JPH0790598B2 - Laminated material manufacturing method and manufacturing apparatus - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention uses a long metal or non-metal long material such as a steel pipe, lightweight shaped steel, H shaped steel, shaped steel, and aluminum shaped material as a base material, and wood on the surface along its length direction. TECHNICAL FIELD The present invention relates to a method for manufacturing a laminated material or a laminated material in which surface materials such as synthetic resin or metal are laminated, and a manufacturing apparatus therefor.

[0002]

Regarding the production of a laminated material in which a surface material is laminated on the surface of a long base material, the applicant of the present invention first mentions that the inside of a flexible molding cylinder having a pressure chamber in the outer peripheral portion. Inventing a manufacturing method and a manufacturing apparatus in which a long base material having a surface material temporarily adhered to the surface is inserted into a mold having a closed cross-sectional shape, and pressed from the outside to the inside so that the surface material is fixedly laminated on the base material. Japanese Patent Application Sho 61
Filed under -274934.

This method has an advantage that the whole long base material is put into a molding cylinder and pressed to be manufactured by one-step molding. However, on the other hand, it is difficult to grasp the stuck and laminated state in the molding process.
In addition, it is difficult to follow changes in the length and cross-sectional shape of the base material, and there is a need for improvement in that the device becomes large and expensive.

The present invention is intended to solve the above problems. The purpose is to fix the surface material in the molding process,
It is possible to control the quality of the laminated material with a high degree of certainty and to produce a laminated material with no defects efficiently, and to change the length of the base material, adjust the distance between the pressing equipment or pressurizing equipment. A manufacturing method and a manufacturing apparatus of a laminated material using a pressurizing body, which can be adjusted by increasing and decreasing, the manufacturing apparatus is relatively inexpensive, the handleability is excellent, and the maintenance is easy. .

[0005]

According to a first aspect of the present invention, there is provided a method for producing a laminated material, which comprises laminating a surface material on the surface of a long base material, the method comprising: Divide into a plurality of discontinuous sections along the length direction, and press the peripheral portion of the base material in the width direction from the outer side to the inner side through a pressing body in units of each section,
A method for producing a laminated material is characterized in that a surface material is fixedly laminated on a base material.

According to a second aspect of the present invention, there is provided a time difference between the sections so that the surface of the base material is pressed from the outer side to the inner side in the width direction so that the surface material is fixedly laminated on the base material. It is a manufacturing method.

According to the third aspect, while heating the base material and the surface material,
The method for producing a laminated material according to claim 1, wherein the surface material is fixedly laminated on the base material by pressing the periphery of the base material from the outer side to the inner side in the width direction.

According to a fourth aspect of the present invention, there is provided an apparatus for producing a laminated material in which a surface material is laminated on the surface of a long base material, which surrounds the surface of the base material on which the surface material is arranged. In the laminated material manufacturing apparatus, a plurality of pressurizing devices having pressurizing members with a closed cross-section that press the periphery from the outer side to the inner side in a discontinuous manner are provided along the length direction of the base material. .

A fifth aspect of the present invention is the apparatus for producing a laminated material according to the fourth aspect, wherein the pressurizing device having a pressurizing member with a closed cross-section is openable and closable.

A sixth aspect of the present invention is the apparatus for producing a laminated material according to the fourth aspect, wherein a setting frame for setting the base material is arranged between the pressure devices.

A seventh aspect of the present invention is the apparatus for producing a laminated material according to the fourth aspect, wherein a high-frequency heating device for heating the base material and the surface material is provided between the pressurizing devices.

The term "pressurizing body" as used in the present invention comprises a pressurizing chamber made of a pressurizing rubber layer containing a liquid or a gas, and a pressurizing section or a liquid which is self-pressurized and expanded by hydraulic pressure or air pressure. The pressure receiving portion is composed of a pressure rubber layer containing a buffer fluid such as gas, and the pressure generated in the pressure body is about 5 to 100 kg / cm ² .

[0013]

EXAMPLES FIGS. 1, 2 and 3 show a manufacturing apparatus used in Examples, in which a long-sized rectangular steel pipe base material 1 having a surface material 2 made of wood temporarily arranged with an adhesive is arranged. Surrounding the periphery of the pressurizing device 3-1, 3-
, 2 are provided discontinuously along the length direction of the base material with a predetermined spacing d, and the setting frame 4 is disposed at the spacing d portion, and the spacing d can be changed as necessary. , Further, each of the pressure device 3-1, 3-2 ......, d _1, d
_It may be installed as ₂ , d ₃ …….

