CN105274737B

CN105274737B - Band method of sewing and belt loop sewing machine

Info

Publication number: CN105274737B
Application number: CN201510415307.2A
Authority: CN
Inventors: 安田俊介; 山谷惠子
Original assignee: Juki Corp
Current assignee: Juki Corp
Priority date: 2014-07-15
Filing date: 2015-07-15
Publication date: 2019-09-06
Anticipated expiration: 2035-07-15
Also published as: JP6389665B2; JP2016019646A; CN105274737A

Abstract

Belt loop sewing machine of the invention realizes the reduction for the stitching quantity for sewing the one end of band with the suture that Z-shaped is turned back.Include suture needle reciprocating mechanism；Band clamping plate；Band presser feet；Mounting table；Cloth pressing；First movement mechanism keeps band presser feet and mounting table mobile；Second mobile mechanism keeps cloth mobile；Clamping plate mobile mechanism keeps band clamping plate mobile；Control device；Insertion part；And insertion part mobile mechanism, control device carry out following controls: folding line stitching forms control, and the one end of the band clamped by band clamping plate forms folding line stitching；Insertion part configuration controls, and between the clip position involved in folding line stitching and band clamping plate, configures insertion part to the gap between cloth and band；Recurving control is kept insertion part mobile to folding line stitching side, is formed the state that band is turned back using insertion part；It turns back and sutures control, formed by the stitching with circumferential cloth suture, to maintain the state of turning back of band.

Description

Band method of sewing and belt loop sewing machine

Technical field

The present invention relates to band method of sewing and belt loop sewing machines.

Background technique

Belt loop sewing machine is the sewing machine of the band for passing through belt to the sewing of the cloth of trousers etc..Band is The cloth of elongated short strip shape, in the case where being sewn on cloth, there are various method of sewing.As one of them, it is known that Following method of sewing, that is, as shown in Figure 20 (A), the one end of band is turned back twice and is set as Z-shaped and sews Method.

Existing belt loop sewing machine includes band clamping plate 31, make band along prescribed direction (being set as Y-direction) It is grasped under state；Mounting table 51, loads cloth；Cloth is carried out pressing guarantor from top by cloth pressing 71 It holds；Band presser feet 52, the lesser framework that suture needle is passed through push down band B from top；Relaxation component 66, has band B There is slackness；Motor can arbitrarily position band clamping plate 31 in the Y direction and in Z-direction (up and down direction)；It is electronic Mounting table 51 and cloth pressing 71 arbitrarily can be positioned (referring for example to patent document 1) in the Y direction by machine.

Also, above-mentioned existing belt loop sewing machine is sewed by the suture that process as follows carries out band B. Figure 21 is the flow chart of band suture sewing, and Figure 22~Figure 27 is schematic diagram.

Firstly, the cloth C that band B is sewed is positioned in mounting table 51, if pressing the starting being arranged on sewing machine It switchs (step S101, Figure 22 (A)), then cloth pressing 71 declines, and presses cloth C (step S103, Figure 22 (B)).

Then, band B is grasped in advance and standby band clamping plate 31 is mobile to the top of mounting table 51, by band Ring B supplies (step S105, Figure 22 (C)) to suture location.

Then, band clamping plate 31 declines (step S107, Figure 22 (D)) in the top of cloth C.

Then, band presser feet 52 declines, and cloth C and band B is pressed (step S109, Figure 23 (A)) from top.

Then, band clamping plate 31 rises, and in the state of temporarily weakening the grasping pressure of band B, side is mobile forward.By This, band clamping plate 31 moves (step S111, Figure 23 (B)) to by close end relative to the grasping position of band B.

Then, sewing machine carries out eyelet in the width direction of band B, after execution forms the first sewing of stitching L1, Band presser feet 52 is set to rise (step S113, Figure 23 (C)).

Then, band clamping plate 31 is mobile to the rear side compared with stitching L1, while side is mobile forward for cloth pressing 71, thus Band B is turned back from stitching L1 to rear side, and is configured to the second suture location on the cloth C for forming stitching L2 to fall needle position Set (step S115, Figure 23 (D)).

Then, band presser feet 52 declines (step S117, Figure 24 (A)), executes the second suture for forming stitching L2, band pressure Foot 52 rises (step S119, Figure 24 (B)) again.

Then, side is mobile forward for band clamping plate 31, while side is mobile backward for cloth pressing 71, thus by band B from stitching L2 turns back to front side, and configures needle downing position (step S121, for the third sewing position on the cloth C for forming stitching L3 Figure 24 (C)).

Then, band clamping plate 31 slightly declines (step S123, Figure 24 (D)), also, band presser feet 52 declines, to band B And cloth C is kept (step S125, Figure 25 (A)), and the third sewing for forming stitching L3 is executed, band presser feet 52 rises (step Rapid S127, Figure 25 (B)).

Then, band clamping plate 31 rises, also, side is mobile backward, and band B is bent (step upwards at stitching L3 S129, Figure 25 (C)), relaxation component 66 enters the bending part (step S131, Figure 25 (D)).

Then, by cloth pressing 71 and relaxation component 66, side is mobile backward, and side is mobile forward for band clamping plate 31, thus Ensure loose surplus for band B, meanwhile, it is configured to the 4th sewing position on the cloth C for forming stitching L4 to fall needle position Set (step S133, Figure 26 (A)).

Then, band clamping plate 31 declines (step S135, Figure 26 (B)), and band presser feet 52 declines, and pushes down band B (step S137, Figure 26 (C)).

Also, by band clamping plate 31, side is mobile forward, so that the band B of grasping falls off (step S139, Figure 26 (D)).

Then, the 4th suture for forming stitching L4 is executed, band presser feet 52 rises (step S141, Figure 27 (A)), cloth Presser feet 71 rises, and decontrols cloth C, band sewing finishing (step S143, Figure 27 (B)).

Patent document 1: Japanese Unexamined Patent Publication 2013-141481 bulletin

But for above-mentioned current belt loop sewing machine, due to being grabbed by band clamping plate 31 to band B It holds, is moved along Y-direction, to carry out suture sewing, therefore in order to carry out the sewing of the Z-shaped as shown in Figure 20 (A), such as Figure 20 (B) shown in, the stitching L2 for making band B turn back is needed to form.

Therefore, the increase and the increase by sewing the time for generating the consumption of the suture in the suture sewing of band B are led The reduction of the operating efficiency of cause.

In addition, band B is dragged when due to turning back at stitching L2, the tilting of the sutured portion as cloth C or The reason of dislocation.

Also, there are following problems, that is, stitching L1~L3 is concentrated at the narrow of the back side of cloth C, aesthetics It is deteriorated, commodity value is impaired.

Summary of the invention

It is an object of the present invention to realize stitching quantity in the suture sewing that the one end Z-shaped of band is turned back It reduces.

