CN117886126B - Quantitative pneumatic conveying device for powder materials - Google Patents
Quantitative pneumatic conveying device for powder materials Download PDFInfo
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- CN117886126B CN117886126B CN202410303001.7A CN202410303001A CN117886126B CN 117886126 B CN117886126 B CN 117886126B CN 202410303001 A CN202410303001 A CN 202410303001A CN 117886126 B CN117886126 B CN 117886126B
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- 239000000463 material Substances 0.000 title claims abstract description 82
- 239000000843 powder Substances 0.000 title claims abstract description 35
- 230000002093 peripheral effect Effects 0.000 claims abstract description 47
- 238000007789 sealing Methods 0.000 claims description 12
- 239000002344 surface layer Substances 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 239000008187 granular material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 9
- 230000001681 protective effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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Abstract
The invention is suitable for the technical field of pneumatic conveying equipment, and provides a powder material quantitative pneumatic conveying device which comprises a blanking unit, a material collecting unit and a conveying pipe unit; the adapter comprises a first hemispherical shell and a second hemispherical shell which are matched with each other; two groups of connecting parts which are mutually perpendicular are fixed on the peripheral side surface of the first hemispherical shell; the side surfaces of the two connecting parts are positioned at the eccentric positions and are provided with channels which are mutually perpendicular; a protective piece which is in rotary fit with the shaft hole is rotatably arranged in the second hemispherical shell; the protection piece comprises a fixed pipe which is rotatably arranged in the shaft hole; the end part of the fixed pipe is fixed with a third hemispherical shell; and a curved surface protection plate is fixed on the third hemispherical shell. The device drives the guard piece to slowly rotate through controlling and opening the servo motor on each group of the switching pieces, so that powder airflow entering the switching pieces through the channels collides on the curved surface protection plate which rotates, materials are prevented from colliding with the same part of the curved surface protection plate for a long time, and the service life of the curved surface protection plate is prolonged.
Description
Technical Field
The invention relates to the technical field of pneumatic conveying equipment, in particular to a quantitative pneumatic conveying device for powder materials.
Background
Pneumatic conveying is widely applied to conveying materials such as particles, powder and the like, and is divided into positive pressure type and negative pressure type; the current positive pressure type pneumatic conveying system generally comprises a Roots blower, a blanking mechanism and a receiving mechanism; the Roots blower conveys the materials in the blanking mechanism into the receiving mechanism through the pipeline.
In the conveying process, the high-speed conveyed materials collide with the pipeline elbow part, so that the pipeline elbow is used for a long time, the collision position of the pipeline elbow is seriously worn, the service life of the pipeline elbow is reduced, the pipeline elbow needs to be replaced regularly, and the conveying efficiency of powder materials is reduced; meanwhile, the powder material conveying amount is difficult to control, and when the pipe elbow is blocked, the pipe elbow is inconvenient to dredge in time; it is therefore highly desirable to design a conveyor device that allows for quantitative pneumatic conveying while at the same time increasing the service life of the conveying pipe bend.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the powder material quantitative pneumatic conveying device which drives the protection piece to slowly rotate by controlling and opening the servo motors on each group of the switching pieces, so that powder air flow entering the switching pieces through the channels collides on the rotating curved surface protection plate, the materials are prevented from colliding on the same position of the curved surface protection plate for a long time, and the service life of the curved surface protection plate is prolonged.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The quantitative pneumatic conveying device for the powder materials comprises a blanking unit, a receiving unit and a conveying pipe unit; the discharging unit is fixedly connected with the receiving unit through a conveying pipe unit; the conveying pipe unit comprises a plurality of adapters and a plurality of conveying pipes; the two adapter pieces are fixedly connected through corresponding conveying pipes; the blanking unit is connected with a group of transfer pieces through corresponding conveying pipes; the material receiving unit is connected with the other group of the switching pieces through corresponding conveying pipes; the adapter comprises a first hemispherical shell and a second hemispherical shell which are matched with each other; two groups of connecting parts which are mutually perpendicular are fixed on the peripheral side surface of the first hemispherical shell; the side surfaces of the two connecting parts are positioned at the eccentric positions and are provided with channels which are mutually perpendicular; the peripheral side surface of the second hemispherical shell is provided with a shaft hole; a protective piece which is in rotary fit with the shaft hole is rotatably arranged in the second hemispherical shell; the protection piece comprises a fixed pipe rotatably arranged in the shaft hole; the end part of the fixed pipe is fixed with a third hemispherical shell which is arranged at the same center with the second hemispherical shell; a curved surface protection plate is fixed on the third hemispherical shell; and the curved surface protection plate is provided with a rubber plate which is matched with the curved surface protection plate.
