CN216857426U

CN216857426U - Metal powder screening device for powder metallurgy

Info

Publication number: CN216857426U
Application number: CN202122663358.0U
Authority: CN
Inventors: 易淑容
Original assignee: Hangzhou Xiesheng Mechanical Equipment Co ltd
Current assignee: Hangzhou Xiesheng Mechanical Equipment Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-07-01
Anticipated expiration: 2031-11-02

Abstract

The utility model relates to the technical field of powder metallurgy, and discloses a metal powder screening device for powder metallurgy, which comprises a shell, wherein a positioning support pile is fixedly arranged at the bottom of the shell, the top end of the positioning support pile penetrates through the shell and extends into the shell, a material receiving box is fixedly arranged at the top end of the positioning support pile, and a material feeding pipeline is fixedly arranged at the top of the shell and in the middle of the shell. This powder metallurgy uses metal powder sieving mechanism, filter area has been increaseed through filtering protruding cover, filterable efficiency has been improved, large granule metal powder or magazine through the separation blade to not sieving through filtering protruding cover blocks, make impurity fall into to communicating inside pipe downwards through filtering protruding cover open-top, and fall into the inside to the shell along communicating pipe, thereby can reject partial impurity on the way of screening filterable, improved and prevented that impurity from blockking up the filtration pore influence screening efficiency, the screening process is totally enclosed, the environmental protection effect has been improved.

Description

Metal powder screening device for powder metallurgy

Technical Field

The utility model relates to the technical field of powder metallurgy, in particular to a metal powder screening device for powder metallurgy.

Background

Powder metallurgy has unique chemical compositions and mechanical and physical properties that are not attainable using conventional melt casting methods. Porous, semi-compact or fully-compact materials and products can be directly manufactured by applying a powder metallurgy technology, such as oil-containing bearings, gears, cams, guide rods, cutters and the like, the method is a less-cutting-free process, the quality requirement of metal powder used in powder metallurgy is high, fine screening is required, if the metal powder is doped with impurities or large-particle metal powder, the strength and the surface smoothness of a formed part can be influenced, a general screening device is easy to block when screening the metal powder, the screening efficiency is low, and dust is easy to raise in the screening process.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a metal powder screening device for powder metallurgy, which solves the problems of low metal powder screening efficiency and easy blockage.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a metal powder sieving mechanism for powder metallurgy, includes the shell, the bottom fixed mounting of shell has the position-fixing support stake, the top of position-fixing support stake is run through the shell and is extended the inside of shell, the top fixed mounting of position-fixing support stake has the material receiving box, the top of shell and the fixed position that is located the centre have the material inlet pipe way, the outer wall of shell is located the fixed position that leans on the bottom and is installed the trash removal pipeline, the outer wall of material receiving box is located the fixed position that leans on the bottom and is installed the material discharging pipeline, the material discharging pipeline keeps away from the one end of material receiving box and runs through the shell and extend the outside of shell, the top of material receiving box is inlayed and is had the support ball, the top of support ball is provided with the support retaining ring, the inner wall fixed mounting of support retaining ring has the filter ring, the top of filter ring is located the position spacing ring near the inner wall, the top fixed mounting of spacing ring has the kuppe, there is the barrier ring at the top of crossing the filter ring through support fixed mounting, the bottom fixed mounting of shell has motor power, motor power's output runs through the shell and connects the workbin and extend the inboard of spacing ring, motor power's output fixed mounting has the backup pad, spacing draw-in groove has been seted up to the inner wall of spacing ring, and the backup pad joint is in the inside of spacing draw-in groove, the top of crossing the filter ring has been seted up supplementary filtration hole, and the top fixed mounting who supplementary filtration hole has the filtration convex cover, the inside of duplicating the filtration hole has the separation blade through horizontal pole fixed mounting, the separation blade extends the top of filtering the convex cover, and the top inner wall that filters the convex cover and the fixed position that is located the opening outside installs communicating pipe, the lower extreme that leans on of communicating pipe runs through and connects the workbin.

Preferably, the distance between the plane where the top of the filtering convex cover is located and the filtering ring is 20mm, the filtering area is enlarged through the filtering convex cover, and the filtering efficiency is improved.

Preferably, the distance between the bottom of the blocking ring and the filtering ring is 10mm, and the blocking ring limits the maximum thickness of the metal powder when the metal powder moves outwards above the filtering ring, so that the phenomenon that the blocking occurs due to overlarge thickness and the filtering efficiency is influenced is prevented.

