Mixing device with dustproof function
By setting a protective cover and a filter at the end of the air compressor inlet pipe of the pneumatic mixer, combined with the design of the suction fan and dust filter cartridge, the problem of doping dust impurities during the material mixing process of the pneumatic mixer is solved, achieving higher material mixing quality and more convenient filter cleaning.
Patent Information
- Application Number
- CN202421514479.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The existing pneumatic mixers are easily mixed with dust and impurities during the material mixing process, which affects product quality. At the same time, the dust filter cartridge is inconvenient to clean, affecting the exhaust effect.
A mixing device with dustproof function is designed. By setting a protective cover and a filter net at the end of the air inlet pipe of the air compressor, dust impurities are prevented from entering the mixing box; at the same time, the gas inside the mixing box is discharged by a suction fan and a suction pipe, and filtered with a dust filter cartridge to achieve dustproof effect, and the cleaning of the filter net is facilitated through a design that is easy to disassemble and assemble.
Effectively prevent dust and impurities from entering the mixing box, improve the quality of materials when mixing; facilitate the cleaning of the filter net, reduce the impact of blockage and improve the reliability of the overall equipment.
Smart Images

Figure CN222804902U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of airflow mixing devices, in particular to a mixing device with a dustproof function. Background Art
[0002] Equipment for mixing powders is a common equipment in many industries. Traditional mixing equipment is mostly mechanical. In recent years, pneumatic mixers that use compressed air as a stirring power have been developed. Because it does not require mechanical mixing parts such as mixing arms or mixing blades, it reduces the investment cost of equipment and does not cause problems such as wear and blockage. Therefore, pneumatic mixers are more popular.
[0003] The existing pneumatic mixer as a material mixing device still has some disadvantages, such as: 1. Generally, the air is compressed and sent directly into the mixing box through an air compressor, which is easy to be mixed with some dust impurities, affecting the quality of the product when the materials are mixed; 2. When exhausting, the traditional mixing device generally uses a dust filter cartridge for dust protection to prevent dust pollution. Since the dust filter cartridge is not convenient to disassemble and assemble, it is more troublesome to clean the dust filter cartridge, which easily affects the exhaust effect. For this reason, a mixing device with dustproof function is designed. Utility Model Content
[0004] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide a mixing device with a dustproof function to solve the problems mentioned in the background technology.
[0005] The above technical objectives of the utility model are achieved through the following technical solutions:
[0006] A mixing device with a dust-proof function comprises a mixing box and a mounting frame, the bottom of the mixing box passes through the mounting frame, one side of the mixing box is connected and provided with a feeding pipe, the feeding valve is installed on the feeding pipe, the bottom of the mixing box is provided with a material outlet, and a pneumatic butterfly valve is fixedly installed on the material outlet, a convex block is welded on the outer side of the mixing box, the convex block is fixedly connected to the upper surface of the mounting frame by a first fastening bolt, a supporting leg is welded on the lower surface of the mounting frame, an air compressor is arranged on one side of the supporting leg, one end of the air compressor is connected and provided with an air intake pipe, the end of the air intake pipe is threadedly connected with a protective cover, a filter is arranged on the outer side of the protective cover, the other end of the air compressor is connected and provided with an air supply pipe, the other end of the air supply pipe is connected and provided with an annular air guide pipe, the inner side of the annular air guide pipe is connected and provided with an air blowing nozzle, and the output end of the air blowing nozzle is connected with the interior of the mixing box.
[0007] An air outlet slot is provided on the top of the mixing box, and a slot is provided on the inner side of the air outlet slot, a dust filter cartridge is inserted in the slot, a positioning block is fixedly provided on the top of the dust filter cartridge, a clamping block is welded on the outer side of the positioning block, and a clamping slot for the clamping block to be clamped is provided on the top of the slot, a cover plate is fixedly provided on the top of the mixing box by a second fastening bolt, the upper surface of the positioning block is in conflict with the lower surface of the cover plate, a support platform is welded on the upper surface of one side of the mounting frame, a suction fan is fixedly installed on the upper surface of the support platform, an input end of the suction fan is connected with a suction pipe, the other end of the suction pipe is connected with the air outlet slot, and an outlet hood is connected to the output end of the suction fan.
