A drum-type multi-stage screening device for feed

Abstract

The utility model discloses a cylindrical multi-stage screening device for feed, including a screening box, and a driving motor is arranged on the side surface of the screening box. When the utility model is in use, the feed is put into the feed bin and enters the screening box, and then the driving motor is started, and the support frame is driven by the rotating shaft, and then the primary filter screen, the secondary filter screen and the tertiary filter screen at the mounting bar are driven by the circular ring to perform multi-stage screening on the feed. The primary spiral conveying plate, the secondary spiral conveying plate and the tertiary spiral conveying plate are arranged to convey the feed, and the feed is pushed to one side while being screened. The arrangement of the annular guide plate guides the feed, so that the screened feed is concentrated in one place, which is convenient for the subsequent screening operation of the feed. The utility model has a simple structure, is easy to operate, and greatly extends the screening path of the feed screening, ensuring its screening effect and not prone to accumulation.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a drum-type multi-stage screening device for feed. Background Art

[0002] Feed is a general term for food for animals raised by all people. In a narrower sense, feed mainly refers to food for animals raised in agriculture or animal husbandry. Feed includes more than ten varieties of feed raw materials such as soybeans, soybean meal, corn, fish meal, amino acids, miscellaneous meal, whey powder, oils, meat and bone meal, grains, feed additives, etc. Feed needs to be screened during feed processing.

[0003] After searching, the publication number is: CN217550466U. A rotary multi-layer screening device for feed processing belongs to the technical field of screening devices. The key points of its technical solution include two side plates, a motor is installed on the left side of the mounting seat, and a rotating screen drum is installed on the left end of the rotating shaft. The outer wall of the rotating screen drum is fixedly connected with a material receiving outer drum, and the lower end face of the material receiving outer drum is connected with multiple discharge pipes matching the discharge port; the rotating screen drum includes a second cover plate and a first cover plate distributed on the left and right, and multiple filter drums are fixedly connected between the second cover plate and the first cover plate, and the inner side walls of the multiple filter drums are fixedly connected with filter partitions at the joints, and the right side of the first cover plate is connected with a feed port; thereby, the device is convenient for multi-stage rotary screening of feed, and is convenient for classifying and screening feed of particles of different sizes, and it is convenient to classify and collect and discharge the screened feed particles during multi-stage rotary screening, avoiding the problem of dust flying during the screening process.

[0004] The existing technology has the following problems:

[0005] Although the above utility model can perform multi-stage screening operations on feed, the feed is very likely to pile up during the screening process, thereby affecting the multi-stage screening efficiency of the feed.

[0006] To this end, we proposed a cylindrical multi-stage screening device for feed to solve the above-mentioned drawbacks. Utility Model Content

[0007] The purpose of the utility model is to solve the problem in the prior art that although the above-mentioned utility model can perform multi-stage screening operations on feed, the feed is very easy to pile up during the screening process, thereby affecting the multi-stage screening efficiency of the feed, and a cylindrical multi-stage screening device for feed is proposed.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] A drum-type multi-stage screening device for feed comprises a screening box, wherein a driving motor is arranged on the side surface of the screening box, and a support frame is installed at the output end of the driving motor through a rotating shaft, the support frame is connected with a circular ring, a mounting strip is arranged between two of the circular rings, and a primary filter screen, a secondary filter screen and a tertiary filter screen are respectively arranged on one side of multiple groups of the mounting strips, a primary spiral conveying plate is arranged on the side surface of the support frame, and the primary spiral conveying plate is fitted with the primary filter screen, a secondary spiral conveying plate is arranged on the outer side of the primary spiral conveying plate, and the secondary spiral conveying plate is fitted with the secondary filter screen, a third spiral conveying plate is arranged below the secondary spiral conveying plate, and is fitted with the third filter screen, an annular material guide plate is arranged below the primary filter screen and the secondary filter screen, a feeding bin is arranged on the side surface of the screening box, a discharging port is arranged on the side surface of the screening box, a slag discharge port is arranged on the lower surface of the screening box, and an inspection port is arranged on the side surface of the screening box.

[0010] Preferably, the first-stage filter screen, the second-stage filter screen and the third-stage filter screen are each provided in plurality, and the plurality of the first-stage filter screens, the second-stage filter screens and the third-stage filter screens are arranged in a ring array structure.

[0011] Preferably, the annular material guide plate is arranged at an inclined angle, and the inclination angle is 15° in the horizontal direction.

[0012] Preferably, an air duct is provided on the side surface of the screening box, and an air outlet is provided on the lower surface of the air duct.

[0013] Preferably, the lower surface of the screening box is provided with supporting legs.

