KR101790976B1 - Binder spray device for preform of complex materials - Google Patents

Binder spray device for preform of complex materials Download PDF

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Publication number
KR101790976B1
KR101790976B1 KR1020150160932A KR20150160932A KR101790976B1 KR 101790976 B1 KR101790976 B1 KR 101790976B1 KR 1020150160932 A KR1020150160932 A KR 1020150160932A KR 20150160932 A KR20150160932 A KR 20150160932A KR 101790976 B1 KR101790976 B1 KR 101790976B1
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South Korea
Prior art keywords
binder
fiber material
conveying
delete delete
conveyor
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KR1020150160932A
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Korean (ko)
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KR20170057609A (en
Inventor
최용민
이문용
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주식회사 성우하이텍
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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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/24—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means incorporating means for heating the liquid or other fluent material, e.g. electrically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
    • B05B13/0405—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads
    • B05B13/041—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0218—Pretreatment, e.g. heating the substrate
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B29C65/522—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive by spraying, e.g. by flame spraying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reinforced Plastic Materials (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

A binder application device for forming a preform of a plastic composite material is disclosed. A binder conveying device installed in the frame for conveying the fiber material along a predetermined conveying path; and iii) a conveying conveyor installed on the conveying conveyor side for conveying the fiber material on the conveying conveyor, A heating plate, and iv) a spray unit installed in the frame above the fiber material conveying path of the conveying conveyor and applying a binder to the fiber material.

Figure R1020150160932

Description

TECHNICAL FIELD [0001] The present invention relates to a binder application device for forming a preform of a composite material,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite material manufacturing system, and more particularly, to a binder applying apparatus for forming a preform of a plastic composite material by laminating a fiber material coated with a binder.

 BACKGROUND ART Recently, as the body of a vehicle has been made lighter and lighter, it has become increasingly sophisticated to use a steel material such as ultra high tensile steel, a nonferrous metal plate such as aluminum or magnesium as well as carbon fiber reinforced plastics (CFRP) Fiber Reinforced Plastic) have been frequently applied.

Since the plastic composite material is excellent in strength, elastic modulus, light weight, and stability, it is widely regarded as one of the main materials in the aviation field and automobile field. In the field of the plastic composite material, As well.

The plastic composite material is produced by impregnating a plastic material into a plastic fiber material and curing the fiber material. For example, the fiber material may be produced by winding a carbon fiber into a winding shape or a fabric shape, and then impregnating the carbon fiber into a plastic resin to cure it.

That is, a plastic composite material can be produced by combining carbon fiber and plastic resin because plastic resin has excellent hardness, but is weak in tensile strength and is easily broken, and carbon fiber has high tensile strength but no bending repulsion.

Plastic composite materials can be manufactured through a preform forming process and a resin transfer molding (RTM) process. In the preform forming step, a binder is applied to a fiber material cut from a fiber fabric, the binder is melted through a heating plate, the fiber material impregnated with the binder is laminated on a press mold, . In the resin transfer molding process, a preform is placed in a molding die, and resin is injected into the molding die to be cured.

However, in the preform forming process in the prior art, in the process of transferring the cut fiber material, applying the binder, melting the binder, laminating the fiber material, and pressing the press material, the binder is applied and melted from the fiber material to the fiber material, The entire cycle time for molding the preform is inevitably increased.

The matters described in the above background section are intended to enhance understanding of the background of the invention and may include matters not previously known to those having ordinary skill in the art to which the present invention belongs.

Embodiments of the present invention are to provide a binder application device capable of continuously automating a process of transferring a fiber material, applying a binder to a fiber material, and melting and placing the fiber material in a press die.

A binder applying apparatus according to an embodiment of the present invention is for forming a preform of a plastic composite material, comprising: i) a frame; and ii) a conveying unit installed in the frame, A heating plate installed on the frame at a lower side of the conveying conveyor and heating the fiber material on the conveying conveyor; iv) a heating plate installed in the frame on the conveying path of the fiber material of the conveying conveyor, And a spray unit for applying a binder to the fiber material.

Further, in the binder applying apparatus according to the embodiment of the present invention, the spray unit can primarily apply the powder type binder to the fiber material by melting.

