CN215613191U

CN215613191U - Metal powder linear sieve for hot gas protection

Info

Publication number: CN215613191U
Application number: CN202122145302.6U
Authority: CN
Inventors: 黄莹祥
Original assignee: Quanzhou Xinhang New Material Technology Co ltd
Current assignee: Quanzhou Xinhang New Material Technology Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-01-25
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a metal powder linear sieve for protecting hot gas, which comprises a linear sieve body, wherein a servo motor is arranged on the back surface of the linear sieve body, a dredging mechanism capable of preventing a filter screen from being blocked is arranged on the inner side of the linear sieve body, quantitative gas inlet mechanisms capable of quantitatively feeding inert gas are respectively arranged on the left inner side and the right inner side of the linear sieve body, each quantitative gas inlet mechanism comprises a sleeve head welded on the left inner wall and the right inner wall of the linear sieve body, a telescopic head is arranged on the inner side of a spring, a vent hole is formed in the inner side of the telescopic head, gas connecting pipes are respectively communicated with the left side and the right side of the linear sieve body, the quantitative gas inlet mechanisms can quantitatively spray the inert gas out to dry metal powder screened from the upper part of the filter screen, so that the waste of the inert gas can be effectively reduced when the linear sieve body screens the metal powder, so that the inert gas is used by spraying at the optimum time.

Description

Metal powder linear sieve for hot gas protection

Technical Field

The utility model relates to the field of metal powder, in particular to a metal powder linear sieve for protecting hot gas.

Background

The linear sieve utilizes a vibration motor as an excitation source, materials are thrown up on a screen and simultaneously move forwards in a linear mode, metal powder uniformly enters a feeding hole of the sieving machine from a feeding machine, oversize products and undersize products of various specifications are generated through the screen and are respectively discharged from respective outlets.

However, the existing metal powder linear sieve still has certain defects when sieving metal powder, such as: because metal powder is easier to oxidize in a humid environment, water vapor is easy to react with the surface of the metal powder, inert gas is generally needed to be matched to dry the metal powder in the screening process, and the existing linear screen equipment is inconvenient to quantitatively introduce the inert gas into the metal powder in the screening process, so that a great amount of waste of the inert gas is caused.

To this end, we propose a metal powder rectilinear sieve for hot gas protection that solves the above mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a metal powder linear sieve for hot gas protection, which can quantitatively spray inert gas out through a quantitative gas inlet mechanism to dry metal powder sieved below a sieve mesh, thereby effectively reducing the waste of the inert gas when the linear sieve body is used for sieving the metal powder, and leading the inert gas to be sprayed and used in the optimal time so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a metal powder rectilinear sieve of hot gas protection usefulness, includes the rectilinear sieve body, rectilinear sieve body back mounted has servo motor, just servo motor's output has reciprocal lead screw through the coupling joint, rectilinear sieve body inboard is installed and can be prevented that the filter screen from producing the mediation mechanism that blocks up, just the inboard all is provided with the ration mechanism of admitting air that can admit air to the inert gas ration about the rectilinear sieve body, the ration mechanism of admitting air is including welding the pullover of inner wall about the rectilinear sieve body, just pullover inboard is fixed with the spring, flexible head is installed to the spring inboard, just the blow vent has been seted up to flexible head inboard, the welding of flexible head below has the shower nozzle, the rectilinear sieve body left and right sides all communicates there is the trachea that connects.

In a further embodiment, the feeding hole is formed in the linear screen body, the screen is fixed on the inner side of the linear screen body, metal powder can be effectively screened through the screen, and the metal powder can be effectively guided into the inner side of the linear screen body through the feeding hole.

In a further embodiment, the dredging mechanism comprises a sliding block which is in threaded connection with the outer side of the reciprocating screw rod, the bottom of the sliding block is provided with a brush, the right side of the sliding block is in through connection with a polished rod, the left side and the right side of the sliding block are movably hinged with pulleys, and the sliding block and the brush can be effectively driven to be matched with the polished rod to move back and forth through the rotation of the reciprocating screw rod.

In a further embodiment, the upper part of the brush is in contact with the bottom surface of the screen, and the brush can move back and forth to effectively wipe and clean the residual metal powder on the inner side of the bottom of the screen.

In a further embodiment, the sleeve head and the telescopic head form a telescopic structure through the spring, the outer side of the sleeve head is connected with the air receiving pipe through the joint, and air inside the air storage tank can be effectively guided out through the air receiving pipe.

In a further embodiment, the vent and the nozzle are inclined, so that inert gas can be uniformly sprayed out through the nozzle to dry the metal powder.

