CN113893908A

CN113893908A - Microbial detection pretreatment device and microbial detector comprising same

Info

Publication number: CN113893908A
Application number: CN202111138737.6A
Authority: CN
Inventors: 张明; 王明乾; 张启成; 其他发明人请求不公开姓名
Original assignee: Nanjing Jiatong Weina Technology Co ltd
Current assignee: Nanjing Jiatong Weina Technology Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-01-07

Abstract

The invention relates to the technical field of microbial detection, in particular to a microbial detection pretreatment device and a microbial detector comprising the same. According to the invention, the materials added with the enrichment fluid are ground and filtered for three times, so that the pretreatment effect of the materials is better, the efficiency is higher, and the accuracy of the detection result is improved; the second material guide pipe is separated from the first material guide pipe, then the filtering box body is moved, the second box cover is opened, the filtering basket can be taken out from the filtering box body, and residues in the filtering basket are convenient to clean.

Description

Microbial detection pretreatment device and microbial detector comprising same

Technical Field

The invention relates to the technical field of microbial detection, in particular to a microbial detection pretreatment device and a microbial detector comprising the same.

Background

The food microbiological examination is one of the important indexes for measuring the food sanitation quality and is also one of the scientific bases for judging whether the detected food is eaten or not. Through food microbiological examination, the food processing environment and the food sanitation condition can be judged, the degree of the food polluted by bacteria can be correctly evaluated, and a scientific basis is provided for various sanitation management works.

The patent with the application number of CN201920314935.5 discloses a pretreatment device for food microorganism detection, which comprises a bracket and a first rotating shaft, wherein a crushing box body is arranged between a left supporting rod and a right supporting rod of the bracket, through holes are formed in the left side and the right side of the crushing box body, and the first rotating shaft penetrates through the through holes; a first gear is fixed on the right side surface of the crushing box body, a second rotating shaft is fixed on the supporting rod on the side, and a rotating disc and a second gear are respectively connected to two ends of the second rotating shaft; the second gear is meshed with the first gear; a plurality of cutters are fixed on the first rotating shaft inside the crushing box body.

Above-mentioned preprocessing device for food microbiological detection can only carry out once to the material and smash to the material can not be when smashing, add the enrichment fluid, still need follow-up operation, make the treatment effeciency low.

Therefore, a pretreatment device for detecting microorganisms and a microorganism detector including the same are provided.

Disclosure of Invention

The present invention is directed to a pretreatment device for microbial detection and a microbial detector including the same, which solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a microbial detection pretreatment device comprises a crushing box body, wherein the upper end of the crushing box body is fixedly connected with a first box cover through bolts, the middle part of the upper end of the first box cover is communicated with a feed hopper, two groups of crushing rollers are rotatably connected in the crushing box body through bearings, the lower end of the inner side wall of the crushing box body is fixedly connected with a static grinding block, the middle part of the inner lower side wall of the crushing box body is rotatably connected with a first rotating shaft through bearings, the upper end of the first rotating shaft is fixedly connected with a movable grinding block, the movable grinding block is matched with the static grinding block, a gap is reserved between the movable grinding block and the static grinding block, the upper end of the movable grinding block is fixedly connected with a second rotating shaft, the surface of the second rotating shaft is fixedly connected with a crushing blade, the lower end of the crushing box body is provided with a filtering box body, the upper end of the filtering box body is fixedly connected with a second box cover through bolts, the lower end of the crushing box body is communicated with two groups of first guide pipes, the utility model discloses a filter box, including first case lid, second case lid, first baffle pipe, second case lid upper end intercommunication has two sets of second baffle pipes, through flange joint between second baffle pipe and the first baffle pipe, second case lid middle part is rotated through the bearing and is connected with the third pivot, third pivot fixed surface is connected with stirring vane, filter box inside wall fixedly connected with accepts the boss, second case lid lower extreme circumference equidistance fixedly connected with connecting rod, the common fixedly connected with of connecting rod lower extreme filters the basket.

