CN216860246U - Stirring mechanism is supplied with to material that 3D printed - Google Patents

Abstract

The utility model belongs to the technical field of 3D printing, and particularly relates to a material supplying and stirring mechanism for 3D printing, which comprises a material tank, wherein the upper surface of the material tank is fixedly connected with a driving shell, a driving mechanism is arranged in the driving shell, the driving mechanism comprises a driving bevel gear, and the driving bevel gear uniformly stirs materials in the material tank in the rotating process; the fixed intercommunication of lower surface of material jar has prevents stifled pipeline, prevents that the inside of preventing stifled pipeline is provided with prevents blockking up the mechanism, prevents blockking up the mechanism and includes the push pedal, and the push pedal promotes the ejection of compact to the material in the inside of preventing stifled pipeline carries out the pivoted in-process. This rabbling mechanism is supplied with to material that 3D printed rotates through the (mixing) shaft and drives the push pedal and rotate in the inside of preventing stifled pipeline to promote the material of gushing into preventing stifled pipeline, make it flow from the discharge opening, the brush of push pedal lower surface brushes the discharge opening when rotating simultaneously, can prevent the jam of discharge opening.

Description

Stirring mechanism is supplied with to material that 3D printed

Technical Field

The utility model relates to the technical field of 3D printing, in particular to a material supply stirring mechanism for 3D printing.

Background

3D printing is typically implemented using digital technology material printers. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available.

At present, in the field of 3D printing, in the process of extruding a nozzle, the nozzle is blocked due to sedimentation of materials in a material tank, so that the printing forming precision and efficiency are reduced, and meanwhile, a stirring shaft is directly connected with an output shaft of a stirring motor, so that the stirring shaft is unstable in high-speed rotation in the stirring process, and the stirring effect is inserted, therefore, the defects of the technical problems are overcome.

SUMMERY OF THE UTILITY MODEL

Based on the technical problems that the nozzle is blocked due to sedimentation of materials in the existing 3D printing material tank, the printing forming precision and efficiency are reduced, and meanwhile, the stirring shaft is unstable, the utility model provides a material supplying and stirring mechanism for 3D printing.

The material supplying and stirring mechanism for 3D printing comprises a material tank, wherein a driving shell is fixedly connected to the upper surface of the material tank, a driving mechanism is arranged inside the driving shell, the driving mechanism comprises a driving bevel gear, and the driving bevel gear uniformly stirs materials in the material tank in the rotating process;

the lower fixed surface intercommunication of material jar has prevents stifled pipeline, prevent that the inside of preventing stifled pipeline is provided with prevents blockking up the mechanism, prevent blockking up the mechanism and include the push pedal, the push pedal is in prevent that the inside of preventing stifled pipeline carries out the pivoted in-process and promotes the ejection of compact to the material, avoid the material to pile up prevent that stifled pipeline is inside to cause the jam.

Preferably, the inner top wall of the material tank is rotatably connected with a stirring shaft, one end of the stirring shaft extends into the driving shell, the outer surface of the stirring shaft is fixedly sleeved with the inner wall of the driving conical gear, the inner bottom wall of the driving shell is fixedly connected with a speed reduction motor, the outer surface of an output shaft of the speed reduction motor is fixedly connected with a driven conical gear through a coupler, and the outer surface of the driving conical gear is meshed with the outer surface of the driven conical gear;

through the technical scheme, when the material is placed in the material tank, the output shaft of the speed reduction motor drives the driven bevel gear to rotate through the work of the speed reduction motor inside the driving shell, so that the driving bevel gear meshed with the driving bevel gear drives the stirring shaft to highly rotate at a constant speed in the material tank, and the material is uniformly stirred through the meshing transmission of the gears.

Preferably, the outer surface of the stirring shaft is fixedly sleeved with a stirring wheel cutter, and the inner side wall of the material tank is fixedly connected with a toothed cutter in an annular array;

through the technical scheme, the stirring flywheel sword is the flabellum form, and be crisscross setting from top to bottom for a plurality of stirring flywheel knives, thereby utilize the radian of flabellum, can fly to cut the piece of material, the material that can be convenient for of crisscross setting simultaneously carries out the misce bene stirring, and the upper and lower inside wall distribution of material jar has and is annular serrated knife, the contact of reducible material and material jar inside wall, thereby reduce adhering to of material, get rid of the material on the surface of serrated knife when stirring the flywheel sword simultaneously, can further realize the stirring of material.

