CN116059867A - A sample crushing and mixing device for food testing - Google Patents

Abstract

The invention discloses a sample crushing and mixing device for food detection, which relates to the technical field of food detection and comprises a mixing box, wherein an inlet cover is connected to the top of the mixing box in a threaded manner, a motor is fixedly connected to the bottom of the mixing box, an outlet cover is connected to the bottom of the mixing box in a threaded manner, a supporting rod is fixedly connected to the outer wall of the mixing box, a base is fixedly connected to the bottom of the supporting rod, the top of the mixing box is fixedly arranged through a bolt, a bottom scraping and mixing mechanism is arranged in the mixing box, and residues deposited on the bottom of the inner wall of the mixing box are scraped off in real time by the bottom of the outer wall of a stirring rod, so that the cleaning effect on the bottom of the inner wall of the mixing box is further improved while the residues deposited on the inner wall of the mixing box are ensured to be cleaned by the stirring rod, the problem that the food mixing effect is reduced due to the fact that a large amount of residues are adhered on the bottom of the inner wall of the mixing box during mixing is prevented, and the characteristics of high practicability are realized.

Description

A sample crushing and mixing device for food testing

technical field

The invention relates to the technical field of food testing, in particular to a sample crushing and mixing device for food testing.

Background technique

Food inspection in a broad sense refers to a discipline that studies and evaluates food quality and its changes. It is based on some basic theories and various technologies of physics, chemistry, and biochemistry, and in accordance with established technical standards, such as international and national food hygiene/safety Standards, to inspect the quality of food raw materials, auxiliary materials, semi-finished products, finished products and by-products to ensure that the product quality is qualified. The content of food inspection includes the sensory inspection of food, the detection of nutritional ingredients, additives, and harmful substances in food, etc.

The reference patent number is CN110302700A for a sample mixing device for organic food testing, specifically a sample mixing device for organic food testing, including four sets of supports, stirring tank, first motor, stirring shaft, multiple sets of left stirring plates, multiple Set of right stirring plate, feed pipe, hopper, discharge pipe, tank cover and handle; also includes bottom plate, four sets of universal wheels, second motor, reducer, rotating shaft, left gear, first ball bearing, fixed shaft and right gear;

When mixing in this patent, the residue at the bottom of the mixing box is prone to fail to turn over, resulting in a large amount of food residue sediments accumulating at the bottom of the inner wall of the mixing box during long-term mixing, which affects the mixing effect and leads to later detection There is a problem with poor practicality. Therefore, it is necessary to design a practical food testing sample crushing and mixing device.

Contents of the invention

The object of the present invention is to provide a sample crushing and mixing device for food testing, so as to solve the problems raised in the above-mentioned background technology.

In order to solve the above technical problems, the present invention provides the following technical solutions: a sample crushing and mixing device for food testing, including a mixing box, the top of the mixing box is threadedly connected with an inlet cover, and the bottom of the mixing box is fixedly connected with a motor. The bottom of the mixing box is threadedly connected with an outlet cover, the outer wall of the mixing box is fixedly connected with a support rod, the bottom of the support rod is fixedly connected with a base, the top of the mixing box is fixedly installed with bolts, and the inside of the mixing box is provided with a bottom scraper wipe mixing mechanism;

The scraping and mixing mechanism at the bottom layer includes a rotating rod, the outer wall of the rotating rod is fixedly connected with a stirring rod, the inside of the stirring rod is provided with a square groove, the outer wall of the stirring rod is slidably connected with a scraper, and the outer wall of the scraper is fixedly connected There is an elastic rope, one end of the elastic rope is fixedly connected to the outer wall of the rotating rod, the outer wall of the stirring rod is rotatably connected to a rotating shaft, the outer wall of the rotating shaft is fixedly connected to an opening and closing plate, the outer wall of the opening and closing plate is provided with a magnetic block, and the opening and closing plate A small elastic rope is fixedly connected to the outer wall, one end of the small elastic rope is fixedly connected to the outer wall of the stirring rod, and a scraping opening and closing stirring mechanism is arranged on the outside of the opening and closing plate;

The scraping opening and closing stirring mechanism includes a connecting plate, one end of the connecting plate is fixedly connected with the outer wall of the magnetic block, and the other end of the connecting plate is fixedly connected with a fixed block, and one end of the fixed block is rotatably connected with the outer wall of the opening and closing plate.