[0008] By adopting the above technical scheme, by arranging a protective cover and a filter, it is possible to prevent dust and impurities from entering the mixing box through the air inlet pipe when the air compressor compresses the air, thereby improving the quality of material mixing, and the protective cover is easy to disassemble and assemble, and the filter is convenient to clean; the gas inside the mixing box is discharged through the air outlet hood by the suction fan and the suction pipe, and the dust inside the mixing box is filtered by the dust filter cartridge, thereby playing a dust-proof role, and at the same time, by unscrewing the second fastening bolt and removing the cover plate, the card block can be taken out of the card slot, thereby removing the dust filter cartridge from the slot, which is convenient for cleaning the dust filter cartridge and reducing the impact of blockage on the exhaust effect.
[0009] Preferably, four groups of the protrusions and the first fastening bolts are correspondingly arranged, and the four groups of the protrusions and the four groups of the first fastening bolts are respectively arranged around the mixing box.
[0010] By adopting the above technical solution, the stability of the mixing box during installation can be increased.
[0011] Preferably, the blowing nozzles are sealedly connected to the mixing box, and eight groups of the blowing nozzles are evenly arranged on the circumference of the annular air duct.
[0012] By adopting the above technical solution, the uniformity of air blowing and mixing can be increased.
[0013] Preferably, three groups of dust filter cartridges are provided, and the tops of the three groups of dust filter cartridges are transversely arranged in the air outlet slot.
[0014] By adopting the above technical solution, the dust prevention effect can be increased while increasing the fluency of exhaust.
[0015] Preferably, two groups of heating plates are symmetrically installed on the inner wall of the mixing box.
[0016] By adopting the above technical solution, the interior of the mixing box can be heated by the provided heating plate, so that it is convenient to carry out heating treatment when the materials need to be heated and mixed, thereby facilitating the drying of the materials.
[0017] Preferably, a rubber sealing pad is fixedly provided inside the card slot, and the card block is sealed and connected to the card slot via the rubber sealing pad.
[0018] By adopting the above technical solution, the sealing between the card block and the card slot can be increased to prevent air leakage.
[0019] Preferably, eight groups of the second fastening bolts are provided, and the eight groups of the second fastening bolts are distributed on the circumference of the cover plate in a circular array.
[0020] In summary, the utility model mainly has the following beneficial effects:
[0021] First, the utility model can prevent dust and impurities from entering the mixing box through the air intake pipe when the air compressor compresses air by providing a protective cover and a filter, thereby improving the quality of material mixing, and the protective cover is easy to disassemble and assemble, and the filter is convenient for cleaning;
[0022] Second, the utility model discharges the gas inside the mixing box through the air outlet hood by means of the suction fan and the suction pipe, and uses the dust filter cartridge to filter the dust inside the mixing box, thereby playing a dust-proof role. At the same time, by unscrewing the second fastening bolt and removing the cover plate, the card block can be taken out of the card slot, thereby removing the dust filter cartridge from the slot, making it convenient to clean the dust filter cartridge and reducing the influence of blockage on the exhaust effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a structural schematic diagram of the utility model;
[0024] Figure 2 This utility model Figure 1 Structural cross-section view of the top of the intermediate mixing box;
[0025] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle;
[0026] Figure 4 This utility model Figure 1 Schematic diagram of the distribution structure of the middle blowing nozzle.
