CN107237056A - Overlap apparatus for sewing - Google Patents

Abstract

The invention discloses a overlapping sewing device, comprising: a platen for supporting cut pieces; a vacuum generating device for absorbing and fixing the cut pieces on the platen; air holes; vision system to identify the position of the piece on the platen. When the cut piece is placed on the table, the suction is generated by the vacuum generating device, so that the cut piece is adsorbed on the platen through the air holes, and the raised corners of the cut piece are absorbed and smoothed and the cut piece is kept stable, even when the cut piece is placed Without laying the pieces flat, the suction force of the vacuum generating device can also absorb the pieces on the platen, which facilitates the placement of the pieces and greatly improves the recognition efficiency and success rate of the visual system; in addition, because the platen The cutting piece is completely absorbed and fixed by the vacuum generating device, and the position of the cutting piece will not be affected by the movement of the feeding plate or other surrounding parts, so as to avoid the feeding plate and other environmental factors affecting the stability of the cutting piece placement.

Description

Overlap sewing device

technical field

The invention relates to the technical field of sewing machines, in particular to an overlapping sewing device.

Background technique

In the overlapping sewing device, at least two pieces to be sewn need to be aligned before sewing. During the alignment process, the cut pieces are placed on the feeding plate and the platen respectively, and the position of the cut pieces is recognized by the vision system. Wherein, there is no connection relationship between the pieces on the platen and the platen.

However, flexible materials such as cut pieces are easily affected by the external environment, and the corners of the cut pieces are easily tilted, and the airflow generated during the operation of the equipment is likely to interfere with the cut pieces that have been recognized on the platen, resulting in the visual system being unable to accurately extract the cut pieces. The central position, so that the vision system cannot be guaranteed to accurately identify the position of the cut piece on the platen.

Therefore, how to improve the accuracy of the vision system in identifying the position of the cutting pieces on the platen is a technical problem that those skilled in the art need to solve.

Contents of the invention

In view of this, the purpose of the present invention is to provide a overlapping sewing device, which can improve the accuracy of the vision system in identifying the position of the cutting piece on the platen.

To achieve the above object, the present invention provides the following technical solutions:

A overlapping sewing device, comprising:

Platen, used to support the cutting pieces;

A vacuum generating device is used to adsorb and fix the cut pieces on the table, and the table is provided with air holes that match the vacuum generating device;

A vision system for identifying the position of the pieces on the platen.

Preferably, the plurality of air holes are evenly distributed on the platen.

Preferably, the platen includes a platen body and a stock plate for supporting cut pieces, the stock plate is set on the through hole on the platen body, and the air hole is set on the stock plate On the board, the material placement plate is detachably connected to the table body, and the material placement plate has at least two types, each type of the material placement plate corresponds to an arrangement of the air holes.

Preferably, a chute is provided on the table body, and the material placing plate is slidably arranged in the chute.

Preferably, the vacuum generating device is controlled on and off by a corresponding solenoid valve.

The overlapping sewing device provided by the present invention includes a platen, a vacuum generating device and a visual system. The platen is used to support the cutting pieces. The vacuum generating device is used to adsorb and fix the cutting pieces on the platen, and the platen may be provided with air holes for matching with the vacuum generating device. A vision system is used to identify the position of the pieces on the table.

When the pieces are placed on the table, the suction is generated by the vacuum generating device, so that the pieces are adsorbed on the table through the air holes, and the corners of the pieces are absorbed and smoothed and the pieces are kept stable, even when the pieces are placed Without paving the pieces flat, the suction force of the vacuum generating device can also absorb the pieces flat on the table, which facilitates the placement of the pieces and greatly improves the recognition efficiency and success rate of the visual system; in addition, the pieces are placed on the table After the board is placed, the manipulator drives the feeding plate to move directly above the cut piece on the platen. Since the cut piece on the platen is completely absorbed and fixed by the vacuum generating device, the position of the cut piece will not be affected by the feeding plate. The impact of movement, so as to avoid the feeding board and other environmental factors affecting the stability of the placement of the pieces.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is the structural representation of overlapping sewing device provided by the present invention;

Figure 2 is a partially enlarged view of Figure 1;

Fig. 3 is a schematic diagram of the piece being tilted on the platen;

Fig. 4 is a schematic diagram of laying the cut piece flat on the platen.

In Fig. 1 to Fig. 4, 1-cut piece, 2-air hole, 3-platen, 4-feeding plate, 5-visual system, 6-manipulator.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The core of the present invention is to provide a overlapping sewing device, which can improve the accuracy of the vision system in identifying the position of cut pieces on the table.

