CN209318121U - Sieve powder device - Google Patents

Abstract

The utility model belongs to powder manufacturing equipment technical field, more particularly to a kind of sieve powder device, including powder-storing machine, several connecting pipes and several sieve powder cabinets, one end of each connecting tube is communicated with the meal outlet of the powder-storing machine, and the other end of each connecting tube is connected at the top of each sieve powder cabinet correspondingly；It is equipped with storage powder drawer in each sieve powder cabinet, and is successively arranged several screen assemblies being respectively positioned on above the storage powder drawer in each sieve powder cabinet from top to bottom.The pollution problems such as powder impurity, will not occur in the problem of sieve powder device of the utility model, powder sieve that powder process is simple and environmentally-friendly, conveniently, and to be exposed to the external time short for powder, are not in Powder Oxidation.

Description

Sieve powder device

Technical field

The utility model belongs to powder manufacturing equipment technical field more particularly to a kind of sieve powder device.

Background technique

Plasma rotating electrode powder manufacturing apparatus (Plasma Rotating Electrode Process:PREP) is current Most advanced in the market, most potential high-end powder Preparation equipment.Its preparation principle are as follows: using alloy as consutrode, electrode tip Portion is melted under the action of coaxial plasma electric arc heated source, is obtained under the action of high speed rotation centrifugal force is with surface tension Spherical powder, the alloy powder sphericity height of production, good fluidity, nitrogen oxygen content are low；Suitable for metal 3D printing, metal injection The high-end moulding process such as molding, hot isostatic pressing.Metal powder is easily oxidized, and is influenced after oxidation on powder properties huge.PREP The most prominent advantage of atomized powder is that nitrogen oxygen content is low, and powder impurity is few, and powder cleanliness is high.But in actual production, Often because during sieve powder, metal powder is since by carrying out sieve powder in multiple independent sieving machines, this allows for metal powder Exposure duration is too long, excessive with screen contact in air at end, so as to cause Powder Oxidation, powder cross contamination, powder impurity Increase.Cause powder properties to decline, influences the forming processes such as 3D printing molding.

Utility model content

The purpose of this utility model is to provide a kind of sieve powder devices, it is intended to solve in the prior art during sieving powder Powder is asked due to the technology for causing Powder Oxidation, powder cross contamination and powder impurity to increase by multiple independent sieving machines Topic.

A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: sieve powder device, if including powder-storing machine, Dry connecting pipe and several sieve powder cabinets, one end of each connecting tube are communicated with the meal outlet of the powder-storing machine, each institute The other end for stating connecting tube is connected at the top of each sieve powder cabinet correspondingly；Storage powder is equipped in each sieve powder cabinet Drawer, and several screen assemblies being respectively positioned on above the storage powder drawer are successively arranged in each sieve powder cabinet from top to bottom.

Further, the one side of each sieve powder cabinet offers the sieve powder chamber with opening, described to sieve the interior of powder chamber Wall is equipped with the drawer sliding slot being slidably matched with the storage powder drawer and the net sliding slot being slidably matched with the screen assemblies.

Further, the groove width of the drawer sliding slot is identical as the groove width of the net sliding slot.

Further, each screen assemblies include sieve and cabinet door, and the cabinet door is fixedly installed in the sieve The outer end and cabinet door is vertically arranged with the sieve；The inner end of the sieve protrudes into that the sieve powder is intracavitary, and the sieve Opposite sides portion and the net sliding slot cooperate, the cabinet door in the sieve be slid completely into the sieve powder it is intracavitary when seal the sieve The opening of powder chamber.

Further, each screen assemblies further include two lattice baffles, and two lattice baffles are respectively arranged on described The opposite sides portion of sieve, the both ends of the cabinet door are fixedly connected with the end of two lattice baffles respectively.

Further, the outside portion of each cabinet door and the storage powder drawer is equipped with the handle for holding for operator Hand.

Further, it is used to detect the temperature sensor of powder temperature in the storage powder tank equipped with several.

Further, the mesh screen for filtering powder is equipped at the meal outlet of the storage powder tank.

Further, the bottom of each sieve powder cabinet is equipped with the shaking device for driving the screen assemblies vibration.

Further, the inflation mechanism for being filled with rare gas is equipped at the powder inlet of the storage powder tank.

