CN218775163U - Vibrating screen for screening tantalum powder - Google Patents
Vibrating screen for screening tantalum powder Download PDFInfo
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- CN218775163U CN218775163U CN202223496785.5U CN202223496785U CN218775163U CN 218775163 U CN218775163 U CN 218775163U CN 202223496785 U CN202223496785 U CN 202223496785U CN 218775163 U CN218775163 U CN 218775163U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model relates to a material screening technical field specifically is a shale shaker that screening tantalum powder was used. The screening drum assembly performs self-rotation motion around the axis line of the screening drum assembly; meanwhile, the eccentric shaking of the three eccentric wheels drives the sieving barrel assembly to revolve, so that the tantalum powder rolls along the inner wall of the sieving barrel, and when passing through the fine hole in the fine powder sieving area B, the particles with the diameter smaller than that of the fine hole fall down from the fine powder sieving area B and fall into a first receiving groove below the fine powder sieving area B; the rest of the blades are guided by the helical blades to move in the second direction. The utility model discloses existing vibration action has the upset action again, enables some and imbeds the downthehole granule of screening and drops out fast, makes the screening hole that is blockked up resume the screening function fast, keeps higher screening efficiency. The helical blade can effectively prolong the overturning path of the material and improve the screening efficiency. Collect particles with different diameters to meet different requirements. The utility model discloses simple structure only needs a motor, but can accomplish more functions.
Description
Technical Field
The utility model relates to a material screening technical field relates to a screening grading plant of rare metal powder, specifically is a shale shaker that screening tantalum powder was used.
Background
The vibrating screen for screening the tantalum powder comprises a fixed base, wherein the front end and the rear end of one side of the top of the fixed base are fixedly connected with main supporting columns, the front end and the rear end of one side, away from the main supporting columns, of the top of the fixed base are fixedly connected with auxiliary supporting columns, telescopic rods are slidably mounted at the tops of the two auxiliary supporting columns, locking bolts corresponding to the telescopic rods are mounted on one sides of the outer walls of the two auxiliary supporting columns, and limiting rings are fixedly connected to the top ends of the two groups of main supporting columns and the telescopic rods; the vibrating screen box is arranged at the top between the two groups of main supporting columns and the telescopic rods, a first limiting rod and a second limiting rod are fixedly connected to the two sides of the front end and the rear end of the vibrating screen box respectively, a stainless steel screen is arranged in the center of the vibrating screen box, a vibrator is arranged in the center of the bottom of the stainless steel screen, and a protective cover is arranged at the top of the vibrating screen box; one end of the vibrating screen box is fixedly connected with a material guide pipe, and the top end of the material guide pipe is fixedly connected with a feeding hopper; larger particles or partial impurities are filtered in the vibration process of the vibration screen box, and qualified fine powder passes through the plurality of screen holes and is collected in the material collection box.
However, the screen of the vibrating screen only vibrates in situ and does not have the action of overturning, some slender wedge-shaped particles are embedded into the screening holes and do not fall off even if vibrating, the screening work is prevented from being continued, the screening path is short, the screening efficiency is reduced, and some subdivided particles are forced to slide to the other end by other particles when not selecting one screening hole to fall from the subdivided particles.
Disclosure of Invention
The utility model discloses be exactly to the above-mentioned not enough that prior art exists, provide a shale shaker that screening tantalum powder was used, the utility model discloses the screening hole that makes to be blockked up resumes screening function fast, and helical blade can effectively prolong the upset route of material, keeps higher screening efficiency, can collect the granule of different diameters, satisfies the demand of various differences, can accomplish more functions.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a vibrating screen for screening tantalum powder comprises a screening cylinder assembly; the screening cylinder component comprises a screening cylinder and a helical blade; the axis of the screening cylinder component is arranged along the horizontal direction; the spiral blade is fixedly connected to the inner wall of the screening cylinder, a plurality of screening holes are formed in the wall of the screening cylinder, the screening holes are distributed into three areas along the axial direction of the screening cylinder, and a fine powder screening area B, a medium powder screening area C and a coarse powder screening area D are respectively distributed from a first end to a second end; the screening holes of the three regions are respectively fine holes, middle holes and coarse holes, and the hole diameters of the fine holes, the middle holes and the coarse holes are sequentially increased; the first end of the screening cylinder is provided with a feed inlet, and the second end is provided with a slag outlet.
