CN107088528A - A kind of noble metal blank fast automatic weighing device and its Weighing method in high precision - Google Patents
A kind of noble metal blank fast automatic weighing device and its Weighing method in high precision Download PDFInfo
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- CN107088528A CN107088528A CN201710288039.1A CN201710288039A CN107088528A CN 107088528 A CN107088528 A CN 107088528A CN 201710288039 A CN201710288039 A CN 201710288039A CN 107088528 A CN107088528 A CN 107088528A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/16—Sorting according to weight
- B07C5/22—Sorting according to weight using a plurality of stationary weighing mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
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Abstract
The invention discloses a kind of noble metal blank fast automatic weighing device in high precision, two sets of Weighing mechanisms and two sets of feed mechanisms are symmetricly set on positioned at a set of cutting agency both sides at middle part；The upper shots weighed a little with homonymy feed mechanism of its installation weighing sensor of the Weighing mechanism, the blanking point of cutting agency are equidistantly and spacing is M；The automatic weighing device is also connected and mobile multi-axis robot of being staggered the time between left weighing unit, right weighing unit including one with control system；The working end of the multi-axis robot, which is set, installs two sets for capturing or discharging the sucker that blank and centre-to-centre spacing are M in a suction cup carrier, suction cup carrier.The invention also discloses a kind of Weighing method, manually weighed with automatic replacement of weighing first, then high-precision weighing is carried out to blank with weighing sensor, make full use of blank to stand the time of wait reading on weighing sensor by the structure for the weighing that can stagger the time simultaneously, improve the High Precision Automatic speed weighed.
Description
Technical field
The present invention relates to base cake blank weighing field, specifically, being that a kind of noble metal blank is fast automatic in high precision claims
Refitting is put and its Weighing method.
Background technology
In current domestic pharmaceutical industry industry, gold and silver noble metal base cake is weighed or dynamic in production process of weighing using conventional manual
Belt claims weighting manner, and speed of manually weighing is average everyone 30 pieces per minute or so, and speed of weighing is slow, and there is human error；
Import dynamic belt scale（Such as import " plum Teller-support benefit " scale）Speed of weighing than artificial block of weighing, but dynamic belt scale
Weighing precision is ± 0.020 gram, does not reach the requirement that small dimension noble metal products weighing precision is ± 0.005 gram；Using high-precision
The weighing sensor of degree can reach the requirement that weighing precision is ± 0.005 gram, but blank need to be at least quiet on weighing sensor
Put and just can guarantee that within 1.5 seconds accurate reading, therefore using the High Precision Automatic device weighed of weighing sensor progress, it is weighed at present
Efficiency is slower, and each weighing sensor correspondence is per minute at most to weigh 40 pieces.
The content of the invention
It is an object of the invention to provide a kind of noble metal blank fast automatic weighing device in high precision, first with automatic title
Substitute and manually weigh again, high-precision weighing then is carried out to blank with weighing sensor, while passing through the knot for the weighing that can stagger the time
Structure makes full use of blank to stand the preparation of weighing for waiting the time of reading to carry out another assembly material on one group of weighing sensor, greatly
The High Precision Automatic speed weighed is improved greatly.
Another object of the present invention is to provide a kind of noble metal blank fast automatic Weighing method in high precision, using staggering the time
The time that the operating method of weighing, reasonable distribution multi-spindle machining hand are each acted, so as to make full use of blank in weighing sensor
It is upper to weigh the time for waiting reading, effectively improve efficiency of weighing while weighing precision is ensured.
The present invention is achieved through the following technical solutions：A kind of noble metal blank fast automatic weighing device in high precision, including
Control system and the feed mechanism being connected respectively with control system, Weighing mechanism, cutting agency, the discharge end engagement of cutting agency
Lattice product passage or defective work passage, two sets of Weighing mechanisms and two sets of feed mechanisms are symmetricly set on a set of blanking positioned at middle part
Mechanism both sides, the cutting agency of the feed mechanism in left side, the Weighing mechanism in left side and centre constitutes left weighing unit, right side it is upper
Expect that the cutting agency of mechanism, the Weighing mechanism on right side and centre constitutes right weighing unit；Its installation of the Weighing mechanism is weighed biography
The upper shots weighed a little with homonymy feed mechanism of sensor, the blanking point of cutting agency are equidistant and spacing is M, and weighing sensor is
The microbalance of data communication is carried out with control system；The automatic weighing device be also connected including one with control system and
Staggered the time between left weighing unit, right weighing unit mobile multi-axis robot；The working end of the multi-axis robot sets one to inhale
It is M and the sucker for capturing or discharging blank that two sets of centre-to-centre spacing are installed in plate rail, suction cup carrier, and sucker is external by vacuum tube
The vavuum pump controlled by control system.
The present invention includes two sets of weighing units and the multi-axis machine moved back and forth of being staggered the time between two sets of weighing units
People.Two sets of weighing units are divided into left weighing unit and right weighing unit, and the left weighing unit, right weighing unit are respectively set
A set of feed mechanism and a set of Weighing mechanism, but share a set of cutting agency.The cutting agency connects certified products passage or not conformed to
Lattice product passage.The multi-axis robot is captured or discharged to blank by multiple suckers of setting.The feed mechanism, title
Heavy-duty machine structure, cutting agency, multi-axis robot are controlled by control system United Dispatching.
