CN216499787U

CN216499787U - Homogeneous pretreatment device for large amount of samples

Info

Publication number: CN216499787U
Application number: CN202122821866.7U
Authority: CN
Inventors: 张荣宝; 曹进; 孙姗姗; 董喆; 王盛发
Original assignee: Xiamen Haihongxing Instrument Co ltd
Current assignee: Xiamen Haihongxing Instrument Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-05-13
Anticipated expiration: 2031-11-17

Abstract

The utility model provides a large-amount sample homogenizing pretreatment device which comprises a bearing plate, a cutting material storage mechanism arranged below the bearing plate, a supporting main rod fixed in the middle of the lower end of the bearing plate, and a driving mechanism arranged on the bearing plate and used for driving the cutting material storage mechanism to drive, wherein the cutting material storage mechanism comprises a plurality of cutting material storage units, each cutting material storage unit comprises an accommodating cup positioned below the bearing plate, a cup cover detachably fixed at one end of the accommodating cup close to the bearing plate, a rotating main shaft arranged in the accommodating cup and driven by the driving mechanism, and a cutting assembly arranged on the rotating main shaft, and the accommodating cup, the cup cover, the rotating main shaft and the cutting assembly are all made of plastic materials. The utility model has the advantages of difficult cross contamination, high sample crushing degree and cutting and storage integration.

Description

Homogeneous pretreatment device for large amount of samples

Technical Field

The utility model relates to the technical field of sample pretreatment, in particular to a large-amount sample homogenizing pretreatment device.

Background

The general samples for food inspection need to be preprocessed, and after preprocessing, the samples are stored for subsequent inspection, because the target substances for food inspection are often residual or unevenly distributed items, and sampling needs to be carried out according to the food base number, therefore, the samples which need to be processed by general foods are all over 500g, at present, the samples are processed by a food processor, a rigid homogenizer, a grinding instrument and the like, but the multiple batch inspection is involved, and the cleaning of equipment often causes the condition of cross contamination.

In order to solve the technical problems, the inventor designs a large-amount sample homogenizing pretreatment device, and the device is produced in the scheme.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the technical scheme of the utility model is as follows:

the utility model provides a large amount of sample homogeneity preprocessing device, includes the loading board, set up in the cutting of loading board below hold the material mechanism, be fixed in the support mobile jib at loading board lower extreme middle part and set up and carry out driven actuating mechanism for drive cutting savings mechanism on the loading board, the cutting holds the material mechanism and includes that a plurality of cutting hold the material unit, and is a plurality of the cutting holds the material unit and all holds the cup, can dismantle including being located the loading board below and fix the bowl cover that holds the cup and be close to loading board one end, set up in holding the cup and receive actuating mechanism driven rotation main shaft and set up in rotating the epaxial cutting assembly, hold cup, bowl cover, rotation main shaft, cutting assembly and all adopt the plastics material.

Further setting the following steps: the cup holder is characterized by further comprising a base which is arranged below the bearing plate and used for supporting the containing cups, the containing cups are bullet-shaped, limiting grooves which are as many as the containing cups are formed in the base along the circumferential direction of the base, and the bottom of each containing cup is placed in the corresponding limiting groove.

Further setting the following steps: the cutting assembly comprises a first cutting knife, a second cutting knife and a third cutting knife which are sequentially fixed on the rotating main shaft from top to bottom.

Further setting the following steps: the first cutting knife is a leaf plate, the plate body of the leaf plate is in a curved surface shape, the two sides of the second cutting knife are downward, the edge of the second cutting knife is provided with a cutting edge, the two sides of the third cutting knife are upward, the edge of the third cutting knife is provided with a cutting edge, and the first cutting knife, the second cutting knife and the third cutting knife are all made of plastic materials.

Further setting the following steps: the periphery of first cutting sword is equipped with polylith page or leaf board, and the plate body of page or leaf board is the curved surface shape, the both sides of second cutting sword are downward, and the edge has seted up the cutting edge, the cutting edge has been seted up to the both sides of third cutting sword upwards and the edge, just first cutting sword, second cutting sword and third cutting sword are the plastics material.

