CN218470580U

CN218470580U - Positioning module of PCB optical detection machine

Info

Publication number: CN218470580U
Application number: CN202222308316.XU
Authority: CN
Inventors: 石军
Original assignee: Suzhou Lyade Intelligent Equipment Co ltd
Current assignee: Suzhou Lyade Intelligent Equipment Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-02-10
Anticipated expiration: 2032-08-30

Abstract

The utility model relates to a positioning module of a PCB optical inspection machine, which comprises a fixed clamping module and a movable clamping module which are arranged oppositely; the fixed clamping module and the movable clamping module respectively comprise an L-shaped supporting plate arranged at the top of the detection platform; a lower clamping plate is elastically arranged on the upper side of the L-shaped transverse plate of the supporting plate, and the top of the L-shaped vertical plate of the supporting plate is rotatably connected with an upper clamping plate which vertically corresponds to the lower clamping plate; the support plate of the movable clamping module slides elastically on the top of the detection table. The utility model discloses an it is fixed with the spring that the lower grip block cooperation of last grip block corresponds to carry out horizontal and fore-and-aft elasticity centre gripping to the product, and the product location that bad factors such as equipment vibrations lead to can effectively be eliminated the deviation appears to improve product optical detection's accuracy and reliability, and then improve the quality of PCB product.

Description

Positioning module of PCB optical detection machine

Technical Field

The utility model relates to a PCB production technical field indicates a location module of PCB optical inspection machine especially.

Background

The PCB is named as a printed circuit board, and SMT is a short name for surface mount technology, which is the most popular technology and process in the electronic assembly industry.

After the PCB of the electronic element is mounted, the PCB needs to enter an AOI detection mechanism for detection, and the basic principle is to detect whether the electronic element is mounted correctly, whether the welding is good, whether the phenomena of missing mounting, reverse direction or short circuit and the like exist through light reflection. When the AOI detection mechanism detects, the following steps are generally available: firstly, manually placing a mounted PCB in a detection platform of an AOI detection mechanism; secondly, after the detection of the AOI detection mechanism is finished, the AOI detection mechanism can respectively judge whether the detected PCB is a good product or a defective product; and thirdly, respectively placing the good products and the defective products on different production lines manually.

The AOI detection mechanism adopted in the current market comprises a detection platform, a detection machine, a detection probe and other structures, and due to the existence of factors such as conveying vibration, if the factors such as vibration can not effectively fix the product in the detection process, the factors such as vibration can cause the deviation of the positioning and fixing position of the product, so that the detected data is deviated, and the detection reliability is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model adopts the following technical scheme: a positioning module of a PCB optical detection machine comprises a detection table, wherein a rack and a positioning module are fixedly arranged on the detection table, a detection machine corresponding to the positioning module is fixedly arranged on the lower side of a transverse plate of the rack, a controller and a detection head corresponding to the positioning module are arranged on the detection machine, and the positioning module comprises a fixed clamping module and a movable clamping module which are oppositely arranged; the fixed clamping module and the movable clamping module respectively comprise an L-shaped supporting plate arranged at the top of the detection platform;

a telescopic rod is vertically arranged on the upper side of the L-shaped transverse plate of the supporting plate, a horizontally arranged lower clamping plate is fixedly connected to the top of the telescopic rod, and a third spring sleeved on the telescopic rod is arranged between the lower clamping plate and the L-shaped transverse plate of the supporting plate;

the top of the L-shaped vertical plate of the supporting plate is fixedly connected with a right-angled U-shaped supporting frame, a supporting rod is horizontally connected between two side plates of the supporting frame, and the supporting rod is rotatably connected with an upper clamping plate which vertically corresponds to the lower clamping plate; an auxiliary plate is fixedly connected to the outer side of the L-shaped vertical plate of the supporting frame, and a second spring is fixedly connected between the auxiliary plate and the upper clamping plate;

the movable clamping module further comprises a slide way arranged at the top of the detection platform, the inner wall of the slide way is connected with a slide block in a sliding mode, and a first spring is arranged between one side of the slide block along the sliding direction and the inner wall of the slide way; the supporting plate of the movable clamping module is fixedly connected to the top of the sliding block through an L-shaped transverse plate.

Further: the upper side surface of the lower clamping plate is provided with a silica gel layer, and the lower side surface of the upper clamping plate is provided with a sponge layer corresponding to the silica gel layer.

