JPH0251376B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a foam-type foam waste removal device,
More specifically, a plurality of foaming molds each having a vent hole in the upper mold are arranged so as to be movable in a fixed direction, and a spatula part is arranged so as to be able to press against the outer surface of the upper mold. The present invention relates to a foaming type foam waste removal device.

(Prior art) When molding a foam by injecting a foam stock solution into a foaming mold, foaming gas and foam often come out from the vent hole in the upper mold, and a so-called urethane pan is placed near this vent hole. Foam debris was formed which had to be removed after each foam molding.

Removal of foam waste has traditionally been done manually, and the environment has been improved because foaming gas and chemicals such as mold release agents generated during foaming have an adverse effect on the human body, and the work is performed under high temperature and high humidity, creating a poor environment. It was necessary to install equipment such as

(Problems to be Solved by the Invention) When foam waste is removed manually, there is a risk of harmful effects to the human body due to the poor working environment, and there is a need for expensive equipment costs such as environmental maintenance. need,
Furthermore, since it is a manual process, it has the disadvantage that it is not possible to improve work efficiency.

(Objective of the invention) The present invention mechanizes the removal work of foam debris that may have a negative impact on the human body, eliminates manual work, reduces equipment costs, and improves work efficiency. It is an object of the present invention to provide a foaming type foam debris removing device which is simple in construction, capable of reliably removing foam debris, and has excellent safety and economical efficiency.

(Means for Solving the Problems) The present invention has been made in view of the above-mentioned problems, and its feature is that a plurality of foaming molds having vent holes in the upper molds move in a fixed direction. A foam-type foam debris removal device is provided on a foam-type device arranged to allow the foam to be removed, the removal device having a cylinder mechanism placed on a base, and the cylinder mechanism A spatula part is attached to the tip of a continuous rod that can move forward and backward, and when one end of the upper mold moves to the front of the spatula part, the cylinder mechanism is activated, the tip of the spatula part is pressed against the upper mold, and the upper mold is Foam debris adhering to the vicinity of the vent hole is removed by the movement of the foam mold, and when the other end of the upper mold moves in front of the spatula section, the cylinder mechanism operates to retreat the spatula section. The point is that it is done like this.

(Function) The present invention sequentially operates the cylinder mechanism corresponding to a plurality of foaming molds, and moves the spatula part forward and backward.
As the foaming mold moves in a certain direction, the spatula part pressed against the upper mold of the foaming mold sequentially removes foam debris near the vent hole.

(Example) Hereinafter, a foaming type foam waste removal device according to the present invention will be described in detail with reference to the drawings.

FIGS. 1 and 2 schematically show an embodiment of the present invention, and this foam debris removal device 1
1 is used by disposing a plurality of foaming molds 2 consisting of an upper mold 3 and a lower mold 4 on one side of a foaming mold device 1 which is moved in a fixed direction by a conveyor (not shown) or the like. be. The foaming mold 2 has been foam-molded in the previous step, and the upper mold 3 of the foaming mold 2 is opened and is sequentially transferred to pass in front of the removing device 11. A plurality of vent holes 5 are formed in the upper mold 3, and a frame-shaped portion 6 is formed on the outer peripheral edge.

FIG. 2 shows a schematic side view of a foam debris removal device 11, which has a base 13 supported by a pair of support rods 12 of a suitable height. A rotation mechanism 14 having a shaft portion 15 in the vertical direction is provided approximately at the lower center of the base 13 . The rotation of the rotation mechanism 14 is normally regulated by a shear pin 16 that is locked to the upper part of the base 13 and the support rod 12, and the rotation of the base 13 is prevented and the front of the base 13 is It is made to face.

A cylinder mechanism 22 is fixed to the upper part of the base 13 via a bracket 21. Although a detailed explanation of this cylinder mechanism 22 will be omitted, a piston part (not shown) moves forward and backward by hydraulic control etc., and a connecting rod 23 connected to this piston part can move forward and backward in the direction in which the foaming mold 2 passes. It stands out like that. Further, a guide section 24 is disposed at the upper part of the cylinder mechanism 22 along the longitudinal direction of the cylinder mechanism 22, and a guide rod 25 of this guide section 24 is connected to the cylinder mechanism 22.
The connecting rod 23 and the guide rod 25 are connected by a rod 26 to prevent rotation of the connecting rod 23 in the axial direction.

A spatula portion 31 is attached to the tip of the connecting rod 23, and the spatula portion 31 is formed in a plane or in a V-shape in cross section, as shown in FIGS. 3 and 4. That is, the spatula part 31 holds a pair of large and small fixing members 32 and 33 each having a substantially V-shaped cross section.
The spatula 34 and 35 are made of rubber or other soft material and are sandwiched between two spatulas 34 and 35, and one of the spatulas 34 is further formed with a protruding claw portion 36. The outer fixing member 32 and the inner fixing member 33 are fixed with bolts 37 and nuts 38 with spatulas 34 and 35 sandwiched therebetween. A mounting portion 41 having a circular hole 42 is formed at approximately the center position in the vertical direction of the outer fixing member 32, and this mounting portion 41 is connected to an angle adjustment mechanism 43 formed at the tip of the connecting rod 23. There is.

The angle adjustment mechanism 43 includes a pivot portion 44 that fits into the circular hole 42 and a pair of upper and lower stoppers 45, and adjusts the angle of the fixing members 32 and 33 of the spatula portion 31 to the mold opening angle of the upper mold 3 of the foaming mold 2. It is designed so that it can be adjusted accordingly.

