CN113276447B - Automatic laying head for prepreg tape and guide rail bracket - Google Patents

Automatic laying head for prepreg tape and guide rail bracket Download PDF

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Publication number
CN113276447B
CN113276447B CN202110646473.9A CN202110646473A CN113276447B CN 113276447 B CN113276447 B CN 113276447B CN 202110646473 A CN202110646473 A CN 202110646473A CN 113276447 B CN113276447 B CN 113276447B
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China
Prior art keywords
roller
laying
guide
guiding
prepreg tape
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CN202110646473.9A
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Chinese (zh)
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CN113276447A (en
Inventor
张鹏
高安康
冯文明
高远
周先锋
杨春雨
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Changsha University of Science and Technology
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Changsha University of Science and Technology
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Priority to CN202110646473.9A priority Critical patent/CN113276447B/en
Publication of CN113276447A publication Critical patent/CN113276447A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
    • B29C70/386—Automated tape laying [ATL]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
    • B29C70/386—Automated tape laying [ATL]
    • B29C70/388—Tape placement heads, e.g. component parts, details or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/545—Perforating, cutting or machining during or after moulding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/40—Weight reduction

Abstract

The utility model provides an automatic head and rail brackets of putting of preimpregnation area, rail brackets includes two U type support columns, roll crossbeam and puts first fixing device, two of putting of U type support column symmetry sets up the automatic both sides of putting the head of putting of preimpregnation area, be provided with the support guide in the top of U type support column, the roll crossbeam is fixed in first rolling wheel through first connecting axle, first rolling wheel can roll in the support guide, the inside crossbeam guide that is provided with of roll crossbeam, the automatic first outside of putting of preimpregnation area is equipped with the dustcoat, the dustcoat links to each other with the roll crossbeam through putting first fixing device of putting, the automatic head of putting of preimpregnation area includes feeding mechanism, lays mechanism, cutting mechanism, guide mechanism and reversing mechanism. The automatic laying head of the prepreg tape does not need to lay layer by layer at a time, greatly improves the production efficiency, does not need idle stroke return or U-turn at the same time, and saves laying time.

Description

Automatic laying head for prepreg tape and guide rail bracket
Technical Field
The invention relates to the field of automatic laying, in particular to an automatic laying head for a prepreg tape and a guide rail bracket.
Background
The automatic laying technology has the characteristics of high efficiency, high quality, high reliability and low cost, is particularly suitable for manufacturing large-size components, reduces the number of assembled parts, saves the manufacturing and assembling cost, greatly reduces the waste rate of materials and the manufacturing time, and is widely applied to manufacturing of aerospace high-performance composite material structures.
The automatic laying technology takes a prepreg tape as a raw material, and the prepreg tape is directly laid and attached to a mould or the surface of the upper layer of prepreg tape under the action of a compression roller after being heated, so that the automatic forming of the composite material laying is realized.
The prior art has the following disadvantages:
1. in the automatic laying technology in the prior art, the prepreg tapes are laid on the surface of the mold layer by layer, and the composite material component reaches a certain thickness through laying of a plurality of layers, so that the mold needing to lay a plurality of layers of prepreg tapes can only be laid layer by layer, and the laying efficiency is low.
2. When the laying of each path is finished, the laying mechanism needs to go back and forth or turn around, and the laying of the previous laying path is carried out again or the laying of the next path is carried out, so that the laying mechanism needs to go back and forth or turn around for many times in the automatic laying process, and a large amount of time is wasted.
3. The existing cutting mode is cutting board and anvil knife type contact type cutting, and the belt material moves in the laying process, so that the contact type cutting easily causes adhesion and pulling on the surfaces of the anvil knife and the belt material, generates redundant tension on the belt material and influences the laying effect of the belt material at the cutting moment.
Disclosure of Invention
In order to overcome the above problems, the present invention proposes a solution to solve the above problems simultaneously.
