CN218610474U

CN218610474U - Grading wheel with adjustable blade angle

Info

Publication number: CN218610474U
Application number: CN202222804319.2U
Authority: CN
Inventors: 李娟�; 许亮; 孙福钦; 张金友
Original assignee: Weifang Perman Powder Equipment Co ltd
Current assignee: Weifang Perman Powder Equipment Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-03-14
Anticipated expiration: 2032-10-25

Abstract

The utility model provides a classifying wheel with adjustable blade angle, relate to material classification technical field, including last disk body and lower disk body, evenly be provided with a plurality of flabellums on the periphery of going up disk body and lower disk body, the installation angle of a plurality of flabellums is unanimous, a plurality of flabellums enclose into the farine space with last disk body and lower disk body, clearance between the adjacent flabellum is the feed inlet, upward be provided with the discharge gate on the disk body, the upper end of flabellum is provided with the pivot, the lower extreme of flabellum is provided with down the pivot, upward pivot pivoted mounting is on last disk body, down pivot pivoted mounting is under on the disk body, the flabellum still is provided with locking device, down the pivot runs through disk body down and is fixed with driven gear, the transmission is connected with drive arrangement between a plurality of driven gear, drive arrangement is fixed under on the disk body. The driving device drives all the fan blades to rotate simultaneously, so that the angular rotation of all the blades is realized, and after the adjustment is completed, the fan blades are fixed through the locking device, so that the position locking of all the blades is realized, and the simultaneous adjustment of all the blades is realized.

Description

Grading wheel with adjustable blade angle

Technical Field

The utility model relates to a material classification technical field, in particular to classifying wheel with adjustable blade angle.

Background

The grading wheel is an important part of the grader, and the motor drives the grading wheel to rotate at a high speed (the rotating speed is adjustable) in the grading shell, so that a strong centrifugal force is formed in the grader. The gas-powder mixture entering the classifier firstly enters the inside of the classifying wheel, and under the action of centrifugal force, large or heavy particles are thrown to the periphery of the classifying wheel to the side wall of the classifier and are not influenced by the centrifugal force, and naturally fall into the crushing main machine to be continuously crushed or fall into a discharge port to be collected; the small or light materials are slightly influenced by centrifugal force, hover in the grading wheel, are influenced by induced draft of the induced draft fan to be brought to a high position, and move along the pipeline to the next component to be graded or collected. The inclination angle of the blade of the grading wheel directly influences the grading fineness of the grading wheel.

The blade of the grading wheel in the prior art is fixed by welding, and the angle of the blade of the grading wheel is fixed and cannot be adjusted. After the blade of the grading wheel is worn, the whole grading wheel is directly discarded. Chinese patent CN 215542753U discloses a classifying wheel with adjustable blade angle, which is fixed by a first groove body or a second groove body, the blade and the wheel body do not need to be welded, the material of the blade can be ceramic, rubber, hard alloy and other materials, but this kind of structure has the following defects: 1. the blade angle can be changed into two angles which are 0 degree and 25 degrees, and the adjusting range is small; 2. the angle of the blades can be adjusted only one by one, which wastes time and labor.

SUMMERY OF THE UTILITY MODEL

To above defect, the utility model aims at providing a classifying wheel with adjustable blade angle, this classifying wheel with adjustable blade angle can realize that the classifying wheel goes on simultaneously when blade angular adjustment, has improved work efficiency greatly.

In order to realize the purpose, the technical scheme of the utility model is that:

the utility model provides a classifying wheel with adjustable blade angle, includes disk body and lower disk body, go up the disk body with evenly be provided with a plurality of flabellums on the periphery of disk body down, it is a plurality of the installation angle of flabellum is unanimous, and is a plurality of the flabellum with go up the disk body with the lower disk body encloses into the farine space, and is adjacent clearance between the flabellum is the feed inlet, it is provided with the discharge gate on the disk body to go up, the upper end of flabellum is provided with the pivot, the lower extreme of flabellum is provided with down the pivot, it installs to go up the pivot rotation go up on the disk body, the pivot is rotated down and is installed on the disk body down, the flabellum still is provided with locking means, the pivot runs through down disk body and be fixed with driven gear, it is a plurality of to go up the transmission between the driven gear is connected with drive arrangement, drive arrangement fixes on the disk body down.

