CN220104881U

CN220104881U - Detection device

Info

Publication number: CN220104881U
Application number: CN202321389981.4U
Authority: CN
Inventors: 张宝平; 苏小满; 邹刚; 周勇; 庞峥嵘; 龚尧文; 李亚朋
Original assignee: Wuhan Zhichuang Shuangyi Technology Co ltd
Current assignee: Wuhan Zhichuang Shuangyi Technology Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-11-28
Anticipated expiration: 2033-05-30

Abstract

The utility model relates to the technical field of detection, and discloses a detection device, which comprises: the bracket comprises a base and a vertical rod which are connected, and the vertical rod extends along a first direction; the first mounting seat is connected with the vertical rod and is used for placing a workpiece and exposing opposite two surfaces of the workpiece; the two photographing mechanisms are respectively arranged at two opposite sides of the first mounting seat along the first direction, and each photographing mechanism comprises an industrial camera which is used for collecting surface images of the workpiece; the control mechanism is electrically connected to the two industrial cameras respectively and is used for acquiring surface images and comparing the surface images with preset standard images. The detection device collects surface images of the upper surface and the lower surface of the workpiece through two industrial cameras, so that the recognition speed is high; in addition, the control mechanism can compare the acquired surface image with a preset standard image to detect whether the workpiece is qualified or not, so that the detection efficiency is improved, errors are not easy to occur, and the product yield is improved.

Description

Detection device

Technical Field

The utility model relates to the technical field of detection, in particular to a detection device.

Background

In the production process of electronic products, the appearance LOG and bar code serial numbers of many products are similar, but the products cannot be used commonly, and the user side cannot register for use or the manufacturer specification is not in compliance after the user side is used wrongly. At present, visual identification is carried out at the production end by manpower, and the detection efficiency is low. In addition, because of factors such as continuous working fatigue of human eyes and difficulty in identifying difference points of human eyes, human eyes are uncontrollable in testing, defective products are easy to flow out, and the product yield is low.

Disclosure of Invention

The utility model aims to provide a detection device, which aims to solve the technical problems of low detection efficiency and low product yield when electronic products are identified manually and visually in the prior art.

The embodiment of the utility model provides a detection device, which comprises:

the bracket comprises a base and an upright rod which are connected, and the upright rod extends along a first direction;

the first mounting seat is connected with the vertical rod and is used for placing a workpiece and exposing two opposite sides of the workpiece;

the two photographing mechanisms are respectively arranged at two opposite sides of the first mounting seat along the first direction, and each photographing mechanism comprises an industrial camera which is used for collecting surface images of the workpiece;

and the control mechanism is respectively and electrically connected with the two industrial cameras, and is used for acquiring the surface image and comparing the surface image with a preset standard image so as to detect whether the workpiece is qualified or not.

In an embodiment, the surface image includes at least one of a character identification image, a LOG image, a barcode image, and a two-dimensional code image.

In an embodiment, the photographing mechanism further comprises a second mounting seat connected to the upright, and the industrial camera is arranged on the second mounting seat; at least one of the first mounting seat and the two second mounting seats is connected with the vertical rod in a sliding mode along the first direction.

In an embodiment, the first mounting seat comprises a first connecting piece and two supporting pieces, wherein the first connecting piece is connected with the upright rod in a sliding manner along a first direction, the two supporting pieces are opposite and are arranged at intervals along a second direction, the second direction intersects with the first direction, at least one of the two supporting pieces is movably arranged on the first connecting piece, and a station for placing the workpiece is formed between the two supporting pieces.

In an embodiment, the first connecting piece is provided with two sliding grooves extending along the second direction, and the two supporting pieces are respectively connected with the corresponding sliding grooves in a sliding manner.

In an embodiment, the two supporting members are symmetrically arranged, the supporting members comprise a supporting portion and a limiting protruding portion, the supporting portion is used for placing the workpiece, and the limiting protruding portion is used for stopping the workpiece.

In one embodiment, the second mount includes:

the second connecting piece is connected to the upright rod in a sliding manner along the first direction;

an extension member movably connected to the second connection member in a third direction, the third direction intersecting the first direction;

and the mounting piece is connected with the extension piece in a sliding manner along the third direction, and the industrial camera is fixedly connected with the mounting piece.

