CN215727154U

CN215727154U - Food detection sample preparation device

Info

Publication number: CN215727154U
Application number: CN202121354370.7U
Authority: CN
Inventors: 贺炎娜; 柴冬敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-02-01
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a food detection sample preparation device, which comprises a bottom plate and a grinding assembly, wherein the bottom plate is provided with a grinding head; a bottom plate: the left end of the upper surface of the temperature control box is provided with the temperature control box, the inner bottom surface of the temperature control box and the right end of the upper surface of the bottom plate are both rotatably connected with rotating rods through rotating shafts, the two rotating rods are connected through a conveying belt in a transmission manner, the conveying belt is in sliding connection with the inner wall of a through hole formed in the right side plate of the temperature control box, the upper surface of the conveying belt is provided with a groove, a strip-shaped plate is arranged in the middle between the two inner walls of the groove, test tube holes distributed in an array manner are formed in the strip-shaped plate, and the right side surface of the temperature control box is provided with a grinding support; a grinding component: set up in the right-hand member ring internal face of grinding the support, grinding component and conveyer cooperation installation, wherein: still include the PLC controller, the PLC controller sets up in the upper surface of bottom plate, and external power source is connected to the input electricity of PLC controller, and this food detection sample preparation facilities preserves the sample constant temperature that makes, and easy operation is convenient, has practiced thrift the energy.

Description

Food detection sample preparation device

Technical Field

The utility model relates to the technical field of food detection and sample preparation, in particular to a food detection sample preparation device.

Background

The food safety detection is to detect harmful substances in food according to national indexes, mainly the detection of some harmful and toxic indexes, such as heavy metal, aflatoxin and the like, and one important aspect of food science and engineering is to introduce and apply chemical engineering unit operation and develop and form food engineering unit operation, thereby promoting the development of the food industry to large scale, continuity and automation, but in actual use, the traditional food detection sample preparation device needs to grind a sample, then place the sample in a test tube on a corresponding fixing frame, a worker needs to repeatedly go back and forth the fixing frame and a grinding table, time and labor are wasted, the efficiency is lower, in addition, the prepared sample needs to be preserved at constant temperature, the prior art is to independently arrange a constant temperature box, the prepared sample needs to be placed in the constant temperature box by opening the constant temperature box, and the internal temperature loss is more due to frequent opening and closing of a box door of the constant temperature box, the heat preservation effect is not good, and the use is inconvenient, and therefore a food detection sample preparation device is provided.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects and provide a food detection sample preparation device, which is used for preserving the prepared sample at constant temperature, avoiding the influence of external environment, being simple and convenient to operate, saving energy and effectively solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a food testing sample preparation device comprises a bottom plate and a grinding assembly;

a bottom plate: the left end of the upper surface of the temperature control box is provided with the temperature control box, the inner bottom surface of the temperature control box and the right end of the upper surface of the bottom plate are both rotatably connected with rotating rods through rotating shafts, the two rotating rods are connected through a conveying belt in a transmission manner, the conveying belt is in sliding connection with the inner wall of a through hole formed in the right side plate of the temperature control box, the upper surface of the conveying belt is provided with a groove, a strip-shaped plate is arranged in the middle between the two inner walls of the groove, test tube holes distributed in an array manner are formed in the strip-shaped plate, and the right side surface of the temperature control box is provided with a grinding support;

a grinding component: set up in the right-hand member ring internal face of grinding the support, grinding component and conveyer cooperation installation directly send into the inside constant temperature of accuse temperature case and preserve to the sample that makes, avoid outside ambient temperature to cause the influence to the sample, easy operation is convenient moreover, has reduced thermal scattering and disappearing, has practiced thrift the energy.

Further, still include the PLC controller, the PLC controller sets up in the upper surface of bottom plate, and external power source is connected to the input electricity of PLC controller, controls electrical components's start-up and stop.

Further, grinding component includes grinding vessel, grinding ball, arc otter board and first motor, the grinding vessel sets up in the right-hand member ring internal face of grinding the support, first motor sets up in the roof upper surface of grinding vessel, and the output shaft of first motor passes the through-hole that the grinding vessel roof set up and is equipped with the grinding ball at the end, the arc otter board sets up in the inner wall of grinding vessel, and the arc otter board is installed with the lower extreme cooperation of grinding ball, and the discharging pipe export that the grinding vessel bottom set up is located conveyer's right-hand member top, and the output of PLC controller is connected to the input electricity of first motor, grinds the sample to food.

