Cotton crusher for producing hydroxypropyl methyl cellulose

Abstract

The utility model discloses a cotton crusher for hydroxypropyl methyl cellulose production, which comprises a crushing chamber, the upper part of the crushing chamber is provided with a feed port, and the bottom of the side surface of the crushing chamber is provided with a discharge port, and is characterized in that the bottom of the crushing chamber is fixedly provided with a bulge, the inner lower part of the middle part of the crushing chamber is fixedly provided with an arc-shaped leakage net, and the arc-shaped leakage net is provided with a discharge port. And a first driving part is fixedly arranged on the left side wall of the crushing chamber, a plurality of main crushing cutters are fixedly connected to the side wall of the second crushing shaft, and two auxiliary crushing cutters are fixedly connected to the side walls of the main crushing cutters. The second driving part drives the second crushing shaft to rotate through the belt, the main crushing cutters on the second crushing shaft and the auxiliary crushing cutters distributed in a staggered mode rotate, so that the materials are crushed, the fine crushing cutters further crush the materials, and the problems that the materials are not fully crushed, and the discharged materials contain the materials which are not fully crushed are solved.

Description

Technical Field

[0001] This application relates to the field of cotton pulverizing technology, and more specifically, to a cotton pulverizer for the production of hydroxypropyl methylcellulose. Background Technology

[0002] Hydroxypropyl methylcellulose, also known as hydroxypropyl methylcellulose or hydroxypropyl methyl cellulose ether, is produced by using highly purified cotton cellulose as raw material and undergoing specialized etherification under alkaline conditions. Currently, most hydroxypropyl methylcellulose production uses cotton as raw material, and the cotton needs to be pulverized during the production process.

[0003] The existing technology still has the following drawbacks in its use:

[0004] Existing technologies do not achieve a high degree of pulverization when crushing cotton blocks, and the discharged material contains insufficiently pulverized material, which affects the production efficiency of hydroxypropyl methylcellulose.

[0005] Therefore, we propose a cotton shredder for the production of hydroxypropyl methylcellulose to address the existing problems. Utility Model Content

[0006] The purpose of this invention is to provide a cotton pulverizer for the production of hydroxypropyl methylcellulose, so as to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a cotton pulverizer for the production of hydroxypropyl methylcellulose, comprising a pulverizing chamber, an inlet at the top of the pulverizing chamber, an outlet at the bottom of the side of the pulverizing chamber, a protrusion fixedly disposed at the bottom of the pulverizing chamber, an arc-shaped screen fixedly disposed in the lower part of the pulverizing chamber, a first driving member fixedly disposed on the left side wall of the pulverizing chamber, a first pulverizing shaft rotatably disposed between the driving end of the first driving member and the right side wall of the pulverizing chamber, a plurality of second pulverizing shafts rotatably disposed on the top of the pulverizing chamber, a second driving member fixedly disposed above the first driving member, the driving end of the second driving member being rotatably connected to the second pulverizing shaft via a belt, a plurality of main pulverizing blades fixedly connected to the side wall of the second pulverizing shaft, and two auxiliary pulverizing blades fixedly connected to the side wall of the main pulverizing blades.

[0008] Preferably, the cutting edge of the main crushing blade is triangular, the auxiliary crushing blade is U-shaped, the longer U-shaped end of the auxiliary crushing blade is fixedly connected to the side wall of the main crushing blade, the auxiliary crushing blades are staggered with each other through the shorter U-shaped ends, and both the upper and lower sides of the auxiliary crushing blade have cutting edges.

[0009] Preferably, the first crushing shaft is located at the upper part of the arc-shaped mesh.

[0010] Preferably, a plurality of fine grinding blades are fixedly connected to the axial side of the first grinding shaft.

[0011] Preferably, the arc-shaped mesh has multiple grooves, which are linearly distributed on the arc-shaped mesh, and the holes in the grooves are smaller than the holes on the arc-shaped mesh.

[0012] Preferably, the protrusion is elliptical in shape, and the bottom of the protrusion is connected to the discharge port.

[0013] Preferably, the connection between the second crushing shaft and the belt is provided with a circumferential groove.