In a further embodiment, the vent holes and the spray head are distributed in a staggered mode, and inert gas can be effectively introduced into the inner side of the spray head through the vent holes.

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

1. according to the utility model, the reciprocating screw rod is used for driving the sliding block and the brush to simultaneously reciprocate back and forth under the action of rotation of the reciprocating screw rod through the sliding block, the brush, the polish rod and the pulley which are included in the dredging mechanism, so that the inner side of the bottom of the screen can be effectively cleaned by reciprocating the brush back and forth.

2. According to the metal powder drying device, the sleeve head, the spring, the telescopic head, the air vent and the spray head are included by the quantitative air inlet mechanism, the sliding block can move back and forth and can be matched with the pulley and the spring to extrude the telescopic head back and forth, so that the air vent is communicated with the through hole in the bottom of the sleeve head, compared with the existing metal powder linear sieve, the inert gas can be quantitatively sprayed out to dry metal powder screened from the upper part of a screen mesh, waste of the inert gas can be effectively reduced when the metal powder is screened according to the linear sieve body, and the inert gas can be sprayed and used in the best time.

Drawings

FIG. 1 is a schematic main sectional view of a metal powder linear screen for hot gas shielding.

FIG. 2 is a schematic top view of a metal powder linear screen for hot gas shielding.

Fig. 3 is an enlarged schematic view of the metal powder for hot gas shielding taken along line a in fig. 1.

In the figure: 1. a linear screen body; 101. a feed inlet; 102. screening a screen; 2. a servo motor; 3. a reciprocating screw rod; 4. a dredging mechanism; 401. a slider; 402. a brush; 403. a polish rod; 404. a pulley; 5. a quantitative air intake mechanism; 501. sleeving heads; 502. a spring; 503. a telescopic head; 504. a vent; 505. a spray head; 6. a gas receiving pipe.

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 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, in an embodiment of the present invention, a metal powder linear sieve for protecting hot gas includes a linear sieve body 1, a feeding port 101, a screen 102, a servo motor 2, a reciprocating screw rod 3, a dredging mechanism 4, a slider 401, a brush 402, a polish rod 403, a pulley 404, a quantitative gas inlet mechanism 5, a sleeve 501, a spring 502, a telescopic head 503, a vent 504, a nozzle 505, and a gas receiving pipe 6, wherein the servo motor 2 is installed on a back surface of the linear sieve body 1, an output end of the servo motor 2 is connected to the reciprocating screw rod 3 through a coupling, the dredging mechanism 4 capable of preventing the filter screen from being blocked is installed inside the linear sieve body 1, the quantitative gas inlet mechanism 5 capable of quantitatively feeding inert gas is installed inside both the left and right sides of the linear sieve body 1, and the gas receiving pipe 6 is communicated with both the left and right sides of the linear sieve body 1.

Example 1

Referring to fig. 1-3, the dredging mechanism 4 includes a sliding block 401 threaded on the outer side of the reciprocating screw rod 3, a brush 402 is installed at the bottom of the sliding block 401, a polish rod 403 is connected to the right side of the sliding block 401 in a penetrating manner, pulleys 404 are movably hinged on the left side and the right side of the sliding block 401, the upper side of the brush 402 is in contact with the bottom surface of the screen 102, a vibration motor at the bottom of the linear screen body 1 and a servo motor 2 at the back are started at the same time, the reciprocating screw rod 3 can be driven to rotate through the servo motor 2, the sliding block 401 and the brush 402 at the outer side of the linear screen body are matched with the polish rod 403 to reciprocate to move back and forth, and the bottom of the screen 102 can be effectively cleaned by brushing in the reciprocating back and forth movement process of the brush 402.

Example 2

Referring to fig. 1 and 3, the difference from embodiment 1 is: the quantitative air inlet mechanism 5 comprises a sleeve head 501 welded on the left inner wall and the right inner wall of a linear sieve body 1, a spring 502 is fixed on the inner side of the sleeve head 501, a telescopic head 503 is installed on the inner side of the spring 502, a vent 504 is arranged on the inner side of the telescopic head 503, a nozzle 505 is welded below the telescopic head 503, a feed port 101 is installed on the linear sieve body 1, a screen 102 is fixed on the inner side of the linear sieve body 1, the sleeve head 501 and the telescopic head 503 form a telescopic structure through the spring 502, the outer side of the sleeve head 501 is connected with an air receiving pipe 6 through a connector, the vent 504 and the nozzle 505 are inclined, the vent 504 and the nozzle 505 are distributed in a staggered manner, the pulley 404 and the spring 502 can be matched to extrude the telescopic head 503 back and forth, when the telescopic head 503 is extruded, the vent 504 on the inner side of the telescopic head can be communicated with a through hole at the bottom of the sleeve head 501, at the moment, the inert gas storage tank communicated with the tail end of the air receiving pipe 6 is used for air pressure on the inner side of the inert gas storage tank, the inert gas inside the nozzle can be uniformly sprayed out of the spray head 505 quantitatively through the vent 504 and the through hole at the bottom of the sleeve 501.

