JPS62208912A - Production device for foamed body - Google Patents

Abstract

PURPOSE:To obtain a production device for a foamed body being trouble-free and light weight as well as at a low cost by fixing a bottom force component and connecting a top and a bottom force components with a link plate and a free roller for guiding as well, and by setting separately a bearing for locking to be able to adjust an arbitrary height and to incline at an arbitrary angle. CONSTITUTION:Driving and driven wheels 30, 31, 32, 33 are rotated in the arrow direc tion and a top and a bottom force components 2, 11 are heated at 50 deg.C. A mold K is set to conform to a foam B with an inclined plane in the thickness by lifting only one side of a supporting bar 27. That is, in this case, a decorative surface is inclined by lifting up a top force component 1, a guide body 20 and a duct 22 with the supporting bar 27, because the bottom force component 10 is fixed. A raw material of polyurethane foam B is discharged on a surface material S and back face material R is laminated thereon and the raw material is sent and supplied to a mold K through a guide roller and a stretching apparatus T. The raw material is molded by react- foaming during passing in this mold K and sent forth continuously as a composite board through the outlet. Owing to this constitution, the molding of a foamed body provided with an inclined plane can be easily prepared. In addition, a long-life and good appearance finished surface can be obtained because the surfaces of the top and bottom force components do not make contact with anything but a foamed body.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention uses a synthetic resin foam as a core material, and uses any foam material in which members formed into various cross-sectional shapes are integrally formed between the front and back surfaces of the core material. The present invention relates to a foam manufacturing apparatus that is useful for manufacturing a foam that is continuous in thickness and has sloped surfaces on either the front or back surface.

[Conventional technology]

Generally, this type of foam is manufactured using one of three methods: (1) steel belt, (2) roller, or (2) caterpillar, and products with a single thickness and shape are manufactured on a dedicated line. In particular, in the past, if either the front or back side of the foam was sloped, a special machine was required.

[Problem that the invention seeks to solve]

With the steel belt method mentioned above, it is very difficult to manufacture a foam with an inclined surface due to the relationship between the rotation of the belt and the guide.Furthermore, in the case of the row row method mentioned above, scratches occur due to the difference in circumferential speed; As mentioned above, the method is limited to a single type. There were other drawbacks. Of course, with each of these types of devices, it is almost impossible to arbitrarily change the thickness of the foam. Furthermore, caterpillar-type equipment had a structure in which a profile was attached to the chain and link plates, making it heavy, expensive, and subject to severe wear.

[Means for solving problems]

The present invention fixes the lower mold member, connects the upper and lower mold members with a link plate and a free roller that also serves as a guide, eliminates the use of a chain, and separately installs a bearing to prevent loosening, so that the mold member can be attached to other parts. It prevents damage to the mold member surface except for direct contact with the upper mold member, and also allows the upper mold member to be tilted to any height and angle up to approximately 30 degrees.It is lightweight and has fewer failures. The present invention proposes an inexpensive foam manufacturing device.

〔Example〕

An embodiment of the foam manufacturing apparatus according to the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a side view schematically showing the manufacturing apparatus according to the above invention;
FIG. 2 is a sectional view taken along line A--A in FIG. 1. In the figure, the upper part is an upper mold member, and a large number of upper mold parts 2 are fixed to link plates 4.5 through a link plate connecting plate 3 as shown in FIGS. supports the free roller 6 which also serves as a guide, and the free roller 6 which also serves as a guide is supported on the
It is attached to one end of the main shaft 7 of the main shaft 7 via a collar 8 and a bearing 9 for preventing loosening. In addition, link board 4.
Reference numeral 5 serves as a chain-like function, a plate mounting member for connecting link plates, and a mounting member for the upper mold piece 2. ■ is the lower mold member, which has the same structure as the upper mold member, and in order to identify the members, 11 is the lower mold part, lla is a link plate connection plate, 12.13 is a link plate, and 14 is also used as a guide. 15 is a collar, 16 is a main shaft, and 17 is a bearing for preventing loosening. 18.19 is a guide rail, 20.21 is a guide body composed of a duct 22.23 and a reinforcing structural frame 24.25, and is useful for attaching the upper and lower mold members and the river. Reference numeral 21a denotes a fixed piece for guiding the lower mold member, and supports the guide body 20 on a tunnel-shaped pedestal 29, which will be described later. Reference numerals 22a and 23a are guides that function as guide portions of the bearing for preventing loosening. K is the space formed by the upper and lower mold members and the river in the mold. Reference numeral 26 denotes a box base guide piece, which supports a support rod 27 that moves up and down at appropriate locations as shown in FIGS. Piece 26
This is a part that can be attached in large numbers depending on the situation.

