CN212207139U

CN212207139U - Down-lighting type optical detection mechanism

Info

Publication number: CN212207139U
Application number: CN202020913562.6U
Authority: CN
Inventors: 王庆富; 陈传全
Original assignee: Dongguan Heyi Automation Technology Co ltd
Current assignee: Dongguan Heyi Automation Technology Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-12-22
Anticipated expiration: 2030-05-26

Abstract

The utility model belongs to the technical field of the detection device technique and specifically relates to indicate a down-lighting optical detection mechanism, including being used for the transmission to wait to detect the transmission device of product and being used for detecting the determine module of waiting to detect the product, determine module includes base, camera, light source, refractor and actuating mechanism, the pedestal mounting in actuating mechanism's output, the camera with the light source all install in the base, the light source is located actuating mechanism under, the refractor set up in the light source, the camera is located one side of light source, the camera warp the refractor is treated and is detected the product and shoot. The utility model discloses a camera, light source and refractor cooperation realize detecting, let the camera setting in one side of light source promptly, make the camera can treat through the light source and detect the product and shoot the detection through the refractor to simplified the structure, and make full use of the space, the later stage of being convenient for is maintained.

Description

Down-lighting type optical detection mechanism

Technical Field

The utility model belongs to the technical field of detection device technique and specifically relates to indicate a lower formula optical detection mechanism that shines.

Background

For the circuit board, after the manufacture is finished, whether missing welding or bad welding spots exist needs to be detected, and repair welding is carried out in time after the defects are found so as to ensure the quality of products. The detection mode commonly used at present is AOI detection, but the detection units commonly used at present (i.e. cameras, light sources, etc.) all have the disadvantages of complex structure, large occupied space, etc., which leads to difficult maintenance at the later stage and increases the maintenance cost.

Disclosure of Invention

The utility model discloses problem to prior art provides an under shine formula optical detection mechanism, reduces the maintenance cost through the mode of simplifying the structure.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a pair of under shine formula optical detection mechanism, wait to detect the transmission device of product and be used for detecting the determine module who waits to detect the product including being used for the transmission, determine module includes base, camera, light source, refractor and actuating mechanism, the pedestal mounting in actuating mechanism's output, the camera with the light source all install in the base, the light source is located actuating mechanism under, the refractor set up in the light source, the camera is located one side of light source, the camera warp the refractor is treated and is detected the product and shoot.

Further, the light source includes the casing, the top of casing is provided with first opening, one side of casing is provided with the second opening, first opening with the second opening in intercommunication in the casing, the shooting end of camera is just right the second opening.

Furthermore, the refractor is obliquely arranged at an angle of 45 degrees with the horizontal plane.

Furthermore, actuating mechanism includes X axle drive assembly and Y axle drive assembly, X axle drive assembly install in Y axle drive assembly's output, the base install in X axle drive assembly's output, X axle drive assembly's drive direction with transmission mechanism's transmission direction is the same, Y axle drive assembly's drive direction with X axle drive assembly's drive direction is the angle setting.

Furthermore, the Y-axis driving assembly comprises a driving motor, a screw rod mechanism and two sliding rails, the driving motor is connected with the screw rod mechanism in a driving mode, the screw rod mechanism is located between the two sliding rails, the X-axis driving assembly is installed on a nut of the screw rod mechanism, and the X-axis driving assembly is arranged on the sliding rails in a sliding mode.

Furthermore, the transmission mechanism comprises a power assembly and two guide rails, an interval for allowing the product to be detected to pass through is arranged between the two guide rails, and the power assembly is used for driving the product to be detected located in the interval to move along the length direction of the guide rails.

Furthermore, the conveying mechanism further comprises a stop plate assembly, the stop plate assembly comprises a stop plate cylinder and a stop block, the stop plate cylinder is installed on the outer side of one of the guide rails, a piston rod of the stop plate cylinder extends into the gap in a protruding mode, and the stop block is installed on the piston rod of the stop plate cylinder.

Furthermore, two guide rails are respectively provided with a fixing mechanism for fixing a product to be detected, the fixing mechanism comprises a lifting cylinder and a pressing piece, the lifting cylinder is installed on the guide rails, the pressing piece is installed on a piston rod of the lifting cylinder, and the lifting cylinder is used for driving the pressing piece to descend to the space for pressing and fixing the product to be detected.

Furthermore, one of the guide rails is connected with a width adjusting mechanism, and the width adjusting mechanism is used for adjusting the width between the two guide rails.

The utility model has the advantages that: the utility model discloses a camera, light source and refractor cooperation realize detecting, let the camera setting in one side of light source promptly, make the camera can treat through the light source and detect the product and shoot the detection through the refractor to simplified the structure, and make full use of the space, the later stage of being convenient for is maintained.

Drawings

Fig. 1 is a schematic view of the present invention.

Fig. 2 is a schematic view of the detecting assembly of the present invention.

Fig. 3 is a schematic view of the camera, the light source and the refractor according to the present invention.

Fig. 4 is a schematic view of the stop plate assembly of the present invention.

Fig. 5 is a schematic view of the fixing mechanism of the present invention.

