Camera components and appearance inspection equipment

Abstract

The present invention discloses a camera assembly and appearance inspection equipment. The camera assembly includes a bracket, a camera device and an adjustment device. The camera device is used to collect image information of a to-be-inspected part. The adjustment device is arranged on the bracket and includes a first adjustment mechanism and a second adjustment mechanism. The first adjustment mechanism is used to drive the camera device to rotate relative to the bracket around a first axis. The second adjustment mechanism is used to drive the camera device to rotate relative to the bracket around a second axis. One of the first axis and the second axis is parallel to or coincides with the shooting center line of the camera device, and the angle between the first axis and the second axis is non-zero. According to the camera assembly of the present invention, it is convenient to make the camera device have good installation accuracy, which is conducive to improving the detection efficiency and detection accuracy of the detection equipment.

Description

Technical Field

[0001] The present invention relates to the field of detection technology, and in particular to a camera assembly and appearance detection equipment. Background Art

[0002] In the production process of products, defects are usually generated. For this reason, testing equipment is generally used to detect defects in products. In related technologies, testing equipment can perform appearance inspection on the parts to be inspected to identify defects. For example, PCB (printed circuit board) appearance inspection equipment can detect defects encountered in the production process of PCB components through a camera device; however, during the installation of the camera device, due to processing errors and the fasteners for installing the camera device applying a certain pre-tightening force to the camera device, the installation accuracy of the camera device is easily affected, causing the camera device to deviate from the ideal installation state, thereby reducing the detection accuracy of the testing equipment. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a camera assembly, which facilitates the camera device to have good installation accuracy, which is conducive to improving the detection efficiency and detection accuracy of the detection equipment.

[0004] The present invention also provides an appearance inspection device having the above-mentioned camera assembly.

[0005] According to the first aspect of the present invention, the camera assembly includes: a bracket; a camera device, which is used to collect image information of a part to be detected; an adjustment device, which is arranged on the bracket and includes a first adjustment mechanism and a second adjustment mechanism, the first adjustment mechanism is used to drive the camera device to rotate relative to the bracket around a first axis, and the second adjustment mechanism is used to drive the camera device to rotate relative to the bracket around a second axis, one of the first axis and the second axis is parallel to or coincides with the shooting center line of the camera device, and the angle between the first axis and the second axis is non-zero.

[0006] According to the camera assembly of the embodiment of the present invention, by setting the first adjustment mechanism and the second adjustment mechanism, the position and posture of the camera device relative to the part to be inspected can be adjusted to ensure the installation accuracy of the camera device, thereby ensuring that the camera device can obtain complete image information of the part to be inspected, which is beneficial to improving the inspection efficiency and inspection accuracy of the inspection equipment.

[0007] In some embodiments, the adjustment device also includes an adapter frame, the camera device is rotatably mounted on the adapter frame, the first adjustment mechanism directly drives the adapter frame to rotate around the first axis, and the second adjustment mechanism directly drives the camera device to rotate around the second axis relative to the adapter frame; or, the second adjustment mechanism directly drives the adapter frame to rotate around the second axis, and the first adjustment mechanism directly drives the camera device to rotate around the first axis relative to the adapter frame.

[0008] In some embodiments, the camera device has a first matching portion, the first adjustment mechanism directly drives the camera device to rotate, and includes: a first fixing member, the first fixing member is fixed to the adapter frame; a first movable member, the first movable member is disposed on the first fixing member, and can move relative to the first fixing member to drive the camera device to rotate through the first matching portion.

[0009] In some embodiments, the first adjustment mechanism also includes a first reset member, which is disposed on the first fixed member and is respectively abutted and engaged with the first movable member on both circumferential sides of the first mating portion around the first axis. The first reset member pushes the first mating portion toward the first movable member, and the first movable member is threadedly engaged with the first fixed member.

[0010] In some embodiments, the adapter frame has a second mating portion, and the second adjustment mechanism directly drives the adapter frame to rotate, and includes: a second fixing member, which is fixed to the bracket; a second movable member, which is disposed on the second fixing member and can move relative to the second fixing member to drive the adapter frame to rotate through the second mating portion.

[0011] In some embodiments, the second adjustment mechanism also includes a second reset member, which is arranged on the second fixed member and is respectively abutted and engaged with the second movable member on both sides of the circumference of the second mating portion around the second axis. The second reset member pushes the second mating portion toward the second movable member, and the second movable member is threadedly engaged with the second fixed member.

[0012] In some embodiments, the first axis is perpendicular to the second axis, and the first axis coincides with a shooting centerline of the camera device.

[0013] In some embodiments, the camera assembly further includes: a locking device, the locking device including a first locking mechanism and a second locking mechanism, the first locking mechanism is used to lock the first adjustment mechanism, and the second locking mechanism is used to lock the second adjustment mechanism.

[0014] In some embodiments, the adjustment device further includes: a third adjustment mechanism, and the third adjustment mechanism is used to adjust the collection distance between the camera device and the part to be detected.

