CN207964667U - An appearance automatic detection equipment - Google Patents

Abstract

The utility model provides an outward appearance automated inspection equipment, include the workstation and locate the automated inspection mechanism above that, automated inspection mechanism includes rolling disc mechanism, feed mechanism, disc mold mechanism and at least one detection mechanism, rolling disc mechanism includes disc graduated disk and support, detection mechanism includes the picture collection subassembly, the picture collection subassembly includes at least one front image acquisition subassembly, at least one side image acquisition subassembly and at least one bottom surface image acquisition subassembly, the workstation below is equipped with a controller, the controller is P L C control, still be equipped with an operating panel on the workstation, operating panel with the controller is connected.

Description

An appearance automatic detection equipment

technical field

The utility model relates to the technical field of automatic detection equipment in the mobile phone industry, in particular to an appearance automatic detection equipment.

Background technique

Electronic products are widely used in daily life, especially communication electronic products are inseparable from people's lives; due to the relatively high integration of electronic products and the continuous development of miniaturization, for the parts of electronic products, the surface quality The requirements are also getting higher and higher. Appearance automatic inspection equipment is mainly used to quickly identify appearance defects of products to be inspected, such as pits, warpage, stains, cracks, scratches, burrs, etc., especially for high-end consumer electronics products, which need to be inspected during the production and assembly process Inspection, when inspecting the appearance, often requires multi-angle inspection. In the past, it relied on manual inspection of the surface quality with the naked eye. Therefore, human factors may cause inconsistent measurement standards, and long-term inspections may cause misjudgment due to visual fatigue. This will lead to a high rate of defective products. At the same time, the efficiency of manual inspection is extremely low, which requires a lot of manpower and time; the speed of turning over is different, which may cause the product to fall off in the hand, and also cause damage to the surface of the product. , affect the surface quality of the product.

During the assembly and production process of the mobile phone rear lens and support piece, according to the process requirements, before the mobile phone rear lens and support piece are assembled, it is necessary to conduct surface quality inspection on the outer side and the upper and lower bottom surfaces of the support piece, because the size of the support piece is small , manually inspect the surface with the naked eye, one is labor intensive and the work efficiency is extremely low, and the other is that the proportion of defective products detected is low, which affects the pass rate of the product; in addition, manual inspection with the naked eye cannot complete all inspections of the support sheet at all. Surface detection. Therefore, it is necessary to design an automatic inspection equipment to improve the production efficiency of the inspection process and the qualified rate of the product.

Utility model content

In order to overcome the deficiencies of the prior art, the utility model provides an automatic appearance detection device; the device has the functions of high detection efficiency and high detection accuracy, greatly reduces the production cost and improves the qualified rate of the product.

The technical scheme of the utility model is as follows: an automatic appearance detection device, including a workbench and an automatic detection mechanism arranged on it; the automatic detection mechanism includes a rotating disk mechanism, a feeding mechanism, a disk mold mechanism and at least one detection mechanism ; The rotating disc mechanism includes a disc indexing disc and a bracket, the disc indexing disc is a cam divider, and at least one detection position is evenly distributed on the disc indexing disc, and the disc indexing disc passes through DD The direct drive motor drives the detection position to rotate on the support at a preset angle; the product to be detected is placed on the detection position through the feeding mechanism, automatically detected by the detection mechanism, and collected by the disc mold assembly , so as to realize the functions of automatic feeding, automatic detection and automatic collection of products to be inspected.

Preferably, the detection mechanism includes a picture capture component, the picture capture component includes at least one front image capture component, at least one side image capture component and at least one bottom image capture component, and the front image capture component is located at a corresponding detection position directly above, the side image acquisition assembly is located on the side of the corresponding detection position, and the bottom image acquisition assembly is located directly below the corresponding detection position; the image acquisition assembly includes a guide rail and a phase finder sliding thereon and A shading ring, the shading ring is located between the phase finder and the detection position; the light shading ring blocks the variegated light around the detection position to improve the accuracy of the information picked up by the phase finder.

Preferably, the different front image capture components correspond to the same front detection position, the different side image capture components correspond to different side detection positions, and the different bottom image capture components correspond to the same bottom detection position; the product to be inspected requires For quality inspections such as surface deformation, surface scratches, and surface stains, the phase detectors with different light sources are required for these three quality inspections, so at least one image acquisition component is required for acquisition of a surface.

