CN114754845A - Full-automatic flexible detection line for water meter and control method thereof - Google Patents
Full-automatic flexible detection line for water meter and control method thereof Download PDFInfo
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- CN114754845A CN114754845A CN202210391190.9A CN202210391190A CN114754845A CN 114754845 A CN114754845 A CN 114754845A CN 202210391190 A CN202210391190 A CN 202210391190A CN 114754845 A CN114754845 A CN 114754845A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
Abstract
The invention discloses a full-automatic flexible detection line of a water meter and a control method thereof, wherein the full-automatic flexible detection line comprises n calibrating devices, a transmission system, a pressurized water supply system and a central control controller, wherein each calibrating device comprises a meter calibrating table body, a meter clamping device, a standard flow meter, a flow regulating valve group, a commutator, a weighing container, an electronic scale and a camera sensor; the pressurized water supply system comprises a water tank, a pressure stabilizing tank, a water pump frequency converter, a total flowmeter and a water supply pipeline; the conveying system comprises a conveying belt of the meter to be detected, a conveying belt of the checked meter, a material vehicle track, a material vehicle, a meter loading and unloading robot, a robot running track and a water meter transferring robot, wherein n is more than or equal to 2; the invention realizes batch automatic verification of the water meters by a plurality of verification devices, further realizes full automation of loading and unloading in the verification of the water meters by combining a transmission system, improves verification efficiency and saves human resources.
Description
Technical Field
The invention relates to the technical field of water meter detection, in particular to a full-automatic flexible detection line for a water meter and a control method thereof.
Background
The water meters with the nominal diameter not exceeding DN25 are mostly used in households, almost each household has at least one water meter, according to the regulation of the national metrological verification regulation JJJG 162-2019 drinking cold water meter, the nominal diameter is DN50 and below, and the common flow Q is 3Not more than 16m3The water meter of the/h needs to be firstly and forcibly verified before installation. The water meter is calibrated by adopting a water meter calibrating device, the current water meter calibrating device is mainly operated manually, and few devices with full-automatic calibrating function are available. Because the first forced verification of the water meter is mostly batch verification, the verification amount is large, the number of the clamped meters of the traditional manual device is limited, generally, no more than 4 meters are subjected to single series verification, and each device needs to be provided with one verification person for meter loading, meter unloading, different flow points adjustment, data recording and the like, so that the efficiency cannot be improved; even if a plurality of calibrating devices are arranged in a laboratory, the calibrating devices are not linked, all detection tasks are not flexibly distributed, and the efficiency is further reduced.
Disclosure of Invention
Technical problem to be solved
Based on the problems, the invention provides a full-automatic flexible detection line for water meters and a control method thereof, which realize batch and full-automatic verification of a plurality of water meters, and all verification devices form linkage, thereby saving human resources and improving verification efficiency.
(II) technical scheme
Based on the technical problem, the invention provides a full-automatic flexible detection line for a water meter, which comprises n detection devices, a transmission system, a pressurized water supply system and a central control controller, wherein each detection device comprises a detection table body, a meter clamping device, a standard flowmeter, a flow regulating valve group, a commutator, a weighing container, an electronic scale and a camera sensor; the pressurized water supply system comprises a water tank, a pressure stabilizing tank, a water pump frequency converter, a total flow meter and a water supply pipeline; the conveying system comprises a conveying belt of the meter to be detected, a conveying belt of the checked meter, a material vehicle track, a material vehicle, a meter loading and unloading robot, a robot running track and a water meter transferring robot, wherein n is more than or equal to 2;
The meter clamping device is positioned on the meter detecting platform body and is connected with each detected water meter through a straight pipe, the camera sensor is arranged above each detected water meter, the water tank, the water pump, the pressure stabilizing tank, the meter clamping device, the commutator and the weighing container of each detecting device are connected through a water supply pipeline to form a loop, the electronic scale is positioned below the weighing container, and the standard flowmeter and the flow regulating valve group are arranged on the water supply pipeline of each detecting device; the water pump is connected with a water pump frequency converter, a total flowmeter is arranged between the pressure stabilizing tank and the water pump, and the water supply pipeline is opened and closed through a water valve; the meter conveyor belt to be detected is used for conveying the assembled water meter to be detected, the meter conveyor belt to be detected is used for conveying the water meter to be detected to a packaging position, the water meter transfer robot is used for grabbing the detected water meter to the material vehicle from the conveyor belt to be detected, and the detected water meter is grabbed from the material vehicle to the detected meter conveyor belt, the material vehicle reciprocates between each detection device and the to-be-detected meter