[0027] Figure numerals: 1. mixing box; 2. mounting frame; 3. feeding pipe; 4. feeding valve; 5. discharge port; 6. pneumatic butterfly valve; 7. bump; 8. first fastening bolt; 9. support leg; 10. air compressor; 11. air inlet pipe; 12. protective cover; 13. filter screen; 14. air supply pipe; 15. annular air guide pipe; 16. blowing nozzle; 17. air outlet slot; 18. slot; 19. dust filter cartridge; 20. positioning block; 21. clamping block; 22. clamping slot; 23. second fastening bolt; 24. cover plate; 25. support platform; 26. suction fan; 27. suction pipe; 28. air outlet hood; 29. heating plate; 30. rubber sealing pad. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example
[0029] refer to Figure 1-4 A mixing device with dustproof function comprises a mixing box 1 and a mounting frame 2, the bottom of the mixing box 1 passes through the mounting frame 2, a feeding pipe 3 is connected to one side of the mixing box 1, a feeding valve 4 is installed on the feeding pipe 3, a discharge port 5 is arranged at the bottom of the mixing box 1, a pneumatic butterfly valve 6 is fixedly installed on the discharge port 5, a convex block 7 is welded on the outer side of the mixing box 1, the convex block 7 is fixedly connected to the upper surface of the mounting frame 2 by a first fastening bolt 8, and a lower surface of the mounting frame 2 is welded A support leg 9, an air compressor 10 is provided on one side of the support leg 9, one end of the air compressor 10 is connected to an air inlet pipe 11, the end of the air inlet pipe 11 is threadedly connected to a protective cover 12, a filter screen 13 is provided on the outside of the protective cover 12, the other end of the air compressor 10 is connected to an air delivery pipe 14, the other end of the air delivery pipe 14 is connected to an annular air guide pipe 15, the inner side of the annular air guide pipe 15 is connected to an air blowing nozzle 16, and the output end of the air blowing nozzle 16 is connected to the inside of the mixing box 1;
[0030] An air outlet slot 17 is provided on the top of the mixing box 1, and a slot 18 is provided on the inner side of the air outlet slot 17, and a dust filter cartridge 19 is inserted in the slot 18. A positioning block 20 is fixedly provided on the top of the dust filter cartridge 19, and a clamping block 21 is welded on the outer side of the positioning block 20. A clamping slot 22 for clamping the clamping block 21 is provided on the top of the slot 18. A cover plate 24 is fixedly provided on the top of the mixing box 1 by a second fastening bolt 23, and the upper surface of the positioning block 20 is in conflict with the lower surface of the cover plate 24. A support platform 25 is welded on the upper surface of one side of the mounting frame 2, and a suction fan 26 is fixedly installed on the upper surface of the support platform 25. The input end of the suction fan 26 is connected with a suction pipe 27, and the other end of the suction pipe 27 is connected with the air outlet slot 17, and the output end of the suction fan 26 is connected with an air outlet hood 28.
[0031] refer to Figure 1 , in order to increase the stability of the mixing box 1 during installation; the protrusions 7 and the first fastening bolts 8 are correspondingly arranged in four groups, and the four groups of protrusions 7 and the four groups of the first fastening bolts 8 are respectively arranged around the mixing box 1.
[0032] refer to Figure 4 , in order to increase the uniformity of blowing and mixing; the blowing nozzle 16 is sealed and connected to the mixing box 1, and the blowing nozzle 16 is evenly arranged in eight groups on the circumference of the annular air duct 15.
[0033] refer to Figure 2 In order to increase the fluency of exhaust gas and increase the dust-proof effect at the same time, three groups of dust filter cartridges 19 are provided, and the tops of the three groups of dust filter cartridges 19 are horizontally arranged in the air outlet slot 17.
[0034] refer to Figure 2 Two groups of heating plates 29 are symmetrically installed on the inner wall of the mixing box 1. The heating plates 29 can heat the interior of the mixing box 1, so that it is convenient to heat the materials when they need to be heated and mixed, and to facilitate the drying of the materials.
[0035] refer to Figure 2-3 In order to increase the sealing between the card block 21 and the card slot 22 and prevent air leakage, a rubber sealing pad 30 is fixedly arranged inside the card slot 22, and the card block 21 is sealed and connected to the card slot 22 through the rubber sealing pad 30.
[0036] refer to Figure 1 In order to increase the installation stability between the cover plate 24 and the mixing box 1 , eight groups of the second fastening bolts 23 are provided, and the eight groups of the second fastening bolts 23 are distributed on the circumference of the cover plate 24 in a circular array.
[0037] Principle and advantages of use:
[0038] By opening the feeding valve 4, the material is fed into the mixing box 1 through the feeding pipe 3, and at the same time, the air compressor 10 is turned on to feed compressed air into the mixing box 1. The material is fluidized by the powerful thrust of the compressed air, and the material is tumbled up and down and stirred violently. The material can be fully mixed in a short time. After mixing, the material is discharged from the discharge port 5 by opening the pneumatic butterfly valve 6.