The invention is further provided with: the bottom surface of the first hemispherical shell is provided with an annular thread groove, and an annular plate is fixed on the inner wall of the first hemispherical shell; the bottom surface of the annular plate is provided with an annular groove; a threaded ring in threaded connection with the annular threaded groove is fixed on the surface of the second hemispherical shell; the first connecting flange is fixed on the peripheral side surface of the first hemispherical shell and the second hemispherical shell; the two first connecting flanges are fixedly connected through fastening bolts.
The invention is further provided with: a plurality of annular sealing grooves are formed in the inner peripheral side surface of the second hemispherical shell; a plurality of rubber rings matched with the corresponding annular sealing grooves are uniformly fixed on the side surface of the periphery of the third hemispherical shell; a storage cavity is formed between the third hemispherical shell and the curved surface protection plate; the storage cavity is filled with sound-absorbing granular materials; the screw thread column is rotatably arranged in the fixed pipe; a handle is fixed at the end part of the threaded column; and a sealing ring which is in running fit with the annular groove is fixed on the surface of the third hemispherical shell.
The invention is further provided with: the side surface of the periphery of the fixed pipe is sleeved with an annular block; the annular block is fixedly arranged on the fixed pipe through a fastening bolt; the bottom surface of the annular block is fixed with a driving piece through a fastening bolt; the driving member includes a curved mask; the curved surface cover is uniformly provided with first mounting holes; screw holes are uniformly formed in the peripheral side face of the second hemispherical shell; the curved surface cover is fixed on the peripheral side surface of the second hemispherical shell through a fastening bolt.
The invention is further provided with: a U-shaped seat is fixed on the peripheral side surface of the curved surface cover; a handle is fixed on the side surface of the U-shaped seat; a servo motor is fixedly arranged on the bottom surface of the U-shaped seat; the output end of the servo motor is provided with a speed reducer; the output end of the servo motor is connected with a sleeve arranged on the same axis of the fixed pipe through a speed reducer; a limiting strip is fixed on the peripheral side surface of the fixed pipe; a limit groove in sliding fit with the limit strip is formed in the inner wall of the sleeve; the end part of the sleeve is symmetrically provided with second mounting holes; the sleeve end is fixed on the annular block through a fastening bolt.
The invention is further provided with: a fur layer is arranged on the side surface of the periphery of the rubber plate; the inner peripheral side surface of the curved surface protection plate is provided with a hook surface layer which is mutually bonded and matched with the rough surface layer.
The invention is further provided with: connecting covers are symmetrically fixed at two ends of the conveying pipe; the peripheral side surfaces of the connecting covers are fixedly provided with plug-in rings, and the peripheral side surfaces of the connecting covers are fixedly provided with second connecting flanges; the blanking unit comprises a material conveying cylinder; the material receiving unit comprises a material receiving box; a connecting pipe is communicated with the peripheral side surface of the material receiving box near the top of the material receiving box; the connecting part, the connecting pipe and the peripheral side surface of the material conveying cylinder are fixedly connected with a third connecting flange, and slots which are in plug-in fit with the plug-in rings are formed in the connecting part and the connecting pipe; the third connecting flanges are fixedly connected with the corresponding second connecting flanges through fastening bolts.
