KR20190052495A - Apparatus for moving the prefreg - Google Patents

Abstract

The present invention relates to an apparatus for transferring a prepreg by a process of manufacturing a sheet laminate by stacking prepregs on which fiber materials are arranged to cross each other at different angles, in multiple layers. The apparatus for transferring a prepreg comprises: a first transfer unit wound between a driving pulley and a driven pully, having a transfer belt on which the prepregs are placed, and having a first driving source providing power to circulate and rotate the transfer belt so as to transfer the prepregs in a first direction; a second transfer unit screw-coupled to a transfer shaft arranged in parallel with the transfer belt, having a transfer block on which the prepregs are placed, and having a second driving source rotating the transfer shaft so as to transfer the prepregs in a second direction parallel with the first direction; and a third transfer unit having a horizontal stand arranged directly above the first and second transfer units to cross the transfer belt and the transfer shaft, having a reciprocating stand assembled to slide in a longitudinal direction along a body of a rodless cylinder fixed to and installed in the horizontal stand, and having an absorbent for generating a vacuum absorption force on a front end of a load of a cylinder member mounted on one end of the reciprocating stand so as to transfer the prepregs placed on the transfer belt and transferred, toward the transfer block in a third direction crossing the first and second directions.

Description

[0001] Apparatus for moving the prefreg [0002]

More particularly, the present invention relates to an apparatus for transferring a prepreg, and more particularly, to a method for manufacturing a composite material in which a plurality of prepregs are stacked in a multi- To a prepreg conveying apparatus capable of automating a conveying operation in a lamination process.

In general, a prefreg is an intermediate substrate for a fiber-reinforced composite material, which is a molding material preliminarily impregnated with a matrix resin in the reinforcing fiber.

These prepregs are laminated in multiple layers and heated and pressed to cure the resin, thereby producing a molded article which can be used for various purposes. In accordance with the arrangement of reinforcing fibers such as glass fibers and carbon fibers arranged in the resin, The prepreg and the cross prepreg can be distinguished.

On the other hand, among the prepregs of polymeric fiber reinforced composite materials, the structural continuous fiber composite material which seeks high performance has been limited to the aerospace industry due to the high processing cost due to the difficulty in automation, Oriented discontinuous fiber composites represented by reinforced engineering plastics are mainly injection molded products, securing the market for electronic and electric parts.

However, in large markets such as automobiles, construction, and general durability machine parts, a product family with intermediate performance between these two materials is required. To do this, 10 to 100 times longer reinforcing fibers than discontinuous fiber- And a manufacturing technique of a multi-axial prepreg laminated sheet which is one-way prepreg-deficient intermediate in the continuous reinforcing fiber composite material and which has a higher workability is required.

(Patent Document 1) KR10-1351639 B1

Patent Document 1 discloses an image forming apparatus including a conveyor on which a sheet is placed, conveying means for connecting variable rollers of driving means and driving means connected to the frame and including variable rollers for supporting the conveyor and for moving the variable rollers along the frame Wherein the sheet is conveyed by the conveyor to the stacking position and the conveying means moves the variable rollers to vary the conveyor while the variable rollers in the stacking position rolls the conveyor in a direction opposite to the sheet conveying direction, In which the sheet conveying device is placed as it is.

However, such a conventional conveying apparatus feeds sheets in order to load sheets applied to glass panels for displays such as LCDs, PDPs, LEDs, and the like, so that the prepregs having a thin thickness, such as paper, It is difficult to accurately and quickly transport the material from the cutting step to the lamination step by driving.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to automate a process of transferring a prepreg cut according to a predetermined length and angle to a post- And to provide a prepreg conveying device capable of fully automating an entire process of producing a composite material by laminating cross-aligned prepregs in multiple layers.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not restrictive of the invention, unless further departing from the spirit and scope of the invention as defined by the appended claims. It will be possible.

As a specific means for achieving the above object, a preferred embodiment of the present invention is a device for transferring a prepreg in a process for producing a sheet laminate by laminating prepregs in which the fibrous materials are cross- And a first drive source wound around the drive pulley and the driven pulley and provided with a conveyance belt on which the prepreg is lifted and provided with power for circulating and rotating the conveyance belt to convey the prepreg in a first direction, ; And a second driving source screwed to a conveyance shaft disposed in parallel to the conveyance belt and having a conveyance block on which the prepreg is raised and rotatably driving the conveyance axis, To a second conveying unit And a horizontal bar disposed directly above the first and second conveyance sections so as to intersect with the conveyance belt and the conveyance shaft, and is assembled so as to be slidable in the longitudinal direction along the body of the rodless cylinder fixedly installed on the horizontal bar And a suction member for generating a vacuum suction force on a rod end of a cylinder member mounted on one end of the reciprocating unit so that a prepreg conveyed on the conveying belt is conveyed onto the conveying block in the first and second directions And a third conveying portion for conveying the prepreg in the third direction which intersects with the first conveying direction.

