CN221292291U

CN221292291U - PLA extrusion equipment

Info

Publication number: CN221292291U
Application number: CN202323063701.3U
Authority: CN
Inventors: 郭爱妹; 郭军; 王智敏
Original assignee: Dongyang Sheng Lin Plastic Co ltd
Current assignee: Dongyang Sheng Lin Plastic Co ltd
Priority date: 2023-11-14
Filing date: 2023-11-14
Publication date: 2024-07-09
Anticipated expiration: 2033-11-14

Abstract

The utility model belongs to the technical field of plastic extrusion equipment, and particularly relates to PLA extrusion equipment; the device comprises an extruder base and a containing cavity arranged on the extruder base, wherein an extrusion head is arranged at the outer side of the containing cavity, extrusion pipes are arranged on the extrusion head and are communicated with a discharge hole on the containing cavity, and a plurality of extrusion pipes are arranged; according to the utility model, through adjusting the communication state between the extrusion pipes and the filling pipes and the positions of the extrusion pipes, the 3D printing consumable sizing material is extruded through the extrusion pipe with the specified inner diameter size, and the single extrusion pipe is communicated with the filling pipes, so that the switching efficiency among the extrusion heads is increased.

Description

PLA extrusion equipment

Technical Field

The utility model belongs to the technical field of plastic extrusion equipment, and particularly relates to PLA extrusion equipment.

Background

In the 3D printing process, the moving track of an extruder is adjusted, the extruder is controlled to extrude the 3D printing consumable sizing material, and raw materials are provided for printing; in the working process of the extruder, the consumable sizing materials are heated and melted under the action of heat and pressure, so that the sizing materials can be bonded with each other to form a required structure;

According to the various needs to the surface fineness, need change the extrusion head of different models in the course of working to the work piece, in the course of operation, because the high temperature of extrusion head self, and then cause the potential safety hazard.

Disclosure of utility model

In order to achieve the purpose of improving the replacement efficiency of extrusion heads of different types, the utility model adopts the following technical scheme:

The utility model aims to provide a scheme that a plurality of extrusion pipes are arranged on an extrusion head, and the single extrusion pipe is communicated with a filling pipe, so that the switching efficiency among the plurality of extrusion heads is increased.

In order to achieve the above object, the present utility model provides a PLA extrusion device including an extruder base and a receiving chamber mounted on the extruder base;

the extrusion head is arranged on the outer side of the accommodating cavity, extrusion pipes are arranged on the extrusion head and are communicated with a discharge hole in the accommodating cavity, and a plurality of extrusion pipes are arranged.

The material of the 3D printing consumable sizing material disclosed by the application is PLC, and other materials which are available in the market, such as ABS, TPU and the like, can be used.

The utility model has the beneficial effects that: through the communication state between a plurality of extrusion pipes and the filling pipe and the position of the extrusion pipe, 3D printing consumable sizing materials are extruded through the extrusion pipe with the specified inner diameter size.

Drawings

The following drawings are only intended to illustrate and explain the present utility model, wherein:

FIG. 1 is a schematic view of the overall structure of the PLA extrusion device of the present utility model;

FIG. 2 is a schematic view of a portion of the PLA extrusion device of the utility model;

FIG. 3 is a schematic diagram of a second embodiment of a portion of the PLA extrusion device of the utility model;

fig. 4 is a schematic structural view of a PLA extrusion device section of the present utility model.

In the figure: an extruder base 11; a filler pipe 12; a rotation driver 13; a drive gear 14; a housing chamber 21; a discharge port 22; rotating the sleeve 31; an extrusion head 32; an extrusion pipe 33; tube I331; tube II 332; tube III 333; a drive ring gear 34; a belt 35.

Detailed Description

In order to achieve the object of improving the efficiency of replacement of extrusion heads of different models, the present utility model provides a PLA extrusion device comprising an extruder base 11 and a containing chamber 21 mounted on the extruder base 11;

Wherein, the extrusion head 32 is arranged at the outer side of the accommodating chamber 21, the extrusion head 32 is provided with extrusion pipes 33, the extrusion pipes 33 are communicated with the discharge holes 22 on the accommodating chamber 21, the extrusion pipes 33 are provided with a plurality of extrusion pipes 33, the extrusion pipes 33 are divided into a pipe I331, a pipe II 332 and a pipe III 333, and the inner diameters of the pipe I331, the pipe II 332 and the pipe III 333 are different in size;

Specific embodiments of the present utility model are described below.

Referring to fig. 1-2, an example of the extrusion operation of the PLA extrusion apparatus provided by the present utility model, in which 3D printing consumable sizing material is extruded through an extrusion tube 33 of a specified inside diameter size, and the extrusion performance of the consumable sizing material is increased, will be described:

The discharge port 22 is arranged at the side part of the accommodating cavity 21, the extrusion head 32 is rotatably arranged on the accommodating cavity 21, different extrusion pipes 33 can be communicated with the discharge port 22 at the side part of the accommodating cavity 21 by controlling the extrusion head 32 to rotate at the bottom of the accommodating cavity 21, and 3D printing consumable sizing materials are extruded through the extrusion pipes 33 with specified inner diameter sizes.

