CN107716269B - Drum-type separating screen - Google Patents
Drum-type separating screen Download PDFInfo
- Publication number
- CN107716269B CN107716269B CN201711027390.1A CN201711027390A CN107716269B CN 107716269 B CN107716269 B CN 107716269B CN 201711027390 A CN201711027390 A CN 201711027390A CN 107716269 B CN107716269 B CN 107716269B
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- bracket
- screen
- drum
- type
- roller
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- Expired - Fee Related
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- 230000008093 supporting effect Effects 0.000 claims abstract description 43
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- 239000004744 fabric Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000012216 screening Methods 0.000 description 4
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a drum-type separating screen, which comprises: a drum-type screen which is obliquely arranged at a certain angle with the horizontal plane; the driving wheel comprises a rotating shaft and a hub sleeved on the rotating shaft; the hub comprises a plurality of hub brackets; a follower wheel; one end of the cross beam is fixedly connected with a hub bracket, and the other end of the cross beam is fixedly connected with the driven wheel; the bracket is arranged in parallel with the rotating shaft of the driving wheel; the motor is arranged on the bracket and is fixedly connected with the bracket; the supporting plate is fixedly arranged opposite to the bracket at a certain included angle and is opposite to the bracket; the fixed support rod is fixedly arranged at one end of the bracket, which is close to the support plate; the support and the supporting plate clamp and fix the supporting rod; the adjustable heightening mechanism is arranged at one end, far away from each other, of the support and the support plate; one end of the adjustable heightening mechanism is connected with the bracket, and the other end of the adjustable heightening mechanism is connected with the supporting plate. The drum-type separating screen can avoid the deflection of the cross beam of the screen and can adjust the inclination angle of the output shaft of the motor.
Description
Technical Field
The invention relates to the technical field of separating screens, in particular to a drum-type separating screen.
Background
The screening sieve is a screening device for distinguishing solid particles according to particle sizes. The common separation sieve is to place the solid particles to be separated into a sieve net, vibrate the sieve net, utilize the gravity of the solid particles and control the mesh size of the sieve net to separate the solid particles according to a certain particle size. In industrial production, the vibrating type separating screen is widely applied, and industries such as ore separation, plastic granule manufacturing, building material separation, rice and flour concentration and the like apply the vibrating type separating screen in large quantity.
However, vibratory separating screens tend to have several problems: firstly, the vibrating type separating screen vibrates violently when working, so that larger noise is generated; secondly, the vibrating type separating screen has simple action, lower separating efficiency and easy blockage of the screen; and thirdly, after the vibration separation screening is finished, the solid particles with larger particle sizes intercepted by the screen are required to be specially collected.
In view of the above situation, a drum-type separating screen appears in the field of separating screens, and chinese patent specification CN203635470U discloses a rolling type tea leaf separating screen machine, which comprises a frame, a cylindrical screen mounted on the frame, a driving wheel and a driven wheel respectively arranged at two ends of the screen, the height of the driven wheel being greater than that of the driving wheel, a feed inlet arranged at the middle part of the driven wheel, the aperture of the screen gradually increasing from the end of the driven wheel to the end of the driving wheel, a collecting box mounted below the screen, the middle part of the top end of the collecting box being perforated along the axis, the perforated shape and size being matched with the screen, and the driven wheel mounted at the middle shaft at the. This divides screen (ing) machine adopts the screen cloth of roll formula to replace traditional vibrating sieve, has solved the reality problem that vibrating separation sieve exists well.
