Summary of the invention
In order to overcome the shortcomings of the prior art described above, for this purpose, the present invention provides a kind of pH value detection device and method.
To achieve the above object, the invention adopts the following technical scheme:
A kind of pH value detection device, including
Probe, the pH value for liquid in detection reagent bottle;
Bracket is detected, for fixed probe;
Blender, for stirring the liquid in reagent bottle;
Probe purification mechanism, for cleaning and air-drying the probe after pH value detects;
Probe driving mechanism, for driving the rotation of detection bracket and moving up and down thus the reagent on blender that makes to pop one's head in
Bottle neutralizes to be moved back and forth in probe purification mechanism;
Control device is separately connected with the output end of probe, the controlled end for driving mechanism of popping one's head in.
Restriction to probe purification mechanism, the probe purification mechanism include liner and outer gallbladder, and liner includes that probe can be stretched
The gallbladder chamber entered forms interlayer cavity between liner and outer gallbladder, be provided with the inlet be connected with interlayer cavity on outer gallbladder, on the liner
It is provided with and sprays the cleaning solution in interlayer cavity to several pores of gallbladder chamber.
Probe purification mechanism is further limited, annular array is distributed on the liner of circular cylindrical pore up and down.
Probe purification mechanism is further limited, the air inlet for being passed through gas to interlayer cavity is additionally provided on the outer gallbladder
Mouthful.
Probe purification mechanism is further limited, the other end is connect with centrifugal pump first is provided on the inlet
Inlet tube is provided with the first air inlet pipe that the other end is connect with air blower, the centrifugal pump and air blower and control on air inlet
Device connection.
Restriction to probe driving mechanism, the pH detection device further include workbench and support frame, the probe driving
Mechanism includes the straight spur unit and rotary drive unit of vertical direction, and the rotary drive unit is fixed below workbench
Worktable support frame on, described straight spur unit one end is fixed on the driving end of rotary drive unit, and the other end passes through work
Make platform to connect with detection bracket.
Probe driving mechanism is further limited, the straight spur unit is arranged on the outer end face of detection bracket
The guide rod being fixed on straight spur unit outer housing, the one end for detecting bracket are vertically set on the driving of straight spur unit
End, and be provided with and the matched pilot unit of guide rod on the end face at the end.
Probe driving mechanism is further limited, the blender is magnetic stirring apparatus, is passed through above magnetic stirring apparatus
Flange is connect with the third placing groove for placing reagent bottle.
Probe driving mechanism is further limited, third placing groove passes through workbench with magnetic stirring apparatus and connects, third
Placing groove is located on workbench, and magnetic stirring apparatus is located at below workbench.
Use the method for above-mentioned pH value detection device, comprising the following steps:
Third placing groove is set above S1, blender, reagent bottle is placed into third placing groove, starts blender work
Make, stands certain time after stirring setting time;
S2, control device control rotary drive unit movement, make probe be located at the top of reagent bottle, control linear drives list
Metaaction stretches to probe in reagent bottle, and probe obtains signal and is transferred in control device;
After S3, control device obtain the signal of pH value, control straight spur unit movement makes probe remove reagent bottle, so
Control rotary drive unit movement afterwards, makes probe be located at the top of probe purification mechanism, and finally controlling straight spur unit makes to visit
The gallbladder that head is extend into probe purification mechanism is intracavitary;
S4, control device control probe purification mechanism are cleaned and are dried to probe.
The present invention has the advantages that
(1) as probe, signal is output in control device the electronic equipment that the device is detected by using pH value, thus
The detection and display for realizing pH value, when detecting solid, need to dilute solid matches liquid, and blender is needed to keep solid maximum
Degree is dissolved in in liquid, and the liquid in reagent bottle is also stirred by blender before testing, probe purification mechanism purification
Probe is prepared for experiment next time.To realize, detection pH value provides machinery to the device automatically on the basis of existing technology
Technical support.
(2) probe purification mechanism in interlayer cavity by being filled with cleaning solution, due to being provided that pore, interlayer cavity on liner
In water continue to increase, the water to increase the pressure of interlayer cavity, and in interlayer cavity forms water column and sprays to the gallbladder chamber in liner,
To clean the spray head after the intracavitary detection of gallbladder.
(3) pore position distribution improves the ability of cleaning sprayer.
(4) air inlet is identical with feed-forward principle, and the setting of air inlet is also residual in water stain after preventing cleaning for dry probe
Analyte after staying dilution, influences the testing result of next checked object, realizes the initialization of entire detection device, and
The cleaning solution in interlayer cavity is made to accelerate to exclude interlayer cavity by wind pressure.
(5) centrifugal pump and air blower are connect with control device, and whether control device control centrifugal pump and air blower work, and
And it also can control water intake velocity and intake velocity.
(6) program is the scheme of driving mechanism of popping one's head in, and in the program, workbench is arranged in rotary drive unit
On the support frame of lower section, the integral level height of pH value detection device can be reduced in this way, to reduce the outer mobile reagent of device
The level height of the manipulator of bottle moves up and down distance when also reducing manipulator operation, when distance reduces, when reagent bottle is mobile
When move up and down height reduce.
(7) guide rod setting so that detection bracket is more stable moves up and down.
(8) this programme uses magnetic stirring apparatus, when detecting the pH value of solid, does not need other stirring rod entirely to fill
The level height set has interference prevented also from stirring rod and probe driving mechanism.
