CN219727213U

CN219727213U - Bicolor particle gradient 3D printing extrusion device

Info

Publication number: CN219727213U
Application number: CN202321275049.9U
Authority: CN
Inventors: 孙齐昊; 华好; 徐光�; 谭金璐
Original assignee: Zhejiang Shaoxing Kang Micro Robot Co ltd
Current assignee: Zhejiang Shaoxing Kang Micro Robot Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-09-22
Anticipated expiration: 2033-05-24

Abstract

The utility model belongs to the field of 3D printing material processing equipment, in particular to a bicolor particle gradient 3D printing extrusion device, which comprises: the color master batch material bin is fixedly connected with a blanking pipe at the bottom of the color master batch material bin; the main material granule feed bin, the main material granule feed bin is installed on the unloading pipe, the bottom fixed connection of main material granule feed bin is diapaused the feed cylinder, the feed opening has been seted up to the junction of diapause the feed cylinder and main material granule feed bin, and the unloading pipe stretches into in the feed opening, and the feed opening is greater than the unloading pipe. According to the utility model, through the first motor and the adjusting plate structure, the deflection angle between the adjusting plate and the blanking pipe can be controlled, and the blanking rate of the color master batch particles entering the stagnation cylinder is controlled, so that the blanking amount of the internal color master batch particles among units is controlled, the mixing proportion between the color master batch particles and the main material particles is conveniently and accurately adjusted, and the requirement of mass accurate printing of the bicolor gradient gradual change products is met.

Description

Bicolor particle gradient 3D printing extrusion device

Technical Field

The utility model relates to the technical field of 3D printing material processing equipment, in particular to a bicolor particle gradient 3D printing extrusion device.

Background

The 3D printing technology is also called additive manufacturing technology, and the forming process comprises the steps of firstly adopting three-dimensional modeling software such as NX, pro/E, soliWorks, 3DMAX and the like to carry out three-dimensional modeling on a product to be printed, then exporting a file in STL format to the cut and other layering software, layering the model by using the layering software, setting parameters such as layer height, deposition angle, temperature and the like, generating a GCODE file, finally importing the GCODE file into a 3D printer, automatically reading the file by a machine, layering the material on a working platform, and finally printing the whole product; the forming technology mainly comprises the following steps: fused Deposition Modeling (FDM), photo-curing rapid prototyping (SLA), selective laser sintering prototyping (SLS), layered solid fabrication (LOM), three-dimensional printing fabrication (3 DP), and the like. The existing 3D printing technology of the fused particles of the industrial robot is mature in the aspect of single material extrusion forming, and the existing patent (publication number: CN 215620033U) discloses a material extrusion device of a 3D printer, which cannot control the mixing proportion of multiple materials, needs to control the multiple material proportion manually according to experience, is time-consuming and labor-consuming, and cannot meet the requirement of mass accurate printing of a bicolor gradient gradual change product.

Disclosure of Invention

The utility model aims to provide a bicolor particle gradient 3D printing extrusion device which can accurately control the mixing proportion of multiple materials.

The technical scheme adopted by the utility model is as follows:

bicolor particle gradient 3D prints extrusion device, includes:

the color master batch material bin is fixedly connected with a blanking pipe at the bottom of the color master batch material bin;

the main material particle bin is arranged on the blanking pipe, the bottom of the main material particle bin is fixedly connected with a stagnation cylinder, a blanking port is formed in the joint of the stagnation cylinder and the main material particle bin, the blanking pipe stretches into the blanking port, and the blanking port is larger than the blanking pipe;

the extrusion charging barrel is fixedly connected to the bottom end of the stagnation charging barrel, a material conveying rod is rotatably connected in the extrusion charging barrel, and a nozzle is arranged at the bottom end of the extrusion charging barrel;

the first motor is fixed on the inner wall of the main material particle bin, the output end of the first motor is fixedly connected with an adjusting plate, and the adjusting plate penetrates through the blanking pipe and is connected with the blanking pipe in a rotating mode.