In particular, the box base guide piece 26 has a support structure at the end that allows the guide body 20 to move up and down, for example, a bearing 26a is fitted into a through hole drilled in the box base guide piece 26, or a bearing and a support rod (not shown) are fitted. They are constructed so that they can be rotated by a certain angle depending on the combination. 30.31 is a driving shaft, 32.33 is a driven wheel, 34 is a cover, and 35.36 is a conveyor that conveys the foam surface material S, back surface material R1, and foam B to the next process at each location. be. Reference numeral 37 is a rattling prevention mechanism mounted on the upper mold member, which is composed of hydraulic cylinders 38 and links 39 on both sides at the upper end of the guide body 20, so that the upper mold member is prevented from being sized due to rattling etc. during the manufacture of the foam B. This is useful for stably supporting the guide body 20 so that errors do not occur much.

Next, the operation of the foam manufacturing apparatus according to the present invention will be explained. Now, assume that the foam shown in FIG. 6(a) is to be manufactured. In the figure, S is a colored steel plate, B is a polyurethane foam, and R is a composite plate made of aluminum kraft paper. Therefore, Hara, driven wheel 30.31.32.33 (
sprocket) rotates in the direction of the arrow, and the upper and lower mold parts 2.1
1 is heated to 50° C., and only one of the support rods 27 of the mold K is raised to set the mold K to a thickness matching that of the foam B having an inclined surface as shown in FIG. 6(a). That is, in this case, since the lower mold member is fixed, the upper mold member, guide body 20, and duct 22 are raised by the support rod 27,
The decorative surface is inclined at an angle of about 7 degrees. Of course, the link plates 4.5.12.13 also have the conventional chain-like function. Therefore, the raw material for polyurethane foam B is discharged onto the surface material S, the back material R is laminated on top of it, and the material is fed to a mold K via a guide roller and a spreading device T. is reacted, foamed and molded, and is continuously delivered from the outlet as a composite plate shown in Figure 6 (al).In this case, there is no play on the upper and lower mold members, and the specified dimensions are maintained. A composite plate was manufactured.In addition, the loosening prevention bearings 9.17 completely prevented the loosening of the upper and lower mold members, and also suppressed the displacement of the upper and lower mold members. In addition, the backlash prevention mechanism 37 reliably maintained the inclination of the upper die member.Furthermore, the upper and lower die members and ears were lighter than before, and the power was transmitted more directly. There is no energy loss and it can be manufactured efficiently.

What has been described above is only one embodiment of the foam manufacturing apparatus according to the present invention, and the lower mold member may be constructed of a steel belt, a roller, or other mold material.

〔Effect of the invention〕

As described above, according to the foam manufacturing apparatus according to the present invention, (1) the upper mold member can be arbitrarily tilted within an acute angle range with respect to the lower mold member, so that a foam having an inclined surface can be easily manufactured. (2) The upper mold member is suspended by the guide body and the rattling prevention mechanism, and can be vertically displaced by the support rod, and can be changed more smoothly by a predetermined dimension because this is done via a guide with a slide. -Efficiency is high because power is transmitted directly, and looseness in each component does not adversely affect the dimensions of the foam. ■Since the lower mold member is fixed and the upper mold member can be moved up and down, foams of arbitrary thickness can be easily manufactured using the same equipment. -Since the duct and the guide bodies for the upper and lower mold member guides are each made of the same material, there is no need to separately provide the duct cover and the mold member guide members, reducing costs.

■Since the surfaces of the upper and lower mold members do not come into contact with anything other than the foam, it has a long life and can provide a beautiful finished surface. It has the following characteristics.

[Brief explanation of drawings]

FIG. 1 is a schematic side view showing an embodiment of the foam manufacturing apparatus according to the present invention, FIG. 2 is a cross-sectional view taken along line A-A in FIG. 1, and FIGS. 3 and 4 are link plates, An explanatory diagram showing the attachment part of the link plate connection plate and the free roller that also serves as a guide.
FIGS. 5(a) to (C) are explanatory diagrams showing a box base guide piece, support rod, etc. for varying the guide body 20, and FIG. 6 is an explanatory diagram showing an example of a foam, such as a composite plate. . Soil: Upper mold member, 2: Upper mold piece, 3: Link plate connection plate, 6: Free roller that also serves as a guide, 9.17: Bearing for preventing loosening, 20. 21・
... Guide body, 22.23 ... Duct, 28 ... Slide case, 37 ... Backlash prevention mechanism. Figure 8 ＾ Top, upper-intermediate member rudder, ``F momme member Figure 2 Figure 3 + Figure 5 (αn(bn(bn)

Claims (1)

[Claims] (1) In an apparatus in which two mold members are each formed endlessly and placed one above the other, and the mold members face each other one after another to form a mold that moves in one direction on a substantially horizontal plane, and in which a foam is formed. , the upper and lower mold members are housed in a tunnel-shaped pedestal, the lower mold member of the endless band is rotatably mounted on a fixed guide body, and the upper mold member is fixed at an angle with the upper, lower, and lower mold members. An apparatus for manufacturing a foam, characterized in that the foam is rotatably attached to a changeable guide member so as not to come off, and a rattling prevention mechanism is added.