CN219168909U

CN219168909U - Combined powder screening device

Info

Publication number: CN219168909U
Application number: CN202223470314.7U
Authority: CN
Inventors: 沈远亮
Original assignee: Wuhan Steel New Material Co ltd
Current assignee: Wuhan Steel New Material Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-13
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a combined powder screening device; the utility model relates to a powder screening technical field, specifically include the base and set up the protective housing at the base top, vibrating motor is installed to the bottom of protective housing, first spiral pusher is installed at the left side top of protective housing, the inside of protective housing is provided with screening bucket, set up the screen cloth on the inner wall of screening bucket, the inner chamber bottom of screening bucket is provided with the receipts workbin; according to the utility model, the first spiral pusher is designed on the protective shell, and the structures such as the driving motor, the lifting frame, the material guiding frame, the second spiral pusher, the electric push rod and the material guiding disc are arranged at the position close to the protective shell, so that the powder sieving device which is more time-saving and labor-saving and has higher sieving efficiency can be combined with the sieving device, and the step of lifting the iron powder barrel for feeding by workers can be omitted through automatic lifting and automatic discharging of powder.

Description

Combined powder screening device

Technical Field

The utility model relates to the technical field of powder screening, in particular to a combined type powder screening device.

Background

Iron powder, which is an aggregate of iron particles having a size of less than 1mm, is a main raw material for powder metallurgy.

In order to achieve the best use effect of the iron powder, it is necessary to ensure that the iron powder is in a powder state, and it is also necessary to avoid the use of the iron powder together with the doped impurities. However, since the crushing and grinding of metals are different from those of other brittle materials, the primary powder is required to be sieved to obtain powder with particle size, and the large-particle-size granular powder is required to be classified for storage or secondary grinding, when large-particle metals or impurities are doped in the primary powder, a powder sieving device is required to realize sieving of the powder, so that the large-particle metals or other impurities in the powder are removed. The existing powder screening device generally screens powder in a vibration mode, one of the necessary steps in the screening process is to put the powder at a lower position into the screening device from a feed inlet at a higher position, and the step generally requires a worker to lift a bucket filled with iron powder to pour or put the powder into the feed inlet of the screening device one spoon, and the feeding process can last for a period of time, so that the period of time requires the worker to continuously lift the iron powder bucket, so that the action of the worker is restrained, and more physical strength of the worker is consumed, so that the efficient screening of the powder is not facilitated.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a combined powder screening device, which has the advantages of being capable of combining into a powder screening device with time and labor saving by adopting a powder lifting structure with a matched design.

The utility model relates to a combined powder screening device which comprises a base and a protective shell arranged at the top of the base, wherein a vibrating motor is arranged at the bottom of the protective shell, a first spiral pusher is arranged at the top of the left side of the protective shell, a screening barrel is arranged in the protective shell, a screen is arranged on the inner wall of the screening barrel, and a material receiving box is arranged at the bottom of an inner cavity of the screening barrel; the left side of base still is fixed with the fixed plate, driving motor is installed to one side of fixed plate bottom, driving motor's power take off shaft is fixed with the lead screw and the movable sleeve is equipped with the sliding body on the lead screw, the welding of one side of sliding body has the lifting frame, integrated into one piece has the material guiding frame and installs the second spiral pusher on the discharge gate of bottom on the inner wall of lifting frame, the second spiral pusher communicates first spiral pusher through a guide disc.

As a further improvement of the utility model, an opening is formed at the bottom of the right side of the lifting frame, and a discharge hole of the second spiral pusher penetrates through the opening; the bottom of lifting frame is fixed with the bottom plate, electric putter is installed in the inner wall left side of bottom plate, be fixed with the ejector pad on electric putter's the output, one side fixedly connected with that the ejector pad kept away from electric putter is the guide of U-shaped.

As a further improvement of the utility model, limit grooves are formed on the right side of the bottom of the lifting frame and the right side of the top of the bottom plate, and limit blocks are fixed on the top and the bottom of the push block and are in sliding connection with the limit grooves.

As a further improvement of the utility model, a feed hopper is fixed on the feed inlet of the first spiral pusher, and the discharge outlet of the first spiral pusher extends to the inside of the protective shell and is positioned at the top of the screening barrel.

As a further improvement of the utility model, limit supporting rods are movably penetrated through the front side, the rear side and the back side of the lifting frame of the sliding body, and the bottoms of a plurality of limit supporting rods are fixedly connected to the top of the fixed plate.