[0039] When the air compressor 10 compresses air, by providing the protective cover 12 and the filter 13, dust and impurities can be prevented from entering the mixing box 1 through the air inlet pipe 11 when the air compressor 10 compresses air, thereby improving the quality of the material when it is mixed, and the protective cover 12 is easy to disassemble and assemble, and the filter 13 is convenient for cleaning;
[0040] When exhausting, the gas inside the mixing box 1 is discharged through the air outlet hood 28 by the suction fan 26 and the suction pipe 27, and the dust inside the mixing box 1 is filtered by the dust filter cartridge 19, thereby playing a dust-proof role. At the same time, by unscrewing the second fastening bolt 23 and removing the cover plate 24, the block 21 can be taken out of the slot 22, so that the dust filter cartridge 19 can be removed from the slot 18, which is convenient for cleaning the dust filter cartridge 19 and reducing the influence of blockage on the exhaust effect.
[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A mixing device with dustproof function, comprising a mixing box (1) and a mounting frame (2), characterized in that: The bottom of the mixing box (1) passes through the mounting frame (2), a feeding pipe (3) is connected to one side of the mixing box (1), a feeding valve (4) is installed on the feeding pipe (3), a discharge port (5) is arranged at the bottom of the mixing box (1), a pneumatic butterfly valve (6) is fixedly installed on the discharge port (5), a convex block (7) is welded on the outer side of the mixing box (1), the convex block (7) is fixedly connected to the upper surface of the mounting frame (2) by a first fastening bolt (8), a support leg (9) is welded on the lower surface of the mounting frame (2), one side of the support leg (9) is fixedly connected to the upper surface of the mounting frame (2), and a support leg (9) is welded on the lower surface of the mounting frame (2). An air compressor (10) is arranged on one side, one end of the air compressor (10) is connected to an air inlet pipe (11), the end of the air inlet pipe (11) is threadedly connected to a protective cover (12), a filter screen (13) is arranged on the outside of the protective cover (12), the other end of the air compressor (10) is connected to an air supply pipe (14), the other end of the air supply pipe (14) is connected to an annular air guide pipe (15), the inner side of the annular air guide pipe (15) is connected to an air blowing nozzle (16), and the output end of the air blowing nozzle (16) is connected to the inside of the mixing box (1); The mixing box (1) is provided with an air outlet slot (17) at the top, a slot (18) is provided inside the air outlet slot (17), a dust filter cartridge (19) is inserted inside the slot (18), a positioning block (20) is fixedly provided at the top of the dust filter cartridge (19), a clamping block (21) is welded to the outside of the positioning block (20), a clamping slot (22) for clamping the clamping block (21) is provided at the top of the slot (18), and the top of the mixing box (1) is fixed by a second fastening bolt (23). ) is fixedly provided with a cover plate (24), the upper surface of the positioning block (20) is in conflict with the lower surface of the cover plate (24), a support platform (25) is welded to the upper surface of one side of the mounting frame (2), a suction fan (26) is fixedly installed on the upper surface of the support platform (25), the input end of the suction fan (26) is connected to a suction pipe (27), the other end of the suction pipe (27) is connected to the air outlet slot (17), and the output end of the suction fan (26) is connected to an air outlet hood (28).
2. A mixing device with dust-proof function according to claim 1, characterized in that: Four groups of the protrusions (7) and the first fastening bolts (8) are correspondingly arranged, and the four groups of the protrusions (7) and the four groups of the first fastening bolts (8) are respectively arranged around the mixing box (1).
3. A mixing device with dust-proof function according to claim 1, characterized in that: The air blowing nozzles (16) are sealedly connected to the mixing box (1), and eight groups of the air blowing nozzles (16) are evenly arranged on the circumference of the annular air guide pipe (15).
4. A mixing device with dust-proof function according to claim 1, characterized in that: The dust filter cartridges (19) are provided in three groups, and the tops of the three groups of dust filter cartridges (19) are transversely arranged in the air outlet slot (17).
5. The mixing device with dust-proof function according to claim 1, characterized in that: Two groups of heating plates (29) are symmetrically mounted on the inner wall of the mixing box (1).
6. A mixing device with dust-proof function according to claim 1, characterized in that: A rubber sealing pad (30) is fixedly arranged inside the card slot (22), and the card block (21) is sealedly connected to the card slot (22) via the rubber sealing pad (30).
7. A mixing device with dust-proof function according to claim 1, characterized in that: Eight groups of the second fastening bolts (23) are provided, and the eight groups of the second fastening bolts (23) are distributed on the circumference of the cover plate (24) in a ring array.