According to the above technical solution, the scraping, opening and closing stirring mechanism further includes a scraper, and the outer wall of the scraper is fixedly connected to the bottom of the opening and closing plate.

According to the above technical solution, the magnetism of the opposite side of the scraper and the magnetic block is heteropolar attraction.

According to the above technical solution, the outer wall of the scraper block is triangular.

According to the above technical solution, the magnetic attraction force between the scraper and the magnetic block is greater than the elastic force of the small elastic cord.

According to the above technical solution, the scraper is trapezoidal in shape.

According to the above technical solution, the outer wall of the scraper is provided with a chute, and the outer wall of the scraper is slidably connected with the outer wall of the stirring rod through the chute.

Compared with the prior art, the beneficial effects achieved by the present invention are:

(1) In the present invention, by setting the bottom scraping and mixing mechanism, the scraper on the outer wall of the stirring rod will be thrown out with the centrifugal force of the rotation of the stirring rod, so that the scraper slides on the outer wall of the stirring rod and pulls the elastic rope to deform, and the scraper then Slide on the outer wall of the stirring rod, and slide and scrape the bottom of the outer wall of the stirring rod, and scrape off the residue adhering to the bottom of the inner wall of the mixing box at the bottom of the outer wall of the stirring rod in real time, ensuring that the stirring rod is deposited on the inner wall of the mixing box. While the residue is sliding and cleaned, the cleaning effect on the bottom of the inner wall of the mixing box is further improved to prevent the problem that a large amount of residue adheres to the bottom of the inner wall of the mixing box during mixing, resulting in a decline in the food mixing effect.

(2) In the present invention, by setting the scraping and mixing mechanism at the bottom layer, when the scraper slides on the outer wall of the stirring rod, the magnetic attraction between the scraper and the magnetic block on the outer wall of the opening and closing plate is magnetically attracted, so that the magnetic block drops close to Scraper, and press the opening and closing plate to drive the rotating shaft to rotate and descend. As the scraper continues to slide, the magnetic block and the connecting plate are opened and closed on the outer wall of the fixed block, and when the scraper slides away from the magnetic block, the distance between the magnetic block and the scraper The magnetic attraction force between them becomes smaller due to the distance, until it is less than the elastic tension of the small elastic rope, so that the opening and closing plate is quickly pulled back by the small elastic rope, and the scraper is magnetically attracted to the next magnetic block, so as to realize continuous magnetic attraction with the magnetic block And detachment, realize the reciprocating vibration opening and closing of the opening and closing plate, and quickly push away the residue scraped on the outer wall of the stirring rod through the vibration of the opening and closing plate, so as to prevent the residue from being scraped around and unable to efficiently integrate into the mixture inside the mixing box In order to achieve the effect of improving the mixing efficiency.

(3) The present invention sets a scraping opening and closing agitation mechanism. When magnetically attracting the magnetic block, the magnetic block drives the connecting plate to slide and rotate on the outer wall of the fixed block, thereby wiping and cleaning the outer wall of the opening and closing plate, ensuring the opening and closing plate The inside of the mixing box is opened and closed for a long time to vibrate and clean, while improving the uniformity of mixing inside the mixing box, it also avoids the occurrence of residues adhering to the outer wall of the opening and closing board to the greatest extent.

(4) In the present invention, by setting the scraping opening and closing stirring mechanism, after the magnetic block breaks away from the magnetic attraction between the scraper, the opening and closing plate is pulled back by the small elastic rope, so as to perform circular opening and closing movement, and the connecting plate and the magnetic The block is quickly thrown out with the centrifugal force of the opening and closing of the opening and closing plate, and the opening and closing rotation and swing is performed on the outer wall of the opening and closing plate, which further improves the scraping and cleaning effect on the outer wall of the opening and closing plate, and improves the cleaning effect of the mixing box through the toggle of the connecting plate. The blending effect of the mixture in the inner bottom region with the mixture in the middle and upper layers.

