JPH02185400A - Heat cutter device - Google Patents

Abstract

PURPOSE:To easily perform the cutting of the material to be cut by providing a blade like cutter on the main body of a heat cutter device and fitting a heat for the cutter on this main body. CONSTITUTION:A cutter 44 of the cutting part of a felt, etc., is vertically erected and cutting is executed with melting the felt, etc., by heating the cutter by a heater 46. Consequently, the cutting in a curved line shape of a felt, etc., can easily be executed especially.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a heat cutter device, particularly for softening thermoplastic resin sheets, synthetic fiber cloth, felt, and the like.

[Conventional technology]

When cutting a company name, jersey number, etc. from a resin sheet, synthetic cloth, felt, etc., when cutting with a normal cutter, the cut surface will rumble. Further, in the case of a thermoplastic resin, for example, applying heat softens the thermoplastic resin and reduces cutting resistance, making high-speed cutting possible. Therefore, as shown in FIG. 18, a cylindrical heater 12 is provided at the tip 10A of the hand-held portion 10, and a cylindrical body 14 is placed over the heater 12.

A needle 16 is integrally formed at the tip end 14A of the cylindrical body 14. Therefore, when the heater 12 is heated, the needle 16 is heated through the cylindrical body 14, and the heated part of the needle 16 cuts the resin sheet, synthetic fiber cloth, felt, etc. while softening or melting it, so that the cut surface becomes roaring. can be prevented.

[Problem that the invention seeks to solve]

However, with a heat cutter device that heats the needle 16 to cut it, as shown in FIG. 18, unless the needle is tilted in the cutting direction (in the direction of the arrow), the tip of the needle 16 will get caught in the felt, etc. Since it cannot be cut smoothly, there is a problem in that when cutting into a curved shape, it is difficult to cut into the desired shape.

The present invention was developed in view of the above circumstances, and it is possible to cut felt, etc., while maintaining the heat cutter device vertically, so that felt, etc. can be easily cut into a desired shape. The purpose is to provide a heat cutter device that can be used.

[Means for solving problems]

In order to achieve the above-mentioned object, the present invention provides a heat cutter device that cuts materials to be cut, such as resin sheets, synthetic fiber cloth, and felt, while softening or melting them. , a heater that is provided on the heat cutter device body and transmits heat to the cutter.

[Effect]

According to the present invention, a cutter is used instead of a needle for cutting the felt, etc., and the cutter is heated with a heater to cut the felt, etc., so the felt, etc. can be melted while cutting while the cutter is held vertically. I can do it. Therefore, it is possible to easily cut felt, etc., especially in curved shapes.

〔Example〕

The following is a preferred first example of the heat cutter device according to the attached drawings.
Examples will be explained in detail.

As shown in FIG. 1, the heat cutter device 30 has a handle 32. As shown in FIG. The handle 32 is designed to insulate electricity.
Made of plastic material.

A ceramic plate 38 is attached to the flange 34 formed at the tip of the handle 32 via screws 36, 36, 36.
is fixed.

The ceramic plate 38 is made of a heat-insulating, electrically insulating material. Therefore, when in use, radiant heat from the cutter 44 is prevented, and as shown in FIG.
4 can be prevented from touching the desk. The tip metal fitting 40 is attached to the ceramic plate 38 with screws 42.42.4.
It is fixed via 2.

A groove 40A is formed in the tip fitting 42, and recesses 40B, 40B, which are enlarged grooves 40A, are formed at the lower end of the groove 40A. A heater 46 is attached to the recesses 1i'1lt40B, 40B via a heater holder 48. The heater holding plate 48 is attached to the tip metal fitting 40 via screws 50.50.
is fixed to. The heater 46 is a rectangular sheet-shaped heater such as a ceramic heater or a sheet heater. The temperature of the heater 46 is adjusted by turning the switch 58 ON-OFF.

The cutter 44 is arranged in the groove 40A, and a cutter holding plate 52 is arranged on the upper surface of the tip fitting 40. Since the cutter holding plate 52 is fixed to the tip metal fitting 40 via screws 54 and 54, the cutter 44 is attached to the heater 46.
and is fixed to the tip fitting 42. Further, the cables 56Δ, 56A are guided to the groove 40B via the handle 32, the ceramic plate 38, and the end fitting 40.

The cables 56A, 56A are electrically connected to the cables 46A, 46A of the heater 46.

In addition, in Fig. 1, 56 is a cable, 58 is a switch, and 60 is a cable.
is a plug. The plug 60 is used by directly connecting to a household power source of 100 volts AC.

In the first embodiment, the temperature of the heater 46 is controlled by the switch 5.
8, the temperature control device 62 may be used as shown in FIG. 3 regardless of this.

Hereinafter, an embodiment in which the temperature control device 62 is installed will be explained in detail with reference to FIG.

Incidentally, the same members as in the first embodiment are given the same reference numerals and the explanation thereof will be omitted.

