Mixer for producing flame-retardant master batch

Abstract

The utility model belongs to the field of mixers, particularly relates to a mixer for producing flame-retardant master batches, and provides the following scheme aiming at the problem that the existing mixer cannot correspondingly filter and screen raw materials during mixing, so that some large-particle impurities and some light dust are mixed in the raw materials, and the quality of mixed materials is poor. The material mixing device comprises a material mixing box, a box door is arranged on the material mixing box, supporting legs used for supporting the material mixing box are fixedly connected to the four corners of the bottom of the material mixing box, the top of the material mixing box is fixedly communicated with two feeding hoppers, discharging pipes are arranged at the bottom ends of the two feeding hoppers, a driving motor is fixedly connected to one side of the material mixing box, and the driving motor is fixedly connected with a driving motor. According to the utility model, raw materials can be quickly filtered through the arranged filtering mechanism, some impurities in the raw materials are filtered, and some light impurities and dust can be adsorbed through the dust collection mechanism, so that the raw materials are purer, and the subsequent mixing quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mixers, in particular to a mixer for producing flame retardant master batches. Background Art

[0002] Flame retardant masterbatch has many advantages, such as easy addition to resin, clean and hygienic, high flame retardant efficiency, small addition amount, little effect on the mechanical properties of resin, not easy to cause delamination, pattern, precipitation and other undesirable phenomena after addition, and saving manpower, material cost and time. In the production process of flame retardant masterbatch, the plastic melt and flame retardant powder are mixed in a certain proportion, and then processed by melt pump, screw extruder and granulator to produce qualified flame retardant masterbatch.

[0003] After searching, the patent with announcement number: CN207564760U discloses a mixer for producing flame retardant masterbatch, including a feeding device and a mixing device, a mixing device is provided below the feeding device, and the mixing device includes: a self-rotating box body, a discharge hole is provided on the side of the self-rotating box body, and a collection box is provided below the self-rotating box body so that the raw materials inside the self-rotating box body are discharged from the discharge hole and flow into the collection box. It also includes a self-stirring device, which is arranged inside the self-rotating box body. The self-stirring device includes a support rod and a stirring blade, and the upper end of the support rod is fixedly connected to the stirring blade. The mixer for producing flame retardant masterbatch mixes the materials by self-rotation inside the self-rotating box body, and throws the materials out from the side wall of the self-rotating box body, and flows into the collection box for mixing again, thereby ensuring the effect of uniform mixing of the materials.

[0004] When flame retardant masterbatch is produced, the mixture needs to be screened and filtered. Screening and filtration can remove impurities, particulate matter and other unnecessary substances in the mixture to ensure the quality and uniformity of the mixture. However, the above scheme cannot perform corresponding filtering and screening on the raw materials during mixing, so that some large particles of impurities and some light dust are mixed in it, which will make the quality of the mixture poor. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that the existing mixer in the prior art cannot filter and screen the raw materials accordingly during mixing, so that some large particles of impurities and some light dust are mixed therein, which will make the quality of the mixed material poor. A mixer for producing flame retardant masterbatch is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A mixer for producing flame retardant masterbatch, comprising a mixing box, the mixing box is provided with a box door, legs for supporting the mixing box are fixedly connected at the four corners of the bottom of the mixing box, two feed hoppers are fixedly connected to the top of the mixing box, the bottom ends of the two feed hoppers are provided with discharge pipes, one side of the mixing box is fixedly connected to a driving motor, the output shaft of the driving motor is fixedly connected to a stirring shaft, a plurality of stirring blades are fixedly connected to the stirring shaft, one end of the stirring shaft is rotatably connected to an inner wall of one side of the mixing box,

[0008] A filtering mechanism, which is arranged on the mixing box and is used to filter the raw materials;

[0009] A dust suction mechanism is arranged on the mixing box for dusting the raw materials.

[0010] In a possible design, the filtering mechanism includes a rectangular box, a connecting shaft, a rotating shaft, two eccentric wheels, a movable plate, a connecting column, a first screen frame, a second screen frame and two springs, the rectangular box is fixedly connected to the rear side of the mixing box, one end of the connecting shaft is rotatably connected to an inner wall of one side of the rectangular box, and the other end of the connecting shaft extends into the mixing box, the other end of the connecting shaft is fixedly connected to the stirring shaft with a first bevel gear, the two first bevel gears are meshed, the top of the rotating shaft is rotatably connected to the top inner wall of the rectangular box, the connecting shaft and the bottom end of the rotating shaft are fixedly connected to the second bevel gear, the two second bevel gears are meshed, the two eccentric wheels are fixedly connected to the rotating shaft, the two eccentric wheels are both attached to and rollingly connected to one side of the movable plate, one end of the connecting column is fixedly connected to the other side of the movable plate, the other end of the connecting column is fixedly connected to one side of the first screen frame by bolts, the first screen frame is fixedly connected to the second screen frame, and the two ends of the two springs are respectively fixedly connected to the other side of the movable plate and the other side inner wall of the rectangular box.