(9) by the setting of third placing groove, magnetic stirring apparatus and operating position, probe driving mechanism driving can be reduced
The height that probe moves upwards.
(10) the stirring means control device controls the mechanical device and realizes that pH value detects automatically.
Specific embodiment
A kind of soil extracts pretreatment system automatically and includes support 6, is arranged on support 6
Blanking device, for adding soil in the reagent bottle on weighing device;
Liquid dispensing device 2, for the corresponding adaptation liquid formation detection liquid of addition into the reagent bottle equipped with soil;
Oscillation device 3, the oscillation for detecting liquid mix, ingredient to be detected in soil are dissolved in adaptation liquid;
PH value detection device 4, for detecting the pH value of liquid to be checked;
Liquid taking device 5 obtains the pure detection liquid for detection to the detection liquid filtration treatment after oscillation;
Robot device 7, for by reagent bottle weighing device, liquid dispensing device 2, oscillation device 3, pH value detection device 4,
It is shifted between liquid taking device 5;
Support 6 includes workbench 61, support frame 62.
In order to realize the function of each device, the structure of each device is described in detail below.
1. blanking device
Blanking device includes that first shell 11, rotor plate 101, driving rotor plate 101 and first shell 11 relatively rotate
First driving mechanism.Rotating plate hole 1011 is offered on rotor plate 101, blanking device further includes scraping the soil on rotor plate 101
Scraper portion in rotating plate hole 1011, the lower end of first shell 11 are discharging end.Rotating plate hole 1011 can be circular hole, can also be with
It is elongate strip hole.
In this embodiment, the first driving mechanism includes first motor 121, driving wheel 122, driven wheel 144, first rotating shaft
145.First rotating shaft 145 passes perpendicularly through and is fixed on the middle part of rotor plate 101, and first motor 121 is fixed on first shell 11
The actuating station driving driving wheel 122 of outer edge, first motor 121 rotates, and driving wheel 122 drives driven wheel 144 to rotate, driven wheel
144 are co-axially located at the upper end of first rotating shaft 145, so that first rotating shaft 145 is rotated around central axes.In this embodiment, it drives
Driving wheel 122 by belt 123 drive driven wheel 144 rotate, can also by the way that driving wheel and driven wheel 144 are substituted for gear,
Pass through chain drive.
Scraper portion includes material scraping plate 143, and the bottom surface of material scraping plate 143 is contacted with the upper surface of rotor plate 101, rotor plate
101 are equal to the length of 143 lower plate of material scraping plate, such rotor plate from the outer circle of first rotating shaft 145 to the distance of outermost edge
All soil is rotated with material scraping plate 143 on 101, and material scraping plate 143, which periodically scrapes into the soil of 101 top of rotor plate, to be turned
In plate hole 1011.For soil when rotor plate 101 rotates, soil bears against 143 one side of material scraping plate.Rotor plate 101 rotates, when scraping
For the first time behind rotating plate hole 1011, soil enters rotating plate hole 1011 for the lower end surface of flitch 143, realizes that soil is vertical for the first time
Slow down and falls.
For uniform blanking, blanking device further includes blanking plate 102, and blanking plate 102 includes the water being bonded with rotor plate 101
Flat portion 1022, hook portion 1023.1023 one end of hook portion is connect with the outer edge of horizontal part 1022, and the other end hangs over first shell
On 11 upper surfaces.First rotating shaft 145 passes through the middle part of blanking plate 102, and is fixedly connected by second bearing 147.Horizontal part
1022 using the central axes of first rotating shaft 145 as the center of circle, and Circle-Array shows several blanking holes 1021, and 1021 to the first turn of blanking hole
The central axes distance of axis 145 being equidistant to the central axes of first rotating shaft 145 with rotating plate hole 1011.The number in rotating plate hole 1011
Less than the number of blanking hole 1021.In this embodiment, rotating plate hole 1011 is 1, and blanking hole 1021 is 6.101 turns of rotor plate
When one week dynamic, material scraping plate 143 scrapes part soil to rotating plate hole 1011, and then remaining soil is with the progress of material scraping plate 143
Rotation, scrape to the soil in rotating plate hole 1011 with rotating plate hole 1011 rotate, until rotating plate hole 1011 successively with 6 blanking holes
1021 coincide with the upper and lower, since rotor plate 101 is constantly in rotary state, on first blanking hole 1021 and rotating plate hole 1011
When lower coincidence, the soil in rotating plate hole 1011 can not disposably be fallen through blanking hole 1021, after multiple blanking holes 1021
It can be realized and fall, and soil is uniformly fallen below blanking plate 102 as far as possible, also reduce soil in the unit time
Falling amount.Optimization, the outer edge of rotor plate 101 and horizontal part 1022 is provided with matched arch bridge structure, prevents from scraping in this way
Flitch 143 is entered in scraping in the gap at horizontal part 1022 and 101 outside edge contacts of rotor plate, influences rotor plate 101
Rotation relative to blanking plate 102.Blanking plate 102 be divided into horizontal part 1022 and hook portion 1023 so that it is convenient to blanking plate 102 from
It is taken out in first shell 11, cleaning first shell 11 is located at the cavity of 102 lower section of blanking plate.Blanking plate 102 and rotor plate 101
Cooperation realizes that vertical slow down of second of soil falls.
