Crushing device for magnesium hydroxide flame retardant production

Abstract

The utility model provides a crushing device for magnesium hydroxide flame retardant production, which relates to the technical field of flame retardant production and comprises a fixed box, a feed pipe is arranged at the top of the fixed box, and a feed bin is arranged at the top end of the feed pipe. The first motor is installed on one side of the fixing box, the first rotating shaft is arranged at the output end of the first motor, the first grinding roller is sleeved on the outer surface of the first rotating shaft, the second motor is arranged on one side of the fixing box, the second rotating shaft is arranged at the output end of the second motor, and the second grinding roller is sleeved on the outer surface of the second rotating shaft. The second grinding roller is located in the circular groove, the first grinding roller can rotate along with rotation of the first rotating shaft by starting the first motor, the raw materials are smashed for the first time, the second grinding roller rotates along with rotation of the second rotating shaft by arranging the second motor, and therefore the raw materials are smashed for the second time; and crushing can be more sufficient.

Description

Technical Field

[0001] The utility model relates to the technical field of flame retardant production, in particular to a pulverizing device for producing magnesium hydroxide flame retardant. Background Art

[0002] Magnesium hydroxide is a new type of filling flame retardant. It releases bound water when decomposed by heat and absorbs a large amount of latent heat to reduce the surface temperature of the synthetic material it fills in the flame. It has the effect of inhibiting the decomposition of polymers and cooling the generated combustible gases.

[0003] Compared with similar inorganic flame retardants, the existing magnesium hydroxide flame retardant has a better smoke suppression effect. Magnesium hydroxide does not emit any harmful substances during production, use and disposal, and can also neutralize the acidic and corrosive gases produced during combustion. The production of magnesium hydroxide flame retardant requires crushing, but most devices cannot fully crush it, and the device generates a lot of noise during crushing, and magnesium hydroxide is easily left inside the device, causing trouble for cleaning. Utility Model Content

[0004] The utility model aims to solve the problems in the prior art that sufficient pulverization cannot be performed, residues are easily left inside the device, cleaning is troublesome, and noise is high, and a pulverizing device for producing magnesium hydroxide flame retardant is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pulverizing device for producing magnesium hydroxide flame retardant, comprising a fixed box, a feed pipe is arranged on the top of the fixed box, a feed bin is arranged on the top of the feed pipe, a first motor is fixedly installed on one side of the fixed box, a first rotating shaft is arranged on the output end of the first motor, a first grinding roller is sleeved on the outer surface of the first rotating shaft, a fixed block is arranged on the inner wall of the fixed box, a first card slot is arranged on the top of the fixed block, a first limiting slot is arranged on the bottom of the fixed block, the first card slot is connected to the first limiting slot, a first electric telescopic rod is fixedly installed on one side of the inner wall of the fixed box, and a first scraper is arranged on the other end of the first electric telescopic rod.

[0006] Preferably, a limit block is provided on one side of the inner wall of the fixed box, and the first scraper is in contact with the top of the limit block.

[0007] Preferably, a second slot is formed on the top of the limiting block, a second limiting slot is formed inside the limiting block, and the second slot is communicated with the second limiting slot.

[0008] Preferably, a circular groove is provided inside the limiting block, a third limiting groove is provided at the bottom of the limiting block, and the second limiting groove is connected with the circular groove and the third limiting groove.

[0009] Preferably, a second motor is arranged on one side of the fixed box, a second rotating shaft is arranged at the output end of the second motor, a second grinding roller is sleeved on the outer surface of the second rotating shaft, and the second grinding roller is located inside the circular groove.

[0010] Preferably, a second electric telescopic rod is arranged on one side of the inner wall of the fixed box, a second scraper is arranged on the other end of the second electric telescopic rod, the second scraper is in contact with the bottom of the inner wall of the fixed box, a discharge port is opened on one side of the fixed box, a discharge cover is arranged inside the discharge port, a fourth limiting groove is opened inside the inner wall of the fixed box, sound-absorbing cotton is arranged inside the fourth limiting groove, a sound insulation board is arranged inside the fourth limiting groove, a support column is arranged at the bottom of the fixed box, and an anti-slip pad is arranged at the bottom end of the support column.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, a first motor is installed on one side of a fixed box, a first rotating shaft is arranged at the output end of the first motor, a first grinding roller is sleeved on the outer surface of the first rotating shaft, a second motor is arranged on one side of the fixed box, a second rotating shaft is arranged at the output end of the second motor, a second grinding roller is sleeved on the outer surface of the second rotating shaft, and the second grinding roller is located inside the circular groove. By turning on the first motor, the first grinding roller rotates with the rotation of the first rotating shaft, and the raw material is crushed for the first time. By turning on the second motor, the second grinding roller rotates with the rotation of the second rotating shaft, so that the raw material is crushed for the second time. After two crushings, the raw material can be crushed more fully.

