CN211353876U - Winnowing machine needle roller cleaning mechanism - Google Patents
Winnowing machine needle roller cleaning mechanism Download PDFInfo
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- CN211353876U CN211353876U CN201922013901.5U CN201922013901U CN211353876U CN 211353876 U CN211353876 U CN 211353876U CN 201922013901 U CN201922013901 U CN 201922013901U CN 211353876 U CN211353876 U CN 211353876U
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- needle roller
- scraper
- scraper shaft
- cleaning mechanism
- roller cleaning
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Abstract
The utility model provides a winnowing machine needle roller cleaning mechanism, which comprises a scraper shaft, scrapers, a fixed frame and a rotary driving mechanism, wherein the scraper shaft, the scrapers, the fixed frame and the rotary driving mechanism are arranged below a needle roller and are used for driving the scraper shaft to rotate; the first end of the scraper shaft penetrates through the first connecting hole of the fixing frame, the second end of the scraper shaft penetrates through the second connecting hole of the fixing frame, and the scraper shaft is rotatably connected with the first connecting hole and the second connecting hole; the first end is connected with the rotary driving mechanism. The utility model discloses a winnowing machine needle roller cleaning mechanism, which can better clean the materials and sundries attached to the surface of the needle roller; and, this air separator needle roller clearance mechanism can use simultaneously with the clearance roller to make the needle roller obtain better clearance effect.
Description
Technical Field
The utility model relates to a tobacco processing equipment technical field, concretely relates to air separator needle roller clearance mechanism.
Background
The needle roller in the loosening device used in the local winnowing machine in the tobacco industry loosens the agglomerated tobacco shreds after winnowing and provides the loosened tobacco shreds for the subsequent processes. Because the surface of the needle roller is often mixed with the cut tobacco and other impurities mixed in the cut tobacco, a cleaning roller is usually arranged in the local winnowing machine and used for cleaning the surface of the needle roller. As shown in fig. 1 to 3, the material 11 falls on the surface of the needle roller 15 of the loosening device 12, the needle bar 16 on the needle roller 15 loosens the material, and the loosened material falls on the belt conveyor 13 to be conveyed to the next process, wherein the cleaning roller 14 cleans out the material and sundries in the needle roller gap to keep the surface of the needle roller clean. However, the cleaning roller can only clean the materials and the impurities close to the cleaning roller, but cannot clean the materials and the impurities close to the surface of the needle roller, so that the surface of the needle roller cannot be cleaned well, and therefore, how to obtain good cleaning of the surface of the needle roller becomes a technical problem which needs to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a selection by winnowing machine needle roller clearance mechanism to make the surface of needle roller obtain better clearance.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a needle roller cleaning mechanism of a winnowing machine comprises a scraper shaft, scrapers, a fixed frame and a rotary driving mechanism, wherein the scraper shaft is arranged below a needle roller, the rotary driving mechanism is used for driving the scraper shaft to rotate, the scraper shaft is arranged in parallel with the needle roller, a plurality of scrapers are arranged in the axial direction of the scraper shaft, and the tip parts of the scrapers are close to the surface of the needle roller; the first end of the scraper shaft penetrates through the first connecting hole of the fixing frame, the second end of the scraper shaft penetrates through the second connecting hole of the fixing frame, and the scraper shaft is rotatably connected with the first connecting hole and the second connecting hole; the first end is connected with the rotary driving mechanism.
Preferably, each of the scrapers is uniformly arranged in the axial direction of the scraper shaft.
Preferably, the scraper blade assembly further comprises a plurality of spacers, and the spacers are arranged between two adjacent scraper blades.
Preferably, the spacer is arranged between the scraper and the fixed frame.
Preferably, be provided with first spacing plane on the scraper axle, be provided with the confession on the scraper the mounting hole that the scraper axle passed, mounting hole department have with the spacing plane of second that first spacing plane laminated mutually.
Preferably, the rotary driving mechanism comprises a cylinder and a connecting rod, one end of the connecting rod is connected with the first end, and the other end of the connecting rod is rotatably connected with a piston rod of the cylinder; the air cylinder is perpendicular to the scraper shaft.
