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CN-117774253-B - Continuous carbon fiber regeneration consumable and preparation method thereof

CN117774253BCN 117774253 BCN117774253 BCN 117774253BCN-117774253-B

Abstract

The invention provides a continuous carbon fiber regeneration consumable and a preparation method thereof, which can prepare the consumable with excellent carbon fiber performance and recycle waste plastic bottles, thereby being beneficial to environmental protection. The invention aims to solve the technical problems by providing a preparation method of a continuous carbon fiber regenerated consumable, which comprises the following steps of taking a cylindrical bottle body part of a cut plastic bottle, cutting at least one continuous strip-shaped material from the bottle body part, connecting a plurality of strip-shaped strips end to form a continuous strip-shaped negative film, taking TPU linear printing consumable and continuous carbon fiber, winding the continuous carbon fiber on the TPU linear printing consumable to prepare a winding substrate, centering the winding substrate on the negative film, conveying the winding substrate and the negative film in the same direction in the length direction of the winding substrate and the negative film, and extruding the composite material consumable of the winding substrate and the negative film from an extruder. The invention relates to the technical field of 3D printing consumables.

Inventors

  • JIANG LUN
  • FENG WU
  • XU LINPENG
  • LIU PEIYI

Assignees

  • 广东三绿科技有限公司

Dates

Publication Date
20260505
Application Date
20240123

Claims (8)

  1. 1. The preparation method of the continuous carbon fiber regenerated consumable material is characterized by comprising the following steps of: step S1, taking a cylindrical bottle body part (1) of a cut plastic bottle, and cutting at least one continuous strip-shaped strip (2) from the bottle body part (1); Step S2, connecting a plurality of strips (2) end to form a continuous strip-shaped bottom sheet (3); s3, taking TPU linear printing consumables (4) and continuous carbon fibers (5), and winding the continuous carbon fibers (5) on the TPU linear printing consumables (4) to prepare a winding matrix (6); S4, centering the winding matrix (6) on the bottom plate (3) and enabling the winding matrix (6) and the bottom plate (3) to be in the same direction in the length direction; And S5, conveying the winding matrix (6) and the negative film (3) to an extruder (7) of a 3D printer, and extruding composite material consumable materials (8) of the winding matrix (6) and the negative film (3) from the extruder (7), wherein the negative film (3) surrounds the winding matrix (6) in the composite material consumable materials (8), and the steps S1-S2 and the step S3 can be changed in sequence.
  2. 2. The method for producing a continuous carbon fiber regenerated material according to claim 1 wherein in step S1, the body part (1) is cut into at least one continuous strip-like strip (2) by a plastic bottle strip cutting device (20).
  3. 3. The preparation method of the continuous carbon fiber regenerated consumable according to claim 1 is characterized in that in the step S2, two strips (2) are connected through a welding module, the welding module comprises a base (9), a glue gun and a hot pressing block (10), a placing groove (11) for placing the end parts of the two strips (2) is arranged on the base (9), a yielding groove (12) is arranged in the middle of the placing groove (11), the tail ends of the two strips (2) are overlapped and placed at the yielding groove (12) of the placing groove (11), glue is applied to the overlapped part of the two strips (2) by using the glue gun, and then the overlapped part of the two strips (2) is pressed down by using the hot pressing block (10), so that the two strips (2) are welded at the overlapped part, and the yielding groove (12) is a glue overflow groove during welding.
  4. 4. A method for producing a continuous carbon fiber regenerated material according to claim 3 wherein the two strips (2) are trimmed off at the glue overflow site at the overlapping position by scissors.
  5. 5. The method for preparing the continuous carbon fiber regenerated consumable according to claim 1 wherein in step S3, the TPU linear printing consumable (4) is conveyed through a conveying module, the continuous carbon fiber (5) is wound on the TPU linear printing consumable (4) through an annular winding machine, the annular winding machine comprises a mounting frame (13) and a vertical rotating ring (14) mounted on the mounting frame (13), and the TPU linear printing consumable (4) passes through the vertical rotating ring (14) in the conveying process.
  6. 6. The method for preparing the continuous carbon fiber regenerated consumable according to claim 5 wherein the conveying module comprises two clamping line conveying wheels (15) matched with the TPU linear printing consumable (4).
  7. 7. The method for producing a continuous carbon fiber regenerated material according to claim 1 wherein in step S5, before the winding base (6) and the negative film (3) are fed into the extruder (7) of the 3D printer, both sides of the front portion of the negative film (3) are warped in the direction of wrapping the winding base (6), or a part of both sides of the front portion of the negative film (3) is cut off so that the front portion is tapered.
  8. 8. The method for producing a continuous carbon fiber regenerated consumable according to claim 1 wherein after step S5, the extruded composite consumable (8) is wound on a wire coil (17) by a clean winding mechanism (16), wherein a blower is provided between the extruder (7) and the wire coil (17) to cool the composite consumable (8).