Preferably, the outer surface of the anti-blocking pipeline is fixedly communicated with a discharge pipe through a fixing hoop, the outer surface of the lower end of the stirring shaft is fixedly connected with the inner bottom wall of the anti-blocking pipeline through a bearing seat, the lower surface of the anti-blocking pipeline is fixedly communicated with a fan-shaped concave pipe, and the inner bottom wall of the fan-shaped concave pipe and the inner bottom wall of the anti-blocking pipeline are both provided with a discharge hole in a penetrating manner;

through above-mentioned technical scheme, the external shower nozzle of discharge gate of discharging pipe to can emit the material that stirs in the material jar, the setting up of fan-shaped concave pipe makes prevents stifled pipeline and presents the level setting, and the interior diapire level of fan-shaped concave pipe is less than the interior diapire that prevents stifled pipeline, and when opening the shower nozzle, the material that stirs spills through the discharge opening that prevents stifled pipeline and fan-shaped concave pipe and through the discharging pipe, and the impurity in the discharge opening pair material is filtered.

Preferably, the outer surface of the stirring shaft is fixedly sleeved with the outer surface of the push plate, the lower surface of the push plate is fixedly connected with a brush, the outer surface of the brush is in sliding contact with the inner bottom wall of the anti-blocking pipeline, and the outer surface of the push plate is in a rectangular array and is fixedly connected with cutting knives;

through above-mentioned technical scheme, the (mixing) shaft rotates and drives the push pedal and rotate in the inside of preventing stifled pipeline to promote the material of gushing into preventing stifled pipeline, make it flow from the discharge opening, the brush of push pedal lower surface brushes the discharge opening when rotating simultaneously, can prevent the jam of discharge opening, the cutting knife on its surface of push pedal when rotating further stirs the material, prevents that (mixing) shaft and stirring flywheel sword from not carrying out the intensive mixing with the material.

Preferably, the inner bottom wall of the fan-shaped concave pipe is fixedly connected with a compression spring, the free end of the compression spring is fixedly connected with a bearing plate, and the surface of the bearing plate is provided with sieve pores in a penetrating manner;

through the technical scheme, when opening the shower nozzle, the material that has stirred leaks through the discharging pipe through the sieve mesh in preventing stifled pipeline and the fan-shaped concave pipe, and impurity in the material is then attached to the inner diapire of preventing stifled pipeline, the brush of the promotion and the brush of through the push pedal for impurity drops to the board surface of accepting of fan-shaped concave pipe, the diameter of sieve mesh is less than the diameter of discharge opening, therefore under the suction effect when the shower nozzle is opened, impurity then stays the surface of accepting the board, thereby the purity of material has been guaranteed.

The beneficial effects of the utility model are as follows:

1. through setting up actuating mechanism for the (mixing) shaft guarantees stably at the stirring in-process in the material jar, and at the in-process of adjusting, through the work of the inside gear motor of drive casing, makes its output shaft drive driven bevel gear and rotate, thereby the initiative bevel gear who meshes with it drives the (mixing) shaft and carries out high uniform velocity rotation in the material jar, thereby utilizes the meshing transmission of gear to realize the even stirring of material.

2. Through setting up and preventing blockking up the mechanism, can avoid material jam in the discharging pipe, printing shaping precision and efficiency have been reduced, at the in-process of adjusting, rotate through the (mixing) shaft and drive the push pedal and rotate in the inside of preventing stifled pipeline, thereby promote the material of preventing stifled pipeline of gushing into, make it flow from the discharge opening, the brush of push pedal lower surface brushes the discharge opening when rotating simultaneously, can prevent the jam of discharge opening, the promotion through the push pedal and the brush of brush move, make impurity drop to the board surface of accepting of fan-shaped concave pipe, the diameter of sieve mesh is less than the diameter of discharge opening, therefore under the suction effect when the shower nozzle is opened, impurity then stays the surface of accepting the board, thereby the purity of material has been guaranteed, thereby printing shaping precision and efficiency have been improved.

