JPS6142596B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a stacker for a sewing machine that sequentially stacks machine-sewn fabrics.

Conventionally, in this type of stacker, the finished fabric is hung down from the end edge of the sewing machine table between the loading table and the presser foot, which is rotatably supported on the machine frame, and then loaded by the rotation of the presser foot. The drooping part of the cloth is held in contact with one end of the table and the loading table, and in this state, air is discharged from the presser foot to blow out the end of the cloth and stack the cloth on the loading table.

However, in conventional stackers, the presser foot is made of a rigid body, so if the thickness of the fabric is not uniform or the fabric has buttons, etc., the clamping pressure of the presser foot is not applied to the entire fabric. There was a drawback that the products sometimes fell before they were stacked on the loading platform. In addition, in conventional stackers, the presser foot is a rigid body, so it is not possible to guide the presser foot close to the rear of the loading platform.For this reason, air must be discharged to ensure that the fabric is stacked evenly and evenly on the loading platform. The disadvantage was that it could not be placed on the

The object of the present invention is to provide a stacker for a sewing machine that can eliminate these drawbacks.

Hereinafter, one embodiment of the present invention will be described based on the drawings.

In Fig. 1, 1 is a sewing machine table (hereinafter abbreviated as table), 2 is a sewing machine placed on the sewing machine table 1, and 1A is the terminal edge of the table 1 from which the sewing material W, which has been sewn by the sewing machine 2, hangs down. be.
3 are legs that support the table 1 at a predetermined height;
A base extends from below the table 1 in the cloth feeding direction, and a support rod 5 stands up on the base 4. Reference numeral 6 denotes a loading platform supported at the upper end of the support rod 5, which is supported horizontally behind and downwardly from the terminal edge 1A of the table 1, and whose vertical position can be adjusted with a screw 7. .

8 is a rotating frame whose lower end is rotatably supported around a support shaft 9 perpendicular to the cloth feeding direction so as to be movable between the position intersecting the table 1 and the loading platform 6;
Reference numeral 10 indicates a direction perpendicular to the cloth feeding direction at the upper end of the rotating frame 8 so as to be able to move in conjunction with the rotating frame 8 between an operating position intersecting the upper surface of the loading table 6 and a waiting position on the lower surface of the table 1. A cloth guide rod 10 extends along the cloth guide rod 10, and a plurality of air discharge ports 1 are provided on the circumferential surface of the cloth guide rod 10.
1, 11... (see Fig. 2) are open, and air is discharged from these discharge ports 11, 11....

Reference numeral 12 denotes a side surface 6 of the table side of the loading table 6, in which a part of the fabric W hanging down between the table 1 and the loading table 6 is removed.
The cloth guide rod 10 and the rotating frame 8 are pressed toward the direction a.
This is a fabric holder made of cloth and fixed to the support shaft 9 provided at the lower end of the holder with a spring S serving as a pressing body interposed therebetween.

Reference numeral 13 denotes a cylinder whose main body is fixed on the base 4 and the tip of a drive shaft 13a is rotatably supported at the lower part of the rotation frame 8.

Next, the operation of this invention will be explained.

In order to stack the fabrics W sewn by the sewing machine 2 on the loading table 6, the loading table 6 is first placed horizontally at the position shown by the solid line in FIG. When the leading end of the fabric W hangs down from the end of the loading table 5 and the fabric W is sewn to a predetermined length, the cylinder 13 is energized and the rotating frame 8 rotates counterclockwise from the state shown by the chain line in the figure. do. Then, the cloth guide rod 10 and the sewing material holder 1
2 comes into contact with the fabric W to be sewn and guides the fabric W onto the loading table 6. When the rotation frame 8 further rotates, the fabric holder 12 first comes into contact with the fabric holder 12 and the loading table. 6
The elastic force of the spring S presses and clamps the cloth W hanging down between the side surface 6a and the side surface 6a. Thereafter, the rotating frame 8 further rotates against the elastic force of the spring S to move the cloth guide rod 10 to the operating position.
0 is further guided to the rear of the loading table 6 and stopped.

After that, when the sewing is finished and the end of the cloth W to be sewn is detected by a detector (not shown), air is discharged from the discharge ports 11, 11 of the cloth guide rod 10, and the cloth W to be sewn is reversed backward. Then, blow it off and place it on the loading platform 6 in the state shown by the chain line in the figure.

After the fabric W to be sewn is placed on the loading platform 6 in this manner, the cylinder 13 is de-energized and the rotating frame 8 returns to its original state as indicated by the chain line.

Although the fabric holding body 12 is made of cloth, the spring S is not required if a rubber material having elasticity is used.

In addition, in order to prevent the fabric W to be sewn from falling into the gap created between the cloth guide rod 10 and the table 1, an elastic body such as rubber is suspended between the cloth guide rod 10 and the end of the table 1. Pass or cloth guide rod 1
This is possible by fixing the pedestal at 0.

In addition, the reason why the air is discharged is to more reliably place the fabric to be sewn on the loading table, and it is possible to securely place the fabric to be sewn on the loading table without discharging air. can.

Furthermore, the cloth guide rod 10 can be connected directly to the cylinder 13.
If the cloth guide rod 10 tied to the plunger is operated, the rotating frame 8 will not be necessary, and the rotating frame 8 will not need to be attached so as to be rotatable about the support shaft 9, and the entire rotating frame 8 will be removed. The rotating frame 8 may be fixedly supported only on the cylinder 13 so that it moves in the direction of the loading table 5.

