A sample crushing and mixing device for food testing

Abstract

The utility model discloses a sample crushing and mixing device for food testing, specifically relates to the technical field of food testing, including a bottom plate, wherein a mixing box is arranged on the top of the bottom plate, a crushing box is connected to the top of the mixing box, two crushing rollers are rotatably installed inside the crushing box, one end of each of the two crushing rollers is provided with a gear, and one end of the other crushing roller is provided with a driving motor, the back of the mixing box is obliquely connected with a discharge pipe with a solenoid valve, a mobile mixing structure is arranged inside the mixing box, and the mobile mixing structure includes a sealing plate, the outer wall of the mixing box is in an open shape, the sealing plate is movably installed on the top of the bottom plate, and is located at the opening of the mixing box. The utility model can realize the crushing and mixing operation of food samples, and can facilitate the operator to subsequently rinse the crushing rollers, and at the same time provide a good space for the cleaning and maintenance of the shaft rod and the stirring blade, so as to facilitate the user to use and improve the use effect.

Description

Technical Field

[0001] The utility model relates to the technical field of food detection, and more specifically to a sample crushing and mixing device for food detection. Background Art

[0002] In food testing, in order to prevent harmful substances in food from affecting people's health and threatening lives, testing of food raw materials and finished products during the production process and before sale is an essential step. It is an important line of defense to ensure food safety. When testing food, the samples need to be crushed and mixed by a crushing and mixing device to facilitate the subsequent testing operations of the inspectors.

[0003] After searching, a Chinese patent with announcement number CN221006995U discloses a sample crushing and mixing device for food testing. The structure can crush food raw materials through the adjustable crushing roller and the fixed crushing roller, and then the food residue can be evenly mixed through the mixing barrel at the bottom to facilitate testing. The spacing between the adjustable crushing roller and the fixed crushing roller can be adjusted by the adjustment frame and the adjustment screw arranged on the adjustable crushing roller, so that it can be adjusted according to the requirements of different food testing, which is convenient for promotion and use.

[0004] In addition, the Chinese patent with the announcement number CN218637250U discloses a sample crushing and mixing device for food testing. The structure has a crushing shell with a cooling jacket, which can cool the material in the crushing shell, solving the problem of material denaturation caused by excessive temperature during the crushing process; by driving the connecting rod, the scraper seat and the scraper to rotate with the power of the crusher seat, the material adhering to the wall can be scraped off for further crushing and mixing, which can not only solve the problem of excessive temperature during crushing and mixing, but also solve the problem of wall adhesion caused by cooling.

[0005] However, in actual use, the above structures are inconvenient to move the mixing structure out of the interior of the device, resulting in poor cleaning and maintenance effects due to insufficient operating space when the operator performs subsequent cleaning and maintenance, affecting the subsequent use of the device. In view of this, the utility model provides a sample crushing and mixing device for food testing. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a sample crushing and mixing device for food testing to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sample crushing and mixing device for food testing, comprising a bottom plate, a mixing box is arranged on the top of the bottom plate, the top of the mixing box is connected to a crushing box, two crushing rollers are rotatably installed inside the crushing box, one end of the two crushing rollers are provided with gears, and one end of the other crushing roller is provided with a driving motor, the driving motor is fixedly installed on the surface of the crushing box, and the output end of the driving motor is fixedly connected to one of the crushing rollers, the gears at one end of the two crushing rollers are meshed with each other, the back side of the mixing box is obliquely connected to a discharge pipe with an electromagnetic valve, and guide plates are arranged on the two inner walls of the crushing box and at the tops of the corresponding crushing rollers, and the two guide plates are respectively obliquely fixed to the inner walls of the crushing box and are symmetrically arranged.

[0008] Specifically, the food sample is located between two crushing rollers, and a driving motor is used to make the two crushing rollers rotate relative to each other to achieve a crushing effect on the sample.