Its outlet of plain edge machine in preceding working procedure connects with feed mechanism and is delivered to noble metal blank by feed mechanism
Weighing mechanism is weighed, and weighing sensor weighs billet weight and feeds back to control system, and control system is according to the title of collection
Whether tuple evidence meets design threshold and controls cutting agency to act：Blank of the weight in threshold range falls into certified products and led to
Road；Weight falls into defective work passage beyond the blank of threshold range.
The control system include PLC, touch-screen, weighing sensor, feed mechanism in switching device, under
Expect switching device in mechanism.The PLC respectively with switching device in touch-screen, weighing sensor, feed mechanism,
Switching device connects to control it to act in cutting agency.
In order to more preferably realize the present invention, further, the cutting agency includes discharging corresponding with blanking point position
Feeding-distribution device and discharging feeding-distribution device docking certified products passage, two blanking channels of defective work passage；The discharging sub-material dress
Put including discharging support, the sliding block being slidably arranged in discharging support and the blanking for being connected and driving sliding block to slide with control system
Cylinder.One blanking hole is set on the discharging support, while sliding block is horizontally through blanking hole and radial direction of the sliding block along blanking hole is slided
It is dynamic to be connected on discharging support.The sliding block sets a skewed slot for guiding blank gliding direction.
Sliding block is driven by blanking cylinder and is radially slided regulation along blanking hole in the cutting agency.The sliding block is with going out
The position relationship of material support has two important states：One is that sliding block return back to extreme position for the moment, the blanking hole in discharging frame
Connected with certified products passage/defective work passage；Two when being that sliding block proceeds to extreme position two, in the blanking hole in discharging frame
Portion connects with the skewed slot of sliding block and is conducted to defective work passage/certified products passage.Pass through the discharging frame being slidably connected
And slide block structure, blank can be achieved and is fallen from same blanking point, but blank of the gravimetric value in threshold range falls into certified products
Passage and the blank of gravimetric value superthreshold scope falls into defective work passage.
Two kinds of connected modes of blanking hole, skewed slot and certified products passage, defective work passage：One be blanking hole lower end it is proper
Good entry position of the lower end corresponding and skewed slot with the entry position of certified products passage just with defective work passage is corresponding；Two are
Just corresponding and skewed slot with the entry position of defective work passage lower end enters with certified products passage just for the lower end of blanking hole
Mouth position correspondence.
In order to more preferably realize the present invention, further, the feed mechanism is multithread feeding structure, including is set multiple
The charging feeding-distribution device of discharging head piece and the feed conveyor belt connected one to one with discharging head piece；The feed conveyor belt includes
Driving wheel, driven pulley, the belt of transmission, it is connected with control system and drives the transmission that is driven of driving wheel drive belt powered
Machine and the feeding limited block that blank to be weighed is positioned to upper shots, between the bottom surface and belt upper surface of feeding limited block
Distance is less than the thickness of blank.
In order to more preferably realize the present invention, further, the charging feeding-distribution device includes feed bin, is arranged on charging
The shunting push pedal of box house, be connected with control system and control shunt push pedal action magnetic valve and from feed bin bottom connect
Pass to the split channel at belt filled end.
In order to more preferably realize the present invention, further, the feed mechanism is arranged on loading working table, Weighing mechanism
It is arranged on and is weighed in material distribution worktable with cutting agency, multi-axis robot is arranged in robotic workstation, loading working table, title
Weight material distribution worktable, robotic workstation are independently fixed on buffering plate.
In order to more preferably realize the present invention, further, in addition to one covers on feed mechanism, Weighing mechanism, blanking machine
Protection cabinet on the outside of structure, multi-axis robot.Air-conditioning for temperature adjustment in protection cabinet is installed on the protection cabinet
Device.
In order to more preferably realize the present invention, further, " work " font and four that the suction cup carrier is protruded in four ends
Individual sucker is arranged on four ends of suction cup carrier；Respective upper shots in the left weighing unit, right weighing unit, weigh a little with
And the quantity of the shared blanking point of left weighing unit, right weighing unit is 2.
A kind of noble metal blank method that fast automatic weighing device is weighed automatically in high precision, the control system control
Multi-axis robot processed is alternately mobile stagger the time weighing between left weighing unit, right weighing unit, while control system is logical
Cross that the vavuum pump control correspondence upper shots blank of sucker crawl and discharging weighs a blank or crawl is weighed a blank and under discharging
Shots blank, furthermore, control system controls correspondence cutting agency corresponding by the weigh reading of place's weighing sensor of analysis
Blank carries out sub-material output from certified products passage or defective work passage.
