Microcrystalline cellulose pulverizator

Abstract

The utility model discloses a microcrystalline cellulose crusher. The microcrystalline cellulose crusher comprises a crushing box, the crushing assembly is arranged at the feeding end of the crushing box; the guide hopper is arranged at the upper end in the crushing box; the grinding roller is positioned above the guide hopper; the two groups of bulges are respectively positioned on the side wall of the grinding roller and the inner wall of the guide hopper; the first driving motor is used for driving the grinding roller to rotate; the utility model relates to the technical field of microcrystalline cellulose processing, raw materials subjected to preliminary crushing enter the gap between the guide hopper and the grinding roller, the first driving motor is started to drive the grinding roller to rotate, and the grinding roller is driven to rotate to grind the microcrystalline cellulose. The protrusions on the grinding roller are matched with the protrusions on the guide hopper to coarsely grind large-particle raw materials into small-particle raw materials, the coarsely ground microcrystalline cellulose raw materials enter the grinding assembly to be finely ground, and the situation that the grinding efficiency of the microcrystalline cellulose raw materials is affected due to the fact that the large-particle raw materials need long smashing and grinding time is avoided; meanwhile, the crushing and grinding quality of the microcrystalline cellulose raw material is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of microcrystalline cellulose processing, and specifically relates to a microcrystalline cellulose pulverizer. Background Art

[0002] Microcrystalline cellulose is a product of natural cellulose hydrolyzed with dilute acid to its ultimate degree of polymerization, resulting in free-flowing, extremely fine, short rod-shaped or powdery porous particles. It is a white, odorless, and tasteless crystalline powder that is insoluble in ethanol, water, acetone, or toluene. It is widely used in the pharmaceutical, cosmetic, and food industries.

[0003] During the production process, microcrystalline cellulose is filtered and formed into a filter cake. The filter cake needs to be crushed and dried into powder before it can be used. However, existing crushing devices generally crush and grind the filter cake once, and large-particle raw materials require a long crushing and grinding time, which not only affects the grinding efficiency of the microcrystalline cellulose raw materials, but also cannot guarantee the crushing and grinding quality of the microcrystalline cellulose raw materials. For this purpose, a microcrystalline cellulose crusher is provided. Utility Model Content

[0004] The purpose of the utility model is to provide a microcrystalline cellulose pulverizer to solve the problem that the existing pulverizing devices generally perform one-time pulverization and grinding on the filter cake, and large-particle raw materials require a long pulverization and grinding time, which not only affects the grinding efficiency of the microcrystalline cellulose raw materials, but also cannot guarantee the pulverization and grinding quality of the microcrystalline cellulose raw materials.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a microcrystalline cellulose pulverizer, comprising:

[0006] crush box;

[0007] A crushing assembly is provided at the feed end of the crushing box and is used for preliminary crushing of the filter cake;

[0008] A guide hopper is provided at the upper end of the crushing box;

[0009] a grinding roller, located above the guide hopper and having a gap between the grinding roller and the inner wall of the guide hopper;

[0010] There are two groups of protrusions, each group has a plurality of protrusions, and the two groups of protrusions are respectively located on the side wall of the grinding roller and the inner wall of the guide hopper;

[0011] a first driving motor, disposed on the top of the crushing box, for driving the grinding roller to rotate;

[0012] The grinding assembly is arranged at the lower end of the inner part of the crushing box, and the feeding end of the grinding assembly is rotatably connected to the bottom of the guide hopper.

[0013] Preferably, the grinding assembly comprises a support base arranged at the bottom of the pulverizing box, a lower grinding disc is arranged on the support base, an upper grinding disc is arranged above the lower grinding disc, the feeding end of the upper grinding disc is rotatably connected with the bottom of the material guide hopper, and the pulverizing box is provided with a driving assembly for driving the upper grinding disc to rotate.

[0014] Preferably, the driving assembly comprises a second driving motor arranged on the pulverizing box, the driving end of the second driving motor extends into the pulverizing box and is provided with a first transmission roller, the upper grinding disc is provided with a second transmission roller, and a transmission belt is arranged between the first transmission roller and the second transmission roller.

[0015] Preferably, the gap between the grinding roller and the material guide hopper gradually decreases from top to bottom.

[0016] Preferably, the top of the grinding roller is arranged in an arc shape.

[0017] Preferably, the crushing assembly comprises two crushing rollers rotatably arranged at the feeding end of the pulverizing box, gear wheels are arranged at the shaft ends of the two crushing rollers and are connected with each other, and the pulverizing box is provided with a third driving motor for driving one of the crushing rollers to rotate.

[0018] Preferably, the bottom of the pulverizing box is provided with a filter plate at the discharging end, and a collecting box is arranged below the discharging end of the pulverizing box.

[0019] Compared with the prior art, the microcrystalline cellulose pulverizer has the beneficial effects that: during use, the filter cake is first preliminarily crushed by the crushing assembly, the preliminarily crushed raw material enters the gap between the material guide hopper and the grinding roller, the first driving motor is started to drive the grinding roller to rotate, the large-particle raw material is coarsely ground into small-particle raw material by the protrusions on the grinding roller cooperating with the protrusions on the material guide hopper, and the coarsely ground microcrystalline cellulose raw material is finely ground in the grinding assembly, so that the grinding efficiency of the microcrystalline cellulose raw material is improved, and the grinding quality of the microcrystalline cellulose raw material is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a main sectional view of the utility model.

