CN114813276A

CN114813276A - Food sample preprocessing device for food safety inspection

Info

Publication number: CN114813276A
Application number: CN202210429854.6A
Authority: CN
Inventors: 王秀玲; 马春华; 王舜垚
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-07-29

Abstract

The invention discloses a food sample pretreatment device for food safety detection, which relates to the field of food detection, and adopts the technical scheme that the device comprises a box body, wherein a cover plate is movably arranged at the top of the box body, a lifting plate is rotatably arranged in the box body, a supporting seat is fixedly arranged in the middle of the box body, a lifting unit for lifting the lifting plate is arranged in the middle of the supporting seat, the device also comprises a rotating unit fixedly arranged in the middle of the lower surface of the lifting plate, the rotating unit extends to the lower end in the box body, and the device also comprises a driving motor for driving the lifting unit and the rotating unit, and the driving motor is fixedly arranged on the supporting seat; the crushing device also comprises a crushing part fixedly arranged on one side of the cover plate opposite to the lifting plate. The invention has the beneficial effects that: simple structure, convenient to use can realize the broken handling to food shell, and food after the breakage has kept the characteristic that food was originally as far as, helps the later stage to carry out safety inspection to food, and operating personnel to the observation of food when the later stage of being convenient for carries out safety inspection to food.

Description

Food sample preprocessing device for food safety inspection

Technical Field

The invention relates to the field of food detection, in particular to a food sample pretreatment device for food safety detection.

Background

The definition of "food" in the one hundred and fifty items of the "food safety law" is as follows: food refers to various products and materials for human consumption or drinking, as well as products that are traditionally both food and pharmaceutical, but do not include products intended for therapeutic purposes. Definition of food from food industry terms: substances which can be consumed or drunk by humans, including processed foods, semi-finished products and unprocessed foods, excluding tobacco or substances used only as medicines. From the standpoint of food hygiene legislation and management, the broad food concept also involves: raw materials of produced food, planting of food raw materials, substances and environment contacted in the breeding process, additive substances of food, packaging materials of all directly or indirectly contacted food, facilities and environment influencing the original quality of food.

In order to ensure food safety, sampling detection work is very important, when food safety is detected, a reactant is required to be added after the food is crushed to promote reaction, and then the components of the food are detected; because the smashed food is powdery, the food can be only smashed separately when being smashed, and the detection efficiency is reduced.

Disclosure of Invention

Aiming at the technical problem, the invention provides a food sample pretreatment device for food safety detection.

The technical scheme includes that the lifting device comprises a box body, a cover plate is movably arranged at the top of the box body, a lifting plate is rotationally arranged in the box body, a supporting seat is fixedly arranged in the middle of the box body, a lifting unit used for lifting the lifting plate is arranged in the middle of the supporting seat, the lifting device also comprises a rotating unit fixedly arranged in the middle of the lower surface of the lifting plate, the rotating unit extends to the lower end of the interior of the box body, and a driving motor used for driving the lifting unit and the rotating unit is further arranged, and the driving motor is fixedly arranged on the supporting seat;

the crushing part is fixedly arranged on one side of the cover plate opposite to the lifting plate.

Preferably, the lifting unit comprises a driven gear rotatably arranged on the supporting seat, an internal thread is arranged in the middle of the driven gear, an adjusting stud is connected to the middle of the driven gear in a threaded manner, the adjusting stud is tubular, and the adjusting stud is sleeved on the outer side of the rotating unit;

a jacking plate is fixedly arranged at the upper end of the adjusting stud, and the jacking plate and the lifting plate are radially, rotatably and axially fixed;

one side of the supporting seat is rotatably provided with a driving gear, and the driving gear is meshed with the driven gear.

Preferably, the driving motor is a dual-output-shaft driving motor, and one output shaft of the driving motor is coaxially and fixedly connected with the driving gear.

Preferably, the supporting seat is provided with a plurality of guide holes, the lower surface of the jacking plate is fixedly provided with a plurality of guide rods, each guide rod corresponds to one of the guide holes, and the jacking plate is in sliding connection with the supporting seat through the guide rods.

Preferably, the rotating unit comprises a fixed rod fixedly arranged in the middle of the lower surface of the lifting plate, a movable rod is sleeved in the middle of the fixed rod, and the movable rod and the fixed rod are radially fixed and axially slide;

the lower end of the movable rod is coaxially and fixedly provided with a driving gear, the driving gear is rotatably provided with a gear carrier, the gear carrier is connected with a driving rack in a sliding mode, the driving rack is meshed with the driving gear, one end of the driving rack is rotatably provided with a rocker, one end of the rocker is rotatably connected with the driving rack, and the other end of the rocker is fixedly connected with the other output shaft of the driving motor.