conveyor belt and the detected meter conveyor belt through the material vehicle track, the meter loading and unloading robot is used for unloading a tested water meter from the meter testing table body through the first robot hand and placing the tested water meter on the material vehicle, a water meter to be detected is taken from the material vehicle by a second robot hand and is arranged on a meter detecting platform body, before the loading and unloading meter robot reaches each calibrating device through the robot running track, the water meter to be detected and the detected water meter are detected water meters in different detection states; the standard flowmeter, the flow regulating valve group, the electronic scale, the camera sensor, the pressure stabilizing tank, the water pump frequency converter, the total flowmeter, the conveyor belt of the meter to be detected, the conveyor belt of the checked meter, the material vehicle, the meter loading and unloading robot and the water meter transferring robot are respectively connected with the central control controller.
Furthermore, the calibrating device also comprises a pressure sensor and a temperature sensor which are arranged on the water supply pipeline of each calibrating device.
Furthermore, the pressurized water supply system also comprises a water treatment system, and the water treatment system is used for purifying water and is connected with the water tank.
Furthermore, a low liquid level switch and a high liquid level switch are arranged in the water tank, and the water tank is also provided with a refrigerating unit and a water temperature sensor.
Further, calibrating installation symmetrical layout, conveying system is located in the middle of the calibrating installation of symmetric distribution, wait to examine the table conveyer belt and set up 2, correspond the calibrating installation of one side respectively, it is located 2 and waits to examine between the table conveyer belt to examine the table conveyer belt to examine, the water gauge transfer robot sets up 2, corresponds 1 respectively and waits to examine the table conveyer belt, the loading and unloading table robot sets up 2, is responsible for the calibrating installation of one side respectively.
Further, calibrating installation has 8, the material car sets up 4, every the material car is responsible for 2 adjacent calibrating installations, the material car has two rows of epitopes, and one row of epitope is used for placing the water gauge that has examined, and another row of epitope is used for placing and waits to examine the water gauge, and the epitope size can be adjusted.
Further, the conveying system further comprises a high-speed laser coding machine, and the high-speed laser coding machine is installed on the checked table conveying belt.
Furthermore, the central control controller is connected with a production management database through a central control upper computer.
The invention also discloses a control method of the full-automatic flexible detection line of the water meter, which comprises the following steps: the assembled off-line water meter to be detected is conveyed in by the conveyor belt to be detected, the water meter transfer robot clamps the water meter to be detected from the conveyor belt to be detected to the meter position to be detected on the material vehicle, the material vehicle automatically shifts to the front of a specified verification device along the track of the material vehicle after the meter position to be detected on the material vehicle is full, the meter loading and unloading robot firstly unloads the water meter to be detected on the verification device from the meter clamping device and places the water meter to be detected on the material vehicle at the detected meter position, then clamps and installs the water meter to be detected in the meter position to be detected on the material vehicle on the meter clamping device until all the water meters to be detected in the meter position to be detected on the material vehicle are installed on the meter clamping device, the material vehicle returns to the position, the water meter transfer robot clamps the detected water meter in the detected meter position on the material vehicle to the conveyor belt to be detected, and codes are printed by a high-speed laser coding machine and then a packing box is printed;
The water meter to be detected on each detecting table body is clamped by a meter clamping device, a water valve is controlled to ensure that water with set flow rate flows through the detected water meter in each detecting device after being pressurized by a water pump and a pressure stabilizing tank through the water tank, the water enters a weighing container through a standard electromagnetic flow meter, a flow regulating valve group and a commutator, the water of each detecting device is collected and flows back to the water tank after being weighed by an electronic scale, meanwhile, a central control controller collects the data of the total flow meter and the standard flow meter, the electronic scale and a camera sensor in each detecting device, the difference value between the flow sum of the standard flow meter in each detecting device and the total flow meter is calculated, the flow rates of a water pump frequency converter, the pressure stabilizing tank and the flow regulating valve group are controlled according to PID regulation, and the one-time detection is carried out according to the standard volume obtained by calculation of the standard flow meter and the measurement data of each water meter to be detected, which are collected by the camera sensor, with Q3、Q2、Q1And repeatedly completing three times of verification by taking the three flow points as set flow to obtain verification results, generating two-dimensional codes of qualified information for the qualified verification results, generating unqualified prints for the unqualified verification results, and printing the codes by a high-speed laser coding machine when the codes are on a checked table conveyor belt.
