CN216718231U

CN216718231U - Visual inspection machine of inner chamber

Info

Publication number: CN216718231U
Application number: CN202122568238.2U
Authority: CN
Inventors: 郑长文; 高久平
Original assignee: Dongguan Mayor Zhiguang Vision Technology Co ltd
Current assignee: Dongguan Mayor Zhiguang Vision Technology Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-06-10
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a visual inspection machine for an inner cavity, which comprises a rack, a feeding mechanism, a discharging mechanism, a material taking manipulator, an inner wall inspection mechanism and a bottom inspection mechanism, wherein a turntable is arranged in the middle of the rack, and a plurality of jig sleeves are arranged at the edge of the turntable; the inner wall detection mechanism comprises a first module bracket, a first adjusting sliding table, an inner wall detection camera and a first tubular lens, wherein a first mirror surface is obliquely arranged at the lower end of the first tubular lens; the bottom detection mechanism comprises a second module support, a second adjusting sliding table, a bottom detection camera and a second tubular lens, and a second mirror surface is horizontally arranged at the lower end of the second tubular lens. The visual inspection machine of the inner cavity respectively shoots and images the inner cavity through the inner wall detection mechanism and the bottom detection mechanism, the system acquires inner cavity image information of a product, and the back end adopts an AI software algorithm to process the acquired image information, so that the defect of the inner cavity is judged, and the detection rate of the small defect is remarkably improved.

Description

Visual inspection machine of inner chamber

Technical Field

The utility model relates to the technical field of visual inspection, in particular to a visual inspection machine for an inner cavity.

Background

The machine vision is mainly used for simulating the vision function of a human by a computer, an image shot by a camera is converted into a digital image signal, required information is obtained in the image signal by utilizing software of a rear-end computer, and correct calculation and judgment are made.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the utility model provides a visual inspection machine of inner chamber for solve the problem that prior art exists.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a visual inspection machine for an inner cavity comprises a rack, a feeding mechanism, a discharging mechanism, a material taking mechanical arm, an inner wall detection mechanism and a bottom detection mechanism, wherein the feeding mechanism and the discharging mechanism are respectively positioned on two sides of the rack;

the inner wall detection mechanism comprises a first module support, a first adjusting sliding table, an inner wall detection camera and a first tubular lens, the first adjusting sliding table slides on the first module support along the vertical direction, the inner wall detection camera is fixed above the first adjusting sliding table, the upper end of the first tubular lens is connected to the inner wall detection camera, and a first mirror surface is obliquely arranged at the lower end of the first tubular lens;

bottom detection mechanism includes second module support, second regulation slip table, bottom detection camera and second tubulose camera lens, the second is adjusted the slip table and is slided along vertical direction on the second module support, the bottom detection camera is fixed the top of slip table is adjusted to the second, the upper end of second tubulose camera lens is connected bottom detection camera, the lower extreme horizontally mounted of second tubulose camera lens has the second mirror surface.

As a preferred technical scheme, a first linear module and a first motor are arranged on the first module bracket, the first motor is in transmission connection with the first linear module, and the first adjusting sliding table is fixed on the movable end of the first linear module;

the second module bracket is provided with a second linear module and a second motor, the second motor is in transmission connection with the second linear module, and the second adjusting sliding table is fixed on the movable end of the second linear module.

As a preferred technical scheme, a first back plate is mounted on the first adjusting sliding table, the inner wall detection camera is located at the upper end of the first back plate, a first camera cover is fixed on the first back plate, the first tubular lens is located inside the first camera cover, and the lower end of the first camera cover is connected with the first lens cover;

the second adjusting sliding table is provided with a second back plate, the bottom detection camera is located at the upper end of the second back plate, a second camera cover is fixed on the second back plate, the second tubular lens is located inside the second camera cover, and the lower end of the second camera cover is connected with a second lens cover.

As a preferred technical scheme, still be provided with terminal surface detection mechanism in the frame, terminal surface detection mechanism includes camera bracing piece, terminal surface camera and calotte light source, the camera bracing piece is fixed in the frame, the terminal surface camera is fixed the top of camera bracing piece, the light source fixed plate is installed to the lower extreme of camera bracing piece, the calotte light source is fixed on the light source fixed plate.

