CN114964946A

CN114964946A - Preceding processing apparatus among animal remedy residual analysis

Info

Publication number: CN114964946A
Application number: CN202210416531.3A
Authority: CN
Inventors: 马晓年; 陈俊秀; 赵丽; 李文廷; 李旭; 李怡; 农蕊瑜; 李洁
Original assignee: Kunming Center For Disease Control And Prevention
Current assignee: Kunming Center For Disease Control And Prevention
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-08-30

Abstract

The invention discloses a pretreatment device in veterinary drug residue analysis, which relates to the technical field of drug pretreatment equipment and comprises a placing frame, wherein the top of the placing frame is respectively provided with a grinding component and an extraction solvent box, a mixing component is arranged in the placing frame, and a filtering component and a water pump are arranged on one side of the placing frame, the equipment integrates feeding, chopping, grinding, mixing and centrifugal filtering, thereby not only improving the pretreatment efficiency, but also improving the whole process automation operation, saving time and labor, being safe and reliable, reducing the occupation of space area, further improving the use convenience, simultaneously achieving the double grinding effect in the use process, not only improving the fineness of drug crushing, but also further improving the grinding efficiency, and also putting the unground drug into the grinding box again for repeated circular grinding, and not only preventing the drug waste, and the blockage of the second sieve holes is avoided, so that the blanking efficiency is ensured.

Description

Preceding processing apparatus among animal remedy residue analysis

Technical Field

The invention relates to the technical field of medicine pretreatment equipment, in particular to a pretreatment device in veterinary drug residue analysis.

Background

At present, it is in remaining the analysis process to animal remedy in the accuse center, need carry out the preliminary treatment to the sample usually, but current pretreatment equipment, during the in-service use, not only the structure is complicated, need artifical supplementary on side, waste time and energy, labor cost has been increased, but also need the staff to carry out a lot of shifts to the medicine, can't ensure the continuity of operation to reduce the preliminary treatment efficiency, for this reason, the staff in this field has provided a preliminary treatment device in the analysis of animal remedy residue.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a pretreatment device in veterinary drug residue analysis, which solves the problems that the existing pretreatment equipment is complex in structure, needs manual assistance, wastes time and labor, increases labor cost, needs workers to transfer drugs for many times, cannot ensure the continuity of operation and further reduces the pretreatment efficiency during actual use.

In order to achieve the purpose, the invention is realized by the following technical scheme: a pretreatment device in veterinary drug residue analysis comprises a placing rack, wherein a grinding assembly and an extraction solvent box are respectively arranged at the top of the placing rack, a mixing assembly is arranged in the placing rack, and a filtering assembly and a water pump are arranged on one side of the placing rack;

the grinding assembly comprises a grinding box, a first motor and a fan, wherein a medicine grinding box and an air pipe are respectively installed inside the grinding box from top to bottom, a roller rod penetrates through the medicine grinding box, a plurality of groups of grinding blades are sleeved outside the roller rod, a plurality of feeding nozzles are installed on the periphery of the bottom of the air pipe, a first shaft lever, a second shaft lever and a third shaft lever penetrate through the bottom of the grinding box and are located below the feeding nozzles respectively, a first grinding gear, a second grinding gear and a third grinding gear which are meshed with each other are sleeved outside the first shaft lever, the second shaft lever and the third shaft lever respectively, an air inlet end of the fan forms a fixed connection structure communicated with the air pipe through an exhaust pipe, and an air outlet pipe of the fan forms a fixed connection structure communicated with the grinding box through an air outlet pipe.

As a further technical scheme, the mixing assembly comprises a second motor, a speed reducer and two symmetrical U-shaped supporting legs, the inner sides of the two U-shaped supporting legs form a fixed connection structure together through a mixing box, and a stirring roller penetrates through the mixing box.

As a further technical scheme, the filter assembly comprises a filter box and a third motor, a power driving end of the third motor is connected with a centrifugal barrel through a driving rod, the centrifugal barrel is located inside the filter box, a liquid storage cavity is arranged between the centrifugal barrel and the filter box, and a plurality of filter holes are formed in the liquid storage cavity.

As a further technical scheme, the bottom of the medicine crushing box and the bottom of the grinding box are respectively provided with a plurality of first sieve holes and second sieve holes which are equidistant, the bottom of the grinding box and the outer part of the second sieve holes are connected with a discharge hopper, and the bottom of the discharge hopper is provided with a first discharge pipe communicated with the discharge hopper.

