CN212017928U - A sample crushing device for heavy metal detection in food - Google Patents

Abstract

The utility model discloses a sample crushing device for food heavy metal detection, which comprises a frame, wherein a crushing box and a material conveying cylinder are arranged on the frame, a feed inlet is arranged on the crushing box, two crushing rollers with opposite rotation directions are arranged in the crushing box, two sides of the upper part in the crushing box are provided with split rings matched with the crushing rollers, the split rings are of a structure with two open ends, a scraping plate is arranged in the split rings in a rotating way, and one end of the scraping plate, which is far away from the split rings, extends to the position above the crushing rollers; crushing roller bottom be equipped with the stock guide, crushing case pass through the opening and connect the feed delivery section of thick bamboo, the feed delivery section of thick bamboo in be equipped with the cavity, the cavity in be equipped with the screw axis, the screw axis keep away from the one end of crushing case and extend to the feed delivery section of thick bamboo outside and connect the motor, the cavity outside be equipped with electric heating wire, the upper end intercommunication cavity of discharge gate, the lower extreme extends to the frame bottom. The utility model has the advantages that: simple structure, convenient clearance is fit for using widely.

Description

A sample crushing device for heavy metal detection in food

technical field

The utility model relates to the field of food detection, in particular to a sample crushing device for detection of heavy metals in food.

Background technique

With the development of science and technology, food and water quality are gradually polluted by industrial waste gas, waste water and waste residue. Heavy metals such as cadmium, arsenic, lead, mercury and other heavy metals in the farming layer are enriched and accumulated, and the use of inorganic chemical pesticides has resulted in vegetable products. Seriously exceeding the standard of heavy metal content in the product will lead to the occurrence of chronic heavy metal poisoning in consumers, which has attracted great attention from the government and wide attention from all walks of life. The need for the determination of heavy metal content is becoming more and more urgent, especially the detection of heavy metals in food.

Now for the detection of heavy metals, it is necessary to crush the food first, but when crushing, it often sticks to the crushing roller, which affects the next detection result and is not conducive to the accuracy of detection. It is also inconvenient to put, which is not conducive to the overall operation. Therefore, it is necessary to develop a sample crushing device for heavy metal detection in food.

Utility model content

The utility model aims to solve the above technical problems, and provides a sample crushing device for heavy metal detection in food.

In order to solve the above-mentioned technical problems, the technical scheme provided by the present utility model is as follows: a sample pulverizing device for heavy metal detection in food, comprising a frame, a pulverizing box and a feeding cylinder are arranged on the rack, and a pulverizing box is arranged on the pulverizing box. A feeding port is provided, two pulverizing rollers with opposite directions are arranged in the pulverizing box, and the lower end of the feeding port is a funnel structure and extends between the two pulverizing rollers;

The upper and both sides of the pulverizing box are provided with open rings that are matched with the pulverizing rollers. The open rings have an open structure at both ends. The open rings are rotated with scrapers, and the scrapers are far away from the openings. One end of the ring extends above the crushing roller;

The bottom of the pulverizing roller is provided with a material guide plate, the pulverizing box is connected to the feeding cylinder through the opening, the feeding cylinder is provided with a cavity, and the cavity is provided with a screw shaft. The end of the screw shaft away from the crushing box extends to the outside of the feeding cylinder to connect to the motor, the outer side of the cavity is provided with an electric heating wire, the top of the feeding cylinder is provided with an air outlet, and the bottom of the motor is provided with a discharge port, The upper end of the discharge port communicates with the cavity, and the lower end extends to the bottom of the frame.

As an improvement, a cylinder located in the split ring is arranged above the scraper, the opening direction of the split ring is downward, and the diameter of the cylinder is larger than the opening size of the split ring, so that the scraper can be placed in the split ring. It rotates inside and will not separate from the split ring, it is more convenient to clean the crushing roller, and the service life is longer.

As an improvement, the material guide plate is inclined, and the height of one end away from the feeding cylinder is higher than the height of the other end, and the crushed food can automatically fall into the feeding cylinder.

As an improvement, a control box is arranged above the feeding cylinder, and the control box is electrically connected to the power device, the motor and the electric heating wire of the pulverizing roller.

As an improvement, the feeding port is provided with a cover, and the side wall of the crushing box is provided with a transparent observation window, which is designed to facilitate the observation of the crushing of the food.

Compared with the prior art, the advantages of the present utility model are: in the device provided by the present utility model, the pulverizing roller is used to pulverize the food, and the pulverization of the food can be observed through the transparent observation window; the pulverized food can automatically follow the guide plate It enters into the feeding drum for easy collection; and the scraper is used to clean the food adhering to the pulverizing roller. The scraper rotates in the split ring and will not separate from the split ring. It is more convenient to clean the pulverizing roller and has a longer service life; The feeding barrel uses the screw shaft to transport the crushed food to the bottom of the rack, which is convenient and quick to collect. The whole device has a simple structure, is easy to clean, and is suitable for popular use.

Description of drawings

FIG. 1 is a schematic structural diagram of a sample crushing device for heavy metal detection in food according to the present invention.

2 is a schematic structural diagram of a scraper of a sample crushing device for heavy metal detection in food according to the present invention.

As shown in the picture: 1. Rack, 2. Crushing box, 3. Feeding drum, 4. Feeding port, 5. Crushing roller, 6. Split ring, 7. Scraper, 8. Material guide plate, 9. Transparent observation window, 10, cavity, 11, screw shaft, 12, motor, 13, electric heating wire, 14, air outlet, 15, outlet 16, cylinder.