In FIG. 1, the length 1 (L) of the substrate 1 is 4
000 mm, the width w of the pressure device 3 is 400 mm, and the distance d is 10
The setting frame 4 has a width of 0 mm and a width of 50 mm.

As shown in FIG. 2, the pressurizing device 3 has a square cross section, and has a space 5 in which the base material 1 to which the surface material 2 is temporarily adhered is placed and the periphery thereof is pressed from the outside to the inside to form. . That is, the pressurizing device 3 has an L-shaped pressurizing portion 6 and a pressure receiving portion 7 facing each other, and is axially attached at one end 8 to form a space 5 therein, and a hydraulic pressure is provided outside the pressure receiving portion 7. A cylinder 9 is attached so that it can be opened and closed freely. The cylinder may be pneumatic or electric.

The two inner surfaces of the pressurizing portion 6 and the pressure receiving portion 7 are formed as molding layers 10 and 10 'made of an elastic material such as rubber, and the back surface thereof receives the pressure rubber layer 11 and hydraulic pressure. A pressure chamber 12 containing a fluid or a pressure chamber 13 containing a buffer fluid is provided. Pressure unit 6 and pressure receiving unit 7
When the hydraulic pressure 14 is applied to the pressurizing chamber 12 of the pressurizing unit 6 in the closed state, the forming layer 10 swells, and the base material 1 to which the internal surface material 2 is temporarily adhered is formed into the forming layer 10 ′ of the pressure receiving unit 7. And the surface material 2 is fixedly laminated on the base material 1.

As shown in FIG. 3, the setting frame 4 has a substantially U-shaped cross section, and has a set space 15 having a cross section in which the base material 1 to which the surface material 2 is temporarily adhered can be stored, and the upper surface is enlarged and opened. There is.

To manufacture a laminated material using this apparatus,
The hydraulic cylinder 9 is operated to rotate the pressure receiving portion 7 to open the space 5 of the pressurizing device 3, and the base material 1 to which the surface material 2 is temporarily adhered is fitted into the setting space 15 of the setting frame 4 from above, At the same time, the pressurizing device 3 is set in the space 5, the hydraulic silidan 9 is moved to close the space 5, and the pressurizing portion 6 and the pressure receiving portion 7 are fixed to form the pressurizing device 3 having a closed cross-section. In this state,
For example, a time difference of a few seconds or a few minutes is provided from the pressurizing device 3-1 at one end (the left end in FIG. 1) of the base material 1, and then 3-2, 3-
A pressure 14 is applied to the pressing portions 6 of 3, 3, to press the base material 1,
The surface material 2 that has been temporarily adhered with an adhesive material is permanently adhered to the base material 1 and fixedly laminated. The bonding method at this time may be a method using a known adhesive. However, when a honeymoon type adhesive is used, temporary bonding is performed by using liquid A as the base material and liquid B as the surface material, and pressing. Then, the main adhesion may be performed by the A liquid / B liquid curing reaction.

Although not shown, for example, the pressure device 3,
It is also possible to provide a heating means such as a high-frequency heating device between 3 and press the base material and the surface material in a heated state to fix and laminate them.

FIG. 4 shows a pressure device 3 according to another embodiment. This pressurizing device 3 is composed of a pressurizing portion 6 having a molding layer 10 having a U-shaped cross section and a pressure receiving portion 7 having one molding layer 10 ', and has a space 5 having a square cross section inside. Forming surface 10, 10 '
On the back surface of the pressurizing rubber layer 11, there is provided a pressurizing chamber 12 that straddles the molding layer 10 filled with fluid that communicates with the hydraulic pressure source 14, and a pressure receiving chamber 13 that contains a buffer fluid such as oil, water or gas. ing. The pressure receiving portion 7 rises upward, and the space 5 can be opened. After setting the base material with the surface material temporarily adhered to the internal space, the pressure receiving portion 7 is lowered as in the pressure device of FIG. The space 5 is fixed and closed, the hydraulic pressure 14 is sent to the pressure chamber 12, the base material set inside is pressed, and the surface material is fixed and laminated on the base material.

