CN217622236U

CN217622236U - A high frequency extruder for 3D prints

Info

Publication number: CN217622236U
Application number: CN202220506547.9U
Authority: CN
Inventors: 张昱; 石峰
Original assignee: Shanghai Coin Robotics Technology Co ltd
Current assignee: Shanghai Coin Robotics Technology Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-10-21
Anticipated expiration: 2032-03-08

Abstract

The utility model discloses a high-frequency extruder for 3D printing, which comprises a blanking channel, a screw extrusion structure, a material box and high-frequency flapping shaping equipment, wherein the upper end of the blanking channel is fixedly arranged on one side of an equipment rack, the screw extrusion structure is arranged on the inner side of the blanking channel, and the screw extrusion structure comprises an extrusion screw and a motor which is arranged on the top side of the blanking channel and is used for driving the extrusion screw to run; the feed box is arranged at the bottom side of the blanking channel and is provided with a cavity communicated with the tail end of the blanking channel, a gear pump is arranged in the feed box, and a port die is arranged at the bottom end of the feed box; the high-frequency beating shaping equipment is arranged on one side of the material box, is close to the neck mold and can beat and shape the extruded material when the neck mold extrudes the raw material. The utility model discloses can realize bigger extrusion capacity, carry on the high frequency through in bush one side moreover and pat plastic equipment, can utilize high frequency to pat equipment and carry out the appearance plastic to the fuse-element of extruding under still molten state at once.

Description

A high frequency extruder for 3D prints

Technical Field

The utility model relates to a 3D prints the field, specifically is a high frequency extruder for 3D prints.

Background

The FDM rapid forming mode is a common rapid forming mode for three-dimensional printing, and has the advantages of low hardware cost, low material consumption requirement and the like; the extrusion device provided with the FDM printing nozzle is the most core component of the FDM printer, the structure, the control principle, the manufacturing process and the processing precision of the extrusion device directly influence the printing effect, and the FDM printing nozzle is arranged on a shell of the extrusion device and executes a three-dimensional printing task through movement.

The existing FDM printing has the following problems:

1. the existing FDM printing uses wire printing, the production volume is in G units, the printing member size is in 1m × 1m size, the printing speed is affected by the production volume, and a single size member takes a long time.

2. The existing FDM yield is influenced by the type of materials, and high-temperature materials cannot be extruded in high yield.

3. The intensity of current FDM extrusion in the direction of piling up can't be guaranteed, and the fuse-element is extruded the back inside and has residual stress, and the internal stress is handled to the mode that the secondary was heated after the conventional adoption was printed and is accomplished, but prints the in-process stress release difficulty and often causes the printing piece to warp and stick up.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high frequency extruder for 3D prints to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-frequency extruder for 3D printing comprises a blanking channel, a screw extrusion structure, a material box and high-frequency patting shaping equipment, wherein the upper end of the blanking channel is fixedly arranged on one side of an equipment rack, the screw extrusion structure is arranged on the inner side of the blanking channel, and the screw extrusion structure comprises an extrusion screw and a motor which is arranged on the top side of the blanking channel and is used for driving the extrusion screw to operate; the feed box is arranged at the bottom side of the blanking channel and is provided with a cavity communicated with the tail end of the blanking channel, a gear pump is arranged in the feed box, and a port die is arranged at the bottom end of the feed box; the high-frequency flapping shaping equipment is arranged on one side of the material box, is close to the neck mold and can flap and shape the extruded material when the neck mold extrudes the raw material; the high-frequency flapping shaping equipment comprises a sliding frame, an upright post, a top plate, a pressing post, a flapping plate, a dust cover, a high-frequency electromagnet and a magnetic block, wherein the sliding frame is fixed at the bottom side of a discharging channel, and the upright post is arranged on the inner side of the sliding frame.

Preferably, the two side ends of the upright post are in sliding connection with the sliding frame through a sliding rod, and a locking piece used for locking the sliding rod to fix the position of the upright post is arranged on the outer side of the sliding frame.

Preferably, the end part of the upright post extending out of the sliding frame is connected with a top plate, a beating plate is arranged on the lower side of the top plate in parallel, and a dust cover is connected between the top plate and the beating plate.