The lower end of first rotating shaft 145 is provided with helicitic texture 1451, and helicitic texture 1451 passes through the blanking of first shell 11
End, discharging end medial surface are even surface, and the intracorporal soil of chamber for falling to 102 lower section of blanking plate enters discharging end and helicitic texture
In 1451 gap, rotates and be discharged then as helicitic texture 1451.The structure makes the row of the lasting and special small component of soil
Out, realize that the third time of soil is slowed down whereabouts vertically.
Falling each time for soil can all reduce the falling amount of soil in the unit time, so that fall from discharging end
Amount of soil is more accurate.
It after blanking device use, needs to clean blanking device, in order to clean, blanking device further includes
One recovery tube 13, several second recovery tubes 142, fixed frame 141.Fixed frame 141 includes horizontal supporting plate and is vertically fixed on water
The vertical supporting plate of flat supporting plate side is provided with the hole that first rotating shaft 145 passes through in the other end of horizontal supporting plate, coaxial in the hole
It is provided with the first bearing 146 for being used to support horizontal supporting plate end, vertical supporting plate is fixed in other structures, guarantees horizontal supporting plate
It is horizontal always.In this embodiment, scraper portion further includes scraper support plate 15, and scraper support plate 15 is vertically fixed on material scraping plate
7 font structures are formed on 143 upper surfaces.Several second recovery tube, 142 one ends pass perpendicularly through horizontal supporting plate, the other end side by side
Across scraper support plate 15, the second recovery tube 142 and fixed frame 141 cooperate the support knot that can be used as support scraper support plate 15
Structure, and fixed frame 141 and scraper support plate 15 can be also used for fixing the both ends of the second recovery tube 142.When needs are to rotation
When soil on plate 101 is recycled, since the soil on rotor plate 101 is all located under scraper support plate 15 after rotation
Side, it is only necessary to which the second recovery tube 142 is fixed on external negative pressure part on one end of fixed frame 141, can be realized to rotor plate 101
Cleaning.Scraper support plate 15 and material scraping plate 143 are structure as a whole in this embodiment.
First recovery tube, 13 one end is placed through the first shell 11 between blanking plate 102 and discharging end, and port court
To discharging end, several first recovery tubes 13 are circular ring-shaped array in first shell 11 using the central axes of first rotating shaft 145.
When needing to recycle the soil in the first shell 11 between blanking plate 102 and discharging end, it is only necessary to by the first recovery tube 13
Negative pressure part is connect on outside port, and the cleaning to the first shell 11 between blanking plate 102 and discharging end can be realized.
The control method of blanking device is as follows:
S21, rotor plate 101 is set in the cavity of first shell 11, offers rotating plate hole 1011 on rotor plate 101, is turned
Movable plate 101 is rotated relative to first shell 11, and material scraping plate 143 is arranged on rotor plate 101, soil is poured into rotor plate 101
On, material scraping plate 143 scrapes soil to rotating plate hole 1011;
Blanking plate 102 is also equipped in S22,11 cavity of first shell, blanking plate 102 includes offering blanking hole 1021
Horizontal part 1022, rotor plate 101 and horizontal part 1022 coincide with the upper and lower, and rotor plate 101 is rotated relative to horizontal part 1022, opposite
In rotation process, the soil in rotating plate hole 1011 falls to first shell 11 out of blanking hole 1021 and is located at 102 lower section of blanking plate
Cavity in;
S23, first shell 11 lower end medial surface be even surface, helicitic texture 1451 is coaxially disposed in even surface, is driven
Dynamic helicitic texture 1451 is relatively rotated with first shell 11, and the soil fallen in cavity enters helicitic texture 1451 and even surface
Between gap in, and around to the outlet of first shell 11 fall to the reagent on weighing device as helicitic texture 1451 is rotated
In bottle;
S24, when weighing device show reach determine value when, stop operating plate 101 and helicitic texture 1451 are respectively with first
The relative rotation of shell 11.
2. liquid dispensing device 2
Liquid dispensing device 2 includes reagent bottle rack 201, fluid filling pump, the digestion agent pipe support 203 of fixed liquid-feeding tube, straight line mould group
204, the straight spur unit that driving reagent bottle rack 201 moves back and forth in the straight line mould group 204 under digestion agent pipe support 203,
Straight spur unit is connect with control device, and the straight spur unit is stepper motor 205.203 edge of digestion agent pipe support
The surface array in direction that moves back and forth of reagent bottle rack 201 have the fixation holes 2031 of multiple fixed liquid-feeding tubes.It is described to add
Liquid pump is peristaltic pump 202, and peristaltic pump 202 goes into battle in the direction along straight line mould group 204 and shows multiple, and each peristaltic pump
The liquid-feeding tube and fixation hole 2031 of 202 output end connection correspond.Peristaltic pump 202 and linear drives are controlled in control device
The setting of driving plate 206 of unit is fixed on the frame body of multiple peristaltic pumps 202.
The work process of liquid dispensing device 2 is as follows:
S21, it obtains and determines that the reagent bottle of amount soil is placed on reagent bottle rack 201, stepper motor 205 is by reagent bottle branch
Frame 201 moves in straight line mould group 204, until being located at needs below the corresponding liquid-feeding tube of digestion agent to be added;
S22, driving plate 206 control corresponding peristaltic pump 202 and work, and export the corresponding digestion agent of fixed amount to accordingly
In liquid-feeding tube;
S23, stepper motor 205 work on, until reagent bottle rack 201 removes the lower section of digestion agent pipe support 203.
