CN220419181U - Full-automatic camera imaging and collecting device for automobile paint detection - Google Patents

Abstract

The utility model discloses a full-automatic camera imaging and collecting device for detecting an automobile paint surface, which comprises an imaging projection screen, a camera imaging assembly and a mechanical arm assembly, wherein the camera imaging assembly comprises a plurality of vision cameras and a plurality of lenses, and the imaging projection screen is used for forming a matched image collecting unit with the camera imaging assembly; the image acquisition unit is connected with the mechanical arm assembly and is moved by the mechanical arm assembly to finish detection of the vehicle body to be detected. The utility model has the advantages of simple structure, simple and convenient operation, good motion controllability, large degree of freedom, high control precision and the like.

Description

Full-automatic camera imaging and collecting device for automobile paint detection

Technical Field

The utility model mainly relates to the technical field of automobile body production and manufacturing, in particular to a full-automatic camera imaging and collecting device for automobile paint detection.

Background

Specular objects are widely found in modern manufacturing industries, such as automotive painted bodies, aircraft painted bodies, electronic display surface glass panels, and the like. The surface of a mirror object generally has protective, attractive and functional effects, and generally has higher quality requirements.

At present, the surface defect detection of the mirror surface object mostly adopts a manual visual method. The method has the problems of high omission ratio, low detection efficiency of the manual visual method, large damage to human eyes and high labor cost. Especially for the automobile paint detection field.

The practitioner has proposed the full-automatic device to car paint surface detection technique, but current device has multiple problems, if camera lens support structural design is unreasonable leads to camera lens demarcation time overlength, and mechanical arm terminal structural design is unreasonable leads to the mechanical arm to be used in multiple directions rotation, or flange mounted position is unreasonable leads to the problem such as mechanical arm movable range reduction.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: aiming at the technical problems existing in the prior art, the utility model provides the full-automatic camera imaging and collecting device for the automobile paint detection, which has the advantages of simple structure, simple and convenient operation, good motion controllability, large degree of freedom and high control precision.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the full-automatic camera imaging and collecting device for automobile paint detection comprises an imaging projection screen, a camera imaging assembly and a mechanical arm assembly, wherein the camera imaging assembly comprises a plurality of vision cameras and a plurality of lenses, and the imaging projection screen is used for being matched with the camera imaging assembly to form an image collecting unit; the image acquisition unit is connected with the mechanical arm assembly and driven by the mechanical arm assembly to finish detection of the vehicle body to be detected.

As a further improvement of the process of the utility model: the camera imaging assembly further comprises a plurality of adjustable turrets, the vision camera and the lens are arranged on the adjustable turrets, and the adjustable turrets can perform rotary motion in at least one dimension.

As a further improvement of the process of the utility model: the adjustable rotary table is connected with a driving component, and the driving component is configured to drive the adjustable rotary table to perform rotary motion; or the adjustable turret is configured to be manually adjusted for a turning motion.

As a further improvement of the process of the utility model: the adjustable rotary table comprises a first rotary table, a second rotary table and a horizontal adjusting unit, wherein the horizontal adjusting unit comprises a guide rail and a sliding block, and the second rotary table is arranged on the guide rail through the sliding block.

As a further improvement of the process of the utility model: the rotation plane of the first rotary table and the rotation plane of the second rotary table have an included angle.

As a further improvement of the process of the utility model: the full-automatic camera imaging and collecting device for detecting the paint surface of the automobile further comprises a flange connection unit, and the flange connection unit is connected with the image collecting unit and the mechanical arm assembly.

As a further improvement of the process of the utility model: the flange connection unit comprises a flange base and a flange bracket which are connected with each other, the image acquisition unit further comprises a camera bracket plate, the camera bracket plate is provided with an imaging projection screen and a camera imaging assembly, the flange base is connected with the end part of the mechanical arm assembly, and the flange bracket is connected with the camera bracket plate.

As a further improvement of the process of the utility model: the flange bracket is provided with a connecting angle plate.

As a further improvement of the process of the utility model: the flange base and the flange bracket adopt T-shaped connecting structures.

As a further improvement of the process of the utility model: the plurality of vision cameras and the plurality of lenses are a plurality of vision cameras of the same type and a plurality of lenses of the same type.

Compared with the prior art, the utility model has the advantages that:

1. the full-automatic camera imaging and collecting device for detecting the paint surface of the automobile, disclosed by the utility model, has the advantages that the image collecting unit is fixedly connected with the mechanical arm component, the mechanical arm component is utilized to carry the motion so as to finish the detection of the automobile body to be detected, the whole motion controllability is good, the degree of freedom is large, and the control precision is high.