The invention is further provided with: a material conveying pipe is fixed on the peripheral side surface of the material conveying cylinder; a conveying auger is rotatably arranged in the conveying pipe, and a driving motor is arranged at the end part of the conveying pipe; the output end of the driving motor is fixedly connected with a rotating shaft on the conveying auger; the conveying pipeline is characterized in that a storage box is arranged on the peripheral side face of the conveying pipeline, which is close to one end of the conveying auger, and a blanking port is formed in the peripheral side face of the conveying pipeline, which is close to the other end of the conveying auger, and is communicated with the conveying cylinder.
The invention is further provided with: a fan is arranged at one end of the material conveying cylinder, and a discharge hole which is coaxially arranged with the conveying pipe is arranged at the other end of the material conveying cylinder; a supporting frame is fixed on the material conveying cylinder; a support base is fixed at the bottom of the support frame; an L-shaped supporting plate is fixed between the supporting base and the storage box.
The invention has the advantages that:
According to the invention, the powder materials in the storage box are fed into the conveying pipe, and the conveying auger can accurately and quantitatively convey the powder materials, so that the powder materials are conveyed uniformly and the effect of feeding according to the need is achieved.
According to the invention, when the pneumatic conveying of powder materials is started, the servo motors on each group of the switching pieces are controlled to be opened, the protection pieces are driven to slowly rotate, and as the channels are eccentrically arranged on the connecting parts, powder air flows entering the switching pieces through the channels collide on the rotating curved surface protection plates, so that the materials can be prevented from colliding on the same position of the curved surface protection plates for a long time, the curved surface protection plates continuously move, the contact time of the materials and the curved surface protection plates is prolonged, and when the materials collide the curved surface protection plates, the unit impulse born by the curved surface protection plates is reduced, so that the effect of protecting the curved surface protection plates is achieved, and the service life of the curved surface protection plates is prolonged.
According to the invention, the structural design of the traditional pipeline elbow is replaced by the adapter, so that the service life of the connecting elbow of the conveying pipe is prolonged, and meanwhile, when the interior of the adapter is blocked, the adapter can be dredged in time only by detaching the second hemispherical shell on the adapter, so that the operation is simple and the use is convenient.
Drawings
FIG. 1 is a schematic structural view of a quantitative pneumatic conveying device for seed powder materials.
Fig. 2 is a schematic structural diagram of a blanking unit of the present invention.
Fig. 3 is a schematic structural diagram of a receiving unit of the present invention.
Fig. 4 is an enlarged view of area a of fig. 3 in accordance with the present invention.
Fig. 5 is a schematic structural view of the transfer pipe unit of the present invention.
Fig. 6 is a schematic structural view of the adaptor of the present invention.
Fig. 7 is a schematic view of another angle of the adaptor of the present invention.
Fig. 8 is a schematic structural view of a delivery tube according to the present invention.
Fig. 9 is a schematic structural view of a first half spherical shell according to the present invention.
Fig. 10 is a schematic structural view of a second hemispherical shell according to the present invention.
Fig. 11 is a schematic structural view of the guard of the present invention.
Fig. 12 is an enlarged view of area B of fig. 11 in accordance with the present invention.
Fig. 13 is a schematic structural view of the rubber sheet of the present invention.
Fig. 14 is a schematic structural view of a driving member according to the present invention.
Fig. 15 is a schematic structural view of the driving member and guard assembly of the present invention.
Fig. 16 is a schematic structural view of the assembly of the conveying pipe unit and the driving member of the present invention.
Fig. 17 is an enlarged view of region C of fig. 16 in accordance with the present invention.