Preferably, the rotary driving mechanism further comprises a limiting shaft for being in blocking connection with the connecting rod, and the limiting shaft is arranged above the connecting rod.
Preferably, a radial threaded hole is formed in the outer circumferential surface of the first end, an annular connecting portion is arranged at one end, connected with the first end, of the connecting rod, and a radial fixing hole corresponding to the radial threaded hole is formed in the annular connecting portion.
Preferably, the end cover is connected with the end face of the first end in a blocking mode.
Preferably, bearings are arranged in the first connecting hole and the second connecting hole.
The beneficial effects of the utility model reside in that:
the utility model discloses a winnowing machine needle roller cleaning mechanism, it drives the scraper shaft through rotatory actuating mechanism and rotates, and the scraper rotates along with the scraper shaft to make the tip portion of scraper be close to the surface of needle roller, utilize this tip portion can carry out better clearance to the material and debris that the needle roller surface adheres to; and, this air separator needle roller clearance mechanism can use simultaneously with the clearance roller that sets up in the needle roller top to make the surface of needle roller receive clearance better, and then can make the needle roller obtain clearance effect better.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments are briefly introduced below, and the detailed description of the embodiments of the present invention is further described with reference to the drawings, wherein
FIG. 1 is a schematic view of a conventional in-situ air classifier;
FIG. 2 is a schematic view of a prior art cleaning roll and needle roll in operation;
FIG. 3 is another schematic view of a prior art cleaning roll and needle roll in operation;
fig. 4 is a schematic view of the needle roller cleaning mechanism of the air classifier according to the embodiment of the present invention in use;
fig. 5 is a schematic view of a scraper shaft and a fixing frame provided in an embodiment of the present invention when being installed;
fig. 6 is a schematic view of a scraper shaft provided in accordance with an embodiment of the present invention;
fig. 7 is a front view of a scraper blade according to an embodiment of the present invention;
fig. 8 is a top view of a scraper blade provided by an embodiment of the present invention;
fig. 9 is a left side view of a scraper blade provided by an embodiment of the present invention;
fig. 10 is a front view of a spacer according to an embodiment of the present invention;
fig. 11 is a left side view of a spacer according to an embodiment of the present invention.
In the drawings, the reference numbers:
11. material 12, loosener 13, belt conveyer 14, cleaning roller 15 and needle roller
16. Needle bar 21, needle roller 22, cleaning roller 23, motor 31 and scraper
32. Tip 33, mounting hole 34, second limiting plane 41 and cylinder
42. Connecting rod 43, limiting shaft 51, fixing frame 52, bearing 61 and scraper shaft
62. Spacer 63, end cover 64, first limiting plane 65 and radial threaded hole
66. Axial screw hole 71, fixing screw 72, and fastening bolt
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to specific embodiments.
As shown in fig. 4 to 11, an embodiment of the present invention provides a needle roller cleaning mechanism for an air separator, which includes a scraper shaft 61 disposed below a needle roller, a scraper 31, a fixing frame 51, and a rotary driving mechanism for driving the scraper shaft 61 to rotate, wherein the scraper shaft is disposed in parallel with the needle roller 21, a plurality of scrapers 31 are disposed in an axial direction of the scraper shaft, and a tip 32 of each scraper is close to a surface of the needle roller 21; a first end of the scraper shaft penetrates through a first connecting hole of the fixed frame 51, a second end of the scraper shaft penetrates through a second connecting hole of the fixed frame 51, and the scraper shaft is rotatably connected with the first connecting hole and the second connecting hole; the first end is connected with the rotary driving mechanism. It will be appreciated that the tip 32 of the doctor blade 31 is located between two adjacent needle bars on the needle roller 21.
The embodiment of the utility model provides a winnowing machine needle roller cleaning mechanism, it drives the scraper shaft through rotatory actuating mechanism and rotates, and the scraper rotates along with the scraper shaft to make the pointed end 32 of scraper be close to the surface of needle roller, and the scraper shaft stops rotating this moment, utilizes this pointed end can carry out better clearance to the material and debris that the needle roller 21 surface adheres to; and, this air separator needle roller clearance mechanism can use simultaneously with the clearance roller 22 of setting in the needle roller top to make the surface of needle roller receive the clearance better, and then can make the needle roller obtain the clearance effect better.