Further setting the following steps: actuating mechanism sets up in the loading board up end main gear tooth, a plurality of including rotating and sets up in the loading board up end and with be located the driven tooth of main gear tooth week side and be fixed in the butt joint axle at driven tooth lower extreme middle part, from driving wheel and the meshing transmission of main gear tooth, the butt joint axle with rotate the main shaft butt joint, the quantity of driven tooth is the same with the quantity that holds the cup, and the upper end of rotating the main shaft all wears to establish the loading board and is fixed with the driven tooth middle part.

Further setting the following steps: the first cutting knife, the second cutting knife and the third cutting knife are integrally formed with the rotating main shaft in an injection molding mode.

Further setting the following steps: the butt joint shaft is provided with a threaded buckle from one end far away from the bearing plate to one end close to the bearing plate, one end of the rotating main shaft close to the bearing plate is provided with a threaded head in threaded connection with the threaded buckle, and the butt joint shaft is in butt joint fixation with the rotating main shaft in a screwing mode through the threaded buckle.

Further setting the following steps: the inner cavity of the accommodating cup has the capacity of 500-.

The utility model has the following beneficial effects:

1. by arranging the bearing plate, the cutting storage mechanism, the supporting main rod and the driving mechanism, the cutting storage mechanism comprises a plurality of material storage units, the plurality of material storage units comprise accommodating cups, cup covers, rotating main shafts and cutting assemblies, the accommodating cups, the cup covers, the rotating main shafts and the cutting assemblies are all made of plastic materials, when a sample is prepared, the sample is respectively placed into each accommodating cup, the cup covers are covered, the rotating main shafts are driven by the driving mechanism to rotate, the cutting assemblies are driven to cut and crush the sample, the crushed sample is directly stored in the accommodating cups, the detection is convenient, and the accommodating cups, the cup covers, the rotating main shafts and the cutting assemblies are all made of plastic materials and can be used as disposable articles for recycling, so that the cross contamination is avoided, and the detection result is influenced;

2. the first cutting knife, the second cutting knife, the third cutting knife and the plurality of leaf plates are arranged on the periphery of the first cutting knife, so that a sample retained on the side wall of the containing cup is scraped downwards by the leaf plates, the two sides of the second cutting knife face downwards, the two sides of the third cutting knife face upwards, and the edges of the third cutting knife are provided with cutting edges, two oblique cutting lines are formed, and the sample is cut and crushed to the maximum extent;

3. through setting up actuating mechanism, actuating mechanism includes the main gear tooth, driven tooth, and butt joint axle, butt joint axle and rotation main shaft screw thread buckle are connected, the quantity of driven tooth equals with the quantity that holds the cup, rotate through motor drive main gear tooth, the main gear tooth drives a plurality of driven teeth in step and rotates, thereby drive the butt joint axle and rotate, and then drive the rotation main shaft, thereby drive first cutting sword, the second cutting sword, the third cutting sword is cut crushing to the sample, realize the synchronous crushing to the sample in each holds the cup, moreover, the steam generator is simple in structure, and save time.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.

Wherein:

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

FIG. 2 is a top view of the overall structure of the present invention;

FIG. 3 is a schematic view of the structure of the base of the present invention;

FIG. 4 is an overall view of the cutting and accumulating mechanism of the present invention;

fig. 5 is an internal structure view of the receiving cup of the present invention.

Description of reference numerals:

1. a carrier plate; 2. a cutting and material storing mechanism; 21. a receiving cup; 22. a cup cover; 23. rotating the main shaft; 24. a cutting assembly; 241. a first cutting blade; 2411. a leaf plate; 242. a second cutting blade; 243. a third cutting blade; 3. supporting the main rod; 4. a base; 41. a limiting groove; 5. a drive mechanism; 51. a main transmission gear; 52. a driven tooth; 53. and (5) butting the shaft.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The present example is as follows:

referring to FIGS. 1 to 5, a pretreatment apparatus for homogenizing a large amount of samples comprises a carrier plate 1, a cutting material-storing mechanism 2 disposed under the carrier plate 1, a main support rod 3 fixed at the middle of the lower end of the carrier plate 1, a base 4 disposed under the carrier plate 1, and a driving mechanism 5 disposed on the carrier plate 1 for driving the cutting material-storing mechanism,