The utility model has the beneficial effects that the sieve powder device of the utility model, when in use, the powder stored up in powder tank pass through Each connecting tube enter directly into sieve powder cabinet in, when powder enter sieve powder cabinet after from top to bottom successively pass through each screen assemblies it Afterwards, it enters finally into and is located in the storage powder drawer in sieve powder bottom of cabinet portion, then directly powder drawer is stored up in extraction out of sieve powder cabinet, and to storage powder drawer Interior powder is directly packaged.In this process, the screening of powder only carries out in sieve powder cabinet, and powder is without touching outside Component, powder cross contamination would not also occurs and the problem of powder impurity increases, meanwhile, the lower part of storage powder tank is equipped with several The screening efficiency of a sieve powder cabinet, powder is high, and the time of contact of powder and air is few, can be effectively prevented from Powder Oxidation.This reality With novel sieve powder device, it is simple and environmentally-friendly, conveniently that powder sieves powder process, and to be exposed to the external time short for powder, is not in The pollution problems such as powder impurity, will not occur in the problem of Powder Oxidation.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of sieve powder device provided by the embodiment of the utility model.

Fig. 2 is the explosive view of sieve powder device provided by the embodiment of the utility model.

Fig. 3 is the structural schematic diagram of the screen assemblies of sieve powder device provided by the embodiment of the utility model.

Wherein, each appended drawing reference in figure:

10-20-connecting pipe of powder-storing machine, 30-sieve powder cabinets

31-screen assemblies 32-storage powder drawers 33-sieve powder chamber

311-sieve 312-cabinet door, 313-lattice baffles

314-handle 331-net sliding slot 332-drawer sliding slots.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining the description of attached drawing 1~3 is exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this Novel limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

As shown in Figures 1 to 3, a kind of sieve powder device of the utility model embodiment, including powder-storing machine 10, several connecting tubes Road 20 and several sieve powder cabinets 30, one end of each connecting tube are communicated with the meal outlet of the powder-storing machine 10, each company The other end of adapter tube is connected with the top of each sieve powder cabinet 30 correspondingly；Storage powder drawer is equipped in each sieve powder cabinet 30 32, and several screen assemblies 31 for being located at 32 top of storage powder drawer are successively arranged in each sieve powder cabinet 30 from top to bottom.

Specifically, the sieve powder device of the utility model embodiment, when in use, the powder stored up in powder tank pass through each connecting tube It enters directly into sieve powder cabinet 30, after successively passing through each screen assemblies 31 from top to bottom after powder enters sieve powder cabinet 30, It enters finally into and is located in the storage powder drawer 32 of sieve 30 bottom of powder cabinet, then powder drawer 32 is stored up in directly extraction out of sieve powder cabinet 30, and right Powder in storage powder drawer 32 is directly packaged.In this process, the screening of powder only carries out in sieve powder cabinet 30, and powder is not necessarily to External component is touched, powder cross contamination would not also occur and the problem of powder impurity increases, meanwhile, it stores up under powder tank Portion is equipped with several sieve powder cabinets 30, and the screening efficiency of powder is high, and the time of contact of powder and air is few, can be effectively prevented from powder End oxidation.The sieve powder device of the utility model embodiment, it is simple and environmentally-friendly, conveniently that powder sieves powder process, and powder is exposed to outside Time it is short, the problem of being not in Powder Oxidation, the pollution problems such as powder impurity will not occur.

In the present embodiment, the one side of each sieve powder cabinet 30 offers the sieve powder chamber 33 with opening；The sieve powder What the inner wall of chamber 33 was slidably matched equipped with the drawer sliding slot 332 being slidably matched with the storage powder drawer 32 and with the screen assemblies 31 Net sliding slot 331.

Specifically, screen assemblies 31 and storage powder drawer 32 slide in net sliding slot 331 and drawer sliding slot 332 respectively, realize sieve It is slidably connected and stores up being slidably connected between powder drawer 32 and sieve powder chamber 33 between screen component 31 and sieve powder chamber 33, then sieve Component 31 and storage powder drawer 32 can directly be extracted out out of sieve powder chamber 33, and directly will stay on screen assemblies 31 and storage powder drawer 32 Powder collection and encapsulation.

Further, it sieves and is equipped with net sliding slot 331 and drawer sliding slot 332, screen assemblies 31 on opposite two inner walls of powder chamber 33 It is slidably matched with the net sliding slot 331 on opposite two inner walls for being located at sieve powder chamber 33；And it stores up powder drawer 32 and is located at sieve powder chamber 33 Drawer sliding slot 332 on opposite two inner walls is mutually slidably matched, and can further assure that screen assemblies 31 and storage powder drawer 32 are extracted out Stability and reliability, meanwhile, two net sliding slots 331 and two drawer sliding slots, 332 pairs of storage powder drawers 32 and screen assemblies 31 play The effect of support enables storage powder drawer 32 and screen assemblies 31 to be stably installed in sieve powder chamber 33, and then guarantees that powder obtains To reliable successively screening and storage.

