CN209690333U - A kind of automatic processing device for soil organism pre-treatment link - Google Patents

Abstract

The utility model relates to a kind of automatic processing devices for soil organism pre-treatment link, solve soil organism pre-treatment link compared with prior art and all rely on manually-operated defect.The utility model includes vertical rail mould group, the lossless transfer assembly of sample, container clip claw assembly and graphite digestion device, it is equipped with anyhow in vertical rail mould group to slider module, the container clip claw assembly is mounted on anyhow in slider module, and the lossless transfer assembly of the sample and graphite digestion device are respectively positioned on anyhow on the motion profile of slider module.The soil organism pretreatment process of traditional artificial operation is changed into automatic operation by the utility model, realizes the automatic processing of soil organism pre-treatment link.

Description

A kind of automatic processing device for soil organism pre-treatment link

Technical field

The utility model relates to soil analysis equipment technical fields, specifically a kind of to be used for soil organism pre-treatment The automatic processing device of link.

Background technique

Field soil organic matter, which absorbs nutrient to improvement soil physico-chemical property, promotion crop, to play a significant role, because The measurement of the soil organism has been included in one of the important indicator of fertilization compositions based on earth measurement by this China.The wide soil class of China's area of field Type is more, thus pedotheque type to be checked with it is large number of, task weight, be pressed for time.In recent years, the new soil based on spectrum had The self-operated measuring unit of machine matter is also rapidly developed, for on-site test in situ.However, the spectroscopic methodology detection soil organism needs Accurately to calculate the content of organic matter by algorithm, while pedotheque is excessively complicated, disturbing factor is more, spectroscopic methodology current technology It is also difficult to obtain reliable data.In national standard, fertilization compositions based on earth measurement still uses chemical method to detect the soil organism, it is ensured that Accurate reliable data are obtained to instruct to apply fertilizer, therefore, the work of soil organism detection at present is all made of manual operation execution.

Soil organism pre-treatment link is particularly important to soil organism detection, must be cleared up including soil sample, Lossless transfer (detects) processing links for substance total amount, that is, requires to boil under 185 DEG C of high temperature using potassium bichromate sulfuric acid solution The organic matter boiled in soil that disappears for 5 minutes is risen, it is then lossless while hot to be transferred in detection cup.In practical application, a large amount of soil-like The operation of this organic matter pre-treatment link brings single heavy and repetitive work to researcher, time-consuming and fritter away energy. Meanwhile greatly for soil pre-treatment solvent, there are smell sharp aroma and toxicity, researcher is in manual operation mistake Slightly misoperation in journey will generate human body harm.

Therefore, how to design be able to carry out soil organism pre-treatment automation equipment have become it is urgently to be solved Technical problem.

Utility model content

Purpose of the utility model is to solve soil organism pre-treatment links in the prior art to all rely on artificial behaviour The defect of work provides a kind of automatic processing device for soil organism pre-treatment link to solve the above problems.

To achieve the goals above, the technical solution of the utility model is as follows:

A kind of automatic processing device for soil organism pre-treatment link, including vertical rail mould group, lossless turn of sample Component, container clip claw assembly and graphite digestion device are moved, is equipped with anyhow in vertical rail mould group to slider module, the container clamping jaw Component is mounted on anyhow in slider module, and the lossless transfer assembly of the sample and graphite digestion device are respectively positioned on anyhow to sliding block On the motion profile of mould group,

The container clip claw assembly includes electronic clamping jaw, and electronic clamping jaw is two to refer to translational types, in the gripping finger of electronic clamping jaw It is separately installed with left fixture block and right fixture block, left fixture block is identical with right fixture block structure and corresponding in mirror image；

The clamping face of right fixture block is equipped with clamping part and middle clamping part from top to bottom and upper clamping part and middle clamping part will be right The clamping face of fixture block is divided into upper cavity, lower chamber and lower clamping part from top to bottom, and the volume of upper cavity is greater than lower chamber, epicoele Body, lower chamber are semi-cylindrical structure and are independent cavity body structure, are equipped with and are located on upper clamping part and middle clamping part The arc notch of clamping face, lower clamping part are semicircular structure, and the inner wall of lower clamping part is slope structure and line of slope direction The longitudinal centre line of electronic clamping jaw.

The height of the upper cavity and lower chamber is 20mm, and the height of lower clamping part is 10mm, and upper clamping part is in The thickness of clamping part is 15mm, and the arc notch is equipped with longitudinal section；The material of the left fixture block and right fixture block It is polytetrafluoroethylene (PTFE).

It further include container storage assembly for storing, the container storage assembly for storing is located at anyhow on the motion profile of slider module, The container storage assembly for storing includes six hole location titration cup cases, six hole location funnel cases and six hole location test tube storage racks.

