KR20180069281A - Composite fiber forming sheet post-processing apparatus having a stick-shaped forming section - Google Patents

Abstract

The present invention relates to a composite fiber forming sheet post-processing apparatus having a stick-shaped forming section. More particularly, the present invention relates to a composite fiber molding sheet post-processing apparatus having a stick-shaped forming section which continuously forms a stick-shaped forming section on an inner part to be molded with hot rolling compression by post-processing a composite fiber forming sheet which is laminated in the hot rolling compression forming mold and is formed into a composite molded product by hot rolling compression.

Description

TECHNICAL FIELD [0001] The present invention relates to a composite fiber forming sheet post-processing apparatus having a stick-

The present invention relates to a composite fiber forming sheet post-processing apparatus having a stick-shaped forming part, which comprises a post-processing step of post-processing a composite fiber-formed sheet laminated in a hot- And a stick-shaped forming section for continuously forming a stick-shaped forming section.

Recently, a composite fiber-forming film formed by fixing carbon fiber yarn, glass fiber yarn, aramid yarn, ceramic fiber, metal fiber, mineral fiber, or polymer fiber through a matrix resin made of a thermoplastic resin or a composite fiber- Composite fiber forming A composite fiber forming sheet comprising a woven fabric is laminated and hot pressed to form a composite fiber molded article.

As described above, the composite fiber molded product formed through hot compression has excellent durability by the reinforcement yarn and the matrix resin, while ensuring light weight. Particularly, the composite fiber-formed sheet is put into a hot- It has an advantage that the productivity is greatly improved as compared with the conventional prepreg method.

Meanwhile, in the process of forming the composite fiber formed article by the hot compression, the composite fiber formed sheet is laminated alternately and then formed by hot compression. In the hot compression process, as shown in FIG. 8, the reinforcing fiber is pulled and locally cut A phenomenon that the reinforcing yarn is missing in the region is inevitably generated, or the molding state of the right angle portion is irregularly wrinkled, resulting in a phenomenon that the appearance is unpleasant.

The omission of the reinforcing yarn and the irregular wrinkling phenomenon in appearance are further intensified at the corner portions where the bending occurs due to the composite fiber molded product. Thus, the phenomenon of omission of the reinforcing yarn (VOID phenomenon) or peeling of the continuous fiber reinforcing yarn It is difficult to ensure the uniform strength and appearance of the composite fiber molded product and consequently to deteriorate the quality including the strength and the appearance of the composite fiber molded product.

KR 10-1470803 B1 KR 10-2010-0023902 A JP 2011093175 A

It is an object of the present invention, which is devised to overcome the above-described problems, to provide a method of manufacturing a composite fiber-reinforced thermoplastic resin sheet, which comprises forming a composite sheet of a composite fiber sheet by post- It is possible to form a composite fiber molded article having a uniform strength and a beautiful appearance by preventing the reinforcement yarn from missing (VOID phenomenon) at the corner portion of the composite fiber molded product due to breaking of the reinforcing yarn or preventing peeling (peeling or cracking) And a stick-shaped forming section.

The above object is achieved by the following constitutions provided in the present invention.

A composite fiber forming sheet post-processing apparatus having a stick-shaped forming unit according to the present invention comprises:

In the inner side portion formed between the opposite side edge portions of the composite fiber film sheet, the folding edges arranged at the setting arrangement interval and the setting arrangement angle are cut,

At least a non-cut band portion is formed on both side edges of the composite film sheet, and only the inner portion is cut between the band portions at a predetermined arrangement interval to form a shaping stick portion having shaping sticks connected to the band portions, .

Preferably, the apparatus further includes a complex fiber forming sheet feeder unit for feeding and developing the composite fiber film sheet to the stick forming apparatus unit; And a composite fiber forming sheet winding device for winding the composite fiber forming sheet having the band portion and the forming stick portion in the stick molding device portion.

More preferably, the stick molding apparatus includes: a support base for supporting a composite fiber formed sheet supplied in the longitudinal direction; A lifting base disposed at an upper portion of the supporting base in an elevating structure; And one or more finishing dies disposed on the lifting base, the finishing dies being disposed at a set placement interval and a set placement angle,

Each of the mold halves is vertically cut into the inner side portion of the composite fiber forming sheet which is seated on the support base by the lifting and lowering action of the lifting base so that at least both side edges of the composite fiber forming sheet form non- And between the band portions, forming sticks formed by arranging the forming sticks cut in three rows in parallel are formed.