Preferably, the bottom of shell and material receiving box all inclines to the right side, arranges the material pipeline and is in the lowest of material receiving box, arranges miscellaneous pipeline and is in the lowest of shell, and the inside material of shell and material receiving box of being convenient for collects and discharges.

Preferably, the power motor is installed with the position fixed on the left side of the bottom center of backup pad, and the length of backup pad equals with the inner wall diameter of spacing draw-in groove, and power motor drives the backup pad and stirs the spacing ring along spacing draw-in groove when rotating and squints, drives through the spacing ring and crosses the filter ring and rocks, makes the metal powder that filters the ring surface remove to the outside and sieves, has improved filterable efficiency through the mode of roll formula screening, and the roll formula screening can also reduce the jam when screening.

Preferably, the width of separation blade is less than the diameter of filtering protruding cover open-top, and the cross sectional shape of separation blade is "#" shape, blocks through the separation blade to large granule metal powder or the magazine of not sieving through filtering protruding cover, makes impurity fall into to communicating inside pipe through filtering protruding cover open-top downwards to fall into the inside of shell along communicating pipe, thereby can reject partial impurity on the way of screening filtration, improved and prevented that impurity from blockking up the filtration pore and influencing screening efficiency.

Compared with the prior art, the utility model provides a metal powder screening device for powder metallurgy, which has the following beneficial effects:

1. this powder metallurgy uses metal powder sieving mechanism, it rotates to drive the backup pad through motor power, the backup pad is stirred the spacing ring and is carried out the revolution along the circumferencial direction, the spacing ring drives and is filtered the hoop and carry out the revolution, the metallic powder of its upper surface can move to the outside under the effect of centrifugal force when filtering the ring and carrying out the revolution, can be at the restriction thickness of the obstruction of barrier ring when metallic powder moves to the outside, metallic powder rolls along filtering the outside side surface, metallic powder carries out roll filtration, metallic powder's removal liveliness has been improved, make metallic powder fully and filter the ring emergence contact, filterable efficiency has been improved, and the inside impurity of roll filtration's mode also can roll movement to the outside, make the difficult inside of jam at the filtration pore of impurity.

2. This powder metallurgy uses metal powder sieving mechanism, filter area has been increaseed through filtering protruding cover, filterable efficiency has been improved, large granule metal powder or magazine through the separation blade to not sieving through filtering protruding cover blocks, make impurity fall into to communicating inside pipe downwards through filtering protruding cover open-top, and fall into the inside to the shell along communicating pipe, thereby can reject partial impurity on the way of screening filterable, improved and prevented that impurity from blockking up the filtration pore influence screening efficiency, the screening process is totally enclosed, the environmental protection effect has been improved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2A according to the present invention.

Wherein: 1. a housing; 2. positioning the supporting pile; 3. a feeding pipeline; 4. a trash removal pipeline; 5. a material receiving box; 6. a discharge pipe; 7. a support ball; 8. a support baffle ring; 9. a filter ring; 10. a limiting ring; 11. a pod; 12. a blocking ring; 13. a power motor; 14. a support plate; 15. a limiting clamping groove; 16. a convex filtering cover; 17. a communicating pipe; 18. a baffle plate.

Detailed Description

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.