[0009] In order to mix the samples and facilitate the operator to clean and maintain the components, preferably, a mobile mixing structure is provided inside the mixing box, and the mobile mixing structure includes a sealing plate, the outer wall of the mixing box is open, the sealing plate is movably mounted on the top of the bottom plate, and is located at the opening of the mixing box, a rotating motor is fixedly mounted on the outer wall of the sealing plate, a shaft is fixedly mounted on the output end of the rotating motor, a plurality of stirring blades are fixedly mounted on the outside of the shaft, a bearing is fixedly embedded on the outer wall of the mixing box, a rotating block is rotatably mounted inside the bearing, a cross positioning hole is opened on the surface of the rotating block, and a cross positioning pin matching the cross positioning hole structure is fixedly mounted on one end of the shaft;

[0010] The surface of the base plate is provided with two mounting grooves, a screw rod is rotatably mounted inside one of the mounting grooves, a sliding rod is fixedly mounted inside the other mounting groove, a servo motor is arranged at one end of the screw rod, a threaded block and a sliding block are respectively arranged outside the screw rod and the sliding rod, the servo motor is fixedly mounted on the outer wall of the base plate, and the output end of the servo motor is fixedly connected to the screw rod, the threaded block is located outside the screw rod and is threadedly connected to the screw rod, the sliding block is slidably connected to the outside of the sliding rod, and the threaded block and the sliding block are both fixedly mounted on the bottom of the sealing plate.

[0011] In order to facilitate the flushing operation of the two crushing rollers, preferably, a water tank is fixedly installed on the outer wall of the crushing box, a water pump is arranged on the top of the water tank, the input end and output end of the water pump are respectively provided with a connecting pipe and a delivery pipe, two concave tubes are arranged on the top of the crushing box, a supporting tube is connected between the two concave tubes, and a plurality of high-pressure nozzles are connected to the bottom of the two concave tubes, the water pump is fixedly installed on the outer wall of the crushing box, and the input end and output end of the water pump are respectively connected to the connecting pipe and the delivery pipe, wherein one end of the connecting pipe extends to the interior of the water tank, and one end of the delivery pipe is connected to the supporting pipe.

[0012] Technical effects and advantages of the utility model:

[0013] 1. By setting up a mobile mixing structure, the rotary motor drives the shaft to rotate inside the mixing box, so that multiple stirring blades can mix the crushed samples to achieve the purpose of mixing, and the servo motor drives the screw to rotate so that the threaded block drives the sealing plate to move away from the mixing box, thereby driving the shaft and the stirring blades to extend from the inside of the mixing box, providing a good maintenance space and cleaning space for the cleaning and maintenance of the shaft and the stirring blades. Conversely, the sealing plate is reset so that the cross positioning pin at one end of the shaft is reinserted into the cross positioning hole, which is convenient for preparing for the next mixing work;

[0014] 2. The water in the water tank is transported through the connecting pipe and the delivery pipe by using a water pump. The delivery pipe transports the water to the inside of the two concave tubes through the supporting pipe, and finally sprays it out through multiple high-pressure nozzles. As the two crushing rollers rotate, the two crushing rollers can be flushed to avoid the sample residue on the crushing rollers being difficult to clean and affecting the use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the connection structure of the delivery pipe and the support pipe of the utility model.

[0017] Figure 3 This is another structural schematic diagram of the utility model from another angle.

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the mobile mixing structure of the utility model.

[0019] Figure 5 This is a schematic diagram of the distribution structure of two crushing rollers of the utility model.

[0020] Figure 6 For the utility model Figure 3 Enlarged structural diagram at A in the middle.

[0021] The accompanying drawings are marked as follows: 1. bottom plate; 2. mixing box; 3. crushing box; 4. crushing roller; 5. gear; 6. driving motor; 7. sealing plate; 8. rotating motor; 9. shaft; 10. stirring blade; 11. mounting groove; 12. screw rod; 13. sliding rod; 14. servo motor; 15. threaded block; 16. slider; 17. guide plate; 18. water tank; 19. water pump; 20. connecting pipe; 21. conveying pipe; 22. concave pipe; 23. support pipe; 24. high-pressure nozzle; 25. bearing; 26. rotating block; 27. cross positioning hole; 28. cross positioning pin. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] As attached Figure 1-5 A sample crushing and mixing device for food testing shown in the figure comprises a bottom plate 1, a mixing box 2 is arranged on the top of the bottom plate 1, a crushing box 3 is connected to the top of the mixing box 2, two crushing rollers 4 are rotatably installed inside the crushing box 3, gears 5 are arranged at one end of the two crushing rollers 4, and a driving motor 6 is arranged at one end of the other crushing roller 4, the driving motor 6 is fixedly installed on the surface of the crushing box 3, and the output end of the driving motor 6 is fixedly connected to one of the crushing rollers 4, the gears 5 at one end of the two crushing rollers 4 are meshed with each other, a discharge pipe with a solenoid valve is obliquely connected to the back of the mixing box 2, guide plates 17 are arranged on the two inner walls of the crushing box 3 and at the top of the corresponding crushing rollers 4, and the two guide plates 17 are respectively obliquely fixed on the inner walls of the crushing box 3 and are symmetrically arranged.