Wherein, drive arrangement includes the chain, chain drive connects all driven gear, still rotate on the lower plate body bottom plate and install the action wheel, the action wheel with chain drive connects, fixed mounting has the mounting panel on the lower plate body, slidable mounting has the rack on the mounting panel, the rack with the action wheel meshing, the back of rack is provided with the handle, be provided with the spout on the mounting panel, handle slidable mounting be in the spout, correspond on the mounting panel the handle is provided with the scale mark.

The locking device comprises baffle plates which are symmetrically arranged on two sides of the handle, positioning holes are symmetrically arranged on the baffle plates corresponding to the scale marks, through holes are formed in the handle and correspond to any one of the positioning holes, bolts are arranged in the positioning holes and the through holes, and nuts are arranged on the bolts.

The upper and lower fixed mounting of spout has the separation blade, the separation blade is flexible separation blade, the handle is located between the baffle.

The upper part and the lower part of the sliding groove are fixedly provided with brush rows, and the handle is positioned between the brush rows.

The fan blades are rectangular fan blade structures.

The protective cover is arranged on the outer side of the driving device and fixed to the bottom of the lower disc body.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

because the utility model relates to a gradation wheel with adjustable blade angle, including last disk body and lower disk body, evenly be provided with a plurality of flabellums on going up the periphery of disk body and lower disk body, the installation angle of a plurality of flabellums is unanimous, a plurality of flabellums enclose into the farine space with last disk body and lower disk body, clearance between the adjacent flabellum is the feed inlet, upward be provided with the discharge gate on the disk body, the upper end of flabellum is provided with the pivot, the lower extreme of flabellum is provided with down the pivot, upward pivot rotatable mounting is on last disk body, down pivot rotatable mounting is under on the disk body, the flabellum still is provided with locking device, down the pivot runs through down the disk body and is fixed with driven gear, the transmission is connected with drive arrangement between a plurality of driven gear, drive arrangement fixes under on the disk body. The utility model discloses a driven gear that drive arrangement drove all flabellums rotates simultaneously to realized the angular rotation of all blades, after the adjustment is accomplished, fixed the flabellum through locking means, thereby realized the position locking of all blades, thereby realized the adjustment in the time of all blades, set up the discharge gate on last disk body simultaneously, thereby effectively prevented that the fines from blockking up the discharge gate.

Through hand push handle, can control the rack and slide on the mounting panel to the rotation of control action wheel drives the chain rotation, thereby drives all driven gear's synchronous rotation, through the scale mark on the mounting panel, can realize the accurate adjustment of angle.

Through setting up the protection casing to prevent that the dust from entering into drive arrangement.

To sum up, the utility model relates to a classifying wheel with adjustable blade angle needs every to adjust when having solved blade angular adjustment among the prior art, greatly reduced work efficiency's technical problem, the utility model discloses a drive arrangement passes through the driven gear that drive arrangement drove all flabellums and rotates simultaneously to realized the angular rotation of all blades, after the adjustment is accomplished, fixed the flabellum through locking means, thereby realized the position locking of all blades, improved work efficiency greatly.

Drawings

FIG. 1 is a schematic structural view of a blade angle adjustable classifying wheel according to the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a bottom view of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 1;

FIG. 5 is a partial enlarged view of B in FIG. 3;

in the figure: 1. the fine powder feeding device comprises an upper disc body, 11, a discharging hole, 2, a lower disc body, 21, a mounting plate, 211, a sliding rail, 212, a sliding block, 213, a sliding groove, 214, a handle, 215, a scale mark, 216, a through hole, 217, a baffle plate, 22, a rack, 3, fan blades, 30, a feeding hole, 31, a fine powder space, 32, an upper rotating shaft, 33, a lower rotating shaft, 34, a driven gear, 35, a chain, 36, a driving wheel, 37 and a protective cover, 4, a shaft hub, 5, a locking device, 51, a baffle plate, 52, a positioning hole, 53 and a bolt.

