Six-face appearance defect detection equipment for shielding cover
Technical Field
The utility model relates to six-face appearance defect detection equipment for a shielding cover.
Background
Shields are tools used to shield electronic signals. The function is to shield the influence of external electromagnetic waves on the internal circuit and the outward radiation of the internally generated electromagnetic waves. A large number of industrial and industrial enterprises produce shielding cases for mobile phone brands in China, and the demand is vigorous. The shielding cover is mainly produced through a punch forming process, in the production process, the product can have the defects of pressure injury, scratch, deformation, dirt, R angle cracking and the like, and the traditional inspection needs a large amount of manual work for visual inspection. However, in the manual detection process, the condition of false detection or missed detection is easy to occur, so that the use of a later-stage shielding cover is influenced, and the manual detection is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide six-face appearance defect detection equipment for a shielding cover, which is ingenious in structure, convenient and practical.
The technical scheme for realizing the purpose of the utility model is as follows: the shielding cover detection device is provided with a rack, a working platform is arranged on the rack, a feeding station, a carrying station, a detection station and a blanking station are arranged on the working platform, a feeding mechanism for feeding each shielding cover is arranged on the feeding station, a carrying mechanism capable of carrying each shielding cover is arranged on the carrying station, a detection mechanism capable of detecting each shielding cover is arranged on the detection station, and a blanking mechanism capable of blanking the detected shielding cover is arranged on the blanking station; the utility model discloses a material loading mechanism, including the side support of setting at the frame side, fix the side platform on the side support, fix two vibration dishes on the side platform, the last flitch that corresponds with each vibration dish, fix the oscillator below each last flitch and with each flitch cooperation connecting plate that connects of going up, all be equipped with a plurality of material loading troughs on each material loading board, the discharge end and each material loading trough intercommunication of each vibration dish, the both ends that connect the flitch all are equipped with the constant head tank that corresponds with the material loading trough on each material loading board, the last lift cylinder that is equipped with of work platform, the flexible end of lift cylinder with connect flitch fixed connection, the lift cylinder drive connects the flitch after rising, and transport mechanism shifts each shield lid in the constant head tank to detect the mechanism that shifts to unloading is carried out to unloading after detecting.
The conveying station is provided with two oppositely arranged conveying mechanisms, each conveying mechanism corresponds to each vibration disc, the conveying mechanism comprises a fixed support, a first linear module fixed on the fixed support, a first movable plate driven by a motor to be arranged on the first linear module in a sliding manner, a second linear module fixed on the first movable plate, a second movable plate driven by the motor to be arranged on the second linear module in a sliding manner, a third movable plate fixed on the second movable plate, a rotating block driven by the motor to be connected on the third movable plate in a rotating manner, an installation plate fixed on the rotating block and a plurality of vacuum suction heads fixed on the installation plate, the extending direction of the first linear module is parallel to the extending direction of the feeding plate, the extending direction of the second linear module is perpendicular to the extending direction of the first linear module, and the extending direction of the third movable plate is perpendicular to the working platform, the rotating axis of the rotating block is perpendicular to the working platform, and each vacuum suction head on the mounting plate transfers each shielding cover through the driving of the first linear module on the first moving plate, the driving of the second linear module on the second moving plate and the rotation of the rotating block.
The detection mechanism comprises two first detection assemblies which are oppositely arranged and can shoot the bottom surfaces of the shielding covers and two second detection assemblies which are oppositely arranged and can shoot the side surfaces and the front surfaces of the shielding covers, the first detection assemblies and the second detection assemblies are shot and are located between two opposite carrying mechanisms, and the first detection assemblies are located between the feeding mechanism and the second detection mechanism.
Above-mentioned first detection component is including fixing fagging on work platform, fixing the first camera of shooing on work platform, correspond the first light source of shooing of complex and fix the baffle in the fagging with the first camera of shooing, and first camera is first in coordination to shoot the bottom surface of light source to the shielding lid through between first camera of shooing and the baffle and detect.