[0024] Specifically, in this structure, the food test sample is poured into the interior of the crushing box 3, and slides between the two crushing rollers 4 through two guide plates 17. At this time, the driving motor 6 drives one of the crushing rollers 4 to rotate inside the crushing box 3, and under the engagement of the two gears 5, the two crushing rollers 4 rotate relative to each other inside the crushing box 3, so as to achieve the purpose of crushing the sample. The crushed sample falls into the interior of the mixing box 2, is mixed, and then discharged through the discharge pipe.

[0025] In a specific embodiment, as shown in the attached Figure 1 , 3, 4, and 6, a mobile mixing structure is provided inside the mixing box 2, and the mobile mixing structure includes a sealing plate 7. The outer wall of the mixing box 2 is open, and the sealing plate 7 is movably mounted on the top of the bottom plate 1 and is located at the opening of the mixing box 2. A rotating motor 8 is fixedly mounted on the outer wall of the sealing plate 7, and a shaft 9 is fixedly mounted on the output end of the rotating motor 8. A plurality of stirring blades 10 are fixedly mounted on the outside of the shaft 9. A bearing 25 is fixedly embedded and mounted on the outer wall of the mixing box 2, and a rotating block 26 is rotatably mounted inside the bearing 25. A cross positioning hole 27 is opened on the surface of the rotating block 26, and a cross positioning pin 28 matching the structure of the cross positioning hole 27 is fixedly mounted on one end of the shaft 9;

[0026] Two mounting grooves 11 are provided on the surface of the base plate 1, wherein a screw rod 12 is rotatably mounted inside one of the mounting grooves 11, and a slide rod 13 is fixedly mounted inside the other mounting groove 11, a servo motor 14 is arranged at one end of the screw rod 12, and a threaded block 15 and a slider 16 are respectively arranged outside the screw rod 12 and the slide rod 13, the servo motor 14 is fixedly mounted on the outer wall of the base plate 1, and the output end of the servo motor 14 is fixedly connected to the screw rod 12, the threaded block 15 is located outside the screw rod 12 and is threadedly connected to the screw rod 12, the slider 16 is slidably connected to the outside of the slide rod 13, and the threaded block 15 and the slider 16 are both fixedly mounted on the bottom of the sealing plate 7.

[0027] Specifically, in this structure, in the initial state, the sealing plate 7 is attached to the opening of the mixing box 2 for sealing. At this time, the shaft 9 and the stirring blade 10 are both located inside the mixing box 2. When the crushed sample falls into the mixing box 2, the rotating motor 8 drives the shaft 9 to rotate inside the mixing box 2. One end of the shaft 9 drives the rotating block 26 to rotate inside the bearing 25 through the cross positioning pin 28 and the cross positioning hole 27, so that the shaft 9 can rotate at a uniform speed inside the mixing box 2.

