Ballpoint pen cap detects AOI device
Technical Field
The invention relates to a detection device, in particular to an AOI (automatic optical inspection) device for a ballpoint pen cap.
Background
The ballpoint pen cap is internally provided with the tortoise beads, the position of the tortoise beads can be deviated or lost in the production process of the ballpoint pen cap, the existing product detection is realized by using a manual visual product, the risk of fatigue false detection exists in the manual detection, and the labor cost is increased. Therefore, it is now urgently needed to design a new automation device suitable for automatically inspecting the cap and the tortoise bead, and provide a process automation device.
Disclosure of Invention
The invention provides an AOI device for detecting a ballpoint pen cap, which aims to realize the problem of automatic detection of the position of a tortoise bead in the pen cap.
The technical scheme adopted by the invention is as follows: an AOI device for detecting the cap of a ballpoint pen comprises
The pen cap carrier is a cup body and is used for placing a pen cap;
the carrier conveying device comprises a conveying belt, a plurality of pen cap carriers are fixedly arranged along the conveying belt, the pen cap carriers are conveyed along the conveying belt, and the cup mouths of the pen cap carriers are opposite to the conveying belt;
the visual detection device is arranged above a certain path through which the conveying belt passes and is used for shooting pen caps in the pen cap carrier passing through the visual detection device, and when the pen caps pass right below the visual detection device, the visual detection device is over against the opening end of the pen caps;
a feeding device; the turnover device comprises a receiving cup, wherein the cup opening is vertically upward when the receiving cup receives materials, the receiving cup is connected with a turnover base, the turnover base drives the cup opening of the receiving cup to be switched between vertical upward and vertical downward, the receiving opening is arranged right above the receiving cup and used for enabling a pen cap arranged at the receiving opening to fall into the receiving cup, the receiving cup is arranged above a conveying belt, after the receiving cup is turned to be vertical downward, the pen cap of the receiving cup falls onto a carrier on the conveying belt, the arc-shaped sliding plate is arranged at the side of the turnover device, and the arc-shaped sliding plate guides the pen cap falling onto the sliding plate in the turnover process of the receiving cup onto the pen cap carrier of the conveying belt;
the discharging device comprises a discharging mechanism and a branch manifold, the discharging mechanism comprises an inlet end and an outlet end, the discharging mechanism is connected with a driving device, the driving device controls the discharging mechanism to move, the inlet end of the discharging mechanism is used for receiving the detected pen cap, the outlet end of the discharging mechanism corresponds to the branch manifold, and the branch manifold comprises a first branch channel and a second branch channel; the driving device controls the discharge port to be positioned at a first station and a second station, when the discharge port is positioned at the first station, the outlet end is communicated with the first branch channel, and when the discharge port is positioned at the second station, the outlet end is communicated with the second branch channel;
and the control device is connected with the visual detection device and used for judging whether the pen cap transmitted by the visual detection device is qualified or not and controlling the discharging action of the discharging device according to the qualification or not.
Furthermore, the feeding device is also connected with an initial feeding end arranged on the side of the pen cap preparation device, a feeding port of the initial feeding end is connected with a feeding port of the feeding device through an air pipe, and a pen cap arranged at the initial feeding end enters the feeding port of the feeding device along the air pipe.
Furthermore, airflow flowing in a directional mode flows in the air pipe, and the pen cap enters the feeding opening of the feeding device from the pen cap at the initial feeding end under the action of the airflow.
Further, the receiving cup comprises a first receiving cup and a second receiving cup, wherein the bottom surfaces of the first receiving cup and the second receiving cup are oppositely arranged, when the cup opening of the first receiving cup is vertically upward, the cup opening of the second receiving cup is vertically downward, when the cup opening of the second receiving cup is vertically upward, the cup opening of the first receiving cup is vertically downward, the first receiving cup and the second receiving cup are connected through a turning cylinder, and the rotating cylinder drives the first receiving cup and the second receiving cup to turn around the connection midpoint of the first receiving cup and the second receiving cup;
the arc slide is provided with two, is relative first arc slide and the second arc slide that sets up respectively, first arc slide and second arc slide encircle turning device setting, first arc slide is used for accepting the cap of a brush that drops by first material receiving cup upset in-process, second arc slide is used for accepting the cap of a brush that drops by second material receiving cup upset in-process.