Further, in the binder applying apparatus according to the embodiment of the present invention, the heating plate can secondarily melt the binder coated with the fiber material by the spray unit.

Further, in the binder applying apparatus according to an embodiment of the present invention, the conveying conveyor transfers the fiber material coated with the binder, and the fiber material can be laminated with a separate press mold.

The binder unit may include a nozzle body having a plurality of injection nozzles for spraying the binder.

Further, in the binder applying apparatus according to an embodiment of the present invention, the nozzle body is provided so as to be vertically reciprocable through the first driving unit, and reciprocates in the direction crossing the fiber material conveying path through the second driving unit. And can be movably provided.

Further, in the binder applying apparatus according to an embodiment of the present invention, a binder supply pipe connected to the injection nozzle may be installed in the nozzle body.

Further, in the binder applying apparatus according to the embodiment of the present invention, the binder supply pipe may be provided with a heating unit for melting powder-type binders.

In addition, in the binder applying apparatus according to an embodiment of the present invention, the heating unit may be provided as a hot wire wound around the binder supply pipe and generating heat as an electrical resistance.

Further, in the binder applying apparatus according to an embodiment of the present invention, the spray unit is installed to be connected to the spray nozzle of the nozzle body through the binder supply pipe, stores a powder type binder, And a binder reservoir for supplying the ink to the nozzles.

Further, in the binder applying apparatus according to an embodiment of the present invention, the binder reservoir may include a binder discharge port connected to the binder supply pipe.

Further, in the binder applying apparatus according to an embodiment of the present invention, the binder discharge port may be provided with a discharge control valve for controlling the discharge amount of the binder.

In addition, in the binder applying apparatus according to an embodiment of the present invention, the binder reservoir may be provided with an air supply pipe connected to discharge the binder as air pressure.

Further, in the binder applying apparatus according to an embodiment of the present invention, the first driving unit may include a first servo motor installed on both sides of the frame along a direction crossing the fiber material conveyance path, A first lead screw installed vertically to the first servo motor and connected to the first servo motor, and a moving block screw-connected to the first lead screw and installed to be slidable in the vertical direction on the frame .

Further, in the binder applying apparatus according to the embodiment of the present invention, the second driving section may include a pair of second servo motors provided in any one of the moving blocks, and a pair of second servo motors provided in the moving block, And a pair of second lead screws connected to the moving block and connected to the second servo motor and screwed to the nozzle body.

Further, in the binder applying apparatus according to an embodiment of the present invention, the conveying conveyor may include a conveyor belt running on an endless track through the conveyor roller.

Further, in the binder applying apparatus according to an embodiment of the present invention, the heating plate may be disposed inside the conveyor belt on the endless track, and may be fixed to the frame.

The binder applying apparatus for forming the preform of the plastic composite material according to the embodiment of the present invention comprises: i) a frame; and ii) a feed path which is horizontally reciprocably movable on the frame, A conveying conveyor for conveying the fibrous material on the conveying conveyor, iii) a heating plate integrally installed on the conveying conveyor for applying heat to the fibrous material on the conveying conveyor, iv) And a spray unit for applying a binder to the fiber material.

In addition, in the binder applying apparatus according to an embodiment of the present invention, the conveying conveyor may include a conveyor body in the form of a shell disposed along the fiber material conveying path.

In addition, in the binder applying apparatus according to an embodiment of the present invention, the conveyor body may be installed to be reciprocally movable along the fiber material conveyance path by the third driving unit.

Further, in the binder applying apparatus according to an embodiment of the present invention, the heating plate may be installed inside the conveyor body.

Further, in the binder applying apparatus according to the embodiment of the present invention, the third driving section may include at least one third servo motor installed in the frame, and a third servo motor installed in the frame along the fiber material conveying path, And a third lead screw connected to the third servomotor and screwed to the conveyor main body.

