CN112985916A - Sampling device for food detection - Google Patents
Sampling device for food detection Download PDFInfo
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- CN112985916A CN112985916A CN202110359641.6A CN202110359641A CN112985916A CN 112985916 A CN112985916 A CN 112985916A CN 202110359641 A CN202110359641 A CN 202110359641A CN 112985916 A CN112985916 A CN 112985916A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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Abstract
The invention relates to a sampling device for food detection, which comprises a base, a fixing frame, an air suction device, an intermittent driving device, a sampling device, a placing seat and an extrusion rod, wherein the fixing frame is installed at the upper end of the base, the air suction device is installed at the front end of the fixing frame, the intermittent driving device is installed on the fixing frame, the sampling device is uniformly installed on the intermittent driving device, the placing seat is installed at the upper end of the fixing frame, and the extrusion rod is inserted into the placing seat. The invention can solve the problems that a small amount of liquid can leak due to untimely blockage when a container opening is blocked after the liquid food is extracted because the liquid food has certain fluidity, thereby reducing the sample amount, having lower efficiency of multi-group manual sampling and more troublesome operation, being difficult to carry out rapid sampling in a short time, having longer pause time of a production line during each sampling, and influencing the efficiency condition of the whole food processing.
Description
Technical Field
The invention relates to the technical field of food detection, in particular to a sampling device for food detection.
Background
With the improvement of living standard and health care consciousness of people, how to improve the quality of food and reduce the residue of harmful substances in food, the quality and safety of food guarantee are important tasks in the current food production and processing industry, in order to guarantee the food safety, the national food safety supervision department can carry out sampling detection on food circulating in the market at irregular intervals, and the sampling detection is mainly used for detecting the harmful substances in the food.
When detecting fluid food, through using multiunit sampling container air-suction type sample sealed again in proper order, often can meet some problems in actual operation:
1. because the fluid food has certain fluidity, when the mouth of the container is blocked after the fluid food is extracted, a small amount of liquid can leak due to untimely blockage, so that the sample amount is reduced;
2. the efficiency of multiunit manual sampling is lower, and the operation is more troublesome, is difficult to carry out quick sample in the short time for the time that the assembly line pauses when taking a sample at every turn is longer, thereby has influenced whole food processing's efficiency.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a sampling device for food detection, includes base, mount, gas suction means, intermittent drive device, sampling device, places seat and extrusion stem, and the mount is installed to the upper end of base, and gas suction means is installed to the front end of mount, installs intermittent drive device on the mount, evenly installs sampling device on the intermittent drive device, and the seat is placed to the upper end of mount installation, and it has inserted the extrusion stem on the seat to place.
The sampling device include a middle cylinder, an upper cylinder, a lower floor's section of thick bamboo, the embedding frame, the outer frame that hangs, two sealed lids, piston mechanism, two locking mechanical system and heat preservation chamber, an upper section of thick bamboo is installed to the upper end of a middle section of thick bamboo, a lower floor's section of thick bamboo is installed to the lower extreme of a middle section of thick bamboo, the lateral wall of a middle section of thick bamboo is provided with the embedding frame from top to bottom, outer frame, be connected for sliding fit between embedding frame and the middle section of thick bamboo, and be connected with work spring between embedding frame and the middle section of thick bamboo, it has two sealed lids to hang on the outer frame, square chamber has been seted up at the middle part of a middle section of thick bamboo, the internally mounted in square chamber has piston mechanism.
The piston mechanism comprises a sealing plate, a rubber ring, two locking frames, two connecting springs, two extrusion frames, a reset spring, an extrusion plate and two compression rods, wherein the rubber ring is sleeved on the outer side wall of the sealing plate and attached to the inner wall of the middle barrel, a working groove is formed in the sealing plate, the left end and the right end of the working groove are connected with the two locking frames in a sliding fit mode, the connecting springs are connected between the locking frames and the working groove, the extrusion frames are installed at the upper ends of the locking frames, the extrusion plate is connected with the upper end of the middle part of the working groove in a sliding fit mode, the two compression rods are installed at the left side and the right side of the lower end of the extrusion plate, the connecting springs and the reset spring play a role in resetting, when a sample needs to be taken out from the sealed middle barrel, the extrusion rods only need to be taken out to abut against the extrusion plate and pressed downwards, the compression rods which synchronously descend, thereby drive the inboard motion of locking frame, at this moment, locking frame and locking groove separation, later through closing plate, the rubber ring synchronous decline after the extrusion stem that descends after with the unblock, the decline in-process, the sealed piece separates gradually, and a middle section of thick bamboo lower extreme is opened gradually, extrudes the fluid sample in the section of thick bamboo in the middle of through closing plate, the rubber ring that descend.
