CN217797232U - Rotary screening device - Google Patents
Rotary screening device Download PDFInfo
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- CN217797232U CN217797232U CN202222018016.8U CN202222018016U CN217797232U CN 217797232 U CN217797232 U CN 217797232U CN 202222018016 U CN202222018016 U CN 202222018016U CN 217797232 U CN217797232 U CN 217797232U
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Abstract
A rotary screening device comprises a screening shell, a conveying shell, a feeding pipe, a first rotating piece, a first screening net, a second rotating piece, a second screening net, a recovery shell, a first driving device and a second driving device; the recycling shell is arranged at one end of the screening shell, the conveying shell is arranged at the other end of the screening shell, and the top of the conveying shell is provided with a feeding pipe; first rotation piece rotatable mounting is in carrying the casing, and the second rotates the piece rotatable mounting in first rotation piece, and first screening net and second screening net are installed respectively in the inside of screening casing, and first screening net is located between first rotation piece and the second rotation piece, and the second screening net is located the outside that the second rotated the piece, and the bottom of screening casing is equipped with the discharge gate, and the discharge gate is located the outside that the second screened was netted. The utility model provides a rotary screening device according to above-mentioned content, the screening efficiency who has solved screening device among the prior art is low and the easy problem that blocks up of screening net.
Description
Technical Field
The utility model relates to a powder screening technical field especially relates to a rotary screen divides device.
Background
Powder coatings are 100% solids powders that require grinding prior to use to form particles of a particular size range; if the particle size of the particles is too large or too small, the performance of the formed product is affected; therefore, it is necessary to select the particle size of the particles so that the properties of the particles can be sufficiently expressed in the molded product by sieving the particle size to make the particle size of the particles within a certain reasonable range.
However, some powder grinding machines can cause uneven grinding thickness of the powder coating during grinding, thereby affecting the quality of the powder coating. The existing powder coating screening device only uses a single-layer screening net to screen the researched powder coating, can not efficiently separate out unqualified powder coating, and can even block the screening net in the screening process, thereby influencing the screening quality and the screening efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotary screening device, the problem of screening device's among the prior art screening efficiency low and screening net jam easily has been solved.
To achieve the purpose, the utility model adopts the following technical proposal:
a rotary screening device comprises a screening shell, a conveying shell, a feeding pipe, a first rotating piece, a first screening net, a second rotating piece, a second screening net, a recovery shell, a first driving device and a second driving device;
the recycling shell is mounted at one end of the screening shell, the conveying shell is mounted at the other end of the screening shell, and the feeding pipe is mounted at the top of the conveying shell;
the first rotating member is rotatably mounted on the conveying shell, the second rotating member is rotatably mounted on the first rotating member, the rotating directions of the second rotating member and the first rotating member are opposite, the first driving device is used for driving the first rotating member to rotate, and the second driving device is used for driving the second rotating member to rotate;
first screening net with the second screening net install respectively in the inside of screening casing, first screening net is located first rotation piece with the second rotates between the piece, the second screening net is located the outside that the second rotated the piece, the bottom of screening casing is equipped with the discharge gate, the discharge gate is located the outside of second screening net.
Further, first rotating member includes dwang and stirring subassembly, the dwang is installed the multiunit stirring subassembly along its pole body, and adjacent two the stirring subassembly dislocation set.
Specifically, the stirring assembly comprises a first connecting piece and a trapezoidal stirring plate;
the one end of first connecting piece connect in the dwang, the other end of first connecting piece connect in trapezoidal stirring board, just the tip orientation of trapezoidal stirring board retrieve the casing.
Preferably, the stirring assembly further comprises a first broken powder body, the first broken powder body is installed on two sides of the trapezoidal stirring plate, and the first broken powder body is of a cone structure.
In some embodiments, the second rotating member comprises a lever sleeve, a second connecting member, and a stirring bar;
the rod sleeve is sleeved on the periphery of the rotating rod, one end of the second connecting piece is connected to the periphery of the rod sleeve, and the other end of the second connecting piece is connected to the stirring strip.