Preferably, the first transfer portion includes a pair of right and left support frames, both ends of the drive pulley are rotatably assembled, and both ends of the driven pulley are rotatably assembled, and one end of the drive pulley And can be connected to the driving shaft of the first driving source.

Preferably, the second conveying portion includes a pair of left and right supports to which an upper end is connected to a lower surface of the conveying block, and a lower end of the support can be connected to a pair of left and right sliders which are slidably assembled to a pair of right and left rails have.

Preferably, the third conveying portion includes a reciprocating portion that is reciprocally conveyed along a guide groove formed on the outer surface of the body of the rodless cylinder, and the connecting rod coupled with the reciprocating portion is disposed outside The cylinder member can be fixed to an extended end extended from the cylinder.

Preferably, the adsorbent is fixed to an actuating plate mounted on a rod end of the cylinder member and operated up and down, and the actuating plate is connected to a vacuum suction line to contact at least one adsorption block . ≪ / RTI >

The present invention as described above has the following effects.

The prepregs cut in a predetermined length are transferred in a third direction orthogonal to the first direction by adsorbing the temporarily stopped prepregs by the vacuum adsorption force of the adsorbent in the course of feeding the prepregs in the first direction by the conveyance belt rotated by rotation Then, by resting on the upper surface of the transport block moved in reciprocating motion in the second direction parallel to the first direction, the prepregs cut in the cutting process can be transported smoothly and quickly in the post-process lamination process, It is possible to completely manufacture the composite material by laminating the legs in multiple layers to reduce the manufacturing cost and to manufacture the composite material having excellent quality.

1 is a front view showing a prepreg conveying apparatus according to a preferred embodiment of the present invention.
2 is a side view seen from AA of FIG.
Fig. 3 is a side view seen from BB of Fig.
4 is a plan view showing a prepreg transporting apparatus according to a preferred embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, a detailed description of known functions and configurations incorporated herein will be omitted when it may obscure the subject matter of the present invention.

The same reference numerals are used for portions having similar functions and functions throughout the drawings.

In addition, in the entire specification, when a part is referred to as being 'connected' to another part, it may be referred to as 'indirectly connected' not only with 'directly connected' . Also, to include an element does not exclude other elements unless specifically stated otherwise, but may also include other elements.

As shown in FIGS. 1 to 4, the prepreg conveying apparatus 100 according to the preferred embodiment of the present invention includes a cutting process for cutting a prepreg into a predetermined length and a prepreg process in which the fibrous materials are cross- The second conveying unit 120 and the third conveying unit 130 so that the prepreg can be conveyed by being disposed between the lamination processes for producing the sheet laminate.

1, 2 and 4, the first conveyance unit 110 includes a conveyance belt 111 on which a prepreg cut to a predetermined length is conveyed. The conveyance belt 111 is mounted on a roller The driving pulley 112 is wound between a driving pulley 112 and a driven pulley 113. The driving pulley 112 includes a first driving source such as a motor member for providing a rotational driving force for rotating the conveyance belt 111 in one direction 114).

Both ends of the driving pulley 112 and the driven pulley 113 are rotatably assembled to a pair of left and right support frames 115. One end of the driving pulley 112 is coupled to a coupling 114a, The first driving source 114 may be connected to the driving shaft of the first driving source 114. [

 At this time, it is preferable that recesses are formed on the outer surface of the drive pulley and the driven pulley so as to prevent skewing of the conveyor belt during the circulating rotation.

The first driving source 114 is horizontally fixed to one side of a frame of the pair of supporting frames 115 via a bracket 116 and transmits a rotational driving force to the driving pulley when power is applied And a motor member.

As a result, the pre-load, which is the object to be transported on the transport belt, is transported in the first direction by the transport belt that is circulated and rotated by the rotational driving force of the first drive source.

