Screening device for microbial food fermentation

Abstract

The utility model discloses a microbial food fermentation screening device which comprises a bottom plate, a screening roller, a material collecting cover and a motor are arranged on the bottom plate, the two ends of the screening roller are connected with the bottom plate through bearing seat supports, a plurality of sets of screening holes are formed in the screening roller, and the motor is connected with the screening roller. A plurality of sets of impact blocks are arranged on the inner wall of the screening roller, and the screening roller is covered with the material collecting cover. Raw materials are driven by the rotating screening roller to move synchronously, the raw materials are thrown continuously and are fed towards the tail end of the screening roller in the throwing process, the raw materials with qualified particle sizes are screened out through the screening holes, and the raw materials with unqualified particle sizes are stacked on one side in the screening roller and are recycled by the material pump assembly. The materials are conveyed into the screening roller again to be crushed and screened till the particle size is qualified, and the screening uniformity is guaranteed; and the raw materials continuously collide with the collision block when being thrown, and the raw materials are crushed through the collision block, so that the uniformity of the raw materials is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of food fermentation screening, in particular to a device for screening microbial food fermentation. Background Art

[0002] Fermentation technology belongs to biotechnology and is one of the earliest food processing technologies discovered and applied in biotechnology. Traditional fermented foods include wine, fermented bean curd, sweet sauce, bean paste, yogurt, bread, ham, pickles, fermented bean curd and cheese. Fermentation is the process of converting organic matter into products through the metabolic activities of microorganisms and biocatalysts.

[0003] Before microbial fermentation, the particle sizes of food raw materials are uneven. The larger particles of food raw materials ferment slower, thus extending the production cycle. The existing screening method only performs preliminary screening, and the particles of food raw materials are still uneven in size, which affects the progress of microbial fermentation. Utility Model Content

[0004] The purpose of the utility model is to provide a device for screening microbial food fermentation to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for screening microbial food fermentation, comprising a base plate, on which a screening drum, a collecting cover and a motor are arranged, both ends of the screening drum are connected to the base plate through a bearing seat bracket, a plurality of screening holes are provided on the screening drum, a plurality of impact blocks are provided on the inner wall of the screening drum, and the collecting cover is provided on the screening drum.

[0006] Wherein, one end of the screening drum is connected to the feed pipe assembly.

[0007] Wherein, the other end of the screening drum is connected to a return pipe assembly, and the return pipe assembly is connected to a material pump assembly.

[0008] Wherein, the feed pipe assembly is connected to the screening drum via a bearing, and the return pipe assembly is connected to the screening drum via a bearing.

[0009] Wherein, a material collecting chamber is arranged inside the material collecting cover, and a material guiding chute is opened on the material collecting cover.

[0010] Wherein, a driven wheel is arranged at one end of the screening drum, the output shaft of the motor is connected to the driving wheel, and the driving wheel and the driven wheel are driven by a synchronous belt.

[0011] Wherein, one end of the screening drum is connected to the bearing seat bracket via a bearing, and the other end of the screening drum is connected to the bearing seat bracket via a bearing.

[0012] Wherein, the plurality of groups of screening holes are evenly distributed at intervals.

[0013] The plurality of groups of impact blocks are evenly spaced and the impact blocks are fixed to the inner wall of the screening drum by welding.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model drives the raw materials to move synchronously through the rotating screening drum. The raw materials are continuously thrown down under the action of centrifugal force and their own gravity, and are continuously fed toward the tail end of the screening drum during the throwing process. The raw materials with qualified particle sizes are screened out through multiple groups of screening holes, and the raw materials with unqualified particle sizes are accumulated inside the screening drum, close to the side of the return pipe assembly, recovered by the material pump assembly, re-transported to the feed pipe assembly, and re-entered into the screening drum for crushing and screening until the particle size is qualified, so as to ensure the screening uniformity.

[0016] 2. The raw materials of the utility model continuously collide with multiple groups of impact blocks when being thrown down, and the raw materials are crushed by the multiple groups of impact blocks, thereby further improving the uniformity of the raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is the front view of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the screening drum of the utility model;

[0020] Figure 4 It is a cross-sectional view of the screening drum of the utility model;

[0021] Figure 5 This is a connection diagram of the return pipe assembly, the bearing seat bracket and the screening drum of the utility model.