Reference numerals: 1-transmission mechanism, 2-detection component, 3-light path, 11-power component, 12-slide rail, 13-interval, 14-stop board component, 15-width adjusting mechanism, 21-base, 22-camera, 23-light source, 24-refractor, 25-driving mechanism, 121-fixing mechanism, 122-lifting cylinder, 123-pressing piece, 141-stop board cylinder, 142-stop block, 231-shell, 232-first opening, 233-second opening, 251-X axis driving component, 252-Y axis driving component, 253-driving motor, 254-screw rod mechanism and 255-guide rail.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-5, the utility model provides a pair of down shine formula optical detection mechanism, including being used for the transmission to wait to detect the transmission device 1 of product and being used for detecting the determine module 2 of waiting to detect the product, determine module 2 includes base 21, camera 22, light source 23, refractor 24 and actuating mechanism 25, base 21 install in actuating mechanism 25's output, camera 22 with light source 23 all install in base 21, light source 23 is located actuating mechanism 25 is under, refractor 24 set up in light source 23, camera 22 is located one side of light source 23, camera 22 warp refractor 24 treats to detect the product and shoots.

During the use, place the product (taking the circuit board as the example down) that awaits measuring in transmission device 1 by last process, after the position that is detected is transmitted to the circuit board by transmission device 1, carry out the four-quadrant by actuating mechanism 25 drive base 21 and remove, make light source 23 constantly remove in the below of circuit board, thereby let pass through refractor 24 refraction to circuit board below and carry out the camera 22 of shooing and all shoot the bottom of monoblock circuit board, again by camera 22 with the image transmission of shooing to smart machine carry out the discernment of defect (this discernment mode belongs to the conventional means in this field, no longer repeated here), thereby accomplished once and detected. Compared with the prior art, the camera 22 and the light source 23 of the utility model are arranged side by side, which is beneficial to fully utilizing the space and saving the space below the transmission mechanism 1, thereby being convenient for maintenance; furthermore, the utility model discloses a camera 22, refractor 24 and light source 23 three have constituteed the unit of shooing usefulness, have realized the effect that detects equally promptly through few parts, have practiced thrift the cost.

In this embodiment, the light source 23 includes a housing 231, a first opening 232 is disposed at a top of the housing 231, a second opening 233 is disposed at one side of the housing 231, the first opening 232 and the second opening 233 are communicated in the housing 231, and a shooting end of the camera 22 faces the second opening 233.

As shown in fig. 3, the photographing optical path 3 of the camera 22 is as follows: this light path 3 gets into in the casing 231 through second opening 233, then jets out through first opening 232 after refracting through refractor 24 to realized letting camera 22 and light source 23 set up side by side and still can carry out the effect of shooing to the circuit board. Specifically, the lamp beads (not shown in the figure) can be further arranged inside the shell 231 as required to improve the brightness so as to achieve a better shooting effect. Preferably, the refractor 24 is inclined at an angle of 45 ° with respect to the horizontal plane, so as to ensure that the light path 3 of the camera 22 is vertically refracted to emit upward after being directly directed to the refractor 24.

Specifically, the driving mechanism 25 includes an X-axis driving component 251 and a Y-axis driving component 252, the X-axis driving component 251 is installed at an output end of the Y-axis driving component 252, the base 21 is installed at an output end of the X-axis driving component 251, a driving direction of the X-axis driving component 251 is the same as a transmission direction of the transmission mechanism 1, and a driving direction of the Y-axis driving component 252 and a driving direction of the X-axis driving component 251 are arranged at an angle. That is, the X-axis driving component 251 and the Y-axis driving component 252 are matched to drive the base 21 to perform four-quadrant motion, so that the circuit board shooting effect is more comprehensive.

Preferably, the Y-axis driving assembly 252 includes a driving motor 253, a screw mechanism 254 and two slide rails 12, the driving motor 253 is connected to the screw mechanism 254 in a driving manner, the screw mechanism 254 is located between the two slide rails 12, the X-axis driving assembly 251 is mounted on a nut of the screw mechanism 254, and the X-axis driving assembly 251 is slidably disposed on the slide rails 12.

The accurate driving of the base 21 is realized through the screw rod mechanism 254, and the movement of the base 21 is guided by the slide rail 12, so that the driving direction of the Y-axis driving assembly 252 to the base 21 is ensured not to be cheap, and the driving precision is improved; specifically, the X-axis driving assembly 251 can be implemented by a motor (not labeled in the drawings) and a lead screw transmission mechanism (not labeled in the drawings), so as to ensure the precision of the movement of the base 21 in the X-axis driving direction.

In this embodiment, the transmission mechanism 1 includes a power assembly 11 and two guide rails 255, a space 13 for allowing the product to be detected to pass through is provided between the two guide rails 255, and the power assembly 11 is configured to drive the product to be detected located in the space 13 to move along the length direction of the guide rails 255. After the circuit board is placed in the space 13, the power assembly 11 drives the circuit board to move to the detection mechanism for detection, and after the detection is finished, the circuit board is continuously driven to move until the circuit board enters the next process, so that the detection of the circuit board is finished.

