CN217963491U - Metal powder vibration screening machine - Google Patents

Abstract

The utility model belongs to the technical field of the vibration screening machine, refer in particular to a metal powder vibration screening machine, including screening barrel, screening end cover, the feed inlet has been seted up on the screening end cover, and discharging channel has been seted up to the bottom of screening barrel, is equipped with the filter screen on the screening barrel, and the last port department of screening barrel is equipped with the connection ring body, and the screening end cover is established in the last port department of connecting the ring body, has seted up the annular groove on the lower terminal surface of connection ring body, is equipped with the clamping ring in the annular groove, and the outside border setting of filter screen is between annular groove and clamping ring. The utility model discloses an install the connection ring body additional in the screening barrel for the outside of filter screen is along can being closely the centre gripping between annular groove and clamping ring, simultaneously, is the concave-convex structure cooperation between annular groove and the clamping ring, has effectively prolonged the centre gripping area of filter screen between annular groove and clamping ring, not only connects stably, reliably, and also can ensure that metal powder and impurity fall down from the cooperation gap between annular groove and the clamping ring.

Description

Metal powder vibration screening machine

The technical field is as follows:

the utility model belongs to the technical field of the vibration screening machine, refer in particular to a metal powder vibration screening machine.

Background art:

in the production of non-ferrous metal materials and auxiliary materials and the manufacturing process of forgings and powder metallurgy products, metal powder is often required to be used, in order to screen the metal powder with different size grades, the large impurities contained in the metal powder are removed simultaneously, the product quality is improved, and a metal powder screening device is used for screening the metal powder.

Wherein, the ultrasonic vibration screening machine that current chinese utility model patent (grant bulletin No. CN 206356235U) disclosed, it is including the frame, be provided with the framework that is used for holding the material in the frame, be provided with in the framework and be arranged in the material import of the framework of packing into the material into, be provided with sieve material portion in the framework, be provided with coarse fodder play nozzle in the framework of sieve material portion upside, be provided with fine material play nozzle in the framework of sieve material portion downside. Wherein, sieve material portion is including outer loop and the connecting rod of setting on the outer loop, be provided with the rack on the connecting rod, the rack upper end is provided with the screen cloth, the lower extreme is provided with the transducer. The energy converter drives the net rack and the screen to vibrate together, so that the metal powder falls through the screen and the impurities are blocked by the screen, and the separation of the metal powder and the impurities is realized. However, the screen mesh is only placed on the net rack and does not have a tight connection fit with the net rack and the frame body, and a certain fit gap exists, so that metal dust and impurities easily fall from the fit gap during the screening operation, and finally, the screening effect is poor.

The invention content is as follows:

the utility model aims at providing a metal powder vibration screening machine, its technical problem that will solve is: how to install the filter screen closely in the screen cylinder body to avoid metal powder and impurity to fall from the cooperation gap.

The utility model discloses a realize like this:

the utility model provides a metal powder vibration screening machine, establishes the screening end cover at screening barrel up end department including screening barrel and lid, has seted up the feed inlet on the screening end cover, and discharging channel has been seted up to the bottom of screening barrel, is located to be equipped with the filter screen on the screening barrel between feed inlet and the discharging channel, the up end department of screening barrel is equipped with the connection ring body, and the outer wall of the upper end of connection ring body is equipped with the annular support arch that supports and lean on screening barrel up end, screening end cover establishes in the up end department of connecting the ring body, connects and has seted up the annular groove on the lower terminal surface of ring body, is equipped with the clamping ring in the annular groove, the outside border setting of filter screen between annular groove and clamping ring, and form the centre gripping clearance that carries out the centre gripping to the filter screen between annular groove and the clamping ring.

In the above metal powder vibration screening machine, the annular groove is an open groove structure and is provided at the outer edge of the lower end of the connecting ring body.

In foretell metal powder vibration screening machine, it has a plurality of lower connecting hole to wind its circumference equipartition on the clamping ring, set up on the annular groove with lower connecting hole one-to-one's last connecting hole, fastening screw's tail end from upwards running through lower connecting hole down and it is fixed with last connecting hole spiro union.

In foretell metal powder vibration screening machine, the clamping ring is including annular base and the annular cushion of setting in annular base top, forms between the groove face of the top surface of annular cushion and annular groove the centre gripping clearance.

In the metal powder vibration screening machine, the inner edge of the upper end opening of the connecting ring body extends upwards to form an annular baffle, the bottom surface of the screening end cover is of an upwards-sunken groove structure, the annular baffle is inserted into the groove structure of the screening end cover, and the top surface of the annular baffle abuts against the bottom surface of the screening end cover.

