CN113804824A

CN113804824A - Efficient detection system and detection method for fish meal components

Info

Publication number: CN113804824A
Application number: CN202111351080.1A
Authority: CN
Inventors: 庞春媛
Original assignee: Guangdong Well Bred Indraught Service Corp
Current assignee: Guangdong Well Bred Indraught Service Corp
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2021-12-17
Anticipated expiration: 2041-11-16
Also published as: CN113804824B

Abstract

The invention relates to the field of feed detection, in particular to a high-efficiency detection system for fish meal components, which comprises a precipitation module, a digestion module and a test module, wherein the precipitation module comprises a precipitation reactor, a plurality of groups of cup bodies and a plurality of groups of flow liquid inlet pumps, and a precipitation reaction chamber and a water chamber are vertically separated in the precipitation reactor; according to the invention, through the matching of the annular guide groove and the transfer mechanism in the precipitation reactor, each group of cups can be sequentially transferred to the liquid injection mechanism and the turnover mechanism, so that reaction liquid can be automatically injected into the cups, each group of cups can be turned over downwards, precipitates in each group of cups can be sequentially poured and washed onto filter paper under the action of the inclined nozzles and the matching of the driving mechanism and the filtering mechanism, and meanwhile, the precipitates can be washed, so that automatic precipitation reaction can be realized, and multiple groups of precipitation reactions can be simultaneously carried out, so that the whole fish meal detection efficiency can be improved, and manual operation can be reduced.

Description

Efficient detection system and detection method for fish meal components

Technical Field

The invention relates to the field of feed detection, in particular to a high-efficiency detection system and a detection method for fish meal components.

Background

The fish meal is a high-protein feed raw material which is prepared by using one or more fishes as a raw material through deoiling, dewatering and crushing, contains amino acid necessary for animal growth, is rich in content and reasonable in proportion, and plays an irreplaceable role in the feed and breeding industries. With the development of feed industry in China, the required amount of fish meal is increased year by year, and due to large use amount and high price, some illegal merchants mix low-price high protein such as hydrolyzed feather meal, blood meal, meat and bone meal, leather meal and the like in the fish meal to make the fish meal fake and good, so that the quality of the fish meal is uneven, the phenomenon not only causes resource waste, but also brings economic loss to feed enterprises and animal husbandry, and therefore the protein of the fish meal needs to be detected.

The fish meal protein detection is divided into crude protein detection and true protein detection, and as the content of the crude protein is determined by measuring the total nitrogen content of the crude protein, the interference of non-protein cannot be eliminated, and then a true protein detection method is generally adopted.

Generally, the real protein detection step of fish meal is divided into (1) a precipitation stage, namely, a sample and distilled water are firstly put into a detection cup, after the sample and the distilled water are boiled, a sodium hydroxide solution and a copper sulfate solution are added into a cup body, after the sample and the distilled water are slightly boiled for a period of time, the mixture is cooled and kept stand, then filter paper is used for filtering, and the precipitate is washed by hot water for many times; (2) a digestion stage, namely placing the sediment and the filter paper in an oven for drying, then placing the dried sediment and the filter paper into a digestion tube, adding concentrated sulfuric acid, potassium sulfate and copper sulfate into the digestion tube, and then placing the digestion tube in a graphite digestion furnace for gradient heating digestion; (3) and in the testing stage, the cooled digestion tube is placed on a full-automatic Kjeldahl apparatus for detection.

However, the precipitation stage is mostly operated manually, resulting in low detection efficiency.

Disclosure of Invention

Solves the technical problem

Aiming at the defects in the prior art, the invention provides an efficient detection system and a detection method for fish meal components, which can effectively solve the problem of low detection efficiency caused by manual operation in most precipitation stages in the prior art.

Technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

a high-efficiency detection system for fish meal components comprises a precipitation module, a digestion module and a test module, wherein the precipitation module comprises a precipitation reaction instrument, a plurality of groups of cups and a plurality of groups of flow liquid inlet pumps, the precipitation reaction instrument is internally and vertically divided into a precipitation reaction chamber and a water chamber, the left part of the precipitation reaction chamber is respectively provided with an annular guide groove with a notch and a transfer mechanism for driving the cups to move in the annular guide groove, the middle part of the precipitation reaction chamber is internally provided with a turnover mechanism for driving the cups to turn over, the right part of the precipitation reaction chamber is internally provided with an inclined nozzle communicated with the water chamber, the annular guide groove is enclosed by an outer ring and an inner ring, the transfer mechanism comprises a multi-stage claw rotating in the precipitation reaction chamber, a cup cylinder sliding at two groups of adjacent claw ends of the multi-stage claw and used for placing the cups and a first driving motor arranged in the precipitation reaction chamber and driving the multi-stage claw to rotate, tilting mechanism slides in the roll-over stand and is used for the centre gripping cup section of thick bamboo including rotating in the breach in roll-over stand, symmetry and presss from both sides the wheel, the symmetry sets up in the roll-over stand and is used for pressing from both sides the first elastic component that the wheel resets and sets up in the roll-over stand and is used for driving and presss from both sides wheel pivoted second driving motor, the symmetry is provided with drive roll-over stand pivoted rotary driving spare in the breach, and it is equipped with the positioning disk to go back the symmetry frame in the breach, the positioning disk quotation all is provided with two sets of guide ways that are used for the direction to press from both sides the wheel and are close to each other or keep away from.

Furthermore, the digestion module comprises an oven, a graphite digestion furnace and a plurality of groups of digestion tubes, the test module comprises a Kjeldahl azotometer, and a plurality of groups of solution bottles are placed at the top of the topmost flow liquid inlet pump.