As a preferred technical scheme, the lower extreme of carousel is installed and is changeed the material motor, change the drive end of material motor with the tool cover is connected, still install magnet on the tool cover.

As a preferred technical scheme, a turntable motor is arranged at the lower end of the rack, a rotating shaft is connected to the driving end of the turntable motor, an electric slip ring is sleeved on the outer side of the rotating shaft, and the upper end of the rotating shaft is connected with the middle of the turntable.

As a preferred technical scheme, a feeding belt and a feeding motor are arranged on the feeding mechanism, and the feeding motor drives the feeding belt to rotate; and the discharging mechanism is provided with a discharging belt and a discharging motor, and the discharging motor drives the discharging belt to rotate.

As an optimal technical scheme, the reclaimer manipulator includes the third sharp module, gets material mounting panel, horizontal cylinder, vertical cylinder and pneumatic clamping jaw, it installs to get the material mounting panel the activity of third sharp module is served, horizontal cylinder fixes it is served to get on the material mounting panel, vertical cylinder fixes on the drive end of horizontal cylinder, pneumatic clamping jaw is fixed serve on the drive of vertical cylinder.

As an optimal technical scheme, still be provided with defective products receiving agencies in the frame, defective products receiving agencies is including receiving material belt track, receiving material motor and receiving the material chamber, receive the material chamber and be in receive on the material belt track, receive the material motor with receive belt drive between the material belt track and connect, the end in receiving the material chamber is provided with receives the material baffle, one side in receiving the material chamber is provided with the cavity cylinder, the top in receiving the material chamber articulates there is the upper cover plate, the drive end of cavity cylinder inserts one side of upper cover plate.

As a preferred technical scheme, a detection optical fiber is arranged on one side of the turntable and fixed on the rack.

The utility model has the beneficial effects that: the visual inspection machine of the inner cavity is used for shooting and imaging the inner cavity through the inner wall detection mechanism and the bottom detection mechanism respectively, the system acquires inner cavity image information of a product, and the rear end adopts an AI software algorithm to process the acquired image information, so that the defect of the inner cavity is judged, and the detection rate of the micro defect is remarkably improved.

Drawings

The utility model is explained in more detail below with reference to the figures and examples.

FIG. 1 is a perspective view of an embodiment of an internal chamber inspection machine;

FIG. 2 is a schematic structural diagram of a detection position in the machine for visually inspecting an inner cavity according to the embodiment;

FIG. 3 is a schematic structural diagram of a feeding mechanism and a discharging mechanism according to an embodiment;

FIG. 4 is a schematic structural diagram of an end face detection mechanism according to an embodiment;

FIG. 5 is a first structural diagram of an inner wall detection mechanism and a bottom detection mechanism according to an embodiment;

FIG. 6 is a second structural diagram of the inner wall detection mechanism and the bottom detection mechanism according to the embodiment;

FIG. 7 is a schematic structural diagram of a turntable position according to an embodiment;

FIG. 8 is a schematic structural view of a material extraction robot according to an embodiment;

fig. 9 is a schematic structural view of the defective product receiving mechanism according to the embodiment.

In fig. 1 to 9:

1. a feeding mechanism; 101. a feeding belt; 102. a feeding motor;

2. a discharging mechanism; 201. a discharge belt; 202. a discharging motor;

3. a material taking manipulator; 301. a third linear module; 302. taking a material mounting plate; 303. a horizontal cylinder; 304. a vertical cylinder; 305. a pneumatic clamping jaw;

4. an inner wall detection mechanism; 401. a first module holder; 402. a first adjusting sliding table; 403. an inner wall detection camera; 404. a first tubular lens; 405. a first linear module; 406. a first motor; 407. a first back plate; 408. a first camera housing; 409. a first lens hood;

5. a bottom detection mechanism; 501. a second module holder; 502. a second adjustment sliding table; 503. a bottom detection camera; 504. a second tubular lens; 505. a second linear module; 506. a second motor; 507. a second back plate; 508. a second camera housing; 509. a second lens hood;

6. an end face detection mechanism; 601. a camera support bar; 602. an end face camera; 603. a dome light source; 604. a light source fixing plate;

