JPH0615176B2 - Method for manufacturing laminated body made of thermosetting synthetic resin - Google Patents

Description

Detailed Description of the Invention A. OBJECT OF THE INVENTION (1) Industrial field of use The present invention relates to a method for producing a thermosetting synthetic resin laminate molded body comprising first and second molded bodies which are polymerized and bonded to each other.

(2) Conventional Technology Conventionally, in this type of laminated molded body, the first and second molded bodies are separately compression-molded using a molding material, the molded bodies are released, and then they are polymerized via an adhesive. Are joined together, or they are polymerized and joined by bolts and nuts.

(3) Problems to be Solved by the Invention However, when the above method is adopted, there is a problem in that mass production is lacking because the number of manufacturing steps of the laminated molded body is large.

It is an object of the present invention to provide the above manufacturing method which can solve the above problems.

B. Configuration of the Invention (1) Means for Solving the Problems The present invention provides a thermosetting synthetic resin laminate molded article comprising first and second molded articles which are polymerized and bonded to each other. A compression mold comprising a first mold, a second mold opposed to the first mold, and an intermediate mold existing between the two molds is heated, and the first mold and the middle mold are operated by one closing operation of the compression mold. Compression molding of the first and second molded bodies simultaneously between the molds and between the second mold and the intermediate mold, and subsequently curing both of the molded bodies; and the first and second molded bodies being the first and second molded bodies. A step of opening the compression-molding die in a state of being adhered to a second die, and separating the intermediate die from between the first and second dies to make the first and second compacts face each other; The first and second molds under heating are closed to perform the first and second molds. Characterized by using the; two moldings by polymerizing with each other via the adhesive and bonding.

(2) Action According to the manufacturing method, compression molding of the first and second molded bodies,
Curing of both molded bodies and polymerization bonding of both molded bodies under heating are performed continuously, reducing the man-hours required for manufacturing the laminated molded body and shortening the drying time of the adhesive, and mass production of the laminated molded body. It is possible to improve the sex. Further, since both the molded bodies are polymer-bonded in a state where they are attached to the first and second molds respectively, it is possible to obtain a high-quality laminated molded body without misalignment without performing an alignment work of the both molded bodies. it can.

(3) Example FIG. 1 shows a fiber-reinforced thermosetting synthetic resin laminate molded body L, and the laminate molded body L is first and second polymerized and bonded to each other via an adhesive. It is composed of molded bodies m ₁ and m ₂ . The second molded body m ₂ has small convex portions a _{1 to} a ₃ on the intermediate portion and both side portions thereof, and the top surfaces of the small convex portions a _{1 to} a ₃ function as the adhesive application surface. Glass fiber is used as the reinforcing fiber, and unsaturated polyester resin is used as the thermosetting synthetic resin that is the matrix.

The manufacturing apparatus for the laminated compact L is mainly shown in FIGS. 2 and 2A,
It is constructed as shown in FIGS. 2B and 3.

That is, the lower mold 1 ₂ as the second type is disposed below the upper die 1 ₁ as the first type, horizontal movement so that the intermediate type 1 ₃ can be inserted into and removed from between the two mold 1 _1, 1 ₂ Arranged freely. The upper and lower molds 1 ₁ and 1 ₂ and the intermediate mold 1 ₃
Is configured. Upper die 1 ₁ is movable up and down is connected through the support plate 4 to the piston rod 3 ₁ of the first working cylinder 2 ₁ of pneumatic or hydraulic, while the lower mold 1 ₂ supporting plate 5
It is fixed to the base ₆₁ the upper surface via the.

In the open type time was raised upper mold 1 _1, the upper die 1 ₁ and the intermediate-type holding frame 7 between lower mold 1 ₂ is arranged, of the lower mold 1 ₂ the outer edge portion of the holding frame 7 A plurality of guide pins 8 erected on the support plate 5 penetrate slidably. A cushion spring 9 loosely fitted to each guide pin 8 between the holding frame 7 and the support plate 5.
There are compressed state, the open type when the holding frame 7 by the elastic force of the cushion spring 8 is positioned above the lower mold 1 ₂ enlarged head 8a abuts the guide pins 8.

As shown in FIG. 3, the holding frame 7 has a substantially U-shape in a plan view with one side opened, and is formed inward on the inner side surfaces of both facing portions 7a, 7a and the connecting portions 7b of the facing portions 7a, 7a. A holding groove 10 is formed which is open toward.