The technical scheme adopted by the invention for solving the technical problems is as follows: a prepreg tape automatic laying head and a guide rail bracket are provided, wherein the guide rail bracket comprises two U-shaped support columns, a rolling cross beam and a laying head fixing device, the two U-shaped support columns are symmetrically arranged at two sides of the prepreg tape automatic laying head, a bracket guide rail is arranged in the top of each U-shaped support column, the rolling cross beam is fixed on a first rolling wheel through a first connecting shaft, the first rolling wheel can roll in the bracket guide rail, a cross beam guide rail is arranged in the rolling cross beam, an outer cover is arranged at the outer side of the prepreg tape automatic laying head, and the outer cover is connected with the rolling cross beam through the laying head fixing device;
the automatic head of laying of preimpregnation area includes feeding mechanism, lays mechanism, cutting mechanism, guide mechanism and reversing mechanism, cutting mechanism set up in the horizontal direction in feeding mechanism with between the reversing mechanism, the reversing mechanism is located under the feeding mechanism, wherein:
the feeding mechanism comprises a left tape roll, a right tape roll, a first clamping double roll, a second clamping double roll, a first prepreg tape and a second prepreg tape, the first prepreg tape is sleeved on the left tape roll, the first clamping double roll is two clamping rolls which are arranged in bilateral symmetry, the first clamping double roll is positioned below the left tape roll, the second prepreg tape is sleeved on the right tape roll, the second clamping double roll is two clamping rolls which are arranged in bilateral symmetry, and the second clamping double roll is positioned below the right tape roll;
the laying mechanism comprises a first heating roller, a first pressing roller, a first laying roller, a second pressing roller and a second heating roller, wherein the first heating roller is positioned on the left side of the first pressing roller, the first laying roller is positioned on the right side of the first pressing roller, the second heating roller is positioned on the left side of the second pressing roller, and the second laying roller is positioned on the right side of the second pressing roller;
the guiding mechanism comprises a first guiding mechanism, a third guiding mechanism and a second guiding mechanism, wherein a groove for accommodating the first heating roller is formed in the first guiding mechanism, a groove for accommodating the first laying roller and the second laying roller is formed in the third guiding mechanism, a groove for accommodating the second heating roller is formed in the second guiding mechanism, and the third guiding mechanism is arranged between the first guiding mechanism and the second guiding mechanism.
Further, the laying head fixing device comprises a second rolling wheel, a first fixing piece, a mounting disc, a fixed disc, a second connecting shaft, a rotating disc, a second fixing piece and a third connecting shaft, the outer cover is rotatably connected with one end of the second fixing piece through a third connecting shaft, the outer cover can rotate around the circumference of the third connecting shaft to drive the automatic prepreg tape laying head to rotate around the circumference of the third connecting shaft, the other end of the second fixing piece is fixedly connected with the rotating disc, the rotating disc is rotatably connected with one end of the fixed disc through a second connecting shaft, the rotating disc can rotate around the circumferential direction of the second connecting shaft, the other end of the fixed disc is fixedly connected with one end of the first fixing piece through the mounting disc, the other end of the first fixing piece is connected with a second rolling wheel, and the second rolling wheel can roll in the cross beam guide rail.
Further, the cutting mechanism comprises a double-head laser cutter and a support frame, wherein the double-head laser cutter sends out two beams of laser with opposite directions along the horizontal direction and is used for cutting the first prepreg tape and the second prepreg tape respectively.
Further, reversing mechanism includes first reversing mechanism and second reversing mechanism, first reversing mechanism includes first reversing plate, first slip node, first guide base and first fixed block, constitute between first guide base with first guide mechanism guide channel when first preimpregnation area forward is put, first guide base with constitute between the third guide mechanism guide channel when first preimpregnation area reverse is put, first reversing plate passes through first slip node with first guide base is connected with the articulated mode, first compression roller passes through first fixed block is fixed on the first guide base.
Further, the second reversing mechanism comprises a second reversing plate, a second sliding joint, a second guide base and a second fixed block, a guide channel is formed between the second guide base and the third guide mechanism when the second prepreg tape is forwardly laid, the guide channel is formed between the second guide base and the second guide mechanism when the second prepreg tape is reversely laid, the second reversing plate is connected with the second guide base in a hinged mode through the second sliding joint, and the second pressing roller is fixed on the second guide base through the second fixed block.
Further, the left and right side surfaces of the first reversing plate and the second reversing plate comprise protrusions.
Further, the first heating pair roller and the second heating pair roller respectively comprise an upper heating roller and a lower heating roller, in the horizontal direction, the height of the upper heating roller is higher than that of the lower heating roller, and the lower heating rollers of the first heating pair roller and the second heating pair roller are respectively placed in the grooves of the first guiding mechanism and the second guiding mechanism.
