CN215750807U - 3D prints and uses raw material mixing device - Google Patents

Abstract

The utility model discloses a raw material stirring device for 3D printing, and relates to the technical field of 3D printing. The electric bicycle comprises an upper plate, a lower plate and a main body, wherein the lower part of the main body is of a sphere-like structure, the main body penetrates through and is fixedly connected with the upper plate, four corners of the lower surface of the upper plate are fixedly connected with supporting columns, the supporting columns penetrate through and are fixedly connected with the lower plate, the lower surface of the lower plate is flush with the lower surface of the main body, the upper surface of the main body is fixedly connected with a motor, and the motor penetrates through the top of the main body and is fixedly connected with a first rotating shaft. According to the utility model, the lower part of the main body is arranged into the sphere-like structure, and the cylinder, the connecting block, the semicircular baffle block and the like are used in a matched manner, so that the blanking of the stirring device is realized, and meanwhile, the sphere-like structure avoids the raw materials from remaining in the main body; through the cooperation use of motor, agitating unit etc. improved stirring efficiency and stirring effect.

Description

3D prints and uses raw material mixing device

Technical Field

The utility model belongs to the technical field of 3D printing, and particularly relates to a raw material stirring device for 3D printing.

Background

3D printing is one of rapid prototyping technologies, and is a technology which is based on a digital model file, utilizes a bondable material such as powdered metal or plastic and the like, and constructs an object in a layer-by-layer printing mode, wherein the 3D printing material is an important material basis of the 3D printing technology, the performance of the 3D printing material determines the comprehensive performance of a part to a great extent, and the 3D printing material is developed to the present, has very abundant material types, and the main types comprise a polymer material, a metal material, a ceramic material and the like. When 3D printing is carried out, the requirements of printing substances on raw materials are different, and for metal materials, the evaluation indexes of the metal powder for 3D printing mainly comprise chemical components, particle size distribution and particle size distribution, powder morphology, powder apparent density and tap density, powder flowability and the like, so that the metal powder prepared by atomization needs to be screened for 3D printing. There are also different requirements for other materials in bulk, where for materials in powder form, it is often necessary to mix the materials to improve the effect of 3D printing, and the effect of stirring is of utmost importance.

Chinese patent CN201921182956.2 proposes an efficient stirring device for injection molding raw materials for 3D printing, which comprises a bottom plate, a fixing frame and a stirring and mixing box, wherein the fixing frame is in a frame shape and is positioned on the bottom plate, and two sides of the bottom of the fixing frame are vertically provided with supporting plates which are connected with the bottom plate through the supporting plates; the stirring and mixing box is arranged in the fixed frame, a support frame and a telescopic cylinder are arranged at the top of the stirring and mixing box, the telescopic cylinder is fixed on two sides of the top of the stirring and mixing box, and the output end of the telescopic cylinder is connected with the support frame; the support frame is provided with a motor and two feed hoppers, the motor is positioned between the two feed hoppers, and the output end of the motor penetrates through the support frame and is connected with a stirring shaft; the stirring shaft runs through the top of the stirring mixing box and extends into the stirring mixing box, stirring blades are arranged on the stirring shaft, and the stirring shaft can move up and down in the stirring mixing box under the driving of the telescopic cylinder. When this scheme stirs the raw materials, has realized reciprocating the stirring, nevertheless when carrying out the ejection of compact, the bottom of agitator tank easily leads to remaining, and the ejection of compact is not abundant, when causing the raw materials mixture of next batch, leaves impurity component in the raw materials, influences the result that 3D printed.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the related art, the utility model provides a raw material stirring device for 3D printing, which aims to overcome the technical problems in the prior related art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a raw material stirring device for 3D printing, which comprises an upper plate, a lower plate and a main body, wherein the lower part of the main body is of a sphere-like structure, the main body penetrates through and is fixedly connected with the upper plate, four corners of the lower surface of the upper plate are fixedly connected with supporting columns, the supporting columns penetrate through and are fixedly connected with the lower plate, the lower surface of the lower plate is flush with the lower surface of the main body, the upper surface of the main body is fixedly connected with a motor, the motor penetrates through the top of the main body and is fixedly connected with a first rotating shaft, a stirring device is fixedly connected onto the first rotating shaft, and the middle part of the lower surface of the lower plate is fixedly connected with a blanking device.

