JPH0675623B2 - Curtain core tape sewing device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for sewing a core tape on the top part of a curtain, and a core tape sewing device provided with a core tape cutting device for cutting the core tape at the end of sewing. The present invention relates to a wearing device.

[0002]

2. Description of the Related Art As a method of sewing a curtain, the hem side portion of the curtain, which has been cut a little longer than a predetermined length, is wound three times and hem-sewn, and the hem-sewn portion is directed upward and in the width direction. Suspended in the state of being unfolded, cut the lower part horizontally at the desired height, then remove this curtain and carry it to the overlock sewing machine, stacking the core tape made of synthetic resin film on the top part and rim it A method is known in which a portion is sewn to be cored, and then the core tape is folded so as to wrap it and sewn to perform so-called bowing.

In the above-mentioned conventional method, the curtain is hung from above, the length of the curtain is determined, and then the curtain is removed and carried to another position, where the direction and position of the curtain ground is determined again, and the curtain is placed on the top of the curtain. Since the core tapes are manually sewn or stitched while pulling the curtain, there is a problem that it is inefficient, the productivity is low, the seams are easily bent, and skill is required.

In order to solve this problem, the applicant has set up two plates (first table) which are long in the width direction and can be opened and closed between a curtain suspension beam which is long in the width direction and which can be raised and lowered and a horizontal traveling cutter below. Plate and a second table plate), and provided with a curtain holding table which can be swung between a downward position and a forward position with a width direction axis as a fulcrum, and runs in the width direction in front of the curtain holding table in the forward position. A running sewing machine for sewing the curtain ground end portion projecting from the front end of the curtain holding table is sewn on the curtain so that the cloth receiving table moves along the lower surface of the curtain holding table in the forward position. An invention relating to a device was previously proposed (see Japanese Patent Application No. 2-23264).

In the device of the invention of this prior application, the curtain suspended from the curtain suspension beam with the top and bottom reversed, is passed between the first table plate and the second table plate in the downward position, and the curtain fabric is placed below the curtain plate. After cutting with the horizontal traveling cutter, by closing the first table plate and the second table plate, the top end of the curtain material is clamped across the entire width so that the edge projects. Next, when the first table plate and the second table plate are turned to the forward position, and then the sewing machine is run in the width direction,
A core tape is pulled out from the winding frame above the sewing machine, the core tape is laid over the protruding end of the curtain material and the second table plate, and sewn to the protruding end of the curtain material.

[0006]

However, in the device of the above-mentioned prior invention, the core tape is laid over the second table plate and the projecting end of the curtain projecting from the second table plate, and the projecting of this curtain. Since the core tape is sewn on the end, when the width of the curtain is narrower than the width of the first table plate and the second table plate, the sewing machine stops midway when the sewing is finished. Then
The core tape that straddles the sewing machine and the end of the sewing end of the curtain touches the second table board so that it cannot be automatically cut on the rear side in the running direction of the sewing machine.

According to the present invention, as in the above-mentioned prior invention, a first table plate which is long in the width direction and is horizontal and a second table plate on the first table plate are provided.
The top of the curtain is sandwiched between the table plate and the table so that the edge projects over the entire width, and the sewing machine is run in the width direction to pull out the core tape from the winding frame above the sewing machine to project the protruding end of the curtain. In a curtain core tape sewing device in which the core tape is sewn onto the projecting end of the curtain, and the core tape is sewn when the core tape is sewn. The machine is provided with a cutting device capable of automatically cutting between the sewing machine and the curtain.

[0008]

SUMMARY OF THE INVENTION A curtain core tape sewing apparatus according to the present invention is provided with a sewing machine which is provided on a traveling carriage for a sewing machine so as to be movable back and forth in a front-back direction at right angles to a width direction of the curtain. It is characterized in that a cutter support base is provided on the rear side in the traveling direction so as to be movable up and down and forward and backward in the front-back direction, and a cutter is provided on the cutter support base.