Further include perception camera, the perception camera be mounted on the upper surface of graphite digestion device and towards anyhow to The motion profile of slider module.

The lossless transfer assembly of the sample includes titration cup, head cartridge, test tube mounting base, reagent hydrojet component and spray Head moving parts, the rear end of the spray head moving parts are mounted on head cartridge, and the front end of spray head moving parts is equipped with spray Head frame, spray head regulation pipe are fixedly mounted on spray head fixed frame, and the front end of spray head regulation pipe is equipped with sparge pipe, reagent spray The liquid pushing tube of liquid component is mounted on the rear end of spray head regulation pipe；Test tube is installed in the test tube mounting base and topples over component, is tried Pipe, which is toppled over, is equipped with test tube rotary components in component, test tube is inserted in test tube rotary components；When test tube topples over component movement to inclining When state and spray head moving parts move to maximum load journey, sparge pipe is located in test tube and the test tube mouth of test tube is located at titration Cup top.

The sparge pipe front end is equipped with spray head, and the internal diameter of spray head is less than the internal diameter of liquid pushing tube, when sparge pipe is located at examination When in pipe, the extended line of the spray head intersects with the bottom arc body of test tube；In the extended line of the spray head and the longitudinal direction of test tube Angle between heart line is 2 ° -4 °.

The spray head moving parts include the air cylinder support mounting base being mounted on head cartridge, air cylinder support mounting base On straight line cylinder is installed, be fixedly installed with guide rail in air cylinder support mounting base, spray head fixed frame be mounted on guide rail and with lead Rail composition is slidably matched, and spray head fixed frame is fixedly mounted on the cylinder motion bar of straight line cylinder.

The reagent hydrojet component includes fluid filling pump, and the inlet tube of the fluid filling pump is connected to reagent barrel, fluid filling pump Outlet tube is mounted on the inlet of pressure valve, and the liquid pushing tube is mounted on the liquid outlet of pressure valve.

It includes the rotary cylinder being mounted in test tube mounting base that the test tube, which topples over component, on the output shaft of rotary cylinder It is fixedly installed with test tube swivel mount；The test tube rotary components include rotary barrel and rotating electric machine, and rotary barrel is mounted on It is rotatably assorted in test tube swivel mount and with test tube swivel mount composition, rotating electric machine is mounted on the outside of test tube swivel mount, rotating electric machine Output shaft pass through test tube swivel mount and be fixedly mounted on rotary barrel, flexible test tube is fixedly mounted in rotary barrel and fixes Circle.

Beneficial effect

A kind of automatic processing device for soil organism pre-treatment link of the utility model, with prior art phase Than the soil organism pretreatment process of traditional artificial operation is changed into automatic operation, soil organism pre-treatment is realized The automatic processing of link.

The utility model passes through the design of container clip claw assembly, realizes involved in soil organism pre-treatment link Effective gripper of test tube (with small funnel), triangular flask and titration cup；Solidliquid mixture is realized by the lossless transfer assembly of sample The lossless transfer of automation, while the inner wall of former container (test tube) is without any residual substance to be checked, contactless liquid feeding mode Cross contamination is avoided, the job requirements of substance total amount detection have been reached；By anyhow to slider module, container clip claw assembly and sample The matching design of this lossless transfer assembly meets the hardness of sample resolution, the lossless transfer of soil organism pre-treatment link It is required that realizing the few organic matter pretreatment process of soil sample high degree of automation, artificial participation, national standard experiment is reached The related request of method.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of container clip claw assembly in the utility model；

Fig. 3 is the structural schematic diagram of right fixture block in the utility model；

Fig. 4 a is the structural perspective that container clip claw assembly clamps small funnel in the utility model；

Fig. 4 b is the structural perspective that container clip claw assembly clamps test tube in the utility model；

Fig. 4 c is the structural perspective that container clip claw assembly clamps triangular flask in the utility model；

Fig. 4 d is the structural perspective that container clip claw assembly clamps titration cup in the utility model；

Fig. 5 is the structural schematic diagram of the lossless transfer assembly of sample in the utility model；

Fig. 6 is the use state diagram of the lossless transfer assembly of sample in the utility model；

Fig. 7 is the structural schematic diagram of test tube rotary components in the utility model；

The eject position schematic diagram of spray liquid flow when Fig. 8 is spray head work in the utility model；