FIG. 5 shows a pressure device 3 of another embodiment. The pressurizing device 3 is surrounded by four pressure receiving portions 7 each having one molding surface 10 ′ on the inner surface, and has a space 5 having a square cross section inside. A pressure rubber layer 11 and a pressure receiving chamber 13 containing a buffer fluid are provided on the back surface of each molding surface 10 '. A hydraulic cylinder 9 is attached to the pressure receiving portion 7 so that it can be freely opened and closed. Also in this device, the base material is set in the space 5 in which the pressure receiving portion 7 is opened, and the pressure receiving portion 7 is closed and fixed under pressure to pressurize the inside of the pressure receiving chamber 13 and press the base material from the outside toward the inside. The surface material can be fixedly laminated on the base material.

FIG. 6 shows a pressure device 3 according to another embodiment. This pressurizing device 3 is surrounded by four pressurizing portions 6 and has a space 5 having a square cross section inside. Each pressurizing unit 6 includes a pressurizing chamber 12 that communicates with the molding layer 10, the pressurizing rubber layer 11, and the hydraulic pressure 14 source. As shown in FIG. 7, the pressurizing unit 6 includes an outer plate 6-1 and an inner plate 6-2 having a recess for accommodating the pressure chamber 12, the pressure rubber layer 11, and the molding layer 10. Hydraulic hole 15
Are perforated, the peripheral edge of the pressure rubber layer 11 is bent inward, and is bonded and fixed to the inner surface of the outer plate 6-1 at the bent portion. The inner and outer plates 6-2 and 6-1 are fixed by bolts 16. It has been concluded.

A substantially square support frame 17 is attached to surround the pressure unit 6 of 4. As shown in FIGS. 6 and 8 (a), the support frame 17 has two L-shaped frame pieces 18 pivotably attached at one end to be openable and closable, and a pin hole 19 drilled in the overlapping portion at the other end.
Then, the fixing pin 20 is fitted and inserted to form a rectangular support frame 17, and the pressurizing portion 6 of 4 constitutes a pressurizing device having a closed cross-section. FIG. 8B shows a case where the two L-shaped frame pieces 18 are different from each other.

This device also has the same space 5 as the pressurizing device.
The base material set in 1 is pressed by the molding layer 10 of 4, and the surface material 1
Can be fixedly laminated on the substrate 1.

9 and 10 show a pressure device 3 according to another embodiment. This pressurizing device 3 is composed of a pressing pressure receiving portion 7 pressed by a pressurizing hydraulic cylinder 2 and a fixed pressure receiving portion 7 and has a space 5 having a substantially square cross section inside. Pushing pressure receiving parts 7, 7 and 2 pressed by two pressurizing cylinders
Two L-shaped frame pieces 18 constituting a rectangular frame body 17 are attached to the outside of each of the fixed pressure receiving portions 7, 7. The two frame pieces 18, 18 are pivotally attached to one end as described above,
The other end has a pin hole 19 into which a fixing pin 20 is inserted, and can be opened and closed and fixed.

The two pressing pressure receiving portions 7 of this apparatus are frame pieces 18
Are attached to the inner surfaces of the two sides via a hydraulic cylinder 9. The hydraulic cylinder 9 is extended to form a frame 17 between the molding surface 10 ′ of the pushing pressure receiving portion 7 and the fixed molding surface 10 ′ of the pressure receiving portion 7.
Is used as a reaction force to press the base material 1, and the surface material 2 is fixedly laminated on the base material 1.

The molding layer 1 is formed on the inner surface of the pressure receiving portion 7 of this apparatus.
0 ', a pressure receiving chamber containing a water bag 21 is provided on the back surface thereof.

FIG. 11 shows a pressurizing device 3 of another embodiment. This device is surrounded by a pressurizing portion 6 having a semicircular arc-shaped cross section, and has a space 5 having a circular cross section inside. Each pressurizing part 6 is a molding layer 1
0, a pressure rubber layer 11 and a pressure chamber inner side 12 communicating with a source of hydraulic pressure 14. A circular support frame 17 is attached to surround the two pressure members 6. This support frame 17 is 2
One end of each of the half-circular frame pieces 18 is axially attached, and the fixing pin 20 is inserted into the pin hole 19 of the other end and axially attached, and the pin hole 19 of the other end is attached.
The fixing pin 20 is fitted in and assembled. FIG. 12 shows a setting frame 4 used in combination with this pressurizing device,
It has a set space 15 for setting the base material 1 having a circular cross section on which the surface material 2 is arranged.