Furthermore, a heating element is arranged in the bottom of the water chamber, a compartment is arranged on the right side of the water chamber, a water pump is arranged in the compartment, a water inlet pipe of the water pump is communicated with the water chamber, and a water outlet end of the water pump is communicated with the inclined nozzle through a water pipe.

Furthermore, arc-shaped frames are symmetrically arranged in the annular guide groove from top to bottom, multiple groups of heating resistance rings located above the arc-shaped frames are arranged in the annular guide groove, multiple groups of first gears are rotationally connected between two groups of arc-shaped frames, a second gear is rotationally connected between the two groups of arc-shaped frames through a first shaft rod, the top end of the first shaft rod penetrates through the arc-shaped frames respectively, coaxially penetrates through the heating resistance rings and is provided with a magnetic stripe, the second gear is located between the two adjacent groups of first gears respectively and is meshed with the first gears, and a third driving motor for driving one group of first gears to rotate is further arranged in the annular guide groove.

Furthermore, the inner ring is also internally provided with a limiting component for fixing the cup body in the cup cylinder, the limiting component comprises an arc frame body which is fixed on the inner side wall of the inner ring and has a concave cross section, a limiting rod which slides in the arc frame body along the radial direction of the inner ring, an inner arc frame which slides in the axial direction of the inner ring, and a linear driving piece which drives the inner arc frame to move up and down, the side wall of the inner ring is respectively provided with a through hole corresponding to the heating resistance ring, one end of the limiting rod penetrates into the through hole and can penetrate out of the through hole, the other end of the limiting rod penetrates out of the arc frame body and is provided with a first wedge block, the limiting rod is provided with a baffle plate, the limiting rod is also sheathed with a second elastic piece which is positioned between the inner ring and the baffle plate, a plurality of groups of guide rods which are parallel to the axis of the inner ring are also arranged in the inner side wall of the inner arc frame, the inner side wall of the inner arc frame is respectively provided with a plurality of groups of lugs, and the sliding holes which are in sliding fit with the guide rods, the outer side wall of the inner arc frame is provided with a plurality of groups of second wedge blocks matched with the first wedge blocks.

Furthermore, multistage claw end all is provided with the arc piece, the arc piece lateral wall all is provided with the arc spout, the equal symmetry in a cup section of thick bamboo outside is provided with the first slide bar with arc spout sliding fit, first slide bar ability roll-off arc spout, a cup section of thick bamboo lateral wall still is provided with a section of thick bamboo side mouth.

Furthermore, the roll-over stand is a concave frame body, a beam part is arranged in the roll-over stand, first sliding ports which are communicated up and down are symmetrically arranged on the beam part, the side wall of the beam part is respectively provided with second sliding ports which are communicated with the left and the right and penetrate through the first sliding ports, sliding blocks are connected in the first sliding ports in a sliding way, connecting rods which penetrate through the second sliding ports are symmetrically arranged on the side wall of each sliding block, one ends, far away from the sliding blocks, of the connecting rods are respectively provided with a connecting plate, one ends, far away from the connecting rods, of the connecting plates are respectively provided with a second sliding rod, the side wall of each sliding block is also provided with a rod groove which is vertical to the second sliding ports, a third sliding rod which is in sliding fit with the rod groove is arranged in the first sliding ports, the first elastic pieces are sleeved on the third sliding rods, the clamping wheels are respectively rotated on the sliding blocks through second rods, the bottom ends of the second rods penetrate through the sliding blocks and penetrate through the first sliding ports and are provided with third gears, and a fourth gear capable of being meshed with the third gear is arranged at the output shaft end of the second driving motor.

Furthermore, still the symmetry is provided with the multiunit dead lever in the breach, be provided with the fixed orifices with dead lever fixed connection on the guiding disc, the guide way includes outer arc section, inner arc section and the gradual section of intercommunication outer arc section and inner arc section, the arc circle diameter of outer arc section is greater than the arc circle diameter of inner arc section.

Furthermore, a liquid injection mechanism which is positioned above the turnover mechanism and used for adding solution into the cup body is arranged in the middle of the precipitation reaction chamber, a filtering mechanism and a driving mechanism used for driving the filtering mechanism to move back and forth are respectively arranged in the right part of the precipitation reaction chamber, the liquid injection mechanism comprises three groups of electromagnetic valves erected in the precipitation reaction chamber and a drainage tube arranged at the lower end of the electromagnetic valves, and the upper ends of the electromagnetic valves are respectively connected with a flow liquid inlet pump through guide tubes; filtering mechanism is including sliding L type frame, the joint filtrate box on L type frame in precipitation reaction chamber and rotating the gland of connection on the filtrate box, the multiunit card hole has been seted up on the L type frame, filtrate box bottom side is provided with the kelly of multiunit and card hole joint, and multiunit and the communicating filtration mouth of its inner chamber have been seted up to filtrate box upside equidistance, the filtration mouth inboard all is provided with the filter paper annular that is used for placing filter paper, set up the flap mouth that multiunit and filtration mouth correspond on the gland, the gland upside still is provided with the awl cover that corresponds with the flap mouth, actuating mechanism is including rotating the lead screw in precipitation reaction chamber, setting and drive lead screw pivoted fourth drive motor and fixing outside L type frame and with lead screw complex removal vice.