Technical solution 1 is the invention of belt loop sewing machine, which includes

Suture needle reciprocating mechanism, moves up and down suture needle；

Band clamping plate can carry out the band of length direction towards the state of prescribed direction to clamp and can put It opens；

Band presser feet is pushed down the band by lowering action；

Mounting table, mounting carry out the cloth of the suture of the band；

Cloth pressing keeps the cloth；

First movement mechanism makes the band presser feet and mounting table relative to the suture needle to the load along the mounting table Any position for setting face is mobile；

Second mobile mechanism moves the cloth along the length direction of the band via the cloth pressing；

Clamping plate mobile mechanism moves the band clamping plate to any position of the mounting surface along the mounting table；With And

Control device carries out action control relevant to the suture of band sewing,

The belt loop sewing machine is characterized in that, comprising:

Insertion part configures in the gap between the cloth and the band being placed in the mounting table； And

Insertion part mobile mechanism moves the insertion part on the length direction of the band,

The control device carries out following controls, it may be assumed that

Folding line stitching forms control, and in this control, the one end of the band clamped by the band clamping plate forms edge The folding line stitching of the width direction of the band；

Insertion part configuration control, in this control, with become the band the folding line stitching forming position or The mode between clip position clamped by predetermined position and the band clamping plate is formed, between Xiang Suoshu cloth and the band Gap configure the insertion part；

Recurving control makes the insertion part together with the band clamping plate to the folding line stitch side in this control It is mobile, the shape that the band between the folding line stitching and the band clamping plate is turned back is formed using the insertion part State；And

It turns back and sutures control, in this control, formed by the stitching of the circumferential cloth suture of the band, to maintain to utilize The state of turning back for the band that the insertion part is turned back.

Technical solution 2 is in the belt loop sewing machine described in technical solution 1, which is characterized in that

The control device configures in control in the insertion part,

Before the circumferential cloth supply, the insertion part is matched for the band in order to form the folding line stitching It is placed in the position of the lower section as the band.

In addition, so-called " before the circumferential cloth supply of the band, the insertion part is configured at as the band The position of the lower section of ring " refers to than before band, the position of the lower section in the supply predetermined position of Xiang Chengwei band configures insertion section Part.

Technical solution 3 is in the belt loop sewing machine described in technical solution 1, which is characterized in that

With height adjusting unit, which is adjusted height when configuring the insertion part.

Technical solution 4 is in the belt loop sewing machine described in technical solution 2, which is characterized in that

Technical solution 5 is in the belt loop sewing machine described in technical solution 3, which is characterized in that

With height setup unit, which set to height when configuring the insertion part defeated Enter,

The control device controls the height adjusting unit, is set with becoming by the height setup unit Highly.

Technical solution 6 is in the belt loop sewing machine described in technical solution 4, which is characterized in that

Technical solution 7 is in the belt loop sewing machine described in any one of technical solution 1~6, which is characterized in that

The insertion part is configured to move together with the band clamping plate,

The clamping plate mobile mechanism also works as the insertion part mobile mechanism.

Technical solution 8 is in the belt loop sewing machine described in any one of technical solution 1~6, which is characterized in that

With plug actuator, which makes the insertion part to relative to being positioned in the mounting table On the cloth and the band between the direction that is plugged of gap it is mobile.

Technical solution 9 is in the belt loop sewing machine described in technical solution 7, which is characterized in that

Technical solution 10 is the invention of band suture method of sewing, will using belt loop sewing machine in the method for sewing The circumferential cloth suture of band,

The belt loop sewing machine includes suture needle reciprocating mechanism, moves up and down suture needle；Band clamping plate, energy It is enough that the band of length direction towards the state of prescribed direction clamp and can decontrol；Band presser feet, under passing through The band is pushed down in drop movement；Mounting table, mounting carry out the cloth of the suture of the band；Cloth pressing, to described Cloth is kept；First movement mechanism makes the band presser feet and mounting table relative to the suture needle to along the mounting Any position of the mounting surface of platform is mobile；Second mobile mechanism makes the cloth along the band via the cloth pressing Length direction it is mobile；Clamping plate mobile mechanism makes the band clamping plate to any position of the mounting surface along the mounting table It is mobile；And control device, action control relevant to the suture of band sewing is carried out,

Band suture method of sewing is characterized in that thering is following processes, it may be assumed that

Folding line stitching formation process, in this process, the one end of the band clamped by the band clamping plate forms edge The folding line stitching of the width direction of the band；

Insertion part arrangement step, in this process, using possessed by the belt loop sewing machine, configuration loading Insertion part in gap between the cloth and the band in the mounting table and the insertion part is made to exist The insertion part mobile mechanism moved on the length direction of the band, to become the formation of the folding line stitching of the band Mode between clip position clamped by position or formation predetermined position and the band clamping plate, Xiang Suoshu cloth and the band Gap between ring configures the insertion part；

Process of turning back makes the insertion part together with the band clamping plate to the folding line stitch side in this process It is mobile, the shape that the band between the folding line stitching and the band clamping plate is turned back is formed using the insertion part State；And

Quilting process of turning back is formed by the stitching of the circumferential cloth suture of the band, to maintain to utilize in this process The state of turning back for the band that the insertion part is turned back.

The effect of invention

The present invention is formed using insertion part by folding line stitching and band due to keeping insertion part mobile to folding line stitching side After the state that band between ring clamping plate is turned back, it will be sutured with circumferential cloth, it, therefore, can will be as to maintain the state of turning back As the sewing carried out by existing belt loop sewing machine, be used to form band return portion stitching reduce 1.

Therefore, the consumption that the suture in the suture sewing of band can be reduced, in addition, the seam of band can be shortened Time processed can be realized the raising of the efficiency of sewing operations.

Also, band is pulled since in the prior art turned back at established stitching will not occur The case where, therefore, the generation of tilting or the dislocation of the sutured portion of cloth can be reduced.

Also, passing through the reduction of stitching quantity, the concentration of the stitching at the narrow of the one end of band is mitigated, The aesthetics of the back side of cloth can be made good, realize the raising of commodity value.

Detailed description of the invention

Fig. 1 is the whole oblique view for indicating belt loop sewing machine involved in an embodiment of the invention.

Fig. 2 is the block diagram for indicating the control system of belt loop sewing machine.

Fig. 3 is the oblique view on suture needle periphery.

Fig. 4 (A) is the oblique view of the first fork, and Fig. 4 (B) is the oblique view of the second fork.

Fig. 5 is the oblique view for indicating an example of suture shape for band.

Fig. 6 (A) is the use example of the first fork, is the side view for indicating the state before band winding, and Fig. 6 (B) is The side view of state after indicating winding.

Fig. 7 is the explanatory diagram for indicating the example of the claval height adjustment carried out by the second fork.

Fig. 8 is the flow chart of the sewing control of band involved in the 1st aspect of the present invention.

Fig. 9 (A)~Fig. 9 (D) is corresponding the step of sewing control with band involved in the 1st aspect of the present invention The schematic side view of band etc. is carried out according to Fig. 9 (A)~Fig. 9 (D) sequence.

Figure 10 (A)~Figure 10 (D) be band involved in the 1st aspect of the present invention sewing control with the step after Fig. 9 The schematic side view of rapid corresponding band etc., carries out according to Figure 10 (A)~Figure 10 (D) sequence.

Figure 11 (A)~Figure 11 (D) be band involved in the 1st aspect of the present invention sewing control with after Figure 10 The schematic side view of the corresponding band of step etc. is carried out according to Figure 11 (A)~Figure 11 (D) sequence.

Figure 12 (A)~Figure 12 (D) be band involved in the 1st aspect of the present invention sewing control with after Figure 11 The schematic side view of the corresponding band of step etc. is carried out according to Figure 12 (A)~Figure 12 (D) sequence.

Figure 13 (A)~Figure 13 (D) be band involved in the 1st aspect of the present invention sewing control with after Figure 12 The schematic side view of the corresponding band of step etc. is carried out according to Figure 13 (A)~Figure 13 (D) sequence.