The second detection assembly comprises a mechanical arm fixed on the rack, a mounting support fixed at the output end of the mechanical arm, a plurality of second shooting cameras and second shooting light sources mounted on the mounting support, a rotating platform connected to the working platform in a rotating mode through motor driving, at least one fixing base fixed on the rotating platform, at least one mounting platform fixed on the fixing base, a plurality of driving motors fixed on the fixing bases and corresponding to the mounting platforms, a plurality of positioning blocks which are driven by the driving motors to rotate and are arranged on the mounting platform and can be used for placing shielding covers, and the second shooting cameras on the mechanical arm shoot and detect the upper ends and the side faces of the shielding covers of the positioning blocks through cooperation with the second shooting light sources.
The blanking station is provided with two opposite blanking mechanisms which are positioned between the detection mechanism and the carrying mechanism, the blanking mechanism comprises a blanking bracket fixed on the working platform, a fixed plate fixed on the blanking bracket, a conveying belt rotationally driven by a motor and arranged on the fixed plate, a moving block fixed on the conveying belt, a blanking plate fixed on the moving block, a blanking block fixed on the blanking plate, a plurality of blanking grooves arranged on the blanking block, a support rod oppositely arranged and fixed on the blanking plate, a plurality of pneumatic fingers fixed on the support rod, and clamping blocks fixed on the pneumatic fingers, each clamping block is provided with a clamping groove, the clamping block on each pneumatic finger corresponds to each blanking groove, the clamping groove is controlled by the pneumatic fingers to open for blanking of each blanking groove, the working platform is also provided with a plurality of guide pipes corresponding to each blanking groove, a material collecting box is arranged below each material guide pipe.
The utility model has the positive effects that: (1) according to the utility model, the feeding mechanism is arranged on the feeding station to carry out feeding, the carrying mechanism is arranged on the carrying station to carry and transfer each shielding cover, the detection station is used for shooting and detecting each shielding cover through the detection mechanism, the blanking mechanism on the blanking station is used for blanking each shielding cover after detection is finished, the vibrating disc is used for carrying out feeding through vibration, the oscillator drives each shielding cover in the feeding groove to carry out feeding in the feeding process, each shielding cover is transferred into the positioning groove on the material receiving plate, and each shielding cover is positioned through the positioning groove.
(2) According to the utility model, the carrying mechanism is set to be the first linear module to drive the second linear module to move, the second linear module drives the third movable plate to move, the rotating block on the third movable plate drives the vacuum suction heads to transfer each shielding cover, each vacuum suction head can move in multiple directions through the driving of the first linear module and the second linear module, then the motor drives the vacuum suction heads to rotate, the bottom surfaces of the shielding covers are detected in the rotating process, the shielding covers are comprehensively shot and detected after the vacuum suction heads rotate to the detection station, the stability and smoothness in moving of the vacuum suction heads are effectively ensured, and the shielding blocks can be stably grabbed by the vacuum suction heads at the later stage to be used as a bedding.
(3) The first detection component is arranged to match the first shooting camera and the first shooting light source to shoot and detect each shielding cover, and the first shooting camera is prevented from exposure through the baffle plate, so that the device is safe and practical.
(4) According to the utility model, the second detection assembly is set as the mechanical arm to drive the second shooting camera and the second shooting light source to shoot and detect the shielding cover on the positioning block, so that the shielding cover can be shot and detected comprehensively and effectively, the comprehensiveness and accuracy of shooting and detection of the shielding cover are ensured, and the device is efficient and practical.
(5) According to the utility model, the blanking mechanism is arranged on the blanking station, the blanking block is driven by the conveying belt to be transferred to the lower part of the vacuum suction heads to take and classify the shielding covers on the vacuum suction heads, and blanking is carried out through the material guide pipe, so that the blanking and screening of the shielding covers can be carried out rapidly and efficiently, and the blanking device is convenient and practical.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic view showing an overall configuration of a six-sided appearance defect inspection apparatus for a shield cover according to the present invention;
FIG. 2 is a schematic view of the overall structure of the feeding mechanism of the present invention;
FIG. 3 is a schematic view of the overall structure of the carrying mechanism of the present invention;
FIG. 4 is a schematic view of the overall structure of the first detecting assembly of the present invention;
FIG. 5 is a schematic diagram of the overall structure of the robot arm in the second detecting assembly according to the present invention;
FIG. 6 is a schematic view of the overall structure of the rotary platform of the second detecting assembly of the present invention;
FIG. 7 is a schematic view of the overall structure of the blanking mechanism of the present invention;
fig. 8 is a front view of the overall structure of the lower block in the present invention.
