CN108267212B - Electronic scale school weight verifying attachment and its school weight method of inspection - Google Patents
Electronic scale school weight verifying attachment and its school weight method of inspection Download PDFInfo
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- CN108267212B CN108267212B CN201810011367.1A CN201810011367A CN108267212B CN 108267212 B CN108267212 B CN 108267212B CN 201810011367 A CN201810011367 A CN 201810011367A CN 108267212 B CN108267212 B CN 108267212B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
Abstract
The present invention provides a kind of electronic scale school weight verifying attachment, including rack, support frame, rectangle school weigh table top, mould group supply unit, RFID identification unit, camera, mark unit and control unit；Mould group supply unit includes X-axis mould group, Y-axis mould group, Z axis mould group, electronics sucker, X-axis driving motor, Y-axis driving motor and Z axis driving motor；RFID identification unit includes RFID label tag, rfid reader device and mounting rack, the absolute difference that control unit is further configured between counterweight weight corresponding to the RFID label tag read in response to rfid reader device and the weighed weight of electronic scale of camera shooting is less than preset threshold value, determine that qualification is examined in this school again, when N number of counterweight is respectively when M electronic scale weighs a school and examine qualification again, qualifying signal is sent to mark unit.The weight method of inspection in school proposed by the present invention can be realized moving automatically to counterweight, instead of traditional manual handling operation；And it can be realized and the school of electronic scale is examined again, classification processing.
Description
Technical field
The present invention relates to electronic scale school weight fields more particularly to a kind of electronic scale school weight verifying attachment and its school to examine again
Method.
Background technique
The labor cost for reducing enterprise is transformed in industrial automation at present, and the production efficiency for promoting enterprise all has not
The significance that can or lack.Global major country is all directed to industrial automation and intelligence proposes imagination, such as the industry in the U.S.
The industry 4.0 of internet and Germany, China then proposes the concept of made in China 2025.But part domestic at present is middle-size and small-size
The problem of enterprise is due to technology and fund etc. is still widely used the assembly line based on traditional craft and is produced.
Electronic scale belongs to one kind of weighing apparatus, utilizes the work of Hooke's law or the lever balance theory of power measurement mass of object
Tool.Electronic scale mainly by load bearing system (such as scale pan, scale body), power transmission converting system (such as lever transmission system, sensor) and shows
Valve system (such as dial, electronic display meter) 3 parts composition.Electronic scale requires to carry out school weight before factory, traditional
School double recipe case is still to verify the accurate of scale body by manually testing the different location that the counterweight of different quality is placed on scale body
Degree, needs to consume a large amount of time, human cost.Long-term counterweight of carrying carries out school weight, and labor intensity of workers is larger, while also depositing
In terms of realistic problem；In addition, electronic scale higher for required precision completely manually examine by school again
Quality control is carried out, counterweight is manually placed, the precision of school weight position is not high, is also easy to go wrong, leads to client returns even
It cancels an order, causes heavy economic losses to enterprise；If there is the electronic scale of multiple classifications needs school weight, manually it is easy to obscure,
Influence school weight inspection result.
Summary of the invention
Present invention seek to address that the above problem, a kind of electronic scale school weight verifying attachment and its school weight method of inspection are provided.
To reach above-mentioned purpose, the technical solution adopted in the present invention is as follows:
A kind of electronic scale school weight verifying attachment, including rack and the support frame being fixed on the rack, frame top is in water
The rectangle school of level state weighs table top, set school weigh the rectangle long side of table top as X-axis, rectangle short side is Y-axis and vertical direction is Z
Axis, school weigh and are provided with counterweight placement unit and electronic scale locating slot on table top, and counterweight placement unit has N number of uniformly distributed weight
There is M electronic scale to weigh a little for code placing groove, electronic scale locating slot, and the electronic scale school weight verifying attachment further includes the conveying of mould group
Unit, RFID identification unit, camera, mark unit and control unit, in which:
The mould group supply unit, be located at support frame above, be electrically connected with control unit, including X-axis mould group, Y-axis mould group,
Z axis mould group, electronics sucker, X-axis driving motor, Y-axis driving motor and Z axis driving motor；
The X-axis mould group, whole is in elongated structures, is fixed on above support frame and its longitudinal direction is parallel with X-axis, lead to
It crosses a shaft coupling and is connected to the X-axis driving motor, and be configured to the driving by the X-axis driving motor along X-axis side
To movement；The X-axis driving motor is electrically connected with control unit；
The Y-axis mould group, whole is in elongated structures, is fixed on above X-axis mould group and its longitudinal direction is parallel with Y-axis,
It is connected to the Y-axis driving motor by a shaft coupling, and is configured to the driving by the Y-axis driving motor along Y-axis
Direction is mobile；The Y-axis driving motor is electrically connected with control unit；
The Z axis mould group, whole is in elongated structures, is fixed in Y-axis mould group and its longitudinal direction is parallel with Z axis, is led to
It crosses a shaft coupling and is connected to the Z axis driving motor, and be configured to the driving by the Z axis driving motor along Z axis side
To movement；The Z axis driving motor is electrically connected with control unit；
The electronics sucker, the lower section of Z axis mould group is fixed on by a sucker stand, is electrically connected with control unit, is used for
It inhales, put counterweight；
The RFID identification unit includes RFID label tag, rfid reader device and mounting rack, and RFID label tag is pasted onto counterweight
On side wall；The mounting rack is fixed in Z axis mould group；The rfid reader device is fixed on mounting rack and has towards court
Under inclination angle, be arranged for reading the FRID label information that is arranged on counterweight and it fed back into control unit；
The camera is arranged on the mounting rack and towards the weight display area to school weight electronic balancer, is set
It is set to and takes pictures for the weight display area for electronic scale and it is fed back into control unit；
Control unit is also connected with a setting panel, and the setting panel is for setting FRID label information, corresponding weight
The weight reference value and binding relationship between the two of code；
Control unit is also connected with the first memory module, the second memory module and third memory module, the first memory module quilt
It is arranged for being stored in advance the position of N number of counterweight placing groove and M electronic scale weighs position a little；Second memory module is set
It is set to the weight reference value for storing FRID label information, corresponding counterweight and binding relationship between the two；Third
Memory module is arranged for storing weight, the time of each school weight；
Control unit is further configured to counterweight weight corresponding to the RFID label tag read in response to the rfid reader device
The absolute difference measured between reference value and the weighed weight of electronic scale of camera shooting is less than preset threshold value, determines this school
It is qualified to examine again, when N number of counterweight is respectively when M electronic scale weighs a school and examine qualification again, transmission qualifying signal to mark list
Member；
Mark unit is arranged in Z axis mould group, is electrically connected with control unit, and is configured in response to qualifying signal be electricity
Sub- scale mark.