In the figure: 1. a blanking unit; 2. a material receiving unit; 3. a conveying pipe unit; 4. an adapter; 5. a delivery tube; 6. a first hemispherical shell; 7. a second hemispherical shell; 8. a connection part; 9. a channel; 10. a shaft hole; 11. a guard; 12. a fixed tube; 13. a third hemispherical shell; 14. curved surface guard plates; 15. a rubber plate; 16. a thread groove; 17. an annular plate; 18. an annular groove; 19. a threaded ring; 20. a first connection flange; 21. an annular seal groove; 22. a rubber ring; 23. a storage chamber; 24. a sound absorbing particulate material; 25. a threaded column; 26. a handle; 27. a seal ring; 28. a plug ring; 29. an annular block; 30. a driving member; 31. a curved mask; 32. a first mounting hole; 33. a screw hole; 34. a U-shaped seat; 35. a handle; 36. a servo motor; 37. a speed reducer; 38. a sleeve; 39. a limit bar; 40. a limit groove; 41. a second mounting hole; 42. a wool top layer; 43. a connection cover; 44. a second connection flange; 45. a feed delivery cylinder; 46. a material receiving box; 47. a connecting pipe; 48. a third connecting flange; 49. a slot; 50. conveying the auger; 51. a driving motor; 52. a storage bin; 53. a blanking port; 54. a blower; 55. a discharge port; 56. a support frame; 57. a support base; 58. an L-shaped supporting plate; 59. and a material conveying pipe.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present invention, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present invention.
Referring to fig. 1-17, the present invention provides the following technical solutions:
The powder material quantitative pneumatic conveying device comprises a blanking unit 1, a material receiving unit 2 and a conveying pipe unit 3; the blanking unit 1 is fixedly connected with the receiving unit 2 through a conveying pipe unit 3; the conveying pipe unit 3 comprises a plurality of adapters 4 and a plurality of conveying pipes 5; the two adapter pieces 4 are fixedly connected through corresponding conveying pipes 5; the blanking unit 1 is connected with a group of adapter pieces 4 through corresponding conveying pipes 5; the material receiving unit 2 is connected with the other group of the adapter pieces 4 through corresponding conveying pipes 5; the adapter 4 comprises a first hemispherical shell 6 and a second hemispherical shell 7 which are matched; two groups of connecting parts 8 which are mutually perpendicular are fixed on the peripheral side surface of the first hemispherical shell 6; the side surfaces of the two connecting parts 8 are positioned at the eccentric positions and are provided with channels 9 which are mutually perpendicular; the side surface of the periphery of the second hemispherical shell 7 is provided with a shaft hole 10; the second hemispherical shell 7 is rotatably provided with a protection piece 11 which is in rotary fit with the shaft hole 10; the guard 11 includes a fixed tube 12 rotatably disposed in the shaft hole 10; a third hemispherical shell 13 which is arranged concentrically with the second hemispherical shell 7 is fixed at the end part of the fixed pipe 12; a curved surface protection plate 14 is fixed on the third hemispherical shell 13; the curved surface protection plate 14 is provided with a rubber plate 15 which is matched with the curved surface protection plate.
The first working principle of this embodiment: the third hemispherical shell 13 on the protection piece 11 is driven to slowly rotate in the second hemispherical shell 7 around the shaft hole 10, so that the curved surface protection plate 14 is driven to slowly rotate, powder airflow entering the adapter piece 4 through the channel 9 collides with the rotating curved surface protection plate 14, the materials are prevented from colliding with the same position of the curved surface protection plate 14 for a long time, and the service life of the curved surface protection plate 14 is prolonged; the structural design of traditional pipeline elbow is replaced through adaptor 4, has improved the life of conveyer pipe connection elbow department, simultaneously, when adaptor 4 inside receives stifled, only need dismantle second hemisphere shell 7 on the adaptor 4, can carry out timely mediation to adaptor 4, easy operation, convenient to use.