Two ends of the screening cylinder assembly are respectively provided with an annular ring rail; the invention also comprises a frame and three transmission shaft assemblies; the transmission shaft assembly comprises a transmission shaft and an eccentric wheel, the eccentric wheel is fixedly connected with the transmission shaft, and the transmission shaft is connected with the rack through a revolute pair; the three transmission shaft assemblies are uniformly arranged around the screening barrel assembly, and the outer cylindrical surfaces of the three eccentric wheels are tangent to the outer cylindrical surface of the circular rail respectively.
The transmission shaft assembly further comprises a synchronizing wheel, and the synchronizing wheel is fixedly connected with the transmission shaft; the invention also comprises a synchronous belt; the synchronous belt is tightly wound on the three synchronous wheels; the axial lead of the eccentric wheels is parallel to the axial lead of the transmission shaft but is not coincident with the axial lead of the transmission shaft, and the eccentric distances and the rotation phases of the three eccentric wheels are the same.
The invention also includes a motor; the shell of the motor is fixedly connected with the frame; and an output shaft of the motor is fixedly connected with one of the transmission shafts.
The invention also includes a feeder; the feeder comprises a hopper and an inclined pipe; the inclined pipe is obliquely arranged, the first end of the inclined pipe faces upwards, and the first end of the inclined pipe and the hopper are installed together; the second end of the chute faces downward and extends into the interior of the sizing drum assembly through the feed port, but does not contact the rotating sizing drum assembly.
The invention also comprises a first receiving groove which is placed below the fine powder screening area B and is used for receiving the fine tantalum powder passing through the fine hole screen.
The invention also comprises a second receiving groove which is placed below the medium powder screening area C and is used for receiving the medium tantalum powder passing through the medium hole screen.
The coarse tantalum powder screening device further comprises a third receiving groove, wherein the third receiving groove is placed below the coarse powder screening area D and is used for receiving coarse tantalum powder passing through the coarse-hole screen.
The invention also includes a fourth receiving trough placed below the slag notch for receiving large particles of tantalum and other waste material that pass under the screen of the slag notch.
The eccentric distance of the eccentric wheel is in the range of ten to fifty millimeters, so that the tantalum powder can tumble in the sieving barrel assembly, but the tantalum powder cannot be thrown up too high and cannot be higher than the radial height of the helical blade, and the tantalum powder cannot be thrown up to cross the helical blade.
The outer cylindrical surface of the eccentric wheel is coated with a layer of rubber, so that noise can be reduced, abrasion of a metal surface can be reduced, friction can be increased, and slipping is prevented.
When the circular rail synchronous transmission device works, the motor drives the three transmission shaft assemblies to synchronously rotate at the same speed, the three eccentric wheels synchronously rotate along with the same speed, and the size of an inner common tangent circle of the three eccentric wheels is always kept unchanged and is always equal to the outer diameter of the circular rail; the screening cylinder assembly needs to do autorotation motion around the axis line of the screening cylinder assembly under the friction force of the eccentric wheel; meanwhile, the eccentric shaking of the three eccentric wheels drives the sieving barrel assembly to revolve to generate a vibration effect, and the revolving axis of revolution is the centroid of a triangle connecting the axes of the three transmission shafts; placing unscreened tantalum powder into a hopper, enabling the unscreened tantalum powder to enter a first end of a screening cylinder assembly through an inclined tube, enabling the tantalum powder to roll along the lowest side of the inner wall of a screening cylinder due to the rotation of the screening cylinder assembly, enabling the tantalum powder to fall down from a fine powder screening area B, wherein the particle diameter of the fine powder is smaller than that of a fine hole when the fine powder passes through the fine hole, and enabling the fine powder to fall into a first receiving groove below the fine hole; the rest of the powder is moved to the medium powder screening area C in a second direction under the guiding action of the helical blades, the particle diameter is smaller than that of the medium hole, and the particles fall down from the medium hole and fall into a second receiving groove below; the rest of the coarse powder is moved to a coarse powder screening area D in a second direction under the guiding action of the spiral blade, and the particle diameter of the coarse powder is smaller than that of the coarse hole, falls down from the coarse powder screening area D and falls into a third receiving groove below the coarse powder screening area D; the rest of the slag falls into a fourth receiving groove below through the slag outlet under the guiding action of the helical blades and moves towards the second direction. The vibration can promote the movement of tantalum powder particles and promote the rapid screening action. When there is long and thin wedge granule embedding screening downthehole, when this screening hole rotated the top, under the combined action of vibration effect and gravity, can impel the wedge granule to break away from the screening hole and fall downwards, make this screening hole that is blockked up resume screening function.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses existing vibration action has the upset action again, enables some and imbeds the downthehole granule of screening and drops out fast, makes the screening hole that is blockked up resume the screening function fast, keeps higher screening efficiency.
