JPH11235488A - Tucker in pocket setter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automate sewing by arranging a pressing plate, the head of which matches the shape of the inside perimeter of a needle groove, movably vertically and holding a pocket fabric inserted between a work table and a template with both of them by downward movement of the template. SOLUTION: The pusher pin 53 of a pusher 52 is projected by treading a pedal, and moves a template 32 upward. A pocket fabric is set on a frame plate below the template 32 by placing the periphery on the head portion of a tucking plate. Then the template 32 is moved downward by releasing the pedal from treading and sinking the pusher pin 53. Thus, the pocket fabric is pressed against the work table 6. Simultaneously, the rod 69 of a pressing cylinder 68 on the sewing machine body 2 side is extended. The template 32 and the pocket fabric are pressed toward the work table 6, tucking plates advance sequentially, two side areas, a lower area, corner areas are tucked up sequentially above the template 32. Thus, tucking is executed automatically.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pocket setter for sewing a folded pocket cloth around a body.

[0002]

2. Description of the Related Art The sewing operation of a pocket cloth differs in the material, the thickness, the size, and the shape of the cloth, and as a result, it is necessary to prepare tools that meet these conditions. Therefore,
In a conventional pocket setter a, as shown in FIG. 17, a sewing machine main body c is attached to one end of a horizontally long work table b.
Are provided on the other end side of the work table b, respectively. A folding plate d is provided, and the folding device d is vertically slidable and movable forward and backward. It is composed of a folding gauge f freely arranged. And
(1) The body g is set on the folding device d side on the work table b, and the pocket cloth h is set on the template e above it. (2) With the template e and the folding gauge f above it. While the pocket cloth h is pinched, the folding plates i, i... Below the folding gauge f are advanced to fold the outer peripheral portion of the pocket cloth h below the template e, and then the template e and the folding gauge f are lowered. Swing, pocket cloth h
Is pressed to the body g side, (3) the folding plates i, i... Are retracted to swing the folding gauge f upward, and can be moved up and down and back and forth and left and right reciprocally slidably waiting under the sewing machine main body c. Then, the holding plate j formed with the needle groove (not shown) is slid toward the folding device d and then lowered to press down the pocket cloth h and the body g, and (4) the template e is retracted and pulled out. Then, the holding plate j is slid to the sewing machine main body c side, and the body g on which the pocket cloth h is set is moved below the sewing machine main body c. Then, the body g on which the pocket cloth h is set is moved by the holding plate j so as to sew along a needle groove (not shown) in the holding plate j,
The pocket cloth h was sewn to the body g.

[0003]

However, the folding device d in the pocket setter a described above has a problem to be solved as follows. (1) Since the template e on which the pocket cloth h is set is arranged above the worktable b in a state of being separated from the worktable b in an inclined state, it is very unstable.
Even when the pocket cloth h is pinched by the template e and the folding gauge f, the pinching force is weak, and the pocket cloth h in the folded state is also used.
Is set in a state in which only the folded portion is pressed to the body g side by the template e, and for example, when the pocket cloth h is a soft material such as a knit, the folded plates i, i ...
When the outer peripheral portion of the pocket cloth h is folded, the pocket p is drawn out from the portion sandwiched by the template e and the folding gauge f in the pocket cloth h, that is, extended, and a deformed pocket p is formed. (2) Since the shape of the pocket p is various, various parts must be replaced accordingly. Especially, the folding gauge f is a mechanical part including a driving source of the folding plates i, i. Therefore, the folding gauge f must be prepared so as to correspond to the shape and size of all the pockets p, resulting in high cost. (3) In the work of replacing the folding gauge f, not only the mechanical replacement but also the replacement of the electric wiring is required, so the replacement work is troublesome. As a result, automation of pocket sewing has been hindered.

[0004]

SUMMARY OF THE INVENTION The present invention is based on the above-mentioned prior art, and in view of the problem (1), a plurality of folding plates can be moved back and forth on the outer peripheral side of a needle groove provided on a work table below a sewing head. And a vertically movable and retractable template with a tip that matches the outer shape of the pocket, and a vertical plate above the template with a tip that matches the inner shape of the needle groove. Arrange freely, move the template upward, set the pocket cloth between the work table and the template, and then move the template downward to firmly sandwich the pocket cloth between the stable work table and the template. The above-mentioned problem is solved by attaching the cloth so that the cloth is not fed out from the pinched portion of the pocket cloth even when the folding plate advances thereafter. Also, (2),
In view of the problem (3), by attaching and detaching a frame plate, a mold plate, a folding plate, and a holding plate formed of a plate material to a predetermined shape to and from the work table and each driving unit attached to the work table side, The above-mentioned problem is solved by making such a component simple and cost-effective, and eliminating the need to attach / detach electrical wiring and facilitating replacement work.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, in a pocket setter 1 in which a pocket P is formed by sewing a pocket cloth W to a body B, the pocket setter 1 is placed on a setting table 3 of a sewing machine main body 2, and In addition, a work table 6 movable in the X-Y directions is provided, and a folding device 7 is provided on the work table 6.