In order to more preferably realize the present invention, further, the left weighing unit includes upper left shots, a left side and weighed a little；Institute
Right weighing unit is stated to weigh a little including upper right shots, the right side；Before the automatic weighing device life's work, debugging beam worker need to be carried out
Make：Feed mechanism is first started by control system, the blank to be weighed such as be continuously replenished upper left shots, upper right shots；Again by controlling
System processed control multi-axis robot drives sucker trial operation together, upper left shots, a left side weigh point, upper right shots, the right side weigh it is a little equal
When having blank, preparation is completed；
The step of being carried out including next coming in order of weighing of staggering the time：
Step A：Correspondence position of the sucker of the multi-axis robot in upper left shots, a left top of weighing declines, sucker difference
Blank to be weighed, the left blank for completing to weigh on a little of weighing in crawl upper left shots；
Step B：Left point of weighing, the correspondence position above blanking point is moved to after the sucker lifting of the multi-axis robot to decline,
Control system controls corresponding cutting agency to act respectively according to each blank weighing situation simultaneously, sucker release blank, left title
Blank on emphasis is weighed, the blank on blanking point falls into certified products passage or defective work passage；
Step C：It is moved to after the sucker lifting of the multi-axis robot under upper right shots, the correspondence position of a right top of weighing
Drop, sucker captures blank to be weighed in upper right shots, the right blank for completing to weigh on a little of weighing respectively；
Step D：Right point of weighing, the correspondence position above blanking point is moved to after the sucker lifting of the multi-axis robot to decline,
Control system controls corresponding cutting agency to act respectively according to each blank weighing situation simultaneously, sucker release blank, right title
Blank on emphasis is weighed, the blank on blanking point falls into certified products passage or defective work passage；
Step E：Upper left shots, the correspondence position of a left top of weighing are returned to after the sucker lifting of the multi-axis robot, is repeated
Step A- steps D；
Wherein, blank of the numerical value in threshold range of weighing falls into certified products passage, and numerical value of weighing exceeds the blank of threshold range
Fall into defective work passage.
In order to more preferably realize the present invention, further, the working time of one cycle is in the weighing process of staggering the time
1.6 seconds, the specific time was allocated as follows：
The working time of one cycle is 1.6 seconds in the weighing process of staggering the time, and the specific time is allocated as follows：
Sucker declines and captures blank, take 0.2 second when correspondence upper left shots, a left side is weighed simultaneously in the step A；
Sucker first rises from correspondence upper left shots simultaneously, the left position weighed a little in the step B, then moves to correspondence simultaneously
A left side is weighed the position of point, blanking point, then is declined and discharged blank, takes 0.4 second altogether；
Position of the sucker first from the point while a correspondence left side is weighed, middle blanking point rises in the step C, then moves to simultaneously
Correspondence upper right shots, the right position weighed a little, then decline and capture blank, take 0.4 second altogether；
Sucker first rises from correspondence upper right shots simultaneously, the right position weighed a little in the step D, then moves to correspondence simultaneously
The right side is weighed point, the position of middle blanking point, then is declined and discharged blank, takes 0.4 second altogether；
Position of the sucker first from the point while the correspondence right side is weighed, middle blanking point rises in the step E, then moves back to step
The position that correspondence upper left shots, a left side are weighed a little simultaneously in rapid A, takes 0.2 second altogether.
The present invention compared with prior art, with advantages below and beneficial effect：
（1）A kind of noble metal blank fast automatic weighing device in high precision in the present invention, while setting two sets of feed mechanisms and two
Weighing mechanism is covered, multi-axis robot is staggered the time mobile at two sets and blank is captured or released between feed mechanism, Weighing mechanism
Put, make full use of the wait reading duration of weighing, greatly improve efficiency of weighing；
（2）Noble metal blank is weighed by weighing sensor in the present invention and blank stands one section on weighing sensor
Time, so as to realize the reachable ± 0.005g of weighing precision；
（3）Cutting agency is ingenious in the present invention sets a sliding block, and control system pushes or pull on sliding block by blanking cylinder makes cunning
The skewed slot of block and the blanking hole position relationship of discharging support change, thus realize blank from same blanking point discharge when root
Certified products passage or defective work passage whether are entered in threshold range according to own wt value；
（4）Feed mechanism is set to multithread mouth structure in the present invention, realize multiple blanks in one group simultaneously feeding, weighing, under
Material, improves efficiency of weighing；
（5）Automatic weighing method in the present invention, by the architectural feature of automatic weighing device, by a multi-axis robot on a left side
Interlock between weighing unit, two sets of weighing units of right weighing unit mobile and staggering the time for realizing is weighed, not only ensured weighing precision but also big
It is big to improve efficiency of weighing.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram in the present invention.
Fig. 2 is overlooking the structure diagram of the present invention.
Fig. 3 is the dimensional structure diagram of Weighing mechanism and cutting agency in the present invention.
Fig. 4 is the front structural scheme of mechanism of this Weighing mechanism and cutting agency.
Fig. 5 is the dimensional structure diagram of multi-axis robot in the present invention.
Fig. 6 is the structural representation of feed mechanism in the present invention.
Fig. 7 is the structural representation of charging feeding-distribution device in the present invention.
Fig. 8 is the internal structure schematic diagram of cutting agency in the present invention.
Fig. 9 is the structural representation of protection cabinet in the present invention.
Wherein：01st, feed mechanism；011st, upper shots；012nd, plate is smoothed；013rd, feed conveyor belt；014th, loading working table；
015th, feeding limited block；016th, feed bin；017th, split channel；02nd, Weighing mechanism；021st, weigh a little；03rd, cutting agency；
031st, blanking point；032nd, blanking cylinder；033rd, weigh material distribution worktable；034th, discharging support；035th, sliding block；0351st, skewed slot；
036th, certified products passage；037th, defective work passage；04th, multi-axis robot；041st, suction cup carrier；042- suckers；043- vavuum pumps；
044- robotic workstations；05th, main frame；051st, organic glass door.
