Screening device for bean product screening

Abstract

The utility model discloses a screening device for screening bean products, and relates to the field of bean product processing, the screening device comprises a screening box and a feed hopper arranged on the screening box, the interior of the screening box is sequentially and obliquely provided with a residue screening net, a primary screen and a medium screen from top to bottom; the hole diameter of the slag screening net is smaller than that of the primary screening net, and the hole diameter of the primary screening net is smaller than that of the medium screening net. The right end of the slag screening net is higher than the left end, the left end of the primary screening net is higher than the right end, the right end of the medium screening net is higher than the left end, and gaps exist between the left end of the slag screening net, the right end of the primary screening net and the left end of the medium screening net and the inner wall of the screening box. An impurity guide plate, a small bean guide plate and a medium bean guide plate are obliquely arranged below the left end of the residue screening net, below the right end of the primary screen and below the left end of the medium screen respectively; and the functions of impurity removal and multi-stage screening are achieved, so that the processing requirements of bean products with different qualities are met.

Description

Technical Field

[0001] The utility model relates to the field of bean product processing, in particular to a screening device for screening bean products. Background Art

[0002] Soy products are foods made from beans such as soybeans, adzuki beans, green beans, peas, and broad beans as the main raw materials. Most soy products are tofu and its derivatives made by coagulating soy milk. Among them, soybeans are the most commonly used and are the raw material for making soy products. Soybeans need to be screened during processing.

[0003] During the processing of dry soybeans, it is often necessary to screen out the branches, leaves, dust, etc. remaining in the soybeans. Existing soybean screening devices, including semi-automatic or automatic screening machines, can usually only screen through a fixed screen to obtain plump beans, while shriveled beans and smaller impurities cannot be effectively screened out. Moreover, among the plump beans, there are also differences in particle diameter. If the bean particles cannot be screened, they cannot meet the needs of subsequent packaging or other uses. Utility Model Content

[0004] The purpose of the utility model is to provide a screening device for bean product screening, which realizes the functions of impurity removal and multi-stage screening and can meet the subsequent processing needs of bean products of different qualities.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screening device for screening soy products, comprising a screening box, a feed hopper arranged on the screening box, wherein a screening net, a primary screen, and a medium screen are arranged in an inclined manner from top to bottom in the interior of the screening box; the aperture of the screening net is smaller than the aperture of the primary screen, and the aperture of the primary screen is smaller than the aperture of the medium screen; the right end of the screening net is higher than the left end, the left end of the primary screen is higher than the right end, and the right end of the medium screen is higher than the left end, and the screening net is There are gaps between the left end, the right end of the No. 1 screen and the left end of the medium screen and the inner wall of the screening box; an impurity guide plate, a small bean guide plate and a medium bean guide plate are obliquely arranged below the left end of the screening net, the right end of the No. 1 screen and the left end of the medium screen respectively; a slag discharge port, a first discharge pipe and a second discharge pipe connected to the screening box are respectively arranged on the right side of the impurity guide plate, the left side of the impurity guide plate and the right side of the medium bean guide plate; the bottom of the inner wall of the screening box is funnel-shaped, and a third discharge pipe is arranged at the bottom of the screening box.

[0006] In order to easily screen out branches and leaves from bean grains, as a preferred screening device for screening soy products of the present invention, the left end of the top of the screening box is fixedly connected to a dust hood parallel to the screening net, and the screening box is provided with an exhaust fan, a connecting box, and a collecting box; the input end of the exhaust fan is connected to the connecting box through a pipe, and the side of the connecting box away from the exhaust fan is connected to the dust hood through a pipe, the top of the collecting box is detachably connected to the bottom of the connecting box, and the collecting box is connected to the connecting box, and a filter cover is provided in the connecting box.

[0007] In order to easily support and fix the screening box, as a preferred screening device for screening soy products in the present invention, a base and legs are provided under the screening box, the legs are vertically arranged on the top of the base, and the screening box is arranged on the base through the legs.

[0008] In order to easily collect shriveled beans and smaller impurities, as a preferred screening device for screening soy products in the present invention, a placement plate is provided below the slag discharge port, and an impurity frame is provided on the placement plate.

[0009] In order to facilitate the collection of screened beans, as a preferred screening device for screening soy products in the present invention, a receiving frame is provided under the first discharge pipe, the second discharge pipe and the third discharge pipe, and the receiving frame is located at the top of the base.

[0010] In order to easily remind the staff to replace the containing frame, as a preferred screening device for screening soy products in the present invention, the outer walls of the first discharge pipe, the second discharge pipe and the third discharge pipe are provided with distance sensors and alarms, and the screening box is provided with a controller, and the controller is electrically connected to the first discharge pipe, the second discharge pipe, the third discharge pipe and the alarm respectively.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] The utility model uses a screening net, a primary screen and a medium screen; the screening net is easy to screen impurities and shriveled soybeans in soybeans, and the impurity guide plate is easy to separate impurities and shriveled beans from the screening box; then the primary screen and the medium screen are used again to screen and grade particles of different sizes in soybeans, realizing a multi-stage screening function to meet the processing needs of soybean products of different qualities, and the device has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 AA structural diagram;

[0015] Figure 3 This is a structural diagram of the distance sensor and alarm of the utility model.