The work table 6 is long in the Y direction,
A notch 8 for installing the folding device 7 from the rear end to the front end
Are formed. In the work table 6,
An upper rail 9 disposed below the upper rail 9 is movable in the X direction, and a lower rail 10 disposed below the upper rail 9 and disposed at a right angle to the upper rail 9 is movable in the Y direction. And a single slide or a combined slide in the Y direction to form a straight, diagonal or curved seam H. More specifically, an upper rail 9 is fixedly mounted on the lower surface of the work table 6, a lower rail 10 is fixedly mounted on the upper surface of the mounting table 3, and a pair of upper sliders 12 and 12a fixed on the upper surface of the connecting plate 11 are fixed to the upper rail 9. A pair of lower sliders 13 and 13a fixed to the lower surface of the connecting plate 11 are slidably fitted to the lower rail 10 from above.

A drive unit 14 for sliding the work table 6 in the X direction is disposed on the rear side of the sewing machine body 2. The drive unit 14 winds a belt 16 around a pair of pulleys 15 and 15a. Then, one end of the connecting rod 17 is slidably attached to the work table 6 in the Y direction, and the other end of the connecting rod 17 is fixed to an intermediate portion of the belt 16. One pulley 15 is connected to the drive shaft 19 of the motor 18. The work table 6 is slid in the X direction by the motor 18 being mounted in the forward and reverse directions. Further, one end of the connecting rod 17 is connected to the worktable 6.
It is connected to a slider 17b which is slidable relative to a linear way 17a long in the Y direction provided on the upper surface. In the drive unit 20 that slides the work table 6 in the Y direction, a pair of pulleys 21 disposed at both ends of the lower rail 10 are provided.
A belt 22 is wound around 21a, and the belt 22 and the lower sliders 13, 13a are connected by a connecting plate 23. A large pulley 25 attached to the lower end of a shaft 24 on which one of the pulleys 21 is attached, and a drive shaft of a motor 26 fixed to the mounting table 3.
A belt 29 is wound between small pulleys 28 attached to the motor 27, and the work table 6 is slid in the Y direction by forward / reverse driving of a motor 26. Motors 18 and 26 are
The work table 6 is stopped in a state where the needle S of the sewing machine main body 2 is stuck in the body B and the pocket cloth W, and the work table 6 is controlled to slide by one glance in a state where the work table 6 is lifted out of the body B and the pocket cloth W. Have been.

Further, in the folding device 7, the sewing head 4
And a plurality of folding plates 31 and 31a, which are removably disposed immediately below the frame plate 30, and which are removably disposed on the outer peripheral side of the frame plate 30.
The pocket cloth W includes a template 32 for folding an outer peripheral portion of the pocket cloth W into a predetermined shape, and a pressing plate 33 for pressing the set pocket cloth W and body B toward the work table 6.

Further, the frame plate 30 is formed by laminating two plate members, and the notch into which the tip of the template 32 is fitted.
An upper layer plate 35 having a groove 34 formed thereon and a lower layer plate 37 having a needle groove 36 formed therein, and the cut 34 in the upper layer plate 35 and the outer edge of the needle groove 36 in the lower layer plate 37 are made to coincide. Also, upper plate 35
Mounting pieces 38, 38a are projected outward on both sides of the upper surface on the rear side of
Cuts 39, 39a are formed in the front edges of the mounting pieces 38, 38a, and screws, bolts, etc., which are inserted through the cuts 39, 39a from above, are screwed into the work table 6, and Frame plate
30 is fixed.

The folding plates 31, 31a are bent plates having a falling portion at an intermediate portion, and are arranged so as to fold both side portions, lower portions, and corner portions of the pocket cloth W. ing. Also, the leading edge of the folding plates 31, 31a.
A notch (not shown) formed to match the outer edge of the needle groove 36 in 30 and corresponding to a wrinkle formed in the outer peripheral portion of the folded pocket cloth W may be formed in this portion. good. The cylinders 41, 41a are placed on the work table 6 below the folding plates 31, 31a, and the folding plates 31, 31a,.
Are arranged in such a manner as to extend and contract in the forward and backward directions, and the rods 42, 42a of the cylinders 41, 41a are fixed to the folding plates 31, 31a. .. Are arranged outside the outer edge of the needle groove 36 in the initial state.
The advance / retreat control is performed so as to advance to the inside from the inner edge of the needle groove 36.