1, 3 and 4, the second conveying unit 120 includes a conveying block 122 screwed with a conveying shaft 121 disposed in parallel with the conveying belt 111 And a second driving source 123 connected to one end of a feed shaft 121 threadedly engaged with a female screw provided on the body of the feed block to provide a rotational driving force for rotationally driving the feed shaft in a forward or reverse direction, And the third conveyance unit conveys the prepreg raised from the conveyance belt to the upper surface of the conveyance block in a second direction parallel to the first direction.

Both ends of the conveying shaft 121 may be composed of a screw member having a predetermined length, which is rotatably assembled to the shaft support 121a arranged in a pair via a bearing member.

The transfer block 122 includes a lower block body having a female screw portion 122a screwed with a male screw portion formed on the outer surface of the transfer shaft 121 and a plurality of fastening members And may include a plate-shaped upper block body on which the prepreg is coupled.

The second transfer unit 120 includes a pair of left and right supports 124 connected to the lower surface of the upper block constituting the transfer block 122, The pair of right and left sliders 16 are slidably mounted on a pair of left and right rails 125 provided on an upper surface of a body frame to be described later.

The second driving source 123 may be a motor member connected to one end of the conveyance shaft via a coupling 123a to transmit a rotational driving force to rotate the conveyance shaft 121 forward or backward.

Accordingly, when the conveying shaft is rotationally driven in the forward or reverse direction by the rotational driving force of the second driving source, the conveying block 122, on which the prepreg is raised on the upper surface, The conveying belt 122 is conveyed in the second direction parallel to the first direction in which the prepreg is conveyed by the screw connection between the female thread 122a of the conveying block 122 and the coupling between the rail 125 and the slider 126 You can do it.

The second transfer unit 120 may be provided with a plurality of sliders 126 and 125 so as to prevent foreign matter from being mixed into the coupling part between the transfer shaft 121 and the transfer block 122, And a lid member (129) which is opened to the lower side and fixed to the main body frame (140) with a plurality of fastening members fixed to the upper surface of the main body frame (140), the transfer block (122) And the incisions are each formed in the longitudinal direction so as to be movable.

1 to 4, the third conveying unit 130 may include a conveying belt 111 of the first conveying unit 110 and a conveying shaft 121 of the second conveying unit 120, And a horizontal rod 139 disposed transversely to the first and second directions directly above the first and second transfer units 110 and 120. The rodless cylinder 131 is fixedly installed on the horizontal rod 139, And a reciprocating table 132 which is slidably assembled along the body of the lease cylinder 131 in the longitudinal direction.

The reciprocating belt 132 is connected to a vacuum suction line (not shown), and an adsorbent 135 for generating a vacuum adsorption force for adsorbing and fixing a prepreg as a transport object is provided at a rod end, And a cylinder member 134 for reciprocating the adsorbent right above the adsorbent.

The reciprocating unit 132 is coupled to an actuating member reciprocating within the body during operation of the rodless cylinder so as to reciprocate along guide grooves formed on the outer surface of the rodless cylinder 131.

The connecting rod 133 coupled to the reciprocating rod 132 and reciprocating therefrom is disposed at a substantially right angle to vertically fix the cylinder member 134 at an extended end extending in parallel to the first and second directions It is a folded frame structure.

The adsorbent 135 is fixed to an actuating plate 136 which is mounted on the rod end of the cylinder member 134 and which is vertically moved up and down. The actuating plate 136 is connected to a vacuum suction line And at least one adsorption block 135a that generates a vacuum adsorption force in contact with the prepreg, which is a conveying object.

Accordingly, the prepreg conveyed in the first direction by being raised on the conveyance belt 111 is conveyed by the cylinder member 134 conveyed to be positioned just above the conveyance belt to be temporarily stopped, Is picked up individually using a vacuum attraction force and then is transported in a third direction intersecting with the first and second directions by the reciprocating operation of the rodless cylinder 131 and is placed directly above the transport block 122 temporarily stopped To carry.

The first, second and third transfer units 110, 120 and 130 are installed on the upper surface of the main body frame 140 having a plurality of moving wheels 144 at the lower end thereof. ).

The support frame 115 vertically supports both ends of the driving and driven pulleys 112 and 113 so as to be vertically rotatable on an upper surface of the main body frame 140. Both ends of the conveying shaft 121 can be rotated A pair of right and left shaft supports 121a are vertically disposed and fixed to the pair of rails 125 arranged in parallel with the feed shaft 121 so that the slider 126 is slidably assembled.

