JP2550423Y2 - Area sewing machine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in an area sewing machine which forms a sewing pattern while holding a pallet on which a work is set by a sewing arm and moving the pallet in both X and Y axes.

[0002]

2. Description of the Related Art The conventional area stitch sewing machines as described above generally use a single pallet. Therefore, after finishing the sewing, the pallet is removed from the sewing machine arm and a new work is set on the pallet. It is necessary to attach it to the sewing machine arm again. For this reason, a lot of time is required for the setup work before and after, and there is a problem that the efficiency of the sewing work and the efficiency of the sewing machine are low. In order to improve this, a pallet changer mechanism is added to the side of the sewing position, and it is considered to wait for the next pallet.
In order to keep the next pallet on standby so as not to interfere with the pallet being sewn, a large space is required, and there has been a problem that the outer diameter of the equipment is significantly increased.

[0003]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems, and makes it possible to externally set a work on a pallet without significantly increasing the outer diameter of the equipment. This has been completed in order to provide an area stitch sewing machine capable of shortening the machine cycle.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention forms a sewing pattern while moving a pallet on which a work is set by a sewing machine arm and moving the pallet in both X and Y axes. In the area stitch sewing machine, a holding arm for holding a next pallet on which a work is set and waiting at a position higher than the sewing position is provided on the side of the sewing position so as to be movable up and down and in the X-axis direction. It is characterized by the following.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the embodiments shown in the drawings. In FIG. 1, 1 is a table, 2 is a main body of an area sewing machine, and 3 is a pallet on which a workpiece is set and is being sewn. The pallet 3 is provided with a work holding plate 4 that can be opened and closed.
Are projected from each other.

Reference numeral 6 denotes a U-shaped sewing machine arm for holding the pallet 3. The sewing machine arm 6 has a pallet 3
A suitable clamping mechanism for engaging with the pin 5 of
The pallet 3 is held as shown in FIG. The sewing machine arm 6 is supported by a lifting mechanism 7, a moving mechanism 8 in the Y-axis direction, and a moving mechanism 9 in the X-axis direction. Y
Sewing is performed by the main body 2 of the area sewing machine while moving in both axial directions to form a sewing pattern.

[0007] On both sides of the sewing position as described above, holding arms 10 and 11 are provided for holding the next pallet 3 on which the work is set and waiting. These holding arms
Reference numerals 10 and 11 denote U-shaped members similar to those of the sewing machine arm 6, and are provided with an appropriate clamp mechanism for engaging with the pin 5 of the pallet 3 at the distal end thereof. These holding arms 10 and 11 are provided with elevating mechanisms 12 and 13, and can be lifted above the table 1 to a height that is held by the sewing arm 6 and does not interfere with the pallet 3 during sewing. I have. Further, these holding arms 10 and 11 are provided with a moving mechanism 14 in the X-axis direction,
15 allows movement in the direction of the sewing position.

[0008]

Next, the operation of the device of the present invention will be described. First, Figure 1
When one pallet 3 is held by the sewing machine arm 6 and is being sewn as shown in the above, for example, the left pallet 3 is held by the holding arm 10 on the left side. At this time, the presence / absence of the work and the presence / absence of opening of the work holding plate 4 of the pallet 3 are automatically detected. If necessary, the type of the pallet 3 is automatically detected. stand by. At this time,
Since the holding arm 10 is lifted above the table 1 to a height that does not interfere with the pallet 3 being sewn, the position where the pallet 3 being sewn and the pallet 3 in standby partially overlaps when viewed from vertically above. There is no hindrance. For this reason, unlike the conventional method in which the next pallet 3 waits on the same plane, the outer diameter of the equipment is not significantly increased.

When the sewing is completed in this way, the right holding arm 11 that has been empty moves to the center, and at the same time, the sewing machine arm 6 also moves slightly to the right, as shown in FIG. The right holding arm 11 is located in front of the sewing arm 6.
Then, the pallet 3 held by the sewing machine arm 6 is pushed out toward the right holding arm 11, and the right holding arm 11 is lowered to hold the pallet 3. Then sewing machine arm 6
Releases the clamp, and the right holding arm 11 moves the pallet 3 having completed the sewing to the right side and raises it. Then, the sewn work is manually taken out of the pallet 3 at that position.

On the other hand, the sewing machine arm 6 moves to the left as shown in FIG. 3 after the pallet 3 is released, and at the same time, the left holding arm 10 which has been waiting until then moves to the right while descending. . When they face each other, the pallet 3 is delivered to the sewing machine arm 6 as described above, and the left holding arm is
10 returns to the left ascending. At the same time, the sewing machine starts, and sewing of the next work set on the pallet 3 is started. During this sewing, the next work is set on the pallet 3 of the right holding arm 11 and stands by at the raised position. Thereafter, the same cycle is repeated.

[0011]

As described above, the area sewing machine of the present invention holds the next pallet on which the work is set on the side of the sewing position, and is at a position higher than the sewing position. Since the holding arm for waiting is provided, the work can be set on another pallet while one pallet is being sewn. In this way, the work set on the pallet can be set up outside, and the machine cycle can be shortened. Moreover, since the waiting pallet is located at a high position where it does not interfere with the pallet being sewn, unlike the conventional method of waiting for the next pallet on the same plane, the outer diameter of the equipment can be significantly increased. Absent. Therefore, the present invention has an extremely large practical value as an area stitch sewing machine which has solved the conventional problems.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state during sewing in an embodiment of the present invention.

FIG. 2 is a perspective view showing a state where a pallet is delivered from a sewing machine arm to a right holding arm in the embodiment of the present invention.

FIG. 3 is a perspective view showing a state in which the empty sewing arm is moving toward the left holding arm in the embodiment of the present invention;

[Explanation of symbols]

 3 Pallet 6 Sewing arm 10 Left holding arm 11 Right holding arm

Claims (1)

(57) [Scope of request for utility model registration] 1. An area sewing machine for forming a sewing pattern while holding a pallet on which a work is set by a sewing machine arm and moving the pallet in both X and Y axes directions, wherein a work is set on a side of a sewing position. Hold next pallet and previous
An area sewing machine characterized in that a holding arm, which stands by at a position raised from the sewing position, is provided so as to be movable up and down and in the X-axis direction.