Furthermore, the time for each loading and unloading meter robot to load and unload 10 water meters is less than 2 minutes, and the time for the material trolley to reciprocate between the appointed meter detection platform body and the conveyor belt for the meter to be detected and the detected meter conveyor belt is less than 2 minutes.
(III) advantageous effects
The technical scheme of the invention has the following advantages:
(1) the invention realizes the automatic batch verification of the water meters by a plurality of verification devices, further realizes the full automation of the water meter verification feeding and discharging by combining a transmission system by utilizing the technologies of intelligent robots, self-animal streamlines and the like, has better linkage among the devices, improves the verification efficiency and saves manpower resources;
(2) the invention adopts dual standards of an electronic scale and a standard flowmeter, wherein the standard flowmeter is used as a working standard to realize the rapid detection of the water meter; the electronic scale is used as a checking standard, the standard meter can be calibrated and checked at any time and any place, the accuracy and the uniformity of the quantity value are ensured, and the influence of periodic inspection of the standard meter on the production operation by a previous metering mechanism is avoided; the double standards enable the accuracy of the verification result to be higher;
(3) the invention adopts the data of the total flow meter and the standard flow meters in each calibration device, carries out flow regulation and control through comparison, ensures that the inlet flow and the outlet flow are equal, ensures the pressure stability, improves the flow stability, and further ensures the accuracy of the calibration result of the water meter by detecting the pressure and the temperature in the pipeline through the sensor;
(4) The calibration device adopts a symmetrical layout, is superior to the prior annular layout, fully utilizes the characteristics of large unfolding range and accurate positioning of the intelligent robot arm, and reduces the use number of robots;
(5) the main body of the whole production line control system has very strong expansibility, can flexibly allocate detection tasks of water meters with different specifications, and really realizes flexible detection with small batch and customization; manpower resources are greatly saved, and working efficiency is greatly improved; the logistics accumulation degree of the meter is reduced, the turnover efficiency is improved, and the occupation of a detection field is reduced;
(6) according to the invention, through the control of the time nodes, the linkage of each device is better, the operation is smoother, and the verification efficiency is further improved.
Drawings
The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are illustrative and not to be construed as limiting the invention in any way, and in which:
fig. 1 is a schematic plan layout view of a full-automatic flexible detection line of a water meter according to an embodiment of the present invention;
FIG. 2 is a front view of an assay device according to an embodiment of the invention;
FIG. 3 is a rear view of an assay device according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a transmission flow of the transmission system according to an embodiment of the present invention;
In the figure: 1: a calibrating device; 11: checking a table body; 12: a meter clamping device; 13: a commutator; 14: weighing the container; 15: an electronic scale; 16: a camera sensor; 17: a standard flow meter; 18: a flow regulating valve group; 21: a water tank; 22: a water pump; 23: a surge tank; 31: a conveyor belt for the meter to be tested; 32: a checked meter conveyor belt; 33: a material vehicle track; 34: a material vehicle; 35: a load and unload table robot; 36: a robot running track; 37: a water meter transfer robot; 4: and (6) detecting the water meter.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The full-automatic flexible detection line of the water meter is shown in figure 1 and comprises 8 verification devices 1 which are symmetrically arranged, a transmission system, a pressurized water supply system and a central control controller, wherein the transmission system is positioned in the middle of the verification devices 1 which are symmetrically distributed.
