JPS5835443B2 - How to insert filler into paper honeycomb - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for inserting a filler into a paper honeycomb (porous structure).

Paper honeycomb is used as a core material for residential panels, but in order to improve the heat insulation and sound insulation properties of panels using paper honeycomb, it is necessary to insert a filler inside the honeycomb.

When using rock wool insulation material or glass wool insulation material as a filler, there is no easy way to insert the insulation material because it is an aggregate of fibers.

Although it is not impossible to insert it manually, it requires a great deal of labor and time, making it impossible to improve productivity.

The present invention was made in view of these points, and aims to provide a method for inserting a filler that allows for good insertion of the filler and is advantageous in terms of equipment space. rock wool insulation material, glass wool insulation material, etc.)
are stacked on both sides or one side of the paper honeycomb, and fed into an insertion device composed of a rubber belt and a rolling roller. Pressure is applied to the filler by the rolling rollers (plurality) via the rubber belt, and the filling material is folded into paper. The paper is characterized by being sheared by a honeycomb edge and inserted into the paper honeycomb.

Embodiments of the present invention will be described below with reference to the drawings.

The conventional insertion method is shown in FIG.

This method uses a filling material such as rock wool that is transported horizontally.
1 is directly sheared and inserted into the paper honeycomb 23 by the pressure of the reduction roller 22.

When actually carrying out an insertion test using this method, it was found that depending on the type of filler, the number of steps of the rolling down roller, that is, the number of roller passes, may be required to be extremely large.

That is, if the pressure of the rolling-down roller exceeds the proof stress limit of the paper honeycomb edge, the honeycomb edge will be damaged, making it impossible to shear and insert the filler into the damaged area.

Therefore, if the roller reduction blade is kept within the yield strength limit of the honeycomb edge, the number of roller baths given to the filler will increase until the shear insertion is completed.

As an example, rock wool heat insulation board No. 2 (density o,
oB/cd) with a thickness of 25 mm and inserted into a paper honeycomb core size 25, the result was about 10 passes under the best rolling conditions.

Therefore, in a continuous production line, at least 10 or more stages of rolling down rollers are required, and the weight and occupied area of the insertion device are very large (which results in a disadvantage that a large amount of equipment construction cost is required).

The method of the present invention was invented to solve the above-mentioned drawbacks, and is more economical than the conventional method because it is lighter in weight and requires less space.

The insertion device for carrying out this method is as shown in FIGS. 2 and 3, and there are rubber conveyor belts (4, 4') arranged symmetrically at intervals above and below, and each rubber belt is Driven by belt drive pulley 5.5', end pulley 6.6' and tension pulleys γ, γ
It is constructed in an endless manner.

Inside the lower rubber belt conveyor 4', rolling down rollers 10 are disposed in as many stages as necessary for shearing the filler.

The rolling down roller 10 has a small roller diameter and a narrow roller pitch in consideration of economical efficiency.

Therefore, backup rollers 11 and 11' are required to regulate the deflection of the roller 10, and a lower roller mounting frame 12 is also required.

Rolling down air cylinders 13,13' are arranged at both ends of the lower roller mounting frame 120 to provide the roller with the necessary rolling edge.

The reduction blade can be freely adjusted by controlling the air pressure with a pressure regulating valve.

Further, the lower roller mounting frame 12 is guided by frame guides 19, 19', and the stroke end position is regulated by position-adjustable end stops 14, 14'.

The upper rubber belt conveyor 4 also has a fixed rolling roller 8, a backup roll 92g, and an upper roller mounting frame 15, but the rolling cylinder is unnecessary and is not used, and the upper roller mounting frame 15 is used for frame positioning. It is fixed in place by a bolt and nut 16, 1σ.

20,2σ is the upper frame guide.

Further, the number of stages of the upper rolling roller 4 corresponds to that of the lower roller 4.

In this method, the rolling down air cylinder 13° 13' is used for the lower roller 4, but it may also be used for the upper roller 4.