Further, the inside left surface of accuse temperature box is equipped with the electric plate, and the roof upper surface of accuse temperature box is equipped with the second motor, and the output shaft of second motor and the left rod middle part pivot upper surface fixed connection that changes, the equal electricity of input of electric plate and second motor connect the output of PLC controller, and the electric plate is used for controlling the invariant of the inside temperature of accuse temperature box, and the sample preparation of being convenient for, the second motor is used for driving conveyer rotatory, the depositing and taking out of the test tube of being convenient for.

Further, photoelectric sensor is equipped with to the right flank of accuse temperature case, and photoelectric sensor and conveyer's right-hand member cooperation installation, PLC controller's input is connected to photoelectric sensor's output electricity, fixes a position the test tube, is convenient for inside the leading-in test tube of sample after will grinding.

Further, the automatic food dropping device further comprises a dropper support and a dropper, wherein the dropper support is arranged in the middle of the front end of the right side face of the temperature control box, the dropper is inserted into a right end ring of the dropper support, and the dropper is positioned above the horizontal part of the front side of the conveying belt and is used for dropping a ground food dropping reagent into the dropper support to prepare a sample.

Further, the discharging pipe end of grinding vessel is equipped with miniature vibrator, the output of PLC controller is connected to miniature vibrator's input electricity, and the food powder after being convenient for grind is derived, avoids blockking up the discharging pipe of grinding vessel.

Compared with the prior art, the utility model has the beneficial effects that: this food detects sample preparation facilities has following benefit:

starting a first motor through a PLC (programmable logic controller), driving a grinding ball to rotate by an output shaft of the first motor, grinding the food by matching the grinding ball with an arc-shaped screen plate, enabling the ground powder to fall into a discharge pipe at the bottom end of a grinding cylinder through meshes of the arc-shaped screen plate, inserting a test tube into a test tube hole at the right end of a strip-shaped plate, starting a second motor through the PLC, driving a left rotary rod to rotate by an output shaft of the second motor, driving a conveying belt to rotate by the rotary rod at the left side through friction force with the conveying belt, driving the test tube to move by the conveying belt through the strip-shaped plate, when a photoelectric sensor detects the test tube, transmitting a signal to a controller, controlling the second motor to stop running and start an internal time delay program by the PLC, opening a valve connected in series at the middle part of the discharge pipe of the grinding cylinder and starting a micro vibrator through the PLC, and vibrating the discharge pipe of the grinding cylinder by the micro vibrator, make the inside powder of abrasive tube discharging pipe get into the inside of test tube, the gasbag on manual extrusion burette top this moment, the test tube filling reagent of leading-in food powder has been to the below, after the time delay, PLC controller control second motor continues to start the inside of carrying into the control temperature case with the inside test tube of bar shaped plate, PLC controller control electric plate circular telegram generates heat and makes the inside of control temperature case keep homothermal state, control temperature case right side board all is equipped with the soft cushion with conveyer belt complex through-hole upper end, neither influence test tube business turn over control temperature case, can avoid scattering and disappearing of temperature again, play the heat preservation effect, this food detects sample preparation facilities, directly send into the inside constant temperature of control temperature case and preserve to the sample that makes, avoid external environment temperature to cause the influence to the sample, and easy operation is convenient, thermal dissipation has been reduced, the energy has been practiced thrift.

Drawings

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

FIG. 2 is a schematic view of the structure of the rotary rod of the present invention.

In the figure: 1 bottom plate, 2 temperature control boxes, 3 electric hot plates, 4 PLC controllers, 5 rotating rods, 6 grinding assemblies, 61 grinding cylinders, 62 grinding balls, 63 arc-shaped screen plates, 64 first motors, 7 grinding supports, 8 second motors, 9 conveying belts, 91 strip-shaped plates, 10 photoelectric sensors, 11 dropper supports, 12 droppers and 13 micro vibrators.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present embodiment provides a technical solution: a food detection sample preparation device comprises a base plate 1 and a grinding assembly 6;

bottom plate 1: the left end of the upper surface of the temperature control box 2 is provided with a temperature control box 2, the right side surface of the temperature control box 2 is provided with a photoelectric sensor 10, the photoelectric sensor 10 is matched and installed with the right end of a conveying belt 9, the output end of the photoelectric sensor 10 is electrically connected with the input end of a PLC (programmable logic controller) 4 to position a test tube, a ground sample is conveniently guided into the test tube, the inner bottom surface of the temperature control box 2 and the right end of the upper surface of a bottom plate 1 are rotatably connected with rotating rods 5 through rotating shafts, the two rotating rods 5 are in transmission connection through the conveying belt 9, the conveying belt 9 is in sliding connection with the inner wall of a through hole arranged on the right side plate of the temperature control box 2, the upper surface of the conveying belt 9 is provided with a groove, a strip-shaped plate 91 is arranged in the middle part between the two inner walls of the groove, the inside of the strip-shaped plate 91 is provided with test tube holes distributed in an array, the right side surface of the temperature control box 2 is provided with a grinding support 7, the inner left side surface of the temperature control box 2 is provided with an electric heating plate 3, the upper surface of a top plate of the temperature control box 2 is provided with a second motor 8, an output shaft of the second motor 8 is fixedly connected with the upper surface of a rotating shaft in the middle of the rotating rod 5 on the left side, the electric heating plate 3 is used for controlling the temperature inside the temperature control box 2 to be constant, and sample preparation is facilitated, and the second motor 8 is used for driving the conveying belt 9 to rotate, so that the test tubes can be conveniently stored and taken out;