[0009]

Operation: The sewing machine is run with the cutter support table in the lowered position, and the core tape is sewn on as in the conventional case. When sewing of the core tape is completed and the sewing machine overruns the curtain and then stops, the sewing machine and the cutter support are retracted and separated from the second table plate, and the core that extends over the cloth support of the sewing machine and the curtain The tape is inclined in the horizontal plane with respect to the curtain width direction, and a portion of the core tape near the sewing machine is separated from the second table plate. Then, when the cutter support base is raised, the cutter rises beyond the first table plate and the second table plate without contacting them, and the core tape is lifted by the cutter.

Next, when the cutter support base and the sewing machine are advanced to the second table plate side, the core tape on the cutter is carried above the second table plate, and the inclination of the core tape with respect to the curtain width direction is corrected. To be done. Therefore,
Activating the cutter causes the core tape to separate between the sewing machine and the curtain. Then, after the sewing machine and the cutter support base are retracted and the cutter support base is further lowered, the sewing machine is returned to the first sewing start side by the traveling carriage.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, reference numeral 1 denotes an intermediate beam which is long in the width direction and is fixed between left and right columns (not shown) which are erected at both ends in the width direction. The contact plate 2 is fixed to the. A curtain suspension beam (not shown) is provided above the intermediate beam 1, and the curtain F is suspended from the curtain suspension beam, and the curtain F hangs down along the contact plate 2 of the intermediate beam 1. There is. A lever 4 is swingably connected below the intermediate beam 1 via metal fittings 3 fixed to the lower surfaces of the left and right ends, and a swing beam 5 in the width direction is provided between the lower ends of the left and right levers 4. Is fixed and is hung down via the lever 4. The upper end of the lever 4 is connected to the lower end of a piston rod 8 which projects downward from a table air cylinder 7 which is attached to the back surface of the intermediate beam 1 via a bracket 6 so as to swing back and forth. The protrusion of the rod 8 causes the lever 4 to rotate in the clockwise direction in FIG. 1 and the swing beam 5 to rotate 90 degrees from the downward position of the chain line to the forward position of the solid line.

A holding beam 9 in the width direction is provided so as to be able to move forward and backward in front of the swing beam 5 in the downward position, and the swing beam 5 and the hold beam 9 are opened and closed by an air cylinder (not shown). And the swing beam 5
The first table plate 11 is fixed to the front surface of the press beam 9 and the second table plate 12 is fixed to the back surface of the press beam 9 to form a curtain sandwiching table. When the press beam 9 is closed, the table plate 11 is fixed. , 12, the curtain material F is sandwiched. The first table plate 11 is made slightly wider in the vertical direction than the second table plate 12.

A lower beam 13 in the width direction is fixedly provided below the first table plate 11 in the downward position, and a contact plate 14 is fixed to the front surface of the lower beam 13, and the lower plate 13 and the contact plate 14 in the downward position. The horizontal cutter 15 runs between the first table board 11 and the curtain F to cut it at a desired height. In addition, at the front of the lower end of the first table plate 11 and the upper end of the contact plate 14 in the downward position, at the time of the cutting,
Holding bars (not shown) for sandwiching the upper and lower sides of the cutting line of the curtain F are provided so as to be slidable back and forth.

A plate-shaped rail 21 is laid in front of the lower beam 13 via a sewing machine rail base 20 that is long in the width direction, and a traveling carriage 22 for a sewing machine, which is driven by a motor, is mounted on the plate-shaped rail 21 with wheels 23. The slide block 26 on the lower surface of the sewing machine receiving stand 25 is slidably fitted to the guide shaft 24 in the front-rear direction (the direction perpendicular to the curtain width direction) which is mounted on the traveling carriage 22 by way of the carriage. Together,
The sewing machine pedestal 25 is driven by an air cylinder (not shown) to move back and forth. Then, a sewing machine main body 27 for core attachment and a core tape support bracket 28 are fixed on the sewing machine pedestal 25, a winding frame 29 of the core tape T is attached to the support bracket 28, and the sewing machine carriage 22 is plate-shaped. When moving forward along the rail 21 (when moving from the front side of the paper surface of FIG. 1 to the paper back side), the reel 2
The core tape T is pulled out from the sewing machine 9 (see FIG. 2), guided to the cloth receiving table 33 of the sewing machine main body 27 via the guide rollers 30, 31, 32 and overlapped on the curtain F and the second table plate 12. The sewing machine needle 34 is sutured.