3. oscillation device 3
Oscillation device 3 is water bath chader, includes multiple reagent bottle placing grooves 31 for placing reagent bottle in water bath chader,
The robot device 7 of the top setting of water bath chader takes out the reagent bottle on reagent bottle rack 201 one by one is placed into water-bath
In oscillator in each reagent bottle placing groove 31.
4.pH value detection device 4
PH value detection device 4 includes
Probe 401, for the pH value of liquid in detection reagent bottle, 401 output end of popping one's head in is connect with control device;
Bracket 402 is detected, for fixed probe 401;
Blender 403, for stirring the liquid in reagent bottle;
Probe purification mechanism 405, for cleaning and air-drying the probe 401 after pH value detects;
Probe driving mechanism, for driving the rotation of detection bracket 402 and moving up and down to make probe 401 in blender
Move back and forth in reagent bottle on 403 and in probe purification mechanism 405.
Specific connection and working method are as described below.
Probe 401 is suspended on one end of detection bracket 402, and the other end of detection bracket 402 is fixed on detection driving mechanism
On.Detection driving mechanism includes straight line cylinder 4041, is fixed on 4041 lower section of straight line cylinder and straight line cylinder 4041 is driven to rotate
Rotary cylinder 4042, the guide rod 4043 that is fixed on 4041 outer housing of straight line cylinder, one end of detection bracket 402 is vertically set
Set at the driving end of straight line cylinder 4041, and be provided on the end face at the end with the matched pilot unit of guide rod 4043, in detail
It carefully says, straight line cylinder 4041 passes perpendicularly through the driving end connection of the rotary cylinder 4042 of workbench and lower section, rotary cylinder
4042 fix support by the support frame 62 of 61 lower section of workbench.
Blender 403 is magnetic stirring apparatus 403 in this embodiment, passes through flange and placement above magnetic stirring apparatus 403
The third placing groove 406 of reagent bottle connects, and magnetic stirring apparatus 403 is fixed on workbench 61, in order to reduce on detection bracket 402
The distance of lower movement, third placing groove 406 are located on workbench 61, and magnetic stirring apparatus 403 is located at the lower section of workbench 61, containing stirring
The reagent bottle for mixing son and reagent solution is placed in third placing groove 406 by robot device 7.
Purification mechanism 405 of popping one's head in is fixed on the table, and probe purification mechanism 405 includes liner 4052 and outer gallbladder 4051,
Liner 4052 includes the gallbladder chamber 4054 that probe 401 can protrude into, and interlayer cavity 4053 is formed between liner 4052 and outer gallbladder 4051.Outer gallbladder
It is provided with the first air inlet 4055 and the first inlet 4056 on 4051, is respectively used to fixation and imports gas into interlayer cavity 4053
Pass through intake valve and air blower with the other end of the first air inlet pipe of cleaning solution and the one end of the first inlet tube, the first air inlet pipe
Connection, the other end of the first inlet tube connect (not shown) with the centrifugal pump for being fixed on 61 lower section of workbench.Liner 4052
On be provided with by interlayer cavity 4053 gas and cleaning solution spray to several pores 4057 of gallbladder chamber 4054, in detail,
About 4057 annular array of pore is distributed on the liner 4052 of circular cylindrical, and in this embodiment, cleaning solution is water.Liner
4052 lower section is connected with the drain pipe 4058 that water is excluded to gallbladder chamber 4054, and drain pipe 4058 passes through workbench 61 and is discharged to lower section
In sewage recycling bin.When probe 401 protrudes into the purification of gallbladder chamber 4054, start centrifugal pump water delivery into interlayer cavity 4053, due to water
Increasing, the pressure of interlayer cavity 4053 increases, so that internal water is sprayed from pore 4057, cleaning probe 401.Wait pop one's head in 401 clearly
After washing, the water in interlayer cavity 4053 is flowed out from hole of the liner 4052 on liner 4052 on the lower, opens intake valve, due to
The increase of gas, the pressure in interlayer cavity 4053 increases, so that internal gas is sprayed from pore 4057, air-dries probe 401.
The detection method of pH value detection device 4 is as follows:
S31, reagent bottle is placed into third placing groove 406, starting magnetic stirring apparatus 403 works, and stirs 1min minutes
After stand 30min;
S32, control device control rotary cylinder 4042 act, and so that probe 401 is located at the top of reagent bottle, control straight line gas
Cylinder 4041 acts, and stretches to probe 401 in reagent bottle, and 401 acquisition signal of probe is transferred in control device;
After S33, control device obtain the signal of pH value, control straight line cylinder 4041 is acted, and probe 401 is made to remove reagent
Bottle, then controlling rotary cylinder 4042 makes probe 401 be located at the top of probe purification mechanism 405, finally controls straight line cylinder
4041 extend into probe 401 in the gallbladder chamber 4054 in probe purification mechanism 405;
S34, control device control 405 pairs of purification mechanism probes 401 of probe are cleaned and are dried.
In detail, control device control probe purification mechanism 405 in centrifugation pump work, centrifugal pump by water from first into
It is input between liner 4052 and outer gallbladder 4051 and is formed in interlayer cavity 4053 in liquid pipe, then in water in the lasting hydraulic pressure for inputting water
It is ejected under effect from the pore 4057 on liner 4052, the water injection in a part of pore 4057 to probe 401 to be cleaned
On.After cleaning, control device control centrifugal pump stops working, and control air blower is started to work, and opens intake valve, gas
It continues into interlayer cavity 4053, accelerates internal water successively by the pore 4057 by 4052 lower end of liner, drain
Pipe 4058 excludes interlayer cavity 4053, and blows to probe 401 from pore 4057, thus dry probe 401.