A preload plate for preliminarily pressurizing the composite fiber forming sheet deployed on the support base is installed on the lower portion of the elevating base, and the preload plate is provided with elevating plates for elevating and lowering A slot is formed,

The composite fiber forming sheet deployed on the support base by the descent of the lifting base is preliminarily fixed by a preloading plate and is then folded only along the inner side by three folding dies that descend along the lifting slot.

Further, the elevating base is provided with one or more mold halves, each of which is made of a pair of refractory molds,

Wherein one of the split molds and the remaining split molds of the pair of separated molds constituting the mold cavity are formed to be parallel to each other at an oblique angle or a right angle, The pair of stick forming portions are formed with shaping sticks which are parallel to each other at an oblique angle or in a straight line,

When the pair of stick forming portions are folded and overlapped, the forming sticks of the stacked stick forming portions cross each other at right angles.

As described above, according to the present invention, in the composite fiber formed sheet, the inner portion where the hot forming is performed is cut to form a composite fiber formed sheet continuously forming a forming stick formed by aligning a plurality of forming sticks, A post-processing apparatus is provided.

When the forming stick portion is formed on the inner side of the composite fiber-forming sheet as in the present invention, the inner portion which is hot-compression-molded in the hot-pressing molding process is preformed by shaping sticks and is hot- .

Therefore, the composite fiber molded product formed through the stick forming portion is hot-formed in a state that the reinforcing yarns are uniformly arranged without missing the reinforcing yarn as a whole, including the corner portions, so that the composite yarn can be uniformly formed without peeling of the reinforcing yarn It will have a beautiful appearance.

Further, in the composite fiber formed sheet formed by the present invention, the forming stick forming the stick forming portion is in the form of a sheet in which the end portion is fixed to the band portion, so that the shaping stick is kept in a regularly arranged state, Input is possible.

Particularly, in the present invention, since the composite fiber forming sheet developed on the support base on the lifting base is preliminarily pressed, the three fiber blades are cut into the composite fiber forming sheet and cut into three sections of the elaborate composite fiber forming sheet through the three blades.

Further, in the present invention, if the arrangement of the three-arched blades disposed in the refill mold is uniquely arranged so that the composite fiber-formed sheet is cut open and folded and folded, the molding sticks of the laminated stick- It is possible to manufacture a composite fiber molded product in which molding sticks crossed at right angles to each other by hot fusion are molded.

Fig. 1 is a schematic view showing the outline configuration of a post-processing apparatus for forming a composite fiber sheet with a molded stick structure proposed as a preferred embodiment of the present invention,
FIG. 2 is a view showing the post-processing state of the composite fiber forming sheet through the composite fiber forming sheet post-processing apparatus proposed by the present invention as a preferred embodiment,
FIG. 3 is an exploded perspective view showing a detailed configuration of a stick forming part in a post-processing apparatus for a composite fiber forming sheet proposed as a preferred embodiment of the present invention,
FIG. 4 is a view showing the post-processing state of the composite fiber forming sheet through the stick forming unit in the post-processing apparatus of the composite fiber forming sheet proposed in the preferred embodiment of the present invention,
5 shows composite fiber-formed sheets formed by a composite fiber-formed sheet post-processing apparatus with a molded stick structure proposed in the preferred embodiment of the present invention,
Fig. 6 shows the molding state of the composite fiber-forming sheet in which the forming sticks cross at right angles by overlapping by folding in the post-processing apparatus for a composite fiber-forming sheet proposed in the preferred embodiment of the present invention,
7 is a view showing a hot-pressed state of the composite fiber-formed sheet formed by the composite fiber-formed sheet post-processing apparatus proposed by the present invention as a preferred embodiment,
Fig. 8 is a schematic view showing a state of missing and irregularly corrugated reinforcing yarns generated during hot compression of a conventional composite fiber-formed sheet.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the present invention are shown.

Fig. 1 is a schematic view showing the external appearance of a composite fiber sheet post-fabrication apparatus proposed as a preferred embodiment of the present invention. Fig. 2 is a schematic view showing a molding stick structure proposed in the preferred embodiment of the present invention, FIG. 3 is a perspective view showing the post-processing state of the composite fiber-forming sheet through the post-processing apparatus. FIG. 3 is a perspective view showing the detailed configuration of the stick- And FIG. 4 is a view showing the post-processing state of the composite fiber forming sheet through the stick forming unit in the post-processing apparatus of the composite fiber forming sheet proposed in the preferred embodiment of the present invention in order. FIG. The molded stick structure proposed in the preferred embodiment is referred to as " FIG. 6 shows a molding stick structure proposed in the preferred embodiment of the present invention in a composite fiber sheet post-processing apparatus, in which the forming sticks FIG. 7 is a view showing a molding state of a composite fiber-formed sheet which is orthogonally crossed and which is proposed in the preferred embodiment of the present invention by the hot compression molding of a composite fiber-formed sheet formed by the post- It shows the status.