Furthermore, the second rotating part further comprises second broken powder bodies, a plurality of second broken powder bodies are respectively arranged on two sides of the stirring bar, and the second broken powder bodies are of cone structures.
Specifically, the periphery of rod cover is equipped with carries the screw thread, carry the screw thread and be located the below of inlet pipe.
Preferably, a transmission gear is installed on the periphery of the rod sleeve, the transmission gear is located on the outer side of the conveying shell, and the transmission gear is meshed with the output end of the second driving device.
Compared with the prior art, one of the technical schemes has the following beneficial effects:
through first screening net and second screening net, will accord with the powder screening that the particle diameter required step by step and come out, prevent that the powder of great particle diameter from blockking up the screening net, further, the rotation opposite direction that first rotation piece and second rotated the piece to can make the powder stirring more even, thereby reach the effect that improves rotary screen device screening quality and screening efficiency.
Drawings
FIG. 1 is a schematic diagram of a rotary screening device according to one embodiment of the present invention;
fig. 2 is a schematic structural diagram of the first rotating member and the second rotating member according to one embodiment of the present invention;
FIG. 3 is a schematic view of a portion of FIG. 2 at a larger scale;
wherein: the screening device comprises a screening shell 1, a discharge hole 11, a conveying shell 2, a feeding pipe 3, a first rotating piece 4, a rotating rod 41, a stirring assembly 42, a first connecting piece 421, a trapezoidal stirring plate 422, a first broken powder 423, a first screening net 5, a second rotating piece 6, a rod sleeve 61, a conveying thread 611, a transmission gear 612, a second connecting piece 62, a stirring bar 63, a second broken powder 64, a second screening net 7, a recovery shell 8 and a first driving device 9.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", "inner", "outer end", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In one embodiment of the present invention, as shown in fig. 1-3, a rotary sieving apparatus comprises a sieving housing 1, a conveying housing 2, a feeding pipe 3, a first rotating member 4, a first sieving net 5, a second rotating member 6, a second sieving net 7, a recovering housing 8, a first driving device 9 and a second driving device (not shown in the figures); the recycling shell 8 is mounted at one end of the screening shell 1, the conveying shell 2 is mounted at the other end of the screening shell 1, and the feeding pipe 3 is mounted at the top of the conveying shell 2; the first rotating member 4 is rotatably mounted on the conveying shell 2, the second rotating member 6 is rotatably mounted on the first rotating member 4, the rotating directions of the second rotating member 6 and the first rotating member 4 are opposite, the first driving device 9 is used for driving the first rotating member 4 to rotate, and the second driving device is used for driving the second rotating member 6 to rotate; first screening net 5 with second screening net 7 install respectively in the inside of screening casing 1, first screening net 5 is located first rotation piece 4 with the second rotates between the piece 6, second screening net 7 is located the second rotates the outside of piece 6, the bottom of screening casing 1 is equipped with discharge gate 11, discharge gate 11 is located the outside of second screening net 7. In this embodiment, in operation, the first driving device 9 drives the first rotating member 4 to rotate clockwise, the second driving device drives the second rotating member 6 to rotate counterclockwise, the powder enters the conveying shell 2 from the feeding pipe 3 and then enters the first sieving mesh 5 from the conveying shell 2, under the action of the first rotating member 4, the powder with medium particle size and the powder with smaller particle size respectively pass through the first sieving mesh 5 and enter the second sieving mesh 7, while the powder with larger particle size is conveyed to the recovery shell 8 for reprocessing, so as to realize primary sieving of the powder, and under the action of the second rotating member 6, the powder with smaller particle size (i.e. the powder meeting the particle size requirement) passes through the second sieving mesh 7 and is packed from the discharge port 11, while the powder with medium particle size is conveyed to the recovery shell 8 for reprocessing, so as to realize secondary sieving of the powder, and the first sieving mesh 5 and the second sieving mesh 7 gradually send the powder meeting the particle size requirement to the second sieving mesh, so as to prevent the powder from blocking, thereby further improving the sieving efficiency and the efficiency of the rotating member 4.