The working principle of the utility model is as follows: as shown in fig. 1-2, prepared metal powder is intermittently introduced into the upper side of the screen mesh 102 on the inner side of the linear screen body 1 through the feeding port 101 by the material pouring mechanism, then the vibration motor at the bottom of the linear screen body 1 and the servo motor 2 on the back are simultaneously started, the reciprocating screw rod 3 can be driven to rotate by the servo motor 2, so that the sliding block 401 and the brush 402 on the outer side of the linear screen body are matched with the polish rod 403 to reciprocate for back and forth movement, and the bottom of the screen mesh 102 can be effectively cleaned by brushing in the process of back and forth movement of the brush 402, so that the residual metal powder on the inner side of the gap of the screen mesh 102 is cleaned, and the screen mesh 102 is prevented from being blocked in the long-term use process.

In order to avoid the problem that oxidation is caused when metal powder is mixed with moisture in air in the screening process, the solution is as shown in fig. 1 and fig. 3, when the sliding block 401 moves back and forth, the sliding block 404 and the spring 502 can be matched to extrude the telescopic head 503 back and forth, when the telescopic head 503 is extruded, the air vent 504 on the inner side of the telescopic head is communicated with the through hole on the bottom of the sleeve head 501, at the moment, the inert gas storage tank communicated with the tail end of the air receiving pipe 6 and the air pressure on the inner side of the inert gas storage tank can be used for quantitatively and uniformly spraying the inert gas on the inner side of the inert gas storage tank from the air vent 504 and the through hole on the bottom of the sleeve head 501 out of the spray head 505, so that the metal powder screened from the upper part of the screen mesh 102 can be dried, and the problem proposed above is avoided, which is the working principle of the present application, thereby completing a series of work.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a metal powder rectilinear sieve of hot gas protection usefulness, includes rectilinear sieve body (1), its characterized in that: the back of the linear screen body (1) is provided with a servo motor (2), the output end of the servo motor (2) is connected with a reciprocating screw rod (3) through a coupler, a dredging mechanism (4) capable of preventing the filter screen from being blocked is arranged on the inner side of the linear screen body (1), and the left and right inner sides of the linear screen body (1) are respectively provided with a quantitative gas inlet mechanism (5) which can quantitatively inlet inert gas, the quantitative air inlet mechanism (5) comprises sleeve heads (501) welded on the left inner wall and the right inner wall of the linear screen body (1), a spring (502) is fixed on the inner side of the sleeve head (501), a telescopic head (503) is arranged on the inner side of the spring (502), a vent (504) is arranged on the inner side of the telescopic head (503), a spray head (505) is welded below the telescopic head (503), the left side and the right side of the linear sieve body (1) are both communicated with air receiving pipes (6).

2. A metal powder line screen for hot gas shielding as claimed in claim 1, wherein: the feeding hole (101) is formed in the linear screen body (1), and a screen (102) is fixed on the inner side of the linear screen body (1).

3. A metal powder linear screen for hot gas protection according to claim 2, characterized in that: dredge mechanism (4) including threaded connection slider (401) in reciprocal lead screw (3) outside, just brush (402) are all installed to slider (401) bottom, slider (401) right side through connection has polished rod (403), just slider (401) left and right sides equal activity hinge has pulley (404).

4. A metal powder linear screen for hot gas protection according to claim 3, characterized in that: the upper part of the brush (402) is in contact with the bottom surface of the screen (102).

5. A metal powder line screen for hot gas shielding as claimed in claim 1, wherein: the sleeve head (501) and the telescopic head (503) form a telescopic structure through the spring (502), and the outer side of the sleeve head (501) is connected with the air receiving pipe through a joint (6).

6. A metal powder linear screen for hot gas protection according to claim 5, characterized in that: the air vent (504) and the spray head (505) are inclined.

7. The metal powder line screen of claim 6, wherein: the air vents (504) and the spray head (505) are distributed in a staggered mode.