Next, the template 32 is removably mounted on the reciprocating means 46 of the template 32.
A mounting plate 45 is provided at a front portion of a pull-out plate 43 slidable back and forth in a direction via a pair of spring plates 44 and 44a, and a template 32 is mounted on the mounting plate 45. A cylinder 47 is provided on the lower surface side of the work table 6, and the rod 48 of the cylinder 47 is fixed to the rear end of the drawing plate 43. Let me. Also, rails installed side by side on cylinder 47
49 is fixed to the lower surface of the pull-out plate 43, and a rail guide 50 slidably fitted to the rail 49 from below is fixed to the work table 6 side. Further, a mounting frame 51 is provided in the middle of the work table 6 behind the frame plate 30 so as to straddle the cut 8, and a pusher 52 is provided at a central portion of the mounting frame 51. The pin 53 is configured to be able to protrude and retract from the upper surface of the mounting frame 51. Then, the template 32 is moved up and down by the pusher pin 53 coming and going,
Specifically, when the pusher pin 53 is projected, the spring plate
44, 44a are elastically deformed, and the template 32 is lifted up,
When the pusher pin 53 is retracted, the template 32 is pressed against the work table 6 by the elastic restoring force of the spring plates 44 and 44a. Further, the tip side of the template 32 is made to conform to the shape of the pocket P, and triangular cuts 74, 74a are formed at positions corresponding to the folding corners above the pocket cloth W. Also, template 32
Cuts 54, 54a are provided at the rear end side of the
Screws, bolts, etc., which have been inserted through the inside from above, are screwed into the mounting plate 45, and the template 32 is fixed to the mounting plate 45. In addition, a plurality of window holes 55, 55a...
Even when the pocket cloth W is pressed with 32, the pattern and pattern of the pocket cloth W can be seen from the window holes 55, 55a.

Next, the holding plate 33 is removably attached to the vertical moving means 58 of the holding plate 33. In the vertical moving means 58, a pair of spring plates 61, 61a are provided on the work table 6 side.
Pressing plate 33 is attached to the distal end side of connecting plates 57 and 57a connected through
On the other hand, a mounting frame 60 is horizontally installed between the rear portions of a pair of side plates 59 and 59a opposed to the rear end of the cut 8 in the work table 6, and a spring plate 61 is mounted on the mounting frame 60. , 61a are fixed. A mounting frame 62 is horizontally erected between the front sides of the side plates 59 and 59a, and a pressing cylinder 63 is disposed on the front surface of the mounting frame 62, and a rod 64 of the pressing cylinder 63 is provided.
Is connected to the upper surface of the mounting plate 56 of the holding plate 33,
The pressing plate 33 is moved up and down by the expansion and contraction of the rod 64 and is pressed against the work table 6 side. or,
The outer periphery of the holding plate 33 is aligned with the inner edge of the needle groove 36 in the frame plate 30 to securely hold the folded portion of the pocket cloth W, and the holding plate 33 interferes with the sewing operation of the pocket cloth W. I try not to be. Cuts 65, 65a are provided on the rear end side of the holding plate 33, and screws, bolts, etc., which are inserted through the cuts 65, 65a from above, are screwed into the mounting plate 56, and the mounting plate 56 The holding plate 33 is fixed to the holding member. In the holding plate 33, a large-diameter window hole 67 is formed in the center, and on the other hand, a holding cylinder 68 of the template 32 is provided on the side of the sewing machine body 2, and the holding cylinder 68 penetrates the window hole 67. At the same time, the rod 69 is extended to hold down the template 32. Marking lights 70 and 70a for aligning the pattern of the body B and the pocket cloth W are provided on the sewing machine body 2 side.

The lower ends of the side plates 59 and 59a are projected downward from the lower surface of the work table 6, and a mounting frame 71 is horizontally provided between the lower ends of the side plates 59 and 59a. 47 and rail guide 50 are fixed. or,
Connecting pillars 72, 72 are provided at both ends of the mounting frame 51 provided with the pusher 52.
a, a horizontal frame 73 is provided between the lower ends of the connecting columns 72, 72a, and an upper rail 9 in the X direction is fixed to the lower surface of the horizontal frame 73.