Wherein, the vertical rail mould group of 1- container clip claw assembly, the lossless transfer assembly of 2- sample, 3-, 4- graphite digestion device, 5- are vertical and horizontal Camera, six hole location titration cup case of 10-, the electronic clamping jaw of 11-, 12- are perceived to slider module, 6- container storage assembly for storing, 7- Clamping part, 17- arc notch, six hole location funnel of 18- are deposited under the right fixture block of left fixture block, 13-, 14- upper cavity, 15- lower chamber, 16- Put box, six hole location test tube storage rack of 19-, the longitudinal direction 20- section, 21- titration cup, 22- head cartridge, 23- test tube mounting base, 24- Spray head fixed frame, 25- spray head regulation pipe, 26- sparge pipe, 27- liquid pushing tube, 28- test tube, 29- spray head, 30- flexibility test tube are fixed Circle, 31- air cylinder support mounting base, 32- straight line cylinder, 33- guide rail, 34- fluid filling pump, 35- reagent barrel, 36- pressure valve, 37- rotation Rotaring cylinder, 38- test tube swivel mount, 39- rotary barrel, 40- rotating electric machine, the small funnel of 41-, 42- triangular flask, the upper clamping part of 43-, Clamping part in 44-.

Specific embodiment

To make the structure feature to the utility model and the effect of being reached has a better understanding and awareness, to compared with Good examples and drawings cooperate detailed description, are described as follows:

It is required in national standard and chemical operation specification, soil organism pre-treatment link must include the behaviour of two big steps Make, i.e., first carry out soil organism pre-treatment link sample clear up (reaching fluidized state), then carry out it is lossless transfer (temperature is not The contactless liquid feeding transfer of noresidue is carried out in the case of recession).

Specification is required based on this, as shown in Figure 1, described in the utility model a kind of for soil organism pre-treatment link Automatic processing device, including vertical rail mould group 3, the lossless transfer assembly 2 of sample, container clip claw assembly 1 and graphite digestion device 4, Graphite digestion device 4 can design for six hole locations, be cylindrical bore sunk structure, and hole depth is lower than test tube height, is higher than examination Solution height in managing.The oil of 5mm thickness being added in recessed hole, when to be inserted into test tube heating, it is ensured that test tube comes into full contact with oil, So that test tube homogeneous heating.One piece of stainless steel plate can also be placed among the top surface of graphite digestion furnace, and 6 hole locations are divided into two Row, every each three test tubes of row glitch-free can shoot to perceive camera 7.It is equipped with anyhow in vertical rail mould group 3 to sliding block Mould group 5, container clip claw assembly 1 are mounted on anyhow in slider module 5, anyhow to slider module 5 for driving container set of jaws Part 1 carries out lateral longitudinal movement.Anyhow existing synchronous belt mould group, such as CCMW45-15 can be used to slider module 5.Anyhow To slider module 5 by step motor control, displacement is can be controlled within ± 0.01mm.It is moved by control software according to crawl Distance, acceleration time, setting at the uniform velocity section at the uniform velocity time is arranged in fixed acceleration, and deceleration time is arranged in fixed deceleration, into And system controls the revolving speed of motor, so that whole section of mobile acceleration, speed, deceleration complete trapezoidal speed rule It draws, so that the speed of starting, operation and stopped process is optimised, moves container bottle in the shortest possible time and prevent from grabbing Liquid caused by emergency stop is suddenly opened when extracting container bottle to spill.

The lossless transfer assembly 2 of sample and graphite digestion device 4 are respectively positioned on anyhow to the motion profile of slider module 5 (movement model Enclose) on, by driving container clip claw assembly 1 to clear up in the lossless transfer assembly 2 of sample and graphite to the movement of slider module 5 anyhow Mobile gripper between device 4.

With the continuous development of artificial intelligence and image processing techniques, the thinking determined automatically for solving boiling is bonding machine Device vision technique.Machine vision is exactly to replace the eyes of people with machine to measure and judge, is turned target by image device It changes picture signal into, sends image processing system to, according to the color of pixels, the image informations such as brightness, be transformed into digitlization letter Number.Dedicated picture system carries out various operations to these signals to extract clarification of objective, and then according to the target of extraction spy Sign reads the characteristic index boiled in image.

In order to based on deep learning image recognition help machine determine automatically test tube in place and test tube internal solvent boiling, In This can also include perception camera 7, and perception camera 7 is mounted on the upper surface of graphite digestion device 4 and towards anyhow to sliding block The motion profile of mould group 5.Perceiving camera 7 can be wide-angle camera, and two perception cameras 7 can be set, fix respectively In the two sides of the stainless steel shoe in 4 upper surface of graphite digestion device, three test tubes of a row are shot respectively, and camera shooting grease head highness is located at small funnel Bottom position, to determine in test tube that reagent boils, camera shoots a picture every some time.Utilize the prior art In image analysis module the image after acquisition is handled, including image preprocessing, image characteristics extraction and image recognition. Preprocessing process includes denoising, enhancing.Image recognition is divided into two parts, includes determining whether test tube arrives graphite furnace test tube bottoming hole Position, and invisible spectro pixel is determined, if meet boil feature.

First, it is determined that whether test tube arrives graphite furnace test tube heating hole location.