[0015] According to an embodiment of the second aspect of the present invention, the appearance inspection equipment includes: a conveying component, which is used to convey the part to be inspected along a conveying direction; a camera component, which is the camera component according to the embodiment of the first aspect of the present invention, and is arranged on at least one of the upper and lower sides of the conveying component, one of the first axis and the second axis is parallel to or coincides with the shooting center line of the camera device, and the other is parallel to the conveying direction.

[0016] The appearance inspection device according to the embodiment of the present invention, by adopting the above-mentioned camera assembly, is conducive to improving the inspection efficiency and inspection accuracy of the appearance inspection device.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 is a schematic diagram of a camera assembly according to an embodiment of the present invention;

[0020] Figure 2 yes Figure 1 The enlarged view of the part A shown in the middle circle;

[0021] Figure 3 yes Figure 1 An exploded view of the camera assembly shown in FIG.

[0022] Figure 4 yes Figure 3 An enlarged view of the circled section B;

[0023] Figure 5 yes Figure 1 A cross-sectional view of the camera assembly shown in ;

[0024] Figure 6 yes Figure 5 The enlarged view of the C section circled in the middle;

[0025] Figure 7 yes Figure 1 A partial schematic diagram of the camera device shown in ;

[0026] Figure 8 is a schematic diagram of an appearance inspection device according to an embodiment of the present invention.

[0027] Reference numerals:

[0028] Appearance inspection equipment 100, transmission component 4,

[0029] Camera assembly 2, first axis 2a, second axis 2b,

[0030] Bracket 21, support plate 211, connecting plate 212,

[0031] Camera device 22, first matching portion 22a, shooting center line 22b,

[0032] Adjustment device 23,

[0033] The first adjusting mechanism 231, the first fixing member 2311, the first movable member 2312, the first restoring member 2313,

[0034] The second adjusting mechanism 232, the second fixing member 2321, the second movable member 2322, the second restoring member 2323, the adapter frame 233, the second matching portion 233a, the second matching hole 233b,

[0035] The first adapter plate 2331, the second adapter plate 2332,

[0036] The first bearing 233E, the second bearing 233F, the pivot shaft 233G,

[0037] The third adjustment mechanism 234,

[0038] Locking device 24 , second locking mechanism 242 . DETAILED DESCRIPTION

[0039] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0040] The disclosure below provides many different embodiments or examples to implement different structures of the present invention. In order to simplify the disclosure of the present invention, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present invention. In addition, the present invention can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplicity and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides various specific processes and examples of materials, but those of ordinary skill in the art can be aware of the applicability of other processes and / or the use of other materials.

[0041] Hereinafter, with reference to the accompanying drawings, a camera assembly 2 according to an embodiment of the present invention will be described. The camera assembly 2 can be used in a testing device, and the testing device can be used to perform defect detection on a component to be tested.

[0042] like Figure 1 As shown, the camera assembly 2 includes a bracket 21, a camera device 22 and an adjusting device 23. The camera device 22 is used to collect image information of the part to be detected. The adjusting device 23 is arranged on the bracket 21, and the adjusting device 23 includes a first adjusting mechanism 231 and a second adjusting mechanism 232. The first adjusting mechanism 231 is used to drive the camera device 22 to rotate around the first axis 2a relative to the bracket 21, and the second adjusting mechanism 232 is used to drive the camera device 22 to rotate around the second axis 2b relative to the bracket 21. The angle between the first axis 2a and the second axis 2b is non-zero.

[0043] Among them, Figure 2 As shown, one of the first axis 2a and the second axis 2b is parallel to or coincides with the shooting center line 22b of the camera device 22, so that one of the first axis 2a and the second axis 2b relative to the first adjustment mechanism 231 or the second adjustment mechanism 232 can be used to adjust the posture of the shooting field of view of the camera device 22 relative to the object to be detected, and the other can be used to adjust the position of the shooting field of view relative to the object to be detected.

[0044] For example, when the first axis 2a is parallel to the shooting center line 22b of the camera 22, the first adjustment mechanism 231 can be used to adjust the position and posture of the shooting field of view relative to the part to be detected, and the second adjustment mechanism 232 is used to adjust the position of the shooting field of view relative to the part to be detected. When the second axis 2b is parallel to the shooting center line 22b of the camera 22, the second adjustment mechanism 232 can be used to adjust the position and posture of the shooting field of view relative to the part to be detected, and the first adjustment mechanism 231 is used to adjust the position of the shooting field of view relative to the part to be detected.

[0045] When the first axis 2a coincides with the shooting center line 22b of the camera device 22 (eg Figure 2 and Figure 4 When the second axis 2b coincides with the shooting center line 22b of the camera 22, the second adjustment mechanism 232 can be used to adjust the posture of the shooting field of view relative to the object to be detected, and the first adjustment mechanism 231 is used to adjust the position of the shooting field of view relative to the object to be detected.

