Multi-stage screening device for pig feed production

Abstract

The utility model relates to the technical field of screening, and discloses a pig feed production multi-stage screening device which comprises a bottom frame, a fixed bottom plate is slidably connected in a sliding groove formed in the bottom frame, and a screening cylinder is fixedly connected to the fixed bottom plate. By arranging the rotating motor, the rotating chain wheel, the hollow shaft and the screen, the rotating shaft drives the rotating chain wheel to rotate while driving the auger blade to rotate, then the transmission chain drives the transmission chain wheel to rotate, and then the hollow shaft drives the square shaft to rotate in the fixing block; at the moment, raw materials on the outer surface of a screen are pushed and screened while rotating blades rotate, the raw materials which cannot pass through the screen fall to a baffle, then enter a conveying hose and then enter a material returning barrel, and at the moment, the raw materials are conveyed to the top end through auger blades and then enter the screening barrel again along a material returning hose; and therefore, the function of multi-stage circulating screening of the raw materials with different sizes is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-stage screening, and more specifically, to a multi-stage screening device for pig feed production. Background Art

[0002] Pig feed is typically a combination of protein, energy, roughage, greens, silage, minerals, and feed additives. It's categorized as complete feed, concentrate, and premix. Complete feed is a blend of protein, energy, roughage, and additives. Commercially available complete feeds are primarily machine-processed pellets, with some being extruded pellets. These can be fed directly to pigs and fully meet their nutritional needs.

[0003] When operators process raw materials for pig feed production, they often use pig feed screening devices. However, existing pig feed screening devices often have some shortcomings during use. Most raw material screening equipment only performs one-time screening during screening and cannot perform multiple screenings, which leads to the mixing of raw materials of different sizes. In addition, most screening devices are not equipped with a screening return structure, resulting in incomplete screening. In order to solve the problem of mixing raw materials of different sizes due to insufficient screening and in order to solve the problem of incomplete screening, we propose a multi-stage screening device for pig feed production. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a multi-stage screening device for pig feed production, which has the advantage of multi-stage circular screening of production raw materials of different sizes.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a multi-stage screening device for pig feed production, comprising:

[0006] A base frame is provided, wherein a fixed base plate is slidably connected in a chute provided inside the base frame, a screening cylinder is fixedly connected to the fixed base plate, and a cover plate is fixedly installed on the top of the screening cylinder.

[0007] A screening mechanism, the screening mechanism being arranged inside the chassis;

[0008] The transmission gear of said sliding panel also is provided with an inner circle which is provided with a toothed connecting strip which is cooperatively connected with the toothed connecting gear of said frame, and the outer circle which is provided with a toothed connecting gear is connected with the toothed connecting gear of said frame.

[0009] As an optimal technical solution of the present invention, a return barrel is fixed on the base frame, the top of the return barrel is fixedly connected to the fixed plate, the bottom end of the return barrel is rotatably sleeved with the rotating shaft, and the outer surface of the rotating shaft is fixedly sleeved with an auger blade.

[0010] As a preferred technical solution of the present invention, a baffle is fixedly installed inside the screening drum, and the baffle is installed at an angle.

[0011] As a preferred technical solution of the present invention, a feed port is fixedly connected to the cover plate, and the feed port has a funnel-shaped shape.

[0012] As a preferred technical solution of the present invention, a material delivery hose is fixedly connected between the screening cylinder and the return cylinder.

[0013] As a preferred technical solution of the present invention, a return hose is fixedly connected between the return drum and the screening drum, and a return pipe valve is installed on the return hose.

[0014] As a preferred technical solution of the present invention, a discharge pipe is fixedly installed on the outer surface of the return cylinder, and a discharge pipe valve is installed on the discharge pipe.

[0015] As an optimal technical solution of the present utility model, a drive motor is fixedly installed on the base frame, and two sets of drive shafts are rotatably installed inside the base frame. The output shaft of the drive motor is fixedly connected to one set of drive shafts, and an elliptical rod is fixedly sleeved on the outer surface of the drive shaft, and the elliptical rod is in contact with the fixed base plate.