[0013] 2. In the utility model, a first electric telescopic rod is installed on one side of the inner wall of the fixed box, a first scraper is arranged at the other end of the first electric telescopic rod, a limit block is arranged on one side of the inner wall of the fixed box, the first scraper is fitted with the top of the limit block, a second electric telescopic rod is arranged on one side of the inner wall of the fixed box, a second scraper is arranged at the other end of the second electric telescopic rod, and the bottom of the inner wall of the fixed box of the second scraper is fitted, and the first scraper can be moved by the telescopic effect of the first electric telescopic rod, so that the raw materials can better enter the interior of the limit block, and the second scraper can be moved by the telescopic effect of the second electric telescopic rod to better discharge the crushed raw materials, which can prevent them from causing residues and make cleaning more convenient. A fourth limit groove is opened inside the inner wall of the fixed box, sound-absorbing cotton is arranged inside the fourth limit groove, and a sound insulation board is arranged inside the fourth limit groove. Through the action of the sound-absorbing cotton and the sound insulation board, when the device is crushing, noise can be better absorbed to reduce the noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a three-dimensional structural diagram of a pulverizing device for producing magnesium hydroxide flame retardant;

[0015] Figure 2 The utility model provides a three-dimensional cross-sectional view of a pulverizing device for producing magnesium hydroxide flame retardant;

[0016] Figure 3 The utility model provides a three-dimensional structural diagram of a fixed block of a crushing device for producing magnesium hydroxide flame retardant;

[0017] Figure 4 The utility model provides a three-dimensional cross-sectional view of a limiting block of a crushing device for producing magnesium hydroxide flame retardant.

[0018] Legend: 1. Fixed box; 2. Feed pipe; 3. Feed silo; 4. First motor; 5. First rotating shaft; 6. First grinding roller; 7. Fixed block; 8. First card slot; 9. First limiting slot; 10. First electric telescopic rod; 11. First scraper; 12. Limiting block; 13. Second card slot; 14. Second limiting slot; 15. Circular slot; 16. Third limiting slot; 17. Second motor; 18. Second rotating shaft; 19. Second grinding roller; 20. Second electric telescopic rod; 21. Second scraper; 22. Discharge port; 23. Discharge cover; 24. Fourth limiting slot; 25. Sound-absorbing cotton; 26. Sound insulation board; 27. Support column; 28. Anti-slip pad. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0021] Embodiment 1, as Figure 1 - Figure 4 As shown, the utility model provides a pulverizing device for producing magnesium hydroxide flame retardant, including a fixed box 1, a feed pipe 2 is arranged on the top of the fixed box 1, a feed bin 3 is arranged on the top of the feed pipe 2, a first motor 4 is fixedly installed on one side of the fixed box 1, a first rotating shaft 5 is arranged on the output end of the first motor 4, a first grinding roller 6 is sleeved on the outer surface of the first rotating shaft 5, a fixed block 7 is arranged on the inner wall of the fixed box 1, a first card groove 8 is arranged on the top of the fixed block 7, a first limiting groove 9 is arranged on the bottom of the fixed block 7, the first card groove 8 is connected with the first limiting groove 9, a first electric telescopic rod 10 is fixedly installed on one side of the inner wall of the fixed box 1, and a first scraper 11 is arranged on the other end of the first electric telescopic rod 10.