As a further technical scheme, the discharge end of the first discharge pipe is positioned right above the mixing box, the roller rod and the first shaft rod are sleeved with the belt pulley group, the power driving end of the first motor is connected with the roller rod, and the top of the medicine crushing box is provided with the feed hopper.

As a further technical scheme of the invention, one end of the bottom of the mixing box is provided with a second through discharging pipe, the outside of the second discharging pipe is sleeved with a second valve, the power driving end of the second motor is connected with a speed reducer, and the output end of the speed reducer is connected with a stirring roller.

As a further technical scheme, a waterproof bearing is installed at the joint of the driving rod and the filter box, a second liquid outlet pipe communicated with the liquid storage cavity is installed at the bottom of the filter box, a third valve is sleeved outside the second liquid outlet pipe, and a top cover is in threaded connection with the top of the filter box.

As a further technical scheme of the invention, the diameter of the first sieve mesh is larger than that of the second sieve mesh, the diameter of the filter hole is smaller than that of the second sieve mesh, the bottom of the extraction solvent box is provided with a first liquid outlet pipe communicated with the bottom of the extraction solvent box, the outlet end of the first liquid outlet pipe is positioned right above the mixing box, and the outer part of the first liquid outlet pipe is sleeved with a first valve.

As a further technical scheme of the invention, a water inlet end of the water pump and a second discharge pipe form a fixed connection structure through the discharge pipe, a water outlet end is connected with a feed pipe, and a free end of the feed pipe penetrates through the side wall of the top cover and extends to the inside of the centrifugal barrel.

Advantageous effects

The invention provides a pretreatment device in veterinary drug residue analysis. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a preceding processing apparatus among veterinary drug residual analysis, the outside through the roller pole has cup jointed a plurality of groups and has smashed the blade, first axostylus axostyle, the outside of second axostylus axostyle and third axostylus axostyle has cup jointed the first grinding gear of looks meshing respectively, second grinding gear and third grinding gear, so when the medicine is sent in, it is rotatory through first motor drive pulley group, can reach the effect of grinding after cutting up earlier the medicine, the dual kibbling setting of this structure, not only can improve the kibbling fineness of medicine, and still further improve grinding efficiency, in addition, under the effect of feed nozzle and tuber pipe, through starting the fan, still can put in to grinding the case again with the medicine that does not grind, carry out the manifold cycles grinding, not only prevented the medicine extravagant, and still avoided the second sieve mesh to block up, and then the efficiency of unloading has been ensured.

2. The utility model provides a preceding processing apparatus among veterinary drug residue analysis, is equipped with the stirring roller through the inside at the mixing box, finishes the back when grinding, opens first valve, can pour extraction solvent into to the mixing box, starts the second motor, can carry out the homogeneous mixing with medicine and extraction solvent to guarantee the fusibility between the two, laid a good foundation for follow-up drug analysis, in addition, start the third motor, can drive the centrifuge bucket and carry out high-speed rotation, under the effect of centrifugal force, can realize the filtration to the medicine.

3. The utility model provides a preceding processing apparatus among animal remedy residual analysis, install grinding unit and extraction solvent box respectively through the top at the rack, the internally mounted of rack has mixed subassembly, filtering component and water pump are installed to one side, the end of intaking of water pump forms fixed connection structure through discharging pipe and second discharging pipe, it then is connected with the inlet pipe to go out the water outlet end, this equipment collection feeding, the shredding grinding, mix and centrifugal filtration is as an organic whole, not only the preceding processing efficiency has been improved, and full automation operates, more labour saving and time saving, safety and reliability, the occupation of space area has been reduced, thereby convenience and continuity of use have been improved.

Drawings

Fig. 1 is a schematic structural view of a pretreatment device in veterinary drug residue analysis;

fig. 2 is a left side view of a pretreatment device for veterinary drug residue analysis;

fig. 3 is a schematic view of a grinding assembly of a pretreatment device for veterinary drug residue analysis;

fig. 4 is a top view of a polishing assembly of a pre-processing apparatus for veterinary drug residue analysis;

FIG. 5 is a cross-sectional view A-A of FIG. 4;

FIG. 6 is a cross-sectional view of C-C of FIG. 4;

fig. 7 is a schematic view of a filter assembly of a pretreatment device for veterinary drug residue analysis;

fig. 8 is a top view of a filter assembly of a pretreatment device for veterinary drug residue analysis;

FIG. 9 is a cross-sectional view D-D of FIG. 8;

fig. 10 is a schematic diagram of a mixing assembly of a pretreatment device for veterinary drug residue analysis.