[0028] The shaft 9 drives the plurality of stirring blades 10 to rotate during the rotation process, thereby mixing the crushed samples in the mixing box 2;

[0029] In order to facilitate the extension of the shaft 9 and the stirring blade 10 from the inside of the mixing box 2 and to clean or maintain them, the servo motor 14 is used to drive the screw 12 in one of the mounting grooves 11 to rotate, so that the threaded block 15 drives the sealing plate 7 to move away from the mixing box 2, and the sealing plate 7 is slidably guided on the outside of the slide bar 13 by the slider 16, and the sealing plate 7 drives the rotating motor 8, the shaft 9 and the stirring blade 10 to extend from the inside of the mixing box 2, providing a good maintenance space and cleaning space for the cleaning and maintenance of the shaft 9 and the stirring blade 10;

[0030] Similarly, after cleaning and maintenance, the sealing plate 7 drives the shaft 9 and the stirring blade 10 to move to the interior of the mixing box 2. At this time, the sealing plate 7 is attached to the opening of the mixing box 2 for sealing, and the cross positioning pin 28 at one end of the shaft 9 is inserted into the cross positioning hole 27 to facilitate the subsequent operation of the shaft 9.

[0031] In a specific embodiment, as shown in the attached Figure 1 , 2 As shown in Figure 3, a water tank 18 is fixedly installed on the outer wall of the crushing box 3, a water pump 19 is arranged on the top of the water tank 18, a connecting pipe 20 and a conveying pipe 21 are respectively arranged at the input and output ends of the water pump 19, two concave tubes 22 are arranged on the top of the crushing box 3, a supporting pipe 23 is connected between the two concave tubes 22, and a plurality of high-pressure nozzles 24 are connected at the bottom of the two concave tubes 22, the water pump 19 is fixedly installed on the outer wall of the crushing box 3, and the input and output ends of the water pump 19 are respectively connected to the connecting pipe 20 and the conveying pipe 21, wherein one end of the connecting pipe 20 extends to the inside of the water tank 18, and one end of the conveying pipe 21 is connected to the supporting pipe 23.

[0032] Specifically, in this structure, after the two crushing rollers 4 crush the sample, a large amount of residue is likely to remain on the surface thereof, and then the water pump 19 is used to transport the water inside the water tank 18 through the connecting pipe 20 and the delivery pipe 21. The delivery pipe 21 transports the water through the support pipe 23 to the inside of the two concave tubes 22, and finally sprays the water through a plurality of high-pressure nozzles 24 to flush the two crushing rollers 4, thereby preventing the sample residue on the crushing rollers 4 from being difficult to clean and affecting the use.

[0033] Working principle of this utility model:

[0034] The present application provides a sample crushing and mixing device for food testing. First, the food test sample is poured into the crushing box 3. The sample slides between two crushing rollers 4 along two symmetrically inclined guide plates 17. The driving motor 6 is started to drive one of the crushing rollers 4 to rotate. Since the gears 5 at one end of the two crushing rollers 4 are meshed with each other, the other crushing roller 4 will also rotate relatively, thereby crushing the sample. The crushed sample falls into the mixing box 2 below.

[0035] After the crushed sample enters the mixing box 2, the mobile mixing structure in the mixing box 2 starts to work. Initially, the sealing plate 7 is attached to the opening of the mixing box 2, the shaft 9 and the stirring blade 10 are in the mixing box 2, and the rotating motor 8 drives the shaft 9 to rotate. The cross positioning pin 28 at one end of the shaft 9 cooperates with the cross positioning hole 27 on the rotating block 26, driving the rotating block 26 to rotate in the bearing 25, so that the shaft 9 rotates at a uniform speed, and the shaft 9 drives the stirring blade 10 to mix the sample;

[0036] When the shaft 9 and the stirring blade 10 need to be cleaned and maintained, the servo motor 14 is started to drive the screw 12 to rotate, and the threaded block 15 moves on the screw 12. At the same time, the slider 16 at the bottom of the sealing plate 7 slides and guides on the slide bar 13, so that the sealing plate 7 with the rotating motor 8, the shaft 9 and the stirring blade 10 are moved out of the mixing box 2 to provide maintenance and cleaning space. After the maintenance and cleaning is completed, the sealing plate 7 is reset by reverse operation, and the cross positioning pin 28 at one end of the shaft 9 is reinserted into the cross positioning hole 27 to prepare for the next mixing work;

[0037] After the two crushing rollers 4 crush the sample, residues will remain on the surface. Start the water pump 19 to suck the water in the water tank 18 through the connecting pipe 20, and then transport it to the support pipe 23 through the delivery pipe 21, enter the two concave pipes 22, and finally spray it out by multiple high-pressure nozzles 24 to rinse the crushing rollers 4 to prevent the residual sample residues from affecting the subsequent use of the equipment.