A sliding base 40 for a cutter is provided on the sewing machine pedestal 25 in close proximity to the rear side of the sewing machine main body 27 in the traveling direction, and is slidable back and forth via a sliding guide 41. The base of the base sliding air cylinder 42 is connected to the end of the sewing machine pedestal 25, and the tip of the piston rod 43 is connected to the sliding base 40. The moving base 40 slides back and forth. An elevating air cylinder 44 is fixed to the center of the sliding base 40, and a plurality of elevating guides 46 are fixed around the sliding base 40.
The tip of the piston rod 45 of No. 4 and the tip of each slide rod 47 which is vertically slidable with respect to the elevating guide 46 are connected to the upper cutter support base 48.

A cutter fixed blade 51 and a clamp fixed bar 53 are fixed in a cantilever manner to the intermediate beam 1 side on a cutter bracket 50 protruding from the surface of the cutter support base 48 on the intermediate beam 1 side. The cutter movable blade 52 and the clamp movable bar 54 are attached to the bases of the fixed blade 51 and the fixed bar 53 so as to be vertically swingable. Then, the cylinder bracket 5 protrudingly provided on the opposite surface of the cutter support base 48.
5, the bases of the cutter air cylinder 56 and the clamp air cylinder 58 are connected to each other, the piston rod 57 of the cutter air cylinder 56 is connected to the cutter movable blade 52, and the piston rod 59 of the clamp air cylinder 58 is connected to the above. Each of them is connected to the movable clamper 54.

In the above structure, the traveling carriage 22 is located at one end of the plate-shaped rail 21 (the end portion on the front side of the drawing in FIG. 1), and the sewing machine receiving stand 25 on the traveling carriage 22 is located on the intermediate beam 1 side. Sliding base 40 on the sewing machine pedestal 25
Are located on the opposite sides of the intermediate beam 1, the first table plate 11 and the second table plate 12 are opened in the downward position, and the hem stitched portion of the curtain F sewn on the curtain suspension beam is widened in the width direction. The curtain suspension beam is raised to a desired height, and the lower part of the curtain F is placed between the first table plate 11 and the second table plate 12, and below the contact plate 14 and the upper and lower pressing bars (shown in the figure). Not) and insert in order.

Next, the second table plate 12 is closed to the first table plate 11 and the pressing bar is closed to the contact plate 14 to clamp the lower part of the curtain F, and the horizontal traveling cutter 15 is widthwise. The curtain F to the first
The table plate 11 and the lower contact plate 14 are horizontally cut, and then the piston rod 8 of the table air cylinder 7 is projected so that the first table plate 11 and the second table plate 12 in the downward position are indicated by solid lines. Turn 90 degrees to the forward position. At this time, the end portion of the curtain F slightly protrudes from the end edge of the first table plate 11, and when the traveling carriage 22 travels in this state, the curtain F protrudes from the second table plate 12 and its front end portion. The core tape T is laid over the end portion of the curtain F, and the overlapping portion of the curtain F and the core tape is sewn to perform centering. In FIG. 3, S is a centering seam.

When the centering is completed in this way, the sewing machine main body 27 stops at a position where the end portion of the curtain F is overrun, as shown in FIG. At this time, the cloth receiving table 33 of the sewing machine, the fixed blade 51 in the opened state, and the fixed bar 53 are located below the first table plate 11.
Then, as shown in FIG. 4, when the sewing machine main body 27 is retracted and separated from the second table plate 12, the core tape T that straddles the cloth receiving table 33 of the sewing machine and the curtain F in the horizontal direction with respect to the curtain width direction. Inclining, the fixed blade 51 and the fixed bar 53 appear in front of the first table plate 11. Then, when the cutter support base 48 is raised at this position,
The cutter fixed blade 51 and the clamp fixed bar 53 move to a position higher than the surface of the second table 12, and the core tape T is lifted.