Description

Continuous carbon fiber regeneration consumable and preparation method thereof Technical Field The invention relates to the technical field of 3D printing consumables, in particular to a continuous carbon fiber regeneration consumable and a preparation method thereof. Background Carbon fiber is a novel fiber material with carbon content up to 95% and high modulus fiber and high strength. The carbon fiber material can be used to the preparation of 3D printing supplies, and patent application number 2015109285468 discloses an extrusion device of continuous long carbon fiber reinforced composite material that production was used for FDM3D printer, and it extrudes through the screw rod after with plastic granules melting, through the reposition of redundant personnel, flows into the fit clearance between mold core and the die sleeve, and continuous long carbon fiber silk carries in the centre bore of mold core, and molten plastics parcel is around continuous long carbon fiber silk, forms continuous long carbon fiber reinforced composite wire. The carbon fiber composite material consumable is generally formed by only one piece of carbon fiber which is straightened and then is covered with plastic, and if the carbon fiber is realized in a spiral line instead of a straight line, the performance of the manufactured consumable is relatively greatly improved. Disclosure of Invention In order to solve the defects in the prior art, the invention provides the continuous carbon fiber regeneration consumable and the preparation method thereof, so that the consumable with excellent carbon fiber performance can be prepared, and the waste plastic bottle is recycled, thereby being beneficial to environmental protection. The invention aims to solve the technical problems by the following technical means that one aspect of the invention provides a preparation method of a continuous carbon fiber regeneration consumable, which comprises the following steps: Step S1, taking a cylindrical bottle body part of a cut plastic bottle, and cutting at least one continuous strip-shaped strip material from the bottle body part; step S2, connecting the head and tail of a plurality of strips to form a continuous strip-shaped negative film; Step S3, taking TPU linear printing consumables and continuous carbon fibers, and winding the continuous carbon fibers on the TPU linear printing consumables to prepare a winding matrix; s4, centering the winding matrix on the negative film, wherein the length directions of the winding matrix and the negative film are in the same direction; and S5, conveying the winding matrix and the negative film to an extruder of the 3D printer, and extruding composite material consumable materials of the winding matrix and the negative film from the extruder, wherein the negative film surrounds the winding matrix in the composite material consumable materials, and the sequence of the steps S1-S2 and the sequence of the step S3 can be exchanged. In the scheme, the plastic bottle is recycled and can be cut into strips, a plurality of strips are connected to form a continuous strip negative film, the plastic bottle is made of PET materials, so that the prepared negative film is excellent in weather resistance, on the other hand, the winding matrix is composed of TPU linear printing consumables and continuous carbon fibers, has excellent properties such as high strength and high elasticity, and is suitable for being used as 3D printing consumables, the winding matrix and the negative film are extruded by an extruder to form composite material consumables, the environmental protection measure of recycling plastic is firstly adopted, and the performance of the consumables is reinforced by combining the carbon fibers, so that the 3D printing consumables with excellent performance are obtained. In one embodiment, in step S1, the body portion is cut out by a plastic bottle strip cutting device to cut out at least one continuous strip. In the scheme, the plastic bottle slitting device can slit plastic bottles, so that strips are obtained, and the plastic bottle slitting device with high use precision can obtain the strips with high width consistency rate. The plastic bottle slitting device is a prior art, and mainly comprises a blade, and the blade is used for slitting the plastic bottle, such as a belt making device with the patent publication number CN 105690436B. In one embodiment, in step S2, two strips are connected by a welding module, the welding module includes a base, a glue gun and a hot pressing block, a placing groove for placing the ends of the two strips is provided on the base, a yielding groove is provided in the middle of the placing groove, the tail ends of the two strips are overlapped and placed at the yielding groove of the placing groove, the glue gun is used for gluing the overlapped part of the two strips, and the hot pressing block is used for pressing the overlapped part of the two strips, so that the tw