the grinding assembly 6: the grinding component 6 is arranged on the inner wall surface of a right-end ring of the grinding support 7, the grinding component 6 is installed in a matched manner with the conveying belt 9, the grinding component 6 comprises a grinding cylinder 61, grinding balls 62, an arc-shaped screen plate 63 and a first motor 64, the grinding cylinder 61 is arranged on the inner wall surface of the right-end ring of the grinding support 7, the first motor 64 is arranged on the upper surface of a top plate of the grinding cylinder 61, an output shaft of the first motor 64 penetrates through a through hole formed in the top plate of the grinding cylinder 61, the grinding balls 62 are arranged at the end head of the output shaft, the arc-shaped screen plate 63 is arranged on the inner wall of the grinding cylinder 61, the arc-shaped screen plate 63 is installed in a matched manner with the lower end of the grinding balls 62, a discharge pipe outlet formed in the bottom end of the grinding cylinder 61 is positioned above the right end of the conveying belt 9 and is used for grinding and sampling food, a micro vibrator 13 is arranged at the end head of the discharge pipe of the grinding cylinder 61, an input end of the micro vibrator 13 is electrically connected with the output end of the PLC 4, the first motor 64 is started by the PLC 4, the output shaft of first motor 64 drives grinding ball 62 and rotates, grinding ball 62 grinds food with the cooperation of arc otter board 63, the powder after the grinding sees through in the mesh of arc otter board 63 falls into the discharging tube of abrasive tube 61 bottom, open the valve of abrasive tube 61 discharging pipe middle part series connection and start miniature vibrator 13 through PLC controller 4, miniature vibrator 13 work is to the vibration of abrasive tube 61 discharging pipe, make the inside powder of abrasive tube 61 discharging pipe get into the inside of test tube, the food powder after the grinding of being convenient for is derived, avoid blockking up the discharging pipe of abrasive tube 61.

Wherein: still include PLC controller 4, PLC controller 4 sets up in the upper surface of bottom plate 1, and external power source is connected to PLC controller 4's input electricity, and PLC controller 4's output is connected to first motor 64's input electricity, controls electrical components's start-up and stop, and PLC controller 4's output is all connected to the equal electricity of input of electric hot plate 3 and second motor 8.

Wherein: the automatic food powder filling device is characterized by further comprising a dropper support 11 and a dropper 12, wherein the dropper support 11 is arranged in the middle of the front end of the right side face of the temperature control box 2, the dropper 12 is inserted into a right end ring of the dropper support 11, the dropper 12 is located above the horizontal portion of the front side of the conveying belt 9, an air bag at the top end of the dropper 12 is manually squeezed, a test tube into which food powder is introduced is filled with a reagent downwards, and the reagent is dripped into the food after introduction and grinding to prepare a sample.

The working principle of the food detection sample preparation device provided by the utility model is as follows:

food is put into the grinding cylinder 61 from a feed hopper arranged at the right end of the side wall of the grinding cylinder 61, a first motor 64 is started through a PLC controller 4, an output shaft of the first motor 64 drives a grinding ball 62 to rotate, the grinding ball 62 is matched with an arc-shaped screen plate 63 to grind the food, ground powder falls into a discharge pipe at the bottom end of the grinding cylinder 61 through meshes of the arc-shaped screen plate 63, a test tube is inserted into a test tube hole at the right end of a strip-shaped plate 91, a second motor 8 is started through the PLC controller 4, an output shaft of the second motor 8 drives a left rotary rod 5 to rotate, the left rotary rod 5 drives a conveying belt 9 to rotate through the friction force with the conveying belt 9, the conveying belt 9 drives the test tube to move through the strip-shaped plate 91, when a photoelectric sensor 10 detects the test tube, a signal is conveyed to the PLC controller 4, the PLC controller 4 controls the second motor 8 to stop running and starts an internal delay program, open the valve of lapping container 61 discharging pipe middle part series connection and start miniature vibrator 13 through PLC controller 4 this moment, miniature vibrator 13 work is to lapping container 61 discharging pipe vibration, make the inside powder of lapping container 61 discharging pipe get into the inside of test tube, the gasbag on 12 tops of manual extrusion burette this moment, the test tube filling reagent of leading-in food powder of below, after the time delay, PLC controller 4 control second motor 8 continues to start and carries the inside test tube of lath 91 into the inside of accuse temperature case 2, PLC controller 4 control electric plate 3 circular telegram generates heat and makes the inside of accuse temperature case 2 keep homothermal state, accuse temperature case 2 right side board all is equipped with the soft cushion with conveyer belt 9 complex through-hole upper end, neither influence test tube business turn over accuse temperature case 2, can avoid losing of temperature again, play the heat preservation effect.