[0022] In the figure: 1. bottom plate; 2. screening drum; 3. collecting cover; 4. motor; 5. bearing seat bracket; 6. screening hole; 7. impact block; 8. material guide chute; 9. feed pipe assembly; 10. return pipe assembly; 11. driven wheel; 12. driving wheel; 13. synchronous belt. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-5 The utility model provides a technical solution: a device for screening microbial food fermentation, comprising a bottom plate 1, on which a screening drum 2, a collecting cover 3 and a motor 4 are arranged, the motor 4 is the power source of the entire device, both ends of the screening drum 2 are connected to the bottom plate 1 through a bearing seat bracket 5, the screening drum 2 can rotate relative to the bearing seat bracket 5, the collecting cover 3 is fixed on the bottom plate 1, the screening drum 2 can rotate relative to the collecting cover 3, a plurality of screening holes 6 are provided on the screening drum 2, a plurality of impact blocks 7 are provided on the inner wall of the screening drum 2, and the collecting cover 3 is covered on the screening drum 2.

[0025] Among them, one end of the screening drum 2 is connected to the feed pipe assembly 9, and the feed pipe assembly 9 is connected to the feed system. The feed system is used for continuous feeding, and the food raw materials enter the screening drum 2 through the feed pipe assembly 9.

[0026] Among them, the other end of the screening drum 2 is connected to the return pipe assembly 10, and the return pipe assembly 10 is connected to the material pump assembly. When the material pump assembly is working, the return pipe assembly 10 generates a certain adsorption force, which can recycle the food raw materials accumulated on one side of the inside of the screening drum 2.

[0027] Among them, when the motor 4 is working, it drives the screening drum 2 to rotate relative to the bearing seat bracket 5, the collecting cover 3, the feed pipe assembly 9 and the return pipe assembly 10, and the food raw materials enter the screening drum 2 through the feed pipe assembly 9. The screening drum 2 drives the food raw materials to move synchronously. The food raw materials are continuously thrown down under the action of centrifugal force and their own gravity, and are continuously fed toward the tail end of the screening drum 2 during the falling process. At the same time, the food raw materials continuously collide with the multiple groups of impact blocks 7 when being thrown down, and the raw materials are crushed by the multiple groups of impact blocks 7.

[0028] Among them, raw materials with qualified particle size are screened out through multiple groups of screening holes 6, and are concentrated into the collecting cover 3 and collected by the collecting cover 3. Raw materials with unqualified particle size are accumulated inside the screening drum 2, close to the side of the return pipe assembly 10. Raw materials with unqualified particle size are recovered by the material pump assembly, and re-transported to the feed pipe assembly 9, and enter the screening drum 2 through the feed pipe assembly 9 again for crushing and screening until the particle size is qualified, thereby improving the screening efficiency and screening quality, and there is no need to manually take out the accumulated material for transportation and processing again.

[0029] Among them, the feed pipe assembly 9 is connected to the screening drum 2 through a bearing, the return pipe assembly 10 is connected to the screening drum 2 through a bearing, the feed pipe assembly 9 is connected to the feeding system, the screening drum 2 can rotate relative to the feed pipe assembly 9, the return pipe assembly 10 is connected to the pump body assembly for returning the material, and the screening drum 2 can rotate relative to the return pipe assembly 10.

[0030] Among them, a collection chamber is arranged inside the collection cover 3, and a material guide chute 8 is opened on the collection cover 3. When the screening drum 2 is driven by the motor 4 and rotates relative to the collection cover 3, the raw materials with qualified particle size inside the screening drum 2 are discharged through multiple groups of screening holes 6, concentrated into the collection chamber of the collection cover 3, and finally discharged through the material guide chute 8 of the collection cover 3, thereby effectively preventing the splashing of food raw materials.

[0031] Among them, a driven wheel 11 is arranged at one end of the screening drum 2, the output shaft of the motor 4 is connected to the driving wheel 12, the driving wheel 12 and the driven wheel 11 are driven by a synchronous belt 13, and the output shaft of the motor 4 and the driving wheel 12 are fixedly connected by a coupling.

[0032] When the motor 4 is working, it drives the driving wheel 12 to rotate, and the driving wheel 12 drives the driven wheel 11 to rotate synchronously through the synchronous belt 13, and the driven wheel 11 drives the screening drum 2 fixed thereto to rotate synchronously.

