阅读说明：本技术 一种3d打印金属粉料混匀装置 (3D prints metal powder mixing device ) 是由 魏放 蒋保林 许荣玉 叶国晨 张柯 唐跃跃 王浩州 孙井鑫 张波 蒋陈 于 2021-05-31 设计创作，主要内容包括：本发明提供了一种3D打印金属粉料混匀装置,属于3D打印技术领域,包括存装部、第一混料部、第二混料部、固定支撑部、旋转支撑部、第一驱动部以及第二驱动部,所述存装部用于盛放金属粉料,所述旋转支撑部设置在所述存装部内部,所述第一混料部活动设置在所述旋转支撑部侧壁,所述第一驱动部用于带动所述旋转支撑部以及所述第一混料部圆周运动,所述固定支撑部设置在所述旋转支撑部内部,在第一混料部圆周运动的同时,用于驱使第一混料部上下摆动。本发明实施例相较于现有技术,能够对金属粉料进行多方位的搅拌处理,从而提高金属粉料的混匀效果。(The invention provides a 3D printing metal powder blending device, which belongs to the technical field of 3D printing and comprises a storage part, a first blending part, a second blending part, a fixed supporting part, a rotating supporting part, a first driving part and a second driving part, wherein the storage part is used for containing metal powder, the rotating supporting part is arranged in the storage part, the first blending part is movably arranged on the side wall of the rotating supporting part, the first driving part is used for driving the rotating supporting part and the first blending part to move circumferentially, the fixed supporting part is arranged in the rotating supporting part, and the fixed supporting part is used for driving the first blending part to swing up and down while the first blending part moves circumferentially. Compared with the prior art, the embodiment of the invention can carry out multidirectional stirring treatment on the metal powder, thereby improving the uniform mixing effect of the metal powder.)

1. A3D printing metal powder blending device is characterized by comprising a storage part, a first blending part, a second blending part, a fixed supporting part, a rotary supporting part, a first driving part and a second driving part,

the storage part is used for containing metal powder,

the rotating support part is arranged in the storing part, the first material mixing part is movably arranged on the side wall of the rotating support part, the first driving part is used for driving the rotating support part and the first material mixing part to do circular motion,

the fixed supporting part is arranged in the rotating supporting part and is used for driving the first material mixing part to swing up and down while the first material mixing part moves circularly,

the activity of second compounding portion sets up first compounding portion is outside, the second drive division sets up inside second compounding portion, in first compounding portion luffing motion, under the effect of gravity the second drive division can drive second compounding portion along first compounding portion reciprocating motion.

2. The 3D printing metal powder blending device according to claim 1, wherein a special-shaped guide portion is arranged on a side wall of the fixed supporting portion, one end of the first blending portion extends into the rotating supporting portion and is movably connected with the special-shaped guide portion, and the special-shaped guide portion is used for driving the first blending portion to swing up and down.

3. The 3D printing metal powder blending device of claim 1, wherein the second blending part comprises a sliding part and a material shifting component,

the sliding part is arranged outside the first material mixing part in a sliding manner, the material poking components are fixedly arranged on the side wall of the sliding part and are uniformly distributed with a plurality of groups,

the inside activity of second compounding portion is provided with the slider, the slider with sliding part fixed connection, the second drive division is provided with two sets at least, and is two sets of the second drive division cloth in the slider both sides.

4. The 3D printing metal powder blending device according to claim 3, wherein a limiting groove is formed in the side wall of the second blending portion, a connecting rod is fixedly arranged on the side wall of the sliding member, and the connecting rod extends from the limiting groove to the inside of the second blending portion and is fixedly connected with the sliding member.

5. The 3D printing metal powder blending device according to claim 2, wherein the special-shaped guide part comprises a guide rail annularly arranged on the side wall of the fixed supporting part, one end of the first material mixing part is in sliding fit with the guide rail, and the projection of the guide rail in the direction of the side wall of the rotating supporting part can form an oval structure.

6. The 3D printing metal powder blending device according to claim 5, wherein one end of the first blending part is in sliding fit with the guide rail through a telescopic part.

7. The 3D printing metal powder blending device of claim 6, wherein the telescopic part comprises a telescopic rod, an elastic body and a telescopic column,

one end of the telescopic rod is fixedly connected with the first material mixing part, the other end of the telescopic rod extends into the telescopic column barrel and is in telescopic fit with the telescopic column barrel,

the elastic body is arranged in the telescopic column and connected with the telescopic rod in an abutting mode, a clamping ring is arranged at one end, far away from the telescopic rod, of the telescopic column, and the clamping ring is in sliding fit with the guide rail or the guide rod.