Preferably, the loading mechanism includes a loading and transplanting assembly arranged radially along the disc indexing plate and a loading and moving assembly perpendicular thereto, and the loading and transplanting assembly is provided with at least one upper A material jig, the loading and transplanting assembly includes a first motor and a first ball screw connected thereto, and the first motor drives the first ball screw to drive the feeding jig along the The disc indexing disc moves radially forward and backward; the feeding moving assembly includes a second motor and a second ball screw connected thereto, and the second motor drives the second ball screw to drive the feeding device The tool moves left and right along the direction perpendicular to the radial direction of the disc indexing plate; thus, the product to be inspected at any position on the horizontal plane of the feeding jig can be supplied to the next process.

Preferably, the feeding mechanism further includes a first suction nozzle assembly, the first suction nozzle assembly includes a first suction nozzle, a third motor and a third ball screw connected thereto, and the third motor drives The third ball screw drives the first suction nozzle to move radially along the disc indexing plate; Take out the product to be inspected from the tool and place the product to be inspected to the detection position on the disc indexing plate.

Preferably, the disc mold mechanism includes an OK disc mold mechanism and an NG disc mold mechanism, and the OK disc/NG disc mold mechanism includes an OK disc/NG disc transplanting assembly radially arranged along the disc indexing disc And the OK dish/NG dish moving assembly perpendicular thereto, the described OK dish/NG dish transplanting assembly is provided with at least one OK dish/NG dish jig, and the described OK dish/NG dish transplanting assembly includes a fourth motor and the fourth ball screw connected thereto, the fourth motor drives the fourth ball screw to drive the OK disc/NG disc jig to move forward and backward along the radial direction of the disc indexing disc; The OK disk/NG disk moving assembly includes a fifth motor and a fifth ball screw connected thereto, and the fifth motor drives the fifth ball screw to drive the OK disk/NG disk jig along the vertical The disc indexing disc moves left and right in the radial direction; thus, the inspected product can be collected at any collection position on the horizontal plane of the OK disc/NG disc jig.

Preferably, the disc mold mechanism further includes a second suction nozzle assembly, the second suction nozzle assembly includes a second suction nozzle, a sixth motor and a sixth ball screw connected thereto, and the sixth motor drives The sixth ball screw drives the second suction nozzle to move radially along the disc indexing plate; The detection position on the dial takes out the inspected product and places it on the OK disk/NG disk jig.

Preferably, a controller is provided under the workbench, and the controller is controlled by PLC; the first motor, the second motor, the third motor, the fourth motor, the fifth The motor, the sixth motor and the controller are connected;

Preferably, an operation panel is also provided on the workbench, and the operation panel is connected with the controller.

The beneficial effects of the utility model are: the device adopts image acquisition components to detect the side and front and back sides of the product at multiple angles, and the device has the functions of high detection efficiency and high detection accuracy, which greatly reduces the production cost and improves the qualified rate of the product; In addition, the mechanism of ball screw and linear guide rail is adopted, which greatly improves the efficiency of the product feeding process and the sorting and collecting process after product inspection; therefore, the equipment improves work efficiency and reduces production costs, and has considerable development prospect.

Description of drawings

Fig. 1 is a perspective view of the appearance automatic detection equipment described in the utility model.

Fig. 2 is a perspective view of the automatic detection mechanism of the automatic appearance detection device of the present invention.

Fig. 3 is a three-dimensional schematic diagram of the rotating disk mechanism, the feeding mechanism and the disk mold mechanism of the appearance automatic detection equipment of the utility model.

Fig. 4 is a perspective view of an embodiment of the automatic appearance detection device of the present invention.

Fig. 5 is a top view of an embodiment of the automatic appearance detection device of the present invention.

Fig. 6 is a perspective view of the image acquisition component of the automatic appearance detection device of the present invention.

