CN210834694U

CN210834694U - Visual inspection device

Info

Publication number: CN210834694U
Application number: CN201921587852.XU
Authority: CN
Inventors: 刘继光
Original assignee: Shenzhen Weishi Automation Technology Development Co ltd
Current assignee: Shenzhen Weishi Automation Technology Development Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-06-23
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a visual detection device, include: a base station; the detection table is mounted on the upper surface of the base table; and the first detection camera component is positioned on the outer side wall of the detection platform, the first detection camera component comprises a fixed seat connected to the upper surface of the base platform and a camera body connected to the fixed seat, and the camera body is relative to the fixed seat and moves to adjust the distance between the camera body and the detection platform. The utility model discloses technical scheme can remove and finely tune the position that detects the camera, improves the flexibility in the testing process.

Description

Visual inspection device

Technical Field

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

Background

With the increasing level of technology, vision machine inspection is replacing human eyes to measure and judge, and is increasingly important in the functions of detecting defects and preventing defective products from being distributed to consumers.

Generally, in order to carry out the all-round detection to the product, with the precision that improves the detection, visual detection device generally can set up the visual detection camera of a plurality of visual angles, thereby can carry out image taking from multi-angle, diversified product to detecting on the test table to detect, for example, some detection cameras are installed and are enclosed in the outside of detecting the platform, with the visual angle that can look sideways at and take the product and carry out detection analysis. However, in such a visual inspection apparatus, the position of the inspection camera cannot be moved to focus on the product to be inspected in a fine adjustment manner, and the inspection process is not flexible enough.

The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a visual detection device aims at can removing and finely tune the position that detects the camera, improves the flexibility in the testing process.

In order to achieve the above object, the utility model provides a visual detection device, include:

a base station;

the detection table is mounted on the upper surface of the base table; and

the first detection camera assembly is located outside the detection table and comprises a fixed seat connected to the upper surface of the base table and a camera body connected to the fixed seat, the camera body is relative to the fixed seat and moves to adjust the distance between the camera body and the detection table.

Optionally, the fixing base comprises a mounting plate and a fixing plate movably connected to the mounting plate, the mounting plate is connected to the upper surface of the base platform, the camera body is connected to the fixing plate, and the fixing plate moves up and down relative to the mounting plate to adjust the vertical distance between the camera body and the detection platform.

Optionally, a first strip-shaped hole has been seted up to the fixed plate, the mounting panel corresponds the fixed orifices has been seted up in first strip-shaped hole, first detection camera subassembly still includes the connecting piece, the connecting piece passes in proper order first strip-shaped hole with the fixed orifices, and can make the mounting panel with the fixed plate is fixed mutually.

Optionally, the mounting plate is movably connected to the upper surface of the base station and can drive the camera body to move in the horizontal direction, so as to adjust the distance between the camera body and the detection table in the horizontal direction.

Optionally, a second strip-shaped hole is formed in the mounting plate, the upper surface of the base platform corresponds to the second strip-shaped hole, the first detection camera assembly further comprises a fastener, and the fastener sequentially penetrates through the second strip-shaped hole and the mounting hole and can enable the mounting plate to be fixed with the base platform.

Optionally, the fixed plate and the surface of the mounting plate, which is attached to each other, are provided with concave-convex structures.

Optionally, the first inspection camera assembly further includes a dust cover, and the dust cover is connected to the fixing base and covers the camera body.

Optionally, flanges are formed on the edges of two opposite sides of the dust cover, and the flanges are detachably connected to the fixing seat and can fix the dust cover and the fixing seat.

Optionally, the vision inspection apparatus includes a light source assembly mounted to the base station and located between the first inspection camera assembly and the inspection station.

Optionally, the visual inspection device further includes a second inspection camera component, and the second inspection camera component is mounted on the base station and located right above the inspection station.