Referring to fig. 1-17, the second embodiment is modified based on the first embodiment, specifically, the bottom surface of the first hemispherical shell 6 is provided with an annular thread groove 16, and an annular plate 17 is fixed on the inner wall of the annular thread groove; the bottom surface of the annular plate 17 is provided with an annular groove 18; a threaded ring 19 in threaded connection with the annular threaded groove 16 is fixed on the surface of the second hemispherical shell 7; the first connecting flange 20 is fixed on the peripheral side surface of the first hemispherical shell 6 and the second hemispherical shell 7; the two first connecting flanges 20 are fixedly connected by fastening bolts.
A plurality of annular sealing grooves 21 are formed in the inner peripheral side surface of the second hemispherical shell 7; a plurality of rubber rings 22 matched with the corresponding annular sealing grooves 21 are uniformly fixed on the peripheral side surface of the third hemispherical shell 13; a storage cavity 23 is formed between the third hemispherical shell 13 and the curved surface protection plate 14; the storage cavity 23 is filled with sound absorbing granular material 24; the screw thread column 25 is rotatably arranged in the fixed pipe 12; a handle 26 is fixed at the end of the threaded column 25; the surface of the third hemispherical shell 13 is fixed with a sealing ring 27 which is in rotary fit with the annular groove 18.
The side surface of the periphery of the fixed pipe 12 is sleeved with an annular block 29; the annular block 29 is fixedly mounted on the fixed pipe 12 by fastening bolts; the bottom surface of the annular block 29 is fixed with a driving piece 30 through a fastening bolt; the driver 30 comprises a curved mask 31; the curved mask 31 is uniformly provided with first mounting holes 32; screw holes 33 are uniformly formed in the side face of the periphery of the second hemispherical shell 7; the curved mask 31 is fixed to the peripheral side surface of the second hemispherical shell 7 by fastening bolts.
The U-shaped seat 34 is fixed on the side surface of the circumference of the curved mask 31; a handle 35 is fixed on the side surface of the U-shaped seat 34; the bottom surface of the U-shaped seat 34 is fixedly provided with a servo motor 36; a speed reducer 37 is arranged at the output end of the servo motor 36; the output end of the servo motor 36 is connected with a sleeve 38 which is arranged coaxially with the fixed pipe 12 through a speed reducer 37; a limit strip 39 is fixed on the side surface of the periphery of the fixed pipe 12; a limit groove 40 which is in sliding fit with the limit strip 39 is formed in the inner wall of the sleeve 38; the end of the sleeve 38 is symmetrically provided with a second mounting hole 41; the sleeve 38 is secured at its end to the annular block 29 by means of a fastening bolt.
The periphery side surface of the rubber plate 15 is provided with a rough surface layer 42; the inner peripheral side surface of the curved surface protection plate 14 is provided with a hook surface layer which is mutually adhered and matched with the rough surface layer 42.
Connecting covers 43 are symmetrically fixed at two ends of the conveying pipe 5; the plugging ring 28 is fixed on the peripheral side surface of the connecting cover 43, and the second connecting flange 44 is fixed on the peripheral side surface of the connecting cover; the blanking unit 1 comprises a feed conveying cylinder 45; the receiving unit 2 comprises a receiving box 46; a connecting pipe 47 is communicated with the side surface of the circumference of the material receiving box 46 near the top thereof; the connecting part 8, the connecting pipe 47 and the circumferential side surface of the feeding cylinder 45 are fixedly connected with a third connecting flange 48, and are provided with slots 49 which are in plug-in fit with the plug-in rings 28; each third connecting flange 48 is fixedly connected with the corresponding second connecting flange 44 through fastening bolts.
A material conveying pipe 59 is fixed on the side surface of the circumference of the material conveying cylinder 45; a conveying auger 50 is rotatably arranged in the conveying pipe 59, and a driving motor 51 is arranged at the end part of the conveying pipe; the output end of the driving motor 51 is fixedly connected with a rotating shaft on the conveying auger 50; the material storage box 52 is communicated with one end of the conveying auger 50 near the peripheral side surface of the material conveying pipe 59, and a material discharging opening 53 is formed in the peripheral side surface of the material conveying pipe 59 near the other end of the conveying auger 50 and communicated with the material conveying cylinder 45.