In further embodiment, the setting panel is also used to preset the position of N number of counterweight placing groove, and control is single
Member is further configured to that electronics sucker is transported to counterweight placing groove in response to the position control mould group supply unit of counterweight placing groove
Surface.
In further embodiment, the setting panel is also used to set M electronic scale and weighs position a little, control unit
Electronics sucker is transported to electronic scale and weighed by the position control mould group supply unit for being further configured to weigh in response to electronic scale a little
The surface of point.
In further embodiment, the electronic scale school weight verifying attachment, which also has, is arranged alarm dress square on the support frame
It sets, is electrically connected with control unit.
In further embodiment, the electronic scale school weight verifying attachment also has the printing that school weight mesa side walls are arranged in
Machine is electrically connected with control unit.
In further embodiment, the electronic scale school weight verifying attachment further includes wireless transmitter, with control unit
The connection of the network between control unit and remote monitoring center is established in electrical connection.
In further embodiment, the electronic scale school weight verifying attachment further includes filling with control unit and wireless receiving and dispatching
Set connection and for the power module of its power supply, the output of the power module export after a Voltage stabilizing module to control unit and
Wireless transmitter.
In further embodiment, the X-axis mould group includes X-axis bearing block I, X-axis bearing block II, X-axis ball screw, X
Spindle guide bar and X-axis nut, X-axis bearing block I and X-axis bearing block II are fixed on above support frame；X-axis bearing block I and X-axis bearing block
X-axis ball screw and X-axis guide rod are connected between II, and the longitudinal direction of X-axis ball screw and X-axis guide rod is parallel with X-axis；
X-axis nut is mounted on X-axis ball screw and X-axis guide rod, and X-axis ball screw and X-axis driving motor are joined by a membrane flexive
Axis device connects and is driven X-axis nut to move along X-axis ball screw longitudinal direction by the driving of X-axis driving motor.
Y-axis mould group includes Y-axis bearing block I, Y-axis bearing block II, Y-axis ball screw, Y-axis guide rod and Y-axis nut, Y-axis axis
It holds an I and Y-axis bearing block II is fixed on X-axis nut by a fixed support plate；Between Y-axis bearing block I and Y-axis bearing block II
It is connected with Y-axis ball screw and Y-axis guide rod, and the longitudinal direction of Y-axis ball screw and Y-axis guide rod is parallel with Y-axis；Y-axis spiral shell
Mother is mounted on Y-axis ball screw and Y-axis guide rod, and Y-axis ball screw and Y-axis driving motor are connected by a diaphragm elastic coupling
It connects and is driven Y-axis nut to move along Y-axis ball screw longitudinal direction by the driving of Y-axis driving motor.
Z axis mould group includes Z axis bearing block I, Z axis bearing block II, Z axis ball screw, Z axis guide rod and Z axis nut, Z axis axis
It holds an I and Z axis bearing block II is fixed on Y-axis nut by a fixed support plate；Between Z axis bearing block I and Z axis bearing block II
It is connected with Z axis ball screw and Z axis guide rod, and the longitudinal direction of Z axis ball screw and Z axis guide rod is parallel with Z axis；Z axis spiral shell
Mother is mounted on Z axis ball screw and Z axis guide rod, and Z axis ball screw and Z axis driving motor are connected by a diaphragm elastic coupling
It connects and is driven Z axis nut to move along Z axis ball screw longitudinal direction by the driving of Z axis driving motor.