The calibrating device 1 is shown in fig. 2 and fig. 3, and comprises 10 meter detecting table bodies 11, meter clamping devices 12, electronic scales 15, weighing containers 14, a commutator 13, a standard flowmeter 17, a flow regulating valve group 18, a pressure sensor, a temperature sensor and a camera sensor 16, wherein the meter clamping devices 12 are positioned on the meter detecting table bodies 11, the meter clamping devices 12 are connected with the water meters 4 to be detected through straight pipes, a water tank 21 is connected with the meter clamping devices 12 through a water inlet pipe in a water supply pipeline, the meter clamping devices 12 are connected with a water outlet pipe in the water supply pipeline, the water outlet pipe is connected with the weighing containers 14 through the commutator, the weighing containers 14 are connected with the water tank 21 through the water supply pipeline, the electronic scales 15 are arranged below the weighing containers 14, the electronic scales 15 are used for measuring mass, the standard volume of inlet water is calculated through buoyancy correction of mass and water tightness values, the standard flowmeter 17 is a standard electromagnetic flowmeter, the device is used for measuring the pulse number and obtaining the standard volume of the inlet water by multiplying the pulse equivalent; the camera sensor 16 is arranged above the meter detecting platform body 11, faces each detected water mark, and is used for collecting dial data of the detected water meter 4, and the standard flowmeter 17, the flow regulating valve group 18, the pressure sensor and the temperature sensor are arranged on a water supply pipeline of each calibrating device 1;
The pressurized water supply system comprises a water tank 21, a surge tank 23, a water pump 22, a water pump frequency converter, a total flowmeter, a water treatment system and a water supply pipeline, wherein the water tank 21, the water pump 22, the surge tank 23 and the meter clamping device 12, the commutator and the weighing container 14 of each calibrating device 1 are connected through the water supply pipeline to form a loop, the water tank 21 is connected with the water treatment system, so that water in the water tank 21 flows out after being pressurized by the water pump 22 and the surge tank 23, and residual gas is flushed out of the pipeline through high-speed water flow, bubbles on a water meter dial are reduced, and data acquisition by the camera sensor 16 is facilitated; the water flowing back to the water tank 21 is purified by the water treatment system to keep the water quality of the water tank 21 up to the standard; a total flow meter is arranged between the pressure stabilizing tank 23 and the water pump 22, and is a standard electromagnetic flow meter and used for detecting the total flow so as to compare the flow sum of all the calibrating devices 1 with the flow of the total electromagnetic flow meter, so that the inlet flow and the outlet flow are equal, the total pressure is stable, and the flow stability is improved; a low liquid level switch and a high liquid level switch are arranged in the water tank 21 to keep the water level in the water tank 21 stable; the water tank 21 is also provided with a refrigerating unit and a water temperature sensor, the refrigerating unit is automatically started when the water temperature is higher than 25 ℃, and the refrigerating unit is automatically closed when the water temperature is lower than 20 ℃.