Preferably, the dust cover is a telescopic dust cover with telescopic folds, and the dust cover is connected with the top plate and the beating plate to form a cavity.

Preferably, the compression columns are provided with two groups and distributed on two sides of the top wall of the cavity, and the bottom ends of the two groups of compression columns are connected with the beating plate through springs.

Preferably, the magnetic block is fixed in the middle of the bottom side of the clapper, the high-frequency electromagnet is arranged in the middle of the top wall of the cavity and corresponds to the magnetic block in position, and the high-frequency electromagnet can adsorb or repel the magnetic block when being electrified so as to enable the clapper to vibrate at high frequency.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses can realize bigger extrusion capacity, expand more application areas for FDM technique, make it can be applied to industrial production, simultaneously the utility model discloses a servo control technique realizes the high accuracy of motor to realize flow control; carry on the high frequency through on one side of the bush and pat plastic equipment, can utilize high frequency pat equipment to carry out the appearance plastic at once under the still molten state to the fuse-element of extruding, the high frequency is patted and can be increased the cohesion between the layer, stably extrudes the shape of fuse-element, beats at the high frequency and has the effect of supplementary stress release for the product property that prints can be high.

Drawings

FIG. 1 is a schematic view of the shaping structure of the present invention;

fig. 2 is the structure diagram of the shaping device for high-frequency flapping according to the present invention.

In the figure: 1. a blanking channel; 2. a material box; 3. extruding a screw; 4. a gear pump; 5. a neck ring mold; 6. a carriage; 7. a column; 8. a top plate; 9. pressing the column; 10. beating a plate; 11. a dust cover; 12. a high-frequency electromagnet; 13. a magnetic block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a high-frequency extruder for 3D printing comprises a blanking channel 1, a screw extrusion structure, a material box 2 and high-frequency flapping shaping equipment, wherein the upper end of the blanking channel 1 is fixedly arranged on one side of an equipment rack, the screw extrusion structure is arranged on the inner side of the blanking channel 1 and comprises an extrusion screw 3 and a motor which is arranged on the top side of the blanking channel 1 and is used for driving the extrusion screw 3 to operate; the feed box 2 is arranged at the bottom side of the blanking channel 1, the feed box 2 is provided with a cavity communicated with the tail end of the blanking channel 1, a gear pump 4 is arranged in the feed box, and the bottom end of the feed box 2 is provided with a mouth mold 5; the high-frequency flapping shaping equipment is arranged on one side of the material box 2, is close to the neck mold 5 and can flap and shape extruded materials when the neck mold 5 extrudes raw materials; the high-frequency beating and shaping equipment comprises a sliding frame 6, an upright post 7, a top plate 8, a pressing post 9, a beating plate 10, a dust cover 11, a high-frequency electromagnet 12 and a magnetic block 13, wherein the sliding frame 6 is fixed at the bottom side of the blanking channel 1, and the upright post 7 is arranged on the inner side of the sliding frame 6.

In this embodiment, two side ends of the upright post 7 are slidably connected to the carriage 6 through a sliding rod, and a locking member for locking the sliding rod to fix the position of the upright post 7 is disposed outside the carriage 6.

In this embodiment, the end of the upright post 7 extending out of the carriage 6 is connected with a top plate 8, a beating plate 10 is arranged in parallel under the top plate 8, and a dust cover 11 is connected between the top plate 8 and the beating plate 10.

In this embodiment, the dust cover 11 is a telescopic dust cover with telescopic folds, and the dust cover 11 is connected with the top plate 8 and the beating plate 10 to form a cavity.

In this embodiment, the compression columns 9 are provided with two sets and distributed on two sides of the top wall of the cavity, and the bottom ends of the two sets of compression columns 9 are connected with the beating plate 10 through springs.

In this embodiment, the magnetic block 13 is fixed in the middle of the bottom side of the clapper board 10, the high-frequency electromagnet 12 is disposed in the middle of the top wall of the cavity and corresponds to the magnetic block 13, and the high-frequency electromagnet 12 can adsorb or repel the magnetic block 13 when being powered on, so that the clapper board 10 vibrates at high frequency.