A binder coating apparatus for forming a preform of a plastic composite material according to an embodiment of the present invention includes: a frame; and a conveying conveyor installed in the frame for conveying the fiber material along a predetermined conveying path, (Iii) a heating plate installed on the conveying conveyor side for applying heat to the fibrous material on the conveying conveyor; and iv) a powder type binder installed on the frame on the conveying path of the fibrous material of the conveying conveyor, And a spray unit for spraying the binder onto the fiber material, the spray unit being reciprocatably movable up and down on the frame and reciprocally movable in a direction crossing the fiber material conveyance path, A nozzle body having a plurality of injection nozzles, and a nozzle body connected to the injection nozzle of the nozzle body A binder storage tank for storing a powder type binder and supplying the binder to the spray nozzle, and a heating unit installed in a binder supply path for connecting the nozzle body and the binder storage tank, wherein the binder unit melts the powder type binder .

In addition, in the binder applying apparatus according to an embodiment of the present invention, the frame may include a base frame for supporting the conveying conveyor, and a support frame installed on the base frame and supporting the spray unit.

Further, the binder applying apparatus according to an embodiment of the present invention is configured to transfer the fiber material, cut to a predetermined shape and size, along the fiber material conveying path through the conveying conveyor, A powder type binder supplied to the nozzle body from the binder storage tank is first melted through the heating unit and applied to the fiber material, and the binder applied to the fiber material is discharged from the heating plate And the fiber material to which the binder is applied can be laminated on the lower mold of the press mold through the transfer conveyor.

Further, the binder applying apparatus according to an embodiment of the present invention can form a preform of a plastic composite material including a fiber reinforced plastic (FRP) or a carbon fiber reinforced plastic (CFRP) have.

The binder of the powder type is first melted and applied to the fiber material in the process of conveying the fiber material through the conveying conveyor, the binder is secondarily melted through the heating plate on the conveying conveyor side, The process of placing the material on the press die can be continuously automated.

Therefore, in the embodiment of the present invention, since a series of processes for preform molding can be continuously automated and integrated into one system, it is possible to reduce the overall cycle time for forming the preforms, And can reduce the initial investment cost.

These drawings are for the purpose of describing an exemplary embodiment of the present invention, and therefore the technical idea of the present invention should not be construed as being limited to the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing an application example of a binder applying apparatus for forming a preform of a plastic composite material according to an embodiment of the present invention; FIG.
2 is a view showing a spray unit applied to a binder applying apparatus according to an embodiment of the present invention.
3 is a schematic view of a first driving unit applied to a spray unit of a binder applying apparatus according to an embodiment of the present invention.
4 is a schematic view illustrating a second driving unit applied to a spray unit of a binder applying apparatus according to an embodiment of the present invention.
5 is a view schematically showing a binder storage tank applied to a spray unit of a binder applying apparatus according to an embodiment of the present invention.
6 is a view schematically showing a modified example of the conveyance conveyor applied to the binder applying apparatus according to the embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art to which the present invention pertains. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

In the following detailed description, the names of components are categorized into the first, second, and so on in order to distinguish them from each other in the same relationship, and are not necessarily limited to the order in the following description.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.

It should be noted that terms such as " ... unit ", "unit of means "," part of item ", "absence of member ", and the like denote a unit of a comprehensive constitution having at least one function or operation it means.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing an application example of a binder applying apparatus for forming a preform of a plastic composite material according to an embodiment of the present invention; FIG.

1, a binder applying apparatus 100 according to an embodiment of the present invention includes a plastic composite material (not shown) for manufacturing a plastic composite material through a preform forming process and a resin transfer molding (RTM) process, Manufacturing system.

Here, the plastic composite material may be used as a part for assembling a vehicle body, such as a body panel, in order to reduce the weight of the vehicle body.

The plastic composite material is not limited to those applied to a panel for a vehicle body, but may be applied to various body structures such as members for a vehicle body and a frame.

Further, it should not be understood that the protection scope of the present invention is limited to the body parts to be assembled to the vehicle body, and the technical idea of the present invention can be applied to plate member parts applied to various types and structures of applications.

The plastic composite material may include carbon fiber reinforced plastic (CFRP), and may include fiber reinforced plastic (FRP).

Such a plastic composite material is excellent in strength and elasticity, excellent in repetition fatigue, low in thermal expansion coefficient, excellent in dimensional stability, and excellent in electric conductivity, corrosion resistance and vibration damping performance.