The control device 62 includes the switch 5'8 shown in FIG.
connected to the position. The control device 62 has an O
A N OFF switch 64 is provided, and a rotary switch 66 for temperature adjustment is also provided. Therefore,
When the low-return switch 66 is turned, an electric circuit (not shown) in the control device 62 changes the power to the heater 46, thereby controlling the rise and fall of the temperature of the heat cutter device 30.

As shown in FIG. 3, the control method for the low-return switch 66 may be divided into three stages, such as low, middle, and high, or a method in which it can be controlled steplessly. This makes it possible to select a temperature suitable for the material, thickness, and shape of the cut sheet.

In the embodiment shown in FIG. 3, the operator judges the temperature of the cutter 44 and controls the rotary switch 66, but the present invention is not limited to this, and as shown in FIG. The temperature detected by the temperature sensor 68 is fed back to the electric circuit (not shown) in the control group [70] via cables 68A and 68Δ, as shown in FIG. 4(B), and the temperature is automatically adjusted to the set temperature. You can do it like this. In addition, in FIG. 4(B), 72 is a low-return switch, and 74 is an ON-OFF switch.

Therefore, according to the embodiment of FIG. 4, the heat cutter device W1
When cutting with 30, even if the heat of the cutter 44 is taken away, the temperature will not drop.Also, even if the electricity is turned on without cutting, the temperature will not rise above the set temperature, so felt etc. can be cut at a constant temperature. You can.

In the first embodiment, the handle 32 was integrally formed, but
The present invention is not limited to this, and the handle 76 may be provided with a rotatable handheld portion 78 as shown in FIG. This handheld portion 78
is rotatably supported by the handle 76. Therefore,
Since the knife tip 44 rotates during cutting, cutting can be easily performed. In this case, the cutter 44 is arranged as shown in FIG.
It needs to be offset from the center. Furthermore, the cable 56 needs to be as thin and soft as possible.

Also, as shown in FIG. 6, a handle 76 and a cable 56
If a slip ring 78 is used between the handle 7
Since the cable 56 does not rotate even when the cutter 6 rotates, the cutter 44 can be easily rotated 360 degrees.

In the first embodiment, as shown in No. 7 rgJ, the heater 46 is fixed with a heater holder 48, and the cutter holder 52 is fixed with a screw 5.
4. Fix the end fitting 40 with 54, and insert the cutter 4 into the groove 40Δ.
Insert 4. The inserted cutter 44 has a screw 54.5
4 and secure with a cutter holder 52. In this way, in the first embodiment, the cutter 44 is installed by being inserted into the groove 40A, but the invention is not limited to this, and as shown in FIG.
The groove 40A is formed narrower than the width of the cutter 44 and the tip fitting 4 is
Alternatively, the cutter 44 may be placed on the upper surface of the cutter 40, and the cutter 44 may be fixed by fixing a flat cutter holder 80 to the tip fitting 40 via screws 54 and 54.

Further, as shown in FIG. 9, the cutter 44 is placed between the heater 46 and the cutter holder 82 from the direction of the tip metal fitting 40Mjj, and the cutter holder 82 is fixed to the tip metal fitting 42 with the grooves 54 and 54, and the cutter 44 is may be fixed.

In addition, as shown in FIG. 10, a heater 46 and a cutter 44
A plate 84 may be placed between the two.

This allows the cutter 44 to be more firmly fixed.

In addition, as shown in FIG.
The cutter 44 may be fixed using the following. That is, a groove 88 is formed in the tip metal fitting 40, and a tapered cutter holder 92 is attached to the groove 88 via a screw 90. In this case, the gap between the bottom surface of the cutter holder 92 and the bottom surface of the groove 88 is set to be slightly larger than the plate thickness of the cutter 44. Therefore, when the cutter 44 is inserted into the gap and the tightening ring is screwed onto the tip fitting 40, the cutter holder 92 is pushed down and the cutter 44 is fixed. The heater 46 is bonded to a groove 94 formed in the metal tip 40.

In addition, as shown in FIG. 12 (Δ) and (B), the cutter 4
A hexagonal cutter 96 may be used instead of the flat cutter 4. When using this round shaft cutter 96, as shown in FIG. 13, a hole 98 is formed in the tip fitting 40,
A cutout ft100 is formed below the hole 98.

A heater 46 is bonded to the groove 100, and a hole 98 is formed in the cross-section of a fish cake. Therefore, the direction determining notch 96A formed in the round shaft cutter 96 comes into contact with the heater 46,
The direction of the cutter 96 is determined. This round shaft cutter 96
By screwing the screw 102 into the tip fitting 40,
The round shaft cutter 96 can be fixed with the screw 102.

In this way, when the round shaft cutter 96 is used, the tip metal fitting 4
The tip of the zero can be made smaller, and the structure can also be simplified.

In the first embodiment, the heat cutter device is hand-held, but the heat cutter device is not limited to this, and may be mounted on a block (not shown) as in the second embodiment shown in FIG. The second embodiment will be described in detail below based on FIG. Incidentally, the same members as in the first embodiment are given the same reference numerals and the explanation thereof will be omitted.

