CN215430068U - Different surface sieve - Google Patents
Different surface sieve Download PDFInfo
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- CN215430068U CN215430068U CN202121087021.3U CN202121087021U CN215430068U CN 215430068 U CN215430068 U CN 215430068U CN 202121087021 U CN202121087021 U CN 202121087021U CN 215430068 U CN215430068 U CN 215430068U
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- screen
- screen frame
- belt pulley
- plate
- sieve
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- 229920002635 polyurethane Polymers 0.000 claims abstract description 20
- 239000004814 polyurethane Substances 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims description 14
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 238000012216 screening Methods 0.000 abstract description 39
- 239000000463 material Substances 0.000 abstract description 27
- 230000033001 locomotion Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000005284 excitation Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
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- 229920001971 elastomer Polymers 0.000 description 4
- 238000007873 sieving Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses a high-throughput fine material deep screening device, namely a special-surface screen, which mainly comprises an inner screen frame, an outer screen frame, a roller screen surface, a relaxation screen surface, a crankshaft transmission device, a driving device, a belt pulley group and a supporting device. When the device works, the driving device drives the belt pulley group and the crankshaft transmission device to rotate, and the crankshaft rotation device drives the roller screen surface and the relaxation screen surface to move. A large amount of fine materials are quickly spread and screened through the roller screen surface, so that the purpose of high throughput is achieved, oversize products which do not complete screening through are stably fed into the flip-open screen surface under the conveying of the roller screen surface, the materials are loosened, layered and screened through the flip-open motion of the flip-open screen surface, the fine materials are deeply screened, and meanwhile, the influence of feeding impact on the service life of the flexible polyurethane screen plate is reduced. The method has the advantages of large treatment capacity, good screening effect and long service life of the different-surface screen.
Description
Technical Field
The utility model belongs to the field of screening machinery, and particularly provides mechanical equipment with high treatment capacity and suitable for deep screening of fine-grained materials.
Background
The deep screening of fine-grained materials is a difficult problem to be solved urgently in the screening industry, and the appearance of the flip-flow screen makes the difficult problem have breakthrough development, but in the actual screening process, a flexible polyurethane screen plate adopted by the flip-flow screen is relatively sensitive to the influence of treatment capacity and feeding impact, so that the service life of the polyurethane screen plate and the smaller treatment capacity of the flip-flow screen plate become key factors which restrict the production cost and the screening effect. Roller screen is a screening equipment that uses probability screening as the principle, and this equipment has extensive application prospect in the screening field because of its higher handling capacity, however, roller screen is at the in-service use in-process, and is poor to the sieve effect of sieving difficult sieve granule, for the guarantee screening efficiency, often need increase sifting length, extension screening time, just can make the material fully pass through the sieve, however, sifting length increases, and the material mismatching rate also greatly increased. Therefore, in the actual production process, the roller screen has a high mismatch content.
At present, screening equipment with high treatment capacity and high screening efficiency tends to be developed by the industry, and aiming at the phenomenon, the applicant researches out a fine particle material deep screening equipment with high treatment capacity, namely a different-surface screen, and the equipment has the advantages of high treatment capacity, high screening efficiency, low mismatch rate and long service life.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide novel screening equipment, which solves the problems of low screening efficiency, small treatment capacity and high maintenance cost of fine materials in the prior art. The structure form, the screen surface composition and the material movement of the device are different from those of any existing screening device. Has the advantages of large treatment capacity, high screening efficiency, low mismatching rate and long service life.
In order to achieve the purpose, the utility model provides the following scheme:
the utility model provides a high-throughput fine material deep screening device, namely a special-surface screen, which mainly comprises an inner screen frame, an outer screen frame, a roller screen surface, a relaxation screen surface, a crankshaft transmission device, a driving device, a belt pulley group and a supporting device. The roller bearing sifter is installed between two inner screen frame side plates of the inner screen frame, one end of the relaxation sifter is installed on an inner screen frame cross beam of the inner screen frame, the other end of the relaxation sifter is installed on an outer screen frame cross beam of the outer screen frame, the crankshaft transmission device is installed on the inner screen frame, the driving device is alternately installed on two sides of the outer screen frame, the roller bearing sifter and the relaxation sifter are arranged front and back to form a complete sifter of the whole screening machine, and the inner screen frame is installed on the supporting device.
