CN214011075U

CN214011075U - Engine surface defect detection device

Info

Publication number: CN214011075U
Application number: CN202023224555.4U
Authority: CN
Inventors: 张大雷; 邹江; 王勇; 王志强; 何力
Original assignee: Suzhou Milo Intelligent Systems Co ltd
Current assignee: Suzhou Milo Intelligent Systems Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-20
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to an engine surface defect detection device, it includes the light-resistant room of detecting, passes the light-resistant indoor portion the delivery track and with delivery track sliding connection's motion slide, the light-resistant indoor portion of detecting still is provided with the robot, the robot has a robotic arm, two industry cameras of the terminal symmetry installation of robotic arm, the inside rotation of light-resistant room of detecting is equipped with a plurality of luminescent panels, and is a plurality of the luminescent panel set up respectively in the light-resistant roof of detecting the room, inner wall all around. The utility model avoids the interference of the environment light to the inside of the light-proof detection chamber by arranging the light-proof detection chamber; through the roof at light-resistant detection room, inner wall sets up a plurality of luminescent panels all around, produces no shadow light, is favorable to the industry camera to clearly shoot to the engine surface.

Description

Engine surface defect detection device

Technical Field

The utility model relates to an industrial automation detection area, in particular to engine surface defect detection device.

Background

The surface defects of the turbine shell of the automobile engine are important factors influencing the anti-fatigue strength of the product and the assembly and use of the product, and the surface defects of the turbine shell product are still detected by a manual off-line method in the prior art, so that the detection efficiency is low, the labor intensity of workers is high, and the false detection is particularly easy to generate. Many experts engaged in intelligent detection technical research at home and abroad try to solve the problem of surface defect detection of the mechanical parts with the complex profiles by various means, but the ideal effect is not achieved all the time.

Chinese patent publication No. CN107741427A discloses a machine vision inspection device and method for surface defects of turbine shells of automobile engines, the device comprises an industrial camera, a combined light source system, a moving workbench, a main control system and a display, wherein a turbine shell workpiece is positioned and installed on a one-dimensional moving workbench through a special fixture during detection, the workpiece moves to each detection station along the workbench in a straight line, the combined light source system respectively adopts a bright field illumination mode and a dark field illumination mode to polish the workpiece, the industrial camera acquires a surface defect image of the workpiece and transmits the image to the main control system, the main control system calls different defect detection modules to determine the position, the type and the scale of the surface defect, and the qualification judgment result is given, so that the automatic detection of the surface defects of the turbine shell product of the automobile engine is realized, the detection precision and efficiency are improved, and the industrial labor cost is greatly reduced. But the defects are that the interference influence of the ambient light on the surface defect image of the workpiece collected by the industrial camera cannot be avoided, and the illumination light source cannot be ensured to be constant.

Therefore, it is desirable to provide an engine surface defect detecting device to solve the above problems of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an engine surface defect detection device to solve the interference influence that can not avoid ambient light to gather work piece surface defect image, can not guarantee the invariable problem of light source of illumination of prior art existence.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an engine surface defect detection device, its includes the light-resistant room of detecting, passes the inside delivery track of light-resistant room of detecting and with delivery track sliding connection's motion slide, the light-resistant room of detecting still is provided with the robot, the robot has a robotic arm, two industry cameras of the terminal symmetry installation of robotic arm, the inside rotation of light-resistant room of detecting is equipped with a plurality of luminescent panels, and is a plurality of the luminescent panel set up respectively in the light-resistant roof of detecting the room, inner wall all around.

The light-resistant detection chamber is formed by enclosing a supporting frame and a plurality of light shielding plates.

The light-resistant detection chamber comprises two first side walls which are parallel to each other and two second side walls which are parallel to each other, the first side walls and the second side walls enclose the periphery of the light-resistant detection chamber, supporting beams are arranged on the first side walls and the second side walls and fixed on the supporting frames, and the light-emitting panel is connected with the supporting beams through panel supports.