Figure 14 (A)~Figure 14 (D) is other of the insertion part configuration control (process) in band sewing control (method) The schematic side view of band in example etc. is carried out according to Figure 14 (A)~Figure 14 (D) sequence.

Figure 15 (A)~Figure 15 (C) is other of the insertion part configuration control (process) in band sewing control (method) The schematic side view of the band after Figure 14 in example etc. is carried out according to Figure 15 (A)~Figure 15 (C) sequence.

Figure 16 is the flow chart of the sewing control of band involved in the 2nd aspect of the present invention.

Figure 17 (A)~Figure 17 (D) is corresponding the step of sewing control with band involved in the 2nd aspect of the present invention Band etc. schematic side view, carried out according to Figure 17 (A)~Figure 17 (D) sequence.

Figure 18 (A)~Figure 18 (D) be band involved in the 2nd aspect of the present invention sewing control with after Figure 17 The schematic side view of the corresponding band of step etc. is carried out according to Figure 18 (A)~Figure 18 (D) sequence.

Figure 19 (A)~Figure 19 (C) be band involved in the 2nd aspect of the present invention sewing control with after Figure 18 The schematic side view of the corresponding band of step etc. is carried out according to Figure 19 (A)~Figure 19 (C) sequence.

Figure 20 (A) is the oblique view for indicating an example of suture shape for band, and Figure 20 (B) is indicated by existing Sewing machine realize band suture shape an example oblique view.

Figure 21 is the flow chart of existing band sewing control.

Figure 22 (A)~Figure 22 (D) is that the side view of corresponding band etc. the step of sewing control with existing band is illustrated Figure is carried out according to Figure 22 (A)~Figure 22 (D) sequence.

Figure 23 (A)~Figure 23 (D) be the sewing control of existing band with after Figure 22 the step of corresponding band etc. Schematic side view, according to Figure 23 (A)~Figure 23 (D) sequence carry out.

Figure 24 (A)~Figure 24 (D) be the sewing control of existing band with after Figure 23 the step of corresponding band etc. Schematic side view, according to Figure 24 (A)~Figure 24 (D) sequence carry out.

Figure 25 (A)~Figure 25 (D) be the sewing control of existing band with after Figure 24 the step of corresponding band etc. Schematic side view, according to Figure 25 (A)~Figure 25 (D) sequence carry out.

Figure 26 (A)~Figure 26 (D) be the sewing control of existing band with after Figure 25 the step of corresponding band etc. Schematic side view, according to Figure 26 (A)~Figure 26 (D) sequence carry out.

Figure 27 (A)~Figure 27 (B) be the sewing control of existing band with after Figure 26 the step of corresponding band etc. Schematic side view, according to Figure 27 (A)~Figure 27 (B) sequence carry out.

The explanation of label

10 sewing machines

11 suture needles

30 clamping plate mechanisms (clamping plate mobile mechanism, insertion part mobile mechanism)

31 band clamping plates

35 clamping plates X-axis motor

36 clamping plates Y-axis motor

38 first forks

39 second forks (insertion part)

40 forks (are plugged with cylinder and use actuator)

41 revolving actuators (height adjusting unit)

50 band presser foot devices (first movement mechanism)

51 mounting tables

52 band presser feets

65 relaxation mechanisms

66 relaxation components

70 cloth pressing mechanisms (the second mobile mechanism)

71 cloth pressings

80 control devices

86 operating units

87 touch panels (height adjusting unit)

88 display panels

B band

C cloth

Specific embodiment

[summary of apparatus for sewing]

In the following, being based on attached drawing, detailed description of embodiments of the present invention.Fig. 1 is indicated involved by present embodiment And belt loop sewing machine 10 whole oblique view, Fig. 2 is the block diagram for indicating control system, and Fig. 3 is the oblique of suture needle periphery View.

Belt loop sewing machine 10 includes suture needle reciprocating mechanism (not shown), moves up and down suture needle 11；Clamping plate Mechanism 30 has the band clamping plate 31 clamped to the band B towards prescribed direction；Band feed mechanism 60, by band Ring B is supplied to clamping plate mechanism 30；Band presser foot device 50, with mounting table 51 and band presser feet 52, which is carried The cloth C for carrying out the suture of band B is set, which is pushed down band B by the lowering action to the mounting table 51； Relaxation mechanism 65 has the relaxation component 66 of the band relaxation of band B；Cloth pressing mechanism 70, have to cloth C into The cloth pressing 71 that row is kept；Sewing machine stand 2；Container mechanism (not shown)；And control device 80, above-mentioned each structure is carried out Control.

[sewing machine stand]

Sewing machine stand 2 includes sewing machine base portion 2a, is built-in with container mechanism；Longitudinal body portion 2b, from sewing machine bottom The one end of portions 2a is uprightly arranged；And sewing machine arm 2c, it is built-in with suture needle reciprocating mechanism.Also, sewing machine Arm 2c extends along direction identical with sewing machine base portion 2a.

In the following description, by level and parallel with the length direction of sewing machine base portion 2a and sewing machine arm 2c Direction be set as Y direction, horizontal and orthogonal Y direction direction is set as X-direction, vertical up and down direction is set as Z axis The facing side of the one end side of Y direction and sewing machine arm 2c are known as " front side ", by Y according to the needs of explanation by direction The other end side and the longitudinal direction body portion side 2b of axis direction are known as " rear side ".

[suture needle reciprocating mechanism and container mechanism]

Suture needle reciprocating mechanism is identical as well known structure, is made of following part, it may be assumed that needle bar, in sewing machine arm The inside of the anterior end of portion 2c can be supported up or down, and keep suture needle in its lower end；Sewing machine electromotor 13, become the driving source of needle bar moved up and down；Main shaft carries out rotation driving by sewing machine electromotor 13；And crank The rotation driving of main shaft is transformed to move up and down, and transmitted to needle bar by mechanism.

Container mechanism be using the container mechanism of so-called semi-rotating kettle, it is identical as well known structure, comprising: semi-rotating kettle, can It is rotationally supported at the inside of the anterior end of sewing machine base portion 2a and is located at needle downing position lower part；Eccentric cam, setting On main shaft；Toggle-action lever is supported eccentric cam using one end；Kettle axis passes through the other end with toggle-action lever The arm of connection applies reciprocating rotary；And driver, it is supported by kettle axis.

[band feed mechanism]

Band feed mechanism 60 is configured in the front side of clamping plate mechanism 30, comprising: extraction motor 62 is supplied in the band The anterior end of mechanism 60, have for importing the jointless band-like intake (illustration omitted) for not cutting off band, to Rotation drive is carried out in the jointless band introduced from the intake to be delivered to the conveying roller 61 for being set to the outlet port of rear side It is dynamic；And cutting cylinder 64, the cutter 63 that jointless band is cut off with defined length is driven.It will be without connecing Head each band B formed with loop slit length be by the drive volume by 80 pairs of extraction motor 62 of control device into Row control and determine.

In addition, clamping plate mechanism 30 is provided with the receiving port (not shown) of band B on front side of it and for carrying out along X, Y-axis side To movement structure, moved in the mode that receiving port is close relative to the outlet port of band feed mechanism 60, carry out band The reception of ring B.