Detailed ways

The present utility model will be further described in detail below in conjunction with the accompanying drawings.

A sample crushing device for food heavy metal detection, comprising a frame 1, a crushing box 2 and a feeding cylinder 3 are arranged on the frame 1, a feeding port 4 is arranged on the crushing box 2, and the The pulverizing box 2 is provided with two pulverizing rollers 5 with opposite directions, and the lower end of the feeding port 4 is a funnel structure and extends between the two pulverizing rollers 5;

The pulverizing box 2 is provided with an open ring 6 on both sides at the top and the pulverizing roller 5. The open ring 6 has an open structure at both ends, and a scraper 7 is rotated in the open ring 6. The end of the scraper 7 away from the split ring 6 extends to the top of the pulverizing roller 5;

The bottom of the pulverizing roller 5 is provided with a material guide plate 8, the pulverizing box 2 is connected to the feeding cylinder 3 through the opening, and the feeding cylinder 3 is provided with a cavity 10, and the cavity 10 There is a screw shaft 11 , and the end of the screw shaft 11 away from the crushing box 2 extends to the outside of the feeding cylinder 3 and is connected to the motor 12 . An air outlet 14 is provided, and a discharge port 15 is provided near the bottom of the motor 12 .

Above the scraper 7 is a cylinder 16 located in the split ring 6 , the opening direction of the split ring 6 is downward, and the diameter of the cylinder 16 is larger than the opening size of the split ring 6 .

The said material guide plate 8 is arranged obliquely, and the height of one end away from the feeding cylinder 3 is higher than that of the other end.

A control box 17 is arranged above the feeding drum 3 , and the control box 17 is electrically connected to the power device of the pulverizing roller 5 , the motor 12 and the electric heating wire 13 .

The feeding port 4 is provided with a cover, and the side wall of the crushing box 2 is provided with a transparent observation window 9 .

The working principle of the utility model: open the cover on the feeding port 4, use the control box 17 to start the power device of the crushing roller 5, the motor 12 and the electric heating wire 13, feed the food from the feeding port 4, and the crushing roller 5. After crushing, it falls on the guide plate 8, and the food scraps adhered on the crushing roller 5 are cleaned by the scraper 7. The scraper 7 rotates in the open ring 6 and will not be separated from the open ring 6, and the crushing roller is cleaned. 5 It is more convenient and has a longer service life. The guide plate 8 is inclined and the height of one end away from the feeding cylinder 3 is higher than the height of the other end. The crushed food can automatically fall into the feeding cylinder 3. The electric heating wire 13. Heat and dry the crushed food, and the generated hot air is released from the air outlet 14, and the crushed food is sent out from the discharge port 15, which is convenient for collection.

The present invention and the embodiments thereof have been described above, and the description is not restrictive, and what is shown in the accompanying drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. All in all, if those of ordinary skill in the art are inspired by it, without departing from the purpose of the present invention, and without creatively designing the structural modes and embodiments similar to the technical scheme, all should belong to the protection of the present invention. scope.

Claims (5)

1. A sample crushing device for detection of heavy metals in food, comprising a frame (1), wherein a crushing box (2) and a feeding cylinder (3) are provided on the frame (1), and the crushing box (2) is provided with a crushing box (2) and a feeding cylinder (3). ) is provided with a feeding port (4), characterized in that: the pulverizing box (2) is provided with two pulverizing rollers (5) with opposite directions, and the lower end of the feeding port (4) is a funnel structure and extend between two crushing rollers (5); The pulverizing box (2) is provided with split rings (6) matched with the pulverizing rollers (5) on both sides at the top, and the split rings (6) are of an open structure at both ends, and the split rings (6) ) is rotated with a scraper (7), and the end of the scraper (7) away from the split ring (6) extends to the top of the pulverizing roller (5); The bottom of the pulverizing roller (5) is provided with a material guide plate (8), the pulverizing box (2) is connected to the feeding cylinder (3) through an opening, and the feeding cylinder (3) is provided with a cavity (10), the cavity (10) is provided with a screw shaft (11), and the end of the screw shaft (11) away from the crushing box (2) extends to the outside of the feeding cylinder (3) to connect to the motor (12). ), an electric heating wire (13) is arranged on the outside of the cavity (10), an air outlet (14) is arranged above the feeding cylinder (3), and a material outlet is arranged at the bottom near the motor (12). (15), the upper end of the discharge port (15) communicates with the cavity (10), and the lower end extends to the bottom of the frame (1). 2. A kind of sample crushing device for detection of heavy metals in food according to claim 1, characterized in that: a cylinder (16) located in the open ring (6) is provided above the scraper (7), and the The opening direction of the split ring (6) is downward, and the diameter of the cylinder (16) is larger than the opening size of the split ring (6). 3. A kind of sample crushing device for heavy metal detection in food according to claim 1, characterized in that: the material guide plate (8) is inclined and arranged, and the height of one end away from the feeding cylinder (3) is higher than that of the other side. height of one end. 4. A sample crushing device for detecting heavy metals in food according to claim 1, characterized in that: a control box (17) is provided above the feeding cylinder (3), and the control box (17) is electrically The power device of the crushing roller (5), the motor (12) and the electric heating wire (13) are sexually connected. 5. A kind of sample crushing device for heavy metal detection in food according to claim 1, characterized in that: the feeding port (4) is provided with a cover, and the side wall of the crushing box (2) is provided with Transparent viewing window (9).

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