A fan 54 is arranged at one end of the material conveying cylinder 45, and a discharge hole 55 which is arranged coaxially with the conveying pipe 5 is arranged at the other end of the material conveying cylinder; a supporting frame 56 is fixed on the feeding cylinder 45; the bottom of the supporting frame 56 is fixed with a supporting base 57; an L-shaped supporting plate 58 is fixed between the supporting base 57 and the storage box 52.
The second working principle of this embodiment:
during assembly, the fixing pipe 12 penetrates through the shaft hole 10, the third hemispherical shell 13 is rotationally attached to the inner wall of the second hemispherical shell 7, at this time, each group of rubber rings 22 on the third hemispherical shell 13 are rotationally arranged in the corresponding annular sealing groove 21, the tightness between the third hemispherical shell 13 and the second hemispherical shell 7 is improved, the annular block 29 is fixed on the fixing pipe 12 through the fastening bolt, and the assembly of the second hemispherical shell 7 and the protective piece 11 is completed.
The rough surface layer 42 on the outer peripheral side surface of the rubber plate 15 is adhered to the hook surface layer on the inner peripheral side surface of the curved surface protection plate 14, the curved surface protection plate 14 is protected, the service life of the curved surface protection plate 14 is prolonged, and the installation, disassembly and replacement processes of the rubber plate 15 are simple.
The sound absorbing granular material is added into the storage cavity 23 through the fixed pipe 12, so that noise emitted by the collision of powder materials with the curved surface protection plate 14 is reduced, and the fixed pipe 12 is plugged by screwing the threaded column 25.
By screwing the threaded ring 19 on the second hemispherical shell 7 into the annular threaded groove 16 on the first hemispherical shell 6, the sealing connection between the first hemispherical shell 6 and the second hemispherical shell 7 is completed, and the corresponding two first connection flanges 20 are fixed together through the fastening bolts, at this time, the sealing ring 27 on the third hemispherical shell 13 is rotatably arranged in the annular groove 18, so that the tightness between the third hemispherical shell 13 and the first hemispherical shell 6 is improved, and the assembly of the first hemispherical shell 6 and the second hemispherical shell 7 is completed.
The curved mask 31 is fixedly mounted on the second hemispherical shell 7 by fastening bolts, at this time, the limit strips 39 on the fixing tube 12 slide in along the limit grooves 40 on the inner wall of the sleeve 38, and the end of the sleeve 38 is fixed on the side surface of the annular block 29 by fastening bolts, so that the mounting between the driving piece 30 and the protecting piece 11 and the second hemispherical shell 7 is completed.
In the pneumatic conveying process, the conveying auger 50 is driven by starting the driving motor 51, powder materials in the storage box 52 are conveyed into the conveying cylinder 45, the conveying auger 50 can accurately and quantitatively convey the powder materials, the powder materials are conveyed uniformly and achieve the effect of feeding according to requirements, meanwhile, the fan 54 is started, and the powder materials falling from the blanking opening 53 are blown to the conveying pipe unit 3 through the discharging opening 55 and enter the material receiving box 46 to be collected.
When the pneumatic conveying of powder materials is started, the servo motors 36 on each group of the transfer pieces 4 are controlled to be opened, the protection pieces 11 are driven to slowly rotate, and as the channels 9 are eccentrically arranged on the connecting parts 8, powder air flows entering the transfer pieces 4 through the channels 9 collide on the rotating curved surface protection plates 14, so that the materials can be prevented from colliding on the same position of the curved surface protection plates 14 for a long time, the curved surface protection plates 14 continuously move, the contact time between the materials and the curved surface protection plates 14 is prolonged, and when the materials collide the curved surface protection plates 14, the unit impulse born by the curved surface protection plates 14 is reduced, so that the effect of protecting the curved surface protection plates 14 is achieved, and the service life of the curved surface protection plates 14 is prolonged.