8. The 3D printing metal powder blending device according to claim 1, wherein a through hole for the first blending part to pass through is formed in a side wall of the rotation supporting part, and an inner wall of the through hole is rotatably connected with the first blending part through a rotating part.

9. The 3D printing metal powder blending device according to claim 8, wherein a flexible sealing element is arranged on a side wall of the rotation support part, and the flexible sealing element is used for plugging a gap between the first blending part and the through hole.

10. The 3D printing metal powder blending device according to any one of claims 1 to 9, wherein the first driving part comprises a power part and a driving rotating shaft arranged at an output end of the power part, one end of the driving rotating shaft, which is far away from the power part, is fixedly connected with the rotating supporting part, and the power part is used for driving the driving rotating shaft to rotate.

Technical Field

The invention belongs to the technical field of 3D printing, and particularly relates to a 3D printing metal powder blending device.

Background

3D printing is one of the rapid prototyping technologies, which is a technology for constructing an object by using an adhesive material such as powdered metal or plastic and the like in a layer-by-layer printing manner on the basis of a digital model file.

At present, when carrying out 3D and printing, need mix various metal powder in advance and guarantee the mixing degree of various metal powder, with improve follow-up printing in-process off-the-shelf quality, prior art, the mixture to metal powder relies on the mixing machine to realize mostly, current mixing machine during operation relies on rabbling mechanism to act on metal powder, mix to stirring metal powder and mix, but current rabbling mechanism stirring mode is comparatively single, can only carry out the stirring of single direction, make metal powder's stirring scope less, thereby lead to the mixing effect not good.

Disclosure of Invention

Aiming at the defects of the prior art, the technical problem to be solved by the embodiment of the invention is to provide a 3D printing metal powder blending device.

In order to solve the technical problems, the invention provides the following technical scheme:

A3D printing metal powder blending device comprises a storage part, a first blending part, a second blending part, a fixed supporting part, a rotating supporting part, a first driving part and a second driving part,

the storage part is used for containing metal powder,

the rotating support part is arranged in the storing part, the first material mixing part is movably arranged on the side wall of the rotating support part, the first driving part is used for driving the rotating support part and the first material mixing part to do circular motion,

the fixed supporting part is arranged in the rotating supporting part and is used for driving the first material mixing part to swing up and down while the first material mixing part moves circularly,

the activity of second compounding portion sets up first compounding portion is outside, the second drive division sets up inside second compounding portion, in first compounding portion luffing motion, under the effect of gravity the second drive division can drive second compounding portion along first compounding portion reciprocating motion.

As a further improvement of the invention: the side wall of the fixed supporting part is provided with a special-shaped guide part, one end of the first material mixing part extends to the inside of the rotating supporting part and is movably connected with the special-shaped guide part, and the special-shaped guide part is used for driving the first material mixing part to swing up and down.

As a further improvement of the invention: the second material mixing part comprises a sliding piece and a material stirring component,

the sliding part is arranged outside the first material mixing part in a sliding manner, the material poking components are fixedly arranged on the side wall of the sliding part and are uniformly distributed with a plurality of groups,

the inside activity of second compounding portion is provided with the slider, the slider with sliding part fixed connection, the second drive division is provided with two sets at least, and is two sets of the second drive division cloth in the slider both sides.

As a further improvement of the invention: the limiting groove has been seted up to second compounding portion lateral wall, the fixed connecting rod that is provided with of sliding part lateral wall, the connecting rod certainly the limiting groove extends to inside and with second compounding portion slider fixed connection.

As a still further improvement of the invention: the special-shaped guide part comprises a guide rail which is annularly arranged on the side wall of the fixed supporting part, one end of the first material mixing part is in sliding fit with the guide rail, and the projection of the guide rail in the direction of the side wall of the rotary supporting part can form an oval structure.

As a still further improvement of the invention: one end of the first material mixing part is in sliding fit with the guide rail through a telescopic part.

As a still further improvement of the invention: the telescopic part comprises a telescopic rod, an elastic body and a telescopic column casing,

one end of the telescopic rod is fixedly connected with the first material mixing part, the other end of the telescopic rod extends into the telescopic column barrel and is in telescopic fit with the telescopic column barrel,

the elastic body is arranged in the telescopic column and connected with the telescopic rod in an abutting mode, a clamping ring is arranged at one end, far away from the telescopic rod, of the telescopic column, and the clamping ring is in sliding fit with the guide rail or the guide rod.

