A raw material grinding device

Abstract

This utility model discloses a raw material grinding device, belonging to the technical field of grinding devices. The utility model includes a grinding device housing, dispersing components, and a screw. The grinding device housing has a feed inlet, inside which is a feed hopper. The feed hopper contains a dispersing chamber. Two dispersing components are disposed within the dispersing chamber. Each dispersing component has a rotating shaft and helical blades. The helical blades are mounted on the rotating shafts, and pulleys are fitted to the ends of both rotating shafts, with belts fitted onto the pulleys. This utility model disperses the feed material through the dispersing components, and the helical blades apply a rotational force to the falling material, forcibly dispersing the material flow, breaking up the vertically stacked physical structure, fundamentally avoiding blockages. Furthermore, the edges of the helical blades exert a shearing effect on the agglomerated material, achieving pre-crushing, reducing the instantaneous load on the grinding rollers, extending equipment life, and significantly improving the applicability and continuous operation stability of the grinding device.

Description

Technical Field

[0001] This utility model relates to the field of grinding device technology, specifically a raw material grinding device. Background Technology

[0002] In the chemical, food, and pharmaceutical industries, raw material grinding is a crucial step in the production process, and the performance of the grinding equipment directly affects the processing efficiency and the quality of the finished product. Current technologies typically employ a vertical feed inlet design, allowing the raw material to fall naturally into the grinding area under gravity. However, in practical applications, especially when processing raw materials with high viscosity or moisture content, the feed inlet is prone to blockage due to material accumulation, adhesion, or agglomeration, severely impacting production continuity.

[0003] In the prior art, such as the raw material grinding device disclosed in the Chinese authorized patent (publication number: CN202322032662.4), the automatic collection of powder is achieved by pushing the brush and the arc-shaped sealing block. However, there is a risk of blockage at the feed inlet during the feeding process. The vertical feed inlet lacks a dispersion structure, and the raw materials (especially hygroscopic or sticky materials) are prone to accumulate at the inlet or form an arch bridge effect, which leads to interruption of feeding. The direct entry of agglomerated materials into the grinding zone may increase the load on the grinding rollers and even cause the equipment to jam. Utility Model Content

[0004] The purpose of this invention is to provide a raw material grinding device that disperses the feed material through a dispersing component, thereby solving the problem of raw material accumulation.

[0005] This utility model is achieved through the following technical solution:

[0006] This utility model is a raw material grinding device, including a grinding device shell, a dispersing component and a screw. The grinding device shell has a feed inlet, and a feed hopper is provided inside the feed inlet. The feed hopper has a dispersing chamber. There are two dispersing components, which are arranged in the dispersing chamber. Each dispersing component has a rotating shaft and a spiral blade. The spiral blade is arranged on the rotating shaft. The ends of the two rotating shafts are fitted with pulleys, and belts are fitted on the two pulleys.

[0007] Furthermore, a through hole is provided on the feed hopper, and the end of the rotating shaft fits into the through hole.

[0008] Furthermore, a wedge-shaped block is provided at the top of the dispersion chamber. There are two wedge-shaped blocks, and threaded holes are opened at the bottom of the two wedge-shaped blocks. The two ends of the screw are threaded in opposite directions and are respectively threaded into the corresponding threaded holes.

[0009] Furthermore, the bottom of the two wedge-shaped blocks is provided with perforations, and a crossbar is installed on the top of the dispersion chamber, with both ends of the crossbar fitting into the corresponding perforations.

[0010] Furthermore, a guide plate is installed on the top of the wedge block, the guide plate has an inclined surface, and stops are installed on both sides of the guide plate.

[0011] Furthermore, a grinding roller is installed inside the outer shell of the grinding device, and a discharge port is opened at the bottom of the outer shell of the grinding device.

[0012] This utility model has the following beneficial effects:

[0013] This invention disperses the feed material through a dispersing component, and applies a rotational force to the falling material through the spiral blades, forcibly dispersing the material flow and breaking the physical structure of vertical accumulation, thus fundamentally avoiding blockage. Furthermore, the edges of the spiral blades exert a shearing effect on the agglomerated material, achieving pre-crushing, reducing the instantaneous load on the grinding roller, extending the equipment life, and significantly improving the applicability and continuous operation stability of the grinding device.

[0014] This invention uses wedge-shaped blocks to guide the raw materials. By adjusting the spacing between the wedge-shaped blocks, the falling speed of the raw materials can be controlled to prevent blockage and to distribute the materials more evenly to the spiral blade area, avoiding single-point accumulation, making the grinding process more stable and reducing equipment wear.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the grinding device;

[0017] Figure 2 This is a schematic diagram of the feed hopper structure;

[0018] Figure 3 This is a schematic diagram of the structure of the feed hopper and the wedge block;

[0019] Figure 4 This is a schematic diagram of the internal structure of the feed hopper.