[clamping plate mechanism]

From front side (facing side) towards rear side in the state of from sewing machine stand 2 when, clamping plate mechanism 30 configures on right side. In the following description, it is set as when saying " right side ", indicates the direction parallel with X-direction and after front side (facing side) direction As right direction when being observed in the state of side, when only saying " left side ", the expression direction parallel with X-direction and from front side (facing side) towards when observing in the state of rear side as left direction.

Clamping plate mechanism 30 includes band clamping plate 31, by the upside clamping plate 31a and downside clamping plate clamped to band B 31b is constituted；Maintainance block 32 keeps band clamping plate 31；Clamping plate cylinder 33 applies lifting action to upside clamping plate 31a, right The grasping state and relieving state of band B switches over；Supporting table 34 supports maintainance block 32, maintainance block 32 can be made along X-axis Direction, Y direction and Z-direction are mobile；Clamping plate X-axis motor 35 applies movement along the x axis to maintainance block 32 Movement；Clamping plate Y-axis motor 36 applies shift action along the y axis to maintainance block 32；Clamping plate Z axis cylinder 37, It applies the shift action along Z-direction to maintainance block 32.

As shown in figure 3, the left end of maintainance block 32 is arranged in band clamping plate 31, downside clamping plate 31b is fixedly mounted on maintainance block On 32, upside clamping plate 31a can be supported on the surface of downside clamping plate 31b up or down.In addition, upside clamping plate 31a is before it It is formed with concave maintaining part on the lower surface of end, the holding of band B is carried out in a manner of chimeric with the maintaining part.Band B is logical It crosses chimeric with maintaining part and is kept, so that so that the state of its length direction along the y axis is kept.

Clamping plate cylinder 33 is mounted on maintainance block 32, can be to upside clamping plate 31a's by the moving back and forth of its plunger Rise relieving movement and decline holding movement switches over.In addition, in clamping plate with having regulating valve in cylinder 33, in order to carry out down Holding movement is dropped, which is adjusted the pressure for the air being externally supplied, and control device 80 is by controlling the adjusting Valve, it becomes able to switch over the grasping pressure of band B with strong and weak two stages.In the case where clamp pressure is " strong ", Band B cannot be extracted easily along the y axis, in the case where clamp pressure is " weak ", if band B is by along the y axis Tension to a certain degree, then be adjusted to the degree that can be pulled out.

Maintainance block 32 will be combined along the sliding guide portion that such as X, Y, Z axis direction all directions are slided, and be supported In supporting table 34, it can be moved along these directions.Also, pass through clamping plate X, Y-axis motor 35,36 and clamping plate Z axis gas The co-operating of cylinder 37, so as to be moved to band clamping plate 31 along any position of X-Y plane, in addition, can be to band The height of clamping plate 31 is adjusted.

For example, from band B receive execution position from position to sewing conveying or to multiple positions of band B into In the case where row suture sewing, the application etc. of the shift action along the y axis of the band B between each sewing is carried out.That is, clamping plate Mechanism 30 becomes able to work as " clamping plate mobile mechanism ".

In addition, on maintainance block 32, while being provided with the fork adjacent on rear side of the Y direction of band clamping plate 31 (illustration omitted in Fig. 3).

As shown in figure 4, the fork is fixed relative to the revolving actuator 41 for rotating the fork by screw And can load and unload, the first fork 38 and the second fork 39 can replace that (Fig. 1 and Fig. 2 are to being equipped with the first forked portion The state of part 38 is illustrated).

These forks are supported by the revolving actuator 41 for being kept and being made it to rotate around X-axis to the fork. Also, fork is via revolving actuator 41 (referring to Fig. 2 and Fig. 4 (A)) by fork cylinder 40 (referring to Fig. 2) branch Support, in sewing relative to the band B kept by band clamping plate 31, the regulation such as operation of turning back that can be described to implementation below Operation job position and switched over from the position of readiness that band B leaves, which uses cylinder 40 forked as making The plug actuator that component moves forward and backward along the x axis.

As shown in Fig. 4 (A), the first fork 38 is formed as from the front end (left end of the base portion extended along the x axis Portion) further extend the double forked of 2 clavas 38a, 38b to the left.

As shown in figure 5, first fork 38 uses in the following cases, that is, to being sutured one end B1's The other end B2 of band B is turned back and is sutured.

That is, the first fork 38 is arranged in the state that 2 clavas 38a, 38b are arranged above and below as shown in Fig. 6 (A) For to the state for passing through band B between them, as shown in Fig. 6 (B), by revolving the base portion of the first fork 38 around X-axis Turn 270 degree, so as to which the end of band B is turned back.

In addition, the second fork 39 is used in the case where the one end Z-shaped of band B being turned back twice and being sutured. The method of sewing of the suture will be described below.

For the second fork 39, the 1 clava 39a extended along the x axis is set to relative to revolving actuator 41 rotation center has carried out larger eccentric position.

Due to supporting the revolving actuator 41 of each fork 38,39 to be mounted on maintainance block 32, band clamping plate 31 It is substantially fixed with the positional relationship in the Y-Z plane of each fork 38,39.

But due to the clava 39a of the second fork 39 relative to revolving actuator 41 rotation center 41c into The biggish bias of row, therefore as shown in fig. 7, clava 39a can with the rotation angle of revolving actuator 41 correspondingly, relative to Band clamping plate 31 is in the up-down direction to being highly adjusted.In addition, the rotation angle of revolving actuator 41 can be filled by control 80 are set arbitrarily to be controlled.

In sewing, the clava 39a of the second fork 39 is to the gap insertion between cloth C and band B (referring to figure 10 (D)), but the narrow gaps, it is desirable that clava 39a can be adjusted to height appropriate.Revolving actuator 41 can pass through Clava 39a is arbitrarily adjusted in the spinning movement, the height that the height of clava 39a is adjusted when as insertion Degree adjusts unit and works.

[relaxation mechanism]

As shown in FIG. 1 to 3, relaxation mechanism 65 includes pedestal 65a, is set on sewing machine base portion 2a；Feed shaft 65b is moved forward and backward along the y axis from pedestal 65a；Mobile foundation 65c is held in the front end of feed shaft 65b；With And relaxation component 66.Relaxation component 66 is mounted on the right part of mobile foundation 65c, can within the scope of predetermined angular about the z axis Rotation.Equipped with relaxation motor 68 on pedestal 65a, by the movement of relaxation motor 68, feed shaft 65b is along the axis side It is moved forward and backward to, i.e. Y direction, along with this, by the feed shaft 65b mobile foundation 65c supported and relaxation 66 edge of component Y direction is moved forward and backward.Mobile foundation 65c passes through relaxation component cylinder 67 equipped with relaxation component cylinder 67 Movement, relaxation component 66 rotate within the scope of predetermined angular about the z axis.Relaxation component 66, can be from band B by the rotation The standby region of separation and contact with band B and be pressed into and act the loose operating area range of band B.

In addition, if applying shift action along the y axis by relaxation motor 68, it can be to band B along length The slack in direction is controlled.

[band presser foot device]

Based on FIG. 1 to FIG. 3, band presser foot device 50 is illustrated.The mounting table 51 of band presser foot device 50 can be to X Axis direction and Y direction are movably sewed the upper support of machine base portion 2a.Also, the upper surface of mounting table 51 is and X- The parallel horizontal plane of Y plane loads cloth C in sewing.In addition, mounting table 51 is located at the underface of needle bar, in needle downing position It is formed with the pin hole for being inserted into suture needle 11.