And further: the slide rail is internally and horizontally provided with a slide bar, the slide block is provided with a slide groove corresponding to the slide bar, and the slide block is sleeved on the slide bar through the slide groove.

Further: and pull rings are further arranged on the outer sides of the L-shaped vertical plates of the supporting plates of the movable clamping modules.

Further: a second magnetic block and a first magnetic block which is connected to the lower side of the second magnetic block in an adsorbing manner are further arranged on the lower side of the transverse plate of the rack; and a light supplement lamp of a circular ring structure corresponding to the positioning module below is installed on the lower side of the first magnetic block.

Compared with the prior art, the utility model discloses following beneficial effect has: the product is clamped and fixed transversely and longitudinally through the spring which is matched and corresponds to the upper clamping plate and the lower clamping plate, so that the deviation of product positioning caused by adverse factors such as equipment vibration can be effectively eliminated, the accuracy and reliability of optical detection of the product are improved, and the quality of a PCB product is further improved.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of an optical inspection machine for PCB;

FIG. 2 is a schematic cross-sectional view of an inspection table of the optical inspection machine for PCB in the embodiment;

FIG. 3 is an enlarged view of the portion A of FIG. 2;

FIG. 4 is a schematic structural diagram of an embodiment of a movable clamping module;

FIG. 5 is a schematic side view of the supporting frame in the embodiment.

In the figure: 1. a detection table; 2. a frame; 3. a detector; 4. a controller; 5. a detection head; 6. a first magnetic block; 7. a second magnetic block; 8. a light supplement lamp; 9. a slideway; 10. a slide bar; 11. a slider; 12. a chute; 13. a first spring; 14. a support plate; 15. a pull ring; 16. a support frame; 17. a support bar; 18. an auxiliary plate; 19. a second spring; 20. an upper clamping plate; 21. a sponge layer; 22. a telescopic rod; 23. a third spring; 24. a lower clamping plate; 25. and (5) a silica gel layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the optical PCB inspection machine provided in this embodiment includes an inspection table 1, a frame 2 and a positioning module are fixedly disposed on the inspection table 1, an inspection machine 3 corresponding to the positioning module is fixedly disposed on a lower side of a transverse plate of the frame 2, and a controller 4 and an inspection head 5 corresponding to the positioning module are disposed on the inspection machine 3; a second magnetic block 7 and a first magnetic block 6 which is connected to the lower side of the second magnetic block 7 in an adsorbing manner are further arranged on the lower side of the transverse plate of the rack 2; a light supplement lamp 8 with a circular structure corresponding to the lower positioning module is arranged at the lower side of the first magnetic block 6 to supplement light; the positioning module comprises a fixed clamping module and a movable clamping module which are oppositely arranged; the fixed clamping module and the movable clamping module both comprise an L-shaped supporting plate 14 arranged at the top of the detection platform 1.

Referring to fig. 4 and 5, a telescopic rod 22 is vertically arranged on the upper side of the L-shaped transverse plate of the supporting plate 14, a horizontally arranged lower clamping plate 24 is fixedly connected to the top of the telescopic rod 22, a silica gel layer 25 is arranged on the upper side surface of the lower clamping plate 24, and a third spring 23 sleeved on the telescopic rod 22 is arranged between the lower clamping plate 24 and the L-shaped transverse plate of the supporting plate 14; a right-angle U-shaped supporting frame 16 is fixedly connected to the top of the L-shaped vertical plate of the supporting plate 14, a supporting rod 17 is horizontally connected between two side plates of the supporting frame 16, an upper clamping plate 20 vertically corresponding to a lower clamping plate 24 is rotatably connected to the supporting rod 17, and a sponge layer 21 corresponding to a silica gel layer 25 is arranged on the lower side surface of the upper clamping plate 20; an auxiliary plate 18 is fixedly connected to the outer side of the L-shaped vertical plate of the supporting frame 16, and a second spring 19 is fixedly connected between the auxiliary plate 18 and the upper clamping plate 20; and pull rings 15 are arranged on the outer sides of the L-shaped vertical plates of the supporting plates 14 of the movable clamping module.