A high-efficiency detection method for fish meal components is based on the detection system, and comprises the following steps:

s1, respectively putting equal parts of fish meal into the cup bodies, putting a magnet into each group of cup bodies, respectively putting the cup bodies into the cup barrels, opening the gland, respectively putting a layer of filter paper on the ring grooves of the filter paper, and then closing the gland;

s2, inputting reaction parameters on a control panel of the precipitation reactor and a control panel of each group of flow liquid inlet pumps respectively, carrying out precipitation reaction, and taking out the precipitation reactor together with filter paper and precipitation reactants when a prompt sound of reaction completion appears;

s3, placing the precipitation reactant and filter paper in an oven for drying, and taking out the magnet in the precipitation reactant after drying is finished;

s4, placing the precipitation reactant in the S3 and filter paper into a digestion tube, adding concentrated sulfuric acid, potassium sulfate and copper sulfate into the digestion tube, placing the digestion tube into a graphite digestion furnace for gradient heating digestion, and standing and cooling after digestion is finished;

and S5, placing the cooled digestion tube in the S4 on a full-automatic Kjeldahl apparatus for detection.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:

according to the invention, through the matching of the annular guide groove and the transfer mechanism in the precipitation reactor, each group of cups can be sequentially transferred to the liquid injection mechanism and the turnover mechanism, so that reaction liquid can be automatically injected into the cups, each group of cups can be turned over downwards, precipitates in each group of cups can be sequentially poured and washed onto filter paper under the action of the inclined nozzles and the matching of the driving mechanism and the filtering mechanism, and meanwhile, the precipitates can be washed, so that automatic precipitation reaction can be realized, and multiple groups of precipitation reactions can be simultaneously carried out, so that the whole fish meal detection efficiency can be improved, and manual operation can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic diagram of the operation flow of the fish meal true protein detection of the present invention;

FIG. 2 is a flow chart of a method of the present invention;

FIG. 3 is a schematic view of the precipitation reactor of the present invention;

FIG. 4 is a schematic top side view of a precipitation reactor lid according to the present invention with the lid open;

FIG. 5 is a schematic cross-sectional view of a precipitation reactor according to the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 5 according to the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 5B according to the present invention;

FIG. 8 is an enlarged view of the structure of FIG. 5 at C according to the present invention;

FIG. 9 is a schematic side view of the annular guide groove, the transferring mechanism, the turning mechanism and the filtering mechanism in the precipitation reactor of the present invention;

FIG. 10 is a schematic structural diagram of an annular guide groove, a transfer mechanism, a turnover mechanism and a filtering mechanism in the precipitation reactor according to the present invention;

FIG. 11 is a top side view angular configuration of the annular channel of the present invention;

FIG. 12 is a schematic view of the bottom side view of the annular channel of the present invention;

FIG. 13 is a schematic view of a portion of the transfer mechanism of the present invention;

FIG. 14 is a schematic view of a side view of the canting mechanism of the present invention;

FIG. 15 is a schematic view of the tilting mechanism shown in a bottom side view;

FIG. 16 is a schematic cross-sectional view of the canting mechanism of the present invention;

FIG. 17 is a schematic view of the structure of the steering wheel of the present invention;

FIG. 18 is an exploded view of the filter mechanism of the present invention;

the reference numerals in the drawings denote: 1. a precipitation reactor; 101. a water chamber; 102. a water inlet pipe; 103. avoiding the mouth; 104. a box cover; 2. a flow liquid inlet pump; 3. tilting the nozzle; 4. an outer ring; 5. an inner ring; 6. a notch; 7. a multi-stage jaw; 8. a cup cylinder; 9. a first drive motor; 10. a roll-over stand; 11. a pinch roller; 12. a first elastic member; 13. a second drive motor; 14. a rotary drive member; 15. a guide plate; 16. a solution bottle; 17. a heating member; 18. a water pump; 19. an arc-shaped frame; 20. heating the resistance ring; 21. a first gear; 22. a first shaft lever; 23. a second gear; 24. a magnetic strip; 25. a third drive motor; 26. an arc frame body; 27. a limiting rod; 28. an inner arc frame; 29. a linear drive; 30. perforating; 31. a first wedge block; 32. a baffle plate; 33. a second elastic member; 34. a guide bar; 35. a bump; 36. a second wedge block; 37. an arc block; 38. an arc-shaped chute; 39. a barrel side port; 40. a beam section; 41. a first sliding port; 42. a second sliding port; 43. a slider; 44. a connecting rod; 45. a connecting plate; 46. a second slide bar; 47. a rod groove; 48. a third slide bar; 49. a second shaft lever; 50. a third gear; 51. a fourth gear; 52. fixing the rod; 53. a fixing hole; 54. an outer arc section; 55. an inner arc section; 56. a progressive segment; 57. an electromagnetic valve; 58. a drainage tube; 59. an L-shaped frame; 60. a filtrate box; 61. a gland; 62. a clamping hole; 63. a clamping rod; 64. a filter opening; 65. a filter paper ring groove; 66. covering the opening; 67. a cone cover; 68. a screw rod; 69. and (4) moving pairs.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

The high-efficiency detection system and the detection method for fish meal components of the embodiment refer to fig. 3 to 18: including deposiing the module, digestion module and test module, wherein, it includes precipitation reaction appearance 1 to deposit the module, multiunit cup (not shown) and multiunit flow feed liquor pump 2, it has precipitation reaction chamber and hydroecium 101 to separate from top to bottom in the precipitation reaction appearance 1, be provided with the annular guide slot that has breach 6 and be used for driving the transport mechanism that the cup removed in the annular guide slot in the precipitation reaction chamber left part respectively, set up the tilting mechanism who is used for driving the cup upset in the precipitation reaction chamber middle part, be provided with the slope nozzle 3 with hydroecium 101 intercommunication in the precipitation reaction chamber right part, still be provided with in the precipitation reaction chamber middle part and be located tilting mechanism top and be used for to the liquid mechanism of annotating of interpolation solution in the cup, be provided with filter equipment in the precipitation reaction chamber right part respectively and be used for ordering about the actuating mechanism of filter equipment back-and-forth movement actuating mechanism.

Specifically, the digestion module comprises an oven, a graphite digestion furnace and a plurality of groups of digestion tubes, and the test module comprises a Kjeldahl nitrogen determination instrument.