Drawings

Fig. 1 is a schematic diagram of a material supplying and stirring mechanism for 3D printing according to the present invention;

fig. 2 is a perspective view of a stirring wheel cutter structure of a 3D printing material supply stirring mechanism according to the present invention;

fig. 3 is a perspective view of a serrated knife structure of a material supply stirring mechanism for 3D printing according to the present invention;

FIG. 4 is a perspective view of an anti-blocking pipeline structure of a 3D printing material supply stirring mechanism provided by the utility model;

FIG. 5 is a perspective view of a push plate structure of a 3D printing material feeding and stirring mechanism provided by the utility model;

FIG. 6 is a perspective view of a fan-shaped concave pipe structure of a material supplying and stirring mechanism for 3D printing according to the present invention;

fig. 7 is a perspective view of a receiving plate structure of a material supplying and stirring mechanism for 3D printing according to the present invention.

In the figure: 1. a material tank; 11. a toothed cutter; 2. a drive housing; 21. a reduction motor; 22. a driven bevel gear; 3. a driving bevel gear; 4. an anti-blocking pipeline; 41. a discharge pipe; 42. a fan-shaped concave pipe; 43. a discharge hole; 44. a compression spring; 45. a bearing plate; 46. screening holes; 5. pushing the plate; 51. a brush; 52. a cutting knife; 6. a stirring shaft; 61. and (4) stirring the flywheel knife.

Detailed Description

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.

Referring to fig. 1-7, a material supplying and stirring mechanism for 3D printing includes a material tank 1, a driving housing 2 is fixedly connected to the upper surface of the material tank 1, a driving mechanism is arranged inside the driving housing 2, the driving mechanism includes a driving bevel gear 3, and the driving bevel gear 3 uniformly stirs the material in the material tank 1 in the rotating process;

the inner top wall of the material tank 1 is rotatably connected with a stirring shaft 6, one end of the stirring shaft 6 extends into the driving shell 2, the outer surface of the stirring shaft 6 is fixedly sleeved with the inner wall of the driving conical gear 3, the inner bottom wall of the driving shell 2 is fixedly connected with a speed reducing motor 21, the outer surface of an output shaft of the speed reducing motor 21 is fixedly connected with a driven conical gear 22 through a coupler, the outer surface of the driving conical gear 3 is meshed with the outer surface of the driven conical gear 22, when the material is placed in the material tank 1, the speed reducing motor 21 in the driving shell 2 works to enable the output shaft of the speed reducing motor to drive the driven conical gear 22 to rotate, so that the driving conical gear 3 meshed with the driving conical gear drives the stirring shaft 6 to rotate in the material tank 1 at a high uniform speed, and the material is uniformly stirred by means of meshing transmission of gears;

the outer surface of the stirring shaft 6 is fixedly sleeved with the stirring wheel cutter 61, the inner side wall of the material tank 1 is fixedly connected with the tooth cutters 11 in an annular array manner, the stirring wheel cutter 61 is in a fan blade shape, and the stirring wheel cutters 61 are arranged in a staggered manner from top to bottom, so that the materials can be cut and shredded by utilizing the radian of the fan blades, the materials can be uniformly mixed and stirred conveniently by virtue of the staggered arrangement, the annular tooth cutters 11 are distributed on the upper inner side wall and the lower inner side wall of the material tank 1, the contact between the materials and the inner side wall of the material tank 1 can be reduced, the adhesion of the materials can be reduced, the materials are thrown onto the surface of the tooth cutters 11 when the stirring wheel cutter 61 is used for stirring, and the stirring of the materials can be further realized;

through setting up actuating mechanism for (mixing) shaft 6 guarantees stably at the stirring in-process in material jar 1, and at the in-process of adjusting, through the work of the inside gear motor 21 of drive casing 2, makes its output shaft drive driven bevel gear 22 and rotate, thereby drives (mixing) shaft 6 and carry out high uniform velocity rotation in material jar 1 with initiative bevel gear 3 of meshing with it, thereby utilizes the meshing transmission of gear to realize the even stirring of material.