Embodiment
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.
It is to be appreciated that term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ",
The orientation or position relationship of the instruction such as " top ", " bottom ", " interior ", " outer " are
For the ease of the description present invention and simplified description, rather than indicate or imply that the device or element of meaning must be with specific sides
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Embodiment 1：
A kind of noble metal blank of the present embodiment fast automatic weighing device, including control system, feed mechanism 01, title in high precision
Heavy-duty machine structure 02, cutting agency 03, multi-axis robot 04, certified products passage 036, defective work passage 037, control system respectively with
Feed mechanism 01, Weighing mechanism 02, cutting agency 03, multi-axis robot 04 are connected, certified products passage 036, defective work passage
037 is docked at the discharge end of cutting agency 03.Its outlet of plain edge machine in preceding working procedure connects with feed mechanism 01 and by feeder
Noble metal blank is delivered to Weighing mechanism 02 and weighed by structure 01, and weighing sensor weighs billet weight and feeds back to control system
Whether system, control system meets design threshold according to reading of weighing and controls the action of cutting agency 03, makes the blank after weighing
Into certified products passage 036 or defective work passage 037.
In the present embodiment, as shown in Figure 1, Figure 2, feed mechanism 01 described in Fig. 3, Fig. 4 has left and right two sets and often set is divided into two streams,
Respectively there are two upper shots 011, i.e. upper left shots 2 and upper right shots 2 in the both sides of cutting agency 03；The Weighing mechanism 02 also has
Left and right two sets and two weighing sensors of setting respectively are often covered, respectively there are two weigh a little 021, i.e., left title in the both sides of cutting agency 03
2, the emphasis and right side is weighed a little 2；The cutting agency 03 is also correspondingly arranged 2 blanking points 031.Meanwhile, as shown in figure 5, multiaxis
The sucker 042 of the working end of robot 04 is also configured as 4 and 4 suckers 042 be arranged on four of " work " font suction cup carrier 041 it is convex
The end gone out.
As shown in figure 1, the fixed position of the multi-axis robot 04 has following：
One is, 4 suckers 042 simultaneously weigh a little by 2 upper left shots of correspondence and 2 left sides；
Two are, 4 suckers 042 blanking point 031 that 2 left sides of correspondence are weighed a little with 2 centres simultaneously；
Three are, 4 suckers 042 simultaneously weigh a little by 2 upper right shots of correspondence and 2 right sides；
Four are, 4 suckers 042 blanking point 031 that 2 right sides of correspondence are weighed a little with 2 centres simultaneously.
Aforementioned four position carries out and moved in circles successively, so that weighed on a left side when there is the blank to weigh on a little,
Carry out the crawl of blank to be weighed and the release weighed in right weighing unit, whne the right side weigh a little start weigh when, a left side is weighed on a little
Blank is just weighed and finished, and can carry out sub-material discharging, and carry out new round weighing.Multi-axis robot 04 left weighing unit,
Staggered the time between right weighing unit action, the time for making full use of blank to stand, wait on weighing sensor, make high-precision weighing
Efficiency is greatly improved.
The automatic weighing device of noble metal blank is put with multi-axis robot 04 and sucker 042 this crawl in the present embodiment
Material mechanism is core, is controlled by PLC, realizes that four weighing sensors of collection are weighed value, control multiaxis
Robot 04 and grab discharge mechanism pick-and-place metal base cake and control charging feeding-distribution device, discharge feeding-distribution device automatic shunt one
Plant quick, high accuracy, automatic weighing device.
In the present embodiment, control system includes PLC and is connected with by Ethernet with PLC
Touch display screen, PLC is by the weighing datas of RS232 bus Quick Acquisition weighing sensors, after being computed
The drive device of output signal control multi-axis robot 04, the drive device of feed conveyor belt 013, sub-material magnetic valve, blanking gas
The grade work of cylinder 032.Wherein, multi-axis robot 04 can use EPSON robots, as long as four axles of four axles linear motion can be realized
Mechanical arm, commercially can directly purchase and the present invention improvement and do not lie in the internal structure of multi-axis robot 04,
Therefore repeat no more.
Further, as shown in Figure 6, Figure 7, the feed mechanism 01 is two stream feeding structures, including sets 2 discharging head pieces
Charging feeding-distribution device and with 2 corresponding 2 feed conveyor belts 013 of discharging head pieces.Two sets positioned at the both sides of cutting agency 03
Feed mechanism 01, structure is the same, repeats no more.The feed conveyor belt 013 include driving wheel, driven pulley, transmission belt, with
Control system connects and drives driving wheel to drive the transmission translator that is driven of belt and be positioned at blank to be weighed
The feeding limited block 015 of shots 011, the distance between the bottom surface and belt upper surface of feeding limited block 015 is less than the thickness of blank.
As shown in fig. 6, the feeding limited block 015 sets a recess matched with blank outline, and feeding limited block
Distance between 015 and belt is less than sotck thinkness.The feed conveyor belt 013 also includes smoothing plate 012.It is described to smooth plate 012
It is laid on above belt and smooths the distance between plate 012 and belt slightly larger than sotck thinkness, is just laid flat on one's back for a blank logical
Cross.