Based on the technical scheme, the application principle and the generated technical effects are as follows:

when the raw materials need to be extruded, the raw materials of the color master particles are firstly conveyed into the raw material bin through the raw material feeding hose, then the raw materials of the main materials are conveyed into the raw material bin through the raw material feeding hose, at the moment, the raw materials of the color master particles can flow into the stagnation barrel through the blanking pipe, the raw materials of the main materials can flow into the stagnation barrel through the blanking hole, so that the two raw materials can be mixed, the mixed raw materials can enter the extrusion barrel, the raw materials are heated through an electric heater (not shown in the drawing) to be melted, then a second motor is started to drive a conveying rod to rotate, the raw materials are piled up at the bottom end of the extrusion barrel, when the piled up pressure is large enough, the conveying rod can extrude the melted raw materials from a nozzle during rotation, and in the blanking process of the raw materials of the color master particles, the first motor is started to drive an adjusting plate to deflect in the blanking pipe, the position relation between the adjusting plate and the blanking pipe is adjusted, the blanking rate of the color master particles can be controlled, and the blanking rate of the color master particles between units can be controlled, so that the blanking amount of the raw materials of the color master particles can be accurately adjusted, and the mixing ratio of the raw materials and the raw materials can be accurately adjusted.

The present utility model may be further configured in a preferred example to: and a color master particle feeding hose is arranged on the side wall of the color master particle storage bin.

The present utility model may be further configured in a preferred example to: and a main material particle feeding hose is arranged on the side wall of the main material particle bin.

The present utility model may be further configured in a preferred example to: the extrusion charging barrel and the stagnation charging barrel are communicated with each other.

The present utility model may be further configured in a preferred example to: the second motor is installed at the top of the material conveying rod, and the second motor is arranged at the top of the extrusion charging barrel.

The present utility model may be further configured in a preferred example to: and a connecting piece is arranged on the side wall of the second motor.

The present utility model may be further configured in a preferred example to: an electric heater is arranged on the outer side of the extrusion charging barrel.

The noun, conjunctive or adjective parts referred to in the above technical solutions are explained as follows:

by fixed connection is meant a connection without any relative movement after the parts or components are fixed. The device is divided into a detachable connection type and a non-detachable type.

(1) The detachable connection is to fix the parts together by using screws, splines, wedge pins and the like. The connection mode can be disassembled during maintenance, and parts cannot be damaged. The connector used must be of the correct size (e.g. length of bolt, key) and tightened properly.

(2) The non-detachable connection mainly refers to welding, riveting, tenon passing matching and the like. Because the parts can be disassembled only by forging, sawing or oxygen cutting during maintenance or replacement, the parts cannot be used for a second time generally. Meanwhile, during connection, attention should be paid to process quality, technical detection and remedial measures (such as correction, polishing and the like);

the movable connection refers to a connection with relative movement after fixing the parts or components.

The technical scheme of the utility model has the following beneficial technical effects:

1. according to the utility model, through the first motor and the adjusting plate structure, the deflection angle between the adjusting plate and the blanking pipe can be controlled, and the blanking rate of the color master batch particles entering the stagnation cylinder is controlled, so that the blanking amount of the internal color master batch particles among units is controlled, the mixing proportion between the color master batch particles and the main material particles is conveniently and accurately adjusted, and the requirement of mass accurate printing of the two-color gradient gradual change products is met.

2. The utility model reduces the space occupied by the equipment, the volume proportion and the relative position of the two material particle bins are more reasonable, the small-volume color master batch particle feeding system is arranged in the large-volume main material particle feeding system, the relative position is more space-saving, and the material particle transmission path is shortened.

Drawings

FIG. 1 is a schematic perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic side cross-sectional view of a main material pellet bin structure according to the present utility model;

FIG. 3 is a schematic perspective view of a main material particle bin structure according to the utility model;

FIG. 4 is a schematic view showing the positional relationship between the adjusting plate and the blanking pipe.

Reference numerals:

1. color master batch bin; 2. discharging pipes; 3. a main material particle bin; 4. a stagnation cylinder; 5. a feed opening; 6. extruding a discharging tube; 7. a material conveying rod; 8. a nozzle; 9. a first motor; 10. an adjusting plate; 11. a masterbatch pellet feed hose; 12. a main material pellet feed hose; 13. a second motor; 14. and a connecting piece.

Detailed Description

The following description of the technical solutions in the embodiments of the present disclosure will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments in this disclosure without inventive faculty, are intended to fall within the scope of this disclosure. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

Embodiments of a dual color particle gradient 3D printing extrusion apparatus for controlling the ratio of host material to color master are described herein in connection with fig. 1-4 in accordance with the concepts of the present utility model. Specifically, the bicolor particle gradient 3D printing and extruding device is constructed into an integrated structure, and comprises four parts, namely a color master particle bin, a main material particle bin, an extruding charging barrel and a first motor. Through the first motor and the regulating plate structure that set up, can control the deflection angle between regulating plate and the unloading pipe, control the unloading rate that the masterbatch got into the feed cylinder that stagnates to the unloading volume of masterbatch in between the control unit, with this mix proportion between accurate regulation masterbatch and the main material granule of being convenient for, satisfy the big accurate printing demand in batches of double-colored gradient gradual change product.