7. a defective product receiving mechanism; 701. a receiving belt track; 702. a material receiving motor; 703. a material receiving cavity; 704. a material receiving baffle plate; 705. a cavity cylinder; 706. an upper cover plate;

8. a frame; 9. producing a product; 10. a turntable; 11. a jig sleeve; 12. a material transferring motor; 13. a turntable motor; 14. a rotating shaft; 15. an electrical slip ring; 16. a display screen; 17. a control panel; 18. the optical fiber is detected.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 9, in this embodiment, an inner cavity visual inspection machine includes a frame 8, a feeding mechanism 1, a discharging mechanism 2, a material taking manipulator 3, an inner wall detection mechanism 4, and a bottom detection mechanism 5, where the feeding mechanism 1 and the discharging mechanism 2 are respectively located on two sides of the frame 8, a turntable 10 is disposed in the middle of the frame 8, a plurality of jig sleeves 11 are disposed at the edge of the turntable 10, and the material taking manipulator 3 is movable between the feeding mechanism 1 and the discharging mechanism 2.

Specifically, the feeding mechanism 1 is provided with a feeding belt 101 and a feeding motor 102, and the feeding motor 102 drives the feeding belt 101 to rotate; and a discharging belt 201 and a discharging motor 202 are arranged on the discharging mechanism 2, and the discharging motor 202 drives the discharging belt 201 to rotate.

The rack 8 is also provided with a display screen 16 and a control panel 17, the display screen 16 displays detection images in real time, and the control panel 17 is responsible for controlling the detection process of the rack 8.

The front end is controlled by the feeding motor 102 to drive the feeding belt 101 to drive the product 9 for input, and the rear end is controlled by the discharging motor 202 to drive the discharging belt 201 to drive the product 9 for output.

Product 9 is placed feed mechanism 1 carries out the material loading, reclaimer manipulator 3 snatchs product 9 extremely carousel 10 on the tool cover 11, carousel 10 drives tool cover 11 moves on detecting the station, inner wall detection mechanism 4 with bottom detection mechanism 5 carries out the defect detection respectively the interior bottom and the inside wall of product 9, and finally reclaimer manipulator 3 places intact product 9 ejection of compact mechanism 2 carries out the ejection of compact.

Inner wall detection mechanism 4 includes first module support 401, first regulation slip table 402, inner wall detection camera 403 and first tubular lens 404, first regulation slip table 402 slides along vertical direction on the first module support 401, inner wall detection camera 403 is fixed the top of first regulation slip table 402, the upper end of first tubular lens 404 is connected inner wall detection camera 403, first mirror surface is installed in the lower extreme slope of first tubular lens 404.

Specifically, a first linear module 405 and a first motor 406 are arranged on the first module support 401, the first motor 406 is in transmission connection with the first linear module 405, and the first adjusting sliding table 402 is fixed on a movable end of the first linear module 405.

When the turntable 10 brings the product 9 to the lower side of the inner wall detection camera 403, the first motor 406 controls the first linear module 405 to start working, the first linear module 405 controls the first adjustment sliding table 402 to move downwards to drive the first tubular lens 404 to move downwards to the inside of the product 9, the first mirror surface is arranged through inclination to perform defect detection on the inner wall of the product 9, the inner wall detection camera 403 transmits digital signals to the computer at the rear end for collection and processing, then the first adjustment sliding table 402 controls the first tubular lens 404 to move upwards, and the turntable 10 conveniently moves the detected product 9 to the next detection station.

Bottom detection mechanism 5 includes second module support 501, second regulation slip table 502, bottom detection camera 503 and second tube lens 504, second regulation slip table 502 slides along vertical direction on the second module support 501, bottom detection camera 503 is fixed the top of second regulation slip table 502, the upper end of second tube lens 504 is connected bottom detection camera 503, the lower extreme horizontal installation of second tube lens 504 has the second mirror surface.

Specifically, a second linear module 505 and a second motor 506 are arranged on the second module bracket 501, the second motor 506 is in transmission connection with the second linear module 505, and the second adjusting sliding table 502 is fixed on the movable end of the second linear module 505.