In the open one side of the holding frame 7, and opposite the holding frame 7, the intermediate-type guide frame 11 is fixed via a support member 12 on the base 6 ₂ and therewith so as to lie in the same horizontal plane It The guide frame 11 is provided on both sides of the holding frame 7.
a pair of facing portions 11a and 11a parallel to a and 7a, and a connecting portion 11b that connects the facing portions 11a and 11a, and is formed in a substantially U-shape in plan view with one side portion on the holding frame 7 side open. . A guide groove 13 that opens inward is formed on the inner side surfaces of the facing portions 11a, 11a and the connecting portion 11b. Axis both opposing portion 11a to the connecting portion 11b outer surface of the guide frame 11, 11a second working cylinder 2 ₂ of pneumatic or hydraulic toward the longitudinal direction is fixed, the piston rod 3 ₂ guide frames 11 Both opposing portions 11a, 11a and both opposing portions 7a, 7a of the holding frame 7 are penetrated through the connecting portion 11b.
It can be expanded and contracted in the space between.

Both opposing portion 11a of the guide frame 11, the 11a of the guide groove 13 on both sides of the intermediate type _{1 3} is engaged slidingly, intermediate type 1
₃ and half ₁₄ 1 of the piston rod _{3 2} can be a cut-off state to the connecting mechanism 14, 14 ₂ are respectively provided. Thus there halves ₁₄ 1, 14 ₂ of the coupling mechanism 14 is in the connected state and in a state in which the intermediate type _{1 3} is positioned in the guide frame 11 and to extend the piston rod ₃ of the _second working cylinder _{2 2} intermediate type 1 ₃ contacts the sliding engagement with coupling portion 7b in the holding groove 10 of the holding frame 7 from the guide frame 11, which intermediate mold 1 ₃ is positioned with respect to the upper die 1 ₁ and a lower mold 1 ₂ by. The intermediate mold _{1 3} By contracting the piston rod _{3 2} by blocking the half ₁₄ 1, 14 ₂ of the coupling mechanism 14 is left on the holding frame 7. When leaving the intermediate type 1 ₃ from the holding frame 7, the piston rod 3 ₂ is again elongated connecting halves 14 _1, 14 ₂ of the coupling mechanism 14, if subsequently the piston rod 3 ₂ contracted intermediate type 1 ₃ engages slidingly in the guide frame 11 from the holding frame 7, the stop position of the intermediate type 1 ₃ is restricted by the connecting member 14 comes into contact with the connecting portion 11b of the guide frame 11.

Large recesses on the lower surface of the upper die _{1 1} facing the intermediate type _{1 3} 15
There is formed, also the convex portion 16 which is loosely fitted in the recess 15 on the upper surface of the upper mold 1 ₁ opposite to the intermediate type 1 ₃ is formed. Upper mold 1
₁ and the intermediate type _{1 3} closed at their recesses 15 and protrusions 16
Thus, the first cavity c ₁ (FIG. 4) for compression-molding the first molded body m ₁ is defined.

Protrusions 17 on the upper surface of the lower mold 1 ₂ facing the intermediate form _1-3 is provided. Three small convex portions 17a are provided on the upper surface of the protruding portion 17.
When the three small recesses 18b phases Tonariru dimples 17b located between the small protrusions 17a are formed, also loosely fitting each small projection 17a to the lower surface of the intermediate type 1 ₃ facing the lower mold 1 ₂ A small convex portion 18a that is loosely fitted in each small concave portion 17b is formed. Lower mold 1 ₂
And intermediate type _{1 3} closed at their small protrusions 17a and the small recess 18
The b and the small recesses 17b and the small convex portion 18a for compressing molding a second molded body _{m 2} second cavity _{c 2} (4
Figure) is defined.

Further the lower surface of the intermediate type 1 _3, the second molded body m ₂ in cooperation with the lower mold 1 _second protrusion 17 outer surface on the outside of both sides of the small recesses 18b, forming the edge to be subjected to trimming The protruding portion 18c is provided.

The upper die _{1 1,} the lower die _{1 2} and the intermediate type _{1 3,} a heater ₁₉ 1-19 ₃ for heating them is buried.

The 3 that may protrude from the top surface of the small projection 17a to the lower die 1 ₂
Knockout pins 20 of the book are slid together, and each knockout pin 20 is pneumatically or hydraulically driven through a support plate 21.
It is connected to the piston rod 3 ₃ of the working cylinder 2 ₃ .