After S35, cleaning-drying, control device control straight line cylinder 4041 makes probe 401 remove gallbladder chamber 4054, and controls
Position when rotary cylinder 4042 and straight line cylinder 4041 processed make probe 401 be restored to step S31.
5. liquid taking device 5
As shown in figs. 10-11, liquid taking device 5 includes
Filter mechanism 51, for filtering the mixture poured out from reagent bottle;
Tipping mechanism 52 is used for fixating reagent bottle, and by mobile and rotation reagent bottle, by the mixture in reagent bottle
Pour into the inlet of filter mechanism 51;
Jie Ye mechanism 53 connects liquid bottle for fixed and movement, connects liquid bottle for obtaining the filtered liquid of filter mechanism 51;
Filter paper mechanism 54 is put, for being put into new filter paper into filter mechanism 51;
Mechanism of paper 55 is scraped, for filter paper used in filter mechanism 51 to be scraped in filter mechanism 51.
Workbench 61 is provided with operation port 611, support frame between filter mechanism 51, tipping mechanism 52, Jie Ye mechanism 53
62 are used to support workbench 61, tipping mechanism 52, Jie Ye mechanism 53.
Said mechanism is described in detail respectively below.
Filter mechanism 51
As shown in figs. 10-11, filter mechanism 51 includes upper press cover 510, the intermediate filtered slot set gradually from top to bottom
511, filter net seat 512 further include the first driving for respectively corresponding driving upper press cover 510 and intermediate filtered slot 511 and moving up and down
Unit and the second driving unit, filter net seat 512 are horizontally fixed on workbench 61, below the filter screen in filter net seat 512
Workbench 61 on offer that filtered liquid passes through cross liquid mouth, when filtering, the filtering big with filter screen etc. on filter screen
Filter screen is completely covered in paper.First driving unit and the second driving unit include the first driving that 61 lower end surface of workbench is arranged in
Cylinder and the second driving cylinder, the first driving cylinder driving passes perpendicularly through workbench 61 and the other end is fixed on 510 side of upper press cover
First lifting pin 513 on side moves up and down;Second driving cylinder driving passes perpendicularly through workbench 61 and the other end is fixed on centre
Second lifting pin 514 of 511 side of lautertuns moves up and down.
Filter mechanism 51 further includes the first cleaning unit, and the first cleaning unit includes triple valve 515, is set on upper press cover 510
Be equipped with Butterworth Hatch, triple valve 515 is arranged on Butterworth Hatch, the other both ends of triple valve 515 respectively with the second inlet tube and second
Air inlet pipe connection, wherein the second inlet tube is used to clean the chamber that upper press cover 510, intermediate filtered slot 511, filter net seat 512 are formed
Body, the second air inlet pipe is applied not only to air-dry cavity, and is also used to during the filtration process pressurize to cavity, to accelerate
Filter.It is provided with wastewater collection bucket specifically, crossing immediately below liquid mouth, for collecting the waste water after cleaning chamber, prevents pollution ring
Border.Optimization, sealing ring, intermediate filtered slot 511 and mistake are provided on the side that upper press cover 510 is contacted with intermediate filtered slot 511
Sealing ring is also equipped on the side that filter screen seat 512 contacts.Liquid to be filtered splashes out chamber when can prevent using gas from pressurizeing
Body.
The course of work of filter mechanism 51 are as follows:
S511, the first driving cylinder driving upper press cover 510 are moved upwards after moving to setting height and are stopped working, and second drives
Cylinder of taking offence driving intermediate filtered slot 511 stops working after moving upward to setting height;
S512, it puts after filter paper mechanism 54 places filter paper in filter net seat 512, the second driving cylinder drives intermediate filtered
Slot 511 moves downward push down filter net seat 512 after stop working;
After liquid in reagent bottle is poured into intermediate filtered slot 511 by S513, tipping mechanism 52 completely, the first driving gas
Cylinder driving upper press cover 510, which moves downward, pushes down intermediate filtered slot 511;
S514, the ventilation of the second air inlet pipe, accelerated filtration;
After S15, filtering, first driving cylinder driving upper press cover 510 move upwards move to setting height after stop
Work, the second driving cylinder driving intermediate filtered slot 511 stop working after moving upward to setting height, scrape mechanism of paper 55 and scrape
Used filter paper in filter net seat 512;
S516, the second driving cylinder driving intermediate filtered slot 511 are moved downward after pushing down filter net seat 512 and are stopped working,
First driving cylinder driving upper press cover 510, which moves downward, compresses intermediate filtered slot 511;
S517, the second inlet tube lead to cleaning solution, and cleaning chamber, the second inlet tube stops logical cleaning solution after setting time, the
Two air inlet pipe, which are ventilated, air-dries cavity.
2, tipping mechanism 52
As shown in figs. 10-11, tipping mechanism 52 include place the first placing groove 521 of reagent bottle, cleaning reagent bottle the
Two cleaning units 524, be provided on the lateral surface of the first placing groove 521 make the first placing groove 521 be moved forward and backward and rotation the
Three driving units.First placing groove 521 includes three stations, and first station is positioned at the robot device 7 for placing reagent bottle
Underface.Second station is the upward gland 510 of reagent bottleneck in 51 side of filter mechanism and the first placing groove 521
Mixed liquor to be filtered is poured into the intermediate filtered slot 511 of lower section.Third station is by the reagent bottle in the first placing groove 521
It is directed at the second cleaning unit 524.