The panel support include with supporting beam fixed connection's fixed plate, vertical fixation are in the connecting plate at fixed plate both ends, the regulation hole has been seted up to the connecting plate front end, the regulation hole whole be to the inboard sunken semi-circular structure of connecting plate, the connecting plate front end still is equipped with circular fixed orifices, the fixed orifices is in the centre of a circle position of regulation hole, the luminescent panel both sides all are equipped with the connecting strip, vertical direction is equidistant to be equipped with three circular connecting hole on the connecting strip, middle the connecting hole with fixed orifices is aimed at, both sides the connecting hole with the adjusting orifice is aimed at and is all passed through the fix with screw.

Two the first side wall is equipped with four luminescent panels, and four the center of luminescent panel connects into square or rectangle or rhombus, two the second side wall is equipped with two luminescent panels, two the luminescent panel symmetry sets up.

Four light-emitting panels are arranged on the top wall of the light-shading detection chamber, and the centers of the four light-emitting panels are connected into a square, a rectangle or a rhombus.

Compared with the prior art, the beneficial effects of the utility model are that: by arranging the light-proof detection chamber, the interference of ambient light to the inside of the light-proof detection chamber is avoided; the top wall and the peripheral inner wall of the light-shading detection chamber are provided with the plurality of light-emitting panels to generate shadowless light, so that an industrial camera can clearly take pictures of the surface of the engine; through seting up semi-circular regulation hole at the connecting plate front end, the luminescent panel is equipped with the connecting strip, is equipped with three circular connecting hole on the connecting strip, adjusts the position of luminescent panel as needs, loosens the screw, and the luminescent panel is around the rotatory certain angle of fixed orifices, and one of them connecting hole aligns and passes through the fix with screw with the regulation hole, is convenient for adjust the rotation angle of luminescent panel, and fixed mode is nimble.

Drawings

FIG. 1 is a schematic structural view of the engine surface defect detecting device of the present invention;

FIG. 2 is a schematic view of the light-shielding detection chamber and the light-emitting panel in FIG. 1;

FIG. 3 is a schematic view of the structure of the light-emitting panel and panel support of FIG. 2;

FIG. 4 is an enlarged view of the area A in FIG. 3;

fig. 5 is an enlarged structural diagram of a region B in fig. 3.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 to 5, the utility model relates to an engine surface defect detecting device, it includes light-resistant room 10, pass light-resistant room 10 inside delivery track 101 and with delivery track 101 sliding connection's motion slide 102, light-resistant room 10 inside still is provided with robot 20, robot 20 has a robotic arm 21, two industrial camera 30 of robotic arm 21 end symmetry installation, light-resistant room 10's inside rotation is equipped with a plurality of luminescent panels 11, a plurality of luminescent panels 11 set up respectively in light-resistant room 10's roof, inner wall all around.

The light-shielding detection chamber 10 is enclosed by a support frame 12 and a plurality of light shielding plates 13.

Referring to fig. 2, the light-shielding detection chamber 10 includes two first side walls 14 parallel to each other and two second side walls 15 parallel to each other, and the two first side walls 14 and the two second side walls 15 enclose the periphery of the light-shielding detection chamber 10.

In this embodiment, the two first side walls 14 are provided with four light-emitting panels 11, and the centers of the four light-emitting panels 11 are connected to form a square, and in other embodiments, the centers of the four light-emitting panels 11 are connected to form a rectangle or a diamond. The two second side walls 15 are provided with two light-emitting panels 11, the two light-emitting panels 11 being arranged symmetrically.

In this embodiment, four light-emitting panels 11 are disposed on the top wall of the light-shielding detection chamber 10, the centers of the four light-emitting panels 11 are connected to form a square, and in other embodiments, the centers of the four light-emitting panels 11 are connected to form a rectangle or a diamond.

Of course, the number of the light-emitting panels 11 and the arrangement of the plurality of light-emitting panels 11 may be increased or decreased as appropriate according to the size of the space in the light-shielding detection chamber 10.

Referring to fig. 2, the first and

second sidewalls

14 and 15 are each provided with a support beam 141 fixed to the support frame 12, and the light-emitting panel 11 is connected to the support beam 141 by the panel bracket 16. Referring to fig. 3 and 5, the panel bracket 16 includes a fixing plate 161 fixedly connected to the supporting beam 141, and a connecting plate 162 vertically fixed to both ends of the fixing plate 161, wherein an adjusting hole 1621 is formed at a front end of the connecting plate 162, the adjusting hole 1621 is integrally a semicircular structure recessed toward an inner side of the connecting plate 162, a circular fixing hole 1622 is further formed at a front end of the connecting plate 162, and the fixing hole 1622 is located at a center of the adjusting hole 1621.