[0011] In a possible design, the dust suction mechanism includes a dust box, a suction fan, a dust suction pipe and a filter plate. The dust box is fixedly connected to one side of the mixing box, the suction fan is fixedly connected to one side of the dust box, one end of the dust suction pipe is fixedly connected to an inner wall of one side of the mixing box, a plurality of dust suction hoods are fixedly connected to the dust suction pipe, the other end of the dust suction pipe extends into the dust box, the input end of the suction fan extends into the mixing box, the filter plate is fixedly connected to the dust box by bolts, and the dust box is provided with a sealing door.

[0012] In a possible design, the first screen frame and the second screen frame are both made of magnetic material and have magnetism.

[0013] In a possible design, guide plates for guiding are fixedly connected to the inner walls on both sides of the mixing box, and the two guide plates are both inclined.

[0014] In a possible design, slide rails are fixedly connected to the inner walls on both sides of the mixing box, and sliders are slidably connected to the two slide rails. The two sliders are fixedly connected to one side of the first screen frame and the second screen frame respectively.

[0015] In the present application, the plastic melt and the flame retardant powder are first placed in two feed hoppers in a certain proportion, and then the drive motor and the suction fan are started. The two raw materials enter the first sieve frame and the second sieve frame respectively. The raw materials can be filtered through the first sieve frame and the second sieve frame, and some large particles of impurities will be blocked. Since the first sieve frame and the second sieve frame are both magnetic, they can contain metal impurities for adsorption, so that the raw materials can be magnetically separated. The filtered raw materials will fall into the mixing box under the action of two guide plates;

[0016] The output shaft of the driving motor can make the stirring shaft rotate, and the raw materials can be stirred through multiple stirring blades to make the raw materials mixed. The rotation of the stirring shaft can make the connecting shaft rotate through two first bevel gears, and the connecting shaft can make the rotating shaft rotate through two second bevel gears. The rotating shaft can make the two eccentric wheels rotate, and the moving plate can make reciprocating motion under the action of the spring. The moving plate can make the first screen frame and the second screen frame move back and forth quickly through the connecting column, so that the first screen frame and the second screen frame can filter quickly;

[0017] The suction fan can make the dust suction pipe generate suction, so that some light impurities and dust can be adsorbed, so that dust removal and filtering can be performed again, making the raw materials of the mixture purer and improving the quality of the mixture.

[0018] The utility model can quickly filter the raw materials through the filter mechanism, filter out some impurities in the raw materials, and can absorb some light impurities and dust through the dust suction mechanism, so that the raw materials are purer and the quality of subsequent mixing is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of a mixer for producing flame retardant masterbatch proposed by the utility model;

[0020] Figure 2 This is a rear structural schematic diagram of a mixer for producing flame retardant masterbatch proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of a mixing box and a dust collecting box of a mixing machine for producing flame retardant masterbatch proposed by the utility model;

[0022] Figure 4 The utility model provides a schematic diagram of the filtering mechanism structure of a mixer for producing flame retardant masterbatch.

[0023] In the figure: 1. mixing box; 2. driving motor; 3. stirring shaft; 4. rectangular box; 5. connecting shaft; 6. rotating shaft; 7. eccentric wheel; 8. moving plate; 9. connecting column; 10. first screen frame; 11. second screen frame; 12. spring; 13. slide rail; 14. slider; 15. dust collecting box; 16. suction fan; 17. dust suction pipe; 18. filter plate; 19. guide plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Example 1

[0026] Reference Figure 1-4 A mixer, which is used in the field of mixers, comprises a mixing box 1, the mixing box 1 is provided with a box door, the four corners of the bottom of the mixing box 1 are fixedly connected with legs for supporting the mixing box 1, the top of the mixing box 1 is fixedly connected with two feed hoppers, the bottom ends of the two feed hoppers are provided with discharge pipes, one side of the mixing box 1 is fixedly connected with a driving motor 2, the output shaft of the driving motor 2 is fixedly connected with a stirring shaft 3, the stirring shaft 3 is fixedly connected with a plurality of stirring blades, one end of the stirring shaft 3 is rotatably connected to the inner wall of one side of the mixing box 1,

[0027] A filtering mechanism, which is arranged on the mixing box 1 and is used to filter the raw materials;

[0028] A dust suction mechanism is provided on the mixing box 1 for dusting the raw materials.