[0021] In the drawing: 1, pulverizing box; 2, crushing assembly; 2-1, crushing roller; 2-2, gear wheel; 2-3, third driving motor; 3, material guide hopper; 4, grinding roller; 5, protrusion; 6, first driving motor; 7, grinding assembly; 7-1, support base; 7-2, lower grinding disc; 7-3, upper grinding disc; 7-4, second driving motor; 7-5, first transmission roller; 7-6, second transmission roller; 7-7, transmission belt; 8, filter plate; 9, collecting box. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0023] Please refer to Figure 1 The present application provides a technical solution: a microcrystalline cellulose crusher, comprising: a crushing box 1; a crushing assembly 2 is arranged at the feed end of the crushing box 1, for preliminarily crushing the filter cake; a guide hopper 3 is arranged at the upper end inside the crushing box 1; a grinding roller 4 is located above the guide hopper 3, and a gap is arranged between the grinding roller 4 and the inner wall of the guide hopper 3; the protrusions 5 are provided in two groups, each group is provided with a plurality of protrusions, and the two groups of protrusions 5 are respectively located on the side wall of the grinding roller 4 and the inner wall of the guide hopper 3; a first driving motor 6 is arranged at the top of the crushing box 1, for driving the grinding roller 4 to rotate; a grinding assembly 7 is arranged at the lower end inside the crushing box 1, and the feed end of the grinding assembly 7 is rotatably connected with the bottom of the guide hopper 3. In use, the filter cake is first preliminarily crushed by the crushing assembly 2, the preliminarily crushed raw materials enter the gap between the guide hopper 3 and the grinding roller 4, the first driving motor 6 is started to drive the grinding roller 4 to rotate, and the large-particle raw materials are coarsely ground into small-particle raw materials by the protrusions 5 on the grinding roller 4 cooperating with the protrusions 5 on the guide hopper 3. The coarsely ground microcrystalline cellulose raw materials enter the grinding assembly 7 for fine grinding, which avoids the influence of the long crushing and grinding time of large-particle raw materials on the grinding efficiency of the microcrystalline cellulose raw materials, and ensures the crushing and grinding quality of the microcrystalline cellulose raw materials.

[0024] Specifically, the grinding assembly 7 comprises a support seat 7-1 arranged at the bottom of the crushing box 1, the support seat 7-1 comprises a plurality of support columns arranged at the bottom of the crushing box 1, the top portions of the plurality of support columns are jointly provided with a mounting seat, a lower grinding disc 7-2 is arranged on the support seat 7-1, the lower grinding disc 7-2 is fixedly installed on the mounting seat, an upper grinding disc 7-3 is arranged above the lower grinding disc 7-2, the feed end of the upper grinding disc 7-3 is rotatably connected with the bottom of the guide hopper 3, and the crushing box 1 is provided with a driving assembly for driving the upper grinding disc 7-3 to rotate. In use, the upper grinding disc 7-3 is driven to rotate by starting the driving assembly, and the microcrystalline cellulose raw materials enter from the feed end of the upper grinding disc 7-3, and the microcrystalline cellulose raw materials are rubbed by the upper grinding disc 7-3 and the lower grinding disc 7-2, so that the fine grinding of the microcrystalline cellulose raw materials is realized, and the crushing and grinding quality of the microcrystalline cellulose raw materials is ensured.

[0025] Specifically, the driving assembly comprises a second driving motor 7-4 arranged on the crushing box 1, the driving end of the second driving motor 7-4 extends into the crushing box 1 and is provided with a first transmission roller 7-5, the upper grinding disc 7-3 is provided with a second transmission roller 7-6, and the first transmission roller 7-5 and the second transmission roller 7-6 are provided with a transmission belt 7-7 therebetween; in use, the second driving motor 7-4 is started to drive the first transmission roller 7-5 to rotate, so that the first transmission roller 7-5 drives the second transmission roller 7-6 and the upper grinding disc 7-3 to rotate through the transmission belt 7-7, thereby realizing the rotation of the driving assembly and the fine grinding of the microcrystalline cellulose raw material.

[0026] Specifically, the gap between the grinding roller 4 and the material guide hopper 3 gradually decreases from top to bottom, the gap between the grinding roller 4 and the upper end of the material guide hopper 3 is relatively large, which ensures that the large-particle microcrystalline cellulose raw material enters the gap between the grinding roller 4 and the material guide hopper 3 for coarse grinding, and the gap between the grinding roller 4 and the lower end of the material guide hopper 3 is relatively small, which is used to control the particle size of the microcrystalline cellulose raw material after coarse grinding, thereby realizing the transformation of large-particle microcrystalline cellulose into small-particle microcrystalline cellulose and the high efficiency of coarse grinding.