When the inside of the adapter 4 is blocked, the adapter 4 can be dredged timely only by detaching the second hemispherical shell 7 on the adapter 4, and the operation is simple and the use is convenient.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (9)
1. The powder material quantitative pneumatic conveying device comprises a blanking unit (1), a material receiving unit (2) and a conveying pipe unit (3); the blanking unit (1) is fixedly connected with the material receiving unit (2) through a conveying pipe unit (3); the method is characterized in that:
the conveying pipe unit (3) comprises a plurality of adapters (4) and a plurality of conveying pipes (5); the two adapter pieces (4) are fixedly connected through corresponding conveying pipes (5); the blanking unit (1) is connected with a group of adapter pieces (4) through corresponding conveying pipes (5); the material receiving unit (2) is connected with the other group of the adapter pieces (4) through corresponding conveying pipes (5);
The adapter piece (4) comprises a first hemispherical shell (6) and a second hemispherical shell (7) which are matched with each other; two groups of connecting parts (8) which are mutually perpendicular are fixed on the peripheral side surface of the first hemispherical shell (6); the side surfaces of the two connecting parts (8) are positioned at the eccentric positions and are provided with channels (9) which are mutually perpendicular;
The peripheral side surface of the second hemispherical shell (7) is provided with a shaft hole (10); the second hemispherical shell (7) is rotatably provided with a protection piece (11) which is in rotating fit with the shaft hole (10); the guard (11) comprises a fixed tube (12) rotatably arranged in the shaft hole (10); a third hemispherical shell (13) which is arranged concentrically with the second hemispherical shell (7) is fixed at the end part of the fixed pipe (12); a curved surface protection plate (14) is fixed on the third hemispherical shell (13); and the curved surface protection plate (14) is provided with a rubber plate (15) which is matched with the curved surface protection plate.
2. A powder material quantitative pneumatic conveying apparatus as claimed in claim 1, wherein: an annular thread groove (16) is formed in the bottom surface of the first hemispherical shell (6), and an annular plate (17) is fixed on the inner wall of the first hemispherical shell; an annular groove (18) is formed in the bottom surface of the annular plate (17); a threaded ring (19) in threaded connection with the annular threaded groove (16) is fixed on the surface of the second hemispherical shell (7); the first hemispherical shell (6) and the second hemispherical shell (7) are fixed with a first connecting flange (20) on the peripheral side surfaces; the two first connecting flanges (20) are fixedly connected through fastening bolts.
3. A powder material quantitative pneumatic conveying apparatus as claimed in claim 2, wherein: a plurality of annular sealing grooves (21) are formed in the inner peripheral side surface of the second hemispherical shell (7); a plurality of rubber rings (22) matched with the corresponding annular sealing grooves (21) are uniformly fixed on the side surface of the periphery of the third hemispherical shell (13); a storage cavity (23) is formed between the third hemispherical shell (13) and the curved surface protection plate (14); the storage cavity (23) is internally filled with sound-absorbing granular materials (24); a threaded column (25) is rotatably arranged in the fixed pipe (12) through threads; a handle (26) is fixed at the end part of the threaded column (25); and a sealing ring (27) which is in running fit with the annular groove (18) is fixed on the surface of the third hemispherical shell (13).
4. A powder material quantitative pneumatic conveying apparatus according to claim 3, wherein: an annular block (29) is sleeved on the peripheral side surface of the fixed pipe (12); the annular block (29) is fixedly arranged on the fixed pipe (12) through a fastening bolt; a driving piece (30) is fixed on the bottom surface of the annular block (29) through a fastening bolt; the driver (30) comprises Qu Mianzhao (31); the curved surface cover (31) is uniformly provided with first mounting holes (32); screw holes (33) are uniformly formed in the peripheral side face of the second hemispherical shell (7); the curved surface cover (31) is fixed on the peripheral side surface of the second hemispherical shell (7) through a fastening bolt.
