Crushing and separating device for nitrocellulose processing
By combining crushing rollers and synchronously driven crushing blades and stirring blades, multi-stage crushing and separation of nitrocellulose materials is achieved, solving the problem of poor crushing effect in existing equipment and improving separation efficiency and thoroughness.
Patent Information
- Application Number
- CN202520371573.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-05
AI Technical Summary
Existing crushing and separation devices are not very effective at crushing materials containing nitrocellulose, resulting in incomplete separation of nitrocellulose and poor practicality.
The first and second crushing mechanisms are combined, including crushing rollers, synchronous wheels, crushing blades and stirring blades. Through multi-stage crushing and mixing, the materials are thoroughly crushed and separated. The crushing rollers and synchronous wheels are driven by a motor to drive the crushing blades to crush multiple times, combined with the mixing operation of the stirring blades.
It achieves efficient crushing and separation of nitrocellulose materials, improves the thoroughness of the separation operation, ensures full mixing of materials and solvents, and facilitates subsequent drying and separation.
Smart Images
Figure CN223800432U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of nitrocellulose processing, in particular to a kind of pulverization separation devices for nitrocellulose processing. BACKGROUND
[0002] Nitrocellulose, also known as cellulose nitrate, is an organic polymer compound, which is the product of cellulose and nitration reaction, white or slightly yellow cotton flock, insoluble in water, soluble in ester, acetone and other organic solvents;Solvent dissolution method is a simple and effective method for separating nitrocellulose, specifically: the scrap military smokeless powder containing nitrocellulose is dissolved into solvent to form a high polymer sol, which is foamed into a paint-like emulsion by emulsification, and dispersed into a non-solvent medium under stirring to form a ball, and after the solvent is removed, the material is separated and dried, and finally the required nitrocellulose product is obtained;
[0003] The existing pulverization separation device has poor pulverization effect on the material containing nitrocellulose, which is not convenient for complete pulverization and separation of nitrocellulose, and has poor practicability, so a pulverization separation device for nitrocellulose processing is needed to improve the above problems. UTILITY MODEL CONTENT
[0004] (I) Technical problem solved
[0005] In view of the shortcomings of the prior art, the utility model provides a pulverization separation device for nitrocellulose processing, which realizes the pulverization of the material containing nitrocellulose by the cooperation of the first and second pulverization mechanisms, and is convenient for the separation of nitrocellulose.
[0006] (II) Technical scheme
[0007] To achieve the above purpose, the utility model provides the following technical scheme: a pulverization separation device for nitrocellulose processing, comprising a working tank, four supporting legs are fixedly installed at the bottom end of the working tank, a feeding hole and a working cavity are formed in the working tank, and two discharge pipes are communicated and installed at the bottom end of the working tank;
[0008] A first pulverization mechanism is arranged on the working tank, the first pulverization mechanism comprises two pulverization rollers, the two ends of the two pulverization rollers are rotatably connected with the working tank, two first motors are fixedly installed on the working tank, and the output ends of the two first motors are fixedly connected with one end of the two pulverization rollers respectively.
[0009] The second crushing mechanism is arranged in the working box, and the second crushing mechanism comprises a first rotating shaft, a connecting plate is fixedly installed on the working box, the first rotating shaft is rotationally connected with the connecting plate, a first fixing plate and a second fixing plate are fixedly installed on the outer side wall of the working box, a second motor is fixedly installed on the first fixing plate, a second rotating shaft is fixedly installed at the output end of the second motor, the other end of the second rotating shaft is rotationally connected with the second fixing plate, a first synchronous wheel and a second synchronous wheel are respectively fixedly installed on the second rotating shaft and the first rotating shaft, the first synchronous wheel and the second synchronous wheel are connected through a belt, a filter screen and a guide plate are fixedly installed on the inner side wall of the working box, a discharging hole is formed in the guide plate, and a plurality of crushing knives and stirring blades are fixedly installed on the first rotating shaft.
[0010] Preferably, a protective cover is fixedly installed on the outer side wall of the working box, and the second motor and the second rotating shaft are located in the protective cover.
[0011] Further, the bottom end of each supporting leg is provided with a base.
[0012] Still further, a scraper is fixedly installed on the first rotating shaft, and the scraper is attached to the inner side wall of the working box.
[0013] On the basis of the foregoing scheme, a supporting plate is fixedly installed on the outer side wall of the working box, and the two first motors are attached to the supporting plate.
[0014] Further, an observation window is formed in the outer side wall of the working box.