However, the rolling type tea sifting machine described above gradually exposes some problems in practical application: the crossbeam on the screen is repeatedly subjected to the centrifugal force action when the screen rotates for a long time, so that the crossbeam gradually deviates, the supporting action of the crossbeam on the screen is greatly reduced, and the flexible screen gradually deforms or sinks; in order to ensure the normal operation of the roller screen, the output shaft of the motor and the rotating shaft of the driving wheel should be always kept parallel, along with the abrasion of the rotating shaft of the driving wheel, the parallel state of the output shaft of the motor and the rotating shaft of the driving wheel gradually generates deviation, and the roller type tea leaf screening machine cannot adjust the inclination angle of the output shaft of the motor to keep balance with the rotating shaft of the driving wheel.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a drum-type separating screen which is simple and reasonable in structure, can prevent a screen cloth cross beam from deviating and can adjust the inclination angle of a motor output shaft.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a drum-type separating screen, comprising: a drum-type screen which is obliquely arranged at a certain angle with the horizontal plane; the driving wheel comprises a rotating shaft and a hub sleeved on the rotating shaft; the hub comprises a plurality of hub brackets; a follower wheel; one end of the cross beam is fixedly connected with one hub bracket, and the other end of the cross beam is fixedly connected with the follow-up wheel; the bracket is arranged in parallel with the rotating shaft of the driving wheel; the motor is arranged on the bracket and is fixedly connected with the bracket; the supporting plate is fixedly arranged opposite to the bracket at a certain included angle and is opposite to the bracket; the fixed supporting rod is fixedly arranged at one end of the bracket, which is close to the supporting plate; the bracket and the supporting plate clamp the fixed supporting rod; the adjustable heightening mechanism is arranged at one end, far away from each other, of the support frame and the support plate; one end of the adjustable heightening mechanism is connected with the support, and the other end of the adjustable heightening mechanism is connected with the supporting plate. One end of the cross beam is fixedly connected with one hub support, the other end of the cross beam is fixedly connected with the follow-up wheel, the hub support is a part of the hub, the cross beam and the hub synchronously move and form a whole, the overall stability is greatly enhanced, and the offset phenomenon is not easy to occur. The fixed supporting rod is used as a fulcrum of the support, and the adjustable heightening mechanism can enable the support to turn around the fixed supporting rod as the fulcrum, so that an included angle between the support and the supporting plate is changed, the inclination angle of an output shaft of the motor is changed to adapt to a rotating shaft of the driving wheel, and the normal operation of the drum-type sorting screen is guaranteed.
As a specific example, the cross member is integrally formed with the hub bracket. The integrally formed structure is easy to produce and manufacture and has excellent mechanical strength.
As a specific embodiment, the adjustable elevating mechanism comprises: one end of the screw rod penetrates through the supporting plate, and the other end of the screw rod penetrates through the bracket; the fixing nut is matched with the screw rod and arranged on one side of the bracket far away from the supporting plate; and the plurality of heightening nuts are matched with the screw rods and are arranged between the supporting plate and the bracket. The position of the bracket on the screw rod can be adjusted and fixed by adjusting the position of the heightening nut on the screw rod, meanwhile, because the supporting plate is fixedly arranged and the fixed supporting rod is fixedly arranged, the height of the end, far away from the supporting plate, of the bracket can be adjusted, and further the inclination angle of the motor can be adjusted.
As a specific embodiment, the lower end of the drum-type screen is connected with a first receiving hopper. The first receiving hopper is used for receiving larger-particle materials sorted out from the drum-type screen. Larger particulate material is not screened out of the drum screen and moves from the higher end of the drum screen to the lower end until falling into the first receiving hopper from the opening of the lower end of the drum screen.
As a specific embodiment, a second receiving hopper is arranged below the drum-type screen; the bottom end of the second material receiving hopper is connected with a guide pipe which is obliquely arranged with the horizontal plane. The second receiving hopper is used for receiving the smaller granular materials sorted from the drum-type screen, and the guide pipe is obliquely arranged and automatically guides and conveys the materials in the second receiving hopper to a preset area.
As a specific embodiment, the drum-type separating screen also comprises a frame for placing the drum-type screen; the bottom end of the frame is connected with a fixed support seat. The frame supports the drum-type screen, and the fixed support base supports the frame.
Further, fixed supporting seat is including: a bolt; the support sheet is sleeved on the bolt and fixedly connected with the bolt; and a screw hole matched with the bolt is formed in the bottom end surface of the rack. The supporting sheet is used as a supporting leg, and the height of each direction of the rack can be easily adjusted through the matching of the bolt and the screw hole, so that the overall balance and stability of the drum-type separating screen can be conveniently coordinated.
As a specific embodiment, the supporting sheet is provided with a strip-shaped fixing hole. The strip-shaped fixing holes can be fixed by matching with screws and can be used for being fixed on supports such as iron frames. The disassembly and the assembly are very convenient.
As a specific embodiment, a baffle is arranged above the drum-type screen. The baffle can prevent dust from falling onto the drum-type screen, polluting the drum-type screen, or blocking the drum-type screen.