The shape of the needle groove 36, the tip edges of the folding plates 31, 31a, and the outer peripheral shapes of the template 32 and the holding plate 33 are pockets P.
Different types of frame plate 30, folding plate
, 31a..., A template 32 and a holding plate 33 are prepared so that they can be exchanged for ones according to the outer shape of the pocket P.

Next, the operation of the pocket setter according to the present invention will be described. (1) Depressing a pedal (not shown), protruding the pusher pin 53 of the pusher 52, moving the template 32 upward, and moving the pocket cloth W above the frame plate 30 under the template 32, The outer peripheral portion is set so as to be placed on the leading end of the folding plates 31, 31a (see FIGS. 10, 11 and 16 (a)). (2) The pedal (not shown) is released, the pusher pin 53 of the pusher 52 is immersed, the template 32 is moved downward, and the pocket cloth W is pressed against the work table 6 and the presser on the sewing machine main body 2 side. The rod 69 of the cylinder 68 is extended, and the template 32 and the pocket cloth W are pressed against the work table 6 so that the folding plates 31, 31b, 31d for folding both sides and the lower part of the pocket cloth W, and then the corners are formed. The outer peripheral portion of the pocket cloth W is folded over the template 32 by advancing in the order of the folding plates 31a and 31c to be folded (FIGS. 12, 13 and 16).
(B)). (3) After setting the body B above the pocket cloth W after confirming its position, the rod 64 of the pressing cylinder 63 is extended and the holding plate 33 is moved downward, so that the body B and the pocket cloth W are moved.
Pressing the work table 6 with the interposition of the folding plates 31, 31a... And the template 32 therebetween, the folding plates 31, 31a.
The body 32 and the pocket cloth W are sequentially retracted.
Is pressed against the work table 6 (FIGS. 14 and 15 and FIG. 1).
6 (c)). Then, the work table 6 is slid so that the needle S of the sewing machine main body 2 always passes through the center of the needle groove 36 of the frame plate 30, and the pocket cloth W is put on the body B as shown in FIG. Sewing is performed to form a pocket P. At this time, since the work table 6 slides intermittently in response to the continuous vertical movement of the needle S, even if the body B and the pocket cloth W made of a soft material are sewn at a high speed, the work table 6 is hooked by the needle point. Does not scratch.

In the case of a patterned object, the marking lights 70, 70
The light spot emitted from a is applied to the pattern on the pocket cloth W side seen from the window holes 55, 55a,... of the template 32, so that the light spot hits the pattern of the body B that matches the pattern on the pocket cloth W side. Set B.

[0017]

In short, according to the present invention, a plurality of folding plates 31, 31a... Are provided on the outer peripheral side of the needle groove 36 provided on the work table 6 below the sewing head 4 so as to be able to advance and retreat. By setting a template 32 described later on the pocket cloth W placed at a predetermined position, the pocket cloth W can be set in a stable state on the work table 6, and the folding plates 31, 31a. If proceeding, the folding plates 31, 31
.. can be automatically folded by sandwiching the outer peripheral portion of the pocket cloth W positioned at the tip of a .... between the folding plates 31, 31a ... and the template 32. In addition, the template 32 whose tip matches the outer peripheral shape of the pocket P is detachably mounted on the tip of the mounting plate 45 movably provided on the advance / retreat means 46 so that the pocket cloth W
Can be set between the work table 6 and the template 32, and the pocket cloth W is strongly sandwiched between the stable work table 6 and the template 32, so that the pocket cloths 31, 31a. Even when folded back, the fabric is fed out from the portion sandwiched between the work table 6 and the template 32 and is not deformed. Therefore, even if the pocket cloth W is a soft cloth such as a knit, it is ensured. And the template 32 can be retracted so as not to hinder the sewing operation of the pocket cloth W to the body B. In addition, the pressing plate 33 whose tip matches the inner edge shape of the needle groove 36 is moved up and down by
Since the body B is detachably provided at the tip of the pocket cloth W, the body B can be securely pressed and brought into contact with the entire outer peripheral portion of the folded pocket cloth W. Therefore, in the folding device 7 according to the present invention, the folding plate 31, which matches the shape of the pocket P,
31a…, just replace the mold plate 32 and the holding plate 33,
Such replacement work can be facilitated, and the folding plate
, 31a..., The template 32 and the pressing plate 33 are formed by appropriately processing plate materials. Therefore, even if the folding plates 31, 31a. The cost can be reduced and the cost can be reduced.

Further, since the needle groove 36 is formed in the frame plate 30 which is detachable from the work table 6, the needle groove 36 can be adapted to the shape of the pocket P without changing the whole work table 6 with the change of the shape of the pocket P. Since only the frame plate 30 to be replaced can be replaced, the replacement work can be simplified and the cost can be reduced.