The composite fiber forming sheet post-processing apparatus 1 having a stick-shaped forming part according to the present invention is formed by post-processing a composite fiber forming sheet 100 formed by a hot compression molding to form a composite fiber molded product, And the inner side portions of the opposite side edge portions are cut through the three-pointed bobbin at a set disposition interval and a set disposition angle, and the forming sticks 121 having the forming sticks 121 connected to the band portion 110, (120).

The composite fiber forming sheet 100 to be post-processed according to the present invention is a composite fiber formed sheet 100 that is made of carbon fiber yarn, aramid yarn or glass fiber yarn, ceramic fiber yarn, metal fiber yarn, mineral fiber yarn, UD film which is arranged in the direction of the reinforcing film and which is fixed by means of a liquid-phase matrix made of a thermoplastic resin or a film-like matrix or a reinforcing film fabric woven from a composite film formed by fixing the reinforcing yarn through a matrix In this embodiment, the UD film is used as a composite fiber-forming sheet.

More specifically, in the present specification, the composite fiber-formed sheet 100 is made of a thermoplastic resin (such as carbon fiber yarn, glass fiber yarn, aramid fiber yarn, ceramic fiber yarn, metal fiber yarn, mineral fiber yarn, (Peak, PA6, PA66, TPU, PET, PE, PP, etc.), or non-impregnated filament yarn.

In addition, the yarn or the yarn that has been widely spread by sprinkling the warp yarn may be used, the film yarn impregnated with the thermoplastic resin by spreading the warp yarn, or the weaving yarn may be adopted.

The thermoplastic resin film-reinforced sheet 200 refers to a thermoplastic resin film which is used as a thermoplastic resin film in which a reinforcing yarn is spirally spread to be laminated vertically on a wide stretched yarn itself, hot melt fused to impregnate the reinforcing yarn.

The composite fiber-formed sheet 100 ', which is formed by the post-process of the present invention and has the band portion 110 and the stick-formed portion 120 formed thereon, And a forming stick portion. During the hot forming process, the forming sticks are thermally fused and formed by being uniformly dispersed as shown in FIG.

Therefore, the reinforcing yarn constituting the composite fiber forming sheet is physically broken during the process of molding the composite fiber molded product through the hot pressing, so that the phenomenon that the reinforcing yarn is dispersed and missing in the corner section of the composite fiber molding, (Bending or cracking) phenomenon is prevented, and the forming sticks 121 to be hot-formed are not individually separated but are connected to each other by the band portion 110 to maintain the sheet shape. Therefore, It is possible to collectively put the sticks in an aligned state.

1 to FIG. 2, only the inner side portion of the composite fiber-formed sheet 100 is cut at a predetermined arrangement interval and a set arrangement angle, A non-cut band portion 110 is formed on both side edges of the composite fiber forming sheet 100 and a molding stick portion 121 having molding sticks 121 connected to ends of the band portion 110 is formed between the band portions 110 The present invention relates to a stick forming apparatus, and more particularly, to a stick forming apparatus including a stick forming apparatus section for forming a plurality of sheet bundles, And a composite fiber forming sheet winding unit (30) for winding up the composite fiber forming sheet (100 ') which has been finished by the stick forming apparatus unit (10) , Post-processing of the composite fiber-formed sheet, and recovery of the post-processed composite fiber-formed sheet are automatically realized.

The composite fiber forming sheet feeder unit 20 includes a composite fiber forming sheet feed roller 21 for expanding and supplying the wound composite fiber forming sheet 100. In the present embodiment, the composite fiber forming sheet feeding unit 20 includes a thermoplastic resin film reinforcing sheet 200 ) Is thermally fused to the composite fiber-formed sheet (100) to form a semi-formed sheet (101), so that a thermoplastic resin film is impregnated on the surface of the composite fiber-formed sheet (100) The pretreatment for forming the formed sheet 101 is enabled.