As a specific example, the higher end of the drum screen is connected with a closing cover; the closing cap is connected with a feed hopper. The closing cap not only can avoid debris to fall into in the drum-type screen cloth, can also prevent that the material from being thrown away from in the drum-type screen cloth. The feed hopper is communicated and connected with the closed cover and used for feeding materials.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of an overall perspective structure of a drum-type separating screen according to an embodiment of the present invention;
FIG. 2 is a front view of a drum screen according to an embodiment of the present invention;
FIG. 3 is a side view of a drum screen according to an embodiment of the present invention;
FIG. 4 is an enlarged structural view of a drum separator screen of the embodiment of the present invention at A in FIG. 2;
fig. 5 is an enlarged structural view of a drum type sorting screen at B in fig. 1 according to an embodiment of the present invention.
Reference numerals
1- -Drum Screen 110- -Collar 120- -Beam 2- -drive wheel
210-rotating shaft 220-hub 221-hub bracket 3-follower wheel
4-support 5-motor 6-support plate 7-fixed support rod
8-protective baffle 9-delivery pipe 10-first receiving hopper 11-delivery pipe cover
12-fixed support seat 12A-support piece 12B-bolt 12C-strip-shaped fixed hole
13-guide tube 14-frame 15-second receiving hopper 16-feed hopper
17-closing cap 18-screw 19-fixing nut 20-raising nut
21-pulley 22-pulley support 23-side branch pipe 24-baffle
Detailed Description
Referring to fig. 1-3, a roller type separating screen includes: a frame 14, wherein the frame 14 is provided with a drum-type screen 1, and the drum-type screen 1 is obliquely arranged at a certain angle with the horizontal plane; the driving wheel 2 comprises a rotating shaft 210 and a hub 220 sleeved on the rotating shaft 210; the hub 220 comprises a plurality of hub brackets 210; the follow-up wheel 3, in order to reduce the resistance that the follow-up wheel 3 runs, connect with the pulley support 22 on the framework 14, connect with the pulley 21 on the pulley support 22, the follow-up wheel 3 is set up on the pulley 21; a cross beam 120, one end of which is fixedly connected with a hub bracket 4 and the other end of which is fixedly connected with a driven wheel 3; a bracket 4 disposed in parallel with the rotation shaft 210 of the driving wheel 2; the motor 5 is arranged on the bracket 4 and fixedly connected with the bracket 4, the motor 5 drives the driving wheel 2 to run through a transmission belt, and a protective baffle 8 is arranged around the transmission belt for safety; the supporting plate 6 is fixedly arranged opposite to the bracket 4 at a certain included angle and is opposite to the bracket 4; a fixed support rod 7 fixedly arranged at one end of the bracket 4 and the support plate 6 close to each other; the support 4 and the support plate 6 clamp and fix the support rod 7; the adjustable heightening mechanism is arranged at one end, far away from each other, of the support frame 4 and the support plate 6; one end of the adjustable heightening mechanism is connected with the support 4, and the other end of the adjustable heightening mechanism is connected with the support plate 6.
One end of the cross beam 120 is fixedly connected with a hub bracket 4, the other end of the cross beam is fixedly connected with the driven wheel 3, meanwhile, the hub bracket 221 is a part of the hub 220, the cross beam 120 and the hub 220 synchronously move and form a whole, the overall stability is greatly enhanced, and the offset phenomenon is not easy to occur. Therefore, it is preferable that the cross member 120 is integrally formed with the hub bracket 221, and the cross member 120 is formed by bending the entire sheet of the hub bracket 221. The fixed support rod 7 is used as a pivot of the support 4, and the adjustable heightening mechanism can turn the support 4 around the fixed support rod 7 as the pivot, so that an included angle between the support 4 and the support plate 6 is changed, the inclination angle of an output shaft of the motor 5 is changed to adapt to the rotating shaft 210 of the driving wheel 2, and the normal operation of the drum-type sorting screen is ensured.
In order to further stabilize the cross member 120, a hoop 110 is circumferentially provided on the drum type screen cloth 1, and the hoop 110 tightly ties the cross member 120.
In order to prevent foreign materials such as external dust from falling into the drum type screen mesh 1 or blocking the mesh of the drum type screen mesh 1, a baffle plate 24 is installed on the frame 14, and the baffle plate 24 covers the upper side of the drum type screen mesh 1. Of course, the baffle 24 can also be designed as a U-shaped structure with bent edges to protect the drum screen 1 from above and from both sides. In order to better observe the operation condition of the roller screen 1 and the condition of the materials in the roller screen 1, the baffle 24 may be made of transparent materials such as glass or transparent plastics which are beneficial to observation.