The binder applying apparatus 100 according to an embodiment of the present invention can be applied to a preform forming process which is a pre-process of a resin transfer molding process in a plastic composite material manufacturing system.

The preform 1 is a preform of a plastic composite material which is obtained by laminating a plurality of fibrous materials 5 coated with plastic resin as a binder 3 and then laminating the laminated fibrous material 5 It can be defined as a product obtained by press molding and curing at a set temperature at room temperature.

Here, the fiber material 5 to which the binder is applied by the binder applying apparatus 100 according to the embodiment of the present invention is placed on the lower mold 8 of the press mold 7, which is a preform mold, The preform 1 can be molded into a preform 1.

The binder applying apparatus 100 according to the embodiment of the present invention applies the binder 3 to the fiber material 5 from the transfer of the fiber material 5 cut to a predetermined shape and size from the fiber material, And a process of mounting the press die 7 on the lower die 8 can be continuously automated.

The binder applying apparatus 100 according to an embodiment of the present invention basically includes a conveying conveyor 20, a heating plate 30, and a spray unit 40. The binder conveying unit 20 will be described below.

The various components are installed in the frame 10, and the frame 10 supports various components, and may be composed of one frame or two or more divided frames.

The frame 10 may include various sub-elements such as a bracket, a bar, a rod, a plate, a housing, a case, a block, a partition, ribs, rails,

However, since the above-described various sub-elements are provided for installing the various components to be described below on the frame 10, the sub-elements described above are collectively referred to as the frame 10 except for the exceptional case of the embodiment of the present invention .

Such a frame 10 includes a base frame 11 for supporting a conveying conveyor 20 to be described later and a support frame 40 for supporting the spray unit 40, 13).

In the embodiment of the present invention, the conveying conveyor 20 is provided on the base frame 11 for conveying the fiber material 5 cut from the fiber fabric to a predetermined shape and size along a predetermined path.

For example, the conveying conveyor 20 may include a conveyor belt 25 traveling on an endless track through a conveyor roller 23. [

The conveying conveyor 20 forms a fiber material conveying path 21 for conveying the fiber material 5 toward the press die 7 along the longitudinal direction of the base frame 11. [ That is, the conveying conveyor 20 conveys the fiber material 5 to the press die 7 side along the fiber material conveying path 21.

Since the conveying conveyor 20 is constructed as a known conveying device well known in the art, a detailed description of its construction will be omitted herein.

In an embodiment of the present invention, the heating plate 30 is for providing heat to the fibrous material 5 transported along the fibrous material transport path 21 through the transport conveyor 20.

The heating plate 30 is installed on the base frame 11 along the fiber material conveying path 21 below the conveying conveyor 20. For example, the heating plate 30 may be disposed inside the conveyor belt 25 running on the endless track of the conveying conveyor 20, and may be fixed to the base frame 11.

The heating plate 30 is a plate type which can receive heat through an electric power supply unit 31 to generate heat as electric resistance and can supply the heat to the fibrous material 5 on the conveying conveyor 20, As shown in FIG.

Such a heating plate 30 provides heat to the fibrous material 5 transported along the fibrous material transport path 21 on the transport conveyor 20 and through the spray unit 40, And melts the binder primarily and melts the binder 3 sprayed (applied) to the fibrous material 5 secondarily.

In an embodiment of the present invention the spray unit 40 is used to primarily melt the binder 3 of the powder type and to apply the molten binder 3 to the fibrous material 5 on the conveying conveyor 20 will be. Herein, the binder 3 is a thermoplastic resin material, which dissolves when heat is applied and has a property of hardening when heat is removed.

2 is a view showing a spray unit applied to a binder applying apparatus according to an embodiment of the present invention.

Referring to FIGS. 1 and 2, the spray unit 40 according to the embodiment of the present invention is installed on the support frame 13 above the fiber material conveying path 21 of the conveying conveyor 20. The spray unit 40 basically includes a nozzle body 41 and a binder reservoir 71.

The nozzle body 41 primarily melts the binder 3 of the powder type and injects the melted binder 3 onto the fiber material 5 on the conveying conveyor 20 And at least one spray nozzle 43 for spraying the ink.