2. The full-automatic camera imaging and collecting device for automobile paint detection adopts the adjustable rotary table, can complete real-time adjustment of the movement range and a plurality of movement dimensions of the mechanical arm assembly by using the adjustable rotary table, and has high adjustment precision and very simple and convenient operation.

3. According to the full-automatic camera imaging and collecting device for automobile paint surface detection, the camera imaging assembly is connected to the side face of the flange connection unit, so that the freedom degree of the mechanical arm assembly when scanning an object to be detected can be guaranteed when the mechanical arm assembly moves along with the camera imaging assembly, and the whole camera imaging assembly and the flange connection unit can not collide with the camera imaging assembly to form interference when the mechanical arm assembly moves in multiple degrees of freedom. .

Drawings

Fig. 1 is a schematic view of the structural principle of the present utility model.

Fig. 2 is a schematic structural diagram of an adjustable turntable in a specific application example of the present utility model.

Fig. 3 is a schematic structural diagram of a flange connection unit in a specific application example of the present utility model.

Fig. 4 is a schematic diagram illustrating connection between a flange bracket unit and a robot arm assembly in a specific application example of the present utility model.

Legend description:

1. imaging a projection screen; 2. a camera imaging assembly; 3. a robotic arm assembly; 5. an adjustable turret; 501. a first rotary table; 502. a second rotary table; 503. a level adjustment unit; 6. a camera support plate; 7. a flange connection unit; 701. a flange base; 702. a flange bracket; 703. and connecting the angle plates.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific examples.

In the description of the present application, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

As shown in fig. 1-4, the full-automatic camera imaging and collecting device for automobile paint detection comprises an imaging projection screen 1, a camera imaging assembly 2 and a mechanical arm assembly 3, wherein the camera imaging assembly 2 comprises a plurality of vision cameras and a plurality of lenses, and the imaging projection screen 1 is used for forming a matched image collecting unit with the camera imaging assembly 2; the image acquisition unit is connected with the mechanical arm assembly 3 and is carried by the mechanical arm assembly 3 to complete detection of the vehicle body to be detected. The whole motion has good controllability, large degree of freedom and high control precision.

In a specific application example, the plurality of vision cameras and the plurality of lenses are a plurality of vision cameras of the same type and a plurality of lenses of the same type.

In a specific application example, the imaging projection screen 1 is connected and fixed with the assembled lenses of a plurality of cameras (such as two, four and six) through a connecting piece, and the fixed mechanical arm and the paint imaging acquisition component are connected to form a whole, so that the whole is controlled by the mechanical arm controller.

In a specific application example, the mechanical arm assembly 3 comprises an adjustable rotary table 5, and the adjustable rotary table 5 can be adjusted in an automatic rotary adjustment manner, namely, by adopting a rotary motor for driving; alternatively, a manual rotation adjustment mode, that is, a precise scale is included, and the manual adjustment can be performed by matching the scale manually.

As shown in fig. 2 and 3, as a preferred application example, the manually adjustable turntable 5 in this example includes a first turntable 501, a second turntable 502, and a horizontal adjustment unit 503, the horizontal adjustment unit 503 includes a guide rail and a slider, and the second turntable 502 is mounted on the guide rail through the slider and can move along the guide rail to achieve horizontal or vertical adjustment. The rotation directions of the first rotary table 501 and the second rotary table 502 are different, so that the direction adjustment of two different dimensions is realized. The first turntable 501 and the second turntable 502 are provided with accurate scale values for identifying the rotation angle. The rotation plane of the first rotary table 501 and the rotation plane of the second rotary table 502 have an included angle. In this example, one rotates in a vertical plane and the other rotates in a horizontal plane, so that the first turntable 501 can be operated to perform angle adjustment in the vertical direction, the second turntable 502 can be operated to perform angle adjustment in the horizontal direction, and the horizontal adjusting unit 503 can be operated to adjust the horizontal position of the camera lens device by sliding left and right. By adopting the design of the utility model, the calibration precision of the imaging acquisition equipment can be conveniently adjusted by adopting the structure, and the accurate scale can be directly transplanted from the simulation system to the actual system through the digital twin system.