Locking mechanical system include the link frame, the closing plate, first spring, receive the piece, second spring and sealed piece, the link frame is connected with the linkage groove through upper and lower sliding fit's mode, the closing plate is installed to the inboard of link frame upper end, be connected with first spring between the lower extreme of link frame and the linkage groove, the lower extreme inboard of link frame has drag reduction roller through round pin hub connection, drag reduction roller laminates with the inclined plane that receives the piece mutually, receive to be connected for sliding fit between piece and the linkage groove, and receive to be connected with the second spring between piece and the linkage groove, sealed piece is installed to the inboard that receives the piece, first spring, the second spring plays the effect that resets.
Drive sampling device intermittent type formula through intermittent type drive arrangement and rotate, when sampling device and air suction device alignment, the short time stall of sampling device, at this moment, it is downthehole until the extraction tube enters into packing bottle to drive sampling device whole decline through air suction device, the mode through air suction is with the closing plate, the whole upwards suction of rubber ring, the in-process that rises, the closing plate that rises makes progress the link frame and upwards moves, thereby its lower extreme extrusion of link frame that rises is pressed the piece and drives sealed piece inward movement, when the sealed board that rises moves locking frame and detains locking inslot, the stop rising this moment, inside the fluid in the bottle is inhaled middle section of thick bamboo, and sealed piece blocks the lower extreme of middle section of thick bamboo sealedly, later take out two sealed lids, respectively with an upper strata section of thick bamboo, lower floor section of thick bamboo threaded connection, thereby both ends carry out double-deck seal about to middle.
Preferably, the air suction device comprises a driving cylinder, a connecting frame, an alignment pipe, an extraction air pump and an extraction pipe, the driving cylinder is connected between the connecting frame and the fixing frame, the alignment pipe is installed in the middle of the connecting frame, the upper end of the alignment pipe is communicated with the extraction air pump, and the extraction pipe is installed at the lower end of the connecting frame.
Preferably, the intermittent driving device comprises a grooved wheel, a rotating block, a cylindrical pin, a rotary table, a motor and a rotating frame, wherein the rotating block is installed at the upper end of the grooved wheel, the rotating block is connected with the fixing frame in a rotating fit mode, the grooved wheel is meshed with the cylindrical pin, the cylindrical pin is installed on the rotary table, the rotary table is connected with an output shaft of the motor, the motor is installed on the fixing frame, and the rotating frame is installed at the lower end of the grooved wheel.
Preferably, the upper layer barrel and the lower layer barrel are barrels with the same structure and size, the upper layer barrel comprises an extrusion barrel, a rubber gasket, a sliding ring and a built-in spring, the rubber gasket is mounted on the lower end face of the extrusion barrel, the sliding ring is mounted at the lower end of the rubber gasket, the sliding ring is connected with the middle barrel in a sliding fit mode, and the built-in spring is connected between the sliding ring and the middle barrel.
Preferably, the inner cavity of the extrusion container is of a threaded structure, and a corner position of the upper end of the extrusion container is provided with a rounded corner structure.
Preferably, the embedding frame is hung on the rotating frame, and the upper end inside the middle barrel is symmetrically provided with locking grooves.
Preferably, the inclined surface of the locking frame is of a structure gradually inclined upwards from outside to inside, the inclined surface of the extrusion frame is of a structure gradually inclined upwards from outside to inside, and the lower end of the pressure receiving rod is connected with the extrusion roller through a pin shaft.