[0016] In the figure: 1. Screening box; 2. Feed hopper; 3. Screening net; 4. Primary screen; 5. Medium screen; 6. Impurity guide plate; 7. Small bean guide plate; 8. Medium bean guide plate; 9. Slag outlet; 10. First discharge pipe; 11. Second discharge pipe; 12. Third discharge pipe; 13. Dust hood; 14. Exhaust fan; 15. Connection box; 16. Collection box; 17. Filter cover; 18. Base; 19. Support legs; 20. Storage plate; 21. Impurity frame; 22. Receive frame; 23. Distance sensor; 24. Alarm; 25. Controller. DETAILED DESCRIPTION

[0017] See also Figures 1 to 3 A screening device for screening soy products comprises a screening box 1, a feed hopper 2 arranged on the screening box 1, a screening net 3, a primary screen 4, and a medium screen 5 are arranged in an inclined manner from top to bottom inside the screening box 1; the aperture of the screening net 3 is smaller than the aperture of the primary screen 4, and the aperture of the primary screen 4 is smaller than the aperture of the medium screen 5; the right end of the screening net 3 is higher than the left end, the left end of the primary screen 4 is higher than the right end, and the right end of the medium screen 5 is higher than the left end, and the left end of the screening net 3, the right end of the primary screen 4, and the medium screen There is a gap between the left end of each of the screening boxes 5 and the inner wall of the screening box 1; an impurity guide plate 6, a small bean guide plate 7, and a medium bean guide plate 8 are obliquely arranged below the left end of the screening net 3, below the right end of the primary screen 4, and below the left end of the medium screen 5; a slag outlet 9, a first discharge pipe 10, and a second discharge pipe 11 connected to the screening box 1 are respectively provided on the right side of the impurity guide plate 6, the left side of the impurity guide plate 6, and the right side of the medium bean guide plate 8; the bottom of the inner wall of the screening box 1 is funnel-shaped, and a third discharge pipe 12 is provided at the bottom of the screening box 1.

[0018] In this embodiment, beans enter the screening box from the feed hopper 2, and the beans first fall on the top of the screening net 3, and slide from the right end to the left end of the screening net 3 for screening. The screening net 3 performs a preliminary screening on the beans, and screens out impurities (including shriveled beans, broken beans, stones, etc.) in the beans, and the screened impurities flow out of the screening box from the discharge port 9 through the impurity guide plate 6. The beans screened on the screening net 3 fall on the primary screen 4; the beans slide from left to right on the primary screen 4 to screen out the smallest part of the beans, and the screened impurities Small-particle beans flow out of the screening box from the first discharge pipe 10 through the small-bean guide plate 7; the beans screened by the medium-sized screen 5 fall onto the medium-sized screen 5, and the beans slide from right to left on the medium-sized screen 5 for screening, screening out a portion of the medium-sized beans, and the screened medium-sized beans flow out of the screening box from the second discharge pipe 11 through the medium-sized bean guide plate 8; finally, the large-particle beans remaining in the screening box 1 flow out through the third discharge pipe 12, which is not only easy to screen out impurities in the beans, but also easy to screen and grade the beans multiple times, meeting the processing needs of soy products of different qualities.

[0019] As a technical optimization solution of the present invention, the left end of the top inside the screening box 1 is fixedly connected to a dust hood 13 parallel to the screening net 3, and the screening box 1 is provided with an exhaust fan 14, a connecting box 15, and a collecting box 16; the input end of the exhaust fan 14 is connected to the connecting box 15 through a pipe, and the side of the connecting box 15 away from the exhaust fan 14 is connected to the dust hood 13 through a pipe, the top of the collecting box 16 is detachably connected to the bottom of the connecting box 15, and the collecting box 16 is connected to the connecting box 15, and a filter cover 17 is provided in the connecting box 15.

[0020] In this embodiment, the exhaust fan 14 is started, and suction is generated in the dust cover 13, which makes it easy to suck away the branches and leaves on the screening net 3. The branches and leaves enter the connecting box 15, and the filter cover 17 filters the branches and leaves in the connecting box 15, and the air is discharged from the exhaust fan 14; the bottom of the connecting box 15 is funnel-shaped. When the exhaust fan 14 is turned off, the branches and leaves filtered in the connecting box 15 fall into the collecting box 16, which is easy to clean, thereby improving the quality of bean screening.

[0021] As a technical optimization solution of the present invention, a base 18 and legs 19 are provided below the screening box 1 . The legs 19 are vertically arranged on the top of the base 18 , and the screening box 1 is arranged on the base 18 through the legs 19 .

[0022] In this embodiment, the screening box 1 is easily supported and fixed by the base 18 and the legs 19 .

[0023] As a technical optimization solution of the present invention, a placement plate 20 is provided below the slag discharge port 9 , and an impurity frame 21 is provided on the placement plate 20 .

[0024] In this embodiment, the placement plate 20 is placed in the impurity frame 21 , and impurities flow out from the slag discharge port 9 . The impurity frame 21 is easy to receive the screened impurities.