As a further improvement of the utility model, three layers of screens are fixed on the inner wall of the screening barrel, the apertures of the three layers of screens on the inner wall of the screening barrel are sequentially reduced from top to bottom, discharging pipes are communicated on the side wall of the screening barrel and near the position of each layer of screens, the discharging holes of the discharging pipes penetrate through and extend out of the protective shell, each layer of screens incline towards the discharging pipe at the corresponding position, and the bottom of the inner wall of each discharging pipe is of an inclined structure design.

As a further improvement of the utility model, the left side and the right side of the base are also fixed with supporting rods, the tops of the supporting rods are fixed with springs and are fixed with the side wall of the protective shell through connecting blocks, and the bottom of the protective shell is annularly provided with a plurality of springs and is fixed with the top of the base.

As a further improvement of the utility model, the top of the protective shell is provided with a cover body, the front of the protective shell is provided with two square openings penetrating through the screening barrel, each square opening is provided with a single opening window, the two single opening windows correspond to two layers of screens at the top of the screening barrel, and the material receiving box is positioned at the bottom of the screen at the bottom of the screening barrel.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the first spiral pusher designed on the protective shell, and the structures such as the driving motor, the lifting frame, the material guiding frame, the second spiral pusher, the electric push rod, the material guiding disc and the like arranged at the position close to the protective shell, the powder sieving device which is more time-saving and labor-saving in use and higher in sieving efficiency can be further combined with the sieving device, the step of lifting the iron powder barrel by workers to feed materials can be omitted through automatic lifting and automatic blanking of the powder, and the workers can freely move and perform other works during blanking, so that the burden of the workers can be effectively reduced and the sieving efficiency of the powder can be improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic cross-sectional view of the front face of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of the utility model at A in FIG. 1;

FIG. 3 is a schematic elevational view of the present utility model;

FIG. 4 is a right side view of the lifting frame of the present utility model;

fig. 5 is a schematic top view of the lifting frame of the present utility model.

In the figure: 1. a base; 2. a protective housing; 3. screening barrels; 4. a screen; 5. a vibration motor; 6. a support rod; 7. a spring; 8. a discharge pipe; 9. a material receiving box; 12. a first screw pusher; 13. a feed hopper; 14. a fixing plate; 15. a driving motor; 16. a screw rod; 17. a slide body; 18. lifting the frame; 1801. a material guiding frame; 1802. an opening; 19. a second screw pusher; 20. a bottom plate; 21. an electric push rod; 22. a pushing block; 23. a limit groove; 24. a material guiding disc; 25. a limit strut; 26. and (5) single window opening.

Detailed Description

Various embodiments of the present utility model are disclosed in the following drawings, which are presented in sufficient detail to provide a thorough understanding of the present utility model. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the sake of simplicity of illustration, some well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1-5, the combined powder screening device of the utility model comprises a base 1 and a protective shell 2 arranged at the top of the base 1, wherein a vibrating motor 5 is arranged at the bottom of the protective shell 2, a first spiral pusher 12 is arranged at the top of the left side of the protective shell 2, a screening barrel 3 is arranged in the protective shell 2, a screen 4 is arranged on the inner wall of the screening barrel 3, a material receiving box 9 is arranged at the bottom of the inner cavity of the screening barrel 3, and the material receiving box 9 can receive powder screened by the multi-layer screen 4, thereby facilitating subsequent uniform collection; the left side of base 1 still is fixed with fixed plate 14, driving motor 15 is installed to one side of fixed plate 14 bottom, driving motor 15's power take off shaft is fixed with lead screw 16 and lead screw 16 goes up movable sleeve and is equipped with slider 17, one side welding of slider 17 has lifting frame 18, integrated into one piece has guide frame 1801 and installs second spiral pusher 19 on the discharge gate of bottom on lifting frame 18's the inner wall, second spiral pusher 19 communicates first spiral pusher 12 through a guide disc 24, be fixed with feeder hopper 13 on the feed inlet of first spiral pusher 12, the discharge gate of first spiral pusher 12 extends to the inside of protective housing 2 and is located the top of screening bucket 3, pay-off in the screening bucket 3 through the mode of upper and lower lifting, can conveniently be to the lifting frame 18 in the material loading, and thereby also can descend lifting frame 18 in the later stage and clean it.

