CN201189516Y - Screening mechanism of screening machine - Google Patents
Screening mechanism of screening machine Download PDFInfo
- Publication number
- CN201189516Y CN201189516Y CNU2008200355969U CN200820035596U CN201189516Y CN 201189516 Y CN201189516 Y CN 201189516Y CN U2008200355969 U CNU2008200355969 U CN U2008200355969U CN 200820035596 U CN200820035596 U CN 200820035596U CN 201189516 Y CN201189516 Y CN 201189516Y
- Authority
- CN
- China
- Prior art keywords
- screen drum
- sieving
- sliding bar
- support set
- roller shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a sieving mechanism of a sieving machine in the field of the sieving machinery. A sieving cylinder is arranged in a shell; a feed port is arranged on the shell at one end of the sieving cylinder; the sieving cylinder is provided with a rotor; the outside of the shell at one end of the feed port is provided with at least three sets of positioning devices; each set of the positioning device comprises a connecting plate relatively fixed with the shell, a supporting sleeve fixed on the connecting plate, a sliding lever in the supporting sleeve, a roller shaft fixed with the sliding lever, a roller arranged at the end part of the roller shaft and an adjustment mechanism for adjusting the position of the sliding lever; the rollers of the positioning devices are evenly distributed on the edge of the inner side at one end of the feed port of the sieving cylinder and radially support the sieving cylinder along the sieving cylinder; the side of the supporting sleeve is provided with an opening; the roller shaft runs through the opening; a clearance is reserved between the upper edge and the lower edge of the opening and the roller shaft; the other end of the sieving cylinder far from the feed port is arranged on a mainshaft of the rotor by a bearing of the sieving cylinder; and the other end of the sieving cylinder is also provided with a transmission wheel. In operation, as the sieving cylinder continuously rotates, the sieving mechanism improves the sieving efficiency and can be applied to the industries of foodgrain, flour, feed and the like.
Description
Technical field
The utility model relates to the powder screening plant in grain, flour, the feedstuff industry, particularly screening mechanism in the powder sieving machine.
Background technology
The powder screening plant that uses in existing grain, flour, the feedstuff industry, comprise casing, the rotor that is provided with in the casing, the transmission system that is connected with rotor, casing internal rotor periphery is provided with fixed cylindrical shape screen drum, and described rotor comprises main shaft, be arranged on support on the main shaft, be fixedly connected with support and re-pack.During work, rotor is fast rotational under the driving of its transmission system, and powder is entered in the screen drum by the end of charging aperture from casing, and under the tooth-like effect that re-packs on the support, powder is by outside mobile to screen drum in the screen drum.But because screen drum maintains static, powder is not easy to pass screen cloth, causes local buildup easily, and the buildup on the inwall of screen drum can be long-pending more serious more, and the sieve aperture on the screen drum stops up fully the most at last.Therefore, the screening effect of this screening plant is undesirable, can not normal discharging from screen drum than the powder of multiple coincidence fineness requirement because the probability that sieves is low, thus had a strong impact on screening efficiency.
The utility model content
The utility model provides a kind of screening mechanism of sieving machine, makes to be difficult for buildup in the screen drum, can improve the screening efficiency of screen drum.
The utility model is achieved in that and comprises columnar screen drum, screen drum is arranged in the casing, the casing of screen drum one end is provided with charging aperture, be provided with rotor in the screen drum, the casing outside that is positioned at charging aperture one end is provided with at least three cover positioners, every cover positioner comprises and the relatively-stationary connecting plate of casing, the support set of fixing on the connecting plate, cooperate the sliding bar that is installed in the support set, the roller shaft that fixes with sliding bar, the roller shaft end is through the roller of roller bearing installation and the guiding mechanism of adjusting the sliding bar position, the roller of positioner is distributed on the inside edge of screen drum charging aperture one end and along screen drum radial support screen drum, the support set side is provided with opening, roller shaft passes described opening, leaves the gap between the last lower limb of opening and the roller shaft; The other end away from charging aperture on the screen drum is installed in through the screen drum bearing on the main shaft of rotor, and the other end away from charging aperture on the described screen drum also is provided with drive.