[0033] Among them, one end of the screening drum 2 is connected to the bearing seat bracket 5 through a bearing, and the other end of the screening drum 2 is connected to the bearing seat bracket 5 through a bearing. When the screening drum 2 is driven by the motor 4 to rotate, it can rotate relative to the bearing seat bracket 5, and the bearing seat bracket 5 remains stationary.

[0034] Among them, multiple groups of screening holes 6 are evenly distributed at intervals, and raw materials with qualified particle sizes are screened out through the multiple groups of screening holes 6. The multiple groups of screening holes 6 that are evenly distributed at intervals form a screening path.

[0035] Among them, multiple groups of impact blocks 7 are evenly distributed at intervals, and the impact blocks 7 are welded and fixed to the inner wall of the screening drum 2. When the food raw materials are thrown down, they continuously collide with the multiple groups of impact blocks 7. The multiple groups of impact blocks 7 apply shearing and crushing external forces to the food raw materials, and the food raw materials are further crushed, thereby improving the screening uniformity.

[0036] Working principle: When in use, the feed pipe assembly 9 is connected to the feed system, the return pipe assembly 10 is connected to the material pump assembly, the feed system feeds continuously, the food raw materials enter the screening drum 2 through the feed pipe assembly 9, the motor 4 works, drives the screening drum 2 to rotate relative to the bearing seat bracket 5, the collecting cover 3, the feed pipe assembly 9 and the return pipe assembly 10, the screening drum 2 drives the food raw materials to move synchronously, the food raw materials are continuously thrown down under the action of centrifugal force and their own gravity, and are continuously fed toward the tail end of the screening drum 2 during the throwing process, and at the same time, the food raw materials When thrown down, it continuously collides with multiple groups of impact blocks 7, and the raw materials are crushed by the multiple groups of impact blocks 7. The raw materials with qualified particle size are screened out through multiple groups of screening holes 6, and are concentrated into the collecting cover 3, collected by the collecting cover 3, and finally discharged through the guide chute 8 of the collecting cover 3. The raw materials with unqualified particle size are accumulated inside the screening drum 2, close to the side of the return pipe assembly 10. The raw materials with unqualified particle size are recovered by the material pump assembly, re-transported to the feed pipe assembly 9, and enter the screening drum 2 through the feed pipe assembly 9 again for crushing and screening until the particle size is qualified.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for screening microbial food fermentation, comprising a bottom plate (1), characterized in that: A screening drum (2), a material collecting cover (3) and a motor (4) are arranged on the bottom plate (1); both ends of the screening drum (2) are connected to the bottom plate (1) via a bearing seat bracket (5); a plurality of screening holes (6) are provided on the screening drum (2); a plurality of impact blocks (7) are provided on the inner wall of the screening drum (2); the material collecting cover (3) is arranged on the screening drum (2); one end of the screening drum (2) is connected to a feed pipe assembly (9); the other end of the screening drum (2) is connected to a return pipe assembly (10); and the return pipe assembly (10) is connected to a material pump assembly; the feed pipe assembly (9) is connected to the screening drum (2) via a bearing; and the return pipe assembly (10) is connected to the screening drum (2) via a bearing.

2. The device for screening microbial food fermentation according to claim 1, characterized in that: A material collecting chamber is arranged inside the material collecting cover (3), and a material guiding chute (8) is provided on the material collecting cover (3).

3. The device for screening microbial food fermentation according to claim 1, characterized in that: A driven wheel (11) is provided at one end of the screening drum (2), the output shaft of the motor (4) is connected to the driving wheel (12), and the driving wheel (12) and the driven wheel (11) are driven by a synchronous belt (13).

4. The device for screening microbial food fermentation according to claim 1, characterized in that: One end of the screening drum (2) is connected to the bearing seat bracket (5) via a bearing, and the other end of the screening drum (2) is connected to the bearing seat bracket (5) via a bearing.

5. The device for screening microbial food fermentation according to claim 1, characterized in that: The plurality of groups of screening holes (6) are evenly spaced.

6. The device for screening microbial food fermentation according to claim 1, characterized in that: The plurality of groups of impact blocks (7) are evenly spaced and distributed, and the impact blocks (7) are fixed to the inner wall of the screening drum (2) by welding.

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