JP2014046385A - Cutting work device of foaming synthetic resin material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cutting work device of a foaming synthetic resin material capable of taking out a plate material whose thickness changes in the lateral direction and the longitudinal direction from a block material.SOLUTION: The cutting work device of the foaming synthetic resin material of the present invention is provided with a cutting work tool 9 having first and second cutting work guide plates 19a and 19b respectively installed on opposed side surfaces of the block material 100 composed of a foaming synthetic resin, first and second electric heating wire support bars 10a and 10b and an electric heating wire 12 extended between the first and second electric heating wire support bars 10a and 10b, and takes out the plate material of a predetermined shape from the block material 100 by the current-carried electric heating wire 12 by guiding the electric heating wire 12 by the first and second cutting work guide plates while moving the block material 100.

Description

  The present invention relates to a foaming synthetic resin material cutting apparatus for cutting a block material made of a foaming synthetic resin into a plate material having a predetermined shape.

  Foamed synthetic resin materials such as foamed polystyrene are widely used in various industrial fields, and particularly in the construction industry, they are used as building materials such as heat insulating materials and roof materials.

  As shown in FIGS. 6 and 7, a conventional foaming synthetic resin material cutting apparatus includes a pair of electrode rods 53 in which a required number of heating wires 51 are arranged on the left and right (or top and bottom) of a conveying means 52 such as a conveyor. A block material 54 made of a foamed synthetic resin such as foamed polystyrene is passed between the electrode rods 53 by the conveying means 52, and the block material 4 is energized by a heating wire 51 energized. According to the application, it was fused to a small block material or plate material.

JP-A-11-156800

  By the way, when using a foaming synthetic resin material, for example as a heat insulation board material of a balcony, it is necessary to change the thickness of a heat insulation board material to the left-right direction and the front-back direction according to the inclination of a balcony.

  However, as can be seen from FIG. 7, the conventional cutting synthetic resin material cutting apparatus is cut out from the block material 54 by shifting the positions of both ends of the heating wire 1 spanning the left and right electrode bars 3 up and down. Although the thickness in the left-right direction of the heat insulating plate material can be changed, the thickness in the front-rear direction cannot be changed. That is, when the heat insulating plate material cut out from the block material 54 is viewed from the right side surface or the left side surface in FIG.

  Therefore, the present invention provides a cutting synthetic resin material cutting apparatus capable of cutting a plate material whose thickness changes from the block material in the left-right direction and the front-rear direction, in other words, cutting the block material at an arbitrary plane. It aims at providing the cutting processing apparatus of the foaming synthetic resin material which can be performed.

  In order to solve the above-described problems, a cutting synthetic resin material cutting apparatus according to the present invention includes a pair of cutting processing guide plates respectively attached to opposite side surfaces of a block material made of a foaming synthetic resin, and extends in the vertical direction. A cutting tool having a pair of heating wire support rods and a heating wire stretched between the pair of heating wire support rods via a stretchable spring, and the heating wire from the front surface of the block material Moving means for moving the block material relative to the cutting tool so as to pass toward the rear surface, and the pair of cutting guides while moving the block material by the moving means By guiding the heating wire by a plate, a plate material having a predetermined shape is cut out from the block material by the heated heating wire.

  ADVANTAGE OF THE INVENTION According to this invention, the cutting processing apparatus of the foaming synthetic resin material which can cut out the board | plate material from which thickness changes to the left-right direction and the front-back direction from a block material can be provided.

It is a front view of the cutting processing apparatus of the foaming synthetic resin material in embodiment of this invention. It is a right view of FIG. It is a perspective view which shows the mode of the cutting process by the cutting processing apparatus of the foaming synthetic resin material in embodiment of this invention. It is a front view which shows the mode of the cutting process by the cutting processing apparatus of the foaming synthetic resin material in embodiment of this invention. It is a perspective view which shows the board | plate material cut out from the block material by the cutting processing apparatus of the foaming synthetic resin material in embodiment of this invention. It is a top view of the cutting processing apparatus of the foaming synthetic resin material in a prior art example. FIG. 7 is a left front view of FIG. 6.

  FIG. 1 is a front view of a foaming synthetic resin material cutting apparatus according to an embodiment of the present invention, and FIG. 2 is a right side view of FIG. FIG. 3 is a perspective view showing a state of cutting. FIG. 4 is a front view showing a state of the cutting process.