2. The helical blade can effectively prolong the overturning path of the material, so that the material is fully contacted with the wall of the screening cylinder, particles meeting the falling condition have enough chances to be screened out, and the screening efficiency is improved.
3. The utility model discloses divide into a plurality of sieve subareas, collect the granule of different diameters respectively, satisfy the demand of various differences.
4. The utility model discloses simple structure only needs a motor, but can accomplish more functions.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of embodiment 1 of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic three-dimensional structure of the driveshaft assembly 2;
fig. 4 is a schematic three-dimensional structure of the sieving cylinder assembly 3;
fig. 5 is a front sectional view of the feeder 5.
In the figure: 11-a first receiving slot; 12-a second receiving slot; 13-a third receiving groove; 14-a fourth receiving slot; 2-a driveshaft assembly; 21-a transmission shaft; 22-eccentric wheel; 23-a synchronizing wheel; 3-a screening cartridge assembly; 31-a screening drum; 311-pores; 312-mesopores; 313-coarse holes; 32-helical blades; 33-a feed inlet; 34-a slag outlet; 35-circular rail; b, fine powder screening area; c, screening and partitioning the medium powder; d, partitioning the coarse powder sieve; 4-synchronous belt; 5-a feeder; 51-a hopper; 52-inclined tube; 6-a frame; 7-motor.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments and the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1, a vibratory screen for screening tantalum powder, as described in fig. 1-5, includes a screening cylinder assembly 3; the sieving cylinder component 3 comprises a sieving cylinder 31 and a helical blade 32; the axis of the screening cylinder assembly 3 is arranged along the horizontal direction; the helical blade 32 is fixedly connected to the inner wall of the screening cylinder 31, the wall of the screening cylinder 31 is provided with a plurality of screening holes, the screening holes are distributed into three areas along the axial direction of the screening cylinder 31, and a fine powder screening area B, a medium powder screening area C and a coarse powder screening area D are respectively distributed from a first end to a second end; the screening holes of the three regions are respectively fine holes 311, medium holes 312 and coarse holes 313, and the hole diameters of the fine holes, the medium holes 312 and the coarse holes are increased in sequence; the screening cylinder 31 is provided with a feed inlet 33 at a first end and a slag outlet 34 at a second end.
As shown in fig. 4, two ends of the screening cylinder assembly 3 are respectively provided with an annular ring rail 35; the embodiment also comprises a frame 6 and three transmission shaft assemblies 2; the transmission shaft assembly 2 comprises a transmission shaft 21 and an eccentric wheel 22, the eccentric wheel 22 is fixedly connected with the transmission shaft 21, and the transmission shaft 21 is connected with the frame 6 through a revolute pair; the three transmission shaft assemblies 2 are uniformly arranged around the screening drum assembly 3, and the outer cylindrical surfaces of the three eccentric wheels 22 are tangent to the outer cylindrical surface of the ring rail 35 respectively.
As shown in fig. 3, the transmission shaft assembly 2 further includes a synchronizing wheel 23, and the synchronizing wheel 23 is fixedly coupled with the transmission shaft 21; the embodiment also comprises a synchronous belt 4; the synchronous belt 4 is tightly wound on three synchronous wheels 23; the axial line of the eccentric wheels 22 is parallel to but not coincident with the axial line of the transmission shaft 21, and the eccentric distances and the rotation phases of the three eccentric wheels 22 are the same.