Preferably, the crushing part comprises a plurality of annular crushing groups, and each crushing group comprises a plurality of crushing thorns arranged in a circumferential array.

Preferably, the crushing groups on the lifting plate and the crushing groups on the movable plate are staggered in projection on a horizontal plane.

Preferably, each broken thorn all is triangular pyramid shape, three edges of broken thorn are the cutting edge of broken thorn, the three intersection point that the cutting edge meets is located broken thorn's central axis.

Preferably, the box body is fixedly connected with the cover plate through a plurality of buckles, hook parts of the buckles are fixedly connected with the cover plate, and locking parts of the buckles are fixedly connected with the box body.

The technical scheme provided by the embodiment of the invention has the following beneficial effects: simple structure, convenient to use can realize the broken handling to food shell, and food after the breakage has kept the characteristic that food was originally as far as, helps the later stage to carry out safety inspection to food, and operating personnel to the observation of food when the later stage of being convenient for carries out safety inspection to food.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.

Fig. 2 is a sectional view of the overall structure of an embodiment of the present invention.

Fig. 3 is a schematic diagram of an internal structure according to an embodiment of the present invention.

Fig. 4 is a schematic view of a lifting plate and a lifting mechanism according to an embodiment of the present invention.

FIG. 5 is a schematic view of a pin crusher according to an embodiment of the present invention.

FIG. 6 is a schematic diagram of a case according to an embodiment of the present invention.

Wherein the reference numerals are: 1. a box body; 1-1, a cover plate; 1-2, a lifting plate; 1-3, a support seat; 1-31, a guide hole; 1-4, a crushing part; 1-41, crushing thorns; 1-42, cutting edge; 1-5, hasp; 2. a lifting unit; 2-1, a driven gear; 2-2, adjusting the stud; 2-3, a jacking plate; 2-31, a guide rod; 2-4, a driving gear; 3. a rotation unit; 3-1, fixing a rod; 3-2, a movable rod; 3-3, driving a gear; 3-4, gear rack; 3-5, driving the rack; 3-6, a rocker; 4. the motor is driven.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1

Referring to fig. 1 to 6, the invention provides a food sample pretreatment device for food safety detection, which comprises a box body 1, wherein a cover plate 1-1 is movably arranged at the top of the box body 1, a lifting plate 1-2 is rotatably arranged in the box body 1, a supporting seat 1-3 is fixedly arranged in the middle of the box body 1, a lifting unit 2 for lifting the lifting plate 1-2 is arranged in the middle of the supporting seat 1-3, the device also comprises a rotating unit 3 fixedly arranged in the middle of the lower surface of the lifting plate 1-2, the rotating unit 3 extends to the lower end in the box body 1, the device also comprises a driving motor 4 for driving the lifting unit 2 and the rotating unit 3, and the driving motor 4 is fixedly arranged on the supporting seat 1-3;

and a crushing part 1-4 fixedly arranged on one side of the cover plate 1-1 opposite to the lifting plate 1-2.

The lifting unit 2 comprises a driven gear 2-1 rotatably arranged on the supporting seat 1-3, internal threads are arranged in the middle of the driven gear 2-1, the middle of the driven gear 2-1 is in threaded connection with an adjusting stud 2-2, the adjusting stud 2-2 is tubular, and the adjusting stud 2-2 is sleeved on the outer side of the rotating unit 3;

the upper end of the adjusting stud 2-2 is fixedly provided with a jacking plate 2-3, and the jacking plate 2-3 and the lifting plate 1-2 are radially, rotatably and axially fixed;

one side of the supporting seat 1-3 is rotatably provided with a driving gear 2-4, and the driving gear 2-4 is meshed with a driven gear 2-1.

The diameter of the driven gear 2-1 is larger than that of the driving gear 2-4, the driving gear 2-4 drives the driven gear 2-1 to rotate to be in speed reduction motion, the rotating speed of the driven gear 2-1 is reduced, the torque of the lifting plate 1-2 in the upward moving process is improved, certain solid matters are favorably crushed, and meanwhile, the moving precision of the lifting plate 1-2 can be improved.

The driving motor 4 is a driving motor 4 with double output shafts, and one output shaft of the driving motor 4 is coaxially and fixedly connected with the driving gears 2-4.

Two output shafts of the double-output-shaft motor respectively extend to two ends of the driving motor 4, so that the driving motor 4 can simultaneously drive two different parts to work when in working, the use quantity of the motors is saved, the dead weight of the device is reduced, and the consumption of energy is saved.