The lower surface of the material tank 1 is fixedly communicated with an anti-blocking pipeline 4, an anti-blocking mechanism is arranged inside the anti-blocking pipeline 4, the anti-blocking mechanism comprises a push plate 5, the push plate 5 pushes materials to be discharged in the process of rotating inside the anti-blocking pipeline 4, and the materials are prevented from being accumulated inside the anti-blocking pipeline 4 to cause blocking;

the outer surface of the anti-blocking pipeline 4 is fixedly communicated with a discharge pipe 41 through a fixing hoop, the outer surface of the lower end of a stirring shaft 6 is fixedly connected with the inner bottom wall of the anti-blocking pipeline 4 through a bearing seat, the lower surface of the anti-blocking pipeline 4 is fixedly communicated with a fan-shaped concave pipe 42, the inner bottom wall of the fan-shaped concave pipe 42 and the inner bottom wall of the anti-blocking pipeline 4 are both provided with discharge holes 43 in a penetrating mode, a discharge hole of the discharge pipe 41 is externally connected with a spray head, and therefore stirred materials in the material tank 1 can be discharged, the anti-blocking pipeline 4 is arranged in a hierarchical mode through the fan-shaped concave pipe 42, the inner bottom wall of the fan-shaped concave pipe 42 is lower in level than the inner bottom wall of the anti-blocking pipeline 4, when the spray head is opened, the stirred materials leak through the discharge holes 43 of the anti-blocking pipeline 4 and the fan-shaped concave pipe 42 and through the discharge pipe 41, and impurities in the materials are filtered through the discharge holes 43;

the outer surface of the stirring shaft 6 is fixedly sleeved with the outer surface of the push plate 5, the lower surface of the push plate 5 is fixedly connected with a brush 51, the outer surface of the brush 51 is in sliding contact with the inner bottom wall of the anti-blocking pipeline 4, the outer surface of the push plate 5 is fixedly connected with cutting knives 52 in a rectangular array, the stirring shaft 6 rotates to drive the push plate 5 to rotate inside the anti-blocking pipeline 4, so that materials flowing into the anti-blocking pipeline 4 are pushed to flow out of the discharge hole 43, meanwhile, the brush 51 on the lower surface of the push plate 5 brushes the discharge hole 43 when rotating, the blockage of the discharge hole 43 can be prevented, the cutting knives 52 on the surface of the push plate 5 further stir the materials when rotating, and the stirring shaft 6 and the stirring flywheel 61 are prevented from not fully stirring the materials;

the inner bottom wall of the fan-shaped concave pipe 42 is fixedly connected with a compression spring 44, the free end of the compression spring 44 is fixedly connected with a bearing plate 45, the surface of the bearing plate 45 is penetrated by a sieve hole 46, when the spray head is opened, the stirred material passes through the anti-blocking pipeline 4 and the sieve hole 46 in the fan-shaped concave pipe 42 and leaks out through the discharge pipe 41, impurities in the material are attached to the inner bottom wall of the anti-blocking pipeline 4, and are pushed by the push plate 5 and brushed by the brush 51, so that the impurities fall onto the surface of the bearing plate 45 of the fan-shaped concave pipe 42, the diameter of the sieve hole 46 is smaller than that of the discharge hole 43, and the impurities are left on the surface of the bearing plate 45 under the action of suction force when the spray head is opened, so that the purity of the material is ensured;

through setting up and preventing blockking up the mechanism, can avoid material jam in the discharging pipe 41, printing shaping precision and efficiency have been reduced, at the in-process of adjusting, it rotates the inside that drives push pedal 5 at anti-blocking pipe way 4 through (mixing) shaft 6, thereby promote the material of gushing into anti-blocking pipe way 4, make it flow out from discharge opening 43, simultaneously brush 51 of push pedal 5 lower surface brushes discharge opening 43 when rotating, can prevent the jam of discharge opening 43, through push pedal 5's promotion and brush 51's brush, make impurity drop to fan-shaped concave pipe 42's receiving board 45 surface, sieve mesh 46's diameter is less than the diameter of discharge opening 43, therefore under the suction effect when the shower nozzle is opened, impurity then stays the surface of receiving board 45, thereby the purity of material has been guaranteed, thereby printing shaping precision and efficiency have been improved.