The blank falls to belt from discharging head piece, and with flat state through smooth plate 012 and by belt bring to
Feeding limited block 015, when the outline of blank is embedded in recess, belt is rotated further, but blank is in the recessed of feeding limited block 015
Portion is positioned limitation, so as to ensure that sucker 042 can accurately adsorb blank when being moved to shots 011.
Further, the charging feeding-distribution device is pushed away including feed bin 016, the shunting being arranged on inside feed bin 016
Plate, be connected with control system and control shunt push pedal action magnetic valve and be communicated to belt filled from the bottom of feed bin 016
The split channel 017 at end.
As shown in fig. 7, the magnetic valve drives shunting push pedal left/right to wave under control system control, so that into
The blank of feed bin 016 is dispersed to two split channels 017, then is conveyed by corresponding feed conveyor belt 013 supreme
Shots 011 and wait to be weighed.Left and right each two split channels 017, i.e. 4 split channels 017 altogether, 4 charging transmission of correspondence
Band 013.
Further, the cutting agency 03 includes discharging correspondingly feeding-distribution device with the position of blanking point 031, described
Discharging feeding-distribution device includes discharging support 034, the sliding block 035 being slidably arranged in discharging support 034 and is connected with control system
And the blanking cylinder 032 for driving sliding block 035 to slide, one end of sliding block 035 sets one to supply what noble metal blank directly dropped just
The other end of blanking hole and sliding block 035 sets a skewed slot 0351 dropped obliquely for noble metal blank, and the lower end of blanking hole is proper
The entrance position of good lower end corresponding with the entry position of certified products passage 036 and skewed slot 0351 just with defective work passage 037
Put correspondence.The blanking cylinder 032 is double helical pitch cylinders.
The controlled systemic effect of the sliding block 035 is slided in discharging support 034, there is two key positions：One is blanking
Hole is corresponding with blanking point 031, and now blank can be directly entered certified products passage 036 after the entrance of blanking point 031 from blanking hole；Two
Be skewed slot 0351 upper end it is corresponding with blanking point 031, now blank from blanking point 031 entrance after can from skewed slot 0351 it is oblique slide
To defective work passage 037.Certain certified products passage 036, defective work passage 037 with skewed slot 0351, blanking hole it is corresponding
Annexation can also be exchanged, and met threshold value as long as reaching according to billet weight release and carried out sub-material.The certified products
Passage 036, defective work passage 037 can be independent separator tube, multiple certified products passages 036 or multiple defective work passages
037 can also merge into an entirety, such as infundibulate.
As shown in figure 8, the sliding block 035 in left side retracts to extreme position one in Fig. 8, now blanking hole directly docks certified products
Passage 036, blank enters from this blanking point 031 just directly to drop recovery from certified products passage 036；The sliding block 035 on right side in Fig. 8
Extreme position two is extend out to, now in the middle part of the insertion blanking hole of skewed slot 0351 of sliding block 035, the discharging end of blanking hole is guided into and not conformed to
Lattice product passage 037, i.e. blank enter from this blanking point 031 just falls into defective work passage 037 from skewed slot 0351.
Sliding block 035 is driven by blanking cylinder and is radially slided regulation along blanking hole in the cutting agency.The sliding block
035 has two important states with the position relationship of discharging support 034：One is that sliding block 035 return back to extreme position for the moment, discharging machine
Blanking hole in frame is connected with the defective work passage 037 of certified products passage 036/；Two be that sliding block 035 proceeds to extreme position two
When, discharging frame in blanking hole in the middle part of connect and be conducted to defective work passage 037/ with the skewed slot 0351 of sliding block 035
Certified products passage 036.By the discharging frame and the structure of sliding block 035 being slidably connected, blank can be achieved from same blanking point 031
Fall, but blank of the gravimetric value in threshold range falls into certified products passage 036 and the blank of gravimetric value superthreshold scope is fallen into
Defective work passage 037.
Embodiment 2：
The present embodiment is optimized on the basis of above-described embodiment, as shown in Figure 1 and Figure 2, and the feed mechanism 01 is arranged on upper
Expect on workbench 014, Weighing mechanism 02 and cutting agency 03 are arranged on and weighed in material distribution worktable 033, and multi-axis robot 04 is pacified
In robotic workstation 044, divide on loading working table 014, in material distribution worktable of weighing 033, in robotic workstation 044
It is not fixed on buffering plate independently.
Because heretofore described automatic weighing device is in order to improve efficiency of weighing, one multi-axis robot 04 of design is on a left side
The structure of weighing unit, right weighing unit alternate reciprocating motion between the two.But, the automatic weighing device is to noble metal
Blank carries out high-precision weighing, and the vibration produced to reduce multi-axis robot 04 during alternate reciprocating motion may be right
The influence of weighing results, and reduce feeding process in blank drop belt when produce vibration may weighing results shadow
Ring, the present embodiment by be respectively used to install feed mechanism 01, Weighing mechanism 02, multi-axis robot 04 workbench separately and mutually
It is independently arranged.This structure can be very good to avoid multi-axis robot 04 move or feeding process in vibrate weighing precision influenceed.
As long as isolating according to the workbench of Weighing mechanism 02 with other workbench, you can avoid vibration effect.
