Sampling device for food safety inspection
Technical Field
The invention relates to the field of food detection equipment, in particular to a sampling device for food safety detection.
Background
The national indexes are installed to detect harmful substances in food during food safety detection, mainly the detection of harmful and toxic indexes, such as heavy metal, aflatoxin and the like, one important aspect of food science and engineering is to introduce and apply uterine curettage unit operation and develop into food engineering unit operation, thereby promoting the development of food industry to large scale, serialization and automation, the food detection sampling device is one of necessary devices in food safety detection work, the existing food detection device lacks flexibility, the sampling efficiency is low, most of the food can only sample solid food or liquid food alone, and the sampling operation is inconvenient according to different food states. Therefore, a sampling device for food safety detection is provided.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a sampling device for food safety detection.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
the utility model provides a sampling device for food safety inspection, includes "T" type base, the power chamber has been seted up to the inside of "T" type base, the inside in power chamber is equipped with the power component of the "7" type pivot of drive liftable, the end of "7" type pivot is equipped with the stock solution pipe rather than integrated into one piece, the bottom activity joint of stock solution pipe has rather than being linked together and by driver driven installation head, the bottom fixed mounting of installation head has porous sucking disc, porous sucking disc's bottom is located its center department spiro union and has the pipette, and the arc cutter is installed in its one side department to the bottom of porous sucking disc is located its one side department, one side of stock solution pipe is equipped with the subassembly of bleeding rather than being linked together, one side that the top of "T" type base is located the power chamber is equipped with sample splendid.
Furthermore, the power assembly comprises a driving gear which is arranged in the power cavity and driven by a motor a, and a driven gear fixedly connected with the 7-shaped rotating shaft is meshed on the driving gear.
Further, the mounting head comprises a connecting ring, an annular clamping groove clamped with the clamping ring on the liquid storage pipe is formed in the connecting ring, a rotating ring integrally formed with the connecting ring is arranged at the bottom of the connecting ring, and a mounting barrel with a plurality of through holes is fixedly mounted inside the rotating ring.
Furthermore, the driver comprises two mounting blocks fixedly mounted on the 7-shaped rotating shaft, a supporting plate is connected below the two mounting blocks through a connecting rod, a transmission disc driven by a motor b fixed on the motor frame is mounted on the supporting plate, and the transmission disc is connected with the rotating ring through a transmission belt.
Further, the pipette comprises a pipe body, and a screwed pipe which is integrally formed with the pipe body and is screwed with the screwed hole at the bottom of the porous sucker is arranged at the top of the pipe body.
Further, the air exhaust assembly comprises a top plate and a bottom plate which are fixed on the liquid storage pipe, the top plate and the bottom plate are connected through a support plate, an air exhauster arranged on the bottom plate is mounted on the support plate, an air guide pipe which is communicated with the liquid storage pipe and is provided with a valve is arranged on the air exhauster, and an isolation film which can block liquid and can allow air to pass through is mounted at one end of the air guide pipe, which is located at the liquid storage pipe.
Further, sample splendid attire subassembly is including placing the inside splendid attire pipe of the standing groove on "T" type base, the below that the inside of "T" type base is located the standing groove is equipped with the refrigeration chamber, the internally mounted in refrigeration chamber has the refrigerator, the top of refrigerator is equipped with the flow equalizing plate of installing on the refrigeration chamber.
Furthermore, a plurality of long homogenizing holes are uniformly distributed on the flow equalizing plate, and flower-shaped homogenizing holes located on the flow equalizing plate are arranged between the long homogenizing holes.
Furthermore, a maintenance opening is formed in the top, located in the power cavity, of the T-shaped base, a supporting ring which is integrally formed with the maintenance opening is arranged on the maintenance opening, a panel which is matched with the maintenance opening and is connected with the T-shaped base through a connecting structure is placed on the supporting ring, and a plurality of heat dissipation slotted holes are formed in the panel.
Furthermore, the connecting structure comprises a connecting plate, and the connecting plate is connected with the T-shaped base and the panel through screws.