Further, agitating unit includes the stirring leaf, the upper surface of stirring leaf rotates and is connected with a plurality of pivot two, keeping away from of pivot two the one end of stirring leaf runs through and fixedly connected with impeller, the one end fixedly connected with stirring frame of motor is kept away from to pivot one, the outer wall of stirring frame with main part inner wall lower part is tangent to be closed.

Further, unloader includes the cylinder, cylinder fixed connection be in hypoplastron lower surface one side, the output pole fixedly connected with connecting block of cylinder, the connecting block is kept away from the semicircular dog of one side fixedly connected with of cylinder.

Further, the diameter of the semicircular stopper is not smaller than the bottom radius of the main body.

Further, the outer wall of the stirring frame is matched with the lower part of the inner wall of the main body.

The utility model has the following beneficial effects:

1. according to the utility model, the lower part of the main body is arranged into the sphere-like structure, and the cylinder, the connecting block, the semicircular baffle block and the like are used in a matched manner, so that the blanking of the stirring device is realized, and meanwhile, the sphere-like structure avoids the raw materials from remaining in the main body;

2. the stirring device improves the stirring efficiency and the stirring effect by matching the motor, the stirring device and the like.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a bottom block diagram of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is an enlarged view of the utility model at A;

fig. 5 is a structural view of the stirring frame of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an upper plate; 2. a lower plate; 3. a main body; 4. a pillar; 5. a motor; 6. a first rotating shaft; 7. a stirring device; 8. a blanking device; 9. stirring blades; 10. a second rotating shaft; 11. a small impeller; 12. a stirring frame; 13. a cylinder; 14. connecting blocks; 15. a semicircular stop block; 16. and (4) feeding a pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open", "upper", "lower", "top", "middle", "inner", and the like, indicate positional or orientational relationships and are used merely for convenience in describing the utility model and for simplicity in description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Referring to fig. 1-5, the present invention is a raw material stirring apparatus for 3D printing, including an upper plate 1, a lower plate 2, and a main body 3, and is characterized in that: the lower part of main part 3 is the spheroidal structure, main part 3 runs through and fixed connection upper plate 1, the equal fixedly connected with pillar 4 in 1 lower surface four corners of upper plate, pillar 4 runs through and fixed connection hypoplastron 2, the lower surface of hypoplastron 2 with the lower surface parallel and level of main part 3, the last fixed surface of main part 3 is connected with motor 5, motor 5 runs through the top fixedly connected with pivot 6 of main part 3, fixedly connected with agitating unit 7 on the pivot 6, the lower surface middle part fixedly connected with unloader 8 of hypoplastron 2.

In an embodiment, for the above stirring device 7, the stirring device 7 includes a stirring blade 9, the upper surface of the stirring blade 9 is rotatably connected with a plurality of second rotating shafts 10, one end of each second rotating shaft 10, which is far away from the stirring blade 9, penetrates through and is fixedly connected with a small impeller 11, one end of each first rotating shaft 6, which is far away from the motor 5, is fixedly connected with a stirring frame 12, and the outer wall of each stirring frame 12 is matched with the lower portion of the inner wall of the main body 3, so that when the first rotating shaft 6 rotates, the stirring frames 12 and the stirring blade 9 are driven to rotate, wherein the stirring frames 12 stir the lower portion of the main body 3, and the stirring blades 9 stir the positions of the main body 3 except the lower portion, and during the stirring process, the raw material collides with the small impeller 11, so that the small impellers further stir the raw material, thereby improving the stirring effect. In addition, when the stirring blade 9 is specifically used, at least 3 groups are provided.

In an embodiment, for the above blanking device 8, the blanking device 8 includes an air cylinder 13, the air cylinder 13 is fixedly connected to one side of the lower surface of the lower plate 2, a connecting block 14 is fixedly connected to an output rod of the air cylinder 13, and a semicircular stop block 15 is fixedly connected to one side of the connecting block 14 away from the air cylinder 13, so that when blanking is performed, the air cylinder 13 is reset to drive the semicircular stop block 15 to separate, and then a blanking opening at the bottom of the main body 3 is exposed, and further raw materials are discharged. In addition, when the device is used, the semicircular stopper 15 is interactively connected with the lower surface of the lower plate 2.