The utility model discloses technical scheme's visual detection device examines the test table and installs in the upper surface of base station for lay the work piece that detects the detection. Through locating the outside of examining test table and enclosing first detection camera subassembly, alright utilize first detection camera subassembly to treat the side direction of examining the work piece and carry out image capture in order to detect the analysis. The fixing seat of the first detection camera component is connected to the upper surface of the base platform, and the camera body is connected to the fixing seat, so that the first detection camera component can be relatively fixed with the base platform in the image shooting process, and normal detection is ensured. Simultaneously, through making camera body relative fixing base remove, realized the fine setting to camera body position to can adjust the camera body and examine the distance between the test table and focus, improve the flexibility in the testing process greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the vision inspection apparatus of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural view of another embodiment of the vision inspection apparatus of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

fig. 5 is a schematic structural view of the dust cover of the vision inspection device of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

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

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a visual inspection device.

In an embodiment of the present invention, the visual inspection apparatus includes:

a base 10;

the detection table 20 is arranged on the upper surface of the base table 10, and can be used for placing a workpiece; and

the first detection camera assembly 30 is located at the outer side of the detection table 20, the first detection camera assembly 30 comprises a fixing seat 31 connected to the upper surface of the base table 10 and a camera body 32 connected to the fixing seat 31, and the camera body 32 moves relative to the fixing seat 31 to adjust the distance between the camera body 32 and the detection table 20.

In this embodiment, the base 10 may be a frame structure formed by fixedly connecting rods or plates, and the base 10 mainly provides support for the workpiece to be detected and other parts of the visual inspection apparatus. Examine that test table 20 is laid and treat the work piece, can be the cell-phone screen, contact stitch, or other comparatively accurate equipment part etc, in the embodiment of this application, examine test table 20 and still install transmission device, this transmission device can be the conveyer belt, when examining, can place the work piece that treats the detection in transmission device, thereby drive the work piece that treats the detection in examining test table 20 transmission motion through transmission device, so alright place a plurality of work pieces in transmission device, drive the motion by transmission device, and carry out the image by first detection camera subassembly 30 in proper order and take the detection, thereby can once only detect a plurality of work pieces, the efficiency of work piece product defect detection has been promoted greatly.

The camera body 32 is mainly used for converting a shot detection workpiece into an image signal, transmitting the image signal to an image processing system of the visual detection device, and converting the image signal into a digital signal according to information such as pixel distribution, brightness, color and the like. The material of fixing base 31 is metal material, and this type of material structural strength is good, and the machine-shaping of being convenient for can ensure that camera body 32 installs in base station 10 firmly, can improve the production machining efficiency of fixing base 31 simultaneously by a wide margin.

Therefore, the utility model discloses technical scheme's visual detection device, through locating the outer side wall that examines test table 20 with first detection camera subassembly 30, alright utilize first detection camera subassembly 30 to treat the side direction of detecting the work piece and carry out image pickup in order to carry out detection and analysis. By connecting the fixing seat 31 of the first detection camera assembly 30 to the upper surface of the base 10 and connecting the camera body 32 to the fixing seat 31, the first detection camera assembly 30 can be kept relatively fixed with the base 10 during the image capturing process, and normal detection is ensured. Meanwhile, the camera body 32 moves relative to the fixed seat 31, fine adjustment of the position of the camera body 32 is achieved, the distance between the camera body 32 and the detection table 20 can be adjusted, and flexibility in the detection process is greatly improved.

In some embodiments of the present application, in the embodiment of the visual inspection apparatus, the fixing base 31 includes a mounting plate 311 and a fixing plate 312 movably connected to the mounting plate 311, the mounting plate 311 is connected to the upper surface of the base platform 10, the camera body 32 is connected to the fixing plate 312, and the fixing plate 312 moves up and down relative to the mounting plate 311 to adjust the up-down distance between the camera body 32 and the inspection platform 20.

Specifically, the fixing plate 312 includes a fixing portion and a connecting portion connected to each other, the camera body 32 is connected to the fixing portion, the connecting portion is movably connected to the mounting plate 311, and the fixing portion and the connecting portion may be an integral structure, so that the fixing plate 312 is formed in an "L" shape; similarly, the mounting plate 311 can also be set up to similar "L" structure, and the camera body 32 can be fixed in the fixed part through screwed connection, so set up, and the machine-shaping of the fixed plate 312 of not only being convenient for can improve the efficiency of finished product processing, also enables the camera body 32 to connect in the fixed part firmly moreover, and difficult appearance after the installation is rocked.

