CN219129839U - Gangue classifying anti-blocking rotary screen - Google Patents
Gangue classifying anti-blocking rotary screen Download PDFInfo
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- CN219129839U CN219129839U CN202222526850.8U CN202222526850U CN219129839U CN 219129839 U CN219129839 U CN 219129839U CN 202222526850 U CN202222526850 U CN 202222526850U CN 219129839 U CN219129839 U CN 219129839U
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- longitudinal rod
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- vertical pole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
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Abstract
The utility model relates to the technical field of anti-blocking of a rotary screen, in particular to a coal gangue grading anti-blocking rotary screen. Including the cylinder, the cylinder comprises a plurality of annular distributed's longitudinal rod, and the both ends of longitudinal rod all are equipped with tip solid fixed ring, the longitudinal rod comprises fixed longitudinal rod and activity longitudinal rod, fixed longitudinal rod and activity longitudinal rod are crisscross to be set up, and fixed longitudinal rod is fixed in on the medial surface of tip solid fixed ring, be equipped with the movable mechanism on the tip of activity longitudinal rod with its connection on the tip solid fixed ring, movable mechanism includes the telescopic link with the vertical sliding connection of tip solid fixed ring, the one end fixed connection of telescopic link is on the tip of activity longitudinal rod, cup joints on the other end and has had spacing spring. The technical scheme is used for solving the problem that when the drum screen in the prior art is used for screening coal gangue, the coal gangue is easy to clamp between adjacent longitudinal rods, and the screening of the drum screen is influenced after long-term past.
Description
Technical Field
The utility model relates to the technical field of anti-blocking of a rotary screen, in particular to a coal gangue grading anti-blocking rotary screen.
Background
The trommel screen is a machine widely applied in the separation technology, and is used for controlling the separation of substances by controlling the particle size of particles, so that the separation precision is high. The cylinder of the drum screen is generally divided into a plurality of sections, and the screen holes are arranged from small to large according to the specific situation, and the aperture diameters of the screen holes on each section are the same. The rotary screen mainly comprises a motor, a speed reducer, a rotary device, a frame, a sealing cover and a feed inlet and a discharge outlet.
In the prior art, a roller of a roller screen is formed by a plurality of annular longitudinal rods, end fixing rings and middle fixing rings, wherein the end fixing rings and the middle fixing rings are arranged on the outer side, and the size of a screen hole can be formed and adjusted by adjusting the distance between adjacent middle fixing rings and the distance between the longitudinal rods of different roller parts, so that the specification of screening classification is adjusted. This kind of drum sieve is being used for gangue screening process, mainly has following problem, and partial gangue can block between adjacent longitudinal rod, needs artifical frequent clear up, can lead to the screening effect of drum sieve to receive the influence because after accumulating more.
Disclosure of Invention
Aiming at the defects of the technology, the utility model aims to provide a coal gangue grading anti-blocking rotary screen, which is used for solving the problem that when the rotary screen in the prior art is used for screening coal gangue, the coal gangue is clamped between adjacent longitudinal rods, and the screening effect of the rotary screen is affected.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a gangue classification prevents stifled rotary screen, includes the cylinder, the cylinder comprises a plurality of annular vertical poles that distribute, and the both ends of vertical pole all are equipped with the tip solid fixed ring, the vertical pole comprises fixed vertical pole and activity vertical pole, fixed vertical pole and activity vertical pole are crisscross to be set up, and fixed vertical pole is fixed on the medial surface of tip solid fixed ring, be equipped with the movable mechanism on the tip of activity vertical pole with its connection on the tip solid fixed ring, the movable mechanism includes the telescopic link with the vertical sliding connection of tip solid fixed ring, the one end fixed connection of telescopic link is on the tip of activity vertical pole, cup joints limit spring on the other end, limit spring's one end is fixed in on the surface of tip solid fixed ring, on the tip of telescopic link is fixed to the other end, limit spring is spacing in the medial surface of tip solid fixed ring under with the activity vertical pole normally, the movable mechanism still includes the mounting bracket, be equipped with the baffle that is used for extruding the movable mechanism on one end of mounting bracket, the baffle sets up in the cylinder top.