Improvement according to the present invention, it is also proposed that a kind of school weight method of inspection of electronic scale school weight verifying attachment, the method
Include:
Step 1, the electronic scale examined again to school are placed on school and weigh in the electronic scale locating slot of table top, and electronic scale school is examined again
Device starting；
Electronics sucker is transported to the surface of counterweight placing groove, RFID by step 2, control unit control mould group supply unit
Reading device reads the RFID label tag on counterweight and feeds back to control unit, electronics sucker suction counterweight；
Electronics sucker is transported to electronic scale and weighs surface a little by step 3, control unit control mould group supply unit, electric
Sub- sucker is placed on counterweight to electronic scale, and the display weight area photo of camera shooting electronic scale simultaneously feeds back to control unit；
The ginseng of counterweight weight corresponding to the RFID label tag that step 4, control unit are read in response to the rfid reader device
The absolute difference between value and the weighed weight of electronic scale of camera shooting is examined, following actions are executed:
When less than preset threshold value, determine that this school is re-qualified, and weight and school weight time are sent to third and deposited
Module storage is stored up, when N number of counterweight is respectively when M electronic scale weighs a school and examine qualification again, judgement school is re-qualified, generation qualification
Signal is simultaneously sent to mark unit；
When greater than preset threshold value, determines that school weight is unqualified, generate alarm signal.
In further embodiment, the method also includes:
Step 5, mark unit are electronic scale mark in response to the qualifying signal that control unit is sent.
Electronic scale school weight verifying attachment proposed by the present invention and its school weight method of inspection, are completed using electronics sucker to electricity
The crawl of counterweight during sub- scale school weight, realizes moving automatically to counterweight, instead of the side of traditional manual handling operation
Case；And storage mould is transferred by the way of RFID label tag unique on the counterweight of automatic identification different model before grabbing counterweight
The reference value stored in block, accordingly even when the geomery of counterweight is different, the sequence of placement has occurred change and nor affects on device
Automatic school examine again；After weighing is completed, identify that control unit is according to ginseng by show value of the camera to electronic scale
It examines value and whether the automatic test and judge electronic scale of preset threshold value belongs to qualified products, be finally completed the classification to electronic scale
Processing；In addition school has inspected rear automatic marking again, for distinguishing qualified products and substandard product, avoids confusion, convenient, high
Effect.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, and attached drawing is not intended in proportion
It draws.In the accompanying drawings, identical label table can be used by each of showing identical or nearly identical component part in each figure
Show.For clarity, in each figure, not each component part is labeled.Now, example will be passed through and refer to attached drawing
The embodiment of various aspects of the invention described, in the accompanying drawings:
Fig. 1 is the overall structure diagram of the electronic scale school weight verifying attachment of preferred embodiment of the present invention.
Fig. 2 is the left view schematic diagram of the electronic scale school weight verifying attachment of preferred embodiment of the present invention.
Fig. 3 is that the school of the electronic scale school weight verifying attachment of preferred embodiment of the present invention weighs the schematic diagram of table top.
Fig. 4 is the schematic diagram of the electric control part of the electronic scale school weight verifying attachment of preferred embodiment of the present invention.
Fig. 5 is the signal of the power module and Voltage stabilizing module of the electronic scale school weight verifying attachment of preferred embodiment of the present invention
Figure.
Fig. 6 is the schematic diagram of the X-axis mould group of the electronic scale school weight verifying attachment of preferred embodiment of the present invention.
Specific embodiment
In order to better understand the technical content of the present invention, special to lift specific embodiment and above-mentioned institute's accompanying drawings is cooperated to be described as follows.
As shown in Figures 1 to 6, a kind of preferred embodiment according to the present invention, electronic scale school weight verifying attachment, is suitable for electricity
Sub- scale school is examined and is sorted again, and high-precision big weighing electronic scale is particularly suitable for, and including rack 1 and is fixed in rack 1
Support frame 2, the rectangle school being in a horizontal state at the top of rack 1 weigh table top 1-1, set school and weigh the rectangle long side of table top 1-1 as X
Axis, rectangle short side are Y-axis and vertical direction is Z axis.School, which weighs, is provided with counterweight placement unit 11 and electronic scale positioning on table top 1-1
Slot 16, counterweight placement unit 11 have N number of uniformly distributed counterweight placing groove 11-1, and electronic scale locating slot 16 is for positioning to school
The electronic scale examined again, and there is M electronic scale to weigh point 16-1, each electronic scale, which weighs point 16-1 and corresponds to counterweight, to be placed on
Different location on electronic scale.In ordinary electronic scale checking procedure, general counterweight is cylindrical body, using 5 different weights
Counterweight respectively verifies 5 positions of electronic scale (four angles and center)；But for weighing biggish high-precision electricity
Sub- scale, then may need the counterweight of more different weights to multiple positions of electronic scale carry out school weight to reach accuracy standard, because
This, this programme N above-mentioned and M, those skilled in the art can determine with demand as the case may be；In addition each industry
The electronics scale weight used it is different, can be for cube, cylindrical body etc., it should be appreciated that counterweight placing groove 11-1 can
It can be the various shapes such as round, rectangular to be designed according to specific counterweight shape.
The electronic scale school weight verifying attachment further includes mould group supply unit, RFID identification unit, camera 10, mark list
Member 17 and control unit.
The mould group supply unit is located at 2 top of support frame, is electrically connected with control unit, including X-axis mould group 3, Y-axis mould
Group 4, Z axis mould group 5, electronics sucker 7, X-axis driving motor 3-5, Y-axis driving motor and Z axis driving motor.
The X-axis mould group 3, whole is in elongated structures, is fixed on 2 top of support frame and its longitudinal direction is parallel with X-axis,
It is connected to the X-axis driving motor 3-5 by a shaft coupling, and is configured to the drives edge by the X-axis driving motor 3-5
X-direction it is mobile；The X-axis driving motor 3-5 is electrically connected with control unit.