The right side of the water chamber 101 is provided with a compartment, a water pump 18 is arranged in the compartment, the water inlet pipe of the water pump 18 is communicated with the water chamber 101, and the water outlet end of the water pump 18 is communicated with the inclined nozzle 3 through a water pipe, so that water in the water chamber 101 is pumped out from the inclined nozzle 3 through the water pump 18.

In order to enable the temperature of water pumped out from the inclined nozzle 3 to be 70-80 ℃, a heating element 17 is arranged in the bottom of the water chamber 101 to heat and preserve the temperature of the water in the water chamber 101, and a temperature sensor (not shown) is arranged in the water chamber 101 to facilitate the regulation and control of the temperature of the water in the water chamber 101.

The annular guide groove is enclosed by an outer ring 4 and an inner ring 5; wherein, the outer ring 4 and the inner ring 5 are both provided with gaps, so that the annular guide groove surrounded by the outer ring 4 and the inner ring 5 is provided with a gap 6.

The transfer mechanism comprises a multi-stage claw 7 rotating in the precipitation reaction chamber, a cup cylinder 8 sliding at the two adjacent claw ends of the multi-stage claw 7 and used for placing a cup body, and a first driving motor 9 arranged in the precipitation reaction chamber and driving the multi-stage claw 7 to rotate; in the technical scheme, a stepping motor is preferably selected as a first driving motor 9, nine groups of cup cylinders 8 are preferably selected as the cup cylinders, the included angle between two adjacent groups of cup cylinders 8 and the axis of the multi-stage claw 7 is 30 degrees, the included angle between two groups of cup cylinders 8 at the head and the tail and the axis of the multi-stage claw 7 is 60 degrees, and nine groups of cup cylinders 8 are arranged, so that the precipitation reactor 1 can simultaneously perform nine groups of precipitation reaction experiments, and two groups of the experiments can be selected as blank control experiments; the claw ends of the multistage claws 7 are provided with arc blocks 37, so that the arc blocks 37 have ten groups, the arc length of one group of arc blocks 37 is twice of the arc length of each of the other nine groups of arc blocks 37, the side walls of the nine outer groups of arc blocks 37 are provided with arc sliding grooves 38 far away from the axes of the multistage claws 7, and the outer sides of each group of cup cylinders 8 are symmetrically provided with first sliding rods in sliding fit with the arc sliding grooves 38, so that the cup cylinders 8 slide at the two adjacent groups of claw ends of the multistage claws 7, and the first sliding rods can slide out of the arc sliding grooves 38, and further the subsequent cup cylinders 8 can be turned and inclined conveniently; the annular guide groove formed by the outer ring 4 and the inner ring 5 in a surrounding mode guides and limits the cup cylinder 8, so that when the multistage claw 7 drives the cup cylinder 8 to rotate, the cup cylinder 8 is transferred along the annular guide groove and sequentially transferred to the notch 6.

In order to improve the reaction efficiency, arc-shaped frames 19 are symmetrically arranged in the annular guide groove from top to bottom, a plurality of groups of heating resistance rings 20 positioned above the upper arc-shaped frame 19 are arranged in the annular guide groove, a plurality of groups of first gears 21 are rotatably connected between the two groups of arc-shaped frames 19, second gears 23 are further rotatably connected between the two groups of arc-shaped frames 19 through first shaft levers 22, the top ends of the first shaft levers 22 respectively penetrate through the arc-shaped frames 19 and coaxially penetrate through the heating resistance rings 20 and are provided with magnetic stripes 24, the second gears 23 are respectively positioned between the two adjacent groups of first gears 21 and are meshed with the first gears 21, and a third driving motor 25 for driving one group of the first gears 21 to rotate is further arranged in the annular guide groove; the third driving motor 25 drives one group of the first gears 21 to rotate, so that the rotation of each group of the second gears 23 is driven through the transmission fit of the first gears 21, the rotation of each group of the magnetic strips 24 is realized, and the rotation of the magnetic strips 24 drives the rotation of the magnets by placing the magnets in the cup body, so that the stirring and mixing of the solution in the cup body and the fish meal can be realized, and the reaction precipitation efficiency is improved; meanwhile, by arranging the heating resistance ring 20, each group of cup bodies are heated, so that the reaction precipitation efficiency is further improved; further, the bottom end of the cup cylinder 8 is a hollow net rack, so that the blocking effect of the bottom end of the cup cylinder 8 is reduced, the effect that the magnetic stripe 24 drives the magnet to rotate is improved, and the heating effect of the heating resistance ring 20 on the solution in the cup body is improved;

in order to improve the stability of the cup body in the precipitation reaction process, a limiting component for fixing the cup body in the cup cylinder 8 is also arranged in the inner ring 5, the limiting component comprises an arc frame 26 which is fixed on the inner side wall of the inner ring 5 and has a concave cross section, a limiting rod 27 which slides in the arc frame 26 along the radial direction of the inner ring 5, an inner arc frame 28 which slides in the inner ring 5 along the axial direction of the inner ring 5 and a linear driving piece 29 which drives the inner arc frame 28 to move up and down, the side wall of the inner ring 5 is respectively provided with a through hole 30 corresponding to the heating resistance ring 20, one end of the limiting rod 27 penetrates into the through hole 30 and can penetrate out of the through hole 30, the other end of the inner arc frame passes through the arc frame body 26 and is provided with a first wedge block 31, a baffle 32 is arranged on the limiting rod 27, a second elastic piece 33 positioned between the inner ring 5 and the baffle 32 is further sleeved on the limiting rod 27, and a plurality of groups of second wedge blocks 36 matched with the first wedge blocks 31 are arranged on the outer side wall of the inner arc frame 28; the side wall of the cup cylinder 8 is symmetrically provided with cylinder side openings 39; in the technical scheme, the linear driving part 29 is preferably an electric rod, the linear driving parts 29 are preferably three groups, the three groups of linear driving parts 29 are erected in a precipitation reaction chamber in the inner ring 5 at equal angles, when the linear driving part 29 drives the inner arc frame 28 to ascend, the second wedge block 36 is in contact fit with the first wedge block 31, one end, far away from the second wedge block 36, of the limiting rod 27 penetrates through the through hole 30 and penetrates into the cup cylinder 8 through the cylinder side opening 39, the cup body is abutted to the cup cylinder 8, and the cup body is fixed in the cup cylinder 8, so that the stability of the cup body in the cup cylinder 8 is improved, and the cup body is prevented from shaking due to the rotation of a magnet; when the linear driving member 29 drives the inner arc frame 28 to descend and return, the second elastic member 33 moves the limiting rod 27 away from the through hole 30, so as to release the fixation of the cup body.