The conveying system comprises 2 to-be-detected meter conveying belts 31, 1 to-be-detected meter conveying belt 32, a material vehicle track 33, a material vehicle 34, a meter loading and unloading robot 35, a robot running track 36, a water meter transfer robot 37 and a high-speed laser coding machine, wherein the 1 to-be-detected meter conveying belt 32 is positioned between the 2 to-be-detected meter conveying belts 31; the conveyor belt 31 for the water meter to be detected is used for conveying the assembled water meter, and one side of the conveyor belt corresponds to 4 verification devices 1; the detected meter conveying belt 32 is used for conveying the detected water meters to a packaging position, and the length of the detected water meters is about 30 meters; the water meter transfer robot 37 is used for grabbing the detected water meter 4 from the conveyor belt 31 to be detected to the material vehicle 34, grabbing the detected water meter 4 from the material vehicle 34 to the detected conveyor belt 32, and is provided with 2 water meter transfer robots 37, wherein the movement radius of the water meter transfer robot 37 is 0.9m, and one water meter transfer robot 37 is responsible for 2 material vehicles 34 and corresponds to one conveyor belt 31 to be detected; the loading and unloading table robot 35 is used for unloading a detected water meter from the verification device 1 through a first robot, placing the detected water meter on the material vehicle 34, taking a water meter to be detected from the material vehicle 34 through a second robot, installing the water meter to be detected on the verification device 1, arranging 2 loading and unloading table robots 35 which are respectively responsible for 4 verification devices 1 on one side, wherein the movement radius of each loading and unloading table robot 35 is 1.8m, and configuring a robot running track 36, so that the loading and unloading table robot 35 can operate the material vehicle 34 and the verification devices 1, and the length of the robot running track 36 is about 10 m; the material vehicle 34 is provided with two rows of epitopes, each row is provided with 10 epitopes, one row of epitopes is used for placing a detected water meter, the other row of epitopes is used for placing a water meter to be detected, the size of the epitopes can be adjusted, the epitopes are respectively 5mm larger than the length and the width of the water meter to be detected, the depth is 30mm higher, 4 material vehicles 34 are arranged for improving the speed, each material vehicle 34 is responsible for 2 adjacent verification devices 1, each material vehicle 34 is provided with a material vehicle track 33, the height of the track material vehicle 34 is slightly lower than the height of a table body 11 of the detected meter corresponding to two verification devices 1; the water meter to be detected and the detected water meter are detected water meters 4 in different detection states; the high-speed laser coding machine is arranged on the checked meter conveying belt 32 and is used for engraving and printing a two-dimensional code which represents information such as a water meter delivery number, a checking platform, checking time, a checking result and the like to a specified position of the checked water meter.
In order to realize automatic detection, detection data of the detection device 1 are connected with a central control controller by adopting an industrial Ethernet ring network, 2Gb/s data transmission can be supported in real time, 120 stations can be supported to the maximum extent, and the scale can be continuously enlarged according to the productivity; the transmission system adopts an independent industrial control bus to connect the central controller, an independent network can support 10Mb/s industrial IO data transmission in real time and can support 64 nodes to the maximum extent, and the design of the function-independent nodes is convenient for later equipment function upgrading and fault point confirmation and maintenance; the standard electromagnetic flowmeter, the pressure sensor, the temperature sensor, the water pump frequency converter, the refrigerating unit and the water treatment system are all in signal connection with the central control controller, and information such as water pressure and flow is collected to be adjusted through the central control controller so as to keep the water pressure and flow stable; the central control controller adopts a large programmable controller, a loop control module is arranged in a functional modularization manner to ensure that the water pressure flow is stable, various bus communication modules collect detection data in real time and coordinate the work of a transmission system, and the later stage of the optional 12-groove substrate can be expanded; the central control controller is connected with a central control upper computer, the central control upper computer can be upwards connected with a production management database on a customer side, detection data are downwards collected to store, print, backup and the like the detection data, and edge calculation is comprehensively carried out from top to bottom according to customer requirements to generate corresponding CPK indexes, so that management is facilitated.
