JPH0659426U - Perforator - Google Patents

Abstract

(57) [Summary] [Purpose] Make a beautiful perforation on laminated clothing. [Structure] In a perforation machine for penetrating a high-speed rotating needle through a pile of cloths to make a mark such as a buttoning position and a pocket position by a needle hole, one or a plurality of grooves are formed on the outer periphery of the needle (5) in the axial direction.
(53) is used, or a needle having a polygonal cross section orthogonal to the axis is used. By forming a groove on the needle or making the cross-sectional shape of the needle polygonal, when the needle rotates and penetrates the cloth, the contact area between the needle and the cloth is that of a conventional needle and cloth with a circular cross section. Therefore, the generation of frictional heat can be suppressed to a low level, and even if the cloth to be struck is a material that is vulnerable to heat such as new synthetic fiber, it is possible to prevent the contact part with the needle from melting and improve efficiency. Can be performed visually.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 TECHNICAL FIELD The present invention relates to a perforator for marking marks such as button attachment positions and pocket positions by needle holes on clothes.

[0002]

[Prior art]

 Conventionally, when manufacturing ready-made garments, the garments are overlaid, the layered garment is covered with a pattern paper, the layered garment is cut according to the pattern drawn on the pattern paper, and then a buttoning position, pocket position, etc. are cut by a perforator. In accordance with the sewing position of, the perforation is performed, that is, a rotary needle is penetrated through the laminated garment to make a mark by a needle hole.

[0003]

[Problems to be solved by the device]

 If the cloth material is cotton, wool, hemp, or other general synthetic fiber, there was no particular problem in forming a needle hole in the cloth with a conventional perforation machine. However, the extra-fine synthetic fibers, which are called new synthetic fibers and are often used as blouses, are weak against heat, so frictional heat generated by contact with a high-speed rotating needle comes into contact with the cloth needle. Melt parts. After the needle hole has been used, if the edge of the hole is rubbed with a fingernail, the fiber pushed and expanded by the needle will return to its original state and the hole will be closed. However, if the edge of the hole is melted by heat, the hole will not be blocked and the commercial value will be impaired. Therefore, it is necessary to avoid using a perforator for new synthetic fiber clothing. For this reason, the work efficiency had been poor because the sewing marks had to be made manually on the clothes. The present invention reveals a perforator that can be used without problems even if the material is a new synthetic fiber cloth.

[0004]

[Means for solving the problem]

 The perforator of the present invention is a perforator in which needles (5) that rotate at high speed are penetrated through a pile of cloths to provide necessary marks such as button attachment positions and pocket positions by needle holes. One or more grooves (53) are formed in the axial direction, or a needle (5) having a polygonal cross-sectional shape orthogonal to the axis is used.

[0005]

[Action and effect]

 When the groove (53) is formed in the needle (5) or the cross-sectional shape of the needle (5) is polygonal, when the needle (5) rotates and penetrates the cloth, the needle (5) and the cloth The contact area of the needle is smaller than that of the conventional needle (5) with a circular cross section and the cloth. Therefore, the generation of frictional heat can be suppressed to a low level, and the cloth to be punctured is weak to heat like the new synthetic fiber. Even with the material, it is possible to prevent the contact area with the needle from melting.

[0006]

【Example】

 As shown in FIGS. 1 and 2, a supporting shaft (2) is vertically installed on a table (1), and a laser oscillator mounting arm (3) and a needle mounting arm (4) are mounted on the supporting shaft (2). Are projected in the same direction.

The laser oscillator mounting arm (3) is pivotally mounted on the upper end of the support shaft (2) via a support block (31) so as to be rotatable in a vertical plane and positionable by a clamp screw (34). It is supported. A mounting block (32) is pivotally supported on the tip of the laser oscillator mounting arm (3) so as to be rotatable in a vertical plane and positionable by a clamp screw (35).

A laser oscillator (33) is vertically mounted on the mounting block (32), and the laser oscillator (33) is attached to the laminated clothing (6) on the table (1) by laser light, for example, as described later. Denotes a ten-character mark (7).

The needle mounting arm (4) is in the same vertical plane as the rotation plane of the laser oscillator mounting arm (3) on the U-shaped slide block (41) slidably provided on the support shaft (2). It is pivotally supported so as to be rotatable and positionable by a clamp screw (45). At the tip of the needle mounting arm (4), a receiving block (42) is pivotally supported in a vertical plane so as to be positionable by a clamp screw (47).

A switching block (43) is provided on the receiving block (42) so as to be rotatable in a plane orthogonal to the plane of the rotation surface of the receiving block (42), and the switching block (43) has a needle support body. (44) is installed vertically. The needle support (44) is detachably attached to the lower end of the needle support (44), and the needle (5) is rotated by a built-in motor (not shown).

The motor is energized via a transformer (not shown) arranged below the table (1), and continuously variable shifting is possible according to the voltage. The slide block (41) is prevented from rotating by engaging with a guide groove (21) opened in the support shaft (2) in the axial direction.

A fixed block (22) is fixed on the support shaft (2), and a spring (2) fitted on the support shaft (2) between the fixed block (22) and the slide block (41). The slide block (41) is biased upward by 23).

A lever (24) is rotatably supported on a side surface of the fixed block (22) in a vertical plane, and a shaft (26) is rotatably laterally attached to a free end of the lever. It is projected.