As a still further improvement of the invention: the through-hole that can supply first compounding portion to pass is seted up to the rotation support portion lateral wall, the through-hole inner wall through rotate the piece with first compounding portion rotates and is connected.

As a still further improvement of the invention: the side wall of the rotating support part is provided with a flexible sealing piece, and the flexible sealing piece is used for plugging a gap between the first mixing part and the through hole.

As a still further improvement of the invention: first drive division includes power portion and sets up the drive pivot of power portion output, the drive pivot is kept away from the one end of power portion with rotation support portion fixed connection, power portion is used for driving the drive pivot rotates.

Compared with the prior art, the invention has the beneficial effects that:

in the embodiment of the invention, the first driving part drives the rotating supporting part to do circular motion inside the storing part, so as to drive the first mixing part to do circular motion, so as to stir the metal powder in the horizontal direction, the fixed supporting part can drive the first mixing part to swing up and down during the circular motion of the first mixing part, so as to stir the metal powder in the vertical direction, and the second driving part drives the second mixing part to do reciprocating motion along the first mixing part under the action of gravity during the vertical swing of the first mixing part, so as to stir the metal powder transversely.

Drawings

FIG. 1 is a schematic structural diagram of a 3D printing metal powder blending device;

FIG. 2 is a schematic structural diagram of a second mixing part in a 3D printing metal powder blending device;

FIG. 3 is an enlarged view of area A of FIG. 1;

in the figure: 1-storage part, 11-discharge pipe, 12-support leg, 2-second mixing part, 21-stirring component, 22-sliding part, 3-first mixing part, 31-limiting groove, 32-connecting rod, 33-sliding part, 4-fixed supporting part, 5-rotary supporting part, 51-through hole, 52-rotating part, 6-first driving part, 61-driving rotating shaft, 62-power part, 7-second driving part, 8-flexible sealing part, 9-telescopic part, 91-telescopic rod, 92-telescopic column, 93-clamping ring and 10-special-shaped guide part.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1 and 2, the embodiment provides a 3D printing metal powder blending device, which includes a storage portion 1, a first blending portion 3, a second blending portion 2, a fixed support portion 4, a rotating support portion 5, a first driving portion 6 and a second driving portion 7, wherein the storage portion 1 is used for containing metal powder, the rotating support portion 5 is disposed inside the storage portion 1, the first blending portion 3 is movably disposed on a side wall of the rotating support portion 5, the first driving portion 6 is used for driving the rotating support portion 5 and the first blending portion 3 to move circumferentially, the fixed support portion 4 is disposed inside the rotating support portion 5, and is used for driving the first blending portion 3 to swing up and down while the first blending portion 3 moves circumferentially, the second blending portion 2 is movably disposed outside the first blending portion 3, and the second driving portion 7 is disposed inside the second blending portion 2, when first compounding portion 3 luffing motion, under the effect of gravity second drive division 7 can drive second compounding portion 2 along first compounding portion 3 reciprocating motion.

Drive 5 rotatory supporting part through first drive division and be depositing 1 inside circular motion of portion, and then drive 3 circular motion of first compounding portion, in order to carry out the stirring of horizontal direction to the metal powder, during 3 circular motion of first compounding portion, fixed support portion 4 can order about first compounding portion 3 and carry out the luffing motion, in order to carry out the stirring of vertical direction to the metal powder, and when 3 luffing motions of first compounding portion, rely on the action of gravity, second drive division 7 drives second compounding portion 2 and carries out reciprocating motion along first compounding portion 3, in order to carry out horizontal stirring to the metal powder.

Referring to fig. 3, in an embodiment, a special-shaped guide portion 10 is disposed on a side wall of the fixed support portion 4, one end of the first material mixing portion 3 extends into the rotating support portion 5 and is movably connected to the special-shaped guide portion 10, and the special-shaped guide portion 10 is configured to drive the first material mixing portion 3 to swing up and down.

When the rotation supporting part 5 drives the first material mixing part 3 to move circularly, the special-shaped guide part 10 is utilized to drive the first material mixing part 3 to swing up and down, so that the stirring range of the metal powder is enlarged, and the material mixing effect of the metal powder is improved.

Referring to fig. 2, in an embodiment, the second material mixing portion 2 includes a sliding member 22 and a material pulling assembly 21, the sliding member 22 is slidably disposed outside the first material mixing portion 3, the material pulling assembly 21 is fixedly mounted on a side wall of the sliding member 22 and is uniformly distributed in a plurality of groups, a sliding member 33 is movably disposed inside the second material mixing portion 2, the sliding member 33 is fixedly connected with the sliding member 22, at least two groups of second driving portions 7 are disposed, and two groups of second driving portions 7 are distributed on two sides of the sliding member 33.