1) test tube is one kind in the image tagged of graphite furnace test tube heating hole location, and test tube does not heat hole location in graphite furnace test tube Image tagged be it is another kind of, acquisition test tube graphite furnace test tube heating hole location image and test tube not graphite furnace test tube heat The image of hole location each 200, regard training image using 90% image, 10% image regards test image.

2) characteristic for extracting all sample images, such as HOG feature, LBP feature, Harr feature etc., by training sample Characteristic be respectively fed to SVM classifier training identification model while select excellent feature, by the correspondence of test image Characteristic be sent into trained classifier and judge whether test tube in graphite furnace test tube heats hole location, test image is identified As a result carry out the quality of decision model training.

3) by camera obtain image, extract image advantageous feature data input identification model judge test tube whether Graphite furnace test tube heats hole location.

Secondly, determine whether invisible spectro water boils.

When the boiling of test tube internal solvent, obvious big liquid pearl phenomenon is had above funnel.

1) there is the image tagged of obvious liquid pearl for one kind above funnel, do not there is the image tagged of obvious liquid pearl to be above funnel Another kind of, acquiring above the image and funnel that have obvious liquid pearl above funnel does not have the image of obvious liquid pearl each 200, uses 90% image regards training image, and 10% image regards test image.

2) characteristic of training sample is sent into SVM classifier training by the HOG characteristic for extracting all sample images Excellent feature is selected while identification model, and the advantageous feature data of test image are sent into trained classifier judgement leakage Whether bucket has obvious liquid pearl above, and further to judge whether test tube internal solvent boils, the result of test image identification is sentenced Determine the quality of model training.

3) by camera obtain image, extract image advantageous feature data input identification model judge it is invisible spectro molten Whether agent boils.

It handles in link, is needed using (triangular flask 42 is institute after pre-treatment link to triangular flask 42 before the soil organism The tankage needed), 28 3 kinds of containers of titration cup 21 and test tube and small funnel 41.In order to facilitate the pick-and-place of these types of container, And cooperate the unified gripper operation of container clip claw assembly 1, container storage assembly for storing 6 is set to the movement to slider module 5 anyhow On track, container storage assembly for storing 6 includes that six hole location titration cup cases 10, six hole location funnel cases 18 and six hole location test tubes are deposited Put frame 19.

As shown in Fig. 2, container clip claw assembly 1 includes electronic clamping jaw 11, electronic clamping jaw 11 is existing formed product, using two Refer to translational type.Left fixture block 12 and right fixture block 13,13 knot of left fixture block 12 and right fixture block are separately installed in the gripping finger of electronic clamping jaw 11 Structure is identical and corresponding in mirror image, and the two, which is combined together, carries out gripper operation.The material of left fixture block 12 and right fixture block 13 is poly- Tetrafluoroethene (PTFE) material, can be with high temperature-resistant acid-resistant alkali.

As shown in figure 3, right fixture block 13 is equipped with upper cavity 14, lower chamber 15 and lower clamping part 16 from top to bottom, three is on the right side In step-like on fixture block 13.The clamping face of i.e. right fixture block 13 is equipped with clamping part (block) 43 and middle clamping part (block) from top to bottom 44, and by upper clamping part 43 and middle clamping part 44 by the clamping face of right fixture block 13 be divided into from top to bottom upper cavity 14, under Cavity 15 and lower clamping part 16.Upper cavity 14 and lower chamber 15 are indent design, for triangular flask 42, with small funnel 41 The clamping of test tube 28, wherein lower chamber 15 is used to cooperate the clamping of triangular flask 42, upper cavity 14 for the small funnel 41 of mating band The clamping of test tube 28.

Upper cavity 14, lower chamber 15 are semi-cylindrical structure, meanwhile, it is equipped in the bottom of upper cavity 14 and lower chamber 15 Positioned at the arc notch 17 of clamping face (towards electronic 11 longitudinal centre line of clamping jaw), arc notch 17 is contact when clamping bottle body Face is clipped on the outer wall of bottle body by the combination of two (left fixture block 12 and right fixture block 13) arc notch 17.

The cooperation of two (left fixture block 12 and right fixture block 13) upper cavities 14 or two lower chambers 15 is to avoid container bottle Mouthful crimping and be arranged, thus can vertical and even running when guaranteeing holding vessels.Make in this way when left fixture block 12 and right folder 13 clamping of block together when, indent is formed using two upper cavities 14 or lower chamber 15, on left fixture block 12 and right fixture block 13 The annular that two lower chambers 15 are combined into is to cooperate the cricoid spatial redundancy of 42 bottleneck of triangular flask, two upper cavities 14 to be combined into Annular is to cooperate the spatial redundancy of small funnel 41 or 28 bottleneck of test tube with small funnel 41；The two (left 12 He of fixture block is utilized simultaneously Right fixture block 1) arc notch 17 with cooperate clamping triangular flask 42,28 bottle wall of test tube arcuate structure.