The Y-axis mould group 4, whole is in elongated structures, is fixed on 3 top of X-axis mould group and its longitudinal direction and Y-axis are flat
Row, is connected to the Y-axis driving motor by a shaft coupling, and be configured to the driving by the Y-axis driving motor along Y
Axis direction is mobile；The Y-axis driving motor is electrically connected with control unit.
The Z axis mould group 5, whole is in elongated structures, is fixed in Y-axis mould group 4 and its longitudinal direction is parallel with Z axis,
It is connected to the Z axis driving motor by a shaft coupling, and is configured to the driving by the Z axis driving motor along Z axis
Direction is mobile；The Z axis driving motor is electrically connected with control unit.
In the present embodiment, as shown in fig. 6, X-axis mould group 3 includes X-axis bearing block I3-3, X-axis bearing block II3-4, X-axis rolling
Ballscrew 3-1, X-axis guide rod 3-2 and X-axis nut 3-6, X-axis bearing block I3-3 and X-axis bearing block II3-4 are fixed on support frame 2
Side；X-axis ball screw 3-1 and X-axis guide rod 3-2, and X-axis are connected between X-axis bearing block I3-3 and X-axis bearing block II3-4
The longitudinal direction of ball screw 3-1 and X-axis guide rod 3-2 are parallel with X-axis；X-axis nut 3-6 is mounted on X-axis ball screw 3-1 and X
On spindle guide bar 3-2, X-axis ball screw 3-1 is connect by diaphragm elastic coupling with X-axis driving motor 3-5 and is driven by X-axis
The driving of servo motor drives X-axis nut 3-6 to move along X-axis ball screw 3-1 longitudinal direction.
Y-axis mould group 4 includes Y-axis bearing block I, Y-axis bearing block II, Y-axis ball screw, Y-axis guide rod and Y-axis nut, Y-axis axis
An I and Y-axis bearing block II is held to be fixed on X-axis nut 3-6 by a fixed support plate；Y-axis bearing block I and Y-axis bearing block II
Between be connected with Y-axis ball screw and Y-axis guide rod, and the longitudinal direction of Y-axis ball screw and Y-axis guide rod is parallel with Y-axis；Y
Axis nut is mounted on Y-axis ball screw and Y-axis guide rod, and Y-axis ball screw and Y-axis driving motor pass through diaphragm elastic coupling
It connects and is driven Y-axis nut to move along Y-axis ball screw longitudinal direction by the driving of Y-axis driving servo motor.
Z axis mould group 5 includes Z axis bearing block I, Z axis bearing block II, Z axis ball screw, Z axis guide rod and Z axis nut, Z axis axis
It holds an I and Z axis bearing block II is fixed on Y-axis nut by a fixed support plate；Between Z axis bearing block I and Z axis bearing block II
It is connected with Z axis ball screw and Z axis guide rod, and the longitudinal direction of Z axis ball screw and Z axis guide rod is parallel with Z axis；Z axis spiral shell
Mother is mounted on Z axis ball screw and Z axis guide rod, and Z axis ball screw is connect with Z axis driving motor by diaphragm elastic coupling
And Z axis nut is driven to move along Z axis ball screw longitudinal direction by the driving of Z axis driving servo motor.In the present embodiment
In, X-axis driving motor 3-5, Y-axis driving motor and Z axis driving motor are servo motor, Y-axis mould group, Z axis mould group and X-axis mould
Group construction is similar.Using ball-screw, it is provided with a large amount of ball between the lead screw shaft and feed screw nut of ball screw, therefore
Rolling friction is realized in motion process instead of sliding friction, sport efficiency with higher, such mode to drive
The driving moment of motor can be effectively reduced, and can achieve power saving and effectively promotes the effect in servo motor service life.Simultaneously because
The processing technology of ball screw is the coherent processing using mechanical equipment, therefore the precision of product is higher, and staring torque is almost
It can ignore, creeping phenomenon present in sliding motion will not occur.Such characteristic enables real using servo motor
It is now accurate it is micro- into.School weight verifying attachment needs to realize that counterweight is weighed in the placement of different location, so needing higher feeding
Being used cooperatively for precision, ball screw and servo motor can satisfy demand；The axial rigidity of ball screw is preferable simultaneously, passes through
Higher rigidity reinforced may be implemented in the negative value of axial gap；Last ball screw can not achieve it is self-locking, in linear motion and
There is stronger invertibity in rotary motion；Using diaphragm elastic coupling, diaphragm elastic coupling and traditional tooth-like shaft coupling
Device is different, using the structure of diaphragm to extraneous factors such as foozle, deformation and temperature between mover and driven machine
Caused offset can be realized effective compensation, can reduce axial, radial offset to the full extent.Simultaneously because film
Piece shaft coupling is mainly the transmitting for passing through metal connecting shaft diaphragm and carrying out torque, therefore lubrication, almost noiseless is deposited with not needing
Outstanding advantage, adapted to the practical application of the device.It should be understood that X-axis mould group 3, Y-axis mould group 4 and Z axis mould group 5
It can also be constructed by different modes or any structure appropriate of the following exploitation realizes mould group supply unit in X-axis, Y
The function of accurate movement on axis and Z-direction.
The electronics sucker 7 is fixed on the lower section of Z axis mould group 5 by a sucker stand 6, is electrically connected with control unit, and is used
In inhaling, put counterweight.It should be noted that in the present embodiment, counterweight is made of the stronger mild steel of magnetic permeability, inhale
The area for being adsorbed area and being greater than electronics sucker 7 of subordinate list surface evenness height and counterweight, can reach good adsorption effect.