In this embodiment, the high-frequency extruder can achieve a larger extrusion amount, expand more application areas for the FDM technology, so that the high-frequency extruder can be applied to industrial production, and simultaneously achieve high precision of a motor by adopting a servo control technology, thereby achieving flow control; carry on the high frequency through 5 one sides of bush and pat plastic equipment, can utilize high frequency to pat equipment and carry out the appearance plastic to the fuse-element of extruding at once under the still molten state, the high frequency is patted and can be increased the cohesion between the layer, stably extrudes the shape of fuse-element, beats at the high frequency and has the effect of supplementary stress release for the product property that prints can be high.

In the embodiment, the high-frequency beating device utilizes the adsorption or repulsion magnetic block 13 when the high-frequency electromagnet 12 is electrified so as to make the beating plate 10 vibrate at high frequency; meanwhile, in order to prevent dust or impurities from entering between the top plate 8 and the beating plate 10, the dust cover 11 with the telescopic folds is arranged, so that the dust cover 11 can prevent dust and impurities from entering a cavity between the top plate 8 and the beating plate 10 while realizing vibration and extension; in addition, the position of the high-frequency flapping shaping equipment can be adjusted through the sliding rod, the sliding frame 6 and the like, and the high-frequency flapping shaping equipment is more convenient to use.

It is worth noting that: whole device is connected with power and total control button, and it realizes control through total control button to it, because the equipment that control button matches is equipment commonly used, belongs to current mature technology, its electric connection relation and specific circuit structure are no longer described herein.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The high-frequency extruder for 3D printing is characterized by comprising a blanking channel (1), a screw extrusion structure, a material box (2) and high-frequency flapping shaping equipment, wherein the upper end of the blanking channel (1) is fixedly arranged on one side of an equipment rack, the screw extrusion structure is arranged on the inner side of the blanking channel (1), and the screw extrusion structure comprises an extrusion screw (3) and a motor which is arranged on the top side of the blanking channel (1) and is used for driving the extrusion screw (3) to run; the feed box (2) is arranged at the bottom side of the feeding channel (1), the feed box (2) is provided with a cavity communicated with the tail end of the feeding channel (1), a gear pump (4) is arranged in the feed box, and the bottom end of the feed box (2) is provided with a port die (5); the high-frequency flapping shaping equipment is arranged at one side of the material box (2), is close to the neck ring die (5) and can flap and shape extruded materials when the neck ring die (5) extrudes the raw materials; the high-frequency flapping shaping equipment comprises a sliding frame (6), an upright post (7), a top plate (8), a pressing post (9), a flapping plate (10), a dust cover (11), a high-frequency electromagnet (12) and a magnetic block (13), wherein the sliding frame (6) is fixed at the bottom side of a blanking channel (1), and the upright post (7) is arranged on the inner side of the sliding frame (6).

2. A high frequency extruder for 3D printing according to claim 1, wherein: the two side ends of the upright post (7) are in sliding connection with the sliding frame (6) through a sliding rod, and a locking piece used for locking the sliding rod to fix the position of the upright post (7) is arranged on the outer side of the sliding frame (6).

3. A high frequency extruder for 3D printing according to claim 2, characterized in that: the end part of the upright post (7) extending out of the sliding frame (6) is connected with a top plate (8), a beating plate (10) is arranged on the lower side of the top plate (8) in parallel, and a dust cover (11) is connected between the top plate (8) and the beating plate (10).

4. A high frequency extruder for 3D printing according to claim 3, characterized in that: the dust cover (11) is a telescopic dust cover with telescopic folds, and the dust cover (11) is connected with the top plate (8) and the beating plate (10) to form a cavity.

5. A high frequency extruder for 3D printing according to claim 1, characterized in that: the pressing columns (9) are provided with two groups and distributed on two sides of the top wall of the cavity, and the bottom ends of the two groups of pressing columns (9) are connected with the beating plate (10) through springs.

6. A high frequency extruder for 3D printing according to claim 1, wherein: the magnetic block (13) is fixed in the middle of the bottom side of the clapper board (10), the high-frequency electromagnet (12) is arranged in the middle of the top wall of the cavity and corresponds to the magnetic block (13) in position, and the high-frequency electromagnet (12) can adsorb or repel the magnetic block (13) when being electrified so as to enable the clapper board (10) to vibrate in high frequency.