The lower surface that exists on either side of the recess 15 in the upper die 1 _1, first
Cam slide 35 which includes a biting protrusion 35a serving as a state bite the edge to be subjected to molding at the trimming of the molded body m ₁ is provided. Since the support structure and the moving mechanism of the cam slides 35 are the same, the 2A, 2B,
The right cam slide 35 in FIG. 2 will be described with reference to FIGS. 4A and 6A.

As clearly shown in FIGS. 2A and 2B, the cam slide 35
A pair of guide protrusions 36 (only one of which is shown in the drawing) having a T-shaped cross section is formed on the upper surface of each of the guide protrusions 3.
6 is engaged slidably in a transverse plane T-shaped guide groove 37 which is open to the lower surface of the upper die 1 _1, thereby the cam slide 35 upper mold 1
_It can move forward and backward with respect to the opening of the concave portion 15.

On the outside of each guide protrusion 36, the cam slide 35
, The hook recess 38 which opens downward and the side of the upper mold 1 ₁ is formed, notched groove 39 cut from the outer surface side of the upper mold 1 ₁ on the top wall of the recess 38 is formed To be done. The notched groove 39 hanging bolt 40 is inserted, the hanging bolt 40 is screwed into the upper die 1 _1. A holding plate 41 through which the hanging bolt 40 penetrates is applied to the top wall of the recess 38, and the hanging bolt 40 is loosely fitted between the holding plate 41 and a washer 42 applied to the hanging bolt head 40a. The spring 43 is contracted. In this case, the set load of the spring 43 is set so as not to prevent the cam slide 35 from moving forward and backward.

Between the two guide protrusions 36, 2A, 4A, 6A
As clearly shown in the figure, the cam slide 35 is provided with a window 44 whose upper and lower parts are opened. The first inclined surface 45 ₁ close to the biting protrusion 35a at the window 44 is inclined toward the bottom from the top so as to approach the corner of the convex portion 35a downwardly its lower edge biting and biting protrusion I am inclined towards the bottom from a distant second inclined surface 45 ₂ top as mow Tosa from corners of the lower projecting portion 35a its lower edge biting from 35a.

The second convex portion 16 of the intermediate type _{1 3} As best shown in Figure 4A
On both sides, a first cam driver 47 ₁ provided with a slope 46 for slidingly advancing the first slope 45 ₁ of the cam slide 35 to advance the cam slide 35 is provided in a protruding manner, and as shown clearly in FIG. 6A. type _{1 2} of the second inclined surface 45 ₂ sliding engagement with the cam slide 35 of the protrusion 17 the cam slide 35 on both sides
Second cam driver 47 with slope 48 for retracting
₂ is projected.

As clearly shown in FIG. 2B, a through hole 49 is formed between the biting convex portion 35 a and the notch groove 39 on the top wall of the hook-shaped concave portion 38 of the cam slide 35, and the steel is formed above the through hole 49. The balls 50 are slid together, and a set screw 51 is screwed to the lower part. Between steel ball 50 and the set screw 51, spring 52 that emits bullet toward the steel ball 50 in the upper mold 1 ₁ is mounted under compression. First two on the lower surface of the upper die 1 _1, the second engagement recess 5
3 _1, 53 ₂ are formed along the moving direction of the cam slide 35.

When the steel ball 50 is engaged with the upper mold 1 _first recess 15 first engaging recess 53 ₁ one close to, the cam slide 35 as shown in FIG. 4A in the upper die 1 ₁ the biting protrusion 35a tip It is held at the forward position where it is projected into the opening from the edge of the recess 15. Further, when the steel ball 50 is engaged with the ₂ second engaging recess 53 of the other, the cam slide 35 as shown in Figure 6A is holding its biting protrusion 35a tip in a retracted position which has retracted from the edge of the recess 15 To be done.

The cam slide 35, the first cam driver 47 _1, the steel ball 50, the spring 52 and the first engagement recess 53 _1, constituting the first attachment mechanism _{A 1} for attaching the first molded body _{m 1} to the upper mold _{1 1} To do.

An airtight chamber 22 to the intermediate-type 1 _3, the large number of vent holes 26 that respectively open to the inner surface of the outer surface and the small recesses 18b of the extending therefrom convex portion 16 from the airtight chamber 22 is formed, a hermetic chamber 22 the switching valve 27 It is connected to the vacuum pump 24 and the blower 28 via the.

