CN106245239A - Clamp system and possess the sewing machine of this clamp system - Google Patents

Abstract

The present invention can carry out the sewing of multiple curved surface.Clamp system possesses: multiple clamping units (40), and they have a pair clamping part (41,42) clamped by sewn object (C1, C2) and the bracer (44) being supported a pair clamping part；And framework (31), it installs a bracer, framework has the installing hole (32～35) of one or more elongated hole-shape, this installing hole is formed along curve or a plurality of straight line of bending, wherein, a plurality of straight line is the curve along this bending, is installed as multiple clamping units to carry out position adjustments along the installing hole of framework.

Description

Clamp system and possess the sewing machine of this clamp system

Technical field

The present invention relates to the clamp system when sewn object of curve form is sewed and tool The sewing machine of this clamp system standby.

Background technology

Such as, in the sewing of footwear, the upper of a shoe of the footwear being made up of left and right two parts is by tiptoe portion Point and heel portions sew up and become ring-type, and, in the outside of heel portions to label, Reinforcement materials etc. sew up parts and sew up.

The heel portions of the upper of a shoe of footwear need with the mating shapes of the heel of foot and final It is processed into curve form, but in order to sew when making upper of a shoe bend, employ institute High seam platform (post bed) sewing machine of meaning, this height seam platform sewing machine is from sewing machine base portion Upper surface uprightly arranges still and needle plate along top, enables to make the cloth of the both sides of sewing position Material bending.

It addition, the quilt of the such curve form of heel portions for the upper of a shoe of the most above-mentioned footwear Sewing object, also requires automatic by carry out along the pattern corresponding with the profile sewing up parts Feeding and the sewing that performs.

But, carried out the sewing machine sewed by auto-feed according to the pattern of regulation, generally It is configured to, loads sewn object in the plane, make sewn object correspond to often according to plane coordinates One pin moves and sews, and this sewing machine cannot tackle curved surface as such in the upper of a shoe of footwear The sewing of shape.

In order to process this problem, existing sewing machine possesses: cylindric supporter, and it will The sewn object of curve form keeps；And stepping motor, it makes this supporter at random revolve Turning, this sewing machine achieves the sewing of the circumferentially auto-feed in face (for example, referring to patent literary composition Offer 1).

Patent documentation 1: Japanese Laid-Open Patent Publication 61-265169 publication

But, above-mentioned existing sewing machine, owing to being the knot making the supporter of cylindrical shape rotate , therefore there is following problems in structure, i.e. mechanism becomes big, and sewing machine entirety maximizes.

It addition, the supporter of cylindrical shape is fixing due to its size, therefore to carry out many The sewing of the sewn object of individual size, it is necessary to prepare the supporter of multiple size.

Especially, in the case of with footwear as object, size divides the thinnest, and by Left and right difference is there is, it is therefore necessary to prepare multiple supporters that size is different in footwear.

Summary of the invention

It is an object of the invention to provide the folder of a kind of sewing being capable of for multiple curved surface Tight mechanism and possess the sewing machine of clamp system.

(1) present invention is a kind of clamp system, it is characterised in that possess:

Multiple clamping units, they have by sewn object clamp a pair clamping part and The bracer that the pair of clamping part is supported；And

Framework, described bracer of its installation,

Described framework has the installing hole of one or more elongated hole-shape, and this installing hole is along bending Curve or a plurality of straight line and formed, wherein, described a plurality of straight line is the song along this bending Line,

It is installed as the plurality of clamping unit to carry out position along the installing hole of described framework Regulation.

(2) it is a feature of the present invention that in the clamp system recorded in (1),

The clamping face of described clamping part is made up of one or more plane.

(3) it is a feature of the present invention that in the clamp system recorded in (1),

The clamping face of described clamping part is made up of a curved surface.

(4) it is a feature of the present invention that any one described folder in (1) to (3) In tight mechanism,

The pair of clamping part extends to described framework opposition side at described bracer,

The pair of clamping part is supported for by described bracer can be along the pair of clamping section The bearing of trend of part carries out position adjustments.

(5) it is a feature of the present invention that any one described folder in (1) to (4) In tight mechanism,

Possessing and dodge guide portion, this dodges guide portion for making from by described clamping part clamps The vertical portion that hangs down of sewn object, dodge from needle downing position.

(6) present invention is a kind of sewing machine, it is characterised in that possess:

Swing mechanism, it makes in (1) to (5) any one described clamp system around axle String pendulum moves, and this axis is positioned at the inner side of the curve of the bending of the installing hole of described framework；

Axis travel mechanism, its described axis swung along described clamp system makes this clamping machine Structure and needle bar relatively move；And

Controlling device, it drives source and described axis travel mechanism to described swing mechanism Driving source is controlled, and carry out falling pin to the arbitrary position of described sewn object.

(7) it is a feature of the present invention that in the sewing machine recorded in (6),

Possessing middle presser feet, in this, presser feet moves up and down in linkage with described needle bar.

(8) it is a feature of the present invention that in the sewing machine recorded in (7),

Possess the needle plate carrying out falling pin,

Needle downing position at described needle plate is provided with lobe, and this lobe is described with decline Middle presser feet co-operating and from above and below described sewn object is pressed.

The effect of invention

In the present invention, multiple clamping units sewn object kept, it is possible to along Individual or multiple elongated hole-shape installing hole carries out position adjustments, and this installing hole is along the shaped form of bending Become, therefore, it is possible to sewn object is kept by the curved surface along the curve formation along bending, energy Wrinkle after enough the sewn object with curved surface is sewed by suppression, the generation of hook line, it is achieved Good sewing.

Further, since each clamping unit along installing hole can position adjustments, therefore single by changing Unit interval such that it is able to keep the ring-type sewn object of various sizes well, it is not necessary to prepare Multiple clamp systems that size is different.