Specifically, the conveying mechanism 1 further includes a plate stopping assembly 14, the plate stopping assembly 14 includes a plate stopping cylinder 141 and a stopper 142, the plate stopping cylinder 141 is mounted on an outer side of one of the guide rails 255, a piston rod of the plate stopping cylinder 141 protrudes into the gap 13, and the stopper 142 is mounted on the piston rod of the plate stopping cylinder 141. When the circuit board moves to the stopping component 14 driven by the power component 11, the stopping cylinder 141 drives the stopper 142 to protrude into the space 13, so that the circuit board is stopped, and the circuit board can be stopped and detected by the detection mechanism; after the completion, the board stopping cylinder 141 drives the stopper 142 to retract, so that the circuit board continues to move.

Specifically, two guide rails 255 are provided with fixing mechanisms 121 for fixing a product to be detected, each fixing mechanism 121 includes a lifting cylinder 122 and a pushing member 123, the lifting cylinder 122 is installed on the guide rails 255, the pushing member 123 is installed on a piston rod of the lifting cylinder 122, and the lifting cylinder 122 is used for driving the pushing member 123 to descend to the space 13 to fix the product to be detected by pressing down. After the circuit board is stopped by the stopping assembly 14, the lifting cylinder 122 drives the pressing member 123 to extend into the space 13 and press the circuit board, so that the circuit board is positioned, the circuit board is ensured not to change in position when being detected, and the reliability of the detection result is ensured.

Specifically, one of the guide rails 255 is connected with a width adjusting mechanism 15, and the width adjusting mechanism 15 is used for adjusting the width between the two guide rails 255. This transfer wide mechanism 15 also can realize through lead screw cooperation motor, transfers wide mechanism 15 to realize adjusting the width of interval 13 through the mode that this guide rail 255 of drive is close to or keeps away from promptly, thereby lets the utility model discloses can detect the circuit board of more specifications.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. The utility model provides an under shine formula optical detection mechanism, includes the transport mechanism that is used for the transmission to wait to detect the product and is used for detecting the determine module that waits to detect the product which characterized in that: the detection assembly comprises a base, a camera, a light source, a refractor and a driving mechanism, wherein the base is installed at the output end of the driving mechanism, the camera and the light source are installed on the base, the light source is located under the driving mechanism, the refractor is arranged in the light source, the camera is located on one side of the light source, and the camera passes through the refractor and shoots a product to be detected.

2. The underilluminated optical inspection mechanism according to claim 1, wherein: the light source comprises a shell, a first opening is formed in the top of the shell, a second opening is formed in one side of the shell, the first opening is communicated with the second opening in the shell, and the shooting end of the camera is opposite to the second opening.

3. The underilluminated optical inspection mechanism according to claim 2, wherein: the refractor and the horizontal plane are obliquely arranged at an angle of 45 degrees.

4. The underilluminated optical inspection mechanism according to claim 1, wherein: the driving mechanism comprises an X-axis driving assembly and a Y-axis driving assembly, the X-axis driving assembly is installed at the output end of the X-axis driving assembly, the base is installed at the output end of the Y-axis driving assembly, the driving direction of the X-axis driving assembly is the same as the transmission direction of the transmission mechanism, and the driving direction of the Y-axis driving assembly and the driving direction of the X-axis driving assembly are arranged in an angle mode.

5. The underilluminated optical inspection mechanism according to claim 4, wherein: the Y-axis driving assembly comprises a driving motor, a screw rod mechanism and two sliding rails, the driving motor is connected with the screw rod mechanism in a driving mode, the screw rod mechanism is located between the two sliding rails, the X-axis driving assembly is installed on a nut of the screw rod mechanism, and the X-axis driving assembly is arranged on the sliding rails in a sliding mode.

6. The underilluminated optical inspection mechanism according to claim 1, wherein: the transmission mechanism comprises a power assembly and two guide rails, an interval for allowing a product to be detected to pass through is arranged between the two guide rails, and the power assembly is used for driving the product to be detected located in the interval to move along the length direction of the guide rails.

7. The underilluminated optical inspection mechanism according to claim 6, wherein: the conveying mechanism further comprises a plate stopping assembly, the plate stopping assembly comprises a plate stopping cylinder and a stop block, the plate stopping cylinder is installed on the outer side of one of the guide rails, a piston rod of the plate stopping cylinder stretches into the gap in a protruding mode, and the stop block is installed on the piston rod of the plate stopping cylinder.

8. The underilluminated optical inspection mechanism according to claim 6, wherein: two guide rails are provided with the fixed establishment that is used for the fixed product that waits to detect respectively, and fixed establishment includes lift cylinder and pushes down the piece, and the lift cylinder is installed in the guide rail, and the piece that pushes down is installed in the piston rod of lift cylinder, and the lift cylinder is used for driving to push down the piece and descend to wait to detect the product in the interval with pressing down the fixed product that waits.

9. The underilluminated optical inspection mechanism according to claim 6, wherein: one of the guide rails is connected with a width adjusting mechanism, and the width adjusting mechanism is used for adjusting the width between the two guide rails.