As illustrated in fig. 4 c, the cricoid clamping of 42 bottleneck of triangular flask is realized with this.In the same way, the volume of upper cavity 14 is greater than The upper cavity 14 of both lower chamber 15, left fixture block 12 and right fixture block 13 is combined, with the test tube 28 of the small funnel 41 of mating band Spatial redundancy；Arc notch 17 cooperates the arc outer wall of test tube 28 to realize with this to small funnel 41 as shown in Fig. 4 a, Fig. 4 b Or the clamping of the test tube 28 with small funnel 41.

Lower clamping part 16 is semicircular structure, is used for the clamping of titration cup 21.Since titration cup 21 is taper, upper part Without the annular design on similar 42 top of triangular flask, this also causes the rim of a cup of titration cup 21 to be easy to come out damage.In order to cooperate drop The clamping for determining cup 21 prevents titration cup 21 is clamped from gnawing bad, inner wall of lower clamping part 16 is designed as slope structure and slope at this Face direction forms a bevel structure, as shown in figure 4d, so as to form to titration towards the longitudinal centre line of electronic clamping jaw 11 The clamping cooperation of 21 tapers of cup.

The height of upper cavity 14 and lower chamber 15 is preferably set as 20mm, the height of lower clamping part 16 is set as 10mm, The thickness of upper clamping part 43 and middle clamping part 44 is set as 15mm, with this better matching titration cup 21, small funnel 41, with small leakage The clamping of the test tube 28 and triangular flask 42 of bucket 41.

When in use due to above-mentioned test tube 28, triangular flask 42, the inside dress is potassium bichromate sulfuric acid solution, has one to human body Fixed invasive.Meanwhile finding in practical applications, test tube 28, triangular flask 42 are in blowing bottle manufacturing process, the circle of outer ring There are certain errors for structure, that is, ellipse or slightly flaw are similar to, after this results in left fixture block 12 and right fixture block 13 to be clamped When release, it is easy to appear the situation that bottle body is stuck on left fixture block 12 or right fixture block 13 and is easy to cause bottle if active force is excessive again Body is dropped.In order to avoid this technical problem, spy can be arranged one on the arc notch 17 of upper cavity 14 and lower chamber 15 Introducing port, as shown in figure 3, being equipped with longitudinal section 20 on arc notch 17, longitudinal section 20 can be two and be distributed in The both ends of arc notch 17 cause arc notch 17 in this way and are non-fully fitted in the outer wall of test tube 28 or triangular flask 42, but There are certain longitudinal sections 20 to be formed by redundancy, is stuck on arc notch 17 to avoid bottle body.

It is the technology contents that first link sample resolution is involved in soil organism pre-treatment link above, as Second lossless transfer of link in soil organism pre-treatment link is undertaken by the lossless transfer assembly 2 of sample.

As shown in Figure 5 and Figure 6, the lossless transfer assembly 2 of sample includes titration cup 21, head cartridge 22, test tube mounting base 23 With reagent hydrojet component.Test tube topples over component for obliquely, flowing out to the opening of test tube 28 convenient for internal solidliquid mixture In the titration cup 21 of lower section.For providing the reagent of complete transition phase liquid feeding, spray head moving parts are used for reagent hydrojet component Control spray head 29 protrudes into test tube 28 or removes test tube 28, and test tube rotary components are for rotating test tube 28.It is mixed in solid-liquid It closes in object transfer process, is not simply to topple over (transfer), also with the control etc. of fixed precipitating and liquid feeding total amount Work flow, it is therefore desirable to which test tube topples over component, test tube rotary components, reagent hydrojet component and the multiple components of spray head moving parts Cooperating together.

In the prior art, it is shifted using traditional manual type, it need to be by ceaselessly being shaken after liquid feeding when being precipitated for solid Shake when test tube or test tube are inverted ceaselessly Spin tubes, it is not easy to shift precipitating or the residual of wall built-up all, while most Whole liquid feeding total amount is unable to control.Therefore, the utility model is matched test tube rotary components and reagent hydrojet component etc. are multipart Lower work is closed, these processes can be achieved at the same time.

For contactless liquid feeding, using reagent hydrojet component and spray head moving parts cooperating, spray head moving parts Rear end be mounted on head cartridge 22, head cartridge 22 needs to carry out position installation according to plummer in practical applications, As shown in figure 1, head cartridge 22 may be mounted at the bottom of six hole location test tube storage racks 19, for another example in Fig. 5, Fig. 6, head cartridge 22 It may be mounted on apparatus platform.