[0016] As an optimal technical solution of the present invention, the ends of the two groups of drive shafts are fixedly sleeved with drive gears, the outer surfaces of the drive gears are movably connected to the base frame, and a transmission belt is connected between the two groups of drive gears.

[0017] As an optimal technical solution of the present invention, a fixing rod is fixedly connected to the inside of the base frame, the outer surface of the fixing rod is movably connected to the fixed base plate, the top end of the fixing rod is fixedly connected to a fixing ring, the bottom end of the fixing ring is fixedly connected to a spring, and the bottom end of the spring is fixedly connected to the fixed base plate.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] 1. The utility model is provided with a rotating motor, a rotating sprocket, a hollow shaft and a screen. When the rotating motor is started, the rotating shaft drives the rotating sprocket to rotate while driving the auger blades, and then drives the transmission sprocket to rotate through the transmission chain. Then the hollow shaft will drive the square shaft to rotate in the fixed block. At this time, the rotating blades will push the raw materials on the outer surface of the screen while rotating. The raw materials that pass through the screen will fall into the inside of the material receiving box and then be collected by the material guide box. The raw materials that cannot pass through the screen will fall through the opening at the edge of the material receiving box and enter the feed hose along the baffle, and then enter the inside of the return barrel. At this time, the raw materials will be sent to the top through the auger blades and then enter the inside of the screening barrel again along the return hose for secondary screening, thereby realizing the function of multi-stage circulation screening of raw materials of different sizes.

[0020] 2. The utility model is provided with a driving motor, an elliptical rod, a driving gear and a transmission toothed belt. When the driving motor is started, the driving shaft will drive the elliptical rod to rotate and drive the driving gear to rotate at the same time. Since the two driving gears are transmitted through the transmission toothed belt, when the driving gear rotates, it will drive the other elliptical rod to rotate through another driving shaft. At this time, the elliptical rod will push the fixed base plate to move up and down along the sliding groove opened by the fixed rod inside the chassis. When the fixed base plate moves downward, the spring will push the fixed base plate to move more forcefully, and the full screening effect can be achieved by shaking up and down. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the back structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0024] Figure 4This is a schematic diagram of the screening mechanism structure of the utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the shaking mechanism of the utility model;

[0026] In the figure: 1. Base frame; 2. Leakage port; 3. Fixed bottom plate; 4. Screening drum; 5. Return drum; 6. Fixed plate; 7. Rotating motor; 8. Rotating shaft; 9. Auger blade; 10. Rotating sprocket; 11. Drive chain; 12. Drive sprocket; 13. Hollow shaft; 14. Square shaft; 15. Rotating blade; 16. Screen; 17. Material collection box; 18. Material guide box; 19. Baffle; 20. Ring plate; 21. Drive motor; 22. Drive shaft; 23. Elliptical rod; 24. Drive gear; 25. Transmission toothed belt; 26. Fixed rod; 27. Spring; 28. Fixed ring; 29. ​​Cover plate; 30. Return pipe valve; 31. Return hose; 32. Discharge pipe valve; 33. Discharge pipe; 34. Delivery hose; 35. Feed port. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] like Figures 1 to 5 As shown, the utility model provides a multi-stage screening device for pig feed production, comprising:

[0029] The base frame 1 has a fixed base plate 3 slidably connected in a chute provided inside the base frame 1 , a screening drum 4 is fixedly connected to the fixed base plate 3 , and a cover plate 29 is fixedly installed on the top of the screening drum 4 .