[0022] The effects achieved by the entire embodiment 1 are as follows: a feed pipe 2 is arranged on the top of the fixed box 1, and a feed bin 3 is arranged on the top of the feed pipe 2, so that the raw materials can be put into the fixed box 1 through the action of the feed pipe 2 and the feed bin 3; a first motor 4 is fixedly installed on one side of the fixed box 1, a first rotating shaft 5 is arranged on the output end of the first motor 4, and a first grinding roller 6 is sleeved on the outer surface of the first rotating shaft 5, so that the first motor 4 can be turned on and the first grinding roller 6 rotates with the rotation of the first rotating shaft 5, so that the raw materials can be crushed for the first time; a fixed block 7 is arranged on the inner wall of the fixed box 1, a first card slot 8 is provided on the top of the fixed block 7, and a first limiting groove 9 is provided on the bottom of the fixed block 7, and the first card slot 8 is connected with the first limiting groove 9, so that the raw materials can be better allowed to enter the limiting block 12; a first electric telescopic rod 10 is fixedly installed on one side of the inner wall of the fixed box 1, and a first scraper 11 is provided on the other end of the first electric telescopic rod 10, so that the first scraper 11 can be moved through the telescopic action of the first electric telescopic rod 10.

[0023] Embodiment 2, as Figure 1 - Figure 4 As shown, a limit block 12 is provided on one side of the inner wall of the fixed box 1, and the first scraper 11 is fitted with the top of the limit block 12; a second slot 13 is provided on the top of the limit block 12, and a second limit slot 14 is provided inside the limit block 12, and the second slot 13 is connected with the second limit slot 14; a circular groove 15 is provided inside the limit block 12, and a third limit slot 16 is provided at the bottom of the limit block 12, and the second limit slot 14 is connected with the circular groove 15 and the third limit slot 16; a second motor 17 is provided on one side of the fixed box 1, and a second rotating shaft 18 is provided at the output end of the second motor 17, and a second grinding wheel is sleeved on the outer surface of the second rotating shaft 18 Roller 19, the second grinding roller 19 is located inside the circular groove 15; a second electric telescopic rod 20 is arranged on one side of the inner wall of the fixed box 1, and a second scraper 21 is arranged on the other end of the second electric telescopic rod 20, and the second scraper 21 is in contact with the bottom of the inner wall of the fixed box 1, a discharge port 22 is opened on one side of the fixed box 1, and a discharge cover 23 is arranged inside the discharge port 22, a fourth limiting groove 24 is opened inside the inner wall of the fixed box 1, sound-absorbing cotton 25 is arranged inside the fourth limiting groove 24, and a sound insulation board 26 is arranged inside the fourth limiting groove 24, a support column 27 is arranged at the bottom of the fixed box 1, and an anti-slip pad 28 is arranged at the bottom end of the support column 27.

[0024] The effect achieved by the entire embodiment 2 is that a limit block 12 is set on one side of the inner wall of the fixed box 1, and the first scraper 11 is fitted with the top of the limit block 12. The first scraper 11 can be moved by the telescopic effect of the first electric telescopic rod 10, so that the raw material can better enter the interior of the limit block 12 to prevent it from causing residue; a second card slot 13 is opened on the top of the limit block 12, a second limit slot 14 is opened inside the limit block 12, and the second card slot 13 is connected with the second limit slot 14, which can play a role in making the raw material enter the interior of the limit block 12 better. The material enters the second limiting groove 14 through the second card groove 13; the circular groove 15 is opened inside the limiting block 12, and the third limiting groove 16 is opened at the bottom of the limiting block 12. The second limiting groove 14 is connected with the circular groove 15 and the third limiting groove 16, so that the material can enter the circular groove 15 through the second limiting groove 14; a second motor 17 is arranged on one side of the fixed box 1, and a second rotating shaft 18 is arranged at the output end of the second motor 17. The outer surface of the second rotating shaft 18 is sleeved with a second grinding roller 19, and the second grinding roller 19 is located inside the circular groove 15, and the second grinding roller 19 can be rotated with the rotation of the second rotating shaft 18 by turning on the second motor 17, so as to perform a second crushing on the raw material, which can make it crushed more fully; a second electric telescopic rod 20 is arranged on one side of the inner wall of the fixed box 1, and a second scraper 21 is arranged on the other end of the second electric telescopic rod 20, and the second scraper 21 is in contact with the bottom of the inner wall of the fixed box 1, and a discharge port 22 is opened on one side of the fixed box 1, and a discharge cover 23 is arranged inside the discharge port 22, and the fixed box A fourth limiting groove 24 is provided inside the inner wall of the fixing box 1, a sound-absorbing cotton 25 is arranged inside the fourth limiting groove 24, a sound-proofing board 26 is arranged inside the fourth limiting groove 24, a supporting column 27 is arranged at the bottom of the fixing box 1, and a non-slip pad 28 is arranged at the bottom end of the supporting column 27. The second scraper 21 can be moved by the telescopic effect of the second electric telescopic rod 20 to better discharge the crushed raw materials. Through the effect of the sound-absorbing cotton 25 and the sound-proofing board 26, when the device is crushing, the noise can be better absorbed to reduce the noise.