Detailed Description
Referring to fig. 1 to 8, the utility model is provided with a frame 1, a working platform 2 is arranged on the frame 1, a loading station, a carrying station, a detection station and a blanking station are arranged on the working platform 2, a loading mechanism 3 for loading each shielding cover is arranged on the loading station, a carrying mechanism 4 capable of carrying each shielding cover is arranged on the carrying station, a detection mechanism 5 capable of detecting each shielding cover is arranged on the detection station, and a blanking mechanism 6 capable of blanking the detected shielding cover is arranged on the blanking station; the feeding mechanism 3 comprises a side bracket 7 arranged at the side of the frame 1, a side platform 8 fixed on the side bracket 7, two vibrating discs 31 fixed on the side platform 8, feeding plates 33 corresponding to the vibrating discs 31, oscillators 32 fixed below the feeding plates 33, and material receiving plates 34 connected with the connecting plates matched with the feeding plates 33, wherein a plurality of feeding grooves 331 are arranged on each feeding plate 33, the discharge end of each vibrating disc 31 is communicated with each feeding groove 331, the two ends of the material receiving plate 34 are provided with positioning grooves 341 corresponding to the feeding grooves 331 on each material feeding plate 33, the working platform 2 is provided with a lifting cylinder 35, the telescopic end of the lifting cylinder 35 is fixedly connected with the material receiving plate 34, after the lifting cylinder 35 drives the material receiving plate 34 to ascend, the conveying mechanism 4 transfers each shield cover in the positioning groove 341 to the detecting mechanism 5, and after the detection is completed, transfers the shield cover to the blanking mechanism 6 for blanking.
The conveying station is provided with two conveying mechanisms 4 which are oppositely arranged, each conveying mechanism 4 corresponds to each vibration disc 31, each conveying mechanism 4 comprises a fixed bracket 41, a first linear module 42 fixed on the fixed bracket 41, a first moving plate 43 arranged on the first linear module 42 in a sliding manner under the drive of a motor, a second linear module 44 fixed on the first moving plate 43, a second moving plate 45 arranged on the second linear module 44 in a sliding manner under the drive of a motor, a third moving plate 46 fixed on the second moving plate 45, a rotating block 47 rotationally connected on the third moving plate 46 under the drive of a motor, a mounting plate 48 fixed on the rotating block 47, and a plurality of vacuum suction heads 49 fixed on the mounting plate 48, the extending direction of the first linear module 42 is parallel to the extending direction of the feeding plate 33, the extending direction of the second linear module 44 is perpendicular to the extending direction of the first linear module 42, the extending direction of the third moving plate 46 is perpendicular to the working platform 2, the rotating axis of the rotating block 47 is perpendicular to the working platform 2, and each vacuum suction head 49 on the mounting plate 48 transfers each shielding cover by the driving of the first moving plate 43 by the first linear module 42, the driving of the second moving plate 45 by the second linear module 44, and the rotation of the rotating block 47.
Be equipped with on the third movable plate 46 and rotate the drive belt 461 that sets up on third movable plate 46 by motor drive, be equipped with the transmission shaft on the drive belt 461, be equipped with drive gear on the transmission shaft, be equipped with the axis of rotation on the turning block 47, be equipped with in the axis of rotation can with drive gear transmission complex driven gear, the axis of transmission shaft sets up with the axis of rotation is perpendicular, the fixed stopper that is equipped with on the drive belt 461, be equipped with the limiting plate on the stopper, be equipped with two spacing inductive switch on the third movable plate 46, the turning block 47 rotates spacingly through the response cooperation of limiting plate and spacing inductive switch.
The detection mechanism 5 comprises two first detection assemblies 51 which are oppositely arranged and can shoot the bottom surfaces of the shielding covers and two second detection assemblies 52 which are oppositely arranged and can shoot the side surfaces and the front surfaces of the shielding covers, the first detection assemblies 51 and the second detection assemblies are shot by being located between two opposite carrying mechanisms 4, and the first detection assemblies 51 are located between the feeding mechanism 3 and the second detection mechanism 5.
