JPH0863Y2 - Automatic sewing machine for template - Google Patents

Description

[Detailed description of the device] [Industrial applications]

The present invention relates to a template-pattern automatic sewing device used for various kinds of sewing such as various darts sewing, pin tuck sewing, jacket side by side, and back center sewing.

[Prior art]

Conventionally, as shown in Japanese Utility Model Publication No. 62-608, for example, a template having upper and lower plates in which guide grooves are formed is connected so that it can be opened and closed, and a material cut between the upper and lower plates of the template is used. Sandwich the
An automatic pattern-plate sewing machine that sewes the material along the guide groove by a sewing machine while moving the template on a work table is used for mass-producing sewn products.

[Problems to be solved by the device]

However, in the conventional automatic sewing machine that uses a template as described above, the template is moved on the work table with the cut and positioned material sandwiched between the upper and lower plates. However, in many cases, only the work of sewing the fabric is automated, and the work such as conveying the template after sewing the fabric, taking out the sewn product from the template, and setting the fabric on the template after that is efficient. It is not possible to do well, and by taking out the sewn products from the template and setting the material on the template afterwards outside the work table, it is possible to use a large number of templates or require a large space for work. There was a problem to do. This invention solves the above-mentioned conventional problems, and
Using a small number of templates, such as 3 pieces, you can efficiently perform the work from setting the material to the template, sewing, and taking out the sewn product from the template without requiring a large space.
It is an object of the present invention to provide an automatic sewing machine that follows a template and is economically excellent.

[Means for Solving the Problems]

According to a first aspect of the present invention, the upper and lower plates of the guide plate are formed so as to be openably and closably connected, and the material is cut between the upper and lower plates, and the template is moved on a work table. ,
In an automatic pattern plate sewing machine that sewes the material along the guide groove with a sewing machine, the material is positioned and sandwiched between the upper and lower plates of the template located on one side front side on the work table. A fabric setting area, an intermediate area located on the other side back side, and a product removal area located on the one side back side for taking out the sewn product from the template are provided, and three arc-shaped long holes provided on the work table are provided. A positioning mechanism for positioning and holding the template in the dough setting area is placed on the work table by pressing the template against the guide bar fixed to the front side of the work table by the mover and the fixing pin that are engaged to advance and retract respectively. Provided in the template setting area is a sewing machine sewing bed for sewing the material while moving the template sent from the material setting area to the other side of the work table. With the output cylinder mechanism, a transfer mechanism that automatically feeds the template to the product removal area after sewing the material and thread cutting to the product removal area from the template setting area to the intermediate area is formed in the product removal area. The work table is provided with a template returning mechanism that automatically feeds the template from which the sewn product is taken out from the product removal area to the material setting area by the engaging element that reciprocally engages with the linear long hole. It is a thing.

[Action]

According to another aspect of the invention, there is provided an automatic sewing machine for profiling a template according to the first aspect of the invention, in which a cloth is sandwiched between the upper and lower boards of a template positioned by a positioning mechanism in a cloth setting area provided on one side of the work table. The operator manually feeds the template into the template setting area provided on the back side of one side of the work table by folding it, and drives the sewing machine to form it on the upper and lower plates of the template. The fabric is sewn while sending the template to the intermediate area along the guide groove, and the thread is cut after the sewing machine stops.
By operating the lateral feed cylinder mechanism and the delivery cylinder mechanism of the transport mechanism, the template is sent from the template set area through the intermediate area to the product removal area, the sewing product is manually removed from the template, and the template return mechanism is used. The template is returned from the product removal area to the cloth setting area by the operation of the engaging element, the template is positioned by the positioning mechanism, and the above-described operation is repeated thereafter. Therefore, according to the invention of claim 1, the template can be used by circulating each area on the work table, the space required for the work can be made smaller than that of the above-mentioned conventional one, and one automatic sewing device can be used. The number of templates used can be as small as 2-3, and the material can be set on another template while sewing the material sandwiched between one template, so that one side of the work table can be used. It is possible to manually set the fabric on the template and remove the sewn product from the front side and the front side on the other side.
It can be easily carried out by a human operator, and moreover, it is possible to convey the template to the product removal area from the start of sewing with the sewing machine, and to return the template from which the sewn product has been removed to the material setting area by the transport mechanism and template return mechanism. It can be done automatically and the work from setting the fabric on the template to removing the sewn product from the template can be performed efficiently.