The embodiment also comprises a motor 7; the shell of the motor 7 is fixedly connected with the frame 6; the output shaft of the motor 7 is fixedly connected with one of the transmission shafts 21.
The present embodiment further comprises a feeder 5; the feeder 5 comprises a hopper 51 and an inclined pipe 52; the inclined pipe 52 is obliquely arranged, the first end of the inclined pipe faces upwards, and the first end of the inclined pipe and the hopper 51 are installed together; the second end of the chute is directed downwards and extends through the feed opening 33 into the interior of the classifying drum assembly 3, but is not in contact with the rotating classifying drum assembly 3.
The present embodiment further includes a first receiving groove 11, and the first receiving groove 11 is placed below the fine powder sieving region B to receive the fine tantalum powder sieved through the fine holes 311.
The present embodiment further includes a second receiving groove 12, and the second receiving groove 12 is placed below the middle powder sieving region C to receive the middle tantalum powder sieved through the middle holes 312.
The present embodiment further includes a third receiving groove 13, and the third receiving groove 13 is placed below the coarse powder sieving zone D for receiving coarse tantalum powder sieved through the coarse holes 313.
The present embodiment also includes a fourth receiving trough 14, which fourth receiving trough 14 is placed below the slag notch 34 for receiving large particles of tantalum and other waste material that are screened through the slag notch 34.
The eccentric distance of the eccentric wheel 22 is in the range of ten to fifty millimeters, which can cause the tantalum powder to tumble in the sieving cylinder assembly 3, but the tantalum powder cannot be thrown up too high and cannot be higher than the radial height of the spiral blade 32, so that the tantalum powder cannot be thrown up to cross the spiral blade 32.
The outer cylindrical surface of the eccentric wheel 22 is coated with a layer of rubber, so that the noise can be reduced, the abrasion of the metal surface can be reduced, the friction force can be increased, and the slipping can be prevented.
When the circular rail is in work, the motor 7 drives the three transmission shaft assemblies 2 to synchronously rotate at the same speed, the three eccentric wheels 22 synchronously rotate at the same speed, and the size of an inner common tangent circle of the three eccentric wheels 22 is always kept unchanged and is always equal to the outer diameter of the circular rail 35; the screening cylinder component 3 needs to do self-rotation motion around the axis line thereof under the friction force of the eccentric wheel 22; meanwhile, the eccentric shaking of the three eccentric wheels 22 drives the sieving cylinder component 3 to revolve to generate the vibration effect, and the revolving axis of the revolution is the centroid of a triangle connected with the axes of the three transmission shafts 21; placing unscreened tantalum powder in a hopper 51, enabling the unscreened tantalum powder to enter a first end of a screening cylinder component 3 through an inclined pipe 52, rolling the tantalum powder along the lowest side of the inner wall of a screening cylinder 31 due to the rotation of the screening cylinder component 3, enabling the tantalum powder to fall into a first receiving groove 11 below after the tantalum powder with a particle diameter smaller than that of a fine hole 311 in a fine powder screening area B passes through the fine hole 311; the rest moves to the medium powder screening area C in a second direction under the guiding action of the spiral blade 32, the particle diameter is smaller than that of the middle hole 312, and the particles fall down from the middle hole and fall into the second receiving groove 12 below; the rest moves to the coarse powder screening area D in the second direction under the guiding action of the spiral blade 32, the particle diameter is smaller than that of the coarse hole 313, and the particle falls down from the coarse powder screening area D to the lower third receiving groove 13; the remainder is directed by the helical vanes 32 to move in the second direction and fall through the tap hole 34 into the fourth receiving trough 14 below. The vibration can promote the movement of tantalum powder particles and promote the rapid screening action. When the slender wedge-shaped particles are embedded into the screening holes and rotate to the upper side of the screening holes, the wedge-shaped particles can be promoted to separate from the screening holes and fall downwards under the combined action of vibration and gravity, so that the blocked screening holes recover the screening function.