The invention has the beneficial effects that:
1. the automatic laying device of the prepreg tapes can lay the two layers of prepreg tapes simultaneously, and does not need to lay the prepreg tapes layer by layer once, so that the production efficiency is greatly improved.
2. And a bidirectional guide mechanism is arranged, when the laying of the current path is finished, the bidirectional guide mechanism is reversed to respectively guide the first prepreg tape and the second prepreg tape to be conveyed to the first compression roller and the second compression roller along the direction opposite to the previous laying process to carry out the next laying process, the second heating roller starts to work at the moment, the second laying mechanism lays first, the first laying mechanism then compacts and solidifies without idle stroke return or U-turn, and the laying time is saved.
3. By adopting laser cutting, the cutting process does not contact the belt material, so that the belt material is not damaged unnecessarily, and the laying effect is ensured.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a front view of an automatic prepreg tape laying head and a guide rail bracket according to the present invention
FIG. 2 is a left side view of the automatic prepreg tape laying head and rail brackets of the present invention
FIG. 3 is a schematic diagram of the forward laying of the automatic prepreg tape laying device of the present invention
FIG. 4 is a schematic view of a first reversing mechanism of the present invention
FIG. 5 is a schematic view of a second reversing mechanism of the present invention
FIG. 6 is a schematic view of the cutting state of the present invention
FIG. 7 is a schematic diagram of the reverse laying of the automatic prepreg tape laying apparatus of the present invention
FIG. 8 is a schematic view of a reversing mechanism according to another embodiment of the present invention
In the figures, the reference numerals are as follows:
1: left coil, 2: right tape roll, 3: first nip pair roller, 4: a second clamping pair roller: 5: first guide mechanism, 6: first heating pair roller, 7: first press roll, 8: first lay pair roller, 9: first reversing mechanism, 10: third guide mechanism, 11: second lay-up roller, 12: second press roll, 13: second heated pair of rollers, 14: second guide mechanism, 15: second reversing mechanism, 16: double-head laser cutter, 17: support frame, 18: first prepreg tape, 19: second prepreg tape, 20: first commutation plate, 21: first sliding node, 22: first guide base, 23: first fixing block, 24: second commutation plate, 25: second sliding node, 26: second guide base, 27: second fixed block, 28: projection, 29: substrate, 30: u-shaped support column, 31: rolling beam, 32: first roller wheel, 33: first connecting shaft, 34: u-shaped strut top, 35: second scroll wheel, 36: first fixing member, 37: mounting plate, 38: fixed disk, 39: second connecting shaft, 40: rotating disk, 41: second fixing member, 42: third connecting shaft, 43: housing, 44: beam guide, 45: support guide rail
Detailed Description
As shown in the figure: an automatic laying head of a prepreg tape and a guide rail bracket are disclosed, the guide rail bracket comprises two U-shaped supporting columns 30, a rolling beam 31 and a laying head fixing device, the two U-shaped supporting columns 30 are symmetrically arranged at two sides of the automatic laying head of the prepreg tape, a bracket guide rail 45 is arranged in the top of each U-shaped supporting column 30, the rolling beam 31 is fixed on a first rolling wheel 32 through a first connecting shaft 33, the first rolling wheel 32 can roll in the bracket guide rail 45, a beam guide rail 44 is arranged in the rolling beam 31, an outer cover 43 is arranged at the outer side of the automatic laying head of the prepreg tape, and the outer cover 43 is connected with the rolling beam 31 through the laying head fixing device;
the automatic head of laying of preimpregnation area includes feeding mechanism, lays mechanism, cutting mechanism, guide mechanism and reversing mechanism, cutting mechanism set up in the horizontal direction in feeding mechanism with between the reversing mechanism, the reversing mechanism is located under the feeding mechanism, wherein:
the feeding mechanism comprises a left strip coil 1, a right strip coil 2, a first clamping pair roller 3, a second clamping pair roller 4, a first prepreg tape 18 and a second prepreg tape 19, wherein the first prepreg tape 18 is sleeved on the left strip coil 1, the first clamping pair roller 3 is two clamping rollers which are arranged in bilateral symmetry, the first clamping pair roller 3 is positioned below the left strip coil 1, the second prepreg tape 19 is sleeved on the right strip coil 2, the second clamping pair roller 4 is two clamping rollers which are arranged in bilateral symmetry, and the second clamping pair roller 4 is positioned below the right strip coil 2;
the laying mechanism comprises a first heating roller 6, a first pressing roller 7, a first laying roller 8, a second laying roller 11, a second pressing roller 12 and a second heating roller 13, wherein the first heating roller 6 is positioned on the left side of the first pressing roller 7, the first laying roller 8 is positioned on the right side of the first pressing roller 7, the second heating roller 13 is positioned on the left side of the second pressing roller 12, and the second laying roller 11 is positioned on the right side of the second pressing roller 12;
the guiding mechanism comprises a first guiding mechanism 5, a third guiding mechanism 10 and a second guiding mechanism 14, wherein a groove for accommodating the first heating roller 6 is formed in the first guiding mechanism 5, a groove for accommodating the first laying roller 8 and the second laying roller 11 is formed in the third guiding mechanism 10, a groove for accommodating the second heating roller 13 is formed in the second guiding mechanism 14, and the third guiding mechanism 10 is arranged between the first guiding mechanism 5 and the second guiding mechanism 14.