In the embodiment, an opening 1802 is formed in the bottom of the right side of the lifting frame 18, and a discharge hole of the second screw pusher 19 penetrates through the opening 1802; a bottom plate 20 is fixed at the bottom of the lifting frame 18, an electric push rod 21 is arranged on the left side of the inner wall of the bottom plate 20, a push block 22 is fixed at the output end of the electric push rod 21, a U-shaped material guiding disc 24 is fixedly connected to one side of the push block 22 away from the electric push rod 21, and when the lifting frame 18 needs to ascend or descend, the electric push rod 21 is only required to be started to retract an output shaft of the electric push rod 21, so that the material guiding disc 24 can be driven to retract to the bottom of the lifting frame 18, and the material guiding disc 24 can be prevented from being contacted with the first spiral pusher 12; limiting grooves 23 are formed in the right side of the bottom of the lifting frame 18 and the right side of the top of the bottom plate 20, limiting blocks are fixed to the top and the bottom of the push block 22 and are slidably connected to the limiting grooves 23, and in order to enable the guide disc 24 to have better stability in moving and bearing, auxiliary sliding and stabilizing structures composed of the push block 22, the limiting grooves 23 and other structures are added.

In the embodiment, the front side, the rear side and the back side of the sliding body 17 and the lifting frame 18 are movably penetrated with limit struts 25, and the bottoms of the limit struts 25 are fixedly connected to the top of the fixed plate 14; the plurality of limit struts 25 can limit the track of the slider 17 and the lifting frame 18 when moving up and down, and can improve the stability of the lifting frame 18 when moving up and down.

In the embodiment, three layers of screens 4 are fixed on the inner wall of the screening barrel 3, the apertures of the three layers of screens 4 on the inner wall of the screening barrel 3 are sequentially reduced from top to bottom, discharging pipes 8 are communicated on the side wall of the screening barrel 3 and close to the position of each layer of screens 4, the discharging holes of the discharging pipes 8 penetrate through and extend out of the protective shell 2, each layer of screens 4 incline towards the discharging pipe 8 at the corresponding position, and the bottom of the inner wall of each discharging pipe 8 is also in an inclined structure design; through the inside composite mounting aperture size different at screening bucket 3 screen cloth 4, can realize the multilayer screening to the powder, make its effect of screening better, more be favorable to subsequent use, and the whereabouts of powder can be favorable to screen cloth 4 and discharging pipe 8 of slope.

In the embodiment, the left and right sides of the base 1 are also fixed with support rods 6, the top of each support rod 6 is fixed with a spring 7 and is fixed with the side wall of the protective shell 2 through a connecting block, and the bottom of the protective shell 2 is annularly provided with a plurality of springs 7 and is fixed with the top of the base 1; can cooperate vibrating motor 5 to make screening bucket 3 vibrate, and side and bottom all set up spring 7 can further promote stability.

In this embodiment, a cover body is arranged at the top of the protective housing 2, two square openings penetrating through the screening barrel 3 are formed in the front of the protective housing 2, a single open window 26 is mounted on each square opening, the two single open windows 26 correspond to two layers of screens 4 at the top of the screening barrel 3, and a material receiving box 9 is located at the bottom of the screens 4 at the bottom of the screening barrel 3; the single window 26 can conveniently run through the inside condition of screening bucket 3 on the one hand, and on the other hand conveniently opens single window 26 and clear up the screen cloth 4 of corresponding position subsequently, and set up the lid at the top of protecting sheathing 2, then carry out airtight with whole protecting sheathing 2, avoid screening process dust to fly away in the air.

When the utility model is used, a worker firstly starts the driving motor 15 and rotates the screw rod 16, drives the sliding body 17 to move downwards, finally enables the bottom of the bottom plate 20 to be attached to the top of the fixed plate 14, then the worker can directly pour the iron powder with impurities into the lifting frame 18 at a lower position, and enable the powder to enter the material guiding frame 1801, then restarts the driving motor 15 and enables the screw rod 16 to rotate again and lift the lifting frame 18 again through the sliding body 17, when the lifting frame 18 is at a high point, the driving motor 15 is closed, then starts the electric push rod 21, pushes the push block 22 to move to the right side through the output shaft of the electric push rod 21, pushes the material guiding disc 24 to be attached to the top of the material feeding hopper 13, finally starts the first spiral pusher 12 and the second spiral pusher 19, the powder in the material guiding frame 1801 is conveyed into the material feeding hopper 13 through the bearing of the material guiding disc 24, the first spiral pusher 12 conveys the powder in the material feeding hopper 13 into the inside of the screening barrel 3, and sequentially passes through the screening 4, the larger powder particles or the three layers of the powder are sequentially pulled out of the screening barrel 3 and sequentially after the three layers of the powder particles are sequentially discharged from the screening barrel 9, and finally crushed and the powder is discharged from the material feeding hopper 9, and the powder is finally crushed, and the powder is discharged from the material screening material is discharged from the material hopper 9.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the scope of the claims of the present utility model.