Wherein, a plurality of groups of guide rods 34 parallel to the axis of the inner ring 5 are arranged in the inner ring 5, a plurality of groups of convex blocks 35 are respectively arranged on the inner side wall of the inner arc frame 28, and a sliding hole in sliding fit with the guide rod 34 is arranged on the convex block 35, so that the guide of the up-and-down movement of the inner arc frame 28 is realized through the guide rod 34; meanwhile, in order to reduce the damage of the limiting rod 27 to the cup body, a rubber pad is arranged at one end, far away from the second wedge-shaped block 36, of the limiting rod 27.

The turnover mechanism comprises a turnover frame 10 rotating in the gap 6, clamping wheels 11 symmetrically sliding in the turnover frame 10 and used for clamping a cup body in the cup cylinder 8, first elastic pieces 12 symmetrically arranged in the turnover frame 10 and used for resetting the clamping wheels 11, and a second driving motor 13 arranged in the turnover frame 10 and used for driving the clamping wheels 11 to rotate; wherein, the notch 6 is symmetrically provided with a rotary driving part 14 for driving the roll-over stand 10 to rotate, the notch 6 is also symmetrically provided with a guide disc 15, and the disc surface of the guide disc 15 is provided with two groups of guide grooves for guiding the clamping wheels 11 to approach or keep away from each other.

Specifically, the roll-over stand 10 is a concave frame body, a beam portion 40 is arranged in the roll-over stand, first sliding ports 41 which are communicated up and down are symmetrically arranged on the beam portion 40, second sliding ports 42 which are communicated with left and right and penetrate through the first sliding ports 41 are respectively arranged on the side wall of the beam portion 40, sliding blocks 43 are respectively connected in the first sliding ports 41 in a sliding manner, connecting rods 44 which penetrate through the second sliding ports 42 are symmetrically arranged on the side wall of each sliding block 43, a connecting plate 45 is arranged at one end, far away from the sliding block 43, of each connecting plate 45, a second sliding rod 46 is arranged at one end, far away from the connecting rod 44, of each connecting plate 45, rod grooves 47 which are perpendicular to the second sliding ports 42 are also arranged on the side wall of each sliding block 43, third sliding rods 48 which are in sliding fit with the rod grooves 47 are arranged in the first sliding ports 41, the first elastic pieces 12 are sleeved on the third sliding rods 48, the clamping wheels 11 are respectively rotated on the sliding blocks 43 through second shaft rods 49, the bottom ends of the second shaft rods 49 penetrate through the sliding blocks 43 and penetrate through the first sliding ports 41 and are provided with third gears 50, the output shaft end of the second driving motor 13 is provided with a fourth gear 51 which can be meshed with the third gear 50; the guide groove comprises an outer arc section 54, an inner arc section 55 and a gradual section 56 for communicating the outer arc section 54 with the inner arc section 55, wherein the diameter of the arc ring of the outer arc section 54 is larger than that of the arc ring of the inner arc section 55; the sliding fit of the third sliding rod 48 and the rod groove 47 realizes the guiding of the movement of the sliding block 43, and the clamping wheel 11 is connected with the sliding block 43 in a rotating way, so that the clamping wheel 11 and the overturning frame 10 are realized.

In the technical scheme, the second driving motor 13 is preferably a speed reducing motor, the rotary driving part 14 is preferably a rotary air cylinder, when the cup barrel 8 is transferred into the roll-over stand 10, at the moment, the two groups of clamping wheels 11 are respectively contacted with the side wall of the cup body in the cup barrel 8 through the barrel side opening 39, then the rotary driving part 14 drives the roll-over stand 10 to rotate, the second sliding rod 46 respectively slides into the gradual section 56 from the outer arc section 54, the two groups of clamping wheels 11 are close to each other, the cup body is clamped between the two groups of clamping wheels 11 and continuously rotates along with the roll-over stand 10, and the second sliding rod 46 further slides into the inner arc section 55, so that the clamping effect of the two groups of clamping wheels 11 on the cup body is kept; the cup body is clamped to drive the cup cylinder 8 to rotate, the cup body is finally inclined downwards, the axis of the cup body is coaxial with the inclined nozzle 3, and therefore water sprayed by the inclined nozzle 3 washes the cup body, sediment in the cup body is washed out, and the washed water washes the sediment; when the second sliding rod 46 slides into the inner arc section 55, the two groups of third gears 50 are respectively meshed with the fourth gear 51, so that the second driving motor 13 can drive the two groups of clamping wheels 11 to rotate, the cup body rotates around the axis of the cup body, and then the water sprayed by the inclined nozzle 3 can completely flush out sediments in the cup body; after the washing is finished, the rotary driving member 14 is controlled to drive the roll-over stand 10 to rotate reversely and reset, so that the second sliding rod 46 slides from the inner arc section 55 to the outer arc section 54, and the two sets of clamping wheels 11 move back to back under the action of the first elastic member 12, so that the clamping effect of the two sets of clamping wheels 11 on the cup body is relieved.