In the metal powder vibration screening machine, the screening end cover is provided with the observation window, and the observation window is provided with the transparent observation plate body.

In the metal powder vibration screening machine, the screening end cover is provided with the metal detector, and the metal probe of the metal detector extends into the screening cylinder and is used for detecting the height of the metal powder in the screening cylinder.

In the metal powder vibration screening machine, a material receiving container for receiving metal powder falling from the discharge channel is arranged right below an outer port of the discharge channel, the material receiving container is arranged on a detection end of a weight detection device, and the weight of the material receiving container is measured by the weight detection device.

Compared with the prior art, the utility model has the outstanding advantages that:

the utility model discloses an install the connection ring body additional in the screening barrel for the outside of filter screen is along can being closely the centre gripping between annular groove and clamping ring, simultaneously, is the concave-convex structure cooperation between annular groove and the clamping ring, has effectively prolonged the centre gripping area of filter screen between annular groove and clamping ring, not only connects stably, reliably, and also can ensure that metal powder and impurity fall down from the cooperation gap between annular groove and the clamping ring.

Description of the drawings:

fig. 1 is an overall perspective view of the present invention;

FIG. 2 is a matching structure diagram between the screening cylinder and the connecting ring body of the present invention;

fig. 3 is a perspective view of the connection ring body of the present invention.

In the figure: 1. screening the cylinder; 2. screening end covers; 3. a feed inlet; 4. a connecting ring body; 5. an annular support boss; 6. pressing a ring; 7. a lower connection hole; 8. an annular base; 9. an annular rubber pad; 10. an annular baffle; 11. and (6) observing a window.

The specific implementation mode is as follows:

the invention will now be further described with reference to specific embodiments, with reference to figures 1 to 3:

the utility model provides a metal powder vibration screening machine, establishes the screening end cover 2 at screening 1 up end department including screening barrel 1 and lid, has seted up feed inlet 3 on the screening end cover 2, and discharging channel has been seted up to the bottom of screening barrel 1, is located to be equipped with the filter screen on the screening barrel 1 between feed inlet 3 and the discharging channel, the up end department of screening barrel 1 is equipped with and connects ring body 4, and the outer wall of the upper end of connecting ring body 4 is equipped with and supports the annular support arch 5 that supports on screening barrel 1 up end, screening end cover 2 lid is established in the up end department of connecting ring body 4, has seted up the annular groove on the lower terminal surface of connecting ring body 4, is equipped with clamping ring 6 in the annular groove, the outer border setting of filter screen between annular groove and clamping ring 6, and form the centre gripping clearance that carries out the centre gripping to the filter screen between annular groove and the clamping ring 6. Wherein, in this embodiment, the vibration source of vibration screening machine still adopts the transducer of setting on the rack among the prior art, and the rack erects in screening barrel 1, and is located the below of filter screen, drives rack and filter screen through the transducer and vibrates. And the feed inlet 3 on the screening end cover 2 can be communicated with the discharge ports of other equipment, so that metal powder can directly enter the screening cylinder 1 through the discharge ports.

The utility model discloses an install connection ring body 4 additional in screening barrel 1 for the outside of filter screen is along can be closely the centre gripping between annular groove and clamping ring 6, simultaneously, is the concave-convex structure cooperation between annular groove and the clamping ring 6, has effectively prolonged the centre gripping area of filter screen between annular groove and clamping ring 6, not only connects stably, reliably, and also can ensure that metal powder and impurity fall down from the cooperation gap between annular groove and the clamping ring 6.

Furthermore, in this embodiment, the specific arrangement structure of the annular groove is as follows: the annular groove is of an open slot structure and is arranged at the outer edge of the lower end of the connecting ring body 4.

And, the connected mode between clamping ring 6 and the annular groove can be for the tight fit of mistake, and in this embodiment, can change the filter screen for the convenience of later stage, there are connecting hole 7 under a plurality of around its circumference equipartition on the clamping ring 6, set up the last connecting hole with lower connecting hole 7 one-to-one on the annular groove, fastening screw's tail end from upwards running through lower connecting hole 7 down and its and last connecting hole spiro union are fixed.

Meanwhile, in order to enable the filter screen to be tightly clamped between the pressing ring 6 and the annular groove, the pressing ring 6 comprises an annular base 8 and an annular rubber pad 9 arranged above the annular base 8, and the clamping gap is formed between the top surface of the annular rubber pad 9 and the groove surface of the annular groove. Wherein, annular cushion 9 possesses certain elastic deformation, can effectively ensure the connection stability of filter screen to reducible filter screen and the cooperation wearing and tearing of clamping ring 6.