The injection nozzles 43 may be provided in a single number in the nozzle body 41. In the embodiment of the present invention, a plurality of the injection nozzles 43 may be installed in the nozzle body 41. [ This is for uniformly spreading (spraying) the molten binder 3 on the entire fibrous material 5 primarily.

Here, a binder supply pipe 45 connected to the injection nozzle 43 is installed in the nozzle body 41. The binder supply line 45 may include steel or copper lines and connects the binder reservoir 71 and the injection nozzle 43, which will be described further below.

In this case, the binder supply pipe 45 is provided with a heating unit 47 for melting powder-type binders discharged from the binder storage tank 71. For example, the heating unit 47 may be wound around the binder supply pipe 45 and may be provided with a heat line 49 for generating heat as an electrical resistance by receiving power from the power supply unit 31 .

The nozzle body 41 according to the embodiment of the present invention has a structure capable of adjusting the position of the injection nozzle 43 of the nozzle body 41 according to the size and shape of the fiber material 5.

That is, the nozzle body 41 according to the embodiment of the present invention is mounted on the support frame 13 of the frame 10 so as to be reciprocatable in the up and down direction, and is movable in the direction Direction).

FIG. 3 is a view schematically showing a first driving unit applied to a spray unit of a binder applying apparatus according to an embodiment of the present invention, and FIG. 4 is a schematic view of a binder unit applied to a spray unit of a binder applying apparatus according to an embodiment of the present invention. 2 driving unit.

2 to 4, in the embodiment of the present invention, the nozzle body 41 is reciprocally movable in the vertical direction through the first driving part 51, and through the second driving part 61, Can be reciprocally moved in a direction intersecting the fiber material conveying path (21) of the fiber material (20).

The first driving unit 51 includes a first servo motor 53, a first lead screw 55, and a moving block 57 as shown in FIG. The first servo motor 53 is installed on both sides of the support frame 13 connected to the base frame 11 along the direction crossing the fiber material conveying path 21.

The first lead screw 55 is vertically disposed on both sides of the support frame 13 and connected to the first servo motor 53. The first lead screw 55 is rotatable in the forward and reverse directions by the first servo motor 53 Respectively.

The moving block 57 is screw-connected to the first lead screw 55 and is installed on the support frame 13 so as to be slidable in the vertical direction.

Accordingly, when the first servo motor 53 rotates in the forward and reverse directions, the first lead screw 55 also rotates in the forward and reverse directions, and the moving block 57 moves in the vertical direction along the support frame 13 And is reciprocated.

The second driving unit 61 includes a pair of second servo motors 63 and a pair of second lead screws 65 as shown in FIG. The second servomotor 63 is installed in any one of the moving blocks 57 as described above.

The second lead screw 65 is arranged to be long in the direction crossing the fiber material conveying path 21 from above the conveying conveyor 20 and connected to each of the moving blocks 57, And is screwed to the nozzle body 41. The second servomotor 63 is rotatable in the forward and reverse directions.

Therefore, when the second servomotor 63 rotates in the forward and reverse directions, the second lead screw 65 also rotates in the forward and reverse directions, so that the nozzle body 41 crosses the fiber material conveying path 21 (Left-right direction).

Thus, in the embodiment of the present invention, the respective moving blocks 57 are reciprocated in the vertical direction through the first driving part 51 and the nozzle bodies 41 are moved to the fiber material conveying path 21), the position of the injection nozzle 43 of the nozzle body 41 can be adjusted in the up-and-down and left-right directions.

2, in the embodiment of the present invention, the binder reservoir 71 stores a binder of a powder type and supplies the binder to the injection nozzle 43 side of the nozzle body 41 through the binder supply pipe 45 .

The binder reservoir 71 is connected to the injection nozzle 43 of the nozzle body 41 through a binder supply pipe 45.

5 is a view schematically showing a binder storage tank applied to a spray unit of a binder applying apparatus according to an embodiment of the present invention.

2 and 5, in the embodiment of the present invention, the binder reservoir 71 is provided as a hopper for storing a binder of a powder type, and is connected to a binder supply pipe 45, (73).

