Raw material screening structure for food processing

Abstract

The utility model relates to the technical field of screening processing, and discloses a raw material screening structure for food processing, which comprises a mounting rack, a screening box is fixedly mounted on the mounting rack, a feeding pipe is fixedly mounted at one end of the screening box, and a detachable discharging cover is mounted at the other end of the screening box. A funnel-shaped discharge hopper is fixedly mounted at the bottom of the screening box; a mounting window is formed in the end, away from the feeding pipe, of the screening box, and the discharging cover is fixedly connected with the end face of the screening box through bolts and covers the mounting window. According to the raw material screening structure for food processing, a mounting window is reserved in one side of the screening box, after a discharging cover is detached, a screening barrel in the screening box can be replaced, in the using process, the corresponding screening barrel can be replaced according to the requirement for screening materials of different sizes, and the screening mechanism is higher in adaptability and more practical; the problem that a screening cylinder of an existing drum-type screening structure is difficult to replace is solved, and using is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of screening processing, specifically to a raw material screening structure for food processing. BACKGROUND

[0002] In the food processing process, the screening machine is often used to screen materials to ensure the uniformity and appearance of raw materials. There are many kinds of commonly used drum screening machines. For example, the existing technology with the announcement number CN213161753U discloses a raw material screening device for food processing. To solve the problem that the existing raw material screening device needs manual feeding, which is time-consuming and laborious, and cannot control the speed and quantity of feeding, the following scheme is proposed. It includes a fixed seat, a mounting hole is formed on one side of the fixed seat, a screening barrel is rotatably installed in the mounting hole, a first gear is fixedly installed on the screening barrel, two bases are fixedly installed on the bottom of the fixed seat, a servo motor is fixedly installed on the base, a second gear is drivingly connected to the output shaft of the servo motor, the second gear is engaged with the first gear, an installation plate is fixedly installed on the top of the fixed seat, a through hole is formed on the top of the installation plate, and a feeding box is fixedly installed in the through hole. The utility model has the advantages of reasonable structure and convenient operation. The raw material screening device does not need manual feeding, which saves time and labor, and can control the speed and quantity of feeding.

[0003] For different materials, different sizes of materials need to be screened, and the screen size needs to correspond to the screen cylinder. The existing drum screening structure is difficult to replace when the screen cylinder is installed in the machine. When screening materials of different particle sizes, the screen cylinder cannot be replaced as needed, which causes poor adaptability of the screening machine and brings inconvenience to use. Therefore, the existing drum screening device has the problem that the internal screen cylinder is difficult to replace, and needs to be further improved. SUMMARY

[0004] The utility model aims at providing a raw material screening structure for food processing to solve the problem that the drum screening device has an internal screen cylinder that is difficult to replace.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a raw material screening structure for food processing, including installation frame, fixedly installed with screening box on the installation frame, fixedly installed with feeding pipe on one end of screening box, installed with detachable discharge cover on the other end of screening box, fixedly installed with funnel-shaped discharge hopper on the bottom of screening box;

[0006] An installation window is formed on the end of the screening box away from the feeding pipe, the discharge cover is fixedly connected with the end face of the screening box through bolts, and covers the installation window, an external gear ring is rotatably installed in the screening box, a first driving motor is fixedly installed on the screening box, and the first driving motor drives the external gear ring to rotate through gear transmission;

[0007] The screening cylinder is slidably installed into the outer tooth ring from the installation window, the screening cylinder is fixed with the outer tooth ring through the installation screw, and the two ends of the screening cylinder are communicated with the feeding pipe and the discharging cover.

[0008] In some embodiments, the feeding auger is rotatably installed in the feeding pipe, the end of the feeding pipe is provided with a belt pulley, the belt pulley is fixedly connected with the center shaft end of the feeding auger, a second driving motor is fixedly installed on the installation rack, the second driving motor drives the belt pulley to rotate through a belt, the feeding pipe is horizontally arranged, a feeding hopper is arranged on the upper side of the feeding pipe and communicated with the feeding pipe, and the feeding speed is controlled by controlling the rotating speed of the feeding auger.