Further, the buffering plate weight is big, it is possible to reduce vibration effect, ensures weighing precision ± 0.005 gram.
The other parts of the present embodiment are same as Example 1, therefore repeat no more.
Embodiment 3：
The present embodiment is optimized on the basis of above-described embodiment, as shown in figure 9, also including one cover on feed mechanism 01,
Weighing mechanism 02, cutting agency 03, the protection cabinet in the outside of multi-axis robot 04.The protection cabinet includes main frame 05, base
The organic glass door 051 installed in main frame 05, main frame 05 uses section bar, and organic glass door 051 is hinged with main frame 05.
The protection cabinet can carry out windproof to Weighing mechanism 02, be prevented effectively from the influence of wind weighing results.Furthermore, in the present invention
Automatic weighing device full automatic weighing, can carry out the setting of protection cabinet to it, and neither influence is weighed automatically, can more preferably be protected again
Hinder weighing precision.
Further, the air-conditioning device for temperature adjustment in protection cabinet is installed on protection cabinet.Pass through air-conditioning device
Air themperature in protection cabinet is adjusted, 20-25 DEG C is kept it in, it is to avoid weighing sensor is not met because of operating temperature
It is required that and the not high situation of measurement accuracy.
The other parts of the present embodiment are identical with embodiment 1 or 2, therefore repeat no more.
Embodiment 4：
A kind of fast automatic method weighed of noble metal blank dynamic high precision, described stagger the time weighs what is carried out including next coming in order
Step：
Step A：Correspondence position of the sucker 042 of the multi-axis robot 04 in upper left shots, a left top of weighing declines, sucker
042 captures blank to be weighed in the shots of upper left, the left blank for completing to weigh on a little of weighing respectively；This step takes 0.2 second；
Step B：The sucker 042 of the multi-axis robot 04 is moved to left point of weighing, the corresponding position of the top of blanking point 031 after being lifted
Decline is put, while control system controls corresponding cutting agency 03 to act respectively according to each blank weighing situation, sucker 042 is released
Put blank, the blank that a left side is weighed on a little is weighed, the blank on blanking point 031 falls into certified products passage 036 or defective work
Passage 037；This step takes 0.4 second；
Step C：The sucker 042 of the multi-axis robot 04 is moved to upper right shots, the corresponding position of a right top of weighing after being lifted
Decline is put, sucker 042 captures blank to be weighed in upper right shots, the right blank for completing to weigh on a little of weighing respectively；This step
Take 0.4 second；
Step D：The sucker 042 of the multi-axis robot 04 is moved to right point of weighing, the corresponding position of the top of blanking point 031 after being lifted
Decline is put, while control system controls corresponding cutting agency 03 to act respectively according to each blank weighing situation, sucker 042 is released
Put blank, the blank that the right side is weighed on a little is weighed, the blank on blanking point 031 falls into certified products passage 036 or defective work
Passage 037；This step takes 0.4 second；
Step E：The sucker 042 of the multi-axis robot 04 returns to upper left shots, the correspondence position of a left top of weighing after being lifted,
Repeat step A- steps D；This step takes 0.2 second.
To sum up, the time of the completion of multi-axis robot 04 half period makes 0.8 second, and blank needs to stand on weighing sensor
1.6 seconds, now multi-axis robot 04 move to the action that another side is captured, discharged, move in circles successively, reach every point
Clock weighs 150 pieces of efficiency of weighing, and substantially exceeds and manually weighs.
The other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 5：
The present embodiment is based on any one of embodiment 1- embodiments 4, as shown in figure 1, blank plain edge machine from preceding working procedure
Outlet enter arranged on left and right sides feed mechanism 01.Blank is divided into two-way shunting by the feed mechanism 01 in left side by sub-material push pedal
Passage 017, all the way one feed conveyor belt 013 of the correspondence of split channel 017, the upper shots of each feed conveyor belt 013 correspondence one
011, so the corresponding two upper left shots of the feeding device 01 in left side in the present invention.
Middle left and right both sides of the present invention respectively set a set of Weighing mechanism 02, and the Weighing mechanism 02 in left side sets two left sides to weigh
Point.
A set of cutting agency 03 is set in the middle of in the present invention, and cutting agency 03 sets two blanking points 031.
Distance is M between same row upper left shots and a left side are weighed a little；A same row left side is weighed a little, and distance is M between blanking point.
The feed mechanism 01 on right side, the Weighing mechanism 02 on right side and feed mechanism 01, the Weighing mechanism 02 in left side in left side
Structure is identical and is symmetrical arranged.Distance is M between i.e. same row's upper right shots and the right side are weighed a little；Weigh a little and blanking point on the same row right side
Between distance be M.
As shown in figure 1, the working end of multi-axis robot 04 sets " work " font suction cup carrier 041, and in suction cup carrier 041
Four suckers 042 are installed.As shown in figure 5, four 042 point of suckers are left and right two groups, and two groups of suckers, 042 centre-to-centre spacing is M.