In the present embodiment, the groove width of the drawer sliding slot 332 is identical as the groove width of the net sliding slot 331.

Specifically, can be mobile by the top for storing up powder drawer 32 toward sieve powder chamber 33 when the negligible amounts of screen assemblies 31, because Groove width for drawer sliding slot 332 and net sliding slot 331 is consistent, so storage powder drawer 32 can both be slidably matched with drawer sliding slot 332, It can be slidably matched with net sliding slot 331.It thus can solve asking of causing powder to be contaminated because of the vacancy of screen assemblies Topic.

In the present embodiment, each screen assemblies 31 include sieve 311 and cabinet door 312, and the cabinet door 312 is fixedly mounted In the sieve 311 outer end and the cabinet door 312 be vertically arranged with the sieve 311；Institute is protruded into the inner end of the sieve 311 It states in sieve powder chamber 33, and the side of the sieve 311 is slidably matched with the net sliding slot, the cabinet door 312 is in the sieve 311 It is slid completely into the outs open that the sieve powder chamber 33 is sealed in the sieve powder chamber 33.

Specifically, it sieves the sieve powder chamber 33 opened up on powder cabinet 30 to be mainly used for that the components such as screen assemblies 31 are installed, so that powder Screening process be located at sealing region in progress, avoid powder from being contaminated；The sieve 311 of screen assemblies 31 is mainly used for sieving Powder is selected, cabinet door 312 is mounted on the side of sieve 311, and when sieve 311 is mounted in sieve powder chamber 33, cabinet door 312 can be sealed Interval region between adjacent screen mesh 311, so that entirely the opening of sieve powder chamber 33 is in a closed state, so that powder Screening is fully located in closed section and carries out, and has further assured that powder is not contaminated；Meanwhile sieve 311 is slidably installed In in sieve powder chamber 33, sieve 311 is extracted out out of sieve powder chamber 33, so that the powder that will stay on sieve 311 is direct It is packaged, it is easy to operate, by the setting of the sieve 311 of different size, the powder of different size can be also obtained, so that powder The screening process at end is simple and reliable.

Further, the specification of sieve powder cabinet 30 sieve 311 from top to bottom from thick to thin so that powder is successively sieved Choosing improves powder screening quality.

Further, it is slided and is extend into net sliding slot 331 respectively by the opposite two edges of sieve 311, realize sieve Being slidably connected between component 31 and sieve powder chamber 33, consequently facilitating screen assemblies 31 are directly directly extracted out out of sieve powder chamber 33, just In the collection and encapsulation of the powder rested on sieve 311, meanwhile, using the structure type of net sliding slot 331, by two opposite Support is played at opposite two edges of inner wall of the sieve powder chamber 33 with respect to the net sliding slot 331 on two wall surfaces to sieve 311 Effect, so that screen assemblies 31 can be smoothly mounted in sieve powder chamber 33.

In this implementation, each screen assemblies 31 further include two lattice baffles 313, and two lattice baffles 313 are distinguished Set on the opposite sides portion of the sieve 311, the both ends of the cabinet door 312 are solid with the end of two lattice baffles 313 respectively Fixed connection.

Specifically, connection forms the fence structure of a door shape between two lattice baffles 313 and cabinet door 312, so that stopping Powder on sieve 311 is merely able to be located at two baffles and cabinet door 312 and encloses and set in the section to be formed, when sieve 311 is from sieve powder In chamber 33 when extraction, powder can be located in the section of a relative closure, avoid the splashing of powder, meanwhile, two lattice baffles 313 and cabinet door 312 also counteract contact of other external components with powder, avoid powder from being contaminated, moreover, powder also can It successfully encloses after the indentation, there set is directly poured out and is packaged with two lattice baffles 313 from cabinet door 312, so that the screening of powder is grasped Make more simple and flexible.

In the present embodiment, the outside portion of each cabinet door 312 and the storage powder drawer 32 is equipped with for holding for operator The handle 314 held.