The airtight chamber 22, all the ventilation holes 26, and the vacuum pump 24 apply vacuum suction to the first and second cavities c ₁ and c ₂ during compression molding of the first and second molded bodies m ₁ and m _2. The vacuum suction mechanism V of FIG.

The airtight chamber 22, the vent hole 26 and the blower 28 of the small recess 18b and the second depositing a second molded body _{m 2} in the lower die _{1 2}
It constitutes the adhesion mechanism A ₂ .

Conveyor 29 for transporting the molded laminate L on one side of the lower mold 1 ₂
Is provided. Base 6 near the conveyor 29
The posts 30 erected on the _2, moving the rod 3 of the transfer unit 31 for transferring the molded laminate L on the conveyor 29 from the lower die 1 ₂
2 is engaged in sliding the lower die at the tip portion of the moving rod 32 1 ₂
A plurality of vacuum suction cups 33 are provided so as to face each other.

_On the other side of the lower mold 12, the following adhesive application mechanism C
o is provided.

That is, the support base 60 is fixed on the base _61, the adhesive layer 61 is placed on the support 60 upper surface. Adhesive layer 61
A one-pack type adhesive b, which is dried and cured under heating, is stored therein, and a felt body 62 for impregnating the one-part type adhesive b is immersed in the adhesive b.

Above the felt body 62, a movable arm 6 that is horizontally movable
3 is disposed on the lower surface of the movable arm 63, the support 65 of the felt-made coating plate 64 is suspended via a fourth operating cylinder 2 ₄ of a plurality of pneumatic or hydraulic. Coating plate 64
It is opposed to the felt 62 at the retracted position of the movable arm 63, also opposite to the lower die 1 ₂ in the forward position of the movable arm 63.

Next, the production of the laminated compact L by the production apparatus will be described.

The open type when the compression mold 1 type above as shown in FIG. 2 1 ₁
The upward of the holding frame 7, also an intermediate type 1 ₃ is located respectively in the guide frame 11, connecting member 14 is in the connected state. Each knockout pin 20 is retracted into the lower mold 1 in the _2, their tips face is held on the top surface and the same surface of the small projection 17a of the lower mold 1 _2. The moving rod 32 of the transfer machine 31 is moved so that its suction cup 33 is located above the conveyor 29. The vacuum pump 24 and the blower 28 are in the inoperative state, and the switching valve 27 is switched to the vacuum pump 24 side. The cam slide 35 is in the retracted position,
The position is held by the steel ball 50 engaging with the second engaging recess 53 ₂ . The movable arm 63 of the adhesive application mechanism Co is in the retracted position, and the application plate 64 is located above the felt body 62.

Before molding operation, the upper die _{1 1,} the lower die _{1 2} and the intermediate type _{1 3} the heaters ₁₉ 1-19 _3, heated to 120 to 150 ° C. a curing temperature of unsaturated polyester resins. Also the intermediate type 1 ₃ small protrusions 17a top surface of the intermediate convex portion 16 top surface and the lower mold 1 _2, glass fibers, fillers, consisting of an unsaturated polyester resin mixed with a thickening agent such as putty-like molding material C
Place OM ₁ and COM ₂ respectively.

Its piston rod 3 by operating the second actuating cylinder 2 _2
2 is an extension, sliding combined and positioned in FIG. 2 chain line holding frame within 7 intermediate type 1 ₃ from the guide frame 11 as.

Connecting member 14 to the cutoff state, the second working cylinder 2 ₂ again actuated to contract the piston rod 3 _2, to move only the piston rod 3 ₂ the guide frame 11.

As shown in FIG. 4 by operating the first actuating cylinder 2 ₁ is extended the piston rod 3 _1, lowers the upper die 1 _1. Thereby the first inclined surface 45 ₁ is slidably engaged with the cam slide 35 on each of the first cam driver 47 _first slope 46 is forward of each cam slide 35, also the lower surface of each cam slide 35, as shown in FIG. 4 in contact with the intermediate form _1-3 top further upper die 1 _1, intermediate type 1 ₃ and the holding frame 7 is the lower die 1 ₂ top protrusions 18c lower surface of the intermediate type 1 ₃ descends while compressing the respective cushion spring 9 Abut. Thus, the compression molding die 1 is closed.