In one embodiment, for the semicircular block 15, the diameter of the semicircular block 15 is not smaller than the radius of the bottom of the main body 3, so that when the semicircular block is closed, the discharge hole at the bottom of the main body 3 can be completely closed, and the raw material leakage during stirring is avoided.

In one embodiment, for the stirring frame 12, the outer wall of the stirring frame 12 is matched with the lower part of the inner wall of the main body 3, so that the stirring can not be carried out at the edge. In addition, when specifically using, avoid the raw materials in the middle of the main part 3 lower part can't obtain effectual stirring, at the epaxial stirring wheel of installation in the middle part of stirring frame 12, internal stress makes the stirring wheel rotate when utilizing the stirring, and then stirs.

In summary, according to the above technical solution of the present invention, when stirring raw materials, the raw materials are put into the main body 3 through the feeding pipe 16, then the motor 5 is started, the motor 5 drives the first rotating shaft 6 to rotate, and further drives the stirring vane 9 and the stirring rack 12 to rotate, the stirring rack 12 stirs the lower portion of the main body 3, the stirring vane 9 stirs the main body 3 except the lower portion, during the stirring process, the raw materials collide with the small vane wheel 11, and further stir the raw materials by the small vane wheel, so as to improve the stirring effect; after the stirring, start cylinder 13, make cylinder 13 reset, cylinder 13 drives the separation of semicircular dog 15, and then makes the feed opening of main part 1 bottom expose, then motor 5 continues to rotate, until all raw materials discharge, then with stretching out of cylinder 13 again, makes the closed feed opening of semicircular dog 15 seal.

Through the technical scheme, 1, the lower part of the main body 3 is arranged to be of a sphere-like structure, and the cylinder 13, the connecting block 14, the semicircular baffle block 15 and the like are used in a matched mode, so that the stirring device is fed, and meanwhile, the sphere-like structure avoids the raw materials from remaining in the main body 3; 2. through the cooperation use of motor 5, agitating unit 7 etc. improved stirring efficiency and stirring effect.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to help illustrate the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and its practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (4)

1. The utility model provides a 3D prints and uses raw materials agitating unit, includes upper plate (1), hypoplastron (2), main part (3), its characterized in that: the lower part of main part (3) is the quasi-spherical structure, main part (3) run through and fixed connection upper plate (1), the equal fixedly connected with pillar (4) in upper plate (1) lower surface four corners, pillar (4) run through and fixed connection hypoplastron (2), the lower surface of hypoplastron (2) with the lower surface parallel and level of main part (3), the last fixed surface of main part (3) is connected with motor (5), motor (5) run through the top fixedly connected with pivot (6) of main part (3), fixedly connected with agitating unit (7) on pivot (6), the lower surface middle part fixedly connected with unloader (8) of hypoplastron (2)

Unloader (8) include cylinder (13), cylinder (13) fixed connection be in hypoplastron (2) lower surface one side, the output lever fixedly connected with connecting block (14) of cylinder (13), connecting block (14) are kept away from semi-circular dog (15) of one side fixedly connected with of cylinder (13).

2. The raw material stirring device for 3D printing according to claim 1, wherein the stirring device (7) comprises a stirring blade (9), the upper surface of the stirring blade (9) is rotatably connected with a plurality of second rotating shafts (10), one end of each second rotating shaft (10) far away from the stirring blade (9) penetrates through and is fixedly connected with a small impeller (11), and one end of each first rotating shaft (6) far away from the motor (5) is fixedly connected with a stirring frame (12).

3. The 3D printing raw material stirring device as claimed in claim 1, wherein the diameter of the semicircular stopper (15) is not smaller than the bottom radius of the main body (3).

4. The 3D printing raw material stirring device is characterized in that the outer wall of the stirring frame (12) is matched with the lower part of the inner wall of the main body (3).

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