Further, the tip of an air pipe 47 is introduced into the fixing member 33 side inside the spatula part 31, the other end of this air pipe 47 is connected to an air supply device (not shown), and the middle part of the air pipe 47 is formed into a coil shape. It is formed so that it can respond to the movement of the spatula part 31 back and forth.

The foaming mold device 1 includes a first detection unit 7 comprising a limit switch or the like that detects when one end of the plurality of foaming molds 2 is sequentially located on the front side of the removal device 11;
A second detection section 8 consisting of a limit switch or the like is provided to detect when the other end of the foaming mold 2 is located on the front side, and the first and second detections from the first and second detection sections 7 and 8 are Based on the signal, cylinder mechanism 2
2 is activated, the first detection signal causes the connecting rod 23, the guide rod 25, and the spatula part 31 to move forward, and the second detection signal causes the connecting rod 23, the guide rod 25, and the spatula part 31 to retreat. being done. Also, based on the first detection signal, the air supply device is activated,
Air is supplied to the air pipe 47.

The structure of one embodiment of the foaming type foam waste removal device according to the present invention is as follows. Now, a foam is molded by a plurality of foaming molds 2, and with the upper mold 3 opened, When the mold is transferred, the cylinder mechanism 22 is actuated by the first detection signal from the first detection section 7, and the spatulas 34 and 35 of the spatula section 31 are pressed inside the frame section 6 of the upper mold 3. , and foaming type 2
Foam debris 10, so-called urethane pan, leaked from the vent hole 5 by movement of the foam in a certain direction is scraped off and removed. The foam debris 10 is caused to fall downward by the air supplied from the air pipe 47, and is prevented from accumulating in the lower part of the frame portion 6 of the upper mold 3. Further, since the spatulas 34 and 35 of the spatula portion 31 are formed in a V-shape, it is possible to insert the spatula 34 and 35 up to the end of the frame portion 6 of the upper mold 3. In addition, the foam debris 10 firmly adhered to the claw portion 36 fixed to the spatula 34
It is scraped off and removed.

Next, the cylinder mechanism 22 is actuated by the second detection signal from the second detection section 8, and the spatula section 31 is retracted. Subsequently, when the rear foaming mold 2 moves, the upper mold 3 of the foaming mold 2 moves in the same manner as described above.
Foam debris 10 adhering to the foam is successively removed.
Furthermore, if a load greater than a predetermined load is applied to the spatula part 31 side, the shear pin 16 will break, the rotation mechanism 14 will operate, and the base 13 will rotate, so there is no risk of damaging the cylinder mechanism 22 side. .

(Effects of the Invention) According to the present invention, it is possible to mechanize the removal work of foam debris that may have a negative impact on the human body, and eliminate manual work, thereby reducing equipment costs such as environmental maintenance. A foam type foam waste removal method that can significantly improve work efficiency, has a simple structure, can reliably remove foam waste, and is highly safe and economical. You can get the equipment.

[Brief explanation of drawings]

FIGS. 1 and 2 each schematically show an embodiment of a foam-type foam waste removal device according to the present invention, and FIG. 1 shows the relationship between the foam-type device and the foam waste removal device. FIG. 2 is an explanatory side view of the foam debris removal device, and FIGS. 3 and 4 are enlarged perspective views of the spatula part. In the figure, 1... foaming type device, 2... foaming type, 3...
... Upper mold, 5 ... Vent hole, 7, 8 ... First and second detection section, 10 ... Foam waste, 11 ... Foam waste removal device, 13 ... Base, 14 ... Rotating mechanism, 15... Shaft portion, 22... Cylinder mechanism, 23
……Continuous rod, 24…Guide part, 25…Guide rod, 26…Rod, 31… Spatula part, 32,3
3... Fixed member, 34, 35... Spatula, 47...
air pipe.

Claims (1)

[Scope of Claims] 1. A device for removing foam debris from foam molds, which is installed in a foam mold device in which a plurality of foam molds each having a vent hole in an upper mold are disposed so as to be movable in a fixed direction. In this case, the removing device has a cylinder mechanism placed on a base, a spatula part is attached to the tip of a connecting rod of the cylinder mechanism, and one end of the upper mold is moved in front of the spatula part. The cylinder mechanism is activated to press the tip of the spatula against the upper mold, and the foam debris adhering to the vicinity of the vent hole of the upper mold is removed by the movement of the foam mold, and the other end of the upper mold is removed. A foaming-type foam waste removing device, characterized in that when the spatula section moves forward, the cylinder mechanism is activated to move the spatula section back. 2. The foam-type foam waste according to claim 1, wherein the spatula part is formed in a V-shaped cross section, and the open side of the V-shaped part is pressed against the upper die. removal device. 3. The foam according to claim 1, characterized in that a guide portion having a guide rod is formed along the cylinder mechanism, and the connecting rod of the cylinder mechanism is connected to the guide rod via a rod. Mold foam waste removal device. 4. The base is attached to the top of a rotation mechanism whose rotation is normally regulated, and when a load greater than a predetermined load is applied to the spatula part side, the rotation mechanism is activated and the base can rotate. A foaming type foam waste removing device according to claim 1, characterized in that the device is configured as follows. 5. The foaming type foam waste removal device according to claim 2, wherein a tip of an air pipe connected to an air supply device is introduced inside the spatula portion.