【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 and 5b are provided with slot holes 5d and 5e of a required flat shape which coincide with each other when they are closed, and a thread cutting 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 front end projecting forward is connected to the upper end of the end portion of the left and right connecting arm 9 having a substantially elliptical shape on the side surface. The base end of the cloth guide plate 10 having a smaller left-right (X) direction is fixed, the front end of the cloth guide plate 10 extends on the work table 1, and the lower end of the end of the connecting arm 9 is the rotating shaft 11.
Is pivotally attached to the work table 1 side. Further, as shown in FIG. 8, the vertical portion 12b of the mounting rod 12 bent downward from one end of the horizontal portion 12a straddling the template 5 arranged in the cloth setting area 1a is fixed on the work table 1. A projector 14 for positioning the cut cloth 13 is 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 bed 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 bed 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 bed 23, and 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 cylinder 25a of a template setting cylinder mechanism 25 is fixed to the sewing machine bed 20, and the work table 1 is attached to the cylinder 25a.
The piston 25b that moves forward and backward (Y) is
A guide plate 25c is fixed to the tip of the piston 25b protruding forward of the cylinder 25a, and the guide plate 25c is arranged behind the guide protrusion 22 provided on the needle plate 21 so as to face the protrusion 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 templates 5 and 5 are placed in the cloth setting area 1a and the cloth removing area 1c, and the first and second limit switches 3 arranged in these areas 1a and 1c.
Turn on 5,36. 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 slots 15, 15 and the rotary cylinder 18b operates. Then, by moving the mover 17b to the front side of the elongated hole 15, the left side corner of the one template 5 placed in the dough setting area 1a is moved by the movers 17a and 17a protruding above the work table 1. In addition, the right side corner always projects above the work table 1 so that the mover 17b
By pressing on the fixing pin 16 and the guide bar 3,
One template 5 is positioned and held at a predetermined position in the cloth 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, 17b. Also, the first
When the 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.
To the left, returns to the left end and stands by, and the electric motor 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 bed 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 material on the template and the taking out of the sewn product from the template. The push-up pin 27c is lowered and returned at a suitable time before the other template on which the material is set is set in the template setting area 1b and automatic sewing is performed. 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 embodiment, the dough setting mechanism is used to fold the dough in two and set it on the template. However, depending on the dough, the template set in the dough setting area without using the dough setting mechanism is positioned and held. The dough may be set in the dough, and when only such dough is used, the dough setting mechanism may not be provided. If the sewing time is long, use three template plates,
One of these may be in the cloth setting area, the other one may be in the template setting area to the intermediate area, and the other one may be in the product removal area.

[Effect of device]

As described above, in the automatic template sewing machine according to the first aspect of the invention, in the material setting area provided on the one side front side on the work table, between the upper and lower plates of the template positioned by the positioning mechanism. By sandwiching the dough and folding it in half, the operator manually sends the template to the template setting area provided on the back side of one side of the work table, and drives the sewing machine to drive the template onto the template, The fabric is sewn while feeding the template along the guide groove formed on the lower plate to the intermediate area side, the thread is cut after the sewing machine is stopped, and the lateral feed cylinder mechanism and the delivery cylinder mechanism of the transport mechanism are operated to move the template. From the template setting area to the product removal area via the intermediate area, remove the sewing product from the template by manual operation, and return the template from the product removal area to the fabric setting area by the operation of the engaging element of the template returning mechanism, position Positioning the template by fit mechanism, it is intended to repeat the operations thereafter above. Therefore, according to the invention of claim 1, the template can be used by circulating each area on the work table, the space required for the work can be made smaller than that of the above-mentioned conventional one, and one automatic sewing device can be used. The number of templates used can be as small as 2-3, and the material can be set on another template while sewing the material sandwiched between one template, so that one side of the work table can be used. One operator can easily set the fabric on the template and remove the sewn product from the front side of the part and the front side of the other side, and the product removing area from the start of sewing the template with the sewing machine It is possible to automatically transfer the sewn products to the fabric and to return the template from which the sewn products have been removed to the fabric setting area automatically by the transport mechanism and the template return mechanism. Work up to efficiently Door can be.

[Brief description of drawings]

1 and 2 are a schematic perspective view and a schematic plan view showing a template slicing automatic sewing apparatus according to an embodiment of the present invention, and FIGS. 3 and 4 are a plan view of the template and an upper plate thereof. FIG. 5 is a perspective view, FIG. 5 is a partial sectional side view showing an essential part of the dough setting mechanism, FIGS. 6 and 7 are partial perspective views showing different states of the dough guide plate, and FIG. FIG. 9 is a perspective view showing a cloth positioning portion, FIG. 9 is a perspective view of a sewing machine portion, FIG. 10 is a front view of a transport mechanism, and FIGS. 11, 12, and 13 are operation explanatory views in different states, FIG. 14 is a cross-sectional explanatory view showing a modified example of the material positioning unit. 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, 20 ... Sewing machine bed, 21 ... Needle plate, 22 ... Guide protrusion, 23a.
Sewing machine needle, 24 …… pressing roller, 25 …… template setting cylinder mechanism, 26 …… template lifting cylinder mechanism, 27 …… transport mechanism, 28 …… delivery cylinder mechanism, 29 …… sideways feed cylinder mechanism , 30 …… template return mechanism, 31 …… engaging element, 32 …… electric motor, 33 …… pinion, 34 …… rack bar, 35, 36, 37…
… Limit switches, 38, 39… Foot switches, 42…
… Cylinder mechanism for holding template, 43… Straight long hole.

Claims (1)

[Scope of utility model registration request] 1. A cut plate material is sandwiched between the upper and lower plates of a template having upper and lower plates openably and closably connected to each other, and the template is moved on a work table. In an automatic pattern plate sewing machine that sewes the material along the guide groove with a sewing machine, the material is positioned and sandwiched between the upper and lower plates of the template located on one side front side on the work table. A fabric setting area, an intermediate area located on the other side back side, and a product removal area located on the one side back side for taking out the sewn product from the template are provided, and three arc-shaped long holes provided on the work table are provided. A positioning mechanism for positioning and holding the template in the dough setting area is placed on the work table by pressing the template against the guide bar fixed to the front side of the work table by the mover and the fixing pin that are engaged to advance and retract respectively. Provide the mold A sewing machine sewing machine bed is provided to sew the material while moving the template sent from the material setting area to the other side of the work table in the setting area, and the horizontal feed cylinder mechanism and the delivery cylinder mechanism enable the intermediate area from the template setting area. An engaging element that reciprocally engages with a straight long hole formed in the product removal area by arranging a transport mechanism that automatically feeds the template to the product removal area after sewing and thread cutting of the fabric in the product removal area An automatic sewing machine according to a template, characterized in that a template returning mechanism for automatically feeding the template from which the sewn product is taken out from the product removing area to the fabric setting area is provided on the work table.