High-stability raw material pretreatment device

Abstract

The utility model relates to the technical field of raw material pretreatment, and discloses a high-stability raw material pretreatment device which comprises a shell, a screening barrel is rotatably connected to the interior of the shell, a cleaning assembly is arranged on the upper side of the screening barrel, and gear rings are fixedly connected to the outer walls of the front end and the rear end of the screening barrel. A plurality of hoppers are fixedly connected to the inner wall of the shell, rotating shafts are rotationally connected to the left side and the right side of the middle of the shell correspondingly, crushing rollers are fixedly connected to the outer portions of the rotating shafts correspondingly, large gears are fixedly connected to the rear ends of the rotating shafts correspondingly, and a U-shaped plate is fixedly connected to the middle of the rear side of the shell. According to the crushing device, the screening barrel and the hopper rotate to screen crushed raw materials, and meanwhile, the arranged hopper drives unqualified raw materials to move upwards, fall again, make contact with the rotating crushing rollers and continue to be crushed, so that the processing efficiency of the device is higher, and the crushing effect is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of raw material pretreatment, in particular to a highly stable raw material pretreatment device. Background Art

[0002] The all-solid waste cementitious material is a hydraulic cementitious material prepared by taking the double salt effect and the silicon four-coordination isomerization effect as the theoretical guidance, using the advanced grinding processing technology with high efficiency and low energy consumption, and utilizing the mutual synergistic excitation effect and mechanical activation effect among industrial solid wastes such as granulated blast furnace slag, steel slag, fly ash, industrial by-product gypsum, tailings, desulfurized ash, red mud and alkali slag; before processing the all-solid waste cementitious material, it is necessary to pretreat the raw materials to facilitate subsequent production and use.

[0003] After retrieval, a pretreatment device for the production of bio-organic fertilizer with the publication number CN214390496U includes a box body, a crushing component and a screening component installed in the box body; the crushing component includes a first crushing component and a second crushing component, the first crushing component is located above the second crushing component, the screening component is located below the crushing component, the first crushing component is provided with a plurality of annular cutting grooves along its length direction, the second crushing component is provided with a plurality of vertical cutting strips along its axial direction, and the biological raw materials enter the screening component after being crushed by the first crushing component and the second crushing component. The organic fertilizer preparation device of the utility model is provided with a double-layer crushing component. After being crushed by the double-layer crushing component, the unqualified crushed raw materials are separated by the screening component, and then crushed again, avoiding the problem of uneven granulation in the later stage due to irregular crushing;

[0004] Based on the above patent, the raw materials can be crushed by a double-layer crushing component to improve the crushing effect, and then the unqualified crushed raw materials are separated by the screening component. However, the unqualified raw materials screened cannot be immediately recycled and crushed, and need to be manually taken out later and put into the crushing again, with low efficiency and unstable crushing effect. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a highly stable raw material pretreatment device, which can screen the raw materials after crushing and timely drive the unqualified raw materials to continue crushing, with higher processing efficiency and more stable crushing effect of the device.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A highly stable raw material pretreatment device, including a housing, inside which a screening barrel is rotatably connected. A cleaning component is arranged above the screening barrel. Tooth rings are fixedly connected to the outer walls of the front and rear ends of the screening barrel. A number of hoppers are fixedly connected to the inner wall of the housing. Rotating shafts are rotatably connected to the left and right sides in the middle of the housing. Crushing rollers are fixedly connected to the outer parts of the rotating shafts. Large gears are fixedly connected to the rear ends of the rotating shafts. A U-shaped plate is fixedly connected to the middle of the rear side of the housing. A first motor is fixedly connected to the rear side of the U-shaped plate. The driving shaft of the first motor is fixedly connected to the middle of the rear end of the right rotating shaft.

[0008] Further, the cleaning component includes a rotating rod at the upper end of the housing. A cleaning roller is fixedly connected to the outer part of the rotating rod. Small gears are fixedly connected to the outer walls of the front and rear ends of the rotating rod. A support plate is arranged behind the rotating rod. A second motor is fixedly connected to the upper side of the support plate. The driving shaft of the second motor is fixedly connected to the top of the rear end of the rotating rod.

[0009] Further, the rear end of the rotating rod is rotatably connected to the rear end of the housing.

[0010] Further, the outer wall of the cleaning roller is in close contact with the outer wall of the screening barrel. The lower side of the small gear is meshed with the upper side of the tooth ring.

[0011] Further, the front end of the support plate is fixedly connected to the upper end of the rear side of the housing.