[0038] It should be noted that the contents not described in detail in the specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used. In this technical solution, the electrical control components not mentioned are not shown in the figures because they belong to the prior art, and they will not be described here.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sample crushing and mixing device for food testing, comprising a bottom plate (1), characterized in that: A mixing box (2) is arranged on the top of the bottom plate (1), and the top of the mixing box (2) is connected to a crushing box (3). Two crushing rollers (4) are rotatably mounted inside the crushing box (3), one end of each of the two crushing rollers (4) is provided with a gear (5), and one end of the other crushing roller (4) is provided with a driving motor (6). The back of the mixing box (2) is obliquely connected to a discharge pipe with a solenoid valve, and a mobile mixing structure is arranged inside the mixing box (2); The movable mixing structure comprises a sealing plate (7); the outer wall of the mixing box (2) is in an open shape; the sealing plate (7) is movably mounted on the top of the bottom plate (1) and is located at the opening of the mixing box (2); a rotating motor (8) is fixedly mounted on the outer wall of the sealing plate (7); a shaft (9) is fixedly disposed at the output end of the rotating motor (8); and a plurality of stirring blades (10) are fixedly mounted on the outside of the shaft (9); The surface of the bottom plate (1) is provided with two mounting grooves (11), wherein a lead screw (12) is rotatably mounted inside one of the mounting grooves (11), and a slide rod (13) is fixedly mounted inside the other mounting groove (11), a servo motor (14) is disposed at one end of the lead screw (12), and a threaded block (15) and a slide block (16) are disposed outside the lead screw (12) and the slide rod (13), respectively.

2. The sample crushing and mixing device for food testing according to claim 1, characterized in that: The drive motor (6) is fixedly mounted on the surface of the crushing box (3), and the output end of the drive motor (6) is fixedly connected to one of the crushing rollers (4), and the gears (5) at one end of the two crushing rollers (4) are meshed with each other.

3. The sample crushing and mixing device for food testing according to claim 1, characterized in that: Material guide plates (17) are provided on both inner walls of the crushing box (3) and located on the tops of the corresponding crushing rollers (4); the two material guide plates (17) are respectively fixed obliquely on the inner walls of the crushing box (3) and are symmetrically arranged.

4. The sample crushing and mixing device for food testing according to claim 1, characterized in that: A water tank (18) is fixedly mounted on the outer wall of the crushing box (3); a water pump (19) is arranged on the top of the water tank (18); a connecting pipe (20) and a delivery pipe (21) are respectively arranged at the input end and the output end of the water pump (19); Two concave tubes (22) are arranged on the top of the crushing box (3), a support tube (23) is connected between the two concave tubes (22), and a plurality of high-pressure nozzles (24) are connected at the bottom of the two concave tubes (22).

5. The sample crushing and mixing device for food testing according to claim 4, characterized in that: The water pump (19) is fixedly mounted on the outer wall of the crushing box (3), and the input end and the output end of the water pump (19) are respectively connected to the connecting pipe (20) and the delivery pipe (21), wherein one end of the connecting pipe (20) extends to the interior of the water tank (18), and one end of the delivery pipe (21) is connected to the support pipe (23).

6. The sample crushing and mixing device for food testing according to claim 1, characterized in that: A bearing (25) is fixedly embedded in the outer wall of the mixing box (2), a rotating block (26) is rotatably mounted inside the bearing (25), a cross positioning hole (27) is formed on the surface of the rotating block (26), and a cross positioning pin (28) matching the structure of the cross positioning hole (27) is fixedly mounted on one end of the shaft rod (9).

7. The sample crushing and mixing device for food testing according to claim 1, characterized in that: The servo motor (14) is fixedly mounted on the outer wall of the base plate (1), and the output end of the servo motor (14) is fixedly connected to the screw rod (12). The threaded block (15) is located outside the screw rod (12) and is threadedly connected to the screw rod (12). The slider (16) is slidably connected to the outside of the slide rod (13). The threaded block (15) and the slider (16) are both fixedly mounted on the bottom of the sealing plate (7).

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