CN216174146U - Sieving mechanism is used in preparation of nanometer silver powder - Google Patents

Abstract

The utility model discloses a screening device for preparing nano-silver powder, which comprises an outer shell, wherein a plurality of half threaded rods are fixedly arranged at the upper part of each bearing plate, a screen box is arranged in the outer shell, compression springs are arranged on the half threaded rods and between a fixed plate and the bearing plates, fixing nuts are arranged on the half threaded rods and on the fixed plate in a threaded matching manner, and a vibration motor is fixedly arranged at the upper part of the protective shell. According to the utility model, the screen box is utilized to screen the nano silver powder, the inclined screen plate can separate coarse powder and fine powder from the nano silver powder by utilizing the vibration effect generated by the vibration motor, the coarse powder can automatically enter the coarse powder discharge port under the action of gravity and vibration, the fine powder can automatically enter the fine powder discharge port, the device can continuously operate, and the semi-threaded rod, the fixing nut and the compression spring are arranged, so that the amplitude of the screen box can be adjusted, the screen box can achieve the best vibration effect, the screening efficiency is improved, and the working progress is improved.

Description

Sieving mechanism is used in preparation of nanometer silver powder

Technical Field

The utility model relates to the technical field of screening devices, in particular to a screening device for preparing nano silver powder.

Background

Ultrafine silver powder is an important material in the electrical and electronic industries, and is a noble metal powder which is widely applied in the electronic industry. The silver nanoparticles have a special structure, so that the silver nanoparticles generate a small-size effect, a quantum-size effect, a surface effect and a macroscopic quantum tunneling effect, and have physical and chemical properties which are not possessed by the traditional materials. The nano silver particles have an extremely important position in the fields of surface enhanced Raman spectroscopy, surface enhanced resonance scattering spectroscopy, molecular biology, supermolecular systems and the like, and are one of important materials for basic theoretical research.

At present, present nanometer silver powder sieving mechanism is mostly put the box by the middlings and is collected box an organic whole with the farine and form, and this fixed mounting of both has the screening baffle, put in the raw materials to the middlings during use and put the box, make the farine in the raw materials fall into the farine under shock dynamo's effect and collect the box, realize the screening of silver powder, above-mentioned nanometer silver powder sieving mechanism still exists the weak point, when present nanometer silver powder sieving mechanism screening work goes on certain degree, the middlings and the farine of silver powder can form and push away the collection, need the middlings and the farine of silver powder to clear up, just can continue to work, can not continuity work, and because silver powder proportion is less, be not convenient for take out, the cleaning work is slower, influence efficiency.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving the above problems and to providing a screening apparatus for preparing nano silver powder.

The utility model realizes the purpose through the following technical scheme:

the utility model provides a sieving mechanism is used in silver powder preparation, includes the shell body, the both sides of shell body inner wall are all fixed to be provided with accepts the board, each accept board upper portion and all fixedly be provided with a plurality of semi-threaded rods, be provided with the sieve case in the shell body, the sieve case includes oblique sieve board and protective housing, just be located on the lateral wall of protective housing both sides the relative department of semi-threaded rod is all fixed and is provided with the fixed plate, and each the fixed plate suit setting is corresponding respectively on the semi-threaded rod, on the semi-threaded rod just be located the fixed plate with accept and be provided with compression spring between the board, on the semi-threaded rod just be located equal thread matching is provided with fixation nut on the fixed plate, the fixed vibrating motor that is provided with in protective housing upper portion.

Preferably, the feeding funnel is fixedly arranged on the upper portion of the outer shell, the feeding inlet is formed in the position, opposite to the feeding funnel, of the upper portion of the protective shell, and the nano-silver raw materials are conveniently put in.

Preferably, a coarse powder discharge port is fixedly formed in the outer shell and located at the tail end of the inclined sieve plate, so that discharging of the nano-silver coarse powder is facilitated.

Preferably, the bottom of the outer shell is provided with an inclined plate, and a fine powder discharge hole is fixedly formed in the outer shell and located at the lowest end of the inclined plate, so that the nano-silver fine powder can be discharged conveniently.

Preferably, the bottom of the outer shell is fixedly provided with a plurality of supporting legs, and each supporting leg is fixedly provided with a rubber pad to prevent the ground from being damaged.

Preferably, the optimal inclination angle of the inclined sieve plate is 10-30 degrees, the optimal angle can be adjusted according to the condition of the nano-silver raw material, and the device is guaranteed to have high screening efficiency when the nano-silver raw material can be screened completely.

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

1. utilize the sieve case to filter nanometer silver powder, the sieve case includes oblique sieve board and protective housing, the vibration effect who utilizes vibrating motor to produce, oblique sieve board can be separated out middlings and farine in the nanometer silver powder, the middlings is stayed on oblique sieve board, can get into the middlings discharge gate automatically under the effect of gravity and vibration, the farine can drop on the swash plate after being separated, can get into the farine discharge gate automatically under the effect of gravity and vibration, the staff only need collect middlings and farine at middlings discharge gate and farine discharge gate, the device can continuity operation, need not to shut down midway.

2. Set up half threaded rod, fixation nut and compression spring, can adjust compression spring's compression degree through adjusting fixation nut to can adjust the amplitude of sieve case, make the sieve case reach the best vibration effect, improve the screening efficiency, improve the job schedule.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an isometric view of a screening apparatus for preparing silver nanopowder in accordance with the present invention;

FIG. 2 is a main perspective sectional view of a screening apparatus for preparing nano-silver powder according to the present invention;

fig. 3 is a left-view angle sectional view of the screening apparatus for preparing silver nanopowder according to the present invention.