Wherein, in order to reduce the damage of the clamping wheel 11 to the cup body and improve the frictional resistance of the clamping wheel 11 to the cup body, a rubber rim is arranged outside the circumference of the clamping wheel 11.

The liquid injection mechanism comprises three groups of electromagnetic valves 57 erected in the precipitation reaction chamber and drainage tubes 58 arranged at the lower ends of the electromagnetic valves 57, the upper ends of the electromagnetic valves 57 are respectively connected with the flow liquid inlet pump 2 through guide pipes, and a plurality of groups of solution bottles 16 are placed at the top of the flow liquid inlet pump 2 at the topmost side; the solution bottles 16 comprise two groups, wherein the two groups are used for respectively containing sodium hydroxide solution and copper sulfate solution and are respectively connected with the two groups of flow liquid inlet pumps 2 through guide pipes, meanwhile, the flow liquid inlet pumps 2 are connected with the two groups of electromagnetic valves 57 through the guide pipes, the other group of flow liquid inlet pumps 2 are respectively communicated with the water chamber 101 and the other group of electromagnetic valves 57 through the guide pipes, and therefore water, the sodium hydroxide solution and the copper sulfate solution can be accurately injected into the cup body by controlling the flow liquid inlet pumps 2 and the electromagnetic valves 57, and automatic liquid injection is achieved.

The filtering mechanism comprises an L-shaped frame 59 sliding in the precipitation reaction chamber, a filtrate box 60 clamped on the L-shaped frame 59 and a gland 61 rotatably connected on the filtrate box 60, a plurality of groups of filtering openings 64 communicated with the inner cavity of the filtrate box 60 are formed in the upper side of the filtrate box 60 at equal intervals, filter paper ring grooves 65 used for placing filter paper are formed in the inner sides of the filtering openings 64, and a plurality of groups of caps 66 corresponding to the filtering openings 64 are formed in the gland 61.

The filter paper is conveniently placed on the filter opening 64 through the filter paper ring groove 65, and meanwhile, the stability of the filter paper on the filter opening 64 is improved through the jacking of the gland 61 on the filter paper; when the cup is turned over to be inclined downward by the turnover mechanism, the precipitate in the cup and the solution are poured onto the filter paper on the filter opening 64, and the solution passes through the filter paper and the filter opening 64. Fall into the filtrate cartridge 60.

A plurality of groups of clamping holes 62 are formed in the L-shaped frame 59, a plurality of groups of clamping rods 63 clamped with the clamping holes 62 are arranged at the bottom side of the filtrate box 60, so that the filtrate box 60 is clamped on the L-shaped frame 59, the L-shaped frame 59 is convenient to take down the filtrate box 60, and filtrate and washing liquid in the filtrate box 60 are discharged through a liquid discharge pipe (as shown in fig. 18, a valve (not shown) is arranged on the liquid discharge pipe) arranged on the side wall of the filtrate box 60; in order to improve the pressing effect of the pressing cover 61 on the filter paper, the pressing cover 61 is not magnetically matched with the filtrate box 60; meanwhile, in order to facilitate the sediment and the solution in the cup body to pass through the cover opening 66, a cone cover 67 corresponding to the cover opening 66 is arranged on the upper side of the gland 61.

The driving mechanism comprises a screw rod 68 which rotates in the precipitation reaction chamber, a fourth driving motor which is arranged outside the precipitation reactor 1 and drives the screw rod 68 to rotate, and a moving pair 69 which is fixed outside the L-shaped frame 59 and is matched with the screw rod 68; according to the technical scheme, the fourth driving motor is preferably a servo motor, so that the fourth driving motor drives the screw rod 68 to rotate, the L-shaped frame 59 is driven to move back and forth through the matching of the moving pair 69 and the screw rod 68, the filter paper on each group of filter openings 64 is moved to the position corresponding to the turnover mechanism, and each group of precipitated reactants are automatically collected.

In order to avoid the obstruction to the forward and backward movement of the L-shaped frame 59, the front and rear side walls of the precipitation reactor 1 are respectively provided with an avoiding opening 103, in order to reduce the external dust falling into the precipitation reactor 1, two sets of box covers 104 are respectively and rotatably connected to the precipitation reactor 1, and simultaneously, in order to facilitate the addition of water into the water chamber 101, the precipitation reactor 1 is further provided with a water inlet pipe 102 communicated with the water chamber 101, and the water inlet pipe 102 is provided with a valve (not shown).

When carrying out precipitation reaction operation, respectively putting equal parts of fish meal into the cups, then putting the fish meal into each group of cups, then respectively putting the cups into the cup cylinder 8, then respectively putting the filter paper on the filter paper ring groove 65, covering the gland 61, then starting reaction, controlling the transfer mechanism by the precipitation reactor 1 to enable the cups to sequentially rotate to the liquid injection mechanism (namely the turnover mechanism), controlling the liquid injection mechanism to sequentially inject water, sodium hydroxide solution and copper sulfate solution into the cups, then controlling the transfer mechanism to enable each group of cups to be respectively positioned above the heating resistance ring 20, controlling the third driving motor 25 to start, enabling the magnetic strips 24 to respectively rotate, enabling the magnets to rotate in the cups, stirring and mixing, simultaneously controlling the linear driving piece 29 to drive the inner arc frame 28 to move upwards, enabling each group of limiting rods 27 to prop against the cups, and avoiding the cups from shaking; after the precipitation reaction time is over, the precipitation reaction instrument 1 controls the transfer mechanism again to enable the cup bodies to rotate to the turnover mechanisms in sequence again, controls the turnover mechanisms to drive each group of cup bodies to turn over obliquely and downwards so that the precipitate is poured onto the filter paper, controls water in the water chamber 101 to be sprayed out from the inclined nozzles 3 to wash the cup bodies, and controls the washed water to flow onto the filter paper along the cup bodies, so that not only is the precipitate remained in the cup bodies washed, but also the precipitate on the filter paper is washed; meanwhile, when the transfer mechanism drives the cup bodies to rotate to the turnover mechanism, the driving mechanism is controlled to drive the filtrate box 60 to move for a group of distance, so that precipitates in different groups of cup bodies fall on different filter papers, and the cross mixing of a plurality of groups of precipitated reactants is avoided; when the precipitates in each group of cup bodies are poured onto the filter paper respectively, the precipitation reactor 1 gives out a kick prompt sound to prompt the completion of the whole precipitation reaction.