Preferably, crushing box right side fixed mounting has first motor, the output shaft and the rear side of first motor crushing roller fixed connection, crushing roller left side fixed mounting has the belt pulley, and is two sets of connect through belt transmission between the belt pulley.

This setting is through first motor work, and the drive rear side is smashed the roller and is rotated, through belt transmission to make the front side smash the roller and rotate simultaneously, and then carry out primary crushing to the material through two sets of crushing rollers.

Preferably, a second motor is fixedly installed in the middle of the lower end of the crushing box body, and an output shaft of the second motor is fixedly connected with the first rotating shaft.

This setting is through the work of second motor, drives first pivot and rotates for move the grinding block and rotate.

Preferably, a first valve is installed on the first material guide pipe.

This arrangement controls the flow rate of the first guide tube through the first valve.

Preferably, a third motor is fixedly mounted at the upper end of the second box cover, and an output shaft of the third motor is fixedly connected with the third rotating shaft.

This arrangement is operated by the third motor, which drives the third shaft to rotate, so that the stirring vanes rotate.

Preferably, the filtering basket comprises a basket body and a convex edge integrally connected to the upper end of the outer side of the basket body, the convex edge is located at the upper end of the bearing boss, and the basket body extends into the bearing boss.

This setting plays the effect of accepting to filtering the basket through accepting the boss, reduces the follow holding capacity of filtering basket self, prolongs the life of filtering the basket.

Preferably, the lower end of the filtering box body is communicated with a discharge pipe, and a second valve is installed on the discharge pipe.

This arrangement allows the material to be discharged from the tapping pipe by opening the second valve.

Preferably, the lower end of the outer side wall of the crushing box body and the lower end of the filtering box body are fixedly connected with supporting legs.

This arrangement supports the crush box and the filter box by means of legs.

Feeder hopper inside wall fixed mounting has annular spray tube, annular spray tube lower extreme circumference equidistance distributes and has the shower nozzle, the shower nozzle is to the inboard slope setting, annular spray tube right side intercommunication has the feed liquor pipe.

The device is communicated with an external bacteria increasing liquid source through a liquid inlet pipe, conveys the bacteria increasing liquid into an annular liquid spraying pipe, and then sprays the bacteria increasing liquid to materials through a spray head.

In order to achieve the above object, the present invention also provides a microbial detector including the pretreatment device for microbial detection.

Compared with the prior art, the invention has the beneficial effects that: the invention communicates an external bacteria increasing liquid source through a liquid inlet pipe, conveys bacteria increasing liquid to an annular liquid spraying pipe, sends materials into a feed hopper, sprays bacteria increasing liquid to the materials entering the feed hopper through a spray head, the materials sprayed with the bacteria increasing liquid enter a crushing box body, the materials entering the crushing box body firstly pass through two groups of crushing rollers, the materials are driven to rotate through a first motor, the crushing rollers at the rear side are driven to rotate through belt transmission, the crushing rollers at the front side are driven to rotate simultaneously, the materials are crushed for the first time through the two groups of crushing rollers, the first rotating shaft is driven to rotate through the operation of a second motor, a movable grinding block and a second rotating shaft are driven to rotate, a grinding blade is driven to rotate, the materials are crushed for the second time through a grinding blade, then the materials enter a gap between the movable grinding block and a static grinding block, and are crushed and ground for the third time through the combined action of the movable grinding block and the static grinding block, opening a first valve, guiding the crushed materials in the crushing box body into a filtering box body through a first material guide pipe and a second material guide pipe, filtering the materials through a filtering basket, filtering residues in the materials, enabling the solution containing functional bacteria to flow to the lower part of the filtering box body, working through a third motor, driving a third rotating shaft to rotate, enabling a stirring blade to rotate, stirring the materials entering the filtering box body, avoiding the blockage of the filtering basket caused by the materials, opening a second valve, discharging the solution containing the functional bacteria from a discharging pipe, performing three-time crushing and grinding on the materials added with the enrichment fluid, filtering, enabling the pretreatment effect of the materials to be better, the efficiency to be higher, and improving the accuracy of a detection result; the second material guide pipe is separated from the first material guide pipe, then the filtering box body is moved, the second box cover is opened, the filtering basket can be taken out from the filtering box body, and residues in the filtering basket are convenient to clean.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the pulverizing box of the present invention;