The invention can carry out sampling operation according to different food states, when solid food needs to be detected, the pipette is taken down, the food is cut off by the arc-shaped cutter, the air exhaust component is started, the porous sucker sucks up the food under the action of the air exhaust component, the power component is started to drive the 7-shaped rotating shaft to rotate, the valve is closed after the porous sucker moves to the upper part of the sample containing component, the food falls into the sample containing component under the action of gravity, when liquid food needs to be detected, the pipette is installed, the driver is started, the driver drives the installation head to rotate to stir and mix the liquid food, the air exhaust component is started after mixing, the liquid food enters the liquid storage pipe under the action of the air exhaust component, the 7-shaped rotating shaft is lifted, the power component is started to drive the 7-shaped rotating shaft to rotate, the valve is closed after the pipette moves to the upper part of the sample containing component, the food product falls under gravity into the sample containment assembly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic view of the liquid food in a sampling state according to the present invention;
FIG. 2 is another schematic view of the liquid food in a sampling state according to the present invention;
FIG. 3 is a schematic view of the structure of the solid food of the present invention in a sampling state;
fig. 4 is a schematic view of the structure of a pipette of the present invention;
FIG. 5 is a schematic diagram of a portion of the structure of FIG. 1 in accordance with the present invention;
FIG. 6 is an exploded view of a portion of the structure of FIG. 5 in accordance with the present invention;
FIG. 7 is another angle schematic of FIG. 6 of the present invention;
FIG. 8 is a schematic view of a portion of the "T" shaped base of the present invention;
FIG. 9 is a schematic view of another angular configuration of FIG. 8 in accordance with the present invention;
FIG. 10 is a side view of the invention of FIG. 9;
FIG. 11 is a schematic view of the structure of the flow equalizing plate of the present invention.
The reference numbers in the figures illustrate: 1- 'T' -shaped base, 2-radiating slot holes, 3-panel, 4-connecting plate, 5-containing tube, 6- '7' -shaped rotating shaft, 7-connecting rod, 8-motor b, 9-mounting block, 10-top plate, 11-air duct, 12-liquid storage tube, 13-connecting ring, 14-rotating ring, 15-driving belt, 16-arc cutter, 17-tube body, 18-bottom plate, 19-motor frame, 20-air extractor, 21-screw, 22-bearing plate, 23-porous suction cup, 24-screwed hole, 25-supporting plate, 26-screwed tube, 27-driving plate, 28-valve, 29-mounting cylinder, 30-through hole, 31-snap ring, 32-annular clamping groove, 33-isolating membrane, 34-a placing groove, 35-a maintenance port, 36-a supporting ring, 37-a driven gear, 38-a driving gear, 39-a motor a, 40-a flow equalizing plate, 41-a refrigerator, 42-a refrigeration cavity, 43-a long-shaped homogeneous hole and 44-a flower-shaped homogeneous hole.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 11, the present embodiment provides a sampling device for food safety inspection, which comprises a "T" shaped base 1, a power cavity is arranged in the T-shaped base 1, a power component for driving a liftable 7-shaped rotating shaft 6 is arranged in the power cavity, the tail end of the 7-shaped rotating shaft 6 is provided with a liquid storage tube 12 which is integrally formed with the rotating shaft, the bottom of the liquid storage tube 12 is movably clamped with an installation head which is communicated with the liquid storage tube and is driven by a driver, a porous sucker 23 is fixedly arranged at the bottom of the mounting head, a pipette is screwed at the center of the bottom of the porous sucker 23, an arc-shaped cutter 16 is arranged at one side of the bottom of the porous sucker 23, and an air exhaust assembly communicated with the liquid storage pipe 12 is arranged on one side of the liquid storage pipe, and a sample containing assembly is arranged on one side, located in the power cavity, of the top of the T-shaped base 1.
When the solid food needs to be detected, the pipette is taken down, the arc-shaped cutter 16 cuts off a piece of food and then the air exhaust assembly is started, under the action of the air exhaust component, the porous sucker 23 sucks up food, the power component is started, the 7-shaped rotating shaft 6 is driven to rotate, the valve 28 is closed after the porous sucker 23 moves to the position above the sample containing component, the food falls into the sample containing component under the action of gravity, when liquid food needs to be detected, the liquid suction pipe is arranged, the driver is started, the driver drives the mounting head to rotate, the liquid food is stirred and mixed, the air exhaust component is started after mixing, under the action of the air exhaust assembly, liquid food enters the liquid storage pipe 12, the 7-shaped rotating shaft 6 is lifted, the power assembly is started, the 7-shaped rotating shaft 6 is driven to rotate, the liquid suction pipe moves to the position above the sample containing assembly, then the valve 28 is closed, and the food falls into the sample containing assembly under the action of gravity.
Preferably, the power assembly comprises a driving gear 38 which is arranged in the power cavity and driven by a motor a39, and a driven gear 37 fixedly connected with the 7-shaped rotating shaft 6 is meshed on the driving gear 38.
The motor a39 drives the driving gear 38 to rotate and further drives the driven gear 37 to rotate, so as to achieve the purpose of driving the 7-shaped rotating shaft 6 to rotate.