An electric heating wire is installed at the outer side of the extrusion head 32, and the material consumable fed into the receiving chamber 21 is melted by heat provided by the electric heating wire so as to be subjected to the extrusion operation.

The extruder base 11 is provided with the filling pipe 12, the filling pipe 12 is communicated with the upper end of the accommodating cavity 21, and the pressure of the material in the accommodating cavity 21 is increased by continuously feeding the sizing material consumable into the filling pipe 12, so that the sizing material can be smoothly and continuously extruded from the extruding pipe 33.

Wherein, use under the extruder base 11 keeps the slope state, can make the extrusion pipe 33 that is linked together with holding the cavity 21 be vertical state down, increase the extrusion performance of consumptive material sizing material.

Referring to fig. 1 to 4, an embodiment of the PLA extrusion apparatus provided by the present utility model is described in which convenience in adjusting the communication state between a plurality of extrusion pipes 33 and a filler pipe 12 is increased:

The extrusion head 32 of the present application is detachably provided with a rotary sleeve 31, and the accommodating chamber 21 is caught in the rotary sleeve 31 and the extrusion head 32.

Specific: the rotating sleeve 31 is screwed with the extrusion head 32 by a screw thread.

By providing the rotating sleeve 31, the extrusion head 32 can be sleeved outside the accommodating chamber 21 and rotated relative to the accommodating chamber 21 so as to adjust the communication state between the plurality of extrusion pipes 33 and the filler pipe 12.

Referring to fig. 1 and 4, an embodiment of the PLA extrusion apparatus according to the present utility model, in which the rotation sleeve 31 is controlled to rotate together with the gear ring 34, will be described:

The rotary sleeve 31 of the application is fixedly connected with a transmission gear ring 34, the extruder base 11 is provided with a rotary driver 13, the output shaft of the rotary driver 13 is provided with a driving gear 14, and the driving gear 14 is in transmission connection with the transmission gear ring 34 through a transmission belt 35.

The rotary driver 13 can be a stepping motor or a servo motor, and the rotary driver 13 is started to drive the driving gear 14 to rotate, so that the rotary sleeve 31 and the transmission gear ring 34 rotate together under the action of the transmission belt 35, and the communication state between the extrusion pipes 33 and the filling pipe 12 is adjusted, so that the designated extrusion pipe 33 is communicated with the discharge hole 22 at the side part of the accommodating cavity 21, and the 3D printing consumable material is extruded through the extrusion pipe 33.

Referring to fig. 1 to 3, an embodiment of increasing the extrusion effect of a consumable sizing material in a PLA extrusion apparatus provided by the present utility model is described:

The inner wall of the extrusion pipe 33 is provided with a reducing structure so as to extrude the lateral part of the consumable sizing material and increase the extrusion effect of the consumable sizing material.

Further, the extrusion tube 33 may be detachably mounted on the extrusion head 32, for example, the extrusion head 32 is mounted on the side of the extrusion tube 33 by screwing, thereby further increasing the capability of the extrusion apparatus to replace the extrusion head 32 of a different model.

Claims

1. PLA extrusion device comprising an extruder base (11) and a containing chamber (21) mounted on the extruder base (11), characterized in that: an extrusion head (32) is arranged on the outer side of the accommodating chamber (21), an extrusion pipe (33) is arranged on the extrusion head (32), the extrusion pipe (33) is communicated with a discharge hole (22) on the accommodating chamber (21), and a plurality of extrusion pipes (33) are arranged;

The discharging hole (22) is arranged at the side part of the accommodating chamber (21), and the extrusion head (32) is rotatably arranged on the accommodating chamber (21);

The extrusion head (32) is detachably provided with a rotary sleeve (31), and the accommodating chamber (21) is clamped in the rotary sleeve (31) and the extrusion head (32);

the rotary sleeve (31) is connected with the extrusion head (32) through a thread;

The extruder is characterized in that a transmission gear ring (34) is arranged on the rotary sleeve (31), a rotary driver (13) is arranged on the extruder base (11), a driving gear (14) is arranged on an output shaft of the rotary driver (13), and the driving gear (14) is in transmission connection with the transmission gear ring (34) through a transmission belt (35).

2. The PLA extrusion apparatus of claim 1, wherein: the extruder base (11) is provided with a filling pipe (12), and the filling pipe (12) is communicated with the accommodating cavity (21).

3. PLA extrusion apparatus according to any of claims 1-2, wherein: the extrusion tube (33) is detachably mounted on the extrusion head (32).

4. A PLA extrusion apparatus according to claim 3, characterized in that: the extrusion head (32) is arranged at the side part of the extrusion pipe (33) through screw threads.

5. PLA extrusion apparatus according to any of claims 1-2, wherein: the plurality of extrusion pipes (33) are divided into a pipe I (331), a pipe II (332) and a pipe III (333), and the inside diameters of the pipe I (331), the pipe II (332) and the pipe III (333) are different in size.

6. The PLA extrusion apparatus of claim 5, wherein: the inner wall of the extrusion pipe (33) is provided with a reducing structure.