FIG. 3 is a schematic view of the feed hopper of the present invention;

fig. 4 is a schematic front view of the present invention.

In the figure: 1. a crushing box body; 2. a first cover; 3. a feed hopper; 4. a crushing roller; 5. static grinding block; 6. a first rotating shaft; 7. moving the grinding block; 8. a second rotating shaft; 9. a crushing blade; 10. a filter box body; 11. a second cover; 12. a first material guide pipe; 13. a second material guide pipe; 14. a third rotating shaft; 15. a stirring blade; 16. receiving the boss; 17. a connecting rod; 18. a filter basket; 19. a first motor; 20. a belt pulley; 21. a second motor; 22. a third motor; 23. a discharge pipe; 24. an annular liquid spray pipe; 25. a spray head; 26. a liquid inlet pipe.

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. 1-4, the present invention provides a technical solution: the utility model provides a processing apparatus before microbiological detection, is including smashing box 1, smash 1 upper ends of box and pass through the first case lid 2 of bolt fixedly connected with, 2 upper end middle part intercommunications of first case lid have

feeder hopper

3, 3 inside wall fixed mounting of feeder hopper have

annular spray pipe

24, 24 lower extreme circumference equidistance distributions of annular spray pipe have shower nozzle 25, shower nozzle 25 sets up to the inboard slope, 24 right side intercommunications of annular spray pipe have feed liquor pipe 26. The liquid inlet pipe 26 is communicated with an external bacteria increasing liquid source, bacteria increasing liquid is conveyed to the annular liquid spraying pipe 24, materials are sent into the feed hopper 3, the bacteria increasing liquid is sprayed to the materials entering the feed hopper 3 through the spray head 25, and the materials sprayed with the bacteria increasing liquid enter the crushing box body 1.

Smash in the box 1 and be connected with two sets of crushing rollers 4 through the bearing rotation, 1 right side fixed mounting of crushing box has first motor 19, output shaft and the rear side of first motor 19 crushing roller 4 fixed connection, crushing roller 4 left side fixed mounting has belt pulley 20, and is two sets of connect through belt transmission between the belt pulley 20. The material that enters into in smashing box 1 at first through between two sets of crushing rollers 4, through the work of first motor 19, the drive rear side crushing roller 4 rotates, through belt transmission to make front side crushing roller 4 rotate simultaneously, and then carry out primary crushing to the material through two sets of crushing rollers 4.

Smash 1 inside wall lower extreme fixedly connected with static grinding block 5 of box, it is connected with first pivot 6 through the bearing rotation to smash the lower lateral wall middle part in the box 1, 6 upper end fixedly connected with of first pivot moves grinding block 7, move grinding block 7 and static grinding block 5 phase-match, just it leaves the space to move between grinding block 7 and the static grinding block 5, move grinding block 7 upper end fixedly connected with

second pivot

8, 8 fixed surface in surface of second pivot are connected with crushing blade 9, smash 1 lower extreme middle part fixed mounting of box and have second motor 21, second motor 21's output shaft and 6 fixed connection of first pivot. Through second motor 21 work, drive first pivot 6 rotates for move grinding block 7 and rotate with second pivot 8, make crushing blade 9 rotate, carry out the regrinding through crushing blade 9 to the material, then the material enters into and moves in the space between grinding block 7 and the quiet grinding block 5, through moving grinding block 7 and quiet grinding block 5 combined action, carries out the cubic to smash the grinding to the material.

