JPH0864Y2 - Dough setting device for template - Google Patents

Description

[Detailed description of the device] [Industrial applications]

The present invention relates to a cloth setting device for setting cloth on a template when performing various kinds of dart sewing, pin tuck sewing, side-by-side jacketing, back center sewing, etc. by automatic sewing.

[Prior art]

Conventionally, as shown in, for example, Japanese Utility Model Publication No. 62-608, a sheet having guide grooves formed and an upper plate and a lower plate which are openably and closably connected to each other is used. Sandwich the
In order to mass-produce sewn products, automatic sewing according to a template is performed, in which the template is moved on a work table while the sewing machine sewes the material along the guide grooves. In the automatic sewing as described above, it is necessary to fold the cloth in two and set it between the upper and lower plates.

[Problems to be solved by the device]

However, the upper and lower plates of the template used in the automatic sewing machine that follow the template as described above have the same width, and it is possible to position the material between them and fold the material in two at predetermined positions. It is difficult to fold the dough into two pieces beforehand with an iron, etc., position them on the lower plate with the upper plate open, close the upper plate, and sandwich the dough with the upper and lower plates. Since the template moves, the workability is not good, and unless the user is skilled, the material shifts from the template and the desired position of the material cannot be sewn, resulting in defective products. This invention solves the above-mentioned problems of the related art, accurately positions the cloth with respect to the template, and folds the cloth in two at a predetermined position to sandwich it between the upper and lower plates without the need for an expert. Even if the workability is good, the object of the present invention is to provide a dough setting device for a template that does not cause defective products.

[Means for Solving the Problems]

According to the invention of claim 1, the upper and lower plates having guide grooves are connected to each other so as to be openable and closable, and the lower plate, which is wider than the upper plate, is sandwiched between the templates, and the template is moved. While letting
A fabric setting device for a template used to automatically sew the fabric along the guide groove by a sewing machine. The template is releasably positioned and held with the connecting portion of the upper and lower plates on the working table on the back side. The positioning mechanism includes a positioning mechanism and a dough setting mechanism that folds the dough positioned on the lower plate of the template into two. The positioning mechanism causes the fixing pin to project to one side of the work table and forms an arc-shaped long hole. The engaging element that can be moved forward and backward is projected, and the engaging elements that are respectively engaged with the two arc-shaped long holes are projected to the other side portion on the work table only during operation, and are guided to the front side portion on the work table. With the bar protruding, the dough setting mechanism connects the piston of the cylinder mechanism provided on the work table to the connecting arm, and pivotally connects the base end of the connecting arm to the work table. A tip portion located on the side, to fix the base end portion of the fabric guide, it is made so as to advance the rear side distal end portion of the fabric guide to a predetermined position on the lower plate of the template.

[Action]

The device for setting dough on a template according to the invention of claim 1 uses a template in which upper and lower plates having guide grooves are openably connected and a lower plate wider than the upper plate protrudes toward the front side. , The template is placed on the work table with the connecting parts of the upper and lower plates on the work table on the back side, and the engaging elements of one side and the other side of the positioning mechanism are operated, and these and the fixing pins are used to form the template. Press against the guide bar and hold it in place on the work table. In this state, after positioning and placing the dough on the lower plate of the template with the upper plate open, operate the cylinder mechanism of the dough setting mechanism and rotate the dough guide plate via the connecting arm, Advance and stop the guide plate until the tip of the guide plate reaches a predetermined position on the lower plate, fold back the part of the cloth projecting from the tip of the cloth guide plate toward the front side, and stack it on the cloth guide plate. Fold the dough in place by closing the plate. After that, holding both ends of the upper and lower plates by hand, sandwich the dough between the upper and lower plates of the template, and return all the engaging elements to operate to release the retention of the template and guide the template to the dough guide. By pulling out from the plate, the setting of the dough on the template is completed. Therefore, unlike the above-mentioned conventional cloth setting device, even if the cloth is not folded in advance with an iron or the like, the cloth is accurately positioned at a predetermined position of the template, and the cloth is folded at the predetermined position. Setting up between the upper and lower plates of the template can be done easily without the need for skill, and no defective products occur during sewing.