Referring to fig. 1-3, the utility model provides a metal powder screening device for powder metallurgy, which comprises a housing 1, wherein a positioning support pile 2 is fixedly arranged at the bottom of the housing 1, the top end of the positioning support pile 2 penetrates through the housing 1 and extends into the housing 1, a material receiving box 5 is fixedly arranged at the top end of the positioning support pile 2, a material inlet pipeline 3 is fixedly arranged at the top of the housing 1 and in the middle, a impurity discharge pipeline 4 is fixedly arranged on the outer wall of the housing 1 and near the bottom, a material discharge pipeline 6 is fixedly arranged on the outer wall of the material receiving box 5 and near the bottom, one end of the material discharge pipeline 6 far away from the material receiving box 5 penetrates through the housing 1 and extends to the outer side of the housing 1, the bottoms of the housing 1 and the material receiving box 5 are both inclined towards the right side, the material discharge pipeline 6 is arranged at the lowest position of the material receiving box 5, the impurity discharge pipeline 4 is arranged at the lowest position of the housing 1, so that the materials in the housing 1 and the material receiving box 5 can be collected and discharged conveniently, the top of the material receiving box 5 is inlaid with a supporting ball 7, the top of the supporting ball 7 is provided with a supporting baffle ring 8, the inner wall of the supporting baffle ring 8 is fixedly provided with a filter ring 9, the top of the filter ring 9 is positioned at a position limiting ring 10 close to the inner wall, the top of the limiting ring 10 is fixedly provided with a flow guide cover 11, the top of the filter ring 9 is fixedly provided with a stop ring 12 through a bracket, the distance between the bottom of the stop ring 12 and the filter ring 9 is 10mm, the maximum thickness of metal powder moving towards the outside above the filter ring 9 is limited through the stop ring 12, so that the blockage caused by overlarge thickness is prevented, the filtering efficiency is influenced, the bottom of the shell 1 is fixedly provided with a power motor 13, the output end of the power motor 13 penetrates through the shell 1 and the material receiving box 5 and extends to the inner side of the limiting ring 10, the output end of the power motor 13 is fixedly provided with a supporting plate 14, the power motor 13 is fixedly arranged at the position of the bottom center of the supporting plate 14 which is deviated to the left side, the length of the supporting plate 14 is equal to the diameter of the inner wall of the limiting clamping groove 15, when the power motor 13 drives the supporting plate 14 to rotate, the limiting ring 10 is shifted along the limiting clamping groove 15 to shift, the filter ring 9 is driven by the limiting ring 10 to rock, so that metal powder on the surface of the filter ring 9 moves outwards to be screened, the filtering efficiency is improved by a rolling type screening mode, the rolling type screening can also reduce the blockage during screening, when the power motor 13 drives the supporting plate 14 to rotate, the supporting plate 14 shifts the limiting ring 10 to revolve along the circumferential direction, the limiting ring 10 drives the filter ring 9 to revolve, when the filter ring 9 revolves, the metal powder on the upper surface can move outwards under the action of centrifugal force, when the metal powder moves outwards, the limiting thickness of the block ring 12 can be blocked, and the metal powder rolls outwards along the surface of the filter ring 9, the metal powder is rolled and filtered, the moving activity of the metal powder is improved, the metal powder is fully contacted with the filtering ring 9, the filtering efficiency is improved, impurities in the rolling filtering mode can also roll and move towards the outer side, the impurities are not easy to block in the filtering holes, the inner wall of the limiting ring 10 is provided with a limiting clamping groove 15, the supporting plate 14 is clamped in the limiting clamping groove 15, the top of the filtering ring 9 is provided with an auxiliary filtering hole, the top of the auxiliary filtering hole is fixedly provided with a filtering convex cover 16, the distance between the plane of the top of the filtering convex cover 16 and the filtering ring 9 is 20mm, the filtering area is enlarged through the filtering convex cover 16, the filtering efficiency is improved, the inside of the copying filtering hole is fixedly provided with a separation blade 18 through a cross rod, the separation blade 18 extends to the upper side of the filtering convex cover 16, the width of the separation blade 18 is smaller than the diameter of the opening at the top of the filtering convex cover 16, the cross sectional shape of separation blade 18 is "+" shape, large granule metal powder or magazine to not sieving through filtering protruding cover 16 through separation blade 18 blocks, make impurity drop into to communicating pipe 17 inside downwards through filtering protruding cover 16 open-top, and fall into to the inside of shell 1 along communicating pipe 17, thereby can reject partial impurity on the way that the screening is filterable, the efficiency of screening is influenced to the filtration pore that prevents impurity jam, the top inner wall of filtering protruding cover 16 and the position fixed mounting who is located the opening outside have communicating pipe 17, communicating pipe 17 leans on the lower extreme to run through and connects workbin 5.