(II) advantageous effects
1. According to the sampling device for food detection, the sampling device is driven to rotate intermittently by virtue of the principle of a sheave mechanism, fluid is quickly sucked into the middle barrel in an automatic air suction mode, single-time sampling extraction is completed in a very short time, the influence on a food processing flow is reduced, the upper end and the lower end of the middle barrel are timely sealed by the sealing plate, the rubber ring and the sealing block by adopting a design idea of a linkage structure while sucking, the fluid is prevented from leaking, and then the upper barrel and the lower barrel at the upper end and the lower end of the middle barrel are sealed in a threaded connection mode, so that double-layer sealing is performed, and the sealing effect is improved;
2. according to the sampling device for food detection, when the sampling device rotates into the air suction device and is aligned, the sealing plate and the rubber ring are integrally sucked upwards through the air suction of the air pumping pump, at the moment, fluid in a packaging bottle can be pumped out, the efficiency is improved through mechanical suction, and the sucked quantity is relatively equal;
3. according to the sampling device for food detection, the sealing plate and the rubber ring in the piston mechanism serve as the piston, when the air pump is pumped, the piston type sealing plate and the rubber ring suck fluid in a packaging bottle into the middle cylinder, when the locking frame is clamped into the locking groove, the piston type sealing plate and the rubber ring stop rising, and at the moment, the sealing blocks are driven to draw close towards each other under the action of linkage type extrusion so as to seal the lower end of the middle cylinder, so that the upper end and the lower end of the middle cylinder are sealed in time, and secondary sealing is realized through the sealing cover, so that the leakage condition is prevented;
4. according to the sampling device for food detection, after the upper end and the lower end of the middle barrel are sealed, when a sample is extracted at the later stage, the positions of the sealing plate and the middle barrel are unlocked only by extrusion of the extrusion rod, the sealing plate is pushed downwards at the moment, the sealing block is gradually opened, the sample can be extruded from the lower end of the middle barrel, the operations of sealing and sample extraction of the sampling device are simple, and the operation difficulty is reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the sheave, the turning block, the cylindrical pin, the turntable and the sampling device of the present invention;
FIG. 3 is a cross-sectional view of the present invention between the mount, the suction device and the intermittent drive device;
FIG. 4 is an enlarged view of a portion of the invention at X of FIG. 3;
fig. 5 is a partial enlarged view of the invention at Y of fig. 3.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 5, a sampling device for food detection comprises a base 1, a fixing frame 2, an air suction device 3, an intermittent driving device 4, a sampling device 5, a placing seat 6 and an extrusion rod 7, wherein the fixing frame 2 is installed at the upper end of the base 1, the air suction device 3 is installed at the front end of the fixing frame 2, the intermittent driving device 4 is installed on the fixing frame 2, the sampling device 5 is evenly installed on the intermittent driving device 4, the placing seat 6 is installed at the upper end of the fixing frame 2, and the extrusion rod 7 is inserted into the placing seat 6.
The air suction device 3 comprises a driving cylinder 31, a connecting frame 32, an alignment pipe 33, an extraction air pump 34 and an extraction pipe 35, the driving cylinder 31 is connected between the connecting frame 32 and the fixing frame 2, the alignment pipe 33 is installed in the middle of the connecting frame 32, the upper end of the alignment pipe 33 is communicated with the extraction air pump 34, the extraction pipe 35 is installed at the lower end of the connecting frame 32, during specific work, when the middle cylinder 51 is aligned with the alignment pipe 33 and the extraction pipe 35 up and down, the connecting frame 32 is driven by the driving cylinder 31, the alignment pipe 33 and the extraction pipe 35 descend, the middle cylinder 51 is driven to descend until the extraction pipe 35 enters the packaging bottle, and then the sealing plate 571 and the rubber ring 572 are sucked out upwards integrally through air suction of the extraction air pump 34.
The intermittent driving device 4 comprises a grooved pulley 41, a rotating block 42, a cylindrical pin 43, a rotary table 44, a motor 45 and a rotating frame 46, wherein the rotating block 42 is installed at the upper end of the grooved pulley 41, the rotating block 42 is connected with the fixed frame 2 in a rotating fit mode, the grooved pulley 41 is meshed with the cylindrical pin 43, the cylindrical pin 43 is installed on the rotary table 44, the rotary table 44 is connected with an output shaft of the motor 45, the motor 45 is installed on the fixed frame 2, the rotating frame 46 is installed at the lower end of the grooved pulley 41, and the cylindrical pin 43 and the rotary table 44 are driven to rotate through the motor 45 according to the principle of a grooved pulley structure, so that the grooved.
The sampling device 5 comprises a middle cylinder 51, an upper cylinder 52, a lower cylinder 53, an embedding frame 54, an externally hanging frame 55, two sealing covers 56, a piston mechanism 57, two locking mechanisms 58 and a heat preservation cavity 59, wherein the upper end of the middle cylinder 51 is provided with the upper cylinder 52, the lower end of the middle cylinder 51 is provided with the lower cylinder 53, the side wall of the middle cylinder 51 is provided with the embedding frame 54 and the externally hanging frame 55 from top to bottom, the embedding frame 54 is connected with the middle cylinder 51 in a sliding fit manner, a working spring is connected between the embedding frame 54 and the middle cylinder 51, the two sealing covers 56 are hung on the externally hanging frame 55, the middle part of the middle cylinder 51 is provided with a square cavity, the piston mechanism 57 is installed in the square cavity, the left end and the right end of the middle cylinder 51 are provided with two linkage grooves, the locking mechanisms 58 are installed on the linkage grooves, the middle cylinder 51 is provided with an annular heat preservation cavity 59, the embedding frame 54, the upper end of the inner part of the middle barrel 51 is symmetrically provided with locking grooves.