The control flow of the full-automatic flexible detection line for the water meter provided by the embodiment of the invention is as follows: as shown in fig. 4, the assembled offline water meters to be detected are conveyed in by two to-be-detected meter conveyor belts 31, the water meter transfer robot 37 clamps the water meters to be detected from the to-be-detected meter conveyor belts 31 to the to-be-detected meter positions on the material vehicle 34, the dial faces are placed upwards, after the to-be-detected meter positions on the material vehicle 34 are fully placed, the material vehicle 34 automatically moves to the front of the specified verification device along the material vehicle track 33 according to scheduling, the meter loading and unloading robot 35 first unloads the detected water meters on the verification device 1 from the meter clamping device 12 and places the detected meter positions on the material vehicle 34, then the to-be-detected water meters in the to-be-detected meter positions on the material vehicle 34 are clamped and installed on the meter clamping device 12 until all the to-be-detected water meters in the to-be-detected meter positions on the material vehicle 34 are installed on the meter clamping device 12, the material vehicle 34 returns, the water meter transfer robot 37 clamps the detected water meters in the detected meter positions on the material vehicle 34 to-detected meter conveyor belts 32, printing codes by a high-speed laser coding machine and then printing a packaging box; the water meter to be detected on each meter detecting table body 11 is clamped by the meter clamping device 12, the pneumatic valve is controlled to enable the water tank 21 to pressurize water with set flow rate by the water pump 22 and the surge tank 23, then the water flows through the water meter 4 to be detected in each detecting device 1, then the water enters the weighing container 14 through the standard electromagnetic flow meter, the flow regulating valve set 18 and the commutator 13, and after the electronic scale 15 is weighed, the water of each detecting device 1 is collected and flows back to the water tank 21; meanwhile, the central control controller collects data of the electromagnetic flow meter, the electronic scale 15, the camera sensor 16 and the total flow meter in each calibrating device 1, calculates the difference value between the flow sum of the electromagnetic flow meter and the total flow meter in each calibrating device 1, and controls the water pump frequency converter, the surge tank 23 and each calibrating device according to PID regulation Determining the flow of a flow regulating valve group 18 in the device 1, and performing one-time verification according to the standard volume calculated by a standard electromagnetic flowmeter and/or an electronic scale 15 and the measurement data of each water meter to be detected acquired by a camera sensor 16, wherein the measurement data is Q3、Q2、Q1And repeatedly completing three times of verification by taking the three flow points as set flow to obtain verification results, automatically uploading the verification results to a production management database, generating two-dimensional codes of qualified information for qualified verification results, generating unqualified verification results into unqualified prints, and printing the codes by a high-speed laser coding machine when the codes are on the checked table conveyor belt 32.
In order to improve the detection efficiency and ensure smooth detection tasks, time node control is carried out on the operation time of the water meter loading and unloading robot 35 and the water meter transferring robot 37: q is carried out on each water meter 4 to be detected1、Q2、Q3The three flow points are detected completely, the time is not more than 8 minutes, each meter loading and unloading robot 35 is responsible for 4 verification tables, the meter loading and unloading robot 35 grabs a piece of water to be detected for about 2 seconds from the material vehicle 34, takes off a piece of detected water from the meter detection table 11 for about 2 seconds from the material vehicle 34 to the meter detection table 11, and returns to the position for about 2 seconds from the robot hand to the verification tables, the robot moves for about 1 second, a piece of water is loaded for about 11 seconds in total, and 10 pieces of water are loaded for about 110 seconds, so that the meter loading and unloading time of each verification table is less than 2 minutes; each verification platform is about 6 meters long, the distance between each verification platform is about 0.5 meter, the total length of 4 verification platforms is about 25.5 meters, the farthest distance of the material vehicle 34 is 25.5 meters, the traveling speed is 1 meter/second, the time is 25.5 seconds, a robot hand grabs a water meter to be detected from the conveyor belt 31 of the water meter to be detected and sends the water meter to be detected to the material vehicle 34 for about 4 seconds, 10 water meters to be detected are 40 seconds, the material vehicle 34 returns to the appointed detection platform body 11 for no more than 25.5 seconds, the total time is 91 seconds and less than 2 minutes.