When the rotary disc 10 brings the product 9 to the position below the bottom detection camera 503, the second motor 506 controls the second linear module 505 to start working, the second linear module 505 controls the second adjustment sliding table 502 to move downwards to drive the second tubular lens 504 to move downwards to the inside of the product 9, the second mirror surface horizontally arranged detects the bottom of the product 9, the bottom detection camera 503 transmits digital signals to a rear-end computer for collection and processing, and then the second adjustment sliding table 502 controls the second tubular lens 504 to move upwards, so that the rotary disc 10 can conveniently move the detected product 9 to a discharge station.

Install first backplate 407 on the first regulation slip table 402, inner wall detection camera 403 is located the upper end of first backplate 407, be fixed with first camera cover 408 on the first backplate 407, first tubular lens 404 is located the inside of first camera cover 408, the lower extreme of first camera cover 408 is connected with first lens cover 409.

A second back plate 507 is mounted on the second adjusting sliding table 502, the bottom detection camera 503 is located at the upper end of the second back plate 507, a second camera cover 508 is fixed on the second back plate 507, the second tubular lens 504 is located inside the second camera cover 508, and a second lens cover 509 is connected to the lower end of the second camera cover 508.

The first camera cover 408 and the second camera cover 508 respectively protect the inner wall detection camera 403 and the bottom detection camera 503, and the first lens cover 409 and the second lens cover 509 respectively protect the first tubular lens 404 and the second tubular lens 504.

Still be provided with terminal surface detection mechanism 6 on the frame 8, terminal surface detection mechanism 6 includes camera bracing piece 601, terminal surface camera 602 and dome light source 603, camera bracing piece 601 is fixed on the frame 8, terminal surface camera 602 is fixed the top of camera bracing piece 601, light source fixed plate 604 is installed to the lower extreme of camera bracing piece 601, dome light source 603 is fixed on the light source fixed plate 604.

Before the detection of the inner wall and the bottom of the product 9, the end face of the product 9 needs to be detected, the dome light source 603 performs brightness irradiation on the end face of the product 9, then the end face camera 602 accurately shoots an end face image, and a subsequent computer processes the shot end face data.

The lower extreme of carousel 10 is installed and is changeed material motor 12, the drive end that changes material motor 12 with tool cover 11 is connected, still install magnet on the tool cover 11.

In the detection process, magnet adsorbs fixedly product 9, change material motor 12 control tool cover 11 rotates certain angle, makes things convenient for the lens to can both detect each position in the product 9.

The lower extreme of frame 8 is provided with carousel motor 13, the drive end of carousel motor 13 is connected with pivot 14, the outside cover of pivot 14 has electric slip ring 15, the upper end of pivot 14 with the middle part of carousel 10 is connected.

When the fixture sleeve 11 on the rotary table 10 moves to a suitable station correspondingly, the rotary table motor 13 works to drive the rotary table 10 to rotate through the rotary shaft 14.

Get material manipulator 3 and include third straight line module 301, get material mounting panel 302, horizontal cylinder 303, vertical cylinder 304 and pneumatic clamping jaw 305, it installs to get material mounting panel 302 the activity of third straight line module 301 is served, horizontal cylinder 303 is fixed get on the material mounting panel 302, vertical cylinder 304 is fixed on the drive end of horizontal cylinder 303, pneumatic clamping jaw 305 is fixed on the drive end of vertical cylinder 304.

Furthermore, a detection optical fiber 18 is arranged on one side of the turntable 10, and the detection optical fiber 18 is fixed on the rack 8.

Regardless of whether the product 9 is moved from the feeding mechanism 1 to the turntable 10 or from the turntable 10 to the discharging mechanism 2, the material taking manipulator 3 operates, the third linear module 301 moves in the X-axis direction, the horizontal cylinder 303 moves in the Y-axis direction, the vertical cylinder 304 moves in the Z-axis direction, the pneumatic clamping jaws 305 clamp and grab the outer surface of the product 9, and the operation starts when the detection optical fiber 18 detects the product 9.

Still be provided with defective products receiving agencies 7 on the frame 8, defective products receiving agencies 7 is including receiving material belt track 701, receiving material motor 702 and receiving material chamber 703, receiving material chamber 703 is in receive on the material belt track 701, receiving material motor 702 with receive belt drive between the material belt track 701 and be connected, the end in receiving material chamber 703 is provided with receives material baffle 704, one side in receiving material chamber 703 is provided with cavity cylinder 705, the top in receiving material chamber 703 articulates there is upper cover plate 706, the drive end of cavity cylinder 705 inserts one side of upper cover plate 706.

