, the movable end of the first telescopic part is fixed on the fixed plate through a hinged plate, the middle part of the fixed plate is provided with a hook, the hook is rotatably connected with the fixed plate through a first rotary plate, the opposite side of fixed plate is equipped with the rotation motor, it is connected to the pivot through the coupling joint to rotate the motor, it drives to rotate the motor carousel one rotates, the through-hole is kept away from one side of fixed plate is established with the frame wall, be equipped with extensible member two on the frame wall, the expansion end cover of extensible member two is equipped with carousel two, the expansion end orientation of extensible member two the fixed plate, the expansion end of extensible member two is fixed with an electronic clamp, the spring on the fixed plate couple is got to electronic clamp, the top in the frame is equipped with detecting system, the camera is established at the top of through-hole, it has a plurality of light traps to open on the detecting platform, and a control light source establishes the lower extreme of through-hole, light see through the light trap establish to the spring.

Preferably, the rotating motor is a stepping motor, a photoelectric sensor is arranged on the first rotary disc, the photoelectric sensor is connected to the input end of the detection system, and the output end of the detection system is connected to the stepping motor, the electric clamp, the first telescopic piece and the second telescopic piece.

Preferably, the movable end of the second telescopic part is fixedly connected with an electromagnet and an infrared sensor, and the infrared sensor is connected to the electromagnet through a relay.

Preferably, a material collecting box is arranged at the bottom end of the rack, a discharge hole is formed in the end part, close to the second telescopic part, of the bottom of the rack, and the discharge hole is communicated with the material collecting box.

Preferably, the surface of the bottom of the detection platform is coated with a heat insulation coating, and the heat insulation coating comprises a base layer, a PU coating, ceramic fiber particles, a heat insulation filler, a flame retardant coating and a finish paint layer; the surface of the base layer is provided with a PU coating, the upper surface of the PU coating is provided with a heat insulation filler, and ceramic fiber particles are arranged in the heat insulation filler; the upper surface of the heat insulation filler is provided with a flame-retardant coating, and the upper surface of the flame-retardant coating is provided with a finish paint layer.

Preferably, the thermal insulation filler is aerogel.

Preferably, the thickness of the base layer is 1-2 mm; the thickness of the PU coating is 2-3 mm; the thickness of the heat insulation filler layer is 3-4 mm; the thickness of the flame-retardant coating is 1-3 mm; the thickness of the finish paint layer is 1-4 mm.

Compared with the prior art, the invention has the beneficial effects that: the invention is provided with a detection platform and a detection system, wherein the detection platform is fixed in a frame through a first electric guide rail and a second electric guide rail, wherein the first electric guide rail and the second electric guide rail drive the detection platform to move back and forth, on one hand, in order to facilitate the camera to detect the spring in all directions, on the other hand, the spring is convenient to convey, the other side of the through hole is provided with a telescopic piece, one end of the spring is clamped on the hook at one end of the fixed plate, the other end of the spring is fixed on the electric clamp II through a telescopic piece II, the telescopic piece II retracts, thus the spring can be driven by the second telescopic part to extend, the camera can conveniently detect the spring from head to tail, in addition, the rotating motor drives the first rotating disk and the second rotating disk to rotate together, the spring is clamped between the first rotating disk and the second rotating disk, and in the rotating process of the rotating motor, the camera detects synchronously, and the surface state of the spring can be completely presented in a detection system through the camera. The invention can completely detect the spring without manually turning the spring, and the detection result is very complete.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a schematic structural view of a thermal barrier coating of the present invention.

In the figure: 1. a frame; 2. a first electric guide rail; 3. a second electric guide rail; 4. a slider; 5. a detection platform; 6. hinging a shaft; 7. a fixing plate; 8. a through hole; 9. hooking; 10. a first telescopic part; 11. a rotating shaft; 12. a first rotating disc; 13. a second telescopic part; 14. a second rotating disc; 15. electrically operated clamps; 16. a photosensor; 17. a camera; 18. a light-transmitting hole; 19. controlling the light source; 20. a hinge plate; 21. an electromagnet; 22. an infrared sensor; 23. a discharge hole; 24. a material receiving box; 25. a detection system; 26. a base layer; 27. a PU coating; 28. a heat insulation filler layer; 29. a flame retardant coating; 30. a finish paint layer; 31. the motor is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention is shown:

an AOI device for sliding detection comprises a frame 1, a detection platform 5 and a detection system 25, wherein a through hole 8 is formed in the frame 1 along the length direction of the frame, the detection platform 5 is arranged in the through hole 8, electric guide rails 2 and two electric guide rails 3 are respectively arranged on two sides of the through hole 8, the first electric guide rail 2 and the second electric guide rail 3 are respectively connected with a sliding block 4 in a sliding manner, the sliding blocks 4 are fixed on two sides of the detection platform 5, one end of the detection platform 5 is hinged with a fixed plate 7, a first telescopic part 10 is rotatably connected with the top of the fixed plate 7, the fixed end of the first telescopic part 10 is fixed on the upper end of the through hole 8, the movable end of the first telescopic part 10 is fixed on the fixed plate 7 through a hinged plate 20, a hook 9 is arranged in the middle of the fixed plate 7, the hook 9 is rotatably connected with the fixed plate 7 through a first rotary table 12, the middle part of the first rotating disk 12 is sleeved with a rotating shaft 11, the other side of the fixed plate 7 is provided with a rotating motor 31, the rotating motor 31 is connected to the rotating shaft 11 through a coupler, the rotating motor 31 drives the first rotating disc 12 to rotate, a frame wall is arranged on one side of the through hole 8 far away from the fixed plate 7, a second telescopic piece 13 is arranged on the frame wall, the movable end of the second telescopic part 13 is sleeved with a second rotating disc 14, the movable end of the second telescopic part 13 faces the fixed plate 7, an electric clamp 15 is fixed at the movable end of the second telescopic part 13, the electric clamp 15 clamps a spring on the hook 9 of the fixed plate 7, the top end of the frame 1 is provided with a detection system 25, the top of the through hole 8 is provided with a camera 17, the detection platform 5 is provided with a plurality of light holes 20, a control light source 19 is arranged at the lower end of the through hole 8, and light penetrates through the light holes 20 and is arranged towards the spring.

In this embodiment, the rotating motor 31 is a stepping motor, the first rotating disc 12 is provided with a photoelectric sensor 16, the photoelectric sensor 16 is connected to an input end of the detection system 25, and an output end of the detection system 25 is connected to the stepping motor, the electric clamp 15, the first telescopic member 10 and the second telescopic member 13.

In this embodiment, an electromagnet 21 and an infrared sensor 22 are fixedly connected to the movable end of the second expansion piece 13, and the infrared sensor 22 is connected to the electromagnet 21 through a relay.

In this embodiment, a material receiving box 24 is arranged at the bottom end of the frame 1, a discharge hole 23 is formed at the end part of the bottom of the frame 1 close to the second telescopic part 13, and the discharge hole 23 is communicated with the material receiving box 24.

In the present embodiment, the bottom surface of the detection platform 5 is coated with a thermal insulation coating, and the thermal insulation coating comprises a base layer 26, a PU coating 27, ceramic fiber particles, a thermal insulation filler layer 28, a flame retardant coating 29, and a finish paint layer 30; the surface of the base layer 26 is provided with a PU coating 27, the upper surface of the PU coating 27 is provided with a heat insulation filler layer 28, and ceramic fiber particles are arranged in the heat insulation filler layer 28; the upper surface of the heat insulation filler layer 28 is provided with a flame retardant coating 29, and the upper surface of the flame retardant coating 29 is provided with a finish paint layer 30; the heat insulation filler layer 28 is aerogel; the thickness of the base layer 26 is 1-2 mm; the thickness of the PU coating 27 is 2-3 mm; the thickness of the heat insulation filler layer 28 is 3-4 mm; the thickness of the flame-retardant coating 29 is 1-3 mm; the thickness of the finishing paint layer 30 is 1-4 mm.