Reference signs: 100—workbench, 200—automatic detection mechanism, 210—rotating disk mechanism, 211—disc indexing plate, 212—support, 220—feeding mechanism, 221—feeding and transplanting assembly, 222—upper Material fixture, 223—first motor, 224—first ball screw, 225—feeding moving assembly, 226—second motor, 227—second ball screw, 228—first suction nozzle assembly, 229—the first One suction nozzle, 230—the third motor, 231—the third ball screw, 240—disc mold mechanism, 241—OK disc/NG disc transplanting assembly, 242—OK disc/NG disc jig, 243—the fourth motor , 244—the fourth ball screw, 245—OK disk/NG disk moving assembly, 246—the fifth motor, 247—the fifth ball screw, 248—the second suction nozzle assembly, 249—the second suction nozzle, 250— Sixth motor, 251—sixth ball screw, 260—detection mechanism, 261—image acquisition component, 262—guide rail, 263—phase collector, 264—shading ring, 270—first image acquisition component, 271—second Picture collection component, 272—the third picture collection component, 273—the fourth picture collection component, 274—the fifth picture collection component, 275—the sixth picture collection component, 276—the seventh picture collection component, 277—the eighth picture collection Components, 278—ninth picture collection component, 279—tenth picture collection component, 280—eleventh picture collection component, 281—twelfth picture collection component, 282—support sheet front, 283—support sheet bottom surface, 284— The outer surface of the long side of the support piece, 285—the outer surface of the short side of the support piece, 286—the outer surface of the notch side of the support piece, 300—the controller, 400—the control panel.

Detailed ways

In order to make the utility model purpose, technical solution and technical effect of the utility model clearer, the present invention will be further described below in conjunction with specific embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, not to limit the utility model.

With reference to shown in Figure 1, a kind of outward appearance automatic detection equipment, comprises workbench 100 and is located at the automatic detection mechanism 200 on it; At least one detection mechanism 260; the rotating disk mechanism 210 includes a disc indexing plate 211 and a bracket 212, the disc indexing plate is a cam divider, and the disc indexing plate is evenly distributed with at least one detection position, so The disc indexing plate is driven by a DD direct drive motor so that the detection position rotates on the support 212 at a preset angle; Detection is collected through the disc mold assembly, so as to realize functions such as automatic feeding, automatic detection, and automatic collection of products to be inspected.

Further, referring to FIG. 1 and FIG. 2 , the loading mechanism 220 includes a loading and transplanting assembly 221 arranged radially along the disc indexing plate 211 and a loading and moving assembly 225 perpendicular to it, so At least one loading jig 222 is provided on the above-mentioned loading and transplanting assembly 221, and the above-mentioned loading and transplanting assembly 221 includes a first motor 223 and a first ball screw 224 connected thereto, and the first motor 223 drives The first ball screw 224 drives the feeding jig 222 to move radially forward and backward along the disc indexing plate 211; the feeding moving assembly 225 includes a second motor 226 and a second motor connected thereto. Ball screw 227, the second motor 226 drives the second ball screw 227 to drive the feeding jig 222 to move left and right along the direction perpendicular to the radial direction of the disc indexing plate 211; thereby realizing the The product to be inspected at any position on the horizontal plane of the feeding jig 222 can be supplied to the next process.

Further, as shown in FIG. 1 and FIG. 2, the feeding mechanism 220 also includes a first suction nozzle assembly 228, and the first suction nozzle assembly 228 includes a first suction nozzle 229, a third motor 230 and a motor connected thereto. The third ball screw 231, the third motor 230 drives the third ball screw 231 to drive the first suction nozzle 229 to move radially along the disc indexing plate 211; Take out the product to be inspected from the loading jig 222 in the radial direction of the disc indexing plate 211 and place the product to be inspected to the detection position on the disc indexing plate 211 .

Further, as shown in Fig. 1 and Fig. 2, the disc die mechanism 240 includes an OK disc die mechanism and an NG disc die mechanism, and the disc die mechanism 240 includes an OK disc die mechanism arranged radially along the disc indexing disc 211. Disc/NG dish transplanting assembly 241 and the OK dish/NG dish moving assembly 245 perpendicular thereto, described OK dish/NG dish transplanting assembly 241 is provided with at least one OK dish/NG dish jig 242, described OK The disk/NG disk transplanting assembly 241 includes a fourth motor 243 and a fourth ball screw 244 connected thereto, and the fourth motor 243 drives the fourth ball screw 244 to drive the OK disk/NG disk jig 242 moves back and forth radially along the disc indexing plate 211; the OK disc/NG disc moving assembly 245 includes a fifth motor 246 and a fifth ball screw 247 connected thereto, and the fifth motor 246 drives The fifth ball screw 247 drives the OK disc/NG disc jig 242 to move left and right along the direction perpendicular to the radial direction of the disc indexing disc 211; thereby realizing the horizontal plane of the OK disc/NG disc jig 242 The inspected product can be collected at any of the above collection locations.

