CN109894376B - Water meter vision detection equipment - Google Patents
Water meter vision detection equipment Download PDFInfo
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- CN109894376B CN109894376B CN201910214860.8A CN201910214860A CN109894376B CN 109894376 B CN109894376 B CN 109894376B CN 201910214860 A CN201910214860 A CN 201910214860A CN 109894376 B CN109894376 B CN 109894376B
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Abstract
The invention provides a water meter visual detection device, comprising: the automatic feeding and discharging device comprises a circulating conveying line, a visual automatic detection system, a PLC control system, a feeding grabbing device and a discharging grabbing device. The water meter to be detected is conveyed to a visual automatic detection system of a station platform detection area by a circulating conveying line, the visual automatic detection system performs card insertion or card sticking detection, a camera shoots pictures, whether the water meter is qualified or not is judged by matching, the water meter is placed according to the detection result in a classified mode, the existing manual detection mode is replaced, the automation degree is improved, the labor cost is reduced, and the efficiency and the accuracy of water meter detection are improved; the device is simple, stable and easy to operate; compared with manual detection, the required detection space is smaller; the work of each system is well interacted, and the influence on the existing production line is small.
Description
Technical Field
The invention belongs to the technical field of instrument and instrument production detection, and particularly relates to a water meter visual detection device.
Background
Before the water meter leaves the factory, the performance of the water meter needs to be subjected to targeted detection, the existing detection mode adopts a flow line conveying platform to slowly flow the meter in sequence, so that the meter is manually detected aiming at an item to be detected, unqualified products to be detected are taken out, and qualified products flow to the next flow through the flow line. The prior assembly line conveying platform is only suitable for manual detection, and the technical problems of low efficiency and accuracy and large required detection space exist in manual quality detection.
Disclosure of Invention
In order to solve the technical problem, the invention provides a water meter visual detection device. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
The invention adopts the following technical scheme:
in some optional embodiments, there is provided a water meter visual inspection apparatus, comprising: the system comprises a circulating conveying line, a visual automatic detection system and a PLC control system for controlling the circulating conveying line and the visual automatic detection system; the visual automatic detection system is arranged in a station platform detection area and used for inserting or sticking cards according to the type of the water meter in a preset sequence, shooting a water meter display screen, and matching the shot picture with the stored picture to judge whether the water meter is a defective product or not; and the circulating conveying line is used for conveying the water meter from the station table feeding area to the station table detection area and conveying the detected water meter to a finished product conveying rail or a defective product conveying rail in the station table discharging area according to the detection result of the visual automatic detection system.
In some optional embodiments, the water meter visual detection apparatus further includes: a feeding gripping device and a discharging gripping device; the feeding and grabbing device is arranged in the station table feeding area and used for transferring the water meter to be detected in the station table feeding area to a tray of the circulating conveying line; and the discharge gripping device is arranged in the station table discharge area and is used for transferring the detected water meter to a finished product conveying rail or a defective product conveying rail according to the detection result of the automatic vision detection system.
In some optional embodiments, the endless conveyor line comprises: the system comprises a main material conveying line, a feeding conveying line, a discharging conveying line, a to-be-detected product conveying line, a verification product conveying line and a channel changing mechanism; the feeding conveying line is connected with the conveying line of the to-be-detected product through the channel changing mechanism, and the discharging conveying line is connected with the conveying line of the to-be-detected product through the channel changing mechanism; the station platform detection area is provided with a plurality of detection positions, the feeding side of each detection position is provided with a to-be-detected product transmission line, and the discharging side is provided with a to-be-detected product transmission line.
In some optional embodiments, the feed material grasping apparatus includes: the feeding device comprises a feeding first cylinder, a feeding second cylinder, a feeding sliding plate, a feeding baffle plate, a feeding connecting plate, a feeding vertical plate, a feeding cylinder seat plate, a feeding third cylinder and a feeding clamping jaw; the feeding connecting plate is arranged on the feeding slide way support, the first air cylinder is arranged on the feeding connecting plate, the action end of the first feeding air cylinder is connected with the feeding baffle, the feeding sliding plate is arranged on the feeding slide way, the second feeding air cylinder is arranged on the feeding sliding plate, the action end of the second feeding air cylinder is connected with the feeding air cylinder base plate, the third feeding air cylinder is arranged on the feeding air cylinder base plate, and the movement end of the third feeding air cylinder is connected with the feeding clamping jaw.