In an embodiment, the detection device further includes two illumination mechanisms, the two illumination mechanisms are disposed on two opposite sides of the first mounting seat along the first direction, and each illumination mechanism includes a light source for illuminating one side of the workpiece.

In an embodiment, the lighting mechanism further includes a third mounting seat connected to the upright, the light source is disposed on the corresponding third mounting seat, and the third mounting seat is slidably connected to the upright along the first direction.

In an embodiment, the third mounting seat includes a third connecting piece and a rotating piece for mounting the light source, the third connecting piece is slidably connected to the upright rod along the first direction, and the rotating piece is rotatably connected to the third connecting piece to adjust the direction of the light source.

The detection device comprises a support, a first mounting seat, two photographing mechanisms and a control mechanism, wherein the support comprises a base and a vertical rod which are connected, the first mounting seat connected to the vertical rod is used for placing a workpiece and exposing opposite sides of the workpiece, and as the two photographing mechanisms are respectively arranged on the opposite sides of the first mounting seat along a first direction, the two industrial cameras can collect surface images on the upper surface and the lower surface of the workpiece at the same time, so that the recognition speed is high; in addition, because control mechanism is connected in two industry cameras respectively electricity, control mechanism can be with the surface image that obtains and preset standard image contrast to detect whether the work piece is qualified, improve detection efficiency, and compare in artifical visual recognition, be difficult for makeing mistakes, reduce the defective products and flow, improve the product yield, thereby solve when artifical visual recognition electronic product among the prior art, detection efficiency is low and the technical problem that the product yield is low.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a detection device according to an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of a portion of the structure shown in FIG. 1A;

FIG. 3 is a schematic perspective view of the detecting device shown in FIG. 1 at another angle;

FIG. 4 is a schematic perspective view of the detecting device shown in FIG. 1 at a further angle;

fig. 5 is a schematic block diagram of the detection device shown in fig. 1.

The meaning of the labels in the figures is:

100. a detection device;

10. a bracket; 11. a base; 12. a vertical rod;

20. a first mount; 21. a first connector; 211. a chute; 22. a support; 221. a support part; 222. a limit protrusion; 23. a fastener;

30. a photographing mechanism; 31. an industrial camera; 32. a second mounting base; 321. a second connector; 322. an extension member; 323. a mounting member;

40. an illumination mechanism; 41. a light source; 42. a third mount; 421. a third connecting member; 422. a rotating member; 423. a rotating shaft;

50. a control mechanism;

200. a workpiece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail below with reference to the accompanying drawings, i.e., embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, 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 describing the present utility model 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 utility model.

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 utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified 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 above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In order to describe the technical scheme of the utility model, the following description is made with reference to specific drawings and embodiments.

The embodiment of the utility model provides a detection device which is used for identifying a mark on a workpiece to replace manual visual detection and reduce test errors. The workpiece can be a router, a light cat, a camera and the like which need to be registered and installed in a networking mode.

Referring to fig. 1, 2 and 5, in an embodiment of the present utility model, a detection device 100 includes a bracket 10, a first mount 20, two photographing mechanisms 30 and a control mechanism 50.

The stand 10 comprises a base 11 and an upright 12 connected, the upright 12 extending in a first direction (Z direction in the drawing). The base 11 is used for mounting and supporting the pole 12. It can be appreciated that the detection device 100 can adjust the position according to the actual situation of the product production line, and the placement position is flexible.

The first mounting seat 20 is connected to the upright 12, and the first mounting seat 20 is used for placing the workpiece 200 and exposing opposite sides of the workpiece 200, so that after the workpiece 200 is placed on the first mounting seat 20, the position provided with the mark is not shielded.

The two photographing mechanisms 30 are respectively disposed on two opposite sides of the first mounting base 20 along the first direction Z, each photographing mechanism 30 includes an industrial camera 31, and the industrial camera 31 is used for acquiring a surface image of the workpiece 200. Thus, the two industrial cameras 31 can collect surface images of the upper and lower surfaces of the workpiece 200 at the same time, so that the recognition speed is high, and the detection efficiency is improved.