Furthermore, the arc-shaped sliding plates are semi-annular, the inner annular surfaces of the two arc-shaped sliding plates are opposite, and the turnover device is arranged between the two arc-shaped sliding plates.
Furthermore, the visual detection device is arranged above the conveying belt through a support, the visual detection device is arranged at the front end of the conveying belt relative to the feeding device, a pen cap falling into the pen cap carrier from the feeding device is conveyed to the lower part of the shooting device through the conveying belt, then the pen cap is shot through the visual detection device, and then the pen cap is conveyed to the discharging device continuously.
Further, be provided with first through-hole on the lateral wall of material receiving cup set firmly the first sensor that is used for detecting whether there is the cap in the material receiving cup on the arc slide, during the detection, first sensor is just right first through-hole, first sensor with the controller is connected, the controller senses through first sensor behind having the cap in the material receiving cup, the drive arrangement upset material receiving cup makes the cap of a brush in the material receiving cup falls into on the cap carrier on the transmission band.
Further, be provided with the second through-hole on the cap for brush carrier the other second sensor that is used for responding to cap for brush and whether falls into the cap for brush carrier that is provided with of transmission band, the second sensor is responded to through the second through-hole, the second sensor is connected controlling means, the second sensor senses the cap for brush and falls into behind the cap for brush carrier, controlling means control transmission band action.
Further, the transmission band side is provided with righting device, righting device is including relative first board and the second board that sets up, first board and second board set firmly on the workstation, and the clearance between first board and the second board is for righting the passageway, righting the passageway setting at the normal direction of transmission band, the pen cap carrier pass through the transmission band motion extremely right behind the passageway, the pen cap in the pen cap carrier is right for the opening is vertical upwards, righting the passageway setting in the rear end of shooting the point, the pen cap warp righting device right the back motion extremely under the visual detection device.
Further, a driving device for driving the discharging mechanism to move is an air cylinder, the air cylinder is connected with the control device, the control device controls the air cylinder through a detection result, qualified products enter the first branch channel, and unqualified products enter the second branch channel;
the transmission band is the annular, including top transmission face and below transmission face, and the cap falls into discharging device after the transmission band motion to below transmission face along with the transmission band.
The beneficial effects produced by the invention comprise: the device provided by the invention realizes the detection of the position of the pen ball in the pen cap, and realizes the screening of unqualified products by vertically arranging the open end of the pen cap upwards and detecting through the visual shooting device.
Drawings
FIG. 1 is a schematic perspective view of a detecting device according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is an enlarged view of a portion of the transition between the upper conveying surface and the lower conveying surface of the conveyor belt of FIG. 1;
FIG. 5 is a plan view of the detecting unit of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at C;
FIG. 7 is a schematic view of the overall structure of the detecting device of the present invention;
in the figure, 1, a pen cap carrier, 2, a pen cap, 3, a conveyor belt, 4, a visual detection device, 5, a feeding port of a feeding device, 6, a first receiving cup, 7, a second receiving cup, 8, an overturning base, 9, a first arc-shaped sliding plate, 10, a second arc-shaped sliding plate, 11, a cylinder, 12, a branch manifold, 1201, a first branch channel, 1202, a second branch channel, 13, a discharging mechanism, 1301, an inlet end, 1302, an outlet end, 14, a third arc-shaped sliding plate, 15, an initial feeding end, 16, a feeding port of the initial feeding end, 17, a first sensor, 18, a second sensor, 19, a first plate, 20, a second plate, 21 and a righting channel.
Detailed Description
The present invention is explained in further detail below with reference to the drawings and the specific embodiments, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
A2 detection devices of ballpoint pen cap, includes carrier transmission device, cap carrier 1, vision detection device 4, pan feeding device, discharging device and controlling means, cap 2 at first gets into the carrier through the pan feeding device, then transports to vision detection device 4 via carrier transmission device and carries out the detection and analysis, then reachs discharging device via carrier transmission device, classifies to qualified piece and unqualified piece, and whole journey action accessible controlling means accomplishes.