In some optional embodiments, the outfeed gripping device comprises: the device comprises a discharging clamping jaw, a discharging first air cylinder and a discharging second air cylinder; the action end of the first discharging air cylinder is connected with the discharging sliding plate, the discharging sliding plate is installed on the discharging slideway, the second discharging air cylinder is installed on the discharging sliding plate through the discharging base plate, and the action end of the second discharging air cylinder is connected with the discharging clamping jaw.
In some optional embodiments, the lane-changing mechanism comprises: an arc-shaped track and a steering wheel; the arc-shaped track is arranged on the steering wheel.
In some optional embodiments, the visual automatic detection system comprises: the device comprises a rack, a camera, and a card insertion detection device and a card sticking detection device which are sequentially arranged along the moving direction of the water meter; the rack is provided with a baffle cylinder and a vertical cylinder, the card insertion detection device is connected with the action end of the baffle cylinder, and the card sticking detection device is connected with the action end of the vertical cylinder; the insertion card detecting device includes: the card inserting device comprises a card inserting cylinder and a card inserting slot, wherein the card inserting slot is arranged at an action end of the card inserting cylinder; the sticker card detection device comprises: paste card end step motor, ball and paste card draw-in groove, paste card end step motor drive end with ball is connected, paste the card draw-in groove setting and be in on ball's the screw nut.
In some optional embodiments, the insertion detection device further comprises: the device comprises a plug-in card end stepping motor, a rotary disc, a motor seat plate and a proximity switch arranged on the motor seat plate; the turntable is connected with a driving shaft of the card-inserting end stepping motor, the number of the card-inserting cylinders is three, and the three card-inserting cylinders are uniformly distributed on the turntable; the plug-in card end stepping motor is arranged on the motor base plate, a driving shaft of the plug-in card end stepping motor penetrates through the motor base plate and then is connected with the rotary table, and the proximity switch is located between the motor base plate and the rotary table.
In some optional embodiments, the sticker card detection device further includes: the air cylinder seat plate is connected with the action end of the transverse air cylinder, and the vertical air cylinder is arranged on the air cylinder seat plate.
In some optional embodiments, the sticker card detection device further includes: the L-shaped plate is connected with the action end of the vertical cylinder, the linear guide rail sliding table is arranged on the L-shaped plate, and the lead screw nut is arranged on the linear guide rail sliding table through the nut seat.
The invention has the following beneficial effects: the water meter to be detected is conveyed to a visual automatic detection system of a station platform detection area by a circulating conveying line, the visual automatic detection system performs card insertion or card sticking detection, a camera shoots pictures, whether the water meter is qualified or not is judged by matching, the water meter is placed according to the detection result in a classified mode, the existing manual detection mode is replaced, the automation degree is improved, the labor cost is reduced, and the efficiency and the accuracy of water meter detection are improved; the device is simple, stable and easy to operate; compared with manual detection, the required detection space is smaller; the work of each system is well interacted, and the influence on the existing production line is small.
For the purposes of the foregoing and related ends, the one or more embodiments include the features hereinafter fully described and particularly pointed out in the claims. The following description and the annexed drawings set forth in detail certain illustrative aspects and are indicative of but a few of the various ways in which the principles of the various embodiments may be employed. Other benefits and novel features will become apparent from the following detailed description when considered in conjunction with the drawings and the disclosed embodiments are intended to include all such aspects and their equivalents.