Referring to fig. 1 to 4, the dual-color particle gradient 3D printing extrusion device provided by the present utility model includes:

the color master batch material bin 1 is fixedly connected with a blanking pipe 2 at the bottom of the color master batch material bin 1;

a main material particle bin 3, wherein the main material particle bin 3 is arranged on the blanking pipe 2, the bottom of the main material particle bin 3 is fixedly connected with a stagnation cylinder 4, a blanking port 5 is formed at the joint of the stagnation cylinder 4 and the main material particle bin 3, the blanking pipe 2 extends into the blanking port 5, and the blanking port 5 is larger than the blanking pipe 2;

the extrusion charging barrel 6 is fixedly connected to the bottom end of the stagnation charging barrel 4, a material conveying rod 7 is rotatably connected to the inside of the extrusion charging barrel 6, and a nozzle 8 is arranged at the bottom end of the extrusion charging barrel 6;

the first motor 9, the first motor 9 is fixed on the inner wall of main material granule feed bin 3, and the output fixedly connected with regulating plate 10 of first motor 9, and regulating plate 10 runs through and rotates between unloading pipe 2 and the unloading pipe 2 to be connected.

The blanking pipe 2 is mainly used for conveying the raw materials in the color master batch particle bin 1 into the stagnation barrel 4, in some embodiments, the shape of the blanking pipe 2 can be cuboid, cylindrical or prismatic, according to the technical scheme of the utility model, the shape of the blanking pipe 2 is cuboid, and as shown in fig. 3, the blanking pipe 2 is smaller than the blanking port 5, so that the raw materials in the main material particle bin 3 can flow into the stagnation barrel 4 from the blanking port 5.

The stagnation barrel 4 is mainly used for mixing color master particles and main material particles, in some embodiments, the section of the stagnation barrel 4 can be rectangular, round or polygonal, and according to the technical scheme of the utility model, the section of the stagnation barrel 4 is rectangular, and the stagnation barrel 4 and the extrusion barrel 6 are communicated with each other, so that the mixed materials can be conveniently conveyed into the extrusion barrel 6.

The extrusion barrel 6 is mainly used for heating and extruding the color master batch and the main material particles, an electric heater (not shown in the figure) is arranged at the outer side of the extrusion barrel 6, the electric heater is mainly powered by an external power supply, in some embodiments, the extrusion barrel 6 can be in a cuboid shape, a cylinder shape or a prismatic body shape, aiming at the technical scheme of the utility model, the extrusion barrel 6 is in a cylinder shape, a second motor 13 is arranged at the top of the extrusion barrel 6, the second motor 13 is fixedly connected with a screw and is mainly used for driving the screw to rotate, the molten raw materials in the extrusion barrel 6 are conveyed and extruded, and the second motor 13 is mainly powered by the external power supply.

Specifically, when the raw materials need to be extruded, firstly, the raw materials of the color master batch are conveyed into the color master batch bin 1 through the color master batch feeding hose 11, then, the raw materials of the color master batch particles are conveyed into the main material particle bin 3 through the main material particle feeding hose 12, at this time, the raw materials of the color master batch particles can flow into the stagnation cylinder 4 through the blanking tube 2, the raw materials of the color master batch particles can flow into the stagnation cylinder 4 through the blanking opening 5, so that the two raw materials can be mixed, then, the mixed raw materials can enter the extrusion cylinder 6, the raw materials are heated through an electric heater (not shown in the figure) to be melted, then, the conveying rod is driven to rotate by starting the second motor 13, so that the raw materials are piled up at the bottom end of the extrusion cylinder 6, when the piled up pressure is large enough, the conveying rod can extrude the melted raw materials from the nozzle 8 when rotating, and in the blanking process of the raw materials of the color master batch particles, the first motor 9 is started to drive the adjusting plate 10 to deflect in the blanking tube 2, the position relation between the adjusting plate and the blanking tube 2 can also be controlled, so that the blanking rate of the color master batch particles can be controlled, and the ratio of the color master batch particles can be accurately adjusted.

As shown in fig. 1, a masterbatch feeding hose 11 is installed on a sidewall of the masterbatch pellet bin 1, and is mainly used for conveying masterbatch pellet raw materials into the masterbatch pellet bin 1, and a main material pellet feeding hose 12 is installed on a sidewall of the main material pellet bin 3, and is mainly used for conveying main material pellet raw materials into the main material pellet bin 3.