The upper-layer barrel 52 and the lower-layer barrel 53 are barrels with the same structure and size, the upper-layer barrel 52 comprises an extrusion barrel 521, a rubber gasket 522, a sliding ring 523 and an internal spring 524, the rubber gasket 522 is installed on the lower end face of the extrusion barrel 521, the sliding ring 523 is installed at the lower end of the rubber gasket 522, the sliding ring 523 is connected with the middle barrel 51 in a sliding fit manner, the internal spring 524 is connected between the sliding ring 523 and the middle barrel 51, the internal spring 524 plays a reset role, the rubber gasket 522 and the internal spring 524 are designed to give a certain degree of flexibility to the upper end and the lower end of the middle barrel 51, so that when the middle barrel 51 enters the alignment pipe 33 and the extraction pipe 35, the middle barrel can enter the alignment pipe 33 and the extraction pipe 35 quickly, the sealing effect between the upper end and the lower end of the extrusion barrel 521 can be ensured, the corner position of the upper end of the extrusion barrel 521 is provided with a chamfered corner structure, and the design of the chamfered structure reduces the, Difficulty in extracting between the tubes 35.
The piston mechanism 57 comprises a sealing plate 571, a rubber ring 572, two locking frames 573, two connecting springs 574, two extrusion frames 575, a return spring 576, an extrusion plate 577 and two pressure receiving rods 578, the outer side wall of the sealing plate 571 is sleeved with the rubber ring 572, the rubber ring 572 is attached to the inner wall of the intermediate barrel 51, the sealing plate 571 is provided with a working groove, the left end and the right end of the working groove are connected with the two locking frames 573 in a sliding fit manner, the connecting springs 574 are connected between the locking frames 573 and the working groove, the upper end of the locking frames 573 is provided with the extrusion frames 575, the extrusion plate 577 is connected with the upper end of the middle part of the working groove in a sliding fit manner, the left side and the right side of the lower end of the extrusion plate 577 are provided with the two pressure receiving rods 578, the connecting springs 574 and the return spring 576 play a role in returning, when a sample needs to be taken out from, only by taking out the extrusion rod 7 and pressing it downward against the extrusion plate 577, the synchronously lowered compression rod 578 presses the extrusion frame 575 to move inward, thereby driving the locking frame 573 to move inward, at this time, the locking frame 573 is separated from the locking groove, and then the unlocked sealing plate 571 and the unlocked rubber ring 572 are synchronously lowered by the lowered extrusion rod 7, during the lowering process, the sealing block 586 is gradually separated, the lower end of the intermediate cylinder 51 is gradually opened, and the fluid sample in the intermediate cylinder 51 is extruded through the lowered sealing plate 571 and the lowered rubber ring 572.
The inclined plane of the locking frame 573 is of a gradually upward-inclined structure from outside to inside, so that the extrusion difficulty is reduced, the inclined plane of the extrusion frame 575 is of a gradually upward-inclined structure from outside to inside, so that the extrusion difficulty is reduced, and the lower end of the compression rod 578 is connected with the extrusion roller through a pin shaft.
Locking mechanical system 58 include linkage frame 581, the closing plate 582, first spring 583, receive the piece 584, second spring 585 and sealing block 586, linkage frame 581 is connected with the linkage groove through upper and lower sliding fit's mode, closing plate 582 is installed to the inboard of linkage frame 581 upper end, be connected with first spring 583 between the lower extreme of linkage frame 581 and the linkage groove, the lower extreme inboard of linkage frame 581 has drag reduction roller through round pin hub connection, drag reduction roller and the inclined plane of receiving the piece 584 are laminated mutually, be connected for sliding fit between receiving piece 584 and the linkage groove, and be connected with second spring 585 between receiving piece 584 and the linkage groove, sealing block 586 is installed to the inboard of receiving piece 584, first spring 583, second spring 585 plays the effect of reseing.