[0025] As a technical optimization solution of the present invention, a receiving frame 22 is provided below the first discharge pipe 10 , the second discharge pipe 11 , and the third discharge pipe 12 , and the receiving frame 22 is located on the top of the base 18 .

[0026] In this embodiment, the receiving frame 22 is used to further facilitate the collection of the screened beans.

[0027] As a technical optimization solution of the present invention, distance sensors 23 and alarms 24 are provided on the outer walls of the first discharge pipe 10, the second discharge pipe 11 and the third discharge pipe 12, and a controller 25 is provided on the screening box 1. The controller 25 is electrically connected to the first discharge pipe 10, the second discharge pipe 11, the third discharge pipe 12 and the alarm 24 respectively.

[0028] In this embodiment, the distance sensor 23 can monitor the beans inside the receiving frame 22. The controller 25 receives the monitored value. When the value is higher than the set value, the controller 25 activates the alarm 24 to remind the staff to replace the receiving frame 22. The controller 25 is a PLC touch screen all-in-one machine.

[0029] Working principle: first, the beans enter the screening box from the feed hopper 2, and the beans first fall above the screening net 3. The screening net 3 performs a preliminary screening on the beans, and the impurities in the beans are screened out. The screened impurities flow out of the screening box from the impurity guide plate 6 through the impurity guide plate 6; and the exhaust fan 14 is started, and suction is generated in the dust cover 13. When the beans on the screening net 3 slide to the left end, it is easy to suck away the stem diameter and dry leaves of the beans on the screening net 3 to prevent the beans from containing stem diameter and dry leaves; the smallest part of the beans is screened out through the primary screen 4, and the screened small-particle beans flow out of the screening box from the first discharge pipe 10 through the small-particle guide plate 7; the medium-particle screen 5 screens out a part of the medium-particle beans in the beans, and the screened medium-particle beans flow out of the screening box from the second discharge pipe 11 through the medium-particle guide plate 8; finally, the large-particle beans remaining in the screening box 1 flow out through the third discharge pipe 12.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A screening device for screening soy products, comprising a screening box (1) and a feed hopper (2) arranged on the screening box (1), characterized in that: The inside of the screening box (1) is provided with a screening net (3), a primary screen (4), and a medium screen (5) in an inclined manner from top to bottom; the aperture of the screening net (3) is smaller than the aperture of the primary screen (4), and the aperture of the primary screen (4) is smaller than the aperture of the medium screen (5); the right end of the screening net (3) is higher than the left end, the left end of the primary screen (4) is higher than the right end, and the right end of the medium screen (5) is higher than the left end, and there is a gap between the left end of the screening net (3), the right end of the primary screen (4), and the left end of the medium screen (5) and the inner wall of the screening box (1). An impurity guide plate (6), a small bean guide plate (7), and a medium bean guide plate (8) are obliquely arranged below the left end of the screening net (3), below the right end of the primary screen (4), and below the left end of the medium screen (5); a slag discharge port (9), a first discharge pipe (10), and a second discharge pipe (11) connected to the screening box (1) are respectively arranged on the right side of the impurity guide plate (6), the left side of the impurity guide plate (6), and the right side of the medium bean guide plate (8); the bottom of the inner wall of the screening box (1) is funnel-shaped, and a third discharge pipe (12) is arranged at the bottom of the screening box (1).

2. The screening device for bean product screening according to claim 1, characterized in that: The left end of the top of the screening box (1) is fixedly connected to a dust hood (13) parallel to the screening net (3); the screening box (1) is provided with an exhaust fan (14), a connecting box (15), and a collecting box (16); the input end of the exhaust fan (14) is connected to the connecting box (15) through a pipeline, and the side of the connecting box (15) away from the exhaust fan (14) is connected to the dust hood (13) through a pipeline, the top of the collecting box (16) is detachably connected to the bottom of the connecting box (15), and the collecting box (16) is connected to the connecting box (15), and a filter cover (17) is provided in the connecting box (15).

3. The screening device for bean product screening according to claim 1, characterized in that: A base (18) and legs (19) are provided below the screening box (1), and the legs (19) are vertically arranged on the top of the base (18). The screening box (1) is arranged on the base (18) through the legs (19).

4. The screening device for bean product screening according to claim 1, characterized in that: A storage plate (20) is provided below the slag discharge port (9), and an impurity frame (21) is provided on the storage plate (20).

5. The screening device for bean product screening according to claim 3, characterized in that: A receiving frame (22) is provided below the first discharge pipe (10), the second discharge pipe (11), and the third discharge pipe (12), and the receiving frame (22) is located on the top of the base (18).

6. The screening device for bean product screening according to claim 1, characterized in that: Distance sensors (23) and alarms (24) are provided on the outer walls of the first discharge pipe (10), the second discharge pipe (11), and the third discharge pipe (12); a controller (25) is provided on the screening box (1); and the controller (25) is electrically connected to the first discharge pipe (10), the second discharge pipe (11), the third discharge pipe (12), and the alarm (24), respectively.

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