The working principle is as follows: the invention is provided with a detection platform 5 and a detection system 25, wherein the detection platform 5 is fixed in a frame 1 through an electric guide rail I2 and an electric guide rail II 3, the electric guide rail I2 and the electric guide rail II 3 drive the detection platform 5 to move back and forth, on one hand, in order to facilitate the camera 17 to detect the spring in all directions, on the other hand, in order to facilitate the spring conveying, on the other hand, a telescopic piece II 13 is arranged on the other side of a through hole 8, one end of the spring is clamped on a hook at one end of a fixed plate 7, the other end of the spring is fixed on an electric clamp II 15 through the telescopic piece II 13, the telescopic piece II 13 retracts, so that the spring can drive the spring to extend through the telescopic piece II 13, the detection spring from head to tail of the camera 17 is facilitated, in addition, a motor 31 is rotated to drive the rotary table I12 and the rotary, in the rotating process of the rotating motor 31, the camera 17 detects synchronously, and the surface state of the spring can be completely presented in the detection system 25 through the camera 17. The invention can completely detect the spring without manually turning the spring, and the detection result is very complete.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. An AOI equipment that slidingtype detected, includes frame (1), testing platform (5) and detecting system (25), its characterized in that: the detection device is characterized in that a through hole (8) is formed in the rack (1) in an extending mode along the length direction of the rack, a detection platform (5) is arranged in the through hole (8), electric guide rails (2) and two electric guide rails (3) are arranged on two sides of the through hole (8), the electric guide rails (2) and the two electric guide rails (3) are connected with a sliding block (4) in an equal sliding mode, the sliding blocks (4) are fixed on two sides of the detection platform (5), one end of the detection platform (5) is hinged with a fixing plate (7), the top of the fixing plate (7) is rotatably connected with a first telescopic part (10), the fixed end of the first telescopic part (10) is fixed at the upper end of the through hole (8), the movable end of the first telescopic part (10) is fixed on the fixing plate (7) through a hinged plate (20), a hook (9) is arranged in the middle of the fixing plate (7), couple (9) through carousel one (12) with fixed plate (7) rotate to be connected, carousel one (12) middle part cover is equipped with a pivot (11), the opposite side of fixed plate (7) is equipped with rotates motor (31), it is connected to pivot (11) through the shaft coupling to rotate motor (31), it drives to rotate motor (31) carousel one (12) rotate, through-hole (8) are kept away from one side of fixed plate (7) is equipped with a frame wall, be equipped with extensible member two (13) on the frame wall, the expansion end cover of extensible member two (13) is equipped with carousel two (14), the expansion end of extensible member two (13) is towards fixed plate (7), the expansion end of extensible member two (13) is fixed with an electronic clamp (15), electronic clamp (15) are pressed from both sides and are got the spring on fixed plate (7) couple (9), the top on frame (1) is equipped with detecting system (25), camera (17) are established at the top of through-hole (8), it has a plurality of light traps (20) to open on testing platform (5), and a control light source (19) are established the lower extreme of through-hole (8), light see through light trap (20) establish to the spring.

2. The AOI apparatus for slide type inspection according to claim 1, wherein: the rotating motor (31) is a stepping motor, a photoelectric sensor (16) is arranged on the first rotating disc (12), the photoelectric sensor (16) is connected to the input end of the detection system (25), and the output end of the detection system (25) is connected to the stepping motor, the electric clamp (15), the first telescopic piece (10) and the second telescopic piece (13).

3. The AOI apparatus for slide type inspection according to claim 1, wherein: the movable end of the second telescopic piece (13) is fixedly connected with an electromagnet (21) and an infrared sensor (22), and the infrared sensor (22) is connected to the electromagnet (21) through a relay.

4. The AOI apparatus for slide type inspection according to claim 1, wherein: the bottom of frame (1) is equipped with one and receives magazine (24), the tip that frame (1) bottom is close to extensible member two (13) is opened has a discharge opening (23), discharge opening (23) intercommunication receive magazine (24).

5. The AOI apparatus for slide type inspection according to claim 1, wherein: the bottom surface of the detection platform (5) is coated with a heat insulation coating, and the heat insulation coating comprises a base layer (26), a PU coating (27), ceramic fiber particles, a heat insulation filler layer (28), a flame retardant coating (29) and a finish paint layer (30); the surface of the base layer (26) is provided with a PU coating (27), the upper surface of the PU coating (27) is provided with a heat insulation filler layer (28), and ceramic fiber particles are arranged in the heat insulation filler layer (28); the upper surface of the heat insulation filler layer (28) is provided with a flame-retardant coating (29), and the upper surface of the flame-retardant coating (29) is provided with a finish paint layer (30).

6. The AOI apparatus for slide type inspection according to claim 5, wherein: the heat insulation filler layer (28) is aerogel.

7. The AOI apparatus for slide type inspection according to claim 5, wherein: the thickness of the base layer (26) is 1-2 mm; the thickness of the PU coating (27) is 2-3 mm; the thickness of the heat insulation filler layer (28) is 3-4 mm; the thickness of the flame-retardant coating (29) is 1-3 mm; the thickness of the finish paint layer (30) is 1-4 mm.