Further, since each clamping unit along installing hole can position adjustments, therefore adjusted by position Joint, even having the sewn object of the different various curved surfaces of radius of curvature, it is also possible to carry out good Good sewing.

In addition, it is not necessary that the supporter of cylindrical shape, therefore, it is possible to realize the miniaturization of sewing machine.

Accompanying drawing explanation

Fig. 1 is the oblique view of the sewing machine involved by present embodiment.

Fig. 2 is oblique after the shift action of the workbench of the sewing machine involved by present embodiment View.

Fig. 3 is the block diagram of the control system of the sewing machine representing Fig. 1.

Fig. 4 is mounted in the oblique view of the first clamp system of sewing machine.

Fig. 5 is the front view of the first clamp system.

Fig. 6 is the rearview of the first clamp system.

Fig. 7 is the side view of the pressing supporting mechanism of the first clamp system.

Fig. 8 is mounted in the oblique view of the second clamp system of sewing machine.

Fig. 9 is the rearview of the second clamp system.

Figure 10 is provided with dodging the front view of the first clamp system of guide portion.

Figure 11 is the explanatory diagram of the problem representing that middle presser feet had.

Figure 12 is the explanatory diagram of the lobe representing the Resolving probiems being had by middle presser feet.

The explanation of label

Presser feet in 11

15 needle plates

16 lobe

30 first clamp systems

31 frameworks

32, installing hole on the upside of 33

34, installing hole on the downside of 35

38,39 guide portion is dodged

40,40A～40D clamping unit

Clamping part on the upside of in the of 41

Clamping part on the downside of in the of 42

43 pressing supporting mechanisms

44 bracers

50 second clamp systems

51 frameworks

52, installing hole on the upside of 53

54, installing hole on the downside of 55

60,60A～60C clamping unit

61, clamping part on the upside of 611,612

62, clamping part on the downside of 621,622

64 bracers

70 swing mechanisms

73 wobbling motors (driving source)

80 axis travel mechanisms

83 axis travel motors (driving source)

90 control device

100 sewing machines

321,322,331,332 line part

341,342,351,352 line part

411,412,421,422 plane

611, clamping part on the upside of 612

621, clamping part on the downside of 622

A1～A4 circular arc

C1 upper of a shoe (sewn object)

C2 reinforcement material (sewn object)

C3 label (sewn object)

C11 tiptoe (vertical portion)

Detailed description of the invention

[overall structure of sewing machine]

Below, based on Fig. 1 to Fig. 9, to the sewing machine 100 as embodiments of the present invention Illustrate.This sewing machine 100 is automatic sewing machine, and its use is suitable for having curved surface Sewn object carries out first and second clamp system 30,50 kept, according to the sewing of regulation Pattern is carried out falling in arbitrary position pin.

Fig. 1 and Fig. 2 be the incomplete structure of the part by sewing machine 100 and illustrate oblique View, Fig. 3 is the block diagram of the control system representing sewing machine.

Exemplify following situation in the following description, i.e. for the ring as sewn object The upper of a shoe C1 (with reference to Fig. 5) of the footwear of shape, in its heel portions to as sewn object Reinforcement material C2 and label C 3 sew up.

Above-mentioned sewing machine 100 possesses: needle bar, and it keeps suture needle in bottom；Needle bar is upper and lower Travel mechanism, it makes needle bar move up and down；Container mechanism, it is caught reaching the standard grade through suture needle Catch and be wound around and roll off the production line；Middle presser foot device, it makes middle presser feet 11 move up and down；First clamping machine Structure 30, it keeps upper of a shoe C1 and reinforcement material C2；Second clamp system 50, it keeps footwear Side C1 and label C 3；Swing mechanism 70, it makes first and second clamp system 30,50 put Dynamic；Axis travel mechanism 80, it makes first and second clamp system 30,50 along its swinging axle Line moves；Sewing machine stand 20, it stores or carries above-mentioned each structure；And control device 90, it controls above-mentioned each structure, any at upper of a shoe C1, reinforcement material C2 and label C 3 Position carry out falling pin.

Sewing machine stand 20 possesses: sewing machine base portion 21, it is positioned at bottom；Longitudinal body portion 22, it erects from sewing machine base portion 21；And sewing machine arm 23, it is from longitudinal body The upper end in portion 22 is risen and is extended parallel to sewing machine base portion 21.

Additionally, in Fig. 1 and Fig. 2, eliminate the diagram of the cover in each portion of sewing machine stand 20, It addition, the structure about its inside also omit diagram.

Above-mentioned needle bar reciprocating mechanism possesses: sewing machine electromotor 12；Upper shaft, it passes through This sewing machine electromotor 12 rotates；And crank mechanism, the revolving force of upper shaft is become by it It is changed to the driving force that moves up and down and applies to needle bar, owing to being known structure, therefore omit Detailed description.

Container mechanism possesses: so-called horizontal container；Still axle, its support level still；Lower axle, its Rotated by sewing machine electromotor 12；And transmission mechanism, its from lower axle by revolving force It is transferred to still axle, owing to being known structure, therefore omits detailed description.

It addition, sewing machine 100 is so-called high seam platform (post bed) sewing machine, horizontal container Being built in the top of high seam platform (post bed) 24, this height seam platform 24 is in sewing machine base portion The position of the lower section of the suture needle at 21 is uprightly arranged.

Middle presser foot device possesses: middle foot-pressing bar, and it is presser feet 11 in bottom keeps；And Crank mechanism, the revolving force of upper shaft is transformed to the driving force that moves up and down and applies to middle pressure by it Foot rod, owing to being known structure, therefore omits detailed description.

Middle presser feet 11 possesses cylindrical portion, and suture needle this cylindrical portion of loose insertion, this cylindrical portion has Following effects, i.e. when suture needle rises from sewn object is pressed and to sewn object Float and press.

Middle presser foot device carries out transmission action, so that middle presser feet 11 and suture needle same cycle and late Move up and down in suture needle.Thus, pull and to be risen being stitched being risen by suture needle Thing processed presses, and makes suture needle carry out well from extracting of sewn object.