cutting storage mechanism 2, cutting storage mechanism 2 includes that a plurality of cutting hold the material unit, and a plurality of cutting hold the material unit all including being located the bearing plate 1 below hold cup 21, can dismantle to fix and hold the bowl cover 22 that cup 21 is close to bearing plate 1 one end, set up in holding cup 21 and receive 5 driven rotation main shaft 23 of actuating mechanism and set up in the cutting subassembly 24 on rotation main shaft 23, hold cup 21, bowl cover 22, rotate main shaft 23, cutting subassembly 24 all adopt the plastics material. The containing cup 21 is bullet-shaped, and the inner cavity of the containing cup 21 has the capacity of 500-. The base 4 is provided with the same number of limiting grooves 41 as the accommodating cups 21 along the circumferential direction thereof, and the bottoms of the accommodating cups 21 are placed in the limiting grooves 41.

During sample preparation, put into each respectively with the sample and hold in the cup 21, cover bowl cover 22, rotate main shaft 23 through 5 drives of actuating mechanism and rotate, and then drive cutting assembly 24 cuts the sample and smashes, and the sample after smashing is directly stored in holding cup 21, and convenient the detection, and hold cup 21, bowl cover 22, rotate main shaft 23, cutting assembly 24 and all adopt plastics material, can regard as disposable, retrieve, avoid cross contamination, influence testing result.

The cutting assembly 24 includes a first cutting blade 241, a second cutting blade 242, and a third cutting blade 243 fixed to the rotating spindle 23 in sequence from top to bottom. The first cutting blade 241 is provided with a plurality of blades 2411 on the periphery, the body of each blade 2411 is curved, and the edges of the second cutting blade 242 face downward and are provided with cutting edges. The third cutting blade 243 has two edges facing upward and the edges are formed thereon, and the first cutting blade 241, the second cutting blade 242, and the third cutting blade 243 are made of plastic material. The first cutting blade 241, the second cutting blade 242, and the third cutting blade 243 are injection molded with the rotating spindle 23, so that the assembly time is saved.

Utilize page board 2411 to scrape down the sample that is detained at the holding cup 21 lateral wall, the both sides of second cutting sword 242 are downward, and the both sides of third cutting sword 243 are upwards, and the edge has all been seted up the cutting edge, forms two and cuts the slash, the maximize cut the sample and smash.

Drive mechanism 5 sets up in loading board 1 up end main gear tooth 51, a plurality of including rotating the setting at loading board 1 up end and with be located main gear tooth 51 week side driven tooth 52 and be fixed in the butt joint axle 53 at driven tooth 52 lower extreme middle part, from driving wheel and the meshing transmission of main gear tooth 51, butt joint axle 53 with rotate main shaft 23 butt joint, the quantity of driven tooth 52 is the same with the quantity that holds cup 21, and the upper end of rotating main shaft 23 all wears to establish loading board 1 and driven tooth 52 middle part fixedly.

The quantity of driven tooth 52 equals with the quantity that holds cup 21, and through motor drive main gear 51 rotation, main gear 51 drives a plurality of driven teeth 52 in step and rotates to drive butt joint axle 53 and rotate, and then drive and rotate main shaft 23, thereby drive first cutting sword 241, second cutting sword 242, third cutting sword 243 and cut the crushing to the sample, the realization is to each synchronous crushing of the sample that holds in the cup 21, simple structure, and save time.

The butt joint axle 53 is seted up threaded buckle to the one end that is close to loading board 1 by the one end of keeping away from loading board 1, and the one end that rotates main shaft 23 and is close to loading board 1 is equipped with the thread head with threaded buckle threaded connection, and butt joint axle 53 is fixed with the mode butt joint that rotates main shaft 23 and close soon through threaded buckle, makes things convenient for butt joint axle 53 and rotation main shaft 23 to carry out mutual dismantlement and fixed.