[0046] It can be understood that when one of the first axis 2a and the second axis 2b is parallel to the shooting center line 22b, the distance between the above one of the first axis 2a and the second axis 2b and the shooting center line 22b can be specifically set according to actual conditions, for example, it can be set according to the size of the shooting field of view, so that the orthographic projection of the above one of the first axis 2a and the second axis 2b along the shooting direction falls within the shooting field of view.

[0047] Thus, the camera device 22 can be installed on the bracket 21 by the adjusting device 23, and after the camera device 22 is installed or when the camera device 22 is used, the camera device 22 can be adjusted to rotate by the first adjusting mechanism 231 and the second adjusting mechanism 232, so as to adjust the shooting field of the camera device 22 relative to the position and posture of the part to be detected, so that the camera device 22 can shoot the entire part to be detected to obtain complete image information, avoid omission of image information, and help improve detection efficiency. For example, in the process of collecting image information, if the camera device 22 and the part to be detected are relatively moved so that the camera device 22 scans the entire part to be detected, then the first adjusting mechanism 231 and the second adjusting mechanism 232 are convenient for making the position and posture of the shooting field of the camera device 22 match the part to be detected, so as to effectively ensure that the camera device 22 can collect the complete image information of the entire part to be detected.

[0048] For example, in Figure 1 and Figure 8 In the example, the part to be detected may be located below the camera device 22, and the camera device 22 shoots downward to collect image information of the part to be detected. The horizontal direction may include a first direction perpendicular to each other (for example, Figure 1 and Figure 8 , left-right direction) and a second direction (e.g., Figure 1 and Figure 8 The shooting field of view of the camera device 22 may be a long strip structure, the length of which may be greater than the width of the to-be-detected part in the second direction. During the acquisition process, the to-be-detected part may be along the first direction (for example, Figure 8 If the part to be inspected is opposite to the shooting field of view at this time, and the length direction of the long strip structure corresponding to the shooting field of view is parallel to the second direction, each part of the part to be inspected can be effectively made to pass through the shooting field of view of the camera device 22 in sequence, thereby ensuring that the camera device 22 obtains complete image information.

[0049] However, due to processing errors, the fasteners used to install the camera device 22 apply a certain preload to the camera device 22, etc., it is easy to cause the long strip structure corresponding to the camera device 22 shooting field of view to deviate from the above-mentioned ideal state. At this time, the camera device 22 can be driven to rotate by the second adjustment mechanism 232 to adjust the position of the shooting field of view relative to the part to be detected. For example, the second adjustment mechanism 232 can adjust the position of the shooting field of view in the second direction, so that the shooting field of view is relative to the part to be detected, and avoid the shooting field of view and the part to be detected from being misaligned in the second direction, and the camera device 22 is driven to rotate by the first adjustment mechanism 231 to adjust the posture of the shooting field of view relative to the part to be detected, so that the long strip structure corresponding to the shooting field of view rotates to a posture in which its length direction is substantially parallel to the second direction, so that each part of the part to be detected moves in turn along the first direction to pass through the shooting field of view range. Of course, it can also be that the first adjustment mechanism 231 adjusts the position of the shooting field of view relative to the part to be detected, and the second adjustment mechanism 232 adjusts the posture of the shooting field of view relative to the part to be detected.

[0050] According to the camera assembly 2 of the embodiment of the present invention, by setting the first adjustment mechanism 231 and the second adjustment mechanism 232, the position and posture of the camera device 22 relative to the part to be inspected can be adjusted to ensure the installation accuracy of the camera device 22, thereby ensuring that the camera device 22 can obtain complete image information of the part to be inspected, which is beneficial to improving the inspection efficiency and inspection accuracy of the inspection equipment.

[0051] Alternatively, if Figure 2 , Figure 4 and Figure 6 As shown, the first axis 2a is perpendicular to the second axis 2b, that is, no matter how much the first adjustment mechanism 231 and the second adjustment mechanism 232 drive the camera device 22 to rotate, the first axis 2a and the second axis 2b always remain perpendicular, so as to quickly complete the adjustment of the camera device 22.

[0052] Among them, Figure 2 and Figure 4 As shown, the first axis 2a coincides with the shooting center line 22b of the camera device 22, and the first adjustment mechanism 231 can be used to adjust the posture of the shooting field of view relative to the part to be detected, and the second adjustment mechanism 232 is used to adjust the position of the shooting field of view relative to the part to be detected. The first adjustment mechanism 231 will not change the position of the shooting field of view relative to the part to be detected during the adjustment process, and the second adjustment mechanism 232 will not change the posture of the shooting field of view relative to the part to be detected during the adjustment process.