[the first clamp system]

Fig. 4 is the oblique view of the first clamp system 30, and Fig. 5 is front view, and Fig. 6 is backsight Figure.

First clamp system 30 possesses: four clamping unit 40A～40D, they are along Y-axis Direction is arranged in order configuration, is clamped overlappingly by upper of a shoe C1 and reinforcement material C2；And frame Frame 31, it supports each clamping unit 40A～40D.

Additionally, about four clamping unit 40A～40D, its structure and construct roughly the same, The most in the following description, each clamping unit 40A～40D is referred to as clamping unit 40, The structure in each portion that each clamping unit 40A～40D has is used identical label, to common Content summarize, about each clamping unit 40A～40D, difference is carried out Individually explanation.

It addition, the framework 31 of above-mentioned first clamp system 30 is the flat board of strip, will be with frame Parallel and parallel with its length direction direction of the platen surface of frame 31 is set to Y direction, will Parallel with the platen surface of framework 31 and orthogonal with its length direction direction is set to Z-direction, The direction vertical with the platen surface of framework 31 is set to X-direction, to the first clamp system 30 Each portion illustrate.

Clamping unit 40 possesses: be made up of upside clamping part 41 and downside clamping part 42 A pair clamping part, on the upside of this, clamping part 41 is arranged in upper of a shoe C1 and reinforcement material C2 Upside, on the downside of this, clamping part 42 is arranged in upper of a shoe C1 and the downside of reinforcement material C2； Pressing supporting mechanism 43, upside clamping part 41 is pressed by it to downside clamping part 42 side； And a bracer 44, clamping part 41 and downside clamping part 42 on the upside of its support.

Downside clamping part 42 is the plate-shaped member of the strip along X-direction, and from a bracer 44 extend towards the opposition side with framework 31.

In four clamping unit 40A～40D, it is positioned at two folders of the central authorities of Y direction The downside clamping part 42 of tight unit 40B, 40C, its upper surface is put down by with X-direction Two planes 421,422 (clamping face) of row are constituted, and are positioned at the both ends of Y direction The downside clamping part 42 of two clamping units 40A, 40D, its upper surface by with X-axis side Constitute to a parallel plane 421 (clamping face).

And, as it is shown in figure 5, the downside clamping part of these clamping units 40A～40D Each plane 421,422 of the upper surface of 42, when observing from X-direction, is configured to along court The circular arc arrangement protruded upward.

It addition, clamping part 42 is at the upper surface of the end making bracer 44 side on the downside of each Under the state abutted with the lower surface of a bracer 44, it is installed on this bracer by screw 441 44。

Each bracer 44 is provided with stage portion, this stage portion and the Y of downside clamping part 42 The side end of direction of principal axis one end side abuts.It addition, formed at bracer 44 up/down perforation Having the elongated hole 442 along X-direction, screw 441 is inserted from above into this elongated hole 442 and is inserted into The screw of downside clamping part 42.

Therefore, screw 441 spiral shell is gone out, make downside clamping part 42 and a bracer 44 times Surface and stage portion sliding contact and move along X-direction, by arbitrary position by spiral shell Nail 441 fastening such that it is able to long relative to the extension of a bracer 44 to downside clamping part 42 Degree is adjusted.

Further, clamping part 42 on the downside of each, observing from Z-direction of its extended end portion The shape approximation of side edge part of shape and reinforcement material C2.Therefore, when sewing, it is possible to Keep the neighbouring part of the needle downing position along side edge part of reinforcement material C2.

Upside clamping part 41 is plate-shaped member, and makes its lower face side and clamping section, downside Under the state that the upper surface of part 42 is relative, via pressing supporting mechanism 43 by a bracer 44 Support.

In four clamping unit 40A～40D, it is positioned at two folders of the central authorities of Y direction The upside clamping part 41 of tight unit 40B, 40C, its lower surface is put down by with X-direction Two planes 411,412 (clamping face) of row are constituted, and are positioned at the both ends of Y direction The upside clamping part 41 of two clamping units 40A, 40D, its lower surface by with X-axis side Constitute to a parallel plane 411 (clamping face).

And, as it is shown in figure 5, the upside clamping part of these clamping units 40A～40D Each plane 411,412 of the lower surface of 41, when observing from X-direction, is configured to along court The circular arc arrangement protruded upward.

Further, the lower surface of the upside clamping part 41 of clamping unit 40A～40D is each flat Face 411,412, with each plane 421,422 of the upper surface of relative downside clamping part 42 It is respectively at parallel, by clamped by each upside clamping part 41 and each downside clamping part 42 Upper of a shoe C1 and reinforcement material C2, with the state approximately along the periphery comprising aforesaid circular arc Keep.

Fig. 7 is the side view of clamping unit 40.

Pressing supporting mechanism 43 possesses: moveable block 431, and it is installed on upside folder by screw The upper surface of tight parts 41；Base portion 432, its fixed equipment is in the upper surface of a bracer 44； Action bars 433, its pass through rotating operation, by upside clamping part 41 with clamping section, downside Holding position that part 42 is relative and cutting from the released position that downside clamping part 42 separates Change；Rotating wrist 434, it is via clamping part 41 on the upside of moveable block 431 support；And connecting rod Parts 435, base portion 432 and action bars 433 are linked by it.

Base portion 432, X-direction one end can around Y-axis rotationally with rotate wrist 434 The bottom of one end link, in the other end of X-direction can around Y-axis rotationally with even The one end of rod unit 435 links.

Action bars 433, its one end can around Y-axis rotationally with rotate wrist 434 one end Top link, its other end becomes for switching over holding position and released position Input operation part.Further, at the near one end of action bars 433 and be slightly closer to the other end The position in portion, can link with the other end of linkage component 435 rotationally around Y-axis.