A base end of an L-shaped handle (25) is attached to the shaft body (26), and the handle (25) is capable of sliding a receiving piece (46) projecting rotatably on a slide block (41). Penetrates into. When the handle (25) is pressed downward, the slide block (41) and thus the needle mounting arm (4) descends against the spring (23).

When the slide block (41) is lowered, a switch (not shown) is turned on to energize the needle rotation motor, and when the slide block (41) is raised, the switch is turned off to turn on the motor. Power is cut off.

The switching block (43) on the needle mounting arm (4) opens the working position where the needle support (44) corresponds to the position directly under the laser oscillator (33) and the position under the laser oscillator (33). The switching block (43) can be switched to the standby position and the spring biasing ball (45) provided in the receiving block (42) fits into the hole (46) of the switching block (43). ) Is softly locked so that it can be switched to the 2nd position.

In the needle (5), the support portion (51) at the proximal end is formed thicker than the needle shaft portion (52), but the needle shaft portion (52) has a groove () extending over substantially the entire axial length. 53) has been established. The tip of the needle is slightly rounded, killing the sharp point.

The table (1) is provided with an escape hole (11) corresponding to the lowered position of the needle (5) so that the needle (5) fits in a state with a margin.

However, the laser oscillator mounting arm, the mounting block (32) and the needle are arranged so that the laser oscillator (33) and the needle support (44) are aligned on a straight line and are perpendicular to the table (1). Adjust the angles of the mounting arm (4) and the receiving block (42).

The laminated cloth (6) cut according to the pattern is placed on the table (1). The laminated cloth (6) is covered with the pattern paper (8) cut together with the cloth, and the pattern paper (8) is provided with marks (81) according to the button mounting position and the pocket position. Has been done.

The switching block (43) to which the needle support (44) is attached is switched to the standby position, and the portion directly below the laser oscillator (33) is opened. A laser is emitted from the laser oscillator (33) and the laminated cloth (7) is slid on the table (1) so that the mark (81) on the pattern paper (8) matches the mark (7) by the laser. With the pattern paper (8).

Align the mark (81) on the pattern paper (8) with the mark (7) by the laser, return the switching block (43) to the original working position, and operate the handle (25) to slide it. The block (41) and thus the needle support (44) is lowered.

The motor is energized by the lowering of the switching block (43), the needle (5) descends while rotating at high speed, penetrates the pattern paper (8) and the laminated cloth (6), and the cloth (6) is needled. Drill holes. Since the needle tip is rounded, when the needle (5) rotates and penetrates through the cloth, the needle (5) sneaks in such a way as to spread the fibers between the fibers forming the cloth, and the needle tip is caught on the fiber. It won't be raised.

When the needle (5) rotates at a high speed and penetrates the cloth, frictional heat is generated, but the groove (53) is opened in the needle (5) and only the groove (53) is covered with the cloth. The contact area is small, frictional heat is less likely to occur, and even if the cloth is an extremely fine new synthetic fiber, the contact part with the needle will not melt and the product price will not drop.

The portion where the fibers are expanded by the penetration of the needle (5) becomes a needle hole, but this needle hole can be erased without a trace by rubbing it with a fingernail after use, which impairs the commercial value. I don't care. When the handle (25) is loosened, the force of the spring (23) raises the needle mounting arm (4) to complete the perforation at one location. By the same procedure as above, perforation is performed at the necessary places.

FIG. 6 is a sectional view of another embodiment of the needle shaft portion (52) of the needle (5). FIG. 6A shows an embodiment in which a plurality of grooves (53) are formed on the outer periphery of the needle shaft portion (52) at equal intervals, and FIGS. 6B to 6D show a sectional shape orthogonal to the axis of the needle shaft portion (52). 6B is a square shape, FIG. 6C is an equilateral triangle, and FIG. 6D is an equilateral pentagonal cross-sectional shape. In all cases, when the needle (5) rotates to penetrate the cloth, Since the contact area with the cloth is smaller than that of the needle having a circular cross section, the generation of frictional heat can be suppressed.

The above description of the embodiments is for explaining the present invention, and should not be construed as limiting the invention described in the scope of the utility model registration request or reducing the scope. Further, the configuration of each part of the present invention is not limited to the above-mentioned embodiment, and it goes without saying that various modifications can be made within the technical scope described in the scope of claims for utility model registration.

[Brief description of drawings]

FIG. 1 is a perspective view of a perforator.

FIG. 2 is a front view of a perforator, a part of which is shown in section.

FIG. 3 is an explanatory diagram of a state in which laser light is matched with a mark on a pattern paper.

FIG. 4 is a front view of a needle.

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

FIG. 6 is a sectional view of a needle of another embodiment.

[Explanation of symbols]

 (1) Table (2) Support shaft (3) Laser transmitter mounting arm (4) Needle mounting arm (5) Needle

Claims (2)

[Scope of utility model registration request] 1. In a perforator in which needles (5) that rotate at high speed are passed through the overlapped cloths to mark marks such as buttoning positions and pocket positions by needle holes, 1 or 1 is axially provided on the outer periphery of the needles (5). A perforator having a plurality of grooves (53) formed therein. 2. A cross-sectional shape orthogonal to the axis of the needle (5) in a perforator in which needles (5) rotating at high speed are passed through the overlapped cloths to mark the buttoning position, pocket position, etc. by needle holes. A perforator that is characterized by being polygonal.