[0030] A screening mechanism is provided inside the chassis 1;

[0031] The screening mechanism includes a fixed plate 6, a rotating motor 7 is fixedly installed inside the fixed plate 6, one end of the output shaft of the rotating motor 7 is fixedly connected to a rotating shaft 8, the outer surface of the rotating shaft 8 is fixedly sleeved with a rotating sprocket 10, the outer surface of the rotating sprocket 10 is meshed with a transmission chain 11, the other end of the transmission chain 11 is internally meshed with a transmission sprocket 12, the outer surface of the transmission sprocket 12 is movably sleeved with the fixed plate 6, the interior of the transmission sprocket 12 is fixedly sleeved with a hollow shaft 13, and the interior of the hollow shaft 13 is movably sleeved with a square shaft 14 The outer surface of the hollow shaft 13 is fixedly sleeved with a rotating blade 15, and an annular plate 20 is fixedly installed inside the screening cylinder 4. A number of leakage ports 2 are opened on the annular plate 20, and a screen 16 is installed in the middle of the annular plate 20. The screen 16 is in contact with the rotating blade 15. A material receiving box 17 is installed at the bottom of the screen 16. The material receiving box 17 is fixedly connected to the inside of the screening cylinder 4, and the material receiving box 17 is movably sleeved with the outer surface of the hollow shaft 13. A material guide box 18 is fixedly connected to the outer surface of the material receiving box 17, and the material guide box 18 is communicated with the outside of the screening cylinder 4.

[0032] When the rotating motor 7 is started, the rotating shaft 8 will drive the rotating sprocket 10 to rotate, and then drive the transmission sprocket 12 to rotate inside the fixed plate 6 through the transmission chain 11, and then the hollow shaft 13 will drive the square shaft 14 to rotate. At this time, the rotating blade 15 will rotate along the outer surface of the screen 16 driven by the hollow shaft 13. Smaller raw materials pass through the screen 16 into the material receiving box 17 and are collected along the material guide box 18. The raw materials that do not enter the material receiving box 17 will be moved by the rotating blade 15 and fall from the several leakage ports 2 opened on the annular plate 20.

[0033] Among them, a return barrel 5 is fixed on the base frame 1, the top of the return barrel 5 is fixedly connected to the fixed plate 6, the bottom end of the return barrel 5 is rotatably sleeved with the rotating shaft 8, and the outer surface of the rotating shaft 8 is fixedly sleeved with an auger blade 9.

[0034] When the rotating shaft 8 rotates, the auger blades 9 are driven to rotate inside the return barrel 5 .

[0035] A baffle 19 is fixedly installed inside the screening drum 4, and the baffle 19 is installed at an angle.

[0036] Due to the design of the baffle 19, the raw materials that have not passed the screening can enter the material return mechanism better.

[0037] The cover plate 29 is fixedly connected with a feed port 35 , which has a funnel-shaped shape.

[0038] The design of the feed port 35 makes it convenient for operators to perform filling.

[0039] A material delivery hose 34 is fixedly connected between the screening drum 4 and the return drum 5 .

[0040] After the raw materials are screened, the unscreened raw materials will enter the material return mechanism through the material delivery hose 34.

[0041] A return hose 31 is fixedly connected between the return drum 5 and the screening drum 4 , and a return pipe valve 30 is installed on the return hose 31 .

[0042] When the return pipe valve 30 is opened, the raw materials will enter the screening cylinder 4 through the return hose 31 for secondary screening; when the return pipe valve 30 is closed, the raw materials will remain in the return cylinder 5.

[0043] A discharge pipe 33 is fixedly mounted on the outer surface of the return barrel 5 , and a discharge pipe valve 32 is mounted on the discharge pipe 33 .

[0044] When the screening is completed, the discharge pipe valve 32 is opened and the raw materials are collected through the discharge pipe 33.

[0045] Among them, a driving motor 21 is fixedly installed on the base frame 1, and two sets of driving shafts 22 are rotatably installed inside the base frame 1. The output shaft of the driving motor 21 is fixedly connected to one set of driving shafts 22. An elliptical rod 23 is fixedly sleeved on the outer surface of the driving shaft 22, and the elliptical rod 23 is in contact with the fixed base plate 3.