The surface of electronics sucker 7 has also carried out nickel plating simultaneously, can effectively remove remaining magnetic field, the effect for guaranteeing crawl and placing.
The RFID identification unit includes RFID label tag 8, rfid reader device 9 and mounting rack 12, and RFID label tag 8 is pasted onto
On 18 side wall of counterweight；The mounting rack 12 is fixed in Z axis mould group 5；The rfid reader device 9 is fixed on mounting rack 12 simultaneously
And has and be arranged for reading 8 information of RFID label tag being arranged on counterweight 18 towards inclination angle directed downwardly and feed back it
To control unit.
The camera 10, is arranged on the mounting rack 12 and towards the weight display area to school weight electronic balancer,
It is arranged for taking pictures for the weight display area of electronic scale 15 and it is fed back into control unit.
Control unit is also connected with a setting panel, and the setting panel is for setting 8 information of RFID label tag, corresponding weight
The weight reference value and binding relationship between the two of code.
Control unit is also connected with the first memory module, the second memory module and third memory module, the first memory module quilt
It is arranged for that the position of N number of counterweight placing groove 11-1 is stored in advance and M electronic scale weighs the position of point 16-1；Second storage
Module is arranged for storing 8 information of RFID label tag, the weight reference value of corresponding counterweight and binding between the two
Relationship；Third memory module is arranged for storing weight, the time of each school weight, searches historical record convenient for staff
It counted, analyzed and is managed, and improved for the production of subsequent electronic scale and theoretical foundation is provided.
Control unit is further configured to counterweight corresponding to the RFID label tag 8 read in response to the rfid reader device 9
The absolute difference between the weighed weight of electronic scale 15 that weight reference value and camera 10 are shot is less than preset threshold value, determines
This time qualification is examined in school again, and when N number of counterweight is respectively when M electronic scale weighs the school point 16-1 and examine qualification again, transmission qualification is believed
Number to mark unit 17.In this way, posting unique RFID label tag 8 on each counterweight, even if having replaced 18 position of counterweight, use
The counterweight of different shape, weight carries out school to different electronic scales and examines again, need not also replace counterweight placing groove 11-1, it is not necessary to
The weight for resetting counterweight one by one, improves work efficiency and can be avoided error.
Mark unit 17, be arranged in Z axis mould group 5, be electrically connected with control unit, be configured to be in response to qualifying signal
15 mark of electronic scale.In the present embodiment, mark unit 17 includes that a lifting device and Laser Jet device, lifting device are fixed on
In Z axis mould group 5, Laser Jet device is fixed on the lower section of lifting device, and laser head weighs table top 1-1 towards school.It should be understood that
It is that the function of lifting device and Laser Jet device above-mentioned is well-known in the art, it can be by different
Mode constructs or any structure appropriate of the following exploitation realizes the function of mark unit 17 lifting and mark.
In some embodiments, the setting panel is also used to preset the position of N number of counterweight placing groove 11-1, control
Unit is further configured to that electronics sucker 7 is transported to counterweight in response to the position control mould group supply unit of counterweight placing groove 11-1
The surface of placing groove 11-1.
In some embodiments, the setting panel is also used to set the position that M electronic scale weighs point 16-1, and control is single
Electronics sucker 7 is transported to electronics by the position control mould group supply unit that member is further configured to weigh point 16-1 in response to electronic scale
Scale weighs the surface of point 16-1.
In some preferred embodiments, as shown in Figure 1, also there is the electronic scale school weight verifying attachment setting to support
The warning device 14 of 2 top of frame, is electrically connected with control unit, and for sounding an alarm, prompts staff.In the present embodiment,
Alarm device is buzzer and/or alarm lamp, can be made a sound and light prompt staff.
In some preferred embodiments, as shown in figure 4, electronic scale school weight verifying attachment also has setting in school weight
The printer 13 of table top 1-1 side wall, is electrically connected with control unit, in this way, can go out school weight survey report, quick side with field print
Just.
Preferably, as shown in figure 4, electronic scale school weight verifying attachment further includes wireless transmitter, with control unit
The connection of the network between control unit and remote monitoring center is established in electrical connection, in this way, more electronic scale school weight verifying attachments are same
When in use, the school weight that the staff at remote monitoring center need not go to scene that can monitor each device to every electronic scale
Checkout procedure.
Preferably, as shown in figure 5, electronic scale school weight verifying attachment uses self-powered (self-contained portable power
Module) mode, or using the combined power supply way that is electrically coupled with city, further include and control unit and wireless transmitter
Connect and be the power module of its power supply, the output of the power module exports after a Voltage stabilizing module to control unit and nothing
Line R-T unit.