(5) In the present invention, by setting the scraping opening and closing agitation mechanism, when the scraper drives the opening and closing plate to press down through the magnetic attraction between the magnetic blocks, the opening and closing plate drives the rotating shaft to rotate and press down to make the scraping at the bottom of the opening and closing plate The block contacts and adheres to the outer wall of the scraper, so that when the scraper slides, the residue on the outer wall can be scraped off by the scraper block. By continuously magnetically attracting each magnetic block, the scraper is continuously in contact with different scraper blocks. And scraping, cleaning itself, avoiding the problem that the scraping effect is reduced due to the long-term accumulation of mixture on the outer wall of the scraper, and it is difficult to clean.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

Fig. 1 is the overall schematic diagram of the present invention;

Fig. 2 is a schematic sectional view of a mixing box of the present invention;

Fig. 3 is the structural representation of stirring bar of the present invention;

Fig. 4 is an enlarged view of A place of Fig. 3 of the present invention;

Fig. 5 is a schematic structural view of the scraping opening and closing stirring mechanism of the present invention;

Fig. 6 is a schematic diagram of the structure of the connecting plate of the present invention.

In the figure: 2 mixing box, 3 bottom scraping and mixing mechanism, 301 rotating rod, 302 stirring rod, 303 square groove, 304 scraper, 305 elastic rope, 306 magnetic block, 307 opening and closing plate, 308 rotating shaft, 309 small elastic rope, 4 scraping opening and closing stirring mechanism, 401 connecting plate, 402 fixed block, 403 scraping block, 5 inlet cover, 6 support rod, 7 base, 8 motor, 9 outlet cover.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-6, the present invention provides a technical solution: a sample crushing and mixing device for food testing, comprising a mixing box 2, the top of the mixing box 2 is threadedly connected with an inlet cover 5, and the bottom of the mixing box 2 is fixedly connected with a motor 8, and the mixing The bottom of the box 2 is threadedly connected with an outlet cover 9, the outer wall of the mixing box 2 is fixedly connected with a support rod 6, the bottom of the support bar 6 is fixedly connected with a base 7, the top of the mixing box 2 is fixed with a bolt 10, and the inside of the mixing box 2 is provided with a bottom scraper. Wiping and mixing mechanism 3;

The bottom scraping and mixing mechanism 3 includes a rotating rod 301, the outer wall of the rotating rod 301 is fixedly connected with a stirring rod 302, the inside of the stirring rod 302 is provided with a square groove 303, the outer wall of the stirring rod 302 is slidingly connected with a scraper 304, and the outer wall of the scraper 304 is fixedly connected with a Elastic rope 305, one end of elastic rope 305 is fixedly connected with the outer wall of rotating rod 301, the outer wall of stirring rod 302 is rotatably connected with rotating shaft 308, the outer wall of rotating shaft 308 is fixedly connected with opening and closing plate 307, the outer wall of opening and closing plate 307 is provided with magnetic block 306, the outer wall of opening and closing plate 307 A small elastic rope 309 is fixedly connected, one end of the small elastic rope 309 is fixedly connected to the outer wall of the stirring rod 302, and the opening and closing plate 307 is provided with a scraping opening and closing stirring mechanism 4;

The scraping opening and closing stirring mechanism 4 comprises a connecting plate 401, one end of the connecting plate 401 is fixedly connected with the outer wall of the magnetic block 306, the other end of the connecting plate 401 is fixedly connected with a fixed block 402, and one end of the fixed block 402 is rotatably connected with the outer wall of the opening and closing plate 307.

The scraping opening and closing stirring mechanism 4 also includes a scraper 403 , the outer wall of the scraper 403 is fixedly connected with the bottom of the opening and closing plate 307 .