5. A powder material quantitative pneumatic conveying apparatus as claimed in claim 4, wherein: a U-shaped seat (34) is fixed on the peripheral side surface of the curved surface cover (31); a handle (35) is fixed on the side surface of the U-shaped seat (34); a servo motor (36) is fixedly arranged on the bottom surface of the U-shaped seat (34); a speed reducer (37) is arranged at the output end of the servo motor (36); the output end of the servo motor (36) is connected with a sleeve (38) coaxially arranged with the fixed pipe (12) through a speed reducer (37); a limit strip (39) is fixed on the peripheral side surface of the fixed pipe (12); a limit groove (40) which is in sliding fit with the limit strip (39) is formed in the inner wall of the sleeve (38); the end part of the sleeve (38) is symmetrically provided with a second mounting hole (41); the sleeve (38) is fastened at its end to the annular block (29) by means of a fastening bolt.
6. The powder material quantitative pneumatic conveying device according to claim 5, wherein: a rough surface layer (42) is arranged on the peripheral side surface of the rubber plate (15); the inner peripheral side surface of the curved surface protection plate (14) is provided with a hook surface layer which is mutually bonded and matched with the rough surface layer (42).
7. The powder material quantitative pneumatic conveying device according to claim 6, wherein: connecting covers (43) are symmetrically fixed at two ends of the conveying pipe (5); the peripheral side surface of the connecting cover (43) is fixedly provided with a plug ring (28), and the peripheral side surfaces of the connecting cover are fixedly provided with second connecting flanges (44); the blanking unit (1) comprises a feeding cylinder (45); the material receiving unit (2) comprises a material receiving box (46); a connecting pipe (47) is communicated with the peripheral side surface of the material receiving box (46) near the top of the material receiving box; the connecting part (8), the connecting pipe (47) and the peripheral side surface of the material conveying cylinder (45) are fixedly connected with a third connecting flange (48), and slots (49) which are in plug-in fit with the plug-in rings (28) are formed in the connecting part; the third connecting flanges (48) are fixedly connected with the corresponding second connecting flanges (44) through fastening bolts.
8. A powder material quantitative pneumatic conveying apparatus as claimed in claim 7, wherein: a conveying pipe (59) is fixed on the peripheral side surface of the conveying cylinder (45); a conveying auger (50) is rotatably arranged in the conveying pipe (59), and a driving motor (51) is arranged at the end part of the conveying pipe; the output end of the driving motor (51) is fixedly connected with a rotating shaft on the conveying auger (50); the peripheral side face of the conveying pipe (59) is close to one end of the conveying auger (50) and communicated with a storage box (52), and the peripheral side face of the conveying pipe is close to the other end of the conveying auger (50) and communicated with the conveying cylinder (45) and provided with a blanking port (53).
9. A powder material quantitative pneumatic conveying apparatus as claimed in claim 8, wherein: a fan (54) is arranged at one end of the material conveying cylinder (45), and a material outlet (55) which is coaxially arranged with the conveying pipe (5) is arranged at the other end of the material conveying cylinder; a supporting frame (56) is fixed on the material conveying cylinder (45); a supporting base (57) is fixed at the bottom of the supporting frame (56); an L-shaped supporting plate (58) is fixed between the supporting base (57) and the storage box (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410303001.7A CN117886126B (en) | 2024-03-18 | 2024-03-18 | Quantitative pneumatic conveying device for powder materials |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410303001.7A CN117886126B (en) | 2024-03-18 | 2024-03-18 | Quantitative pneumatic conveying device for powder materials |
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| CN117886126A CN117886126A (en) | 2024-04-16 |
| CN117886126B true CN117886126B (en) | 2024-05-07 |
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| CN117886126A (en) | 2024-04-16 |
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