The working principle of the technical scheme is as follows:
when the cylinder rotates, the outside tip and the baffle contact of telescopic link on cylinder upper portion to press the telescopic link to remove, drive movable longitudinal rod promptly and remove, can discharge the gangue of card in adjacent longitudinal rod clearance, and rotate to the baffle rear side after, under limit spring's effect, make movable longitudinal rod reset fast, be convenient for move to the bottom and carry out screening work.
Further limited, the baffle is the arc, during the extrusion, the medial surface of arc acts on the outside tip of telescopic link, and its beneficial lies in, during the arc contact, the extrusion transition is steady.
Further limited, the spherical end is arranged on the outer side end part of the telescopic rod, and the telescopic rod has the advantages that the spherical end can play a role in guiding and stably transiting, and shaking when the roller rotates is reduced.
Further limited, the middle part of vertical pole is equipped with a plurality of middle part solid fixed ring, the medial surface of middle part solid fixed ring is connected with the medial surface of fixed vertical pole, and its advantage lies in, when length is longer, can promote the support and the fixed effect to the vertical pole.
Further limiting, the inner side face of the middle fixing ring in the middle of the movable longitudinal rod is provided with a limiting ring, and the movable longitudinal rod is located in the limiting ring.
Further limited, limit spring is compression state under the normal state, and its beneficial lies in, provides the pretightning force, is avoided being extruded when the screening of movable longitudinal rod and causes the position change, influences screening effect.
Further defined, the cross-sectional area of the longitudinal bar is circular, which is advantageous in that the contact resistance of the circular shape is small.
Further defined, still include the frame, be equipped with the bearing roller on the frame, the cylinder sets up on the bearing roller.
Further limited, be equipped with annular rack on the cylinder, annular rack's side is equipped with driving motor, driving motor is fixed in the frame, be equipped with drive gear on driving motor's the output, drive gear and annular rack meshing are connected.
In an implementation mode, the longitudinal rod comprises a plurality of sections, and the end part of each section is provided with a movable mechanism, which is beneficial to that the roller is formed by splicing a plurality of sections of longitudinal rods, so that the length of the roller can be increased or reduced at any time according to actual conditions, and the problem that the sagging amount of the middle part is large due to overlong length of the movable longitudinal rod is avoided.
The technical effects obtained by the technical scheme are as follows:
in this technical scheme divide into fixed longitudinal rod and activity longitudinal rod with the longitudinal rod, connect the activity longitudinal rod on the tip solid fixed ring through movable mechanism, and under the effect of dog, can realize the activity longitudinal rod and move the upper and lower activity when upper portion, can change the interval between the adjacent longitudinal rod, can discharge the gangue of card between adjacent longitudinal rod, avoided the jam of drum sieve time-out.
Drawings
FIG. 1 is a schematic perspective view of a trommel according to the present utility model;
FIG. 2 is a schematic front view of a trommel according to the present utility model;
FIG. 3 is a schematic left side view of a trommel according to the present utility model;
fig. 4 is a partially enlarged schematic view of the earth 3 at a.
The device comprises a frame 1, a carrier roller 2, a driving motor 3, a driving gear 4, an annular rack 5, a longitudinal rod 6, an end fixing ring 7, a middle fixing ring 8, a mounting frame 9, a baffle 10, a spherical end 11, a telescopic rod 12 and a limiting spring 13.
Detailed Description
The following is a further detailed description of the embodiments:
example 1
As shown in fig. 1, 3 and 4, a coal gangue classifying and anti-blocking rotary screen is provided, which needs to be described, and the rotary screen is a shaftless rotary screen in the technical scheme, and further comprises a frame 1, wherein a carrier roller 2 is arranged on the frame 1, and the rotary roller is arranged on the carrier roller 2. The roller is provided with an annular rack 5, the side surface of the annular rack 5 is provided with a driving motor 3, the driving motor 3 is fixed on the frame 1, the output end of the driving motor 3 is provided with a driving gear 4, and the driving gear 4 is meshed and connected with the annular rack 5.