The pen cap carrier 1 is a cup body and is used for placing the pen cap 2; a feeding device; including pan feeding mouth, turning device and arc slide, turning device is including connecing the material cup, connect the material cup to connect the vertical upwards of rim of a cup when connecing the material cup, connect the material cup to be connected with upset base 8, 8 drives of upset base connect the material cup rim of a cup to switch between vertical upwards and vertical downwards, the pan feeding mouth sets up directly over the material cup for make the cap for brush 2 of arranging the pan feeding mouth in fall into and connect the material cup, connect the material cup to arrange the transmission band 3 top in, connect the material cup upset to vertical after downwards, connect the cap for brush 2 of material cup to fall into on the carrier on transmission band 3, the arc slide sets up in the turning device side, and the arc slide will be by connect the material cup upset in-process to fall into on the cap for brush carrier 1 of 2 leading-in transmission bands 3 of the cap on the slide.
The carrier conveying device comprises a conveying belt 3, a plurality of pen cap carriers 1 are fixedly arranged along the conveying belt 3, the pen cap carriers 1 are conveyed along the conveying belt 3, and the cup mouths of the pen cap carriers 1 are opposite to the conveying belt 3; the visual detection device 4 is arranged above a certain path through which the conveying belt 3 passes and used for shooting the pen cap 2 in the pen cap carrier 1 passing through the visual detection device 4, and when the pen cap 2 passes through the visual detection device 4, the visual detection device 4 is over against the opening end of the pen cap 2.
The discharging device comprises a discharging mechanism 13 and a branch manifold, the discharging mechanism 13 comprises an inlet end 1301 and an outlet end 1302, the discharging mechanism 13 is connected with a driving device, the driving device controls the discharging mechanism 13 to move, the inlet end 1301 of the discharging mechanism 13 is used for receiving the detected pen cap 2, the outlet end 1302 corresponds to the branch manifold, and the branch manifold comprises a first branch 1201 and a second branch 1202; the driving device controls the discharge port to be in a first station and a second station, when the discharge port is in the first station, the outlet end 1302 is communicated with the first branch 1201, and when the discharge port is in the second station, the outlet end 1302 is communicated with the second branch 1202.
And the control device is connected with the visual detection device 4 and used for judging whether the pen cap 2 transmitted by the visual detection device 4 is qualified or not and controlling the discharging action of the discharging device according to the qualification or not.
In some embodiments, the feeding device is further connected with an initial feeding end 15 disposed at the side of the pen cap 2 preparation device, a feeding port 16 of the initial feeding end 15 is connected with the feeding port 5 of the feeding device through an air pipe, and the pen cap 2 placed in the initial feeding end 15 enters the feeding port 5 of the feeding device along the air pipe. The air pipe is internally circulated with directional flowing air flow, and the pen cap 2 enters the feeding port 5 of the feeding device from the pen cap 2 at the initial feeding end 15 under the action of the air flow. The design enables the pen cap 2 to enter the initial feeding end 15 after being produced, and the feeding device enters the conveying device for detection and classification.
In some embodiments, in order to increase the efficiency, the receiving cup comprises a first receiving cup 6 and a second receiving cup 7 which are arranged up and down and have opposite bottom surfaces, when the rim of the first receiving cup 6 is vertically upward, the rim of the second receiving cup 7 is vertically downward, when the rim of the second receiving cup 7 is vertically upward, the rim of the first receiving cup 6 is vertically downward, the first receiving cup 6 and the second receiving cup 7 are connected through a turning cylinder 11, the rotating cylinder 11 drives the first receiving cup 6 and the second receiving cup 7 to turn over around the connection midpoint of the first receiving cup and the second receiving cup, the open end path of each receiving cup is a semicircle, the two receiving paths form a circle, in order to match the paths of the two receiving cups, the arc-shaped sliding plates are provided with two first arc-shaped sliding plates 9 and second arc-shaped sliding plates 10 which are arranged oppositely, the first arc-shaped sliding plates 9 and the second arc-shaped sliding plates 10 are arranged around the turning device, first arc slide 9 is used for accepting the cap 2 that drops by first material receiving cup 6 upset in-process, second arc slide 10 is used for accepting the cap 2 that drops by second material receiving cup 7 upset in-process, the arc slide is the semi-ring shape, two the interior anchor ring face of arc slide is relative, and turning device sets up between two arc slides. The first arc-shaped plate and the second arc-shaped plate can be designed into arc shapes, the arc radiuses of the two arc-shaped plates are the same and are equal to or slightly larger than the turning radius of the receiving cup, so that a pen cap 2 in the receiving cup cannot slide down in the turning process, the heights of the first receiving cup 6 and the second receiving cup 7 are both larger than or equal to the height of the pen cap 2, and the end part of the pen cap 2 cannot protrude out of the receiving cup.