The control mechanism 50 is electrically connected to the two industrial cameras 31, and the control mechanism 50 is used for acquiring a surface image and comparing the surface image with a preset standard image to detect whether the workpiece 200 is qualified. Thus, after the product is placed on the first mounting seat 20, the product can be automatically photographed, identified and judged by the industrial camera 31, and the operation is convenient and simple. The control mechanism 50 may be a computer, a PLC (Programmable Logic Controller ), or the like.

It can be understood that when the surface image is consistent with the preset standard image, the workpiece 200 to be measured is consistent with the type of the preset workpiece 200, namely, is a qualified product, and can enter the next procedure; if the surface image is inconsistent with the preset standard image, the workpiece 200 to be measured is not the preset workpiece 200 type, and is a defective product.

The above-mentioned detection device 100 includes a support 10, a first mount 20, two photographing mechanisms 30 and a control mechanism 50, where the support 10 includes a base 11 and an upright 12 that are connected, the first mount 20 connected to the upright 12 is used for placing a workpiece 200 and exposing two opposite sides of the workpiece 200, and since the two photographing mechanisms 30 are respectively disposed on two opposite sides of the first mount 20 along a first direction Z, the two industrial cameras 31 can collect surface images on the upper and lower surfaces of the workpiece 200 at the same time, so that the recognition speed is fast; in addition, since the control mechanism 50 is electrically connected to the two industrial cameras 31 respectively, the control mechanism 50 can compare the acquired surface images with the preset standard images to detect whether the workpiece 200 is qualified or not, so that the detection efficiency is improved, compared with manual visual recognition, errors are not easy to occur, defective products are reduced to flow out, and the product yield is improved, so that the technical problems of low detection efficiency and low product yield in the prior art when electronic products are manually and visually recognized are solved.

The detection device 100 can complete the collection of the surface image and the judgment of whether the workpiece 200 is qualified or not through the photographing mechanism 30 only in 0.2 seconds, and only in 3-5 seconds in the whole process, the test of the workpiece 200 is completed, so that the working efficiency is high.

In addition, the control mechanism 50 may be further connected to a display to display the detection result in real time. The control mechanism 50 is also connected to the MES (Manufacturing Execution System ) to generate test records that facilitate traceability by recording the product for inquiry, as opposed to manual visual inspection without traceability.

In one embodiment of the present utility model, the surface image includes at least one of a character identification image, a LOG image, a barcode image, and a two-dimensional code image. Thus, different standard images, that is, different kinds of workpieces 200, can be preset according to different kinds of workpieces 200, and the test passing conditions are different; in addition, the identification types of the identification on the workpiece 200 are rich, the compatibility is strong, and the accuracy of workpiece 200 identification can be improved when the workpiece 200 is matched for use.

It will be appreciated that the standard images include text identification images, LOG images, barcode images, and two-dimensional code images, and that standard images of various products are preset in the database of the control mechanism 50. When testing a certain type of workpiece 200, calling out a preset standard image corresponding to the workpiece 200; when the type of the workpiece 200 is replaced, the corresponding preset standard image is also replaced.

Referring to fig. 1 to 3, in an embodiment of the present utility model, the photographing mechanism 30 further includes a second mounting base 32 connected to the upright 12, and the industrial camera 31 is disposed on the second mounting base 32; at least one of the first mount 20 and the two second mounts 32 is slidably connected to the pole 12 along a first direction Z. In this way, the relative distance between the industrial camera 31 and the workpiece can be changed by the movement of at least one of the first mounting seat 20 and the two second mounting seats 32, so that the recognition and detection of workpieces 200 with different sizes can be adapted, and the applicability is strong.

In this embodiment, the first mounting base 20 and the two second mounting bases 32 are both slidably connected to the upright 12 along the first direction Z, and the adjustment modes are various and can be flexibly adjusted. It will be appreciated that in other embodiments of the utility model, one or both of the first mount 20 and the second mount 32 are slidably coupled to the pole 12 in the first direction Z, without limitation.