In summary, the full-automatic flexible detection line for the water meter and the control method thereof have the following beneficial effects:
(1) the invention realizes the automatic batch verification of the water meters by a plurality of verification devices, further realizes the full automation of the water meter verification feeding and discharging by combining a transmission system by utilizing the technologies of intelligent robots, self-animal streamlines and the like, has better linkage among the devices, improves the verification efficiency and saves manpower resources;
(2) the invention adopts dual standards of an electronic scale and a standard flowmeter, wherein the standard flowmeter is used as a working standard to realize the rapid detection of the water meter; the electronic scale is used as a checking standard, the standard meter can be calibrated and checked at any time and any place, the accuracy and the uniformity of the quantity value are ensured, and the influence of periodic inspection of the standard meter on the production operation by a previous metering mechanism is avoided; the double standards enable the accuracy of the verification result to be higher;
(3) the invention adopts the data of the total flow meter and the standard flow meters in each calibration device, carries out flow regulation and control through comparison, ensures that the inlet flow and the outlet flow are equal, ensures the pressure stability, improves the flow stability, and further ensures the accuracy of the calibration result of the water meter by detecting the pressure and the temperature in the pipeline through the sensor;
(4) The calibrating device adopts symmetrical layout, is superior to the prior annular layout, fully utilizes the characteristics of large unfolding range and accurate positioning of the arm of the intelligent robot, and reduces the using number of the robots;
(5) the whole production line control system main body has very strong expansibility, can flexibly allocate detection tasks of water meters with different specifications, and really realizes flexible detection in small batches and in customization; manpower resources are greatly saved, and working efficiency is greatly improved; the logistics accumulation degree of the meter is reduced, the turnover efficiency is improved, and the occupation of a detection field is reduced;
(6) according to the invention, through the control of the time nodes, the linkage of each device is better, the operation is smoother, and the verification efficiency is further improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. A water meter full-automatic flexible detection line is characterized by comprising n calibrating devices, a transmission system, a pressurized water supply system and a central control controller, wherein each calibrating device comprises a meter calibrating table body, a meter clamping device, a standard flow meter, a flow regulating valve group, a commutator, a weighing container, an electronic scale and a camera sensor; the pressurized water supply system comprises a water tank, a pressure stabilizing tank, a water pump frequency converter, a total flow meter and a water supply pipeline; the conveying system comprises a conveying belt of the meter to be detected, a conveying belt of the checked meter, a material vehicle track, a material vehicle, a meter loading and unloading robot, a robot running track and a water meter transferring robot, wherein n is more than or equal to 2;
The meter clamping device is positioned on the meter detecting platform body and is connected with each detected water meter through a straight pipe, the camera sensor is arranged above each detected water meter, the water tank, the water pump, the pressure stabilizing tank, the meter clamping device, the commutator and the weighing container of each detecting device are connected through a water supply pipeline to form a loop, the electronic scale is positioned below the weighing container, and the standard flowmeter and the flow regulating valve group are arranged on the water supply pipeline of each detecting device; the water pump is connected with a water pump frequency converter, a total flow meter is arranged between the pressure stabilizing tank and the water pump, and the water supply pipeline is opened and closed through a water valve; the meter conveyor belt to be detected is used for conveying the assembled water meter to be detected, the meter conveyor belt to be detected is used for conveying the water meter to be detected to a packaging position, the water meter transfer robot is used for grabbing the detected water meter to the material vehicle from the conveyor belt to be detected, and the detected water meter is grabbed from the material vehicle to the detected meter conveyor belt, the material vehicle reciprocates between each detection device and the to-be-detected meter conveyor belt and the detected meter conveyor belt through the material vehicle track, the meter loading and unloading robot is used for unloading a tested water meter from the meter testing table body through the first robot hand and placing the tested water meter on the material vehicle, a water meter to be detected is taken from the material vehicle by a second robot hand and is arranged on a meter detecting platform body, before the loading and unloading meter robot reaches each calibrating device through the robot running track, the water meter to be detected and the detected water meter are detected water meters in different detection states; the standard flowmeter, the flow regulating valve group, the electronic scale, the camera sensor, the pressure stabilizing tank, the water pump frequency converter, the total flowmeter, the conveyor belt of the meter to be detected, the conveyor belt of the checked meter, the material vehicle, the meter loading and unloading robot and the water meter transferring robot are respectively connected with the central control controller.
2. The water meter full automatic flexibility test line of claim 1, wherein said calibrating devices further comprise a pressure sensor and a temperature sensor mounted on a water supply pipe of each calibrating device.
3. The water meter full-automatic flexible detection line according to claim 1, wherein said pressurized water supply system further comprises a water treatment system, said water treatment system is used for water purification, connected to said water tank.
4. The water meter full automatic flexibility detection line according to claim 1, wherein a low level switch and a high level switch are provided in said water tank, said water tank further provided with a refrigeration unit and a water temperature sensor.
5. The full-automatic flexible detection line of water gauge of claim 1, characterized in that, calibrating installation symmetrical layout, conveying system is located in the middle of the calibrating installation of symmetric distribution, it sets up 2 to wait to examine the table conveyer belt, corresponds the calibrating installation of one side respectively, it is located 2 to examine between the table conveyer belt to examine, water gauge transfer robot sets up 2, corresponds 1 respectively and waits to examine the table conveyer belt, loading and unloading table robot sets up 2, is responsible for the calibrating installation of one side respectively.