[0027] Specifically, the top of the grinding roller 4 is provided with an arc surface, when the material falls on the top of the grinding roller 4, the microcrystalline cellulose raw material enters the gap between the grinding roller 4 and the material guide hopper 3 along the arc surface for coarse grinding, thereby effectively avoiding the accumulation of the microcrystalline cellulose raw material after preliminary crushing on the top of the grinding roller 4.

[0028] Specifically, the crushing assembly 2 comprises two crushing rollers 2-1 arranged on the crushing box 1 and rotatably installed at the feeding end, the crushing rollers 2-1 are made of wear-resistant materials to withstand high pressure generated during crushing, the rotating shaft ends of the two crushing rollers 2-1 are provided with gears 2-2 connected with each other, the crushing box 1 is provided with a third driving motor 2-3 for driving one side of the crushing roller 2-1 to rotate, in use, the third driving motor 2-3 is started to drive one side of the crushing roller 2-1 and the gear 2-2 to rotate, the gear 2-2 on one side drives the gear 2-2 and the crushing roller 2-1 on the other side to rotate, so that the two crushing rollers 2-1 rotate towards each other to squeeze and rub the filter cake, thereby realizing the crushing of the filter cake.

[0029] Specifically, the bottom discharge end of the crushing box 1 is provided with a filter plate 8, the filter plate 8 is arranged to filter the microcrystalline cellulose raw material after fine grinding, the discharge end of the crushing box 1 is provided below with a collecting box 9, the collecting box 9 is used to collect the microcrystalline cellulose raw material, and the top of the collecting box 9 is provided with a ring-shaped sealing gasket which is attached to the bottom discharge end of the crushing box 1, thereby realizing the effective collection of the microcrystalline cellulose raw material by the collecting box 9.

[0030] Working principle: the utility model discloses in working, first start crushing assembly 2 to the filter cake and carry out primary crushing, and the raw material after primary crushing enters the gap between guide chute 3 and grinding roller 4, and the first drive motor 6 is started to drive grinding roller 4 to rotate, make the protrusion 5 on grinding roller 4 cooperate the protrusion 5 on guide chute 3 and carry out rough grinding, and the microcrystalline cellulose raw material after rough grinding enters grinding assembly 7 and carries out fine grinding, and the grinding efficiency of microcrystalline cellulose raw material is improved through the mode of rough grinding first and then fine grinding.

[0031] In the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrated;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, and the mechanical, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0033] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A microcrystalline cellulose pulverizer, characterized in that: include: crush box (1); A crushing assembly (2) is provided at the feed end of the crushing box (1) and is used for preliminary crushing of the filter cake; A guide hopper (3) is provided at the upper end of the crushing box (1); a grinding roller (4), located above the guide hopper (3), and having a gap between the grinding roller (4) and the inner wall of the guide hopper (3); There are two groups of protrusions (5), each group having a plurality of protrusions, and the two groups of protrusions (5) are respectively located on the side wall of the grinding roller (4) and the inner wall of the guide hopper (3); A first driving motor (6) is provided on the top of the crushing box (1) and is used to drive the grinding roller (4) to rotate; A grinding assembly (7) is arranged at the lower end of the inner portion of the crushing box (1), and a feed end of the grinding assembly (7) is rotatably connected to the bottom of the guide hopper (3).

2. A microcrystalline cellulose pulverizer according to claim 1, characterized in that: The grinding assembly (7) comprises a support base (7-1) arranged at the bottom of the crushing box (1), a lower grinding disc (7-2) is provided on the support base (7-1), an upper grinding disc (7-3) is provided above the lower grinding disc (7-2), a feed end of the upper grinding disc (7-3) is rotatably connected to the bottom of the guide hopper (3), and a driving assembly for driving the upper grinding disc (7-3) to rotate is provided on the crushing box (1).

3. A microcrystalline cellulose pulverizer according to claim 2, characterized in that: The drive assembly comprises a second drive motor (7-4) arranged on the crushing box (1); a drive end of the second drive motor (7-4) extends into the crushing box (1) and is provided with a first transmission roller (7-5); a second transmission roller (7-6) is provided on the upper grinding disc (7-3); and a transmission belt (7-7) is provided between the first transmission roller (7-5) and the second transmission roller (7-6).

4. The microcrystalline cellulose pulverizer according to claim 1, characterized in that: The gap between the grinding roller (4) and the guide hopper (3) decreases step by step from top to bottom.

5. The microcrystalline cellulose pulverizer according to claim 1, characterized in that: The top of the grinding roller (4) is configured as an arc-shaped surface.

6. The microcrystalline cellulose pulverizer according to claim 1, characterized in that: The crushing assembly (2) comprises two crushing rollers (2-1) arranged at the feed end of the crushing box (1) and mounted for relative rotation, the rotating shaft ends of the two crushing rollers (2-1) are provided with gears (2-2) that mesh with each other, and the crushing box (1) is provided with a third drive motor (2-3) for driving the crushing rollers (2-1) on one side to rotate.

7. The microcrystalline cellulose pulverizer according to claim 1, characterized in that: A filter plate (8) is provided at the bottom discharge end of the pulverizing box (1), and a collection box (9) is provided below the discharge end of the pulverizing box (1).

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