The driving gear 2-4 is driven to rotate through the driving motor 4, so that the driven gear 2-1 is driven to rotate, the driven gear 2-1 drives the adjusting stud 2-2 to axially move along the axis of the adjusting stud 2-2, the lifting plate 1-2 moves from the middle part to the upper part of the box body 1, the crushing part 1-4 on the movable plate is continuously close to the crushing part 1-4 of the cover plate 1-1 in the moving process, and solid food is extruded and crushed through the two crushing parts 1-4.

The supporting seat 1-3 is provided with a plurality of guide holes 1-4, the lower surface of the jacking plate 2-3 is fixedly provided with a plurality of guide rods 2-31, each guide rod 2-31 corresponds to one guide hole 1-4, and the jacking plate 2-3 is connected with the supporting seat 1-3 in a sliding mode through the guide rods 2-31.

The guide rod 2-31 can enable the adjusting stud 2-2 to be kept radially fixed all the time, and when the driven gear 2-1 rotates, the adjusting stud 2-2 can move upwards.

The rotating unit 3 comprises a fixed rod 3-1 fixedly arranged in the middle of the lower surface of the lifting plate 1-2, a movable rod 3-2 is sleeved in the middle of the fixed rod 3-1, and the movable rod 3-2 and the fixed rod 3-1 are radially fixed and axially slide;

the lower end of the movable rod 3-2 is coaxially and fixedly provided with a driving gear 3-3, the driving gear 3-3 is rotatably provided with a gear carrier 3-4, the gear carrier 3-4 is connected with a driving rack 3-5 in a sliding manner, the driving rack 3-5 is meshed with the driving gear 3-3, one end of the driving rack 3-5 is rotatably provided with a rocker 3-6, one end of the rocker 3-6 is rotatably connected with the driving rack 3-5, and the other end of the rocker is fixedly connected with the other output shaft of the driving motor 4.

The driving motor 4 drives the rocking bars 3-6 to rotate, the rocking bars 3-6 drive the driving racks 3-5 to perform reciprocating movement, so that reciprocating rotation of the driving gears 3-3 is realized, in the rising process of the lifting plates 1-2, the rotating units 3 drive the lifting plates 1-2 to perform reciprocating rotation, when the crushing parts 1-4 extrude and crush solid food, the lifting plates 1-2 which perform reciprocating rotation can perform the function of shredding the solid food, the original characteristics of the food are kept as much as possible, and the observation of an operator on the food is facilitated when the safety detection is performed on the food in the later stage.

The crushing part 1-4 comprises a plurality of annular crushing groups, and each crushing group comprises a plurality of crushing thorns 1-41 arranged in a circumferential array.

The projections of the crushing groups on the lifting plates 1-2 and the crushing groups on the movable plates on the horizontal plane are staggered.

The crushing groups arranged in a staggered mode can improve the crushing precision, so that larger solid food can be shredded into smaller food fragments.

Each of the broken spines 1-41 is in a triangular pyramid shape, three edges of the broken spines 1-41 are cutting edges 1-42 of the broken spines 1-41, and the intersection point of the intersection of the three cutting edges 1-42 is positioned on the central axis of the broken spines 1-41.

The meeting point of the three cutting edges 1-42 can break the solid food, the three cutting edges 1-42 can cut the surface of the food and tear the food, so that the larger solid food is shredded into smaller food pieces, and then a certain amount of food pieces are randomly extracted by a detection person to be detected.

The box body 1 is fixedly connected with the cover plate 1-1 through a plurality of hasps 1-5, the hook parts of the hasps 1-5 are fixedly connected with the cover plate 1-1, and the locking parts of the hasps 1-5 are fixedly connected with the box body 1.

When the food crusher is used, the cover plate 1-1 is opened, solid food to be crushed is placed in the box body 1, one or more kinds of food can be placed according to actual detection requirements, the cover plate 1-1 is closed, and the cover plate 1-1 and the box body 1 are fixed by using the buckles 1-5.

The driving motor 4 is started, the driving motor 4 drives the lifting unit 2 and the rotating unit 3 to work respectively, the lifting unit 2 and the rotating unit 3 drive the lifting plates 1-2 to perform reciprocating rotation in the circumferential movement process, when the crushing part 1-4 extrudes and crushes solid food, the lifting plates 1-2 rotating in a reciprocating mode can perform the effect of crushing the solid food, original characteristics of the food are kept as far as possible, and an operator can observe the food in the later period conveniently when safety detection is performed on the food.