Also, band presser foot device 50 includes cloth X-axis motor 53, makes mounting table 51 along the x axis arbitrarily It is mobile；And cloth Y-axis motor 54, move mounting table 51 arbitrarily along the y axis.These each motor 53,54 It is pulse motor, encoder 55,56 is installed on respective output shaft.Cloth X-axis motor 53 and Y-axis motor 54 outputs based on each encoder 55,56 carry out feedback control, to carry out the positioning of band B and cloth C, and make and every needle Fall needle synchronously, identified defined needle downing position carries out falling needle in tailoring pattern.

In addition, the end of the rear side in mounting table 51, is uprightly provided with the liter that can support band presser feet 52 up or down Rack 58 drops, and mounting table 51 and band presser feet 52 can integrally be moved along X-axis and Y direction with mounting table 51.In addition, The lifting of band presser feet 52 is to be carried out by band presser feet with cylinder 57, presses holding band from the top to the bottom by decline Ring B and cloth C decontrols band B and cloth C by rising.

In the lower part of band presser feet 52, the framework with substantially rectangular shape slightly wide compared with the width of common band B 52a.In belt loop sewing machine 10, in the suture sewing of band B, since the sewing of the width direction along band B is by reality It applies one to multiple time, so the framework 52a of band presser feet 52 is set as, may include the primary sewing of the width direction along band B Size.

Band presser foot device 50 is worked by above structure as " first movement mechanism ", is somebody's turn to do " first movement mechanism " By the band B kept in mounting table 51 by band presser feet 52 and cloth C running fix to along any position of X-Y plane.

[cloth pressing mechanism]

The cloth pressing 71 of cloth pressing mechanism 70 is the framework of substantially C-shaped in plan view, is set as than mounting Platform 51 is small, bigger than the framework 52a of band presser feet 52.The cloth pressing 71 is configured to, and surrounds band on the upper surface of mounting table 51 Around the framework 52a of ring presser feet 52, but individually with mounting table 51, by supporter 72 along the y axis move and can It is supported on sewing machine base portion 2a up and down.The lifting action of cloth pressing 71 is carried out by cloth pressing with cylinder 73, is passed through Decline and press keep cloth C from the top to the bottom, cloth C is decontroled by rising.

In addition, the Y direction movement of cloth pressing 71 is to use Y-axis motor 74 to carry out as driving source the second cloth 's.The second cloth Y-axis motor 74 is pulse motor, can be to the Y-axis side of the cloth C realized by cloth pressing 71 It is arbitrarily controlled to amount of movement.

Cloth pressing mechanism 70 can be worked by above structure as " the second mobile mechanism ", should " the second moving machine Structure " can be by the cloth C running fix kept in mounting table 51 by cloth pressing 71 to along direction (the Y-axis side of band B institute direction To) any position.

[control system of belt loop sewing machine]

Control device 80 includes CPU 81, carries out various processing and control；ROM 82, write-in execute band sewing The operation control program and set information of the action control of sewing machine 10；As the RAM 83 of working region, CPU's 81 Various data are stored in processing；And EEPROM 84, record various setting data.

In addition, control device 80 has an I/O interface 85, the I/O interface 85 be used for by various control objects and encoder 55, The connection of 56 and CPU 81.That is, being connected with sewing machine electromotor 13, clamping plate cylinder via above-mentioned I/O interface 85 on CPU 81 33, clamping plate X-axis motor 35, clamping plate Y-axis motor 36, clamping plate Z axis cylinder 37, revolving actuator 41, fork With cylinder 40, relaxation component cylinder 67, relaxation motor 68, cloth pressing cylinder 73, the second cloth Y-axis motor 74, cutting cylinder 64, extraction motor 62, cloth X-axis motor 53, cloth Y-axis motor 54, band presser feet gas Cylinder 57, encoder 55 and 56.In addition, each cylinder 33,37,40,67,57,64,73 is carried out via for each cylinder into row The solenoid valve (not shown) of gas, acts it and controls.

In addition, as described above, on control device 80, be connected with via I/O interface 85: operating unit 86 has For inputting the display panel 88 of the display of the touch panel 87 and progress set information of various settings；And 89 are started switch, Its beginning for inputting sewing.

In belt loop sewing machine 10, as the suture shape of band, in addition to two ends are turned back inwardly each other Most basic shape except, there is also end is not turned back and directly extend suture shape, the one end of band is folded into Substantially Z-shaped and the suture shape etc. sewed.

In the case where carrying out the sewing of above-mentioned suture shape (being set as Z-shaped shape below), it is necessary to more by what is implemented to band Being spaced apart from each other etc. in the Y direction of a stitching is set as parameter, and the touch panel 87 for passing through operating unit 86 carries out It is inputted.

The setting content of these parameters is recorded in EEPROM 84, the reference when sewing control.In addition, in order to be formed The tailoring pattern of each stitching of selection and required control parameter are (required each in order to carry out noose sewing or flat-seam sewing The actuating quantity of needle and sequence of movement etc.), it is set in advance in ROM 82 or EEPROM 84, value quilt as defined parameter Reference.

In addition, above-mentioned various parameters setting is only an example, they can also for example predefine fixed value, should Fixed value is referenced.

In addition, can be from the touch panel 87 of operating unit 86, to the rotation to be realized by revolving actuator 41 above-mentioned Gyration and the height (height relative to band clamping plate 31) of the clava 39a of the second fork 39 that is adjusted into Row setting.That is, if inputting the clava of the second fork 39 relative to band clamping plate 31 from the setting of touch panel 87 39a can then find out the rotation angle of the height and the revolving actuator 41 for the height to be arranged, record to EEPROM 84 In.In addition, the setting height is preferably set to, by clava 39a be set to the position lower than band clamping plate 31 and not with cloth C The height of interference.

Also, CPU 81 controls revolving actuator 41, so that forked to the insertion second of the downside of band B Before the clava 39a of component 39 (0 (D) referring to Fig.1), the height of clava 39a becomes the setting being recorded in EEPROM 84 Value.

That is, the touch panel 87 of operating unit 86 works as " height adjusting unit ", it is right to be somebody's turn to do " height adjusting unit " Height when configuring insertion part is adjusted.

[band sewing control (method)]

Herein, the one end of band B is turned back twice and is sewed with Z-shaped, the other end not turned back and straight Tap into row sewing (pattern of Figure 20 (A)) for, referring to Fig. 8 flow chart and schematic diagram, that is, Fig. 9 corresponding with each step~ Figure 13 is illustrated the control of the suture sewing of the CPU 81 of the control device 80 band B executed according to the program of regulation.

In addition, being equipped with the second fork 39 on the revolving actuator 41 of belt loop sewing machine 10.

If the cloth C of sewing band B is arranged to sewing machine 10, presses and start switch 89 (step S1, Fig. 9 (A)), then CPU 81 declines cloth pressing 71 by the driving of cloth pressing cylinder 73, presses cloth C (step S3, Fig. 9 (B)).

Then, CPU 81 makes in advance to grasp band B and standby band clamping plate 31 is electronic by clamping plate X-axis The driving of machine 35 and to X-direction it is left front into, by band B to suture location supply (step S5, Fig. 9 (C)).