Obviously, a person skilled in the art may make various modifications and variations to the present invention without departing from the scope of protection of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the present invention and its equivalent technology, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A vibrating screen for screening tantalum powder comprises a screening barrel assembly (3); the method is characterized in that: the screening drum component (3) comprises a screening drum (31) and a helical blade (32); the axial lead of the screening cylinder component (3) is arranged along the horizontal direction; the spiral blade (32) is fixedly connected to the inner wall of the screening cylinder (31), the wall of the screening cylinder (31) is provided with a plurality of screening holes, the screening holes are distributed into three areas along the axial direction of the screening cylinder (31), and a fine powder screening area B, a medium powder screening area C and a coarse powder screening area D are respectively distributed from a first end to a second end; the screening holes of the three regions are respectively fine holes (311), medium holes (312) and coarse holes (313), and the pore diameters of the fine holes, the medium holes and the coarse holes are increased in sequence; the first end of the screening cylinder (31) is provided with a feed inlet (33), and the second end is provided with a slag outlet (34).
2. The vibratory screen for screening tantalum powder of claim 1, wherein: two ends of the screening cylinder component (3) are respectively provided with an annular ring rail (35); the device also comprises a frame (6) and three transmission shaft assemblies (2); the transmission shaft assembly (2) comprises a transmission shaft (21) and an eccentric wheel (22), the eccentric wheel (22) is fixedly connected with the transmission shaft (21), and the transmission shaft (21) is connected with the rack (6) through a revolute pair; the three transmission shaft assemblies (2) are uniformly arranged around the screening drum assembly (3), and the outer cylindrical surfaces of the three eccentric wheels (22) are tangent to the outer cylindrical surface of the ring rail (35).
3. The vibrating screen for screening tantalum powder of claim 2, wherein: the transmission shaft assembly (2) further comprises a synchronous wheel (23), and the synchronous wheel (23) is fixedly connected with the transmission shaft (21); the device also comprises a synchronous belt (4); the synchronous belt (4) is tightly wound on three synchronous wheels (23); the axial lead of the eccentric wheels (22) is parallel to but not coincident with the axial lead of the transmission shaft (21), and the eccentric distances and the rotation phases of the three eccentric wheels (22) are the same.
4. The vibrating screen for screening tantalum powder of claim 3, wherein: also comprises a motor (7); the shell of the motor (7) is fixedly connected with the frame (6); the output shaft of the motor (7) is fixedly connected with one of the transmission shafts (21).
5. The vibrating screen for screening tantalum powder of claim 4, wherein: also comprises a feeder (5); the feeder (5) comprises a hopper (51) and an inclined pipe (52); the inclined pipe (52) is obliquely arranged, the first end of the inclined pipe faces upwards, and the first end of the inclined pipe and the hopper (51) are installed together; the second end of the inclined tube faces downwards and extends into the sieving cylinder component (3) through the feed port (33).
6. The vibrating screen for screening tantalum powder of claim 5, wherein: the fine tantalum powder screening device further comprises a first receiving groove (11), wherein the first receiving groove (11) is placed below the fine powder screening area B and used for receiving fine tantalum powder screened by the fine holes (311).
7. The vibratory screen for screening tantalum powder of claim 6, wherein: and the second receiving groove (12) is arranged below the medium-powder screening area C, and is used for receiving the medium-tantalum powder screened by the medium hole (312).
8. The vibratory screen for screening tantalum powder of claim 7, wherein: the tantalum powder screening device further comprises a third receiving groove (13), wherein the third receiving groove (13) is placed below the coarse powder screening area D and used for receiving coarse tantalum powder screened by the coarse holes (313).
9. The vibratory screen of claim 7 for screening tantalum powder, wherein: the eccentric distance of the eccentric wheel (22) is in the range of ten to fifty millimeters.
10. A vibrating screen for screening tantalum powder as claimed in any one of claims 2 to 9 wherein: the outer cylindrical surface of the eccentric wheel (22) is coated with rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223496785.5U CN218775163U (en) | 2022-12-27 | 2022-12-27 | Vibrating screen for screening tantalum powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223496785.5U CN218775163U (en) | 2022-12-27 | 2022-12-27 | Vibrating screen for screening tantalum powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218775163U true CN218775163U (en) | 2023-03-31 |
Family
ID=85722981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223496785.5U Active CN218775163U (en) | 2022-12-27 | 2022-12-27 | Vibrating screen for screening tantalum powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218775163U (en) |
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2022
- 2022-12-27 CN CN202223496785.5U patent/CN218775163U/en active Active
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