[0029]

According to the manufacturing method and the manufacturing apparatus of the laminated material, the long base material is divided into a plurality of discontinuous sections,
Since the pressure is applied from the outer side to the inner side in the width direction via the pressure body, it is possible to grasp and confirm the fixed laminated state of the base material and the surface material in the manufacturing process. Can be manufactured well. Further, if necessary, by moving the base material after pressing and pressing the non-pressing portion, the entire length of the base material can be pressed. In addition, the pressure rubber layer supported by the liquid or gas of the pressure body evenly presses the entire contact surface against the surface material, so that the difference in hardness due to the summer and spring of wood and surface irregularities It is possible to deal with the deformation of the pressure rubber layer, and uniform pressure can be applied without generating unnecessary concentrated stress on the surface material. The pressurizing device of the manufacturing equipment can be downsized and the cost can be reduced, and by combining a plurality of pressurizing devices and adjusting the distance between the pressurizing devices, it is possible to manufacture laminated materials of various lengths. At the same time, the maintenance and management of the device will be easy and the handling will be good.

[Brief description of drawings]

FIG. 1 is an overall explanatory view of a laminated material manufacturing apparatus according to an embodiment.

FIG. 2 is a cross-sectional view of a pressure device.

FIG. 3 is a side view of a setting frame.

FIG. 4 is a sectional view of a pressure device according to another embodiment.

FIG. 5 is a sectional view of a pressure device according to another embodiment.

FIG. 6 is a cross-sectional view of a pressure device according to another embodiment.

FIG. 7 is an enlarged cross-sectional view of the pressure unit of FIG.

8 (a) and 8 (b) are side views of the pressure device of FIG. 6, respectively.

FIG. 9 is a side view showing a partial cross section of a pressure device according to another embodiment.

FIG. 10 is a side view of the pressure device of FIG.

FIG. 11 is a cross-sectional view of a pressure device of another embodiment.

FIG. 12 is a side view of a setting room having a set space having a circular cross section.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Base material, 2 ... Surface material, 3 ... Pressurizing device, 4 ... Setting frame, 5 ... Space, 6 ... Pressurizing part, 7 ... Pressure receiving part, 8 ... Shaft attachment, 9 ... Hydraulic cylinder, 10, 10 ' ... Molding layer, 11
... pressure rubber layer, 12 ... pressure chamber, 13 ... pressure receiving chamber, 14 ... hydraulic pressure, 15 ... set space, 16 ... bolt, 17 ... support frame,
18 ... Frame piece, 19 ... Pin hole, 20 ... Fixing pin, 21 ... Water bag.

Claims (7)

[Claims] 1. A method for producing a laminated material, which comprises laminating a surface material on the surface of a long base material, wherein a base material having the surface material arranged on the surface is provided with a plurality of discontinuous materials along the length direction. A method for producing a laminated material, characterized in that the surface material is fixed to and laminated on a base material by dividing the area into sections and pressing the periphery of the base material from the outer side to the inner side in the width direction through a pressing body in units of each section. 2. The method for producing a laminated material according to claim 1, wherein a time difference is provided between the sections, and the periphery of the base material is pressed from the outer side to the inner side in the width direction to fix and laminate the surface material on the base material. . 3. The laminated material according to claim 1, wherein while heating the base material or the surface material, the periphery of the base material is pressed from the outer side to the inner side in the width direction to fix and laminate the surface material on the base material. Manufacturing method. 4. An apparatus for producing a laminated material, which comprises laminating a surface material on the surface of a long base material, wherein the peripheral material surrounds the base material on which the surface material is placed, and the base material periphery is arranged in the width direction. An apparatus for manufacturing a laminated material, characterized in that a plurality of pressurizing devices each having a pressurizing member having a closed cross-section that presses inward from the outside are provided discontinuously along the length direction of the substrate. 5. The laminated material manufacturing apparatus according to claim 4, wherein the pressurizing device having a pressurizing member with a closed cross-section is openable and closable. 6. The laminated material manufacturing apparatus according to claim 4, wherein a setting frame for setting the base material is arranged between the pressure devices. 7. The apparatus for manufacturing a laminated material according to claim 4, wherein a high-frequency heating device for heating the base material and the surface material is provided between the pressure devices.