The higher one end of drum-type screen cloth 1 is the feed inlet, and the feed inlet is provided with closing cap 17, and closing cap 17 can prevent that the material from being thrown away from the feed inlet, also can prevent that external debris from falling into the feed inlet. A feed hopper 16 is connected to the closing cover 17 in a communicating manner, and the feed hopper 16 serves as a feed inlet.
The lower end of the roller screen 1 is a discharge port for the larger particles, and after the materials are sieved in the roller screen 1, the larger particles move to the lower end along the higher end of the obliquely arranged roller screen 1 until reaching the port at the lower end of the roller screen 1. A first receiving hopper 10 is connected to the lower end of the drum screen 1 for receiving the large-sized material sieved from the drum screen 1. The delivery pipe 9 can be further arranged in the first receiving hopper 10, and the material in the first receiving hopper 10 can be conveyed to a preset area through the delivery pipe 9 without disassembling the first receiving hopper 10.
A second receiving hopper 15 is arranged below the roller separating screen 1, and the second receiving hopper 15 is used for receiving the materials screened out from the roller separating screen 1. A guide pipe 13 which is obliquely arranged with the horizontal plane is connected below the second receiving hopper 15, and the materials can be automatically guided to a preset area by the guide pipe 13. For better transport of the material in the second receiving hopper 15, the second receiving hopper 15 is preferably funnel-shaped. The side of the guide pipe 13 can also be communicated with a side branch pipe 23, so that the material conveying direction can be more selected.
Wherein, the function of the above-mentioned adjustable bed hedgehopping mechanism is to set up between the end that the support 4 and backup pad 6 are kept away from each other, changes the distance between the end that the support 4 and backup pad 6 are kept away from each other to change the contained angle between support 4 and the backup pad 6, and then change the inclination of the output shaft of motor 5, so that the pivot 210 of adaptation drive wheel 2.
Referring to fig. 4, as a preferred embodiment, the adjustable elevating mechanism includes: one end of the screw rod 18 is arranged on the support plate 6 in a penetrating way, and the other end of the screw rod is arranged on the bracket 4 in a penetrating way; a fixing nut 19 cooperating with the screw 18 and arranged on the side of the bracket 4 remote from the support plate 6; a plurality of raising nuts 20, which cooperate with the threaded rods 18, are arranged between the support plate 6 and the support 4. By adjusting the position of the raising nut 20 on the screw 18 and fixing it with the fixing nut 19, the distance between the end of the bracket 4 and the end of the support plate 6 remote from each other can be changed, thereby changing the inclination angle of the output shaft of the motor 5.
Of course, a general alternative to the above described embodiment is readily conceivable to a person skilled in the art. For example, a telescopic device is provided between the support 4 and the end of the support plate 6 remote from each other or the raising nut 20 is replaced by a compression spring. Such alternatives and modifications are intended to be within the scope of the present patent technology.
As shown in fig. 4, the fixed support rod 7 is clamped between the bracket 4 and the support plate 6 at the end where the bracket 4 and the support plate 6 are close to each other, and since the motor 5 is connected to the rotating shaft 210 of the driving wheel 2 through a transmission belt, the bracket 4 can be ensured to be pressed against the fixed support rod 7. When adjusting the contained angle with backup pad 6 for support 4, support 4 and backup pad 6 are more firm with fixed stay bar 7, and the slope is designed for to the preferred one end of support 4 and backup pad 6 and fixed stay bar 7 contact, and the slope is including surfacing or be concave arc's the condition, and the slope is better with fixed stay bar 7's mutual adaptability, does benefit to the firm and smooth and easy of support 4 around the upset of fixed stay bar 7.
Referring to fig. 1, a fixed support base 12 is connected to a bottom end of the frame 14 for supporting the frame 14. Referring to fig. 5, the fixed support 12 includes: a bolt 12B; the support sheet 12A is sleeved on the bolt 12B and fixedly connected with the bolt 12A, and the support sheet 12A is provided with a strip-shaped fixing hole 12C; the bottom end face of the frame 14 is provided with a screw hole matched with the bolt 12B. The height of the frame 14 in this orientation can be changed by screwing the bolt 12B in or out of the threaded hole on the bottom end face of the frame 14, and the overall smoothness of the drum-type sorting screen is easily adjusted. The strip-shaped fixing hole 12C can be fixed by combining a screw or a pin. As shown in fig. 5, the supporting plate 12A is preferably designed to be in a drop shape, the bolt 12A penetrates through the supporting plate 12A, the supporting plate 12A is fixed on the bolt 12A by pressing with a nut, the nut is loosened, and the direction of the supporting plate 12A can be rotated, so that the roller-type sorting screen is suitable for various application environments.