【Example】

An embodiment of the present invention will be described below with reference to the drawings. In FIGS. 1 and 2, reference numeral 1 denotes a work table having legs, and on the table 1, a cloth setting area 1a on the front side of the right side and a template setting area 1b on the back side of the right side are provided.
And a product removal area 1c on the front side of the left side portion and an intermediate area 1d on the back side of the left side portion. The work table 1
Guide bars 3 and 4 projecting upward are fixed to the upper front side portion and the left side portion, respectively. In the dough setting area 1a, the dough setting mechanism 6 of the template 5 is arranged, and the positioning mechanism 7 partially covering the product removal area 1c is used for most of the dough setting area 1a.
The dough setting device is configured by the dough setting mechanism 6 and the positioning mechanism 7, which is arranged on the lower surface side and provided on the work table 1. As shown in FIG. 3 and FIG. 4, the template 5 can be opened and closed by a hinge part composed of a transparent synthetic resin such as vinyl chloride and lower plates 5a and 5b having adhesive tape 5c on one side. Are linked to. The upper and lower plates 5a, 5b are formed with slot holes 5d, 5e of a required plane shape which coincide with each other when they are closed, and a thread trimming mark 5f is provided on the right side of the upper plate 5a. Also, the upper plate 5a
A wider lower plate 5b projects to the front side. As shown in FIGS. 5 to 8, the dough setting mechanism 6 has a cylinder 8a of the dough guide cylinder mechanism 8 fixed to the lower surface of the work table 1 via a mounting member 41.
A piston 8b that advances and retracts in the front-back (Y) direction of the work table 1 is fitted into this cylinder 8a, and the cylinder 8a of the piston 8b is fitted.
The distal end projecting toward the front side is connected to the upper ends of the left and right connecting arms 9 having a substantially elliptical side surface, and the distal end of the connecting arm 9 is arranged on the front side of the work table 1 and has a template on the distal end. 5, the base end of the fabric guide plate 10 having a smaller left-right (X) direction dimension is fixed, the front end of the fabric guide plate 10 extends on the work table 1, and the lower end of the end of the connecting arm 9 is the rotation axis.
11 is pivotally attached to the work table 1 side. Also,
As shown in FIG. 8, on the work table 1, a vertical portion 12b of a mounting rod 12 bent downward from one end of a horizontal portion 12a straddling the template 5 arranged in the cloth setting area 1a is fixed,
Two light projectors 14 for positioning the cut cloth 13 are fixed to the horizontal portion 12a so as to be spaced apart from each other on the left and right sides. In the positioning mechanism 7, the work table 1 is formed with three arc-shaped elongated holes 15, 15, 15 and a fixing pin 16 is projectingly provided, and the movable element is engaged with the elongated holes 15, 15, 15. 17a, 17a,
Numeral 17b is connected to rotary cylinders 18a, 18a, 18b arranged on the lower surface side of the work table 1 so as to be movable back and forth in the longitudinal direction of the slot 15. The movers 17a, 17a project onto the work table 1 only during operation, and the mover 17b always projects onto the work table 1. An electric sewing machine 19 is provided in the template setting area 1b, and the upper surface of the sewing machine bed 20 of the sewing machine 19 is arranged flat with the upper surface of the work table 1. As shown in FIG. 9, the sewing machine bed 20 is provided with a needle plate 21, and a guide protrusion 22 is fixed on the needle plate 21, and a needle hole 22a provided at the center of the protrusion 22 has a sewing machine head 23 side. The sewing machine needle 23a is configured to be inserted and removed. A feed member (not shown) such as feed teeth for moving the template 5 to the left of the work table 1 is engaged with the needle plate 21, and a pressing roller 24 is arranged above the needle plate 21. 24 is attached to the sewing machine head 23 side so as to be able to move up and down. In FIG. 9, 40 is a thread cutting sensor provided on the sewing machine head 23. This sensor 40 is a thread cutting mark on the template 5.
The thread cutting operation is automatically performed by detecting 5f. Further, the construction of the sewing machine 19 other than the above-mentioned is the same as that of a normal automatic sewing machine with an automatic thread trimming device such as JUKI DDL-505-100 (trade name, manufactured by Tokyo Heavy Machinery Co., Ltd.). A template set cylinder mechanism 25 is provided on the sewing machine bed 20.
Cylinder 25a is fixed, a piston 25b that advances and retracts in the front-back (Y) direction of the work table 1 is fitted to the cylinder 25a, and a guide plate 25c is fixed to the tip of the piston 25b protruding forward of the cylinder 25a. Is arranged behind the guide projection 22 provided on the needle plate 21 so as to face the projection 22. The template raising cylinder mechanism 26 is disposed on the lower surface side of the work table 1 at a position close to the middle area 1d of the template setting area 1b, and the push-up pin 26a that is raised and lowered by the template raising cylinder mechanism 26 works. It can be taken in and out of the upper surface of the table 1. At the back side of the intermediate area 1d, that is, at the rear side, the transport mechanism
A delivery cylinder mechanism 28 and a lateral feed cylinder mechanism 29 are provided. The delivery cylinder mechanism 28 is a cylinder 28