Drawings
FIG. 1 is a schematic front view of a water meter visual inspection apparatus of the present invention;
FIG. 2 is a top plan view of the visual inspection apparatus of the water meter of the present invention;
FIG. 3 is a perspective view of the water meter visual inspection apparatus of the present invention;
FIG. 4 is a schematic structural diagram of the lane-changing mechanism of the present invention;
FIG. 5 is a diagrammatic illustration of the endless conveyor line of the present invention;
FIG. 6 is another diagrammatic illustration of the endless transfer line of the present invention;
FIG. 7 is a front view of the feed material grasping device of the present invention;
FIG. 8 is a left side view of FIG. 7;
FIG. 9 is a schematic perspective view of the discharge gripping apparatus of the present invention;
FIG. 10 is a schematic structural view of an outfeed gripping device;
FIG. 11 is a schematic view of the vision inspection system of the present invention mounted on a workstation;
FIG. 12 is a schematic diagram of the automatic vision inspection system of the present invention;
FIG. 13 is a schematic view showing the connection of the card insertion cylinder, the card insertion slot, the card insertion end stepping motor and the turntable according to the present invention;
FIG. 14 is a schematic view of the card sticking detection device of the present invention mounted on a workstation;
FIG. 15 is a schematic view showing the connection of the card-sticking end stepping motor, the vertical cylinder, the horizontal cylinder, and the cylinder base plate according to the present invention;
fig. 16 is a perspective view of the card sticking detection device of the present invention.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims.
In some illustrative embodiments, as shown in fig. 1-6, there is provided a water meter visual inspection apparatus comprising: the automatic detection device comprises a circulating conveying line A, a vision automatic detection system B, PLC control system, a feeding grabbing device C and a discharging grabbing device D.
Visual automatic check out system B sets up in station platform detection zone, has a plurality of positions of examining in the station platform detection zone, and each examines and all sets up a visual automatic check out system B on examining the position, and every is examined the position and is independent module design, can increase visual automatic check out system B's quantity according to the detection demand. After the tray bearing the water meter enters, the visual automatic detection system B is used for inserting or sticking a card according to the type of the water meter according to the preset sequence, shooting a display screen of the water meter, matching the shot picture with the stored picture to judge whether the water meter is defective, automatically storing the shot picture and facilitating subsequent searching. When the water meter is plugged or stuck with a card, different characters or letters are displayed on the display screen according to the type of the water card, the camera shoots the water meter at the moment, the shot picture is uploaded to the upper computer to be matched with the stored picture, if the matching results are all the same, namely, the pictures shot after the zero clearing card, the setting card and the factory card are inserted into or stuck with the water meter are all the same as the stored corresponding pictures, the water meter is qualified, and otherwise, the water meter is defective.
And the circulating conveying line A is used for conveying the water meter from the station table feeding area to the station table detection area, and conveying the detected water meter to a finished product conveying track E or an inferior product conveying track F of the station table discharging area according to the detection result of the visual automatic detection system B. The tray carrying the water meter circularly flows on the circulating conveying line A, and the output power of the circulating conveying line is provided by a 250W motor. The water meter to be detected enters the water meter visual detection equipment from the station platform feeding area, then the water meter is sent to the visual automatic detection system B of each detection position by the circulating conveying line A according to the control of the PLC control system, and after the detection of the visual automatic detection system B is finished, the water meter is transferred to the station platform discharging area by the circulating conveying line A and selectively transferred to the finished product conveying track E or the defective product conveying track F according to the detection result.
The feeding and grabbing device C is arranged in the station table feeding area and used for transferring the water meter to be detected in the station table feeding area to a tray of the circulating conveying line A; the feeding grabbing device C is assembled on a feeding slideway 111, and the feeding slideway 111 is installed in a station table feeding area through a feeding slideway support 100.
The discharge grabbing device D is arranged in a discharge area of the station table and used for transferring the detected water meter to a finished product conveying track E or a defective product conveying track F according to a detection result of the visual automatic detection system B; ejection of compact grabbing device D assembles on ejection of compact slide, and ejection of compact slide passes through ejection of compact slide support 200 to be installed in station platform ejection of compact district.