In this technical scheme, the difference with prior art lies in, including the cylinder, the cylinder should incline to set up, be prior art, and the cylinder comprises a plurality of annular distributed longitudinal rod 6, and the both ends of longitudinal rod 6 all are equipped with tip solid fixed ring 7, longitudinal rod 6 includes fixed longitudinal rod and activity longitudinal rod group, fixed longitudinal rod and activity longitudinal rod crisscross setting, and fixed longitudinal rod is fixed in on the medial surface of tip solid fixed ring 7, be equipped with the movable mechanism on the tip of activity longitudinal rod with it is connected on tip solid fixed ring 7, movable mechanism includes the telescopic link 12 with the vertical sliding connection of tip solid fixed ring 7, the one end fixed connection of telescopic link 12 is on the tip of activity longitudinal rod, cup joint on the other end and be equipped with spacing spring 13, spacing spring 13's one end is fixed in on the surface of tip solid fixed ring 7, the other end is fixed in on the tip of telescopic link 12, spacing spring 13 is spacing on the medial surface of tip solid fixed ring 7 under the activity longitudinal rod is normal, movable mechanism still includes mounting bracket 9, be equipped with the baffle 10 that is used for extruding movable mechanism on one end of mounting bracket 9, baffle 10 sets up in the cylinder top.
The working principle of the technical scheme is as follows:
when the roller rotates, the outer end part of the telescopic rod 12 at the upper part of the roller is contacted with the baffle plate 10, so that the telescopic rod 12 is pressed to move, namely the movable longitudinal rod is driven to move, so that the coal gangue clamped in the gap between the adjacent longitudinal rods 6 can be discharged, and after the roller rotates to the rear side of the baffle plate, the movable longitudinal rod is quickly reset under the action of the limiting spring 13, and the roller is convenient to move to the bottom for screening.
Preferably, the baffle 10 is an arc-shaped plate, and when the baffle is extruded, the inner side surface of the arc-shaped plate acts on the outer side end part of the telescopic rod 12, and when the arc-shaped plate is contacted, the extrusion transition is stable. The outer end part of the telescopic rod 12 is provided with a spherical end head 11, and the spherical end head 11 can well play a role in guiding and stably transitional, so that shaking when the roller rotates is reduced. The middle part of vertical pole 6 is equipped with a plurality of middle part solid fixed ring 8, and the mode that vertical pole 6 and the setting of middle part solid fixed ring 8 formed the sieve mesh is prior art, does not do too much in this and repeating the description, and the medial surface of middle part solid fixed ring 8 is connected with the medial surface of fixed vertical pole, and when length is longer, can promote the support and the fixed effect to vertical pole 6.
It will be appreciated that the inner side of the middle fixing ring 8 located in the middle of the movable longitudinal rod is provided with a limiting ring, the movable longitudinal rod is located in the limiting ring, when the length is long, the gravity in the middle of the movable longitudinal rod is large, the problem of large sagging amount is easy to occur, and deformation is easy to cause in the long term, so that the limiting ring is arranged on the premise of not affecting the movement of the telescopic rod 12, the sagging amount of the middle part can be limited, and the supporting effect is provided. The limiting spring 13 is in a compressed state in a normal state, provides pretightening force, and avoids position change caused by extrusion during screening of the movable longitudinal rod, thereby influencing screening effect. The cross-sectional area of the longitudinal bar 6 is circular, the contact resistance of the circular shape is small, and the material of the longitudinal bar 6 is preferably steel.
Example 2
As shown in fig. 2, the difference between the embodiment 2 and the embodiment 1 is that the arrangement mode of the longitudinal rod 6 is different, specifically, the longitudinal rod 6 includes a plurality of sections, the end portion of each section is provided with a movable mechanism, the movable mechanism can be arranged on a middle fixing ring 8 or an end fixing ring 7 arranged at the end portion of each section, the end portions or the middle fixing rings 8 on two adjacent sections can be connected by bolts or other fasteners, the roller is similar to a roller formed by splicing a plurality of sections of longitudinal rods 6, the length of the roller can be increased or reduced at any time according to the actual situation, and the problem that the sagging amount of the middle portion is large due to the overlong length of the movable longitudinal rod can be avoided.