The front end of spray head moving parts is equipped with spray head fixed frame 24, and the front ends of spray head moving parts is towards 28 side of test tube To.Spray head regulation pipe 25 is installed, the front end of spray head regulation pipe 25 is equipped with sparge pipe 26, reagent hydrojet on spray head fixed frame 24 The liquid pushing tube 27 of component is mounted on the rear end of spray head regulation pipe 25.

Spray head 29 is installed in the front end of sparge pipe 26, spray head 29 can extend into 28 mouthfuls of test tube.As shown in figure 8, A in Fig. 8 Point is the liquid stream eject position of spray head 29, i.e. the extended line of spray head 29 is in contact with bottom the upper arc body of test tube 28, best It can be bottom the upper arc body of test tube 28.Because the spray liquid flow of spray head 29 can be made to be injected in 28 bottom of test tube in this way Circular arc upper end (A point position in Fig. 8), i.e., spray head 29 does not imply that the bottom centre to test tube 28, using liquid stream kinetic energy and Liquid stream gravity rinses test tube bottom, flows out so that the part of precipitating be made to form solidliquid mixture along test tube wall, reaches and turn The purpose of shifting.By spray head 29 be directed toward be arranged this position, then when matching purge test tube 28 rotation, so that it may shift in test tube 28 Precipitating and wall built-up residual.Wherein preferably can by the extended line (i.e. the spray liquid flow eject position of spray head 29) of spray head 29 be arranged with Angle between the longitudinal centre line of test tube 28 is 2 ° -4 °, and effect is best in this angular range.

Test tube is installed in test tube mounting base 23 and topples over component, test tube, which is toppled over, is equipped with test tube rotary components in component, examination Pipe 28 is inserted in test tube rotary components.It includes the rotary cylinder 37 being mounted in test tube mounting base 23 that test tube, which topples over component, rotation Test tube swivel mount 38 is fixedly installed on the output shaft of cylinder 37, rotary cylinder 37 is able to drive the inclination of test tube swivel mount 38, i.e., Realize the inclination of test tube 28.

As shown in fig. 7, test tube rotary components include rotary barrel 39 and rotating electric machine 40, rotary barrel 39 is mounted on test tube It is rotatably assorted in swivel mount 38 and with the composition of test tube swivel mount 38, rotary barrel 39 can pass through various ways in the prior art It is mounted on test tube swivel mount 38 and rotates, such as pin connection, flange.Rotating electric machine 40 is mounted on 38 outside of test tube swivel mount, rotation The output shaft of rotating motor 40 passes through test tube swivel mount 38 (installing by traditional bearing) and is fixedly mounted on rotary barrel 39, passes through Rotating electric machine 40 drives the rotation of rotary barrel 39, to cooperate the transfer action in test tube 28.It is fixedly mounted in rotary barrel 39 Flexible test tube retainer plate 30, flexible test tube retainer plate 30 can be rubber ring or silica gel ring, and test tube 28 and rotation may be implemented Drum body part realized and do not slid when test tube 28 tilts there are frictional force, and when rotation can drive test tube to rotate together.

As shown in fig. 6, working as, test tube topples over component movement to tilt state and spray head moving parts move to maximum load journey When, sparge pipe 26 is located in test tube 28 and the test tube mouth of test tube 28 is located at 21 top of titration cup, realizes solid-liquid mixing in test tube 28 Object is poured out.

Spray head moving parts include air cylinder support mounting base 31, and straight line cylinder 32 is equipped in air cylinder support mounting base 31, Guide rail 33 is fixedly installed in air cylinder support mounting base 31, spray head fixed frame 24 is mounted on guide rail 33 and constitutes with guide rail 33 and slides Dynamic cooperation, sliding matching mode can be sliding pair connection type.Spray head regulation pipe 25 is mounted on spray head fixed frame 24, spray Head frame 24 is fixedly mounted on the piston rod of straight line cylinder 32, is controlled its extension by straight line cylinder 32 and is entered in test tube 28 Or retraction exits test tube 28.

Reagent hydrojet component includes fluid filling pump 34, and the inlet tube of fluid filling pump 34 is mounted in reagent barrel 35, fluid filling pump 34 Outlet tube is mounted on the inlet of pressure valve 36, and liquid pushing tube 27 is mounted on the liquid outlet of pressure valve 36, passes through fluid filling pump 34 Liquid source pressure is provided with pressure valve 36 for washing and cleaning operation.

Go out the problems such as route is fixed for liquid feeding capacity limit and liquid flow, using fluid filling pump 34, pressure valve 36 and spray head 29 control the hydraulic of liquid feedings, while cooperating rotation angle, the rotation speed and titration of rotating electric machine 40 using rotary cylinder 37 The position control liquid flow of cup 21 goes out route.Pressure valve 36 ensures hydraulic uniform and stable, and the internal diameter of spray head 29 should be less than liquid pushing tube 27 internal diameter realizes liquid manifold injection, and further promotes blowing force.By the rotation angle and rotation that control rotary cylinder 37 The rotation speed of motor 40, so that trickle is fixed uniform camber line without splash, camber line drop point is the position of titration cup 21. It can ensure that the liquid measure of each liquid feeding transfer supply in a stabilization by the flow velocity and time that control peristaltic pump (fluid filling pump 34) In controllable range, and error is low, to ensure liquid feeding capacity without departing from the limit.