In that case, lower roller 4' is fixed.

It is also possible to use a coil spring instead of the air cylinder for rolling down and to perform rolling by the reaction force of the spring.

Furthermore, an inlet roller table 3.3' is provided on the inlet and outlet sides of the insertion device.

J, there are roller tables 18, 18' on the exit side.

Next, the operation of the present invention will be explained.

The fillers 2 and 2' are stacked on the upper and lower surfaces of the paper honeycomb 1 and sent to the above-mentioned insertion device by the roller table on the inlet side, and while passing through the insertion device, a plurality of rolling down rollers are passed through the rubber bell) The fillers 2 and 7 are sheared and inserted into the paper nicum 1 using 8°100 pressure.

The paper honeycomb that has been inserted is carried out by the exit side roller tables is, is', but at this time, the rollers 17 and 17' for deep insertion of the filler make sure that the outer surface of the filler is at the same level as the end face of the honeycomb edge. what you had,
Push it several millimeters into the honeycomb.

This was done in consideration of adhesion when bonding the surface plate to the honeycomb in a later process.

The rollers 17 and 17' for deep insertion of the filler have brush-like protrusions planted on the surface of the roller.

In the description of this method, the filler is inserted into both the upper and lower surfaces, but it is also possible to insert the filler into only one of the upper and lower surfaces.

Moreover, there is no problem even if the paper honeycomb and the filler are continuous bodies.

As explained above, ``In the conventional method of directly rolling down and inserting the filler material using a reduction roller...If the pressure applied to the filler material by the reduction roller exceeding the proof stress limit of the honeycomb edge is applied to the filler material, the honeycomb edge may be damaged. As a result, it becomes impossible to shear and insert the damaged part. Therefore, the roll-down rollers are divided into multiple stages and the roll-down blade of each roll-down roller is set to within the stress limit of the honeycomb edge, and the filler is inserted in stages. In some cases, this number of stages was required to be extremely large.

In contrast, in the present invention, since a rubber belt is interposed between the filler and the reduction roller, the reduction blade is buffered to some extent by the elastic force of the rubber belt.

Therefore, breakage of the honeycomb edge is less likely to occur than in the case of the conventional method, so that the reduction blade can be made higher than in the case of the conventional method, and as a result, the number of stages of the reduction roller can be reduced considerably compared to the case of the conventional method.

In addition, according to this method, the drive device is independent of the number of rolling rollers and only one pair is required at all times, and the diameter of the rolling rollers is small, so the roller pitch can be made small. This is a very compact and economical facility compared to conventional methods.

[Brief explanation of the drawing]

Figure 1 A 2 ports are a perspective view and a side view showing the conventional insertion method;
FIGS. 2 and 3 are a side view and a sectional view showing an example of an insertion device for carrying out the present invention. 1...Paper honeycomb, 2,2'...JW,
3. 3', 3'...Inlet side roller chiffle, 4,4'.
...Rubber conveyor belt, 5, 5'... Belt drive pulley 6, 6'... End 7'-! J-7, 7'
...Tension pulley, 8...Upper fixed roller 92g...Backup roller for upper roller,
10...lower rolling roller, 11, 11'...
Backup roller for lower roller, 12... Frame for lower roller attachment, 13.13'... Air cylinder for rolling down, 14... End stopper for rolling down roller 15... Frame for upper roller attachment, 16
, 16'... Upper roller mounting frame positioning bolt and nut, 17, 17'... Roller for deep insertion of filler, 19.19'... Lower frame guide, 20,2σ... Upper side frame guide.

Claims (1)

[Claims] 1 Paper honeycomb and filler are fed between rubber belt conveyors installed vertically symmetrically, and pressure is applied to the filler via the rubber belt by pressure from a rolling roller installed inside the belt conveyor to fill the paper honeycomb. A method for inserting a filler into the inside of a pH-2 cam, which comprises shearing the material at the edge of the paper honeycomb and filling the inside of the S paper honeycomb.