FIG. 3 shows another embodiment of the invention.

In this embodiment, the sewing material holder 12A is attached to the rotating frame 8.
Spring _S1 as a pressing body is attached to the pin P set upright on the
The sewing material holder 12A can also be configured in this way.

FIG. 4 shows an embodiment of another invention. Note that the same parts as in the embodiment of the invention described above are denoted by the same reference numerals, so detailed explanations will be omitted.

In FIG. 4, reference numeral 15 denotes a fixed rod supported on the base 4, and a roller 14 serving as a support portion is rotatably supported at the upper end located near the bottom of the sewing machine table 1.

Reference numeral 16 denotes a sewing material holder having a weight 17 as a pressing member fixed to one end and attached to the lower end of the rotating frame 8 at the other end via a roller 14 and a cloth guide rod 10.

Next, the operation of this invention will be explained.

When the rotating frame 8 rotates, the fabric holder 16 first presses and clamps the fabric W hanging down between the fabric holder 16 and the side surface 6A of the loading platform 6 by the tension of the weight 17.

Thereafter, the rotating frame 8 further rotates against the weight of the weight 17, and the part of the fabric W that comes into contact with the fabric guide rod 10
is further guided to the rear of the loading platform 6 and stopped.

As the rotating frame 8 rotates, other parts of the fabric holder 16 also move against the weight 17, covering the gap between the fabric guide rod 10 and the bed 1, and allowing the fabric to be sewn to move in this direction. It is possible to prevent the fabric W from falling from the gap, and the entire fabric holder 16 moves as the rotating frame 8 rotates, further transferring the fabric W to the loading table 5.
It acts to make it easier to guide upwards.

After that, when the sewing is finished and the end of the cloth W to be sewn is detected by a detector (not shown), air is discharged from the discharge ports 11, 11 of the cloth guide rod 10, and the cloth W to be sewn is reversed backward. Then, blow it off and place it on the loading platform 5 in the state shown by the chain line in the figure.

As mentioned above, according to the first invention,
The fabric guide rod is movable to the operating position where it intersects with the upper surface of the loading table, and the fabric holder is provided to allow movement of the fabric guide rod to the position where it intersects with the loading platform. After a part of the fabric to be sewn is clamped on the loading table, the cloth guide moves to the rear of the loading table in this state, and the other end of the cloth to be sewn can be reliably guided to the rear of the loading table.

Therefore, even without discharging air, the fabrics to be sewn can be reliably turned over and placed on the stacking table, and can be stacked on the stacking table in a sequential manner.

Further, according to the second invention, in addition to the above-mentioned effects, the sewing machine bed and the cloth can be sewn together by the workpiece fabric holder supported on the machine frame via the cloth guide rod so as to cover the gap between the table bottom surface and the cloth guide rod. The fabric to be sewn can be prevented from falling into the gap of the guide rod, and the fabric to be sewn can be more easily loaded onto the loading table since the fabric holder also moves as the rotating frame rotates. This effect is achieved.

[Brief explanation of the drawing]

FIG. 1 is a side view of an embodiment of the stacker of the present invention, FIG. 2 is a front view of the stacker shown in FIG.
3 is a side view of another embodiment of the apparatus shown in FIG. 1, and FIG. 4 is a side view of another embodiment of the invention. 1...Sewing machine table, 6...Loading table, 8
...... Rotating arm, 10... Cloth guide rod, 12...
Sewn cloth holder, 16... Cloth receiver, S, S ₁ , 1
7. Spring and weight as pressing bodies.

Claims (1)

[Scope of Claims] 1. A sewing machine table on which a sewing machine is placed and a sewing machine table having a terminal edge from which a stitched fabric hangs down; A loading table for loading sewing fabric, and a rotating arm rotatably supported on the machine frame, extending horizontally in a direction perpendicular to the cloth feeding direction, and connecting to the waiting position on the underside of the sewing machine table and the loading table. A cloth guide rod that moves between the upper surface and the operating position, a cloth holder provided on the rotating arm and placed opposite to the side surface of the loading platform on the sewing machine table side, and a cloth guide that moves by rotating the rotating arm. A stacker for a sewing machine, comprising: a pressing member that acts on a sewing material holder in a direction to press the sewing material holder toward a side surface of a loading table on the sewing machine table side when a rod moves to an operating position. 2. A sewing machine table with a terminal edge on which the sewing machine is placed and the stitched fabric hangs down, and a sewing machine table which is placed horizontally behind and further away from the terminal edge of the sewing machine table to load the fabric to be stitched. The loading table is provided on a rotating arm that is rotatably supported on the machine frame, and extends horizontally in a direction perpendicular to the cloth feeding direction, and has an operating position that intersects the standby position on the bottom surface of the sewing machine table and the top surface of the loading table. The cloth guide rod moves between the rotating arm and the sewing machine table side of the loading table, and as the cloth guide rod moves to a position where it intersects with the upper surface of the loading table, A workpiece fabric holder is provided on the rotary arm via the support portion 14 supported below the sewing machine table and the cloth guide rod 10 so as to cover the space between the sewing machine table and the cloth guide rod 10, and the rotation of the rotary arm A stacker for a sewing machine, comprising: a pressing body that acts on a workpiece fabric holder in a direction to press the workpiece fabric holder toward a side surface of a loading platform on the sewing machine table side when a fabric guide rod moves to an operating position;