[0009] In some embodiments, the center shaft of the feeding auger is fixedly installed with a stirring shaft at the end away from the belt pulley, the stirring shaft extends into the discharging cover through the screening box, a plurality of stirring scrapers are fixedly installed on the surface of the stirring shaft, the stirring scrapers are arranged in a circumferential array, the outer edges of the stirring scrapers are in sliding contact with the inner wall of the screening cylinder, and the stirring scrapers are arranged inside to accelerate the turning of the materials in the screening cylinder and the screening speed.

[0010] The stirring shaft is rotatably installed with a hexagonal block at the end away from the feeding auger, the end of the discharging cover is fixedly installed with a hexagonal cover, when the discharging cover is fixedly installed on the screening box, the hexagonal cover is slidably sleeved on the surface of the hexagonal block, the surface of the hexagonal cover is threadedly installed with locking bolts, the hexagonal cover and the hexagonal block are fixedly connected through the locking bolts, the stability of the stirring shaft is improved, the discharging cover is convenient to disassemble, and the screening cylinder can be replaced.

[0011] In some embodiments, the inside of the screening box is further rotatably installed with a positioning ring, the positioning ring and the outer tooth ring are rotatably connected with the inner wall of the screening box through end face bearings, the end of the screening cylinder is inserted into the positioning ring, the feeding pipe is communicated with the screening cylinder through the positioning ring, the stability of the screening cylinder is improved, and the screening can be disassembled.

[0012] In some embodiments, the raw material screening structure for food processing comprises a plurality of screening cylinders with different mesh types, the outer wall of each screening cylinder is fixedly installed with an installation ring, the installation ring is fixedly connected with the end face of the outer tooth ring through the installation screw, the surface of the screening box is provided with an observation port, a box door plate is hingedly installed in the observation port, buckles are arranged between the box door plate and the screening box, and a plurality of universal wheels are fixedly installed on the bottom of the installation rack. Advantages

[0013] The raw material screening structure for food processing has the following advantages:

[0014] 1. The raw material screening structure for food processing, by reserving an installation window on one side of the screening box, the screening cylinder inside the screening box can be replaced after the discharge cover is disassembled, and during use, the corresponding screening cylinder can be replaced according to the requirement of screening materials of different sizes, so that the screening mechanism is more adaptable and more practical, and the problem that the existing drum screening structure is difficult to replace the screening cylinder is solved, and use is more convenient.

[0015] 2. The raw material screening structure for food processing, by setting the feeding auger in the feeding pipe, rotating the feeding auger, the material can be pushed into the screening cylinder, and by controlling the rotating speed of the feeding auger, the reasonable feeding speed is controlled, at the same time, the screening cylinder can rotate, and the inside is provided with stirring scrapers, the material in the screening cylinder is accelerated, the screening speed is accelerated, the problem of material accumulation and insufficient screening is avoided, and the working efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is a front view structure schematic diagram of the utility model;

[0018] Figure 3 It is Figure 2 It is an enlarged structure schematic diagram of A in the middle;

[0019] Figure 4 It is a front view structure schematic diagram of the screening cylinder.

[0020] In the drawing: 1 installation rack; 2 screening box; 3 feeding pipe; 4 discharge cover; 5 discharge hopper; 6 installation window; 7 outer gear ring; 8 first drive motor; 9 screening cylinder; 10 mounting screw; 11 feeding auger; 12 pulley; 13 second drive motor; 14 feeding hopper; 15 stirring shaft; 16 stirring scraper; 17 hexagonal block; 18 hexagonal cover; 19 locking bolt; 20 positioning ring; 21 end face bearing; 22 mounting ring; 23 box door plate. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Please refer to Figures 1-4The utility model provides a technical scheme: a raw material screening structure for food processing, including installation frame 1, installation frame 1 is fixedly installed with screening box 2, one end of screening box 2 is fixedly installed with feeding pipe 3, the other end of screening box 2 is installed with detachable discharge cover 4, the bottom of screening box 2 is fixedly installed with funnel -shaped discharge hopper 5, the surface of screening box 2 is provided with observation port, and the observation port is hingedly installed with box door plate 23, and buckle is arranged between box door plate 23 and screening box 2, the bottom of installation frame 1 is fixedly installed with multiple universal wheels.