a is fixed on the work table 1, a piston 28b that moves forward and backward in the work table 1 is fitted to the cylinder 28a, and a delivery plate 28c is fixed to the tip of the piston 28b that projects forward of the cylinder 28a. As shown in FIG. 10, in the lateral feed cylinder mechanism 29, the cylinder 42a of the template holding cylinder mechanism 42 is fixed to the piston 29b, and the ascending / descending piston 42b is fitted to the cylinder 42a. A restraining plate 42c is fixed to the lower end of 42b. A template returning mechanism 30 is provided in the product removal area 1c, and this mechanism 30 has a linear elongated hole 43 formed over substantially the entire length of the product removal area 1c in the left-right direction, and the linear elongated hole 43 can be moved in the left-right direction. The engaging element 31 is engaged with the work table 1, and an electric motor 32 that rotates forward and backward is fixed to the lower surface side of the work table 1. A rack bar 34 that is long in the left-right direction is meshed with a pinion 33 that is driven by this electric motor 32. The engagement element 31 is attached to the bar 34. In addition, in FIG. 1 and FIG. 2, 35, 36, 37 are work tables 1
1st, 2nd, 3rd limit switches installed above, in Fig. 1,
38 and 39 are for operating the fabric setting mechanism 6 and the sewing machine 19
Is a foot switch for activating. Next, the operation of this embodiment will be described for the case where two template plates 5 are used. First, when the power of the sewing machine 19 is turned on, the pressing roller 24 moves up. In this state, as shown in FIG. 11, the cloth setting area 1
a, put on the cloth removal area 1c, and turn on the first and second limit switches 35, 36 arranged in these areas 1a, 1c. When the first limit switch 35 is turned on, the rotary cylinders 18a, 18a of the positioning mechanism 7 operate and the movers 17a, 17a move upward while moving to the front side of the elongated holes 15, 15 and the rotary cylinder 18b operates. By moving the mover 17b to the front side of the long hole 15, the mover 17a, 17a that protrudes the left side corner of the lower plate 5b of the one template 5 placed in the fabric setting area 1a onto the work table 1. And by the mover 17b which always projects the right side corner of the lower plate 5b above the work table 1,
It is pressed against the fixing pin 16 and the guide bar 3, and one template 5 is positioned and held at a predetermined position in the dough setting area 1a. In this state, the upper plate 5a of one template 5 is opened, and the cloth 13 to be sewn is aligned with the position 44 indicated by the projector 14 as shown in FIG. And put. Next, when the operator steps on the first step of the foot switch 38 for operating the fabric setting mechanism 6 shown in FIG.
The dough guide cylinder mechanism 8 of the dough setting mechanism 6 shown in the figure is operated to move the dough guide plate 10 around the rotary shaft 11 integrally with the connecting arm 9 from the inclined state of FIG. 1 to the position of FIG. Rotate the cloth guide plate 10 until it reaches a horizontal position as shown in FIG. 5, and move the tip of the cloth guide plate 10 forward to a predetermined position on the lower plate 5b and the cloth 13. In this state, the worker folds the cloth 13 in two by folding back the portion of the cloth 13 protruding from the tip of the cloth guide plate 10 to the back side of the work table 1 to the front side. After that, the upper plate 5a of the template 5 is manually closed, and the upper plate 5a is closed.
The cloth 13 folded in half is held between 5a and the lower plate 5b. Then, by depressing the second step of the foot switch 38, the rotary cylinders 18a, 18a, 18b are moved back to move the mover 17
While moving a and 17a to the inner side of the arc-shaped elongated holes 15 and 15 and retracting them from the work table 1, the mover 17b is moved to the inner side of the elongated hole 15 to the state shown in FIG. Next, the operator holds the left and right ends of the upper and lower plates 5a and 5b protruding from the cloth guide plate 10 with both hands, and the upper and lower plates 5
While pressing the fabric 13 with a and 5b, the fabric guide plate 10 is placed on the back side, that is, the template setting area 1b side, and the upper and lower plates 5a and 5b and the fabric 13 are arranged.
Pull out from. In addition, the upper and lower plates 5a and 5b of the template 5 and the cloth 13
Use the appropriate means to prevent slippage, and the fabric guide plate 10
By making the bottom both sides slippery, the cloth 13 is
It is possible to prevent the position of the lower plate 5a, 5b from being displaced and the position of folding the cloth 13 in two. The upper and lower plates 5a, 5b and the cloth guide plate 10 from which the cloth 13 has been pulled out retreat by the reverse operation of the cloth guide cylinder mechanism 8. The template 5 after the material guide plate 10 is pulled out is fitted with the guide projections 22 projecting on the needle plate 21 of the sewing machine 19 at the starting ends of the groove holes 5d and 5e, and as shown in FIG. Place it on Area 1b.
In this case, the back side edge of the template 5 is brought into contact with the front side surface of the guide plate 25c of the template set cylinder mechanism 25 to position the template 5. In the state shown in FIG. 12, when the operator steps on the stepping switch 39 for starting the sewing machine shown in FIG. 1, the pressing roller 24 is lowered, and the template 5 is lightly pressed onto the needle plate 21 by these. , The sewing machine 19 is activated and the sewing of the folded part of the cloth 13 is started. When the foot switch 39 for starting the sewing machine is pressed again after the sewing machine 19 is started,
You can stop 19 and return to the state before startup,
Also serves as an emergency stop switch. Simultaneously with the start of the sewing machine 19, that is, the foot switch 39
By stepping on, the electric motor 32 of the template returning mechanism 30 is driven to rotate normally, the pinion 33 also rotates normally, and the rack bar 34 moves to the right. Therefore, the engaging element 31 protruding on the work table 1 moves in the straight long hole 43 from the left end portion to the right side, and the engaging element 31