Specifically, each scraper 31 is uniformly arranged in the axial direction of the scraper shaft 61, so that the surface between every two adjacent needle bars on the needle roller can be cleaned by the scraper, and the needle roller can be cleaned well, it can be understood that the scraper 31 can be made of stainless steel, the width of the scraper is smaller than the distance between two adjacent needle bars on the needle roller, and the width of the scraper is preferably smaller than the distance between two adjacent needle bars on the needle roller by 2 mm.
Further, the embodiment of the present invention provides a winnowing machine needle roller cleaning mechanism can also include spacers 62, the number of spacers 62 is a plurality of, spacers 62 set up adjacent two between the scraper 31.
In order to avoid friction between the scraper and the holder, the spacer 62 is provided between the scraper and the holder. The spacer arranged between two adjacent scrapers can be made of stainless steel; and the spacer arranged between the scraper and the fixing frame can be made of polytetrafluoroethylene materials so as to reduce friction.
Further, scrape epaxial first spacing plane 64 that is provided with, be provided with the confession on the scraper the mounting hole 33 that the scraper axle passed, mounting hole department have with the spacing plane 34 of second that first spacing plane was laminated mutually to can be through the cooperation of first spacing plane and the spacing plane of second, make the scraper rotate along with scraping the scraper axle.
Specifically, the rotary driving mechanism comprises a cylinder 41 and a connecting rod 42, wherein one end of the connecting rod is connected with the first end, and the other end of the connecting rod is rotatably connected with a piston rod of the cylinder; the air cylinder 41 is disposed perpendicular to the scraper shaft 61. At the moment, the scraper shaft can be driven to rotate only by extending or retracting the piston rod of the air cylinder, so that the scraper moves along with the scraper shaft. The air cylinder 41 may preferably be a servo air cylinder to achieve precise control of the piston rod stroke and thus the scraper shaft rotation angle.
In order to be able to limit the rotation angle of the scraper shaft well, the rotary drive mechanism further includes a limiting shaft 43 for contacting the connecting rod, and the limiting shaft 43 is disposed above the connecting rod. This prevents the tip of the doctor blade from contacting the surface of the needle roller, thereby preventing the doctor blade from being scratched by the surface of the needle roller and preventing the doctor blade from being broken.
Specifically, be provided with radial screw hole 65 on the outer periphery of first end, be used for on the connecting rod 42 with the one end that the first end links to each other is provided with annular connecting portion, be provided with on the annular connecting portion with the radial fixed orifices that radial screw hole 65 corresponds to use set screw 71 to pass radial fixed orifices and cooperate with radial screw hole 65, can realize scraping and scrape being connected between axle 61 and the connecting rod 42.
Further, the embodiment of the utility model provides a selection by winnowing machine needle roller clearance mechanism still include with the annular connecting portion keeps off the end cover 63 that connects, end cover 63 with the terminal surface of first end links to each other. By adopting the scheme, the connecting rod is better limited through the end cover 63, so that the connecting rod and the scraper shaft are firmly and reliably connected. It will be appreciated that the first end may be provided with an axially threaded bore 66 in the end face thereof, and the end cap 63 may be provided with a through bore corresponding to the axially threaded bore, such that the end cap may be connected to the first end by means of a fastening bolt 72 passing through the through bore to engage with the axially threaded bore.
In order to enable the scraper shaft to rotate smoothly, bearings 52 are disposed in the first connection hole and the second connection hole.
The embodiment of the utility model provides a second end of scraper axle can link to each other with rotation actuating mechanism, rotation actuating mechanism with rotation actuating mechanism's structure is the same, the connected mode between rotation actuating mechanism and the second end is the same with the connected mode between rotation actuating mechanism and the first end, equally, also be provided with the end cover on the terminal surface of second end.
The utility model discloses a selection by winnowing machine needle roller clearance mechanism can clear up the material and the debris of planting deeply in the surface root of needle roller, and drive rotatory clearance roller by the motor among the prior art and only can clear up the not dark material in needle roller surface and debris, consequently, make the utility model discloses mutually support with current clearance roller, can realize the comprehensive clearance of selection by winnowing machine needle roller on the spot, reduce or avoid the damage of needle bar to drop. And simultaneously, the utility model discloses a selection by winnowing machine needle roller clearance mechanism's simple structure, the simple installation, control accuracy is high, and the reliability is high.