In this way, working principle again are as follows: be placed on school to school weight checking electronic scale 15 and weigh on table top 1-1, electronic scale school is examined
Device starting, control unit transfers the counterweight placing groove 11-1 that the first memory module stores and electronic scale weighs the position of point 16-1
It sets, and controls mould group supply unit and moved along X-axis, Y-axis and Z-direction and electronics sucker 7 is transported to counterweight placing groove 11-1
Surface, rfid reader device 9 read counterweight 18 on RFID label tag 8 and feed back to control unit, electronics sucker 7 adsorb weight
Code 18；Control unit controls mould group supply unit and electronics sucker 7 is transported to the surface that electronic scale weighs point 16-1, and electronics is inhaled
Disk 7 is placed on counterweight 18 to electronic scale 15, and camera 10 shoots the display weight area photo of electronic scale 15 and feeds back to control
Unit；Control unit transfers the weight reference of 8 information of RFID label tag and corresponding counterweight that store in the second memory module
The weight that weighs of electronic scale 15 that camera 10 is shot is compared with the weight reference value of counterweight and calculates the two by value
Between absolute difference, if absolute difference be less than preset threshold value, determine that this school is re-qualified, and by weight and school weight
Time is sent to the storage of third memory module；Then mould group supply unit is moved along X-axis, Y-axis and Z-direction by counterweight 18 from this
Secondary electronic scale weigh point 16-1 be transported to other electronic scales weigh a little weighed, school is examined again, when this counterweight 18 M electricity
Sub- scale weighs school weight after the assay was approved, and mould group supply unit moves that counterweight 18 is returned to its is right along X-axis, Y-axis and Z-direction
In the counterweight placing groove 11-1 answered, then mould group supply unit transports one by one each on other counterweights to electronic scale 15 weighs click-through
Performing check only weighs the school point 16-1 in M electronic scale respectively to N number of counterweight and examines qualification again, and control unit determines that school is re-qualified,
It generates qualifying signal and is sent to mark unit 17, mark unit 17 is qualified electronic scale mark, realizes point of electronic scale
It choosing and distinguishes, while mould group supply unit moves that last weighed counterweight is returned to its is corresponding along X-axis, Y-axis and Z-direction
In counterweight placing groove 11-1, so far, an electronic scale school is verified again.
During school is examined again, if by the weight for weighing weight and counterweight for the electronic scale 15 that camera 10 is shot
When the absolute difference that reference value is compared is greater than preset threshold value, i.e., judgement school weight is unqualified, generates alarm signal
Number, remind staff to be placed into unqualified case, wait be further processed.If this time the electronic scale of classification has been examined
It finishes, when needing to examine the electronic scale of other classifications, due to precision and/or weighs requirement difference, need using different counterweights
When, do not have to reset reference value, device directlys adopt the label institute that RFID label tag 8 identifies and transfers the storage of the second memory module
Corresponding weight reference value can be carried out school weight, the scope of application is wider, more efficient.
It should be understood that control unit above-mentioned, wireless transmitter, warning device 14 and printer 13 are in this technology
Be well-known in field, and its construction be also it is conventional, can be used existing, it is following any appropriate also to can be used
Construction.
Improvement according to the present invention, it is also proposed that a kind of school weight method of inspection of electronic scale school weight verifying attachment, this method packet
It includes:
Step 1, the electronic scale examined again to school are placed on school and weigh in the electronic scale locating slot 16 of table top 1-1, electronic scale school
Weight verifying attachment starting；
Step 2, control unit control mould group supply unit by electronics sucker 7 be transported to counterweight placing groove 11-1 just on
Side, rfid reader device 9 read the RFID label tag 8 on counterweight and feed back to control unit, and electronics sucker 7 adsorbs counterweight；
Step 3, control unit control mould group supply unit by electronics sucker 7 be transported to electronic scale weigh point 16-1 just on
Side, electronics sucker 7 are placed on counterweight to electronic scale, and camera 10 shoots the display weight area photo of electronic scale and feeds back to control
Unit processed；
Counterweight weight corresponding to the RFID label tag 8 that step 4, control unit are read in response to the rfid reader device 9
The absolute difference between the weighed weight of electronic scale that reference value and camera 10 are shot, executes following actions:
When less than preset threshold value, determine that this school is re-qualified, and weight and school weight time are sent to third and deposited
Module storage is stored up, when N number of counterweight is respectively when M electronic scale weighs the school point 16-1 and examine qualification again, judgement school is re-qualified, generation
Qualifying signal is simultaneously sent to mark unit.
When greater than preset threshold value, determines that school weight is unqualified, generate alarm signal.It so, it is possible to realize to electronics
The classification processing of scale.
In some embodiments, the method also includes:
The qualifying signal that step 5, mark unit 17 are sent in response to control unit is electronic scale mark, for distinguishing qualification
Product and substandard product, avoid confusion.
Electronic scale school weight verifying attachment proposed by the present invention and its school weight method of inspection, are completed using electronics sucker to electricity
The crawl of counterweight during sub- scale school weight, realizes moving automatically to counterweight, instead of the side of traditional manual handling operation
Case；And it transfers second by the way of RFID label tag unique on the counterweight of automatic identification different model before grabbing counterweight to deposit
The reference value stored in module is stored up, accordingly even when the geomery of counterweight is different, the sequence of placement has occurred change and nor affects on
It examines again in the automatic school of device；After weighing is completed, identified by show value of the camera to electronic scale, control unit root
Whether belong to qualified products according to reference value and the automatic test and judge electronic scale of preset threshold value, is finally completed to electronic scale
Classification processing；In addition school has inspected rear automatic marking again, for distinguishing qualified products and substandard product, avoids confusion, just
It is prompt, efficient.
Although the present invention has been disclosed as a preferred embodiment, however, it is not to limit the invention.Skill belonging to the present invention
Has usually intellectual in art field, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations.Cause
This, the scope of protection of the present invention is defined by those of the claims.
