JP2561613B2 - Adhesive separating method and apparatus for stacking thin plates - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to the immersion of an adhesive or the like between the deposited layers.
In Jun deposits thin plywood or the like somewhat deposited during the production process, which exhibits an adhesive state by the material of the thin plate unwinding to sequentially latter step from that of the top surface feeding step, the adhesive separating the thin deposition layers The present invention relates to a method and an apparatus thereof.

[0002]

2. Description of the Related Art Conventional deposition layers are used as infiltrating substances such as adhesives.
Therefore, the feeding operation of this type of thin plate, which is a process in which the deposit of thin plates such as veneer plywood that is deposited during the production process that is somewhat adhered to the uppermost surface is sequentially processed to the subsequent process,
Automatically peels off the adhesive state over a wide area between the deposited layers
The interlayer for each sheet fielding in Suyo is to pay out it as secure after the state of being completely separated very
Because it was difficult to, many of which relied on the feeding work of artificial thin plate was sprinkled with peeling work of the inter-layer separation by Tesabaki workers.

In addition, in order to automate the labor-saving process and save labor, high-pressure air is automatically adsorbed when the thin plate on the uppermost surface of the stack is automatically adsorbed in the feeding operation of this type of thin plate to separate the layers. Spraying from one edge of the stack to separate the layers . For example, an air blast for interlayer separation is blown from one edge of the stack as disclosed in Japanese Patent Publication No. Sho 61-253. give to achieve separation of the layers, the or automatic interlayer separation method of the thin sediment was deposited as such plywood
Although it is not a large number of thin plates, it can be used like foam concrete.
Adsorption transfer of slab-shaped sections immediately after being cut with plasticity
When moving it, blow gas from both edges along the cut surface.
Gives a peeling effect to the cut part and the remaining part,
For example, a method of lifting a section of Japanese Examined Patent Publication No. 6-6284
And the cut parts and residue as disclosed in the device.
Cut slab to give a peeling effect to the area
The gas is directed between the layers from both edges along the cut surface of the strip.
Slab-like section immediately after cutting, blown only once.
Various automatic layer separation methods have also been tried.

[0004]

However, the above-mentioned conventionally known thin plate deposits and the slab immediately after being cut are as described above.
Jo of even by the automatic interlayer separation method such sections, many of the deposits in the production process in such plywood, hot pressing
Immersion of resins such as was contained in the adhesive or in the material infiltrated between layers with water from being slightly material in about the heat-pressure by an equal
By natural cooling Jun materials, since the deposition layers are solidified integrally while exhibited partial bonding status over a wide area, Wataru deposited layers by infiltration material such as this type of adhesive is a wide area
It is difficult to safely and reliably achieve the delamination operation of the partially adhered thin plate deposit , and the above-described conventionally known air blast is blown from one edge of the deposit or the gas is blown.
Remarkably the positive motion of the lack Kukoto is simply blown extent of interlayer separation method once from both side edges along the cutting plane, the
Spray from one edge by air blasting or above
A single blow from both edges of the body between the layers is sufficient.
All layers cannot be separated and multiple thin plates are drawn out at the same time.
Because of the frequent occurrence of such emergency situations, the process efficiency is low, and there is a possibility that the delivered product may be damaged.

Therefore, according to the present invention, the above-mentioned deposition layers are not separated from each other.
In the feeding process of the thin plate, the deposit of the thin plate such as veneer plywood, which is deposited during the production process, which is in a state of being somewhat adhered by the infiltrating substance such as the adhesive, is sequentially fed from the uppermost one to the subsequent process to be processed. A high-pressure air blowing member having a sponge-shaped abutting surface is pressed against and abutted against a high-pressure air blowing area that covers a plurality of thin plates formed in the vicinity of the central portion on both the left and right sides of the deposit feeding direction. Te, a high pressure air every time the feeding operation from the blow member crowded blown <br/> repeating the blowing area of the thin deposit, so peeled off several times repeatedly bonding state of the plurality of thin plates in該吹write area Therefore, the process efficiency is improved by significantly increasing the accuracy of the inter-layer separation operation of thin plate deposits such as veneer plywood that is deposited during the production process in which this type of deposition layer has some adhesion. Improve the product of feeding process The purpose is to prevent damage.