Thus, base portion 432, action bars 433, rotation wrist 434 and linkage component 435 are constituted Four joint linkages.

In the structure shown here, if the input operation part of action bars 433 rotates downwards, then with The point of contact by action bars 433 and rotated between wrist 434 and linkage component 435 and base portion 432 Between the point of contact straight line that carries out linking compare, between action bars 433 and linkage component 435 Point of contact be in downside.In this condition, in upside clamping part 41 and clamping section, downside Between part 42, upper of a shoe C1 and reinforcement material C2 is clamped, even if action bars 433 is recovered by it Power is counter to be pushed away, and power also will not pass to the direction input operation part of action bars 433 boosted upward Pass, it is possible to maintain clamped condition.

It addition, be formed with the elongated hole 434b along X-direction with rotating wrist 434 up/down perforation, Linked with moveable block 431 by the screw 434a through this elongated hole 434b.Therefore, it is possible to Moveable block 431 is made to move to arbitrarily along X-direction when being gone out by screw 434a spiral shell Position, is fixed on this position by being fastened by screw 434a.

That is, upside clamping part 41 can at random carry out position adjustments along X-direction.As Shown in aforementioned, owing to downside clamping part 42 also is able to along X-direction position adjustments, therefore By upside clamping part 41 and downside clamping part 42 are carried out position adjustments such that it is able to The width that can clamp between which is adjusted.

As illustrated as the former, clamping part 41 on the upside of a bracer 44 face side thereon support, Clamping part 42 on the downside of lower face side support.

Further, this bracer 44 with upside clamping part 41 and downside clamping part 42 The end of extended end portion opposition side, has the end face portion that the platen surface with framework 31 abuts, Make to be supported by framework 31 under the state that this end face portion touches.

As shown in Figure 6, framework 31 is is strip along Y direction and is shaped generally as arcuation Flat board.

And, at framework 31 in order to install four clamping unit 40A～40D, it is arranged above and below And it has been formed through upside installing hole 32,33 and downside installing hole 34,35, these installing holes Being the elongated hole of the polyline shaped being made up of a plurality of straight line, this plurality of straight line is along the curve as bending Circular arc.

Upside installing hole 32,33 at framework 31, be formed at Y direction one end and The other end, is respectively provided with two line parts 321,322 and 331,332.

And, these line parts 321,322,331,332 are all along common circular arc A1 Being formed, this circular arc A1 is set with center in the lower section of framework 31.

It addition, downside installing hole 34,35 is at framework 31, it is formed at the one of Y direction End and the other end, be respectively provided with two line parts 341,342 and 351,352.

And, these line parts 341,342,351,352 are all along common circular arc A2 Being formed, this circular arc A2 is set with center in the lower section of framework 31.It addition, this circle Arc A2 is concentric with aforesaid circular arc A1 and is set as minor diameter compared with this circular arc A1.

Additionally, above-mentioned upside installing hole 32,33 is broken as two but it also may link and Constitute a upside installing hole, in this case, it is also possible to be made up of more line parts.Under Side installing hole 34,35 is also same.

And, a bracer 44 of each clamping unit 40A～40D, at the end face of framework 31 side Portion, is vertically formed with two screws to arrangement, by being inserted into upside installing hole 32 respectively With the screw 36 of downside installing hole 34 or upside installing hole 33 and downside installing hole 35, The fastening of 37 (with reference to Fig. 7) and be fixed on framework 31.

It addition, by being gone out by these screw 36,37 spiral shells, thus each clamping unit 40 can Along upside installing hole 32 and downside installing hole 34, or upside installing hole 33 and downside are installed Hole 35 carries out position adjustments.That is, each clamping unit 40 can enter approximately along circular arc A1, A2 Line position regulates.Further, the center relative to two circular arcs A1, A2, it is possible to maintain Fixing attitude, while carrying out position adjustments.

In addition it is also possible to single shaft ground will prop up bracer 44 to upside installing hole or downside installing hole In any one install, it is possible to carry out angular adjustment around this single shaft.In this case, respectively The clamping unit 40 center relative to two circular arcs A1, A2 will not maintain fixing attitude, But it is not limited to circular arc, it is possible to so that sewn object is with more rich shape flexure.

[the second clamp system]

Fig. 8 is the oblique view of the second clamp system 50, and Fig. 9 is rearview.

Additionally, about this second clamp system 50, to aforesaid first clamp system 30 Common structure or the structure identical label of mark the repetitive description thereof will be omitted, mainly to the The different aspect of one clamp system 30 illustrates.

Second clamp system 50 possesses: three clamping unit 60A～60C, they are along Y-axis Direction is arranged in order configuration, upper of a shoe C1 and label C 3 is clamped；And framework 51, its Support each clamping unit 60A～60C.

Additionally, in the case of above three clamping unit 60A～60C similarly, system It is referred to as clamping unit 60, the structure in each portion that each clamping unit 60A～60C has is used Identical label, illustrates common content, about each clamping unit 60A～60C, Difference is individually illustrated.

In the case of the second clamp system 50 similarly, by the platen surface with framework 51 Parallel and parallel with its length direction direction is set to Y direction, flat by with framework 51 Parallel and orthogonal with its length direction direction, plate face is set to Z-direction, will be with framework 51 The vertical direction of platen surface be set to X-direction and illustrate.

Clamping unit 60 possesses: be made up of upside clamping part 61 and downside clamping part 62 A pair clamping part, on the upside of this, clamping part 61 is arranged in the upper of upper of a shoe C1 and label C 3 Side, on the downside of this, clamping part 62 is arranged in upper of a shoe C1 and the downside of label C 3；Pressing supports Mechanism 43, upside clamping part 61 is pressed by it to downside clamping part 62 side；And Bracer 64, clamping part 61 and downside clamping part 62 on the upside of its support.

Downside clamping part 62 is plate-shaped member, and from bracer 64 towards with framework 51 Opposition side is extended.