Through annular guide slot and transport mechanism's cooperation in precipitation reaction appearance 1, make every group cup physical stamina shift in proper order to annotate liquid mechanism and tilting mechanism department, realize automatic reaction liquid of pouring into to the cup, and realize that every group cup overturns downwards, under the effect of slope nozzle 3, and under actuating mechanism and filtering mechanism's cooperation, in proper order empty and wash the deposit in every group cup on filter paper, realize the washing to the deposit simultaneously, and then realize automatic precipitation reaction, and realize that multiunit precipitation reaction goes on simultaneously, not only improve whole fish meal detection efficiency, and reduce manual operation.

The technical scheme also provides an efficient detection method of fish meal components, and the detection method is based on the detection system and comprises the following steps:

s1, respectively putting equal parts of fish meal into the cups, putting a magnet into each group of cups, respectively putting the cups into the cup cylinder 8, opening the gland 61, respectively putting a layer of filter paper on the filter paper ring groove 65, and then closing the gland 61;

s2, inputting reaction parameters on a control panel of the precipitation reactor 1 and a control panel of each group of flow liquid inlet pumps 2 respectively, carrying out precipitation reaction, and taking out the precipitation reactor 1 together with filter paper and precipitation reactants when a prompt sound of reaction completion occurs;

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. The utility model provides a high-efficient detecting system of fish meal composition, includes deposits module, digestion module and test module, its characterized in that: the precipitation module comprises a precipitation reaction instrument (1), a plurality of groups of cups and a plurality of groups of flow liquid inlet pumps (2), wherein the precipitation reaction instrument (1) is internally and vertically divided into a precipitation reaction chamber and a water chamber (101), the left part of the precipitation reaction chamber is internally provided with an annular guide groove with a notch (6) and a transfer mechanism for driving the cups to move in the annular guide groove, the middle part of the precipitation reaction chamber is internally provided with a turnover mechanism for driving the cups to turn over, the right part of the precipitation reaction chamber is internally provided with an inclined nozzle (3) communicated with the water chamber (101), the annular guide groove is enclosed by an outer ring (4) and an inner ring (5), the transfer mechanism comprises a multi-stage claw (7) rotating in the precipitation reaction chamber, a cup cylinder (8) sliding at two groups of adjacent claw ends of the multi-stage claw (7) and used for placing the cups and a first driving motor (9) arranged in the precipitation reaction chamber and driving the multi-stage claw (7) to rotate, the turnover mechanism comprises a turnover frame (10) rotating in a notch (6), clamping wheels (11) symmetrically sliding in the turnover frame (10) and used for clamping a cup body in a cup barrel (8), first elastic pieces (12) symmetrically arranged in the turnover frame (10) and used for resetting the clamping wheels (11), and second driving motors (13) arranged in the turnover frame (10) and used for driving the clamping wheels (11) to rotate, rotary driving pieces (14) driving the turnover frame (10) to rotate are symmetrically arranged in the notch (6), guide discs (15) are further symmetrically arranged in the notch (6), and two groups of guide grooves used for guiding the clamping wheels (11) to be close to or away from each other are arranged in the disc surfaces of the guide discs (15).

2. The system for efficiently detecting the components of the fish meal as claimed in claim 1, wherein the digestion module comprises an oven, a graphite digestion furnace and a plurality of groups of digestion tubes, the test module comprises a Kjeldahl nitrogen determination instrument, and a plurality of groups of solution bottles (16) are placed at the top of the flow liquid inlet pump (2) at the topmost side.

3. The system for efficiently detecting the components of the fish meal as claimed in claim 1, wherein a heating element (17) is arranged in the bottom of the water chamber (101), a compartment is arranged on the right side of the water chamber (101), a water pump (18) is arranged in the compartment, an inlet pipe of the water pump (18) is communicated with the water chamber (101), and an outlet end of the water pump (18) is communicated with the inclined nozzle (3) through a water pipe.

4. The efficient fish meal component detection system according to claim 1, wherein arc-shaped frames (19) are symmetrically arranged in the annular guide groove from top to bottom, a plurality of groups of heating resistance rings (20) positioned above the arc-shaped frames (19) at the upper side are arranged in the annular guide groove, a plurality of groups of first gears (21) are rotatably connected between two groups of arc-shaped frames (19), a second gear (23) is rotatably connected between the two groups of arc-shaped frames (19) through a first shaft lever (22), the top end of the first shaft lever (22) respectively penetrates out of the arc-shaped frame (19) and coaxially penetrates through the heating resistance ring (20) and is provided with a magnetic strip (24), the second gears (23) are respectively positioned between two adjacent groups of the first gears (21) and are meshed with the first gears (21), and a third driving motor (25) for driving one group of first gears (21) to rotate is further arranged in the annular guide groove.