The magnetism on the opposite side of the scraper 304 and the magnet block 306 is heteropolar attraction.

The outer wall of the scraper block 403 is triangular.

The magnetic attraction force between the scraper 304 and the magnetic block 306 is greater than the elastic force of the small elastic cord 309 .

The scraper 304 has a trapezoidal shape.

The outer wall of the scraper 304 is provided with a chute, and the outer wall of the scraper 304 is slidably connected with the outer wall of the stirring rod 302 through the chute;

When in use, put the broken food into the mixing box 2 through the inlet cover 5 on the top of the mixing box 2, and then start the motor 8 to drive the rotating rod 301 and the stirring rod 302 to rotate synchronously, to water and mix the food, so that The broken food is fully mixed with water to facilitate its unified detection, and after the mixing is completed, it is released through the outlet cover 9;

When the rotating rod 301 drives the stirring rod 302 to rotate and mix, the centrifugal force of the stirring rod 302 will cause the scraper 304 on the outer wall of the stirring rod 302 to be thrown out with the centrifugal force of the rotating of the stirring rod 302, so that the scraper 304 is stirring The outer wall of the rod 302 slides and pulls the elastic rope 305 to deform, and the scraper 304 slides on the outer wall of the stirring rod 302, and slides and scrapes the bottom of the outer wall of the stirring rod 302, depositing and sticking the bottom of the outer wall of the stirring rod 302 to the bottom of the inner wall of the mixing box 2. The attached residue is scraped off in real time, which ensures that the stirring rod 302 slides and cleans the residue deposited on the inner wall of the mixing box 2, and further improves the cleaning effect on the bottom of the inner wall of the mixing box 2, preventing a large amount of residue from sticking to the bottom of the mixing box 2 during mixing. Attached to the bottom of the inner wall of the mixing box 2, resulting in a decrease in the food mixing effect;

And when the scraper 304 slides on the outer wall of the stirring rod 302, the magnetic attraction is carried out by the magnetic attraction force between the scraper 304 and the magnetic block 306 on the outer wall of the opening and closing plate 307, so that the magnetic block 306 descends close to the scraper 304, and presses The opening and closing plate 307 drives the rotating shaft 308 to rotate and descend, and as the scraper 304 continues to slide, the magnetic block 306 and the connecting plate 401 are opened and closed on the outer wall of the fixed block 402 to slide, and when the scraper 304 slides away from the magnetic block 306, the magnetic block 306 and the The magnetic attraction force between the scrapers 304 becomes smaller due to the distance until it is less than the elastic pulling force of the small elastic cord 309, so that the opening and closing plate 307 is quickly pulled back by the small elastic cord 309, and the scraper 304 is magnetically attracted to the next magnetic block 306, In this way, the magnetic block 306 is continuously magnetically attracted and separated, and the reciprocating vibration opening and closing of the opening and closing plate 307 is realized. Through the vibration of the opening and closing plate 307, the scraped residue on the outer wall of the stirring rod 302 is quickly pushed away to prevent the residue from being scraped It falls around and cannot be efficiently integrated into the mixture inside the mixing box 2, thereby achieving the effect of improving the mixing efficiency;

And when magnetically attracted to the magnetic block 306, the magnetic block 306 slides and rotates on the outer wall of the fixed block 402 by driving the connecting plate 401, thereby wiping and cleaning the outer wall of the opening and closing plate 307, ensuring that the opening and closing plate 307 can clean the inside of the mixing box 2 for a long time. The opening and closing vibrating cleaning improves the uniformity of mixing inside the mixing box 2, and at the same time avoids the occurrence of residues adhering to the outer wall of the opening and closing plate 307 to the greatest extent;

And when the scraper 304 drives the opening and closing plate 307 to press down through the magnetic attraction between the magnetic blocks 306, the opening and closing plate 307 drives the rotating shaft 308 to rotate and press down so that the scraper 403 at the bottom of the opening and closing plate 307 contacts with the outer wall of the scraper 304 And fit together, so that when the scraper 304 slides, the residue on the outer wall can be scraped off by the scraper 403, and through continuous magnetic attraction with each magnetic block 306, the scraper 304 is constantly in contact with different scraper 403 and Scratching, cleaning itself, avoids the problem that the scraping effect is reduced due to the long-term accumulation of mixture on the outer wall of the scraper 304, and it is difficult to clean.