Claims (10)
1. a kind of electronic scale school weight verifying attachment, including rack and the support frame being fixed on the rack, which is characterized in that rack top
Portion is that the rectangle school being in a horizontal state weighs table top, and it as X-axis, rectangle short side is Y-axis and vertical for setting school and weighing the rectangle long side of table top
Direction is Z axis, and school weighs and is provided with counterweight placement unit and electronic scale locating slot on table top, and counterweight placement unit has N number of uniform
There is M electronic scale to weigh a little for the counterweight placing groove of laying, electronic scale locating slot, and the electronic scale school weight verifying attachment further includes
Mould group supply unit, RFID identification unit, camera, mark unit and control unit, in which:
The mould group supply unit is located above support frame, is electrically connected with control unit, including X-axis mould group, Y-axis mould group, Z axis
Mould group, electronics sucker, X-axis driving motor, Y-axis driving motor and Z axis driving motor；
The X-axis mould group, whole is in elongated structures, is fixed on above support frame and its longitudinal direction is parallel with X-axis, pass through one
Shaft coupling is connected to the X-axis driving motor, and is configured to be moved by the driving of the X-axis driving motor along X-direction
It is dynamic；The X-axis driving motor is electrically connected with control unit；
The Y-axis mould group, whole is in elongated structures, is fixed on above X-axis mould group and its longitudinal direction Y-axis is parallel, pass through one
Shaft coupling is connected to the Y-axis driving motor, and is configured to be moved by the driving of the Y-axis driving motor along Y direction
It is dynamic；The Y-axis driving motor is electrically connected with control unit；
The Z axis mould group, whole is in elongated structures, is fixed in Y-axis mould group and its longitudinal direction is parallel with Z axis, pass through one
Shaft coupling is connected to the Z axis driving motor, and is configured to be moved by the driving of the Z axis driving motor along Z-direction
It is dynamic；The Z axis driving motor is electrically connected with control unit；
The electronics sucker, the lower section of Z axis mould group is fixed on by a sucker stand, is electrically connected with control unit, for inhaling, putting
Counterweight；
The RFID identification unit includes RFID label tag, rfid reader device and mounting rack, and RFID label tag is pasted onto counterweight side wall
On；The mounting rack is fixed in Z axis mould group；The rfid reader device is fixed on mounting rack and has towards directed downwardly
Inclination angle is arranged for reading the FRID label information being arranged on counterweight and it is fed back to control unit；
The camera is arranged on the mounting rack and towards the weight display area to school weight electronic balancer, is configured to
It takes pictures for the weight display area for electronic scale and it is fed back into control unit；
Control unit is also connected with a setting panel, which is used to set FRID label information, corresponding counterweight
Weight reference value and binding relationship between the two；
Control unit is also connected with the first memory module, the second memory module and third memory module, and the first memory module is set
At for N number of counterweight placing groove to be stored in advance position and M electronic scale weigh position a little；Second memory module is configured to
For storing the weight reference value and binding relationship between the two of FRID label information, corresponding counterweight；Third storage
Module is arranged for storing weight, the time of each school weight；
Control unit is further configured in response to the rfid reader device, the ginseng of counterweight weight corresponding to the RFID label tag of reading
The electronic scale for examining value and camera shooting weighs absolute difference between weight and is less than preset threshold value, determines that this school is examined again
Qualification sends qualifying signal to mark unit when N number of counterweight is respectively when M electronic scale weighs a school and examine qualification again；
Mark unit is arranged in Z axis mould group, is electrically connected with control unit, is configured to beat in response to qualifying signal for electronic scale
Mark.
2. weight verifying attachment in electronic scale school according to claim 1, which is characterized in that the setting panel is further configured to
For presetting the position of N number of counterweight placing groove, control unit is further configured to the position control in response to counterweight placing groove
Electronics sucker is transported to the surface of counterweight placing groove by mould group supply unit.
3. weight verifying attachment in electronic scale school according to claim 2, which is characterized in that the setting panel is further configured to
Position a little is weighed for setting M electronic scale, control unit is further configured to weigh position control a little in response to electronic scale
Electronics sucker is transported to electronic scale and weighs surface a little by mould group supply unit.
4. weight verifying attachment in electronic scale school according to claim 3, which is characterized in that the electronic scale school weight verifying attachment
Also have and warning device square on the support frame is set, is electrically connected with control unit.
5. weight verifying attachment in electronic scale school according to claim 3, which is characterized in that the electronic scale school weight verifying attachment
Also there is the printer that school weight mesa side walls are arranged in, be electrically connected with control unit.
6. the weight of electronic scale school described in any one of -5 verifying attachment according to claim 1, which is characterized in that the electronic scale
School weight verifying attachment further includes wireless transmitter, is electrically connected with control unit, establish control unit and remote monitoring center it
Between network connection.
7. weight verifying attachment in electronic scale school according to claim 6, which is characterized in that the electronic scale school weight verifying attachment
It further include being connect with control unit and wireless transmitter and for the power module of its power supply, the output of the power module is passed through
Output is to control unit and wireless transmitter after one Voltage stabilizing module.