[0020] In the figure: 1. Grinding device housing; 101. Grinding roller; 102. Feed inlet; 103. Discharge outlet; 2. Feed bin; 201. Dispersion chamber; 202. Through hole; 3. Dispersing component; 301. Rotating shaft; 302. Spiral blade; 4. Pulley; 5. Belt; 6. Wedge block; 7. Screw; 8. Crossbar; 9. Guide plate; 10. Stop block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 This utility model provides a technical solution: a raw material grinding device, including a grinding device housing 1, a dispersing component 3, and a screw 7. A grinding roller 101 is disposed inside the grinding device housing 1, and a discharge port 103 is opened at the bottom of the grinding device housing 1. The use of the grinding roller 101 is prior art and will not be described in detail here. A feed inlet 102 is opened on the grinding device housing 1, and a feed chamber 2 is disposed inside the feed inlet 102. A through hole 202 is opened on the feed chamber 2, and the end of the rotating shaft 301 is fitted into the through hole 202. The feed chamber 2 has a dispersing chamber 201. Two dispersing components 3 are disposed within the dispersing chamber 201. Each dispersing component 3 has a rotating shaft 301 and a spiral blade. The spiral blades 302 are mounted on the rotating shafts 301. Each end of the two rotating shafts 301 is fitted with a pulley 4, and a belt 5 is fitted on each pulley 4. When grinding the raw material, the raw material enters the grinding device housing 1 from the dispersion chamber 201 of the feed hopper 2 through the feed inlet 102 and is ground by the grinding roller 101. When passing through the dispersion chamber 201, the drive source is activated to drive the rotating shafts 301 to rotate. At this time, the belt 5 causes the two pulleys 4 to rotate, which in turn drives the two rotating shafts 301 to rotate. This causes the two rotating shafts 301 to drive the corresponding spiral blades 302 to rotate and disperse the raw material fed from the dispersion chamber 201. The agglomerated raw material is cut by the edge of the spiral blades 302, preventing feed blockage.

[0023] Two wedge blocks 6 are provided at the top of the dispersion chamber 201. Each wedge block 6 has a threaded hole at its bottom. The two ends of the screw 7 have threads in opposite directions, and these threads are respectively threaded into the corresponding threaded holes. Through holes are also provided at the bottom of the two wedge blocks 6. A crossbar 8 is installed at the top of the dispersion chamber 201, with its two ends fitting into corresponding through holes. A guide plate 9 is installed at the top of the wedge blocks 6, and the guide plate 9 has an inclined surface. Stoppers 10 are installed on both sides of the guide plate 9. During feeding, the gap between the two wedge blocks 6 is adjusted according to the dispersion speed of the dispersing component 3. The starting drive source drives the screw 7 to rotate, causing the two ends of the screw 7 to respectively drive the corresponding wedge blocks 6 to move inward or outward. In conjunction with the crossbar 8, the movement of the two wedge blocks 6 is guided within the through holes of the two wedge blocks 6. At this time, the distance between the two wedge blocks 6 is adjusted, thereby regulating the feeding speed. During the process of the two wedge blocks 6 moving inward, the corresponding top guide plate 9 is moved. The guide plate 9 can prevent raw materials from entering the gap between the wedge blocks 6 and the dispersion chamber 201. When the raw materials fall onto the guide plate 9, they are guided into the dispersion chamber 201 by the inclined surface, and the two baffles 10 prevent the raw materials from scattering.

[0024] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A raw material grinding device, comprising a grinding device housing (1) and a screw (7), characterized in that: The grinding device housing (1) is provided with a feed inlet (102), and a feed bin (2) is provided inside the feed inlet (102); It also includes a dispersing component (3), the feed hopper (2) has a dispersing chamber (201), the number of the dispersing components (3) is two, the two dispersing components (3) are arranged in the dispersing chamber (201), the dispersing component (3) has a rotating shaft (301) and a spiral blade (302), the spiral blade (302) is arranged on the rotating shaft (301); Both of the two shafts (301) are fitted with pulleys (4) at their ends, and belts (5) are fitted on the two pulleys (4).

2. The raw material grinding device according to claim 1, wherein The feed hopper (2) has a through hole (202), and the end of the rotating shaft (301) fits into the through hole (202).

3. The raw material grinding device according to claim 1, wherein The top of the dispersion cavity (201) is provided with a wedge block (6), and there are two wedge blocks (6). The bottom of the two wedge blocks (6) is provided with threaded holes. The two ends of the screw (7) are provided with threads in opposite directions, and the two ends of the screw (7) are respectively threaded into the corresponding threaded holes.

4. The raw material grinding device according to claim 3, characterized in that, The bottom of the two wedges (6) is also provided with perforations, and a crossbar (8) is installed on the top of the dispersion cavity (201), with the two ends of the crossbar (8) fitting into the corresponding perforations.

5. The raw material grinding apparatus according to claim 3, characterized in that, A guide plate (9) is installed on the top of the wedge block (6), and an inclined surface is provided on the guide plate (9). A stop block (10) is installed on both sides of the guide plate (9).

6. The raw material grinding apparatus according to claim 1, characterized in that, The grinding device housing (1) is equipped with a grinding roller (101) inside, and a discharge port (103) is provided at the bottom of the grinding device housing (1).

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