In this embodiment, in the present embodiment, a thermoplastic resin film reinforcing sheet (not shown) is provided on one surface or both surfaces of the composite fiber forming sheet 100 developed in the compound fiber forming sheet feeding roller 21 in the composite fiber forming sheet feeding apparatus 20 A reinforcing sheet feeding roller 22 for feeding the reinforcing sheet 200 to the laminated composite fiber forming sheet 100 and a thermocompression roller 24 for thermally fusing the thermoplastic resin film reinforcing sheet 200 are added.

The hot plate member 23 for preheating the thermoplastic resin film reinforcing sheet 200 entering between the hot press rollers 24 is disposed in front of the hot press roller 24 in this embodiment, And a cooling member 25 for cooling the thermoplastic composite sheet 100 is disposed at the rear side.

The heat plate member 23 is configured to instantaneously preheat the reinforcing fiber-formed sheet in which the laminated thermoplastic resin film reinforcing sheet is laminated at a temperature of 450 ° C to 500 ° C at the maximum, and is usually constituted by a high frequency current transmission type, Various preheating structures may be adopted.

The cooling member 25 adopts various cooling structures such as a water-cooled type, a compressed air discharge type air-cooled type, and a refrigerant type.

Therefore, the reinforcing layer 201 made of a thermoplastic resin is formed by hot fusing on the strands of the composite fiber-forming sheet 100 by the composite fiber-forming sheet feeding apparatus unit 20, and consequently, the composite fiber- The reinforcing layer 201 made of a thermoplastic resin has more improved shape stability and hot-moldability.

Of course, it is also possible to select an epoxy resin or a polyester resin by substituting the thermoplastic resin, which is also intended to be within the scope of the present invention.

When the composite fiber-formed sheet 100 wound around the composite fiber-formed sheet feeder unit 20 in another embodiment uses a composite fiber film already impregnated with a thermoplastic resin, the thermoplastic resin film- And only the composite fiber-formed sheet 100 impregnated with the thermoplastic resin is put into the stick molding apparatus unit 10 to be post-processed.

As shown in FIGS. 1 to 3, the stick forming apparatus 10 for post-processing the composite fiber forming sheet 100 fed from the composite fiber forming sheet feeder unit 20 is a composite A support base 11 for supporting the fiber-formed sheet 100; A lifting base (13) arranged on an upper part of the supporting base (11) in an elevating structure; And at least one finishing die (14) disposed on the elevating base (13) and having three bottoms (14a) arranged at a set placement interval and a set placement angle.

3 to 5, four bellows molds 14 are arranged at equal intervals on the bottom surface of the lifting base 13 and the lifting base 13 is lifted and lowered to the supporting base 11 Four molded stick parts 120 are formed on the inner side of the positioned composite fiber molded sheet 100 so as to be partitioned.

5, the end portion 121a of the forming stick 121 formed by the refolding process is formed on both sides of the composite fiber forming sheet 100, The end portion 121a is connected to the side band portion 111 formed at the edge portion and the division band portion 112 formed between the forming stick portion 120 and the forming stick portion 120 so as to form a gap between the band portions 111 and 112 The shaping sticks 121 form a state in which they are arranged in a regular manner.

A guide slot 11a having the same setting arrangement interval and a setting arrangement angle as those of the triple staves 14a is formed in the support base 11 so as to correspond to the guide slots 11a formed on the upper surface of the support base 11, The three bills 14a passing through the seat 100 do not physically collide with the support base 11 but are caused to descend along the guide slot 11a.

1 and 2, the support base 11 may have a single body.

3 and 4, the support base 11 is divided into a plurality of support blocks 11b spaced apart from each other. A guide roller 12 is interposed between the support blocks 11b, Or the partitioned support blocks 11b are arranged in an ascending and descending structure so that the phase of the guide rollers 12 is increased in the course of conveying the composite fiber forming sheet 100 to convey the composite fiber forming sheet 100 And in the post-process of the composite fiber-formed sheet 100, the phase of the support block 11b is increased to support the composite fiber-formed sheet 100. [

Here, the divided support blocks 11b and the conveying rollers 12 can be adjusted in phase by various phase adjusting members 12a such as springs and cylinders.

The elevated base 13 is provided with a preload structure on the composite fiber formed sheet 100 that is seated on the support base 11 and is cut by the three edges 14a of the refill mold 14, The inner side portion of the composite fiber-formed sheet 100 seamed by the three-piece bending edge 14a of the bending mold 14 is preliminarily pressed by the support base 11.

The preload structure of the composite fiber forming sheet 100 provided on the lifting base 13 includes a preload plate 15 installed at a lower portion of the lifting base 13 in a lifting structure and a preload plate 15 And a preload supporting member (16) for downward support.