5. The efficient detection system for fish meal components according to claim 4, wherein a limiting component for fixing an inner cup body of the cup cylinder (8) is further arranged in the inner ring (5), the limiting component comprises an arc frame body (26) which is fixed on the inner side wall of the inner ring (5) and is concave in cross section, a limiting rod (27) which radially slides in the arc frame body (26) along the inner ring (5), an inner arc frame (28) which axially slides in the inner ring (5) along the inner ring (5), and a linear driving piece (29) which drives the inner arc frame (28) to move up and down, the side wall of the inner ring (5) is respectively provided with a through hole (30) corresponding to the heating resistance ring (20), one end of the limiting rod (27) penetrates into the through hole (30) and can penetrate out of the through hole (30), the other end of the limiting rod penetrates out of the arc frame body (26) and is provided with a first wedge block (31), and a baffle (32) is arranged on the limiting rod (27), still the cover is equipped with second elastic component (33) that is located between inner ring (5) and baffle (32) on gag lever post (27), still be provided with guide arm (34) that multiunit and its axis are parallel in inner ring (5), interior arc frame (28) inside wall is provided with multiunit lug (35) respectively, be provided with on lug (35) with guide arm (34) sliding fit's slide opening, interior arc frame lateral wall is provided with multiunit and first wedge (31) complex second wedge (36).

6. The system for detecting the fish meal component of claim 1, wherein arc blocks (37) are arranged at the claw ends of the multistage claws (7), arc sliding grooves (38) are arranged on the side walls of the arc blocks (37), first sliding rods in sliding fit with the arc sliding grooves (38) are symmetrically arranged on the outer sides of the cup cylinders (8), the first sliding rods can slide out of the arc sliding grooves (38), and cylinder side openings (39) are further arranged on the side walls of the cup cylinders (8).

7. The efficient detection system for fish meal components according to claim 1, wherein the roll-over stand (10) is a concave frame body, a beam portion (40) is arranged in the roll-over stand, first sliding openings (41) which are communicated up and down are symmetrically arranged on the beam portion (40), second sliding openings (42) which are communicated with left and right and penetrate through the first sliding openings (41) are respectively arranged on the side wall of the beam portion (40), sliding blocks (43) are respectively and slidably connected in the first sliding openings (41), connecting rods (44) penetrating through the second sliding openings (42) are symmetrically arranged on the side wall of each sliding block (43), connecting plates (45) are respectively arranged at the ends of the connecting rods (44) far away from the sliding blocks (43), second sliding rods (46) are respectively arranged at the ends of the connecting plates (45) far away from the connecting rods (44), rod grooves (47) perpendicular to the second sliding openings (42) are further formed in the side wall of each sliding block (43), a third sliding rod (48) in sliding fit with the rod groove (47) is arranged in the first sliding opening (41), the first elastic piece (12) is sleeved on the third sliding rod (48), the clamping wheels (11) rotate on the sliding block (43) through second shaft levers (49) respectively, the bottom ends of the second shaft levers (49) penetrate through the sliding block (43) and penetrate out of the first sliding opening (41) and are provided with third gears (50), and the output shaft end of the second driving motor (13) is provided with a fourth gear (51) capable of being meshed with the third gears (50).

8. The system for detecting the fish meal component of claim 7, wherein a plurality of groups of fixing rods (52) are symmetrically arranged in the gap (6), fixing holes (53) fixedly connected with the fixing rods (52) are formed in the guide disc (15), the guide groove comprises an outer arc section (54), an inner arc section (55) and a gradual section (56) communicating the outer arc section (54) with the inner arc section (55), and the diameter of the arc ring of the outer arc section (54) is larger than that of the arc ring of the inner arc section (55).

9. The high-efficiency detection system for the components of the fish meal as claimed in claim 1, wherein a liquid injection mechanism is further arranged in the middle of the precipitation reaction chamber, the liquid injection mechanism is positioned above the turnover mechanism and used for adding a solution into the cup body, a filtering mechanism and a driving mechanism used for driving the filtering mechanism to move back and forth are respectively arranged in the right part of the precipitation reaction chamber, the liquid injection mechanism comprises three groups of electromagnetic valves (57) erected in the precipitation reaction chamber and drainage tubes (58) arranged at the lower ends of the electromagnetic valves (57), and the upper ends of the electromagnetic valves (57) are respectively connected with the flow liquid inlet pump (2) through conduits; filtering mechanism is including sliding L type frame (59), the filtrating box (60) of joint on L type frame (59) in precipitation reaction chamber and rotating gland (61) of connection on filtrating box (60), multiunit card hole (62) have been seted up on L type frame (59), filtrating box (60) bottom side is provided with card pole (63) of multiunit and card hole (62) joint, and multiunit and communicating filtration mouth (64) of its inner chamber have been seted up to filtrating box (60) upside equidistance, filtration mouth (64) inboard all is provided with filter paper annular (65) that are used for placing filter paper, set up lid mouth (66) that multiunit and filtration mouth (64) correspond on gland (61), gland (61) upside still is provided with awl cover (67) that correspond with lid mouth (66), actuating mechanism is including rotating lead screw (68) in precipitation reaction chamber, set up and drive lead screw (68) pivoted fourth motor outside precipitation reaction appearance (1) and fixing outside L type frame (59) A sliding pair (69) which is arranged at the side and is matched with the screw rod (68).

10. A high-efficiency detection method for fish meal components, which is characterized in that the detection method is according to the detection system of any one of claims 1-9, and the detection method comprises the following steps:

s1, respectively putting equal parts of fish meal into the cups, putting a magnet into each group of cups, respectively putting the cups into the cup cylinder (8), opening the gland (61), respectively putting a layer of filter paper on the filter paper ring groove (65), and then closing the gland (61);

s2, inputting reaction parameters on a control panel of the precipitation reactor (1) and a control panel of each group of flow liquid inlet pumps (2) respectively, carrying out precipitation reaction, and taking out the precipitation reactor (1) together with filter paper and precipitation reactants when a prompt sound of reaction completion occurs;