Further, referring to FIG. 1 and FIG. 2 , the disc mold mechanism 240 also includes a second suction nozzle assembly 248, and the second suction nozzle assembly 248 includes a second suction nozzle 249, a sixth motor 250 and a The sixth ball screw 251, the sixth motor 250 drives the sixth ball screw 251 to drive the second suction nozzle 249 to move radially along the disc indexing plate 211; thereby realizing the In the radial direction of the disc indexing plate 211 , the inspected products are taken out from the detection position on the disc indexing plate 211 and placed on the OK disc/NG disc jig 242 .

Further, a controller 300 is provided below the workbench 100, and the controller is controlled by PLC; the first motor 223, the second motor 226, the third motor 230, and the fourth motor 243 , the fifth motor 246, the sixth motor 250 are connected to the controller 300;

Further, an operation panel 400 is further provided on the workbench 100 , and the operation panel 400 is connected with the controller 300 .

As shown in Figures 4, 5 and 6, this embodiment is used to detect the surface quality of the support sheet. The surface of the support sheet to be tested includes a front 282, a bottom surface 283, an outer surface of the long side of 284, and an outer surface of the short side of 285. and 286 the outer side of the notch, the detection mechanism 260 of this embodiment includes twelve picture acquisition components; the first picture capture component 270, the second picture capture component 271 and the twelfth picture capture component 281 are respectively Detect the surface deformation, surface scratches and surface stains of the support sheet front 282; the third image acquisition assembly 272 and the fourth image acquisition assembly 273 deform the support sheet long side outer surface 284 and surface scratches respectively Detect; the fifth picture collection component 274 and the eighth picture collection component 277 detect the deformation and surface scratches of the short side lateral surface 285 of the supporting sheet respectively, and the seventh picture collection component 276 and the tenth picture collection component A picture acquisition component 280 detects the deformation and surface scratches of the bottom surface 283 of the support plate respectively, and the sixth picture capture component 275, the ninth picture capture component 278 and the tenth picture capture component 279 respectively detect the outer surface of the support plate notch. The deformation of the side 286, surface scratches and the size of the gap are detected; the detection principle adopts the method of segmentally fitting a straight line, and analyzes the change of the slope of the light at the detection position. If the slope of the returned light changes irregularly, the detection point is a surface deformation defect. If the slope of the returned light changes linearly, the detection point is a surface scratch defect. If the returned light If the slope of local irregular and dense light changes, the detection point is a surface stain defect. If the returned light has a local regular and dense light slope change, then the detection point has a gap structure; through this detection principle, the specific to-be-detected position can be automatically detected The defect surface of the product and the type of defect.

The working principle of the present utility model: start the power supply of the equipment, and the controller 300 controls the first motor 223 and the second motor 226 to respectively drive the first ball screw 224 and the second ball screw 227 movement, so that the feeding jig 222 provides the product to be inspected on the horizontal plane, and at the same time, the third motor 230 drives the third ball screw 231, so that the first suction nozzle 229 is divided along the disc. Take out the product to be inspected from the loading fixture 222 in the radial direction of the dial 211 and place the product to be inspected to the detection position on the disc indexing disc 211; drive by the disc indexing disc 211 The detection position rotates according to a preset angle, and at the same time, the picture collection component 261 performs picture collection on each detection position and feeds back the picture information to the controller 300, and the controller 300 analyzes and stores the picture information, Automatically sort OK products/NG products onto the OK disk/NG disk jig 242.