During the utility model work, can concern by the position that guiding mechanism changes between support set and the sliding bar, screen drum is in position supported, by drive input power screen drum can be rotated when working, make the buildup in the screen drum constantly be changed the position, to reach the good effect of sieving, improve screening efficiency.Compared with prior art, the utility model can adapt to the material processing of multiple class, and its screening efficiency height can be applicable in the industries such as grain, flour, feed.
Guiding mechanism is used to adjust the axial location relation between support set and the sliding bar, to reach the purpose that supports screen drum, guiding mechanism can have following two kinds of technical schemes, one: described guiding mechanism comprises axial location and the circumferential rotating adjustment screw that is provided with on the end cap, end cap of any end setting of support set, the sliding bar center is provided with screwed hole, and adjustment screw is threaded with described screwed hole.Rotate adjustment screw and can spur sliding bar, realize position adjustment along the support set axially-movable.Its two: described guiding mechanism comprises the location-plate that is fixed on the connecting plate and is positioned at support set two outsides, the dog screw that has been threaded respectively on the location-plate, dog screw from the sliding bar two end axles to conflicting on sliding bar.Unclamp the dog screw of an end, the dog screw of the tight other end can change the axial location between sliding bar and the support set.
For ease of will positioning between sliding bar and the support set, the described support set side holding screw that has been threaded, described holding screw passes support set and conflicts in the sliding bar side.Unclamp holding screw, can adjust the sliding bar position,, can tighten holding screw, make and realize the location between sliding bar and the support set when sliding bar is adjusted to correct position.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is a kind of structural representation of positioner.
Fig. 3 unloads the utility model partial structurtes schematic diagram of lower rotor part.
Fig. 4, the A of Fig. 3 is to view.
Fig. 5, another structural representation of positioner.
Among the figure, 1 bottom end cover, 2 roller shafts, 3 sliding bars, 4 holding screws, 5 upper end covers, 6 adjustment screw, 7 connecting plates, 8 support sets, 9 openings, 10 roller bearings, 11 rollers, 12 casings, 13 screen drums, 14 location-plates, 15 dog screws, 16 charging apertures, 17 main shafts, 18 screen drum bearings, 19 drives.
The specific embodiment
It is as follows to set forth the utility model structure in conjunction with the accompanying drawings:
As Fig. 1-4, screening mechanism for a kind of sieving machine, comprise columnar screen drum 13, screen drum 13 is arranged in the casing, the casing 12 of screen drum 13 1 ends is provided with charging aperture 16, be provided with rotor in the screen drum 13, casing 12 outsides that are positioned at charging aperture 16 1 ends on the screen drum 13 are provided with three cover positioners, every cover positioner by with casing 12 relatively-stationary connecting plates 7, the support set of fixing on the connecting plate 78, cooperate the sliding bar 3 that is installed in the support set 8, the roller shaft 2 that fixes with sliding bar 3, roller shaft 2 ends are through the roller 11 of roller bearing 10 installations and the guiding mechanism of adjusting sliding bar 3 positions, roller 11 is distributed on screen drum 13 inside edges of charging aperture one end and along screen drum radial support screen drum 13, support set 8 sides are provided with opening 9, roller shaft 2 passes described opening 9, leaving the gap between the last lower limb of opening 9 and the roller shaft 2 can move roller shaft 2 along the axial direction of support set 8, this opening 9 can be a straight trough, the hole bigger than roller shaft 2 that also can be diameter; The other end away from charging aperture on the screen drum 13 is installed in through screen drum bearing 18 on the main shaft 17 of rotor, should also be provided with drive 19 away from the other end of charging aperture and be used to import power, orders about screen drum and rotates.Be equipped with end cap at support set 8 two ends, corresponding to Fig. 2, be respectively upper end cover 5 and bottom end cover 1, described guiding mechanism comprises axial location and the circumferential rotating adjustment screw 6 that is provided with on the end cap, end cap of support set 8 any end settings, in Fig. 2, adjustment screw 6 is set on the upper end cover 5, and sliding bar 3 centers are provided with screwed hole, and adjustment screw 6 is threaded with described screwed hole; The support set 8 sides holding screw 4 that has been threaded, holding screw 4 pass support set 8 and conflict in sliding bar 3 sides.
During use, by rotating adjusting screw(rod), change the position relation between support set 8 and the sliding bar 3, make charging aperture one end on the screen drum 13 obtain excellent support, can also circumferentially freely rotate simultaneously, drive can be a belt wheel, also can be gear,, drive screen drum and rotate by drive input power, to reach the good effect of sieving, improve screening efficiency.