[0014] Preferably, a control panel is provided on the side surface of the screening box.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) The utility model is provided with a screening box, a circular ring, a support frame, a driving motor, a mounting bar, a primary filter screen, a secondary filter screen, a tertiary filter screen, a primary spiral conveying plate, a secondary spiral conveying plate, a tertiary spiral conveying plate, a circular guide plate, a feed bin, a discharge port and a slag discharge port. When in use, the feed is put into the feed bin and enters the screening box, and then the driving motor is started to drive the support frame through the rotating shaft, and then drive the primary filter screen, the secondary filter screen and the tertiary filter screen at the mounting bar through the circular ring to perform multi-stage screening of the feed. The primary spiral conveying plate, the secondary spiral conveying plate and the tertiary spiral conveying plate are The setting is used to convey the feed and push it to one side while the feed is being screened. The setting of the annular guide plate guides the feed, so that the screened feed is concentrated in one place, which is convenient for subsequent screening of the feed. The utility model has a simple structure and is easy to operate. It greatly extends the screening path of the feed screening, ensures its screening effect and is not prone to accumulation. The last-stage filter, the second-stage filter and the third-stage filter all adopt a plug-in structure, which is convenient for subsequent staff to inspect and replace the first-stage filter, the second-stage filter and the third-stage filter according to their use and loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below.

[0018] Figure 1 This is a schematic diagram of the structure of a cylindrical multi-stage screening device for feed proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the circular side view of the structure of a cylindrical multi-stage screening device for feed proposed by the utility model;

[0020] Figure 3 The utility model is a schematic diagram of the circular side view of the structure of a cylindrical multi-stage screening device for feed.

[0021] Legend:

[0022] 1. Screening box; 2. Ring; 3. Support frame; 4. Drive motor; 5. Mounting bar; 6. Primary filter; 7. Secondary filter; 8. Thirdary filter; 9. Primary spiral conveyor plate; 10. Secondary spiral conveyor plate; 11. Thirdary spiral conveyor plate; 12. Annular guide plate; 13. Inspection port; 14. Air duct; 15. Feed bin; 16. Discharge port; 17. Support legs; 18. Slag discharge port; 19. Control panel. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0024] Please refer to Figure 1-3 A cylindrical multi-stage screening device for feed comprises a screening box 1, a driving motor 4 is arranged on the side surface of the screening box 1, a support frame 3 is installed on the output end of the driving motor 4 through a rotating shaft, a ring 2 is connected to the support frame 3, a mounting bar 5 is arranged between two rings 2, a primary filter screen 6, a secondary filter screen 7 and a tertiary filter screen 8 are arranged on one side of multiple groups of mounting bars 5, a primary spiral conveying plate 9 is arranged on the side surface of the support frame 3, and the primary spiral conveying plate 9 is in contact with the primary filter screen 6, and the primary spiral conveying plate A secondary spiral conveying plate 10 is arranged on the outer side of 9, and the secondary spiral conveying plate 10 is fitted with the secondary filter screen 7, a tertiary spiral conveying plate 11 is arranged below the secondary spiral conveying plate 10 and is fitted with the tertiary filter screen 8, an annular material guide plate 12 is arranged below the primary filter screen 6 and the secondary filter screen 7, a feed bin 15 is arranged on the side surface of the screening box 1, a discharge port 16 is arranged on the side surface of the screening box 1, a slag discharge port 18 is arranged on the lower surface of the screening box 1, and an inspection port 13 is arranged on the side surface of the screening box 1.

[0025] In this embodiment: when in use, the feed is put into the feed bin 15 and enters the screening box 1, and then the driving motor 4 is started, the support frame 3 is driven by the rotating shaft, and then the primary filter screen 6, the secondary filter screen 7 and the tertiary filter screen 8 at the mounting bar 5 are driven by the circular ring 2 to perform multi-stage screening of the feed. The primary spiral conveying plate 9, the secondary spiral conveying plate 10 and the tertiary spiral conveying plate 11 are provided for conveying the feed, and the feed is pushed to one side while being screened. The setting of the annular guide plate 12 guides the feed, so that the screened feed is concentrated in one place, which is convenient for subsequent screening of the feed. The utility model has a simple structure and is easy to operate. It greatly extends the screening path of the feed screening, ensures its screening effect and is not prone to accumulation. The last filter screen 6, the secondary filter screen 7 and the tertiary filter screen 8 all adopt a plug-in structure, which is convenient for subsequent staff to inspect and replace the primary filter screen 6, the secondary filter screen 7 and the tertiary filter screen 8 according to their use and loss.

[0026] Specifically, a plurality of the primary filter screen 6 , the secondary filter screen 7 and the tertiary filter screen 8 are provided, and the plurality of primary filter screens 6 , the secondary filter screens 7 and the tertiary filter screens 8 are arranged in a ring array structure.