[0014] The cotton pulverizer for the production of hydroxypropyl methylcellulose provided by this utility model has the following advantages compared with the prior art:

[0015] The second drive unit drives the second crushing shaft to rotate via a belt, causing the main crushing blades and the interleaved auxiliary crushing blades on the second crushing shaft to rotate, thereby crushing the material. The fully crushed material is discharged through the arc-shaped screen, while the insufficiently crushed material falls into the groove of the arc-shaped screen, where the fine crushing blades further crush it, thus solving the problem of insufficient material crushing and the discharge material containing insufficiently crushed material. Attached Figure Description

[0016] Figure 1 This is a side view of the internal structure of the present invention;

[0017] Figure 2 This is a partial side view of the internal structure of this utility model;

[0018] Figure 3 This is a top view of the arc-shaped mesh and fine grinding tool of this utility model;

[0019] Figure 4 This is a front view schematic diagram of the three-dimensional structure of this utility model;

[0020] Figure 5 This is a partial front view schematic diagram of the three-dimensional structure of this utility model;

[0021] Figure 6 This is a top view schematic diagram of the arrangement and distribution of the main crushing blade and auxiliary crushing blade of this utility model;

[0022] Figure 7 This is a schematic diagram of the auxiliary cutting tool of this utility model.

[0023] In the diagram: 1. Crushing chamber; 2. Feed inlet; 3. Discharge outlet; 4. Protrusion; 5. Arc-shaped mesh screen; 51. Groove; 6. First drive component; 7. First crushing shaft; 8. Second crushing shaft; 9. Second drive component; 10. Belt; 11. Main crushing cutter; 12. Auxiliary crushing cutter; 121. Blade; 13. Fine crushing cutter; 14. Circumferential groove. Detailed Implementation

[0024] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0025] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0026] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0027] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0028] In addition, the term "multiple" should mean two or more.

[0029] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments. Example

[0030] like Figures 1 to 7 As shown, this utility model proposes a cotton pulverizer for the production of hydroxypropyl methylcellulose, comprising a pulverizing chamber 1, an inlet 2 at the top of the pulverizing chamber 1, and an outlet 3 at the bottom of the side of the pulverizing chamber 1. The pulverizing chamber 1 is characterized by: a protrusion 4 fixedly disposed at the bottom of the pulverizing chamber 1; an arc-shaped mesh 5 fixedly disposed in the lower inner part of the middle of the pulverizing chamber 1; a first driving member 6 fixedly disposed on the left side wall of the pulverizing chamber 1; a first pulverizing shaft 7 rotatably disposed between the driving end of the first driving member 6 and the right side wall of the pulverizing chamber 1; multiple second pulverizing shafts 8 rotatably disposed at the top of the pulverizing chamber 1; and a second driving member 9 fixedly disposed above the first driving member 6. The driving end of the second driving member 9 is rotatably connected to the second pulverizing shafts 8 via a belt 10. Multiple main crushing blades 11 are fixedly connected to the side wall of the second crushing shaft 8, and two auxiliary crushing blades 12 are fixedly connected to the side wall of the main crushing blades 11. In use, the cotton block enters the crushing chamber 1 from the feed port 2. The second drive unit 9 drives the second crushing shaft 8 to rotate through the belt 10, so that the main crushing blades 11 and auxiliary crushing blades 12 on the second crushing shaft 8 rotate rapidly, thereby crushing the material. The fully crushed material is discharged through the arc-shaped screen 5, and the insufficiently crushed material falls into the groove 51 of the arc-shaped screen 5. The first drive unit 6 drives the first crushing shaft 7 to rotate, and the fine crushing blades 13 on the first crushing shaft 7 further crush the material that has not been completely crushed in the groove 51.

[0031] Furthermore, the main crushing blade 11 has a triangular cutting edge, and the auxiliary crushing blade 12 is U-shaped. The longer U-shaped end of the auxiliary crushing blade 12 is fixedly connected to the side wall of the main crushing blade 11. The auxiliary crushing blades 12 are staggered and distributed through the shorter U-shaped ends. Both sides of the auxiliary crushing blade 12 have blades 121. In use, the triangular main crushing blade 11 crushes the cotton initially, and the staggered distribution of the auxiliary crushing blades 12 allows the blades 121 to further crush the material.

[0032] Furthermore, the first crushing shaft 7 is located above the arc-shaped screen 5; in use, the first crushing shaft 7 can further crush the material and then screen it through the arc-shaped screen 5 after crushing.