Preferably, the mounting head comprises a connecting ring 13, an annular clamping groove 32 clamped with a clamping ring 31 on the liquid storage pipe 12 is formed in the connecting ring 13, a rotating ring 14 integrally formed with the connecting ring 13 is arranged at the bottom of the connecting ring 13, and a mounting cylinder 29 with a plurality of through holes 30 is fixedly mounted in the rotating ring 14.
Carry out swing joint through ring groove 32 and snap ring 31 between go-between 13 and the liquid storage tube 12, make things convenient for the rotatory ring 14 of driver drive to rotate, and then it is rotatory to drive the pipette, and installation section of thick bamboo 29, rotatory ring 14, porous sucking disc 23 and liquid storage tube 12 intercommunication make things convenient for the liquid food sample to get into in the liquid storage tube 12, also make things convenient for the passage of air.
Preferably, the driver comprises two mounting blocks 9 fixedly mounted on the 7-shaped rotating shaft 6, a supporting plate 25 is connected below the two mounting blocks 9 through a connecting rod 7, a transmission disc 27 driven by a motor b8 fixed on the motor frame 19 is mounted on the supporting plate 25, and the transmission disc 27 is connected with the rotating ring 14 through a transmission belt 15.
Motor b8 drive transmission dish 27 rotates, drives rotatory ring 14 and rotates and then reach the rotatory purpose of drive pipette under the drive action of drive belt 15, realizes the stirring to liquid food, avoids food to lead to inhomogeneous because of standing for a long time, influences the accuracy of sample.
Preferably, the pipette comprises a tube body 17, and the top of the tube body 17 is provided with a screw 26 tube which is integrally formed with the tube body and is screwed with the screw hole 24 at the bottom of the porous suction cup 23.
The tube body 17 is convenient to mount and dismount, and the conversion of sampling between liquid food and solid food can be realized.
Preferably, the air extracting assembly comprises a top plate 10 and a bottom plate 18 which are fixed on the liquid storage pipe 12, the top plate 10 and the bottom plate 18 are connected through a support plate 22, an air extractor 20 which is arranged on the bottom plate 18 is arranged on the support plate 22, an air guide pipe 11 which is communicated with the liquid storage pipe 12 and is provided with a valve 28 is arranged on the air extractor 20, and a separation film 33 which can separate liquid and can allow air to pass through is arranged at one end of the air guide pipe 11, which is positioned on the liquid storage pipe 12.
The setting of barrier film 33 can make the function that the gas can realize evacuating through, and the barrier film can prevent liquid food to get into air duct 11 simultaneously and make it detain in stock solution pipe 12.
Preferably, the sample containing assembly comprises a containing pipe 5 placed inside a placing groove 34 on a T-shaped base 1, a refrigerating cavity 42 is arranged below the placing groove 34 inside the T-shaped base 1, a refrigerator 41 is installed inside the refrigerating cavity 42, and a flow equalizing plate 40 installed on the refrigerating cavity 42 is arranged above the refrigerator 41.
The refrigerator 41 and the flow equalizing plate 40 are arranged to keep the inside of the placing groove 34 in a low temperature state, thereby preventing the sample from deteriorating.
Preferably, a plurality of uniformly distributed elongated homogenizing holes 43 are formed in the flow equalizing plate 40, and pattern-type homogenizing holes 44 located on the flow equalizing plate 40 are formed between the elongated homogenizing holes 43.
The flow equalizing plate 40 is provided with long homogenizing holes 43 and flower-shaped homogenizing holes 44 which are matched with each other and arranged in a staggered manner, so that the purpose of uniformly distributing cold air below the placing groove 34 is achieved.
Preferably, a maintenance opening 35 is formed in the top, located in the power cavity, of the T-shaped base 1, a supporting ring 36 integrally formed with the maintenance opening 35 is arranged on the maintenance opening 35, a panel 3 matched with the maintenance opening 35 and connected with the T-shaped base 1 through a connecting structure is placed on the supporting ring 36, and a plurality of heat dissipation slotted holes 2 are formed in the panel 3.
The power assembly in the power cavity is convenient to maintain, the heat in the power cavity can be discharged through the arrangement of the heat dissipation slotted holes 2, the service life of the power assembly is prolonged, the panel 3 can be supported through the arrangement of the supporting ring 36, and the power assembly is convenient to mount and dismount.
Preferably, the connection structure comprises a connection plate 4, and the connection plate 4 is connected with the T-shaped base 1 and the panel 3 through screws 21.
The connecting plate 4 connects the T-shaped base 1 and the panel 3 and is fixed by screws, so that the panel 3 is convenient to detach and mount.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.