Referring to fig. 4, the light emitting panel 11 is provided with connecting strips 111 at both sides, three circular connecting holes 1111 are provided at equal intervals in the vertical direction on the connecting strips 111, the middle connecting hole 1111 is aligned with the fixing hole 1622, and the connecting holes 1111 at both sides are aligned with the adjusting hole 1621 and fixed by screws.

The robot 20 includes a robot main body 22, and the robot arm 21 rotates around the robot main body 22. The robot main body 22 is provided with a sensor for detecting whether the engine to be detected is in place in the light-shielding detection chamber 10, when the engine is detected, the robot main body 22 controls the mechanical arm 21 to switch among a plurality of surfaces of the engine to be detected, and drives the two industrial cameras 30 to shoot and analyze the plurality of surfaces of the engine to be detected one by one.

The utility model avoids the interference of the ambient light to the inner part of the light-proof detection chamber 10 by arranging the light-proof detection chamber 10; the light-free detection chamber 10 is provided with the light-emitting panels 11 on the top wall and the inner walls at the periphery thereof to generate shadowless light, so that the industrial camera 30 can clearly take pictures of the surface of the engine; through seting up semi-circular regulation hole 1621 at connecting plate 162 front end, luminescent panel 11 is equipped with connecting strip 111, is equipped with three circular connecting hole 1111 on the connecting strip 111, adjusts the position of luminescent panel 11 as needs, loosens the screw, and luminescent panel 11 is around the certain angle of fixed orifices 1622 rotation, and one of them connecting hole 1111 aligns and passes through the fix with screw with regulation hole 1621, is convenient for adjust the rotation angle of luminescent panel 11, and fixed mode is nimble.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An engine surface defect detection device characterized in that: it includes the light-resistant room, passes the inside delivery track of light-resistant room and with delivery track sliding connection's motion slide, the light-resistant room inside still is provided with the robot, the robot has a robotic arm, two industry cameras of the terminal symmetry installation of robotic arm, the inside rotation of light-resistant room is equipped with a plurality of luminescent panels, and is a plurality of the luminescent panel set up respectively in the light-resistant roof that detects the room, inner wall all around.

2. The engine surface defect detecting apparatus according to claim 1, characterized in that: the light-resistant detection chamber is formed by enclosing a supporting frame and a plurality of light shielding plates.

3. The engine surface defect detecting apparatus according to claim 2, characterized in that: the light-resistant detection chamber comprises two first side walls which are parallel to each other and two second side walls which are parallel to each other, the first side walls and the second side walls enclose the periphery of the light-resistant detection chamber, supporting beams are arranged on the first side walls and the second side walls and fixed on the supporting frames, and the light-emitting panel is connected with the supporting beams through panel supports.

4. The engine surface defect detecting apparatus according to claim 3, characterized in that: the panel support include with supporting beam fixed connection's fixed plate, vertical fixation are in the connecting plate at fixed plate both ends, the regulation hole has been seted up to the connecting plate front end, the regulation hole whole be to the inboard sunken semi-circular structure of connecting plate, the connecting plate front end still is equipped with circular fixed orifices, the fixed orifices is in the centre of a circle position of regulation hole, the luminescent panel both sides all are equipped with the connecting strip, vertical direction is equidistant to be equipped with three circular connecting hole on the connecting strip, middle the connecting hole with fixed orifices is aimed at, both sides the connecting hole with the adjusting orifice is aimed at and is all passed through the fix with screw.

5. The engine surface defect detecting apparatus according to claim 3, characterized in that: two the first side wall is equipped with four luminescent panels, and four the center of luminescent panel connects into square or rectangle or rhombus, two the second side wall is equipped with two luminescent panels, two the luminescent panel symmetry sets up.

6. The engine surface defect detecting apparatus according to claim 5, characterized in that: four light-emitting panels are arranged on the top wall of the light-shading detection chamber, and the centers of the four light-emitting panels are connected into a square, a rectangle or a rhombus.