Between the upper die 1 ₁ and intermedia 1 ₃ made first cavity c ₁ is image, first forming within the cavity c ₁ is the molding material COM ₁ at meet first cavity c ₁ flows is heated The body m ₁ is compression molded and then heat cured. The predetermined gap g ₁ between each side of the biting protrusions 35a tip and intermediate type 1 ₃ of the convex portion 16 of the cam slide 35 as shown in FIG. 4A is formed, the molding material COM in the gap g ₁
Continuously provided by edges f ₁ in the first molded body m ₁ it is molded since ₁ Komu flow. Since each edge portion f ₁ is formed so as to surround the tip of each biting convex portion 35 a, the tip end is in a state of biting into the edge portion f ₁ .

Furthermore, the second cavity c ₂ is defined in between the lower die 1 ₂ and the intermediate type 1 _3, wherein the second molded body m ₂ is the flow of similarly shaped material COM ₂ compression molded, and then heat cured. The respective protruding portions of the intermediate form _1-3 shown in Figure 4B 1
Predetermined gap g ₂ is formed between 8c inner and the outer surface of the lower mold 1 _second protrusion 17, the molding material COM in the gap g ₂
The second molded body m continuously provided by edge f _{2 2} is molded so ₂ Komu flow. In this way, two moldings m ₁ and m ₂ can be simultaneously obtained by one closing operation.

In this case, since the temperatures of the upper and lower molds 1 ₁ and 1 ₂ and the intermediate mold 1 ₃ are high, the flowability of the molding materials COM ₁ and COM ₂ is good, but the glass fiber sometimes causes a flow of the unsaturated polyester resin component. If this happens, the molding materials COM ₁ and COM ₂ may not flow smoothly. This is a molding material COM
_{1. Since} air is entrained by ₁ and COM ₂ , the vacuum pump 24 is operated at the time of compression molding to apply vacuum suction to the first and second cavities c ₁ and c ₂ to flow the molding material C.
By preventing air from being entrained in OM ₁ and COM ₂ , generation of pores in the _first and second molded bodies m ₁ and m ₂ is prevented.

Stop the operation of the vacuum pump 24 and set the switching valve 27 to the blower 2
8 side, and the closed mold state is changed to both molded bodies m ₁ , m
Hold until ₂ is fully cured.

Intermediate pressurized air to operate the blower 28 type 1 ₃ of the airtight chamber 2
It injects into the 1st, 2nd cavities c ₁ and c ₂ via 2 and each ventilation hole 26. First by the pressing action of the pressurized air, the second molded body m _1, m ₂ is the release from the intermediate form _1-3.

As shown in FIG. 5, the first working cylinder 2 ₁ is operated to contract the piston rod 3 ₁ thereof, and the upper mold 1 ₁ is raised to the position before the molding operation. This holding frame 7 and the intermediate type 1 ₃ by returns to the position before the molding operation the holding frame 7 comes into contact with the enlarged head 8a of the guide pin 8 by the elastic force of the cushion spring 9. After the mold is opened, the operation of the blower 28 is stopped, and the switching valve 27 is switched to the vacuum pump 24 side in preparation for the next step or is held at the neutral position.

The tip of the biting convex portion 35a of each cam slide 35 bites into each edge portion f ₁ of the first molded body m ₁ , and each cam slide 35 is engaged by the engagement of the steel ball 50 and the first engaging concave portion 53 _1. There therefore is held at the forward position, the diet included state is reliably maintained, whereby the first molded body m ₁ is increased together with the upper mold 1 ₁ Part upper mold 1 ₁ remain attached to the. On the other hand, the second molded body m _2, the has been released from the intermediate mold 1 ₃ by the pressing action of the pressurized air, and since each of its edges f ₂ is in close contact with each outer surface of the projecting portion 17 , it is left to the lower die _{1 2.}

Its piston rod 3 by operating the second actuating cylinder 2 _2
2 is extended to bring the connecting member 14 into the connected state. And deflating the piston rod 3 ₂ again operates the second working cylinder 2 _2, on an intermediate type 1 ₃ engaged slidably with the guide frame 11, leaving from between the lower mold 1 _1, 1 _2. The first and second molded bodies by separation of the intermediate type 1 ₃ m _1, m ₂ are opposed across the holding frame 7.