As shown in fig. 1, 3 and 4, in a specific application example, the camera imaging assembly 2 is connected with the mechanical arm assembly 3 through the flange connection unit 7, in this example, the flange connection unit 7 includes a flange base 701, a flange bracket 702 and a connection angle plate 703, the flange base 701 is used for being connected with an end portion of the mechanical arm assembly 3, the flange bracket 702 is connected with the flange base 701 to form an extension portion for fixing the camera imaging assembly 2, a camera bracket plate is disposed on the flange bracket 702, and the connection angle plate 703 is mounted on the flange bracket 702 to play a role of a reinforcing rib. The camera imaging assembly 2 is connected to the side surface of the flange connection unit 7, so that the degree of freedom of the mechanical arm assembly 3 when the mechanical arm assembly 2 moves to finish scanning an object to be detected can be guaranteed, and the whole camera imaging assembly 2 and the flange connection unit 7 can not collide with the camera imaging assembly 2 when the mechanical arm assembly 3 moves in multiple degrees of freedom, so that interference is formed. Meanwhile, in order to increase the bearing area of the mechanical arm assembly 3, the flange base 701 adopts a circular structure, the flange base 701 and the connection bracket formed by the flange base 702 and the flange bracket 702 adopt a T-shaped structure, and the connection angle plate 703 is used for improving the safety performance and the fixing capability of the whole device. Correspondingly, the bearing of the mechanical arm assembly 3 adopts a cylindrical design, which is beneficial to the stable structure and the increase of the bearing weight.

Working principle: after the structure of the utility model is adopted, a whole set of deflection camera system which can move within a specified range is formed, and then the deflection camera system can image the paint surface of the specified position of the paint surface of the vehicle on the detection station through the control of the mechanical arm controller of the mechanical arm assembly 3. The industrial personal computer signal triggers the projection of the horizontal and vertical sinusoidal stripes to the appointed paint surface position, the imaging acquisition system is used for further projecting the stripes Zhang Caiji one by one, the imaging of the appointed paint surface area is completed according to the deflection imaging principle and the image processing unit, and the data of the vehicle paint surface are obtained. Regarding the imaging and image capturing principles of the segregation camera and the control mode of the mechanical arm controller, the scheme in the prior art can be directly adopted, which is not a key innovation point of the utility model, and is not repeated here, only the whole set of structural form is emphasized and protected.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the utility model without departing from the principles thereof are intended to be within the scope of the utility model as set forth in the following claims.

Claims (10)

1. The full-automatic camera imaging and collecting device for automobile paint detection is characterized by comprising an imaging projection screen (1), a camera imaging assembly (2) and a mechanical arm assembly (3), wherein the camera imaging assembly (2) comprises a plurality of vision cameras and a plurality of lenses, and the imaging projection screen (1) is used for being matched with the camera imaging assembly (2) to form an image collecting unit; the image acquisition unit is connected with the mechanical arm assembly (3) and driven by the mechanical arm assembly (3) to finish detection of the vehicle body to be detected.

2. The full-automatic camera imaging and collecting device for automotive paint detection according to claim 1, characterized in that the camera imaging assembly (2) further comprises a plurality of adjustable turrets (5), the vision camera and the lens are arranged on the adjustable turrets (5), and the adjustable turrets (5) are capable of performing a gyrating motion in at least one dimension.

3. The full-automatic camera imaging and acquisition device for automotive paint detection according to claim 2, characterized in that the adjustable turret (5) is connected with a driving member configured to drive the adjustable turret (5) in a rotary motion; or the adjustable turret (5) is configured to be manually adjusted for a gyrating motion.

4. A full-automatic camera imaging and collecting device for automotive paint detection according to claim 2 or 3, characterized in that the adjustable turntable (5) comprises a first turntable (501), a second turntable (502) and a horizontal adjustment unit (503), the horizontal adjustment unit (503) comprises a guide rail and a slide block, and the second turntable (502) is mounted on the guide rail by the slide block.

5. The full-automatic camera imaging and collection device for automotive paint surface detection according to claim 4, wherein the rotation plane of the first rotary table (501) and the rotation plane of the second rotary table (502) have an included angle.

6. The full-automatic camera imaging and collecting device for automobile paint detection according to claim 1, further comprising a flange connection unit (7), wherein the flange connection unit (7) connects the image collecting unit and the mechanical arm assembly (3).

7. The full-automatic camera imaging and collecting device for automobile paint detection according to claim 6, wherein the flange connection unit (7) comprises a flange base (701) and a flange bracket (702) which are connected with each other, the image collecting unit further comprises a camera bracket plate (6), the camera bracket plate (6) is provided with the imaging projection screen (1) and the camera imaging assembly (2), wherein the flange base (701) is connected with the end part of the mechanical arm assembly (3), and the flange bracket (702) is connected with the camera bracket plate (6).

8. The full-automatic camera imaging and collecting device for automotive paint detection according to claim 7, characterized in that the flange bracket (702) is provided with a connecting gusset (703).

9. The full-automatic camera imaging and collecting device for automobile paint detection according to claim 7, wherein the flange base (701) and the flange bracket (702) adopt a T-shaped connection structure.

10. The full-automatic camera imaging and capturing device for automotive paint detection according to claim 1, wherein the plurality of vision cameras and the plurality of lenses are a plurality of same type vision cameras and a plurality of same type lenses.