The plurality of the crushing thorns 1-41 arranged between the lifting plate 1-2 and the cover plate 1-1 can crush solid food, the three cutting edges 1-42 can cut the surface of the food and tear the food, so that the larger solid food is shredded into smaller blocky food fragments, the small food fragments are convenient for detection personnel to distinguish different foods, and then the detection personnel randomly extract a certain amount of food fragments to detect the food fragments.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A food sample pretreatment device for food safety detection is characterized by comprising a box body (1), a cover plate (1-1) is movably arranged at the top of the box body (1), a lifting plate (1-2) is rotatably arranged in the box body (1), a supporting seat (1-3) is fixedly arranged in the middle of the box body (1), a lifting unit (2) used for lifting the lifting plate (1-2) is arranged in the middle of the supporting seat (1-3), the box body also comprises a rotating unit (3) fixedly arranged in the middle of the lower surface of the lifting plate (1-2), the rotating unit (3) extends to the lower end of the interior of the box body (1), and the lifting device also comprises a driving motor (4) for driving the lifting unit (2) and the rotating unit (3), the driving motor (4) is fixedly arranged on the supporting seat (1-3);

the crushing device also comprises a crushing part (1-4) fixedly arranged on one side of the cover plate (1-1) opposite to the lifting plate (1-2).

2. The food sample pretreatment device for food safety detection according to claim 1, wherein the lifting unit (2) comprises a driven gear (2-1) rotatably arranged on the support base (1-3), an internal thread is arranged in the middle of the driven gear (2-1), an adjusting stud (2-2) is connected to the middle of the driven gear (2-1) in a threaded manner, the adjusting stud (2-2) is tubular, and the adjusting stud (2-2) is sleeved on the outer side of the rotating unit (3);

a jacking plate (2-3) is fixedly arranged at the upper end of the adjusting stud (2-2), and the jacking plate (2-3) and the lifting plate (1-2) are radially, rotatably and axially fixed;

one side of the supporting seat (1-3) is rotatably provided with a driving gear (2-4), and the driving gear (2-4) is meshed with the driven gear (2-1).

3. The food sample preprocessing device for food safety detection according to claim 2, wherein the driving motor (4) is a dual output shaft driving motor (4), and one output shaft of the driving motor (4) is coaxially and fixedly connected with the driving gear (2-4).

4. The food sample pretreatment device for food safety inspection according to claim 3, wherein a plurality of guide holes (1-4) are formed in the supporting base (1-3), a plurality of guide rods (2-31) are fixedly arranged on the lower surface of the lifting plate (2-3), each guide rod (2-31) corresponds to one of the guide holes (1-4), and the lifting plate (2-3) is slidably connected with the supporting base (1-3) through the guide rods (2-31).

5. The food sample pretreatment device for food safety inspection according to claim 4, wherein the rotating unit (3) comprises a fixed rod (3-1) fixedly arranged at the middle of the lower surface of the lifting plate (1-2), a movable rod (3-2) is sleeved at the middle of the fixed rod (3-1), and the movable rod (3-2) and the fixed rod (3-1) are radially fixed and axially slide;

the lower end of the movable rod (3-2) is coaxially and fixedly provided with a driving gear (3-3), the driving gear (3-3) is rotatably provided with a gear carrier (3-4), the gear carrier (3-4) is connected with a driving rack (3-5) in a sliding manner, the driving rack (3-5) is meshed with the driving gear (3-3), one end of the driving rack (3-5) is rotatably provided with a rocker (3-6), one end of the rocker (3-6) is rotatably connected with the driving rack (3-5), and the other end of the rocker is fixedly connected with another output shaft of the driving motor (4).

6. The food sample pretreatment device for food safety inspection according to claim 1, wherein the crushing part (1-4) comprises a plurality of annular crushing groups, and each crushing group comprises a plurality of crushing thorns (1-41) arranged in a circumferential array.

7. The food sample pretreatment device for food safety detection according to claim 6, wherein the projections of the crushing groups on the lifting plate (1-2) and the movable plate on the horizontal plane are staggered.

8. The food sample pretreatment device for food safety detection according to claim 7, wherein each of the breaking spines (1-41) is triangular pyramid-shaped, three edges of the breaking spine (1-41) are cutting edges (1-42) of the breaking spine (1-41), and an intersection point where the three cutting edges (1-42) meet is located on a central axis of the breaking spine (1-41).

9. The food sample pretreatment device for food safety detection according to claim 1, wherein the box body (1) is fixedly connected with the cover plate (1-1) through a plurality of buckles (1-5), hook parts of the buckles (1-5) are fixedly connected with the cover plate (1-1), and locking parts of the buckles (1-5) are fixedly connected with the box body (1).