[0023] The end of screening box 2 away from feeding pipe 3 is provided with installation window 6, discharge cover 4 is fixedly connected with the end face of screening box 2 through bolt and covers installation window 6, outer gear ring 7 is rotatably installed in screening box 2, first drive motor 8 is fixedly installed on screening box 2, and first drive motor 8 drives outer gear ring 7 to rotate through gear transmission.

[0024] Screening cylinder 9 is slidably installed in outer gear ring 7 from installation window 6, and screening cylinder 9 is fixed with outer gear ring 7 through mounting screw 10, the two ends of screening cylinder 9 are communicated with feeding pipe 3 and discharge cover 4, positioning ring 20 is also rotatably installed in screening box 2, positioning ring 20 and outer gear ring 7 are rotatably connected with the inner wall of screening box 2 through end face bearing 21, the end of screening cylinder 9 is inserted into positioning ring 20, and feeding pipe 3 is communicated with screening cylinder 9 through positioning ring 20.

[0025] Wherein, feeding auger 11 is rotatably installed in feeding pipe 3, the end of feeding pipe 3 is provided with belt pulley 12, belt pulley 12 is fixedly connected with the center shaft end of feeding auger 11, second drive motor 13 is fixedly installed on installation frame 1, second drive motor 13 drives belt pulley 12 to rotate through belt, feeding pipe 3 is horizontally arranged, and feeding hopper 14 is arranged on the upside of feeding pipe 3, and feeding hopper 14 is communicated with feeding pipe 3.

[0026] The center shaft of feeding auger 11 is fixedly installed with stirring shaft 15 away from belt pulley 12, stirring shaft 15 extends to discharge cover 4 by crossing screening box 2, a plurality of stirring scrapers 16 are fixedly installed on the surface of stirring shaft 15, the plurality of stirring scrapers 16 are arranged in circumferential array, and the outer edge of stirring scraper 16 is in sliding contact with the inner wall of screening cylinder 9.

[0027] By arranging feeding auger 11 in feeding pipe 3, driving feeding auger 11 to rotate, material can be pushed into screening cylinder 9, and by controlling the rotating speed of feeding auger 11, the reasonable feeding speed is controlled, simultaneously, screening cylinder 9 can rotate, and is internally provided with stirring scraper 16, so that the material is accelerated to turn in screening cylinder 9, the screening speed is accelerated, the problem that material is accumulated and screening is insufficient is avoided, and the working efficiency is greatly improved.

[0028] The stirring shaft 15 is rotatably installed with a hexagonal block 17 at the end away from the feeding auger 11, and the end of the discharge cover 4 is fixedly installed with a hexagonal cover 18, when the discharge cover 4 is fixedly installed on the screening box 2, the hexagonal cover 18 is slidably sleeved on the surface of the hexagonal block 17, and the surface of the hexagonal cover 18 is screwedly installed with locking bolts 19, and the hexagonal cover 18 and the hexagonal block 17 are fixedly connected through the locking bolts 19.

[0029] The raw material screening structure for food processing comprises a plurality of screening drums 9 with different mesh types, and the outer wall of each screening drum 9 is fixedly installed with a mounting ring 22, and the mounting ring 22 is fixedly connected with the end face of the outer gear ring 7 through the mounting screw 10, and the mesh types of the screening drums 9 are different, and the materials with different sizes can be screened.