The above are only preferred embodiments of the present invention, and it should be noted that these examples are only used for illustrating the present invention and not for limiting the scope of the present invention, and after reading the content of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalents also fall within the scope defined by the claims attached to the present application.
Claims (10)
1. The needle roller cleaning mechanism of the winnowing machine is characterized by comprising a scraper shaft, scrapers, a fixed frame and a rotary driving mechanism, wherein the scraper shaft, the scrapers, the fixed frame and the rotary driving mechanism are arranged below a needle roller and are used for driving the scraper shaft to rotate; the first end of the scraper shaft penetrates through the first connecting hole of the fixing frame, the second end of the scraper shaft penetrates through the second connecting hole of the fixing frame, and the scraper shaft is rotatably connected with the first connecting hole and the second connecting hole; the first end is connected with the rotary driving mechanism.
2. The air classifier needle roller cleaning mechanism as claimed in claim 1, wherein each of said scrapers is disposed uniformly in an axial direction of said scraper shaft.
3. The air classifier needle roller cleaning mechanism as claimed in claim 1, further comprising a plurality of spacers, wherein the spacers are disposed between two adjacent scrapers.
4. The air classifier needle roller cleaning mechanism as claimed in claim 3, wherein said spacer is disposed between said scraper and said holder.
5. The air classifier needle roller cleaning mechanism as claimed in claim 1, wherein a first limiting plane is disposed on the scraper shaft, a mounting hole for the scraper shaft to pass through is disposed on the scraper, and a second limiting plane attached to the first limiting plane is disposed at the mounting hole.
6. The air classifier needle roller cleaning mechanism as claimed in claim 1, wherein said rotary driving mechanism comprises a cylinder, a connecting rod, one end of said connecting rod is connected with said first end, and the other end of said connecting rod is rotatably connected with a piston rod of said cylinder; the air cylinder is perpendicular to the scraper shaft.
7. The air classifier needle roller cleaning mechanism as claimed in claim 6, wherein the rotary driving mechanism further comprises a limiting shaft for engaging with the connecting rod, and the limiting shaft is disposed above the connecting rod.
8. The air classifier needle roller cleaning mechanism as claimed in claim 6, wherein a radial threaded hole is formed on the outer circumferential surface of said first end, an annular connecting portion is formed on the end of said connecting rod for connecting with said first end, and a radial fixing hole corresponding to said radial threaded hole is formed on said annular connecting portion.
9. The air classifier needle roller cleaning mechanism of claim 8, further comprising an end cap abutting said annular connection, said end cap being attached to an end face of said first end.
10. The air classifier needle roller cleaning mechanism as claimed in any one of claims 1 to 9, wherein bearings are disposed in each of the first connection hole and the second connection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922013901.5U CN211353876U (en) | 2019-11-20 | 2019-11-20 | Winnowing machine needle roller cleaning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922013901.5U CN211353876U (en) | 2019-11-20 | 2019-11-20 | Winnowing machine needle roller cleaning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211353876U true CN211353876U (en) | 2020-08-28 |
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ID=72158955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922013901.5U Active CN211353876U (en) | 2019-11-20 | 2019-11-20 | Winnowing machine needle roller cleaning mechanism |
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| Country | Link |
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| CN (1) | CN211353876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110731532A (en) * | 2019-11-20 | 2020-01-31 | 河南中烟工业有限责任公司 | air separator needle roller cleaning mechanism |
| CN113414149A (en) * | 2021-05-08 | 2021-09-21 | 红塔烟草(集团)有限责任公司 | Cleaning device self-cleaning mechanism of impurity removing machine |
-
2019
- 2019-11-20 CN CN201922013901.5U patent/CN211353876U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110731532A (en) * | 2019-11-20 | 2020-01-31 | 河南中烟工业有限责任公司 | air separator needle roller cleaning mechanism |
| CN113414149A (en) * | 2021-05-08 | 2021-09-21 | 红塔烟草(集团)有限责任公司 | Cleaning device self-cleaning mechanism of impurity removing machine |
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