The intermittent driving device 4 drives the sampling device 5 to rotate intermittently, when the sampling device 5 is aligned with the air suction device 3, the sampling device 5 stops rotating for a short time, at the moment, the air suction device 3 drives the sampling device 5 to descend integrally until the extraction pipe 35 enters the packaging bottle mouth, the sealing plate 571 and the rubber ring 572 are sucked upwards by air suction, and during the lifting process, the ascending sealing plate 571 pushes the linkage frame 581 upward, the lower end of the ascending linkage frame 581 presses the pressed block 584 to drive the sealing block 586 to move inward, when the rising sealing plate 571 drives the locking frame 573 to be locked into the locking groove, the rising stops, the fluid in the bottle is sucked into the middle cylinder 51, and the sealing block 586 performs barrier sealing on the lower end of the middle tube 51, and then the two sealing caps 56 are taken out and screwed with the upper and lower tubes 52 and 53, respectively, thereby performing double-layer sealing on the upper and lower ends of the middle tube 51.
When in work:
placing: placing the base 1 at one side of a food conveying assembly line device, and positioning the extraction pipe 35 above a bottle mouth of a packaging bottle on the assembly line;
sampling: the intermittent driving device 4 drives the sampling device 5 to intermittently rotate, when the sampling device 5 is aligned with the air suction device 3, the sampling device 5 stops rotating for a short time, at the moment, the assembly line stops conveying for a short time, the extraction pipe 35 is aligned with the bottle mouth of one of the packaging bottles up and down, the air suction device 3 drives the sampling device 5 to integrally descend until the extraction pipe 35 enters the packaging bottle mouth, the sealing plate 571 and the rubber ring 572 are integrally sucked out upwards in an air suction mode, the ascending sealing plate 571 pushes the linkage frame 581 upwards in the ascending process, the lower end of the ascending linkage frame 581 extrudes the pressure block 584 to drive the sealing block 586 to move inwards, when the ascending sealing plate 571 drives the locking frame 573 to be buckled into the locking groove, the ascending is stopped at the moment, the fluid in the bottle is sucked into the middle cylinder 51, and the sealing block 586 blocks and seals the lower end of the middle cylinder 51, after sealing, the intermittent driving device 4 drives the sampling device 5 to continue rotating, so as to align the next sampling device 5 with the air suction device 3;
double-layer sealing, namely taking out the sealed sampling device 5, taking out the two sealing covers 56, and respectively connecting the sealing covers with the upper layer cylinder 52 and the lower layer cylinder 53 in a threaded manner so as to carry out double-layer sealing on the upper end and the lower end of the middle cylinder 51;
sample extrusion: the squeeze bar 7 is taken out and abutted against the squeeze plate 577 and pressed downward, the locking frame 573 is separated from the locking groove under the action of squeezing force, then the sealing plate 571 and the rubber ring 572 which are unlocked are synchronously descended through the descending squeeze bar 7, the sealing block 586 is gradually separated in the descending process, the lower end of the intermediate cylinder 51 is gradually opened, and the fluid sample in the intermediate cylinder 51 is extruded downward through the descending sealing plate 571 and the rubber ring 572.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a sampling device for food detection, includes base (1), mount (2), air suction device (3), intermittent type drive device (4), sampling device (5), places seat (6) and extrusion stem (7), its characterized in that: the upper end of the base (1) is provided with a fixed frame (2), the front end of the fixed frame (2) is provided with an air suction device (3), the fixed frame (2) is provided with an intermittent driving device (4), the intermittent driving device (4) is uniformly provided with sampling devices (5), the upper end of the fixed frame (2) is provided with a placing seat (6), and an extrusion rod (7) is inserted on the placing seat (6);
the sampling device (5) comprises a middle cylinder (51), an upper cylinder (52), a lower cylinder (53), an embedding frame (54), an external hanging frame (55), two sealing covers (56), a piston mechanism (57), two locking mechanisms (58) and a heat preservation cavity (59), wherein the upper cylinder (52) is installed at the upper end of the middle cylinder (51), the lower cylinder (53) is installed at the lower end of the middle cylinder (51), the embedding frame (54) and the external hanging frame (55) are arranged above and below the side wall of the middle cylinder (51), the embedding frame (54) is connected with the middle cylinder (51) in a sliding fit manner, a working spring is connected between the embedding frame (54) and the middle cylinder (51), the two sealing covers (56) are hung on the external hanging frame (55), a square cavity is formed in the middle of the middle cylinder (51), the piston mechanism (57) is installed inside the square cavity, two linkage grooves are formed in the left end and the right end of the middle cylinder (51, a locking mechanism (58) is arranged on the linkage groove, and an annular heat preservation cavity (59) is arranged on the middle cylinder (51);