Specifically, the laying head fixing device comprises a second rolling wheel 35, a first fixing piece 36, a mounting disc 37, a fixing disc 38, a second connecting shaft 39, a rotating disc 40, a second fixing piece 41 and a third connecting shaft 42, an outer cover 43 is rotatably connected with one end of the second fixing piece 41 through the third connecting shaft 42, the outer cover 43 can rotate around the circumferential direction of the third connecting shaft 42 to drive the prepreg tape automatic laying head to rotate around the circumferential direction of the third connecting shaft 42, the other end of the second fixing piece 41 is fixedly connected with the rotating disc 40, the rotating disc 40 is rotatably connected with one end of the fixing disc 38 through the second connecting shaft 39, the rotating disc 40 can rotate around the circumferential direction of the second connecting shaft 39, the other end of the fixing disc 38 is fixedly connected with one end of the first fixing piece 36 through the mounting disc 37, the other end of the first fixing member 36 is connected to a second rolling wheel 35, and the second rolling wheel 35 can roll in the cross beam guide rail 44.
Specifically, the cutting mechanism includes a double-headed laser cutter 16 and a support frame 17, and the double-headed laser cutter 16 emits two laser beams with opposite directions along the horizontal direction, and the two laser beams are used for cutting the first prepreg tape 18 and the second prepreg tape 19 respectively.
Specifically, the reversing mechanism includes a first reversing mechanism 9 and a second reversing mechanism 15, the first reversing mechanism 9 includes a first reversing plate 20, a first sliding joint 21, a first guiding base 22 and a first fixed block 23, a guiding channel when the first prepreg tape 18 is forward laid is formed between the first guiding base 22 and the first guiding mechanism 5, a guiding channel when the first prepreg tape 18 is reverse laid is formed between the first guiding base 22 and the third guiding mechanism 10, the first reversing plate 20 is connected with the first guiding base 22 in a hinged manner through the first sliding joint 21, and the first pressing roller 7 is fixed on the first guiding base 22 through the first fixed block 23.
Specifically, the second reversing mechanism 15 includes a second reversing plate 24, a second sliding node 25, a second guiding base 26 and a second fixed block 27, a guiding channel when the second prepreg tape 19 is laid in the forward direction is formed between the second guiding base 26 and the third guiding mechanism 10, a guiding channel when the second prepreg tape 19 is laid in the reverse direction is formed between the second guiding base 26 and the second guiding mechanism 14, the second reversing plate 24 is connected with the second guiding base 26 in a hinged manner through the second sliding node 25, and the second pressing roller 12 is fixed on the second guiding base 26 through the second fixed block 27.
Specifically, the left and right sides of the first and second reversing plates 20, 24 include protrusions 28, which act as a stop to prevent the prepreg tape from shifting due to inertia, etc., and ensure that the prepreg tape can be delivered along a target guide path.
Specifically, the first heating pair roller 6 and the second heating pair roller 13 respectively include an upper heating roller and a lower heating roller, the upper heating roller is higher than the lower heating roller in the horizontal direction, and the lower heating rollers of the first heating pair roller 6 and the second heating pair roller 13 are respectively placed in the grooves of the first guide mechanism 5 and the second guide mechanism 14.