After the magnetic block 306 breaks away from the magnetic attraction between the scraper 304, the opening and closing plate 307 is pulled back by the small elastic rope 309, thereby making a circular opening and closing movement, and the connecting plate 401 and the magnetic block 306 follow the opening and closing of the opening and closing plate 307 Centrifugal force is quickly thrown out, and the opening and closing plate 307 outer wall is opened and closed, rotated and oscillated to further improve the scraping and cleaning effect on the outer wall of the opening and closing plate 307, and the stirring of the connecting plate 401 improves the cleaning of the inner bottom area of the mixing box 2. Mixing effect of the admixture with the upper middle admixture.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still The technical solutions recorded in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides a sample crushing mixing arrangement for food detection, includes mixing box (2), its characterized in that: the novel cleaning device comprises a mixing box (2), an inlet cover (5) is connected to the top of the mixing box (2) in a threaded manner, a motor (8) is fixedly connected to the bottom of the mixing box (2), an outlet cover (9) is connected to the bottom of the mixing box (2) in a threaded manner, a supporting rod (6) is fixedly connected to the outer wall of the mixing box (2), a base (7) is fixedly connected to the bottom of the supporting rod (6), a bottom scraping mixing mechanism (3) is arranged inside the mixing box (2), and a base (10) is fixedly arranged at the top of the mixing box (2) through bolts;

the bottom scraping mixing mechanism (3) comprises a rotating rod (301), a stirring rod (302) is fixedly connected to the outer wall of the rotating rod (301), a square groove (303) is formed in the stirring rod (302), a scraping plate (304) is slidably connected to the outer wall of the stirring rod (302), an elastic rope (305) is fixedly connected to the outer wall of the scraping plate (304), one end of the elastic rope (305) is fixedly connected with the outer wall of the rotating rod (301), a rotating shaft (308) is rotatably connected to the outer wall of the stirring rod (302), an opening and closing plate (307) is fixedly connected to the outer wall of the rotating shaft (308), a magnetic block (306) is arranged on the outer wall of the opening and closing plate (307), a small elastic rope (309) is fixedly connected to the outer wall of the stirring rod (302), and a scraping and stirring mechanism (4) is arranged outside the opening and closing plate (307).

The scraping, opening and closing stirring mechanism (4) comprises a connecting plate (401), one end of the connecting plate (401) is fixedly connected with the outer wall of the magnetic block (306), the other end of the connecting plate (401) is fixedly connected with a fixing block (402), and one end of the fixing block (402) is rotatably connected with the outer wall of the opening and closing plate (307).

2. The sample disruption and mixing device for food detection according to claim 1, wherein: the scraping, opening and closing stirring mechanism (4) further comprises a scraping block (403), and the outer wall of the scraping block (403) is fixedly connected with the bottom of the opening and closing plate (307).

3. The sample disruption and mixing device for food detection according to claim 2, wherein: the magnetism of one side of the scraper (304) opposite to the magnetic block (306) is heteropolar attraction.

4. A sample disruption and mixing device for use in food testing according to claim 3, wherein: the outer wall of the scraping block (403) is triangular.

5. The sample disruption and mixing device for food detection according to claim 4, wherein: the magnetic attraction between the scraping plate (304) and the magnetic block (306) is larger than the elasticity of the small elastic rope (309).

6. The sample disruption and mixing device for food detection according to claim 5, wherein: the scraper (304) is trapezoidal in shape.

7. The sample disruption and mixing device for food detection according to claim 6, wherein: a chute is formed in the outer wall of the scraper (304), and the outer wall of the scraper (304) is connected with the outer wall of the stirring rod (302) in a sliding mode through the chute.

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