[0025] Working principle: the staff pours the raw materials into the fixed box 1 through the feed pipe 2, and by turning on the first motor 4, the first grinding roller 6 rotates with the rotation of the first rotating shaft 5, and the raw materials are crushed for the first time. Under the telescopic action of the first electric telescopic rod 10, the first scraper 11 moves, so that the raw materials can better enter the interior of the limit block 12 to prevent them from causing residue. By turning on the second motor 17, the second grinding roller 19 rotates with the rotation of the second rotating shaft 18, so that the raw materials are crushed for the second time, which can make them crushed more fully. Under the action of the sound-absorbing cotton 25 and the sound insulation board 26, when the device is crushing, the noise can be better absorbed to reduce the noise.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A pulverizing device for producing magnesium hydroxide flame retardant, comprising a fixed box (1), characterized in that: A feed pipe (2) is arranged on the top of the fixed box (1), and a feed bin (3) is arranged on the top of the feed pipe (2). A first motor (4) is fixedly mounted on one side of the fixed box (1), and a first rotating shaft (5) is arranged at the output end of the first motor (4). A first grinding roller (6) is sleeved on the outer surface of the first rotating shaft (5). A fixed block (7) is arranged on the inner wall of the fixed box (1), and a first clamping groove (8) is provided on the top of the fixed block (7). A first limiting groove (9) is provided on the bottom of the fixed block (7), and the first clamping groove (8) and the first limiting groove (9) are connected. A first electric telescopic rod (10) is fixedly mounted on one side of the inner wall of the fixed box (1), and a first scraper (11) is arranged on the other end of the first electric telescopic rod (10).

2. A pulverizing device for producing magnesium hydroxide flame retardant according to claim 1, characterized in that: A limit block (12) is provided on one side of the inner wall of the fixed box (1), and the first scraper (11) is in contact with the top of the limit block (12).

3. A pulverizing device for producing magnesium hydroxide flame retardant according to claim 2, characterized in that: A second clamping groove (13) is provided at the top of the limiting block (12), a second limiting groove (14) is provided inside the limiting block (12), and the second clamping groove (13) is connected to the second limiting groove (14).

4. A pulverizing device for producing magnesium hydroxide flame retardant according to claim 3, characterized in that: A circular groove (15) is provided inside the limiting block (12), a third limiting groove (16) is provided at the bottom of the limiting block (12), and the second limiting groove (14) is connected to the circular groove (15) and the third limiting groove (16).

5. A pulverizing device for producing magnesium hydroxide flame retardant according to claim 4, characterized in that: A second motor (17) is disposed on one side of the fixed box (1); a second rotating shaft (18) is disposed at the output end of the second motor (17); a second grinding roller (19) is sleeved on the outer surface of the second rotating shaft (18); and the second grinding roller (19) is located inside the circular groove (15).

6. A pulverizing device for producing magnesium hydroxide flame retardant according to claim 1, characterized in that: A second electric telescopic rod (20) is arranged on one side of the inner wall of the fixed box (1), a second scraper (21) is arranged on the other end of the second electric telescopic rod (20), the second scraper (21) is in contact with the bottom of the inner wall of the fixed box (1), a discharge port (22) is arranged on one side of the fixed box (1), a discharge cover (23) is arranged inside the discharge port (22), a fourth limiting groove (24) is arranged inside the inner wall of the fixed box (1), sound-absorbing cotton (25) is arranged inside the fourth limiting groove (24), a sound insulation board (26) is arranged inside the fourth limiting groove (24), a support column (27) is arranged at the bottom of the fixed box (1), and an anti-slip pad (28) is arranged at the bottom end of the support column (27).

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