In the present invention, left weighing unit, two sets of weighing units of right weighing unit are set, multi-axis robot 04 can weigh on a left side
Movement of staggering the time is carried out according to designed time beat between unit, two weighing units of right weighing unit, while different
Moment node is captured or discharged the action of blank.Specifically, with multi-axis robot 04 since left weighing unit regular employee
As example, now two upper left shots, have blank in two upper right shots.First, the crawl of multi-axis robot 04 upper left shots
On blank be placed on a left side and weigh on a little and weighed, during weighing sensor reading in waiting left weighing unit, multiaxis machine
Device people 04 is quickly moved to right side weighing unit, captures and is placed on the right side and weighs on a little the blank in upper right shots and claimed
Weight；During weighing sensor reading in waiting right weighing unit, multi-axis robot 04 is moved back to rapidly left weighing unit, simultaneously
Crawl upper left shots are with the left blank weighed a little and to the mobile M in centre, and the blank that a former left side is weighed on a little is delivered to cutting agency
The blank that 03 blanking point 031 is carried out in classification discharging, former upper left shots, which is released in a left side, weighs weighing measurement is carried out on a little；
Left weighing sensor weigh wait reading when, axle robot 04 is moved back to rapidly right weighing unit, while capturing upper right shots
On blank and the right blank weighed on a little and move M to middle, the blank that the former right side is weighed on a little is delivered to cutting agency 03
Blanking point 031 carry out sub-material discharging, the blank in former upper right shots, which is released in the right side, weighs weighing measurement is carried out on a little；Circulation
Back and forth, the reciprocal movement of staggering the time of multi-axis robot 04, makes full use of the time for wait of weighing during high-precision weighing.
It is described above, be only presently preferred embodiments of the present invention, any formal limitation not done to the present invention, it is every according to
According to the present invention technical spirit above example is made any simple modification, equivalent variations, each fall within the present invention protection
Within the scope of.
Claims (10)
1. a kind of noble metal blank fast automatic weighing device in high precision, including control system and it is connected respectively with control system
Feed mechanism（01）, Weighing mechanism（02）, cutting agency（03）, cutting agency（03）Discharge end connect certified products passage（036）、
Defective work passage（037）, it is characterised in that：Two sets of Weighing mechanisms（02）With two sets of feed mechanisms（01）It is symmetricly set on and is located at
A set of cutting agency at middle part（03）Both sides, the feed mechanism in left side（01）, left side Weighing mechanism（02）With middle blanking
Mechanism（03）Constitute left weighing unit, the feed mechanism on right side（01）, right side Weighing mechanism（02）With middle cutting agency
（03）Constitute right weighing unit；The Weighing mechanism（02）It installs weighing a little for weighing sensor（021）With homonymy feeder
Structure（01）Upper shots（011）, cutting agency（03）Blanking point（031）Equidistant and spacing is M, and weighing sensor is and control
System carries out the microbalance of data communication；The automatic weighing device is also connected with control system and weighed on a left side including one
Staggered the time between unit, right weighing unit mobile multi-axis robot（04）；The multi-axis robot（04）Working end set one
Suction cup carrier（041）, suction cup carrier（041）Upper two sets of centre-to-centre spacing of installation are M and the sucker for capturing or discharging blank（042）, inhale
Disk（042）Pass through the external vavuum pump controlled by control system of vacuum tube（043）.
2. a kind of noble metal blank according to claim 1 fast automatic weighing device in high precision, it is characterised in that：It is described
Cutting agency（03）Including with blanking point（031）The corresponding discharging feeding-distribution device in position；The discharging feeding-distribution device includes discharging
Support（034）, be slidably arranged in discharging support（034）In sliding block（035）Be connected with control system and drive sliding block（035）
The blanking cylinder of slip（032）；The discharging support（034）Blanking hole is set, and diametric(al) is slided along along blanking hole cross section
Through the sliding block of blanking hole（035）Upper setting skewed slot（0351）；The blanking hole and skewed slot（0351）Respectively with certified products passage
（036）Defective work passage（037）Connection.
3. a kind of noble metal blank according to claim 1 fast automatic weighing device in high precision, it is characterised in that：It is described
Feed mechanism（01）For multithread feeding structure, including set the charging feeding-distribution device of multiple discharging head pieces and with discharging head piece one by one
The feed conveyor belt of correspondence connection（013）；The feed conveyor belt（013）Including driving wheel, driven pulley, transmission belt, with
Control system connects and drives driving wheel to drive the transmission translator that is driven of belt and be positioned at blank to be weighed
Shots（011）Feeding limited block（015）, feeding limited block（015）Bottom surface and belt upper surface between distance be less than blank
Thickness.
4. a kind of noble metal blank according to claim 3 fast automatic weighing device in high precision, it is characterised in that：It is described
Feeding feeding-distribution device includes feed bin（016）, be arranged on feed bin（016）Internal shunting push pedal and control system connect
Connect and control to shunt the magnetic valve of push pedal action and from feed bin（016）Bottom is communicated to the split channel at belt filled end
（017）.
5. a kind of noble metal blank according to claim 1 fast automatic weighing device in high precision, it is characterised in that：It is described
Feed mechanism（01）Installed in loading working table（014）On, Weighing mechanism（02）And cutting agency（03）Installed in sub-material of weighing
Workbench（033）On, multi-axis robot（04）Installed in robotic workstation（044）On, loading working table（014）, weigh point
Expect workbench（033）, robotic workstation（044）Independently it is fixed on buffering plate.