[0006]

In order to achieve the above object, the present invention comprises an adsorption pad for adsorbing the uppermost sheet of the thin plate stack and pulling it up to the conveying surface of the adsorption conveyor to start the feeding operation. and feeding mechanism of the sheet, a plurality formed in the vicinity of the substantially central portion of the right and left sides of the feeding direction of the sheet deposit
Corresponding to the high-pressure air blowing area on the thin plate
And a pair of left and right sponge-like abutting surfaces that are reciprocally movably installed from the side, and is configured as an adhesive separating means between the deposition layers of the thin plates.

[0007]

[Function] In the continuous manufacturing process of thin plates such as veneer plywood, the thin plate deposits during the production process, which are accumulated while the material temperature is not sufficiently cooled by the hot pressing process by hot pressing, are Adhesive that has penetrated between layers with moisture from the
And, natural infiltration material resins such as was contained in the Material
It is often observed that the deposited layers are solidified over a wide area with partial adhesion by cooling .
When a thin plate deposit of this kind is fed to the subsequent process, for example, the putty repair process for secondary processing, etc., in order from the topmost one, the air blast is blown from one edge of the conventional method.
Or to blow gas only once between layers from both edges.
The interlayer separation method, since the adhesive separating the deposited layers over a large number of wide area becomes extremely poor, the present invention is thin sedimentary
The high-pressure air blowing area for the product is
Near the center of the left and right sides of the feeding direction, and
Set it in the blowing area over multiple thin plates of the product,
The feeding operation is performed between the multiple stacking layers formed by multiple thin plates.
By feeding high pressure air repeatedly each time, the feeding operation is performed.
The high pressure air which is repeated several times per unit layer
Due to the effect of expansive rupture force between the deposition layers,
The above-mentioned partial adhesion state per unit layer was repeated several times.
It is configured to be peeled off.

Namely adhesion separation method of the present invention, spraying or from one edge by conventional air blast, the gas
By blowing only about once into the interlayer from both side edges by, single
Instead of using a few sheets, a method of separating the adhesion between the deposition layers in a narrow range, from a blowing area of several cm ² of high pressure air that is applied to a plurality of thin plates formed in the vicinity of the center of both sides in the feeding direction of the thin plate deposition. By blowing high-pressure air of about several kg / cm ² for 0.5 seconds at the same time on the left and right sides of the deposition layer each time the feeding operation is performed, high-pressure air blown from the left and right sides of the feeding direction can be applied between the front and rear sides of the feeding direction. Diffusion is performed, and the expansion / breaking force due to the blowing of high-pressure air causes a wide range of the adhesion separating action between the deposition layers, and at least this wide range of the adhesion separating action between the deposition layers is performed during the ascending process of the deposition accompanied by the feeding operation. It is configured such that the unit layer is repeatedly performed several times in the blowing area over a plurality of thin plates .

In addition, the high-pressure air is blown into the deposition layer from the blowing area of the plurality of thin plates , so that the deposition state of the thin plates during the production process is slightly horizontal. Therefore, in order to ensure the inter-layer blowing operation of the high-pressure air from the blowing area that is applied to the plurality of thin plates on the side of the stack , the present invention blows the high-pressure air having a sponge-like contact surface. The member is equipped so that it can be pressed and abutted to the blowing area that is applied to a plurality of thin plates formed in the vicinity of the central portion on both the left and right sides in the feeding direction of the thin plate deposits , and from the vicinity of the blowing area that is applied to the plurality of thin plates . It is configured to surely blow high-pressure air into the deposition layer while preventing high-pressure air from leaking.

[0010]

1 and 2 show an example of an embodiment of a thin plate feeding apparatus to which the present invention is applied, in which a thin plate deposit 1 such as veneer plywood is mounted on a table lifter 2. Although not shown, the table lifter 2 is controlled to be lifted and lowered by a level controller such as a photoelectric switch installed above the stack so that the table lifter 2 is always maintained at a predetermined stack height.

Next, the thin plate 3a on the uppermost surface of the stack is sucked up by the suction pads 4 in the vicinity of the central portion on both the left and right sides in the feeding direction, and is pulled up to the conveying surface of the suction conveyor 5 arranged above. Then, the feeding operation is started and the fed thin plate 3b is delivered to the subsequent process. The suction pad 4 is equipped with a suction blower 6 and a lifting air cylinder 7, and the suction conveyor 5
Is composed of a suction fan 5a, a suction box 5b, a suction roller 5c, and the like, and the suction pad 4 and the suction conveyor 5 are connected to each other to form a thin plate feeding mechanism.