And the PLC control system is used for controlling the circulating conveying line A, the visual automatic detection system B, the feeding grabbing device C and the discharging grabbing device D. Control circulation transfer chain A, vision automatic check out system B, feeding grabbing device C and ejection of compact grabbing device D all set up the sensor in corresponding position, the real-time data that will detect of sensor upload to PLC control system, PLC control system carries out the analysis and calculates back output control instruction to control circulation transfer chain A, vision automatic check out system B, feeding grabbing device C and ejection of compact grabbing device D's power unit, thereby control each mechanism and function according to the flow of predetermineeing.
The visual detection equipment for the water meters adopts the mechanical arm to automatically load and unload the water meters, namely, the water meters are loaded and unloaded through the feeding grabbing device C and the discharging grabbing device D, and are automatically conveyed to each visual automatic detection system B by the circulating conveying line A to be photographed, contrasted and detected, so that the visual detection equipment is compatible with various pipeline caliber water meters, and is compatible with various dial water meters, all water meters, and card inserting and swiping. If the water meter is not suitable for a certain water meter, the compatibility problem can be solved by replacing and adding the baffle and the gasket on the corresponding parts of the water meter vision detection equipment.
The circulation transfer chain A includes: a main material conveying line 11, a feeding conveying line 6, a discharging conveying line 7, a to-be-detected product conveying line 8, a verified product conveying line 9 and a lane changing mechanism 10. The feeding conveying line 6 is connected with the to-be-detected product conveying line 8 through a channel changing mechanism 10, and the discharging conveying line 7 is connected with the detected product conveying line 9 through a channel changing mechanism 10. The station platform detection area is provided with a plurality of detection positions, the feeding side of each detection position is provided with a to-be-detected product transmission line 8, and the discharging side is provided with a to-be-detected product transmission line 9. The whole of the to-be-detected product conveying line 8 and the detected product conveying line 9 is a conveying line, the number of the to-be-detected product conveying lines is consistent with that of the detection positions, namely, each visual automatic detection system B corresponds to one to-be-detected product conveying line 8 and one detected product conveying line 9. The lane changing mechanism 10 is arranged at the position where each to-be-detected product conveying line 8 is connected with the feeding conveying line 6 and the position where the detected product conveying line 9 is connected with the discharging conveying line 7, and the lane changing mechanism 10 is communicated with the feeding conveying line 6, the discharging conveying line 7 and each to-be-detected product conveying line 8 and detected product conveying line 9 according to a control instruction of the PLC control system. As shown in fig. 5-6, when the steering wheel 382 rotates, the arc-shaped rail 381 is driven to rotate to the corresponding position, so that the circulating conveying line can be conveyed circularly or according to an arbitrarily set route according to the change of the lane-changing mechanism 10.
During operation, the water meter is firstly conveyed to the feeding grabbing device C through the main material conveying line 11, the feeding grabbing device C grabs and puts the feeding conveying line 6 into the water meter, after the water meter grabs into the tray, the station sensor feeds back signals to the PLC control system, and under the cooperation of each lane changing mechanism 10, the water meter to be detected is conveyed to an empty detection position to be subjected to card insertion detection. After the detection is finished, the water meter is transferred to a discharge conveying line 7 by each detected product conveying line 9 under the matching work of each lane changing mechanism 10, finally the water meter is grabbed to a finished product conveying rail E or a defective product conveying rail F by a discharge grabbing device D, and finally qualified products are manually packed and boxed.
The total material conveying line 11, the feeding conveying line 6, the discharging conveying line 7 and the conveying lines consisting of the to-be-detected product conveying line 8 and the detected product conveying line 9 are mutually independent conveying lines, and each conveying line is driven by an independent motor.
The action end of the cylinder mentioned below refers to the end that moves when the cylinder is operated, such as the piston rod of the cylinder.
As shown in fig. 7-8, the feeding grasping device C is disposed in the feeding area of the station table, and the feeding grasping device C is assembled on the feeding chute 111 disposed in the feeding area of the station table through the feeding chute support 100.
The feeding and gripping device C includes: feeding first cylinder 1001, feeding second cylinder 1002, feeding sliding plate 1003, feeding baffle 1004, feeding connecting plate 1005, feeding vertical plate 1006, feeding cylinder base plate 1007, feeding third cylinder 1008 and feeding clamping jaw 1009.