[0046] When the driving motor 21 is started, the driving shaft 22 will drive the elliptical rod 23 to rotate and then push the fixed base plate 3 to move up and down as a whole.

[0047] The ends of the two sets of driving shafts 22 are fixedly sleeved with driving gears 24 , the outer surfaces of the driving gears 24 are movably connected to the base frame 1 , and a transmission belt 25 is connected between the two sets of driving gears 24 .

[0048] Since the two driving gears 24 are connected to each other via the transmission belt 25 , when the driving shaft 22 rotates, the driving gear 24 will drive the other elliptical rod 23 to rotate via the other driving shaft 22 .

[0049] Among them, the interior of the base frame 1 is fixedly connected to a fixing rod 26, the outer surface of the fixing rod 26 is movably connected to the fixed base plate 3, the top end of the fixing rod 26 is fixedly connected to a fixing ring 28, the bottom end of the fixing ring 28 is fixedly connected to a spring 27, and the bottom end of the spring 27 is fixedly connected to the fixed base plate 3.

[0050] Due to the design of the spring 27 , the fixed base plate 3 is more powerful when it moves up and down along the fixed rod 26 .

[0051] The working principle and use process of this utility model:

[0052] First, the operator pours the production materials that need to be screened into the screening drum 4 from the feed port 35, and then the operator starts the rotating motor 7. At this time, the rotating shaft 8 drives the auger blade 9 to rotate in the return drum 5, and at the same time, it also drives the rotating sprocket 10 to rotate. Since the rotating sprocket 10 and the transmission sprocket 12 are chain-driven by the transmission chain 11, when the rotating sprocket 10 rotates, it will drive the transmission sprocket 12 to rotate inside the fixed plate 6 through the transmission chain 11. At the same time, the hollow shaft 13 will drive the square shaft 14 to rotate, and will also drive the rotating blade 15 to rotate as a whole. At this time, the rotating The blades 15 will move the production materials to be screened while rotating on the outer surface of the screen 16. The smaller materials will pass through the screen 16 and fall into the interior of the receiving box 17 and be collected by the guide box 18. The uncollected materials will fall onto the baffle 19 through the several leakage ports 2 opened on the annular plate 20, and then enter the interior of the return drum 5 through the feeding hose 34. At this time, the production materials will be sent to the top through the auger blades 9, and then the operator will open the return pipe valve 30. The production materials will fall back into the interior of the screening drum 4 through the return hose 31 for secondary screening. Multiple cycles of screening will achieve the effect of complete screening.

[0053] At the same time, the operator starts the drive motor 21. At this time, the drive shaft 22 will drive the elliptical rod 23 to rotate and drive the drive gear 24 to rotate. Since the two drive gears 24 are transmitted through the transmission toothed belt 25, when the drive gear 24 rotates, it will drive another set of elliptical rods 23 to rotate through another set of drive shafts 22. At this time, the elliptical rods 23 will drive the fixed bottom plate 3 along the outer surface of the fixed rod 26 inside the chute when rotating, thereby driving the screening drum 4 to move up and down as a whole. When the fixed bottom plate 3 drives the screening drum 4 to move downward as a whole, the spring 27 will push the fixed bottom plate 3 to make the overall downward movement more powerful. When the screening is completed, the operator closes the return pipe valve 30 and starts the discharge pipe valve 32 at the same time. The remaining raw materials that cannot pass through the screen 16 will be collected through the discharge pipe 33, and the screening of production raw materials is finally completed.