Activate each fourth operating cylinder 2 ₄ lowers the coated plate 64 in contact with the felt member 62, the adhesive may be applied b to the coating plate 64 lower surface. Again the small protrusions a ₁ of the fourth working cylinder 2 ₄ coated plate 64 by moving the movable arm 63 to the forward position after raising the coated plate 64 by operating the second molded body m ₂
~ A ₃ are opposed to each other. And operating each fourth operating cylinder 2 ₄ lowers the coated plate 64 second molded body m ₂ abuts on it, applying adhesive b to the top surface of each of the small protrusions a ₁ ~a _3.
After that, the coating plate 64 is raised and the movable arm 63 is retracted to return the coating plate 64 to the original position.

As shown in FIG. 6, the piston rod 3 ₁ is an elongated, lowers the upper die 1 ₁ by operating the first actuating cylinder 2 _1. Thus end stepped surface 1a of the upper die 1 ₁ holding frame 7
Contact with the upper surface further upper die 1 ₁ and the holding frame 7 is lowered while slightly compressing each cushion spring 9. The second inclined surface 45 ₂ each second cam driver 47 of the cam slide 35
Each cam slide 35 retracts by sliding on the _second slope 48,
As shown in FIG. 6A, the biting convex portion 35a is the first molded body m.
_It separates from the edge part f _{1 of 1} . When the lower surface of the cam slide 35 abuts against the upper surface of the lower mold 1 _second upper, lower die 1 _1, 1 ₂ closed ends.

In this closed under polymerizing the second molded body m ₂ adhering to the first molded body m ₁ and the lower mold 1 ₂ adhering to the upper mold 1 ₁ from each other, both the molded body m _1, m ₂ is heated under pressure Are bonded together with an adhesive, whereby both molded bodies m ₁ and m ₂ are accurately polymerized,
In addition, a high-quality laminated molded body L having no pores can be obtained.

In this case, addition, since the lower die 1 _1, 1 ₂ is heated to 120 to 150 ° C., drying and curing of the adhesive b is promoted by the heat, the joining operation thus is completed in about 1-2 minutes .

The first molded body molding material COM ₁ for use in the convex portion 16 the top surface of the intermediate type 1 ₃ in the next step is placed in the bonding operation (Figure 7).

As shown in FIG. 7, the first working cylinder 2 ₁ is operated to contract the piston rod 3 ₁ thereof, and the upper mold 1 ₁ is raised to the position before the molding operation. In this case, each edge f ₂ of the second molded body m ₂ as best shown in Figure 6A is in close contact with the respective outer surfaces of the lower mold 1 _second protrusion 17, the second to the second molded body m ₂ since 1 molded body m ₁ are bonded, molded laminate L is reliably left on the lower mold 1 _2. The holding frame 7 with the rise of the upper mold 1 ₁ also returns to the position to rise.

Third operating cylinder 2 ₃ its piston rod 3 by operating the
₃ is a stretched, causing each knockout pin 20 protrudes from the lower die 1 _2. Thus the molded laminate L is supported on the knockout pin 20 above the lower mold 1 _2.

Operating the transfer apparatus 31 that moves the rod 32 is slid toward the lower mold 1 ₂ is made to face the respective suction cups 33 in the stacked molded body L. After the laminated compact L is adsorbed to each suction cup 33, the moving rod 32 is slid to the conveyor 29 side, and the laminated compact L is transferred above the conveyor 29. The suction capacity of each suction cup 33 is released, and the laminated molded body L is dropped onto the conveyor 29 and conveyed to a predetermined position. The third hydraulic cylinder 2 ₃ again actuated to contract the piston rod 3 _3, is retracted to the knock-out pin 20 in the lower mold 1 in _2.

Both edge portions f ₁ and f ₂ of the laminated compact L are cut off by trimming, whereby the laminated compact L of FIG. 1 is obtained.

Compression molding of the first and second molded bodies m ₁ and m ₂ as described above,
Since both molded bodies m ₁ and m ₂ are continuously cured and polymerized and bonded by the adhesive b of both molded bodies m ₁ and m ₂ under heating, mass productivity of the laminated molded body L is good.

8 and 9 show an automobile bonnet 70 obtained by applying the above-mentioned method, in which a fiber-reinforced exterior plate 71 as a first molded body and a fiber-reinforced stiffener 72 as a second molded body are made of an adhesive agent. Are joined through.

When the adhesive b is applied to each of the first and second molded bodies m ₁ and m ₂ in the adhesive application step, the movable arm 63 is configured to be rotatable about its axis, and the application plate 64 is provided. Should be reversed.