When the second mixing portion 2 swings up and down, under the action of gravity, the second driving portions 7 on the two sides of the sliding member 33 can alternately move towards the sliding member 33 to further strike the sliding member 33 so as to drive the sliding member 33 to move along the inside of the second mixing portion 2, and the sliding member 22 can be driven to move when the sliding member 33 moves so as to further drive the plurality of material shifting assemblies 21 to move, so that the metal powder is shifted by the material shifting assemblies 21 to be transversely stirred.

In another embodiment, the second mixing portion 2 may further include a plurality of sliding plates attached to the side walls of the first mixing portion 3 and a plurality of shift levers fixedly disposed on the side walls of each sliding plate, a sliding slot is formed in the side wall of the first mixing portion 3, a fixing rod is fixedly disposed on one side of each sliding plate, and the fixing rod extends from the sliding slot to the inside of the second mixing portion 2 and is in sliding fit with the sliding slot.

When second compounding portion 2 luffing motion, can rely on the gravity of slide and driving lever self to make the slide carry out reciprocating motion along second compounding portion 2 to transversely stir the metal powder.

Referring to fig. 2, in an embodiment, a limiting groove 31 is formed in a side wall of the second material mixing portion 2, a connecting rod 32 is fixedly disposed on a side wall of the sliding member 22, and the connecting rod 32 extends from the limiting groove 31 to the inside of the second material mixing portion 2 and is fixedly connected to the sliding member 33.

When the second mixing part 2 swings up and down, the second driving part 7 can impact the sliding part 33 to drive the sliding part 33 to move, the sliding part 33 can drive the sliding part 22 to move through the connecting rod 32, and then the material shifting component 21 is driven to move, so that the metal powder is transversely stirred.

In the above embodiment, the second driving part 7 may be a metal ball or a metal block.

Referring to fig. 3, in an embodiment, the special-shaped guiding portion 10 includes a guide rail annularly disposed on a side wall of the fixed supporting portion 4, one end of the first material mixing portion 3 is slidably engaged with the guide rail, and a projection of the guide rail in a direction of the side wall of the rotating supporting portion 5 may form an oval structure, so that when the first material mixing portion 3 slides along the guide rail, the guide rail can drive one end of the first material mixing portion 3 to move up and down, and because the first material mixing portion 3 is movably engaged with the rotating supporting portion 5, when one end of the first material mixing portion 3 moves up and down, the end can swing up and down with a side wall of the rotating supporting portion 5 as a fulcrum.

In another embodiment, the special-shaped guiding portion 10 may further include a guiding rod annularly disposed on a side wall of the fixed supporting portion 4, one end of the first material mixing portion 3 is slidably fitted with the guiding rod, and a projection of the guiding rod in the direction of the side wall of the rotating supporting portion 5 may also form an oval structure, so that the first material mixing portion 3 can also swing up and down.

Referring to fig. 3, in an embodiment, a through hole 51 through which the first mixing portion 3 can pass is formed in a side wall of the rotation supporting portion 5, and an inner wall of the through hole 51 is rotatably connected with the first mixing portion 3 through a rotating member 52, so that a fulcrum can be provided for the swing of the first mixing portion 3 through the arrangement of the rotating member 52, and the first mixing portion 3 can be guaranteed to smoothly swing up and down.

In the above embodiment, the rotating member 52 is a positioning pin rod or a top support rod, one end of the positioning pin rod or the top support rod is fixedly connected to the inner wall of the through hole 51, and the other end of the positioning pin rod or the top support rod is rotatably connected to the first material mixing portion 3.

Referring to fig. 3, in an embodiment, when the first mixing portion 3 slides along the guide rail or the guide rod, since the projections of the guide rail and the guide rod in the side wall direction of the rotation support portion 5 are both elliptical structures, the length of the portion of the first mixing portion 3 located inside the rotation support portion 5 needs to be changed, therefore, one end of the first mixing portion 3 is in sliding fit with the guide rail or the guide rod through the expansion portion 9, and the length of the portion of the first mixing portion 3 located inside the rotation support portion 5 can be changed adaptively by the expansion and contraction of the expansion portion 9, so as to ensure the smooth swing of the first mixing portion 3.