Next, the cutter base 48 is mounted by the sliding base 40 and the sewing machine main body 2 is mounted by the sewing machine receiving base 25.
When 7 is advanced to the side of the second table plate 12, as shown in FIG. 5, the core tape T is returned parallel to the curtain width direction, and the fixed blade is fixed to the upper surface of the second table plate 12. It is lifted by 51 and the fixing bar 53 to form a chevron. When the clamp movable bar 54 and the cutter movable blade 52 are closed, the sewing machine side portion of the core tape T is clamped by the clamps 53 and 54, and the curtain side portion is separated by the cutters 51 and 52. Then, as shown in FIG. 6, the sewing machine receiving base 25 and the cutter supporting base 48 are retracted, and the cutter supporting base 48 is further lowered, and then the sewing machine is returned to the first sewing start side by the traveling carriage 22. . The curtain F can be taken out by opening the first table plate 11 and the second table plate 12.

In the above embodiment, the cutter lift air cylinder 44 and the lift guide 46 may be directly provided on the sewing machine receiving stand 25 on the sewing machine carriage 22, and the installation of the cutter sliding base 40 may be omitted. . Moreover, the sliding base 40 for the cutter may be directly provided on the traveling carriage 22 without the above-mentioned sewing machine receiving stand 25. In the above-described embodiment, the clamps 53 and 54 are provided on the front side of the cutters 51 and 52 in the running direction of the sewing machine. However, depending on the sharpness of the core tape T, the clamp 5
3, 54 may be provided on the opposite rear side or may be omitted.

[0022]

As described above, according to the present invention, the sewing machine is provided on the traveling carriage for the sewing machine so as to be movable back and forth in the front-rear direction at right angles to the curtain width direction, and the cutter support base is provided on the rear side in the traveling direction of the sewing machine. Since the cutter is provided so as to be able to move up and down and to be moved back and forth in the front-rear direction, and the cutter is provided on the cutter support base, the core tape is applied to the top part of the curtain which runs the sewing machine and projects from the second table plate. After sewing, the sewing machine and the cutter support stand are moved forward and backward in the direction perpendicular to the curtain width direction, and the cutter support stand is moved up and down to put the core tape on the cutter and 2 Move it above the table board,
You can cut this between the sewing machine and the curtain,
Allows automatic cutting of core tape.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is a plan view of a sewing machine main body and a curtain end portion immediately after completion of sewing.

FIG. 4 is a plan view when the sewing machine retracts.

FIG. 5 is a plan view when the cutter support is raised and moved forward together with the sewing machine main body.

FIG. 6 is a plan view when the cutting of the core tape is completed.

[Explanation of symbols]

 F: Curtain T: Core tape S: Seam line 11: First table plate 12: Second table plate 21: Plate rail 22: Sewing machine traveling carriage 25: Sewing machine stand 27: Sewing machine body 29: Core tape reel 40: Cutter sliding base 44: Cutter lifting air cylinder 46: Lifting guide 48: Cutter support 51: Cutter fixed blade 52: Cutter movable blade 53: Clamp fixed bar 54: Clamp movable bar

Claims (1)

[Claims] 1. A ceiling-side end portion of a curtain is sandwiched between a first table board which is long and horizontal in the width direction and a second table board on the horizontal table board so that the edges project over the entire width,
Further, by running the sewing machine in the width direction, the core tape is pulled out from the winding frame above the sewing machine and overlapped over the protruding end portion of the curtain material and the second table plate, and the core tape is protruded from the curtain material. In a core tape sewing device for a curtain adapted to be sewn to a sewing machine, a sewing machine is provided on a traveling carriage for a sewing machine so as to be movable back and forth in a front-back direction at right angles to the curtain width direction, and a cutter is provided on the rear side in the traveling direction of the sewing machine. A curtain core tape sewing device, characterized in that a support base is provided so as to be able to move up and down and to be moved back and forth in the front-rear direction, and a cutter is provided on the cutter support base.