Then, the other template 5 in the product removal area 1c is pushed and moved to the right, and sent to the dough setting area 1a. And
As shown in FIG. 13, the template 5 has the first limit switch 35.
By turning on, the rotary cylinders 18a.18a, 18b of the positioning mechanism 7 operate, and the other template 5 moves to the dough setting area 1a in the same manner as in the case of the one template 5 described above. Positioned and held by 17a and 17b. When the first limit switch 35 is turned on, the electric motor 32 is rotated in the reverse direction and the pinion 33 is also rotated in the reverse direction, so that the engaging element 31 moves to the left of the linear elongated hole 43, returns to the left end portion, and waits.
32 stops. While performing the series of operations described above, the one template 5 is automatically sewn. That is, the groove holes 5d and 5e of the template 5 are fitted in the guide protrusions 22 protruding above the needle plate 21 of the sewing machine 19,
Since the sewing machine 19 is operating, the sewing machine needle 23 moves up and down while one of the template plates 5 is fed to the left by the feed member (not shown) provided on the needle plate 21, and the needle hole 22 provided on the guide protrusion 22.
Plugged into a. Therefore, the upper and lower plates 5a, 5b of the template 5
The two-folded portion of the cloth 13 sandwiched between is sewn along the center of the slots 5d and 5e following these shapes. When this sewing is finished and the thread cutting sensor 40 provided on the sewing machine head 23 detects the thread cutting mark 5f shown in FIG.
The sensor 40 operates, the thread cutting operation is automatically performed, and the sewing machine 19 stops. In this state, the one template 5 is located above the push-up pin 26a. When the sewing machine 19 is stopped, the pressing roller 24 and the sewing needle 23a are kept in the raised position,
By the operation of the thread cutting sensor 40 described above, the template moving cylinder mechanism 26 operates and the push-up pin 26a moves up to push up the template 5. For this reason, the slots 5d and 5e of the template 5 are made into the needle plate 2
It floats up on the guide protrusion 22 provided in 1. In addition, the lower end of the sewing machine needle 23 that is raised at this time is located above the template 5. Then, the template pressing cylinder mechanism 42 fixed to the piston 29b of the lateral feed cylinder mechanism 29 of the transport mechanism 27 operates, and the pressing plate 42c fixed to the piston 42b descends, thereby suppressing the pressing plate. 42c is pressed against the template 5,
Then, the lateral feed cylinder mechanism 29 is operated to frictionally engage the pressing plate 42c and the template 5 with each other, so that they are fed to the left as shown in FIG. Therefore, the template 5
Is guided to the intermediate area 1d and comes into contact with the third limit switch 37, and when this switch 37 is turned on, the template holding cylinder mechanism 42 operates, and the holding plate 42c releases the template 5 and rises. At the same time as returning, the lateral feed cylinder mechanism 29 operates and the template holding cylinder mechanism 42 returns to the right. At the same time when the template restraining cylinder mechanism 42 returns, the delivery cylinder mechanism 28 of the transport mechanism 27 operates and the piston
The template 5 is pushed out toward the front side by the delivery plate 28c attached to 28b, sent from the intermediate area 1d to the product removal area 1c, and abuts on the second limit switch 36.
Turn on 36. When the second limit switch 36 is turned on, the delivery cylinder mechanism 28 operates and the delivery plate 28c returns.
In the product removal area 1c, the operator opens the upper plate 5a of the one template 5 guided here, and the cloth, that is, the sewn product, for which the sewing is finished is taken out from the template 5. Then, at the same time when the sewing of one template 5 is started, the other template 5 is sent to the material setting area 1a and is then positioned and held by the positioning mechanism 7, so that one template 5 is then removed from the product removal area. By the time it is sent to 1c,
The dough 13 for the other template 5 using the dough setting mechanism 6
Set. Therefore, by repeating the series of operations described above, the operator can overlap the setting of the cloth on the template and the taking out of the sewn product from the template. In addition, at the appropriate time before setting the other template with the fabric set in the template setting area 1b and performing automatic sewing,
The push-up pin 27c is lowered and returned. FIG. 14 shows a modification of the means for positioning the cloth with respect to the template. A small marking hole 13a is punched in the cloth 13, a hole or groove 45 is formed in the work table 1, and a lamp 46 is installed below it. The light is applied to the cloth 13 from below. By doing the above, the positioning of the cloth 13 can be easily performed, and the work for moving the template 5 together with the cloth 13 set on the template 5 from the cloth setting area 1a to the template setting area is also performed on the work table. This can be done easily because there is no floodlight. In the above-described embodiment, the dough setting mechanism and the template positioning mechanism are provided on the work table provided with the sewing machine. Even if it is provided on a work table without a sewing machine such as a dedicated one, a large number of templates with the cloth set therein can be sewn by an automatic sewing machine that follows the template such as the one shown in the above-mentioned Japanese Utility Model Publication No. 62-608. Good. Further, it is preferable that the dough guide plate of the positioning mechanism can be replaced according to the dough or the tip position at the time of forward movement can be adjusted. Further, the template may be configured such that the upper and lower plates can be held in a closed state by appropriate means.