In three clamping unit 60A～60C, it is only located at the clamping of the central authorities of Y direction Unit 60B, on the downside of it, clamping part 62 is by the pair of lower clamping section arranged along Y direction Part 621,622 is constituted.

It addition, the downside clamping part 62,621,622 of whole clamping unit 60A～60C, Its upper surface is made up of a plane (clamping face) parallel with X-direction.

And, the downside clamping part 62,621,622 of these clamping units 60A～60C Each plane of upper surface, when observing from X-direction, be configured to along protruding upward Circular arc arrangement.

It addition, with the first clamp system 30 it is identical in that, clamping unit 60A, 60C The downside clamping part 62 of both along X-direction can position adjustments by bracer 64 Support.

On the other hand, about central authorities clamping unit 60B, pair of lower clamping part 621, 622 can be supported by a bracer 64 to position adjustments respectively along Y direction.

It addition, the extended end portion of the downside clamping part 62 of whole clamping unit 60A～60C The shape approximation of side edge part of shape and label C 3.

Upside clamping part 61 is plate-shaped member, and makes its lower face side and clamping section, downside Under the state that the upper surface of part 62 is relative, via pressing supporting mechanism 43 by a bracer 64 Support.

Additionally, be only located at the clamping unit 60B of central authorities, on the upside of it, clamping part 61 is by along Y On the upside of a pair of direction of principal axis arrangement, clamping part 611,612 is constituted.

All upside clamping parts 61,611,612 of clamping units 60, its lower surface by with Plane (clamping face) composition that X-direction is parallel.

And, the upside clamping part 61,611,612 of these clamping units 60A～60C Each plane of lower surface, when observing from X-direction, be configured to along protruding upward Circular arc arrangement.

It addition, with the first clamp system 30 it is identical in that, upside clamping part 61,611, The lower surface (clamping face) of 612 and relative downside clamping part 62,621,622 Upper surface is the most parallel.

It addition, each clamping unit 60 is owing to possessing the pressing identical with the first clamp system 30 Supporting mechanism 43, therefore the description thereof will be omitted.

But, the upside clamping part 61 of both clamping unit 60A, 60C is along X-axis side To can be supported by pressing supporting mechanism 43 to position adjustments, but about the clamping unit of central authorities 60B, on the upside of in the of a pair clamping part 611,612 along Y direction can position adjustments respectively by Pressing supporting mechanism 43 supports.

As it is shown in figure 9, framework 51 is to be strip along Y direction and be shaped generally as arcuation Flat board.

And, at framework 51 in order to install three clamping unit 60A～60C, it is arranged above and below And it has been formed through upside installing hole 52,53 and downside installing hole 54,55, these installing holes Being the elongated hole being made up of a plurality of straight line, this plurality of straight line is along the circular arc of the curve as bending.

Upside installing hole 52,53, at framework 51, is formed near the central authorities of Y direction, All common circular arc A3 along the setting center, lower section at framework 51 are formed.

It addition, downside installing hole 54,55 is at framework 51, it is formed in Y direction Near Yang, all it is set with the common circular arc A4 shape of center along the lower section at framework 51 Become.It addition, this circular arc A4 is concentric with aforesaid circular arc A3 and compared with this circular arc A3 It is set as minor diameter.

Additionally, above-mentioned upside installing hole 52,53 is broken as two but it also may link and Constitute a upside installing hole, in this case, it is also possible to be the folding being made up of a plurality of line part Wire.Downside installing hole 54,55 is also same.

And, a bracer 64 of clamping unit 60A, the end face portion of framework 51 side is by dividing It is not inserted into upside installing hole 52 and two screws 56 (omission of downside installing hole 54 Diagram) fastening and be fixed on framework 51.

It addition, a bracer 64 of clamping unit 60C, the end face portion of framework 51 side is by dividing It is not inserted into upside installing hole 53 and two screws 56 (omission of downside installing hole 55 Diagram) fastening and be fixed on framework 51.

With the first clamp system 30 it is identical in that, the two clamping unit 60A, 60C Can be along upside installing hole 52 and downside installing hole 54, or upside installing hole 53 and downside Installing hole 55 carries out position adjustments, it is possible to the attitude remaining fixing carries out position Regulation.

[axis travel mechanism]

Axis travel mechanism 80 possesses: workbench 81, and it carries swing mechanism 70 and first With the second clamp system 30,50；Pair of sliding guide portion 82,82, they are along pendulum described later The axis of oscillation direction of motivation structure 70 is movably supported this workbench 81；Axis mobile electric Machine 83, it becomes the driving source of movement in axis of oscillation direction of workbench 81；And ball Screw mechanism 84, the torque conversion of axis travel motor 83 is axis of oscillation direction by it Linearly operating.

Sliding guide portion 82,82 in the way of parallel with axis of oscillation direction fixed equipment in seam Thread the upper surface in machine base portion 21.This axis of oscillation direction and sewing machine base portion 21 and sewing The length direction in horn portion 23 is consistent.

Each sliding guide portion 82,82 is via four slide blocks of the bottom being arranged on workbench 81 821 (only illustrating one in Fig. 1 and Fig. 2) make workbench 81 slidably.

Workbench 81 is the framework of rectangle.

Ball screw framework 84 possesses: ball nut 841, and it is arranged on the angle of workbench 81 Portion；And ballscrew shaft 842, it is inserted into ball nut 841, and moves with axis The output shaft of motor 83 links.

As long as it is not the controllable motor of axis travel motor 83 actuating quantity, special Do not limit, such as, use stepping motor.

By these structures, axis travel mechanism 80 can by workbench 81 by first The upper of a shoe C1, the reinforcement material C2 that keep with the second clamp system 30,50 and label C 3 edge Axis of oscillation direction at random positions.