In addition, in order to reduce the overflow of the metal powder in the screening cylinder 1 from the connection ring body 4 to the screening end cover 2, the inner edge of the upper port of the connection ring body 4 extends upwards to form an annular baffle 10, the bottom surface of the screening end cover 2 is of an upwards-sunken groove structure, the annular baffle 10 is inserted into the groove structure of the screening end cover 2, and the top surface of the annular baffle abuts against the bottom surface of the screening end cover 2.

When the screening cylinder 1 is used for vibration screening, in order to enable a worker to observe the screening state of the metal powder in the screening cylinder 1, the screening end cover 2 is provided with an observation window 11, and a transparent observation plate body is arranged at the observation window 11. Moreover, the observation plate body can be made of glass or can be a subgrid plate.

In order to prevent the metal powder from being thrown into the screening cylinder 1 through the feed inlet 3 in an excessive amount and causing safety accidents such as deflagration, a metal detector is arranged on the screening end cover 2, and a metal probe of the metal detector extends into the screening cylinder 1 and is used for detecting the height of the metal powder in the screening cylinder 1. The equipment controller and metal detector electric connection promptly, when metal detector detected that metal powder reaches appointed level, then the equipment controller will control corresponding equipment and stop throwing in metal powder to the feed inlet 3 of screening barrel 1.

Meanwhile, in order to realize quantitative discharging of the metal powder, a material receiving container used for receiving the metal powder falling from the discharging channel is arranged right below an outer port of the discharging channel, the material receiving container is arranged on a detection end of the weight detection device, and the weight of the material receiving container is measured by the weight detection device. When the weight detection device measures that the weight of the material receiving container reaches a certain value, the equipment controller can control the screening cylinder 1 to stop vibrating so that the metal powder stops falling into the material receiving container from the discharging channel.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a metal powder vibration screening machine, establishes screening end cover (2) at screening barrel (1) upper end department including screening barrel (1) and lid, has seted up feed inlet (3) on screening end cover (2), and discharging channel has been seted up to the bottom of screening barrel (1), is located to be equipped with the filter screen on screening barrel (1) between feed inlet (3) and the discharging channel, its characterized in that: the utility model discloses a filter screen, including screening barrel (1), upper end mouth department, the outer wall of upper end of connecting ring body (4) is equipped with and supports protruding (5) by the annular on screening barrel (1) up end, screening end cover (2) lid is established at the upper end mouth department of connecting ring body (4), has seted up the annular groove on the lower terminal surface of connecting ring body (4), is equipped with clamping ring (6) in the annular groove, the outer border setting of filter screen between annular groove and clamping ring (6), and form the centre gripping clearance that carries out the centre gripping to the filter screen between annular groove and clamping ring (6).

2. The vibratory screening machine of metal powder as set forth in claim 1, wherein: the annular groove is of an open slot structure and is arranged at the outer edge of the lower end of the connecting ring body (4).

3. A metal powder vibratory screening machine as set forth in claim 1 or 2 wherein: a plurality of lower connecting holes (7) are uniformly distributed on the compression ring (6) in the circumferential direction, upper connecting holes corresponding to the lower connecting holes (7) one to one are formed in the annular groove, and the tail end of the fastening screw penetrates through the lower connecting holes (7) from bottom to top and is fixed with the upper connecting holes in a threaded manner.

4. The vibratory metal powder screening machine of claim 3, wherein: the clamping ring (6) comprises an annular base (8) and an annular rubber mat (9) arranged above the annular base (8), and a clamping gap is formed between the top surface of the annular rubber mat (9) and the groove surface of the annular groove.

5. The vibratory screening machine of metal powder as set forth in claim 1, wherein: the inner edge of the upper port of the connecting ring body (4) extends upwards to form an annular baffle (10), the bottom surface of the screening end cover (2) is of an upwards-sunken groove structure, the annular baffle (10) is inserted into the groove structure of the screening end cover (2), and the top surface of the annular baffle abuts against the bottom surface of the screening end cover (2).

6. The vibratory metal powder screening machine of claim 1, wherein: an observation window (11) is formed in the screening end cover (2), and a transparent observation plate body is arranged at the observation window (11).

7. The vibratory metal powder screening machine of claim 1, wherein: the screening end cover (2) is provided with a metal detector, and a metal probe of the metal detector extends into the screening cylinder body (1) and is used for detecting the height of metal powder in the screening cylinder body (1).

8. The vibratory metal powder screening machine of claim 1, wherein: a material receiving container used for receiving metal powder falling from the discharging channel is arranged under the outer port of the discharging channel, the material receiving container is arranged on the detection end of the weight detection device, and the weight of the material receiving container is measured by the weight detection device.

Images