  As shown in FIGS. 1 and 2, the base 1 is movable on the floor surface by wheels 2, and a conveyor support bar 3 is erected in the vertical direction from the rear end of the base 1. The conveyor 4 (an example of the “moving means” of the present invention) is disposed between the upper end of the conveyor support bar 3 and the base 1 between the front ends, and is inclined downward from the horizontal direction.

  A large number of conveying rollers 5 are attached between the pair of frames 4 a extending in the longitudinal direction of the conveyor 4 at a predetermined interval. A block material 100 made of a foaming synthetic resin such as foaming polystyrene is placed on the conveyor 4, and the block material 100 is lowered on the conveyor 4 by its own weight. A stopper 6 for preventing the block material 100 from sliding off from the front end portion of the conveyor 4 is attached to the front end portion of the conveyor 4.

  On the other hand, a pair of support pillars 7 and 7 are erected in the vertical direction from near the center in the front-rear direction of the base 1, and a ceiling bar 8 is stretched horizontally on the upper ends of both supports 7. A cutting tool 9 for cutting the block material 100 is suspended from the ceiling bar 8.

  The cutting tool 9 includes a U-shaped support frame 10 having first and second heating wire support bars 10a and 10b extending in the vertical direction, and first and second heating wire support bars 10a and 10b. A heating wire 12 made of a nichrome wire or the like suspended between the tip portions, and wheels 11, 11 attached between the side surfaces of the first and second heating wire support rods 10a, 10b and the support columns 7, 7. ,have.

  A telescopic tension spring 13 must be connected between the heating wire 12 and the first heating wire support rod 10a (or the second heating wire support rod 10b). This is to absorb the tension applied to the heating wire 12 when the block material 100 is cut and to prevent the heating wire 12 from being disconnected. A power source with a switch is connected to both ends of the heating wire 12, and the heating wire 12 is energized by turning on the switch.

  The inside of the columns 7 and 7 is a guide rail that travels in contact with the wheels 11. Thereby, the cutting tool 9 can be moved in the vertical direction along the columns 7.

  A first pulley 14 is attached to the upper surface of the central portion of the support frame 10, a second pulley 15 is attached to the ceiling bar 8, and a third pulley 16 is attached to the upper end of one of the columns 7. It has been. One end of the pulley belt 17 is fixed to the ceiling bar 8, and the pulley belt 17 is stretched around the first to third pulleys 14, 15, and 16. A weight 18 is suspended from the other end of the pulley belt 17. By adjusting the weight of the weight 18, the load of the cutting tool 9 can be adjusted.

  As shown in FIGS. 3 and 4, first and second cutting guide plates 19 a and 19 b are attached to the side surfaces of the block member 100 facing each other in order to guide the heating wire 12. The first and second cutting processing guide plates 19a and 19b are provided with openings near both ends in the longitudinal direction, and a stopper 20 such as a nail is inserted into the surface portion of the block material 100 through these openings. Thus, the first and second cutting guide plates 19a, 19 can be fixed and positioned.

  That is, the positions of the contacts a and b between the upper surface of the first cutting guide plate 19a attached to one side surface of the block member 100 and the end of the side surface, and the first attached to the opposite side surface of the block member 100. The positions of the contacts c and d between the upper surface of the second cutting guide plate 19b and the end of the side surface are determined.

  Then, the block material 100 is moved obliquely downward by the conveyor 4, and the heated heating wire 12 is guided to the front surface of the block material 100 while guiding the heating wire 12 on the upper surfaces of the first and second cutting guide plates 19a and 19b. To the rear surface, and the block material 100 is melted. Since the block material 100 descends slowly due to its own weight, no power source is required. FIG. 3 shows a state in which the cutting with the heating wire 12 has progressed partway, and A1 and A2 in the drawing indicate positions where the heating wire 12 and the upper surfaces of the first and second cutting guide plates 19a and 19b are in contact with each other. ing.

  In this case, the heating wire 12 passes through a plane passing through the four contacts a, b, c, d defined by the first and second cutting guide plates 19a, 19b. FIG. 5 is a perspective view showing the shape of the plate material 101 cut out from the block material 100. Thus, according to the cutting apparatus of the present embodiment, the positions of the contacts a, b, c, d can be set as appropriate, so that the three-dimensional thickness changes from the block material 100 in the left-right direction and the front-rear direction. The plate 101 having a shape can be cut out. In other words, according to the cutting apparatus of the present embodiment, the block material 100 can be cut along an arbitrary plane that passes through both side surfaces thereof.

