Raw material crushing device for sodium carboxymethyl cellulose production

Abstract

The utility model relates to the technical field of sodium carboxymethyl cellulose, and discloses a raw material crushing device for sodium carboxymethyl cellulose production, which comprises a base and a crushing box, a feed port is arranged at the upper end of the crushing box, a discharge port is arranged at the lower end of the crushing box, a driving motor is arranged at one end of the crushing box, and a rotating shaft is arranged in the crushing box. One end of the rotating shaft is fixedly connected with the driving motor, two groups of first crushing cutters are arranged outside the rotating shaft, and a crushing mechanism is arranged on the outer surface of the rotating shaft; the smashing mechanism comprises two sets of rotating frames, one ends of the rotating frames are provided with connecting bases and movably connected with the connecting bases, second smashing cutters are arranged in the rotating frames, one ends of the two sets of rotating frames are provided with mounting grooves, one ends of the rotating frames are provided with telescopic springs, and the ends of the telescopic springs are mounted in the mounting grooves. According to the utility model, by arranging the crushing mechanism, the crushing range of the second crushing cutter can be changed, so that the crushing range of the second crushing cutter is larger, the crushing effect can be effectively improved, and the crushing time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of sodium carboxymethyl cellulose, in particular to a raw material crushing device for producing sodium carboxymethyl cellulose. Background Art

[0002] Sodium carboxymethyl cellulose is a carboxymethylated derivative of cellulose and is the most important ionic cellulose gum. Sodium carboxymethyl cellulose is usually an anionic polymer compound prepared by the reaction of natural cellulose with caustic soda and monochloroacetic acid. It is a white to light yellow powder, granular or fibrous substance with strong hygroscopicity.

[0003] The existing sodium carboxymethyl cellulose raw material pulverizing device is not convenient for changing the pulverizing range of the pulverizing knife during use, resulting in a smaller pulverizing range of the pulverizing knife, which will prolong the pulverizing time and affect the pulverizing effect of the raw material. Therefore, we propose a raw material pulverizing device for sodium carboxymethyl cellulose production. Utility Model Content

[0004] The main purpose of the utility model is to provide a raw material crushing device for the production of sodium carboxymethyl cellulose, which can effectively solve the technical problems in the background technology.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a raw material crushing device for the production of sodium carboxymethyl cellulose, comprising a base and a crushing box, a feed port is provided at the upper end of the crushing box, a discharge port is provided at the lower end of the crushing box, a driving motor is provided at one end of the crushing box, a rotating shaft is provided inside the crushing box, one end of the rotating shaft is fixedly connected to the driving motor, two groups of first crushing knives are provided on the outside of the rotating shaft, and a crushing mechanism is provided on the outer surface of the rotating shaft; the crushing mechanism comprises two groups of rotating frames, the two groups of rotating frames are symmetrically mounted at both ends of the rotating shaft, a connecting seat is provided at one end of the rotating frame, the connecting seat is fixedly connected to the rotating shaft, one end of the rotating frame is movably connected to the connecting seat, a second crushing knife is provided inside the rotating frame, the second crushing knife is fixedly connected to the rotating frame, one end of the two groups of rotating frames is provided with a mounting groove, one end of the rotating frame is provided with a telescopic spring, and the end of the telescopic spring is fixedly mounted inside the mounting groove.

[0006] Preferably, counterweight blocks are provided at both ends of the telescopic spring, and one end of the counterweight block is fixedly connected to the rotating frame. By providing the counterweight block, the centrifugal force of the rotating frame can be increased, thereby facilitating the rotation of the rotating frame.

[0007] Preferably, a mounting frame is provided at one end of the rotating frame, and a buffer wheel is provided inside the mounting frame.

[0008] Preferably, the buffer wheel is a soft wear-resistant rubber wheel, and both ends of the buffer wheel are movably connected to the mounting frame. By providing the buffer wheel, the end of the rotating frame can be prevented from contacting the inner wall of the crushing box during rotation.

[0009] Preferably, a filter screen is provided inside the discharge port, and the filter screen is fixedly connected to the discharge port. By providing the filter screen, the raw materials can be screened so that only raw materials that meet the requirements can be discharged.

[0010] Preferably, two groups of scrapers are provided at the lower end of the rotating shaft, one end of the scraper is provided with a connecting rod, and one end of the connecting rod is fixedly connected to the rotating shaft. By setting the scraper, the raw materials inside the crushing box can be scraped up to prevent the raw materials from settling inside the crushing box.