Due to reagent bottle as the first placing groove 521 rotates, to prevent reagent bottle from falling out of first placing groove 521, because
This is needed for reagent bottle to be fixed in the first placing groove 521, in the present embodiment, is equipped with top on 521 inner sidewall of the first placing groove
Cylinder 522 is risen, specifically, being the miniature external screw thread needle-like cylinder of SMC type, is put when reagent bottle is placed into first by robot device 7
After setting in slot 521, jacking cylinder 522 works the lateral wall for withstanding reagent bottle to which reagent bottle is fixed on the first placing groove 521
It is interior.
Third driving unit includes third driving cylinder, the 4th motor 523, fixed plate 525, and third drives the fixation of cylinder
End is fixed on support frame 62, and driving end is fixedly connected with 525 one end of fixed plate, and the third driving cylinder drives fixed plate
525 are moved forward and backward, and 525 other end of fixed plate stretches out and is fixed with from operation port 611 the 4th motor 523, sets in fixed plate 525
It is equipped with the hole that passes through of the 4th motor 523 driving end, the driving end end of the 4th motor 523 is fixed with the first placing groove 521, and the 4th
Motor 523 drives the first placing groove 521 to rotate relative to fixed plate 525 around the central axes at the driving end of the 4th motor 523.
Second cleaning unit 524 is fixed on the state on support frame 62 and to tilt upward, when reagent bottle needs to clean,
Reagent bottle rotates to set angle the port for being directed at the second cleaning unit 524, the waste reflux after cleaning to the second cleaning unit
In 524 waste liquid tank.In other embodiment, the second cleaning unit 524 is located at underface of the reagent bottle in the first station, this
When the first placing groove 521 3rd station relative to the first station be to be inverted the first placing groove 521.
The course of work of tipping mechanism 52 are as follows:
S521, third driving cylinder are started to work, and third drives cylinder to drive the first placing groove 521 to close to filter mechanism
51 direction movement, is moved to set distance, realizes the horizontal displacement before toppling over;
S522, third driving cylinder stop working, and the 4th motor 523 is started to work, driving the first placing groove 521 rotation,
Until set angle, realization are toppled over, the 4th motor 523 turns round the first placing groove 521 after setting time, that is, first after toppling over
Placing groove 521, which returns, just prevents the drippage when transporting of the Liquid Residue in reagent bottle;
S523, the 4th motor 523 stop working, and third drives cylinder to start to work, and the first placing groove 521 of driving returns to the
After one station, third driving cylinder stops working;
S524, starting the 4th motor 523 work start to start until the port of reagent bottle is directed at the second cleaning unit 524
Second cleaning unit 524 cleans reagent bottle.Optimization, the second cleaning unit 524 can also include air-dried component, so that
Reagent bottle is being drying regime after hours.
3, Jie Ye mechanism 53
As shown in figs. 10-11, Jie Ye mechanism 53 includes the 4th driving unit 532, the 5th driving unit, the second placing groove
531, the fixing end of the 4th driving unit 532 is fixed on the support frame 62 of 611 lower section of operation port, the 4th driving unit 532
Driving end is connect with the fixing end of the 5th driving unit, and the driving end of the 5th driving unit is fixedly connected with the second placing groove 531.
It is placed in second placing groove 531 and connects liquid bottle, moved in the 4th driving unit 532 driving 531 horizontal direction of the second placing groove, the 5th
Driving unit drives the second placing groove 531 to move in the vertical direction.In this embodiment, the 4th driving unit 532 and the 5th
Driving unit is cylinder.
The course of work of Jie Ye mechanism 53 are as follows:
S531, the 4th driving unit 532, which drive in the second placing groove 531, connects mistake in liquid bottle horizontal movement to workbench 61
The underface of liquid mouth moves to second station from the first station, obtains the filtered liquid of filter mechanism 51;
S532, it is to be filtered after, the driving of the 4th driving unit 532 connects at liquid bottle horizontal movement to operation port 611, and position
In the underface of robot device 7, the second placing groove 531 returns to the first station from second station, and the driving of the 5th driving unit connects
Liquid bottle moves upwardly through 611 level height of operation port more than workbench 61, and the second placing groove 531 moves to the from the first station
Three stations;
S533, robot device 7 connect liquid bottle into detection process from taking-up in the second placing groove 531, the 5th driving unit
The second placing groove 531 is driven to move back down to the first station.
4, filter paper mechanism 54 is put
As shown in figs. 10-11, the groove for placing filter paper is additionally provided on the workbench 61, putting filter paper mechanism 54 includes inhaling
The other end of disk 541, the cantilever lever 542 of one end fixing sucking disk 541, support rod 543,543 one end of support rod and cantilever lever 542 connects
It connects, the 6th driving unit 545 that 543 other end of support rod passes through workbench 61 and is fixed on 61 supported underneath frame 62 of workbench
Connection, the 6th driving unit 545 driving support rod 543 on cantilever lever 542 around the central axes of support rod 543 horizontally rotate and on
Lower movement.Cantilever lever 542 includes two stations when horizontally rotating, and a station is the surface for making sucker 541 be located at groove,
One station is the surface for making sucker 541 be located at filter net seat 512 in filter mechanism 51.The driving of 6th driving unit 545 is inhaled
Disk 541 moves up and down, thus the height after stacking the filter paper in the level height and groove of the sucker 541 on cantilever lever 542
Adaptation, while guaranteeing that sucker 541 is adapted to height of the filter net seat 512 on workbench 61, when sucker 541 is towards filter mechanism 51
When direction rotates, if insufficient height, sucker 541 will bump against the side of filter net seat 512, work as excessive height, can strike
Filter paper cannot be placed on filter screen by the side of intermediate filtered slot 511.When sucker 541 is rotated towards groove, if
Filter paper may then be released groove by insufficient height, if excessive height, the negative pressure that may cause sucker 541 cannot be sucked
Filter paper.