[0033] Furthermore, a plurality of circumferentially distributed fine grinding blades 13 are fixedly connected to the shaft side of the first grinding shaft 7; in use, the fine grinding blades 13 on the first grinding shaft 7 further grind the material that has not been completely ground in the groove 51, so that the cotton material can produce better results in the subsequent production process of hydroxypropyl methylcellulose.

[0034] Furthermore, the arc-shaped mesh 5 has multiple grooves 51, which are linearly distributed on the arc-shaped mesh 5. The holes in the grooves 51 are smaller than the holes in the arc-shaped mesh 5. During use, some of the material that is not completely crushed by the second crushing shaft 8 falls into the grooves 51 on the arc-shaped mesh 5 for further crushing by the fine crushing blade 13. The holes in the grooves 51 are smaller than the holes in the arc-shaped mesh 5, ensuring that only the completely crushed material is discharged during fine crushing.

[0035] Furthermore, the protrusion 4 is elliptical in shape, and the bottom of the protrusion 4 is connected to the discharge port 3. In use, the completely crushed material discharged through the arc-shaped screen 5 can slide from the elliptical protrusion 4 into the discharge port 3, thus avoiding the accumulation of material.

[0036] Furthermore, a circumferential groove 14 is provided at the connection between the second crushing shaft 8 and the belt 10; during use, when the belt 10 is driven by the circumferential groove 14, the circumferential groove 14 can effectively prevent the belt 10 from falling off.

[0037] The above-described specific embodiments are merely preferred embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above-described specific embodiments.

Claims

1. A cotton pulverizer for the production of hydroxypropyl methylcellulose, comprising a pulverizing chamber (1), an inlet (2) at the top of the pulverizing chamber (1), and an outlet (3) at the bottom of the side of the pulverizing chamber (1), characterized in that: The bottom of the crushing chamber (1) is fixedly provided with a protrusion (4), the lower part of the middle of the crushing chamber (1) is fixedly provided with an arc-shaped mesh (5), the left side wall of the crushing chamber (1) is fixedly provided with a first driving member (6), the driving end of the first driving member (6) is rotatably provided with a first crushing shaft (7) between the right side wall of the crushing chamber (1), the upper part of the crushing chamber (1) is rotatably provided with multiple second crushing shafts (8), the upper part of the crushing chamber (1) is fixedly provided with a second driving member (9), the driving end of the second driving member (9) is rotatably connected to the second crushing shaft (8) through a belt (10), the side wall of the second crushing shaft (8) is fixedly connected with multiple main crushing blades (11), and the side wall of the main crushing blades (11) is fixedly connected with two auxiliary crushing blades (12).

2. A cotton pulverizer for the production of hydroxypropyl methylcellulose according to claim 1, characterized in that: The cutting edge of the main crushing blade (11) is triangular, and the auxiliary crushing blade (12) is U-shaped. The longer U-shaped end of the auxiliary crushing blade (12) is fixedly connected to the side wall of the main crushing blade (11). The auxiliary crushing blades (12) are staggered with each other through the shorter U-shaped ends. Both sides of the auxiliary crushing blade (12) have cutting edges (121).

3. A cotton pulverizer for the production of hydroxypropyl methylcellulose according to claim 1, characterized in that: The first crushing shaft (7) is located on the upper part of the arc-shaped mesh (5).

4. A cotton pulverizer for the production of hydroxypropyl methylcellulose according to claim 1, characterized in that: Multiple fine grinding blades (13) are fixedly connected to the shaft side of the first grinding shaft (7).

5. A cotton pulverizer for the production of hydroxypropyl methylcellulose according to claim 1, characterized in that: The arc-shaped mesh (5) has multiple grooves (51) which are linearly distributed on the arc-shaped mesh (5). The holes on the grooves (51) are smaller than the holes on the arc-shaped mesh (5).

6. A cotton pulverizer for the production of hydroxypropyl methylcellulose according to claim 1, characterized in that... The protrusion (4) is elliptical, and the bottom of the protrusion (4) is connected to the discharge port (3).

7. A cotton pulverizer for the production of hydroxypropyl methylcellulose according to claim 1, characterized in that: The connection between the second crushing shaft (8) and the belt (10) is provided with a circumferential groove (14).

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