The filter box body 10 is arranged at the lower end of the crushing box body 1, the upper end of the filter box body 10 is fixedly connected with a second box cover 11 through bolts, the lower end of the crushing box body 1 is communicated with two groups of first material guide pipes 12, the upper end of the second box cover 11 is communicated with two groups of second material guide pipes 13, the second material guide pipes 13 are connected with the first material guide pipes 12 through flanges, and first valves are installed on the first material guide pipes 12. When the first valve is opened, the crushed materials in the crushing box body 1 can be guided into the filtering box body 10 through the first material guiding pipe 12 and the second material guiding pipe 13, and the second material guiding pipe 13 is detachably connected with the first material guiding pipe 12.

11 middle parts of second case lid are connected with third pivot 14 through the bearing rotation, 11 upper end fixed mounting of second case lid have third motor 22, third motor 22's output shaft and 14 fixed connection in third pivot, 14 fixed surface of third pivot are connected with stirring vane 15, filter 10 inside wall fixedly connected with of box and accept

boss

16, 11 lower extreme circumference equidistance fixedly connected with connecting rod 17 of second case lid, the common fixedly connected with of connecting rod 17 lower extreme filters basket 18, filter basket 18 and include basket and integrated into one piece connect in the chimb of basket outside upper end, the chimb is located accepts the 16 upper ends of boss, the basket stretches into inside accepting boss 16, it has discharging pipe 23 to filter 10 lower extremes of box, install the second valve on the discharging pipe 23. Filter the material through filtering basket 18, filter the residue in the material, make the solution flow direction that contains the function fungus filter box 10 below, work through third motor 22, drive third pivot 14 rotates, make stirring vane 15 rotate, stir the material that enters into in the filtering box 10, avoid the material to cause filtering basket 18 to block up, open the second valve, can follow discharging pipe 23 and locate the solution discharge that will contain the function fungus, separate second passage 13 and first passage 12, then will filter box 10 shift position, open second case lid 11, can take out filtering basket 18 from filtering box 10, be convenient for clear up the residue in the filtering basket 18.

In conclusion, compared with the prior art, the invention communicates an external bacteria increasing liquid source through a liquid inlet pipe 26, conveys bacteria increasing liquid to an annular liquid spraying pipe 24, sends the material into a feed hopper 3, sprays bacteria increasing liquid to the material entering the feed hopper 3 through a spray nozzle 25, the material sprayed with the bacteria increasing liquid enters a crushing box body 1, the material entering the crushing box body 1 firstly passes through the space between two groups of crushing rollers 4, works through a first motor 19, drives a rear side crushing roller 4 to rotate, drives the front side crushing roller 4 to rotate simultaneously through belt transmission, further carries out primary crushing on the material through two groups of crushing rollers 4, drives a first rotating shaft 6 to rotate through the work of a second motor 21, rotates a movable grinding block 7 and a second rotating shaft 8, rotates a crushing blade 9, carries out secondary crushing on the material through the crushing blade 9, and then the material enters the gap between the movable grinding block 7 and the static grinding block 5, through the combined action of the movable grinding block 7 and the static grinding block 5, the material is ground for three times, a first valve is opened, the ground material in the grinding box body 1 is guided into the filtering box body 10 through the first material guide pipe 12 and the second material guide pipe 13, the material is filtered through the filtering basket 18, residues in the material are filtered, the solution containing the functional bacteria flows to the lower part of the filtering box body 10, the third motor 22 works to drive the third rotating shaft 14 to rotate, the stirring blades 15 rotate to stir the material entering the filtering box body 10, the filtering basket 18 is prevented from being blocked by the material, the second valve is opened, and the solution containing the functional bacteria is discharged from the discharging pipe 23; the second guide duct 13 is separated from the first guide duct 12, and then the filter box 10 is moved to a position, and the second cover 11 is opened, so that the filter basket 18 can be taken out of the filter box 10, thereby facilitating the cleaning of the residue in the filter basket 18.