In practical application, when there is a difference in the size specification of the workpiece to be detected, the fixing plate 312 and the mounting plate 311 can be adjusted to move up and down relatively, so that the camera body 32 is driven to move up and down relatively relative to the detection table 20 and the workpiece to be detected located on the detection table 20, and therefore fine adjustment of the camera body 32 is achieved to focus, and flexibility in the detection process is improved. Specifically, in the present embodiment, the fixing plate 312 moves relative to the mounting plate 311 by a transmission mechanism, such as: the gear rack transmission, the chain transmission and other modes are automatically controlled, adjusted and moved, and the manual adjustment and movement can also be performed.

In an embodiment, the fixing plate 312 is provided with a first strip-shaped hole 3121, the mounting plate 311 is provided with a fixing hole 3111 corresponding to the first strip-shaped hole 3121, and the first inspection camera assembly 30 further includes a connecting member, the connecting member sequentially passes through the first strip-shaped hole 3121 and the fixing hole 3111, and the mounting plate 311 and the fixing plate 312 can be fixed together. Specifically, the fixing hole 3111 may be a threaded hole, and the connecting member may be a screw rod, so that the fixing plate 312 and the mounting plate 311 may be fixed by inserting the screw rod into the threaded hole after passing through the first strip hole 3121; and when the position of the camera body 32 is finely adjusted to need to move up and down, the fixing plate 312 is moved after the screw rod is loosened, the screw rod moves in the first strip-shaped hole 3121 at the moment, and then the screw rod is fastened again after the position is adjusted. In the adjusting mode, an additional transmission mechanism is not required to be arranged for adjusting and moving, so that the adjusting operation of a user is facilitated, the structure is simple, and the manufacturing cost is saved.

In other embodiments of the present application, the mounting plate 311 is movably connected to the upper surface of the base platform 10, and can drive the camera body 32 to move in the horizontal direction, so as to adjust the distance between the camera body 32 and the detection platform 20 in the horizontal direction. In this embodiment, the mounting plate 311 is horizontally moved relative to the base platform 10, so as to drive the camera body 32 to horizontally move relative to the inspection platform 20 and the workpiece to be inspected on the inspection platform 20, therefore, when the size and specification of the workpiece to be inspected are different, the position of the camera body 32 can be adjusted horizontally to finely adjust the focus, and the flexibility of the inspection process is further improved. It will be understood that the movement of the mounting plate 311 relative to the base 10 can be achieved by a transmission mechanism, such as: the gear rack transmission, the chain transmission and other modes are automatically controlled, adjusted and moved, and the manual adjustment and movement can also be performed.

In an embodiment, the mounting plate 311 has a second bar-shaped hole 3112, the base 10 has a mounting hole 11 on the upper surface thereof corresponding to the second bar-shaped hole 3112, and the first inspection camera assembly 30 further includes a fastener, the fastener sequentially passes through the second bar-shaped hole 3112 and the mounting hole 11, and the mounting plate 311 and the base 10 can be fixed together. The mounting hole 11 may be a threaded hole, and the fastening member may be a screw rod, so that the mounting plate 311 and the base 10 may be fixed by inserting the screw rod through the second bar-shaped hole 3112 and then fitting and connecting the screw rod into the threaded hole of the base 10; and when the position of camera body 32 is finely tuned in the horizontal migration of needs, accessible not hard up screw rod back removal mounting panel 311, the screw rod takes place to remove in second bar-shaped hole 3112 this moment, and then after adjusting the position, fastens the screw rod once more. In the adjusting mode, an additional transmission mechanism is not required to be arranged for adjusting and moving, so that the adjusting operation of a user is facilitated, the structure is simple, and the manufacturing cost is saved.

In order to ensure that the fixing plate 312 is not affected by the gravity of the camera body 32 after being connected with the mounting plate 311 and slides and loosens, the fixing plate 312 and the mounting plate 311 are provided with concave-convex structures 313 on the surfaces which are attached to each other. The concave-convex structure 313 may be a saw-tooth structure or a wave-shaped structure, and after the fixing plate 312 is attached to the mounting plate 311, the saw-tooth structure or the wave-shaped structure of the fixing plate 312 can be engaged with the saw-tooth structure or the wave-shaped structure of the mounting plate 311, so as to increase the friction force between the fixing plate 312 and the mounting plate 311, thereby ensuring the fixing plate 312 and the mounting plate 311 to be connected stably and firmly.