Then, CPU 81 passes through the driving of clamping plate Z axis cylinder 37, and band clamping plate 31 is made to decline (step S7, Fig. 9 (D))。

Then, CPU 81 passes through the driving of band presser feet cylinder 57, declines band presser feet 52, to cloth C and band B is pressed (step S9, Figure 10 (A)).

Then, CPU 81 passes through the driving of clamping plate Z axis cylinder 37, increase band clamping plate 31, hereafter, passes through clamping plate With the driving of Y-axis motor 36, making band clamping plate 31, side is mobile (step S11, Figure 10 (B)) forward.In addition, in the band clamping plate When 31 movement, CPU 81 controls clamping plate with cylinder 33, subtracts the grasping pressure of the band B realized by band clamping plate 31 Weak, the movement with band clamping plate 31 is accompanied, and slides the grasping position of band clamping plate 31 along band B.

Then, CPU 81 passes through the driving of sewing machine electromotor 13, and sewing machine 10 is made to carry out sewing movement, and execution forms edge " folding line stitching forms control " (the first sewing) of the stitching L1 (folding line stitching) of the width direction of band B, is forming crease line After mark, by the driving of cylinder 57 of band presser feet, increase band presser feet 52 and (folding line stitching formation process: step S13, scheme 10(C))。

In addition, reduce in step s 11 by band clamping plate 31 realize band B grasping pressure restore again to Common grasping pressure.

Then, CPU 81 passes through the driving of fork cylinder 40, moves to left the second fork 39 to X-direction It is dynamic, " insertion part configuration control " is executed, in " the insertion part configuration control ", by clava 39a to cloth C and band B Between gap and from stitching L1 to the position between band clamping plate 31 (using the formation end of the stitching L1 of band B as one end The other end side in the case where portion) insertion (insertion part arrangement step: step S15, Figure 10 (D)).

At this point, carrying out the angle control of revolving actuator 41 in advance for the clava 39a, CPU 81 of the second fork 39 System, to be adjusted to carry out the setting height of setting input from the touch panel 87 of operating unit 86.

In the state that the second fork 39 is inserted into, CPU 81 passes through the driving of clamping plate Y-axis motor 36, executes " recurving control ", in " recurving control ", making band clamping plate 31 and the second fork 39, side is mobile backward, until stitching L1 Until between them (process of turning back: step S17, Figure 11 (A)).In addition, simultaneously, passing through the second cloth Y-axis motor 74 driving, making cloth pressing 71 and cloth C, side is mobile forward along the y axis, falls so that the forming position of stitching L3 becomes Pin position.

Becoming following states as a result, that is, band B is pressed by the second fork 39, is turned back at stitching L1 to rear side, Also, it turns back at the second fork 39 to front side.

Then, CPU 81 passes through the driving of clamping plate Z axis cylinder 37, makes under band clamping plate 31 and the second fork 39 It drops (step S19, Figure 11 (B)).

Then, CPU 81 passes through the driving of band presser feet cylinder 57, declines band presser feet 52, to cloth C and band B is pressed (step S21, Figure 11 (C)).

Also, CPU 81 passes through the driving of fork cylinder 40, moves to right the second fork 39 to X-direction It is dynamic, it is extracted from the lower section of band B.In addition, passing through the driving of clamping plate Z axis cylinder 37, band clamping plate 31 is made to rise (step S23, Figure 11 (D)).

Then, CPU 81 passes through the driving of sewing machine electromotor 13, executes " turn back and suture control ", is executing the suture Afterwards, by the driving of cylinder 57 of band presser feet, increase band presser feet 52, in " turn back and suture control ", to be stitched Thread machine 10 sewing movement, maintain band state of turning back mode, formation the band B stitching L3 sutured to cloth C (is turned back Quilting process: step S25, Figure 12 (A)).

After forming stitching L3, CPU 81 by the driving of clamping plate Y-axis motor 36, make band clamping plate 31 to stitching L3 The rear side compared is mobile, in addition, relaxation component 66 is configured at compared with stitching L3 by the driving of relaxation component cylinder 67 For the position (step S27, Figure 12 (B)) of front side.

Also, CPU 81 passes through the driving of clamping plate Y-axis motor 36, and making band clamping plate 31, side is mobile forward, passes through pine The driving of relaxation motor 68 makes the side movement backward of component 66 that relaxes.In addition, pass through the driving of the second cloth Y-axis motor 74, Making cloth pressing 71, side is mobile backward, and the predetermined position of the 4th suture of cloth C is positioned as needle downing position and (step S29, is schemed 12(C))。

In addition, by the movement of above-mentioned band clamping plate 31 and relaxation component 66, after band B becomes from stitching L3 via being located at State of the relaxation component 66 of side across band clamping plate 31, it can be ensured that via the relaxation surplus of the part of relaxation component 66.

Then, CPU 81 passes through the driving of clamping plate Z axis cylinder 37, and band clamping plate 31 is made to decline (step S31, Figure 12 (D))。

Also, by the driving of band presser feet cylinder 57, decline band presser feet 52, to cloth C and band B carry out by It presses (step S33, Figure 13 (A)).

Also, by the driving of relaxation component cylinder 67, relaxation component 66 is extracted from the inside of band B, passes through folder The driving of plate Y-axis motor 36, making band clamping plate 31, side is mobile forward, and band B is decontroled from grasping state.In addition, at this When band clamping plate 31 is mobile, CPU 81 controls clamping plate with cylinder 33, makes grabbing for the band B realized by band clamping plate 31 Pressure decrease is held, the movement with band clamping plate 31 is accompanied, and slides the grasping position of band clamping plate 31 along band B.

Also, the band clamping plate 31 for having decontroled band B passes through the driving of clamping plate X-axis motor 35, moves back to the X-direction right side Keep away (step S35, Figure 13 (B)).

Then, CPU 81 executes the 4th suture, after executing the 4th suture, by the driving of cylinder 57 of band presser feet, Increase band presser feet 52, in the 4th suture, by the driving of sewing machine electromotor 13, the sewing for carrying out sewing machine 10 is dynamic Make, is formed stitching L4 (step S37, Figure 13 (C)).

Then, CPU 81 passes through the driving of cloth pressing cylinder 73, increase cloth pressing 71, decontrols cloth C, knot Band circumferential weld system (step S39, Figure 13 (D)).

[technical effect]

As previously discussed, in belt loop sewing machine 10, make insertion part i.e. the second fork 39 to crease line The side mark L1 is mobile, the shape that the band B between folding line stitching L1 and band clamping plate 31 turns back is formed using the second fork 39 After state, band B is sutured to cloth C in a manner of maintaining the state of turning back, it therefore, can will be as sewed by existing band The sewing that sewing machine carries out is such, is used to form the stitching L2 of the return portion of band B (referring to Figure 20 (B)) reduces one.

Therefore, the consumption that the suture in the suture sewing of band B can be reduced, in addition, the suture of band B can be shortened The time is sewed, the raising of the efficiency of sewing operations may be implemented.

Also, since the feelings in the prior art for being turned back and being pulled band B at established stitching will not occur Condition, therefore, it is possible to reduce the generation of tilting and the dislocation of the sutured portion of cloth C.

Also, pass through the reduction of stitching L2, the concentration of the stitching at the narrow of the one end of band B is delayed With the aesthetics of the back side of cloth can be made good, realize the raising of commodity value.