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. The utility model provides a processing apparatus before microbiological detection, is including smashing box (1), its characterized in that: the grinding device is characterized in that the upper end of the grinding box body (1) is fixedly connected with a first box cover (2) through bolts, the middle part of the upper end of the first box cover (2) is communicated with a feed hopper (3), the grinding box body (1) is internally connected with two sets of grinding rollers (4) through a bearing in a rotating way, the lower end of the inner side wall of the grinding box body (1) is fixedly connected with a static grinding block (5), the middle part of the inner side wall of the grinding box body (1) is connected with a first rotating shaft (6) through a bearing in a rotating way, the upper end of the first rotating shaft (6) is fixedly connected with a dynamic grinding block (7), the dynamic grinding block (7) is matched with the static grinding block (5), a gap is reserved between the dynamic grinding block (7) and the static grinding block (5), the upper end of the dynamic grinding block (7) is fixedly connected with a second rotating shaft (8), the surface of the second rotating shaft (8) is fixedly connected with a grinding blade (9), the lower end of the grinding box body (1) is provided with a filtering box body (10), filter box (10) upper end and pass through bolt fixedly connected with second case lid (11), smash box (1) lower extreme intercommunication and have two sets of first passage (12), second case lid (11) upper end intercommunication has two sets of second passage (13), pass through flange joint between second passage (13) and first passage (12), second case lid (11) middle part is rotated through the bearing and is connected with third pivot (14), third pivot (14) fixed surface is connected with stirring vane (15), filter box (10) inside wall fixedly connected with accepts boss (16), second case lid (11) lower extreme circumference equidistance fixedly connected with connecting rod (17), the common fixedly connected with filter basket (18) of connecting rod (17) lower extreme.

2. The pretreatment device for microorganism detection according to claim 1, wherein: smash box (1) right side fixed mounting have first motor (19), the output shaft and the rear side of first motor (19) crushing roller (4) fixed connection, crushing roller (4) left side fixed mounting has belt pulley (20), and is two sets of connect through belt transmission between belt pulley (20).

3. The pretreatment device for microorganism detection according to claim 1, wherein: a second motor (21) is fixedly mounted in the middle of the lower end of the crushing box body (1), and an output shaft of the second motor (21) is fixedly connected with the first rotating shaft (6).

4. The pretreatment device for microorganism detection according to claim 1, wherein: and a first valve is arranged on the first material guide pipe (12).

5. The pretreatment device for microorganism detection according to claim 1, wherein: and a third motor (22) is fixedly mounted at the upper end of the second box cover (11), and an output shaft of the third motor (22) is fixedly connected with a third rotating shaft (14).

6. The pretreatment device for microorganism detection according to claim 1, wherein: filter basket (18) including the basket and integrated into one piece connect in the chimb of basket outside upper end, the chimb is located accepts boss (16) upper end, the basket stretches into and accepts inside boss (16).

7. The pretreatment device for microorganism detection according to claim 1, wherein: the lower end of the filtering box body (10) is communicated with a discharge pipe (23), and a second valve is installed on the discharge pipe (23).

8. The pretreatment device for microorganism detection according to claim 1, wherein: the lower end of the outer side wall of the crushing box body (1) and the lower end of the filtering box body (10) are fixedly connected with supporting legs.

9. The pretreatment device for microorganism detection according to claim 1, wherein: feeder hopper (3) inside wall fixed mounting has annular spray tube (24), annular spray tube (24) lower extreme circumference equidistance distributes and has shower nozzle (25), shower nozzle (25) inboard slope sets up, annular spray tube (24) right side intercommunication has feed liquor pipe (26).

10. A microorganism detector comprising a pretreatment device for detecting microorganisms, characterized in that: comprising the pretreatment device for microbial detection according to any one of claims 1 to 9.