[swing mechanism]

Swing mechanism 70 possesses: swinging framework 71, it is relative to axis travel mechanism 80 Workbench 81 is arranged centered by the swinging axle of regulation swingably；Swing guide portion 72, its Swing to swinging framework 71 guides；Wobbling motor 73, it is equipped on workbench 81 Upper surface, becomes the driving source of the wobbling action swinging framework 71；And transmission mechanism 74, The moment of torsion of wobbling motor 73 is transferred to swing framework 71 by it.

Swing framework 71 with each other a pair of the first clamp system 30 and the second clamp system 50 First clamp system 30 and second is pressed from both sides by the mode that the bearing of trend of clamping part is parallel and relative Tight mechanism 50 is fixed support.Such as, the first clamp system 30 and the second clamp system 50 link with relative status in advance, will by being arranged at the elbow-bar mechanism 711 swinging framework 71 These fixing supports of clamp system 30,50.

It addition, swing framework 71 by the not shown swing of the lower section being arranged on workbench 81 Axle carries out axle support.

And, it is set as, the upside of fixing first and second clamp system 30,50 supported The lower surface of clamping part and the center of the upper surface of downside clamping part circular arc along which and The center of circular arc A1, A3 of upside installing hole and circular arc A2, A4 of downside installing hole is whole It is positioned on the axis of this swinging axle.

Thus, even if swinging framework 71 and swinging, it is also possible to by relative to suture needle, horizontal container In the upper of a shoe C1 kept by the first clamp system 30 and the second clamp system 50, reinforcement material The distance of C2 and label C 3 remains fixing.

Swinging guide portion 72 is to have the guided plate of guiding groove, and this guiding groove will be arranged at swing The protruding insertion of the not shown boss-shaped of framework 71.Guiding groove is formed as The arc-shaped at center, suppression swing framework 71 swing time vibration and maintain stable swing Action.

As long as the controllable motor of wobbling motor 73 actuating quantity, limit the most especially System, such as, use stepping motor.

Transmission mechanism 74 is made up of so-called belt mechanism, specifically, possesses: actively Sprocket wheel 741, it is arranged at the output shaft of wobbling motor 73；Not shown driven sprocket, It is arranged at the swinging axle swinging framework 71；And Timing Belt 742, it is erected at drive chain Between wheel 741 and driven sprocket.

By these structures, swing mechanism 70 can at random control on workbench 81 by Upper of a shoe C1, reinforcement material C2 and the label C 3 that first and second clamp systems 30,50 keep Pendulum angle.

[control system of sewing machine]

As it is shown on figure 3, have via not shown imput output circuit connection controlling device 90: Display floater 94, its display various settings relevant with sewing, state of current sewing machine； As picture and selecting, the configuration switch 95 of setting input block, it is with display floater 94 simultaneously Arrange, be used for when picture and selecting carrying out various setting, be used for carrying out when setting input block Order, the input of numerical value；And operating pedal 98, the beginning of its input sewing.

Operating pedal 98 is by operation of entering into, and inputs the driving instruction of sewing action to control The unit of device 90 processed.That is, entering into if carried out operating pedal 98, then control device 90 carry out starting the action control of sewing.

Various parameter is carried out from configuration switch 95, such as sewing up the seam of sewing by operator The setting of pattern data, tailoring pattern selection etc. setting input, these parameters be used for into It is about to reinforcement material C2 and label C 3 is seamed in the sewing of upper of a shoe C1.

It addition, have via drive circuit 12a, 73a, 83a connection respectively controlling device 90 Become the sewing machine electromotor 12 of its control object, wobbling motor 73, axis mobile electric Machine 83.

Control device 90 to possess: CPU 91, it carries out various control；And memorizer 92, Its control program being written with the action control performing sewing machine 100 and various stitch data.

Such as tailoring pattern data are stored at above-mentioned memorizer 92.

Tailoring pattern data are to comprise the position whole needle downing positions being deployed in coordinate system and obtain Putting the data of coordinate data, these whole needle downing positions are constituted reinforcement material C2 and label C 3 Carrying out the tailoring pattern sewed up, this coordinate system is by the position in axis of oscillation direction and pendulum angle structure Become.

Tailoring pattern data determine, from these for footwear size and the left and right of footwear of upper of a shoe C1 Tailoring pattern data suitably select.

CPU 91 is according to controlling program, and the tailoring pattern data selected by reading, in order at structure Become each needle downing position location upper of a shoe C1, reinforcement material C2 and label C 3, the meter of tailoring pattern Calculate the wobbling motor 73 for each pin and the actuating quantity of axis travel motor 83, with seam Electric motor 12 of threading synchronously is driven controlling, so that wobbling motor 73 and axis move Galvanic electricity motivation 83 becomes calculated actuating quantity for each pin.

[sewing prepares and sewing action]

To from carrying out reinforcement material C2 and label C 3 to the upper of a shoe C1 of above-mentioned sewing machine 100 The flow process that preparation work when sewing up sewing rises to sewing operation illustrates.

First, one end and the reinforcement material C2 of upper of a shoe C1 is set at the first clamp system 30, The other end and the label C 3 of upper of a shoe C1 are set at the second clamp system 50.

That is, about whole clamping unit 40A～40D of the first clamp system 30, will operation Bar 433 is mentioned and upside clamping part 41 is set to releasing orientation.Subsequently, by upper of a shoe C1 And reinforcement material C2 after the para-position sewed up overlapping, be placed in downside folder Tight parts 42, fell action bars 433, by upside clamping part 41 and downside clamping part 42 are clamped.

About the second clamp system 50 each clamping unit 60A～60C similarly, by footwear Side C1 and label C 3 clamp.

Subsequently, by elbow-bar mechanism 711 by the first clamp system 30 and the second clamp system 50 It is installed on the swing framework 71 of swing mechanism 70.

If above-mentioned preparation work terminates, select sewing from the configuration switch 95 of sewing machine 100 Pattern data, then CPU 91 calculates wobbling motor 73 and the pin of axis travel motor 83 Actuating quantity to each pin.