During work, the first rolling wheels 32 can roll in the support guide rails 45 to drive the rolling cross beam 31 to reciprocate along the longitudinal direction, the second rolling wheels 35 can roll in the cross beam guide rails 44 while moving along the longitudinal direction to drive the laying head to reciprocate along the axial direction of the rolling cross beam 31, meanwhile, the rotating disc 40 rotates around the circumferential direction of the second connecting shaft 39 to drive the laying head to rotate, so that the laying head is suitable for laying along a path in any direction, and the laying head can rotate around the circumferential direction of the third connecting shaft 42 to be suitable for laying of the small-curvature curved-surface substrate 29.
Sleeving a prepreg tape roll on a left tape roll 1, leading a tape head to pass through the middle of a left clamping roller and a right clamping roller of a first clamping roller pair 3, clamping the prepreg tape by the mutual pressure of the two clamping rollers, then sleeving another roll of prepreg tape on a right tape roll 2, leading the tape head to pass through the middle of a left clamping roller and a right clamping roller of a second clamping roller pair 4, clamping the prepreg tape by the two clamping rollers, controlling the first clamping roller pair 3 and the second clamping roller pair 4 to rotate continuously, leading the tape head of the first prepreg tape 18 to be delivered to the first heating roller pair 6 along a guide channel, leading the tape head of the second prepreg tape 19 to be delivered to the second laying roller 11 along the guide channel, then starting forward movement of the automatic prepreg tape laying device, and performing forward laying, pressing and laying a first layer by a first laying mechanism, and due to the arrangement of the heating roller by the first laying mechanism, pre-impregnating an innermost layer (close to a mold) to be pre-melted and have enough viscosity, the adhesion of the prepreg tape on the surface of the mold is improved, the second laying mechanism is arranged at a distance behind the first laying mechanism and then presses and lays the second layer, at the moment, the first layer of prepreg tape is still in a hot melting state with viscosity, so that the two layers of prepreg tapes are well bonded, meanwhile, the two layers of prepreg tapes are compacted and solidified due to secondary rolling of the second compression roller 12, the automatic prepreg tape laying device can simultaneously lay the two layers of prepreg tapes without single layer-by-layer laying, and the production efficiency is greatly improved.
When the laying of the current path is finished, the double-head laser cutter 16 performs laser cutting on the first prepreg tape 18 and the second prepreg tape 19, the cutting process does not contact with the tape, redundant damage to the tape is avoided, and the laying effect is guaranteed. The reversing mechanism reverses, the first prepreg tape 18 and the second prepreg tape 19 are respectively guided to be conveyed to the first compression roller 7 and the second compression roller 12 along the direction opposite to the previous laying process, the next laying process is carried out, the second heating pair roller 13 starts to work at the moment, the second laying mechanism lays first, the first laying mechanism then compacts and solidifies, no idle stroke return stroke or turning around is needed, and the laying time is saved.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. The utility model provides a guide rail bracket, includes that the head is put to automatic the laying of preimpregnation area, its characterized in that: the guide rail support comprises two U-shaped support columns, a rolling cross beam and a laying head fixing device, the two U-shaped support columns are symmetrically arranged on two sides of the automatic laying head of the prepreg tape, a support guide rail is arranged in the top of each U-shaped support column, the rolling cross beam is fixed on a first rolling wheel through a first connecting shaft, the first rolling wheel can roll in the support guide rail, a cross beam guide rail is arranged in the rolling cross beam, an outer cover is arranged on the outer side of the automatic laying head of the prepreg tape, and the outer cover is connected with the rolling cross beam through the laying head fixing device;
the automatic head of laying of preimpregnation area includes feeding mechanism, lays mechanism, cutting mechanism, guide mechanism and reversing mechanism, cutting mechanism set up in the horizontal direction in feeding mechanism with between the reversing mechanism, the reversing mechanism is located under the feeding mechanism, wherein:
the feeding mechanism comprises a left tape coil, a right tape coil, a first clamping pair roller, a second clamping pair roller, a first prepreg tape and a second prepreg tape, the first prepreg tape is sleeved on the left tape coil, the first clamping pair roller is two clamping rollers which are arranged in bilateral symmetry, the first clamping pair roller is positioned below the left tape coil, the second prepreg tape is sleeved on the right tape coil, the second clamping pair roller is two clamping rollers which are arranged in bilateral symmetry, and the second clamping pair roller is positioned below the right tape coil;
the laying mechanism comprises a first heating roller, a first pressing roller, a first laying roller, a second pressing roller and a second heating roller, wherein the first heating roller is positioned on the left side of the first pressing roller, the first laying roller is positioned on the right side of the first pressing roller, the second heating roller is positioned on the left side of the second pressing roller, and the second laying roller is positioned on the right side of the second pressing roller;
the guiding mechanism comprises a first guiding mechanism, a third guiding mechanism and a second guiding mechanism, wherein a groove for accommodating the first heating roller is formed in the first guiding mechanism, a groove for accommodating the first laying roller and the second laying roller is formed in the third guiding mechanism, a groove for accommodating the second heating roller is formed in the second guiding mechanism, and the third guiding mechanism is arranged between the first guiding mechanism and the second guiding mechanism.