8. weight verifying attachment in electronic scale school according to claim 1, which is characterized in that the X-axis mould group includes X-axis bearing
Seat I, X-axis bearing block II, X-axis ball screw, X-axis guide rod and X-axis nut, X-axis bearing block I and X-axis bearing block II are fixed on branch
Above support；X-axis ball screw and X-axis guide rod, and X-axis ball wire are connected between X-axis bearing block I and X-axis bearing block II
The longitudinal direction of bar and X-axis guide rod is parallel with X-axis；X-axis nut is mounted on X-axis ball screw and X-axis guide rod, X-axis ball wire
Bar connect with X-axis driving motor by a diaphragm elastic coupling and by the driving of X-axis driving motor drive X-axis nut along
X-axis ball screw longitudinal direction is mobile；
Y-axis mould group includes Y-axis bearing block I, Y-axis bearing block II, Y-axis ball screw, Y-axis guide rod and Y-axis nut, Y-axis bearing block I
It is fixed on X-axis nut with Y-axis bearing block II by a fixed support plate；It is connected between Y-axis bearing block I and Y-axis bearing block II
There are Y-axis ball screw and Y-axis guide rod, and the longitudinal direction of Y-axis ball screw and Y-axis guide rod is parallel with Y-axis；Y-axis nut peace
On Y-axis ball screw and Y-axis guide rod, Y-axis ball screw is connect simultaneously with Y-axis driving motor by a diaphragm elastic coupling
And Y-axis nut is driven to move along Y-axis ball screw longitudinal direction by the driving of Y-axis driving motor；
Z axis mould group includes Z axis bearing block I, Z axis bearing block II, Z axis ball screw, Z axis guide rod and Z axis nut, Z axis bearing block I
It is fixed on Y-axis nut with Z axis bearing block II by a fixed support plate；It is connected between Z axis bearing block I and Z axis bearing block II
There are Z axis ball screw and Z axis guide rod, and the longitudinal direction of Z axis ball screw and Z axis guide rod is parallel with Z axis；Z axis nut peace
On Z axis ball screw and Z axis guide rod, Z axis ball screw is connect simultaneously with Z axis driving motor by a diaphragm elastic coupling
And Z axis nut is driven to move along Z axis ball screw longitudinal direction by the driving of Z axis driving motor.
9. a kind of school weight method of inspection of electronic scale school weight verifying attachment, which is characterized in that the method includes,
Step 1, the electronic scale examined again to school are placed on school and weigh in the electronic scale locating slot of table top, in a kind of claim 1-8
The weight verifying attachment starting of electronic scale school described in any one；
Electronics sucker is transported to the surface of counterweight placing groove by step 2, control unit control mould group supply unit, and RFID is read
Device reads the RFID label tag on counterweight and feeds back to control unit, electronics sucker suction counterweight；
Electronics sucker is transported to electronic scale and weighs surface a little, electronics suction by step 3, control unit control mould group supply unit
Disk is placed on counterweight to electronic scale, and the display weight area photo of camera shooting electronic scale simultaneously feeds back to control unit；
Counterweight weight reference value corresponding to the RFID label tag that step 4, control unit are read in response to the rfid reader device
The absolute difference between weight is weighed with the electronic scale of camera shooting, executes following actions:
When less than preset threshold value, determine that this school is re-qualified, and weight and school weight time are sent to third storage mould
Block storage, when N number of counterweight is respectively when M electronic scale weighs a school and examine qualification again, judgement school is re-qualified, generation qualifying signal
And it is sent to mark unit；
When greater than preset threshold value, determines that school weight is unqualified, generate alarm signal.
10. the school weight method of inspection of weight verifying attachment in electronic scale school according to claim 9, which is characterized in that the side
Method further include:
Step 5, mark unit are electronic scale mark in response to the qualifying signal that control unit is sent.
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| CN108844608B (en) * | 2018-09-14 | 2023-12-05 | 广西五一管业股份有限公司 | Lifting type automatic weighing machine |
| CN110398283B (en) * | 2019-07-01 | 2021-05-18 | 电子科技大学中山学院 | Electronic scale unbalance loading vision test machine |
| CN111307264B (en) * | 2019-12-30 | 2021-09-21 | 中山佳维电子有限公司 | Scale body testing method and device, storage medium and upper computer |
| CN111397719A (en) * | 2020-04-08 | 2020-07-10 | 常州市富月砝码有限公司 | Full-automatic high accuracy electronic scale precision check system |
| CN114104892A (en) * | 2020-08-27 | 2022-03-01 | 福州开发区创达电子有限公司 | Elevator load test method based on RFID technology |
| CN114104884A (en) * | 2020-08-27 | 2022-03-01 | 福州特设云服信息技术有限公司 | Elevator load test device based on Internet of things |
| CN113324641A (en) * | 2021-05-28 | 2021-08-31 | 徐州三原中控技术有限公司 | Automatic hanging-code calibration device for high-precision scale |
| CN114157813B (en) * | 2022-02-07 | 2022-05-03 | 深圳市慧为智能科技股份有限公司 | Electronic scale camera motion control method and device, control terminal and storage medium |
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Effective date of registration: 20200609 Address after: 213001 No.99 Qingyang Road, Xuejia Town, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Changzhou Qichuang electronic weighing instrument Co.,Ltd. Address before: 225000 No. 199 Yang Yang Xi Road, Hanjiang District, Jiangsu, Yangzhou Patentee before: YANGZHOU POLYTECHNIC INSTITUTE |
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Effective date of registration: 20221128 Address after: No. 8-13, Park Road, Industrial Park, Xuebu Town, Jintan District, Changzhou City, Jiangsu Province, 213200 Patentee after: Changzhou Mujing Technology Co.,Ltd. Address before: No. 99, Qingyang Road, Xuejia Town, Xinbei District, Changzhou City, Jiangsu Province, 213001 Patentee before: Changzhou Qichuang electronic weighing instrument Co.,Ltd. |