The feeding connecting plate 1005 is arranged on the feeding slideway support 100, the feeding first cylinder 1001 is arranged on the feeding connecting plate 1005, the action end of the feeding first cylinder 1001 is connected with the feeding baffle 1004, and when the feeding first cylinder 1001 moves, the feeding baffle 1004 is pushed to move. The feeding sliding plate 1003 is connected with the feeding baffle 1004, and the feeding sliding plate 1003 is assembled on the feeding chute 111 and can slide on the feeding chute 111. Feeding second cylinder 1002 sets up on feeding slide 1003, and the action end of feeding second cylinder 1002 is connected with feeding cylinder bedplate 1007 for feeding cylinder bedplate 1007 drives feeding clamping jaw 1009 up-and-down motion, and feeding third cylinder 1008 is installed on feeding cylinder bedplate 1007, and the motion end of feeding third cylinder 1008 is connected with feeding clamping jaw 1009. The feed riser 1006 shelters the feed jaws 1009.
As shown in fig. 9-10, the discharging gripping device D is disposed in the discharging area of the station platform, the discharging gripping device D is assembled on a discharging slideway, the discharging slideway is mounted in the discharging area of the station platform through a discharging slideway support 200, and the discharging area of the station platform includes a finished product conveying track E and a defective product conveying track F. The defective product conveying track F is arranged obliquely downwards, the finished product conveying track E is provided with a conveying belt, and an included angle between the finished product conveying track E and the defective product conveying track F is a right angle.
Ejection of compact grabbing device D includes: a discharging clamping jaw 2001, a discharging first cylinder 2002, a discharging second cylinder 2003, a discharging sliding plate 2004 and a discharging seat plate 2006.
The action end of the first discharging cylinder 2002 is connected with a discharging sliding plate 2004, the discharging sliding plate 2004 is arranged on a discharging slideway to drive the discharging clamping jaw 2001 to move back and forth, the second discharging cylinder 2003 is arranged on the discharging sliding plate 2004 through a discharging base plate 2006, and the action end of the second discharging cylinder 2003 is connected with the discharging clamping jaw 2001 to drive the discharging clamping jaw 2001 to move up and down.
As shown in fig. 11 and 12, the visual automatic detection system B, which is disposed on the water meter detection line, includes: frame 1, camera 2, plug-in card detection device 3 and paste card detection device 4. Frame 1 sets up on the transmission line of water gauge 5, sets up promptly and waits to detect on the transmission line that article transmission line 8 and examination article transmission line 9 are constituteed, and camera 2 sets up in frame 1, and camera 2 is located between card detection device 3 and the card detection device 4 that pastes, and card detection device 3 and paste card detection device 4 and be located the water gauge and detect a both sides. When the water meter 5 is transported to the vision automatic detection system B of the invention by the feeding transmission line 6 and the transmission line 8 of the product to be detected, the card-inserting detection device 3 descends to insert the card into the water meter when the water meter is in the card-inserting type, and the card-sticking detection device 4 descends to stick the card into the water meter when the water meter is in the card-sticking type. When the water meter is matched with different water cards, the camera 2 shoots the content displayed on the screen of the water meter in real time, and uploads the shot data to the upper computer for analysis and processing, so that whether the water meter is qualified is judged.
The card insertion detection device 3 and the card sticking detection device 4 are sequentially arranged in the moving direction of the water meter. A baffle cylinder 301 and a vertical cylinder 409 are arranged on the frame 1, the card insertion detection device 3 is connected with the action end of the baffle cylinder 301, and the card sticking detection device 4 is connected with the action end of the vertical cylinder 409. Baffle cylinder 301 and vertical cylinder 409's effect drives card-inserting detection device 3 and pastes card detection device 4 rising/decline in frame 1 respectively, need examine time measuring, and the corresponding detection device of control descends, detects the back that finishes, and the corresponding detection device of control rises to the water gauge of being convenient for is in the utility model discloses a water gauge vision automatic checkout system is well walked, and utilizes the water gauge of different detection device adaptation different operating modes, increases the detection range of water gauge.