The reference numerals are explained below:

1. an outer housing; 2. a feed hopper; 3. supporting legs; 4. a sloping plate; 5. a bearing plate; 6. a compression spring; 7. a half-threaded rod; 8. fixing a nut; 9. a screen box; 10. a fixing plate; 11. an inclined sieve plate; 12. a protective shell; 13. a vibration motor; 14. a feed inlet; 15. a coarse powder discharge hole; 16. and a fine powder outlet.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be further described with reference to the accompanying drawings in which:

example 1

As shown in fig. 1-3, a sieving mechanism for preparing nano silver powder, including outer casing 1, the both sides of outer casing 1 inner wall are all fixed and are provided with accept board 5, each is accepted board 5 upper portion and is all fixed and is provided with a plurality of semi-threaded pole 7, be provided with sieve case 9 in the outer casing 1, sieve case 9 includes inclined sieve board 11 and protective housing 12, and it is all fixed to be provided with fixed plate 10 just to be located the relative department of semi-threaded pole 7 on the lateral wall of protective housing 12 both sides, and each fixed plate 10 respectively the suit sets up on corresponding semi-threaded pole 7, be provided with compression spring 6 on semi-threaded pole 7 and lie in fixed plate 10 and accept between the board 5, it is provided with fixation nut 8 just to lie in on fixed plate 10 and all screw thread matches on semi-threaded pole 7, the fixed vibrating motor 13 that is provided with in protective housing 12 upper portion.

Preferably: the fixed feed hopper 2 that is provided with in 1 upper portion of shell body, the feed inlet 14 has been seted up on 12 upper portions of protective housing and lie in 2 relative departments of feed hopper, the raw materials of being convenient for are put in, on 1 shell body and lie in 11 end fixed coarse powder discharge gates 15 of oblique sieve, be convenient for the ejection of compact of nanometer silver coarse powder, 1 bottom of shell body sets up to swash plate 4, on 1 shell body and lie in 4 fixed the being provided with the farine discharge gate 16 of swash plate 4 minimum, be convenient for the ejection of compact of nanometer silver farine, 1 fixed a plurality of supporting legs 3 that are provided with in bottom of shell body, and each supporting leg 3 is all fixed and is provided with the rubber pad, prevent to damage ground, 11 optimal inclination of oblique sieve is 10-15 degrees, can adjust the best angle according to the nanometer silver raw materials condition, guarantee that this device can sieve clean screening efficiency when screening nanometer silver raw materials.

The working principle is as follows: the utility model discloses a silver powder screening device, which comprises a feeding hopper 2, a feeding port 14, a vibrating motor 13, a screen box 9, an inclined screen plate 11, a protective shell 12, a fine powder outlet 16, a fine powder outlet 15, a fine powder outlet 16, a coarse powder outlet 15, a fine powder outlet 16, a fine powder outlet 9, a fine powder outlet 16, a fine powder outlet 9, a fine powder outlet, the fixing nut 8 can be adjusted downwards to increase the compression degree of the compression spring 6, and when the vibration motor 13 works, the amplitude of the screen box 9 is reduced, the vibration effect is weakened, and the loss of the device is reduced; when the relatively poor fine powder of nanometer silver powder raw materials quality was difficult to sieve out, can make compression spring 6's compression degree reduce by upwards adjusting fixation nut 8, vibrating motor 13 during operation, and vibration frequency is unchangeable, and the increase of sieve case 9 amplitude, the vibration effect increase, the screening effect is better.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (6)

1. The utility model provides a sieving mechanism is used in preparation of nanometer silver powder, includes shell body (1), its characterized in that: bearing plates (5) are fixedly arranged on two sides of the inner wall of the outer shell (1), a plurality of semi-threaded rods (7) are fixedly arranged on the upper part of each bearing plate (5), a screen box (9) is arranged in the outer shell (1), the screen box (9) comprises an inclined screen plate (11) and a protective shell (12), the side walls at the two sides of the protective shell (12) and the opposite positions of the half threaded rods (7) are both fixedly provided with a fixed plate (10), and each fixing plate (10) is respectively sleeved on the corresponding half threaded rod (7), a compression spring (6) is arranged on the semi-threaded rod (7) and between the fixing plate (10) and the bearing plate (5), the semi-threaded rod (7) is located a fixing nut (8) is arranged on the fixing plate (10) in a threaded matching mode, and a vibration motor (13) is fixedly arranged on the upper portion of the protective shell (12).

2. The screening apparatus for silver nanopowder preparation according to claim 1, wherein: the feeding hopper (2) is fixedly arranged on the upper portion of the outer shell (1), and the feeding opening (14) is formed in the position, opposite to the feeding hopper (2), on the upper portion of the protective shell (12).

3. The screening apparatus for silver nanopowder preparation according to claim 1, wherein: and a coarse powder discharge hole (15) is fixedly formed in the outer shell (1) and positioned at the tail end of the inclined sieve plate (11).

4. The screening apparatus for silver nanopowder preparation according to claim 1, wherein: the bottom of the outer shell (1) is provided with an inclined plate (4), and a fine powder discharge hole (16) is fixedly arranged on the outer shell (1) and is positioned at the lowest end of the inclined plate (4).

5. The screening apparatus for silver nanopowder preparation according to claim 1, wherein: the bottom of the outer shell (1) is fixedly provided with a plurality of supporting legs (3), and each supporting leg (3) is fixedly provided with a rubber pad.

6. The screening apparatus for silver nanopowder preparation according to claim 1, wherein: the optimal inclination angle of the inclined sieve plate (11) is 10-30 degrees.

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