The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (10)
1. A roller-type separating screen, comprising:
a drum-type screen which is obliquely arranged at a certain angle with the horizontal plane;
the driving wheel comprises a rotating shaft and a hub sleeved on the rotating shaft;
the hub comprises a plurality of hub brackets;
a follower wheel;
one end of the cross beam is fixedly connected with one hub bracket, and the other end of the cross beam is fixedly connected with the follow-up wheel;
the bracket is arranged in parallel with the rotating shaft of the driving wheel;
the motor is arranged on the bracket and is fixedly connected with the bracket;
the supporting plate is fixedly arranged opposite to the bracket at a certain included angle and is opposite to the bracket;
the fixed supporting rod is fixedly arranged at one end of the bracket, which is close to the supporting plate;
the bracket and the supporting plate clamp the fixed supporting rod;
wherein the bracket and/or the supporting plate is in contact with the fixed supporting rod through an arc-shaped surface;
the adjustable heightening mechanism is arranged at one end, far away from each other, of the support frame and the support plate;
one end of the adjustable heightening mechanism is connected with the support, and the other end of the adjustable heightening mechanism is connected with the supporting plate.
2. The roller-type sorting screen of claim 1, wherein:
the cross beam and the hub bracket are integrally formed.
3. The roller-type sorting screen of claim 1, wherein:
the adjustable heightening mechanism comprises:
one end of the screw rod penetrates through the supporting plate, and the other end of the screw rod penetrates through the bracket;
the fixing nut is matched with the screw rod and arranged on one side of the bracket far away from the supporting plate;
and the plurality of heightening nuts are matched with the screw rods and are arranged between the supporting plate and the bracket.
4. The roller-type sorting screen of claim 1, wherein:
the lower end of the drum-type screen is connected with a first receiving hopper.
5. The roller-type sorting screen of claim 1, wherein:
a second receiving hopper is arranged below the drum-type screen;
the bottom end of the second material receiving hopper is connected with a guide pipe which is obliquely arranged with the horizontal plane.
6. The roller-type sorting screen of claim 1, wherein:
the drum-type separating screen also comprises a frame for arranging the drum-type screen;
the bottom end of the frame is connected with a fixed support seat.
7. The roller-type sorting screen of claim 6, wherein:
fixed supporting seat is including:
a bolt;
the support sheet is sleeved on the bolt and fixedly connected with the bolt;
and a screw hole matched with the bolt is formed in the bottom end surface of the rack.
8. The roller-type sorting screen of claim 7, wherein:
the supporting sheet is provided with a strip-shaped fixing hole.
9. The roller-type sorting screen of claim 1, wherein:
and a baffle is arranged above the drum-type screen.
10. The roller-type sorting screen of claim 1, wherein:
the higher end of the drum-type screen is connected with a sealing cover;
the closing cap is connected with a feed hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711027390.1A CN107716269B (en) | 2017-10-27 | 2017-10-27 | Drum-type separating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711027390.1A CN107716269B (en) | 2017-10-27 | 2017-10-27 | Drum-type separating screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107716269A CN107716269A (en) | 2018-02-23 |
| CN107716269B true CN107716269B (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711027390.1A Expired - Fee Related CN107716269B (en) | 2017-10-27 | 2017-10-27 | Drum-type separating screen |
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| Country | Link |
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| CN (1) | CN107716269B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680472B (en) * | 2018-04-24 | 2024-07-16 | 佛山市汇创科技有限公司 | Intelligent powder granularity detection device |
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|---|---|---|---|---|
| DE202004012195U1 (en) * | 2004-08-03 | 2004-10-14 | Kainz, Gerald | Rotary screening machine has motor driven rotary base plate supporting foot plate with adjusters for sliding and tilting and sieve panel |
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| CN206356229U (en) * | 2016-11-08 | 2017-07-28 | 深圳市鸿生建材有限公司 | A kind of aggregate separated machine |
| CN206316012U (en) * | 2016-12-10 | 2017-07-11 | 全永强 | A kind of construction sandy soil screening device |
| CN206392375U (en) * | 2016-12-29 | 2017-08-11 | 广东南字科技股份有限公司 | Icing Sugar roto-siofter with the clear net function of automatic rapping |
| CN207546958U (en) * | 2017-10-27 | 2018-06-29 | 佛山科学技术学院 | A kind of drum-type separating sieve |
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| CN107716269A (en) | 2018-02-23 |
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