As shown in fig. 12 and 13, the insertion-card detecting device 3 includes: the card slot mechanism comprises a baffle cylinder 301, a card inserting cylinder 302, a card inserting slot 303, a card inserting end stepping motor 304, a rotary disc 305, a motor base plate 306 and a proximity switch 307.
The card-inserting end stepping motor 304 is arranged on the motor seat plate 306, a driving shaft of the card-inserting end stepping motor 304 penetrates through the motor seat plate 306 and then is connected with the turntable 305, namely the turntable 305 is driven by the card-inserting end stepping motor 304 to rotate, the three card-inserting cylinders 302 are uniformly distributed on the turntable 305, and the positions of the three card-inserting cylinders 302 can be adjusted when the turntable 305 rotates. When the water meter is in work, the card-inserting end stepping motor 304 counts and rotates, the programs to be executed are sequentially zero clearing, setting, zero clearing and leaving a factory, and after the card-inserting end stepping motor 304 rotates to a certain position, the positions of the three card-inserting air cylinders 302 are positioned by the positioning pins and continuously rotated and switched, so that different water meter cards are sequentially inserted according to the preset sequence.
Card-inserted water meter detection process: after the plug-in card water gauge targets in place, PLC control system can carry out the plug-in card procedure, fall by baffle cylinder 301 at first, drive plug-in card detection device 3 and move down, behind plug-in card detection device 3 to the position, it is rotatory to count through plug-in card end step motor 304, the procedure that needs to carry out is the zero clearing in proper order, set up, the zero clearing, dispatch from the factory, after plug-in card end step motor 304 rotates certain position, can be fixed a position by the locating pin, then respond to through proximity switch 307, give PLC control system signal, give plug-in card cylinder 302 out-command behind the PLC control system received signal, carry out the plug-in card action, through circulating behind the plug-in card, shoot by camera 2, then through visual matching, judge the good or.
As shown in fig. 12, 14, 15, and 16, the attached card detection device 4 includes: the device comprises a sticking end stepping motor 401, a ball screw 402, a sticking clamping groove 403, a transverse air cylinder 404, an air cylinder base plate 405, an L-shaped plate 406, a linear guide rail sliding table 407, a guide rail assembly 408, a vertical air cylinder 409, a nut base 410, a bearing beam 411, a sliding rail 412 and a sliding block 413.
The driving end of the sticking end stepping motor 401 is connected with the ball screw 402, and drives the ball screw 402 to rotate. The sticking card groove 403 is provided on the screw nut of the ball screw 402. When the card sticking end stepping motor 401 drives the ball screw 402 to rotate, the screw nut makes linear motion on the ball screw 402, so as to drive the card sticking groove 403 to move. Three clamping groove positions are formed in the card pasting clamping groove 403, a zero clearing card, a setting card and a factory card are respectively inserted into the clamping groove, when the card pasting end stepping motor 401 rotates forwards and turns over, the axial direction of the ball screw 402 of the card pasting clamping groove 403 can be driven to reciprocate, the positions of the three clamping groove positions in the card pasting clamping groove 403 are switched, and therefore different water meter cards are sequentially pasted in a preset sequence for detection.
The L-shaped plate 406 is connected with the action end of the vertical cylinder 409, the linear guide rail sliding table 407 is arranged on the L-shaped plate 406, the screw nut is arranged on the linear guide rail sliding table 407 through the nut seat 410, namely, the screw nut moves along the linear guide rail sliding table 407, the sticking card clamping groove 403 is arranged on the nut seat 410, namely, the sticking card clamping groove 403 moves along the linear guide rail sliding table 407, and the whole structure is more stable. When the vertical air cylinder 409 acts, the L-shaped plate 406 is driven to ascend/descend, thereby driving the card sticking clamping groove 403 to ascend/descend. When the water meter reaches the detection position, the vertical air cylinder 409 puts down the card sticking clamping groove 403, and the card sticking end stepping motor 401 acts to drive the card sticking clamping groove 403 to move left and right.