[0053] Of course, when the second axis 2b coincides with the shooting center line 22b of the camera device 22, the second adjustment mechanism 232 can be used to adjust the posture of the shooting field of view relative to the part to be detected, and the first adjustment mechanism 231 is used to adjust the position of the shooting field of view relative to the part to be detected. The second adjustment mechanism 232 will not change the position of the shooting field of view relative to the part to be detected during the adjustment process, and the first adjustment mechanism 231 will not change the posture of the shooting field of view relative to the part to be detected during the adjustment process.

[0054] In some embodiments of the present invention, Figure 2 and Figure 4 As shown, the adjusting device 23 further includes an adapter frame 233, and the camera device 22 is rotatably mounted on the adapter frame 233. For example, the camera device 22 can be rotatably matched with the adapter frame 233 through a bearing.

[0055] For example, the first adjustment mechanism 231 directly drives the adapter 233 to rotate around the first axis 2a, and the second adjustment mechanism 232 directly drives the camera device 22 to rotate around the second axis 2b relative to the adapter 233. Then, the camera device 22 can be directly arranged on the second adjustment mechanism 232 to be driven to rotate by the second adjustment mechanism 232, and the adapter 233 can drive the second adjustment mechanism 232 and the camera device 22 to rotate together. Thus, the connection between the first adjustment mechanism 231, the second adjustment mechanism 232 and the adapter 233 is facilitated, so that the first adjustment mechanism 231 and the second adjustment mechanism 232 can respectively drive the camera device 22 to rotate, so that the rotation of the camera device 22 around the first axis 2a and the rotation around the second axis 2b are independent of each other and do not interfere with each other.

[0056] For another example, the second adjustment mechanism 232 directly drives the adapter 233 to rotate around the second axis 2b, and the first adjustment mechanism 231 directly drives the camera device 22 to rotate around the first axis 2a relative to the adapter 233. Then, the camera device 22 can be directly arranged on the first adjustment mechanism 231 to be driven to rotate by the first adjustment mechanism 231, and the adapter 233 can drive the first adjustment mechanism 231 and the camera device 22 to rotate together. Thus, the connection between the first adjustment mechanism 231, the second adjustment mechanism 232 and the adapter 233 is also facilitated, ensuring that the first adjustment mechanism 231 and the second adjustment mechanism 232 can respectively drive the camera device 22 to rotate.

[0057] Optionally, in Figure 2 and Figure 4In the example, the adapter frame 233 includes a first adapter plate 2331 and a second adapter plate 2332, and one end edge of the first adapter plate 2331 is connected to one end edge of the second adapter plate 2332, so that the adapter frame 233 is roughly formed into an L-shaped structure; the camera device 22 is rotatably matched with the first adapter plate 2331 through a first bearing 233E, and the second adjustment mechanism 232 directly drives the second adapter plate 2332 to rotate around the second axis 2b, and the second adapter plate 2332 can be rotatably matched with the bracket 21 through a pivot shaft 233G, and a second bearing 233F can be provided between the second adapter plate 2332 and the pivot shaft 233G.

[0058] In some embodiments of the present invention, Figure 2 and Figure 4 As shown, the camera device 22 has a first matching portion 22a, the first adjustment mechanism 231 directly drives the camera device 22 to rotate, and the first adjustment mechanism 231 includes a first fixed member 2311 and a first movable member 2312, the first fixed member 2311 is fixed to the adapter 233, the first movable member 2312 is arranged on the first fixed member 2311, and the first movable member 2312 can move relative to the first fixed member 2311 to drive the camera device 22 to rotate through the first matching portion 22a. Therefore, the first adjustment mechanism 231 can drive the camera device 22 to rotate around the first axis 2a relative to the adapter 233.

[0059] Optionally, the camera device 22 may include a camera body and a mounting member, the camera body is fixed to the mounting member, and the first matching portion 22a is formed on the mounting member or the camera body. The camera body may be a camera, and the camera has a lens, which can scan the object to be inspected to collect image information.

[0060] In some embodiments, the first movable member 2312 is configured to drive the camera device 22 to rotate bidirectionally around the first axis 2a through the first matching portion 22a, that is, the first movable member 2312 can drive the camera device 22 to rotate forwardly around the first axis 2a, and can also drive the camera device 22 to rotate reversely around the first axis 2a. For example, the first movable member 2312 can be connected to the first matching portion 22a; for another example, the first matching portion 22a is formed as a convex structure, and a limiting groove is formed on the first movable member 2312, the first matching portion 22a is matched with the limiting groove, and the first matching portion 22a and the limiting groove are matched in the circumferential upper limit around the first axis 2a, so that the opposite side walls of the limiting groove can limit the rotation of the first matching portion 22a around the first axis 2a.

[0061] Of course, the present application is not limited to this; for example, the first movable member 2312 can also be configured to drive the camera device 22 to rotate unidirectionally around the first axis 2a through the first matching portion 22a, that is, the first movable member 2312 can only drive the camera device 22 to rotate forward or reversely around the first axis 2a; at this time, the first movable member 2312 can be stop-fitted with the first matching portion 22a, and the movement of the first movable member 2312 is not easy to interfere with the rotation of the first matching portion 22a around the first axis 2a, thereby ensuring smooth adjustment of the first adjustment mechanism 231 and helping to simplify the structure of the first adjustment mechanism 231.