As shown in fig. 1, a connecting member 14 is installed on a sidewall of the second motor 13, and the device can be integrally installed to the flange of the industrial robot through the connecting member 14 to be connected with the industrial robot.

The bi-color particle gradient 3D printing extrusion device provided by the utility model is further described below with reference to the accompanying drawings and embodiments.

Bicolor particle gradient 3D prints extrusion device, includes:

In addition, when the proportion of main material particles is required to be large and the proportion of color master particles is small, the first motor 9 can drive the adjusting plate 10 to deflect to the position shown in fig. 4 a; when only the main material particles are needed for extrusion, the first motor 9 can drive the adjusting plate 10 to deflect to the position shown in fig. 4 b; when a larger ratio of primary particles to masterbatch particles is desired, the first motor 9 may drive the adjustment plate 10 to deflect to the position shown in fig. 4 c.

The working principle and the using flow of the utility model are as follows: the method comprises the steps of firstly conveying color master batch raw materials into a color master batch raw material bin 1 through a color master batch raw material feeding hose 11, then conveying the color master batch raw materials into a main material raw material bin 3 through a main material raw material feeding hose 12, enabling the color master batch raw materials to flow into a stagnation barrel 4 through a blanking pipe 2, enabling the main material raw materials to flow into the stagnation barrel 4 through a blanking port 5, mixing the two raw materials, enabling the mixed raw materials to enter an extrusion barrel 6, heating the raw materials through an electric heater to enable the raw materials to be molten, then starting a second motor 13 to drive a conveying rod to rotate, enabling the raw materials to be piled up at the bottom end of the extrusion barrel 6, enabling the conveying rod to extrude the molten raw materials from a nozzle 8 when the piled up pressure is large enough, and driving an adjusting plate 10 to deflect in the blanking pipe 2 through starting a first motor 9 in the blanking process of the color master batch raw materials, adjusting the position relation between the adjusting plate and the blanking pipe 2, and controlling the blanking rate of the color master batch raw materials, so that the blanking amount of the color master batch among units can be controlled.

In the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It will be understood that when an element is referred to as being "mounted," "secured" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean 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 present utility model. In this specification, schematic representations of the above terms 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. Double-colored granule gradient 3D prints extrusion device, a serial communication port includes:

the color master batch material bin (1), wherein a blanking pipe (2) is fixedly connected to the bottom of the color master batch material bin (1);

the main material particle bin (3), the main material particle bin (3) is installed on the blanking pipe (2), a stagnation barrel (4) is fixedly connected to the bottom of the main material particle bin (3), a blanking opening (5) is formed in the joint of the stagnation barrel (4) and the main material particle bin (3), the blanking pipe (2) stretches into the blanking opening (5), and the blanking opening (5) is larger than the blanking pipe (2);

the extrusion material cylinder (6), the extrusion material cylinder (6) is fixedly connected to the bottom end of the stagnation material cylinder (4), a material conveying rod (7) is rotatably connected to the inside of the extrusion material cylinder (6), and a nozzle (8) is arranged at the bottom end of the extrusion material cylinder (6);

the first motor (9), first motor (9) are fixed on the inner wall of main material granule feed bin (3), the output fixedly connected with regulating plate (10) of first motor (9), and regulating plate (10) run through and rotate between unloading pipe (2) and unloading pipe (2).

2. The bi-color particle gradient 3D printing extrusion device according to claim 1, characterized in that a masterbatch feeding hose (11) is mounted on the side wall of the masterbatch silo (1).

3. The bi-color pellet gradient 3D printing extrusion device of claim 2, wherein a main material pellet supply hose (12) is mounted on a sidewall of the main material pellet bin (3).

4. The bi-color particle gradient 3D printing extrusion device according to claim 2, characterized in that the extrusion barrel (6) and the stagnation barrel (4) are mutually communicated.

5. The bi-color particle gradient 3D printing extrusion device according to claim 4, characterized in that a second motor (13) is mounted on top of the feed bar (7), and the second motor (13) is arranged on top of the extrusion cylinder (6).

6. The bi-color particle gradient 3D printing extrusion apparatus of claim 5 wherein a connector (14) is mounted on a sidewall of the second motor (13).

7. The bi-color particle gradient 3D printing extrusion device according to claim 1, characterized in that an electric heater is mounted on the outside of the extrusion barrel (6).