6. The full-automatic flexible detection line for water meters of claim 5, characterized in that the detection devices are 8, 4 material vehicles are provided, each material vehicle is responsible for 2 adjacent detection devices, the material vehicle has two rows of epitopes, one row of epitopes is used for placing the detected water meters, the other row of epitopes is used for placing the water meters to be detected, and the sizes of the epitopes can be adjusted.
7. The water meter full automatic flexible detection line according to claim 1, wherein said transfer system further comprises a high speed laser coding machine, said high speed laser coding machine being mounted on said checked meter conveyor belt.
8. The full-automatic flexible detection line for water meters as claimed in claim 1, characterized in that the central control controller is connected with a production management database through a central control upper computer.
9. A method for controlling a fully automatic flexible test line of a water meter according to any one of claims 1 to 8, comprising: the assembled off-line water meter to be detected is conveyed in by the conveyor belt to be detected, the water meter transfer robot clamps the water meter to be detected from the conveyor belt to be detected to the meter position to be detected on the material vehicle, the material vehicle automatically shifts to the front of a specified verification device along the track of the material vehicle after the meter position to be detected on the material vehicle is full, the meter loading and unloading robot firstly unloads the water meter to be detected on the verification device from the meter clamping device and places the water meter to be detected on the material vehicle at the detected meter position, then clamps and installs the water meter to be detected in the meter position to be detected on the material vehicle on the meter clamping device until all the water meters to be detected in the meter position to be detected on the material vehicle are installed on the meter clamping device, the material vehicle returns to the position, the water meter transfer robot clamps the detected water meter in the detected meter position on the material vehicle to the conveyor belt to be detected, and codes are printed by a high-speed laser coding machine and then a packing box is printed;
The water meter to be detected on each detecting table body is clamped by a meter clamping device, a water valve is controlled to enable water with set flow to flow through the detected water meter in each detecting device after the water with set flow is pressurized by a water pump and a pressure stabilizing tank, the water enters a weighing container through a standard electromagnetic flowmeter, a flow regulating valve group and a commutator, the water of each detecting device is collected and flows back to the water tank after the electronic scale weighs, meanwhile, a central control controller collects the data of the total flowmeter and the standard flowmeter, the electronic scale and a camera sensor in each detecting device, the difference value between the flow sum of the standard flowmeter and the total flowmeter in each detecting device is calculated, and the water pump frequency converter, the pressure stabilizing tank and the flow meter are controlled according to PID regulationAdjusting the flow of the valve group, and performing one-time verification according to the standard volume calculated by the standard flowmeter and/or the electronic scale and the measurement data of each water meter to be detected acquired by the camera sensor to obtain a value Q3、Q2、Q1And repeatedly completing three times of verification by taking the three flow points as set flow to obtain verification results, generating two-dimensional codes of qualified information from qualified verification results, generating unqualified verification results into unqualified prints, and printing the codes by a high-speed laser coding machine when the codes are on a checked table conveyor belt.
10. The method for controlling the fully automatic flexible test line of water meters as claimed in claim 9, characterized in that the time for each meter-loading and unloading robot to load and unload 10 water meters is less than 2 minutes, and the time for the material trolley to and fro between the specified meter-checking platform body and the conveyor belts to be checked and the checked meter conveyor belts is less than 2 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210391190.9A CN114754845A (en) | 2022-04-14 | 2022-04-14 | Full-automatic flexible detection line for water meter and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115574900A (en) * | 2022-11-04 | 2023-01-06 | 济南砂敦敦包装有限责任公司 | Three-in-one automatic water meter detection table |
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- 2022-04-14 CN CN202210391190.9A patent/CN114754845A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115574900A (en) * | 2022-11-04 | 2023-01-06 | 济南砂敦敦包装有限责任公司 | Three-in-one automatic water meter detection table |
| CN115574900B (en) * | 2022-11-04 | 2024-03-26 | 济南砂敦敦包装有限责任公司 | Trinity automatic water meter detection platform |
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