[0030] The raw material screening structure for food processing, by reserving the installation window 6 on one side of the screening box 2, when the discharge cover 4 is disassembled, as shown, Figure 2 the screening drum 9 inside the screening box 2 can be replaced, and during use, the corresponding screening drum 9 can be replaced according to the requirement of screening materials with different sizes, so that the screening mechanism is more adaptable and more practical, and the problem that the existing drum-type screening structure is difficult to replace the screening drum 9 is solved, and the use is more convenient.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A food processing raw material screening structure, comprising a mounting frame (1), characterized in that: A screening box (2) is fixedly mounted on the mounting frame (1), a feeding pipe (3) is fixedly mounted on one end of the screening box (2), a detachable discharge cover (4) is mounted on the other end of the screening box (2), and a funnel-shaped discharge hopper (5) is fixedly mounted on the bottom of the screening box (2); An installation window (6) is provided at one end of the screening box (2) away from the feeding pipe (3); a discharge cover (4) is fixedly connected to the end face of the screening box (2) by bolts and covers the installation window (6); an outer gear ring (7) is rotatably installed inside the screening box (2); a first drive motor (8) is fixedly installed on the screening box (2); and the first drive motor (8) drives the outer gear ring (7) to rotate through gear transmission; A screening drum (9) is slidably installed from the installation window (6) into the outer gear ring (7), and the screening drum (9) is fixed to the outer gear ring (7) by means of mounting screws (10), and the openings at both ends of the screening drum (9) are communicated with the feeding pipe (3) and the discharge cover (4).

2. A food processing raw material screening structure according to claim 1, characterized in that: A feeding auger (11) is rotatably mounted in the feeding pipe (3), a pulley (12) is provided at the end of the feeding pipe (3), the pulley (12) is fixedly connected to the end of the central axis of the feeding auger (11), and a second drive motor (13) is fixedly mounted on the mounting frame (1), and the second drive motor (13) drives the pulley (12) to rotate via a belt.

3. A food processing raw material screening structure according to claim 2, characterized in that: The feeding pipe (3) is arranged horizontally, and a feeding hopper (14) is arranged on the upper side of the feeding pipe (3), and the feeding hopper (14) is communicated with the feeding pipe (3).

4. A food processing raw material screening structure according to claim 3, characterized in that: A stirring shaft (15) is fixedly mounted on one end of the central axis of the feeding auger (11) away from the pulley (12), and the stirring shaft (15) extends across the screening box (2) to the discharge cover (4). A plurality of stirring scrapers (16) are fixedly mounted on the surface of the stirring shaft (15), and the plurality of stirring scrapers (16) are arranged in a circular array, and the outer edges of the stirring scrapers (16) are in sliding contact with the inner wall of the screening cylinder (9).

5. A food processing raw material screening structure according to claim 4, characterized in that: A hexagonal block (17) is rotatably mounted on one end of the stirring shaft (15) away from the feeding auger (11), and a hexagonal block (18) is fixedly mounted on the end of the discharge cover (4). When the discharge cover (4) is fixedly mounted on the screening box (2), the hexagonal block (17) is slidably mounted on the surface of the hexagonal block (17). A locking bolt (19) is threadedly mounted on the surface of the hexagonal block (17), and the hexagonal block (17) is fixedly connected to the hexagonal block (17) by the locking bolt (19).

6. A food processing raw material screening structure according to claim 5, characterized in that: A positioning ring (20) is also rotatably mounted inside the screening box (2). The positioning ring (20) and the outer gear ring (7) are both rotatably connected to the inner wall of the screening box (2) via an end bearing (21). The end of the screening drum (9) is inserted into the positioning ring (20), and the feeding pipe (3) is connected to the screening drum (9) via the positioning ring (20).

7. A food processing raw material screening structure according to any one of claims 1 to 6, characterized in that: The food processing raw material screening structure comprises a plurality of screening cylinders (9) with different mesh sizes, wherein a mounting ring (22) is fixedly mounted on the outer wall of each screening cylinder (9), and the mounting ring (22) is fixedly connected to the end face of the outer gear ring (7) via the mounting screws (10).

8. The food processing raw material screening structure according to claim 1, characterized in that: An observation port is provided on the surface of the screening box (2), and a box door panel (23) is hingedly installed in the observation port, and a buckle is provided between the box door panel (23) and the screening box (2). A plurality of universal wheels are fixedly installed on the bottom of the mounting frame (1).

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