As shown in fig. 1-2, the first rotating member 4 includes a rotating rod 41 and a stirring assembly 42, wherein multiple groups of stirring assemblies 42 are installed on the rotating rod 42 along the shaft thereof, and two adjacent stirring assemblies 42 are arranged in a staggered manner. In this embodiment, the first driving device 9 is a motor, the output end of the first driving device 9 is connected to the rotating rod 41, the number of the stirring assemblies 42 is four, and the dislocation angle of two adjacent stirring assemblies 42 is 120 °, so that the powder stirring is more uniform through the dislocation structure, thereby being beneficial to improving the screening quality of the first rotating member 4.
As shown in fig. 3, the stirring assembly 42 includes a first connecting member 421 and a trapezoidal stirring plate 422; one end of the first connecting member 421 is connected to the rotating rod 41, the other end of the first connecting member 421 is connected to the trapezoidal stirring plate 422, and the end of the trapezoidal stirring plate 422 faces the recycling case 8. In this embodiment, every group stirring subassembly 42 includes the three first connecting piece 421 and three trapezoidal stirring piece 422, three first connecting piece 421 is followed dwang 41's circumferencial direction evenly sets up, and in operation, first drive arrangement 9 drive dwang 41 rotates, thereby makes first connecting piece 421 drives trapezoidal stirring board 422 rotates to make trapezoidal stirring board 422 stir the screening to the powder, and trapezoidal stirring board 422's tip orientation retrieve shell 8, be favorable to making the powder follow carry casing 2 toward retrieve casing 8 and remove.
As shown in fig. 3, the stirring assembly 42 further includes a first powder breaking body 423, the first powder breaking body 423 is installed on two sides of the trapezoidal stirring plate 422, and the first powder breaking body 423 is a cone structure. In this embodiment, first broken powder 423 is the cone structure, works as trapezoidal stirring board 422 rotates, first broken powder 423 can easily bump the powder and scatter, prevents that the powder from agglomerating, reaches the effect that improves stirring subassembly 42 screening quality and screening efficiency, and trapezoidal stirring board 422's both sides set up first broken powder 423, no matter how first rotating member 4 rotates, first broken powder 423 homoenergetic normally works, reaches the effect that improves first rotating member 4 commonality.
As shown in fig. 2, the second rotating member 6 includes a rod cover 61, a second connecting member 62, and a stirring bar 63; the rod sleeve 61 is sleeved on the periphery of the rotating rod 41, one end of the second connecting piece 62 is connected to the periphery of the rod sleeve 61, and the other end of the second connecting piece 62 is connected to the stirring bar 63. In this embodiment, the number of the second connecting member 62 and the number of the rubber strips 63 are five, and in operation, the second driving device drives the rod sleeve 61 to rotate, so that the second connecting member 62 drives the stirring strips 63 to rotate, and the stirring strips 63 stir and sieve the powder.
As shown in fig. 2, the second rotating member 6 further includes a second powder breaking body 64, a plurality of second powder breaking bodies 64 are respectively installed on two sides of the stirring bar 63, and the second powder breaking bodies 64 are of a cone structure. In this embodiment, the second powder breaking bodies 64 are cone-shaped structures, and when the stirring bar 63 rotates, the second powder breaking bodies 64 on the left and right sides of the rubber strip 63 can easily collide and scatter the powder, so as to prevent the powder from agglomerating, and achieve the effect of improving the screening quality and the screening efficiency of the second rotating member 6.