In addition, belt loop sewing machine 10 has revolving actuator 41, the revolving actuator 41 is as forked by second The rotation of component 39 and to the height adjusting unit that its height is adjusted, the touch panel 87 of operating unit 86 is as to configuration The height adjusting unit that height when the second fork 39 is adjusted works, thus be able to carry out for cloth C and Close clearance between band B is appropriately interposed the height adjustment appropriate of the clava 39a of the second fork 39, can Cloth C or band B is not damaged, and realizes good sewing, realizes the raising of reliability.

In addition, the second fork 39 is supported by maintainance block 32, the movement of Y direction is by carrying out band clamping plate 31 Mobile clamping plate is carried out with Y-axis motor 36.Therefore, setting the second fork 39 to can be with band clamping plate 31 together Mobile, the clamping plate mechanism 30 as " clamping plate mobile mechanism " also works as " insertion part mobile mechanism ".

Therefore, mobile mechanism can be reduced one, realizes the reduction of component number and the reduction of production hour, realizes life Produce the reduction of cost.

In addition, belt loop sewing machine 10 is also possible to such as flowering structure, that is, setting mobile mechanism, the mobile mechanism have The driving source for moving the second fork 39 along the y axis, by the second fork 39 with band clamping plate 31 independently along Y-axis Direction carries out mobile control.

[other examples of the insertion part configuration control (process) in band sewing control (method)]

In the process as shown in Figure 10 (D), the initial configuration of the second fork 39 is preferably as close to line Mark L1.If in the case where the second fork 39 is separate relative to stitching L1 (in the case where being located further forward side), next In a process (1 (A) referring to Fig.1), when making the side movement backward of the second fork 39 and band clamping plate 31, the second forked portion Part 39 reaches band B, cannot be properly formed the return portion of the band B realized by the second fork 39.

But as shown in Figure 10 (D), being configured closer to stitching L1, then the gap between cloth C and band B becomes narrower, It is difficult to not be inserted into the second fork 39 with not interfering with cloth C and band B.

Therefore, referring to Figure 14~Figure 15 as schematic diagram, control (side is sewed to the band for being able to solve the above problem Method) in insertion part configuration control (process) other examples be illustrated.It is held in addition, being labeled with expression in each schematic diagram The step of row sequence.

In addition, in this case, being also set as being equipped with the second fork on the revolving actuator 41 of belt loop sewing machine 10 The structure of shape component 39.

If the cloth C for sewing band B is arranged to sewing machine 10, presses and start switch 89 (step S51, Figure 14 (A)), then CPU 81 declines cloth pressing 71 by the driving of cloth pressing cylinder 73, and pressing cloth C is (step S53, Figure 14 (B)).

Then, CPU 81 make in advance band clamping plate 31 to band B grasped and it is standby in the state of, by band B To before suture location supply, by the fork driving of cylinder 40, move to left the second fork 39 to X-direction It is dynamic, clava 39a is configured at the position (step S55) as the downside of band B.

Clava 39a supply band B simultaneously, according to stitching L1 and by one end to cloth C suture in the case where, configuration In the position that will become the gap between cloth C and band B.

That is, insertion part configuration control (process) is executed, in this process, to become the stitching L1 (crease line of band B Mark) the mode formed between clip position clamped by predetermined position and band clamping plate 31, to cloth C and band will be become Between gap position configure insertion part i.e. the second fork 39.

Then, CPU 81 make band clamping plate 31 by the driving of clamping plate X-axis motor 35 to X-direction it is left front into, Band B is supplied into (Figure 14 (C)) to suture location.

Then, CPU 81 passes through the driving of clamping plate Z axis cylinder 37, makes under band clamping plate 31 and the second fork 39 It drops (step S57, Figure 14 (D)).

Then, CPU 81 passes through the driving of band presser feet cylinder 57, declines band presser feet 52, to cloth C and band B is pressed (step S59, Figure 15 (A)).

Then, CPU 81 passes through the driving of clamping plate Z axis cylinder 37, increase band clamping plate 31, hereafter, passes through clamping plate With the driving of Y-axis motor 36, making band clamping plate 31, side is mobile (step S61, Figure 15 (B)) forward.In addition, in the band clamping plate When 31 movement, CPU 81 controls clamping plate with cylinder 33, subtracts the grasping pressure of the band B realized by band clamping plate 31 Weak, the movement with band clamping plate 31 is accompanied, and slides the grasping position of band clamping plate 31 along band B.

Then, CPU 81 passes through the driving of sewing machine electromotor 13, and sewing machine 10 is made to carry out sewing movement, is formed along band The stitching L1 (folding line stitching) of the width direction of B, by the driving of cylinder 57 of band presser feet, makes after forming folding line stitching Band presser feet 52 rises (folding line stitching formation process: step S63, Figure 15 (C)).

In addition, the grasping pressure of the band B realized by band clamping plate 31 weakened in step S61 is restored again to logical Normal grasping pressure.

After this, process identical with aforementioned step S17~S39 is executed.

As described above, in the insertion part configuration control carried out by control device 80, due in order to form folding line Stitching L1 and by band B to cloth C supply before, the second fork 39 is configured to the lower section of band B, thus do not need to Close clearance between cloth C and band B is accurately inserted into the clava 39a of the second fork 39.It therefore, can be by second The clava 39a of fork 39 is configured at closer to the position of stitching L1, can be reduced right using the second fork 39 Clava 39a reaches the generation of the situation of band B when band B is turned back, and carries out the suture sewing of more good band B.

In addition, herein, instantiate before supplying band B to the top of the sewing position of cloth C, it is forked by second Component 39 is configured at the movement for being likely to the position of the downside as band B, but the action of configuration of the second fork 39 is only (Figure 14 (D)) is carried out until the band B that the top of the sewing position to cloth C supplies is initially towards cloth C decline i.e. It can.That is, as long as the second fork 39 is configured at above-mentioned specified position, until the gap turn narrow between cloth C and band B is It only, then can be to the clava 39a for configuring the second fork 39 closer to the position of stitching L1.

[second method of band sewing control (method)]

In the following, 6 flow chart and schematic diagram, that is, Figure 17~Figure 19 corresponding with each step referring to Fig.1, to of the invention The second method of band sewing control (band method of sewing) is illustrated.

In the second method, to by being turned back twice the seam sutured with Z-shaped in the other end of band B System control is illustrated.

In addition, the suture of the one end side about band B, due to identical as the content until aforementioned step S1~S27, So the description thereof will be omitted.

In step s 27, if band clamping plate 31 is mobile to the rear side compared with stitching L3, relaxation component 66 be configured at The front side that stitching L3 is compared, then CPU 81 passes through the driving of clamping plate Y axis motor 36, and making band clamping plate 31, side is mobile forward, By the driving of relaxation motor 68, make the side movement backward of component 66 that relaxes.In addition, passing through the second cloth Y-axis motor 74 Driving, making cloth pressing 71, side is mobile backward, and the predetermined position of the 4th suture at cloth C is positioned as needle downing position.Separately Outside, at the same time, by the fork driving of cylinder 40, move left the second fork 39 to X-direction, it will be rodlike Body 39a is to the gap between cloth C and band B and becomes from stitching L1 to the position insertion (step between band clamping plate 31 S71, Figure 17 (A)).

Then, CPU 81 passes through the driving of clamping plate Z axis cylinder 37, and band clamping plate 31 is made to decline (step S73, Figure 17 (B))。

Also, by the driving of band presser feet cylinder 57, decline band presser feet 52, to cloth C and band B carry out by It presses (step S75, Figure 17 (C)).