[Effect of device]

As described above, in the dough setting device for the template according to the first aspect of the present invention, the upper and lower plates having the guide grooves are connected so that they can be opened and closed, and the lower plate wider than the upper plate is located on the front side. Using a projecting template, place the template on the work table with the connecting parts of the upper and lower plates on the back side on the work table, and operate the engaging elements on one side and the other side of the positioning mechanism. And the fixing pin press the template against the guide bar to hold it in a fixed position on the work table. In this state, after positioning and placing the dough on the lower plate of the template with the upper plate open, operate the cylinder mechanism of the dough setting mechanism and rotate the dough guide plate via the connecting arm, Advance and stop the guide plate until the tip of the guide plate reaches a predetermined position on the lower plate, fold back the part of the cloth projecting from the tip of the cloth guide plate toward the front side, and stack it on the cloth guide plate. Fold the dough in place by closing the plate. After that, holding both ends of the upper and lower plates by hand, sandwich the dough between the upper and lower plates of the template, and return all the engaging elements to operate to release the retention of the template and guide the template to the dough guide. By pulling out from the plate, the setting of the dough on the template is completed. Therefore, unlike the above-mentioned conventional cloth setting device, even if the cloth is not folded in advance with an iron or the like, the cloth is accurately positioned at a predetermined position of the template, and the cloth is folded at the predetermined position. Setting up between the upper and lower plates of the template can be done easily without the need for skill, and no defective products occur during sewing.