The working principle is as follows: in the specific embodiment of the utility model, the material is placed in the material tank 1, the speed reduction motor 21 in the shell 2 is driven to work, the output shaft of the speed reduction motor drives the driven bevel gear 22 to rotate, so that the driving bevel gear 3 meshed with the driven bevel gear drives the stirring shaft 6 to rotate in the material tank 1 at a constant height and speed, the stirring wheel knife 61 is further driven to perform fly-cutting and chopping on the material, and meanwhile, the material is thrown onto the surface of the toothed knife 11 when the stirring wheel knife 61 is used for stirring, so that the stirring of the material can be further realized;

when opening the shower nozzle, (mixing) shaft 6 rotates and drives push pedal 5 and rotate in the inside of preventing stifled pipeline 4, thereby promote surging the material that prevents stifled pipeline 4, make it flow out from discharge opening 43, simultaneously the brush 51 of push pedal 5 lower surface brushes discharge opening 43 when rotating, can prevent the jam of discharge opening 43, push pedal 5 further stirs the material when rotating its surperficial cutting knife 52, through push pedal 5's promotion and brush 51's brush, make impurity drop to fan-shaped concave pipe 42 accept board 45 surface, therefore under the suction effect when the shower nozzle is opened, compression spring 44, impurity then stays the surface of accepting board 45.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a rabbling mechanism is supplied with to material that 3D printed, includes material jar (1), its characterized in that: the material stirring device is characterized in that a driving shell (2) is fixedly connected to the upper surface of the material tank (1), a driving mechanism is arranged inside the driving shell (2), the driving mechanism comprises a driving bevel gear (3), and the driving bevel gear (3) uniformly stirs materials in the material tank (1) in the rotating process;

the lower fixed surface intercommunication of material jar (1) has prevents stifled pipeline (4), the inside of preventing stifled pipeline (4) is provided with prevents blockking up the mechanism, prevent blockking up the mechanism and include push pedal (5), push pedal (5) are in prevent that the inside of stifled pipeline (4) carries out the pivoted in-process and promote the ejection of compact to the material, avoid the material to pile up prevent stifled pipeline (4) inside and cause the jam.

2. 3D printed material feeding stirring mechanism according to claim 1, characterized in that: the interior roof of material jar (1) rotates and is connected with (mixing) shaft (6), the one end of (mixing) shaft (6) extends to the inside of drive casing (2), the surface of (mixing) shaft (6) with the inner wall fixed cup joint of initiative conical gear (3), the interior bottom wall fixedly connected with gear motor (21) of drive casing (2), the output shaft surface of gear motor (21) passes through shaft coupling fixedly connected with driven conical gear (22), the surface of initiative conical gear (3) with the surface toothing of driven conical gear (22).

3. 3D printed material feeding stirring mechanism according to claim 2, characterized in that: the outer fixed surface of (mixing) shaft (6) has cup jointed stirring flywheel sword (61), the inside wall of material jar (1) is annular array fixedly connected with serrated knife (11).

4. 3D printed material feeding stirring mechanism according to claim 2, characterized in that: prevent that the surface of stifled pipeline (4) has discharging pipe (41) through the fixed intercommunication of fixed clamp, the lower extreme surface of (mixing) shaft (6) pass through the bearing frame with prevent the interior diapire fixed connection of stifled pipeline (4), the lower fixed surface intercommunication of preventing stifled pipeline (4) has fan-shaped concave pipe (42), the interior diapire of fan-shaped concave pipe (42) with prevent that the interior diapire of stifled pipeline (4) all runs through and has seted up discharge opening (43).

5. The material-feeding stirring mechanism for 3D printing according to claim 4, wherein: the surface of (mixing) shaft (6) with the external fixation of push pedal (5) cup joints, the lower fixed surface of push pedal (5) is connected with brush (51), the surface of brush (51) with prevent stifled pipeline (4)'s interior diapire sliding contact, the surface of push pedal (5) is rectangular array fixedly connected with cutting knife (52).

6. The material-feeding stirring mechanism for 3D printing according to claim 4, wherein: the inner bottom wall of the fan-shaped concave pipe (42) is fixedly connected with a compression spring (44), the free end of the compression spring (44) is fixedly connected with a bearing plate (45), and sieve holes (46) are formed in the surface of the bearing plate (45) in a penetrating mode.

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