[0012] Further, a cover plate is arranged on the front side of the housing. A feed inlet is arranged at the upper end of the cover plate. A blocking plate is arranged inside the feed inlet.

[0013] Further, a discharge outlet is arranged at the bottom of the housing. A base is fixedly connected to the lower end of the rear side of the housing.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the second motor drives the rotating rod to rotate. The rotating rotating rod drives the small gear to rotate. Cooperating with the tooth ring, it drives the screening barrel and the hopper to rotate. While screening the crushed raw materials, the hopper drives the unqualified raw materials to move upward and then fall again, contacting the rotating crushing roller and continuing to be crushed. Thus, while screening the crushed raw materials, the unqualified raw materials are timely crushed again, improving the processing efficiency of the device and maintaining the stability of crushing.

[0016] 2. In the utility model, while the second motor drives the rotating rod and the small gear to rotate, it also drives the cleaning roller to rotate. The rotating cleaning roller cleans the screening barrel, avoiding the screening barrel being blocked by raw materials and affecting the screening of raw materials. Description of the Drawings

[0017] Figure 1 This is the overall schematic diagram of a highly stable raw material pretreatment device proposed by the present utility model;

[0018] Figure 2 This is the schematic diagram of the U-shaped plate of a highly stable raw material pretreatment device proposed by the present utility model;

[0019] Figure 3 This is the schematic diagram of the screening bucket of a highly stable raw material pretreatment device proposed by the present utility model;

[0020] Figure 4 This is the schematic diagram of the cleaning roller of a highly stable raw material pretreatment device proposed by the present utility model.

[0021] Legend description:

[0022] 1. Outer shell; 2. Screening bucket; 3. Tooth ring; 4. Hopper; 5. Rotating shaft; 6. Crushing roller; 7. Large gear; 8. U-shaped plate; 9. First motor; 10. Discharge port; 11. Cover plate; 12. Feed port; 13. Sealing plate; 14. Base; 15. Rotating rod; 16. Cleaning roller; 17. Small gear; 18. Support plate; 19. Second motor. Specific implementation manners

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0024] Refer to Figures 1-4 , an embodiment provided by the present utility model: A highly stable raw material pretreatment device includes an outer shell 1. A screening bucket 2 is rotatably connected inside the outer shell 1. Tooth rings 3 are fixedly connected to the front and rear outer walls of the screening bucket 2. A plurality of hoppers 4 are fixedly connected to the inner wall of the outer shell 1. Rotating shafts 5 are rotatably connected to the left and right sides in the middle of the outer shell 1. Crushing rollers 6 are fixedly connected to the outside of the rotating shafts 5. Large gears 7 are fixedly connected to the rear ends of the rotating shafts 5. A U-shaped plate 8 is fixedly connected to the middle of the rear side of the outer shell 1. A first motor 9 is fixedly connected to the rear side of the U-shaped plate 8. The driving shaft of the first motor 9 is fixedly connected to the middle of the rear end of the right rotating shaft 5;

[0025] The first motor 9 in the startup settings can drive the rotating shaft 5 connected to it to rotate, drive the large gear 7 on the same side to rotate, thereby driving the large gear 7 on the other side to rotate, and then drive the rotating shafts 5 on both sides to rotate synchronously. The rotating shafts 5 drive the crushing rollers 6 to rotate, and the rotating crushing rollers 6 can crush the raw materials. The crushed raw materials fall inside the screening barrel 2. The screening barrel 2 can rotate inside the housing 1. While screening the crushed raw materials, the qualified crushed raw materials pass through the screening barrel 2 and are discharged through the discharge port 10. The rotating screening barrel 2 drives the hopper 4 to rotate, thereby driving the unqualified raw materials to move upward and then fall again, come into contact with the rotating crushing rollers 6, and continue to be crushed. Thus, while screening the crushed raw materials, the unqualified raw materials are promptly crushed again, improving the processing efficiency of the device and maintaining the stability of crushing.

[0026] A rotating rod 15 is rotatably connected to the upper end of the housing 1. A cleaning roller 16 is fixedly connected to the outside of the rotating rod 15. The outer wall of the cleaning roller 16 is in close contact with the outer wall of the screening barrel 2. Small gears 17 are fixedly connected to the outer walls of the front and rear ends of the rotating rod 15. The lower sides of the small gears 17 are meshed with the upper side of the toothed ring 3. A support plate 18 is arranged behind the rotating rod 15. The front end of the support plate 18 is fixedly connected to the upper rear side of the housing 1. A second motor 19 is fixedly connected to the upper side of the support plate 18. The drive shaft of the second motor 19 is fixedly connected to the rear top of the rotating rod 15.