Please refer to Fig. 1 to Fig. 4, Fig. 1 is the structure schematic diagram of overlapping sewing device provided by the present invention; Fig. 2 is the partially enlarged view of Fig. 1; Schematic diagram of the flat laying of the cut pieces on the platen.

A specific embodiment of the overlay sewing device provided by the present invention includes a platen 3 , a vacuum generating device and a vision system 5 . The platen 3 is used to support the cutting piece 1 . The vacuum generating device is used to adsorb and fix the cut piece 1 on the platen 3, and the platen 3 may be provided with an air hole 2 for cooperating with the vacuum generating device. The vision system 5 is used to recognize the position of the cut piece 1 on the platen 3 .

When the piece 1 is placed on the platen 3, the suction force is generated by the vacuum generating device, so that the piece 1 is adsorbed on the platen 3 through the air hole 2, and the raised corner of the piece 1 is absorbed and smoothed and the piece 1 is kept stable. , even if the cut piece 1 is not laid flat when placing the cut piece 1, the suction force of the vacuum generating device can also absorb the cut piece 1 on the platen 3, which facilitates the placement of the cut piece 1 and greatly improves the vision system 5 recognition efficiency and success rate; in addition, after the piece 1 is placed on the platen 3, the manipulator 6 drives the feeding plate 4 to move directly above the piece 1 on the platen 3, due to the The cutting piece 1 is completely absorbed and fixed by the vacuum generating device, and the position of the cutting piece 1 will not be affected by the movement of the feeding plate 4, thereby preventing the feeding plate 4 and other environmental factors from affecting the stability of the cutting piece 1 placement.

Specifically, a plurality of air holes 2 can be evenly distributed on the platen 3, so that the applicability of the platen 3 can be improved, so that the cut pieces 1 of various specifications can be placed on the platen 3 to absorb and smooth the corners, and at the same time , to facilitate the processing of platen 3. Wherein, the density of the air holes 2 can be set according to the actual situation, and it is better that the air holes 2 are denser to ensure the adsorption force.

Alternatively, the platen 3 may include a platen body and a stocking plate for supporting the cut piece 1, the stocking plate is arranged on the through hole on the platen body, and the air holes are arranged on the stocking plate, the stocking plate It is detachably connected to the platen body, that is, the platen 3 supports the cut piece 1 through the material placement plate. The stock plate has at least two types, and each type of stock plate corresponds to an arrangement of air holes 2 . Since the material setting plate supporting the cut piece 1 is detachable, the corresponding type of material setting plate can be replaced according to the difference of the cutting piece 1, so that the material setting plate is more targeted and further improves the reliability of the adsorption of each cut piece 1 sex.

Specifically, a chute may be provided on the table body, and the material placing plate is slidably arranged in the chute, so as to facilitate the replacement operation of the material setting plate.

In each of the above embodiments, the vacuum generating device can be switched on and off through the corresponding electromagnetic valve, and the control is simple and quick, and the error rate is low. Wherein, the electromagnetic valve can be specifically arranged in the control system of the overlapping sewing device.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The overlapping sewing device provided by the present invention has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present invention, and the descriptions of the above embodiments are only used to help understand the method and core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (5)

1. one kind overlaps apparatus for sewing, it is characterised in that including：

Platen (3), for support cut-parts (1)；

Vacuum generating device, for cut-parts (1) absorption to be fixed on into the platen (3), the platen (3) be provided with it is described The stomata (2) that vacuum generating device is engaged；

Vision system (5), for recognizing position of the cut-parts (1) on the platen (3).

2. coincidence apparatus for sewing according to claim 1, it is characterised in that multiple stomatas (2) are in the platen (3) On be uniformly distributed.

3. coincidence apparatus for sewing according to claim 1, it is characterised in that the platen (3) includes platen body and use Put flitch in support cut-parts (1), the put flitch is on the through hole on the platen body, and the stomata (2) is located at In the put flitch, the put flitch is removably connected on the platen body, and the put flitch has at least two types Number, a kind of arrangement mode of the stomata (2) of put flitch correspondence of every kind of model.

4. coincidence apparatus for sewing according to claim 3, it is characterised in that the platen body is provided with chute, described Put flitch, which is slided, to be located in the chute.

5. coincidence apparatus for sewing according to claim 1, it is characterised in that the vacuum generating device passes through corresponding electricity Magnet valve controls break-make.