  In this case, in order to appropriately guide the heating wire 12 by the first and second cutting guide plates 19a and 19b, the load of the cutting tool 9 is applied to the first and second cutting processing via the heating wire 12. It is preferable to add appropriately to the guide plates 19a and 19b. The load can be adjusted by the above-described moving pulley mechanism. Further, although tension is applied to the heating wire 12 at the time of cutting, the above-described tension spring 13 is connected so that the tension does not become excessive.

  Further, at the start of cutting, in order to appropriately guide the heating wire 12 by the first and second cutting processing guide plates 19a and 19b, the first and second cutting processing guide plates 19a and 19b have the tip portions thereof. The block member 100 is preferably attached so as to protrude from the front surface. Thereby, at the start of cutting, the heating wire 12 is guided from the protruding tip portions of the first and second cutting processing guide plates 19a and 19b and enters the block material 100, so that the cutting processing accuracy is improved. Can do.

  In this embodiment, the block material 100 is moved with respect to the cutting tool 9 by using the inclination of the conveyor 4. However, the block material 100 is moved in the horizontal direction, and similarly, the first and second components are moved. The heating wire 12 may be guided by the cutting process guide plates 19a and 19b. Further, since the movement of the block material 100 relative to the cutting tool 9 is relative, conversely, the position of the block material 100 is fixed, the cutting tool 9 is moved, and the first and second cutting guides are moved. The heating wire 12 may be guided by the plates 19a and 19b.

DESCRIPTION OF SYMBOLS 1 Base 2 Wheel 3 Conveyor support bar 4 Conveyor 5 Carrying roller 6 Stopper 7 Support column 8 Ceiling bar 9 Cutting tool 10 Support frame 10a First heating wire support rod 10b Second heating wire support rod 11 Wheel 12 Heating wire 13 Tension spring 14 First pulley 15 Second pulley 16 Third pulley 17 Pulley belt 18 Weight 19a First cutting guide plate 19b Second cutting guide plate 20 Stopper

In order to solve the above-described problems, a foamed synthetic resin material cutting apparatus according to the present invention includes a pair of cutting guide plates attached to opposite side surfaces of a block material made of foamed synthetic resin, and extends in the vertical direction. A cutting tool having a pair of heating wire support rods, and a heating wire stretched between the pair of heating wire support rods via a stretchable spring, and the pair of heating wires of the cutting tool A pair of struts for guiding the support bars in the vertical direction, a ceiling bar horizontally spanning the upper ends of the pair of struts, and the cutting tool suspended from the ceiling bar via a pulley belt, the pulley A moving pulley mechanism configured to be able to adjust the load of the cutting tool applied to the cutting guide plate by a weight suspended from an end of a belt, and a conveyance roller inclined from a horizontal direction, and the heating wire Above To pass toward the rear surface from the front surface of the lock member, and a moving means for moving downward by its own weight the block material, while the block member is moved by said moving means, said pair of cutting guide By guiding the heating wire by a plate, a plate material having a predetermined shape is cut out from the block material by the heated heating wire.

Claims (4)

A pair of cutting processing guide plates respectively attached to opposing side surfaces of the block material made of foam synthetic resin;
A cutting tool having a pair of heating wire support rods extending in the vertical direction, and a heating wire stretched between the pair of heating wire support rods via a telescopic tension spring;
Moving means for moving the block material relative to the cutting tool so that the heating wire passes from the front surface to the rear surface of the block material;
While the block material is moved by the moving means, the heating wire is guided by the pair of cutting guide plates, and a plate material having a predetermined shape is cut out from the block material by the energized heating wire. Cutting processing equipment for foaming synthetic resin.   2. The foaming synthetic resin material cutting apparatus according to claim 1, wherein the pair of cutting processing guide plates are attached so that tip portions thereof protrude from a front surface of the block material.   The cutting synthetic resin material according to claim 1 or 2, wherein the moving means includes a conveyance roller inclined from a horizontal direction, and the block material moves downward on the conveyance roller by its own weight. Processing equipment.   4. A cutting synthetic resin material cutting apparatus according to claim 1, further comprising a movable pulley for suspending the cutting tool.

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