In the detection process, if any one of the end face, the inner wall or the bottom of the product 9 is found to be defective, the material taking manipulator 3 puts the product 9 into the front end of the material receiving belt rail 701, the material receiving motor 702 controls the material receiving belt rail 701 to rotate, the product 9 is moved to the tail end of the material receiving belt rail 701 and is blocked by the material receiving baffle 704, and when the cavity cylinder 705 contracts, the upper cover plate 706 can be opened, and defective products can be taken away from the upper side.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention and the technical principles used, and any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein should be covered within the protective scope of the present invention.

Claims

1. The visual inspection machine for the inner cavity is characterized by comprising a rack, a feeding mechanism, a discharging mechanism, a material taking mechanical arm, an inner wall detection mechanism and a bottom detection mechanism, wherein the feeding mechanism and the discharging mechanism are respectively positioned on two sides of the rack;

2. The visual inspection machine of an inner cavity of claim 1, wherein a first linear module and a first motor are arranged on the first module bracket, the first motor is in transmission connection with the first linear module, and the first adjusting sliding table is fixed on a movable end of the first linear module;

the second module support is provided with a second linear module and a second motor, the second motor is in transmission connection with the second linear module, and the second adjusting sliding table is fixed to the movable end of the second linear module.

3. The visual inspection machine for the inner cavity according to claim 1, wherein a first back plate is mounted on the first adjusting sliding table, the inner wall detection camera is located at the upper end of the first back plate, a first camera cover is fixed on the first back plate, the first tubular lens is located inside the first camera cover, and a first lens cover is connected to the lower end of the first camera cover;

4. The visual inspection machine of an inner cavity of claim 1, wherein the frame is further provided with an end face detection mechanism, the end face detection mechanism comprises a camera support rod, an end face camera and a dome light source, the camera support rod is fixed on the frame, the end face camera is fixed on the top of the camera support rod, a light source fixing plate is installed at the lower end of the camera support rod, and the dome light source is fixed on the light source fixing plate.

5. The visual inspection machine of an inner cavity according to claim 1, wherein a material transferring motor is installed at the lower end of the rotary table, the driving end of the material transferring motor is connected with the jig sleeve, and a magnet is further installed on the jig sleeve.

6. The machine according to claim 1, wherein a turntable motor is provided at the lower end of the frame, a rotating shaft is connected to the driving end of the turntable motor, an electric slip ring is sleeved on the outer side of the rotating shaft, and the upper end of the rotating shaft is connected to the middle of the turntable.

7. The visual inspection machine of an inner cavity of claim 1, wherein a feeding belt and a feeding motor are arranged on the feeding mechanism, and the feeding motor drives the feeding belt to rotate; and the discharging mechanism is provided with a discharging belt and a discharging motor, and the discharging motor drives the discharging belt to rotate.

8. The machine for visually inspecting an inner cavity according to claim 1, wherein the material taking manipulator comprises a third linear module, a material taking mounting plate, a horizontal cylinder, a vertical cylinder and a pneumatic clamping jaw, the material taking mounting plate is mounted on a movable end of the third linear module, the horizontal cylinder is fixed on the material taking mounting plate, the vertical cylinder is fixed on a driving end of the horizontal cylinder, and the pneumatic clamping jaw is fixed on a driving end of the vertical cylinder.

9. The inner cavity visual inspection machine according to claim 1, wherein a defective product receiving mechanism is further arranged on the machine frame, the defective product receiving mechanism comprises a receiving belt track, a receiving motor and a receiving cavity, the receiving cavity is located on the receiving belt track, the receiving motor is in belt transmission connection with the receiving belt track, a receiving baffle is arranged at the end of the receiving cavity, a cavity cylinder is arranged on one side of the receiving cavity, an upper cover plate is hinged above the receiving cavity, and a driving end of the cavity cylinder is inserted into one side of the upper cover plate.

10. The machine of claim 1, wherein a detection fiber is disposed on one side of the turntable, and the detection fiber is fixed to the frame.