JPH043738B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Technical Field The present invention particularly relates to an apparatus for manufacturing a core material (feather core) used inside sliding doors and the like.

(b) Prior art and its problems Conventionally, in general, in order to manufacture the core material, paper 1 coated with adhesive 2 in a linear manner is placed in a polygonal cylinder, and each layer is dried with each other on the front and back sides. The laminate is glued and wound to form a core laminate 3.
(See Figure 1).

Next, this core laminate 3 is manually stretched and placed on a lower liner whose upper surface is coated with an adhesive, and the upper liner whose lower surface is coated with an adhesive is attached to the upper edge of the core laminate 3. A feather core of the desired size was made by placing and gluing the feather core on the substrate.

By the way, the thickness of the laminate 3 is actually
The feather core has a length of 3 to 10 cm at most, and since the core laminate 3 is stretched manually, there is a limit to the size of the feather core, and the productivity is extremely low.

(c) Purpose of the present invention The present invention has been made in order to eliminate the above-mentioned drawbacks of the conventional technology, and it is an object of the present invention to provide a core material manufacturing device that can continuously produce feather cores at low cost without manual intervention. purpose.

(d) Description of Embodiments Next, a core material manufacturing apparatus according to the present invention will be explained with reference to FIG. 2 and subsequent figures showing one embodiment.

The core material manufacturing device is roughly the first feeding device 4.
, a second delivery device 5 , a liner supply device 6 , and a crimping device 10 .

In the figure, the first feeding device 4 consists of a pair of rollers (first feeding rollers) whose outer peripheries are coated with rubber or the like, and moves the core laminate 3 fed onto the base 11 forward. It is sent to The second feed-out device 5 also consists of a pair of rollers (second feed-out rollers) whose outer peripheries are coated with rubber or the like, but the feed-out speed is, for example, 1:50 higher than that of the first feed-out roller 4. The core laminate 3 is stretched between the rollers 4 and 5 to form a honeycomb-shaped core material 12.

The liner supply device 6 comprises a liner roll 7 and an adhesive application means 9 for applying adhesive to the lower or upper surface of the liner 8 from this roll. A pressure bonding device 10 consisting of a pair of rollers (press rollers) coated with rubber or the like is used to compress the honeycomb-shaped core material 12.
The core material 13 is formed by being press-bonded to the upper and lower edges of the core material 13. Note that the feeding speed of the pressure roller 10 is the same as the feeding speed of the second feeding roller 5.

Reference numeral 14 denotes a cutter device for cutting the core material 13 into a product of a predetermined size, and the blade 15 of this cutter device 14 is
It moves obliquely downward by a cylinder 17 attached to a gate-shaped frame 16.
is slidably attached to a guide member 18 and is screwed onto a screw shaft 20 which is rotated in forward and reverse directions by a motor 19.

Then, the frame 16 is moved by the motor 19 at the same speed as the core material 13, and the blade 15 is lowered by the cylinder 17, thereby cutting the continuously formed core material 13 into a predetermined length.

Incidentally, it goes without saying that the first and second feeding devices 4 and 5 and the pressure bonding device 10 are not necessarily limited to rollers.

Next, a method for manufacturing a core material using the core material manufacturing apparatus having the above configuration will be explained.

First, by a conventionally known method, a plurality of core laminates 3 shown in FIG.
Apparently, it constitutes a series of core laminates 3, which are sent forward by the first delivery roller 4, and their tips reach the second delivery roller 5. When the core laminate 3 reaches the second delivery roller 5, the difference in delivery speed between the two rollers 4, 5 causes the rollers 4, 5 to
The core laminate 3 between the cores 5 and 5 is stretched to form a honeycomb-shaped core material 12.

Then, the liners 8, 8 coated with adhesive, which are supplied to the upper and lower surfaces of this honeycomb-shaped core material 12, are crimped and bonded by a crimping device 10 and bonded to form a continuous core material 13. Thereafter, this core material 13 is cut into a predetermined length by a blade 15 attached to a frame 16 that moves at the same speed, resulting in a product 15.
This is the result.

In addition, in the above embodiment, the feeding speed of the first and second feeding rollers 4, 5 and both rollers 4, 5 are
Although the stretched length (honeycomb shape) of the core material 12 was set based on the distance between The change may be made by varying the position.

(e) Effects of the present invention As is clear from the above explanation, according to the core material manufacturing apparatus according to the present invention, if a core laminate of a predetermined size is bonded and supplied to the first feeding device, The core laminate is stretched into a honeycomb shape, allowing the desired core material to be produced continuously and at low cost.

[Brief explanation of drawings]

FIG. 1 is an explanatory perspective view of a core laminate, FIG. 2 is a schematic explanatory diagram of the core material manufacturing apparatus of the present invention, and FIG. 3 is a product made from the honeycomb-shaped core material of the core laminate in FIG. FIG. 4 is a perspective view of the cutting device. 3... Core laminate, 4... First delivery device, 5...
2nd feeding device, 6... liner supply device, 8... liner, 10... crimping device, 12... honeycomb-shaped core material, 13... core material, 14... cutter.

Claims (1)

[Claims] 1. A first feeding device that feeds out a core laminate formed by laminating a large number of standing strips in parallel and layered with adhesive applied to their front and back surfaces in a bird-like pattern, and from this first feeding device. send out at high speed,
a second feeding device that stretches the core laminate to form a honeycomb-shaped core material using the difference in feeding speed from the first feeding device; and a second feeding device that stretches the core laminate to form a honeycomb-shaped core material; It is characterized by being comprised of a liner supply device that supplies the material onto the upper and lower edges of the material, and a crimping device that is driven at the same speed as the second feeding device and crimps the upper and lower liners to the honeycomb-shaped core material. Core material manufacturing equipment.