When the adhesive applying mechanism Co is configured by the stamp method using the applying plate 64 as described above, the applying work can be speeded up and the waste of the adhesive b can be eliminated. However, in order to perform the applying work more efficiently, It is advisable that a film-shaped adhesive such as a phenolic resin is sandwiched between the first and second molded bodies m ₁ and m ₂ . Other coating methods include
Examples thereof include a method using an applicator equipped with a brush, a roller, etc. and a robot equipped with an application gun.

When a reaction curable two-component adhesive is used as the adhesive, a resin component is applied to one of the first and second molded bodies m ₁ and m ₂ , and a curing agent component is applied to the other.

Incidentally, wherein at the upper mold 1 ₁ and the lower die 1 ₂ dies 1 ₁ by lifting _against, 1 ₂ toward and away from in the embodiment, the lower die 1 ₂
The raising and lowering relative to the upper die 1 _1, when lowering the upper die 1 ₁ raising the lower mold 1 ₂ At the same time, one or both of them dies 1 _1, 1 ₂ arranged on the left and right horizontal movement It is possible to implement a modified example such as making it. In addition to the glass fiber, carbon fiber, aramid fiber or the like is used as the reinforcing fiber. Upper mold 1 ₁ , lower mold 1 ₂ and intermediate mold 1 ₃
The heat source, steam, heated oil or the like is used outside of the heater 19 _{1-19 3.} Furthermore, the present invention is also applied to the case where a laminated molding is produced using a molding material that does not contain glass fiber or the like as a reinforcing fiber.

C. EFFECTS OF THE INVENTION According to the present invention, the compression molding of the first and second molded bodies, the curing of both molded bodies, and the polymerized joining of both molded bodies with an adhesive under heating are continuously performed. It is possible to reduce the man-hours, shorten the drying time of the adhesive, and improve the mass productivity of the laminated molded body. Further, since both molded bodies are polymer-bonded in a state where they are attached to the first and second molds respectively, a high-quality laminated molded body having no positional deviation can be obtained without performing a centering operation of both molded bodies. be able to.

[Brief description of drawings]

The drawings show one embodiment of the present invention. FIG. 1 is a vertical sectional view of a laminated molded body, FIG. 2 is a vertical sectional view of a manufacturing apparatus before a molding operation, and corresponds to a sectional view taken along line II-II in FIG. , Fig. 2A shows the second
FIG. IIa arrow view, FIG. 2B is an enlarged sectional view taken along the line IIa-IIb-IIb in FIG. 2, FIG. 3 is a sectional view taken in the direction of arrow III in FIG. 2, and FIG. 4A and 4B are partially enlarged views of FIG. 4, FIG. 5 is a vertical cross-sectional view of the device at the time of mold opening after the molding process, and FIG. 6 is a vertical cross-sectional view of the main part of the device in the joining process. 6A is a partially enlarged view of FIG. 6,
FIG. 7 is a vertical sectional view of the apparatus at the time of opening the mold after the joining step, FIG. 8 is a plan view of an automobile hood, and FIG. 9 is a sectional view taken along line IX-IX in FIG. b ...... adhesive, L ...... laminated _article, m 1, _{m 2} ...... first, second molded body 1 ...... compression mold, _{1 1} ...... the upper mold of the first type, _{1 2}
...... lower die as the second type, _{1 3} ...... intermedia, ₁₉ 1 to 1
9 ₃ ... Heater

Claims (2)

[Claims] 1. A first and a second polymerized and bonded to each other.
In producing a thermosetting synthetic resin laminate molded body composed of a molded body, a compression mold made up of a first mold, a second mold facing the first mold, and an intermediate mold existing between both molds is heated. , The first and second molded bodies are simultaneously compression-molded between the first mold and the intermediate mold and between the second mold and the intermediate mold by a single closing operation of the compression molding mold, and subsequently both moldings are performed. Curing the body; opening the compression mold with the first and second molded bodies attached to the first and second molds, respectively, and opening the intermediate mold with the first and second molds. A step of separating from the molds to make the first and second molded bodies face each other; closing the first and second molds under heating to bond the first and second molded bodies with an adhesive. And a step of polymerizing and joining with each other via; The method for fabricating a resin-made molded laminate. 2. The method for producing a thermosetting synthetic resin laminate according to claim 1, wherein the adhesive is formed in a film shape.