6. a kind of noble metal blank according to claim 1 fast automatic weighing device in high precision, it is characterised in that：Also wrap
Include one and cover on feed mechanism（01）, Weighing mechanism（02）, cutting agency（03）, multi-axis robot（04）Outside is to Weighing mechanism
（02）Carry out windproof protection cabinet；The protection cabinet sets openable organic glass door（051）.
7. a kind of noble metal blank according to claim any one of 1-6 fast automatic weighing device, its feature in high precision
It is：The suction cup carrier（041）In " work " font and four suckers of four end protrusions（042）Installed in suction cup carrier（041）
Four ends；Respective upper shots in the left weighing unit, right weighing unit（011）, weigh a little（021）And a left side is weighed
The shared blanking point of unit, right weighing unit（031）Quantity be 2.
8. fast automatic weighing device is carried out automatically a kind of noble metal blank according to claim any one of 1-7 in high precision
The method weighed, it is characterised in that：The control system controls multi-axis robot（04）Left weighing unit, right weighing unit it
Between it is alternately mobile stagger the time weighing, while control system passes through vavuum pump（043）Control correspondence sucker（042）Capture feeding
Point（011）Blank and crawl to be weighed is weighed a little（021）The blank weighed has been completed, or release is weighed a little（021）Blank
Weighed and discharge blanking point（031）Blank carries out sub-material discharging, while control system is weighed a little by analysis（021）Place claims
Retransmit the reading control correspondence cutting agency of sensor（03）Blank will be corresponded to from certified products passage（036）Or defective work passage
（037）Carry out sub-material output.
9. a kind of fast automatic method weighed of noble metal blank dynamic high precision according to claim 8, its feature exists
In：The left weighing unit includes upper left shots, a left side and weighed a little；The right weighing unit includes upper right shots, the right side and weighed a little；Institute
State before automatic weighing device life's work, debugging preparation need to be carried out：Feed mechanism is first started by control system（01）, make a left side
Upper shots, upper right shots such as are continuously replenished at the blank to be weighed；Multi-axis robot is controlled by control system again（04）Drive sucker
（042）Trial operation together, weigh point, upper right shots, the right side of upper left shots, a left side is weighed when a little having blank, and preparation is completed；
The step of being carried out including next coming in order of weighing of staggering the time：
Step A：The multi-axis robot（04）Sucker（042）In upper left, shots, the correspondence position of a left top of weighing decline,
Multiple suckers（042）Blank to be weighed in the shots of upper left, the left blank for completing to weigh on a little of weighing are captured simultaneously；
Step B：The multi-axis robot（04）Sucker（042）Left point of weighing, middle blanking point are moved to after lifting（31）
The correspondence position of top, declines, while control system controls the blanking machine of correspondence position according to each blank weighing situation respectively
Structure（03）Action, sucker（042）Blank is discharged, the blank that a left side is weighed on a little is weighed, middle blanking point（31）On base
Material enters cutting agency（03）And by cutting agency（03）Distribute to certified products passage（036）Or defective work passage（037）；
Step C：The multi-axis robot（04）Sucker（042）Upper right shots, pair of a right top of weighing are moved to after lifting
Position is answered, is declined, multiple suckers（042）Blank to be weighed in upper right shots, right weigh are captured simultaneously completes what is weighed on a little
Blank；
Step D：The multi-axis robot（04）Sucker（042）Right point of weighing, middle blanking point are moved to after lifting（31）
The correspondence position of top, declines, while control system controls corresponding cutting agency respectively according to each blank weighing situation
（03）Action, sucker（042）Blank is discharged, the blank that the right side is weighed on a little is weighed, middle blanking point（31）On blank
Into cutting agency（03）And by cutting agency（03）Distribute to certified products passage（036）Or defective work passage（037）；
Step E：The multi-axis robot（04）Sucker（042）Upper left shots, the correspondence of a left top of weighing are returned to after lifting
Position, repeat step A- steps D；
Wherein, cutting agency（03）Action, blank of the numerical value in threshold range that make to weigh falls into certified products passage（036）, or
The numerical value that makes to weigh falls into defective work passage beyond the blank of threshold range（037）.
10. a kind of fast automatic method weighed of noble metal blank dynamic high precision according to claim 9, its feature exists
In：The working time of one cycle is 1.6 seconds in the weighing process of staggering the time, and the specific time is allocated as follows：
Sucker in the step A（042）When correspondence upper left shots, a left side is weighed simultaneously, decline and capture blank, take 0.2 second；
Sucker in the step B（042）First rise from correspondence upper left shots simultaneously, the left position weighed a little, then move to same
When a correspondence left side weigh point, blanking point（31）Position, then decline and discharge blank, take 0.4 second altogether；
Sucker in the step C（042）First from point, middle blanking point while a correspondence left side is weighed（31）Position rise, then
Correspondence upper right shots, the right position weighed a little, then decline and capture blank simultaneously are moved to, 0.4 second is taken altogether；
Sucker in the step D（042）First rise from correspondence upper right shots simultaneously, the right position weighed a little, then move to same
When the correspondence right side weigh point, middle blanking point（31）Position, then decline and discharge blank, take 0.4 second altogether；
Sucker in the step E（042）First from point, middle blanking point while the correspondence right side is weighed（31）Position rise, then
Move back in step A while correspondence upper left shots, the left position weighed a little, take 0.2 second altogether.
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