2. The guide rail bracket of claim 1, wherein: the laying head fixing device comprises a second rolling wheel, a first fixing piece, an installation disc, a fixed disc, a second connecting shaft, a rotating disc, a second fixing piece and a third connecting shaft, the outer cover is rotatably connected with one end of the second fixing piece through a third connecting shaft, the outer cover can rotate around the circumference of the third connecting shaft to drive the automatic prepreg tape laying head to rotate around the circumference of the third connecting shaft, the other end of the second fixing piece is fixedly connected with the rotating disc, the rotating disc is rotatably connected with one end of the fixed disc through a second connecting shaft, the rotating disc can rotate around the circumferential direction of the second connecting shaft, the other end of the fixed disc is fixedly connected with one end of the first fixing piece through the mounting disc, the other end of the first fixing piece is connected with a second rolling wheel, and the second rolling wheel can roll in the cross beam guide rail.
3. The guide rail bracket of claim 2, wherein: the cutting mechanism comprises a double-head laser cutter and a support frame, wherein the double-head laser cutter sends out two beams of laser with opposite directions along the horizontal direction and is used for cutting the first prepreg tape and the second prepreg tape respectively.
4. The guide rail bracket of claim 3, wherein: reversing mechanism includes first reversing mechanism and second reversing mechanism, first reversing mechanism includes first kickboard, first slip node, first guide base and first fixed block, first guide base with constitute between the first guide mechanism guide passageway when first preimpregnation area forward is spread, first guide base with constitute between the third guide mechanism guide passageway when first preimpregnation area reverse is spread, first kickboard passes through first slip node with first guide base is connected with the articulated mode, first compression roller passes through first fixed block is fixed on the first guide base.
5. The guide rail bracket of claim 4, wherein: the second reversing mechanism comprises a second reversing plate, a second sliding node, a second guiding base and a second fixed block, the second guiding base is provided with a guiding channel formed between the third guiding mechanism when the second prepreg tape is forwardly laid, the second guiding base is provided with a guiding channel formed between the second guiding mechanism when the second prepreg tape is reversely laid, the second reversing plate is connected with the second guiding base in a hinged mode through the second sliding node, and the second pressing roller is fixed on the second guiding base through the second fixed block.
6. The guide rail bracket of claim 5, wherein: the left and right side surfaces of the first reversing plate and the second reversing plate comprise protrusions.
7. The guide rail bracket of claim 6, wherein: the first heating roller pair and the second heating roller pair respectively comprise an upper heating roller and a lower heating roller, the upper heating roller is higher than the lower heating roller in the horizontal direction, and the lower heating rollers of the first heating roller pair and the second heating roller pair are respectively placed in grooves of the first guide mechanism and the second guide mechanism.
CN202110646473.9A 2021-06-10 2021-06-10 Automatic laying head for prepreg tape and guide rail bracket Active CN113276447B (en)

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CN202110646473.9A CN113276447B (en) 2021-06-10 2021-06-10 Automatic laying head for prepreg tape and guide rail bracket

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CN202110646473.9A CN113276447B (en) 2021-06-10 2021-06-10 Automatic laying head for prepreg tape and guide rail bracket

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CN113276447A CN113276447A (en) 2021-08-20
CN113276447B true CN113276447B (en) 2022-07-08

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