the piston mechanism (57) comprises a sealing plate (571), a rubber ring (572), two locking frames (573), two connecting springs (574), two extrusion frames (575), a return spring (576), an extrusion plate (577) and two pressure receiving rods (578), the outer side wall of the sealing plate (571) is sleeved with a rubber ring (572), the rubber ring (572) is attached to the inner wall of the middle barrel (51), the sealing plate (571) is provided with a working groove, the left end and the right end of the working groove are connected with two locking frames (573) in a sliding fit mode, a connecting spring (574) is connected between each locking frame (573) and the working groove, the upper end of each locking frame (573) is provided with an extrusion frame (575), an extrusion plate (577) is connected with the upper end of the middle of the working groove in a sliding fit mode, and the left side and the right side of the lower end of the extrusion plate (577) are provided with two pressure receiving rods (578);
locking mechanical system (58) including linkage frame (581), closing plate (582), first spring (583), receive piece (584), second spring (585) and sealing block (586), linkage frame (581) are connected with the linkage groove through upper and lower sliding fit's mode, closing plate (582) are installed to the inboard of linkage frame (581) upper end, be connected with first spring (583) between the lower extreme of linkage frame (581) and the linkage groove, there is the drag reduction roller lower extreme inboard of linkage frame (581) through round pin hub connection, the oblique plane laminating of drag reduction roller and receiving piece (584), be sliding fit connection between receiving piece (584) and the linkage groove, and be connected with second spring (585) between receiving piece (584) and the linkage groove, sealing block (586) is installed to the inboard of receiving piece (584).
2. The sampling device for food detection according to claim 1, wherein: air suction device (3) including driving actuating cylinder (31), link (32), aim at pipe (33), extraction air pump (34), extraction pipe (35), be connected with between link (32) and mount (2) and drive actuating cylinder (31), the mid-mounting of link (32) has and aims at pipe (33), the upper end and the extraction air pump (34) intercommunication installation of aiming at pipe (33), extraction pipe (35) are installed to the lower extreme of link (32).
3. The sampling device for food detection according to claim 1, wherein: the intermittent driving device (4) comprises a grooved wheel (41), a rotating block (42), a cylindrical pin (43), a turntable (44), a motor (45) and a rotating frame (46), wherein the rotating block (42) is installed at the upper end of the grooved wheel (41), the rotating block (42) is connected with the fixing frame (2) in a rotating fit mode, the grooved wheel (41) is meshed with the cylindrical pin (43), the cylindrical pin (43) is installed on the turntable (44), the turntable (44) is connected with an output shaft of the motor (45), the motor (45) is installed on the fixing frame (2), and the rotating frame (46) is installed at the lower end of the grooved wheel (41).
4. The sampling device for food detection according to claim 1, wherein: the upper layer section of thick bamboo (52), lower floor section of thick bamboo (53) be the equal section of thick bamboo class of structure, size, upper layer section of thick bamboo (52) including recipient (521), rubber gasket (522), slip ring (523) and built-in spring (524), rubber gasket (522) are installed to the lower terminal surface of recipient (521), slip ring (523) are installed to the lower extreme of rubber gasket (522), slip ring (523) are connected for sliding fit with middle section of thick bamboo (51), and are connected with built-in spring (524) between slip ring (523) and middle section of thick bamboo (51).
5. The sampling device for food detection according to claim 4, wherein: the inner cavity of the extrusion container (521) is of a threaded structure, and a rounded corner structure is formed at the corner position of the upper end of the extrusion container (521).
6. The sampling device for food detection according to claim 1, wherein: the embedding frame (54) is hung on the rotating frame (46), and the upper end inside the middle barrel (51) is symmetrically provided with locking grooves.
7. The sampling device for food detection according to claim 1, wherein: the inclined plane of the locking frame (573) is of a gradually upward inclined structure from outside to inside, the inclined plane of the extrusion frame (575) is of a gradually upward inclined structure from outside to inside, and the lower end of the compression rod (578) is connected with the extrusion roller through a pin shaft.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720975A (en) * | 2021-08-16 | 2021-11-30 | 深圳市通量检测科技有限公司 | Food detection device with multiunit sampling function |
| CN115245849A (en) * | 2021-12-22 | 2022-10-28 | 辽东学院 | Reagent quantitative extraction equipment for food science and engineering |
| CN117804825A (en) * | 2024-03-01 | 2024-04-02 | 黑龙江省农业科学院水稻研究所 | Remote control automatic sampling device in paddy field |
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