Here, a kind of control method of automatic processing device for soil organism pre-treatment link is also provided, The following steps are included:

(1) the preparation stage: the soil sample for weighing 0.05-0.5g is put into test tube and the heavy chromium of 10mL0.4mol/L is added After sour potassium-sulfuric acid solution, it is placed on test tube storage rack；Start graphite furnace (graphite digestion device 4), default temperature is set as 180 DEG C, enter the soil organism pretreatment stage when stable to 180 DEG C.

(2) soil organism pretreatment stage.

Firstly, container clip claw assembly 1 starts, small funnel 41 is clamped from six hole location funnel cases 18 and is put to six hole location test tubes On the test tube of storage rack 19；

Secondly, container clip claw assembly 1 clamps in test tube to the bottoming hole of graphite digestion device 4.

(3) judgement of heated condition.

Firstly, perception camera 7 acquires 4 upper surface image of a schungite digestion device every 10s, judge whether test tube enters In graphite digestion device 4, if judging, test tube has entered in graphite digestion device 4, carries out fluidized state judgement；

Secondly, fluidized state judges, perception camera 7 acquires the test tube image in a schungite digestion device 4 every 5s, mentions It takes the advantageous feature data of the image of acquisition to input identification model and judges whether invisible spectro solvent boils.

(4) transfer of boiling sample: test tube is put into the lossless transfer assembly 2 of sample by container clip claw assembly 1.

(5) the lossless transfer of sample: the lossless transfer assembly 2 of sample carries out lossless transfer processing to soil sample, completes soil Organic matter pretreatment process.

The lossless transfer step of sample is as follows:

The first step, the preliminary transfer of solidliquid mixture (can arrange 15s is preliminary transfer time).It installs and limits to test tube 28 In the flexible test tube retainer plate 30 of rotary barrel 39, rotary cylinder 37 works for position, so that test tube swivel mount 38 is heeling condition, Solidliquid mixture in test tube 28 pours into titration cup 21.

Second step, the complete transfer of solidliquid mixture are rinsed out by rotation and liquid feeding (liquid is original extractant) Remaining solid and inner wall residual liquid in test tube.

It controls straight line cylinder 32, fluid filling pump 34, pressure valve 36 and rotating electric machine 40 and cleaning is carried out to test tube 28.It has Steps are as follows for body:

(1) control straight line cylinder 32 carries out protrusive movement, and sparge pipe 26 is protracted, after reaching designated position, straight line gas Cylinder 32 stops movement；

(2) it controls fluid filling pump 34, pressure valve 36 and rotating electric machine 40 to work asynchronously, spray head 9 carries out liquid feeding for test tube 28 Operation；

(3) it controls fluid filling pump 34, pressure valve 36 and rotating electric machine 40 to stop, control straight line cylinder 32 carries out retracting motion.

Third step, the recovery of original state.It controls straight line cylinder 32 to retract, control rotary cylinder 37 resets, and restores test tube The vertical state of swivel mount 38.

Basic principles, main features, and advantages of the present invention has been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only the principles of the present invention, the utility model also has respectively on the premise of not departing from the spirit and scope of the utility model Kind changes and improvements, these changes and improvements are both fallen in the range of claimed invention.The requires of the utility model Protection scope defined by appended claims and its equivalent.

Claims (9)

1. a kind of automatic processing device for soil organism pre-treatment link, including vertical rail mould group (3), lossless turn of sample Component (2), container clip claw assembly (1) and graphite digestion device (4) are moved, is equipped with anyhow in vertical rail mould group (3) to slider module (5), the container clip claw assembly (1) is mounted on anyhow on slider module (5), the lossless transfer assembly of the sample (2) It is respectively positioned on anyhow with graphite digestion device (4) on the motion profile of slider module (5), it is characterised in that:

The container clip claw assembly (1) includes electronic clamping jaw (11), and electronic clamping jaw (11) is two finger translational types, electronic clamping jaw (11) be separately installed with left fixture block (12) and right fixture block (13) in gripping finger, left fixture block (12) it is identical with right fixture block (13) structure and It is corresponding in mirror image；

The clamping face of right fixture block (13) be equipped with clamping part (43) and middle clamping part (44) from top to bottom and upper clamping part (43) and The clamping face of right fixture block (13) is divided into upper cavity (14), lower chamber (15) and lower clamping part by middle clamping part (44) from top to bottom (16), the volume of upper cavity (14) be greater than lower chamber (15), upper cavity (14), lower chamber (15) be semi-cylindrical structure and It is independent cavity body structure, the arc notch (17) positioned at clamping face is equipped on upper clamping part (43) and middle clamping part (44), Lower clamping part (16) is semicircular structure, and the inner wall of lower clamping part (16) is slope structure and line of slope towards electronic clamping jaw (11) longitudinal centre line.