In this embodiment, referring to fig. 1, the first mounting base 20 includes a first connecting member 21 and two supporting members 22 connected to each other, the first connecting member 21 is slidably connected to the upright 12 along a first direction Z, the two supporting members 22 are opposite to each other and spaced apart along a second direction (X direction in the drawing), the second direction X intersects the first direction Z, at least one of the two supporting members 22 is movably disposed on the first connecting member 21, and a station for placing the workpiece 200 is formed between the two supporting members 22. In this way, the size of the station can be changed by the movement of at least one of the two supports 22, so that workpieces 200 of different sizes can be adapted, with a high compatibility.

In other embodiments of the present utility model, the angle between the first direction Z and the second direction X may be other, which is not limited herein.

In the present embodiment, referring to fig. 1 and 2, two sliding grooves 211 extending along the second direction X are formed on the first connecting member 21, and the two supporting members 22 are respectively slidably connected to the corresponding sliding grooves 211. In this way, the sliding groove 211 can guide and limit the movement of the supporting pieces 22, and the position adjustment of the two supporting pieces 22 is more convenient and quicker; furthermore, the position of the station can also be changed in the second direction X.

Specifically, referring to fig. 1, 2 and 4, one end of the supporting member 22 is disposed in the corresponding sliding slot 211, and the first mounting seat 20 further includes a fastening member 23, where the fastening member 23 is disposed in the sliding slot 211 through the sliding slot 211 toward one side of the upright 12 and is in threaded connection with the supporting member 22.

In this embodiment, referring to fig. 1 and 2, the two supporting members 22 are symmetrically disposed, and the supporting members 22 include a supporting portion 221 and a limiting protrusion 222, which are connected, the supporting portion 221 is used for placing the workpiece 200, and the limiting protrusion 222 is used for stopping the workpiece 200.

The limiting protrusions 222 are protruded on the supporting portion 221, that is, after the workpiece 200 is placed on the first mounting seat 20, the two limiting protrusions 222 are respectively abutted against opposite ends of the workpiece 200 to prevent the workpiece 200 from being displaced. The supporting portion 221 is used to support the workpiece 200 to prevent the workpiece 200 from falling down due to gravity.

It is understood that the first mounting base 20 may have other structures. For example, in other embodiments of the present utility model, the first mount 20 may also include two clamps to mount the workpiece 200 by clamping the workpiece 200, but is not limited thereto.

Referring to fig. 1 to 3, in an embodiment of the present utility model, the second mounting base 32 includes a second connecting member 321, an extending member 322 and a mounting member 323.

The second connecting piece 321 is connected to the upright 12 in a sliding manner along the first direction Z; the extension piece 322 is movably connected to the second connecting piece 321 along a third direction (Y direction shown in the drawing), and the third direction Y intersects with the first direction Z; the mounting member 323 is slidably coupled to the extension member 322 along the third direction Y, and the industrial camera 31 is fixedly coupled to the mounting member 323.

Thus, the height of the second mounting seat 32 in the first direction Z can be adjusted by the position of the second connecting piece 321 on the upright 12; in addition, the distance between the industrial camera 31 and the upright 12 can be changed by moving the extension piece 322 on the second connecting piece 321 or moving the mounting piece 323 on the extension piece 322, so as to adjust the distance between the industrial camera 31 and the geometric center of the workpiece 200, so as to align the marks of different positions on the workpiece 200 with the industrial camera 31.

In this embodiment, the third direction Y is perpendicular to the first direction Z and the second direction X, and it is understood that in other embodiments of the present utility model, the included angle between the third direction Y and the first direction Z may be other, which is not limited herein.

In addition, the lens of the industrial camera 31 can adjust the focal length according to actual needs so as to adapt to different kinds of workpieces 200.

Referring to fig. 1 and 3, in an embodiment of the utility model, the detecting device 100 further includes two illumination mechanisms 40, the two illumination mechanisms 40 are disposed on opposite sides of the first mounting base 20 along the first direction Z, and each illumination mechanism 40 includes a light source 41, where the light source 41 is used to illuminate one side of the workpiece 200. Thus, the two illumination mechanisms 40 include two light sources 41, and the two light sources 41 can control the ambient light on two opposite sides of the workpiece 200, so as to improve the detection accuracy.