Referring to fig. 3, in an embodiment, the telescopic portion 9 includes a telescopic rod 91, an elastic body, and a telescopic cylinder 92, one end of the telescopic rod 91 is fixedly connected to the first material mixing portion 3, the other end of the telescopic rod extends into the telescopic cylinder 92 and is in telescopic fit with the telescopic cylinder 92, the elastic body is disposed inside the telescopic cylinder 92 and is connected to the telescopic rod 91 in an abutting manner, one end of the telescopic cylinder 92 away from the telescopic rod 91 is provided with a snap ring 93, and the snap ring 93 is in sliding fit with the guide rail or the guide rod.

Through the setting of elastomer to exert elastic support power between telescopic column 92 and the telescopic link 91, make the snap ring 93 can hug closely guide rail or guide bar, when 3 circular motion of first compounding portion, can drive telescopic link 91, telescopic column 92 and the motion of snap ring 93, through the flexible cooperation between telescopic link 91 and the telescopic column 92, combine the supporting role of elastomer, guarantee the oscilaltion that first compounding portion 3 can be smooth.

In another embodiment, the telescopic portion 9 may further include a post rod having one end extending to the inside of the first material mixing portion 3, the post rod is telescopically engaged with the first material mixing portion 3, an elastic body for supporting the post rod is disposed inside the first material mixing portion 3, a sliding block is fixedly disposed at one end of the post rod away from the first material mixing portion 3, and the sliding block is slidably engaged with the guide rail or the guide rod, so that the first material mixing portion 3 can also adapt to the length change inside the rotation supporting portion 5 during the circular motion, and the connection with the special-shaped guide portion 10 is ensured.

With continued reference to fig. 3, in an embodiment, the side wall of the rotation support portion 5 is provided with a flexible sealing member 8, and the flexible sealing member 8 is used for sealing a gap between the first material mixing portion 3 and the through hole 51 to prevent metal powder from entering the inside of the rotation support portion 5 from the through hole 51.

In the above embodiments, the flexible sealing member 8 is a flexible rubber layer or a flexible cloth layer.

Referring to fig. 1, in an embodiment, the first driving portion 6 includes a power portion 61 and a driving shaft 61 disposed at an output end of the power portion 61, an end of the driving shaft 61 far from the power portion 61 is fixedly connected to the rotation supporting portion 5, and the power portion 62 is configured to drive the driving shaft 62 to rotate.

Drive pivot 61 through power portion 62 and rotate, and then drive rotation support portion 5 and rotate to drive the circular motion of first compounding portion 3, realize the horizontal stirring of metal powder.

In another embodiment, the first driving portion 61 may further include a sleeve sleeved outside the rotating support portion 5, a plurality of electromagnet pieces fixedly disposed on an inner wall of the sleeve, and a plurality of permanent magnet pieces fixedly disposed on an outer wall of the rotating support portion 5, where the electromagnet pieces and the permanent magnet pieces are distributed oppositely.

The electromagnet sheet is magnetized by electrifying the electromagnet sheet, and the rotation support part 5 is driven to rotate by the repulsion between the electromagnet sheet and the permanent magnet sheet.

In the above embodiment, the power unit 62 is a stepping motor or a servo motor.

Referring to fig. 1, in an embodiment, the storage portion 1 is a box or a cylinder structure, a plurality of support legs 12 are fixedly disposed at the bottom of the storage portion 1, a discharge pipe 11 is further disposed at the bottom of the storage portion 1, and a discharge valve is disposed on the discharge pipe 11.

Referring to fig. 1, in one embodiment, the rotating support 5 is a rotating cylinder or a rotating box, and the fixed support 4 is a support post or a support shaft.

Referring to fig. 2, in an embodiment, the first material mixing portion 3 is a rod-shaped or tubular structure with a hollow interior, the material ejecting assembly 21 is a material ejecting rod or a material ejecting sheet, the sliding member 22 is a sliding sleeve or a sliding plate, and the sliding member 33 is a plate-shaped or spherical structure.

In the embodiment of the invention, the first driving part 6 drives the rotating support part 5 to move circularly inside the storage part 1, so as to drive the first mixing part 3 to move circularly, so as to stir the metal powder in the horizontal direction, when the first mixing part 3 moves circularly, the fixed support part 4 can drive the first mixing part 3 to swing up and down, so as to stir the metal powder in the vertical direction, and when the first mixing part 3 swings up and down, the second driving part 7 drives the second mixing part 2 to move back and forth along the first mixing part 3 under the action of gravity, so as to stir the metal powder transversely.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.