The guide rail assembly 408 is arranged on a bearing beam 411, and the bearing beam 411 is connected with the frame 1. The rail assembly 408 includes: a slide rail 412 and a slide block 413, wherein the slide rail 412 is arranged on the bearing beam 411, and the cylinder seat plate 406 is connected with the slide block 413. The air cylinder base plate 405 is connected with the action end of the transverse air cylinder 404, and the vertical air cylinder 409 is arranged on the air cylinder base plate 405. When the card sticking clamping groove 403 is driven to the corresponding position by the vertical air cylinder 409 and the card sticking end stepping motor 401, the transverse air cylinder 404 drives the air cylinder base plate 405, and the air cylinder base plate 405 moves towards the water meter under the support of the guide rail assembly 408, so that the corresponding water meter card is attached to the water meter.
Sticking a card water meter to detect: the sticking operation is controlled through a PLC program, when a sticking water meter is in place, a PLC control system controls a vertical air cylinder 409 to move to put down a sticking detection device 4, the PLC control system executes a sticking program, a ball screw 402 is driven by a sticking end stepping motor 401 to rotate forwards and backwards to drive a sticking card clamping groove 403 to move back and forth, when the sticking card clamping groove 403 takes a corresponding water meter card to reach a corresponding position, a transverse air cylinder 404 moves to finish the sticking operation, the camera 2 shoots the water meter, and the working condition of the water meter is judged through visual matching.
3 cards can be inserted for 4 times according to the PLC control system program, namely, the steps of zero clearing, setting, zero clearing and leaving factory are carried out in sequence.
The water gauge detects the warning and gives PLC control module signal through the visual identification procedure of equipment itself, when the unqualified condition appears in the detection water gauge, shoot through the vision time and detect, carry out the inside procedure processing contrast of procedure, give PLC with the result through data transmission feedback, PLC accepts unqualified water gauge signal and can give out the instruction, the bright red light of beacon at control distribution box top also has the demonstration on the touch-sensitive screen simultaneously.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.
Claims (8)
1. Water gauge visual detection equipment, its characterized in that includes: the system comprises a circulating conveying line, a visual automatic detection system and a PLC control system for controlling the circulating conveying line and the visual automatic detection system;
the visual automatic detection system is arranged in a station platform detection area and used for inserting or sticking cards according to the type of the water meter in a preset sequence, shooting a water meter display screen, and matching the shot picture with the stored picture to judge whether the water meter is a defective product or not;
the circulating conveying line is used for conveying the water meter from the station table feeding area to the station table detection area and conveying the detected water meter to a finished product conveying rail or a defective product conveying rail in the station table discharging area according to the detection result of the visual automatic detection system; further comprising: a feeding gripping device and a discharging gripping device; the feeding and grabbing device is arranged in the station table feeding area and used for transferring the water meter to be detected in the station table feeding area to a tray of the circulating conveying line; the discharge grabbing device is arranged in a discharge area of the station table and used for transferring the detected water meter to a finished product conveying rail or a defective product conveying rail according to a detection result of the automatic visual detection system; the circulation transfer chain includes: the system comprises a main material conveying line, a feeding conveying line, a discharging conveying line, a to-be-detected product conveying line, a verification product conveying line and a channel changing mechanism; the feeding conveying line is connected with the conveying line of the to-be-detected product through the channel changing mechanism, and the discharging conveying line is connected with the conveying line of the to-be-detected product through the channel changing mechanism; the station platform detection area is provided with a plurality of detection positions, the feeding side of each detection position is provided with a to-be-detected product transmission line, and the discharging side is provided with a to-be-detected product transmission line.