[0027] The second motor 19 can drive the rotating rod 15, the cleaning roller 16, and the small gears 17 to rotate. The screening barrel 2 is driven to rotate through the cooperation of the small gears 17 and the toothed ring 3. The rotating screening barrel 2 screens the raw materials. The rotating cleaning roller 16 comes into contact with the outer wall of the screening barrel 2 and can clean the screening barrel 2 during rotation to avoid blockage and affect the screening of the raw materials.

[0028] A cover plate 11 is arranged on the front side of the housing 1. A feed inlet 12 is arranged at the upper end of the cover plate 11. A plugging plate 13 is arranged inside the feed inlet 12. A discharge port 10 is arranged at the bottom of the housing 1. A base 14 is fixedly connected to the lower rear side of the housing 1.

[0029] Working principle: Open the set plugging plate 13, put raw materials into the device through the set feed inlet 12, the raw materials fall on the crushing roller 6 through the feed inlet 12, the first motor 9 can drive the connected rotating shaft 5 to rotate, and through the cooperation of the set large gear 7, drive the rotating shafts 5 on both sides to rotate synchronously, thereby driving the crushing roller 6 to rotate and crushing the raw materials. The crushed raw materials fall inside the screening barrel 2. The second motor 19 can drive the rotating rod 15, the cleaning roller 16 and the small gear 17 to rotate. The screening barrel 2 is driven to rotate through the cooperation of the small gear 17 and the toothed ring 3. The rotating screening barrel 2 screens the raw materials, and the set hopper 4 drives the raw materials that are not qualified for crushing to move and fall on the crushing roller 6 from above the crushing roller 6 for re-crushing. The rotating cleaning roller 16 contacts the outer wall of the screening barrel 2 and can clean the screening barrel 2 during rotation to avoid blockage.

[0030] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A highly stable raw material pretreatment device, comprising a housing (1), characterized in that: A screening barrel (2) is rotatably connected inside the shell (1), a cleaning assembly is arranged on the upper side of the screening barrel (2), the outer walls at both ends of the screening barrel (2) are fixedly connected with gear rings (3), the inner wall of the shell (1) is fixedly connected with a plurality of hoppers (4), the left and right sides of the middle of the shell (1) are rotatably connected with a rotating shaft (5), the outside of the rotating shaft (5) is fixedly connected with a crushing roller (6), the rear end of the rotating shaft (5) is fixedly connected with a large gear (7), the middle of the rear side of the shell (1) is fixedly connected with a U-shaped plate (8), the rear side of the U-shaped plate (8) is fixedly connected with a first motor (9), and the drive shaft of the first motor (9) is fixedly connected to the middle of the rear end of the rotating shaft (5) on the right side.

2. A highly stable raw material pretreatment device according to claim 1, characterized in that: The cleaning assembly comprises a rotating rod (15) at the upper end of the housing (1), a cleaning roller (16) being fixedly connected to the outside of the rotating rod (15), pinions (17) being fixedly connected to the outer walls at both the front and rear ends of the rotating rod (15), a support plate (18) being arranged at the rear of the rotating rod (15), a second motor (19) being fixedly connected to the upper side of the support plate (18), and a drive shaft of the second motor (19) being fixedly connected to the top of the rear end of the rotating rod (15).

3. A highly stable raw material pretreatment device according to claim 2, characterized in that: The rear end of the rotating rod (15) is rotatably connected to the rear end of the housing (1).

4. A highly stable raw material pretreatment device according to claim 2, characterized in that: The outer wall of the cleaning roller (16) is in close contact with the outer wall of the screening barrel (2), and the lower side of the pinion (17) is meshedly connected to the upper side of the gear ring (3).

5. A highly stable raw material pretreatment device according to claim 2, characterized in that: The front end of the support plate (18) is fixedly connected to the upper end of the rear side of the housing (1).

6. A highly stable raw material pretreatment device according to claim 1, characterized in that: A cover plate (11) is arranged on the front side of the housing (1), a feed port (12) is arranged at the upper end of the cover plate (11), and a blocking plate (13) is arranged on the inner side of the feed port (12).

7. The highly stable raw material pretreatment device according to claim 1, characterized in that: The bottom of the shell (1) is provided with a discharge port (10), and the rear lower end of the shell (1) is fixedly connected with a base (14).

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