A spring or a cylinder is employed as a preload support member 16 for urging the elevating base 13 and the preload plate 15 between the elevating base 13 and the preload plate 15. In the present invention, a preload supporting member 16, The preload plate 15 elastically pre-pressurizes the composite fiber-formed sheet 100 seated on the support base 11.

The elevating slot 15a which is the ascending / descending path of the triangular stitches 14a of the bellows 14 fixed to the bottom surface of the elevating base 13 is provided in the preloading plate 15 for preloading the composite fiber forming sheet 100 .

4B, the composite fiber-formed sheet 100 positioned on the support base 11 by the descent of the lifting base 13 is preliminarily pre-pressed by the pre-load plate 15, The inner portion is cut off by the three bending edges 14a of the bending mold 14 falling along the elevation slots 15a of the preload plate 15. [

Thus, the stick forming apparatus 10 is preliminarily fixed by fixing the composite fiber forming sheet 100 seated on the support base 11 through the preloading plate 15 by the lifting and lowering action of the lifting base 13, The triple streaks 14a are cut into the inner side portions of both side edges of the fixed composite fiber forming sheet 100 by preliminarily pressing the three stitches 14a of the stitch mold 14 on the supporting base 11 to form the composite sheet 100, Side edge portions of the forming sticks 121 are formed between the opposite side band portions 111 by means of a triple-edged blade 14a, 120, and a non-cleaved segment band portion 112 is formed between the forming stick portions 120.

The end portion 121a of the forming stick 121 forming the forming stick 120 forms a non-seamed state, that is, a connected state with the non-seamed side band portion 111 or the divided band portion 112, Thereby forming a regular arrangement in the inner space of the composite fiber-formed sheet 100 '.

Here, the setting intervals of the three blades arranged in the refill mold are usually set between 10 mm and 100 mm, and the setting angle of the three blades 14a disposed in each of the refill molds 14 is set to be perpendicular to the longitudinal direction An orthogonal angle or a diagonal setting angle. It is preferable that the oblique line setting angle is 20 DEG to 80 DEG.

5A, the inner side of the composite fiber-formed sheet is cut in the width direction by arranging the folded edges at an orthogonal angle of 90 DEG in the refill mold. In Fig. 5B, the refractory mold has a ratio of width to width About 27 degrees), and in Fig. 5c, three stitches are arranged at a setting disposition angle of 45 degrees. The forming stick of the formed stick forming portion is connected at one end to the side band portion 111, And is connected to the division band portion 112 so as to maintain a more stable shape and strength of the composite fiber-formed sheet 100.

5D, trimming blades 14a formed by alternately forming an altar section 14a-a and a non-altar section 14a-b are disposed on the refill mold to form a unitary length The forming sticks 121 formed by alternating the footing section and the non-footing section are formed.

At this time, the trimmed blades disposed at intervals of the set intervals are arranged in a zigzag shape, and the composite fiber forming sheet after the molding is arranged in a staggered fashion without aligning the steps of the shaping sticks in a row , The forming stick portion has stable shape and durability.

The composite fiber-formed sheet 100, which has been finished by the stick molding apparatus 10, is wound around a take-up roller 31 of the composite fiber sheet winding apparatus 30.

The present embodiment further includes a release paper sheet feeding roller 32 for feeding the release paper sheet 300 to the composite fiber molded sheet winding apparatus section 30 so that the composite fiber formed sheet 100 ') Of the release paper sheet 300 are stacked and wound.

On the other hand, in the present invention, in embodying such a composite fiber sheet sheet post-processing apparatus 1, it is possible to dispose three knives 14a at a setting arrangement angle and a setting arrangement interval that are unique to each of the knives 14, The composite fiber forming sheet 100 'is formed by overlapping by bending so that the forming sticks 121 cross each other at right angles to each other.

For this, in this embodiment, as shown in FIG. 6, at least one mold set having two sets of the finishing molds 14 is disposed on the bottom surface of the elevating base 13, and a pair of sticks When the molding portions 120 are folded and overlapped, the forming sticks 121 of the overlapped stick forming portions 120 cross each other like a fabric.

In the present invention, for example, a pair of mold tanks 14 made of a pair of bending molds 14 are disposed apart from the lifting base 13, and a pair of stick forming portions 120 Is formed to be partitioned by the division band portion 112. [

To this end, in the present embodiment, a truncated bevel 14a is formed parallel to one diagonal cutout 14a in one of the two separate cutout molds 14 constituting the die set, So that the forming sticks 121 of the pair of stick forming portions 120 formed by molding are formed to be parallel to each other in the mutually oblique direction.