Then, CPU 81 passes through the driving of clamping plate Z axis cylinder 37, and band clamping plate 31 is made to rise (step S77, Figure 17 (D)).At this point, CPU 81 controls clamping plate with cylinder 33, make the grasping pressure of the band B realized by band clamping plate 31 Weaken, the rising with band clamping plate 31 is accompanied, and the other end Slideslip of the grasping position to band B of band clamping plate 31 is made.

Then, CPU 81 executes the 4th suture, after executing the 4th suture, by the driving of cylinder 57 of band presser feet, Increase band presser feet 52, in the 4th suture, by the driving of sewing machine electromotor 13, the sewing for carrying out sewing machine 10 is dynamic Make, is formed stitching L4 (step S79, Figure 18 (A)).

Then, CPU 81 passes through the driving of clamping plate Y-axis motor 36, and making band clamping plate 31, side is mobile forward, by band B It is decontroled from grasping state.

In addition, the movement of the clava 39a of the second fork 39 and band clamping plate 31 is accompanied, after compared with stitching L4 Side is mobile forward for the position of side, and band B is turned back at stitching L4, is formed by clava 39a and is further turned back to opposite side State (step S81, Figure 18 (B)).

In addition, at this point, making cloth pressing 71 and cloth C along Y-axis side by the driving of the second cloth Y-axis motor 74 It is mobile to side backward, so that the forming position of stitching L5 becomes needle downing position.

Then, CPU 81 passes through the driving of clamping plate Z axis cylinder 37, makes under band clamping plate 31 and the second fork 39 It drops (step S83, Figure 18 (C)).

Then, CPU 81 passes through the driving of band presser feet cylinder 57, declines band presser feet 52, to cloth C and band B is pressed (step S85, Figure 18 (D)).

Also, CPU 81 passes through the driving of fork cylinder 40, moves to right the second fork 39 to X-direction It is dynamic, it is extracted from the lower section of band B.Then, by the clamping plate driving of X-axis motor 35, keep band clamping plate 31 and second forked Component 39 keeps out of the way (step S87, Figure 19 (A)) to the right.

Then, CPU 81 executes the 5th suture, after executing the 5th suture, by the driving of cylinder 57 of band presser feet, Increase band presser feet 52, in the 5th suture, by the driving of sewing machine electromotor 13, the sewing for carrying out sewing machine 10 is dynamic Make, is formed stitching L5 (step S89, Figure 19 (B)).

Then, CPU 81 passes through the driving of cloth pressing cylinder 73, increase cloth pressing 71, decontrols cloth C, knot Band circumferential weld system (step S91, Figure 19 (C)).

As set forth above, it is possible to also be carried out in the other end side of band B by turning back twice by the second fork 39 The sewing of the Z-shaped of realization, no setting is required new component or its driving mechanism and colourful suture sewing may be implemented.

In addition, passing through first in the case where the other end of band B sew by the suture for realization of once turning back Fork 38 carries out suture sewing as shown in FIG. 6.

Claims

1. a kind of belt loop sewing machine, includes

Suture needle reciprocating mechanism, moves up and down suture needle；

Band clamping plate can carry out the band of length direction towards the state of prescribed direction to clamp and can decontrol；

Band presser feet is pushed down the band by lowering action；

Mounting table, mounting carry out the cloth of the suture of the band；

Cloth pressing keeps the cloth；

First movement mechanism makes the band presser feet and mounting table relative to the suture needle to the mounting surface along the mounting table Any position it is mobile；

Clamping plate mobile mechanism moves the band clamping plate to any position of the mounting surface along the mounting table；And

The belt loop sewing machine is characterized in that, comprising:

Insertion part configures in the gap between the cloth and the band being placed in the mounting table；And

The control device carries out following controls, it may be assumed that

Folding line stitching forms control, and in this control, the one end of the band clamped by the band clamping plate is formed along the band The folding line stitching of the width direction of ring；

Insertion part configuration control, in this control, to become the forming position or formation of the folding line stitching of the band Mode between clip position clamped by predetermined position and the band clamping plate, between Xiang Suoshu cloth and the band between Gap configures the insertion part；

Recurving control makes the insertion part together with the band clamping plate to the folding line stitch side in this control, until The insertion part by the folding line stitching until moved, formed using the insertion part by the folding line stitching The state that the band between the band clamping plate is turned back；And

It turns back and sutures control, in this control, formed by the stitching of the circumferential cloth suture of the band, described in maintaining to utilize The state of turning back for the band that insertion part is turned back.

2. belt loop sewing machine according to claim 1, which is characterized in that

The control device configures in control in the insertion part,

Before the circumferential cloth supply, the insertion part is configured at for the band in order to form the folding line stitching The position of lower section as the band.

3. belt loop sewing machine according to claim 1, which is characterized in that

4. belt loop sewing machine according to claim 2, which is characterized in that

5. belt loop sewing machine according to claim 3, which is characterized in that

With height setup unit, which carries out setting input to height when configuring the insertion part,

The control device controls the height adjusting unit, to become the height set by the height setup unit Degree.

6. belt loop sewing machine according to claim 4, which is characterized in that

7. belt loop sewing machine according to any one of claim 1 to 6, which is characterized in that

The insertion part is configured to move together with the band clamping plate,

8. belt loop sewing machine according to any one of claim 1 to 6, which is characterized in that

With plug actuator, which makes the insertion part to relative to being positioned in the mounting table The direction that gap between the cloth and the band is plugged is mobile.

9. belt loop sewing machine according to claim 7, which is characterized in that

10. a kind of band sutures method of sewing, will be sutured in the method with circumferential cloth using belt loop sewing machine,

The belt loop sewing machine includes suture needle reciprocating mechanism, moves up and down suture needle；Band clamping plate, can be right The band of length direction towards the state of prescribed direction clamp and can decontrol；Band presser feet, it is dynamic by decline Work pushes down the band；Mounting table, mounting carry out the cloth of the suture of the band；Cloth pressing, to the cloth It is kept；First movement mechanism makes the band presser feet and mounting table relative to the suture needle to along the mounting table Any position of mounting surface is mobile；Second mobile mechanism makes the cloth along the length of the band via the cloth pressing It is mobile to spend direction；Clamping plate mobile mechanism moves the band clamping plate to any position of the mounting surface along the mounting table； And control device, action control relevant to the suture of band sewing is carried out,

Folding line stitching formation process, in this process, the one end of the band clamped by the band clamping plate is formed along the band The folding line stitching of the width direction of ring；

Insertion part arrangement step, in this process, using possessed by the belt loop sewing machine, configuration being placed in It states the insertion part in the gap between the cloth and the band in mounting table and makes the insertion part described The insertion part mobile mechanism moved on the length direction of band, to become the forming position of the folding line stitching of the band Or form mode between clip position clamped by predetermined position and the band clamping plate, Xiang Suoshu cloth and the band it Between gap configure the insertion part；

Process of turning back makes the insertion part together with the band clamping plate to the folding line stitch side in this process, until The insertion part by the folding line stitching until moved, formed using the insertion part by the folding line stitching The state that the band between the band clamping plate is turned back；And

Quilting process of turning back is formed by the stitching of the circumferential cloth suture of the band, described in maintaining to utilize in this process The state of turning back for the band that insertion part is turned back.