[0062] In some embodiments, Figure 2 and Figure 4 As shown, the first movable member 2312 can move relative to the first fixed member 2311, so the movement mode of the first movable member 2312 is simple, which is convenient for simplifying the structure of the first adjustment mechanism 231. At this time, if the first movable member 2312 is configured to drive the camera device 22 to rotate bidirectionally around the first axis 2a, the first movable member 2312 can push the first matching portion 22a to realize the positive rotation of the camera device 22 around the first axis 2a, and the first movable member 2312 can push the first matching portion 22a to realize the reverse rotation of the camera device 22 around the first axis 2a; if the first movable member 2312 is configured to drive the camera device 22 to rotate unidirectionally around the first axis 2a, the first movable member 2312 can push or push back to realize the unidirectional rotation of the camera device 22.

[0063] Optionally, the first movable member 2312 is threadedly matched with the first fixed member 2311, so as to facilitate the stepless movement of the first movable member 2312 relative to the first fixed member 2311, so that the first movable member 2312 can be at any position within its moving range, which is conducive to improving the adjustment flexibility of the first adjustment mechanism 231, so that the first adjustment mechanism 231 is better suitable for camera devices 22 with different degrees of deviation, and ensures the installation accuracy of the camera device 22. In addition, it is convenient to achieve self-locking of the first movable member 2312 and the first fixed member 2311, and there is no need to set up a separate locking mechanism (for example, the first locking mechanism described later).

[0064] Of course, in other embodiments of the present application, the first movable member 2312 may also rotate relative to the first fixed member 2311 to realize the rotation of the camera device 22 around the first axis 2a.

[0065] Optionally, in Figure 2 and Figure 4 In the example, the first matching portion 22a can be formed as a protruding structure; of course, the first matching portion 22a can also be formed as other structures, such as a groove structure, etc., as long as the first movable member 2312 can drive the camera device 22 to rotate through the first matching portion 22a.

[0066] In some embodiments of the present invention, Figure 2 and Figure 4 As shown, the first adjustment mechanism 231 also includes a first reset member 2313, which is arranged on the first fixed member 2311, and the first reset member 2313 and the first movable member 2312 are respectively abutted and matched on both sides of the circumference of the first matching portion 22a around the first axis 2a, and the first reset member 2313 pushes the first matching portion 22a toward the first movable member 2312, so as to ensure that the first matching portion 22a is always abutted and matched with the first reset member 2313 and the first movable member 2312 respectively, and the first movable member 2312 and the first reset member 2313 will not interfere with the rotation of the first matching portion 22a around the first axis 2a. The first movable member 2312 is threadedly matched with the first fixed member 2311, so as to achieve fine adjustment of the first adjustment mechanism 231, so that the first adjustment mechanism 231 has good adjustment accuracy.

[0067] Optionally, the first restoring member 2313 is an elastic member, which can be often in a compressed state and often push the first matching portion 22a toward the first movable member 2312, so that the first matching portion 22a has a tendency to move toward the first movable member 2312 under the action of the first restoring member 2313, so as to ensure that the first restoring member 2313 and the first matching portion 22a are always in abutment with each other, and the first matching portion 22a and the first movable member 2312 are always in abutment with each other.

[0068] exist Figure 2 and Figure 4 In the example, the first fixing member 2311 forms a first receiving groove, and in the circumferential direction around the first axis 2a, the first receiving groove has a first side wall and a second side wall that are oppositely arranged, the first movable member 2312 is penetrated through the first side wall and is threadedly engaged with the first side wall, the first reset member 2313 is engaged with the second side wall, and the first engaging portion 22a extends into the first receiving groove and is respectively stop-engaged with the first movable member 2312 and the first reset member 2313.

[0069] In some embodiments of the present invention, Figure 2 and Figure 4 As shown, the adapter frame 233 has a second matching portion 233a, the second adjustment mechanism 232 directly drives the adapter frame 233 to rotate, and the second adjustment mechanism 232 includes a second fixed member 2321 and a second movable member 2322, the second fixed member 2321 is fixed to the bracket 21, the second movable member 2322 is arranged on the second fixed member 2321, and the second movable member 2322 can move relative to the second fixed member 2321 to drive the adapter frame 233 to rotate through the second matching portion 233a. Thus, the second adjustment mechanism 232 can drive the adapter frame 233 to rotate relative to the bracket 21 around the second axis 2b.