Preferably, interior reel includes interior reel curb plate, side liner, interior reel crossbeam, pan feeding guide plate, ejection of compact guide plate, clamp plate, cable suspension device. The curb plate by interior reel crossbeam is connected, the side liner board is installed on the interior reel curb plate, the pan feeding guide plate with ejection of compact guide plate is installed respectively both ends around the interior reel curb plate, the clamp plate is installed on the side liner board, cable suspension device one end is installed on the interior reel curb plate.
Preferably, the outer screen frame comprises outer screen frame side plates and outer screen frame cross beams. The outer screen frame side plate is connected with the outer screen frame cross beam, and the outer screen frame side plate is installed at the other end of the hanging device.
Preferably, the roller screening surface comprises a screening shaft, a screening shaft bearing seat, an involute tooth-shaped disc and a spacer bush. The involute tooth-shaped discs are fixed on the sieve shaft at equal intervals by the spacer bushes, and the sieve shaft is installed on the inner sieve frame side plate through the sieve shaft bearing seat.
Preferably, the relaxation screening surface comprises a polyurethane screen plate and a pressing strip. One end of the polyurethane sieve plate is mounted on the inner sieve frame cross beam through the pressing strip, the other end of the polyurethane sieve plate is mounted on the outer sieve frame cross beam through the pressing strip, and the pressing plates are mounted on the side lining plates on two sides.
Preferably, the crankshaft transmission device comprises a mandrel, a mandrel sleeve, an eccentric sleeve, a mandrel bearing seat, a crankshaft connecting rod and a pin. The core shaft sleeve is installed on the inner screen frame through the screen shaft bearing seat, the core shaft is installed in the core shaft sleeve, the eccentric sleeve is installed on the core shaft, the core shaft is installed on the supporting device through the core shaft bearing seat, one end of the crankshaft connecting rod is installed on the eccentric sleeve, the other end of the crankshaft connecting rod is installed on the pin, and the pin is installed on the side plate of the outer screen frame.
Preferably, the driving device comprises a motor reducer and a coupling. The coupler is installed on the output shaft of the motor reducer.
Preferably, the pulley set comprises a large pulley, three small pulleys, a belt, a pulley drive stub shaft and a stub shaft bearing seat. The large belt pulley is a driven pulley and is arranged on the mandrel sleeve, one of the small belt pulleys is a driven pulley and is arranged on the mandrel, the other two small belt pulleys are driving wheels and are arranged on the belt pulley transmission short shaft, the belt pulley transmission short shaft is arranged on the support frame through the short shaft bearing seat, and the large belt pulley is connected with the small belt pulley through the belt.
Preferably, the supporting device comprises a supporting frame and a rubber spring. The supporting frame is formed by welding steel plates and fixing bolts, and the rubber spring is installed on the supporting frame.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. according to the heterosurface screen provided by the utility model, the paint shaft screen surface and the relaxation screen surface are combined, so that the deep screening of fine particles under high treatment capacity is completed, and the screening effect of low mismatching rate is ensured. This is a screening surface structure that any other screen does not have.
2. According to the cross-surface screen provided by the utility model, the roller screen surface and the flip-open screen surface are combined, so that the impact of materials entering the flip-open screen surface is greatly reduced, the service life of the polyurethane screen plate is ensured, and meanwhile, the maintenance cost of the polyurethane screen plate is reduced.
3. The heterosurface sieve provided by the utility model has the advantages that different rotating speeds are respectively transmitted through the upper core shaft sleeve and the core shaft of the crankshaft transmission device, so that the requirements of a roller sieve surface and a relaxation sieve surface on the rotating speeds are met, the coaxial rotation with different speeds is realized, the structure of the sieve is simplified, and the space is saved.
The working principle of the utility model is as follows: on the roller screen surface, a motor drives a main shaft to rotate through a speed reducer and a coupler, and sieve pores are formed on the main shaft by the aid of involute tooth-shaped discs which are arranged in a staggered mode, so that a large amount of materials can be quickly spread on the roller screen surface to complete screen penetration, oversize materials which are not screened are stably fed into the relaxation screen surface due to the fact that the screen surface rotates and moves forwards, and impact is not generated on the relaxation screen surface. On the flip-flow screen surface, the motor drives the crankshaft transmission device through the speed reducer and the coupler to generate eccentric excitation, so that the outer screen frame does reciprocating motion, the polyurethane screen plate does flip-flow motion, materials are more easily loosened and layered on the flip-flow screen surface until passing through the screen, and deep screening of fine materials is completed.