Further, if by the beginning of operating pedal 98 input sewing, then CPU 91 starts The driving of sewing machine electromotor 12, with needle bar move up and down synchronously for every pin with calculate Wobbling motor 73 and axis travel motor 83 are driven by the amount of movement gone out, and make upper of a shoe C1, reinforcement material C2 and label C 3 swing and axis moves, true by tailoring pattern data Fixed needle downing position is carried out falling pin successively.

And, if carried out falling pin at the whole needle downing positions determined by tailoring pattern data, Then sewing machine electromotor 12 stops, and sewing action completes.

Further, the first clamp system 30 and the second clamp system 50 are torn open from swinging framework 71 Under, about whole clamping unit 40A～40D of the first clamp system 30, upside is clamped Parts 41 are set to releasing orientation.Similarly, by whole clamping units of the second clamp system 50 60A～60C is set to releasing orientation.

Thereby, it is possible to the upper of a shoe C1 after reinforcement material C2 and label C 3 being sewed up takes off, A series of sewing action completes.

[effect of embodiment]

As previously discussed, about the first clamp system 30 of sewing machine 100, framework 31 has Along the installing hole 32～35 of the elongated hole-shape that a plurality of straight line is formed, this plurality of straight line carry out arranging and Imitate out circular arc, the first clamp system 30 with four clamping unit 40A～40D along framework 31 Installing hole 32～35 mode of position adjustments four clamping unit 40A～40D can be installed.

It addition, the second clamp system 50 is similarly, framework 51 has and is linearly formed The installing hole 52～55 of elongated hole-shape, this straight line carries out arranging and imitating out circular arc, the second clamping Mechanism 50 can position along the installing hole 52～55 of framework 51 with three clamping unit 60A～60C The mode putting regulation is provided with three clamping unit 60A～60C.

Thus, so that each clamping unit, energy can be configured in the way of the curved surface of corresponding various sizes Enough along curved surface holding sewn object, it is not necessary to the supporter the most corresponding with each size.Especially, Sewing about footwear, although the size of sewn object is classified subtly, but first And second in clamp system 30,50, by the position adjustments of clamping unit, it is possible to keep right Answer the sewn object of various sizes, the most effectively.

It addition, first and second clamp system 30,50, one or two planes formed The lower surface of the upside clamping part 41,61 of each clamping unit 40,60 and clamping section, downside The upper surface of part 42,62, therefore, it is possible to easily process each clamping part.Especially, exist In the case of being formed more than or equal to two planes, it is possible to keep with the state closer to curved surface Sewn object, it is possible to the sewn object at curve form carries out good sewing.

It addition, the upside clamping part 41,61 of first and second clamp system 30,50 and Downside clamping part 42,62, being set to can position adjustments along bearing of trend.

Therefore, it is possible to the elongation of each clamping part 41,42,61,62 is at random regulated, Can be to the clamping realized by upside clamping part 41,61 and downside clamping part 42,62 Width is adjusted.Therefore, can carry out good for the various sewn objects that size is different Clamping.

It addition, sewing machine 100 possesses: swing mechanism 70, it makes first and second clamping machine Structure 30,50 is around axis oscillating, and this axis is positioned at the edge of the framework 31 of the first clamp system 30 Upside installing hole 32,33 circular arc A1 and along downside installing hole 34,35 circular arc A2, The circular arc A3 along upside installing hole 52,53 of the framework 51 of the second clamp system 50 and edge Whole centers of the circular arc A4 of downside installing hole 54,55；Axis travel mechanism 80, its edge First and second clamp system 30,50 swing axis, make first and second clamp system 30, 50 move；And controlling device 90, they are controlled by it, any to sewn object Position carry out falling pin.

Therefore, by swinging and the combination of rectilinear movement such that it is able to relative to sewn object Curved surface carry out falling exactly pin, it is possible to realize the raising of quality of sewing.

It addition, in above-mentioned sewing machine 100, store successively by tailoring pattern data etc. Pin position, it becomes possible to carry out automatic sewing for the tailoring pattern on curved surface.

It addition, sewing machine 100 possesses middle presser feet 11, in this, presser feet 11 enters in linkage with needle bar Row moves up and down, therefore, it is possible to by the suture needle after the pin that falls from carrying out what axis of oscillation moved and swung Sewn object is extracted more reliably, it is possible to prevent the damage of sewn object, suture needle, carries out good The shift action of sewn object.

[dodging guide portion]

It addition, using when being arranged at the first clamp system 30 as the upper of a shoe C1 of sewn object Have in the case of becoming the tiptoe C11 as vertical portion of the state of hanging down, upper of a shoe C1's Underface is provided with the high seam platform 24 as needle downing position, it is possible to occur dry with tiptoe C11 Relate to.

Therefore, as shown in Figure 10, one can be arranged at the framework 31 of the first clamp system 30 To dodging guide portion 38,39, this dodge for a pair guide portion 38,39 for make tiptoe C11 to Side (being framework 31 side in this example) in axis of oscillation direction is close.

This dodges guide portion 38,39, in order to avoid this guide portion is overall at the first clamp system 30 swing time and high seam platform 24 between interference, at the first clamp system 30 to swinging axle Under the state that the opposition side with framework 31 side in line direction is moved maximum, stitch platform 24 with height Axis of oscillation direction in the end face being in framework 31 side compare, be configured to be more in Framework 31 side.

Thus, when sewing, it is possible to the interference between minimizing tiptoe C11 and high seam platform 24 Occur, it is possible to carry out good sewing.

Additionally, above-mentioned guide portion 38,39 of dodging is configured to make tiptoe C11 close to framework side Structure but it also may be to make tiptoe C11 opposition side in axis of oscillation direction close Structure.

It is set to bar-shaped it addition, guide portion 38,39 will be dodged but it also may be set to tabular. It addition, illustrated by dodging the situation that guide portion 38,39 arranges two, but also may be used Only to arrange one or to arrange more than or equal to three.