A base plate 100 is attached to a carrier 99 of the plotter. A guide 102 is attached to the base plate 100, and a support member 104 is slidably supported on the guide 102. The support member 104 has an upper overhang part 106 and a lower overhang part 108, and the upper overhang part 106 has a hole 106.
A is formed in the lower overhang 1108, and a hole 108A is formed in the lower overhang 1108. The heat cutter 120 is rotatably connected to the hole 106Δ and the hole 108A via bearings 109 and 109.
is located.

Further, a cam floor 110 is provided at the upper end of the support member 104. On the other hand, a motor 112 with a speed reducer is disposed on the base plate 100, and a cam 114 is coaxially fixed to a drive shaft 115 of the motor 112.

This cam 114 is in contact with the cam floor 110.

Further, one end of a spring 116 is locked to the lower overhang portion 108 of the support member 104. The other end of the spring 116 is secured to the base plate 100 via a screw II8. Therefore, when the motor 112 rotates, the cam 114
rotates, and the support member 104 moves up and down via the cam floor 110. In this case, the force of the spring 116 lifts the heat cutter device 120 upward via the support member 104.

Therefore, the blade pressure of the cutter 44 is
0 and the support member 104, the spring 11
It is set as the value obtained by subtracting the urging force of 6. As a result, the blade pressure of the cutter 44 can be changed by adjusting the urging force of the spring 116 with the screw 118.

Further, the heat cutter device 120 can be rotated 5 to any angle via a motor 121, a gear 121A, a gear 121B, etc. In this case, gear 121A, gear 12
The rotational force transmitted through 1B is transmitted to the heat cutter device 120 via the lever 124 of the heat cutter device 120, which is disposed between the rollers 122, 122, as shown in FIG.

Further, as shown in FIG. 14, a heat cutter device 120
0 body connects cable 128 via slip ring 126
electrically connected to. Therefore, slip ring 1
The upper part 126A of 26 is 1m1 below the slip ring 126.
Since it can rotate freely relative to 26B, the first
As shown in Figure 6, the top! Protrusion 130 is provided on 26A,
A rotation stopper 132 provided at the upper end of the base plate 100 can prevent the upper portion 126A of the slip ring 126 from turning.

Furthermore, as shown in FIGS. 14 and 17, the electrical connection when the heat cutter device 120 is brought into contact with the plotter is such that the heater 46 is provided at the bottom of the slip ring 126 via the cable 140Δ and the cable 140B. The terminal 142 and the terminal 144 are electrically connected to each other. Thus, heater 46 is electrically connected via cable 128 to a power source provided in the block. Further, the temperature sensor 68 is electrically connected to the terminal 150 and the i-piece 150 of the slip ring 148 via the cable 146B. Therefore, the temperature sensor 68 is electrically connected to the power supply of the plotter via cable 154 and cable 156.

Incidentally, as described for the hand-held heat cutter device 30, the cutter attachment method shown in FIGS. 7 to 13 is also applied to the cutter 44 of the plotter-mounted heat cutter device 120.

〔Effect of the invention〕

According to the heat cutter device of the present invention, it is possible to cut the material to be cut, such as felt, while softening or melting it while the heat cutter device is standing vertically, so the material to be cut can be easily cut. I can do it. Also, it can be mounted on a block.

[Brief Description of the Drawings] Fig. 1 is a perspective view showing a first embodiment of a hand-held heat cutter device according to the present invention, and Fig. 2 is a perspective view showing a hand-held heat cutter device according to the present invention on a desk. FIG. 3 is a front view showing the hand-held heat cutter device according to the present invention with a temperature adjustment control device installed, and FIG. 4 (Δ) is the hand-held heat cutter device according to the present invention. FIG. 4(B) is a partial perspective view showing a state in which a temperature sensor is installed in the hand-held heat cutter device according to the present invention; FIG. The figure is a partial sectional view showing a hand-held heat cutter device according to the present invention in which a rotatable hand-held portion is provided, and FIG. 6 is a hand-held heat cutter device according to the present invention provided with a rotatable hand-held portion, Further, FIGS. 7 to 11 are partial cross-sectional views showing a state in which a slip ring is provided, and FIGS. Δ) is a top view of the round shaft power lid, FIG. 12(B) is a front view of the round shaft cutter, and FIG. 14 is a partial sectional view showing a state in which the heat cutter device according to the present invention is mounted on a plotter, FIG. 15 is a view taken along the line A-A in FIG. 14, and FIG. FIG. 17 is a schematic diagram showing electrical connections when the heat cutter according to the present invention is mounted on a plotter,
FIG. 18 is a front view showing a conventional heat cutter device. 30.120 Heat cutter device, 32... Handle, 34... Ceramic plate, 40
...Tip fitting, 44...Cutter, 46...
·heater.

Claims (2)

[Claims] (1) In a heat cutter device that cuts materials to be cut, such as resin sheets, synthetic fiber cloth, and felt, while melting them, there are two types: A heat cutter device comprising: a heater that transfers heat to; (2) The heat cutter device according to claim (1), wherein the heat cutter device is mounted on a plotter.