Description of the drawings:
FIG. 1 is a perspective view of the general construction of the present invention;
FIG. 2 is a side view of the general construction of the present invention;
FIG. 3 is a perspective view of the inner screen frame of the present invention;
FIG. 4 is a perspective view of the outer screen frame of the present invention;
FIG. 5 is a perspective view of a roller screening surface of the present invention;
FIG. 6 is a perspective view of a relaxation screen surface of the present invention;
FIG. 7 is a perspective view of the crankshaft transmission of the present invention;
FIG. 8 is a perspective view of the drive of the present invention;
FIG. 9 is a perspective view of the pulley set of the present invention;
fig. 10 is a perspective view of the support device of the present invention.
Symbolic illustration of the main parts in the figures: 1-inner screen frame, 2-outer screen frame, 3-roller screen surface, 4-relaxation screen surface, 5-crankshaft transmission device, 6-driving device, 7-belt pulley group, 8-supporting device, 9-inner screen frame side plate, 10-side lining plate, 11-inner screen frame cross beam, 12-feeding guide plate, 13-discharging guide plate, 14-pressing plate, 15-hanging device, 16-outer screen frame side plate, 17-outer screen frame cross beam, 18-screen shaft, 19-screen shaft bearing seat, 20-involute tooth-shaped disc, 21-spacer bush, 22-polyurethane screen plate, 23-pressing strip, 24-core shaft, 25-core shaft sleeve, 26-eccentric sleeve, 27-core shaft bearing seat, 28-crankshaft connecting rod, 29-pin, 30-motor reducer, 31-coupler, 32-big belt pulley, 33-small belt pulley, 34-belt, 35-belt pulley transmission short shaft, 36-short shaft bearing seat, 37-support frame and 38-rubber spring.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model aims to provide a fine material deep screening device with high treatment capacity, namely a different-surface screen, so as to solve the problems in the prior art.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The embodiment provides a high-throughput fine material deep screening device, namely a special-surface screen, which mainly comprises an inner screen frame 1, an outer screen frame 2, a roller screen surface 3, a relaxation screen surface 4, a crankshaft transmission device 5, a driving device 6, a belt pulley group 7 and a supporting device 8, as shown in fig. 1 and fig. 2. The inner screen frame 1 is arranged on a supporting frame 37 shown in fig. 10, the supporting frame 37 is formed by welding steel plates and fixing bolts, a rubber spring 38 is arranged on the supporting frame 37 to play a role in vibration reduction, the inner screen frame 1 is arranged in an inclined angle of 25 degrees, the angle can be adjusted according to actual use conditions, the driving device 6 is arranged on the steel plates welded on the supporting frame 37, and the outer screen frame 2 is hung on the inner screen frame 1 through a hanging device 15 shown in fig. 3.
As shown in fig. 3, the inner screen frame 1 is composed of inner screen frame side plates 9, side lining plates 10, inner screen frame cross beams 11, a feeding guide plate 12, a discharging guide plate 13, a pressing plate 14 and a hanging device 15. Two intra-block screen frame side plates 9 are connected by a plurality of inner screen frame cross beams 11 which are arranged at equal intervals, two side lining plates 10 are arranged on the inner side of the inner screen frame side plates 9, round holes are formed in the inner screen frame side plates 9 and the side lining plates 10 and used for installing a screen shaft bearing seat 19 shown in figure 5, two pressing plates 14 are arranged on the side lining plates 10 and used for installing a polyurethane screen plate 22 shown in figure 6, a feeding guide plate 12 and a discharging guide plate 13 are respectively arranged at the front end and the rear end of each inner screen frame side plate 9, and two hanging devices 15 are arranged on the outer sides of the two inner screen frame side plates 9 and used for hanging an outer screen frame 2 shown in figure 4.
As shown in fig. 4, the outer screen frame 2 is composed of outer screen frame side plates 16 and outer screen frame cross beams 17. The two outer screen frame side plates 16 are connected by a plurality of outer screen frame cross beams 17 which are arranged at equal intervals. The two outer screen frame side plates 16 are hung on the inner screen frame 1 by the hanging device 15.
As shown in fig. 5, the single roller screening surface 3 is composed of a screening shaft 18, a screening shaft bearing seat 19, an involute tooth-shaped disc 20 and a spacer 21. A plurality of involute tooth-shaped discs 20 are fixed on a sieve shaft 18 at equal intervals through spacer bushes 21, and the sieve shaft 18 is arranged on two inner sieve frame side plates 9 of the inner sieve frame 1 through two sieve shaft bearing blocks 19. The complete roller screen surface 3 consists of a number of roller screen surfaces 3 arranged at equal intervals as shown in figure 5.