When the metal powder rolling type filtering device is used, metal powder to be screened is thrown into the shell 1 through the feeding pipeline 3, the metal powder falls to the top of the air guide sleeve 11 and diffuses outwards, the power motor 13 is started, the support plate 14 is driven to rotate through the power motor 13, the support plate 14 drives the limiting ring 10 to revolve along the circumferential direction, the limiting ring 10 drives the filtering ring 9 to revolve, the metal powder on the upper surface of the filtering ring 9 moves outwards under the action of centrifugal force when the filtering ring 9 revolves, the metal powder can be in the blocking limiting thickness of the blocking ring 12 when the metal powder moves outwards, the metal powder rolls outwards along the surface of the filtering ring 9, the metal powder is rolled and filtered, the moving activity of the metal powder is improved, the metal powder is fully contacted with the filtering ring 9, the filtering efficiency is improved, and impurities in the rolling type filtering mode can also roll outwards, impurities are not easy to block in the filtering holes, impurities which do not pass through the filtering move outwards along the upper part of the supporting baffle ring 8 and fall to the bottom part of the filtering holes (01), the filtering area is enlarged by the filtering convex cover 16, the filtering efficiency is improved, the baffle sheet 18 is used for blocking large-particle metal powder or magazines which are not screened by the filtering convex cover 16, so that impurities fall into the communicating pipe 17 downwards through the top opening of the filtering convex cover 16 and fall into the shell 1 along the communicating pipe 17, thereby can reject partial impurity on the way that the screening is filterable, the tiny metal powder that filters through filter ring 9 falls into downwards to connect workbin 5 inside and collect to the right side and discharge through blowdown pipeline 6, and the impurity of 1 inside collection of shell collects to the right side and discharges through blowdown pipeline 4 to the device filtering process is totally enclosed, and no raise dust has improved environmental protection effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a metal powder sieving mechanism for powder metallurgy, includes shell (1), its characterized in that: the bottom fixed mounting of shell (1) has location support stake (2), the top of location support stake (2) runs through shell (1) and extends the inside of shell (1), the top fixed mounting of location support stake (2) has material receiving box (5), the top of shell (1) and the position fixed mounting who is located the centre have material inlet pipe way (3), the outer wall of shell (1) is located the position fixed mounting who leans on the bottom and has impurity removing pipe way (4), the outer wall of material receiving box (5) is located the position fixed mounting who leans on the bottom and has material removing pipe way (6), the one end that material receiving box (5) was kept away from in material removing pipe way (6) runs through shell (1) and extends the outside of shell (1), the top of material receiving box (5) is inlayed and is had support ball (7), the top of support ball (7) is provided with support retaining ring (8), the inner wall fixed mounting who supports fender ring (8) has filtration ring (9), the top of filtering ring (9) is located position spacing ring (10) near the inner wall, the top fixed mounting of spacing ring (10) has kuppe (11), the top of filtering ring (9) has barrier ring (12) through support fixed mounting, the bottom fixed mounting of shell (1) has motor power (13), motor power's (13) output runs through shell (1) and connects workbin (5) and extend the inboard of spacing ring (10), motor power's (13) output fixed mounting has backup pad (14), spacing draw-in groove (15) have been seted up to the inner wall of spacing ring (10), backup pad (14) joint is in the inside of spacing draw-in groove (15), filter the top of ring (9) and seted up supplementary hole of crossing, the top fixed mounting who supplementary hole of crossing has filtration convex closure (16), the inside of supplementary filtration pore has separation blade (18) through horizontal pole fixed mounting, separation blade (18) extend the top of filtering convex cover (16), and the top inner wall of filtering convex cover (16) and the position fixed mounting that is located the opening outside have communicating pipe (17), the lower extreme that leans on of communicating pipe (17) runs through and connects workbin (5).

2. The metal powder screening apparatus for powder metallurgy according to claim 1, wherein: the distance between the plane of the top of the filtering convex cover (16) and the filtering ring (9) is 20 mm.

3. The metal powder screening apparatus for powder metallurgy according to claim 1, wherein: the distance between the bottom of the stop ring (12) and the filter ring (9) is 10 mm.

4. The metal powder screening apparatus for powder metallurgy according to claim 1, wherein: the bottom of shell (1) and material receiving box (5) all inclines to the right side, and row material pipeline (6) are in the lowest of material receiving box (5), arrange miscellaneous pipeline (4) and are in the lowest of shell (1).

5. The metal powder screening apparatus for powder metallurgy according to claim 1, wherein: the power motor (13) and the bottom center of the support plate (14) are fixedly arranged at the position which is deviated from the left side, and the length of the support plate (14) is equal to the diameter of the inner wall of the limiting clamping groove (15).

6. The metal powder screening apparatus for powder metallurgy according to claim 1, wherein: the width of the baffle (18) is smaller than the diameter of the top opening of the filtering convex cover (16), and the cross section of the baffle (18) is in a star shape.