Accordingly, if the division band portion 112 formed between the pair of the stick forming portions 120 formed by the metal mold is folded and overlapped, the forming sticks 121 of the stacked stick forming portion 120 are mutually overlapped The composite fiber formed products which are orthogonally intersected and laminated and hot formed are formed by crossing orthogonally crossed forming sticks 121 formed into a hot melt form and uniformly dispersed and formed by hot sticking forming sticks 121 with improved quality stability Respectively.

1. Composite fiber forming sheet sheet post-processing device
10. Stick molding device part 11. Support base
11a. Guide slot 11b. Support block
12. Elevator guide roller 12a. Phase adjustment member
13. Lifting base
14. Cutting mold 14a. Three Blades
15. Preload plate 15a. Lifting slot
16. Preload support member
20. Composite fiber forming sheet feeding unit 21. Composite fiber forming sheet feeding roller
22. Thermoplastic film reinforcement sheet feed roller 23. Hot press roller
24. Hot member 25. Cold member
30. The composite fiber forming sheet retracting device 31. The take-up roller
32. Release paper feed roller section
100. Composite fiber forming sheet (before post-processing) 100 '. Composite fiber formed sheet (after post-processing)
110. Band part 111. Side band part
112. Compartment band section
120. Molding stick 121. Molding stick
200. Thermoplastic resin film reinforced sheet 300. Release sheet sheet

Claims (7)

In the inner side portion formed between the opposite side edge portions of the composite film sheet, the folding edges arranged at the setting arrangement interval and the setting arrangement angle are inserted,
At least a non-cut band portion is formed on both side edges of the composite film sheet, and only the inner portion is cut between the band portions at a predetermined arrangement interval to form a shaping stick portion having shaping sticks connected to the band portions, And a stick-shaped forming portion having a stick-shaped forming portion. [2] The apparatus of claim 1, further comprising: a complex fiber forming sheet feeder unit for developing and feeding the composite film sheet to the stick forming unit; Further comprising a composite fiber forming sheet winding device for winding a composite fiber forming sheet having a band portion and a forming stick portion in the stick forming device portion. [2] The apparatus of claim 1, wherein the stick forming device comprises: a support base for supporting a composite fiber formed sheet supplied in a longitudinal direction; A lifting base disposed at an upper portion of the supporting base in an elevating structure; And one or more finishing dies disposed on the lifting base, the finishing dies being disposed at a set placement interval and a set placement angle,
Each of the mold halves is vertically cut into the inner side portion of the composite fiber forming sheet which is seated on the support base by the lifting and lowering action of the lifting base so that at least both side edges of the composite fiber forming sheet form non- And a stick forming portion formed between the band portions and formed by arranging the forming sticks cut by the three wirings in parallel is formed. 4. The apparatus according to claim 3, wherein a preload plate for pre-pressurizing the composite fiber forming sheet deployed on the support base is installed on the lower portion of the elevating base, and the preload plate is provided with a lift path So that the lifting slot is formed,
The composite fiber forming sheet deployed on the support base by the descent of the lifting base is preliminarily fixed by the preload plate and then is fixed to the inner side only by the three wings of the bellows mold descending along the lifting slot And a stick-shaped forming part for forming a stick-shaped forming part. [5] The apparatus of claim 3, wherein the elevating base is provided with at least one mold half made of a pair of refractory molds,
Wherein one of the split molds and the remaining split molds of the pair of separated molds constituting the mold cavity are formed parallel to each other at an oblique angle so that the pair of molds Forming sticks are formed parallel to each other at an oblique angle,
Wherein the forming sticks of the superposed stick forming portions cross each other at right angles when the pair of stick forming portions are folded and overlapped with each other. [5] The elevator according to claim 3, wherein the lifting base is provided with folding edges formed by alternating an elevation section and a non-elevation section,
Wherein the split film forming sticks are formed in an inner space of the composite film sheet to be formed later by alternately forming an alternating section and a non-alternating section. The composite fiber forming apparatus according to claim 2, wherein the composite fiber forming sheet feeder unit includes a composite fiber forming sheet feed roller for developing and supplying the wound composite fiber forming sheet,
And a hot-melt bonding structure for forming a semi-formed sheet by hot-fusing the laminated thermoplastic resin film reinforcing sheet to the composite fiber formed sheet fed through the feed roller. Device.

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