[0054] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0055] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage screening device for pig feed production, characterized in that: Includes: A base frame (1) is provided, wherein a fixed base plate (3) is slidably connected in a chute provided inside the base frame (1), a screening cylinder (4) is fixedly connected to the fixed base plate (3), and a cover plate (29) is fixedly mounted on the top end of the screening cylinder (4). A screening mechanism, the screening mechanism being arranged inside the base frame (1); The screening mechanism comprises a fixed plate (6), a rotating motor (7) is fixedly installed inside the fixed plate (6), one end of the output shaft of the rotating motor (7) is fixedly connected to a rotating shaft (8), the outer surface of the rotating shaft (8) is fixedly sleeved with a rotating sprocket (10), the outer surface of the rotating sprocket (10) is meshed with a transmission chain (11), the other end of the transmission chain (11) is meshed with a transmission sprocket (12), the outer surface of the transmission sprocket (12) is movably sleeved with the fixed plate (6), the interior of the transmission sprocket (12) is fixedly sleeved with a hollow shaft (13), the interior of the hollow shaft (13) is movably sleeved with a square shaft (14), and the hollow shaft (14) is fixedly sleeved with a square shaft (14). The outer surface of the core shaft (13) is fixedly sleeved with a rotating blade (15), the interior of the screening cylinder (4) is fixedly installed with an annular plate (20), the annular plate (20) is provided with a plurality of material leakage openings (2), a screen (16) is installed in the middle of the annular plate (20), the screen (16) is in contact with the rotating blade (15), a material receiving box (17) is installed at the bottom of the screen (16), the material receiving box (17) is fixedly connected to the interior of the screening cylinder (4), the material receiving box (17) is movably sleeved with the outer surface of the hollow shaft (13), the outer surface of the material receiving box (17) is fixedly connected with a material guide box (18), and the material guide box (18) is connected to the outside of the screening cylinder (4).

2. A multi-stage screening device for pig feed production according to claim 1, characterized in that: A return barrel (5) is fixed on the base frame (1), the top end of the return barrel (5) is fixedly connected to the fixed plate (6), the bottom end of the return barrel (5) is rotatably sleeved with the rotating shaft (8), and an auger blade (9) is fixedly sleeved on the outer surface of the rotating shaft (8).

3. A multi-stage screening device for pig feed production according to claim 2, characterized in that: A baffle (19) is fixedly installed inside the screening drum (4), and the baffle (19) is installed at an angle.

4. A multi-stage screening device for pig feed production according to claim 3, characterized in that: A feed port (35) is fixedly connected to the cover plate (29), and the feed port (35) has a funnel-shaped appearance.

5. The multi-stage screening device for pig feed production according to claim 4, characterized in that: A material delivery hose (34) is fixedly connected between the screening cylinder (4) and the return cylinder (5).

6. The multi-stage screening device for pig feed production according to claim 5, characterized in that: A return hose (31) is fixedly connected between the return cylinder (5) and the screening cylinder (4), and a return pipe valve (30) is installed on the return hose (31).

7. The multi-stage screening device for pig feed production according to claim 6, characterized in that: A discharge pipe (33) is fixedly mounted on the outer surface of the return barrel (5), and a discharge pipe valve (32) is mounted on the discharge pipe (33).

8. The multi-stage screening device for pig feed production according to claim 7, characterized in that: A driving motor (21) is fixedly mounted on the base frame (1), and two sets of driving shafts (22) are rotatably mounted inside the base frame (1). The output shaft of the driving motor (21) is fixedly connected to one set of the driving shafts (22), and an elliptical rod (23) is fixedly sleeved on the outer surface of the driving shaft (22), and the elliptical rod (23) is in contact with the fixed base plate (3).

9. The multi-stage screening device for pig feed production according to claim 8, characterized in that: The ends of the two sets of drive shafts (22) are fixedly sleeved with drive gears (24), the outer surfaces of the drive gears (24) are movably connected to the base frame (1), and a transmission toothed belt (25) is connected between the two sets of drive gears (24).

10. The multi-stage screening device for pig feed production according to claim 9, characterized in that: The interior of the base frame (1) is fixedly connected to a fixing rod (26), the outer surface of the fixing rod (26) is movably sleeved with the fixed base plate (3), the top end of the fixing rod (26) is fixedly connected to a fixing ring (28), the bottom end of the fixing ring (28) is fixedly connected to a spring (27), and the bottom end of the spring (27) is fixedly connected to the fixed base plate (3).

Images