Detailed Description

The invention is further explained below by referring to the drawings and examples.

All the orientations referred to in the present specification are based on the orientations shown in the drawings, and only represent relative positional relationships, not absolute positional relationships.

As shown in fig. 1, 2, 3, 4 and 5, the blade angle adjustable classifying wheel comprises an upper disc body 1 and a lower disc body 2. The upper tray body 1 and the lower tray body 2 are both circular structures. The upper disc body 1 and the lower disc body 2 are provided with shaft hubs 4 at the middle positions opposite to each other up and down, and the upper disc body 1 and the lower disc body 2 are fixedly arranged at the upper end and the lower end of the shaft hubs 4 respectively. A plurality of fan blades 3 are uniformly arranged on the peripheries of the upper tray body 1 and the lower tray body 2, the installation angles of the fan blades 3 are consistent, and the fan blades 3 are rectangular fan blade 3 structures. The plurality of fan blades 3, the upper tray body 1 and the lower tray body 2 enclose a fine powder space 31, a gap between adjacent fan blades 3 is a feeding hole 30, and the upper tray body 1 is provided with a discharging hole 11. The output shaft of the power device is fixed on the shaft hub 4, and can drive the high-speed operation of the grading wheel, the materials can enter from the feeding hole 30, the coarse materials are thrown out, and the fine materials are discharged from the discharging hole 11.

As shown in fig. 1, 2, 3, 4 and 5, the fan blade 3 is clamped between the upper plate 1 and the lower plate 2, an upper rotating shaft 32 is disposed at the upper end of the fan blade 3, a lower rotating shaft 33 is disposed at the lower end of the fan blade 3, and the upper rotating shaft 32 and the lower rotating shaft 33 are disposed opposite to each other up and down. The upper rotating shaft 32 is installed on the upper disc body 1 in a sealing and rotating mode, the lower rotating shaft 33 is installed on the lower disc body 2 in a sealing and rotating mode, the lower rotating shaft 33 penetrates through the lower disc body 2 and is fixed with driven gears 34, and driving devices are connected among the driven gears 34 in a transmission mode and fixed on the lower disc body 2. Driven gear 34 encloses into the loop configuration, drive arrangement includes chain 35, all driven gear 34 are connected in the transmission of chain 35, still rotate on the 2 bottom plates of lower disc and install action wheel 36, action wheel 36 is connected with the transmission of chain 35, fixed mounting has mounting panel 21 on the lower disc 2, be provided with slide rail 211 on the mounting panel 21, be provided with slider 212 on the slide rail 21, fixed mounting has rack 22 on the slider 212, rack 22 and the meshing of action wheel 36, spout 213 has been seted up on the mounting panel 21, the back of slider 212 is provided with handle 214, handle 214 slidable mounting is in spout 213, handle 214 stretches out spout 213, it is provided with scale mark 215 to correspond handle 214 on the mounting panel 21. The outer side of the driving device is provided with a protective cover 37, and the protective cover 37 is fixed at the bottom of the lower tray body 2. The guard cover 37 covers the drive pulley 36, the chain 35, and the driven gear 34 inside thereof, and extends to the mounting plate 21.