2. a kind of automatic processing device for soil organism pre-treatment link according to claim 1, feature Be: the height of the upper cavity (14) and lower chamber (15) is 20mm, and the height of lower clamping part (16) is 10mm, upper folder The thickness for holding portion (43) and middle clamping part (44) is 15mm, and the arc notch (17) is equipped with longitudinal section (20)；Institute The material of the left fixture block (12) and right fixture block (13) stated is polytetrafluoroethylene (PTFE).

3. a kind of automatic processing device for soil organism pre-treatment link according to claim 1, feature It is: further includes container storage assembly for storing (6), the container storage assembly for storing (6) is located at anyhow to the movement rail of slider module (5) On mark, the container storage assembly for storing (6) includes six hole location titration cup cases (10), six hole location funnel cases (18) and six Hole location test tube storage rack (19).

4. a kind of automatic processing device for soil organism pre-treatment link according to claim 1, feature It is: further includes perception camera (7), the perception camera (7) is mounted on upper surface and the direction of graphite digestion device (4) Anyhow to the motion profile of slider module (5).

5. a kind of automatic processing device for soil organism pre-treatment link according to claim 1, feature Be: the lossless transfer assembly of the sample (2) includes titration cup (21), head cartridge (22), test tube mounting base (23), reagent Hydrojet component and spray head moving parts, the rear end of the spray head moving parts are mounted on head cartridge (22), spray head exercise group The front end of part is equipped with spray head fixed frame (24), and spray head regulation pipe (25) is fixedly mounted on spray head fixed frame (24), spray head tune The front end of section pipe (25) is equipped with sparge pipe (26), and the liquid pushing tube (27) of reagent hydrojet component is mounted on spray head regulation pipe (25) Rear end；Test tube is installed in the test tube mounting base (23) and topples over component, test tube, which is toppled over, is equipped with test tube rotation group in component Part, test tube (28) are inserted in test tube rotary components；When test tube topples over component movement to tilt state and the movement of spray head moving parts When carrying journey to maximum, sparge pipe (26) is located in test tube (28) and the test tube mouth of test tube (28) is located above titration cup (21).

6. a kind of automatic processing device for soil organism pre-treatment link according to claim 5, feature Be: described sparge pipe (26) front end is equipped with spray head (29), and the internal diameter of spray head (29) is less than the internal diameter of liquid pushing tube (27), when Sparge pipe (26) be located at test tube (28) it is interior when, the extended line of the spray head (29) intersects with the bottom arc body of test tube (28)；It is described The extended line of spray head (29) and the longitudinal centre line of test tube (28) between angle be 2 ° -4 °.

7. a kind of automatic processing device for soil organism pre-treatment link according to claim 5, feature Be: the spray head moving parts include the air cylinder support mounting base (31) being mounted on head cartridge (22), air cylinder support It is equipped in mounting base (31) straight line cylinder (32), guide rail (33) is fixedly installed in air cylinder support mounting base (31), spray head is solid Determine frame (24) to be mounted on guide rail (33) and be slidably matched with guide rail (33) composition, spray head fixed frame (24) is fixedly mounted on straight line On the cylinder motion bar of cylinder (32).

8. a kind of automatic processing device for soil organism pre-treatment link according to claim 5, feature Be: the reagent hydrojet component includes fluid filling pump (34), and the inlet tube of the fluid filling pump (34) is connected to reagent barrel (35), The outlet tube of fluid filling pump (34) is mounted on the inlet of pressure valve (36), and the liquid pushing tube (27) is mounted on pressure valve (36) Liquid outlet on.

9. a kind of automatic processing device for soil organism pre-treatment link according to claim 5, feature Be: it includes the rotary cylinder (37) being mounted on test tube mounting base (23), rotary cylinder (37) that the test tube, which topples over component, Output shaft on be fixedly installed with test tube swivel mount (38)；The test tube rotary components include rotary barrel (39) and electric rotating Machine (40), rotary barrel (39) are mounted in test tube swivel mount (38) and constitute with test tube swivel mount (38) and be rotatably assorted, rotate Motor (40) is mounted on the outside of test tube swivel mount (38), and the output shaft of rotating electric machine (40) passes through test tube swivel mount (38) fixed peace On rotary barrel (39), flexible test tube retainer plate (30) is fixedly mounted in rotary barrel (39).