[0027] In this embodiment, it is convenient for the staff to inspect and replace the primary filter 6, the secondary filter 7 and the tertiary filter 8 in batches.

[0028] Specifically, the annular material guide plate 12 is arranged at an inclined angle, and the inclined angle is 15° in the horizontal direction.

[0029] In this embodiment, the feed is caused to roll along the inclination angle of the annular guide plate 12 .

[0030] Specifically, the side surface of the screening box 1 is provided with an air duct 14 , and the lower surface of the air duct 14 is provided with an air outlet.

[0031] In this embodiment, the air duct 14 is connected to the fan to blow air on the primary filter 6, the secondary filter 7 and the tertiary filter 8, thereby achieving an anti-blocking effect.

[0032] Specifically, the lower surface of the screening box 1 is provided with supporting legs 17 .

[0033] In this embodiment, the support legs 17 are provided to support the screening box 1 .

[0034] Specifically, a control panel 19 is provided on the side surface of the screening box 1 .

[0035] In this embodiment: a control panel 19 is provided to control the screening device. The control circuit of the control panel 19 can be realized by simple programming by technicians in this field. It is common knowledge in this field and is only used without modification. Therefore, the control method and circuit connection will not be described in detail.

[0036] Working principle: when in use, the feed is put into the feed bin 15 and enters the screening box 1, and then the driving motor 4 is started to drive the support frame 3 through the rotating shaft, and then the primary filter screen 6, the secondary filter screen 7 and the tertiary filter screen 8 at the mounting bar 5 are driven through the circular ring 2 to perform multi-stage screening of the feed. The primary spiral conveying plate 9, the secondary spiral conveying plate 10 and the tertiary spiral conveying plate 11 are provided for conveying the feed and pushing it to one side while the feed is being screened. The setting of the annular guide plate 12 guides the feed, so that the screened feed is concentrated in one place, which is convenient for subsequent screening of the feed. The utility model has a simple structure and is easy to operate. It greatly extends the screening path of the feed screening, ensures its screening effect and is not prone to accumulation. The last filter screen 6, the secondary filter screen 7 and the tertiary filter screen 8 all adopt a plug-in structure, which is convenient for subsequent staff to inspect and replace the primary filter screen 6, the secondary filter screen 7 and the tertiary filter screen 8 according to their use and loss.

[0037] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A cylindrical multi-stage screening device for feed, comprising a screening box (1), characterized in that: The side surface of the screening box (1) is provided with a driving motor (4), the output end of the driving motor (4) is provided with a support frame (3) via a rotating shaft, the support frame (3) is connected with a circular ring (2), a mounting bar (5) is provided between two circular rings (2), a primary filter screen (6), a secondary filter screen (7) and a tertiary filter screen (8) are provided on one side of a plurality of groups of the mounting bars (5), a primary spiral conveying plate (9) is provided on the side surface of the support frame (3), and the primary spiral conveying plate (9) is in contact with the primary filter screen (6), and a secondary spiral conveying plate (9) is provided on the outer side of the primary spiral conveying plate (9). A spiral conveying plate (10) is provided, and the secondary spiral conveying plate (10) is fitted with the secondary filter screen (7); a third-stage spiral conveying plate (11) is provided below the secondary spiral conveying plate (10) and is fitted with the third-stage filter screen (8); an annular material guide plate (12) is provided below the primary filter screen (6) and the secondary filter screen (7); a feed bin (15) is provided on the side surface of the screening box (1); a discharge port (16) is provided on the side surface of the screening box (1); a slag discharge port (18) is provided on the lower surface of the screening box (1); and an inspection port (13) is provided on the side surface of the screening box (1).

2. A cylindrical multi-stage screening device for feed according to claim 1, characterized in that: The first-stage filter screen (6), the second-stage filter screen (7) and the third-stage filter screen (8) are each provided in plurality, and the plurality of the first-stage filter screens (6), the second-stage filter screens (7) and the third-stage filter screens (8) are provided in a ring array structure.

3. A cylindrical multi-stage screening device for feed according to claim 1, characterized in that: The annular material guide plate (12) is arranged at an inclined angle, and the inclined angle is 15° in the horizontal direction.

4. A cylindrical multi-stage screening device for feed according to claim 1, characterized in that: The side surface of the screening box (1) is provided with an air duct (14), and the lower surface of the air duct (14) is provided with an air outlet.

5. A cylindrical multi-stage screening device for feed according to claim 1, characterized in that: The lower surface of the screening box (1) is provided with supporting legs (17).

6. A cylindrical multi-stage screening device for feed according to claim 1, characterized in that: A control panel (19) is provided on the side surface of the screening box (1).

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