[0011] Beneficial Effects

[0012] The utility model provides a raw material crushing device for the production of sodium carboxymethyl cellulose, which has the following

[0013] Beneficial effects:

[0014] (1) The raw material pulverizing device for producing sodium carboxymethyl cellulose can utilize the centrifugal force of the rotating shaft to drive the rotating frame to rotate by setting a pulverizing mechanism, so that the pulverizing range of the second pulverizing knife can be changed, so that the pulverizing range of the second pulverizing knife is larger, which can effectively improve the pulverizing effect and shorten the pulverizing time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the implementation mode of the present utility model or the technical solution in the prior art, the drawings required for use in the implementation mode or the description of the prior art will be briefly introduced below.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal section of the crushing box of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the pulverizing mechanism of the utility model.

[0019] Legend:

[0020] 1. Base; 2. Crushing box; 3. Feed inlet; 4. Discharge outlet; 5. Filter screen; 6. Driving motor; 7. Rotating shaft; 8. First crushing knife; 9. Crushing mechanism; 10. Scraper; 11. Connecting rod; 12. Connecting seat; 13. Rotating frame; 14. Second crushing knife; 15. Mounting slot; 16. Telescopic spring; 17. Counterweight block; 18. Mounting frame; 19. Buffer wheel. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] Embodiment 1: A raw material crushing device for producing sodium carboxymethyl cellulose, such as Figure 1 - Figure 2 As shown, it includes a base 1, a crushing box 2 is arranged on the upper end of the base 1, the crushing box 2 is a hollow shell, the lower end of the crushing box 2 is fixedly connected to the base 1, a feeding port 3 is arranged on one side of the upper end of the crushing box 2, the feeding port 3 is fixedly connected to the crushing box 2, the feeding port 3 is communicated with the internal cavity of the crushing box 2, a discharge port 4 is arranged at the lower end of the crushing box 2, a control valve is arranged on the outside of the discharge port 4, the upper end of the discharge port 4 is fixedly connected to the crushing box 2, the discharge port 4 is communicated with the inside of the crushing box 2, a filter screen 5 is arranged at the opening of the discharge port 4 near the crushing box 2, the outer side of the filter screen 5 is fixedly connected to the discharge port 4, the upper end of the filter screen 5 is flush with the inner wall surface of the crushing box 2, a driving motor 6 is arranged at one end of the outer side of the crushing box 2, the driving motor 6 is fixedly connected to the crushing box 2 by bolts, the driving motor 6 is linearly connected to the external power supply through a wire, and the inside of the crushing box 2 is provided with a discharge port 4. A rotating shaft 7 is provided, and the rotating shaft 7 is a cylindrical rod. Both ends of the rotating shaft 7 are rotatably connected to the inner wall of the crushing box 2, and one end of the rotating shaft 7 passes through the crushing box 2 and is fixedly connected to the output end of the driving motor 6. Two groups of first crushing knives 8 are provided on the outside of the rotating shaft 7, and the two groups of first crushing knives 8 are symmetrically installed at both ends of the rotating shaft 7. The center of the first crushing knife 8 is fixedly connected to the rotating shaft 7, and a crushing mechanism 9 is provided in the center of the rotating shaft 7. The center of the crushing mechanism 9 is connected to the rotating shaft 7, and a gap is reserved between the two ends of the crushing mechanism 9 and the inner wall of the crushing box 2 for the crushing mechanism 9 to be retracted and retracted. Two groups of scrapers 10 are provided at the lower end of the rotating shaft 7, and the two groups of scrapers 10 are symmetrically installed on both sides of the lower end of the rotating shaft 7. The lower end of the scraper 10 is in contact with the inner wall of the crushing box 2, and the end of the scraper 10 close to the rotating shaft 7 is fixedly connected to a connecting rod 11, and one end of the connecting rod 11 is fixedly connected to the rotating shaft 7.

[0023] Embodiment 2: A raw material crushing device for producing sodium carboxymethyl cellulose, based on the embodiment 1 Figure 1 - Figure 3As shown, the crushing mechanism 9 includes two groups of rotating frames 13, the rotating frames 13 are U-shaped frames with different heights on both sides, the two groups of rotating frames 13 are symmetrically arranged with the rotating shaft 7 as the central axis, the rotating frame 13 opening faces the inner wall of the crushing box 2, one end of the rotating frame 13 is provided with a connecting seat 12, the center of the connecting seat 12 is fixedly connected to the rotating shaft 7, the end of the rotating frame 13 is movably connected to the connecting seat 12, and multiple groups of second crushing knives 14 are arranged inside the opening of the rotating frame 13, one end of the second crushing knife 14 is fixedly connected to the rotating frame 13, and the distance between the two adjacent groups of second crushing knives 14 is equal. The ends of the two groups of rotating frames 13 away from the connecting seat 12 are respectively provided with mounting grooves 15. A telescopic spring 16 is provided at one end of the movable frame 13, and both ends of the telescopic spring 16 are fixedly installed inside the mounting groove 15 respectively. Counterweight blocks 17 are provided at both end portions of the telescopic spring 16 respectively. The counterweight blocks 17 are hard metal blocks. One end of the counterweight block 17 is fixedly connected to the rotating frame 13. A mounting frame 18 is provided at one end of the rotating frame 13 close to the inner wall of the crushing box 2. The mounting frame 18 is a U-shaped frame. The opening of the mounting frame 18 is arranged toward the inner wall of the crushing box 2. One end of the mounting frame 18 is fixedly connected to the rotating frame 13. A buffer wheel 19 is provided inside the mounting frame 18. The buffer wheel 19 is a soft and wear-resistant rubber wheel. Both ends of the buffer wheel 19 are movably connected to the mounting frame 18 through a rotating shaft.