Next, the high-pressure air blowing members 8a, 8b having a sponge-shaped contact surface, which constitutes the main part of the adhesive separating apparatus of the present invention, are substantially central portions on both left and right sides in the feeding direction of the thin plate deposit 1. A pair of left and right blowing members 8a, 8b are reciprocally movable from the side to a blowing area formed by a plurality of thin plates formed in the vicinity.
Each time the uppermost thin plate 3a of the stack is drawn out , high-pressure air of about several kg / cm ² is blown from the blowing area over the plurality of thin plates on both left and right sides of the stack to the stacking layer every time. The control circuit is configured so that the left and right sides are repeatedly blown simultaneously for about 5 seconds. As shown in FIGS. 4 and 5, the pair of left and right blowing members 8a, 8b has a hole 11 having a diameter of about 25 mm at the center of a soft airtight member such as a sponge 10 attached to the contact body 9. the blowing area exerted on approximately 5 cm ² about the plurality of sheets so as to form on both sides of the deposition, each capable of introducing the feeding operation of the high pressure air in the inlet pipe 12 to該吹write area, the control circuit In addition to the solenoid valve 13 connected to the inlet pipe 12, the contact body 9 is provided with a pair of air cylinders 14 that are simultaneously fed out from both left and right sides in the feeding direction of the thin plate deposit 1. It is erected integrally on the machine frame.
Further, the reason why the soft airtight member such as the sponge 10 is adhered to the abutting body 9 is that, as illustrated in FIG. 5, the deposition state of the thin plate deposits 1 deposited during the production process remains somewhat horizontal. Since it is often accumulated, it is possible to prevent high-pressure air from leaking from the vicinity of the blow-in area where the holes 11 of the sponge 10 and the like are formed on the plurality of thin plates formed on the side surface of the accumulation, and to ensure reliable high-pressure air between the accumulation layers. It is configured so as to inject.

[0013]

As described above, according to the present invention, a compound formed near the central portion on the left and right sides in the feeding direction of a thin plate deposit is formed.
A high-pressure air blowing member having a sponge-shaped abutting surface is pressed and abutted against the high- pressure air blowing area that is applied to several thin plates ,
High pressure air is repeatedly blown from the blowing member into the deposition layers of the thin plate deposits every time the feeding operation is performed, so that the adhesion state between the deposition layers is improved.
Repeated peeling several times from near the center of both sides of the deposit
Since those constructed as to, conventionally difficult even deposition layers interlayer separating operation of the sheet deposition plywood or the like somewhat deposited during the production process, which exhibits an adhesive state by the infiltration material such as an adhesive It is possible to increase the agility of
As a result, the process efficiency can be improved, and damage to the product in the feeding process can be prevented.

[Brief description of drawings]

FIG. 1 is a side view of an adhesive separating device applied to a thin plate feeding step.

FIG. 2 is a rear view of the same.

FIG. 3 is a cross-sectional plan view taken along the line AA of FIG.

FIG. 4 is a perspective view of a blowing member.

FIG. 5 is a partially cutaway side view showing a state in which the blowing member is pressed and brought into contact with a thin plate deposit.

[Explanation of symbols]

 1 Thin plate deposits 8a, 8b Blowing member

Claims (2)

(57) [Claims] 1. A sequentially subsequent deposition layers thin plate sediment plywood etc. deposited during production process and has a <br/> somewhat adhesive state by the infiltration material such as an adhesive from those of the top surface In the feeding process of thin plates to be fed to the process and processed, multiple sheets formed near the center of the left and right sides of the thin plate deposit feeding direction
A high-pressure air blowing member having a sponge-like contact surface is pressed against and in contact with the high- pressure air blowing area on the thin plate, and high-pressure air is blown from the blowing member to the front of the thin plate deposit every time the feeding operation is performed.
By blowing repeatedly in serial blowing area, double that in the blow area
A method for separating adhesion between stacked layers of thin plates, wherein the adhesion state of several thin plates is repeatedly peeled off several times . Wherein the feeding mechanism of the sheet provided with a suction pad adsorption to starting the feeding operation Te each time raised to the transport surface of the suction conveyor and having the highest upper surface of the sheet deposit, the feeding direction of the sheet deposit A compound formed near the center of the left and right sides
Accumulation corresponding to the high-pressure air blowing area over several thin plates
And a pair of left and right sponge-like abutting surfaces which are reciprocally movably installed on both sides of the sheet.