It should be noted that the first motor 64, the electric heating plate 3, the second motor 8, the photoelectric sensor 10 and the micro-vibrator 13 disclosed in the above embodiments can be freely configured according to practical application scenarios, the first motor 6442 series stepping motor can be used as the micro-vibrator 13, the flat vibration motor can be used as the micro-vibrator 13, and the PLC controller 4 controls the first motor 64, the electric heating plate 3, the second motor 8, the photoelectric sensor 10 and the micro-vibrator 13 to operate by a method commonly used in the prior art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A food detection sample preparation device is characterized in that: comprises a bottom plate (1) and a grinding component (6);

base plate (1): the left end of the upper surface of the temperature control box (2) is provided with the temperature control box, the bottom surface of the interior of the temperature control box (2) and the right end of the upper surface of the bottom plate (1) are both rotatably connected with rotating rods (5) through rotating shafts, the two rotating rods (5) are in transmission connection through a conveying belt (9), the conveying belt (9) is in sliding connection with the inner wall of a through hole formed in the right side plate of the temperature control box (2), the upper surface of the conveying belt (9) is provided with a groove, a strip-shaped plate (91) is arranged in the middle between the two inner walls of the groove, test tube holes distributed in an array are formed in the strip-shaped plate (91), and the right side surface of the temperature control box (2) is provided with a grinding support (7);

grinding assembly (6): is arranged on the inner wall surface of a right circular ring of the grinding support (7), and the grinding component (6) is installed in a matching way with the conveying belt (9).

2. The food testing sample preparation device of claim 1, wherein: still include PLC controller (4), PLC controller (4) set up in the upper surface of bottom plate (1), and external power source is connected to the input electricity of PLC controller (4).

3. The food testing sample preparation device of claim 2, wherein: grinding component (6) includes grinding vessel (61), grinding ball (62), arc otter board (63) and first motor (64), grinding vessel (61) sets up in the right-hand member ring internal face of grinding support (7), first motor (64) set up in the roof upper surface of grinding vessel (61), and the through-hole that grinding vessel (61) roof set up is passed to the output shaft of first motor (64) and is equipped with grinding ball (62) at the end, arc otter board (63) set up in the inner wall of grinding vessel (61), and arc otter board (63) and the lower extreme cooperation installation of grinding ball (62), and the discharging pipe export that grinding vessel (61) bottom set up is located the right-hand member top of conveyer (9), and the output of PLC controller (4) is connected to the input electricity of first motor (64).

4. The food testing sample preparation device of claim 2, wherein: the inside left surface of accuse temperature case (2) is equipped with electric plate (3), and the roof upper surface of accuse temperature case (2) is equipped with second motor (8), and the output shaft and the left rod (5) middle part pivot upper surface fixed connection that change of second motor (8), the equal electricity of input of electric plate (3) and second motor (8) connect the output of PLC controller (4).

5. The food testing sample preparation device of claim 2, wherein: photoelectric sensor (10) are equipped with to the right flank of accuse temperature case (2), and photoelectric sensor (10) and the right-hand member cooperation installation of conveyer (9), the input of PLC controller (4) is connected to the output electricity of photoelectric sensor (10).

6. The food testing sample preparation device of claim 1, wherein: the automatic temperature control device is characterized by further comprising a dropper support (11) and a dropper (12), wherein the dropper support (11) is arranged in the middle of the front end of the right side face of the temperature control box (2), the dropper (12) is inserted into a right end ring of the dropper support (11), and the dropper (12) is located above the horizontal portion of the front side of the conveyor belt (9).

7. The food testing sample preparation device of claim 3, wherein: the discharge pipe end of grinding vessel (61) is equipped with miniature vibrator (13), the output of PLC controller (4) is connected to the input electricity of miniature vibrator (13).