[0024] It should be noted that the utility model is a raw material crushing device for the production of sodium carboxymethyl cellulose. When in use, the raw material is put into the crushing box 2 through the feed port 3, and then the power supply of the driving motor 6 is started. The output end of the driving motor 6 drives the first crushing knife 8 and the crushing mechanism 9 to rotate through the rotating shaft 7. The first crushing knife 8 crushes the raw material inside the crushing box 2 during rotation. When the crushing mechanism 9 is rotating, when the centrifugal force of the rotating shaft 7 is greater than the elastic force of the telescopic spring 16, the telescopic spring 16 stretches and drives the distance between the two groups of rotating frames 13 to expand. The second crushing knife 14 inside the rotating frame 13 crushes the raw material inside the crushing box 2 during rotation. As the rotating frame 13 rotates, the crushing range of the second crushing knife 14 is changed. The counterweight block 17 can increase the centrifugal force of the rotating frame 13 to facilitate the rotation of the rotating frame 13. The buffer wheel 19 arranged at one end of the rotating frame 13 can protect the rotating frame 13 to prevent the end of the rotating frame 13 from contacting the side of the crushing box 2 during rotation. Finally, the crushed raw material passes through the filter screen 5 and is discharged for collection. By providing the crushing mechanism 9, the centrifugal force of the rotating shaft 7 can be used to drive the rotating frame 13 to rotate, so that the crushing range of the second crushing knife 14 can be changed, so that the crushing range of the second crushing knife 14 is larger, which can effectively improve the crushing effect and shorten the crushing time.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A raw material pulverizing device for producing sodium carboxymethyl cellulose, comprising a base (1) and a pulverizing box (2), wherein the upper end of the pulverizing box (2) is provided with a feed port (3), the lower end of the pulverizing box (2) is provided with a discharge port (4), one end of the pulverizing box (2) is provided with a drive motor (6), a rotating shaft (7) is provided inside the pulverizing box (2), one end of the rotating shaft (7) is fixedly connected to the drive motor (6), and two groups of first pulverizing knives (8) are provided outside the rotating shaft (7), characterized in that: The outer surface of the rotating shaft (7) is provided with a crushing mechanism (9); the crushing mechanism (9) comprises two groups of rotating frames (13), the two groups of rotating frames (13) are symmetrically mounted at both ends of the rotating shaft (7), one end of the rotating frame (13) is provided with a connecting seat (12), the connecting seat (12) is fixedly connected to the rotating shaft (7), one end of the rotating frame (13) is movably connected to the connecting seat (12), a second crushing knife (14) is arranged inside the rotating frame (13), the second crushing knife (14) is fixedly connected to the rotating frame (13), one end of the two groups of rotating frames (13) is provided with a mounting groove (15), one end of the rotating frame (13) is provided with a telescopic spring (16), the end of the telescopic spring (16) is fixedly mounted inside the mounting groove (15).

2. A raw material crushing device for producing sodium carboxymethyl cellulose according to claim 1, characterized in that: Counterweight blocks (17) are provided at both ends of the telescopic spring (16), and one end of the counterweight block (17) is fixedly connected to the rotating frame (13).

3. A raw material crushing device for producing sodium carboxymethyl cellulose according to claim 1, characterized in that: A mounting frame (18) is provided at one end of the rotating frame (13), and a buffer wheel (19) is provided inside the mounting frame (18).

4. A raw material crushing device for producing sodium carboxymethyl cellulose according to claim 3, characterized in that: The buffer wheel (19) is a soft wear-resistant rubber wheel, and both ends of the buffer wheel (19) are movably connected to the mounting frame (18).

5. A raw material crushing device for producing sodium carboxymethyl cellulose according to claim 1, characterized in that: A filter screen (5) is provided inside the discharge port (4), and the filter screen (5) is fixedly connected to the discharge port (4).

6. A raw material crushing device for producing sodium carboxymethyl cellulose according to claim 1, characterized in that: Two groups of scrapers (10) are provided at the lower end of the rotating shaft (7), one end of the scraper (10) is provided with a connecting rod (11), and one end of the connecting rod (11) is fixedly connected to the rotating shaft (7).

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