It should be noted in advance that, in the present utility model, unless explicitly specified and limited otherwise, terms such as "mounted," "connected," "fixed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (10)
1. The utility model provides a gangue classification prevents stifled rotary screen, includes the cylinder, the cylinder comprises a plurality of annular vertical poles that distribute, and the both ends of vertical pole all are equipped with tip solid fixed ring, its characterized in that, the vertical pole comprises fixed vertical pole and activity vertical pole, fixed vertical pole and activity vertical pole are crisscross to be set up, and fixed vertical pole is fixed in on the medial surface of tip solid fixed ring, be equipped with the movable mechanism on the tip of activity vertical pole with its connection on the tip solid fixed ring, the movable mechanism includes the telescopic link with the vertical sliding connection of tip solid fixed ring, the one end fixed connection of telescopic link is on the tip of activity vertical pole, cup joints on the other end and is equipped with spacing spring, spacing spring is fixed in on the surface of tip solid fixed ring on the tip of telescopic link on the other end, spacing spring is fixed in the medial surface of tip solid fixed ring under with activity vertical pole normality, the movable mechanism still includes the mounting bracket, be equipped with the baffle that is used for extruding movable mechanism on the tip of mounting bracket, the baffle sets up in the cylinder top.
2. The gangue classifying and anti-blocking rotary screen as claimed in claim 1, wherein the baffle is an arc-shaped plate, and the inner side surface of the arc-shaped plate acts on the outer side end part of the telescopic rod during extrusion.
3. The gangue graded anti-blocking rotary screen as claimed in claim 1, wherein the outer end of the telescopic rod is provided with a spherical end.
4. The gangue classifying and anti-blocking rotary screen as claimed in claim 1, wherein a plurality of middle fixing rings are arranged in the middle of the longitudinal rod, and the inner side surfaces of the middle fixing rings are connected with the inner side surfaces of the fixed longitudinal rod.
5. The gangue graded anti-blocking rotary screen as claimed in claim 4, wherein a limit ring is arranged on the inner side of the middle fixing ring positioned in the middle of the movable longitudinal rod, and the movable longitudinal rod is positioned in the limit ring.
6. The gangue graded anti-blocking rotary screen as claimed in claim 1, wherein the limiting spring is normally in a compressed state.
7. The gangue graded anti-blocking trommel as claimed in claim 1 wherein the cross-sectional area of the longitudinal bars is circular.
8. The gangue graded anti-blocking rotary screen as claimed in claim 1, further comprising a frame, wherein a carrier roller is arranged on the frame, and the rotary roller is arranged on the carrier roller.
9. The gangue graded anti-blocking rotary screen as claimed in claim 8, wherein the rotary drum is provided with an annular rack, a driving motor is arranged on the side face of the annular rack, the driving motor is fixed on the frame, a driving gear is arranged at the output end of the driving motor, and the driving gear is in meshed connection with the annular rack.
10. The gangue graded anti-blocking trommel as claimed in claim 1, wherein the longitudinal bar comprises a plurality of sections, and the end of each section is provided with a movable mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222526850.8U CN219129839U (en) | 2022-09-23 | 2022-09-23 | Gangue classifying anti-blocking rotary screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222526850.8U CN219129839U (en) | 2022-09-23 | 2022-09-23 | Gangue classifying anti-blocking rotary screen |
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| Publication Number | Publication Date |
|---|---|
| CN219129839U true CN219129839U (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222526850.8U Active CN219129839U (en) | 2022-09-23 | 2022-09-23 | Gangue classifying anti-blocking rotary screen |
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| CN (1) | CN219129839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116550590A (en) * | 2023-06-15 | 2023-08-08 | 行唐县几丁质红枣专业合作社 | Chitin red date screening device and method |
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2022
- 2022-09-23 CN CN202222526850.8U patent/CN219129839U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116550590A (en) * | 2023-06-15 | 2023-08-08 | 行唐县几丁质红枣专业合作社 | Chitin red date screening device and method |
| CN116550590B (en) * | 2023-06-15 | 2023-09-26 | 行唐县几丁质红枣专业合作社 | Chitin red date screening device and method |
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