Putting filter paper mechanism 54 further includes sequentially connected compressor in gas circuit, vacuum generator, regulating valve 544, regulating valve
The other end of the gas piping of 544 gas output end connection is fixed on the downside of sucker 541, and compressor is occurred by vacuum
Device generates negative-pressure gas, then negative-pressure gas draws the filter paper of 541 lower section of sucker by 544 adjusting size of regulating valve.
The course of work for putting filter paper mechanism 54 is as follows:
S541, start compressor after regulating regulating valve 544, sucker 541 adsorbs a filter paper out of groove;
Stop after the level height of S542, the 6th driving unit 545 driving hinged cantilever bar 542 and adjusting cantilever lever 542
Work makes sucker 541 be located at 512 top of filter net seat;
S543, close compressor, the filter paper on sucker 541 are fallen in filter net seat 512;
S544, the 6th driving unit 545 of starting make an accurate selection of the first station that cantilever lever 542 returns to sucker 541;
S545, after circuiting sequentially aforementioned four step to predetermined number of times, when sucker 541 returns to the first station, the 6th driving
Unit 545 drives sucker 541 to move downward, adjust sucker 541 in groove at a distance from the filter paper of the top.
5, mechanism of paper 55 is scraped
As shown in figure 11, scraping mechanism of paper 55 includes scraper plate 551, and scraper plate 551 is fixed on the 7th driving unit, the 7th driving
Unit drives scraper plate 551 to move horizontally on the direction close to filter mechanism 51, and scraper plate 551 is driven to move up and down.
In detail, the 7th driving unit includes horizontal drive cylinder 552, vertical driving cylinder 553, driving fixed frame
554, vertical drive moves up and down on driving 552 vertical direction of horizontal drive cylinder of cylinder 553, the drive of horizontal drive cylinder 552
Moved end is fixedly connected with scraper plate 551, and horizontal drive cylinder 552 drives scraper plate 551 to move horizontally.Optimization, scraper plate 551 and filtering
Elastic material is set on the opposite bottom surface of reticulum 512, prevents scraper plate 551 from damaging 512 upper surface of filter net seat when scraping filter paper.
The course of work for scraping mechanism of paper 55 is as follows:
After S551, mechanism to be filtered 51 filter, upper press cover 510 and intermediate filtered slot 511 move upward to setting height
After degree, the 7th driving unit driving scraper plate 551 is moved upwards and is moved to going forward, and scraper plate 551 passes through intermediate filtered slot 511 and mistake
Between filter screen seat 512, scraper plate 551 move when in filter net seat 512 filter paper diameter;
S552, the 7th driving unit driving scraper plate 551 move downward, until scraper plate 551 is contacted with filter paper, the 7th driving
Unit drives the horizontal recycling of scraper plate 551, so that filter paper leaves filter net seat 512 and falls to waste paper recycling from operation port 611
In case.Then scraper plate 551 revert to original position.
Steps are as follows for the working method of the liquid taking device:
The driving of S51, filter mechanism 51 separate the intermediate filtered slot 511 of filter mechanism 51 and about 512 filter net seat,
It puts the realization of filter paper mechanism 54 and places filter paper in filter net seat 512, then the driving intermediate filtered slot 511 of filter mechanism 51 is pressed
The firmly filter paper in filter net seat 512;Jie Ye mechanism 53 drives the second placing groove 531 in Jie Ye mechanism 53 to be moved to filtering simultaneously
The lower section of mechanism 51;
Liquid in reagent bottle is poured into intermediate filtered slot 511 by S52, tipping mechanism 52 completely;
The the second air inlet pipe ventilation being arranged on S53,51 upper press cover 510 of filter mechanism, accelerated filtration;
After S54, filtering, the driving of filter mechanism 51 makes the intermediate filtered slot 511 and filter net seat of filter mechanism 51
About 512 separation, scrape mechanism of paper 55 and scrape used filter paper in filter net seat 512;
S55, filter mechanism 51 reset to initial position, and the second inlet tube being arranged on 51 upper press cover 510 of filter mechanism is logical
Cleaning solution cleans the cavity between upper press cover 510 and filter net seat 512, and the second inlet tube stops logical cleaning solution after setting time,
Second air inlet pipe, which is ventilated, air-dries cavity.
While step S4 or S5, Jie Ye mechanism 53 drives the second placing groove 531 in Jie Ye mechanism 53 to be moved out to and sets
Positioning is set.