[0070] In some embodiments, the second movable member 2322 is configured to drive the adapter frame 233 to rotate bidirectionally around the second axis 2b through the second matching portion 233a, that is, the second movable member 2322 can drive the adapter frame 233 to rotate forward around the second axis 2b, and can also drive the adapter frame 233 to rotate reversely around the second axis 2b. For example, the second movable member 2322 can be connected to the second matching portion 233a; for another example, the second matching portion 233a is formed as a protruding structure, and a limiting groove is formed on the second movable member 2322, the second matching portion 233a is matched with the limiting groove, and the second matching portion 233a and the limiting groove are matched in the circumferential upper limit around the second axis 2b, so that the opposite side walls of the limiting groove can limit the rotation of the second matching portion 233a around the second axis 2b.

[0071] Of course, the present application is not limited to this; for example, the second movable member 2322 can also be configured to drive the adapter frame 233 to rotate unidirectionally around the second axis 2b through the second matching portion 233a, that is, the second movable member 2322 can only drive the adapter frame 233 to rotate forward or reversely around the second axis 2b; at this time, the second movable member 2322 can be stop-fitted with the second matching portion 233a, and the movement mode of the second movable member 2322 is not easy to interfere with the rotation of the second matching portion 233a around the second axis 2b, thereby ensuring smooth adjustment of the second adjustment mechanism 232 and helping to simplify the structure of the second adjustment mechanism 232.

[0072] In some embodiments, Figure 2 and Figure 4 As shown, the second movable member 2322 can move relative to the second fixed member 2321, so the movement mode of the second movable member 2322 is simple, which is convenient for simplifying the structure of the second adjustment mechanism 232. At this time, if the second movable member 2322 is configured to drive the adapter frame 233 to rotate bidirectionally around the second axis 2b, the second movable member 2322 can push the second matching portion 233a to realize the forward rotation of the adapter frame 233 around the second axis 2b, and the second movable member 2322 can push the second matching portion 233a to realize the reverse rotation of the adapter frame 233 around the second axis 2b; if the second movable member 2322 is configured to drive the adapter frame 233 to rotate unidirectionally around the second axis 2b, the second movable member 2322 can push or push back to realize the unidirectional rotation of the adapter frame 233.

[0073] Optionally, the second movable member 2322 is threadedly matched with the second fixed member 2321, so as to facilitate the stepless movement of the second movable member 2322 relative to the second fixed member 2321, so that the second movable member 2322 can be at any position within its moving range, which is conducive to improving the adjustment flexibility of the second adjustment mechanism 232, so that the second adjustment mechanism 232 is better suitable for camera devices 22 with different degrees of deviation, and ensures the installation accuracy of the camera device 22. In addition, it is convenient to achieve self-locking of the second movable member 2322 and the second fixed member 2321, and there is no need to set up a separate locking mechanism (for example, the second locking mechanism 242 described later).

[0074] Of course, in other embodiments of the present application, the second movable member 2322 may also rotate relative to the second fixed member 2321 to achieve the rotation of the adapter frame 233 around the second axis 2b.

[0075] Optionally, in Figure 2 and Figure 4 In the example, the second matching portion 233a can be formed as a protruding structure; of course, the second matching portion 233a can also be formed as other structures, such as a groove structure, etc., as long as the second movable member 2322 can drive the adapter frame 233 to rotate through the second matching portion 233a.

[0076] In some embodiments of the present invention, Figure 2 and Figure 4 As shown, the second adjustment mechanism 232 also includes a second reset member 2323, which is arranged on the second fixed member 2321, and the second reset member 2323 and the second movable member 2322 are respectively abutted and matched on both sides of the second matching portion 233a around the second axis 2b, and the second reset member 2323 pushes the second matching portion 233a toward the second movable member 2322, so as to ensure that the second matching portion 233a is always abutted and matched with the second reset member 2323 and the second movable member 2322, respectively, and the second movable member 2322 and the second reset member 2323 will not interfere with the rotation of the second matching portion 233a around the second axis 2b. The second movable member 2322 is threadedly matched with the second fixed member 2321, so as to achieve fine adjustment of the second adjustment mechanism 232, so that the second adjustment mechanism 232 has good adjustment accuracy.

[0077] Optionally, the second restoring member 2323 is an elastic member, which can be often in a compressed state and often push the second matching portion 233a toward the second movable member 2322, so that the second matching portion 233a has a tendency to move toward the second movable member 2322 under the action of the second restoring member 2323, so as to ensure that the second restoring member 2323 and the second matching portion 233a are always in abutment with each other, and the second matching portion 233a and the second movable member 2322 are always in abutment with each other.

[0078] exist Figure 2 and Figure 4 In the example, the second fixing member 2321 forms a second accommodating groove, and in the circumferential direction around the second axis 2b, the second accommodating groove has a third side wall and a fourth side wall arranged opposite to each other, the second movable member 2322 is penetrated through the third side wall and is threadedly engaged with the third side wall, the second reset member 2323 is engaged with the fourth side wall, and the second engaging portion 233a extends into the second accommodating groove and is respectively stop-engaged with the second movable member 2322 and the second reset member 2323.