In the figure: 1. placing a rack; 2. a grinding assembly; 21. grinding the materials in a grinding box; 22. a first motor; 23. a fan; 24. a medicine crushing box; 25. an air duct; 26. a roll bar; 27. a crushing blade; 28. a feed nozzle; 29. a first shaft lever; 210. a second shaft lever; 211. a third shaft lever; 212. a first grinding gear; 213. a second grinding gear; 214. a third grinding gear; 215. an exhaust pipe; 216. an air outlet pipe; 217. a first screen hole; 218. a second sieve pore; 219. a discharge hopper; 2110. a first discharge pipe; 2111. a feed hopper; 2112. a pulley group; 3. an extraction solvent box; 4. a mixing assembly; 41. a U-shaped leg frame; 42. a second motor; 43. a speed reducer; 44. a mixing box; 45. a stirring roller; 46. a second discharge pipe; 47. a second valve; 5. a filter assembly; 51. a filter box; 52. a third motor; 53. a drive rod; 54. a centrifuge bucket; 55. a liquid storage chamber; 56. filtering holes; 57. a waterproof bearing; 58. a second liquid outlet pipe; 59. a third valve; 510. a top cover; 6. a water pump; 7. a discharge pipe; 8. a feed pipe; 9. a first liquid outlet pipe; 10. a first valve.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Referring to fig. 1-2, the present invention provides a technical solution of a pretreatment device for veterinary drug residue analysis: the utility model provides a preceding processing apparatus among animal remedy residual analysis, including rack 1, grinding unit 2 and extraction solvent box 3 are installed respectively to rack 1's top, rack 1's internally mounted has mixing assembly 4, filtering component 5 and water pump 6 are installed to one side, water pump 6's the end of intaking forms fixed connection structure through discharging pipe 7 and second discharging pipe 46, the water outlet end then is connected with inlet pipe 8, the free end of inlet pipe 8 runs through the lateral wall of top cap 510 and extends to the inside of centrifugal bucket 54, extract the bottom of solvent box 3 and install the first drain pipe 9 that is linked together, the exit end of first drain pipe 9 is located directly over mixing box 44, and its outside cover has connect first valve 10, this equipment collects the feeding, the shredding grinding, mix and centrifugal filtration as an organic whole, not only improved preceding processing efficiency, and full-run automation is operated, labour saving and time saving more, The safety and reliability are realized, and the occupation of the space area is reduced, so that the use convenience is improved.

Referring to fig. 3-6, the grinding assembly 2 includes a grinding box 21, a first motor 22 and a blower 23, a drug pulverizing box 24 and an air duct 25 are respectively installed inside the grinding box 21 from top to bottom, a roller rod 26 penetrates through the drug pulverizing box 24, a plurality of sets of pulverizing blades 27 are sleeved outside the roller rod 26, a plurality of feeding nozzles 28 are installed around the bottom of the air duct 25, a first shaft lever 29, a second shaft lever 210 and a third shaft lever 211 penetrate through the bottom of the grinding box 21 and below the feeding nozzles 28, a first grinding gear 212, a second grinding gear 213 and a third grinding gear 214 are respectively sleeved outside the first shaft lever 29, the second shaft lever 210 and the third shaft lever 211, a fixed connection structure is formed by an air inlet end of the blower 23 and the air duct 25 through an air exhaust pipe 215, a fixed connection structure is formed by an air outlet pipe 216 and the grinding box 21, the bottom of the medicine crushing box 24 and the grinding box 21 are respectively provided with a plurality of first sieve holes 217 and second sieve holes 218 which are equidistant, the bottom of the grinding box 21 and the outside of the second sieve holes 218 are connected with a discharge hopper 219, the diameter of the first sieve holes 217 is larger than that of the second sieve holes 218, the diameter of the filter holes 56 is smaller than that of the second sieve holes 218, the bottom of the discharge hopper 219 is provided with a first discharge pipe 2110 which is communicated with the bottom, the discharge end of the first discharge pipe 2110 is positioned right above the mixing box 44, the roller 26 and the outside of the first shaft lever 29 are sleeved with a belt pulley set 2112, the power driving end of the first motor 22 is connected with the roller 26, the top of the medicine crushing box 24 is provided with a feed hopper 2111, under the meshing action of the first grinding gear 212, the second grinding gear 213 and the third grinding gear 214, the belt pulley set 2112 is driven to rotate by the first motor 22, so that the effect of firstly crushing and then grinding the medicine can be achieved, the double crushing setting of this structure not only can improve the kibbling fineness of medicine, but also has further improved grinding efficiency, in addition, under the effect of feed inlet 28 and tuber pipe 25, through starting fan 23, still can put in the medicine that does not grind again to grinding case 21 in, carries out manifold cycles and grinds, has not only prevented that the medicine is extravagant, but also has avoided second sieve mesh 218 to block up, and then has ensured the efficiency of unloading.