Referring to fig. 3, the movable clamping module further includes a slide rail 9 disposed at the top of the detection table 1, the inner wall of the slide rail 9 is slidably connected with a slide block 11, a first spring 13 is disposed between one side of the slide block 11 along the sliding direction and the inner wall of the slide rail 9, a slide rod 10 is horizontally disposed in the slide rail 9, a slide groove 12 corresponding to the slide rod 10 is disposed on the slide block 11, and the slide block 11 is slidably sleeved on the slide rod 10 through the slide groove 12; the supporting plate 14 of the movable clamping module is fixedly connected to the top of the sliding block 11 through an L-shaped transverse plate.

The utility model discloses a theory of operation is:

firstly, rotating and opening the upper clamping plates 20 of the fixed clamping modules and the movable clamping modules on the two sides, pulling the pull ring 15 to enable the movable clamping modules to move so as to adjust the clamping width according to the width of the PCB, placing the PCB to be detected on the lower clamping plates 24 of the fixed clamping modules and the movable clamping modules on the two sides, and realizing horizontal elastic clamping of the PCB through the first springs 13;

then, rotate closed clamp plate 20 under the auxiliary action of second spring 19 to cooperate clamp plate 20 to carry out the centre gripping fixedly with the PCB product through lower clamp plate 24, utilize third spring 23 to realize PCB's vertical elasticity centre gripping simultaneously, and then accomplish PCB's elasticity centre gripping location and guarantee to detect effectively to eliminate damage and detection deviation that factors such as vibrations led to when.

Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a PCB optical detection machine's location module, PCB optical detection machine is including examining test table (1), it is provided with frame (2) and location module to examine fixed on test table (1), the fixed correspondence that is provided with of diaphragm downside of frame (2) the detection machine (3) of location module, be provided with controller (4) and correspond on detection machine (3) the location module examine first (5), its characterized in that: the positioning module comprises a fixed clamping module and a movable clamping module which are oppositely arranged; the fixed clamping module and the movable clamping module respectively comprise an L-shaped supporting plate (14) arranged at the top of the detection platform (1);

a telescopic rod (22) is vertically arranged on the upper side of the L-shaped transverse plate of the supporting plate (14), a horizontally arranged lower clamping plate (24) is fixedly connected to the top of the telescopic rod (22), and a third spring (23) sleeved on the telescopic rod (22) is arranged between the lower clamping plate (24) and the L-shaped transverse plate of the supporting plate (14);

a right-angle U-shaped support frame (16) is fixedly connected to the top of the L-shaped vertical plate of the support plate (14), a support rod (17) is horizontally connected between two side plates of the support frame (16), and an upper clamping plate (20) vertically corresponding to the lower clamping plate (24) is rotatably connected to the support rod (17); an auxiliary plate (18) is fixedly connected to the outer side of the L-shaped vertical plate of the support frame (16), and a second spring (19) is fixedly connected between the auxiliary plate (18) and the upper clamping plate (20);

the movable clamping module further comprises a slide way (9) arranged at the top of the detection platform (1), the inner wall of the slide way (9) is connected with a slide block (11) in a sliding mode, and a first spring (13) is arranged between one side of the slide block (11) along the sliding direction and the inner wall of the slide way (9); and a supporting plate (14) of the movable clamping module is fixedly connected to the top of the sliding block (11) through an L-shaped transverse plate.

2. The positioning module of the optical inspection machine for PCB as claimed in claim 1, wherein: the upper side surface of the lower clamping plate (24) is provided with a silica gel layer (25), and the lower side surface of the upper clamping plate (20) is provided with a sponge layer (21) corresponding to the silica gel layer (25).

3. The positioning module of the optical PCB inspection machine as recited in claim 1, wherein: slide bar (10) are horizontally arranged in slide (9), slide block (11) is provided with sliding groove (12) corresponding to slide bar (10), slide block (11) is passed through sliding groove (12) is slidingly covered on slide bar (10).

4. The positioning module of the optical inspection machine for PCB as claimed in claim 1, wherein: and pull rings (15) are further arranged on the outer sides of the L-shaped vertical plates of the supporting plates (14) of the movable clamping module.

5. The positioning module of the optical inspection machine for PCB as claimed in claim 1, wherein: a second magnetic block (7) and a first magnetic block (6) which is connected to the lower side of the second magnetic block (7) in an adsorbing manner are further arranged on the lower side of the transverse plate of the rack (2); and a light supplement lamp (8) which corresponds to the lower part and is of a circular ring structure of the positioning module is arranged on the lower side of the first magnetic block (6).