Claims

1. The utility model provides a modular powder screening plant, includes base (1) and sets up protective housing (2) at base (1) top, vibrating motor (5), its characterized in that are installed to the bottom of protective housing (2): a first spiral pusher (12) is arranged at the top of the left side of the protective shell (2), a screening barrel (3) is arranged in the protective shell (2), a screen (4) is arranged on the inner wall of the screening barrel (3), and a material receiving box (9) is arranged at the bottom of the inner cavity of the screening barrel (3);

the left side of base (1) still is fixed with fixed plate (14), driving motor (15) are installed to one side of fixed plate (14) bottom, the power take off shaft of driving motor (15) is fixed with lead screw (16) and lead screw (16) go up the movable sleeve and is equipped with sliding body (17), one side welding of sliding body (17) has lifting frame (18), integrated into one piece has guide frame (1801) and installs second spiral pusher (19) on the discharge gate of bottom on the inner wall of lifting frame (18), second spiral pusher (19) are through a guide disc (24) intercommunication first spiral pusher (12).

2. A modular powder screening apparatus as claimed in claim 1, wherein: an opening (1802) is formed in the bottom of the right side of the lifting frame (18), and a discharge hole of the second spiral pusher (19) penetrates through the opening (1802);

the bottom of lifting frame (18) is fixed with bottom plate (20), electric putter (21) are installed in the inner wall left side of bottom plate (20), be fixed with ejector pad (22) on the output of electric putter (21), one side that ejector pad (22) kept away from electric putter (21) fixedly connected with is guide dish (24) of U-shaped.

3. A modular powder screening apparatus as claimed in claim 2, wherein: limiting grooves (23) are formed in the right side of the bottom of the lifting frame (18) and the right side of the top of the bottom plate (20), and limiting blocks are fixed to the top and the bottom of the push block (22) and are slidably connected in the limiting grooves (23).

4. A modular powder screening apparatus as claimed in claim 1, wherein: the feeding hopper (13) is fixed on the feeding hole of the first spiral pusher (12), and the discharging hole of the first spiral pusher (12) extends to the inside of the protective shell (2) and is positioned at the top of the screening barrel (3).

5. A modular powder screening apparatus as claimed in claim 1, wherein: limiting support rods (25) movably penetrate through the front side, the rear side and the back side of the sliding body (17) and the back of the lifting frame (18), and the bottoms of the limiting support rods (25) are fixedly connected to the top of the fixing plate (14).

6. A modular powder screening apparatus as claimed in claim 1, wherein: three-layer screen cloth (4) are fixed with on the inner wall of screening bucket (3), and the aperture of three-layer screen cloth (4) on the inner wall of screening bucket (3) reduces from last down in proper order, all communicate on the lateral wall of screening bucket (3) and be close to the position department of every layer of screen cloth (4) and have discharging pipe (8), the discharge gate of discharging pipe (8) runs through and extends the outside of protective housing (2), and the discharging pipe (8) slope of every layer of screen cloth (4) all towards corresponding position, and the inner wall bottom of every discharging pipe (8) is slope structural design too.

7. A modular powder screening apparatus as claimed in claim 1, wherein: the left and right sides of base (1) still is fixed with bracing piece (6), the top of bracing piece (6) is fixed with spring (7) and is fixed with the lateral wall of protecting sheathing (2) through the connecting block, the bottom of protecting sheathing (2) is the annular and is provided with a plurality of springs (7) and is in the same place fixed with the top of base (1).

8. A modular powder screening apparatus as claimed in claim 1, wherein: the top of protective housing (2) is provided with the lid, two square mouthfuls that run through screening bucket (3) are offered in the front of protective housing (2), and all install single window (26) on every square mouthfuls, and two single windows (26) correspond two-layer screen cloth (4) at screening bucket (3) top, receive workbin (9) and be located the bottom of screening bucket (3) bottom screen cloth (4).