[Brief description of drawings]

1 and 2 are a schematic perspective view and a schematic plan view showing an automatic sewing device equipped with a material setting device for a template according to an embodiment of the present invention, and FIGS. 3 and 4 are plan views of the template. Fig. And the same as the above perspective view with the plate open, Fig. 5 is a partial cross-sectional side view showing the main part of the fabric setting mechanism, and Figs. 6 and 7 are partial perspective views showing different states of the fabric guide plate. FIG. 8 is a perspective view showing a fabric positioning portion of the fabric setting mechanism, FIG. 9 is a perspective view of the sewing machine portion, FIG. 10 is a front view of the transport mechanism, and FIGS. 11, 12 and 13 are different from each other. FIG. 14 is a cross-sectional explanatory diagram showing a modified example of the cloth positioning portion, and FIG. 1 …… Work table, 1a …… Dough setting area, 1b ……
Template setting area, 1c …… Product removal area, 1d …… Intermediate area, 3,4 …… Guide bar, 5 …… Template, 5a, 5b …… Upper plate, lower plate, 5d, 5e …… Slot holes , 6 …… Dough setting mechanism, 7
…… Positioning mechanism, 8 …… Cylinder mechanism for material guide,
9 ... Connecting arm, 10 ... Fabric guide plate, 11 ... Rotating shaft, 12 ... Mounting rod, 13 ... Fabric, 14 ... Emitter, 15 ...
Arc-shaped long hole, 16 ... Fixing pin, 17a, 17b ... Mover, 18a, 1
8b ... Rotary cylinder, 19 ... Electric sewing machine.

Claims (1)

[Scope of utility model registration request] 1. An upper and lower plate having guide grooves formed therein is openably and closably coupled, and a lower plate having a width wider than that of the upper plate is sandwiched by a mold plate projecting toward the front side, and the mold plate is moved. , A material setting device for a template used for automatically sewing material along the guide groove by a sewing machine, and positioning the template so that the template is releasable with the connecting portion of the upper and lower plates on the working table The positioning mechanism includes a holding mechanism and a dough setting mechanism that folds the dough positioned on the lower plate of the template into two. The positioning mechanism causes the fixing pin to protrude to one side of the work table and has an arc-shaped long hole. The engaging element that is engaged with the work table so as to move forward and backward, and the engaging elements that engage with the two arcuate long holes on the other side portion of the work table, respectively, are projected only during operation, and With the guide bar protruding, The mechanism connects the piston of the cylinder mechanism provided on the work table to the connecting arm, pivotally attaches the base end of the connecting arm to the work table, and attaches the dough guide to the tip of the connecting arm located on the front side of the work table. A dough setting device for a template, characterized in that the base end is fixed and the tip of the dough guide is moved backwards to a predetermined position on the lower plate of the template.