Referring to fig. 10, the mixing assembly 4 includes a second motor 42, a speed reducer 43 and two symmetrical U-shaped supporting legs 41, the inner sides of the two U-shaped supporting legs 41 form a fixed connection structure together through a mixing box 44, a stirring roller 45 penetrates through the mixing box 44, the power driving end of the second motor 42 is connected to the speed reducer 43, the output end of the speed reducer 43 is connected to the stirring roller 45, a second discharging pipe 46 penetrating through the mixing box 44 is installed at one end of the bottom of the mixing box 44, a second valve 47 is sleeved outside the second discharging pipe 46, the second motor 42 and the speed reducer 43 drive the stirring roller 45 to rotate, so that the medicine and the extraction solvent can be uniformly mixed, and thus the fusion between the medicine and the extraction solvent is ensured.

Referring to fig. 7-9, the filtering assembly 5 includes a filtering tank 51 and a third motor 52, a power driving end of the third motor 52 is connected to a centrifugal barrel 54 through a driving rod 53, the centrifugal barrel 54 is located inside the filtering tank 51, a liquid storage cavity 55 is disposed between the centrifugal barrel 54 and the filtering tank 51, a plurality of filtering holes 56 are formed inside the liquid storage cavity 55, a waterproof bearing 57 is installed at a joint of the driving rod 53 and the filtering tank 51, a second liquid outlet pipe 58 communicated with the liquid storage cavity 55 is installed at the bottom of the filtering tank 51, a third valve 59 is sleeved outside the second liquid outlet pipe 58, a top cover 510 is screwed on the top of the filtering tank 51, the centrifugal barrel 54 is driven by the third motor 52, and the filtering of the medicine can be achieved under the action of centrifugal force.

The working principle of the invention is as follows: in use, the medicine is poured into the medicine pulverizing box 24 from the feeding hopper 2111, then the first motor 22 is started, under the action of the pulley set 2112, the roller 26 and the first shaft 29 are driven to rotate synchronously, when the roller 26 rotates, under the action of the pulverizing blade 27, the medicine in the medicine pulverizing box 24 can be pulverized, when the medicine particle is smaller than the first sieve pore 217, the medicine particle can directly fall on the mesh of the first grinding gear 212, the second grinding gear 213 and the third grinding gear 214, because the three are meshed, the pulverized medicine can be ground along with the rotation of the first shaft 29, if the particle is smaller than the second sieve pore 218, the particle falls into the mixing box 44 through the discharging hopper 219 and the first discharging pipe 2110, and for the medicine particle which is larger than the second sieve pore 218 and is not ground, the fan 23 can be started, under the action of the exhaust pipe 215, the air pipe 25, the feeding nozzle 28 and the air outlet pipe 216, the granules can be sucked out of the grinding box 21 and put above the first grinding gear 212, the second grinding gear 213 and the third grinding gear 214 again, and the circulation grinding is performed for a plurality of times until the granules are ground to flow out of the second sieve holes 218, so that the waste of the medicine and the blockage of the second sieve holes 218 are avoided.

After the medicine is completely ground and falls into the mixing box 44, the first valve 10 can be opened, the extraction solvent in the extraction solvent box 3 can be poured into the mixing box 44 under the action of the height difference, at the moment, the second motor 42 can be started, and the stirring roller 45 in the second motor can be driven to rotate under the action of the speed reducer 43, so that the extraction solvent and the medicine can be fully and uniformly mixed.