As shown in fig. 6, the monolithic relaxation screening surface 4 is composed of a polyurethane screen deck 22 and a bead 23. The two ends of the polyurethane screen plate 22 are respectively arranged on the inner screen frame cross beam 11 and the outer screen frame cross beam 17 by the pressing strips 23, and the complete relaxation screen surface 4 consists of a plurality of relaxation screen surfaces shown in figure 6.
As shown in fig. 7, the crank drive 5 is composed of a spindle 24, a spindle sleeve 25, an eccentric sleeve 26, a spindle bearing block 27, a crankshaft connecting rod 28, a pin 29 and a sieve shaft bearing block 19. The core shaft sleeve 25 is arranged on the inner screen frame side plate 9 through two screen shaft bearing blocks 19, involute tooth-shaped discs 20 are fixed on the core shaft sleeve 25 at equal intervals through spacer bushes 21, a core shaft 24 penetrates through the core shaft sleeve 25 and is arranged on a support frame 37 through a core shaft bearing block 27, two eccentric sleeves 26 are arranged on the core shaft 24, crankshaft connecting rods 28 are arranged at the positions of the two eccentric sleeves 26, pins 29 are arranged at the other ends of the crankshaft connecting rods 28, and the pins 29 are arranged on the outer screen frame side plate 16.
As shown in fig. 8, the driving device 6 is composed of a motor reducer 30 and a coupling 31. One end of the coupling 31 is mounted on an output shaft of the motor reducer 30, the other end of the coupling is connected with the screen shaft 18 or the belt pulley transmission short shaft 35, and the driving devices 6 are respectively arranged on the left side and the right side of the inner screen frame 1.
As shown in fig. 9, the pulley set 7 is composed of a large pulley 32, a small pulley 33, a belt 34, a pulley drive stub shaft 35, and a stub shaft bearing housing 36. Wherein, driven big belt pulley 32 is connected with mandrel cover 25, and driven belt pulley 33 is connected with dabber 24, and the action wheel of belt pulley group 7 is two the same belt pulleys 33, connects through the belt between action wheel and the driven wheel, and two action wheels are installed on pulley drive stub axle 35, and pulley drive stub axle 35 installs on stub axle bearing frame 36, and the stub axle bearing frame is installed on support frame 37.
In this embodiment, the outer reel 2 is hung on the inner reel 1 by the hanging device 15, and the inner reel beams 11 and the outer reel beams 17 are alternately arranged. When the driving device 6 drives the crank transmission device 5 to rotate, the eccentric sleeve 25 on the mandrel 24 generates eccentric excitation, and the excitation is transmitted to the outer screen frame 3 through the crank connecting rod 28 and the pin 29, so that the outer screen frame 3 generates periodic reciprocating motion, and further the polyurethane screen plate 22 generates relaxation motion.
The working principle of the different-surface screen provided by the utility model is as follows:
the driving devices 6 arranged at the left side and the right side of the inner screen frame 1 respectively drive the screen shaft 18 and the belt pulley transmission short shaft 35 to rotate, the screen shaft 18 drives the involute tooth-shaped disc 20 to rotate, the belt pulley transmission short shaft 35 drives the belt pulley group 7 to rotate when rotating, so that the crankshaft transmission device 5 rotates, the involute tooth-shaped disc 20 rotating on the core shaft sleeve 25 and the involute tooth-shaped disc 20 rotating on the screen shaft 18 jointly form a complete roller screen surface 3, the eccentric sleeve 26 on the core shaft 24 rotates to generate eccentric excitation, and the eccentric excitation continuously pushes and pulls the outer screen frame 3 through the crankshaft connecting rod 28 and the pin 29, so that the polyurethane screen plate 22 generates tension movement. After materials are fed into the different-surface sieve from the feeding guide plate 12, the materials are quickly spread under the rotating action of the involute tooth-shaped disc 20 as the materials pass through the roller screen surface 3, a large amount of fine-particle materials are completely sieved on the roller screen surface 3, so that the different-surface sieve has the advantage of high treatment capacity, oversize materials which are not sieved are stably fed into the relaxation screen surface 4 under the pushing action of the rotating involute tooth-shaped disc 20, the oversize materials are subjected to higher vibration strength due to the periodic relaxation sieve movement of the polyurethane sieve plate 22 and are more easily loosened and layered until being sieved, the sieving effect on particles which are difficult to sieve is good, the whole sieving efficiency is obviously improved, and the oversize materials which are not sieved are discharged by the discharging guide plate 13. When the different-surface sieve is used for treating sticky and wet fine materials, sieve pores are not sticky and blocked, the treatment capacity of the sieve is large, the flexible polyurethane sieve plate is not easy to damage, the sieving efficiency is high, and the service life is long.