As Fig. 1 and 5, screening mechanism for another sieving machine, comprise columnar screen drum 13, screen drum 13 is arranged in the casing, the casing 12 of screen drum 13 1 ends is provided with charging aperture 16, be provided with rotor in the screen drum 13, casing 12 outsides that are positioned at charging aperture 16 1 ends on the screen drum 13 are provided with three cover positioners, every cover positioner by with casing 12 relatively-stationary connecting plates 7, the support set of fixing on the connecting plate 78, cooperate the sliding bar 3 that is installed in the support set 8, the roller shaft 2 that fixes with sliding bar 3, roller shaft 2 ends are through the roller 11 of roller bearing 10 installations and the guiding mechanism of adjusting sliding bar 3 positions, roller 11 is distributed on screen drum 13 inside edges of charging aperture one end and along screen drum radial support screen drum 13, support set 8 sides are provided with opening 9, roller shaft 2 passes described opening 9, leaves the gap between the last lower limb of opening 9 and the roller shaft 2; The other end away from charging aperture on the screen drum 13 is installed in through screen drum bearing 18 on the main shaft 17 of rotor, should also be provided with drive 19 away from the other end of charging aperture.Described guiding mechanism comprises the location-plate 14 that is fixed on the connecting plate 7 and is positioned at 8 liang of outsides of support set, the dog screw 15 that has been threaded respectively on the location-plate 14, dog screw 15 from sliding bar 3 two end axles to conflicting on sliding bar 3.
By rotating the positioning screw at two ends, also can change the position relation between support set 8 and the sliding bar 3, to support screen drum, when screen drum rotates, buildup is constantly moved, promote discharging.
The utility model is not limited to the foregoing description, and described positioner can be the above many arbitrarily covers of three covers.
Claims (4)
1, a kind of screening mechanism of sieving machine, comprise columnar screen drum, screen drum is arranged in the casing, the casing of screen drum one end is provided with charging aperture, be provided with rotor in the screen drum, it is characterized in that the casing outside that is positioned at charging aperture one end is provided with at least three cover positioners, every cover positioner comprises and the relatively-stationary connecting plate of casing, the support set of fixing on the connecting plate, cooperate the sliding bar that is installed in the support set, the roller shaft that fixes with sliding bar, the roller shaft end is through the roller of roller bearing installation and the guiding mechanism of adjusting the sliding bar position, the roller of positioner is distributed on the inside edge of screen drum charging aperture one end and along screen drum radial support screen drum, the support set side is provided with opening, roller shaft passes described opening, leaves the gap between the last lower limb of opening and the roller shaft; The other end away from charging aperture on the screen drum is installed in through the screen drum bearing on the main shaft of rotor, and the other end away from charging aperture on the described screen drum also is provided with drive.
2, the screening mechanism of sieving machine according to claim 1, it is characterized in that described guiding mechanism comprises axial location and the circumferential rotating adjustment screw that is provided with on the end cap, end cap of any end setting of support set, the sliding bar center is provided with screwed hole, and adjustment screw is threaded with described screwed hole.
3, the screening mechanism of sieving machine according to claim 1, it is characterized in that described guiding mechanism comprises the location-plate that is fixed on the connecting plate and is positioned at support set two outsides, the dog screw that has been threaded respectively on the location-plate, dog screw from the sliding bar two end axles to conflicting on sliding bar.
4, according to the screening mechanism of each described sieving machine of claim 1-3, it is characterized in that the described support set side holding screw that has been threaded, described holding screw passes support set and conflicts in the sliding bar side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200355969U CN201189516Y (en) | 2008-04-25 | 2008-04-25 | Screening mechanism of screening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200355969U CN201189516Y (en) | 2008-04-25 | 2008-04-25 | Screening mechanism of screening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201189516Y true CN201189516Y (en) | 2009-02-04 |
Family
ID=40333669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200355969U Expired - Lifetime CN201189516Y (en) | 2008-04-25 | 2008-04-25 | Screening mechanism of screening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201189516Y (en) |
-
2008
- 2008-04-25 CN CNU2008200355969U patent/CN201189516Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090204 |
|
| CX01 | Expiry of patent term |