The working principle of the embodiment is as follows:

and (3) sample preparation:

the new cutting material storage mechanism 2 is replaced, the butt joint shaft 53 and the thread of the rotating main shaft 23 are fastened and fixed, a sample which needs to be detected is placed in the accommodating cup 21, the cup cover 22 is covered, the main transmission gear 51 is driven by the motor and then drives each transmission gear to rotate, the transmission gear drives the butt joint shaft 53 and the rotating main shaft 23 to rotate, so that the first cutting knife 241 is driven, the second cutting knife 242 and the third cutting knife 243 are driven to cut and crush the sample placed in the inner cavity of the accommodating cup 21, the cut and crushed sample is completed and directly stored in the accommodating cup 21, the cup cover 22, the rotating main shaft 23 and the cutting assembly 24 are made of plastic materials and can be used as disposable articles for use and are recycled, cross contamination is avoided, and the detection result is influenced.

The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.

Claims

1. The device is characterized by comprising a bearing plate (1), a cutting material storage mechanism (2) arranged below the bearing plate (1), a supporting main rod (3) fixed in the middle of the lower end of the bearing plate (1) and a driving mechanism (5) arranged on the bearing plate (1) and used for driving the cutting material storage mechanism to drive, wherein the cutting material storage mechanism (2) comprises a plurality of cutting material storage units, the plurality of cutting material storage units comprise accommodating cups (21) positioned below the bearing plate (1), cup covers (22) detachably fixed at one ends of the accommodating cups (21) close to the bearing plate (1), rotating main shafts (23) arranged in the accommodating cups (21) and driven by the driving mechanism (5) and cutting assemblies (24) arranged on the rotating main shafts (23), and the accommodating cups (21), the cup covers (22) and the cutting assemblies (24) are arranged on the rotating main shafts (23), and the accommodating cups (21), The rotating main shaft (23) and the cutting assembly (24) are made of plastic materials.

2. The pretreatment device for homogenizing a large amount of samples according to claim 1, further comprising a base (4) disposed under the carrier plate (1) for supporting the containing cup (21), wherein the containing cup (21) is bullet-shaped, the base (4) is provided with a number of limiting grooves (41) equal to the number of the containing cups (21) along the circumference thereof, and the bottom of the containing cup (21) is placed in the limiting grooves (41).

3. The apparatus for pretreating and homogenizing a large number of samples according to claim 1, wherein the cutting assembly (24) comprises a first cutting blade (241), a second cutting blade (242), and a third cutting blade (243) fixed to the rotating spindle (23) from top to bottom.

4. The pretreatment apparatus for homogenizing a large amount of samples according to claim 3, wherein a plurality of leaf plates (2411) are disposed on the periphery of the first cutter (241), the plate body of each leaf plate (2411) is in a curved shape, the second cutter (242) has two downward edges and has an edge at the edge, the third cutter (243) has two upward edges and has an edge at the edge, and the first cutter (241), the second cutter (242), and the third cutter (243) are made of plastic materials.

5. The pretreatment device for homogenizing a large number of samples according to claim 3, wherein the driving mechanism (5) comprises a main driving gear (51) rotatably disposed on the upper end surface of the bearing plate (1), a plurality of driven gears (52) disposed on the upper end surface of the bearing plate (1) and located on the peripheral side of the main driving gear (51), and a docking shaft (53) fixed on the middle of the lower end of the driven gears (52), the driven gears are in meshing transmission with the main driving gear (51), the docking shaft (53) is docked with the rotating main shaft (23), the number of the driven gears (52) is the same as that of the accommodating cups (21), and the upper end of the rotating main shaft (23) penetrates through the bearing plate (1) and is fixed on the middle of the driven gears (52).

6. The pretreatment device for homogenizing a large number of samples according to claim 3, wherein the first cutter (241), the second cutter (242), and the third cutter (243) are integrally injection-molded with the rotary spindle (23).

7. The pretreatment device for homogenizing a large amount of samples according to claim 5, wherein the butt joint shaft (53) is provided with a threaded buckle from one end far away from the loading plate (1) to one end close to the loading plate (1), one end of the rotating main shaft (23) close to the loading plate (1) is provided with a threaded head in threaded connection with the threaded buckle, and the butt joint shaft (53) and the rotating main shaft (23) are butt-jointed and fixed in a threaded buckle and screwing manner.

8. The homogeneous pretreatment device for large amount of samples, according to claim 1, wherein the inner cavity of the containing cup (21) has a capacity of 500-.