[0015] (Three) beneficial effects
[0016] Compared with the prior art, the present application provides a crushing and separating device for processing nitrocellulose, which has the following beneficial effects:
[0017] The material or solvent is added into the working box through the feeding hole, the two first motors are started to drive the two crushing rollers to rotate, the directions of rotation of the two first motors are opposite, the directions of rotation of the two crushing rollers are opposite, the material is preliminarily crushed by the two crushing rollers, the second motor is started to drive the second rotating shaft to rotate, the first synchronous wheel is driven to rotate, the second synchronous wheel drives the first rotating shaft to rotate through the cooperation of the belt, the plurality of crushing knives are driven to rotate, the material falling on the filter screen is crushed again by the plurality of crushing knives, the crushed material is filtered by the filter screen and falls into the bottom end of the working box, the crushed material is mixed with the solvent by the stirring blades, and the mixture is discharged through the two discharge pipes for drying and separating. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1It is the whole structure schematic view of the utility model;
[0019] Figure 2 It is the section structure schematic view of the utility model;
[0020] Figure 3 It is the utility model Figure 2 The enlarged structure schematic view of A part in the middle;
[0021] Figure 4 It is the structure schematic view of the utility model first synchronous wheel and second synchronous wheel connection.
[0022] The mark in the drawing: 1, work box; 2, support leg; 3, first motor; 4, crushing roller; 5, connecting plate; 6, first rotating shaft; 7, first fixed plate; 8, second fixed plate; 9, second motor; 10, second rotating shaft; 11, first synchronous wheel; 12, second synchronous wheel; 13, crushing knife; 14, filter screen; 15, guide plate; 16, stirring blade; 17, protective cover; 18, base; 19, scraper; 20, supporting plate; 21, observation window. Specific implementation
[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.
[0024] Embodiment
[0025] Please refer to Figure 1 and Figure 2 A crushing and separating device for processing nitrocellulose, comprising a work box 1, four support legs 2 are fixedly installed at the bottom end of the work box 1 in symmetry, a feeding hole and a working cavity are formed in the work box 1, and two discharge pipes are communicatively installed at the bottom end of the work box 1.
[0026] Please refer to Figure 1 and Figure 2 A first crushing mechanism is arranged on the work box 1, the first crushing mechanism comprises two crushing rollers 4, both ends of the two crushing rollers 4 are rotatably connected with the work box 1, two first motors 3 are fixedly installed on the work box 1, the output ends of the two first motors 3 are fixedly connected with one end of the two crushing rollers 4 respectively, materials or solvents are added into the work box 1 through the feeding hole, the two first motors 3 are started to drive the two crushing rollers 4 to rotate, the rotating directions of the two first motors 3 are opposite, and then the rotating directions of the two crushing rollers 4 are opposite, and the materials are preliminarily crushed by the two crushing rollers 4.
[0027] Please refer to Figures 1-4 , the second crushing mechanism is arranged in the working box 1, the second crushing mechanism comprises a first rotating shaft 6, a connecting plate 5 is fixedly installed on the working box 1, the first rotating shaft 6 is rotatably connected with the connecting plate 5, a first fixed plate 7 and a second fixed plate 8 are fixedly installed on the outer side wall of the working box 1, a second motor 9 is fixedly installed on the first fixed plate 7, a second rotating shaft 10 is fixedly installed at the output end of the second motor 9, and the other end of the second rotating shaft 10 is rotatably connected with the second fixed plate 8; the second motor 9 is started to drive the second rotating shaft 10 to rotate by the power provided by the second motor 9; a first synchronous wheel 11 and a second synchronous wheel 12 are fixedly installed on the second rotating shaft 10 and the first rotating shaft 6 respectively, so that the first synchronous wheel 11 rotates; the first synchronous wheel 11 and the second synchronous wheel 12 are connected through a belt; a filter screen 14 and a guide plate 15 are fixedly installed on the inner side wall of the working box 1, a discharging hole is formed in the guide plate 15, a plurality of crushing knives 13 and stirring blades 16 are fixedly installed on the first rotating shaft 6; the second synchronous wheel 12 drives the first rotating shaft 6 to rotate through the cooperation of the belt, so that the plurality of crushing knives 13 rotate; the material falling on the filter screen 14 is crushed again by the plurality of crushing knives 13; the crushed material is filtered through the filter screen 14 and falls into the bottom end of the working box 1; the crushed material is mixed with the solvent through the stirring blades 16; after mixing, the mixture is discharged through two discharge pipes for drying and separating.
[0028] Please refer to Figure 1 and Figure 2 , the outer side wall of the working box 1 is fixedly installed with a protective cover 17, the second motor 9 and the second rotating shaft 10 are located inside the protective cover 17, and the protective cover 17 is arranged to shield the second motor 9 and the second rotating shaft 10.