In some embodiments, the visual inspection device 4 is disposed above the conveyor belt 3 through a bracket, the visual inspection device 4 is disposed at the front end of the conveyor belt 3 relative to the feeding device, and the pen caps 2 dropped onto the pen cap carriers 1 by the feeding device are conveyed to the lower part of the shooting device through the conveyor belt 3, then shot by the visual inspection device 4, and then conveyed to the discharging device. The visual inspection device 4 may employ a CCD camera.
In some embodiments, a first through hole is formed in a side wall of the receiving cup, a first sensor 17 for detecting whether a pen cap 2 is arranged in the receiving cup is fixedly arranged on the arc-shaped sliding plate, during detection, the first sensor 17 is over against the first through hole, the first sensor 17 is connected with the controller, and the controller drives the driving device to overturn the receiving cup after sensing that a pen cap 2 is arranged in the receiving cup through the first sensor 17, so that the pen cap 2 in the receiving cup falls onto the pen cap carrier 1 on the conveying belt 3. Be provided with the second through-hole on the cap for brush carrier 1 the other second sensor 18 that is used for responding to cap for brush 2 and whether falls into cap for brush carrier 1 that is provided with of transmission band 3, second sensor 18 responds through the second through-hole, second sensor 18 is connected controlling means, second sensor 18 senses cap for brush 2 and falls into behind the cap for brush carrier 1, controlling means control transmission band 3 action.
In some embodiments, a righting device is arranged on the side of the conveying belt 3, the righting device includes a first board 19 and a second board 20 which are arranged oppositely, the first board 19 and the second board 20 are fixedly arranged on the workbench, a gap between the first board 19 and the second board 20 is a righting channel 21, the righting channel 21 is arranged in a normal direction of the conveying belt 3, after the pen cap carrier 1 moves to the righting channel 21 through the conveying belt 3, the pen cap 2 in the pen cap carrier 1 is righted to be vertically upward, the righting channel 21 is arranged at the rear end of the shooting point, and the pen cap 2 is righted by the righting device and then moves to a position right below the visual detection device 4.
In some embodiments, the driving device for driving the discharging mechanism 13 to move is an air cylinder 11, the air cylinder 11 is connected with the control device, the control device controls the air cylinder 11 according to the detection result, the qualified product enters the first branch 1201, and the unqualified product enters the second branch 1202; the conveying belt 3 is annular and comprises an upper conveying surface and a lower conveying surface, and the pen caps 2 fall into the discharging device after moving to the lower conveying surface along with the conveying belt 3. A third arc-shaped sliding plate 14 is arranged on the side of the transition conveying surface between the upper conveying surface and the lower conveying surface and used for preventing the pen caps 2 in the pen cap carrier 1 from falling out, and the third arc-shaped sliding plate 14 extends to the discharging device.
In order to improve the efficiency, set up two sets of turning devices in the device simultaneously, every group device all includes a first cup 6 that connects, and a second cup 7 that connects, it is corresponding, set up two sets of discharge mechanism 13 among the discharging device, and discharge mechanism 13 is for leaking hopper-shaped, and every discharge mechanism 13 of group all includes a funnel, and every funnel all corresponds a cylinder 11.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the claimed invention.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the content of the embodiment. It will be apparent to those skilled in the art that various changes and modifications can be made within the technical scope of the present invention, and any changes and modifications made are within the protective scope of the present invention.