Further, the first inspection camera assembly 30 further includes a dust cover 33, and the dust cover 33 is connected to the fixing base 31 and covers the camera body 32. Through setting up dust cover 33, can protect camera body 32, effectively prevent dust etc. from leading to the fact the influence to lens etc. and ensure that the image uptake is clear, accurate to extension camera body 32's life.

Specifically, flanges 331 are formed on the edges of two opposite sides of the dust cover 33, and the flanges 331 are detachably connected to the fixing seat 31, so that the dust cover 33 can be fixed to the fixing seat 31. Wherein, turn-ups 331 accessible screw or buckle etc. can dismantle with fixing base 31 and be connected, set up the structure of turn-ups 331 for dust cover 33 can be connected with fixing base 31 is firm, and mounting structure is also comparatively simple simultaneously, and the maintenance is maintained in the daily dismouting of being convenient for.

In the present application, the vision inspection apparatus includes a light source assembly 40, the light source assembly 40 is installed on the base station 10, and is located between the first inspection camera assembly 30 and the inspection station 20. The light source assembly 40 is mainly used for highlighting measurement features and simplifying an image processing algorithm in visual detection; the interference of ambient light can be overcome, and the signal-to-noise ratio of the image is improved; the positioning, measuring and identifying precision of the vision system and the running speed of the system are improved, and the complexity of system design is reduced. Specifically, the light source assembly 40 includes an LED ring light source, which can provide different illumination angles and different color combinations, and can further highlight the three-dimensional information of the object; the compact design saves the installation space; the problem of diagonal shadow irradiation can be solved; a diffusion plate can be optionally matched for light guide, and light is uniformly diffused.

Further, the visual inspection device of the present application further includes a second inspection camera assembly 50, wherein the second inspection camera assembly 50 is mounted on the base platform 10 and is located right above the inspection platform 20. Through setting up in examining the second detection camera subassembly 50 directly over the platform 20, can carry out image pickup to waiting to examine the work piece with the visual angle of overlooking to make waiting to examine the work piece and can be carried out the defect detection by diversified, multi-angle, further improve the accuracy nature that the work piece detected. It should be noted that the second inspection camera assembly 50 of the present application is similar in specific structure to the first inspection camera assembly 30 and will not be described in detail herein.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A visual inspection device, comprising:

a base station;

the detection table is mounted on the upper surface of the base table; and

2. The visual inspection device of claim 1, wherein the fixing base includes a mounting plate and a fixing plate movably connected to the mounting plate, the mounting plate is connected to the upper surface of the base, the camera body is connected to the fixing plate, and the fixing plate moves up and down relative to the mounting plate to adjust an up-down distance between the camera body and the inspection table.

3. The visual inspection device of claim 2, wherein the fixing plate has a first hole, the mounting plate has a fixing hole corresponding to the first hole, and the first inspection camera assembly further comprises a connecting member, the connecting member sequentially passes through the first hole and the fixing hole, and the mounting plate and the fixing plate can be fixed together.

4. The visual inspection device of claim 2, wherein the mounting plate is movably coupled to the upper surface of the base and drives the camera body to move in a horizontal direction to adjust a distance between the camera body and the inspection table in the horizontal direction.

5. The visual inspection device of claim 4, wherein the mounting plate defines a second slot, the top surface of the base defines a mounting hole corresponding to the second slot, and the first inspection camera assembly further comprises a fastener, the fastener passing through the second slot and the mounting hole in sequence and securing the mounting plate to the base.

6. The visual inspection device of claim 2, wherein the surfaces of the mounting plate that engage each other are provided with a relief structure.

7. The visual inspection device of any one of claims 1-6, wherein the first inspection camera assembly further includes a dust cover coupled to the mounting base and covering the camera body.

8. The visual inspection device of claim 7, wherein flanges are formed on opposite sides of the dust cover, the flanges being removably connected to the holder and securing the dust cover to the holder.

9. The vision inspection device of any one of claims 1-6, comprising a light source assembly mounted to the base station between the first inspection camera assembly and the inspection station.

10. The vision inspection device of claim 7, further comprising a second inspection camera assembly mounted to the base station and positioned directly above the inspection station.