[0029] Please refer to Figure 1 and Figure 2 , the bottom end of each supporting leg 2 is provided with a base 18, and the plurality of bases 18 are arranged to make the plurality of supporting legs 2 more stable.
[0030] Please refer to Figure 2 and Figure 4 , it should be noted that the first rotating shaft 6 is fixedly installed with a scraper 19, the scraper 19 is attached to the inner side wall of the working box 1, and the scraper 19 is arranged to facilitate scraping the material adhered to the inner side wall of the working box 1.
[0031] Please refer to Figure 1 , the outer side wall of the working box 1 is fixedly installed with a supporting plate 20, and the two first motors 3 are attached to the supporting plate 20, and the supporting plate 20 is arranged to make the two first motors 3 more stable.
[0032] Please refer to Figure 1 The outer side wall of the working box 1 is provided with an observation window 21.
[0033] In summary, the crushing and separating device for processing nitrocellulose adds materials or solvents into the working box 1 through the feeding hole during use, starts the two first motors 3, which are common devices purchased on the market and known to those skilled in the art, and only used here without structural and functional improvements, and the motors are provided with control switches matched therewith, the installation positions of the control switches are selected according to actual practical needs, the control switches are convenient for operators to operate and control, the directions of rotation of the two first motors 3 are opposite, so that the two first motors 3 drive the two crushing rollers 4 to rotate, the directions of rotation of the two crushing rollers 4 are opposite, the materials are preliminarily crushed by the two crushing rollers 4, the second motor 9 is started, the second motor 9 provides power to drive the second rotating shaft 10 to rotate, and then the first synchronous wheel 11 rotates, the second synchronous wheel 12 drives the first rotating shaft 6 to rotate through the cooperation of the belt, and then the plurality of crushing knives 13 rotate, the materials falling on the filter screen 14 are crushed again by the plurality of crushing knives 13, the crushed materials are filtered by the filter screen 14 and fall into the bottom end of the working box 1, the crushed materials are mixed with the solvent by the stirring blades 16, and then the mixture is discharged through the two discharge pipes for drying and separating.
[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications 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 pulverizing and separating device for processing nitrocellulose, comprising a working tank (1), characterized in that: The bottom end of the working box (1) is symmetrically fixedly provided with four supporting legs (2), the working box (1) is provided with a feeding hole and a working cavity, and the bottom end of the working box (1) is communicatively provided with two discharge pipes; The working box (1) is provided with a first crushing mechanism, the first crushing mechanism comprises two crushing rollers (4), both ends of the two crushing rollers (4) are rotationally connected with the working box (1), the working box (1) is fixedly provided with two first motors (3), and output ends of the two first motors (3) are fixedly connected with one end of the two crushing rollers (4) respectively. The working box (1) is provided with a second crushing mechanism, the second crushing mechanism comprises a first rotating shaft (6), the working box (1) is fixedly provided with a connecting plate (5), the first rotating shaft (6) is rotationally connected with the connecting plate (5), the outer side wall of the working box (1) is fixedly provided with a first fixed plate (7) and a second fixed plate (8), the first fixed plate (7) is fixedly provided with a second motor (9), an output end of the second motor (9) is fixedly provided with a second rotating shaft (10), the other end of the second rotating shaft (10) is rotationally connected with the second fixed plate (8), the second rotating shaft (10) and the first rotating shaft (6) are fixedly provided with a first synchronous wheel (11) and a second synchronous wheel (12) respectively, the first synchronous wheel (11) and the second synchronous wheel (12) are connected through a belt, the inner side wall of the working box (1) is fixedly provided with a filter screen (14) and a guide plate (15), the guide plate (15) is provided with a discharging hole, and the first rotating shaft (6) is fixedly provided with a plurality of crushing knives (13) and stirring blades (16).
2. The pulverizing and separating device for processing nitrocellulose according to claim 1, characterized in that: The outer side wall of the working box (1) is fixedly provided with a protective cover (17), and the second motor (9) and the second rotating shaft (10) are located in the protective cover (17).
3. A pulverizing and separating device for processing nitrocellulose according to claim 2, characterized in that: The bottom end of each supporting leg (2) is provided with a base (18).
4. A pulverizing and separating device for processing nitrocellulose according to claim 3, characterized in that: The first rotating shaft (6) is fixedly provided with a scraper (19), and the scraper (19) is attached to the inner side wall of the working box (1).
5. A shredding and separating device for processing nitrocellulose according to claim 4, characterized in that: The outer side wall of the working box (1) is fixedly provided with a supporting plate (20), and the two first motors (3) are attached to the supporting plate (20).
6. A pulverizing and separating device for processing nitrocellulose according to claim 5, characterized in that: The outer side wall of the working box (1) is communicatively provided with an observation window (21).