2. A water meter vision inspection apparatus as claimed in claim 1, wherein said feed capture device comprises: the feeding device comprises a feeding first cylinder, a feeding second cylinder, a feeding sliding plate, a feeding baffle plate, a feeding connecting plate, a feeding vertical plate, a feeding cylinder seat plate, a feeding third cylinder and a feeding clamping jaw; the feeding connecting plate is arranged on the feeding slide way support, the first air cylinder is arranged on the feeding connecting plate, the action end of the first feeding air cylinder is connected with the feeding baffle, the feeding sliding plate is arranged on the feeding slide way, the second feeding air cylinder is arranged on the feeding sliding plate, the action end of the second feeding air cylinder is connected with the feeding air cylinder base plate, the third feeding air cylinder is arranged on the feeding air cylinder base plate, and the movement end of the third feeding air cylinder is connected with the feeding clamping jaw.
3. A water meter vision inspection apparatus as set forth in claim 2, wherein said outfeed pickup device includes: the device comprises a discharging clamping jaw, a discharging first air cylinder and a discharging second air cylinder; the action end of the first discharging air cylinder is connected with the discharging sliding plate, the discharging sliding plate is installed on the discharging slideway, the second discharging air cylinder is installed on the discharging sliding plate through the discharging base plate, and the action end of the second discharging air cylinder is connected with the discharging clamping jaw.
4. A water meter visual inspection device as set forth in claim 3, wherein said lane-change mechanism includes: an arc-shaped track and a steering wheel; the arc-shaped track is arranged on the steering wheel.
5. A water meter visual inspection device as claimed in claim 1 or claim 4, wherein the visual automatic inspection system includes: the device comprises a rack, a camera, and a card insertion detection device and a card sticking detection device which are sequentially arranged along the moving direction of the water meter; the rack is provided with a baffle cylinder and a vertical cylinder, the card insertion detection device is connected with the action end of the baffle cylinder, and the card sticking detection device is connected with the action end of the vertical cylinder; the insertion card detecting device includes: the card inserting device comprises a card inserting cylinder and a card inserting slot, wherein the card inserting slot is arranged at an action end of the card inserting cylinder; the sticker card detection device comprises: paste card end step motor, ball and paste card draw-in groove, paste card end step motor drive end with ball is connected, paste the card draw-in groove setting and be in on ball's the screw nut.
6. The visual inspection device of a water meter as set forth in claim 5, wherein said paddle-card detection means further comprises: the device comprises a plug-in card end stepping motor, a rotary disc, a motor seat plate and a proximity switch arranged on the motor seat plate; the turntable is connected with a driving shaft of the card-inserting end stepping motor, the number of the card-inserting cylinders is three, and the three card-inserting cylinders are uniformly distributed on the turntable; the plug-in card end stepping motor is arranged on the motor base plate, a driving shaft of the plug-in card end stepping motor penetrates through the motor base plate and then is connected with the rotary table, and the proximity switch is located between the motor base plate and the rotary table.
7. A water meter visual inspection device as set forth in claim 6, wherein said sticker detection device further comprises: the air cylinder seat plate is connected with the action end of the transverse air cylinder, and the vertical air cylinder is arranged on the air cylinder seat plate.
8. A water meter visual inspection device as set forth in claim 7, wherein said sticker detection device further comprises: the L-shaped plate is connected with the action end of the vertical cylinder, the linear guide rail sliding table is arranged on the L-shaped plate, and the lead screw nut is arranged on the linear guide rail sliding table through the nut seat.
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| CN111397702B (en) * | 2020-04-08 | 2021-08-20 | 杭州德创能源设备有限公司 | Automatic water meter verification system |
| CN111879380B (en) * | 2020-08-03 | 2022-06-21 | 邵东智能制造技术研究院有限公司 | Water meter detection device and method |
| CN111854896B (en) * | 2020-08-03 | 2022-07-19 | 邵东智能制造技术研究院有限公司 | Water meter detection assembly line |
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| US7800009B2 (en) * | 2007-10-30 | 2010-09-21 | Logical Systems Incorporated | Air separator conveyor and vision system |
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| CN105531041A (en) * | 2013-07-19 | 2016-04-27 | 威尔科股份公司 | Method of in-line testing devices and testing apparatus |
| CN206373080U (en) * | 2016-11-11 | 2017-08-04 | 杭州水表有限公司 | Water meter calibration automatic assembly line system |
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