The binder discharge port 73 is provided with a discharge control valve 75 for controlling the discharge amount of the binder stored in the binder storage tank 71. The discharge control valve 75 operates by receiving a control signal from a controller not shown in the drawing, and can control an amount of flow of the binder in the binder discharge port 73.

Further, in the embodiment of the present invention, the binder reservoir 71 is provided with an air supply pipe 77 for discharging the powder-type binder as pneumatic pressure. The air supply pipe 77 is connected to the air supply unit 79. For example, the air supply unit 79 may include an air compressor.

Accordingly, in the embodiment of the present invention, when the air pressure supplied from the air supply unit 79 is supplied to the binder storage tank 71 through the air supply pipe 77, the powder type binder stored in the binder storage tank 71 is pneumatically Can be discharged through the binder discharge port (73) of the binder storage tank (71).

In the embodiment of the present invention, the binder is supplied to the injection nozzle 43 side of the nozzle body 41 through the binder supply pipe 45 as the above-described pneumatic pressure, And is primarily melted by receiving heat from the hot wire 49 of the heat exchanger 47 and can be injected into the fiber material 5 through the injection nozzle 43 as the pneumatic pressure.

6 is a view schematically showing a modified example of the conveyance conveyor applied to the binder applying apparatus according to the embodiment of the present invention.

6, a conveying conveyor 20 according to an embodiment of the present invention may be provided as a modified example, which is capable of reciprocating in a horizontal direction on the base frame 11 of the frame 10. [

That is, the conveying conveyor 20 is moved along the longitudinal direction of the base frame 11 while supporting the fiber material 5, and the fiber material 5 is conveyed along the fiber material conveying path 21 .

In this variant, the conveying conveyor 20 may comprise a conveyor body 29 in the form of an enclosure arranged along the fiber material conveying path 21. The conveyor body 29 is provided as a metal housing having a rectangular cross-sectional shape having a space therein, and its outer appearance is provided in a plate type.

The conveyor body 29 of the conveying conveyor 20 can be installed to be capable of reciprocating in the longitudinal direction of the base frame 11 along the fiber material conveying path 21 by the third driving part 81. The third driving unit 81 includes a third servo motor 83 and a third lead screw 85.

The third servomotor 83 is installed in the base frame 11. The third lead screw 85 is disposed on both sides of the base frame 11 along the fiber material conveyance path 21 and is connected to the third servo motor 83. The third servo motor 83, And is screwed to the conveyor body 29. The conveyor body 29 is rotatable in the normal and reverse directions.

Both ends of the third lead screw 85 are rotatably coupled to a support block 87 provided on both sides of the base frame 11. The support block 87 is connected to the third lead screw 85, And the conveyor main body 29 are supported.

The conveyor main body 29 is screwed to the third lead screw 85 through a fixing block 89 provided on the lower surface of the conveyor main body 29. The supporting block 87 is supported by the supporting block 87 And can be reciprocated along the fibrous material transport path 21. The fiber-

In this case, the fibrous material 5, which is conveyed through the conveyor body 29 of the conveying conveyor 20 and to which the binder 3 is applied by the spray unit 40, And can be seated in the lower mold 8 of the press mold 7 as mentioned above, in a ripped state through the means.

On the other hand, in this modification, the heating plate 30 may be integrally formed with the conveying conveyor 20 as described above. The heating plate (30) is installed inside the conveyor body (29). That is, the heating plate 30 may move along with the conveyor body 29 to provide heat to the fibrous material 5 on the conveyor body 29.

Hereinafter, the operation of the binder applying apparatus 100 according to the embodiment of the present invention and the forming method of the preform 1 using the binder applying apparatus 100 will be described in detail with reference to the previously described drawings. .

First, in the embodiment of the present invention, the fiber material 5 to be formed into the preform 1 is cut to a predetermined shape and size from the fiber fabric, and the cut fiber material 5 is loaded onto the conveying conveyor 20 do.

At this time, the heating plate 30 on the conveying conveyor 20 side receives power through the power supply unit 31 to generate heat as an electrical resistance, and supplies the heat to the conveying conveyor 20 have.