Further, the frame plate 30 is connected to a lower plate 37 having a needle groove 36 formed therein.
And the upper layer plate 35 provided with the notch 34 into which the tip of the template 32 fits, which is matched to the outer edge of the needle groove 36,
When the pocket cloth W is set on the frame plate 30 and the tip of the template 32 is fitted into the notch 34 from the pocket cloth W, the pocket cloth W is placed between the lower layer plate 37 and the template 32 of the frame plate 30. , And the outer peripheral edge of the template 32 and the notch 34 of the upper plate 35, so that even if the pocket cloth W is a soft cloth,
The outer peripheral portion of the pocket cloth W can be accurately folded without the expansion and contraction and deformation of the pocket cloth W caused by the folding of the outer peripheral portion of the pocket cloth W due to the progress of 1, 31a. Further, during the folding process, the pocket cloth W in the folded state is held in the frame plate 30 by the lower layer plate 37 and the holding plate 33 of the frame plate 30 and sandwiched together with the body B in a sandwich shape. , The pocket cloth W and the body B can be sewed accurately without any positional displacement or misalignment.

Also, window holes 55 and 55a are formed in the mold plate 32 and the holding plate 33.
, 67 are provided, so that the patterns and patterns of the pocket cloth W and the body B pressed by the template 32 can be seen through the window holes 55, 55a. , And the pattern can be surely aligned. In addition, since the holding cylinder 68 of the template 32 that penetrates the window hole 67 of the holding plate 33 is provided on the sewing machine head 4, the template 32 can be securely pressed against the pocket cloth W. 31a…
, The expansion and contraction and deformation of the pocket cloth W caused by the folding of the outer periphery of the pocket cloth W due to the progress of the movement can be reliably prevented, and the outer periphery of the pocket cloth W can be more accurately folded. Things.

[Brief description of the drawings]

FIG. 1 is a schematic front view of a pocket setter.

FIG. 2 is an enlarged view of a main part of FIG.

FIG. 3 is a front view of a main part of the pocket setter from which a folding plate is omitted.

FIG. 4 is an enlarged plan view of a driving unit that slides a work table in an X direction.

FIG. 5 is a plan view of a frame plate.

FIG. 6 is a plan view of a template.

FIG. 7 is a plan view of a holding plate.

FIG. 8 is a schematic plan view of a work table in a state where a template and a holding plate are removed.

FIG. 9 is a central sectional view of FIG. 8;

FIG. 10 is a schematic plan view of the work table showing a state where a pocket cloth is set in the work table folding device;

FIG. 11 is a central sectional view of FIG. 10;

FIG. 12 is a schematic plan view of a work table showing a state where an outer peripheral portion of a pocket cloth is folded by a folding plate.

FIG. 13 is a central sectional view of FIG.

FIG. 14 is a schematic plan view of a work table showing a state where a holding plate is set on the body.

FIG. 15 is a center sectional view of FIG. 14;

FIG. 16 is a view showing a process of forming a pocket.

FIG. 17 is a stage diagram of a work process of a conventional pocket setter.

[Explanation of symbols]

 2 Sewing machine main body 4 Sewing machine head 6 Work table 7 Folding device 30 Frame plate 31, 31a Folding plate 32 Type plate 33 Holding plate 34 Notch 35 Upper layer plate 36 Needle groove 37 Lower layer plate 45 Mounting plate 46 Advancing / retracting means 55, 55a… window hole 58 Vertical movement means 67 Window hole 68 Pressing cylinder P Pocket

Claims (5)

[Claims] A plurality of folding plates are provided on the outer peripheral side of a needle groove provided on a work table below a sewing machine head so as to be able to advance and retreat, and a tip plate whose tip portion matches the outer peripheral shape of the pocket is movable up and down and advancing and retreating. A presser plate having a front end portion corresponding to the inner edge of the needle groove is disposed above the template so as to be vertically movable. 2. A folding device in a pocket setter according to claim 1, wherein said needle groove is formed in a frame plate detachable from a work table. 3. The frame plate according to claim 1, wherein the lower plate has needle grooves formed therein.
3. The folding device in a pocket setter according to claim 2, wherein the upper layer plate is provided with a notch in which the tip of the template is fitted so as to match the outer edge of the needle groove. 4. The folding device according to claim 1, wherein the template plate and the holding plate are provided with window holes. 5. The folding device for a pocket setter according to claim 4, wherein a holding cylinder for a template is provided on the sewing head so as to pass through a window hole of the holding plate.