7. robot device 7
As shown in figure 12, robot device 7 includes orthogonal X-axis guide rail 71, Y-axis guide rail 72, Z axis guide rail 73, machine
Machinery claw 74, X-axis servo drive motor 75, Y-axis servo drive motor 76, Z axis servo drive motor 77.Gripper 74 is watched in Z axis
It takes and moves back and forth under the action of driving motor 77 in Z axis guide rail 73 and towards workbench 61, Z axis guide rail 73 is driven in Y-axis servo
Move back and forth in Y-axis guide rail 72 under the action of dynamic motor 76, Y-axis guide rail 72 is under the action of X-axis servo drive motor 75 in X
Move back and forth on axis rail 71, to realize that gripper 74 is any mobile in three-dimensional space.The model SMC type of gripper 74
Pneumatic three-jaw cylinder, i.e. gripper 74 inherently directly may be implemented crawl reagent bottle and connect liquid bottle.
On the table, it is additionally provided with reagent bottle rest area 8 and connects liquid bottle rest area 9.Empty reagent bottle is for loading material
The soil sample and connect the leaching liquor discharged in liquid dispensing device that device discharges.Connect liquid bottle rest area for store to be connected to whole system final
Filtered solution connect liquid bottle.
The working method of the system is as follows:
S1, prepare multiple clean and dried empty reagent bottle and be placed into reagent bottle rest area 8;
S2, soil to be detected is added into blanking device, control device controls robot device 7 from reagent bottle rest area
8 take out the reagent bottle for successively taking out multiple clean and dried sky, are sequentially placed on weighing device, make the port of reagent bottle
It is directed at the discharging end of blanking device, then control device controls blanking device lower soil for determining amount in reagent bottle;
Reagent bottle equipped with quantitative soil is moved on liquid dispensing device 2 by S3, control device control robot device 7, so
Reagent bottle is moved to behind determining position the adaptation liquid that the determination of the amount of determination is added by control liquid dispensing device 2 afterwards;
One reagent bottle is moved at pH value detection device 4 detect and obtain by S4, control device control robot device 7
PH value is obtained, reagent bottle in addition, which is placed into oscillation device 3, vibrates certain time;
Reagent bottle on oscillation device 3 is successively moved on liquid taking device by S5, control device control robot device 7,
And control liquid taking device work, it controls filtered solution entrance in each reagent bottle and connects in liquid bottle accordingly, and will successively connect
Liquid bottle, which is placed into, connects the determining position in liquid bottle rest area 9.
The system realizes that soil extracts pretreatment system automatically, while including taking liquid and pH value to detect two systems process.
The system of pH value detection and the system for taking liquid can also be implemented separately.
For the system of pH value detection, including blanking device, liquid dispensing device 2, pH value detection device 4, robot device 7.
Use the method for the system are as follows:
S1, control transposition control blanking device add soil in the reagent bottle on weighing device, until on weighing device
Show that amount of soil reaches the amount of determination, control device controls blanking device and stops blanking;
The reagent bottle containing soil on weighing device is placed into and fills with liquid by S2, control device control robot device 7
It sets on 2, then controls liquid dispensing device 2 and add the quantitative digestion agent for adapting to type into reagent bottle.
The reagent bottle that digestion agent has been added on liquid dispensing device 2 is moved to pH value by S3, control device control robot device 7
On the blender of detection device 4, and stirring is added in either step into reagent bottle in step S1, step S2, step S3
Son, control device control blender work, and stirring stood 30min after 1min minutes;
Probe 401 in S4, control device control pH value detection device 4 is moved in reagent bottle, and control device is visited
The signal of first 401 signal end, and show pH;
Probe in S5, control device control pH value detection device 4 cleans in probe purification mechanism 405 and air-dried pH value
Probe 401 after detection.
2. the system for taking liquid includes blanking device, liquid dispensing device 2, oscillation device 3, liquid taking device 5, robot device
7。
Use the method for the system are as follows:
S1, control transposition control blanking device add soil in the reagent bottle on weighing device, until on weighing device
Show that amount of soil reaches the amount of determination, control device controls blanking device and stops blanking;
The reagent bottle containing soil on weighing device is placed into and fills with liquid by S2, control device control robot device 7
It sets on 2, then controls liquid dispensing device 2 and add the quantitative digestion agent for adapting to type into reagent bottle;
The reagent bottle that digestion agent has been added on liquid dispensing device 2 is moved to oscillation by S3, control device control robot device 7
Certain time is stood after the vibration settings time on device 3;
S4, control device control control robot device 7 will have been vibrated on oscillation device 3 after reagent bottle movement take liquid to fill
It sets on 5 tipping mechanism 52, and controls and put filter paper mechanism 54 and add new filter paper into filter mechanism 51, control device is also controlled
Robot device 7 processed will connect liquid bottle and be placed into Jie Ye mechanism 53, and control connects the underface that liquid bottle moves to filter mechanism 51;
S5, control device control tipping mechanism 52 will be in the liquid pourings in reagent bottle to filter mechanism 51;
S6, control device control tipping mechanism 52 and 53 return of Jie Ye mechanism, scraping mechanism of paper 55 will use in filter mechanism 51
The filter paper crossed scrapes off filter mechanism 51, and control robot device 7, which will connect liquid bottle and be placed into, to be connect in liquid bottle rest area.
Each driving unit in the present invention, the category that corresponding component horizontal movement, vertical motion, rotation are driven in control device
In the prior art, and the corresponding motor started in respective drive unit works in specific time, is related to circuit part,
Belong to and does not do specific description in the prior art, then the embodiment.And it is based in the prior art that master of the present invention is to be protected
Circuit part is to realize the mechanical structure extracted automatically.
The above is only the preferred embodiments of the invention, are not intended to limit the invention creation, all in the present invention
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the invention within the spirit and principle of creation
Within the scope of shield.