It will be appreciated that the mounting location of the light source 41 should not obscure the lens of the industrial camera 31. In the present embodiment, the illumination mechanism 40 is located between the first mount 20 and the photographing mechanism 30, and the projection of the light source 41 on the first mount 20 is located on the side of the projection of the industrial camera 31 on the first mount 20 toward the upright 12.

Referring to fig. 1 to 3, in the present embodiment, the lighting mechanism 40 further includes a third mounting base 42 connected to the upright 12, the light source 41 is disposed on the corresponding third mounting base 42, and the third mounting base 42 is slidably connected to the upright 12 along the first direction Z. In this manner, the height of the illumination mechanism 40 can be adjusted to adjust the illumination range of the light source 41 on the workpiece 200.

Specifically, referring to fig. 1 to 3, the third mounting base 42 includes a third connecting member 421 and a rotating member 422 for mounting the light source 41, the third connecting member 421 is slidably connected to the upright 12 along the first direction Z, and the rotating member 422 is rotatably connected to the third connecting member 421 to adjust the orientation of the light source 41.

The rotating member 422 is rotatably connected to the third connecting member 421 through the rotating shaft 423, the rotating shaft 423 penetrates through the third connecting member 421 and extends along the second direction X, the rotating member 422 is sleeved on the rotating shaft 423, that is, the rotating axis L of the rotating member 422 is parallel to the second direction X and perpendicular to the first direction Z, and the light source 41 may be fixedly connected to the rotating member 422 through a fastener such as a bolt.

In addition, the light source 41 is a lamp tube electrically connected to the light adjuster, and the light intensity of the lamp tube can be adjusted by rotating a knob on the light adjuster.

In one embodiment of the present utility model, the pole 12, extension 322 and rotation shaft 423 are all steel pipes of uniform diameter, which can be mass produced and easily replaced.

The detection device 100 collects surface images of the upper and lower surfaces of the workpiece 200 through two industrial cameras 31 at the same time, so that the recognition speed is high; in addition, since the control mechanism 50 is electrically connected to the two industrial cameras 31 respectively, the control mechanism 50 can compare the acquired surface images with the preset standard images to detect whether the workpiece 200 is qualified or not, so that the detection efficiency is improved, compared with manual visual recognition, errors are not easy to occur, defective products are reduced to flow out, and the product yield is improved, so that the technical problems of low detection efficiency and low product yield in the prior art when electronic products are manually and visually recognized are solved.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.

Claims

1. A detection apparatus, characterized by comprising:

2. The detection device of claim 1, wherein the surface image comprises at least one of a character identification image, a LOG image, a barcode image, and a two-dimensional code image.

3. The detection device of claim 1, wherein the photographing mechanism further comprises a second mount connected to the upright, the industrial camera being disposed on the second mount; at least one of the first mounting seat and the two second mounting seats is connected with the vertical rod in a sliding mode along the first direction.

4. A testing device according to claim 3, wherein the first mounting base comprises a first connecting member and two supporting members, the first connecting member is slidably connected to the upright in the first direction, the two supporting members are opposite and spaced apart in the second direction, the second direction intersects the first direction, at least one of the two supporting members is movably disposed on the first connecting member, and a station for placing the workpiece is formed between the two supporting members.

5. The detecting device according to claim 4, wherein the first connecting member is provided with two sliding grooves extending along the second direction, and the two supporting members are respectively slidably connected to the corresponding sliding grooves.

6. The inspection apparatus according to claim 4, wherein two of the support members are symmetrically disposed, the support members including a support portion and a limit projection connected to each other, the support portion being for placing the workpiece, the limit projection being for stopping the workpiece.

7. A test device according to claim 3, wherein the second mount comprises:

8. The inspection device of any one of claims 1-7, further comprising two illumination mechanisms disposed on opposite sides of the first mount in the first direction, each illumination mechanism including a light source for illuminating one side of the workpiece.

9. The detection device of claim 8, wherein the illumination mechanism further comprises a third mount connected to the upright, the light source is disposed on a corresponding third mount, and the third mount is slidably connected to the upright along the first direction.

10. The detecting device for detecting the rotation of a motor rotor as claimed in claim 9, wherein the third mounting seat includes a third link slidably connected to the pole in the first direction and a rotating member for mounting the light source, and the rotating member is rotatably connected to the third link to adjust the orientation of the light source.