The above content is a further detailed description of the utility model in combination with specific preferred embodiments, and it cannot be assumed that the specific implementation of the utility model is only limited to these descriptions. For those of ordinary skill in the technical field to which the utility model belongs, on the premise of not departing from the idea of the utility model, its structure form can be flexible and changeable, and a series of products can be derived. Just making some simple deductions or substitutions should be considered as belonging to the patent protection scope of the utility model determined by the submitted claims.

Claims (8)

1. a kind of appearance automatic checkout equipment, including workbench and the automatic detection mechanism that is provided thereon；It is characterized in that：It is described Automatic detection mechanism includes rotation disc mechanism, feed mechanism, disk mold mechanism and at least one testing agency；The rotation disc mechanism Including disk index dial and holder, the disk index dial is Cam splitter, and the disk index dial is uniformly distributed at least one A check bit, the disk index dial is driven by DD direct driving motors so that check bit is revolved on the bracket by a predetermined angle Turn；

The testing agency includes picture collection component, and the picture collection component includes at least one direct picture acquisition group Part, at least one side image acquisition component and at least one bottom surface image collection assembly, direct picture acquisition component position In the surface of corresponding check bit, the side image acquisition component is located at the side of corresponding check bit, and the bottom surface image is adopted Collect the underface that component is located at corresponding check bit；The picture collection component include a guide rail and the View finder slid on and Shade, the shade are between the View finder and check bit.

2. a kind of appearance automatic checkout equipment according to claim 1, it is characterised in that：The different direct picture acquisitions Component is corresponding with same positive test position, and the different side image acquisition components are corresponding with not ipsilateral test position, no It is corresponding with same bottom surface test position with the bottom surface image collection assembly.

3. a kind of appearance automatic checkout equipment according to claim 2, it is characterised in that：The feed mechanism includes along institute The feeding transplanting component and feeding moving assembly normal thereto, the feeding for stating disk index dial radial arrangement are transplanted on component Equipped at least one feeding jig, feeding transplanting component includes first motor and the first ball screw for being attached thereto, institute Stating first motor drives first ball screw that the feeding jig is driven radially to be moved forward and backward along the disk index dial； The feeding moving assembly includes the second motor and the second ball screw for being attached thereto, the second motor driving described second Ball screw drives the feeding jig to be moved left and right along the direction of the vertical disk index dial radial direction.

4. a kind of appearance automatic checkout equipment according to claim 3, it is characterised in that：The feed mechanism further includes One component suction nozzle, first component suction nozzle include the first suction nozzle, third motor and the third ball screw being attached thereto, described Third motor drives the third ball screw that first suction nozzle is driven to be moved radially along the disk index dial.

5. a kind of appearance automatic checkout equipment according to claim 4, it is characterised in that：The disk mold mechanism includes OK disks Mold mechanism and NG disk mold mechanisms, the OK disks/NG disk mold mechanisms include OK disks/NG disks along the disk index dial radial arrangement Component and OK normal thereto disk/NG disk moving assemblies are transplanted, the OK disks/NG disks transplanting component is equipped at least one OK Disk/NG disk jigs, OK disks/NG disks transplanting component include the 4th motor and the 4th ball screw that is attached thereto, and described the Four motors drive the 4th ball screw that the OK disks/NG disks jig is driven to be moved forwards, backwards along the disk index dial diameter It is dynamic；The OK disks/NG disk moving assemblies include the 5th motor and the 5th ball screw that is attached thereto, the 5th motor driving 5th ball screw drives the OK disks/NG disks jig to be moved along direction of the vertical disk index dial radial direction or so It is dynamic.

6. a kind of appearance automatic checkout equipment according to claim 5, it is characterised in that：The disk mold mechanism further includes Two component suction nozzles, second component suction nozzle include the second suction nozzle, the 6th motor and the 6th ball screw being attached thereto, described 6th motor drives the 6th ball screw that second suction nozzle is driven to be moved radially along the disk index dial.

7. a kind of appearance automatic checkout equipment according to claim 6, it is characterised in that：One is equipped with below the workbench Controller, the controller control for PLC；The first motor, second motor, the third motor, the 4th electricity Machine, the 5th motor, the 6th motor are connected with the controller.

8. a kind of appearance automatic checkout equipment according to claim 7, it is characterised in that：It is additionally provided with one on the workbench Operation panel, the operation panel are connect with the controller.