Both ends of the horizontal base 139 to which the rodless cylinder 131 is fixed are coupled to the support frame 115 and another support frame installed perpendicularly to the main frame so as to cross the conveyance shaft and the conveyance belt. .

In this case, the prepreg cut to a predetermined length and placed on the upper surface of the conveyance belt is conveyed in the first direction by the conveyance belt 111, which is rotated in one direction by the first driving source 114. [

When the prepreg to be picked up is positioned directly below the adsorbent 135 of the third conveyance unit, the circulation rotation of the conveyance belt is temporarily stopped. In this state, the adsorption body is lowered by the lowering operation of the cylinder member, , The prepreg is adsorbed and fixed to the end of the adsorbent by the vacuum adsorption force.

The adsorbent having the prepreg adsorbed to the end portion thereof is lifted by the conveyance belt by the upward and downward movement of the cylinder member, and then, by the operation of the rodless cylinder, the prepreg is moved in the direction perpendicular to the first direction And is positioned on the transport block adjacent to the transport belt.

In this state, if the prepreg sucked and fixed by the lowering operation of the cylinder member is located close to the conveying block and at the same time the vacuum suction force transmitted to the adsorbent is released, the prepreg conveyed from the conveyance belt is conveyed And is raised on the upper surface of the block.

When the conveyance shaft is rotated in the forward direction by the second driving source, the conveyance block 122, which is screwed to the conveyance shaft and connected via the rail and the slider, moves in a second direction parallel to the first direction So that the prepreg can be transported and transported so that a step of laminating the prepregs cut in the later lamination step to form a multilayer body can be carried out.

Finally, the prepreg is transferred by a different pick-up device (not shown) in a post-process lamination process, and then the transfer block, from which the prepreg is emptied, is returned to the side of the third transfer section by the rotational driving force of the second drive source, The process is prepared.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be apparent to those of ordinary skill in the art.

110:
111: conveying belt
112: Driving pulley
113: driven pulley
114: first driving source
120: Second transfer part
121: Feed shaft
122; Transfer block
123: second driving source
124: Support
125: rail
126: Slider
130: Third transfer part
131: Rodless cylinder
132:
133: Links
134: cylinder member
135: Adsorbent
136: operating plate
140: Body frame

Claims (5)

An apparatus for transferring a prepreg in a process for producing a sheet laminate by laminating prepregs in which the fibrous materials are crossed at mutually different angles,
And a first drive source wound around the drive pulley and the driven pulley and provided with a conveyance belt on which the prepreg is lifted and provided with power for circulating and rotating the conveyance belt to convey the prepreg in a first direction, ;
And a second driving source screwed to a conveyance shaft disposed in parallel to the conveyance belt and having a conveyance block on which the prepreg is raised and rotatably driving the conveyance axis, To a second conveying unit And
And a horizontal rod disposed directly above the first and second conveyance units so as to intersect with the conveyance belt and the conveyance shaft. The reciprocating member is reciprocally assembled in a longitudinal direction along a body of the rodless cylinder fixedly installed on the horizontal stand, And a suction member for generating a vacuum suction force at a rod end of a cylinder member mounted on one end of the reciprocating unit so that a prepreg conveyed on the conveying belt is conveyed on the conveying block in a direction intersecting the first and second directions And a third conveying unit for conveying the prepreg in the third direction. The method according to claim 1,
Wherein the first conveying portion includes a pair of right and left support frames to which both ends of the drive pulley are rotatably assembled and both ends of the driven pulley are rotatably assembled, Wherein the drive shaft of the first drive source is connected to the drive shaft of the first drive source. The method according to claim 1,
The second conveying portion includes a pair of left and right supports to which an upper end is connected to a lower surface of the conveying block and a lower end of the support is connected to a pair of right and left sliders assembled to be slidable on a pair of right and left rails The pre-ply conveying device. The method according to claim 1,
The third conveying portion includes a reciprocating unit reciprocally moved along a guide groove formed on the outer surface of the rodless cylinder, and the connecting rod coupled to the reciprocating unit is extended outward to be parallel to the first and second directions And said cylinder member is fixedly installed at an extended end thereof. 5. The method of claim 4,
The adsorbent is fixed to an actuating plate mounted on a rod end of the cylinder member and operated up and down, and the actuating plate includes at least one adsorption block connected to a vacuum suction line to generate a vacuum adsorption force in contact with the prepreg And the prepreg conveying device.

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