It addition, dodge guide portion 38,39 be not limited to the first clamp system 30, it is also possible to It is arranged on the second clamp system 50.

[lobe]

As shown in figure 11, it is built-in with still 14 in the inner side on the top of height seam platform 24, stitches at height The upper end of platform 24 is provided with needle plate 15, and this needle plate 15 is formed with the pin that falls carrying out suture needle 13 Needle falling hole (omit diagram).

And, as the reinforcement material C2 of sewn object, label C 3 with the side along flexure plane Formula is kept by the first or second clamp system 30,50, therefore at reinforcement material C2 or Gap can be produced between label C 3 and needle plate 15.

In this case, if middle presser feet 11 declines, then in order to gap extruding is added making Sew under the state that strong material C 2 or label C 3 bend downwards, it is therefore possible to Cannot be carried out good sewing.

It addition, in order to eliminate gap, if making reinforcement material C2 or label C 3 and needle plate 15 is the most close, it is likely that at the pendulum of the first or second clamp system 30,50 Needle plate 15 and reinforcement material C2 or label C 3 sliding contact time dynamic and make them from clamping machine Structure 30,50 produces skew, or reinforcement material C2 or label C 3 are caused damage.

Therefore, in use in the case of presser feet 11, in the week of the needle downing position of needle plate 15 Limit arranges the lobe 16 protruded upward, by lobe 16 and the middle presser feet 11 of decline, From above and below reinforcement material C2, label C 3 are pressed and sew, this way More preferably.

As it has been described above, by arranging lobe 16 such that it is able to suppression reinforcement material C2, mark Sign the flexure downwards caused by middle presser feet 11 of C3, maintain close to flexure plane State, while sewing, it is possible to realize better sewing.

It addition, by lobe 16, it is possible to reduce and reinforcement material C2, label C 3 and occur The sliding contact of needle plate 15.

[other]

The upside being formed at framework 31,51 at first and second clamp system 30,50 is installed Hole 32,33,52,53 and downside installing hole 34,35,54,55, be set to one or Article two, linearity but it also may be set to more a plurality of linearity, or circular arc or in addition to circular arc Curve-like.

Especially, the shape at sewn object becomes in addition to the curved surface of section arc-shaped In the case of curved surface, preferably each installing hole is set to corresponding with the section shape of this curved surface Curve-like.

It addition, the position of the axis of oscillation formed by swing mechanism 70, the most each installing hole institute The center of the circular arc on edge but it also may Shi Yu compares at center near circular arc side.

It addition, be not that arc-shaped, any person are set to concave shape in the shape of installing hole In the case of, it is also possible to axis of oscillation is configured in this concave inner side.

It addition, the lower surface of upside clamping part and the upper surface of downside clamping part, not It is defined in one or more than or equal to two planes, it is also possible to formed by a curved surface.Pass through They are set to curved surface such that it is able to kept when along curved surface by sewn object, Better sewing can be carried out.

It addition, in the first clamp system 30 and the second clamp system 50, clamping unit Individual amount is at least greater than or equal to two, it is also possible to increase and decrease.

It addition, each clamping part is not limited to the situation of tabular.For example, it is also possible to by upper Under clamping part by a pair bar construction.In this case, the individual amount of clamping unit is more, Preferably further increase the clamping position clamped by rod.

It addition, in the above-described embodiment, to using the first clamp system 30 and the second clamping The situation that both mechanisms 50 carry out sewing is illustrated, but also is able to only clamp first The one of mechanism 30 or the second clamp system 50 is installed on sewing machine 100 and sews.

Additionally, axis travel mechanism 80 makes each clamp system 30 and 50 move in the axial direction, But it is not limited to this, it is also possible to by the mechanism making needle bar move in the axial direction, make needle bar The needle swinging mechanism that bottom swings in the axial direction is equipped on sewing machine 100.

Claims (8)

1. a clamp system, it is characterised in that possess:

Multiple clamping units, they have by sewn object clamp a pair clamping part and The bracer that the pair of clamping part is supported；And

Framework, described bracer of its installation,

Described framework has the installing hole of one or more elongated hole-shape, and this installing hole is along bending Curve or a plurality of straight line and formed, wherein, described a plurality of straight line is the song along this bending Line,

It is installed as the plurality of clamping unit to carry out position along the installing hole of described framework Regulation.

Clamp system the most according to claim 1, it is characterised in that

The clamping face of described clamping part is made up of one or more plane.

Clamp system the most according to claim 1, it is characterised in that

The clamping face of described clamping part is made up of a curved surface.

Clamp system the most according to any one of claim 1 to 3, it is characterised in that

The pair of clamping part extends to described framework opposition side at described bracer,

The pair of clamping part is supported for by described bracer can be along the pair of clamping section The bearing of trend of part carries out position adjustments.

Clamp system the most according to any one of claim 1 to 3, it is characterised in that

Possessing and dodge guide portion, this dodges guide portion for making from by described clamping part clamps The vertical portion that hangs down of sewn object, dodge from needle downing position.

6. a sewing machine, it is characterised in that possess:

Swing mechanism, it makes the clamp system according to any one of claim 1 to 5 around axle String pendulum moves, and this axis is positioned at the inner side of the curve of the bending of the installing hole of described framework；

Axis travel mechanism, its described axis swung along described clamp system makes this clamping machine Structure and needle bar relatively move；And

Controlling device, it drives source and described axis travel mechanism to described swing mechanism Driving source is controlled, and carry out falling pin to the arbitrary position of described sewn object.

Sewing machine the most according to claim 6, it is characterised in that

Possessing middle presser feet, in this, presser feet moves up and down in linkage with described needle bar.

Sewing machine the most according to claim 7, it is characterised in that

Possess the needle plate carrying out falling pin,

Needle downing position at described needle plate is provided with lobe, and this lobe is described with decline Middle presser feet co-operating and from above and below described sewn object is pressed.