[0029] In the above technical solution, the raw materials can be quickly filtered through the provided filtering mechanism to filter out some impurities in the raw materials, and some light impurities and dust can be adsorbed through the dust suction mechanism, thus making the raw materials purer and improving the quality of subsequent mixing.

[0030] Reference Figure 3 and Figure 4The filtering mechanism includes a rectangular box 4, a connecting shaft 5, a rotating shaft 6, two eccentric wheels 7, a movable plate 8, a connecting column 9, a first screen frame 10, a second screen frame 11 and two springs 12. The rectangular box 4 is fixedly connected to the rear side of the mixing box 1. One end of the connecting shaft 5 is rotatably connected to the inner wall of one side of the rectangular box 4. The other end of the connecting shaft 5 extends into the mixing box 1. The other end of the connecting shaft 5 is fixedly connected to the stirring shaft 3 with a first bevel gear. The two first bevel gears are meshed. The top end of the rotating shaft 6 is rotatably connected to the top inner wall of the rectangular box 4. The connecting shaft 5 is connected to the mixing shaft 3. The shaft 5 is fixedly connected to the bottom end of the rotating shaft 6 with a second bevel gear, the two second bevel gears are meshed, the two eccentric wheels 7 are fixedly connected to the rotating shaft 6, the two eccentric wheels 7 are both fitted and rollingly connected to one side of the movable plate 8, one end of the connecting column 9 is fixedly connected to the other side of the movable plate 8, the other end of the connecting column 9 is fixedly connected to one side of the first screen frame 10 by bolts, the first screen frame 10 is fixedly connected to the second screen frame 11, and the two ends of the two springs 12 are respectively fixedly connected to the other side of the movable plate 8 and the other side inner wall of the rectangular box 4;

[0031] The first screen frame 10 and the second screen frame 11 are both made of magnetic materials and have magnetism.

[0032] In the above technical solution, the output shaft of the driving motor 2 can rotate the stirring shaft 3, and the raw materials can be stirred by multiple stirring blades to mix the raw materials. The rotation of the stirring shaft 3 can rotate the connecting shaft 5 through the two first bevel gears, and the connecting shaft 5 can rotate the rotating shaft 6 through the two second bevel gears. The rotating shaft 6 can rotate the two eccentric wheels 7. Under the action of the spring 12, the movable plate 8 can reciprocate. The movable plate 8 can make the first screen frame 10 and the second screen frame 11 move back and forth quickly through the connecting column 9, so that the first screen frame 10 and the second screen frame 11 can be quickly filtered;

[0033] Since the first sieve frame 10 and the second sieve frame 11 are both magnetic, they can contain metal impurities for adsorption, thereby enabling the raw materials to be magnetically separated.

[0034] Reference Figure 3 The dust collection mechanism includes a dust box 15, a suction fan 16, a dust collection pipe 17 and a filter plate 18. The dust box 15 is fixedly connected to one side of the mixing box 1, the suction fan 16 is fixedly connected to one side of the dust box 15, one end of the dust collection pipe 17 is fixedly connected to the inner wall of one side of the mixing box 1, and a plurality of dust collection hoods are fixedly connected to the dust collection pipe 17. The other end of the dust collection pipe 17 extends into the dust box 15, and the input end of the suction fan 16 extends into the mixing box 1. The filter plate 18 is fixedly connected to the dust box 15 by bolts, and the dust box 15 is provided with a sealing door.

[0035] In the above technical solution, the suction fan 16 can make the dust suction pipe 17 generate suction, so that some light impurities and dust can be adsorbed, so that dust removal and filtering can be performed again, making the raw materials of the mixture purer and improving the quality of the mixture.

[0036] The present application can be used in the field of flame retardant masterbatch production, and can also be used in other fields applicable to the present application.

[0037] Example 2

[0038] Improvement based on the second embodiment: A mixer for producing flame retardant masterbatch, comprising a mixing box 1 with guide plates 19 fixedly connected to both inner walls of the two sides thereof, and the two guide plates 19 are both inclined.

[0039] The above technical solution can make the raw materials fall on the same position through the guide plate 19, which is convenient for subsequent mixing.