[0079] In some embodiments of the present invention, Figure 4 As shown, the camera assembly 2 also includes a locking device 24, which includes a first locking mechanism and a second locking mechanism 242. The first locking mechanism is used to lock the first adjustment mechanism 231, and the second locking mechanism 242 is used to lock the second adjustment mechanism 232, so as to ensure that the camera device 22 is stably in a suitable position after adjustment and prevent the camera device 22 from loosening due to vibration or the like.

[0080] Optionally, in Figure 4 In the example, when the second adjustment mechanism 232 directly drives the adapter 233 to rotate relative to the bracket 21, and the first adjustment mechanism 231 directly drives the camera device 22 to rotate relative to the adapter 233, a first matching hole is formed on the camera device 22, and a second matching hole 233b is formed on the adapter 233, and the first matching hole and the second matching hole are both formed as long strip holes. When the first locking mechanism locks the first adjustment mechanism 231, the first locking mechanism is penetrated in the first matching hole to fix the camera device 22 and the adapter 233. When the first adjustment mechanism 231 needs to be unlocked, the first locking mechanism is detached from the first matching hole; when the second locking mechanism 242 locks the second adjustment mechanism 232, the second locking mechanism 242 is penetrated in the second matching hole 233b to fix the adapter 233 and the bracket 21 (or the third adjustment mechanism 234 described later). When the second adjustment mechanism 232 needs to be unlocked, the second locking mechanism 242 is detached from the second matching hole 233b. The first locking mechanism and the second locking mechanism 242 may both be screws.

[0081] Further, there are one or more second mating holes 233b; multiple second mating holes 233b can be arranged at circumferential intervals around the second axis 2b; similarly, there are one or more first mating holes; multiple first mating holes can be arranged at circumferential intervals around the first axis 2a.

[0082] Of course, the camera assembly 2 may not include the locking device 24. In this case, locking may be achieved by the first adjusting mechanism 231 itself or by the second adjusting mechanism 232 itself.

[0083] In some embodiments of the present invention, Figure 2 , Figure 3 and Figure 5 As shown, the adjustment device 23 also includes a third adjustment mechanism 234, which is used to adjust the acquisition distance between the camera device 22 and the part to be detected, so as to adjust the acquisition accuracy of the camera device 22, so as to ensure that the camera device 22 has a suitable acquisition accuracy, which is conducive to ensuring the detection accuracy of the detection equipment. Among them, the "acquisition distance" can be understood as the distance between the camera device 22 and the part to be detected along the shooting direction of the camera device 22.

[0084] For example, in Figure 1 , Figure 5 and Figure 8 In the example, the part to be detected is located below the camera device 22, and the camera device 22 shoots downward, and the third adjustment mechanism 234 is used to adjust the distance between the camera device 22 and the part to be detected in the vertical direction. The third adjustment mechanism 234 can be a ball screw mechanism or a telescopic cylinder mechanism; for example, taking the third adjustment mechanism 234 as a ball screw mechanism, the third adjustment mechanism 234 includes a nut and a screw threadedly matched, the screw can be fixed to the bracket 21, and the second adjustment mechanism 232 can be fixed to the nut.

[0085] It should be noted that in the description of the present application, the first adjusting mechanism 231, the second adjusting mechanism 232, and the third adjusting mechanism 234 can be manually adjusted and / or electrically adjusted, and the adjustment methods of the first adjusting mechanism 231, the second adjusting mechanism 232, and the third adjusting mechanism 234 can be the same or different.

[0086] In some embodiments, such as Figure 1 and Figure 3 As shown, the bracket 21 includes a support plate 211 and a connecting plate 212. There are two support plates 211, which are arranged in parallel and spaced apart. The connecting plate 212 is connected between the two support plates 211, and the adjustment device 23 is disposed on the connecting plate 212. Therefore, the bracket 21 has a simple structure and good supporting stability.

[0087] According to the appearance inspection device 100 of the second aspect embodiment of the present invention, it includes a conveying component 4 and a camera component 2, the conveying component 4 is used to convey the part to be inspected along the conveying direction, the camera component 2 is the camera component 2 according to the first aspect embodiment of the present invention, and the camera component 2 is arranged on at least one of the upper and lower sides of the conveying component 4, then the camera component 2 can be arranged only on the upper side of the conveying component 4, and the camera component 2 can only collect image information of the upper surface of the part to be inspected, or the camera component 2 can be arranged only on the lower side of the conveying component 4, and the camera component 2 can only collect image information of the lower surface of the part to be inspected, or the upper and lower sides of the conveying component 4 are respectively provided with camera components 2, and the two camera components 2 can collect image information of the upper and lower surfaces of the part to be inspected.