As shown in fig. 1, the rod sleeve 61 is provided with a conveying screw 611 at its outer periphery, and the conveying screw 611 is located below the feeding pipe 3. In this embodiment, when powder enters the conveying shell 2 from the feeding pipe 3, the second driving device drives the rod sleeve 61 to rotate, so that the conveying screw thread 611 rotates, and powder is conveyed from the conveying shell 2 to the screening shell 1, thereby achieving the effect of improving the powder conveying efficiency.
As shown in fig. 1, a transmission gear 612 is installed on the outer periphery of the rod sleeve 61, the transmission gear 612 is located on the outer side of the conveying shell 2, and the transmission gear 612 is engaged with the output end of the second driving device. In this embodiment, the second driving device is a motor, and when the second driving device works, the output end of the second driving device drives the transmission gear 612 to rotate, so that the rod sleeve 61 rotates, and the transmission efficiency is high.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A rotary screen apparatus, characterized in that: the device comprises a screening shell, a conveying shell, a feeding pipe, a first rotating piece, a first screening net, a second rotating piece, a second screening net, a recycling shell, a first driving device and a second driving device;
the recycling shell is mounted at one end of the screening shell, the conveying shell is mounted at the other end of the screening shell, and the feeding pipe is mounted at the top of the conveying shell;
the first rotating member is rotatably mounted on the conveying shell, the second rotating member is rotatably mounted on the first rotating member, the rotating directions of the second rotating member and the first rotating member are opposite, the first driving device is used for driving the first rotating member to rotate, and the second driving device is used for driving the second rotating member to rotate;
first screening net with the second screening net install respectively in the inside of screening casing, first screening net is located first rotation piece with the second rotates between the piece, the second screening net is located the outside that the second rotated the piece, the bottom of screening casing is equipped with the discharge gate, the discharge gate is located the outside of second screening net.
2. A rotary screen apparatus as claimed in claim 1, wherein: first rotating member includes dwang and stirring subassembly, the dwang is installed multiunit stirring subassembly along its pole body, and adjacent two the stirring subassembly dislocation set.
3. A rotary screen apparatus as claimed in claim 2, wherein: the stirring assembly comprises a first connecting piece and a trapezoidal stirring plate;
the one end of first connecting piece connect in the dwang, the other end of first connecting piece connect in trapezoidal stirring board, just the tip orientation of trapezoidal stirring board retrieve the casing.
4. A rotary screen apparatus as claimed in claim 3, wherein: the stirring assembly further comprises first broken powder bodies, the first broken powder bodies are arranged on two sides of the trapezoidal stirring plate, and the first broken powder bodies are of cone structures.
5. A rotary screen apparatus as claimed in claim 2, wherein: the second rotating piece comprises a rod sleeve, a second connecting piece and a stirring bar;
the pole cover sleeve is located the periphery of dwang, the one end of second connecting piece connect in the periphery of pole cover, the other end of second connecting piece connect in the stirring strip.
6. A rotary screen apparatus as claimed in claim 5, wherein: the second rotating piece further comprises second broken powder bodies, a plurality of second broken powder bodies are respectively arranged on two sides of the stirring bar, and the second broken powder bodies are of cone structures.
7. A rotary screen apparatus as claimed in claim 5, wherein: the periphery of rod cover is equipped with carries the screw thread, it is located to carry the screw thread the below of inlet pipe.
8. A rotary screen apparatus as claimed in claim 5, wherein: and a transmission gear is arranged on the periphery of the rod sleeve, is positioned on the outer side of the conveying shell and is meshed with the output end of the second driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222018016.8U CN217797232U (en) | 2022-08-02 | 2022-08-02 | Rotary screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222018016.8U CN217797232U (en) | 2022-08-02 | 2022-08-02 | Rotary screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217797232U true CN217797232U (en) | 2022-11-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222018016.8U Active CN217797232U (en) | 2022-08-02 | 2022-08-02 | Rotary screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217797232U (en) |
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2022
- 2022-08-02 CN CN202222018016.8U patent/CN217797232U/en active Active
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