Specifically, it is respectively provided with handle 314 on cabinet door 312 and storage powder drawer 32, is held convenient for operator, directly by screening group Part 31 and the storage extraction of powder drawer 32 sieve powder chamber 33 and convenient for screen assemblies 31 and storage powder drawer 32 are installed in sieve powder chamber 33.

In the present embodiment, the mesh screen (not shown) for filtering powder is equipped at the meal outlet of the storage powder tank.

Specifically, mesh screen is set in the outlet number of storage powder tank, initial screening is carried out to the powder in storage powder tank, it will be coarse After powder contaminant filter falls, screened being entered in each sieve powder cabinet 30 by connecting tube, it is first that coarse powder is miscellaneous Matter filters out, and on the one hand can be avoided connection blockage, on the other hand improves the screening efficiency of powder.

In the present embodiment, (scheme not in the storage powder tank equipped with several temperature sensors for being used to detect powder temperature Show).

Specifically, temperature sensor is used to detect the temperature of the powder in storage powder tank, when the temperature of powder is cooled to room temperature Afterwards.Temperature sensor opens the filter operation that mesh screen 311 carries out powder by control device (not shown), avoids temperature higher Powder enter directly into sieve powder cabinet 30 in and damage sieve powder cabinet 30, play the role of protection sieve powder cabinet 30, extend sieve powder cabinet 30 service life.

In the present embodiment, the bottom of each sieve powder cabinet 30 is equipped with the vibration for driving the screen assemblies 31 to shake Device (not shown).

Specifically, shaking device is used to that sieve powder cabinet 30 is driven to shake, thus drive the sieve 311 of the inside of screen assemblies 31 into Row vibration, to improve the screening quality and screening efficiency of powder.

In the present embodiment, the inflation mechanism for being filled with rare gas is equipped at the powder inlet of the storage powder tank.

Specifically, rare gas is filled in storage powder tank and sieve powder cabinet 30 by inflation mechanism, is filled in entire screening plant Full rare gas, rare gas can prevent the Powder Oxidation in entire screening plant, improve the quality of powder.

Preferably, rare gas is argon gas.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of sieve powder device, it is characterised in that: each described including powder-storing machine, several connecting pipes and several sieve powder cabinets One end of connecting tube is communicated with the meal outlet of the powder-storing machine, the other end of each connecting tube correspondingly with it is each described It is connected at the top of sieve powder cabinet；It is equipped with storage powder drawer in each sieve powder cabinet, and is successively arranged from top to bottom in each sieve powder cabinet Several are respectively positioned on the screen assemblies above the storage powder drawer.

2. sieve powder device according to claim 1, it is characterised in that: the one side of each sieve powder cabinet, which offers, to be had The sieve powder chamber of opening, the inner wall of the sieve powder chamber be equipped with the drawer sliding slot that is slidably matched of storage powder drawer and with the screening group The net sliding slot that part is slidably matched.

3. sieve powder device according to claim 2, it is characterised in that: the slot of the groove width of the drawer sliding slot and the net sliding slot Width is identical.

4. sieve powder device according to claim 2, it is characterised in that: each screen assemblies include sieve and cabinet door, The cabinet door is fixedly installed in the outer end of the sieve and the cabinet door is vertically arranged with the sieve；It stretches the inner end of the sieve It is intracavitary to enter the sieve powder, and the opposite sides portion of the sieve and the net sliding slot cooperate, the cabinet door is complete in the sieve Slide into it is described sieve powder it is intracavitary when seal it is described sieve powder chamber opening.

5. sieve powder device according to claim 4, it is characterised in that: each screen assemblies further include two lattice gears Plate, two lattice baffles are respectively arranged on the opposite sides portion of the sieve, the both ends of the cabinet door respectively with two lattice The end of baffle is fixedly connected.

6. sieve powder device according to claim 4, it is characterised in that: the outside portion of each cabinet door and the storage powder drawer is equal Equipped with the handle for being held for operator.

7. described in any item sieve powder devices according to claim 1~6, it is characterised in that: be equipped with several in the storage powder tank For detecting the temperature sensor of powder temperature.

8. described in any item sieve powder devices according to claim 1~6, it is characterised in that: set at the meal outlet of the storage powder tank There is the mesh screen for filtering powder.

9. described in any item sieve powder devices according to claim 1~6, it is characterised in that: the bottom of each sieve powder cabinet is all provided with There is the shaking device for driving the screen assemblies vibration.

10. described in any item sieve powder devices according to claim 1~6, it is characterised in that: set at the powder inlet of the storage powder tank There is the inflation mechanism for being filled with rare gas.