[0088] Among them, one of the first axis 2a and the second axis 2b is parallel to or coincides with the shooting center line 22b of the camera device 22, and the other is parallel to the transmission direction; for example, Figure 1 , Figure 2 and Figure 8 In the example, the first axis 2a coincides with the shooting center line 22b of the camera device 22, and the second axis 2b is parallel to the conveying direction. The camera device 22 rotates around the second axis 2b so that the camera device 22 can swing in the front-to-back direction to facilitate adjustment of the shooting field of view of the camera device 22 and the relative position of the part to be inspected in the front-to-back direction. The camera device 22 rotates around the first axis 2a to adjust the posture of the shooting field of view of the camera device 22 relative to the part to be inspected, so that the length of the long strip structure corresponding to the shooting field of view is parallel to the front-to-back direction.

[0089] The appearance inspection device 100 according to the embodiment of the present invention, by adopting the above-mentioned camera assembly 2, is conducive to improving the inspection efficiency and inspection accuracy of the appearance inspection device 100.

[0090] Other structures and operations of the appearance inspection device 100 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail here.

[0091] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0092] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0093] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0094] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A camera assembly (2), characterized in that: include: Bracket (21); A camera device (22), the camera device (22) being used to collect image information of the part to be inspected; an adjusting device (23), the adjusting device (23) being arranged on the support (21) and comprising a first adjusting mechanism (231) and a second adjusting mechanism (232), the first adjusting mechanism (231) being used for driving the camera device (22) to rotate relative to the support (21) around a first axis (2a), the second adjusting mechanism (232) being used for driving the camera device (22) to rotate relative to the support (21) around a second axis (2b), one of the first axis (2a) and the second axis (2b) being parallel to or coincident with a shooting center line (22b) of the camera device (22), and an angle between the first axis (2a) and the second axis (2b) being non-zero; The adjusting device (23) further comprises an adapter frame (233), and the camera device (22) is rotatably mounted on the adapter frame (233). The first adjustment mechanism (231) directly drives the adapter frame (233) to rotate around the first axis (2a), and the second adjustment mechanism (232) directly drives the camera device (22) to rotate around the second axis (2b) relative to the adapter frame (233); or, The second adjustment mechanism (232) directly drives the adapter frame (233) to rotate around the second axis (2b), and the first adjustment mechanism (231) directly drives the camera device (22) to rotate around the first axis (2a) relative to the adapter frame (233); The camera device (22) has a first matching portion (22a), and the first adjustment mechanism (231) directly drives the camera device (22) to rotate, and comprises: A first fixing member (2311), wherein the first fixing member (2311) is fixed to the adapter frame (233); A first movable member (2312), the first movable member (2312) being disposed on the first fixed member (2311) and being movable relative to the first fixed member (2311) so as to drive the camera device (22) to rotate via the first matching portion (22a); The first adjustment mechanism (231) further comprises a first reset member (2313), the first reset member (2313) being arranged on the first fixed member (2311), and respectively abutting against and fitting with the first movable member (2312) on two circumferential sides of the first fitting portion (22a) around the first axis (2a), the first reset member (2313) pushing the first fitting portion (22a) towards the first movable member (2312), and the first movable member (2312) being threadedly fitted with the first fixed member (2311); The adapter frame (233) has a second matching portion (233a), and the second adjustment mechanism (232) directly drives the adapter frame (233) to rotate, and comprises: A second fixing member (2321), wherein the second fixing member (2321) is fixed to the bracket (21); A second movable member (2322), the second movable member (2322) being disposed on the second fixed member (2321) and being movable relative to the second fixed member (2321) so as to drive the adapter frame (233) to rotate via the second matching portion (233a); The second adjustment mechanism (232) also includes a second reset member (2323), which is arranged on the second fixed member (2321) and is respectively abutted and matched with the second movable member (2322) on both sides of the circumference of the second matching portion (233a) around the second axis (2b); the second reset member (2323) pushes the second matching portion (233a) toward the second movable member (2322), and the second movable member (2322) is threadedly matched with the second fixed member (2321).

2. The camera assembly (2) according to claim 1, characterized in that: The first axis (2a) is perpendicular to the second axis (2b), and the first axis (2a) coincides with a shooting center line (22b) of the camera device (22).

3. The camera assembly (2) according to claim 1, characterized in that: Also includes: A locking device (24), the locking device (24) comprising a first locking mechanism and a second locking mechanism (242), the first locking mechanism being used to lock the first adjusting mechanism (231), and the second locking mechanism (242) being used to lock the second adjusting mechanism (232).

4. The camera assembly (2) according to any one of claims 1 to 3, characterized in that: The regulating device (23) further comprises: A third adjustment mechanism (234), the third adjustment mechanism (234) being used to adjust a collection distance between the camera device (22) and the part to be detected.

5. An appearance inspection device (100), characterized in that: include: A conveying assembly (4), wherein the conveying assembly (4) is used to convey the object to be detected along a conveying direction; A camera assembly (2), wherein the camera assembly (2) is a camera assembly (2) according to any one of claims 1 to 4, and is arranged on at least one of the upper and lower sides of the transmission assembly (4), one of the first axis (2a) and the second axis (2b) is parallel to or coincides with the shooting center line (22b) of the camera device (22), and the other is parallel to the transmission direction.

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