As shown in fig. 1, 2, 3, 4 and 5, the fan blade 3 is further provided with a locking device 5, the locking device 5 includes baffle plates 51 symmetrically disposed on both sides of the handle 214, positioning holes 52 symmetrically disposed on the baffle plates 51 corresponding to the scale marks 215, through holes 216 disposed on the handle 214, the through holes 216 disposed corresponding to any one of the positioning holes 52, bolts 53 disposed in the positioning holes 52 and the through holes 216, and nuts disposed on the bolts 53. Blocking pieces 217 are fixedly installed on the upper portion and the lower portion of the sliding groove 213, and the handle 214 is located between the two blocking pieces 217. The blocking piece 217 is a flexible blocking piece, so that when the handle 214 slides left and right, the sliding is not hindered, and meanwhile, dust is prevented from entering the inside, the blocking piece 217 can also adopt a brush row, so long as a protection effect can be achieved, and the embodiment is not limited to this.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the working process of the classifying wheel with adjustable blade angle of the present invention is as follows:

adjusting the blades of the grading wheel:

stopping the operation of the classifying wheel, loosening the locking device 5, manually pushing the handle 214 corresponding to the scale mark 215, the handle 214 driving the rack 22 to slide, thereby driving the driving wheel 36 to rotate, further driving the chain 35 to rotate, thereby driving the driven gear 34 to rotate, further driving the fan blades 3 to rotate by a certain angle by the lower rotating shaft 33, and installing the locking device 5 after the adjustment is completed.

The utility model relates to a classifying wheel with adjustable blade angle passes through drive arrangement and passes through the driven gear that drive arrangement drove all flabellums and rotate simultaneously to realized the angle of all blades and rotated, accomplished the back when the adjustment, fixed the flabellum through locking means, thereby realized the position locking of all blades, improved work efficiency greatly.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.

Claims

1. The utility model provides a classifying wheel with adjustable blade angle, includes disk body and lower disk body, go up the disk body with evenly be provided with a plurality of flabellums on the periphery of disk body down, it is a plurality of the installation angle of flabellum is unanimous, and is a plurality of the flabellum with go up the disk body with the lower disk body encloses into the farine space, and is adjacent clearance between the flabellum is the feed inlet, its characterized in that, it is provided with the discharge gate on the disk body to go up, the upper end of flabellum is provided with the pivot, the lower extreme of flabellum is provided with down the pivot, it installs to go up the pivot rotation on going up the disk body, the pivot is rotated down and is installed on the disk body down, the flabellum still is provided with locking means, the pivot runs through down the disk body is fixed with driven gear, and is a plurality of the transmission is connected with drive arrangement between the driven gear, drive arrangement fixes on the disk body down.

2. The classifying wheel with the adjustable blade angle according to claim 1, wherein the driving device comprises a chain, the chain transmission connects all the driven gears, the bottom plate of the lower tray body is further rotatably provided with a driving wheel, the driving wheel is connected with the chain transmission, a mounting plate is fixedly mounted on the lower tray body, a rack is slidably mounted on the mounting plate, the rack is meshed with the driving wheel, a handle is arranged on the back surface of the rack, a chute is arranged on the mounting plate, the handle is slidably mounted in the chute, and a scale mark is arranged on the mounting plate corresponding to the handle.

3. The blade angle adjustable classifying wheel according to claim 2, wherein the locking device comprises baffle plates symmetrically arranged on both sides of the handle, positioning holes are symmetrically arranged on the baffle plates corresponding to the graduation lines, a through hole is arranged on the handle and corresponds to any one of the positioning holes, bolts are arranged in the positioning holes and the through hole, and nuts are arranged on the bolts.

4. The blade angle adjustable classifying wheel according to claim 3, wherein blocking pieces are fixedly mounted on the upper and lower sides of the sliding groove, the blocking pieces are flexible blocking pieces, and the handle is located between the blocking pieces.

5. The blade angle adjustable classification wheel of claim 2, wherein the sliding groove is fixedly provided with brush rows at the upper and lower sides, and the handle is positioned between the brush rows.

6. The blade angle adjustable classifier wheel of claim 1, wherein the blades have a rectangular blade configuration.

7. The blade angle adjustable classification wheel of claim 3, characterized in that a protective cover is arranged outside the driving device and fixed at the bottom of the lower disk body.