In this state, in the embodiment of the present invention, the fibrous material 5 is conveyed along the fibrous material conveying path 21 through the conveying conveyor 20. The fibrous material 5 is conveyed along the fiber material conveying path 21 in a heated state by receiving heat through the heating plate 30.

In the process of transferring the fiber material 5 along the fiber material conveying path 21 of the conveying conveyor 20, the powder type binder 3 is injected through the spray unit 40 into the primary And the molten binder 3 is applied to the fibrous material 5 on the conveying conveyor 20. [

In the embodiment of the present invention, the powder type binder stored in the binder storage tank 71 is discharged through the binder discharge port 73 as air pressure provided by the air supply unit 79.

At this time, in the embodiment of the present invention, a control signal is applied to the discharge control valve 75 to control the operation of the discharge control valve 75 to adjust the amount of passage of the binder in the binder discharge port 73, The amount of the binder discharged through the discharge port 73 can be controlled.

In the embodiment of the present invention, the binder is supplied to the injection nozzle 43 side of the nozzle body 41 through the binder supply pipe 45 as the above-described pneumatic pressure.

In this process, in the embodiment of the present invention, the binder is primarily melted through the hot wire 49 of the heating part 47 provided in the binder supply pipe 45, and the molten binder 3 is poured as the above- Is sprayed through the injection nozzle (43) of the body (41) and is applied to the fibrous material (5) conveyed along the fiber material conveying path (21) on the conveying conveyor (20).

In the embodiment of the present invention, the position of the injection nozzle 43 of the nozzle body 41 is adjusted in the vertical and horizontal directions according to the size and shape of the fiber material 5, and the binder 3) can be applied to the fibrous material (5).

The nozzle body 41 is vertically moved through the first driving part 51 and the nozzle body 41 is moved to the fiber material conveying path 21 through the second driving part 61 (Left-right direction), and the position of the injection nozzle 43 can be adjusted vertically and horizontally.

According to the embodiment of the present invention, since the nozzle body 41 is provided with the plurality of injection nozzles 43, the primary molten binder 3 is injected through the injection nozzle 43, 5) It is possible to apply evenly to the whole.

Further, in the embodiment of the present invention, by applying heat generated from the heating plate 30 on the conveying conveyor 20 and applying the primary melted binder 3 to the heated fiber material 5 , The binder 3 applied to the fiber material 5 can be secondarily melted.

On the other hand, when the binder 3 is applied to the fibrous material 5 on the conveying conveyor 20 as described above, in the embodiment of the present invention, the fibrous material 5 coated with the binder 3 is conveyed to the conveying conveyor 20 To the side of the press die 7 and laminated on the lower die 8 of the press die 7.

In the embodiment of the present invention, the fiber material 5 coated with the binder 3 is transferred to the lower mold 8 of the press mold 7 through the conveying conveyor 20 as a plurality of layers Can be stacked.

In the embodiment of the present invention in which the fibrous material 5 coated with the binder 3 is laminated on the lower mold 8 of the press mold 7 as described above, Can be press-molded with the preform 1 at a normal temperature through the upper mold 9 of the press mold 7.

According to the binder applying apparatus 100 according to the embodiment of the present invention as described above, the binder 3 is applied to the fiber material 5 from the transfer of the fiber material 5, melted and transferred to the press die 7 The process of seating can be continuously automated.

That is, in the embodiment of the present invention, in the process of conveying the fiber material 5 through the conveying conveyor 20, the powder type binder is first melted and applied to the fiber material 5, The binder 3 is secondarily melted through the heating plate 30 of the press mold 7 and the process of placing the fiber material 5 on the lower mold 8 of the press mold 7 can be continuously automated.

Therefore, in the embodiment of the present invention, since the above-described series of processes are continuously automated and integrated into one system, it is possible to reduce the overall cycle time for molding the preform 1, And the initial investment cost can be reduced.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, Other embodiments may easily be suggested by adding, changing, deleting, adding, or the like of elements, but this also falls within the scope of the present invention.