After mixing, open second valve 47, start water pump 6, under the effect of discharging pipe 7 and inlet pipe 8, can carry the medicine to in the centrifugation bucket 54, start third motor 52 this moment, its power drive end is under the effect of actuating lever 53, can drive centrifugation bucket 54 and carry out high-speed rotation, thereby reach filterable effect, and the liquid after the filtration then can flow out through second drain pipe 58, and by the particulate matter of filtration pore 56 isolation, can open top cap 510 and can take out it.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pretreatment device in veterinary drug residue analysis comprises a placing rack (1), and is characterized in that a grinding component (2) and an extraction solvent box (3) are respectively installed at the top of the placing rack (1), a mixing component (4) is installed inside the placing rack (1), and a filtering component (5) and a water pump (6) are installed on one side of the placing rack;

the grinding assembly (2) comprises a grinding box (21), a first motor (22) and a fan (23), a medicine crushing box (24) and an air pipe (25) are respectively installed inside the grinding box (21) from top to bottom, a roller rod (26) penetrates through the medicine crushing box (24), a plurality of groups of crushing blades (27) are sleeved outside the roller rod (26), a plurality of feeding nozzles (28) are installed on the periphery of the bottom of the air pipe (25), a first shaft lever (29), a second shaft lever (210) and a third shaft lever (211) penetrate through the bottom of the grinding box (21) and below the feeding nozzles (28), a first grinding gear (212), a second grinding gear (213) and a third grinding gear (214) which are meshed with each other are sleeved outside the first shaft lever (29), the second shaft lever (210) and the third shaft lever (211) respectively, the air inlet end of the fan (23) forms a fixed connection structure communicated with the air pipe (25) through the exhaust pipe (215), and the air outlet pipe forms a fixed connection structure communicated with the grinding box (21) through the air outlet pipe (216).

2. The pretreatment device for veterinary drug residue analysis according to claim 1, wherein the mixing assembly (4) comprises a second motor (42), a speed reducer (43) and two symmetrical U-shaped supporting legs (41), the inner sides of the two U-shaped supporting legs (41) jointly form a fixed connection structure through a mixing box (44), and a stirring roller (45) penetrates through the mixing box (44).

3. The pretreatment device in veterinary drug residue analysis according to claim 1, wherein the filter assembly (5) comprises a filter box (51) and a third motor (52), the power-driven end of the third motor (52) is connected with a centrifugal barrel (54) through a drive rod (53), the centrifugal barrel (54) is located inside the filter box (51), a liquid storage cavity (55) is arranged between the centrifugal barrel and the filter box, and a plurality of filter holes (56) are formed in the liquid storage cavity (55).

4. The pretreatment device for veterinary drug residue analysis according to claim 1, wherein the bottom of the drug pulverizing box (24) and the grinding box (21) are respectively provided with a plurality of first sieve holes (217) and second sieve holes (218) which are equidistant, the bottom of the grinding box (21) and the outside of the second sieve holes (218) are connected with a discharge hopper (219), and the bottom of the discharge hopper (219) is provided with a first discharge pipe (2110) communicated with each other.

5. The pretreatment device for veterinary drug residue analysis according to claim 4, wherein the discharge end of the first discharge pipe (2110) is located right above the mixing box (44), the roller rod (26) and the first shaft rod (29) are sleeved with a pulley set (2112), the power-driven end of the first motor (22) is connected with the roller rod (26), and the top of the drug pulverizing box (24) is provided with a feed hopper (2111).

6. The pretreatment device in veterinary drug residue analysis according to claim 2, wherein a second through-going discharge pipe (46) is installed at one end of the bottom of the mixing box (44), a second valve (47) is sleeved outside the second discharge pipe (46), the power driving end of the second motor (42) is connected with a speed reducer (43), and the output end of the speed reducer (43) is connected with the stirring roller (45).

7. The pretreatment device for veterinary drug residue analysis according to claim 3, wherein a waterproof bearing (57) is installed at the joint of the driving rod (53) and the filter box (51), a second liquid outlet pipe (58) communicated with the liquid storage cavity (55) is installed at the bottom of the filter box (51), a third valve (59) is sleeved outside the second liquid outlet pipe (58), and a top cover (510) is connected to the top of the filter box (51) in a threaded manner.

8. The pretreatment device for veterinary drug residue analysis according to claim 4, wherein the diameter of the first sieve mesh (217) is larger than that of the second sieve mesh (218), the diameter of the filter hole (56) is smaller than that of the second sieve mesh (218), the bottom of the extraction solvent box (3) is provided with a first liquid outlet pipe (9) which is communicated with the first sieve mesh, the outlet end of the first liquid outlet pipe (9) is positioned right above the mixing box (44), and the first valve (10) is sleeved outside the first liquid outlet pipe.

9. The pretreatment device for veterinary drug residue analysis according to claim 7, wherein the water pump (6) has a water inlet end connected to the second discharge pipe (46) via the discharge pipe (7) and a water outlet end connected to the feed pipe (8), and the free end of the feed pipe (8) penetrates through the side wall of the top cover (510) and extends into the centrifugal barrel (54).