[0040] Reference Figure 3 and Figure 4 Slide rails 13 are fixedly connected to the inner walls of both sides of the mixing box 1, and sliders 14 are slidably connected to the two slide rails 13. The two sliders 14 are fixedly connected to one side of the first screen frame 10 and the second screen frame 11 respectively.

[0041] The above technical solution can support the first screen frame 10 and the second screen frame 11 and make the first screen frame 10 and the second screen frame 11 move smoothly by sliding the slider 14 on the slide rail 13.

[0042] However, as is well known to those skilled in the art, the drive motor 2 and the suction fan 16 are both connected to an external power source via wires, and their working principles and wiring methods are commonplace. They are all conventional means or common knowledge and will not be elaborated here. Those skilled in the art may make any optional selections according to their needs or convenience.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mixer for producing flame retardant masterbatch, comprising a mixing box (1), the mixing box (1) being provided with a box door, legs for supporting the mixing box (1) being fixedly connected at the four corners of the bottom of the mixing box (1), two feed hoppers being fixedly connected at the top of the mixing box (1), discharge pipes being provided at the bottom ends of the two feed hoppers, a driving motor (2) being fixedly connected to one side of the mixing box (1), a stirring shaft (3) being fixedly connected to the output shaft of the driving motor (2), a plurality of stirring blades being fixedly connected to the stirring shaft (3), one end of the stirring shaft (3) being rotatably connected to the inner wall of one side of the mixing box (1), characterized in that: A filtering mechanism, the filtering mechanism is arranged on a mixing box (1) for filtering raw materials, the filtering mechanism comprising a rectangular box (4), a connecting shaft (5), a rotating shaft (6), two eccentric wheels (7), a movable plate (8), a connecting column (9), a first screen frame (10), a second screen frame (11) and two springs (12), the rectangular box (4) is fixedly connected to the rear side of the mixing box (1), one end of the connecting shaft (5) is rotatably connected to an inner wall of one side of the rectangular box (4), the other end of the connecting shaft (5) extends into the mixing box (1), the other end of the connecting shaft (5) and the stirring shaft (3) are both fixedly connected to a first bevel gear, the two first bevel gears are meshed, the top of the rotating shaft (6) The end is rotatably connected to the top inner wall of the rectangular box (4), the second bevel gear is fixedly connected to the bottom end of the connecting shaft (5) and the rotating shaft (6), the two second bevel gears are meshed, the two eccentric wheels (7) are fixedly connected to the rotating shaft (6), the two eccentric wheels (7) are both in contact with and rollingly connected to one side of the movable plate (8), one end of the connecting column (9) is fixedly connected to the other side of the movable plate (8), the other end of the connecting column (9) is fixedly connected to one side of the first screen frame (10) by bolts, the first screen frame (10) is fixedly connected to the second screen frame (11), and the two ends of the two springs (12) are respectively fixedly connected to the other side of the movable plate (8) and the inner wall of the other side of the rectangular box (4); A dust suction mechanism is provided on the mixing box (1) for dusting the raw materials, the dust suction mechanism comprising a dust collecting box (15), a suction fan (16), a dust suction pipe (17) and a filter plate (18), the dust collecting box (15) being fixedly connected to one side of the mixing box (1), the suction fan (16) being fixedly connected to one side of the dust collecting box (15), one end of the dust suction pipe (17) being fixedly connected to an inner wall of one side of the mixing box (1), a plurality of dust suction hoods being fixedly connected to the dust suction pipe (17), the other end of the dust suction pipe (17) extending into the dust collecting box (15), the input end of the suction fan (16) extending into the mixing box (1), the filter plate (18) being fixedly connected to the dust collecting box (15) by bolts, and the dust collecting box (15) being provided with a sealing door.

2. A mixer for producing flame retardant masterbatch according to claim 1, characterized in that: The first sieve frame (10) and the second sieve frame (11) are both made of magnetic material and have magnetism.

3. A mixer for producing flame retardant masterbatch according to claim 1, characterized in that: Guide plates (19) for guiding are fixedly connected to the inner walls on both sides of the mixing box (1), and the two guide plates (19) are arranged at an angle.

4. A mixer for producing flame retardant masterbatch according to claim 1, characterized in that: Slide rails (13) are fixedly connected to the inner walls on both sides of the mixing box (1), and sliding blocks (14) are slidably connected to the two slide rails (13). The two sliding blocks (14) are fixedly connected to one side of the first sieve frame (10) and the second sieve frame (11), respectively.

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