1 ... preform 3 ... binder
5 ... Textile material 7 ... Press mold
8 ... lower mold 9 ... upper mold
10 ... frame 11 ... base frame
13 ... support frame 20 ... conveying conveyor
21 ... fiber material conveyance path 23 ... conveyor roller
25 ... Conveyor belt 29 ... Conveyor body
30 ... Heating plate 31 ... Power supply
40 ... spray unit 41 ... nozzle body
43 ... injection nozzle 45 ... binder supply piping
47 ... heating part 49 ... heat line
51 ... first drive part 53 ... first servo motor
55 ... first lead screw 57 ... movable block
61 ... second drive part 63 ... second servo motor
65 ... second lead screw 71 ... binder storage tank
73 ... Binder discharge port 75 ... Discharge control valve
77 ... air supply pipe 79 ... air supply unit
81 ... third drive unit 83 ... third servo motor
85 ... third lead screw 87 ... support block
89 ... fixed block

Claims (20)

delete delete delete delete delete delete delete delete delete delete delete delete delete delete A binder application device for forming a preform of a plastic composite material,
frame;
A conveying conveyor installed in the frame so as to be horizontally reciprocable and conveying the fiber material along a predetermined conveying path;
A heating plate integrally installed on the conveying conveyor for applying heat to the fibrous material on the conveying conveyor; And
A spray unit installed on the frame above the fiber material conveying path of the conveying conveyor and applying a binder to the fiber material; / RTI >
Wherein the conveying conveyor comprises a conveyor body in the form of a rectangular cross-section metal housing disposed along the fiber material conveyance path and having a space therein,
Wherein the conveyor body is reciprocally movable along the fiber material conveying path by a third driving unit, the heating plate is disposed in an inner space of the conveyor body,
The spray unit includes a nozzle body having a plurality of injection nozzles reciprocally movable in a direction perpendicular to the frame and reciprocating in a direction crossing the fiber material conveyance path, A binder storage tank installed to be connected to the spray nozzle of the nozzle body and storing a binder of a powder type and supplying the binder to the spray nozzle, and a binder supply path provided in a binder supply path connecting the nozzle body and the binder storage tank, And a heating portion for melting the binder of the binder. delete delete 16. The method of claim 15,
The third driver may include:
At least one third servo motor installed in the frame,
A third lead screw that is installed on the frame along the fiber material conveyance path and is connected to the third servo motor and screwed to the conveyor body,
Wherein the binder applying device comprises: delete delete
KR1020150160932A 2015-11-17 2015-11-17 Binder spray device for preform of complex materials KR101790976B1 (en)

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CN108787277B (en) * 2018-07-10 2020-07-28 靖江市红星铜业制造有限公司 All-round hardware board paint spraying apparatus
CN109127218B (en) * 2018-07-24 2021-02-02 南通大学 Surface cleaning and spraying integrated device and method for composite insulator
CN111451040B (en) * 2020-04-10 2021-11-12 合肥哈罗沃信息科技有限责任公司 Floor paint spraying device capable of guaranteeing quantification and uniform paint spraying based on intermittent motion
CN114228035B (en) * 2021-12-06 2024-03-22 上海紫江企业集团股份有限公司 Bottle blank production system

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KR200234852Y1 (en) * 2001-03-08 2001-10-08 김규환 apparatus for making a instant noodle
JP2005194456A (en) * 2004-01-09 2005-07-21 Toray Ind Inc Preform forming binder composition, reinforcing fiber base material, method for producing preform and fiber reinforced composite material
KR101158553B1 (en) * 2008-12-30 2012-06-20 (주)엔티시 electric spinning apparatus
KR101411398B1 (en) * 2012-11-02 2014-06-25 주식회사 부림케미칼 Noise absorption and insulation materials and Producing Method
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JP2005194456A (en) * 2004-01-09 2005-07-21 Toray Ind Inc Preform forming binder composition, reinforcing fiber base material, method for producing preform and fiber reinforced composite material
KR101158553B1 (en) * 2008-12-30 2012-06-20 (주)엔티시 electric spinning apparatus
KR101411398B1 (en) * 2012-11-02 2014-06-25 주식회사 부림케미칼 Noise absorption and insulation materials and Producing Method
KR101494127B1 (en) * 2014-01-16 2015-02-16 세원셀론텍(주) Nozzle to shell circle-automatic-welding apparatus having attachment and detachment function of location adjuster

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