The first detection component 51 comprises a supporting plate 511 fixed on the working platform 2, a first shooting camera 512 fixed on the working platform 2, a first shooting light source 513 correspondingly matched with the first shooting camera 512, and a baffle 514 fixed on the supporting plate 511, wherein the first shooting camera 512 is cooperated with the first shooting light source 513 to shoot and detect the bottom surface of the shielding cover passing between the first shooting camera 512 and the baffle 514.
The second detecting assembly 52 includes a mechanical arm 521 fixed on the frame 1, a mounting bracket 522 fixed at an output end of the mechanical arm 521, a plurality of second photographing cameras 523 and second photographing light sources 524 mounted on the mounting bracket 522, a rotating platform 525 rotationally connected to the working platform 2 by a motor, two fixed bases 526 fixed on the rotating platform 525, two mounting platforms 527 fixed on the fixed bases 526, a plurality of driving motors 528 fixed on the fixed bases 526 and corresponding to the mounting platforms 527, and a plurality of positioning blocks 529 rotatably disposed on the mounting platform 527 and capable of placing shielding covers after being driven by the driving motors 528, wherein the second photographing cameras 523 on the mechanical arm 521 photograph and detect upper ends and side surfaces of the shielding covers of the positioning blocks 529 through cooperation with the second photographing light sources 524.
The blanking station is provided with two opposite blanking mechanisms 6, the blanking mechanisms 6 are positioned between the detection mechanism 5 and the carrying mechanism 4, the blanking mechanism 6 comprises a blanking bracket 61 fixed on the working platform 2, a fixed plate 62 fixed on the blanking bracket 61, a conveyer belt 63 rotationally driven by a motor and arranged on the fixed plate 62, a moving block 64 fixed on the conveyer belt 63, a blanking plate 65 fixed on the moving block 64, a blanking block 66 fixed on the blanking plate 65, a plurality of blanking grooves 661 arranged on the blanking block 66, support rods oppositely arranged and fixed on the blanking plate 65, a plurality of pneumatic fingers 67 fixed on the support rods, and fixture blocks 68 fixed on the pneumatic fingers 67, each fixture block 68 is provided with a clamping groove, the fixture blocks 68 on each pneumatic finger 67 correspond to each blanking groove 661, each blanking groove 661 is controlled by the pneumatic fingers 67 to open for blanking, the working platform 2 is also provided with a plurality of material guide pipes 21 corresponding to the blanking troughs 661, and the material collecting boxes 11 are arranged below the material guide pipes 21.
The working principle of the utility model is as follows: when the utility model is used, an operator releases the shielding covers to be detected into the vibrating disk 31, each vibrating disk 31 starts to vibrate, each shielding cover starts to orderly feed into the feeding groove 331 on each feeding plate 33 through the vibration of the vibrating disk 31 and finally stops at the positioning groove 341, the lifting cylinder 35 drives the receiving plate 34 to start to ascend, the receiving plate 34 stops when ascending to be positioned between the first shooting camera 512 and the baffle 514, the first linear module 42 drives the second linear module to move towards each shielding cover, after the vacuum suction head 49 catches each shielding cover, the lifting cylinder 35 drives the receiving plate 34 to descend, the motor drives the rotating block 47 to start to rotate, each shielding cover passes through the first detection component 51, the first shooting camera 512 and the first shooting light source 513 on the first detection component 51 shoot and detect the bottom surface of each shielding cover in the rotating process of the rotating block 47, after the bottom surface detection is completed, the vacuum suction heads 49 transfer the shielding covers to the second detection assembly 52, the shielding covers are placed on the positioning blocks 529, the driving motors 528 start to drive the positioning blocks 529 to rotate, the positioning blocks 529 drive the shielding covers to rotate, the shielding covers shoot and detect the upper end surfaces and the side surfaces of the shielding covers through the second shooting cameras 523 and the second shooting light sources 524 on the rotating in-process mechanical arms 521, after the detection is completed, the shielding covers are transferred to the blanking grooves 661 on the blanking blocks 66 by the vacuum suction heads 49, the clamping grooves are controlled to be opened by the pneumatic fingers 67, the shielding covers after the detection fall into the corresponding material collecting boxes 11 along the material guide pipes 21, and therefore the automatic feeding, transferring, detecting and blanking of the shielding covers are achieved, and the device is efficient and practical.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.