The principle and the implementation mode of the utility model are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.
Claims (7)
1. The different face sieve, its characterized in that: the whole machine screen frame consists of two different screen frames, and the whole machine screen surface consists of two sections of different screen surfaces and comprises an inner screen frame, an outer screen frame, a roller screen surface, a relaxation screen surface, a crankshaft transmission device, a driving device, a belt pulley group and a supporting device;
the outer screen frame, the roller screen surface and the tension and relaxation screen surface are arranged on the inner screen frame, and the crankshaft transmission device, the driving device and the belt pulley group are arranged on the supporting device;
the inner screen frame comprises inner screen frame side plates, side lining plates, an inner screen frame cross beam, a feeding guide plate, a discharging guide plate, a pressing plate and a hanging device;
the outer screen frame comprises outer screen frame side plates and outer screen frame cross beams;
the rolling shaft screen surface comprises a screen shaft, a screen shaft bearing seat, an involute tooth-shaped disc and a spacer bush;
the relaxation screen surface comprises a polyurethane screen plate and a pressing strip;
the crankshaft transmission device comprises a mandrel, a mandrel sleeve, an eccentric sleeve, a mandrel bearing seat, a crankshaft connecting rod and a pin;
the belt pulley set comprises a large belt pulley, three small belt pulleys, a belt pulley transmission short shaft and a short shaft bearing seat.
2. The facetted screen of claim 1, wherein: the curb plate by interior reel crossbeam is connected, the side liner board is installed on the interior reel curb plate, the pan feeding guide plate with ejection of compact guide plate is installed respectively both ends around the interior reel curb plate, the clamp plate is installed on the side liner board, cable suspension device one end is installed on the interior reel curb plate.
3. The facetted screen of claim 1, wherein: the outer screen frame side plate is connected with the outer screen frame cross beam, and the outer screen frame side plate is installed at the other end of the hanging device.
4. The facetted screen of claim 1, wherein: the involute tooth-shaped discs are fixed on the sieve shaft at equal intervals by the spacer bushes, and the sieve shaft is installed on the inner sieve frame side plate through the sieve shaft bearing seat.
5. The facetted screen of claim 1, wherein: one end of the polyurethane sieve plate is mounted on the inner sieve frame cross beam through the pressing strip, the other end of the polyurethane sieve plate is mounted on the outer sieve frame cross beam through the pressing strip, and the pressing plates are mounted on the side lining plates on two sides.
6. The facetted screen of claim 1, wherein: the core shaft sleeve is installed on the inner screen frame side plate through the screen shaft bearing seat, the core shaft is installed in the core shaft sleeve, the eccentric sleeve is installed on the core shaft, the core shaft is installed on the supporting device through the core shaft bearing seat, one end of the crankshaft connecting rod is installed on the eccentric sleeve, the other end of the crankshaft connecting rod is installed on the pin, and the pin is installed on the outer screen frame side plate.
7. The facetted screen of claim 1, wherein: the large belt pulley is a driven pulley and is arranged on the mandrel sleeve, one small belt pulley is a driven pulley and is arranged on the mandrel, the coaxial different speeds of the crankshaft transmission device are realized, the other two small belt pulleys are used as driving wheels and are arranged on the belt pulley transmission short shaft, the belt pulley transmission short shaft passes through the short shaft bearing seat and is arranged on the supporting device, and the large belt pulley is connected with the small belt pulley through a belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121087021.3U CN215430068U (en) | 2021-05-20 | 2021-05-20 | Different surface sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121087021.3U CN215430068U (en) | 2021-05-20 | 2021-05-20 | Different surface sieve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215430068U true CN215430068U (en) | 2022-01-07 |
Family
ID=79707750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121087021.3U Expired - Fee Related CN215430068U (en) | 2021-05-20 | 2021-05-20 | Different surface sieve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215430068U (en) |
-
2021
- 2021-05-20 CN CN202121087021.3U patent/CN215430068U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220107 |